.752982] aoe: skb alloc failure
[  317.752999] aoe: skb alloc failure
[  317.753015] aoe: skb alloc failure
[  317.753090] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  321.720958] warn_alloc: 142663 callbacks suppressed
[  321.720978] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  321.725848] fscache_cookie_jar          1KB          3KB
[  321.726474] syz-executor4 cpuset=
[  321.731602] eventpoll_pwq              2KB          7KB
[  321.735102] syz4
[  321.739464] eventpoll_epi              5KB         15KB
[  321.743566]  mems_allowed=0
[  321.743585] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  321.747674] inotify_inode_mark          5KB         11KB
[  321.752150] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  321.752157] Call Trace:
[  321.752180]  dump_stack+0x1c4/0x2b4
[  321.752201]  ? dump_stack_print_info.cold.2+0x52/0x52
[  321.757302] request_queue            163KB        163KB
[  321.761376]  warn_alloc.cold.119+0xb7/0x1bd
[  321.761400]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  321.766675] blkdev_requests            1KB          3KB
[  321.771091]  ? lock_downgrade+0x900/0x900
[  321.771117]  ? trace_hardirqs_off+0xb8/0x310
[  321.771139]  ? trace_hardirqs_off+0xb8/0x310
[  321.776320] blkdev_ioc                 3KB         19KB
[  321.780142]  __alloc_pages_slowpath+0x2667/0x2d80
[  321.780191]  ? warn_alloc+0x120/0x120
[  321.784317] bio-0                     56KB         63KB
[  321.788986]  ? attach_entity_load_avg+0x860/0x860
[  321.789003]  ? warn_alloc+0x120/0x120
[  321.789022]  ? print_usage_bug+0xc0/0xc0
[  321.792986] biovec-max              1344KB       1344KB
[  321.797317]  ? warn_alloc+0x120/0x120
[  321.801324] biovec-64                  3KB          7KB
[  321.805906]  ? print_usage_bug+0xc0/0xc0
[  321.810251] biovec-16                  2KB          7KB
[  321.813880]  ? rb_erase+0x3710/0x3710
[  321.818213] bio_integrity_payload          1KB          8KB
[  321.822852]  ? find_held_lock+0x36/0x1c0
[  321.826988] khugepaged_mm_slot          0KB          3KB
[  321.830631]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  321.830649]  ? should_fail+0x22d/0xd01
[  321.830667]  ? graph_lock+0x170/0x170
[  321.834725] dmaengine-unmap-256          2KB          6KB
[  321.838432]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  321.838450]  ? __lock_acquire+0x7ec/0x4ec0
[  321.838471]  ? should_fail+0x22d/0xd01
[  321.842864] dmaengine-unmap-128          1KB          3KB
[  321.847446]  ? mark_held_locks+0x130/0x130
[  321.851598] dmaengine-unmap-16          0KB          4KB
[  321.855027]  ? mark_held_locks+0x130/0x130
[  321.859450] dmaengine-unmap-2          0KB          3KB
[  321.862871]  ? __lock_acquire+0x7ec/0x4ec0
[  321.867270] skbuff_fclone_cache         18KB         22KB
[  321.872816]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  321.872833]  ? graph_lock+0x170/0x170
[  321.872851]  ? graph_lock+0x170/0x170
[  321.877252] skbuff_head_cache     861510KB     861510KB
[  321.882090]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  321.882108]  ? check_preemption_disabled+0x48/0x200
[  321.882128]  ? check_preemption_disabled+0x48/0x200
[  321.886177] configfs_dir_cache          0KB          4KB
[  321.889982]  ? __lock_is_held+0xb5/0x140
[  321.890009]  __alloc_pages_nodemask+0xa80/0xde0
[  321.894058] file_lock_cache            0KB          3KB
[  321.898109]  ? graph_lock+0x170/0x170
[  321.898129]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  321.898147]  ? graph_lock+0x170/0x170
[  321.901936] file_lock_ctx              0KB          3KB
[  321.905736]  ? find_held_lock+0x36/0x1c0
[  321.909977] fsnotify_mark_connector          3KB          7KB
[  321.914110]  ? ____cache_alloc_node+0x1c7/0x1e0
[  321.919133] net_namespace             51KB         51KB
[  321.924901]  ? lock_downgrade+0x900/0x900
[  321.929064] shmem_inode_cache       3548KB       3600KB
[  321.934330]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  321.937843] task_delay_info           29KB        134KB
[  321.943297]  cache_grow_begin+0x91/0x8c0
[  321.943324]  ? do_raw_spin_unlock+0xa7/0x2f0
[  321.943349]  fallback_alloc+0x203/0x2e0
[  321.948904] taskstats                  0KB          3KB
[  321.953892]  ____cache_alloc_node+0x1c7/0x1e0
[  321.957975] proc_dir_entry           578KB        585KB
[  321.962528]  kmem_cache_alloc+0x1f8/0x730
[  321.966053] pde_opener                 0KB          3KB
[  321.970117]  skb_clone+0x1bb/0x500
[  321.970134]  ? finish_task_switch+0x1b5/0x900
[  321.970153]  ? skb_split+0x11e0/0x11e0
[  321.974299] sigqueue                   4KB          7KB
[  321.978707]  ? preempt_notifier_register+0x200/0x200
[  321.978726]  ? __switch_to_asm+0x34/0x70
[  321.978746]  ? __switch_to_asm+0x34/0x70
[  321.989256] kernfs_node_cache      10842KB      10847KB
[  321.993620]  ? __switch_to_asm+0x40/0x70
[  321.993651]  ? __switch_to_asm+0x34/0x70
[  321.997100] mnt_cache                 77KB         92KB
[  322.002458]  ? __switch_to_asm+0x40/0x70
[  322.002473]  ? __switch_to_asm+0x34/0x70
[  322.002488]  ? __switch_to_asm+0x40/0x70
[  322.002506]  ? __switch_to_asm+0x34/0x70
[  322.004485] filp                     245KB        540KB
[  322.008899]  ? __switch_to_asm+0x34/0x70
[  322.008913]  ? __switch_to_asm+0x40/0x70
[  322.008928]  ? __switch_to_asm+0x34/0x70
[  322.008951]  bpf_clone_redirect+0xb9/0x490
[  322.011868] names_cache              187KB        187KB
[  322.015670]  ? __schedule+0x874/0x1ed0
[  322.019834] iint_cache                74KB         79KB
[  322.023513]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  322.028539] key_jar                    3KB          7KB
[  322.033443]  ? __sched_text_start+0x8/0x8
[  322.038404] uts_namespace              2KB          7KB
[  322.043201]  ? lockdep_hardirqs_on+0x421/0x5c0
[  322.048231] nsproxy                    1KB          3KB
[  322.052696]  ? retint_kernel+0x2d/0x2d
[  322.057698] vm_area_struct           320KB        649KB
[  322.061230]  ? trace_hardirqs_on_caller+0xc0/0x310
[  322.061253]  ? find_held_lock+0x36/0x1c0
[  322.061286]  ? lock_acquire+0x1ed/0x520
[  322.066115] mm_struct                 47KB        136KB
[  322.069646]  ? bpf_test_run+0x3cb/0x780
[  322.069666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  322.069689]  ? check_preemption_disabled+0x48/0x200
[  322.073142] fs_cache                   7KB         48KB
[  322.076804]  ? kasan_check_read+0x11/0x20
[  322.080196] files_cache               28KB         78KB
[  322.085535]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  322.092821] signal_cache             219KB        488KB
[  322.100054]  ? rcu_bh_qs+0xc0/0xc0
[  322.100073]  ? preempt_schedule+0x4d/0x60
[  322.100095]  ? ___preempt_schedule+0x16/0x18
[  322.107355] sighand_cache            353KB        388KB
[  322.114629]  ? bpf_test_run+0x25d/0x780
[  322.114660]  ? netlink_diag_dump+0x2a0/0x2a0
[  322.121950] task_struct             1008KB       1008KB
[  322.129196]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  322.129212]  ? bpf_test_init.isra.9+0x70/0x100
[  322.129234]  ? bpf_prog_test_run_skb+0x634/0xb40
[  322.138603] cred_jar                  46KB        316KB
[  322.141168]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.144776] anon_vma_chain            91KB        283KB
[  322.148318]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  322.148338]  ? fput+0x130/0x1a0
[  322.148357]  ? __bpf_prog_get+0x9b/0x290
[  322.153535] anon_vma                 121KB        365KB
[  322.163754]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  322.163769]  ? bpf_prog_test_run+0x130/0x1a0
[  322.163789]  ? __x64_sys_bpf+0x3d8/0x510
[  322.168129] pid                       19KB        124KB
[  322.171311]  ? bpf_prog_get+0x20/0x20
[  322.176137] Acpi-Operand             106KB        158KB
[  322.179173]  ? do_syscall_64+0x1b9/0x820
[  322.179199]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  322.183841] Acpi-Namespace            19KB         23KB
[  322.188246]  ? syscall_return_slowpath+0x5e0/0x5e0
[  322.188267]  ? trace_hardirqs_on_caller+0x310/0x310
[  322.188298]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  322.192693] numa_policy                0KB          3KB
[  322.197531]  ? recalc_sigpending_tsk+0x180/0x180
[  322.197553]  ? kasan_check_write+0x14/0x20
[  322.201391] debug_objects_cache        746KB        768KB
[  322.206206]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  322.210017] trace_event_file         258KB        258KB
[  322.214057]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  322.217841] ftrace_event_field        373KB        374KB
[  322.221907] warn_alloc_show_mem: 8 callbacks suppressed
[  322.221912] Mem-Info:
[  322.221949] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  322.221949]  active_file:8 inactive_file:19 isolated_file:0
[  322.221949]  unevictable:0 dirty:0 writeback:0 unstable:0
[  322.221949]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  322.221949]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  322.221949]  free:13709 free_pcp:245 free_cma:0
[  322.225721] pool_workqueue            69KB         72KB
[  322.231325] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  322.231335] Node 0 
[  322.235230] task_group                 5KB          7KB
[  322.239052] 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
[  322.239062] lowmem_reserve[]:
[  322.244184] page->ptl                 66KB        375KB
[  322.248398]  0 2819 6323 6323
[  322.248422] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  322.248467] lowmem_reserve[]:
[  322.252371] kmalloc-2097152         2050KB       2050KB
[  322.256562]  0 0
[  322.260867] kmalloc-524288          2056KB       2056KB
[  322.265057]  3503 3503
[  322.270908] kmalloc-262144          1290KB       1290KB
[  322.274693] Node 0 
[  322.278532] kmalloc-131072           650KB        650KB
[  322.284056] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:732kB local_pcp:580kB free_cma:0kB
[  322.284065] lowmem_reserve[]:
[  322.289110] kmalloc-65536            330KB        330KB
[  322.294080]  0 0
[  322.298168] kmalloc-32768            693KB        693KB
[  322.302798]  0 0
[  322.306621] kmalloc-16384            396KB        396KB
[  322.311616] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB 
[  322.315456] kmalloc-8192            1699KB       1699KB
[  322.319494] (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 
[  322.324206] kmalloc-4096            5775KB       5775KB
[  322.328334] 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB
[  322.328375] Node 0 
[  322.333906] kmalloc-2048            6332KB       7732KB
[  322.337955] DMA32: 4*4kB (UM) 2*8kB (UM) 2*16kB (M) 3*32kB 
[  322.342414] kmalloc-1024         3048310KB    3048310KB
[  322.346372] (UM) 5*64kB 
[  322.350897] kmalloc-512          1694456KB    1694456KB
[  322.355005] (UM) 4*128kB 
[  322.358579] kmalloc-256             1794KB       2310KB
[  322.363053] (UM) 4*256kB 
[  322.366989] kmalloc-128              426KB        830KB
[  322.372067] (UM) 3*512kB (M) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) 
[  322.376182] kmalloc-96               432KB       1484KB
[  322.380224] = 25056kB
[  322.380229] Node 0 Normal: 798*4kB (ME) 471*8kB (UME) 208*16kB 
[  322.384340] kmalloc-64               665KB       1072KB
[  322.388390] (UME) 76*32kB (UME) 4*64kB (M) 1*128kB (U) 1*256kB 
[  322.392500] kmalloc-32               874KB       1586KB
[  322.396553] (U) 1*512kB 
[  322.400641] kmalloc-192              653KB        840KB
[  322.404657] (U) 0*1024kB 
[  322.408765] kmem_cache               244KB        247KB
[  322.412761] 0*2048kB 0*4096kB 
[  322.416831] Out of memory: Kill process 5358 (syz-fuzzer) score 27 or sacrifice child
[  322.421042] = 13872kB
[  322.421056] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  322.421067] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  322.421073] 1299 total pagecache pages
[  322.421089] 0 pages in swap cache
[  322.425048] Killed process 5380 (syz-executor1) total-vm:70212kB, anon-rss:68kB, file-rss:0kB, shmem-rss:0kB
[  322.429968] Swap cache stats: add 0, delete 0, find 0/0
[  322.429974] Free swap  = 0kB
[  322.429979] Total swap = 0kB
[  322.429986] 1965979 pages RAM
[  322.429991] 0 pages HighMem/MovableOnly
[  322.429995] 342306 pages reserved
[  322.430007] 0 pages cma reserved
[  322.434435] oom_reaper: reaped process 5380 (syz-executor1), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB
[  322.439154] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.447997] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  322.450979] syz-executor4 cpuset=
[  322.456501] syz-executor1 cpuset=/ mems_allowed=0
[  330.240688] syz4 mems_allowed=0
[  330.245536] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  330.256066] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  330.265414] Call Trace:
[  330.267999]  <IRQ>
[  330.270161]  dump_stack+0x1c4/0x2b4
[  330.273795]  ? dump_stack_print_info.cold.2+0x52/0x52
[  330.279004]  warn_alloc.cold.119+0xb7/0x1bd
[  330.283328]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  330.288176]  ? lock_downgrade+0x900/0x900
[  330.292346]  ? trace_hardirqs_off+0xb8/0x310
[  330.296757]  ? trace_hardirqs_off+0xb8/0x310
[  330.301178]  __alloc_pages_slowpath+0x2667/0x2d80
[  330.306073]  ? warn_alloc+0x120/0x120
[  330.309896]  ? warn_alloc+0x120/0x120
[  330.313710]  ? print_usage_bug+0xc0/0xc0
[  330.317782]  ? warn_alloc+0x120/0x120
[  330.321597]  ? print_usage_bug+0xc0/0xc0
[  330.325685]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.331224]  ? should_fail+0x22d/0xd01
[  330.335120]  ? lock_downgrade+0x900/0x900
[  330.339301]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.344410]  ? __lock_acquire+0x7ec/0x4ec0
[  330.348650]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  330.353753]  ? __lock_acquire+0x7ec/0x4ec0
[  330.357991]  ? should_fail+0x22d/0xd01
[  330.361892]  ? mark_held_locks+0x130/0x130
[  330.366140]  ? mark_held_locks+0x130/0x130
[  330.370380]  ? select_task_rq_fair+0x754/0x3500
[  330.375055]  ? lock_downgrade+0x900/0x900
[  330.379205]  ? check_preemption_disabled+0x48/0x200
[  330.384233]  ? graph_lock+0x170/0x170
[  330.388043]  ? print_usage_bug+0xc0/0xc0
[  330.392121]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.397663]  ? check_preemption_disabled+0x48/0x200
[  330.402681]  ? check_preemption_disabled+0x48/0x200
[  330.407714]  ? __lock_is_held+0xb5/0x140
[  330.411823]  __alloc_pages_nodemask+0xa80/0xde0
[  330.416499]  ? graph_lock+0x170/0x170
[  330.420334]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  330.425367]  ? graph_lock+0x170/0x170
[  330.429185]  ? find_held_lock+0x36/0x1c0
[  330.433262]  ? ____cache_alloc_node+0x1c7/0x1e0
[  330.437944]  ? lock_downgrade+0x900/0x900
[  330.442114]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.447665]  cache_grow_begin+0x91/0x8c0
[  330.451733]  ? do_raw_spin_unlock+0xa7/0x2f0
[  330.456152]  fallback_alloc+0x203/0x2e0
[  330.460148]  ____cache_alloc_node+0x1c7/0x1e0
[  330.464653]  kmem_cache_alloc_node+0xe3/0x730
[  330.469239]  ? ipv6_get_ifaddr+0x42e/0x620
[  330.473489]  __alloc_skb+0x119/0x770
[  330.477211]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  330.482493]  ? skb_scrub_packet+0x490/0x490
[  330.486821]  ? lock_downgrade+0x900/0x900
[  330.490979]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.496518]  ? refcount_sub_and_test_checked+0x203/0x310
[  330.501988]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  330.507456]  ? addrconf_rs_timer+0x690/0x690
[  330.511889]  ndisc_alloc_skb+0x144/0x340
[  330.515957]  ndisc_send_rs+0x331/0x6e0
[  330.519850]  addrconf_rs_timer+0x314/0x690
[  330.524093]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.528359]  call_timer_fn+0x272/0x920
[  330.532277]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.536551]  ? process_timeout+0x40/0x40
[  330.540620]  ? find_held_lock+0x36/0x1c0
[  330.544709]  ? mark_held_locks+0xc7/0x130
[  330.548865]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.553361]  ? _raw_spin_unlock_irq+0x27/0x80
[  330.557858]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.562106]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  330.566706]  ? trace_hardirqs_on+0xbd/0x310
[  330.571028]  ? kasan_check_read+0x11/0x20
[  330.575181]  ? __run_timers+0x7da/0xc70
[  330.579172]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  330.584639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  330.588884]  __run_timers+0x7e5/0xc70
[  330.592704]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  330.598073]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.603092]  ? graph_lock+0x170/0x170
[  330.606900]  ? print_usage_bug+0xc0/0xc0
[  330.610963]  ? lock_release+0x970/0x970
[  330.614941]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  330.620145]  ? find_held_lock+0x36/0x1c0
[  330.624214]  ? graph_lock+0x170/0x170
[  330.628016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.633554]  ? check_preemption_disabled+0x48/0x200
[  330.638591]  ? __lock_is_held+0xb5/0x140
[  330.642677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.648218]  ? check_preemption_disabled+0x48/0x200
[  330.653244]  run_timer_softirq+0x52/0xb0
[  330.657314]  ? rcu_read_lock_sched_held+0x108/0x120
[  330.662331]  __do_softirq+0x30b/0xad8
[  330.666140]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  330.671253]  ? pvclock_read_flags+0x160/0x160
[  330.675764]  ? lapic_next_event+0x5a/0x90
[  330.679933]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.685486]  ? check_preemption_disabled+0x48/0x200
[  330.690505]  ? check_preemption_disabled+0x48/0x200
[  330.695533]  ? kvm_clock_read+0x18/0x30
[  330.699514]  ? kvm_sched_clock_read+0x9/0x20
[  330.703926]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.709465]  ? check_preemption_disabled+0x48/0x200
[  330.714510]  irq_exit+0x17f/0x1c0
[  330.717968]  smp_apic_timer_interrupt+0x1cb/0x760
[  330.722841]  ? smp_call_function_single_interrupt+0x650/0x650
[  330.728737]  ? interrupt_entry+0xb5/0xf0
[  330.732800]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.737827]  ? trace_hardirqs_off_caller+0xbb/0x310
[  330.742848]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.747692]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.752722]  ? trace_hardirqs_on_caller+0x310/0x310
[  330.757740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.763293]  ? check_preemption_disabled+0x48/0x200
[  330.768319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.773865]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  330.778762]  apic_timer_interrupt+0xf/0x20
[  330.782989]  </IRQ>
[  330.785229] RIP: 0010:lock_acquire+0x268/0x520
[  330.789810] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  330.808725] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  330.816447] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  330.823727] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  330.830990] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  330.838257] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  330.845532] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  330.852843]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  330.858388]  ? lock_release+0x970/0x970
[  330.862373]  ? activate_page+0x1040/0x1040
[  330.866639]  ? __unlock_page_memcg+0x53/0x100
[  330.871167]  ? check_preemption_disabled+0x48/0x200
[  330.876220]  lock_page_memcg+0x95/0x350
[  330.880206]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  330.885408]  ? rcu_bh_qs+0xc0/0xc0
[  330.888951]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  330.894154]  page_remove_rmap+0x855/0x1a30
[  330.898410]  ? page_add_file_rmap+0x1470/0x1470
[  330.903081]  ? __lock_is_held+0xb5/0x140
[  330.907170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  330.912710]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  330.918267]  ? lru_add_drain_cpu+0x1c0/0x500
[  330.922711]  ? free_pages_and_swap_cache+0x475/0x6f0
[  330.927844]  ? free_page_and_swap_cache+0x950/0x950
[  330.932878]  ? kasan_check_read+0x11/0x20
[  330.937027]  ? page_mapcount+0x3b5/0x5d0
[  330.941092]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  330.945941]  ? lock_downgrade+0x900/0x900
[  330.950096]  ? lock_release+0x970/0x970
[  330.954082]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  330.959103]  ? _vm_normal_page+0x161/0x3c0
[  330.963350]  ? __pte_alloc_kernel+0x220/0x220
[  330.967848]  ? kasan_check_write+0x14/0x20
[  330.972096]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  330.977114]  ? __tlb_remove_page_size+0x187/0x500
[  330.981967]  unmap_page_range+0xf14/0x2030
[  330.986233]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  330.990732]  ? search_extable+0x80/0xb0
[  330.994726]  ? trim_init_extable+0x3a0/0x3a0
[  330.999139]  ? __get_user_8+0x21/0x2b
[  331.002943]  ? print_usage_bug+0xc0/0xc0
[  331.007013]  ? __lock_acquire+0x7ec/0x4ec0
[  331.011252]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  331.016800]  ? no_context+0xd9/0x980
[  331.020540]  ? lock_downgrade+0x900/0x900
[  331.024716]  ? graph_lock+0x170/0x170
[  331.028527]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.034065]  ? tlb_flush_mmu_free+0x135/0x1b0
[  331.038572]  ? find_held_lock+0x36/0x1c0
[  331.042642]  ? exit_mmap+0x4bb/0x590
[  331.046358]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.051898]  ? uprobe_munmap+0x14c/0x450
[  331.055976]  ? uprobe_mmap+0xd50/0xd50
[  331.059862]  ? lock_release+0x970/0x970
[  331.063842]  ? arch_local_save_flags+0x40/0x40
[  331.068434]  ? rwsem_down_write_failed+0xe/0x10
[  331.073104]  ? rwsem_down_write_failed+0xe/0x10
[  331.077781]  ? call_rwsem_down_write_failed+0x17/0x30
[  331.082984]  unmap_single_vma+0x19b/0x310
[  331.087145]  unmap_vmas+0x125/0x200
[  331.090795]  exit_mmap+0x2be/0x590
[  331.094346]  ? __ia32_sys_munmap+0x80/0x80
[  331.098603]  ? __might_sleep+0x95/0x190
[  331.102584]  mmput+0x247/0x610
[  331.105780]  ? lock_downgrade+0x900/0x900
[  331.109944]  ? set_mm_exe_file+0x200/0x200
[  331.114190]  ? kasan_check_read+0x11/0x20
[  331.118361]  ? do_raw_spin_unlock+0xa7/0x2f0
[  331.122773]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  331.127362]  ? kasan_check_write+0x14/0x20
[  331.131598]  ? do_raw_spin_lock+0xc1/0x200
[  331.135848]  do_exit+0xe6f/0x2610
[  331.139314]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  331.144345]  ? mm_update_next_owner+0x990/0x990
[  331.149019]  ? print_usage_bug+0xc0/0xc0
[  331.153079]  ? graph_lock+0x170/0x170
[  331.156888]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.162434]  ? check_preemption_disabled+0x48/0x200
[  331.167458]  ? check_preemption_disabled+0x48/0x200
[  331.172479]  ? print_usage_bug+0xc0/0xc0
[  331.176548]  ? __lock_acquire+0x7ec/0x4ec0
[  331.180792]  ? __lock_acquire+0x7ec/0x4ec0
[  331.185064]  ? mark_held_locks+0x130/0x130
[  331.189324]  ? mark_held_locks+0x130/0x130
[  331.193567]  ? kasan_check_write+0x14/0x20
[  331.197830]  ? finish_task_switch+0x2f5/0x900
[  331.202357]  ? __switch_to_asm+0x40/0x70
[  331.206474]  ? __switch_to_asm+0x34/0x70
[  331.210537]  ? __switch_to_asm+0x34/0x70
[  331.214602]  ? __switch_to_asm+0x40/0x70
[  331.218770]  ? __switch_to_asm+0x34/0x70
[  331.222842]  ? __switch_to_asm+0x40/0x70
[  331.226924]  ? __switch_to_asm+0x34/0x70
[  331.230988]  ? __switch_to_asm+0x34/0x70
[  331.235072]  ? __switch_to_asm+0x34/0x70
[  331.239145]  ? __switch_to_asm+0x34/0x70
[  331.243207]  ? __switch_to_asm+0x40/0x70
[  331.247280]  ? __switch_to_asm+0x34/0x70
[  331.251349]  ? __switch_to_asm+0x40/0x70
[  331.255428]  ? graph_lock+0x170/0x170
[  331.259226]  ? graph_lock+0x170/0x170
[  331.263033]  ? graph_lock+0x170/0x170
[  331.266839]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.272389]  ? wait_consider_task+0x245/0x3bb0
[  331.276990]  ? memset+0x31/0x40
[  331.280280]  ? find_held_lock+0x36/0x1c0
[  331.284371]  ? get_signal+0x95b/0x1980
[  331.288271]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.292773]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.297297]  do_group_exit+0x177/0x440
[  331.301219]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.306670]  ? __ia32_sys_exit+0x50/0x50
[  331.310753]  get_signal+0x8b0/0x1980
[  331.314517]  ? ptrace_notify+0x130/0x130
[  331.318583]  ? do_wait+0x57d/0xb90
[  331.322136]  ? wait_consider_task+0x3bb0/0x3bb0
[  331.326827]  ? graph_lock+0x170/0x170
[  331.330631]  ? graph_lock+0x170/0x170
[  331.334431]  ? graph_lock+0x170/0x170
[  331.338249]  do_signal+0x9c/0x21e0
[  331.341838]  ? find_held_lock+0x36/0x1c0
[  331.345910]  ? setup_sigcontext+0x7d0/0x7d0
[  331.350234]  ? kernel_wait4+0x2e0/0x3f0
[  331.354214]  ? __ia32_sys_waitid+0x140/0x140
[  331.358629]  ? task_stopped_code+0x190/0x190
[  331.363060]  ? exit_to_usermode_loop+0x8c/0x380
[  331.367781]  ? __do_page_fault+0x4a6/0xed0
[  331.372020]  ? do_syscall_64+0x9a/0x820
[  331.376002]  ? do_syscall_64+0x9a/0x820
[  331.379983]  exit_to_usermode_loop+0x2e5/0x380
[  331.384567]  ? syscall_slow_exit_work+0x520/0x520
[  331.389432]  do_syscall_64+0x6be/0x820
[  331.393327]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  331.398698]  ? syscall_return_slowpath+0x5e0/0x5e0
[  331.403629]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.408472]  ? trace_hardirqs_on_caller+0x310/0x310
[  331.413494]  ? prepare_exit_to_usermode+0x291/0x3b0
[  331.418521]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  331.423394]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  331.428585] RIP: 0033:0x41124a
[  331.431795] Code: Bad RIP value.
[  331.435172] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  331.442880] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  331.450158] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  331.457444] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  331.464709] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  331.471975] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  331.479267] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  331.479393] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  331.486565] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  331.486574] Call Trace:
[  331.493154] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  331.502408]  <IRQ>
[  331.504978] syz-executor1 cpuset=
[  331.515460]  dump_stack+0x1c4/0x2b4
[  331.517593] /
[  331.521041]  ? dump_stack_print_info.cold.2+0x52/0x52
[  331.524650]  mems_allowed=0
[  331.526368]  warn_alloc.cold.119+0xb7/0x1bd
[  331.538755]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  331.543599]  ? lock_downgrade+0x900/0x900
[  331.547760]  ? trace_hardirqs_off+0xb8/0x310
[  331.552176]  ? trace_hardirqs_off+0xb8/0x310
[  331.556608]  __alloc_pages_slowpath+0x2667/0x2d80
[  331.561498]  ? warn_alloc+0x120/0x120
[  331.565318]  ? warn_alloc+0x120/0x120
[  331.569126]  ? print_usage_bug+0xc0/0xc0
[  331.573190]  ? warn_alloc+0x120/0x120
[  331.576991]  ? print_usage_bug+0xc0/0xc0
[  331.581060]  ? graph_lock+0x170/0x170
[  331.584863]  ? kvm_sched_clock_read+0x9/0x20
[  331.589277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  331.594830]  ? should_fail+0x22d/0xd01
[  331.598727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.603840]  ? __lock_acquire+0x7ec/0x4ec0
[  331.608082]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  331.613183]  ? __lock_acquire+0x7ec/0x4ec0
[  331.617427]  ? should_fail+0x22d/0xd01
[  331.621355]  ? mark_held_locks+0x130/0x130
[  331.625593]  ? mark_held_locks+0x130/0x130
[  331.629851]  ? try_to_wake_up+0x10a/0x12f0
[  331.634098]  ? graph_lock+0x170/0x170
[  331.637906]  ? print_usage_bug+0xc0/0xc0
[  331.641969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.647507]  ? check_preemption_disabled+0x48/0x200
[  331.652534]  ? check_preemption_disabled+0x48/0x200
[  331.657560]  ? __lock_is_held+0xb5/0x140
[  331.661627]  __alloc_pages_nodemask+0xa80/0xde0
[  331.666302]  ? graph_lock+0x170/0x170
[  331.670111]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  331.675148]  ? graph_lock+0x170/0x170
[  331.678975]  ? find_held_lock+0x36/0x1c0
[  331.683060]  ? ____cache_alloc_node+0x1c7/0x1e0
[  331.687742]  ? lock_downgrade+0x900/0x900
[  331.691896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.697439]  cache_grow_begin+0x91/0x8c0
[  331.701513]  ? do_raw_spin_unlock+0xa7/0x2f0
[  331.705958]  fallback_alloc+0x203/0x2e0
[  331.709939]  ____cache_alloc_node+0x1c7/0x1e0
[  331.714438]  kmem_cache_alloc_node+0xe3/0x730
[  331.718937]  ? ipv6_get_ifaddr+0x42e/0x620
[  331.723187]  __alloc_skb+0x119/0x770
[  331.726907]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  331.732190]  ? skb_scrub_packet+0x490/0x490
[  331.736512]  ? lock_downgrade+0x900/0x900
[  331.740672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.746212]  ? refcount_sub_and_test_checked+0x203/0x310
[  331.751669]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  331.757119]  ? addrconf_rs_timer+0x690/0x690
[  331.761552]  ndisc_alloc_skb+0x144/0x340
[  331.765641]  ndisc_send_rs+0x331/0x6e0
[  331.769531]  addrconf_rs_timer+0x314/0x690
[  331.773784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.778031]  call_timer_fn+0x272/0x920
[  331.781915]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.786149]  ? process_timeout+0x40/0x40
[  331.790205]  ? find_held_lock+0x36/0x1c0
[  331.794278]  ? __run_timers+0x7da/0xc70
[  331.798271]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.802795]  ? _raw_spin_unlock_irq+0x27/0x80
[  331.807327]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.811564]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  331.816154]  ? trace_hardirqs_on+0xbd/0x310
[  331.820486]  ? kasan_check_read+0x11/0x20
[  331.824638]  ? __run_timers+0x7da/0xc70
[  331.828615]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  331.834076]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  331.838324]  __run_timers+0x7e5/0xc70
[  331.842141]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  331.847509]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  331.852525]  ? graph_lock+0x170/0x170
[  331.856340]  ? enqueue_hrtimer+0x1a5/0x560
[  331.860611]  ? lock_release+0x970/0x970
[  331.864587]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  331.869793]  ? find_held_lock+0x36/0x1c0
[  331.873865]  ? graph_lock+0x170/0x170
[  331.877671]  ? pvclock_read_flags+0x160/0x160
[  331.882190]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.887741]  ? check_preemption_disabled+0x48/0x200
[  331.892800]  ? __lock_is_held+0xb5/0x140
[  331.896864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.902406]  ? check_preemption_disabled+0x48/0x200
[  331.907436]  run_timer_softirq+0x52/0xb0
[  331.911503]  ? rcu_read_lock_sched_held+0x108/0x120
[  331.916534]  __do_softirq+0x30b/0xad8
[  331.920355]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  331.925472]  ? pvclock_read_flags+0x160/0x160
[  331.929969]  ? lapic_next_event+0x5a/0x90
[  331.934130]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.939686]  ? check_preemption_disabled+0x48/0x200
[  331.944708]  ? check_preemption_disabled+0x48/0x200
[  331.949732]  ? kvm_clock_read+0x18/0x30
[  331.953711]  ? kvm_sched_clock_read+0x9/0x20
[  331.958127]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  331.963677]  ? check_preemption_disabled+0x48/0x200
[  331.968709]  irq_exit+0x17f/0x1c0
[  331.972197]  smp_apic_timer_interrupt+0x1cb/0x760
[  331.977041]  ? smp_reschedule_interrupt+0x109/0x650
[  331.982061]  ? smp_call_function_single_interrupt+0x650/0x650
[  331.987952]  ? interrupt_entry+0xb5/0xf0
[  331.992017]  ? trace_hardirqs_off_caller+0xbb/0x310
[  331.997036]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.002056]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.006925]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.011962]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.016981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.022525]  ? check_preemption_disabled+0x48/0x200
[  332.027540]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.033086]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.037940]  apic_timer_interrupt+0xf/0x20
[  332.042184]  </IRQ>
[  332.044426] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  332.049391] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  332.068301] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  332.076451] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  332.083729] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  332.090992] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  332.098274] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  332.105548] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  332.112854]  skb_clone+0x1bb/0x500
[  332.116396]  ? finish_task_switch+0x1b5/0x900
[  332.120918]  ? skb_split+0x11e0/0x11e0
[  332.124813]  ? preempt_notifier_register+0x200/0x200
[  332.129932]  ? __switch_to_asm+0x34/0x70
[  332.133998]  ? __switch_to_asm+0x34/0x70
[  332.138059]  ? __switch_to_asm+0x40/0x70
[  332.142152]  ? __switch_to_asm+0x34/0x70
[  332.146215]  ? __switch_to_asm+0x40/0x70
[  332.150279]  ? __switch_to_asm+0x34/0x70
[  332.154355]  ? __switch_to_asm+0x40/0x70
[  332.158456]  ? __switch_to_asm+0x34/0x70
[  332.162518]  ? __switch_to_asm+0x34/0x70
[  332.166580]  ? __switch_to_asm+0x40/0x70
[  332.170645]  ? __switch_to_asm+0x34/0x70
[  332.174717]  bpf_clone_redirect+0xb9/0x490
[  332.178974]  ? __schedule+0x874/0x1ed0
[  332.183028]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  332.188050]  ? __sched_text_start+0x8/0x8
[  332.192206]  ? lockdep_hardirqs_on+0x421/0x5c0
[  332.196803]  ? retint_kernel+0x2d/0x2d
[  332.200693]  ? trace_hardirqs_on_caller+0xc0/0x310
[  332.205630]  ? find_held_lock+0x36/0x1c0
[  332.209715]  ? lock_acquire+0x1ed/0x520
[  332.213692]  ? bpf_test_run+0x3cb/0x780
[  332.217672]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.223211]  ? check_preemption_disabled+0x48/0x200
[  332.228240]  ? kasan_check_read+0x11/0x20
[  332.232402]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  332.237700]  ? rcu_bh_qs+0xc0/0xc0
[  332.241246]  ? preempt_schedule+0x4d/0x60
[  332.245395]  ? ___preempt_schedule+0x16/0x18
[  332.249846]  ? bpf_test_run+0x25d/0x780
[  332.253851]  ? netlink_diag_dump+0x2a0/0x2a0
[  332.258272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.263827]  ? bpf_test_init.isra.9+0x70/0x100
[  332.268420]  ? bpf_prog_test_run_skb+0x634/0xb40
[  332.273182]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  332.278033]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  332.283572]  ? fput+0x130/0x1a0
[  332.286856]  ? __bpf_prog_get+0x9b/0x290
[  332.290920]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  332.295761]  ? bpf_prog_test_run+0x130/0x1a0
[  332.300172]  ? __x64_sys_bpf+0x3d8/0x510
[  332.304235]  ? bpf_prog_get+0x20/0x20
[  332.308054]  ? do_syscall_64+0x1b9/0x820
[  332.312121]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  332.317491]  ? syscall_return_slowpath+0x5e0/0x5e0
[  332.322429]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.327470]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  332.332503]  ? recalc_sigpending_tsk+0x180/0x180
[  332.337273]  ? kasan_check_write+0x14/0x20
[  332.341541]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.346394]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  332.351774] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  332.351905] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  332.359320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  332.359326] Call Trace:
[  332.359334]  <IRQ>
[  332.359353]  dump_stack+0x1c4/0x2b4
[  332.359372]  ? dump_stack_print_info.cold.2+0x52/0x52
[  332.359400]  warn_alloc.cold.119+0xb7/0x1bd
[  332.366028] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  332.375261]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  332.377841] syz-executor4 cpuset=
[  332.380022]  ? lock_downgrade+0x900/0x900
[  332.383636] syz4
[  332.388827]  ? trace_hardirqs_off+0xb8/0x310
[  332.393126]  mems_allowed=0
[  332.403604]  ? trace_hardirqs_off+0xb8/0x310
[  332.429746]  __alloc_pages_slowpath+0x2667/0x2d80
[  332.434624]  ? warn_alloc+0x120/0x120
[  332.438430]  ? trace_hardirqs_on+0x310/0x310
[  332.442855]  ? warn_alloc+0x120/0x120
[  332.446659]  ? print_usage_bug+0xc0/0xc0
[  332.450731]  ? warn_alloc+0x120/0x120
[  332.454527]  ? ktime_get+0x2e1/0x440
[  332.458238]  ? print_usage_bug+0xc0/0xc0
[  332.462306]  ? __lock_acquire+0x7ec/0x4ec0
[  332.466542]  ? __lock_acquire+0x7ec/0x4ec0
[  332.470781]  ? kasan_check_read+0x11/0x20
[  332.474933]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  332.480473]  ? should_fail+0x22d/0xd01
[  332.484395]  ? rcu_bh_qs+0xc0/0xc0
[  332.487937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.493042]  ? __lock_acquire+0x7ec/0x4ec0
[  332.497309]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  332.502412]  ? __lock_acquire+0x7ec/0x4ec0
[  332.506645]  ? should_fail+0x22d/0xd01
[  332.510554]  ? rcu_idle_enter+0x4b0/0x4b0
[  332.514719]  ? mark_held_locks+0x130/0x130
[  332.518962]  ? mark_held_locks+0x130/0x130
[  332.523205]  ? mark_held_locks+0xc7/0x130
[  332.527357]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  332.532374]  ? graph_lock+0x170/0x170
[  332.536173]  ? print_usage_bug+0xc0/0xc0
[  332.540238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.545792]  ? check_preemption_disabled+0x48/0x200
[  332.550811]  ? check_preemption_disabled+0x48/0x200
[  332.555845]  ? __lock_is_held+0xb5/0x140
[  332.559912]  __alloc_pages_nodemask+0xa80/0xde0
[  332.564579]  ? graph_lock+0x170/0x170
[  332.568383]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  332.573398]  ? graph_lock+0x170/0x170
[  332.577215]  ? find_held_lock+0x36/0x1c0
[  332.581316]  ? ____cache_alloc_node+0x1c7/0x1e0
[  332.585989]  ? lock_downgrade+0x900/0x900
[  332.590145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.595703]  cache_grow_begin+0x91/0x8c0
[  332.599773]  ? do_raw_spin_unlock+0xa7/0x2f0
[  332.604193]  fallback_alloc+0x203/0x2e0
[  332.608179]  ____cache_alloc_node+0x1c7/0x1e0
[  332.612679]  kmem_cache_alloc_node+0xe3/0x730
[  332.617176]  ? ipv6_get_ifaddr+0x42e/0x620
[  332.621447]  __alloc_skb+0x119/0x770
[  332.625163]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  332.630443]  ? skb_scrub_packet+0x490/0x490
[  332.634762]  ? lock_downgrade+0x900/0x900
[  332.638911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.644442]  ? refcount_sub_and_test_checked+0x203/0x310
[  332.649906]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  332.655353]  ? addrconf_rs_timer+0x690/0x690
[  332.659768]  ndisc_alloc_skb+0x144/0x340
[  332.663838]  ndisc_send_rs+0x331/0x6e0
[  332.667728]  addrconf_rs_timer+0x314/0x690
[  332.671976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.676220]  call_timer_fn+0x272/0x920
[  332.680103]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.684340]  ? process_timeout+0x40/0x40
[  332.688416]  ? find_held_lock+0x36/0x1c0
[  332.692513]  ? mark_held_locks+0xc7/0x130
[  332.696669]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.701166]  ? _raw_spin_unlock_irq+0x27/0x80
[  332.705662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.709895]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  332.714476]  ? trace_hardirqs_on+0xbd/0x310
[  332.718809]  ? kasan_check_read+0x11/0x20
[  332.722964]  ? __run_timers+0x7da/0xc70
[  332.726940]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  332.732401]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.736639]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  332.740873]  __run_timers+0x7e5/0xc70
[  332.744684]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  332.750048]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  332.755061]  ? graph_lock+0x170/0x170
[  332.758860]  ? print_usage_bug+0xc0/0xc0
[  332.762923]  ? lock_release+0x970/0x970
[  332.766909]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  332.772137]  ? find_held_lock+0x36/0x1c0
[  332.776202]  ? graph_lock+0x170/0x170
[  332.780007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.785559]  ? check_preemption_disabled+0x48/0x200
[  332.790613]  ? __lock_is_held+0xb5/0x140
[  332.794677]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.800212]  ? check_preemption_disabled+0x48/0x200
[  332.805248]  run_timer_softirq+0x52/0xb0
[  332.809316]  ? rcu_read_lock_sched_held+0x108/0x120
[  332.814335]  __do_softirq+0x30b/0xad8
[  332.818147]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  332.823258]  ? pvclock_read_flags+0x160/0x160
[  332.827773]  ? lapic_next_event+0x5a/0x90
[  332.831920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.837467]  ? check_preemption_disabled+0x48/0x200
[  332.842493]  ? check_preemption_disabled+0x48/0x200
[  332.847520]  ? kvm_clock_read+0x18/0x30
[  332.851515]  ? kvm_sched_clock_read+0x9/0x20
[  332.855927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.861467]  ? check_preemption_disabled+0x48/0x200
[  332.866511]  irq_exit+0x17f/0x1c0
[  332.870005]  smp_apic_timer_interrupt+0x1cb/0x760
[  332.874869]  ? smp_call_function_single_interrupt+0x650/0x650
[  332.880758]  ? interrupt_entry+0xb5/0xf0
[  332.884837]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.889855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  332.894884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.899744]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.904759]  ? trace_hardirqs_on_caller+0x310/0x310
[  332.909778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.915322]  ? check_preemption_disabled+0x48/0x200
[  332.920359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  332.925912]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  332.930767]  apic_timer_interrupt+0xf/0x20
[  332.934996]  </IRQ>
[  332.937233] RIP: 0010:lock_acquire+0x268/0x520
[  332.941828] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  332.960726] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  332.968443] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  332.975708] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  332.982976] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  332.990268] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  332.997560] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  333.004856]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.010400]  ? lock_release+0x970/0x970
[  333.014376]  ? activate_page+0x1040/0x1040
[  333.018622]  ? __unlock_page_memcg+0x53/0x100
[  333.023146]  ? check_preemption_disabled+0x48/0x200
[  333.028175]  lock_page_memcg+0x95/0x350
[  333.032160]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  333.037365]  ? rcu_bh_qs+0xc0/0xc0
[  333.040939]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  333.046266]  page_remove_rmap+0x855/0x1a30
[  333.050554]  ? page_add_file_rmap+0x1470/0x1470
[  333.055225]  ? __lock_is_held+0xb5/0x140
[  333.059310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.064853]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  333.070394]  ? lru_add_drain_cpu+0x1c0/0x500
[  333.074822]  ? free_pages_and_swap_cache+0x475/0x6f0
[  333.079949]  ? free_page_and_swap_cache+0x950/0x950
[  333.084974]  ? kasan_check_read+0x11/0x20
[  333.089128]  ? page_mapcount+0x3b5/0x5d0
[  333.093191]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  333.098035]  ? lock_downgrade+0x900/0x900
[  333.102225]  ? lock_release+0x970/0x970
[  333.106210]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  333.111227]  ? _vm_normal_page+0x161/0x3c0
[  333.115474]  ? __pte_alloc_kernel+0x220/0x220
[  333.119974]  ? kasan_check_write+0x14/0x20
[  333.124236]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  333.129295]  ? __tlb_remove_page_size+0x187/0x500
[  333.134147]  unmap_page_range+0xf14/0x2030
[  333.138419]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  333.142931]  ? search_extable+0x80/0xb0
[  333.146907]  ? trim_init_extable+0x3a0/0x3a0
[  333.151329]  ? __get_user_8+0x21/0x2b
[  333.155157]  ? print_usage_bug+0xc0/0xc0
[  333.159232]  ? __lock_acquire+0x7ec/0x4ec0
[  333.163469]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  333.169045]  ? no_context+0xd9/0x980
[  333.172779]  ? lock_downgrade+0x900/0x900
[  333.177044]  ? graph_lock+0x170/0x170
[  333.180868]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.186405]  ? tlb_flush_mmu_free+0x135/0x1b0
[  333.190909]  ? find_held_lock+0x36/0x1c0
[  333.194990]  ? exit_mmap+0x4bb/0x590
[  333.198722]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.204259]  ? uprobe_munmap+0x14c/0x450
[  333.208337]  ? uprobe_mmap+0xd50/0xd50
[  333.212225]  ? lock_release+0x970/0x970
[  333.216206]  ? arch_local_save_flags+0x40/0x40
[  333.220844]  ? rwsem_down_write_failed+0xe/0x10
[  333.225513]  ? rwsem_down_write_failed+0xe/0x10
[  333.230184]  ? call_rwsem_down_write_failed+0x17/0x30
[  333.235394]  unmap_single_vma+0x19b/0x310
[  333.239553]  unmap_vmas+0x125/0x200
[  333.243187]  exit_mmap+0x2be/0x590
[  333.246734]  ? __ia32_sys_munmap+0x80/0x80
[  333.250994]  ? __might_sleep+0x95/0x190
[  333.254988]  mmput+0x247/0x610
[  333.258182]  ? lock_downgrade+0x900/0x900
[  333.262339]  ? set_mm_exe_file+0x200/0x200
[  333.266584]  ? kasan_check_read+0x11/0x20
[  333.270801]  ? do_raw_spin_unlock+0xa7/0x2f0
[  333.275222]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  333.279820]  ? kasan_check_write+0x14/0x20
[  333.284059]  ? do_raw_spin_lock+0xc1/0x200
[  333.288314]  do_exit+0xe6f/0x2610
[  333.291782]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  333.296828]  ? mm_update_next_owner+0x990/0x990
[  333.301513]  ? print_usage_bug+0xc0/0xc0
[  333.305575]  ? graph_lock+0x170/0x170
[  333.309393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.314936]  ? check_preemption_disabled+0x48/0x200
[  333.319956]  ? check_preemption_disabled+0x48/0x200
[  333.324972]  ? print_usage_bug+0xc0/0xc0
[  333.329044]  ? __lock_acquire+0x7ec/0x4ec0
[  333.333296]  ? __lock_acquire+0x7ec/0x4ec0
[  333.337568]  ? mark_held_locks+0x130/0x130
[  333.341836]  ? mark_held_locks+0x130/0x130
[  333.346082]  ? kasan_check_write+0x14/0x20
[  333.350319]  ? finish_task_switch+0x2f5/0x900
[  333.354821]  ? __switch_to_asm+0x40/0x70
[  333.358893]  ? __switch_to_asm+0x34/0x70
[  333.362970]  ? __switch_to_asm+0x34/0x70
[  333.367033]  ? __switch_to_asm+0x40/0x70
[  333.371097]  ? __switch_to_asm+0x34/0x70
[  333.375163]  ? __switch_to_asm+0x40/0x70
[  333.379221]  ? __switch_to_asm+0x34/0x70
[  333.383283]  ? __switch_to_asm+0x34/0x70
[  333.387357]  ? __switch_to_asm+0x34/0x70
[  333.391422]  ? __switch_to_asm+0x34/0x70
[  333.395487]  ? __switch_to_asm+0x40/0x70
[  333.399550]  ? __switch_to_asm+0x34/0x70
[  333.403611]  ? __switch_to_asm+0x40/0x70
[  333.407681]  ? graph_lock+0x170/0x170
[  333.411482]  ? graph_lock+0x170/0x170
[  333.415285]  ? graph_lock+0x170/0x170
[  333.419099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.424648]  ? wait_consider_task+0x245/0x3bb0
[  333.429234]  ? memset+0x31/0x40
[  333.432524]  ? find_held_lock+0x36/0x1c0
[  333.436599]  ? get_signal+0x95b/0x1980
[  333.440495]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.444991]  ? _raw_spin_unlock_irq+0x27/0x80
[  333.449522]  do_group_exit+0x177/0x440
[  333.453421]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  333.458878]  ? __ia32_sys_exit+0x50/0x50
[  333.462958]  get_signal+0x8b0/0x1980
[  333.466682]  ? ptrace_notify+0x130/0x130
[  333.470753]  ? do_wait+0x57d/0xb90
[  333.474337]  ? wait_consider_task+0x3bb0/0x3bb0
[  333.479006]  ? graph_lock+0x170/0x170
[  333.482824]  ? graph_lock+0x170/0x170
[  333.486633]  ? graph_lock+0x170/0x170
[  333.490455]  do_signal+0x9c/0x21e0
[  333.493999]  ? find_held_lock+0x36/0x1c0
[  333.498069]  ? setup_sigcontext+0x7d0/0x7d0
[  333.502391]  ? kernel_wait4+0x2e0/0x3f0
[  333.506373]  ? __ia32_sys_waitid+0x140/0x140
[  333.510801]  ? task_stopped_code+0x190/0x190
[  333.515222]  ? exit_to_usermode_loop+0x8c/0x380
[  333.519909]  ? __do_page_fault+0x4a6/0xed0
[  333.524145]  ? do_syscall_64+0x9a/0x820
[  333.528120]  ? do_syscall_64+0x9a/0x820
[  333.532115]  exit_to_usermode_loop+0x2e5/0x380
[  333.536701]  ? syscall_slow_exit_work+0x520/0x520
[  333.541582]  do_syscall_64+0x6be/0x820
[  333.545471]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  333.550858]  ? syscall_return_slowpath+0x5e0/0x5e0
[  333.555787]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.560644]  ? trace_hardirqs_on_caller+0x310/0x310
[  333.565666]  ? prepare_exit_to_usermode+0x291/0x3b0
[  333.570692]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  333.575550]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  333.580742] RIP: 0033:0x41124a
[  333.583939] Code: Bad RIP value.
[  333.587314] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  333.595038] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  333.602314] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  333.609581] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  333.616851] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  333.624116] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  333.631408] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  333.631414] warn_alloc_show_mem: 2 callbacks suppressed
[  333.631421] Mem-Info:
[  333.638716] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  333.644123] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  333.644123]  active_file:8 inactive_file:19 isolated_file:0
[  333.644123]  unevictable:0 dirty:0 writeback:0 unstable:0
[  333.644123]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  333.644123]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  333.644123]  free:13709 free_pcp:257 free_cma:0
[  333.646503] Call Trace:
[  333.655894] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  333.688823]  <IRQ>
[  333.688842]  dump_stack+0x1c4/0x2b4
[  333.691415] Node 0 
[  333.719098]  ? dump_stack_print_info.cold.2+0x52/0x52
[  333.721253] 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
[  333.724866]  warn_alloc.cold.119+0xb7/0x1bd
[  333.727069] lowmem_reserve[]:
[  333.732266]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  333.757743]  0
[  333.762059]  ? lock_downgrade+0x900/0x900
[  333.765149]  2819
[  333.769991]  ? trace_hardirqs_off+0xb8/0x310
[  333.771776]  6323
[  333.775918]  ? trace_hardirqs_off+0xb8/0x310
[  333.777954]  6323
[  333.782362]  __alloc_pages_slowpath+0x2667/0x2d80
[  333.784402] Node 0 
[  333.788841]  ? warn_alloc+0x120/0x120
[  333.790892] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  333.795706]  ? warn_alloc+0x120/0x120
[  333.797922] lowmem_reserve[]:
[  333.801733]  ? print_usage_bug+0xc0/0xc0
[  333.828435]  0 0
[  333.832242]  ? warn_alloc+0x120/0x120
[  333.835322]  3503 3503
[  333.839391]  ? print_usage_bug+0xc0/0xc0
[  333.845151]  ? __lock_acquire+0x7ec/0x4ec0
[  333.847634] Node 0 
[  333.851714]  ? __lock_acquire+0x7ec/0x4ec0
[  333.855955] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  333.858165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  333.862385] lowmem_reserve[]:
[  333.890771]  ? should_fail+0x22d/0xd01
[  333.896282]  0 0
[  333.899407]  ? __lock_acquire+0x7ec/0x4ec0
[  333.903327]  0
[  333.905329]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.909537]  0
[  333.911339]  ? __lock_acquire+0x7ec/0x4ec0
[  333.916421] Node 0 
[  333.918219]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  333.922426] DMA: 1*4kB 
[  333.924671]  ? __lock_acquire+0x7ec/0x4ec0
[  333.929752] (U) 
[  333.932343]  ? should_fail+0x22d/0xd01
[  333.936561] 0*8kB 
[  333.938545]  ? mark_held_locks+0x130/0x130
[  333.942409] 0*16kB 
[  333.944557]  ? mark_held_locks+0x130/0x130
[  333.948783] 1*32kB 
[  333.951021]  ? graph_lock+0x170/0x170
[  333.955231] (U) 
[  333.957502]  ? print_usage_bug+0xc0/0xc0
[  333.961305] 2*64kB 
[  333.963282]  ? wq_watchdog_touch+0x9c/0xfe
[  333.967321] (U) 1*128kB 
[  333.969584]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  333.973793] (U) 
[  333.976468]  ? check_preemption_disabled+0x48/0x200
[  333.981980] 1*256kB 
[  333.983953]  ? check_preemption_disabled+0x48/0x200
[  333.988942] (U) 
[  333.991267]  ? __lock_is_held+0xb5/0x140
[  333.996277] 0*512kB 
[  333.998265]  __alloc_pages_nodemask+0xa80/0xde0
[  334.002305] 1*1024kB 
[  334.004627]  ? graph_lock+0x170/0x170
[  334.009275] (U) 
[  334.011693]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  334.015466] 1*2048kB (M) 
[  334.017481]  ? graph_lock+0x170/0x170
[  334.022491] 3*4096kB 
[  334.025253]  ? find_held_lock+0x36/0x1c0
[  334.029022] (M) 
[  334.031435]  ? ____cache_alloc_node+0x1c7/0x1e0
[  334.035472] = 15908kB
[  334.037444]  ? lock_downgrade+0x900/0x900
[  334.042089] Node 0 
[  334.044502]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.048625] DMA32: 
[  334.050869]  cache_grow_begin+0x91/0x8c0
[  334.056398] 4*4kB 
[  334.058646]  ? do_raw_spin_unlock+0xa7/0x2f0
[  334.062683] (UM) 2*8kB 
[  334.064849]  fallback_alloc+0x203/0x2e0
[  334.069231] (UM) 
[  334.071834]  ____cache_alloc_node+0x1c7/0x1e0
[  334.075908] 2*16kB (M) 
[  334.077997]  kmem_cache_alloc_node+0xe3/0x730
[  334.082469] 3*32kB 
[  334.085062]  ? ipv6_get_ifaddr+0x42e/0x620
[  334.089534] (UM) 
[  334.091797]  __alloc_skb+0x119/0x770
[  334.096010] 5*64kB (UM) 
[  334.098086]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  334.101788] 4*128kB 
[  334.104453]  ? skb_scrub_packet+0x490/0x490
[  334.109724] (UM) 
[  334.112043]  ? lock_downgrade+0x900/0x900
[  334.116354] 4*256kB 
[  334.118418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.122545] (UM) 
[  334.124870]  ? refcount_sub_and_test_checked+0x203/0x310
[  334.130384] 3*512kB 
[  334.132446]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  334.137881] (M) 3*1024kB 
[  334.140211]  ? addrconf_rs_timer+0x690/0x690
[  334.145631] (UM) 3*2048kB (M) 3*4096kB (M) = 25056kB
[  334.145649] Node 0 Normal: 798*4kB (ME) 471*8kB (UME) 208*16kB (UME) 76*32kB (UME) 4*64kB (M) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13872kB
[  334.145714] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  334.145720] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  334.145724] 1299 total pagecache pages
[  334.145733] 0 pages in swap cache
[  334.145738] Swap cache stats: add 0, delete 0, find 0/0
[  334.145741] Free swap  = 0kB
[  334.145744] Total swap = 0kB
[  334.145748] 1965979 pages RAM
[  334.145751] 0 pages HighMem/MovableOnly
[  334.145754] 342306 pages reserved
[  334.145757] 0 pages cma reserved
[  334.145846] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  334.145910] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.145914] syz-executor1 cpuset=/ mems_allowed=0
[  334.245383]  ndisc_alloc_skb+0x144/0x340
[  334.249451]  ndisc_send_rs+0x331/0x6e0
[  334.253362]  addrconf_rs_timer+0x314/0x690
[  334.257616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.261870]  call_timer_fn+0x272/0x920
[  334.265760]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.269998]  ? process_timeout+0x40/0x40
[  334.274073]  ? find_held_lock+0x36/0x1c0
[  334.278149]  ? __run_timers+0x7da/0xc70
[  334.282136]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.286634]  ? _raw_spin_unlock_irq+0x27/0x80
[  334.291142]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.295379]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  334.299965]  ? trace_hardirqs_on+0xbd/0x310
[  334.304300]  ? kasan_check_read+0x11/0x20
[  334.308456]  ? __run_timers+0x7da/0xc70
[  334.312438]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  334.317907]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  334.322162]  __run_timers+0x7e5/0xc70
[  334.325991]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  334.331379]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  334.336406]  ? graph_lock+0x170/0x170
[  334.340236]  ? enqueue_hrtimer+0x1a5/0x560
[  334.344469]  ? lock_release+0x970/0x970
[  334.348448]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  334.353649]  ? find_held_lock+0x36/0x1c0
[  334.357719]  ? graph_lock+0x170/0x170
[  334.361523]  ? pvclock_read_flags+0x160/0x160
[  334.366024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.371567]  ? check_preemption_disabled+0x48/0x200
[  334.376600]  ? __lock_is_held+0xb5/0x140
[  334.380663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.386205]  ? check_preemption_disabled+0x48/0x200
[  334.391232]  run_timer_softirq+0x52/0xb0
[  334.395304]  ? rcu_read_lock_sched_held+0x108/0x120
[  334.400360]  __do_softirq+0x30b/0xad8
[  334.404175]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  334.409285]  ? pvclock_read_flags+0x160/0x160
[  334.413798]  ? lapic_next_event+0x5a/0x90
[  334.417960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.423503]  ? check_preemption_disabled+0x48/0x200
[  334.428522]  ? check_preemption_disabled+0x48/0x200
[  334.433554]  ? kvm_clock_read+0x18/0x30
[  334.437533]  ? kvm_sched_clock_read+0x9/0x20
[  334.441947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.447485]  ? check_preemption_disabled+0x48/0x200
[  334.452518]  irq_exit+0x17f/0x1c0
[  334.455972]  smp_apic_timer_interrupt+0x1cb/0x760
[  334.460815]  ? smp_reschedule_interrupt+0x109/0x650
[  334.465835]  ? smp_call_function_single_interrupt+0x650/0x650
[  334.471741]  ? interrupt_entry+0xb5/0xf0
[  334.475806]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.480828]  ? trace_hardirqs_off_caller+0xbb/0x310
[  334.485853]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.490697]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.495709]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.500722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.506259]  ? check_preemption_disabled+0x48/0x200
[  334.511332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.516876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.521729]  apic_timer_interrupt+0xf/0x20
[  334.525955]  </IRQ>
[  334.528208] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  334.533141] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  334.552053] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  334.559782] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  334.567045] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  334.574323] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  334.581589] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  334.588855] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  334.596163]  skb_clone+0x1bb/0x500
[  334.599704]  ? finish_task_switch+0x1b5/0x900
[  334.604202]  ? skb_split+0x11e0/0x11e0
[  334.608097]  ? preempt_notifier_register+0x200/0x200
[  334.613198]  ? __switch_to_asm+0x34/0x70
[  334.617259]  ? __switch_to_asm+0x34/0x70
[  334.621335]  ? __switch_to_asm+0x40/0x70
[  334.625402]  ? __switch_to_asm+0x34/0x70
[  334.629464]  ? __switch_to_asm+0x40/0x70
[  334.633525]  ? __switch_to_asm+0x34/0x70
[  334.637587]  ? __switch_to_asm+0x40/0x70
[  334.641645]  ? __switch_to_asm+0x34/0x70
[  334.645709]  ? __switch_to_asm+0x34/0x70
[  334.649780]  ? __switch_to_asm+0x40/0x70
[  334.653848]  ? __switch_to_asm+0x34/0x70
[  334.657921]  bpf_clone_redirect+0xb9/0x490
[  334.662156]  ? __schedule+0x874/0x1ed0
[  334.666056]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  334.671077]  ? __sched_text_start+0x8/0x8
[  334.675229]  ? lockdep_hardirqs_on+0x421/0x5c0
[  334.679810]  ? retint_kernel+0x2d/0x2d
[  334.683695]  ? trace_hardirqs_on_caller+0xc0/0x310
[  334.688637]  ? find_held_lock+0x36/0x1c0
[  334.692705]  ? lock_acquire+0x1ed/0x520
[  334.696679]  ? bpf_test_run+0x3cb/0x780
[  334.700654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  334.706195]  ? check_preemption_disabled+0x48/0x200
[  334.711221]  ? kasan_check_read+0x11/0x20
[  334.715374]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  334.720666]  ? rcu_bh_qs+0xc0/0xc0
[  334.724205]  ? preempt_schedule+0x4d/0x60
[  334.728354]  ? ___preempt_schedule+0x16/0x18
[  334.732769]  ? bpf_test_run+0x25d/0x780
[  334.736774]  ? netlink_diag_dump+0x2a0/0x2a0
[  334.741198]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.746756]  ? bpf_test_init.isra.9+0x70/0x100
[  334.751351]  ? bpf_prog_test_run_skb+0x634/0xb40
[  334.756118]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  334.760972]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  334.766517]  ? fput+0x130/0x1a0
[  334.769799]  ? __bpf_prog_get+0x9b/0x290
[  334.773864]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  334.778737]  ? bpf_prog_test_run+0x130/0x1a0
[  334.783152]  ? __x64_sys_bpf+0x3d8/0x510
[  334.787218]  ? bpf_prog_get+0x20/0x20
[  334.791041]  ? do_syscall_64+0x1b9/0x820
[  334.795104]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  334.800472]  ? syscall_return_slowpath+0x5e0/0x5e0
[  334.805408]  ? trace_hardirqs_on_caller+0x310/0x310
[  334.810429]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  334.815452]  ? recalc_sigpending_tsk+0x180/0x180
[  334.820216]  ? kasan_check_write+0x14/0x20
[  334.824460]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  334.829326]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  334.834750] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  334.834831] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  334.842034] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  334.842040] Call Trace:
[  334.842045]  <IRQ>
[  334.842063]  dump_stack+0x1c4/0x2b4
[  334.842084]  ? dump_stack_print_info.cold.2+0x52/0x52
[  334.848664] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  334.857953]  warn_alloc.cold.119+0xb7/0x1bd
[  334.860509] syz-executor4 cpuset=
[  334.862661]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  334.866271] syz4
[  334.871478]  ? lock_downgrade+0x900/0x900
[  334.881942]  mems_allowed=0
[  334.886257]  ? trace_hardirqs_off+0xb8/0x310
[  334.907957]  ? trace_hardirqs_off+0xb8/0x310
[  334.912379]  __alloc_pages_slowpath+0x2667/0x2d80
[  334.917255]  ? warn_alloc+0x120/0x120
[  334.921078]  ? warn_alloc+0x120/0x120
[  334.924885]  ? print_usage_bug+0xc0/0xc0
[  334.928950]  ? warn_alloc+0x120/0x120
[  334.932754]  ? lock_release+0x970/0x970
[  334.936731]  ? print_usage_bug+0xc0/0xc0
[  334.940799]  ? __lock_acquire+0x7ec/0x4ec0
[  334.945036]  ? __lock_acquire+0x7ec/0x4ec0
[  334.949278]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  334.954835]  ? should_fail+0x22d/0xd01
[  334.958727]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.963834]  ? __lock_acquire+0x7ec/0x4ec0
[  334.968074]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  334.973174]  ? __lock_acquire+0x7ec/0x4ec0
[  334.977414]  ? should_fail+0x22d/0xd01
[  334.981322]  ? mark_held_locks+0x130/0x130
[  334.985574]  ? mark_held_locks+0x130/0x130
[  334.989855]  ? kvm_clock_read+0x18/0x30
[  334.993837]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  334.998854]  ? ktime_get+0x2e1/0x440
[  335.002601]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.008143]  ? graph_lock+0x170/0x170
[  335.011943]  ? print_usage_bug+0xc0/0xc0
[  335.016007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.021560]  ? check_preemption_disabled+0x48/0x200
[  335.026583]  ? check_preemption_disabled+0x48/0x200
[  335.031618]  ? __lock_is_held+0xb5/0x140
[  335.035702]  __alloc_pages_nodemask+0xa80/0xde0
[  335.040385]  ? graph_lock+0x170/0x170
[  335.044194]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  335.049212]  ? graph_lock+0x170/0x170
[  335.053026]  ? find_held_lock+0x36/0x1c0
[  335.057096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  335.061770]  ? lock_downgrade+0x900/0x900
[  335.065932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.071482]  cache_grow_begin+0x91/0x8c0
[  335.075551]  ? do_raw_spin_unlock+0xa7/0x2f0
[  335.079970]  fallback_alloc+0x203/0x2e0
[  335.083957]  ____cache_alloc_node+0x1c7/0x1e0
[  335.088475]  kmem_cache_alloc_node+0xe3/0x730
[  335.092972]  ? ipv6_get_ifaddr+0x42e/0x620
[  335.097219]  __alloc_skb+0x119/0x770
[  335.100937]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  335.106218]  ? skb_scrub_packet+0x490/0x490
[  335.110539]  ? lock_downgrade+0x900/0x900
[  335.114699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.120244]  ? refcount_sub_and_test_checked+0x203/0x310
[  335.125714]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  335.131175]  ? addrconf_rs_timer+0x690/0x690
[  335.135613]  ndisc_alloc_skb+0x144/0x340
[  335.139690]  ndisc_send_rs+0x331/0x6e0
[  335.143589]  addrconf_rs_timer+0x314/0x690
[  335.147841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.152091]  call_timer_fn+0x272/0x920
[  335.155991]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.160227]  ? process_timeout+0x40/0x40
[  335.164286]  ? find_held_lock+0x36/0x1c0
[  335.168370]  ? mark_held_locks+0xc7/0x130
[  335.172526]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.177024]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.181520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.185759]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  335.190350]  ? trace_hardirqs_on+0xbd/0x310
[  335.194676]  ? kasan_check_read+0x11/0x20
[  335.198848]  ? __run_timers+0x7da/0xc70
[  335.202848]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  335.208321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.212565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  335.216803]  __run_timers+0x7e5/0xc70
[  335.220627]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  335.226033]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.231105]  ? graph_lock+0x170/0x170
[  335.234913]  ? print_usage_bug+0xc0/0xc0
[  335.238998]  ? lock_release+0x970/0x970
[  335.242989]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  335.248204]  ? find_held_lock+0x36/0x1c0
[  335.252274]  ? graph_lock+0x170/0x170
[  335.256103]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.261670]  ? check_preemption_disabled+0x48/0x200
[  335.266702]  ? __lock_is_held+0xb5/0x140
[  335.270780]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.276330]  ? check_preemption_disabled+0x48/0x200
[  335.281358]  run_timer_softirq+0x52/0xb0
[  335.285422]  ? rcu_read_lock_sched_held+0x108/0x120
[  335.290477]  __do_softirq+0x30b/0xad8
[  335.294301]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  335.299427]  ? pvclock_read_flags+0x160/0x160
[  335.303926]  ? lapic_next_event+0x5a/0x90
[  335.308101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.313645]  ? check_preemption_disabled+0x48/0x200
[  335.318664]  ? check_preemption_disabled+0x48/0x200
[  335.323689]  ? kvm_clock_read+0x18/0x30
[  335.327665]  ? kvm_sched_clock_read+0x9/0x20
[  335.332084]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.337625]  ? check_preemption_disabled+0x48/0x200
[  335.342656]  irq_exit+0x17f/0x1c0
[  335.346133]  smp_apic_timer_interrupt+0x1cb/0x760
[  335.350982]  ? smp_call_function_single_interrupt+0x650/0x650
[  335.356894]  ? interrupt_entry+0xb5/0xf0
[  335.360971]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.365990]  ? trace_hardirqs_off_caller+0xbb/0x310
[  335.371006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.375865]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.380881]  ? trace_hardirqs_on_caller+0x310/0x310
[  335.385909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.391448]  ? check_preemption_disabled+0x48/0x200
[  335.396469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.402012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  335.406867]  apic_timer_interrupt+0xf/0x20
[  335.411095]  </IRQ>
[  335.413338] RIP: 0010:lock_acquire+0x268/0x520
[  335.417926] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  335.436830] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  335.444557] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  335.451830] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  335.459101] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  335.466379] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  335.473648] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  335.480943]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.486485]  ? lock_release+0x970/0x970
[  335.490476]  ? activate_page+0x1040/0x1040
[  335.494734]  ? __unlock_page_memcg+0x53/0x100
[  335.499237]  ? check_preemption_disabled+0x48/0x200
[  335.504266]  lock_page_memcg+0x95/0x350
[  335.508252]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  335.513446]  ? rcu_bh_qs+0xc0/0xc0
[  335.516995]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  335.522214]  page_remove_rmap+0x855/0x1a30
[  335.526458]  ? page_add_file_rmap+0x1470/0x1470
[  335.531135]  ? __lock_is_held+0xb5/0x140
[  335.535213]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.540766]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  335.546315]  ? lru_add_drain_cpu+0x1c0/0x500
[  335.550741]  ? free_pages_and_swap_cache+0x475/0x6f0
[  335.555861]  ? free_page_and_swap_cache+0x950/0x950
[  335.560893]  ? kasan_check_read+0x11/0x20
[  335.565044]  ? page_mapcount+0x3b5/0x5d0
[  335.569124]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  335.573975]  ? lock_downgrade+0x900/0x900
[  335.578131]  ? lock_release+0x970/0x970
[  335.582110]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  335.587131]  ? _vm_normal_page+0x161/0x3c0
[  335.591374]  ? __pte_alloc_kernel+0x220/0x220
[  335.595876]  ? kasan_check_write+0x14/0x20
[  335.600112]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  335.605131]  ? __tlb_remove_page_size+0x187/0x500
[  335.609984]  unmap_page_range+0xf14/0x2030
[  335.614246]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  335.618745]  ? search_extable+0x80/0xb0
[  335.622742]  ? trim_init_extable+0x3a0/0x3a0
[  335.627158]  ? __get_user_8+0x21/0x2b
[  335.630961]  ? print_usage_bug+0xc0/0xc0
[  335.635032]  ? __lock_acquire+0x7ec/0x4ec0
[  335.639275]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  335.644845]  ? no_context+0xd9/0x980
[  335.648578]  ? lock_downgrade+0x900/0x900
[  335.652740]  ? graph_lock+0x170/0x170
[  335.656553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.662091]  ? tlb_flush_mmu_free+0x135/0x1b0
[  335.666595]  ? find_held_lock+0x36/0x1c0
[  335.670666]  ? exit_mmap+0x4bb/0x590
[  335.674382]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  335.679932]  ? uprobe_munmap+0x14c/0x450
[  335.683998]  ? uprobe_mmap+0xd50/0xd50
[  335.687892]  ? lock_release+0x970/0x970
[  335.691869]  ? arch_local_save_flags+0x40/0x40
[  335.696463]  ? rwsem_down_write_failed+0xe/0x10
[  335.701149]  ? rwsem_down_write_failed+0xe/0x10
[  335.705835]  ? call_rwsem_down_write_failed+0x17/0x30
[  335.711032]  unmap_single_vma+0x19b/0x310
[  335.715192]  unmap_vmas+0x125/0x200
[  335.718847]  exit_mmap+0x2be/0x590
[  335.722411]  ? __ia32_sys_munmap+0x80/0x80
[  335.726670]  ? __might_sleep+0x95/0x190
[  335.730653]  mmput+0x247/0x610
[  335.733850]  ? lock_downgrade+0x900/0x900
[  335.738000]  ? set_mm_exe_file+0x200/0x200
[  335.742245]  ? kasan_check_read+0x11/0x20
[  335.746399]  ? do_raw_spin_unlock+0xa7/0x2f0
[  335.750810]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  335.755405]  ? kasan_check_write+0x14/0x20
[  335.759642]  ? do_raw_spin_lock+0xc1/0x200
[  335.763887]  do_exit+0xe6f/0x2610
[  335.767348]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  335.772378]  ? mm_update_next_owner+0x990/0x990
[  335.777060]  ? print_usage_bug+0xc0/0xc0
[  335.781134]  ? graph_lock+0x170/0x170
[  335.784950]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.790507]  ? check_preemption_disabled+0x48/0x200
[  335.795523]  ? check_preemption_disabled+0x48/0x200
[  335.800544]  ? print_usage_bug+0xc0/0xc0
[  335.804615]  ? __lock_acquire+0x7ec/0x4ec0
[  335.808875]  ? __lock_acquire+0x7ec/0x4ec0
[  335.813140]  ? mark_held_locks+0x130/0x130
[  335.817385]  ? mark_held_locks+0x130/0x130
[  335.821620]  ? kasan_check_write+0x14/0x20
[  335.825856]  ? finish_task_switch+0x2f5/0x900
[  335.830365]  ? __switch_to_asm+0x40/0x70
[  335.834433]  ? __switch_to_asm+0x34/0x70
[  335.838501]  ? __switch_to_asm+0x34/0x70
[  335.842564]  ? __switch_to_asm+0x40/0x70
[  335.846628]  ? __switch_to_asm+0x34/0x70
[  335.850702]  ? __switch_to_asm+0x40/0x70
[  335.854765]  ? __switch_to_asm+0x34/0x70
[  335.858846]  ? __switch_to_asm+0x34/0x70
[  335.862911]  ? __switch_to_asm+0x34/0x70
[  335.866976]  ? __switch_to_asm+0x34/0x70
[  335.871039]  ? __switch_to_asm+0x40/0x70
[  335.875111]  ? __switch_to_asm+0x34/0x70
[  335.879179]  ? __switch_to_asm+0x40/0x70
[  335.883253]  ? graph_lock+0x170/0x170
[  335.887052]  ? graph_lock+0x170/0x170
[  335.890855]  ? graph_lock+0x170/0x170
[  335.894673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  335.900212]  ? wait_consider_task+0x245/0x3bb0
[  335.904825]  ? memset+0x31/0x40
[  335.908115]  ? find_held_lock+0x36/0x1c0
[  335.912192]  ? get_signal+0x95b/0x1980
[  335.916090]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.920590]  ? _raw_spin_unlock_irq+0x27/0x80
[  335.925095]  do_group_exit+0x177/0x440
[  335.928988]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  335.934445]  ? __ia32_sys_exit+0x50/0x50
[  335.938531]  get_signal+0x8b0/0x1980
[  335.942281]  ? ptrace_notify+0x130/0x130
[  335.946355]  ? do_wait+0x57d/0xb90
[  335.949905]  ? wait_consider_task+0x3bb0/0x3bb0
[  335.954574]  ? graph_lock+0x170/0x170
[  335.958382]  ? graph_lock+0x170/0x170
[  335.962190]  ? graph_lock+0x170/0x170
[  335.966013]  do_signal+0x9c/0x21e0
[  335.969561]  ? find_held_lock+0x36/0x1c0
[  335.973640]  ? setup_sigcontext+0x7d0/0x7d0
[  335.977965]  ? kernel_wait4+0x2e0/0x3f0
[  335.981970]  ? __ia32_sys_waitid+0x140/0x140
[  335.986407]  ? task_stopped_code+0x190/0x190
[  335.990832]  ? exit_to_usermode_loop+0x8c/0x380
[  335.995528]  ? __do_page_fault+0x4a6/0xed0
[  335.999782]  ? do_syscall_64+0x9a/0x820
[  336.003763]  ? do_syscall_64+0x9a/0x820
[  336.007752]  exit_to_usermode_loop+0x2e5/0x380
[  336.012342]  ? syscall_slow_exit_work+0x520/0x520
[  336.017206]  do_syscall_64+0x6be/0x820
[  336.021098]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  336.026470]  ? syscall_return_slowpath+0x5e0/0x5e0
[  336.031407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.036257]  ? trace_hardirqs_on_caller+0x310/0x310
[  336.041302]  ? prepare_exit_to_usermode+0x291/0x3b0
[  336.046347]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  336.051203]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  336.056415] RIP: 0033:0x41124a
[  336.059617] Code: Bad RIP value.
[  336.062981] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  336.070693] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  336.078119] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  336.085390] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  336.092663] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  336.099936] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  336.107238] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  336.107244] warn_alloc_show_mem: 1 callbacks suppressed
[  336.107252] Mem-Info:
[  336.114537] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  336.119914] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  336.119914]  active_file:8 inactive_file:19 isolated_file:0
[  336.119914]  unevictable:0 dirty:0 writeback:0 unstable:0
[  336.119914]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  336.119914]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  336.119914]  free:13709 free_pcp:257 free_cma:0
[  336.122303] Call Trace:
[  336.131702] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  336.164641]  <IRQ>
[  336.167234] Node 0 
[  336.195061]  dump_stack+0x1c4/0x2b4
[  336.197225] 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
[  336.199439]  ? dump_stack_print_info.cold.2+0x52/0x52
[  336.203049] lowmem_reserve[]: 0
[  336.228587]  warn_alloc.cold.119+0xb7/0x1bd
[  336.233747]  2819
[  336.237033]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  336.241327]  6323 6323
[  336.243402]  ? lock_downgrade+0x900/0x900
[  336.250743]  ? trace_hardirqs_off+0xb8/0x310
[  336.254864] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  336.259315]  ? trace_hardirqs_off+0xb8/0x310
[  336.286646] lowmem_reserve[]: 0
[  336.291082]  __alloc_pages_slowpath+0x2667/0x2d80
[  336.291126]  ? warn_alloc+0x120/0x120
[  336.294370]  0
[  336.299211]  ? trace_hardirqs_on+0x310/0x310
[  336.302999]  3503
[  336.304790]  ? warn_alloc+0x120/0x120
[  336.309173]  3503
[  336.311249]  ? print_usage_bug+0xc0/0xc0
[  336.315036] Node 0 
[  336.317103]  ? warn_alloc+0x120/0x120
[  336.321178] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  336.323387]  ? ktime_get+0x2e1/0x440
[  336.327160] lowmem_reserve[]: 0
[  336.355538]  ? print_usage_bug+0xc0/0xc0
[  336.359242]  0
[  336.362526]  ? __lock_acquire+0x7ec/0x4ec0
[  336.366567]  0
[  336.368384]  ? __lock_acquire+0x7ec/0x4ec0
[  336.372593]  0
[  336.374410]  ? kasan_check_read+0x11/0x20
[  336.378623] Node 0 
[  336.380434]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  336.384563] DMA: 
[  336.386803]  ? should_fail+0x22d/0xd01
[  336.392350] 1*4kB 
[  336.394419]  ? rcu_bh_qs+0xc0/0xc0
[  336.398282] (U) 
[  336.400459]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.403978] 0*8kB 
[  336.405954]  ? __lock_acquire+0x7ec/0x4ec0
[  336.411050] 0*16kB 1*32kB 
[  336.413211]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  336.417423] (U) 
[  336.420271]  ? __lock_acquire+0x7ec/0x4ec0
[  336.425357] 2*64kB 
[  336.427335]  ? should_fail+0x22d/0xd01
[  336.431545] (U) 1*128kB 
[  336.433799]  ? rcu_idle_enter+0x4b0/0x4b0
[  336.437664] (U) 
[  336.440347]  ? mark_held_locks+0x130/0x130
[  336.444465] 1*256kB (U) 
[  336.446454]  ? mark_held_locks+0x130/0x130
[  336.450671] 0*512kB 
[  336.453346]  ? mark_held_locks+0xc7/0x130
[  336.457561] 1*1024kB 
[  336.459881]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  336.459898]  ? graph_lock+0x170/0x170
[  336.464027] (U) 
[  336.466436]  ? print_usage_bug+0xc0/0xc0
[  336.471444] 1*2048kB (M) 
[  336.475261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.477218] 3*4096kB 
[  336.481281]  ? check_preemption_disabled+0x48/0x200
[  336.484026] (M) 
[  336.489567]  ? check_preemption_disabled+0x48/0x200
[  336.491957] = 15908kB
[  336.496979]  ? __lock_is_held+0xb5/0x140
[  336.498931] Node 0 
[  336.503952]  __alloc_pages_nodemask+0xa80/0xde0
[  336.506341] DMA32: 
[  336.510415]  ? graph_lock+0x170/0x170
[  336.512638] 4*4kB 
[  336.517315]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  336.519542] (UM) 
[  336.523350]  ? graph_lock+0x170/0x170
[  336.525485] 2*8kB 
[  336.530505]  ? find_held_lock+0x36/0x1c0
[  336.532547] (UM) 
[  336.536360]  ? ____cache_alloc_node+0x1c7/0x1e0
[  336.538481] 2*16kB (M) 
[  336.542554]  ? lock_downgrade+0x900/0x900
[  336.544600] 3*32kB 
[  336.549272]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.551838] (UM) 
[  336.555993]  cache_grow_begin+0x91/0x8c0
[  336.558209] 5*64kB 
[  336.563763]  ? do_raw_spin_unlock+0xa7/0x2f0
[  336.565807] (UM) 
[  336.569873]  fallback_alloc+0x203/0x2e0
[  336.572093] 4*128kB (UM) 
[  336.576527]  ____cache_alloc_node+0x1c7/0x1e0
[  336.578570] 4*256kB 
[  336.582547]  kmem_cache_alloc_node+0xe3/0x730
[  336.585301] (UM) 
[  336.589803]  ? ipv6_get_ifaddr+0x42e/0x620
[  336.592114] 3*512kB 
[  336.596611]  __alloc_skb+0x119/0x770
[  336.598640] (M) 3*1024kB 
[  336.602891]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  336.605190] (UM) 
[  336.608904]  ? skb_scrub_packet+0x490/0x490
[  336.611646] 3*2048kB 
[  336.616923]  ? lock_downgrade+0x900/0x900
[  336.618963] (M) 3*4096kB 
[  336.623315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.625706] (M) = 25056kB
[  336.629868]  ? refcount_sub_and_test_checked+0x203/0x310
[  336.632610] Node 0 
[  336.638147]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  336.640882] Normal: 798*4kB 
[  336.646346]  ? addrconf_rs_timer+0x690/0x690
[  336.648560] (ME) 
[  336.654019]  ndisc_alloc_skb+0x144/0x340
[  336.657018] 471*8kB 
[  336.661424]  ndisc_send_rs+0x331/0x6e0
[  336.663469] (UME) 
[  336.667530]  addrconf_rs_timer+0x314/0x690
[  336.669835] 208*16kB 
[  336.673719]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.675851] (UME) 
[  336.680096]  call_timer_fn+0x272/0x920
[  336.682477] 76*32kB 
[  336.686709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.688846] (UME) 
[  336.692733]  ? process_timeout+0x40/0x40
[  336.695036] 4*64kB 
[  336.699269]  ? find_held_lock+0x36/0x1c0
[  336.701398] (M) 
[  336.705463]  ? __run_timers+0x7da/0xc70
[  336.707675] 1*128kB 
[  336.711740]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.713693] (U) 
[  336.717669]  ? _raw_spin_unlock_irq+0x27/0x80
[  336.719978] 1*256kB 
[  336.724469]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.726426] (U) 
[  336.730919]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  336.733229] 1*512kB 
[  336.737461]  ? trace_hardirqs_on+0xbd/0x310
[  336.739415] (U) 
[  336.744000]  ? kasan_check_read+0x11/0x20
[  336.746311] 0*1024kB 
[  336.750635]  ? __run_timers+0x7da/0xc70
[  336.752590] 0*2048kB 
[  336.756737]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  336.759126] 0*4096kB 
[  336.763099]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.765493] = 13872kB
[  336.770943]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  336.773346] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  336.777572]  __run_timers+0x7e5/0xc70
[  336.779967] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  336.784202]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  336.793008] 1299 total pagecache pages
[  336.796807]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  336.805371] 0 pages in swap cache
[  336.810725]  ? graph_lock+0x170/0x170
[  336.814599] Swap cache stats: add 0, delete 0, find 0/0
[  336.819607]  ? enqueue_hrtimer+0x1a5/0x560
[  336.823040] Free swap  = 0kB
[  336.826833]  ? lock_release+0x970/0x970
[  336.826850]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  336.832188] Total swap = 0kB
[  336.832197] 1965979 pages RAM
[  336.836434]  ? find_held_lock+0x36/0x1c0
[  336.839435] 0 pages HighMem/MovableOnly
[  336.843406]  ? graph_lock+0x170/0x170
[  336.848593] 342306 pages reserved
[  336.851612]  ? pvclock_read_flags+0x160/0x160
[  336.854699] 0 pages cma reserved
[  336.858759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.862811] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  336.866511]  ? check_preemption_disabled+0x48/0x200
[  336.870097] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  336.874477]  ? __lock_is_held+0xb5/0x140
[  336.877825] syz-executor1 cpuset=
[  336.883356]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.889825] /
[  336.894845]  ? check_preemption_disabled+0x48/0x200
[  336.905318]  mems_allowed=0
[  336.909389]  run_timer_softirq+0x52/0xb0
[  336.932015]  ? rcu_read_lock_sched_held+0x108/0x120
[  336.937037]  __do_softirq+0x30b/0xad8
[  336.940865]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  336.945994]  ? pvclock_read_flags+0x160/0x160
[  336.950509]  ? lapic_next_event+0x5a/0x90
[  336.954664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.960205]  ? check_preemption_disabled+0x48/0x200
[  336.965222]  ? check_preemption_disabled+0x48/0x200
[  336.970254]  ? kvm_clock_read+0x18/0x30
[  336.974234]  ? kvm_sched_clock_read+0x9/0x20
[  336.978673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  336.984218]  ? check_preemption_disabled+0x48/0x200
[  336.989264]  irq_exit+0x17f/0x1c0
[  336.992737]  smp_apic_timer_interrupt+0x1cb/0x760
[  336.997577]  ? smp_reschedule_interrupt+0x109/0x650
[  337.002616]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.008505]  ? interrupt_entry+0xb5/0xf0
[  337.012574]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.017595]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.022618]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.027465]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.032499]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.037522]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.043093]  ? check_preemption_disabled+0x48/0x200
[  337.048120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.053681]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.058536]  apic_timer_interrupt+0xf/0x20
[  337.062765]  </IRQ>
[  337.065007] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  337.069943] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  337.088845] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.096557] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  337.103825] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  337.111094] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  337.118364] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  337.125631] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  337.132942]  skb_clone+0x1bb/0x500
[  337.136499]  ? finish_task_switch+0x1b5/0x900
[  337.141012]  ? skb_split+0x11e0/0x11e0
[  337.144908]  ? preempt_notifier_register+0x200/0x200
[  337.150055]  ? __switch_to_asm+0x34/0x70
[  337.154141]  ? __switch_to_asm+0x34/0x70
[  337.158205]  ? __switch_to_asm+0x40/0x70
[  337.162283]  ? __switch_to_asm+0x34/0x70
[  337.166364]  ? __switch_to_asm+0x40/0x70
[  337.170431]  ? __switch_to_asm+0x34/0x70
[  337.174514]  ? __switch_to_asm+0x40/0x70
[  337.178576]  ? __switch_to_asm+0x34/0x70
[  337.182639]  ? __switch_to_asm+0x34/0x70
[  337.186701]  ? __switch_to_asm+0x40/0x70
[  337.190763]  ? __switch_to_asm+0x34/0x70
[  337.194848]  bpf_clone_redirect+0xb9/0x490
[  337.199098]  ? __schedule+0x874/0x1ed0
[  337.202995]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  337.208025]  ? __sched_text_start+0x8/0x8
[  337.212191]  ? lockdep_hardirqs_on+0x421/0x5c0
[  337.216775]  ? retint_kernel+0x2d/0x2d
[  337.220676]  ? trace_hardirqs_on_caller+0xc0/0x310
[  337.225652]  ? find_held_lock+0x36/0x1c0
[  337.229725]  ? lock_acquire+0x1ed/0x520
[  337.233704]  ? bpf_test_run+0x3cb/0x780
[  337.237716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.243261]  ? check_preemption_disabled+0x48/0x200
[  337.248303]  ? kasan_check_read+0x11/0x20
[  337.252486]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  337.257768]  ? rcu_bh_qs+0xc0/0xc0
[  337.261331]  ? preempt_schedule+0x4d/0x60
[  337.265491]  ? ___preempt_schedule+0x16/0x18
[  337.269930]  ? bpf_test_run+0x25d/0x780
[  337.273919]  ? netlink_diag_dump+0x2a0/0x2a0
[  337.278341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.283876]  ? bpf_test_init.isra.9+0x70/0x100
[  337.288471]  ? bpf_prog_test_run_skb+0x634/0xb40
[  337.293248]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  337.298092]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  337.303632]  ? fput+0x130/0x1a0
[  337.306922]  ? __bpf_prog_get+0x9b/0x290
[  337.311002]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  337.315844]  ? bpf_prog_test_run+0x130/0x1a0
[  337.320255]  ? __x64_sys_bpf+0x3d8/0x510
[  337.324345]  ? bpf_prog_get+0x20/0x20
[  337.328169]  ? do_syscall_64+0x1b9/0x820
[  337.332245]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  337.337633]  ? syscall_return_slowpath+0x5e0/0x5e0
[  337.342568]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.347604]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  337.352637]  ? recalc_sigpending_tsk+0x180/0x180
[  337.357400]  ? kasan_check_write+0x14/0x20
[  337.361645]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.366503]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  337.371901] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  337.371988] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  337.379207] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  337.379213] Call Trace:
[  337.379219]  <IRQ>
[  337.379237]  dump_stack+0x1c4/0x2b4
[  337.379255]  ? dump_stack_print_info.cold.2+0x52/0x52
[  337.379282]  warn_alloc.cold.119+0xb7/0x1bd
[  337.385822] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  337.395114]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  337.397681] syz-executor4 cpuset=
[  337.399836]  ? lock_downgrade+0x900/0x900
[  337.403443] syz4
[  337.408633]  ? trace_hardirqs_off+0xb8/0x310
[  337.412936]  mems_allowed=0
[  337.423421]  ? trace_hardirqs_off+0xb8/0x310
[  337.449532]  __alloc_pages_slowpath+0x2667/0x2d80
[  337.454430]  ? warn_alloc+0x120/0x120
[  337.458269]  ? trace_hardirqs_on+0x310/0x310
[  337.462692]  ? warn_alloc+0x120/0x120
[  337.466519]  ? print_usage_bug+0xc0/0xc0
[  337.470584]  ? warn_alloc+0x120/0x120
[  337.474387]  ? ktime_get+0x2e1/0x440
[  337.478119]  ? print_usage_bug+0xc0/0xc0
[  337.482187]  ? __lock_acquire+0x7ec/0x4ec0
[  337.486441]  ? __lock_acquire+0x7ec/0x4ec0
[  337.490683]  ? kasan_check_read+0x11/0x20
[  337.494849]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  337.500395]  ? should_fail+0x22d/0xd01
[  337.504299]  ? rcu_bh_qs+0xc0/0xc0
[  337.507854]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.512978]  ? __lock_acquire+0x7ec/0x4ec0
[  337.517236]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  337.522344]  ? __lock_acquire+0x7ec/0x4ec0
[  337.526632]  ? should_fail+0x22d/0xd01
[  337.530523]  ? rcu_idle_enter+0x4b0/0x4b0
[  337.534684]  ? mark_held_locks+0x130/0x130
[  337.538927]  ? mark_held_locks+0x130/0x130
[  337.543170]  ? mark_held_locks+0xc7/0x130
[  337.547327]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  337.552371]  ? graph_lock+0x170/0x170
[  337.556196]  ? print_usage_bug+0xc0/0xc0
[  337.560263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.565848]  ? check_preemption_disabled+0x48/0x200
[  337.570878]  ? check_preemption_disabled+0x48/0x200
[  337.575904]  ? __lock_is_held+0xb5/0x140
[  337.580006]  __alloc_pages_nodemask+0xa80/0xde0
[  337.584688]  ? graph_lock+0x170/0x170
[  337.588511]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  337.593541]  ? graph_lock+0x170/0x170
[  337.597358]  ? find_held_lock+0x36/0x1c0
[  337.601452]  ? ____cache_alloc_node+0x1c7/0x1e0
[  337.606133]  ? lock_downgrade+0x900/0x900
[  337.610301]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.615877]  cache_grow_begin+0x91/0x8c0
[  337.619991]  ? do_raw_spin_unlock+0xa7/0x2f0
[  337.624412]  fallback_alloc+0x203/0x2e0
[  337.628399]  ____cache_alloc_node+0x1c7/0x1e0
[  337.632927]  kmem_cache_alloc_node+0xe3/0x730
[  337.637423]  ? ipv6_get_ifaddr+0x42e/0x620
[  337.641674]  __alloc_skb+0x119/0x770
[  337.645403]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  337.650704]  ? skb_scrub_packet+0x490/0x490
[  337.655024]  ? lock_downgrade+0x900/0x900
[  337.659184]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.664725]  ? refcount_sub_and_test_checked+0x203/0x310
[  337.670182]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  337.675636]  ? addrconf_rs_timer+0x690/0x690
[  337.680058]  ndisc_alloc_skb+0x144/0x340
[  337.684125]  ndisc_send_rs+0x331/0x6e0
[  337.688026]  addrconf_rs_timer+0x314/0x690
[  337.692269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.696530]  call_timer_fn+0x272/0x920
[  337.700420]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.704662]  ? process_timeout+0x40/0x40
[  337.708725]  ? find_held_lock+0x36/0x1c0
[  337.712830]  ? mark_held_locks+0xc7/0x130
[  337.716996]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.721495]  ? _raw_spin_unlock_irq+0x27/0x80
[  337.725993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.730229]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  337.734850]  ? trace_hardirqs_on+0xbd/0x310
[  337.739173]  ? kasan_check_read+0x11/0x20
[  337.743331]  ? __run_timers+0x7da/0xc70
[  337.747343]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  337.752836]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.757081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  337.761324]  __run_timers+0x7e5/0xc70
[  337.765148]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  337.770517]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  337.775556]  ? graph_lock+0x170/0x170
[  337.779377]  ? print_usage_bug+0xc0/0xc0
[  337.783440]  ? lock_release+0x970/0x970
[  337.787422]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  337.792623]  ? find_held_lock+0x36/0x1c0
[  337.796692]  ? graph_lock+0x170/0x170
[  337.800510]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.806050]  ? check_preemption_disabled+0x48/0x200
[  337.811082]  ? __lock_is_held+0xb5/0x140
[  337.815148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.820690]  ? check_preemption_disabled+0x48/0x200
[  337.825718]  run_timer_softirq+0x52/0xb0
[  337.829785]  ? rcu_read_lock_sched_held+0x108/0x120
[  337.834814]  __do_softirq+0x30b/0xad8
[  337.838640]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  337.843771]  ? pvclock_read_flags+0x160/0x160
[  337.848270]  ? lapic_next_event+0x5a/0x90
[  337.852429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.857968]  ? check_preemption_disabled+0x48/0x200
[  337.862987]  ? check_preemption_disabled+0x48/0x200
[  337.868016]  ? kvm_clock_read+0x18/0x30
[  337.871992]  ? kvm_sched_clock_read+0x9/0x20
[  337.876416]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.881958]  ? check_preemption_disabled+0x48/0x200
[  337.886999]  irq_exit+0x17f/0x1c0
[  337.890459]  smp_apic_timer_interrupt+0x1cb/0x760
[  337.895315]  ? smp_call_function_single_interrupt+0x650/0x650
[  337.901234]  ? interrupt_entry+0xb5/0xf0
[  337.905306]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.910324]  ? trace_hardirqs_off_caller+0xbb/0x310
[  337.915370]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.920218]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.925247]  ? trace_hardirqs_on_caller+0x310/0x310
[  337.930265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.935808]  ? check_preemption_disabled+0x48/0x200
[  337.940833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  337.946381]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  337.951236]  apic_timer_interrupt+0xf/0x20
[  337.955466]  </IRQ>
[  337.957716] RIP: 0010:lock_acquire+0x268/0x520
[  337.962318] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  337.981219] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  337.988956] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  337.996226] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  338.003546] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  338.010814] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  338.018089] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  338.025402]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.030962]  ? lock_release+0x970/0x970
[  338.034952]  ? activate_page+0x1040/0x1040
[  338.039196]  ? __unlock_page_memcg+0x53/0x100
[  338.043700]  ? check_preemption_disabled+0x48/0x200
[  338.048739]  lock_page_memcg+0x95/0x350
[  338.052728]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  338.057925]  ? rcu_bh_qs+0xc0/0xc0
[  338.061473]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  338.066676]  page_remove_rmap+0x855/0x1a30
[  338.070924]  ? page_add_file_rmap+0x1470/0x1470
[  338.075793]  ? __lock_is_held+0xb5/0x140
[  338.079884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.085426]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.090971]  ? lru_add_drain_cpu+0x1c0/0x500
[  338.095396]  ? free_pages_and_swap_cache+0x475/0x6f0
[  338.100541]  ? free_page_and_swap_cache+0x950/0x950
[  338.105593]  ? kasan_check_read+0x11/0x20
[  338.109746]  ? page_mapcount+0x3b5/0x5d0
[  338.113812]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  338.118664]  ? lock_downgrade+0x900/0x900
[  338.122826]  ? lock_release+0x970/0x970
[  338.126809]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  338.131854]  ? _vm_normal_page+0x161/0x3c0
[  338.136092]  ? __pte_alloc_kernel+0x220/0x220
[  338.140590]  ? kasan_check_write+0x14/0x20
[  338.144838]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  338.149857]  ? __tlb_remove_page_size+0x187/0x500
[  338.154719]  unmap_page_range+0xf14/0x2030
[  338.158986]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  338.163489]  ? search_extable+0x80/0xb0
[  338.167467]  ? trim_init_extable+0x3a0/0x3a0
[  338.171879]  ? __get_user_8+0x21/0x2b
[  338.175680]  ? print_usage_bug+0xc0/0xc0
[  338.179751]  ? __lock_acquire+0x7ec/0x4ec0
[  338.184497]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  338.190036]  ? no_context+0xd9/0x980
[  338.193751]  ? lock_downgrade+0x900/0x900
[  338.197903]  ? graph_lock+0x170/0x170
[  338.201718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.207257]  ? tlb_flush_mmu_free+0x135/0x1b0
[  338.211760]  ? find_held_lock+0x36/0x1c0
[  338.215849]  ? exit_mmap+0x4bb/0x590
[  338.219569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.225114]  ? uprobe_munmap+0x14c/0x450
[  338.229180]  ? uprobe_mmap+0xd50/0xd50
[  338.233069]  ? lock_release+0x970/0x970
[  338.237064]  ? arch_local_save_flags+0x40/0x40
[  338.241660]  ? rwsem_down_write_failed+0xe/0x10
[  338.246338]  ? rwsem_down_write_failed+0xe/0x10
[  338.251016]  ? call_rwsem_down_write_failed+0x17/0x30
[  338.256215]  unmap_single_vma+0x19b/0x310
[  338.260375]  unmap_vmas+0x125/0x200
[  338.264007]  exit_mmap+0x2be/0x590
[  338.267552]  ? __ia32_sys_munmap+0x80/0x80
[  338.271808]  ? __might_sleep+0x95/0x190
[  338.275803]  mmput+0x247/0x610
[  338.279039]  ? lock_downgrade+0x900/0x900
[  338.283187]  ? set_mm_exe_file+0x200/0x200
[  338.287433]  ? kasan_check_read+0x11/0x20
[  338.291586]  ? do_raw_spin_unlock+0xa7/0x2f0
[  338.295996]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  338.300583]  ? kasan_check_write+0x14/0x20
[  338.304827]  ? do_raw_spin_lock+0xc1/0x200
[  338.309077]  do_exit+0xe6f/0x2610
[  338.312533]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  338.317600]  ? mm_update_next_owner+0x990/0x990
[  338.322272]  ? print_usage_bug+0xc0/0xc0
[  338.326352]  ? graph_lock+0x170/0x170
[  338.330163]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.335733]  ? check_preemption_disabled+0x48/0x200
[  338.340764]  ? check_preemption_disabled+0x48/0x200
[  338.345813]  ? print_usage_bug+0xc0/0xc0
[  338.349893]  ? __lock_acquire+0x7ec/0x4ec0
[  338.354138]  ? __lock_acquire+0x7ec/0x4ec0
[  338.358403]  ? mark_held_locks+0x130/0x130
[  338.362650]  ? mark_held_locks+0x130/0x130
[  338.366898]  ? kasan_check_write+0x14/0x20
[  338.371147]  ? finish_task_switch+0x2f5/0x900
[  338.375647]  ? __switch_to_asm+0x40/0x70
[  338.379736]  ? __switch_to_asm+0x34/0x70
[  338.383804]  ? __switch_to_asm+0x34/0x70
[  338.387877]  ? __switch_to_asm+0x40/0x70
[  338.391942]  ? __switch_to_asm+0x34/0x70
[  338.396003]  ? __switch_to_asm+0x40/0x70
[  338.400066]  ? __switch_to_asm+0x34/0x70
[  338.404133]  ? __switch_to_asm+0x34/0x70
[  338.408198]  ? __switch_to_asm+0x34/0x70
[  338.412264]  ? __switch_to_asm+0x34/0x70
[  338.416333]  ? __switch_to_asm+0x40/0x70
[  338.420412]  ? __switch_to_asm+0x34/0x70
[  338.424474]  ? __switch_to_asm+0x40/0x70
[  338.428546]  ? graph_lock+0x170/0x170
[  338.432345]  ? graph_lock+0x170/0x170
[  338.436156]  ? graph_lock+0x170/0x170
[  338.439978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.445517]  ? wait_consider_task+0x245/0x3bb0
[  338.450104]  ? memset+0x31/0x40
[  338.453399]  ? find_held_lock+0x36/0x1c0
[  338.457493]  ? get_signal+0x95b/0x1980
[  338.461392]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.465890]  ? _raw_spin_unlock_irq+0x27/0x80
[  338.470398]  do_group_exit+0x177/0x440
[  338.474303]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  338.479760]  ? __ia32_sys_exit+0x50/0x50
[  338.483845]  get_signal+0x8b0/0x1980
[  338.487574]  ? ptrace_notify+0x130/0x130
[  338.491638]  ? do_wait+0x57d/0xb90
[  338.495184]  ? wait_consider_task+0x3bb0/0x3bb0
[  338.499878]  ? graph_lock+0x170/0x170
[  338.503681]  ? graph_lock+0x170/0x170
[  338.507495]  ? graph_lock+0x170/0x170
[  338.511321]  do_signal+0x9c/0x21e0
[  338.514869]  ? find_held_lock+0x36/0x1c0
[  338.518959]  ? setup_sigcontext+0x7d0/0x7d0
[  338.523288]  ? kernel_wait4+0x2e0/0x3f0
[  338.527288]  ? __ia32_sys_waitid+0x140/0x140
[  338.531735]  ? task_stopped_code+0x190/0x190
[  338.536156]  ? exit_to_usermode_loop+0x8c/0x380
[  338.540849]  ? __do_page_fault+0x4a6/0xed0
[  338.545093]  ? do_syscall_64+0x9a/0x820
[  338.549069]  ? do_syscall_64+0x9a/0x820
[  338.553061]  exit_to_usermode_loop+0x2e5/0x380
[  338.557651]  ? syscall_slow_exit_work+0x520/0x520
[  338.562513]  do_syscall_64+0x6be/0x820
[  338.566404]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  338.571769]  ? syscall_return_slowpath+0x5e0/0x5e0
[  338.576698]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.581556]  ? trace_hardirqs_on_caller+0x310/0x310
[  338.586578]  ? prepare_exit_to_usermode+0x291/0x3b0
[  338.591611]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  338.596465]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  338.601656] RIP: 0033:0x41124a
[  338.604856] Code: Bad RIP value.
[  338.608216] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  338.615927] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  338.623195] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  338.630463] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  338.637743] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  338.645129] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  338.652447] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  338.652453] warn_alloc_show_mem: 1 callbacks suppressed
[  338.652460] Mem-Info:
[  338.659751] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  338.665129] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  338.665129]  active_file:8 inactive_file:19 isolated_file:0
[  338.665129]  unevictable:0 dirty:0 writeback:0 unstable:0
[  338.665129]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  338.665129]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  338.665129]  free:13709 free_pcp:257 free_cma:0
[  338.667503] Call Trace:
[  338.676890] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  338.709843]  <IRQ>
[  338.712429] Node 0 
[  338.740102]  dump_stack+0x1c4/0x2b4
[  338.742254] 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
[  338.744464]  ? dump_stack_print_info.cold.2+0x52/0x52
[  338.748076] lowmem_reserve[]:
[  338.773593]  warn_alloc.cold.119+0xb7/0x1bd
[  338.778756]  0
[  338.781882]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  338.786220]  2819
[  338.788029]  ? lock_downgrade+0x900/0x900
[  338.792851]  6323
[  338.794932]  ? trace_hardirqs_off+0xb8/0x310
[  338.799053]  6323
[  338.801155]  ? trace_hardirqs_off+0xb8/0x310
[  338.805553] Node 0 
[  338.807639]  __alloc_pages_slowpath+0x2667/0x2d80
[  338.812044] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  338.814301]  ? warn_alloc+0x120/0x120
[  338.819097] lowmem_reserve[]:
[  338.845816]  ? warn_alloc+0x120/0x120
[  338.849599]  0
[  338.852706]  ? print_usage_bug+0xc0/0xc0
[  338.856496]  0
[  338.858333]  ? warn_alloc+0x120/0x120
[  338.862370]  3503
[  338.864174]  ? print_usage_bug+0xc0/0xc0
[  338.867956]  3503
[  338.870020]  ? __lock_acquire+0x7ec/0x4ec0
[  338.876129]  ? __lock_acquire+0x7ec/0x4ec0
[  338.880358] Node 0 
[  338.884587]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  338.884617] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  338.884624] lowmem_reserve[]:
[  338.886872]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  338.892420]  0 0
[  338.920798]  ? should_fail+0x22d/0xd01
[  338.923883]  0
[  338.929426]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.931376]  0
[  338.935270]  ? __lock_acquire+0x7ec/0x4ec0
[  338.937053] Node 0 
[  338.942162]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  338.943941] DMA: 
[  338.948185]  ? __lock_acquire+0x7ec/0x4ec0
[  338.950420] 1*4kB 
[  338.955549]  ? should_fail+0x22d/0xd01
[  338.957592] (U) 
[  338.961831]  ? mark_held_locks+0x130/0x130
[  338.963964] 0*8kB 
[  338.967846]  ? mark_held_locks+0x130/0x130
[  338.969803] 0*16kB 
[  338.974044]  ? graph_lock+0x170/0x170
[  338.976171] 1*32kB 
[  338.980401]  ? print_usage_bug+0xc0/0xc0
[  338.982614] (U) 
[  338.986407]  ? graph_lock+0x170/0x170
[  338.988628] 2*64kB 
[  338.992681]  ? print_usage_bug+0xc0/0xc0
[  338.994640] (U) 
[  338.998443]  ? wq_watchdog_touch+0x9c/0xfe
[  339.000670] 1*128kB 
[  339.004726]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.006677] (U) 
[  339.010912]  ? check_preemption_disabled+0x48/0x200
[  339.013214] 1*256kB 
[  339.018748]  ? check_preemption_disabled+0x48/0x200
[  339.020718] (U) 
[  339.025762]  ? __lock_is_held+0xb5/0x140
[  339.028060] 0*512kB 
[  339.033094]  __alloc_pages_nodemask+0xa80/0xde0
[  339.035047] 1*1024kB 
[  339.039107]  ? graph_lock+0x170/0x170
[  339.041415] (U) 
[  339.046084]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  339.048476] 1*2048kB 
[  339.052271]  ? graph_lock+0x170/0x170
[  339.054228] (M) 
[  339.059252]  ? find_held_lock+0x36/0x1c0
[  339.061640] 3*4096kB 
[  339.065444]  ? ____cache_alloc_node+0x1c7/0x1e0
[  339.067397] (M) 
[  339.071462]  ? lock_downgrade+0x900/0x900
[  339.073866] = 15908kB
[  339.078537]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.080506] Node 0 
[  339.084660]  cache_grow_begin+0x91/0x8c0
[  339.087052] DMA32: 
[  339.092589]  ? do_raw_spin_unlock+0xa7/0x2f0
[  339.094814] 4*4kB 
[  339.098876]  fallback_alloc+0x203/0x2e0
[  339.101091] (UM) 
[  339.105503]  ____cache_alloc_node+0x1c7/0x1e0
[  339.107634] 2*8kB 
[  339.111606]  kmem_cache_alloc_node+0xe3/0x730
[  339.113647] (UM) 
[  339.118140]  ? ipv6_get_ifaddr+0x42e/0x620
[  339.120270] 2*16kB 
[  339.124793]  __alloc_skb+0x119/0x770
[  339.126834] (M) 
[  339.131076]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  339.133290] 3*32kB 
[  339.137026]  ? skb_scrub_packet+0x490/0x490
[  339.138987] (UM) 
[  339.144266]  ? lock_downgrade+0x900/0x900
[  339.146509] 5*64kB 
[  339.150831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.152888] (UM) 
[  339.157040]  ? refcount_sub_and_test_checked+0x203/0x310
[  339.159280] 4*128kB 
[  339.164834]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  339.166880] (UM) 
[  339.172336]  ? addrconf_rs_timer+0x690/0x690
[  339.174639] 4*256kB 
[  339.180091]  ndisc_alloc_skb+0x144/0x340
[  339.182162] (UM) 
[  339.186571]  ndisc_send_rs+0x331/0x6e0
[  339.188876] 3*512kB 
[  339.192936]  addrconf_rs_timer+0x314/0x690
[  339.194980] (M) 
[  339.198866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.201164] 3*1024kB (UM) 
[  339.205416]  call_timer_fn+0x272/0x920
[  339.207369] 3*2048kB 
[  339.211617]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.214444] (M) 
[  339.218341]  ? process_timeout+0x40/0x40
[  339.220729] 3*4096kB 
[  339.224960]  ? find_held_lock+0x36/0x1c0
[  339.226927] (M) 
[  339.231001]  ? __run_timers+0x7da/0xc70
[  339.233384] = 25056kB
[  339.237448]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.239414] Node 0 
[  339.243385]  ? _raw_spin_unlock_irq+0x27/0x80
[  339.245776] Normal: 
[  339.250269]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.252487] 798*4kB 
[  339.256998]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  339.259308] (ME) 
[  339.263553]  ? trace_hardirqs_on+0xbd/0x310
[  339.265859] 471*8kB 
[  339.270443]  ? kasan_check_read+0x11/0x20
[  339.272483] (UME) 
[  339.276804]  ? __run_timers+0x7da/0xc70
[  339.279107] 208*16kB 
[  339.283256]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  339.285385] (UME) 
[  339.289362]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.291766] 76*32kB 
[  339.297247]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  339.299380] (UME) 
[  339.303618]  __run_timers+0x7e5/0xc70
[  339.305918] 4*64kB 
[  339.310168]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  339.312287] (M) 
[  339.316114]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  339.318328] 1*128kB (U) 
[  339.323730]  ? graph_lock+0x170/0x170
[  339.325689] 1*256kB 
[  339.330714]  ? enqueue_hrtimer+0x1a5/0x560
[  339.333368] (U) 
[  339.337181]  ? lock_release+0x970/0x970
[  339.339484] 1*512kB 
[  339.343727]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  339.345682] (U) 
[  339.349658]  ? find_held_lock+0x36/0x1c0
[  339.351965] 0*1024kB 
[  339.357154]  ? graph_lock+0x170/0x170
[  339.359113] 0*2048kB 
[  339.363176]  ? pvclock_read_flags+0x160/0x160
[  339.365561] 0*4096kB = 13872kB
[  339.369400]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.371793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  339.376284]  ? check_preemption_disabled+0x48/0x200
[  339.379484] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  339.385038]  ? __lock_is_held+0xb5/0x140
[  339.393853] 1299 total pagecache pages
[  339.398871]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.407427] 0 pages in swap cache
[  339.411497]  ? check_preemption_disabled+0x48/0x200
[  339.415367] Swap cache stats: add 0, delete 0, find 0/0
[  339.420905]  run_timer_softirq+0x52/0xb0
[  339.424325] Free swap  = 0kB
[  339.424335] Total swap = 0kB
[  339.429356]  ? rcu_read_lock_sched_held+0x108/0x120
[  339.434697] 1965979 pages RAM
[  339.438756]  __do_softirq+0x30b/0xad8
[  339.441750] 0 pages HighMem/MovableOnly
[  339.441759] 342306 pages reserved
[  339.444807]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  339.449832] 0 pages cma reserved
[  339.452939]  ? pvclock_read_flags+0x160/0x160
[  339.456829] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.460705]  ? lapic_next_event+0x5a/0x90
[  339.460722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.460742]  ? check_preemption_disabled+0x48/0x200
[  339.464246] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.469285]  ? check_preemption_disabled+0x48/0x200
[  339.472641] syz-executor1 cpuset=
[  339.477142]  ? kvm_clock_read+0x18/0x30
[  339.483613] /
[  339.487764]  ? kvm_sched_clock_read+0x9/0x20
[  339.493282]  mems_allowed=0
[  339.498316]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.535738]  ? check_preemption_disabled+0x48/0x200
[  339.540776]  irq_exit+0x17f/0x1c0
[  339.544236]  smp_apic_timer_interrupt+0x1cb/0x760
[  339.549083]  ? smp_reschedule_interrupt+0x109/0x650
[  339.554105]  ? smp_call_function_single_interrupt+0x650/0x650
[  339.559998]  ? interrupt_entry+0xb5/0xf0
[  339.564064]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.569082]  ? trace_hardirqs_off_caller+0xbb/0x310
[  339.574104]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.578969]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.583985]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.589001]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.594551]  ? check_preemption_disabled+0x48/0x200
[  339.599567]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.605117]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.610022]  apic_timer_interrupt+0xf/0x20
[  339.614256]  </IRQ>
[  339.616509] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  339.621443] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  339.640348] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  339.648060] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  339.655337] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  339.662605] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  339.669898] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  339.677172] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  339.684497]  skb_clone+0x1bb/0x500
[  339.688041]  ? finish_task_switch+0x1b5/0x900
[  339.692542]  ? skb_split+0x11e0/0x11e0
[  339.696459]  ? preempt_notifier_register+0x200/0x200
[  339.701568]  ? __switch_to_asm+0x34/0x70
[  339.705631]  ? __switch_to_asm+0x34/0x70
[  339.709692]  ? __switch_to_asm+0x40/0x70
[  339.713792]  ? __switch_to_asm+0x34/0x70
[  339.717867]  ? __switch_to_asm+0x40/0x70
[  339.721929]  ? __switch_to_asm+0x34/0x70
[  339.725990]  ? __switch_to_asm+0x40/0x70
[  339.730049]  ? __switch_to_asm+0x34/0x70
[  339.734114]  ? __switch_to_asm+0x34/0x70
[  339.738189]  ? __switch_to_asm+0x40/0x70
[  339.742253]  ? __switch_to_asm+0x34/0x70
[  339.746340]  bpf_clone_redirect+0xb9/0x490
[  339.750578]  ? __schedule+0x874/0x1ed0
[  339.754471]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  339.759508]  ? __sched_text_start+0x8/0x8
[  339.763663]  ? lockdep_hardirqs_on+0x421/0x5c0
[  339.768245]  ? retint_kernel+0x2d/0x2d
[  339.772167]  ? trace_hardirqs_on_caller+0xc0/0x310
[  339.777110]  ? find_held_lock+0x36/0x1c0
[  339.781182]  ? lock_acquire+0x1ed/0x520
[  339.785188]  ? bpf_test_run+0x3cb/0x780
[  339.789178]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  339.794717]  ? check_preemption_disabled+0x48/0x200
[  339.799740]  ? kasan_check_read+0x11/0x20
[  339.803896]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  339.809178]  ? rcu_bh_qs+0xc0/0xc0
[  339.812739]  ? preempt_schedule+0x4d/0x60
[  339.816891]  ? ___preempt_schedule+0x16/0x18
[  339.821333]  ? bpf_test_run+0x25d/0x780
[  339.825336]  ? netlink_diag_dump+0x2a0/0x2a0
[  339.829753]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  339.835312]  ? bpf_test_init.isra.9+0x70/0x100
[  339.839916]  ? bpf_prog_test_run_skb+0x634/0xb40
[  339.844694]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  339.849551]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  339.855092]  ? fput+0x130/0x1a0
[  339.858376]  ? __bpf_prog_get+0x9b/0x290
[  339.862448]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  339.867291]  ? bpf_prog_test_run+0x130/0x1a0
[  339.871737]  ? __x64_sys_bpf+0x3d8/0x510
[  339.875802]  ? bpf_prog_get+0x20/0x20
[  339.879628]  ? do_syscall_64+0x1b9/0x820
[  339.883708]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  339.889087]  ? syscall_return_slowpath+0x5e0/0x5e0
[  339.894029]  ? trace_hardirqs_on_caller+0x310/0x310
[  339.899062]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  339.904093]  ? recalc_sigpending_tsk+0x180/0x180
[  339.908852]  ? kasan_check_write+0x14/0x20
[  339.913101]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  339.917971]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  339.923364] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  339.923488] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  339.930672] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  339.930678] Call Trace:
[  339.930686]  <IRQ>
[  339.930704]  dump_stack+0x1c4/0x2b4
[  339.930729]  ? dump_stack_print_info.cold.2+0x52/0x52
[  339.937308] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  339.946568]  warn_alloc.cold.119+0xb7/0x1bd
[  339.949126] syz-executor4 cpuset=
[  339.951278]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  339.954897] syz4
[  339.960090]  ? lock_downgrade+0x900/0x900
[  339.970556]  mems_allowed=0
[  339.974881]  ? trace_hardirqs_off+0xb8/0x310
[  339.996614]  ? trace_hardirqs_off+0xb8/0x310
[  340.001036]  __alloc_pages_slowpath+0x2667/0x2d80
[  340.005929]  ? warn_alloc+0x120/0x120
[  340.009752]  ? lock_release+0x970/0x970
[  340.013775]  ? warn_alloc+0x120/0x120
[  340.017579]  ? print_usage_bug+0xc0/0xc0
[  340.021647]  ? warn_alloc+0x120/0x120
[  340.025454]  ? print_usage_bug+0xc0/0xc0
[  340.029541]  ? __lock_acquire+0x7ec/0x4ec0
[  340.033780]  ? __lock_acquire+0x7ec/0x4ec0
[  340.038019]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.043559]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.049114]  ? should_fail+0x22d/0xd01
[  340.053024]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.058132]  ? __lock_acquire+0x7ec/0x4ec0
[  340.062373]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  340.067478]  ? __lock_acquire+0x7ec/0x4ec0
[  340.071716]  ? should_fail+0x22d/0xd01
[  340.075837]  ? mark_held_locks+0x130/0x130
[  340.080077]  ? mark_held_locks+0x130/0x130
[  340.084349]  ? graph_lock+0x170/0x170
[  340.088153]  ? print_usage_bug+0xc0/0xc0
[  340.092214]  ? graph_lock+0x170/0x170
[  340.096014]  ? print_usage_bug+0xc0/0xc0
[  340.100074]  ? wq_watchdog_touch+0x9c/0xfe
[  340.104319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.109863]  ? check_preemption_disabled+0x48/0x200
[  340.114880]  ? check_preemption_disabled+0x48/0x200
[  340.119922]  ? __lock_is_held+0xb5/0x140
[  340.124019]  __alloc_pages_nodemask+0xa80/0xde0
[  340.128699]  ? graph_lock+0x170/0x170
[  340.132522]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  340.137543]  ? graph_lock+0x170/0x170
[  340.141374]  ? find_held_lock+0x36/0x1c0
[  340.145470]  ? ____cache_alloc_node+0x1c7/0x1e0
[  340.150147]  ? lock_downgrade+0x900/0x900
[  340.154317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.159865]  cache_grow_begin+0x91/0x8c0
[  340.163933]  ? do_raw_spin_unlock+0xa7/0x2f0
[  340.168353]  fallback_alloc+0x203/0x2e0
[  340.172346]  ____cache_alloc_node+0x1c7/0x1e0
[  340.176851]  kmem_cache_alloc_node+0xe3/0x730
[  340.181869]  ? ipv6_get_ifaddr+0x42e/0x620
[  340.186131]  __alloc_skb+0x119/0x770
[  340.189857]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  340.195146]  ? skb_scrub_packet+0x490/0x490
[  340.199484]  ? lock_downgrade+0x900/0x900
[  340.203650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.209193]  ? refcount_sub_and_test_checked+0x203/0x310
[  340.214648]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  340.220107]  ? addrconf_rs_timer+0x690/0x690
[  340.224534]  ndisc_alloc_skb+0x144/0x340
[  340.228607]  ndisc_send_rs+0x331/0x6e0
[  340.232504]  addrconf_rs_timer+0x314/0x690
[  340.236749]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.241003]  call_timer_fn+0x272/0x920
[  340.244894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.249161]  ? process_timeout+0x40/0x40
[  340.253235]  ? find_held_lock+0x36/0x1c0
[  340.257360]  ? mark_held_locks+0xc7/0x130
[  340.261531]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.266031]  ? _raw_spin_unlock_irq+0x27/0x80
[  340.270532]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.274772]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  340.279381]  ? trace_hardirqs_on+0xbd/0x310
[  340.283716]  ? kasan_check_read+0x11/0x20
[  340.287890]  ? __run_timers+0x7da/0xc70
[  340.291876]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  340.297337]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.301577]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  340.305831]  __run_timers+0x7e5/0xc70
[  340.309655]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  340.315039]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.320056]  ? graph_lock+0x170/0x170
[  340.323866]  ? print_usage_bug+0xc0/0xc0
[  340.327930]  ? lock_release+0x970/0x970
[  340.331905]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  340.337105]  ? find_held_lock+0x36/0x1c0
[  340.341170]  ? graph_lock+0x170/0x170
[  340.344985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.350526]  ? check_preemption_disabled+0x48/0x200
[  340.355568]  ? __lock_is_held+0xb5/0x140
[  340.359636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.365301]  ? check_preemption_disabled+0x48/0x200
[  340.370333]  run_timer_softirq+0x52/0xb0
[  340.374398]  ? rcu_read_lock_sched_held+0x108/0x120
[  340.379417]  __do_softirq+0x30b/0xad8
[  340.383230]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  340.388341]  ? pvclock_read_flags+0x160/0x160
[  340.392854]  ? lapic_next_event+0x5a/0x90
[  340.397016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.402553]  ? check_preemption_disabled+0x48/0x200
[  340.407571]  ? check_preemption_disabled+0x48/0x200
[  340.412609]  ? kvm_clock_read+0x18/0x30
[  340.416590]  ? kvm_sched_clock_read+0x9/0x20
[  340.421011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.426558]  ? check_preemption_disabled+0x48/0x200
[  340.431646]  irq_exit+0x17f/0x1c0
[  340.435148]  smp_apic_timer_interrupt+0x1cb/0x760
[  340.439997]  ? smp_call_function_single_interrupt+0x650/0x650
[  340.445900]  ? interrupt_entry+0xb5/0xf0
[  340.449979]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.454992]  ? trace_hardirqs_off_caller+0xbb/0x310
[  340.460016]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.464872]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.469894]  ? trace_hardirqs_on_caller+0x310/0x310
[  340.474915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.480457]  ? check_preemption_disabled+0x48/0x200
[  340.485489]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.491034]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  340.495890]  apic_timer_interrupt+0xf/0x20
[  340.500118]  </IRQ>
[  340.502358] RIP: 0010:lock_acquire+0x268/0x520
[  340.506944] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  340.525852] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  340.533563] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  340.540837] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  340.548107] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  340.555377] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  340.562648] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  340.569947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.575492]  ? lock_release+0x970/0x970
[  340.579472]  ? activate_page+0x1040/0x1040
[  340.583746]  ? __unlock_page_memcg+0x53/0x100
[  340.588284]  ? check_preemption_disabled+0x48/0x200
[  340.593348]  lock_page_memcg+0x95/0x350
[  340.597335]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  340.602544]  ? rcu_bh_qs+0xc0/0xc0
[  340.606090]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  340.611322]  page_remove_rmap+0x855/0x1a30
[  340.615595]  ? page_add_file_rmap+0x1470/0x1470
[  340.620267]  ? __lock_is_held+0xb5/0x140
[  340.624349]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.629894]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  340.635441]  ? lru_add_drain_cpu+0x1c0/0x500
[  340.639863]  ? free_pages_and_swap_cache+0x475/0x6f0
[  340.644976]  ? free_page_and_swap_cache+0x950/0x950
[  340.650009]  ? kasan_check_read+0x11/0x20
[  340.654161]  ? page_mapcount+0x3b5/0x5d0
[  340.658256]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  340.663135]  ? lock_downgrade+0x900/0x900
[  340.667307]  ? lock_release+0x970/0x970
[  340.671300]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  340.676327]  ? _vm_normal_page+0x161/0x3c0
[  340.680569]  ? __pte_alloc_kernel+0x220/0x220
[  340.685097]  ? kasan_check_write+0x14/0x20
[  340.689341]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  340.694362]  ? __tlb_remove_page_size+0x187/0x500
[  340.699309]  unmap_page_range+0xf14/0x2030
[  340.703580]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  340.708119]  ? search_extable+0x80/0xb0
[  340.712118]  ? trim_init_extable+0x3a0/0x3a0
[  340.716554]  ? __get_user_8+0x21/0x2b
[  340.720388]  ? print_usage_bug+0xc0/0xc0
[  340.724462]  ? __lock_acquire+0x7ec/0x4ec0
[  340.728726]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  340.734279]  ? no_context+0xd9/0x980
[  340.738001]  ? lock_downgrade+0x900/0x900
[  340.742150]  ? graph_lock+0x170/0x170
[  340.745959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.751503]  ? tlb_flush_mmu_free+0x135/0x1b0
[  340.756021]  ? find_held_lock+0x36/0x1c0
[  340.760094]  ? exit_mmap+0x4bb/0x590
[  340.763816]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  340.769362]  ? uprobe_munmap+0x14c/0x450
[  340.773428]  ? uprobe_mmap+0xd50/0xd50
[  340.777337]  ? lock_release+0x970/0x970
[  340.781325]  ? arch_local_save_flags+0x40/0x40
[  340.785919]  ? rwsem_down_write_failed+0xe/0x10
[  340.790589]  ? rwsem_down_write_failed+0xe/0x10
[  340.795259]  ? call_rwsem_down_write_failed+0x17/0x30
[  340.800458]  unmap_single_vma+0x19b/0x310
[  340.804620]  unmap_vmas+0x125/0x200
[  340.808253]  exit_mmap+0x2be/0x590
[  340.811812]  ? __ia32_sys_munmap+0x80/0x80
[  340.816077]  ? __might_sleep+0x95/0x190
[  340.820075]  mmput+0x247/0x610
[  340.823283]  ? lock_downgrade+0x900/0x900
[  340.827447]  ? set_mm_exe_file+0x200/0x200
[  340.831691]  ? kasan_check_read+0x11/0x20
[  340.835850]  ? do_raw_spin_unlock+0xa7/0x2f0
[  340.840268]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  340.844867]  ? kasan_check_write+0x14/0x20
[  340.849107]  ? do_raw_spin_lock+0xc1/0x200
[  340.853354]  do_exit+0xe6f/0x2610
[  340.856817]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  340.861854]  ? mm_update_next_owner+0x990/0x990
[  340.866534]  ? print_usage_bug+0xc0/0xc0
[  340.870596]  ? graph_lock+0x170/0x170
[  340.874407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.879954]  ? check_preemption_disabled+0x48/0x200
[  340.884972]  ? check_preemption_disabled+0x48/0x200
[  340.890003]  ? print_usage_bug+0xc0/0xc0
[  340.894098]  ? __lock_acquire+0x7ec/0x4ec0
[  340.898373]  ? __lock_acquire+0x7ec/0x4ec0
[  340.902669]  ? mark_held_locks+0x130/0x130
[  340.906915]  ? mark_held_locks+0x130/0x130
[  340.911164]  ? kasan_check_write+0x14/0x20
[  340.915415]  ? finish_task_switch+0x2f5/0x900
[  340.919927]  ? __switch_to_asm+0x40/0x70
[  340.923997]  ? __switch_to_asm+0x34/0x70
[  340.928070]  ? __switch_to_asm+0x34/0x70
[  340.932200]  ? __switch_to_asm+0x40/0x70
[  340.936266]  ? __switch_to_asm+0x34/0x70
[  340.940349]  ? __switch_to_asm+0x40/0x70
[  340.944414]  ? __switch_to_asm+0x34/0x70
[  340.948493]  ? __switch_to_asm+0x34/0x70
[  340.952558]  ? __switch_to_asm+0x34/0x70
[  340.956650]  ? __switch_to_asm+0x34/0x70
[  340.960730]  ? __switch_to_asm+0x40/0x70
[  340.964805]  ? __switch_to_asm+0x34/0x70
[  340.968871]  ? __switch_to_asm+0x40/0x70
[  340.972940]  ? graph_lock+0x170/0x170
[  340.976744]  ? graph_lock+0x170/0x170
[  340.980552]  ? graph_lock+0x170/0x170
[  340.984361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  340.989912]  ? wait_consider_task+0x245/0x3bb0
[  340.994500]  ? memset+0x31/0x40
[  340.997806]  ? find_held_lock+0x36/0x1c0
[  341.001899]  ? get_signal+0x95b/0x1980
[  341.005792]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.010304]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.014938]  do_group_exit+0x177/0x440
[  341.018840]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.024305]  ? __ia32_sys_exit+0x50/0x50
[  341.028388]  get_signal+0x8b0/0x1980
[  341.032118]  ? ptrace_notify+0x130/0x130
[  341.036184]  ? do_wait+0x57d/0xb90
[  341.039768]  ? wait_consider_task+0x3bb0/0x3bb0
[  341.044439]  ? graph_lock+0x170/0x170
[  341.048239]  ? graph_lock+0x170/0x170
[  341.052043]  ? graph_lock+0x170/0x170
[  341.055868]  do_signal+0x9c/0x21e0
[  341.059438]  ? find_held_lock+0x36/0x1c0
[  341.063510]  ? setup_sigcontext+0x7d0/0x7d0
[  341.067845]  ? kernel_wait4+0x2e0/0x3f0
[  341.071830]  ? __ia32_sys_waitid+0x140/0x140
[  341.076244]  ? task_stopped_code+0x190/0x190
[  341.080658]  ? exit_to_usermode_loop+0x8c/0x380
[  341.085360]  ? __do_page_fault+0x4a6/0xed0
[  341.089618]  ? do_syscall_64+0x9a/0x820
[  341.093619]  ? do_syscall_64+0x9a/0x820
[  341.097597]  exit_to_usermode_loop+0x2e5/0x380
[  341.102185]  ? syscall_slow_exit_work+0x520/0x520
[  341.107043]  do_syscall_64+0x6be/0x820
[  341.110934]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  341.116312]  ? syscall_return_slowpath+0x5e0/0x5e0
[  341.121257]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.126101]  ? trace_hardirqs_on_caller+0x310/0x310
[  341.131122]  ? prepare_exit_to_usermode+0x291/0x3b0
[  341.136150]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  341.141007]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  341.146208] RIP: 0033:0x41124a
[  341.149407] Code: Bad RIP value.
[  341.152765] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  341.160474] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  341.167751] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  341.175014] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  341.182288] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  341.189566] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  341.196864] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  341.196870] warn_alloc_show_mem: 1 callbacks suppressed
[  341.196877] Mem-Info:
[  341.204159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  341.209535] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  341.209535]  active_file:8 inactive_file:19 isolated_file:0
[  341.209535]  unevictable:0 dirty:0 writeback:0 unstable:0
[  341.209535]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  341.209535]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  341.209535]  free:13709 free_pcp:257 free_cma:0
[  341.211912] Call Trace:
[  341.221319] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  341.254256]  <IRQ>
[  341.256840] Node 0 
[  341.284511]  dump_stack+0x1c4/0x2b4
[  341.286677] 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
[  341.288887]  ? dump_stack_print_info.cold.2+0x52/0x52
[  341.292487] lowmem_reserve[]: 0
[  341.318006]  warn_alloc.cold.119+0xb7/0x1bd
[  341.323164]  2819
[  341.326461]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  341.330784]  6323
[  341.332862]  ? lock_downgrade+0x900/0x900
[  341.337676]  6323
[  341.339770]  ? trace_hardirqs_off+0xb8/0x310
[  341.343905] Node 0 
[  341.345985]  ? trace_hardirqs_off+0xb8/0x310
[  341.350400] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  341.352617]  __alloc_pages_slowpath+0x2667/0x2d80
[  341.356992] lowmem_reserve[]: 0
[  341.383742]  ? warn_alloc+0x120/0x120
[  341.388550]  0
[  341.391828]  ? warn_alloc+0x120/0x120
[  341.395623]  3503
[  341.397424]  ? print_usage_bug+0xc0/0xc0
[  341.401203]  3503
[  341.403276]  ? warn_alloc+0x120/0x120
[  341.409396]  ? print_usage_bug+0xc0/0xc0
[  341.413179] Node 0 Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  341.417259]  ? graph_lock+0x170/0x170
[  341.417278]  ? kvm_sched_clock_read+0x9/0x20
[  341.446357] lowmem_reserve[]: 0
[  341.450183]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  341.454567]  0
[  341.457857]  ? should_fail+0x22d/0xd01
[  341.463369]  0
[  341.465169]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.469033]  0
[  341.470844]  ? __lock_acquire+0x7ec/0x4ec0
[  341.477728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  341.481940] Node 0 
[  341.487034]  ? __lock_acquire+0x7ec/0x4ec0
[  341.487044] DMA: 
[  341.489289]  ? should_fail+0x22d/0xd01
[  341.493512] 1*4kB 
[  341.495579]  ? mark_held_locks+0x130/0x130
[  341.499437] (U) 
[  341.501583]  ? mark_held_locks+0x130/0x130
[  341.505788] 0*8kB 0*16kB 
[  341.507789]  ? select_task_rq_fair+0x754/0x3500
[  341.511994] 1*32kB (U) 
[  341.514761]  ? lock_downgrade+0x900/0x900
[  341.519423] 2*64kB (U) 
[  341.522036]  ? check_preemption_disabled+0x48/0x200
[  341.526161] 1*128kB 
[  341.528736]  ? graph_lock+0x170/0x170
[  341.533760] (U) 
[  341.536081]  ? print_usage_bug+0xc0/0xc0
[  341.539862] 1*256kB 
[  341.541841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.545880] (U) 
[  341.548201]  ? check_preemption_disabled+0x48/0x200
[  341.553709] 0*512kB 1*1024kB 
[  341.555693]  ? check_preemption_disabled+0x48/0x200
[  341.560683] (U) 
[  341.563810]  ? __lock_is_held+0xb5/0x140
[  341.568839] 1*2048kB 
[  341.570815]  __alloc_pages_nodemask+0xa80/0xde0
[  341.574871] (M) 
[  341.577283]  ? graph_lock+0x170/0x170
[  341.581937] 3*4096kB 
[  341.583909]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  341.587700] (M) 
[  341.590114]  ? graph_lock+0x170/0x170
[  341.595138] = 15908kB
[  341.597134]  ? find_held_lock+0x36/0x1c0
[  341.600925] Node 0 
[  341.603365]  ? ____cache_alloc_node+0x1c7/0x1e0
[  341.607395] DMA32: 4*4kB 
[  341.609656]  ? lock_downgrade+0x900/0x900
[  341.614320] (UM) 
[  341.617098]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.621218] 2*8kB (UM) 
[  341.623286]  cache_grow_begin+0x91/0x8c0
[  341.628804] 2*16kB (M) 
[  341.631398]  ? do_raw_spin_unlock+0xa7/0x2f0
[  341.635445] 3*32kB (UM) 
[  341.638039]  fallback_alloc+0x203/0x2e0
[  341.642421] 5*64kB (UM) 
[  341.645103]  ____cache_alloc_node+0x1c7/0x1e0
[  341.649070] 4*128kB 
[  341.651747]  kmem_cache_alloc_node+0xe3/0x730
[  341.656215] (UM) 
[  341.658547]  ? ipv6_get_ifaddr+0x42e/0x620
[  341.663014] 4*256kB (UM) 
[  341.665091]  __alloc_skb+0x119/0x770
[  341.669305] 3*512kB 
[  341.672069]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  341.675758] (M) 
[  341.678086]  ? skb_scrub_packet+0x490/0x490
[  341.683341] 3*1024kB 
[  341.685319]  ? lock_downgrade+0x900/0x900
[  341.689618] (UM) 
[  341.692039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.696160] 3*2048kB 
[  341.698220]  ? refcount_sub_and_test_checked+0x203/0x310
[  341.703743] (M) 3*4096kB 
[  341.706183]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  341.711606] (M) 
[  341.714360]  ? addrconf_rs_timer+0x690/0x690
[  341.719785] = 25056kB
[  341.719794] Node 0 
[  341.721773]  ndisc_alloc_skb+0x144/0x340
[  341.726149] Normal: 
[  341.728566]  ndisc_send_rs+0x331/0x6e0
[  341.730795] 798*4kB 
[  341.734854]  addrconf_rs_timer+0x314/0x690
[  341.737158] (ME) 
[  341.741041]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.743342] 471*8kB (UME) 
[  341.747639]  call_timer_fn+0x272/0x920
[  341.749667] 208*16kB (UME) 
[  341.753904]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.756742] 76*32kB 
[  341.760628]  ? process_timeout+0x40/0x40
[  341.763559] (UME) 
[  341.767794]  ? find_held_lock+0x36/0x1c0
[  341.770123] 4*64kB 
[  341.774200]  ? __run_timers+0x7da/0xc70
[  341.776335] (M) 
[  341.780401]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.782613] 1*128kB 
[  341.786584]  ? _raw_spin_unlock_irq+0x27/0x80
[  341.788562] (U) 
[  341.793066]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.795373] 1*256kB 
[  341.799864]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  341.801821] (U) 
[  341.806051]  ? trace_hardirqs_on+0xbd/0x310
[  341.808355] 1*512kB 
[  341.812931]  ? kasan_check_read+0x11/0x20
[  341.814885] (U) 
[  341.819200]  ? __run_timers+0x7da/0xc70
[  341.821499] 0*1024kB 0*2048kB 
[  341.825655]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  341.827613] 0*4096kB 
[  341.831592]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  341.834757] = 13872kB
[  341.840204]  __run_timers+0x7e5/0xc70
[  341.842603] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  341.846836]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  341.849230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  341.853028]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  341.861850] 1299 total pagecache pages
[  341.867233]  ? graph_lock+0x170/0x170
[  341.875784] 0 pages in swap cache
[  341.880805]  ? enqueue_hrtimer+0x1a5/0x560
[  341.884681] Swap cache stats: add 0, delete 0, find 0/0
[  341.888473]  ? lock_release+0x970/0x970
[  341.891909] Free swap  = 0kB
[  341.896144]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  341.901489] Total swap = 0kB
[  341.905468]  ? find_held_lock+0x36/0x1c0
[  341.908471] 1965979 pages RAM
[  341.913661]  ? graph_lock+0x170/0x170
[  341.916672] 0 pages HighMem/MovableOnly
[  341.916682] 342306 pages reserved
[  341.920740]  ? pvclock_read_flags+0x160/0x160
[  341.923829] 0 pages cma reserved
[  341.927627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.931652] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  341.935034]  ? check_preemption_disabled+0x48/0x200
[  341.939779] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  341.942881]  ? __lock_is_held+0xb5/0x140
[  341.948393] syz-executor1 cpuset=
[  341.954898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  341.959890] /
[  341.970389]  ? check_preemption_disabled+0x48/0x200
[  341.974447]  mems_allowed=0
[  341.977903]  run_timer_softirq+0x52/0xb0
[  341.997129]  ? rcu_read_lock_sched_held+0x108/0x120
[  342.002162]  __do_softirq+0x30b/0xad8
[  342.005977]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  342.011091]  ? pvclock_read_flags+0x160/0x160
[  342.015601]  ? lapic_next_event+0x5a/0x90
[  342.019758]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.025351]  ? check_preemption_disabled+0x48/0x200
[  342.030375]  ? check_preemption_disabled+0x48/0x200
[  342.035403]  ? kvm_clock_read+0x18/0x30
[  342.039381]  ? kvm_sched_clock_read+0x9/0x20
[  342.043803]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.049347]  ? check_preemption_disabled+0x48/0x200
[  342.054381]  irq_exit+0x17f/0x1c0
[  342.057838]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.062683]  ? smp_reschedule_interrupt+0x109/0x650
[  342.067702]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.073594]  ? interrupt_entry+0xb5/0xf0
[  342.078113]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.083129]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.088170]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.093032]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.098073]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.103096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.108637]  ? check_preemption_disabled+0x48/0x200
[  342.113657]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.119202]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.124054]  apic_timer_interrupt+0xf/0x20
[  342.128287]  </IRQ>
[  342.130551] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  342.135490] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  342.154408] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  342.162123] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  342.169392] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  342.176662] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  342.183930] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  342.191199] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  342.198543]  skb_clone+0x1bb/0x500
[  342.202106]  ? finish_task_switch+0x1b5/0x900
[  342.206608]  ? skb_split+0x11e0/0x11e0
[  342.210501]  ? preempt_notifier_register+0x200/0x200
[  342.215639]  ? __switch_to_asm+0x34/0x70
[  342.219703]  ? __switch_to_asm+0x34/0x70
[  342.223768]  ? __switch_to_asm+0x40/0x70
[  342.227831]  ? __switch_to_asm+0x34/0x70
[  342.231892]  ? __switch_to_asm+0x40/0x70
[  342.235957]  ? __switch_to_asm+0x34/0x70
[  342.240020]  ? __switch_to_asm+0x40/0x70
[  342.244078]  ? __switch_to_asm+0x34/0x70
[  342.248155]  ? __switch_to_asm+0x34/0x70
[  342.252227]  ? __switch_to_asm+0x40/0x70
[  342.256288]  ? __switch_to_asm+0x34/0x70
[  342.260374]  bpf_clone_redirect+0xb9/0x490
[  342.264612]  ? __schedule+0x874/0x1ed0
[  342.268506]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  342.273530]  ? __sched_text_start+0x8/0x8
[  342.277685]  ? lockdep_hardirqs_on+0x421/0x5c0
[  342.282267]  ? retint_kernel+0x2d/0x2d
[  342.286166]  ? trace_hardirqs_on_caller+0xc0/0x310
[  342.291115]  ? find_held_lock+0x36/0x1c0
[  342.295184]  ? lock_acquire+0x1ed/0x520
[  342.299160]  ? bpf_test_run+0x3cb/0x780
[  342.303140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.308681]  ? check_preemption_disabled+0x48/0x200
[  342.313706]  ? kasan_check_read+0x11/0x20
[  342.317858]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  342.323135]  ? rcu_bh_qs+0xc0/0xc0
[  342.326678]  ? preempt_schedule+0x4d/0x60
[  342.330831]  ? ___preempt_schedule+0x16/0x18
[  342.335250]  ? bpf_test_run+0x25d/0x780
[  342.339239]  ? netlink_diag_dump+0x2a0/0x2a0
[  342.343652]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.349190]  ? bpf_test_init.isra.9+0x70/0x100
[  342.353778]  ? bpf_prog_test_run_skb+0x634/0xb40
[  342.358548]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  342.363392]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  342.368944]  ? fput+0x130/0x1a0
[  342.372223]  ? __bpf_prog_get+0x9b/0x290
[  342.376288]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  342.381162]  ? bpf_prog_test_run+0x130/0x1a0
[  342.385584]  ? __x64_sys_bpf+0x3d8/0x510
[  342.389659]  ? bpf_prog_get+0x20/0x20
[  342.393479]  ? do_syscall_64+0x1b9/0x820
[  342.397557]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  342.402947]  ? syscall_return_slowpath+0x5e0/0x5e0
[  342.407895]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.412913]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  342.417951]  ? recalc_sigpending_tsk+0x180/0x180
[  342.422708]  ? kasan_check_write+0x14/0x20
[  342.426956]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.431817]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  342.437202] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  342.437308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  342.444483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  342.444488] Call Trace:
[  342.444495]  <IRQ>
[  342.444513]  dump_stack+0x1c4/0x2b4
[  342.444532]  ? dump_stack_print_info.cold.2+0x52/0x52
[  342.451129] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  342.460406]  warn_alloc.cold.119+0xb7/0x1bd
[  342.462967] syz-executor4 cpuset=
[  342.465129]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  342.468733] syz4
[  342.473928]  ? lock_downgrade+0x900/0x900
[  342.484388]  mems_allowed=0
[  342.506043]  ? trace_hardirqs_off+0xb8/0x310
[  342.510467]  ? trace_hardirqs_off+0xb8/0x310
[  342.514889]  __alloc_pages_slowpath+0x2667/0x2d80
[  342.519767]  ? warn_alloc+0x120/0x120
[  342.523577]  ? warn_alloc+0x120/0x120
[  342.527386]  ? print_usage_bug+0xc0/0xc0
[  342.531456]  ? warn_alloc+0x120/0x120
[  342.535258]  ? print_usage_bug+0xc0/0xc0
[  342.539333]  ? should_fail+0x22d/0xd01
[  342.543220]  ? __lock_acquire+0x7ec/0x4ec0
[  342.547462]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  342.553001]  ? should_fail+0x22d/0xd01
[  342.556888]  ? __lock_acquire+0x7ec/0x4ec0
[  342.561129]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.566231]  ? __lock_acquire+0x7ec/0x4ec0
[  342.570473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  342.575580]  ? __lock_acquire+0x7ec/0x4ec0
[  342.579816]  ? should_fail+0x22d/0xd01
[  342.583723]  ? mark_held_locks+0x130/0x130
[  342.587965]  ? mark_held_locks+0x130/0x130
[  342.592211]  ? try_to_wake_up+0x10a/0x12f0
[  342.596451]  ? graph_lock+0x170/0x170
[  342.600256]  ? print_usage_bug+0xc0/0xc0
[  342.604333]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.609877]  ? check_preemption_disabled+0x48/0x200
[  342.614901]  ? check_preemption_disabled+0x48/0x200
[  342.619934]  ? __lock_is_held+0xb5/0x140
[  342.624004]  __alloc_pages_nodemask+0xa80/0xde0
[  342.628677]  ? graph_lock+0x170/0x170
[  342.632639]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  342.637659]  ? graph_lock+0x170/0x170
[  342.641475]  ? find_held_lock+0x36/0x1c0
[  342.645551]  ? ____cache_alloc_node+0x1c7/0x1e0
[  342.650228]  ? lock_downgrade+0x900/0x900
[  342.654399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.659958]  cache_grow_begin+0x91/0x8c0
[  342.664027]  ? do_raw_spin_unlock+0xa7/0x2f0
[  342.668448]  fallback_alloc+0x203/0x2e0
[  342.672446]  ____cache_alloc_node+0x1c7/0x1e0
[  342.676950]  kmem_cache_alloc_node+0xe3/0x730
[  342.681476]  ? ipv6_get_ifaddr+0x42e/0x620
[  342.685759]  __alloc_skb+0x119/0x770
[  342.689490]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  342.694787]  ? skb_scrub_packet+0x490/0x490
[  342.699123]  ? lock_downgrade+0x900/0x900
[  342.703285]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.708859]  ? refcount_sub_and_test_checked+0x203/0x310
[  342.714338]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  342.719809]  ? addrconf_rs_timer+0x690/0x690
[  342.724240]  ndisc_alloc_skb+0x144/0x340
[  342.728342]  ndisc_send_rs+0x331/0x6e0
[  342.732253]  addrconf_rs_timer+0x314/0x690
[  342.736496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.740749]  call_timer_fn+0x272/0x920
[  342.744640]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.748880]  ? process_timeout+0x40/0x40
[  342.752940]  ? find_held_lock+0x36/0x1c0
[  342.757010]  ? mark_held_locks+0xc7/0x130
[  342.761189]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.765690]  ? _raw_spin_unlock_irq+0x27/0x80
[  342.770187]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.774439]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  342.779028]  ? trace_hardirqs_on+0xbd/0x310
[  342.783377]  ? kasan_check_read+0x11/0x20
[  342.787535]  ? __run_timers+0x7da/0xc70
[  342.791516]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  342.796977]  ? tcp_compressed_ack_kick+0x220/0x220
[  342.801914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  342.806149]  __run_timers+0x7e5/0xc70
[  342.809964]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  342.815340]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  342.820382]  ? graph_lock+0x170/0x170
[  342.824190]  ? print_usage_bug+0xc0/0xc0
[  342.828265]  ? lock_release+0x970/0x970
[  342.832250]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  342.837451]  ? find_held_lock+0x36/0x1c0
[  342.841520]  ? graph_lock+0x170/0x170
[  342.845335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.850877]  ? check_preemption_disabled+0x48/0x200
[  342.855910]  ? __lock_is_held+0xb5/0x140
[  342.859975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.865520]  ? check_preemption_disabled+0x48/0x200
[  342.870563]  run_timer_softirq+0x52/0xb0
[  342.874627]  ? rcu_read_lock_sched_held+0x108/0x120
[  342.879648]  __do_softirq+0x30b/0xad8
[  342.883462]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  342.888575]  ? pvclock_read_flags+0x160/0x160
[  342.893080]  ? lapic_next_event+0x5a/0x90
[  342.897249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.902798]  ? check_preemption_disabled+0x48/0x200
[  342.907831]  ? check_preemption_disabled+0x48/0x200
[  342.912898]  ? kvm_clock_read+0x18/0x30
[  342.916890]  ? kvm_sched_clock_read+0x9/0x20
[  342.921311]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.926853]  ? check_preemption_disabled+0x48/0x200
[  342.931881]  irq_exit+0x17f/0x1c0
[  342.935339]  smp_apic_timer_interrupt+0x1cb/0x760
[  342.940189]  ? smp_call_function_single_interrupt+0x650/0x650
[  342.946090]  ? interrupt_entry+0xb5/0xf0
[  342.950154]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.955175]  ? trace_hardirqs_off_caller+0xbb/0x310
[  342.960196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.965042]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.970061]  ? trace_hardirqs_on_caller+0x310/0x310
[  342.975079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.980648]  ? check_preemption_disabled+0x48/0x200
[  342.985666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  342.991209]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  342.996069]  apic_timer_interrupt+0xf/0x20
[  343.000310]  </IRQ>
[  343.002573] RIP: 0010:lock_acquire+0x268/0x520
[  343.007168] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  343.026086] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  343.033808] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  343.041080] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  343.048348] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  343.055627] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  343.062904] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  343.070206]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.075759]  ? lock_release+0x970/0x970
[  343.079740]  ? activate_page+0x1040/0x1040
[  343.083985]  ? __unlock_page_memcg+0x53/0x100
[  343.088487]  ? check_preemption_disabled+0x48/0x200
[  343.093511]  lock_page_memcg+0x95/0x350
[  343.097480]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  343.102691]  ? rcu_bh_qs+0xc0/0xc0
[  343.106238]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  343.111446]  page_remove_rmap+0x855/0x1a30
[  343.115689]  ? page_add_file_rmap+0x1470/0x1470
[  343.120362]  ? __lock_is_held+0xb5/0x140
[  343.124444]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.129985]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.135544]  ? lru_add_drain_cpu+0x1c0/0x500
[  343.139967]  ? free_pages_and_swap_cache+0x475/0x6f0
[  343.145081]  ? free_page_and_swap_cache+0x950/0x950
[  343.150138]  ? kasan_check_read+0x11/0x20
[  343.154291]  ? page_mapcount+0x3b5/0x5d0
[  343.158375]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  343.163229]  ? lock_downgrade+0x900/0x900
[  343.167394]  ? lock_release+0x970/0x970
[  343.171478]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  343.176502]  ? _vm_normal_page+0x161/0x3c0
[  343.180751]  ? __pte_alloc_kernel+0x220/0x220
[  343.185256]  ? kasan_check_write+0x14/0x20
[  343.189495]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  343.194514]  ? __tlb_remove_page_size+0x187/0x500
[  343.199367]  unmap_page_range+0xf14/0x2030
[  343.203640]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  343.208157]  ? search_extable+0x80/0xb0
[  343.212147]  ? trim_init_extable+0x3a0/0x3a0
[  343.216559]  ? __get_user_8+0x21/0x2b
[  343.220362]  ? print_usage_bug+0xc0/0xc0
[  343.224433]  ? __lock_acquire+0x7ec/0x4ec0
[  343.228686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  343.234228]  ? no_context+0xd9/0x980
[  343.237942]  ? lock_downgrade+0x900/0x900
[  343.242090]  ? graph_lock+0x170/0x170
[  343.245911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.251461]  ? tlb_flush_mmu_free+0x135/0x1b0
[  343.255980]  ? find_held_lock+0x36/0x1c0
[  343.260053]  ? exit_mmap+0x4bb/0x590
[  343.263772]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.269321]  ? uprobe_munmap+0x14c/0x450
[  343.273404]  ? uprobe_mmap+0xd50/0xd50
[  343.277293]  ? lock_release+0x970/0x970
[  343.281278]  ? arch_local_save_flags+0x40/0x40
[  343.285877]  ? rwsem_down_write_failed+0xe/0x10
[  343.290557]  ? rwsem_down_write_failed+0xe/0x10
[  343.295238]  ? call_rwsem_down_write_failed+0x17/0x30
[  343.300435]  unmap_single_vma+0x19b/0x310
[  343.304592]  unmap_vmas+0x125/0x200
[  343.308277]  exit_mmap+0x2be/0x590
[  343.311833]  ? __ia32_sys_munmap+0x80/0x80
[  343.316111]  ? __might_sleep+0x95/0x190
[  343.320115]  mmput+0x247/0x610
[  343.323327]  ? lock_downgrade+0x900/0x900
[  343.327483]  ? set_mm_exe_file+0x200/0x200
[  343.331741]  ? kasan_check_read+0x11/0x20
[  343.335891]  ? do_raw_spin_unlock+0xa7/0x2f0
[  343.340337]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  343.344924]  ? kasan_check_write+0x14/0x20
[  343.349161]  ? do_raw_spin_lock+0xc1/0x200
[  343.353405]  do_exit+0xe6f/0x2610
[  343.356863]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  343.361895]  ? mm_update_next_owner+0x990/0x990
[  343.366569]  ? print_usage_bug+0xc0/0xc0
[  343.370659]  ? graph_lock+0x170/0x170
[  343.374465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.380005]  ? check_preemption_disabled+0x48/0x200
[  343.385026]  ? check_preemption_disabled+0x48/0x200
[  343.390047]  ? print_usage_bug+0xc0/0xc0
[  343.394128]  ? __lock_acquire+0x7ec/0x4ec0
[  343.398382]  ? __lock_acquire+0x7ec/0x4ec0
[  343.402647]  ? mark_held_locks+0x130/0x130
[  343.406897]  ? mark_held_locks+0x130/0x130
[  343.411134]  ? kasan_check_write+0x14/0x20
[  343.415370]  ? finish_task_switch+0x2f5/0x900
[  343.419894]  ? __switch_to_asm+0x40/0x70
[  343.423978]  ? __switch_to_asm+0x34/0x70
[  343.428039]  ? __switch_to_asm+0x34/0x70
[  343.432097]  ? __switch_to_asm+0x40/0x70
[  343.436182]  ? __switch_to_asm+0x34/0x70
[  343.440249]  ? __switch_to_asm+0x40/0x70
[  343.444320]  ? __switch_to_asm+0x34/0x70
[  343.448383]  ? __switch_to_asm+0x34/0x70
[  343.452470]  ? __switch_to_asm+0x34/0x70
[  343.456541]  ? __switch_to_asm+0x34/0x70
[  343.460604]  ? __switch_to_asm+0x40/0x70
[  343.464665]  ? __switch_to_asm+0x34/0x70
[  343.468741]  ? __switch_to_asm+0x40/0x70
[  343.472811]  ? graph_lock+0x170/0x170
[  343.476614]  ? graph_lock+0x170/0x170
[  343.480436]  ? graph_lock+0x170/0x170
[  343.484246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  343.489786]  ? wait_consider_task+0x245/0x3bb0
[  343.494482]  ? memset+0x31/0x40
[  343.497773]  ? find_held_lock+0x36/0x1c0
[  343.501870]  ? get_signal+0x95b/0x1980
[  343.505761]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.510265]  ? _raw_spin_unlock_irq+0x27/0x80
[  343.514787]  do_group_exit+0x177/0x440
[  343.518679]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  343.524134]  ? __ia32_sys_exit+0x50/0x50
[  343.528212]  get_signal+0x8b0/0x1980
[  343.531946]  ? ptrace_notify+0x130/0x130
[  343.536035]  ? do_wait+0x57d/0xb90
[  343.539621]  ? wait_consider_task+0x3bb0/0x3bb0
[  343.544291]  ? graph_lock+0x170/0x170
[  343.548108]  ? graph_lock+0x170/0x170
[  343.551917]  ? graph_lock+0x170/0x170
[  343.555742]  do_signal+0x9c/0x21e0
[  343.559286]  ? find_held_lock+0x36/0x1c0
[  343.563370]  ? setup_sigcontext+0x7d0/0x7d0
[  343.567694]  ? kernel_wait4+0x2e0/0x3f0
[  343.571674]  ? __ia32_sys_waitid+0x140/0x140
[  343.576090]  ? task_stopped_code+0x190/0x190
[  343.580510]  ? exit_to_usermode_loop+0x8c/0x380
[  343.585202]  ? __do_page_fault+0x4a6/0xed0
[  343.589444]  ? do_syscall_64+0x9a/0x820
[  343.593425]  ? do_syscall_64+0x9a/0x820
[  343.597426]  exit_to_usermode_loop+0x2e5/0x380
[  343.602014]  ? syscall_slow_exit_work+0x520/0x520
[  343.606893]  do_syscall_64+0x6be/0x820
[  343.610810]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  343.616183]  ? syscall_return_slowpath+0x5e0/0x5e0
[  343.621115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.625959]  ? trace_hardirqs_on_caller+0x310/0x310
[  343.630984]  ? prepare_exit_to_usermode+0x291/0x3b0
[  343.636008]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  343.640886]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  343.646074] RIP: 0033:0x41124a
[  343.649289] Code: Bad RIP value.
[  343.652660] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  343.660373] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  343.667642] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  343.674911] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  343.682181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  343.689447] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  343.696739] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  343.696745] warn_alloc_show_mem: 1 callbacks suppressed
[  343.696752] Mem-Info:
[  343.704029] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  343.709396] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  343.709396]  active_file:8 inactive_file:19 isolated_file:0
[  343.709396]  unevictable:0 dirty:0 writeback:0 unstable:0
[  343.709396]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  343.709396]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  343.709396]  free:13709 free_pcp:257 free_cma:0
[  343.711770] Call Trace:
[  343.721158] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  343.754088]  <IRQ>
[  343.756657] Node 0 
[  343.784338]  dump_stack+0x1c4/0x2b4
[  343.786487] 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
[  343.788698]  ? dump_stack_print_info.cold.2+0x52/0x52
[  343.792434] lowmem_reserve[]: 0
[  343.817978]  warn_alloc.cold.119+0xb7/0x1bd
[  343.823176]  2819
[  343.826469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  343.830771]  6323
[  343.832836]  ? lock_downgrade+0x900/0x900
[  343.837658]  6323
[  343.839740]  ? trace_hardirqs_off+0xb8/0x310
[  343.843862] Node 0 
[  343.845930]  ? trace_hardirqs_off+0xb8/0x310
[  343.850355] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  343.850364] lowmem_reserve[]:
[  343.852607]  __alloc_pages_slowpath+0x2667/0x2d80
[  343.856991]  0
[  343.883750]  ? warn_alloc+0x120/0x120
[  343.886814]  0
[  343.891657]  ? trace_hardirqs_on+0x310/0x310
[  343.893437]  3503 3503
[  343.897244]  ? warn_alloc+0x120/0x120
[  343.903433]  ? print_usage_bug+0xc0/0xc0
[  343.905912] Node 0 
[  343.909721]  ? warn_alloc+0x120/0x120
[  343.913784] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  343.915987]  ? ktime_get+0x2e1/0x440
[  343.916003]  ? print_usage_bug+0xc0/0xc0
[  343.919780] lowmem_reserve[]: 0
[  343.948157]  ? __lock_acquire+0x7ec/0x4ec0
[  343.951855]  0
[  343.955912]  ? __lock_acquire+0x7ec/0x4ec0
[  343.959182]  0
[  343.963417]  ? kasan_check_read+0x11/0x20
[  343.965203]  0
[  343.969436]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  343.975395]  ? should_fail+0x22d/0xd01
[  343.977180] Node 0 
[  343.982716]  ? rcu_bh_qs+0xc0/0xc0
[  343.986600] DMA: 
[  343.988835]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  343.992359] 1*4kB 
[  343.994426]  ? __lock_acquire+0x7ec/0x4ec0
[  343.999501] (U) 0*8kB 
[  344.001666]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  344.005891] 0*16kB 
[  344.008384]  ? __lock_acquire+0x7ec/0x4ec0
[  344.013470] 1*32kB 
[  344.015703]  ? should_fail+0x22d/0xd01
[  344.020015] (U) 
[  344.022252]  ? rcu_idle_enter+0x4b0/0x4b0
[  344.026114] 2*64kB (U) 
[  344.028106]  ? mark_held_locks+0x130/0x130
[  344.032242] 1*128kB 
[  344.034822]  ? mark_held_locks+0x130/0x130
[  344.039041] (U) 
[  344.041434]  ? mark_held_locks+0xc7/0x130
[  344.045658] 1*256kB (U) 
[  344.047647]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  344.051773] 0*512kB 1*1024kB 
[  344.054451]  ? graph_lock+0x170/0x170
[  344.059446] (U) 
[  344.062552]  ? print_usage_bug+0xc0/0xc0
[  344.066329] 1*2048kB (M) 
[  344.068338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.072363] 3*4096kB (M) 
[  344.075598]  ? check_preemption_disabled+0x48/0x200
[  344.081116] = 15908kB
[  344.081126] Node 0 
[  344.083889]  ? check_preemption_disabled+0x48/0x200
[  344.088880] DMA32: 4*4kB 
[  344.091316]  ? __lock_is_held+0xb5/0x140
[  344.093527] (UM) 
[  344.098558]  __alloc_pages_nodemask+0xa80/0xde0
[  344.101306] 2*8kB 
[  344.105370]  ? graph_lock+0x170/0x170
[  344.107417] (UM) 
[  344.112085]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  344.114228] 2*16kB 
[  344.118029]  ? graph_lock+0x170/0x170
[  344.120072] (M) 
[  344.125107]  ? find_held_lock+0x36/0x1c0
[  344.127325] 3*32kB 
[  344.131135]  ? ____cache_alloc_node+0x1c7/0x1e0
[  344.133087] (UM) 
[  344.137147]  ? lock_downgrade+0x900/0x900
[  344.139369] 5*64kB 
[  344.144040]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.146075] (UM) 
[  344.150233]  cache_grow_begin+0x91/0x8c0
[  344.152444] 4*128kB (UM) 
[  344.157998]  ? do_raw_spin_unlock+0xa7/0x2f0
[  344.160147] 4*256kB (UM) 
[  344.164234]  fallback_alloc+0x203/0x2e0
[  344.166965] 3*512kB (M) 
[  344.171389]  ____cache_alloc_node+0x1c7/0x1e0
[  344.174124] 3*1024kB 
[  344.178096]  kmem_cache_alloc_node+0xe3/0x730
[  344.180743] (UM) 
[  344.185239]  ? ipv6_get_ifaddr+0x42e/0x620
[  344.187647] 3*2048kB 
[  344.192145]  __alloc_skb+0x119/0x770
[  344.194183] (M) 
[  344.198427]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  344.200818] 3*4096kB 
[  344.204540]  ? skb_scrub_packet+0x490/0x490
[  344.206499] (M) 
[  344.211793]  ? lock_downgrade+0x900/0x900
[  344.214194] = 25056kB
[  344.218518]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.220472] Node 0 
[  344.224620]  ? refcount_sub_and_test_checked+0x203/0x310
[  344.227009] Normal: 
[  344.232552]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  344.234773] 798*4kB 
[  344.240235]  ? addrconf_rs_timer+0x690/0x690
[  344.242556] (ME) 
[  344.248008]  ndisc_alloc_skb+0x144/0x340
[  344.250308] 471*8kB (UME) 
[  344.254736]  ndisc_send_rs+0x331/0x6e0
[  344.256796] 208*16kB 
[  344.260865]  addrconf_rs_timer+0x314/0x690
[  344.263686] (UME) 
[  344.267571]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.269988] 76*32kB 
[  344.274228]  call_timer_fn+0x272/0x920
[  344.276348] (UME) 
[  344.280587]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.282890] 4*64kB 
[  344.286778]  ? process_timeout+0x40/0x40
[  344.288905] (M) 
[  344.293165]  ? find_held_lock+0x36/0x1c0
[  344.295384] 1*128kB 
[  344.299458]  ? __run_timers+0x7da/0xc70
[  344.301428] (U) 
[  344.305500]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.307796] 1*256kB (U) 
[  344.311777]  ? _raw_spin_unlock_irq+0x27/0x80
[  344.311793]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.313784] 1*512kB 
[  344.318274]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  344.320921] (U) 
[  344.325414]  ? trace_hardirqs_on+0xbd/0x310
[  344.329629] 0*1024kB 
[  344.331957]  ? kasan_check_read+0x11/0x20
[  344.336512] 0*2048kB 0*4096kB 
[  344.338498]  ? __run_timers+0x7da/0xc70
[  344.342797] = 13872kB
[  344.345206]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  344.349337] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  344.349365] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  344.352553]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.356509] 1299 total pagecache pages
[  344.358919]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  344.364360] 0 pages in swap cache
[  344.373195]  __run_timers+0x7e5/0xc70
[  344.381757] Swap cache stats: add 0, delete 0, find 0/0
[  344.385995]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  344.389856] Free swap  = 0kB
[  344.394111]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  344.397542] Total swap = 0kB
[  344.397551] 1965979 pages RAM
[  344.401363]  ? graph_lock+0x170/0x170
[  344.406702] 0 pages HighMem/MovableOnly
[  344.406712] 342306 pages reserved
[  344.412070]  ? enqueue_hrtimer+0x1a5/0x560
[  344.415076] 0 pages cma reserved
[  344.420102]  ? lock_release+0x970/0x970
[  344.420117]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  344.423192] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.426227]  ? find_held_lock+0x36/0x1c0
[  344.430104] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.433986]  ? graph_lock+0x170/0x170
[  344.437435] syz-executor1 cpuset=
[  344.441673]  ? pvclock_read_flags+0x160/0x160
[  344.445022] /
[  344.448997]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.454169]  mems_allowed=0
[  344.460663]  ? check_preemption_disabled+0x48/0x200
[  344.502092]  ? __lock_is_held+0xb5/0x140
[  344.506158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.511699]  ? check_preemption_disabled+0x48/0x200
[  344.516737]  run_timer_softirq+0x52/0xb0
[  344.520800]  ? rcu_read_lock_sched_held+0x108/0x120
[  344.525830]  __do_softirq+0x30b/0xad8
[  344.529649]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  344.534761]  ? pvclock_read_flags+0x160/0x160
[  344.539256]  ? lapic_next_event+0x5a/0x90
[  344.543404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.548949]  ? check_preemption_disabled+0x48/0x200
[  344.553970]  ? check_preemption_disabled+0x48/0x200
[  344.558995]  ? kvm_clock_read+0x18/0x30
[  344.562971]  ? kvm_sched_clock_read+0x9/0x20
[  344.567384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.572947]  ? check_preemption_disabled+0x48/0x200
[  344.577977]  irq_exit+0x17f/0x1c0
[  344.581446]  smp_apic_timer_interrupt+0x1cb/0x760
[  344.586318]  ? smp_reschedule_interrupt+0x109/0x650
[  344.591365]  ? smp_call_function_single_interrupt+0x650/0x650
[  344.597256]  ? interrupt_entry+0xb5/0xf0
[  344.601335]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.606367]  ? trace_hardirqs_off_caller+0xbb/0x310
[  344.611410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.616260]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.621276]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.626317]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.631878]  ? check_preemption_disabled+0x48/0x200
[  344.636898]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.642449]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.647314]  apic_timer_interrupt+0xf/0x20
[  344.651556]  </IRQ>
[  344.653801] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  344.658734] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  344.677636] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  344.685363] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  344.692651] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  344.699932] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  344.707198] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  344.714470] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  344.721793]  skb_clone+0x1bb/0x500
[  344.725345]  ? finish_task_switch+0x1b5/0x900
[  344.729846]  ? skb_split+0x11e0/0x11e0
[  344.733740]  ? preempt_notifier_register+0x200/0x200
[  344.738860]  ? __switch_to_asm+0x34/0x70
[  344.742928]  ? __switch_to_asm+0x34/0x70
[  344.746992]  ? __switch_to_asm+0x40/0x70
[  344.751059]  ? __switch_to_asm+0x34/0x70
[  344.755122]  ? __switch_to_asm+0x40/0x70
[  344.759182]  ? __switch_to_asm+0x34/0x70
[  344.763244]  ? __switch_to_asm+0x40/0x70
[  344.767313]  ? __switch_to_asm+0x34/0x70
[  344.771384]  ? __switch_to_asm+0x34/0x70
[  344.775449]  ? __switch_to_asm+0x40/0x70
[  344.779513]  ? __switch_to_asm+0x34/0x70
[  344.783588]  bpf_clone_redirect+0xb9/0x490
[  344.787828]  ? __schedule+0x874/0x1ed0
[  344.791725]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  344.796745]  ? __sched_text_start+0x8/0x8
[  344.800921]  ? lockdep_hardirqs_on+0x421/0x5c0
[  344.805505]  ? retint_kernel+0x2d/0x2d
[  344.809396]  ? trace_hardirqs_on_caller+0xc0/0x310
[  344.814351]  ? find_held_lock+0x36/0x1c0
[  344.818427]  ? lock_acquire+0x1ed/0x520
[  344.822409]  ? bpf_test_run+0x3cb/0x780
[  344.826388]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  344.831937]  ? check_preemption_disabled+0x48/0x200
[  344.836965]  ? kasan_check_read+0x11/0x20
[  344.841124]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  344.846409]  ? rcu_bh_qs+0xc0/0xc0
[  344.849953]  ? preempt_schedule+0x4d/0x60
[  344.854109]  ? ___preempt_schedule+0x16/0x18
[  344.858530]  ? bpf_test_run+0x25d/0x780
[  344.862520]  ? netlink_diag_dump+0x2a0/0x2a0
[  344.866940]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  344.872476]  ? bpf_test_init.isra.9+0x70/0x100
[  344.877066]  ? bpf_prog_test_run_skb+0x634/0xb40
[  344.881832]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  344.886686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  344.892237]  ? fput+0x130/0x1a0
[  344.895523]  ? __bpf_prog_get+0x9b/0x290
[  344.899589]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  344.904456]  ? bpf_prog_test_run+0x130/0x1a0
[  344.908886]  ? __x64_sys_bpf+0x3d8/0x510
[  344.912962]  ? bpf_prog_get+0x20/0x20
[  344.916814]  ? do_syscall_64+0x1b9/0x820
[  344.920877]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  344.926244]  ? syscall_return_slowpath+0x5e0/0x5e0
[  344.931179]  ? trace_hardirqs_on_caller+0x310/0x310
[  344.936209]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  344.941242]  ? recalc_sigpending_tsk+0x180/0x180
[  344.946015]  ? kasan_check_write+0x14/0x20
[  344.950263]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  344.955144]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  344.960533] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  344.960618] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  344.967818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  344.967832] Call Trace:
[  344.974445] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  344.983678]  <IRQ>
[  344.986252] syz-executor4 cpuset=
[  344.996738]  dump_stack+0x1c4/0x2b4
[  344.998870] syz4
[  345.002331]  ? dump_stack_print_info.cold.2+0x52/0x52
[  345.005945]  mems_allowed=0
[  345.007931]  warn_alloc.cold.119+0xb7/0x1bd
[  345.020339]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  345.025206]  ? lock_downgrade+0x900/0x900
[  345.029376]  ? trace_hardirqs_off+0xb8/0x310
[  345.033813]  ? trace_hardirqs_off+0xb8/0x310
[  345.038235]  __alloc_pages_slowpath+0x2667/0x2d80
[  345.043120]  ? warn_alloc+0x120/0x120
[  345.046927]  ? trace_hardirqs_on+0x310/0x310
[  345.051351]  ? warn_alloc+0x120/0x120
[  345.055162]  ? print_usage_bug+0xc0/0xc0
[  345.059231]  ? warn_alloc+0x120/0x120
[  345.063035]  ? ktime_get+0x2e1/0x440
[  345.066751]  ? print_usage_bug+0xc0/0xc0
[  345.070819]  ? __lock_acquire+0x7ec/0x4ec0
[  345.075062]  ? __lock_acquire+0x7ec/0x4ec0
[  345.079316]  ? kasan_check_read+0x11/0x20
[  345.083467]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.089011]  ? should_fail+0x22d/0xd01
[  345.092901]  ? rcu_bh_qs+0xc0/0xc0
[  345.096443]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.101565]  ? __lock_acquire+0x7ec/0x4ec0
[  345.105813]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  345.110917]  ? __lock_acquire+0x7ec/0x4ec0
[  345.115146]  ? should_fail+0x22d/0xd01
[  345.119057]  ? rcu_idle_enter+0x4b0/0x4b0
[  345.123228]  ? mark_held_locks+0x130/0x130
[  345.127495]  ? mark_held_locks+0x130/0x130
[  345.131751]  ? mark_held_locks+0xc7/0x130
[  345.135899]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  345.140929]  ? graph_lock+0x170/0x170
[  345.144743]  ? print_usage_bug+0xc0/0xc0
[  345.148814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.154364]  ? check_preemption_disabled+0x48/0x200
[  345.159387]  ? check_preemption_disabled+0x48/0x200
[  345.164422]  ? __lock_is_held+0xb5/0x140
[  345.168522]  __alloc_pages_nodemask+0xa80/0xde0
[  345.173195]  ? graph_lock+0x170/0x170
[  345.177000]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  345.182016]  ? graph_lock+0x170/0x170
[  345.185838]  ? find_held_lock+0x36/0x1c0
[  345.189915]  ? ____cache_alloc_node+0x1c7/0x1e0
[  345.194588]  ? lock_downgrade+0x900/0x900
[  345.198757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.204316]  cache_grow_begin+0x91/0x8c0
[  345.208383]  ? do_raw_spin_unlock+0xa7/0x2f0
[  345.212819]  fallback_alloc+0x203/0x2e0
[  345.216809]  ____cache_alloc_node+0x1c7/0x1e0
[  345.221337]  kmem_cache_alloc_node+0xe3/0x730
[  345.225852]  ? ipv6_get_ifaddr+0x42e/0x620
[  345.230105]  __alloc_skb+0x119/0x770
[  345.233840]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  345.239125]  ? skb_scrub_packet+0x490/0x490
[  345.243452]  ? lock_downgrade+0x900/0x900
[  345.247736]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.253277]  ? refcount_sub_and_test_checked+0x203/0x310
[  345.258745]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  345.264197]  ? addrconf_rs_timer+0x690/0x690
[  345.268626]  ndisc_alloc_skb+0x144/0x340
[  345.272692]  ndisc_send_rs+0x331/0x6e0
[  345.276589]  addrconf_rs_timer+0x314/0x690
[  345.280841]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.285091]  call_timer_fn+0x272/0x920
[  345.288981]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.293238]  ? process_timeout+0x40/0x40
[  345.297306]  ? find_held_lock+0x36/0x1c0
[  345.301388]  ? mark_held_locks+0xc7/0x130
[  345.305545]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.310042]  ? _raw_spin_unlock_irq+0x27/0x80
[  345.314536]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.318786]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  345.323375]  ? trace_hardirqs_on+0xbd/0x310
[  345.327698]  ? kasan_check_read+0x11/0x20
[  345.331852]  ? __run_timers+0x7da/0xc70
[  345.335833]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  345.341291]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.345545]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  345.349782]  __run_timers+0x7e5/0xc70
[  345.353601]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  345.358976]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.363996]  ? graph_lock+0x170/0x170
[  345.367821]  ? print_usage_bug+0xc0/0xc0
[  345.371887]  ? lock_release+0x970/0x970
[  345.375879]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  345.381108]  ? find_held_lock+0x36/0x1c0
[  345.385188]  ? graph_lock+0x170/0x170
[  345.388993]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.394547]  ? check_preemption_disabled+0x48/0x200
[  345.399580]  ? __lock_is_held+0xb5/0x140
[  345.403643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.409186]  ? check_preemption_disabled+0x48/0x200
[  345.414217]  run_timer_softirq+0x52/0xb0
[  345.418285]  ? rcu_read_lock_sched_held+0x108/0x120
[  345.423319]  __do_softirq+0x30b/0xad8
[  345.427139]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  345.432269]  ? pvclock_read_flags+0x160/0x160
[  345.436774]  ? lapic_next_event+0x5a/0x90
[  345.440924]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.446462]  ? check_preemption_disabled+0x48/0x200
[  345.451474]  ? check_preemption_disabled+0x48/0x200
[  345.456496]  ? kvm_clock_read+0x18/0x30
[  345.460472]  ? kvm_sched_clock_read+0x9/0x20
[  345.464887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.470431]  ? check_preemption_disabled+0x48/0x200
[  345.475464]  irq_exit+0x17f/0x1c0
[  345.478935]  smp_apic_timer_interrupt+0x1cb/0x760
[  345.483821]  ? smp_call_function_single_interrupt+0x650/0x650
[  345.489719]  ? interrupt_entry+0xb5/0xf0
[  345.493804]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.498824]  ? trace_hardirqs_off_caller+0xbb/0x310
[  345.503854]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.508707]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.513739]  ? trace_hardirqs_on_caller+0x310/0x310
[  345.518757]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.524306]  ? check_preemption_disabled+0x48/0x200
[  345.529338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.534896]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  345.539750]  apic_timer_interrupt+0xf/0x20
[  345.543990]  </IRQ>
[  345.546252] RIP: 0010:lock_acquire+0x268/0x520
[  345.550856] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  345.569754] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  345.577479] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  345.584749] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  345.592021] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  345.599289] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  345.606568] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  345.613869]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.619414]  ? lock_release+0x970/0x970
[  345.623401]  ? activate_page+0x1040/0x1040
[  345.627645]  ? __unlock_page_memcg+0x53/0x100
[  345.632145]  ? check_preemption_disabled+0x48/0x200
[  345.637167]  lock_page_memcg+0x95/0x350
[  345.641141]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  345.646338]  ? rcu_bh_qs+0xc0/0xc0
[  345.649909]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  345.655127]  page_remove_rmap+0x855/0x1a30
[  345.659368]  ? page_add_file_rmap+0x1470/0x1470
[  345.664040]  ? __lock_is_held+0xb5/0x140
[  345.668115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.673656]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.679193]  ? lru_add_drain_cpu+0x1c0/0x500
[  345.683624]  ? free_pages_and_swap_cache+0x475/0x6f0
[  345.688899]  ? free_page_and_swap_cache+0x950/0x950
[  345.694232]  ? kasan_check_read+0x11/0x20
[  345.698592]  ? page_mapcount+0x3b5/0x5d0
[  345.702663]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  345.707512]  ? lock_downgrade+0x900/0x900
[  345.711666]  ? lock_release+0x970/0x970
[  345.715646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  345.720812]  ? _vm_normal_page+0x161/0x3c0
[  345.725077]  ? __pte_alloc_kernel+0x220/0x220
[  345.729732]  ? kasan_check_write+0x14/0x20
[  345.734083]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  345.739717]  ? __tlb_remove_page_size+0x187/0x500
[  345.744831]  unmap_page_range+0xf14/0x2030
[  345.749221]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  345.753966]  ? search_extable+0x80/0xb0
[  345.758073]  ? trim_init_extable+0x3a0/0x3a0
[  345.762488]  ? __get_user_8+0x21/0x2b
[  345.766310]  ? print_usage_bug+0xc0/0xc0
[  345.770385]  ? __lock_acquire+0x7ec/0x4ec0
[  345.774779]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  345.780344]  ? no_context+0xd9/0x980
[  345.784132]  ? lock_downgrade+0x900/0x900
[  345.788385]  ? graph_lock+0x170/0x170
[  345.792208]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.797787]  ? tlb_flush_mmu_free+0x135/0x1b0
[  345.802309]  ? find_held_lock+0x36/0x1c0
[  345.806384]  ? exit_mmap+0x4bb/0x590
[  345.810102]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  345.815643]  ? uprobe_munmap+0x14c/0x450
[  345.819717]  ? uprobe_mmap+0xd50/0xd50
[  345.823621]  ? lock_release+0x970/0x970
[  345.827600]  ? arch_local_save_flags+0x40/0x40
[  345.832199]  ? rwsem_down_write_failed+0xe/0x10
[  345.836869]  ? rwsem_down_write_failed+0xe/0x10
[  345.841536]  ? call_rwsem_down_write_failed+0x17/0x30
[  345.846735]  unmap_single_vma+0x19b/0x310
[  345.850892]  unmap_vmas+0x125/0x200
[  345.854523]  exit_mmap+0x2be/0x590
[  345.858064]  ? __ia32_sys_munmap+0x80/0x80
[  345.862336]  ? __might_sleep+0x95/0x190
[  345.866324]  mmput+0x247/0x610
[  345.869521]  ? lock_downgrade+0x900/0x900
[  345.873673]  ? set_mm_exe_file+0x200/0x200
[  345.877913]  ? kasan_check_read+0x11/0x20
[  345.882061]  ? do_raw_spin_unlock+0xa7/0x2f0
[  345.886470]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  345.891055]  ? kasan_check_write+0x14/0x20
[  345.895285]  ? do_raw_spin_lock+0xc1/0x200
[  345.899533]  do_exit+0xe6f/0x2610
[  345.902992]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  345.908021]  ? mm_update_next_owner+0x990/0x990
[  345.912690]  ? print_usage_bug+0xc0/0xc0
[  345.916762]  ? graph_lock+0x170/0x170
[  345.920576]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  345.926140]  ? check_preemption_disabled+0x48/0x200
[  345.931163]  ? check_preemption_disabled+0x48/0x200
[  345.936185]  ? print_usage_bug+0xc0/0xc0
[  345.940266]  ? __lock_acquire+0x7ec/0x4ec0
[  345.944742]  ? __lock_acquire+0x7ec/0x4ec0
[  345.949265]  ? mark_held_locks+0x130/0x130
[  345.953747]  ? mark_held_locks+0x130/0x130
[  345.958003]  ? kasan_check_write+0x14/0x20
[  345.962469]  ? finish_task_switch+0x2f5/0x900
[  345.967395]  ? __switch_to_asm+0x40/0x70
[  345.971904]  ? __switch_to_asm+0x34/0x70
[  345.976085]  ? __switch_to_asm+0x34/0x70
[  345.980156]  ? __switch_to_asm+0x40/0x70
[  345.984376]  ? __switch_to_asm+0x34/0x70
[  345.988443]  ? __switch_to_asm+0x40/0x70
[  345.992505]  ? __switch_to_asm+0x34/0x70
[  345.996580]  ? __switch_to_asm+0x34/0x70
[  346.000655]  ? __switch_to_asm+0x34/0x70
[  346.004731]  ? __switch_to_asm+0x34/0x70
[  346.008795]  ? __switch_to_asm+0x40/0x70
[  346.012861]  ? __switch_to_asm+0x34/0x70
[  346.016923]  ? __switch_to_asm+0x40/0x70
[  346.020989]  ? graph_lock+0x170/0x170
[  346.024804]  ? graph_lock+0x170/0x170
[  346.028628]  ? graph_lock+0x170/0x170
[  346.032438]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.037980]  ? wait_consider_task+0x245/0x3bb0
[  346.042571]  ? memset+0x31/0x40
[  346.045862]  ? find_held_lock+0x36/0x1c0
[  346.049932]  ? get_signal+0x95b/0x1980
[  346.053835]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.058337]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.062868]  do_group_exit+0x177/0x440
[  346.066810]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  346.072419]  ? __ia32_sys_exit+0x50/0x50
[  346.076687]  get_signal+0x8b0/0x1980
[  346.080420]  ? ptrace_notify+0x130/0x130
[  346.084512]  ? do_wait+0x57d/0xb90
[  346.088071]  ? wait_consider_task+0x3bb0/0x3bb0
[  346.092748]  ? graph_lock+0x170/0x170
[  346.096558]  ? graph_lock+0x170/0x170
[  346.100365]  ? graph_lock+0x170/0x170
[  346.104185]  do_signal+0x9c/0x21e0
[  346.107748]  ? find_held_lock+0x36/0x1c0
[  346.111837]  ? setup_sigcontext+0x7d0/0x7d0
[  346.116161]  ? kernel_wait4+0x2e0/0x3f0
[  346.120140]  ? __ia32_sys_waitid+0x140/0x140
[  346.124557]  ? task_stopped_code+0x190/0x190
[  346.128987]  ? exit_to_usermode_loop+0x8c/0x380
[  346.133679]  ? __do_page_fault+0x4a6/0xed0
[  346.137919]  ? do_syscall_64+0x9a/0x820
[  346.141895]  ? do_syscall_64+0x9a/0x820
[  346.145899]  exit_to_usermode_loop+0x2e5/0x380
[  346.150492]  ? syscall_slow_exit_work+0x520/0x520
[  346.155369]  do_syscall_64+0x6be/0x820
[  346.159258]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  346.164638]  ? syscall_return_slowpath+0x5e0/0x5e0
[  346.169693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.174544]  ? trace_hardirqs_on_caller+0x310/0x310
[  346.179571]  ? prepare_exit_to_usermode+0x291/0x3b0
[  346.185126]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  346.190010]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  346.195198] RIP: 0033:0x41124a
[  346.198401] Code: Bad RIP value.
[  346.201767] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  346.209498] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  346.216766] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  346.224036] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  346.231334] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  346.238617] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  346.245919] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  346.245925] warn_alloc_show_mem: 1 callbacks suppressed
[  346.245932] Mem-Info:
[  346.253208] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  346.258605] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  346.258605]  active_file:8 inactive_file:19 isolated_file:0
[  346.258605]  unevictable:0 dirty:0 writeback:0 unstable:0
[  346.258605]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  346.258605]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  346.258605]  free:13709 free_pcp:257 free_cma:0
[  346.260985] Call Trace:
[  346.270381] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  346.303321]  <IRQ>
[  346.305904] Node 0 
[  346.333573]  dump_stack+0x1c4/0x2b4
[  346.335724] 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
[  346.337937]  ? dump_stack_print_info.cold.2+0x52/0x52
[  346.341537] lowmem_reserve[]: 0
[  346.367090]  warn_alloc.cold.119+0xb7/0x1bd
[  346.372272]  2819
[  346.375570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  346.379871]  6323
[  346.381932]  ? lock_downgrade+0x900/0x900
[  346.386748]  6323
[  346.388812]  ? trace_hardirqs_off+0xb8/0x310
[  346.395013]  ? trace_hardirqs_off+0xb8/0x310
[  346.399405] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  346.403851]  __alloc_pages_slowpath+0x2667/0x2d80
[  346.403895]  ? warn_alloc+0x120/0x120
[  346.432210] lowmem_reserve[]: 0
[  346.437067]  ? trace_hardirqs_on+0x310/0x310
[  346.440854]  0
[  346.444129]  ? warn_alloc+0x120/0x120
[  346.448508]  3503 3503
[  346.450344]  ? print_usage_bug+0xc0/0xc0
[  346.456634]  ? warn_alloc+0x120/0x120
[  346.460674] Node 0 
[  346.464492]  ? ktime_get+0x2e1/0x440
[  346.464528] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  346.466736]  ? print_usage_bug+0xc0/0xc0
[  346.470427] lowmem_reserve[]: 0
[  346.498797]  ? __lock_acquire+0x7ec/0x4ec0
[  346.502843]  0
[  346.506142]  ? __lock_acquire+0x7ec/0x4ec0
[  346.510349]  0 0
[  346.512158]  ? kasan_check_read+0x11/0x20
[  346.518346]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  346.522467] Node 0 
[  346.527993]  ? should_fail+0x22d/0xd01
[  346.528003] DMA: 
[  346.530261]  ? rcu_bh_qs+0xc0/0xc0
[  346.534133] 1*4kB 
[  346.536191]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.539709] (U) 
[  346.541854]  ? __lock_acquire+0x7ec/0x4ec0
[  346.546927] 0*8kB 0*16kB 
[  346.548911]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  346.553126] 1*32kB 
[  346.555881]  ? __lock_acquire+0x7ec/0x4ec0
[  346.560959] (U) 
[  346.563195]  ? should_fail+0x22d/0xd01
[  346.567418] 2*64kB 
[  346.569400]  ? rcu_idle_enter+0x4b0/0x4b0
[  346.573262] (U) 
[  346.575501]  ? mark_held_locks+0x130/0x130
[  346.579635] 1*128kB 
[  346.581606]  ? mark_held_locks+0x130/0x130
[  346.585814] (U) 
[  346.588143]  ? mark_held_locks+0xc7/0x130
[  346.592360] 1*256kB (U) 
[  346.594343]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  346.598465] 0*512kB 
[  346.601125]  ? graph_lock+0x170/0x170
[  346.606116] 1*1024kB 
[  346.608465]  ? print_usage_bug+0xc0/0xc0
[  346.612256] (U) 
[  346.614666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.618723] 1*2048kB 
[  346.620696]  ? check_preemption_disabled+0x48/0x200
[  346.626222] (M) 
[  346.628632]  ? check_preemption_disabled+0x48/0x200
[  346.633622] 3*4096kB 
[  346.635601]  ? __lock_is_held+0xb5/0x140
[  346.640591] (M) 
[  346.643014]  __alloc_pages_nodemask+0xa80/0xde0
[  346.647077] = 15908kB
[  346.647086] Node 0 
[  346.649068]  ? graph_lock+0x170/0x170
[  346.653720] DMA32: 4*4kB 
[  346.656140]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  346.658354] (UM) 
[  346.662145]  ? graph_lock+0x170/0x170
[  346.664884] 2*8kB 
[  346.669897]  ? find_held_lock+0x36/0x1c0
[  346.671944] (UM) 
[  346.675753]  ? ____cache_alloc_node+0x1c7/0x1e0
[  346.677912] 2*16kB 
[  346.682007]  ? lock_downgrade+0x900/0x900
[  346.684065] (M) 
[  346.688748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.690960] 3*32kB 
[  346.695116]  cache_grow_begin+0x91/0x8c0
[  346.697078] (UM) 5*64kB 
[  346.702622]  ? do_raw_spin_unlock+0xa7/0x2f0
[  346.704842] (UM) 
[  346.708906]  fallback_alloc+0x203/0x2e0
[  346.711547] 4*128kB (UM) 
[  346.715966]  ____cache_alloc_node+0x1c7/0x1e0
[  346.718019] 4*256kB 
[  346.722008]  kmem_cache_alloc_node+0xe3/0x730
[  346.724754] (UM) 3*512kB 
[  346.729260]  ? ipv6_get_ifaddr+0x42e/0x620
[  346.731563] (M) 
[  346.736060]  __alloc_skb+0x119/0x770
[  346.738790] 3*1024kB 
[  346.743020]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  346.744972] (UM) 
[  346.748685]  ? skb_scrub_packet+0x490/0x490
[  346.751075] 3*2048kB 
[  346.756360]  ? lock_downgrade+0x900/0x900
[  346.758406] (M) 
[  346.762729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  346.765126] 3*4096kB 
[  346.769267]  ? refcount_sub_and_test_checked+0x203/0x310
[  346.771221] (M) 
[  346.776756]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  346.779166] = 25056kB
[  346.779175] Node 0 
[  346.784622]  ? addrconf_rs_timer+0x690/0x690
[  346.786576] Normal: 
[  346.792028]  ndisc_alloc_skb+0x144/0x340
[  346.794409] 798*4kB 
[  346.796660]  ndisc_send_rs+0x331/0x6e0
[  346.801055] (ME) 
[  346.803377]  addrconf_rs_timer+0x314/0x690
[  346.807417] 471*8kB 
[  346.809737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.813605] (UME) 
[  346.815709]  call_timer_fn+0x272/0x920
[  346.819914] 208*16kB 
[  346.822233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.826447] (UME) 
[  346.828598]  ? process_timeout+0x40/0x40
[  346.832467] 76*32kB 
[  346.834890]  ? find_held_lock+0x36/0x1c0
[  346.839101] (UME) 4*64kB 
[  346.841267]  ? __run_timers+0x7da/0xc70
[  346.845309] (M) 
[  346.847640]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.851679] 1*128kB 
[  346.854435]  ? _raw_spin_unlock_irq+0x27/0x80
[  346.858404] (U) 
[  346.860382]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.864858] 1*256kB 
[  346.867203]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  346.871676] (U) 
[  346.873664]  ? trace_hardirqs_on+0xbd/0x310
[  346.877879] 1*512kB 
[  346.880195]  ? kasan_check_read+0x11/0x20
[  346.884751] (U) 
[  346.886765]  ? __run_timers+0x7da/0xc70
[  346.891064] 0*1024kB 
[  346.893413]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  346.897553] 0*2048kB 0*4096kB 
[  346.899562]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.903514] = 13872kB
[  346.905932]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  346.911368] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  346.914564]  __run_timers+0x7e5/0xc70
[  346.918782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  346.921202]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  346.925412] 1299 total pagecache pages
[  346.934259]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  346.938051] 0 pages in swap cache
[  346.946613]  ? graph_lock+0x170/0x170
[  346.951957] Swap cache stats: add 0, delete 0, find 0/0
[  346.955834]  ? enqueue_hrtimer+0x1a5/0x560
[  346.960851] Free swap  = 0kB
[  346.964292]  ? lock_release+0x970/0x970
[  346.964316]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  346.968094] Total swap = 0kB
[  346.968102] 1965979 pages RAM
[  346.973463]  ? find_held_lock+0x36/0x1c0
[  346.977669] 0 pages HighMem/MovableOnly
[  346.977682] 342306 pages reserved
[  346.980693]  ? graph_lock+0x170/0x170
[  346.984648] 0 pages cma reserved
[  346.989832]  ? pvclock_read_flags+0x160/0x160
[  346.992963] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  346.995960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.000100] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.003978]  ? check_preemption_disabled+0x48/0x200
[  347.007427] syz-executor1 cpuset=
[  347.011229]  ? __lock_is_held+0xb5/0x140
[  347.014570] /
[  347.019074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.025660]  mems_allowed=0
[  347.031201]  ? check_preemption_disabled+0x48/0x200
[  347.069385]  run_timer_softirq+0x52/0xb0
[  347.073451]  ? rcu_read_lock_sched_held+0x108/0x120
[  347.078949]  __do_softirq+0x30b/0xad8
[  347.082765]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  347.087886]  ? pvclock_read_flags+0x160/0x160
[  347.092387]  ? lapic_next_event+0x5a/0x90
[  347.096568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.102116]  ? check_preemption_disabled+0x48/0x200
[  347.107132]  ? check_preemption_disabled+0x48/0x200
[  347.112159]  ? kvm_clock_read+0x18/0x30
[  347.116136]  ? kvm_sched_clock_read+0x9/0x20
[  347.120549]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.126092]  ? check_preemption_disabled+0x48/0x200
[  347.131123]  irq_exit+0x17f/0x1c0
[  347.134587]  smp_apic_timer_interrupt+0x1cb/0x760
[  347.139432]  ? smp_reschedule_interrupt+0x109/0x650
[  347.144453]  ? smp_call_function_single_interrupt+0x650/0x650
[  347.150351]  ? interrupt_entry+0xb5/0xf0
[  347.154420]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.159441]  ? trace_hardirqs_off_caller+0xbb/0x310
[  347.164464]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.169334]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.174363]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.179398]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.184951]  ? check_preemption_disabled+0x48/0x200
[  347.189967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.195515]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.200382]  apic_timer_interrupt+0xf/0x20
[  347.204609]  </IRQ>
[  347.206854] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  347.211790] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  347.230689] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  347.238420] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  347.245689] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  347.252972] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  347.260235] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  347.267522] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  347.274837]  skb_clone+0x1bb/0x500
[  347.278401]  ? finish_task_switch+0x1b5/0x900
[  347.282896]  ? skb_split+0x11e0/0x11e0
[  347.286814]  ? preempt_notifier_register+0x200/0x200
[  347.291937]  ? __switch_to_asm+0x34/0x70
[  347.296019]  ? __switch_to_asm+0x34/0x70
[  347.300100]  ? __switch_to_asm+0x40/0x70
[  347.304161]  ? __switch_to_asm+0x34/0x70
[  347.308218]  ? __switch_to_asm+0x40/0x70
[  347.312280]  ? __switch_to_asm+0x34/0x70
[  347.316377]  ? __switch_to_asm+0x40/0x70
[  347.320436]  ? __switch_to_asm+0x34/0x70
[  347.324497]  ? __switch_to_asm+0x34/0x70
[  347.328557]  ? __switch_to_asm+0x40/0x70
[  347.332627]  ? __switch_to_asm+0x34/0x70
[  347.336699]  bpf_clone_redirect+0xb9/0x490
[  347.340936]  ? __schedule+0x874/0x1ed0
[  347.344827]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  347.349860]  ? __sched_text_start+0x8/0x8
[  347.354013]  ? lockdep_hardirqs_on+0x421/0x5c0
[  347.358598]  ? retint_kernel+0x2d/0x2d
[  347.362491]  ? trace_hardirqs_on_caller+0xc0/0x310
[  347.367430]  ? find_held_lock+0x36/0x1c0
[  347.371516]  ? lock_acquire+0x1ed/0x520
[  347.375488]  ? bpf_test_run+0x3cb/0x780
[  347.379461]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.384995]  ? check_preemption_disabled+0x48/0x200
[  347.390013]  ? kasan_check_read+0x11/0x20
[  347.394159]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  347.399440]  ? rcu_bh_qs+0xc0/0xc0
[  347.402981]  ? preempt_schedule+0x4d/0x60
[  347.407127]  ? ___preempt_schedule+0x16/0x18
[  347.411537]  ? bpf_test_run+0x25d/0x780
[  347.415536]  ? netlink_diag_dump+0x2a0/0x2a0
[  347.419945]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.425480]  ? bpf_test_init.isra.9+0x70/0x100
[  347.430072]  ? bpf_prog_test_run_skb+0x634/0xb40
[  347.434839]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  347.439680]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  347.445233]  ? fput+0x130/0x1a0
[  347.448520]  ? __bpf_prog_get+0x9b/0x290
[  347.452618]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  347.457463]  ? bpf_prog_test_run+0x130/0x1a0
[  347.461890]  ? __x64_sys_bpf+0x3d8/0x510
[  347.465960]  ? bpf_prog_get+0x20/0x20
[  347.469800]  ? do_syscall_64+0x1b9/0x820
[  347.473867]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  347.479235]  ? syscall_return_slowpath+0x5e0/0x5e0
[  347.484169]  ? trace_hardirqs_on_caller+0x310/0x310
[  347.489199]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  347.494216]  ? recalc_sigpending_tsk+0x180/0x180
[  347.498976]  ? kasan_check_write+0x14/0x20
[  347.503218]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  347.508081]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  347.513495] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  347.513580] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  347.520775] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  347.520781] Call Trace:
[  347.520787]  <IRQ>
[  347.520804]  dump_stack+0x1c4/0x2b4
[  347.520834]  ? dump_stack_print_info.cold.2+0x52/0x52
[  347.527383] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  347.536680]  warn_alloc.cold.119+0xb7/0x1bd
[  347.539242] syz-executor4 cpuset=
[  347.541394]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  347.545003] syz4
[  347.550200]  ? lock_downgrade+0x900/0x900
[  347.560666]  mems_allowed=0
[  347.564983]  ? trace_hardirqs_off+0xb8/0x310
[  347.586678]  ? trace_hardirqs_off+0xb8/0x310
[  347.591110]  __alloc_pages_slowpath+0x2667/0x2d80
[  347.595986]  ? warn_alloc+0x120/0x120
[  347.599807]  ? trace_hardirqs_on+0x310/0x310
[  347.604231]  ? warn_alloc+0x120/0x120
[  347.608034]  ? print_usage_bug+0xc0/0xc0
[  347.612113]  ? warn_alloc+0x120/0x120
[  347.615919]  ? ktime_get+0x2e1/0x440
[  347.619647]  ? print_usage_bug+0xc0/0xc0
[  347.623713]  ? __lock_acquire+0x7ec/0x4ec0
[  347.627948]  ? __lock_acquire+0x7ec/0x4ec0
[  347.632188]  ? kasan_check_read+0x11/0x20
[  347.636345]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  347.641911]  ? should_fail+0x22d/0xd01
[  347.645805]  ? rcu_bh_qs+0xc0/0xc0
[  347.649353]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.654478]  ? __lock_acquire+0x7ec/0x4ec0
[  347.658720]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  347.663851]  ? __lock_acquire+0x7ec/0x4ec0
[  347.668087]  ? should_fail+0x22d/0xd01
[  347.671981]  ? rcu_idle_enter+0x4b0/0x4b0
[  347.676159]  ? mark_held_locks+0x130/0x130
[  347.680401]  ? mark_held_locks+0x130/0x130
[  347.684660]  ? mark_held_locks+0xc7/0x130
[  347.688820]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  347.693845]  ? graph_lock+0x170/0x170
[  347.697647]  ? print_usage_bug+0xc0/0xc0
[  347.701722]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.707266]  ? check_preemption_disabled+0x48/0x200
[  347.712279]  ? check_preemption_disabled+0x48/0x200
[  347.717320]  ? __lock_is_held+0xb5/0x140
[  347.721403]  __alloc_pages_nodemask+0xa80/0xde0
[  347.726071]  ? graph_lock+0x170/0x170
[  347.729894]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  347.734920]  ? graph_lock+0x170/0x170
[  347.738763]  ? find_held_lock+0x36/0x1c0
[  347.742845]  ? ____cache_alloc_node+0x1c7/0x1e0
[  347.747515]  ? lock_downgrade+0x900/0x900
[  347.751684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.757243]  cache_grow_begin+0x91/0x8c0
[  347.761330]  ? do_raw_spin_unlock+0xa7/0x2f0
[  347.765760]  fallback_alloc+0x203/0x2e0
[  347.769742]  ____cache_alloc_node+0x1c7/0x1e0
[  347.774245]  kmem_cache_alloc_node+0xe3/0x730
[  347.778756]  ? ipv6_get_ifaddr+0x42e/0x620
[  347.783016]  __alloc_skb+0x119/0x770
[  347.786733]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  347.792017]  ? skb_scrub_packet+0x490/0x490
[  347.796343]  ? lock_downgrade+0x900/0x900
[  347.800500]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.806042]  ? refcount_sub_and_test_checked+0x203/0x310
[  347.811502]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  347.816953]  ? addrconf_rs_timer+0x690/0x690
[  347.821389]  ndisc_alloc_skb+0x144/0x340
[  347.825486]  ndisc_send_rs+0x331/0x6e0
[  347.829380]  addrconf_rs_timer+0x314/0x690
[  347.833647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.837894]  call_timer_fn+0x272/0x920
[  347.841784]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.846027]  ? process_timeout+0x40/0x40
[  347.850089]  ? find_held_lock+0x36/0x1c0
[  347.854156]  ? mark_held_locks+0xc7/0x130
[  347.858329]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.862839]  ? _raw_spin_unlock_irq+0x27/0x80
[  347.867335]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.871586]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  347.876179]  ? trace_hardirqs_on+0xbd/0x310
[  347.880502]  ? kasan_check_read+0x11/0x20
[  347.884646]  ? __run_timers+0x7da/0xc70
[  347.888630]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  347.894108]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.898359]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  347.902594]  __run_timers+0x7e5/0xc70
[  347.906411]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  347.911778]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  347.916796]  ? graph_lock+0x170/0x170
[  347.920609]  ? print_usage_bug+0xc0/0xc0
[  347.924672]  ? lock_release+0x970/0x970
[  347.928648]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  347.933860]  ? find_held_lock+0x36/0x1c0
[  347.937925]  ? graph_lock+0x170/0x170
[  347.941754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.947298]  ? check_preemption_disabled+0x48/0x200
[  347.952339]  ? __lock_is_held+0xb5/0x140
[  347.956403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.961939]  ? check_preemption_disabled+0x48/0x200
[  347.966962]  run_timer_softirq+0x52/0xb0
[  347.971019]  ? rcu_read_lock_sched_held+0x108/0x120
[  347.976035]  __do_softirq+0x30b/0xad8
[  347.979850]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  347.984959]  ? pvclock_read_flags+0x160/0x160
[  347.989454]  ? lapic_next_event+0x5a/0x90
[  347.993627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  347.999166]  ? check_preemption_disabled+0x48/0x200
[  348.004183]  ? check_preemption_disabled+0x48/0x200
[  348.009206]  ? kvm_clock_read+0x18/0x30
[  348.013180]  ? kvm_sched_clock_read+0x9/0x20
[  348.017588]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.023127]  ? check_preemption_disabled+0x48/0x200
[  348.028158]  irq_exit+0x17f/0x1c0
[  348.031630]  smp_apic_timer_interrupt+0x1cb/0x760
[  348.036495]  ? smp_call_function_single_interrupt+0x650/0x650
[  348.042385]  ? interrupt_entry+0xb5/0xf0
[  348.046449]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.051463]  ? trace_hardirqs_off_caller+0xbb/0x310
[  348.056498]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.061357]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.066372]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.071392]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.077080]  ? check_preemption_disabled+0x48/0x200
[  348.082115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.087672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.092544]  apic_timer_interrupt+0xf/0x20
[  348.096778]  </IRQ>
[  348.099012] RIP: 0010:lock_acquire+0x268/0x520
[  348.103602] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  348.122659] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  348.130381] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  348.137646] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  348.144913] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  348.152180] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  348.159443] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  348.166737]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.172279]  ? lock_release+0x970/0x970
[  348.176264]  ? activate_page+0x1040/0x1040
[  348.180505]  ? __unlock_page_memcg+0x53/0x100
[  348.185513]  ? check_preemption_disabled+0x48/0x200
[  348.190544]  lock_page_memcg+0x95/0x350
[  348.194517]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  348.199711]  ? rcu_bh_qs+0xc0/0xc0
[  348.203280]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  348.208492]  page_remove_rmap+0x855/0x1a30
[  348.212734]  ? page_add_file_rmap+0x1470/0x1470
[  348.217405]  ? __lock_is_held+0xb5/0x140
[  348.221488]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.227027]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.232565]  ? lru_add_drain_cpu+0x1c0/0x500
[  348.236984]  ? free_pages_and_swap_cache+0x475/0x6f0
[  348.242135]  ? free_page_and_swap_cache+0x950/0x950
[  348.247163]  ? kasan_check_read+0x11/0x20
[  348.251329]  ? page_mapcount+0x3b5/0x5d0
[  348.255403]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  348.260252]  ? lock_downgrade+0x900/0x900
[  348.264410]  ? lock_release+0x970/0x970
[  348.268389]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  348.273406]  ? _vm_normal_page+0x161/0x3c0
[  348.277648]  ? __pte_alloc_kernel+0x220/0x220
[  348.282144]  ? kasan_check_write+0x14/0x20
[  348.286410]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  348.291441]  ? __tlb_remove_page_size+0x187/0x500
[  348.296292]  unmap_page_range+0xf14/0x2030
[  348.300581]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  348.305102]  ? search_extable+0x80/0xb0
[  348.309081]  ? trim_init_extable+0x3a0/0x3a0
[  348.313492]  ? __get_user_8+0x21/0x2b
[  348.317296]  ? print_usage_bug+0xc0/0xc0
[  348.321381]  ? __lock_acquire+0x7ec/0x4ec0
[  348.325620]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  348.331166]  ? no_context+0xd9/0x980
[  348.334881]  ? lock_downgrade+0x900/0x900
[  348.339034]  ? graph_lock+0x170/0x170
[  348.342861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.348402]  ? tlb_flush_mmu_free+0x135/0x1b0
[  348.352907]  ? find_held_lock+0x36/0x1c0
[  348.356975]  ? exit_mmap+0x4bb/0x590
[  348.360716]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  348.366283]  ? uprobe_munmap+0x14c/0x450
[  348.370386]  ? uprobe_mmap+0xd50/0xd50
[  348.374298]  ? lock_release+0x970/0x970
[  348.378296]  ? arch_local_save_flags+0x40/0x40
[  348.382903]  ? rwsem_down_write_failed+0xe/0x10
[  348.387573]  ? rwsem_down_write_failed+0xe/0x10
[  348.392244]  ? call_rwsem_down_write_failed+0x17/0x30
[  348.397443]  unmap_single_vma+0x19b/0x310
[  348.401604]  unmap_vmas+0x125/0x200
[  348.405272]  exit_mmap+0x2be/0x590
[  348.408847]  ? __ia32_sys_munmap+0x80/0x80
[  348.413120]  ? __might_sleep+0x95/0x190
[  348.417115]  mmput+0x247/0x610
[  348.420318]  ? lock_downgrade+0x900/0x900
[  348.424489]  ? set_mm_exe_file+0x200/0x200
[  348.428750]  ? kasan_check_read+0x11/0x20
[  348.432900]  ? do_raw_spin_unlock+0xa7/0x2f0
[  348.437321]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  348.441911]  ? kasan_check_write+0x14/0x20
[  348.446148]  ? do_raw_spin_lock+0xc1/0x200
[  348.450402]  do_exit+0xe6f/0x2610
[  348.453862]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  348.458885]  ? mm_update_next_owner+0x990/0x990
[  348.463556]  ? print_usage_bug+0xc0/0xc0
[  348.467617]  ? graph_lock+0x170/0x170
[  348.471425]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.476968]  ? check_preemption_disabled+0x48/0x200
[  348.481989]  ? check_preemption_disabled+0x48/0x200
[  348.487020]  ? print_usage_bug+0xc0/0xc0
[  348.491097]  ? __lock_acquire+0x7ec/0x4ec0
[  348.495352]  ? __lock_acquire+0x7ec/0x4ec0
[  348.499610]  ? mark_held_locks+0x130/0x130
[  348.503858]  ? mark_held_locks+0x130/0x130
[  348.508102]  ? kasan_check_write+0x14/0x20
[  348.512338]  ? finish_task_switch+0x2f5/0x900
[  348.516843]  ? __switch_to_asm+0x40/0x70
[  348.520939]  ? __switch_to_asm+0x34/0x70
[  348.525013]  ? __switch_to_asm+0x34/0x70
[  348.529074]  ? __switch_to_asm+0x40/0x70
[  348.533135]  ? __switch_to_asm+0x34/0x70
[  348.537192]  ? __switch_to_asm+0x40/0x70
[  348.541253]  ? __switch_to_asm+0x34/0x70
[  348.545319]  ? __switch_to_asm+0x34/0x70
[  348.549379]  ? __switch_to_asm+0x34/0x70
[  348.553466]  ? __switch_to_asm+0x34/0x70
[  348.557527]  ? __switch_to_asm+0x40/0x70
[  348.561602]  ? __switch_to_asm+0x34/0x70
[  348.565663]  ? __switch_to_asm+0x40/0x70
[  348.569740]  ? graph_lock+0x170/0x170
[  348.573538]  ? graph_lock+0x170/0x170
[  348.577345]  ? graph_lock+0x170/0x170
[  348.581147]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  348.586683]  ? wait_consider_task+0x245/0x3bb0
[  348.591264]  ? memset+0x31/0x40
[  348.594553]  ? find_held_lock+0x36/0x1c0
[  348.598623]  ? get_signal+0x95b/0x1980
[  348.602513]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.607017]  ? _raw_spin_unlock_irq+0x27/0x80
[  348.611521]  do_group_exit+0x177/0x440
[  348.615410]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  348.620866]  ? __ia32_sys_exit+0x50/0x50
[  348.624977]  get_signal+0x8b0/0x1980
[  348.628723]  ? ptrace_notify+0x130/0x130
[  348.632792]  ? do_wait+0x57d/0xb90
[  348.636343]  ? wait_consider_task+0x3bb0/0x3bb0
[  348.641021]  ? graph_lock+0x170/0x170
[  348.644843]  ? graph_lock+0x170/0x170
[  348.648650]  ? graph_lock+0x170/0x170
[  348.652471]  do_signal+0x9c/0x21e0
[  348.656025]  ? find_held_lock+0x36/0x1c0
[  348.660221]  ? setup_sigcontext+0x7d0/0x7d0
[  348.664552]  ? kernel_wait4+0x2e0/0x3f0
[  348.668530]  ? __ia32_sys_waitid+0x140/0x140
[  348.673062]  ? task_stopped_code+0x190/0x190
[  348.677664]  ? exit_to_usermode_loop+0x8c/0x380
[  348.682359]  ? __do_page_fault+0x4a6/0xed0
[  348.686602]  ? do_syscall_64+0x9a/0x820
[  348.690688]  ? do_syscall_64+0x9a/0x820
[  348.694688]  exit_to_usermode_loop+0x2e5/0x380
[  348.699280]  ? syscall_slow_exit_work+0x520/0x520
[  348.704271]  do_syscall_64+0x6be/0x820
[  348.708352]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  348.713723]  ? syscall_return_slowpath+0x5e0/0x5e0
[  348.718870]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.723908]  ? trace_hardirqs_on_caller+0x310/0x310
[  348.728929]  ? prepare_exit_to_usermode+0x291/0x3b0
[  348.733950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  348.739069]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  348.744485] RIP: 0033:0x41124a
[  348.747708] Code: Bad RIP value.
[  348.751086] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  348.758801] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  348.766215] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  348.773734] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  348.781002] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  348.788272] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  348.795575] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  348.795581] warn_alloc_show_mem: 1 callbacks suppressed
[  348.795589] Mem-Info:
[  348.802891] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  348.808260] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  348.808260]  active_file:8 inactive_file:19 isolated_file:0
[  348.808260]  unevictable:0 dirty:0 writeback:0 unstable:0
[  348.808260]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  348.808260]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  348.808260]  free:13709 free_pcp:257 free_cma:0
[  348.810667] Call Trace:
[  348.820057] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  348.852989]  <IRQ>
[  348.855560] Node 0 
[  348.883232]  dump_stack+0x1c4/0x2b4
[  348.885380] 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
[  348.887616]  ? dump_stack_print_info.cold.2+0x52/0x52
[  348.891218] lowmem_reserve[]:
[  348.916750]  warn_alloc.cold.119+0xb7/0x1bd
[  348.921912]  0
[  348.925025]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  348.929339]  2819
[  348.931159]  ? lock_downgrade+0x900/0x900
[  348.935978]  6323
[  348.938046]  ? trace_hardirqs_off+0xb8/0x310
[  348.942168]  6323
[  348.944247]  ? trace_hardirqs_off+0xb8/0x310
[  348.950710]  __alloc_pages_slowpath+0x2667/0x2d80
[  348.955094] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  348.959962]  ? warn_alloc+0x120/0x120
[  348.959979]  ? lock_release+0x970/0x970
[  348.987279] lowmem_reserve[]: 0
[  348.991097]  ? warn_alloc+0x120/0x120
[  348.995047]  0
[  348.998345]  ? print_usage_bug+0xc0/0xc0
[  349.002140]  3503
[  349.003936]  ? warn_alloc+0x120/0x120
[  349.007980]  3503
[  349.010064]  ? print_usage_bug+0xc0/0xc0
[  349.015901]  ? __lock_acquire+0x7ec/0x4ec0
[  349.019940] Node 0 
[  349.024169]  ? __lock_acquire+0x7ec/0x4ec0
[  349.024199] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  349.024206] lowmem_reserve[]:
[  349.026447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.030657]  0
[  349.059020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.062106]  0
[  349.067661]  ? should_fail+0x22d/0xd01
[  349.069469]  0
[  349.075006]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.076787]  0
[  349.080699]  ? __lock_acquire+0x7ec/0x4ec0
[  349.087598]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  349.089400] Node 0 
[  349.093629]  ? __lock_acquire+0x7ec/0x4ec0
[  349.093646]  ? should_fail+0x22d/0xd01
[  349.098732] DMA: 
[  349.100969]  ? mark_held_locks+0x130/0x130
[  349.105177] 1*4kB 
[  349.109062]  ? mark_held_locks+0x130/0x130
[  349.111104] (U) 
[  349.115352]  ? graph_lock+0x170/0x170
[  349.117491] 0*8kB 
[  349.121743]  ? print_usage_bug+0xc0/0xc0
[  349.123697] 0*16kB 
[  349.127488]  ? graph_lock+0x170/0x170
[  349.129629] 1*32kB 
[  349.133686]  ? print_usage_bug+0xc0/0xc0
[  349.135911] (U) 
[  349.139710]  ? wq_watchdog_touch+0x9c/0xfe
[  349.141926] 2*64kB 
[  349.145985]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.147942] (U) 
[  349.152178]  ? check_preemption_disabled+0x48/0x200
[  349.154405] 1*128kB 
[  349.159951]  ? check_preemption_disabled+0x48/0x200
[  349.161915] (U) 
[  349.166947]  ? __lock_is_held+0xb5/0x140
[  349.169245] 1*256kB 
[  349.174258]  __alloc_pages_nodemask+0xa80/0xde0
[  349.176210] (U) 
[  349.180266]  ? graph_lock+0x170/0x170
[  349.182599] 0*512kB 
[  349.187288]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  349.189256] 1*1024kB 
[  349.193052]  ? graph_lock+0x170/0x170
[  349.195377] (U) 
[  349.200394]  ? find_held_lock+0x36/0x1c0
[  349.202783] 1*2048kB 
[  349.206582]  ? ____cache_alloc_node+0x1c7/0x1e0
[  349.208529] (M) 
[  349.212586]  ? lock_downgrade+0x900/0x900
[  349.214978] 3*4096kB 
[  349.219645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.221600] (M) 
[  349.225769]  cache_grow_begin+0x91/0x8c0
[  349.228154] = 15908kB
[  349.228164] Node 0 
[  349.233709]  ? do_raw_spin_unlock+0xa7/0x2f0
[  349.235700] DMA32: 
[  349.239759]  fallback_alloc+0x203/0x2e0
[  349.242147] 4*4kB 
[  349.244381]  ____cache_alloc_node+0x1c7/0x1e0
[  349.248767] (UM) 
[  349.250999]  kmem_cache_alloc_node+0xe3/0x730
[  349.254950] 2*8kB (UM) 
[  349.257110]  ? ipv6_get_ifaddr+0x42e/0x620
[  349.261579] 2*16kB 
[  349.263642]  __alloc_skb+0x119/0x770
[  349.268107] (M) 
[  349.270702]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  349.274908] 3*32kB 
[  349.277141]  ? skb_scrub_packet+0x490/0x490
[  349.280836] (UM) 
[  349.282833]  ? lock_downgrade+0x900/0x900
[  349.288090] 5*64kB 
[  349.290335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.294628] (UM) 
[  349.296689]  ? refcount_sub_and_test_checked+0x203/0x310
[  349.300839] 4*128kB 
[  349.303070]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  349.308581] (UM) 
[  349.310651]  ? addrconf_rs_timer+0x690/0x690
[  349.316074] 4*256kB (UM) 
[  349.318420]  ndisc_alloc_skb+0x144/0x340
[  349.323842] 3*512kB (M) 
[  349.325941]  ndisc_send_rs+0x331/0x6e0
[  349.330342] 3*1024kB (UM) 
[  349.333123]  addrconf_rs_timer+0x314/0x690
[  349.337161] 3*2048kB 
[  349.339827]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.343695] (M) 
[  349.346549]  call_timer_fn+0x272/0x920
[  349.350755] 3*4096kB 
[  349.353164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.357380] (M) 
[  349.359362]  ? process_timeout+0x40/0x40
[  349.363230] = 25056kB
[  349.365650]  ? find_held_lock+0x36/0x1c0
[  349.369862] Node 0 
[  349.371849]  ? __run_timers+0x7da/0xc70
[  349.375897] Normal: 
[  349.378321]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.382359] 798*4kB 
[  349.384598]  ? _raw_spin_unlock_irq+0x27/0x80
[  349.388550] (ME) 
[  349.390873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.395348] 471*8kB 
[  349.397676]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  349.402163] (UME) 
[  349.404252]  ? trace_hardirqs_on+0xbd/0x310
[  349.408468] 208*16kB 
[  349.410793]  ? kasan_check_read+0x11/0x20
[  349.415367] (UME) 
[  349.417515]  ? __run_timers+0x7da/0xc70
[  349.421816] 76*32kB 
[  349.424226]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  349.428350] (UME) 
[  349.430518]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.434470] 4*64kB (M) 
[  349.436804]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  349.442237] 1*128kB 
[  349.444383]  __run_timers+0x7e5/0xc70
[  349.448597] (U) 
[  349.451189]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  349.455391] 1*256kB (U) 
[  349.457728]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  349.461498] 1*512kB (U) 
[  349.463482]  ? graph_lock+0x170/0x170
[  349.468822] 0*1024kB 
[  349.471523]  ? enqueue_hrtimer+0x1a5/0x560
[  349.476517] 0*2048kB 
[  349.479185]  ? lock_release+0x970/0x970
[  349.482979] 0*4096kB 
[  349.485390]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  349.489600] = 13872kB
[  349.489615] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  349.492017]  ? find_held_lock+0x36/0x1c0
[  349.495984] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  349.498385]  ? graph_lock+0x170/0x170
[  349.503554] 1299 total pagecache pages
[  349.505978]  ? pvclock_read_flags+0x160/0x160
[  349.514799] 0 pages in swap cache
[  349.518854]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.527418] Swap cache stats: add 0, delete 0, find 0/0
[  349.527428] Free swap  = 0kB
[  349.531242]  ? check_preemption_disabled+0x48/0x200
[  349.535114] Total swap = 0kB
[  349.539627]  ? __lock_is_held+0xb5/0x140
[  349.543060] 1965979 pages RAM
[  349.548597]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.553943] 0 pages HighMem/MovableOnly
[  349.556961]  ? check_preemption_disabled+0x48/0x200
[  349.561951] 342306 pages reserved
[  349.561960] 0 pages cma reserved
[  349.564989]  run_timer_softirq+0x52/0xb0
[  349.569130] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  349.572143]  ? rcu_read_lock_sched_held+0x108/0x120
[  349.577763] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  349.581628]  __do_softirq+0x30b/0xad8
[  349.586622] syz-executor1 cpuset=
[  349.590082]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  349.593420] /
[  349.597481]  ? pvclock_read_flags+0x160/0x160
[  349.603955]  mems_allowed=0
[  349.608981]  ? lapic_next_event+0x5a/0x90
[  349.645007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.650557]  ? check_preemption_disabled+0x48/0x200
[  349.655575]  ? check_preemption_disabled+0x48/0x200
[  349.660614]  ? kvm_clock_read+0x18/0x30
[  349.664617]  ? kvm_sched_clock_read+0x9/0x20
[  349.669047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.674597]  ? check_preemption_disabled+0x48/0x200
[  349.679645]  irq_exit+0x17f/0x1c0
[  349.683115]  smp_apic_timer_interrupt+0x1cb/0x760
[  349.687956]  ? smp_reschedule_interrupt+0x109/0x650
[  349.692976]  ? smp_call_function_single_interrupt+0x650/0x650
[  349.698867]  ? interrupt_entry+0xb5/0xf0
[  349.702943]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.707959]  ? trace_hardirqs_off_caller+0xbb/0x310
[  349.712977]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.717821]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.722851]  ? trace_hardirqs_on_caller+0x310/0x310
[  349.727881]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.733422]  ? check_preemption_disabled+0x48/0x200
[  349.738439]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.743989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  349.748842]  apic_timer_interrupt+0xf/0x20
[  349.753071]  </IRQ>
[  349.755321] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  349.760259] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  349.779157] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  349.786865] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  349.794132] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  349.801398] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  349.808695] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  349.815966] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  349.823286]  skb_clone+0x1bb/0x500
[  349.826849]  ? finish_task_switch+0x1b5/0x900
[  349.831355]  ? skb_split+0x11e0/0x11e0
[  349.835281]  ? preempt_notifier_register+0x200/0x200
[  349.840396]  ? __switch_to_asm+0x34/0x70
[  349.844462]  ? __switch_to_asm+0x34/0x70
[  349.848530]  ? __switch_to_asm+0x40/0x70
[  349.852591]  ? __switch_to_asm+0x34/0x70
[  349.856651]  ? __switch_to_asm+0x40/0x70
[  349.860726]  ? __switch_to_asm+0x34/0x70
[  349.864802]  ? __switch_to_asm+0x40/0x70
[  349.868880]  ? __switch_to_asm+0x34/0x70
[  349.872939]  ? __switch_to_asm+0x34/0x70
[  349.877010]  ? __switch_to_asm+0x40/0x70
[  349.881077]  ? __switch_to_asm+0x34/0x70
[  349.885182]  bpf_clone_redirect+0xb9/0x490
[  349.889416]  ? __schedule+0x874/0x1ed0
[  349.893314]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  349.898351]  ? __sched_text_start+0x8/0x8
[  349.902508]  ? lockdep_hardirqs_on+0x421/0x5c0
[  349.907095]  ? retint_kernel+0x2d/0x2d
[  349.910984]  ? trace_hardirqs_on_caller+0xc0/0x310
[  349.915930]  ? find_held_lock+0x36/0x1c0
[  349.920011]  ? lock_acquire+0x1ed/0x520
[  349.923986]  ? bpf_test_run+0x3cb/0x780
[  349.927978]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  349.933520]  ? check_preemption_disabled+0x48/0x200
[  349.938548]  ? kasan_check_read+0x11/0x20
[  349.942703]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  349.947995]  ? rcu_bh_qs+0xc0/0xc0
[  349.951549]  ? preempt_schedule+0x4d/0x60
[  349.955724]  ? ___preempt_schedule+0x16/0x18
[  349.960140]  ? bpf_test_run+0x25d/0x780
[  349.964128]  ? netlink_diag_dump+0x2a0/0x2a0
[  349.968541]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  349.974086]  ? bpf_test_init.isra.9+0x70/0x100
[  349.978674]  ? bpf_prog_test_run_skb+0x634/0xb40
[  349.983441]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  349.988288]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  349.993838]  ? fput+0x130/0x1a0
[  349.997125]  ? __bpf_prog_get+0x9b/0x290
[  350.001189]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  350.006030]  ? bpf_prog_test_run+0x130/0x1a0
[  350.010446]  ? __x64_sys_bpf+0x3d8/0x510
[  350.014509]  ? bpf_prog_get+0x20/0x20
[  350.018348]  ? do_syscall_64+0x1b9/0x820
[  350.022415]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  350.027782]  ? syscall_return_slowpath+0x5e0/0x5e0
[  350.032718]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.037748]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  350.042768]  ? recalc_sigpending_tsk+0x180/0x180
[  350.047544]  ? kasan_check_write+0x14/0x20
[  350.051814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.056668]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  350.062068] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  350.062161] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  350.069352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  350.069358] Call Trace:
[  350.069363]  <IRQ>
[  350.069380]  dump_stack+0x1c4/0x2b4
[  350.069400]  ? dump_stack_print_info.cold.2+0x52/0x52
[  350.076513] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  350.085736]  warn_alloc.cold.119+0xb7/0x1bd
[  350.088289] syz-executor4 cpuset=
[  350.090469]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  350.094084] syz4 mems_allowed=0
[  350.099293]  ? lock_downgrade+0x900/0x900
[  350.129826]  ? trace_hardirqs_off+0xb8/0x310
[  350.134249]  ? trace_hardirqs_off+0xb8/0x310
[  350.138669]  __alloc_pages_slowpath+0x2667/0x2d80
[  350.144446]  ? warn_alloc+0x120/0x120
[  350.148257]  ? warn_alloc+0x120/0x120
[  350.152060]  ? print_usage_bug+0xc0/0xc0
[  350.156154]  ? warn_alloc+0x120/0x120
[  350.159954]  ? print_usage_bug+0xc0/0xc0
[  350.164028]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.169572]  ? should_fail+0x22d/0xd01
[  350.173459]  ? lock_downgrade+0x900/0x900
[  350.177615]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.183207]  ? __lock_acquire+0x7ec/0x4ec0
[  350.187466]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  350.192571]  ? __lock_acquire+0x7ec/0x4ec0
[  350.196803]  ? should_fail+0x22d/0xd01
[  350.200709]  ? mark_held_locks+0x130/0x130
[  350.204954]  ? mark_held_locks+0x130/0x130
[  350.209201]  ? select_task_rq_fair+0x754/0x3500
[  350.213871]  ? lock_downgrade+0x900/0x900
[  350.218017]  ? check_preemption_disabled+0x48/0x200
[  350.223029]  ? graph_lock+0x170/0x170
[  350.226835]  ? print_usage_bug+0xc0/0xc0
[  350.230901]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.236466]  ? check_preemption_disabled+0x48/0x200
[  350.241494]  ? check_preemption_disabled+0x48/0x200
[  350.246533]  ? __lock_is_held+0xb5/0x140
[  350.250602]  __alloc_pages_nodemask+0xa80/0xde0
[  350.255274]  ? graph_lock+0x170/0x170
[  350.259099]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  350.264110]  ? graph_lock+0x170/0x170
[  350.267925]  ? find_held_lock+0x36/0x1c0
[  350.272011]  ? ____cache_alloc_node+0x1c7/0x1e0
[  350.276709]  ? lock_downgrade+0x900/0x900
[  350.280879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.286422]  cache_grow_begin+0x91/0x8c0
[  350.290489]  ? do_raw_spin_unlock+0xa7/0x2f0
[  350.294908]  fallback_alloc+0x203/0x2e0
[  350.298889]  ____cache_alloc_node+0x1c7/0x1e0
[  350.303430]  kmem_cache_alloc_node+0xe3/0x730
[  350.307924]  ? ipv6_get_ifaddr+0x42e/0x620
[  350.312168]  __alloc_skb+0x119/0x770
[  350.315888]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  350.321170]  ? skb_scrub_packet+0x490/0x490
[  350.325505]  ? lock_downgrade+0x900/0x900
[  350.329660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.335198]  ? refcount_sub_and_test_checked+0x203/0x310
[  350.340653]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  350.346107]  ? addrconf_rs_timer+0x690/0x690
[  350.350530]  ndisc_alloc_skb+0x144/0x340
[  350.354600]  ndisc_send_rs+0x331/0x6e0
[  350.358496]  addrconf_rs_timer+0x314/0x690
[  350.362738]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.366991]  call_timer_fn+0x272/0x920
[  350.370879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.375129]  ? process_timeout+0x40/0x40
[  350.379186]  ? find_held_lock+0x36/0x1c0
[  350.383255]  ? mark_held_locks+0xc7/0x130
[  350.387409]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.391907]  ? _raw_spin_unlock_irq+0x27/0x80
[  350.396400]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.400639]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  350.405221]  ? trace_hardirqs_on+0xbd/0x310
[  350.409562]  ? kasan_check_read+0x11/0x20
[  350.413712]  ? __run_timers+0x7da/0xc70
[  350.417690]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  350.423152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  350.427390]  __run_timers+0x7e5/0xc70
[  350.431202]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  350.436568]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.441586]  ? graph_lock+0x170/0x170
[  350.445392]  ? print_usage_bug+0xc0/0xc0
[  350.449456]  ? lock_release+0x970/0x970
[  350.453437]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  350.458634]  ? find_held_lock+0x36/0x1c0
[  350.462699]  ? graph_lock+0x170/0x170
[  350.466507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.472051]  ? check_preemption_disabled+0x48/0x200
[  350.477105]  ? __lock_is_held+0xb5/0x140
[  350.481168]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.486720]  ? check_preemption_disabled+0x48/0x200
[  350.491750]  run_timer_softirq+0x52/0xb0
[  350.495826]  ? rcu_read_lock_sched_held+0x108/0x120
[  350.500858]  __do_softirq+0x30b/0xad8
[  350.504684]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  350.509822]  ? pvclock_read_flags+0x160/0x160
[  350.514333]  ? lapic_next_event+0x5a/0x90
[  350.518485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.524032]  ? check_preemption_disabled+0x48/0x200
[  350.529051]  ? check_preemption_disabled+0x48/0x200
[  350.534077]  ? kvm_clock_read+0x18/0x30
[  350.538056]  ? kvm_sched_clock_read+0x9/0x20
[  350.542474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.548017]  ? check_preemption_disabled+0x48/0x200
[  350.553052]  irq_exit+0x17f/0x1c0
[  350.556507]  smp_apic_timer_interrupt+0x1cb/0x760
[  350.561353]  ? smp_call_function_single_interrupt+0x650/0x650
[  350.567247]  ? interrupt_entry+0xb5/0xf0
[  350.571319]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.576343]  ? trace_hardirqs_off_caller+0xbb/0x310
[  350.581364]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.586211]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.591232]  ? trace_hardirqs_on_caller+0x310/0x310
[  350.596246]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.601785]  ? check_preemption_disabled+0x48/0x200
[  350.606802]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.612414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  350.617267]  apic_timer_interrupt+0xf/0x20
[  350.621498]  </IRQ>
[  350.623738] RIP: 0010:lock_acquire+0x268/0x520
[  350.628329] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  350.647230] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  350.654939] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  350.662206] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  350.669473] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  350.676752] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  350.684021] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  350.691325]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.696869]  ? lock_release+0x970/0x970
[  350.700861]  ? activate_page+0x1040/0x1040
[  350.705105]  ? __unlock_page_memcg+0x53/0x100
[  350.709606]  ? check_preemption_disabled+0x48/0x200
[  350.714670]  lock_page_memcg+0x95/0x350
[  350.718673]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  350.723878]  ? rcu_bh_qs+0xc0/0xc0
[  350.727423]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  350.732628]  page_remove_rmap+0x855/0x1a30
[  350.736882]  ? page_add_file_rmap+0x1470/0x1470
[  350.741559]  ? __lock_is_held+0xb5/0x140
[  350.745635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.751178]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.756713]  ? lru_add_drain_cpu+0x1c0/0x500
[  350.761129]  ? free_pages_and_swap_cache+0x475/0x6f0
[  350.766237]  ? free_page_and_swap_cache+0x950/0x950
[  350.771261]  ? kasan_check_read+0x11/0x20
[  350.775439]  ? page_mapcount+0x3b5/0x5d0
[  350.779520]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  350.784373]  ? lock_downgrade+0x900/0x900
[  350.788547]  ? lock_release+0x970/0x970
[  350.792527]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  350.797546]  ? _vm_normal_page+0x161/0x3c0
[  350.801785]  ? __pte_alloc_kernel+0x220/0x220
[  350.806281]  ? kasan_check_write+0x14/0x20
[  350.810530]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  350.815547]  ? __tlb_remove_page_size+0x187/0x500
[  350.820428]  unmap_page_range+0xf14/0x2030
[  350.824689]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  350.829190]  ? search_extable+0x80/0xb0
[  350.833166]  ? trim_init_extable+0x3a0/0x3a0
[  350.837583]  ? __get_user_8+0x21/0x2b
[  350.841386]  ? print_usage_bug+0xc0/0xc0
[  350.845510]  ? __lock_acquire+0x7ec/0x4ec0
[  350.849750]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  350.855292]  ? no_context+0xd9/0x980
[  350.859025]  ? lock_downgrade+0x900/0x900
[  350.863173]  ? graph_lock+0x170/0x170
[  350.866982]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  350.872519]  ? tlb_flush_mmu_free+0x135/0x1b0
[  350.877025]  ? find_held_lock+0x36/0x1c0
[  350.881280]  ? exit_mmap+0x4bb/0x590
[  350.885003]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  350.890537]  ? uprobe_munmap+0x14c/0x450
[  350.894604]  ? uprobe_mmap+0xd50/0xd50
[  350.898491]  ? lock_release+0x970/0x970
[  350.902468]  ? arch_local_save_flags+0x40/0x40
[  350.907062]  ? rwsem_down_write_failed+0xe/0x10
[  350.911732]  ? rwsem_down_write_failed+0xe/0x10
[  350.916419]  ? call_rwsem_down_write_failed+0x17/0x30
[  350.921618]  unmap_single_vma+0x19b/0x310
[  350.925778]  unmap_vmas+0x125/0x200
[  350.929415]  exit_mmap+0x2be/0x590
[  350.932961]  ? __ia32_sys_munmap+0x80/0x80
[  350.937216]  ? __might_sleep+0x95/0x190
[  350.941192]  mmput+0x247/0x610
[  350.944385]  ? lock_downgrade+0x900/0x900
[  350.948542]  ? set_mm_exe_file+0x200/0x200
[  350.952780]  ? kasan_check_read+0x11/0x20
[  350.956928]  ? do_raw_spin_unlock+0xa7/0x2f0
[  350.961347]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  350.965958]  ? kasan_check_write+0x14/0x20
[  350.970192]  ? do_raw_spin_lock+0xc1/0x200
[  350.974436]  do_exit+0xe6f/0x2610
[  350.977891]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  350.982911]  ? mm_update_next_owner+0x990/0x990
[  350.987581]  ? print_usage_bug+0xc0/0xc0
[  350.991643]  ? graph_lock+0x170/0x170
[  350.995449]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.000988]  ? check_preemption_disabled+0x48/0x200
[  351.006003]  ? check_preemption_disabled+0x48/0x200
[  351.011022]  ? print_usage_bug+0xc0/0xc0
[  351.015095]  ? __lock_acquire+0x7ec/0x4ec0
[  351.019349]  ? __lock_acquire+0x7ec/0x4ec0
[  351.023611]  ? mark_held_locks+0x130/0x130
[  351.027893]  ? mark_held_locks+0x130/0x130
[  351.032128]  ? kasan_check_write+0x14/0x20
[  351.036364]  ? finish_task_switch+0x2f5/0x900
[  351.040867]  ? __switch_to_asm+0x40/0x70
[  351.044937]  ? __switch_to_asm+0x34/0x70
[  351.048999]  ? __switch_to_asm+0x34/0x70
[  351.053061]  ? __switch_to_asm+0x40/0x70
[  351.057120]  ? __switch_to_asm+0x34/0x70
[  351.061183]  ? __switch_to_asm+0x40/0x70
[  351.065247]  ? __switch_to_asm+0x34/0x70
[  351.069321]  ? __switch_to_asm+0x34/0x70
[  351.073391]  ? __switch_to_asm+0x34/0x70
[  351.077457]  ? __switch_to_asm+0x34/0x70
[  351.081522]  ? __switch_to_asm+0x40/0x70
[  351.085588]  ? __switch_to_asm+0x34/0x70
[  351.089649]  ? __switch_to_asm+0x40/0x70
[  351.093741]  ? graph_lock+0x170/0x170
[  351.097553]  ? graph_lock+0x170/0x170
[  351.101359]  ? graph_lock+0x170/0x170
[  351.105169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.110723]  ? wait_consider_task+0x245/0x3bb0
[  351.115318]  ? memset+0x31/0x40
[  351.118607]  ? find_held_lock+0x36/0x1c0
[  351.122680]  ? get_signal+0x95b/0x1980
[  351.126592]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.131113]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.135620]  do_group_exit+0x177/0x440
[  351.139513]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.144963]  ? __ia32_sys_exit+0x50/0x50
[  351.149039]  get_signal+0x8b0/0x1980
[  351.152765]  ? ptrace_notify+0x130/0x130
[  351.156823]  ? do_wait+0x57d/0xb90
[  351.160388]  ? wait_consider_task+0x3bb0/0x3bb0
[  351.165059]  ? graph_lock+0x170/0x170
[  351.168863]  ? graph_lock+0x170/0x170
[  351.172664]  ? graph_lock+0x170/0x170
[  351.176482]  do_signal+0x9c/0x21e0
[  351.180021]  ? find_held_lock+0x36/0x1c0
[  351.184089]  ? setup_sigcontext+0x7d0/0x7d0
[  351.188411]  ? kernel_wait4+0x2e0/0x3f0
[  351.192399]  ? __ia32_sys_waitid+0x140/0x140
[  351.196825]  ? task_stopped_code+0x190/0x190
[  351.201247]  ? exit_to_usermode_loop+0x8c/0x380
[  351.205936]  ? __do_page_fault+0x4a6/0xed0
[  351.210170]  ? do_syscall_64+0x9a/0x820
[  351.214156]  ? do_syscall_64+0x9a/0x820
[  351.218150]  exit_to_usermode_loop+0x2e5/0x380
[  351.222753]  ? syscall_slow_exit_work+0x520/0x520
[  351.227610]  do_syscall_64+0x6be/0x820
[  351.231498]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  351.236870]  ? syscall_return_slowpath+0x5e0/0x5e0
[  351.241808]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.246660]  ? trace_hardirqs_on_caller+0x310/0x310
[  351.251681]  ? prepare_exit_to_usermode+0x291/0x3b0
[  351.256708]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  351.261560]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  351.266746] RIP: 0033:0x41124a
[  351.269945] Code: Bad RIP value.
[  351.273313] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  351.281025] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  351.288293] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  351.295571] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  351.302842] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  351.310110] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  351.317499] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  351.317505] warn_alloc_show_mem: 1 callbacks suppressed
[  351.317513] Mem-Info:
[  351.324797] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  351.324806] Call Trace:
[  351.330289] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  351.330289]  active_file:8 inactive_file:19 isolated_file:0
[  351.330289]  unevictable:0 dirty:0 writeback:0 unstable:0
[  351.330289]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  351.330289]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  351.330289]  free:13709 free_pcp:257 free_cma:0
[  351.332669]  <IRQ>
[  351.342043] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  351.344625]  dump_stack+0x1c4/0x2b4
[  351.377588] Node 0 
[  351.379740]  ? dump_stack_print_info.cold.2+0x52/0x52
[  351.407412] 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
[  351.411020]  warn_alloc.cold.119+0xb7/0x1bd
[  351.413226] lowmem_reserve[]:
[  351.418440]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  351.443909]  0 2819
[  351.448237]  ? lock_downgrade+0x900/0x900
[  351.451327]  6323
[  351.456175]  ? trace_hardirqs_off+0xb8/0x310
[  351.458383]  6323
[  351.462560]  ? trace_hardirqs_off+0xb8/0x310
[  351.464604] Node 0 
[  351.469012]  __alloc_pages_slowpath+0x2667/0x2d80
[  351.471074] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  351.475483]  ? warn_alloc+0x120/0x120
[  351.477672] lowmem_reserve[]:
[  351.482515]  ? lock_release+0x970/0x970
[  351.509199]  0 0
[  351.513003]  ? warn_alloc+0x120/0x120
[  351.516086]  3503
[  351.520059]  ? print_usage_bug+0xc0/0xc0
[  351.522007]  3503
[  351.525813]  ? warn_alloc+0x120/0x120
[  351.527863] Node 0 
[  351.531919]  ? print_usage_bug+0xc0/0xc0
[  351.533986] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  351.537754]  ? __lock_acquire+0x7ec/0x4ec0
[  351.539968] lowmem_reserve[]:
[  351.544022]  ? __lock_acquire+0x7ec/0x4ec0
[  351.572362]  0 0
[  351.576607]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  351.579686]  0
[  351.583921]  ? should_fail+0x22d/0xd01
[  351.585886]  0
[  351.591428]  ? __lock_acquire+0x7ec/0x4ec0
[  351.597087]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.598868] Node 0 
[  351.603097]  ? __lock_acquire+0x7ec/0x4ec0
[  351.608176] DMA: 
[  351.610419]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  351.614631] 1*4kB 
[  351.616698]  ? __lock_acquire+0x7ec/0x4ec0
[  351.621791] (U) 
[  351.623940]  ? should_fail+0x22d/0xd01
[  351.628151] 0*8kB 
[  351.630127]  ? mark_held_locks+0x130/0x130
[  351.633987] 0*16kB 
[  351.636142]  ? mark_held_locks+0x130/0x130
[  351.640353] 1*32kB 
[  351.642588]  ? graph_lock+0x170/0x170
[  351.646787] (U) 2*64kB 
[  351.649031]  ? print_usage_bug+0xc0/0xc0
[  351.652819] (U) 
[  351.655402]  ? wq_watchdog_touch+0x9c/0xfe
[  351.659441] 1*128kB 
[  351.661445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.665692] (U) 
[  351.668017]  ? check_preemption_disabled+0x48/0x200
[  351.673531] 1*256kB 
[  351.675513]  ? check_preemption_disabled+0x48/0x200
[  351.680508] (U) 
[  351.682834]  ? __lock_is_held+0xb5/0x140
[  351.687846] 0*512kB 
[  351.689823]  __alloc_pages_nodemask+0xa80/0xde0
[  351.693865] 1*1024kB 
[  351.696200]  ? graph_lock+0x170/0x170
[  351.700853] (U) 
[  351.703267]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  351.707046] 1*2048kB 
[  351.709020]  ? graph_lock+0x170/0x170
[  351.714015] (M) 
[  351.716433]  ? find_held_lock+0x36/0x1c0
[  351.720245] 3*4096kB 
[  351.722225]  ? ____cache_alloc_node+0x1c7/0x1e0
[  351.726271] (M) 
[  351.728691]  ? lock_downgrade+0x900/0x900
[  351.733342] = 15908kB
[  351.735329]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.739451] Node 0 
[  351.741863]  cache_grow_begin+0x91/0x8c0
[  351.747376] DMA32: 
[  351.749614]  ? do_raw_spin_unlock+0xa7/0x2f0
[  351.753655] 4*4kB 
[  351.755892]  fallback_alloc+0x203/0x2e0
[  351.760281] (UM) 
[  351.762445]  ____cache_alloc_node+0x1c7/0x1e0
[  351.766394] 2*8kB 
[  351.768451]  kmem_cache_alloc_node+0xe3/0x730
[  351.772930] (UM) 
[  351.775080]  ? ipv6_get_ifaddr+0x42e/0x620
[  351.779551] 2*16kB 
[  351.781614]  __alloc_skb+0x119/0x770
[  351.785817] (M) 
[  351.788054]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  351.791742] 3*32kB 
[  351.793731]  ? skb_scrub_packet+0x490/0x490
[  351.798983] (UM) 
[  351.801228]  ? lock_downgrade+0x900/0x900
[  351.805552] 5*64kB 
[  351.807625]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  351.811744] (UM) 
[  351.813982]  ? refcount_sub_and_test_checked+0x203/0x310
[  351.819499] 4*128kB 
[  351.821562]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  351.826986] (UM) 
[  351.829315]  ? addrconf_rs_timer+0x690/0x690
[  351.834756] 4*256kB 
[  351.836841]  ndisc_alloc_skb+0x144/0x340
[  351.841224] (UM) 
[  351.843544]  ndisc_send_rs+0x331/0x6e0
[  351.847580] 3*512kB (M) 
[  351.849655]  addrconf_rs_timer+0x314/0x690
[  351.853518] 3*1024kB 
[  351.856184]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.860393] (UM) 
[  351.862807]  call_timer_fn+0x272/0x920
[  351.867007] 3*2048kB 
[  351.869061]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.872923] (M) 
[  351.875344]  ? process_timeout+0x40/0x40
[  351.879554] 3*4096kB 
[  351.881523]  ? find_held_lock+0x36/0x1c0
[  351.885565] (M) 
[  351.887980]  ? __run_timers+0x7da/0xc70
[  351.892010] = 25056kB
[  351.892019] Node 0 
[  351.894021]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.897971] Normal: 
[  351.900379]  ? _raw_spin_unlock_irq+0x27/0x80
[  351.902597] 798*4kB 
[  351.907089]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.909387] (ME) 
[  351.913890]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  351.916195] 471*8kB 
[  351.920428]  ? trace_hardirqs_on+0xbd/0x310
[  351.922467] (UME) 
[  351.927055]  ? kasan_check_read+0x11/0x20
[  351.929362] 208*16kB 
[  351.933684]  ? __run_timers+0x7da/0xc70
[  351.935845] (UME) 
[  351.939997]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  351.942386] 76*32kB 
[  351.946374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  351.948502] (UME) 
[  351.953961]  __run_timers+0x7e5/0xc70
[  351.956262] 4*64kB 
[  351.960503]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  351.962627] (M) 
[  351.966427]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  351.968644] 1*128kB 
[  351.973998]  ? graph_lock+0x170/0x170
[  351.975951] (U) 
[  351.980977]  ? enqueue_hrtimer+0x1a5/0x560
[  351.983282] 1*256kB 
[  351.987085]  ? lock_release+0x970/0x970
[  351.989048] (U) 
[  351.993273]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  351.993317]  ? find_held_lock+0x36/0x1c0
[  351.995662] 1*512kB 
[  351.999636]  ? graph_lock+0x170/0x170
[  352.001596] (U) 
[  352.006782]  ? pvclock_read_flags+0x160/0x160
[  352.010829] 0*1024kB 
[  352.013148]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.016918] 0*2048kB 0*4096kB 
[  352.018902]  ? check_preemption_disabled+0x48/0x200
[  352.023371] = 13872kB
[  352.025786]  ? __lock_is_held+0xb5/0x140
[  352.031303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  352.034492]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.039499] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  352.041905]  ? check_preemption_disabled+0x48/0x200
[  352.045959] 1299 total pagecache pages
[  352.054796]  run_timer_softirq+0x52/0xb0
[  352.060333] 0 pages in swap cache
[  352.068907]  ? rcu_read_lock_sched_held+0x108/0x120
[  352.073979] Swap cache stats: add 0, delete 0, find 0/0
[  352.073982] Free swap  = 0kB
[  352.073985] Total swap = 0kB
[  352.073989] 1965979 pages RAM
[  352.073992] 0 pages HighMem/MovableOnly
[  352.073995] 342306 pages reserved
[  352.073997] 0 pages cma reserved
[  352.074055] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.074104] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.074120] syz-executor1 cpuset=/ mems_allowed=0
[  352.137721]  __do_softirq+0x30b/0xad8
[  352.141535]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  352.146646]  ? pvclock_read_flags+0x160/0x160
[  352.151143]  ? lapic_next_event+0x5a/0x90
[  352.155325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.160874]  ? check_preemption_disabled+0x48/0x200
[  352.165890]  ? check_preemption_disabled+0x48/0x200
[  352.170932]  ? kvm_clock_read+0x18/0x30
[  352.174927]  ? kvm_sched_clock_read+0x9/0x20
[  352.179354]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.185046]  ? check_preemption_disabled+0x48/0x200
[  352.190079]  irq_exit+0x17f/0x1c0
[  352.193533]  smp_apic_timer_interrupt+0x1cb/0x760
[  352.198378]  ? smp_reschedule_interrupt+0x109/0x650
[  352.203395]  ? smp_call_function_single_interrupt+0x650/0x650
[  352.209283]  ? interrupt_entry+0xb5/0xf0
[  352.213359]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.218381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  352.223405]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.228251]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.233267]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.238289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.243837]  ? check_preemption_disabled+0x48/0x200
[  352.248855]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.254404]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.259254]  apic_timer_interrupt+0xf/0x20
[  352.263487]  </IRQ>
[  352.265734] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  352.270673] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  352.289586] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  352.297291] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  352.304561] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  352.311834] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  352.319098] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  352.326362] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  352.333668]  skb_clone+0x1bb/0x500
[  352.337209]  ? finish_task_switch+0x1b5/0x900
[  352.341734]  ? skb_split+0x11e0/0x11e0
[  352.345631]  ? preempt_notifier_register+0x200/0x200
[  352.350737]  ? __switch_to_asm+0x34/0x70
[  352.354800]  ? __switch_to_asm+0x34/0x70
[  352.358861]  ? __switch_to_asm+0x40/0x70
[  352.362936]  ? __switch_to_asm+0x34/0x70
[  352.367000]  ? __switch_to_asm+0x40/0x70
[  352.371059]  ? __switch_to_asm+0x34/0x70
[  352.375123]  ? __switch_to_asm+0x40/0x70
[  352.379185]  ? __switch_to_asm+0x34/0x70
[  352.383262]  ? __switch_to_asm+0x34/0x70
[  352.387329]  ? __switch_to_asm+0x40/0x70
[  352.391400]  ? __switch_to_asm+0x34/0x70
[  352.395469]  bpf_clone_redirect+0xb9/0x490
[  352.399709]  ? __schedule+0x874/0x1ed0
[  352.403603]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  352.408623]  ? __sched_text_start+0x8/0x8
[  352.412786]  ? lockdep_hardirqs_on+0x421/0x5c0
[  352.417375]  ? retint_kernel+0x2d/0x2d
[  352.421263]  ? trace_hardirqs_on_caller+0xc0/0x310
[  352.426201]  ? find_held_lock+0x36/0x1c0
[  352.430272]  ? lock_acquire+0x1ed/0x520
[  352.434252]  ? bpf_test_run+0x3cb/0x780
[  352.438231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.443767]  ? check_preemption_disabled+0x48/0x200
[  352.448790]  ? kasan_check_read+0x11/0x20
[  352.452944]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  352.458237]  ? rcu_bh_qs+0xc0/0xc0
[  352.461780]  ? preempt_schedule+0x4d/0x60
[  352.465932]  ? ___preempt_schedule+0x16/0x18
[  352.470351]  ? bpf_test_run+0x25d/0x780
[  352.474351]  ? netlink_diag_dump+0x2a0/0x2a0
[  352.478769]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.484315]  ? bpf_test_init.isra.9+0x70/0x100
[  352.488933]  ? bpf_prog_test_run_skb+0x634/0xb40
[  352.493714]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  352.498564]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  352.504102]  ? fput+0x130/0x1a0
[  352.507383]  ? __bpf_prog_get+0x9b/0x290
[  352.511446]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  352.516292]  ? bpf_prog_test_run+0x130/0x1a0
[  352.520718]  ? __x64_sys_bpf+0x3d8/0x510
[  352.524780]  ? bpf_prog_get+0x20/0x20
[  352.528611]  ? do_syscall_64+0x1b9/0x820
[  352.532713]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  352.538096]  ? syscall_return_slowpath+0x5e0/0x5e0
[  352.543053]  ? trace_hardirqs_on_caller+0x310/0x310
[  352.548069]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  352.553105]  ? recalc_sigpending_tsk+0x180/0x180
[  352.557862]  ? kasan_check_write+0x14/0x20
[  352.562106]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  352.566975]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  352.572363] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  352.572448] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  352.579643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  352.579648] Call Trace:
[  352.579655]  <IRQ>
[  352.579686]  dump_stack+0x1c4/0x2b4
[  352.579717]  ? dump_stack_print_info.cold.2+0x52/0x52
[  352.586252] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  352.595555]  warn_alloc.cold.119+0xb7/0x1bd
[  352.598111] syz-executor4 cpuset=
[  352.600270]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  352.603878] syz4
[  352.609067]  ? lock_downgrade+0x900/0x900
[  352.619536]  mems_allowed=0
[  352.623857]  ? trace_hardirqs_off+0xb8/0x310
[  352.645519]  ? trace_hardirqs_off+0xb8/0x310
[  352.649946]  __alloc_pages_slowpath+0x2667/0x2d80
[  352.654828]  ? warn_alloc+0x120/0x120
[  352.658636]  ? warn_alloc+0x120/0x120
[  352.662437]  ? print_usage_bug+0xc0/0xc0
[  352.666496]  ? warn_alloc+0x120/0x120
[  352.670292]  ? lock_release+0x970/0x970
[  352.674272]  ? print_usage_bug+0xc0/0xc0
[  352.678344]  ? __lock_acquire+0x7ec/0x4ec0
[  352.682580]  ? __lock_acquire+0x7ec/0x4ec0
[  352.686815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  352.692361]  ? should_fail+0x22d/0xd01
[  352.696262]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.701365]  ? __lock_acquire+0x7ec/0x4ec0
[  352.705600]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  352.710702]  ? __lock_acquire+0x7ec/0x4ec0
[  352.714932]  ? should_fail+0x22d/0xd01
[  352.718831]  ? mark_held_locks+0x130/0x130
[  352.723079]  ? mark_held_locks+0x130/0x130
[  352.727322]  ? kvm_clock_read+0x18/0x30
[  352.731296]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  352.736329]  ? ktime_get+0x2e1/0x440
[  352.740045]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.745581]  ? graph_lock+0x170/0x170
[  352.749381]  ? print_usage_bug+0xc0/0xc0
[  352.753468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.759030]  ? check_preemption_disabled+0x48/0x200
[  352.764047]  ? check_preemption_disabled+0x48/0x200
[  352.769067]  ? __lock_is_held+0xb5/0x140
[  352.773131]  __alloc_pages_nodemask+0xa80/0xde0
[  352.777808]  ? graph_lock+0x170/0x170
[  352.781617]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  352.786646]  ? graph_lock+0x170/0x170
[  352.790456]  ? find_held_lock+0x36/0x1c0
[  352.794528]  ? ____cache_alloc_node+0x1c7/0x1e0
[  352.799206]  ? lock_downgrade+0x900/0x900
[  352.803369]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.808926]  cache_grow_begin+0x91/0x8c0
[  352.813007]  ? do_raw_spin_unlock+0xa7/0x2f0
[  352.817429]  fallback_alloc+0x203/0x2e0
[  352.821420]  ____cache_alloc_node+0x1c7/0x1e0
[  352.825926]  kmem_cache_alloc_node+0xe3/0x730
[  352.830425]  ? ipv6_get_ifaddr+0x42e/0x620
[  352.834682]  __alloc_skb+0x119/0x770
[  352.838431]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  352.843717]  ? skb_scrub_packet+0x490/0x490
[  352.848046]  ? lock_downgrade+0x900/0x900
[  352.852211]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  352.857760]  ? refcount_sub_and_test_checked+0x203/0x310
[  352.863213]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  352.868665]  ? addrconf_rs_timer+0x690/0x690
[  352.873104]  ndisc_alloc_skb+0x144/0x340
[  352.877173]  ndisc_send_rs+0x331/0x6e0
[  352.881069]  addrconf_rs_timer+0x314/0x690
[  352.885320]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.889927]  call_timer_fn+0x272/0x920
[  352.893825]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.899075]  ? process_timeout+0x40/0x40
[  352.903486]  ? find_held_lock+0x36/0x1c0
[  352.908257]  ? mark_held_locks+0xc7/0x130
[  352.912780]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.917376]  ? _raw_spin_unlock_irq+0x27/0x80
[  352.922014]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.926248]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  352.930829]  ? trace_hardirqs_on+0xbd/0x310
[  352.935156]  ? kasan_check_read+0x11/0x20
[  352.939512]  ? __run_timers+0x7da/0xc70
[  352.943606]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  352.949060]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.953300]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  352.957548]  __run_timers+0x7e5/0xc70
[  352.961364]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  352.966741]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  352.971766]  ? graph_lock+0x170/0x170
[  352.975571]  ? print_usage_bug+0xc0/0xc0
[  352.979638]  ? lock_release+0x970/0x970
[  352.983613]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  352.988810]  ? find_held_lock+0x36/0x1c0
[  352.992880]  ? graph_lock+0x170/0x170
[  352.996687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.002227]  ? check_preemption_disabled+0x48/0x200
[  353.007253]  ? __lock_is_held+0xb5/0x140
[  353.011323]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.016866]  ? check_preemption_disabled+0x48/0x200
[  353.021894]  run_timer_softirq+0x52/0xb0
[  353.025956]  ? rcu_read_lock_sched_held+0x108/0x120
[  353.030975]  __do_softirq+0x30b/0xad8
[  353.034790]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  353.039903]  ? pvclock_read_flags+0x160/0x160
[  353.044400]  ? lapic_next_event+0x5a/0x90
[  353.048548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.054089]  ? check_preemption_disabled+0x48/0x200
[  353.059103]  ? check_preemption_disabled+0x48/0x200
[  353.064127]  ? kvm_clock_read+0x18/0x30
[  353.068100]  ? kvm_sched_clock_read+0x9/0x20
[  353.072512]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.078052]  ? check_preemption_disabled+0x48/0x200
[  353.083094]  irq_exit+0x17f/0x1c0
[  353.086551]  smp_apic_timer_interrupt+0x1cb/0x760
[  353.091409]  ? smp_call_function_single_interrupt+0x650/0x650
[  353.097303]  ? interrupt_entry+0xb5/0xf0
[  353.101381]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.106403]  ? trace_hardirqs_off_caller+0xbb/0x310
[  353.111426]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.116270]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.121294]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.126328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.131886]  ? check_preemption_disabled+0x48/0x200
[  353.136903]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.142451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.147302]  apic_timer_interrupt+0xf/0x20
[  353.151539]  </IRQ>
[  353.153789] RIP: 0010:lock_acquire+0x268/0x520
[  353.158376] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  353.177274] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  353.184995] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  353.192262] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  353.199527] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  353.206810] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  353.214078] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  353.221376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.226918]  ? lock_release+0x970/0x970
[  353.230894]  ? activate_page+0x1040/0x1040
[  353.235137]  ? __unlock_page_memcg+0x53/0x100
[  353.239637]  ? check_preemption_disabled+0x48/0x200
[  353.244662]  lock_page_memcg+0x95/0x350
[  353.248649]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  353.253860]  ? rcu_bh_qs+0xc0/0xc0
[  353.257404]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  353.262603]  page_remove_rmap+0x855/0x1a30
[  353.266842]  ? page_add_file_rmap+0x1470/0x1470
[  353.271514]  ? __lock_is_held+0xb5/0x140
[  353.275612]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.281154]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.286692]  ? lru_add_drain_cpu+0x1c0/0x500
[  353.291108]  ? free_pages_and_swap_cache+0x475/0x6f0
[  353.296219]  ? free_page_and_swap_cache+0x950/0x950
[  353.301238]  ? kasan_check_read+0x11/0x20
[  353.305384]  ? page_mapcount+0x3b5/0x5d0
[  353.309445]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  353.314299]  ? lock_downgrade+0x900/0x900
[  353.318460]  ? lock_release+0x970/0x970
[  353.322439]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  353.327455]  ? _vm_normal_page+0x161/0x3c0
[  353.331691]  ? __pte_alloc_kernel+0x220/0x220
[  353.336187]  ? kasan_check_write+0x14/0x20
[  353.340421]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  353.345434]  ? __tlb_remove_page_size+0x187/0x500
[  353.350277]  unmap_page_range+0xf14/0x2030
[  353.354557]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  353.359080]  ? search_extable+0x80/0xb0
[  353.363065]  ? trim_init_extable+0x3a0/0x3a0
[  353.367475]  ? __get_user_8+0x21/0x2b
[  353.371283]  ? print_usage_bug+0xc0/0xc0
[  353.375366]  ? __lock_acquire+0x7ec/0x4ec0
[  353.379607]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  353.385150]  ? no_context+0xd9/0x980
[  353.388867]  ? lock_downgrade+0x900/0x900
[  353.393012]  ? graph_lock+0x170/0x170
[  353.396831]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.402376]  ? tlb_flush_mmu_free+0x135/0x1b0
[  353.406892]  ? find_held_lock+0x36/0x1c0
[  353.410965]  ? exit_mmap+0x4bb/0x590
[  353.414695]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  353.420234]  ? uprobe_munmap+0x14c/0x450
[  353.424331]  ? uprobe_mmap+0xd50/0xd50
[  353.428248]  ? lock_release+0x970/0x970
[  353.432229]  ? arch_local_save_flags+0x40/0x40
[  353.436820]  ? rwsem_down_write_failed+0xe/0x10
[  353.441491]  ? rwsem_down_write_failed+0xe/0x10
[  353.446157]  ? call_rwsem_down_write_failed+0x17/0x30
[  353.451368]  unmap_single_vma+0x19b/0x310
[  353.455527]  unmap_vmas+0x125/0x200
[  353.459177]  exit_mmap+0x2be/0x590
[  353.462721]  ? __ia32_sys_munmap+0x80/0x80
[  353.466986]  ? __might_sleep+0x95/0x190
[  353.470977]  mmput+0x247/0x610
[  353.474168]  ? lock_downgrade+0x900/0x900
[  353.478323]  ? set_mm_exe_file+0x200/0x200
[  353.482569]  ? kasan_check_read+0x11/0x20
[  353.486729]  ? do_raw_spin_unlock+0xa7/0x2f0
[  353.491139]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  353.495728]  ? kasan_check_write+0x14/0x20
[  353.499964]  ? do_raw_spin_lock+0xc1/0x200
[  353.504207]  do_exit+0xe6f/0x2610
[  353.507662]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  353.512687]  ? mm_update_next_owner+0x990/0x990
[  353.517356]  ? print_usage_bug+0xc0/0xc0
[  353.521414]  ? graph_lock+0x170/0x170
[  353.525220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.530769]  ? check_preemption_disabled+0x48/0x200
[  353.535788]  ? check_preemption_disabled+0x48/0x200
[  353.540800]  ? print_usage_bug+0xc0/0xc0
[  353.544866]  ? __lock_acquire+0x7ec/0x4ec0
[  353.549117]  ? __lock_acquire+0x7ec/0x4ec0
[  353.553400]  ? mark_held_locks+0x130/0x130
[  353.557654]  ? mark_held_locks+0x130/0x130
[  353.561889]  ? kasan_check_write+0x14/0x20
[  353.566126]  ? finish_task_switch+0x2f5/0x900
[  353.570619]  ? __switch_to_asm+0x40/0x70
[  353.574685]  ? __switch_to_asm+0x34/0x70
[  353.578748]  ? __switch_to_asm+0x34/0x70
[  353.582855]  ? __switch_to_asm+0x40/0x70
[  353.586919]  ? __switch_to_asm+0x34/0x70
[  353.590992]  ? __switch_to_asm+0x40/0x70
[  353.595052]  ? __switch_to_asm+0x34/0x70
[  353.599132]  ? __switch_to_asm+0x34/0x70
[  353.603195]  ? __switch_to_asm+0x34/0x70
[  353.607257]  ? __switch_to_asm+0x34/0x70
[  353.611326]  ? __switch_to_asm+0x40/0x70
[  353.615391]  ? __switch_to_asm+0x34/0x70
[  353.619455]  ? __switch_to_asm+0x40/0x70
[  353.623522]  ? graph_lock+0x170/0x170
[  353.627326]  ? graph_lock+0x170/0x170
[  353.631135]  ? graph_lock+0x170/0x170
[  353.634939]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  353.640478]  ? wait_consider_task+0x245/0x3bb0
[  353.645066]  ? memset+0x31/0x40
[  353.648353]  ? find_held_lock+0x36/0x1c0
[  353.652424]  ? get_signal+0x95b/0x1980
[  353.656321]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.660815]  ? _raw_spin_unlock_irq+0x27/0x80
[  353.665325]  do_group_exit+0x177/0x440
[  353.669636]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  353.675736]  ? __ia32_sys_exit+0x50/0x50
[  353.679997]  get_signal+0x8b0/0x1980
[  353.684034]  ? ptrace_notify+0x130/0x130
[  353.688770]  ? do_wait+0x57d/0xb90
[  353.692491]  ? wait_consider_task+0x3bb0/0x3bb0
[  353.697716]  ? graph_lock+0x170/0x170
[  353.702095]  ? graph_lock+0x170/0x170
[  353.706371]  ? graph_lock+0x170/0x170
[  353.710619]  do_signal+0x9c/0x21e0
[  353.714163]  ? find_held_lock+0x36/0x1c0
[  353.718236]  ? setup_sigcontext+0x7d0/0x7d0
[  353.722563]  ? kernel_wait4+0x2e0/0x3f0
[  353.726542]  ? __ia32_sys_waitid+0x140/0x140
[  353.730962]  ? task_stopped_code+0x190/0x190
[  353.735389]  ? exit_to_usermode_loop+0x8c/0x380
[  353.740091]  ? __do_page_fault+0x4a6/0xed0
[  353.744337]  ? do_syscall_64+0x9a/0x820
[  353.748327]  ? do_syscall_64+0x9a/0x820
[  353.752324]  exit_to_usermode_loop+0x2e5/0x380
[  353.756915]  ? syscall_slow_exit_work+0x520/0x520
[  353.761786]  do_syscall_64+0x6be/0x820
[  353.765679]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  353.771057]  ? syscall_return_slowpath+0x5e0/0x5e0
[  353.775998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.780848]  ? trace_hardirqs_on_caller+0x310/0x310
[  353.785883]  ? prepare_exit_to_usermode+0x291/0x3b0
[  353.790909]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  353.795761]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  353.800946] RIP: 0033:0x41124a
[  353.804144] Code: Bad RIP value.
[  353.807504] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  353.815212] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  353.822480] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  353.829748] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  353.837015] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  353.844286] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  353.851593] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  353.851599] warn_alloc_show_mem: 1 callbacks suppressed
[  353.851607] Mem-Info:
[  353.858894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  353.864278] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  353.864278]  active_file:8 inactive_file:19 isolated_file:0
[  353.864278]  unevictable:0 dirty:0 writeback:0 unstable:0
[  353.864278]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  353.864278]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  353.864278]  free:13709 free_pcp:257 free_cma:0
[  353.866657] Call Trace:
[  353.876040] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  353.908970]  <IRQ>
[  353.911566] Node 0 
[  353.939235]  dump_stack+0x1c4/0x2b4
[  353.941403] 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
[  353.943663]  ? dump_stack_print_info.cold.2+0x52/0x52
[  353.947259] lowmem_reserve[]: 0
[  353.972777]  warn_alloc.cold.119+0xb7/0x1bd
[  353.977933]  2819
[  353.981205]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  353.985531]  6323
[  353.987593]  ? lock_downgrade+0x900/0x900
[  353.992408]  6323
[  353.994471]  ? trace_hardirqs_off+0xb8/0x310
[  354.000679]  ? trace_hardirqs_off+0xb8/0x310
[  354.005066] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  354.009501]  __alloc_pages_slowpath+0x2667/0x2d80
[  354.009545]  ? warn_alloc+0x120/0x120
[  354.036815] lowmem_reserve[]: 0
[  354.041674]  ? lock_release+0x970/0x970
[  354.045445]  0 3503
[  354.048737]  ? warn_alloc+0x120/0x120
[  354.052689]  3503
[  354.054929]  ? print_usage_bug+0xc0/0xc0
[  354.060767]  ? warn_alloc+0x120/0x120
[  354.064819] Node 0 
[  354.068625]  ? print_usage_bug+0xc0/0xc0
[  354.068654] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  354.068661] lowmem_reserve[]:
[  354.070892]  ? __lock_acquire+0x7ec/0x4ec0
[  354.075084]  0 0
[  354.103460]  ? __lock_acquire+0x7ec/0x4ec0
[  354.106540]  0
[  354.110770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.112720]  0
[  354.116947]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  354.124287]  ? should_fail+0x22d/0xd01
[  354.126066] Node 0 
[  354.131603]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.135461] DMA: 1*4kB 
[  354.137724]  ? __lock_acquire+0x7ec/0x4ec0
[  354.142802] (U) 
[  354.145386]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  354.149597] 0*8kB 
[  354.151573]  ? __lock_acquire+0x7ec/0x4ec0
[  354.156652] 0*16kB 
[  354.158797]  ? should_fail+0x22d/0xd01
[  354.163038] 1*32kB 
[  354.165289]  ? mark_held_locks+0x130/0x130
[  354.169161] (U) 
[  354.171397]  ? mark_held_locks+0x130/0x130
[  354.175621] 2*64kB 
[  354.177588]  ? graph_lock+0x170/0x170
[  354.182321] (U) 1*128kB 
[  354.184589]  ? print_usage_bug+0xc0/0xc0
[  354.188367] (U) 
[  354.191036]  ? graph_lock+0x170/0x170
[  354.195074] 1*256kB 
[  354.197044]  ? print_usage_bug+0xc0/0xc0
[  354.200822] (U) 
[  354.203156]  ? wq_watchdog_touch+0x9c/0xfe
[  354.207197] 0*512kB 
[  354.209175]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.213385] 1*1024kB 
[  354.215709]  ? check_preemption_disabled+0x48/0x200
[  354.221217] (U) 
[  354.223619]  ? check_preemption_disabled+0x48/0x200
[  354.223644]  ? __lock_is_held+0xb5/0x140
[  354.228638] 1*2048kB 
[  354.230613]  __alloc_pages_nodemask+0xa80/0xde0
[  354.235603] (M) 
[  354.239655]  ? graph_lock+0x170/0x170
[  354.242043] 3*4096kB 
[  354.246709]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  354.248662] (M) 
[  354.252460]  ? graph_lock+0x170/0x170
[  354.254865] = 15908kB
[  354.259883]  ? find_held_lock+0x36/0x1c0
[  354.261832] Node 0 
[  354.265636]  ? ____cache_alloc_node+0x1c7/0x1e0
[  354.268017] DMA32: 
[  354.272073]  ? lock_downgrade+0x900/0x900
[  354.274289] 4*4kB 
[  354.278967]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.281182] (UM) 
[  354.285343]  cache_grow_begin+0x91/0x8c0
[  354.287468] 2*8kB 
[  354.293001]  ? do_raw_spin_unlock+0xa7/0x2f0
[  354.295042] (UM) 
[  354.299101]  fallback_alloc+0x203/0x2e0
[  354.301259] 2*16kB 
[  354.305663]  ____cache_alloc_node+0x1c7/0x1e0
[  354.307724] (M) 
[  354.311709]  kmem_cache_alloc_node+0xe3/0x730
[  354.313924] 3*32kB 
[  354.318424]  ? ipv6_get_ifaddr+0x42e/0x620
[  354.320394] (UM) 
[  354.324907]  __alloc_skb+0x119/0x770
[  354.327117] 5*64kB 
[  354.331355]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  354.333388] (UM) 
[  354.337096]  ? skb_scrub_packet+0x490/0x490
[  354.339323] 4*128kB 
[  354.344596]  ? lock_downgrade+0x900/0x900
[  354.346630] (UM) 4*256kB 
[  354.350971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.353269] (UM) 
[  354.357411]  ? refcount_sub_and_test_checked+0x203/0x310
[  354.360145] 3*512kB 
[  354.365692]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  354.367736] (M) 
[  354.373184]  ? addrconf_rs_timer+0x690/0x690
[  354.375490] 3*1024kB 
[  354.380947]  ndisc_alloc_skb+0x144/0x340
[  354.382896] (UM) 
[  354.387303]  ndisc_send_rs+0x331/0x6e0
[  354.389701] 3*2048kB 
[  354.393772]  addrconf_rs_timer+0x314/0x690
[  354.395810] (M) 
[  354.399697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.402085] 3*4096kB 
[  354.406343]  call_timer_fn+0x272/0x920
[  354.408283] (M) 
[  354.412526]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.414911] = 25056kB
[  354.414920] Node 0 
[  354.418811]  ? process_timeout+0x40/0x40
[  354.420759] Normal: 798*4kB 
[  354.425008]  ? find_held_lock+0x36/0x1c0
[  354.427397] (ME) 
[  354.429640]  ? __run_timers+0x7da/0xc70
[  354.433673] 471*8kB 
[  354.436694]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.440731] (UME) 
[  354.442794]  ? _raw_spin_unlock_irq+0x27/0x80
[  354.446747] 208*16kB 
[  354.449072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.453543] (UME) 
[  354.455695]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  354.460166] 76*32kB 
[  354.462578]  ? trace_hardirqs_on+0xbd/0x310
[  354.466782] (UME) 4*64kB 
[  354.468946]  ? kasan_check_read+0x11/0x20
[  354.473500] (M) 
[  354.475826]  ? __run_timers+0x7da/0xc70
[  354.480130] 1*128kB 
[  354.482887]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  354.487015] (U) 
[  354.488995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.492940] 1*256kB (U) 
[  354.495273]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  354.500701] 1*512kB 
[  354.502676]  __run_timers+0x7e5/0xc70
[  354.506895] (U) 
[  354.509573]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  354.513787] 0*1024kB 
[  354.516107]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  354.519898] 0*2048kB 
[  354.521872]  ? graph_lock+0x170/0x170
[  354.527227] 0*4096kB 
[  354.529661]  ? enqueue_hrtimer+0x1a5/0x560
[  354.534653] = 13872kB
[  354.537059]  ? lock_release+0x970/0x970
[  354.540847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  354.543260]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  354.547483] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  354.549902]  ? find_held_lock+0x36/0x1c0
[  354.553860] 1299 total pagecache pages
[  354.562706]  ? graph_lock+0x170/0x170
[  354.567879] 0 pages in swap cache
[  354.576445]  ? pvclock_read_flags+0x160/0x160
[  354.580487] Swap cache stats: add 0, delete 0, find 0/0
[  354.580497] Free swap  = 0kB
[  354.584383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.588171] Total swap = 0kB
[  354.591624]  ? check_preemption_disabled+0x48/0x200
[  354.596092] 1965979 pages RAM
[  354.601476]  ? __lock_is_held+0xb5/0x140
[  354.604464] 0 pages HighMem/MovableOnly
[  354.604474] 342306 pages reserved
[  354.610009]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.613005] 0 pages cma reserved
[  354.618032]  ? check_preemption_disabled+0x48/0x200
[  354.621204] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  354.625181]  run_timer_softirq+0x52/0xb0
[  354.629242] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  354.632612]  ? rcu_read_lock_sched_held+0x108/0x120
[  354.638140] syz-executor1 cpuset=
[  354.641513]  __do_softirq+0x30b/0xad8
[  354.646509] /
[  354.653000]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  354.657036]  mems_allowed=0
[  354.667511]  ? pvclock_read_flags+0x160/0x160
[  354.693913]  ? lapic_next_event+0x5a/0x90
[  354.698061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.703599]  ? check_preemption_disabled+0x48/0x200
[  354.708614]  ? check_preemption_disabled+0x48/0x200
[  354.713642]  ? kvm_clock_read+0x18/0x30
[  354.717616]  ? kvm_sched_clock_read+0x9/0x20
[  354.722028]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.727566]  ? check_preemption_disabled+0x48/0x200
[  354.732603]  irq_exit+0x17f/0x1c0
[  354.736057]  smp_apic_timer_interrupt+0x1cb/0x760
[  354.740915]  ? smp_reschedule_interrupt+0x109/0x650
[  354.745935]  ? smp_call_function_single_interrupt+0x650/0x650
[  354.751829]  ? interrupt_entry+0xb5/0xf0
[  354.755899]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.760910]  ? trace_hardirqs_off_caller+0xbb/0x310
[  354.765927]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.770773]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.775790]  ? trace_hardirqs_on_caller+0x310/0x310
[  354.780814]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.786363]  ? check_preemption_disabled+0x48/0x200
[  354.791385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.796947]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  354.801806]  apic_timer_interrupt+0xf/0x20
[  354.806164]  </IRQ>
[  354.808410] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  354.813354] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  354.832256] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  354.839970] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  354.847267] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  354.854536] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  354.861802] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  354.869070] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  354.876400]  skb_clone+0x1bb/0x500
[  354.879941]  ? finish_task_switch+0x1b5/0x900
[  354.884445]  ? skb_split+0x11e0/0x11e0
[  354.888347]  ? preempt_notifier_register+0x200/0x200
[  354.893456]  ? __switch_to_asm+0x34/0x70
[  354.897519]  ? __switch_to_asm+0x34/0x70
[  354.901577]  ? __switch_to_asm+0x40/0x70
[  354.905637]  ? __switch_to_asm+0x34/0x70
[  354.909726]  ? __switch_to_asm+0x40/0x70
[  354.913798]  ? __switch_to_asm+0x34/0x70
[  354.917857]  ? __switch_to_asm+0x40/0x70
[  354.921926]  ? __switch_to_asm+0x34/0x70
[  354.926024]  ? __switch_to_asm+0x34/0x70
[  354.930083]  ? __switch_to_asm+0x40/0x70
[  354.934151]  ? __switch_to_asm+0x34/0x70
[  354.938221]  bpf_clone_redirect+0xb9/0x490
[  354.942457]  ? __schedule+0x874/0x1ed0
[  354.946358]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  354.951384]  ? __sched_text_start+0x8/0x8
[  354.955548]  ? lockdep_hardirqs_on+0x421/0x5c0
[  354.960146]  ? retint_kernel+0x2d/0x2d
[  354.964047]  ? trace_hardirqs_on_caller+0xc0/0x310
[  354.968981]  ? find_held_lock+0x36/0x1c0
[  354.973050]  ? lock_acquire+0x1ed/0x520
[  354.977022]  ? bpf_test_run+0x3cb/0x780
[  354.980999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  354.986538]  ? check_preemption_disabled+0x48/0x200
[  354.991559]  ? kasan_check_read+0x11/0x20
[  354.995744]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  355.001036]  ? rcu_bh_qs+0xc0/0xc0
[  355.004576]  ? preempt_schedule+0x4d/0x60
[  355.008731]  ? ___preempt_schedule+0x16/0x18
[  355.013166]  ? bpf_test_run+0x25d/0x780
[  355.017154]  ? netlink_diag_dump+0x2a0/0x2a0
[  355.021569]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.027109]  ? bpf_test_init.isra.9+0x70/0x100
[  355.031698]  ? bpf_prog_test_run_skb+0x634/0xb40
[  355.036468]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  355.041332]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  355.046877]  ? fput+0x130/0x1a0
[  355.050158]  ? __bpf_prog_get+0x9b/0x290
[  355.054222]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  355.059066]  ? bpf_prog_test_run+0x130/0x1a0
[  355.063515]  ? __x64_sys_bpf+0x3d8/0x510
[  355.067594]  ? bpf_prog_get+0x20/0x20
[  355.071421]  ? do_syscall_64+0x1b9/0x820
[  355.075942]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  355.081347]  ? syscall_return_slowpath+0x5e0/0x5e0
[  355.086284]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.091320]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  355.096347]  ? recalc_sigpending_tsk+0x180/0x180
[  355.101107]  ? kasan_check_write+0x14/0x20
[  355.105354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.110224]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  355.115610] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  355.115704] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  355.122888] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  355.122893] Call Trace:
[  355.122901]  <IRQ>
[  355.122919]  dump_stack+0x1c4/0x2b4
[  355.122937]  ? dump_stack_print_info.cold.2+0x52/0x52
[  355.122965]  warn_alloc.cold.119+0xb7/0x1bd
[  355.129534] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  355.138801]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  355.141377] syz-executor4 cpuset=
[  355.143528]  ? lock_downgrade+0x900/0x900
[  355.147129] syz4
[  355.152336]  ? trace_hardirqs_off+0xb8/0x310
[  355.156657]  mems_allowed=0
[  355.167141]  ? trace_hardirqs_off+0xb8/0x310
[  355.193218]  __alloc_pages_slowpath+0x2667/0x2d80
[  355.198093]  ? warn_alloc+0x120/0x120
[  355.201896]  ? trace_hardirqs_on+0x310/0x310
[  355.206305]  ? warn_alloc+0x120/0x120
[  355.210121]  ? print_usage_bug+0xc0/0xc0
[  355.214182]  ? warn_alloc+0x120/0x120
[  355.217987]  ? ktime_get+0x2e1/0x440
[  355.221706]  ? print_usage_bug+0xc0/0xc0
[  355.225772]  ? __lock_acquire+0x7ec/0x4ec0
[  355.230009]  ? __lock_acquire+0x7ec/0x4ec0
[  355.234257]  ? kasan_check_read+0x11/0x20
[  355.238406]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.243968]  ? should_fail+0x22d/0xd01
[  355.247863]  ? rcu_bh_qs+0xc0/0xc0
[  355.251413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.256518]  ? __lock_acquire+0x7ec/0x4ec0
[  355.260760]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  355.265888]  ? __lock_acquire+0x7ec/0x4ec0
[  355.270119]  ? should_fail+0x22d/0xd01
[  355.274007]  ? rcu_idle_enter+0x4b0/0x4b0
[  355.278169]  ? mark_held_locks+0x130/0x130
[  355.282409]  ? mark_held_locks+0x130/0x130
[  355.286655]  ? mark_held_locks+0xc7/0x130
[  355.290803]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  355.295829]  ? graph_lock+0x170/0x170
[  355.299636]  ? print_usage_bug+0xc0/0xc0
[  355.303706]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.309248]  ? check_preemption_disabled+0x48/0x200
[  355.314263]  ? check_preemption_disabled+0x48/0x200
[  355.319296]  ? __lock_is_held+0xb5/0x140
[  355.323395]  __alloc_pages_nodemask+0xa80/0xde0
[  355.328064]  ? graph_lock+0x170/0x170
[  355.331895]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  355.336919]  ? graph_lock+0x170/0x170
[  355.340731]  ? find_held_lock+0x36/0x1c0
[  355.344805]  ? ____cache_alloc_node+0x1c7/0x1e0
[  355.349492]  ? lock_downgrade+0x900/0x900
[  355.353650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.359193]  cache_grow_begin+0x91/0x8c0
[  355.363266]  ? do_raw_spin_unlock+0xa7/0x2f0
[  355.367688]  fallback_alloc+0x203/0x2e0
[  355.371680]  ____cache_alloc_node+0x1c7/0x1e0
[  355.376182]  kmem_cache_alloc_node+0xe3/0x730
[  355.380703]  ? ipv6_get_ifaddr+0x42e/0x620
[  355.384955]  __alloc_skb+0x119/0x770
[  355.388671]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  355.393953]  ? skb_scrub_packet+0x490/0x490
[  355.398277]  ? lock_downgrade+0x900/0x900
[  355.402442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.408038]  ? refcount_sub_and_test_checked+0x203/0x310
[  355.413499]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  355.418964]  ? addrconf_rs_timer+0x690/0x690
[  355.423398]  ndisc_alloc_skb+0x144/0x340
[  355.427470]  ndisc_send_rs+0x331/0x6e0
[  355.431381]  addrconf_rs_timer+0x314/0x690
[  355.435634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.439885]  call_timer_fn+0x272/0x920
[  355.443770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.448009]  ? process_timeout+0x40/0x40
[  355.452067]  ? find_held_lock+0x36/0x1c0
[  355.456137]  ? mark_held_locks+0xc7/0x130
[  355.460296]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.464827]  ? _raw_spin_unlock_irq+0x27/0x80
[  355.469343]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.473582]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  355.478169]  ? trace_hardirqs_on+0xbd/0x310
[  355.482500]  ? kasan_check_read+0x11/0x20
[  355.486647]  ? __run_timers+0x7da/0xc70
[  355.490622]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  355.496081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.500332]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  355.504574]  __run_timers+0x7e5/0xc70
[  355.508395]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  355.513760]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.518776]  ? graph_lock+0x170/0x170
[  355.522584]  ? print_usage_bug+0xc0/0xc0
[  355.526644]  ? lock_release+0x970/0x970
[  355.530625]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  355.535828]  ? find_held_lock+0x36/0x1c0
[  355.539903]  ? graph_lock+0x170/0x170
[  355.543712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.549255]  ? check_preemption_disabled+0x48/0x200
[  355.554284]  ? __lock_is_held+0xb5/0x140
[  355.558360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.563898]  ? check_preemption_disabled+0x48/0x200
[  355.568923]  run_timer_softirq+0x52/0xb0
[  355.572990]  ? rcu_read_lock_sched_held+0x108/0x120
[  355.578014]  __do_softirq+0x30b/0xad8
[  355.581830]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  355.586979]  ? pvclock_read_flags+0x160/0x160
[  355.591473]  ? lapic_next_event+0x5a/0x90
[  355.595649]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.601415]  ? check_preemption_disabled+0x48/0x200
[  355.606442]  ? check_preemption_disabled+0x48/0x200
[  355.611481]  ? kvm_clock_read+0x18/0x30
[  355.615459]  ? kvm_sched_clock_read+0x9/0x20
[  355.619872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.625426]  ? check_preemption_disabled+0x48/0x200
[  355.630486]  irq_exit+0x17f/0x1c0
[  355.633942]  smp_apic_timer_interrupt+0x1cb/0x760
[  355.638798]  ? smp_call_function_single_interrupt+0x650/0x650
[  355.644692]  ? interrupt_entry+0xb5/0xf0
[  355.648757]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.653785]  ? trace_hardirqs_off_caller+0xbb/0x310
[  355.658814]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.663665]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.668678]  ? trace_hardirqs_on_caller+0x310/0x310
[  355.673694]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.679243]  ? check_preemption_disabled+0x48/0x200
[  355.684257]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.689807]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  355.694664]  apic_timer_interrupt+0xf/0x20
[  355.698891]  </IRQ>
[  355.701145] RIP: 0010:lock_acquire+0x268/0x520
[  355.705729] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  355.724632] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  355.732345] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  355.739650] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  355.746927] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  355.754194] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  355.761462] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  355.768778]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.774329]  ? lock_release+0x970/0x970
[  355.778321]  ? activate_page+0x1040/0x1040
[  355.782566]  ? __unlock_page_memcg+0x53/0x100
[  355.787066]  ? check_preemption_disabled+0x48/0x200
[  355.792098]  lock_page_memcg+0x95/0x350
[  355.796093]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  355.801285]  ? rcu_bh_qs+0xc0/0xc0
[  355.804843]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  355.810058]  page_remove_rmap+0x855/0x1a30
[  355.814301]  ? page_add_file_rmap+0x1470/0x1470
[  355.818983]  ? __lock_is_held+0xb5/0x140
[  355.823056]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.828597]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  355.834136]  ? lru_add_drain_cpu+0x1c0/0x500
[  355.838558]  ? free_pages_and_swap_cache+0x475/0x6f0
[  355.843687]  ? free_page_and_swap_cache+0x950/0x950
[  355.848717]  ? kasan_check_read+0x11/0x20
[  355.852869]  ? page_mapcount+0x3b5/0x5d0
[  355.856946]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  355.861790]  ? lock_downgrade+0x900/0x900
[  355.865943]  ? lock_release+0x970/0x970
[  355.869937]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  355.874960]  ? _vm_normal_page+0x161/0x3c0
[  355.879198]  ? __pte_alloc_kernel+0x220/0x220
[  355.883696]  ? kasan_check_write+0x14/0x20
[  355.887936]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  355.892958]  ? __tlb_remove_page_size+0x187/0x500
[  355.897807]  unmap_page_range+0xf14/0x2030
[  355.902073]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  355.906573]  ? search_extable+0x80/0xb0
[  355.910549]  ? trim_init_extable+0x3a0/0x3a0
[  355.914974]  ? __get_user_8+0x21/0x2b
[  355.918788]  ? print_usage_bug+0xc0/0xc0
[  355.922885]  ? __lock_acquire+0x7ec/0x4ec0
[  355.927126]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  355.932667]  ? no_context+0xd9/0x980
[  355.936377]  ? lock_downgrade+0x900/0x900
[  355.940523]  ? graph_lock+0x170/0x170
[  355.944342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  355.949883]  ? tlb_flush_mmu_free+0x135/0x1b0
[  355.954402]  ? find_held_lock+0x36/0x1c0
[  355.958471]  ? exit_mmap+0x4bb/0x590
[  355.962200]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  355.967746]  ? uprobe_munmap+0x14c/0x450
[  355.971812]  ? uprobe_mmap+0xd50/0xd50
[  355.975716]  ? lock_release+0x970/0x970
[  355.979692]  ? arch_local_save_flags+0x40/0x40
[  355.984286]  ? rwsem_down_write_failed+0xe/0x10
[  355.988965]  ? rwsem_down_write_failed+0xe/0x10
[  355.993637]  ? call_rwsem_down_write_failed+0x17/0x30
[  355.998840]  unmap_single_vma+0x19b/0x310
[  356.003004]  unmap_vmas+0x125/0x200
[  356.006644]  exit_mmap+0x2be/0x590
[  356.010191]  ? __ia32_sys_munmap+0x80/0x80
[  356.014453]  ? __might_sleep+0x95/0x190
[  356.018436]  mmput+0x247/0x610
[  356.021634]  ? lock_downgrade+0x900/0x900
[  356.025800]  ? set_mm_exe_file+0x200/0x200
[  356.030065]  ? kasan_check_read+0x11/0x20
[  356.034218]  ? do_raw_spin_unlock+0xa7/0x2f0
[  356.038629]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  356.043222]  ? kasan_check_write+0x14/0x20
[  356.047459]  ? do_raw_spin_lock+0xc1/0x200
[  356.051708]  do_exit+0xe6f/0x2610
[  356.055192]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  356.060216]  ? mm_update_next_owner+0x990/0x990
[  356.064885]  ? print_usage_bug+0xc0/0xc0
[  356.068946]  ? graph_lock+0x170/0x170
[  356.072765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.078481]  ? check_preemption_disabled+0x48/0x200
[  356.083503]  ? check_preemption_disabled+0x48/0x200
[  356.088525]  ? print_usage_bug+0xc0/0xc0
[  356.092594]  ? __lock_acquire+0x7ec/0x4ec0
[  356.096842]  ? __lock_acquire+0x7ec/0x4ec0
[  356.101100]  ? mark_held_locks+0x130/0x130
[  356.105358]  ? mark_held_locks+0x130/0x130
[  356.109602]  ? kasan_check_write+0x14/0x20
[  356.113844]  ? finish_task_switch+0x2f5/0x900
[  356.118357]  ? __switch_to_asm+0x40/0x70
[  356.122434]  ? __switch_to_asm+0x34/0x70
[  356.126497]  ? __switch_to_asm+0x34/0x70
[  356.130559]  ? __switch_to_asm+0x40/0x70
[  356.134643]  ? __switch_to_asm+0x34/0x70
[  356.138704]  ? __switch_to_asm+0x40/0x70
[  356.142768]  ? __switch_to_asm+0x34/0x70
[  356.146842]  ? __switch_to_asm+0x34/0x70
[  356.150923]  ? __switch_to_asm+0x34/0x70
[  356.155001]  ? __switch_to_asm+0x34/0x70
[  356.159065]  ? __switch_to_asm+0x40/0x70
[  356.163125]  ? __switch_to_asm+0x34/0x70
[  356.167211]  ? __switch_to_asm+0x40/0x70
[  356.171305]  ? graph_lock+0x170/0x170
[  356.175135]  ? graph_lock+0x170/0x170
[  356.178949]  ? graph_lock+0x170/0x170
[  356.183221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.188772]  ? wait_consider_task+0x245/0x3bb0
[  356.193360]  ? memset+0x31/0x40
[  356.196652]  ? find_held_lock+0x36/0x1c0
[  356.200741]  ? get_signal+0x95b/0x1980
[  356.204634]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.209132]  ? _raw_spin_unlock_irq+0x27/0x80
[  356.213633]  do_group_exit+0x177/0x440
[  356.217528]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  356.222985]  ? __ia32_sys_exit+0x50/0x50
[  356.227083]  get_signal+0x8b0/0x1980
[  356.230810]  ? ptrace_notify+0x130/0x130
[  356.234872]  ? do_wait+0x57d/0xb90
[  356.238422]  ? wait_consider_task+0x3bb0/0x3bb0
[  356.243091]  ? graph_lock+0x170/0x170
[  356.246891]  ? graph_lock+0x170/0x170
[  356.250697]  ? graph_lock+0x170/0x170
[  356.254515]  do_signal+0x9c/0x21e0
[  356.258071]  ? find_held_lock+0x36/0x1c0
[  356.262149]  ? setup_sigcontext+0x7d0/0x7d0
[  356.266497]  ? kernel_wait4+0x2e0/0x3f0
[  356.270482]  ? __ia32_sys_waitid+0x140/0x140
[  356.274903]  ? task_stopped_code+0x190/0x190
[  356.279322]  ? exit_to_usermode_loop+0x8c/0x380
[  356.284033]  ? __do_page_fault+0x4a6/0xed0
[  356.288279]  ? do_syscall_64+0x9a/0x820
[  356.292267]  ? do_syscall_64+0x9a/0x820
[  356.296248]  exit_to_usermode_loop+0x2e5/0x380
[  356.301618]  ? syscall_slow_exit_work+0x520/0x520
[  356.306479]  do_syscall_64+0x6be/0x820
[  356.310373]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  356.315740]  ? syscall_return_slowpath+0x5e0/0x5e0
[  356.320673]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.325520]  ? trace_hardirqs_on_caller+0x310/0x310
[  356.330544]  ? prepare_exit_to_usermode+0x291/0x3b0
[  356.335569]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  356.340422]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  356.345611] RIP: 0033:0x41124a
[  356.348809] Code: Bad RIP value.
[  356.352175] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  356.359888] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  356.367156] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  356.374427] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  356.381697] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  356.388962] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  356.396258] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  356.396264] warn_alloc_show_mem: 1 callbacks suppressed
[  356.396271] Mem-Info:
[  356.403563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  356.403585] Call Trace:
[  356.408961] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  356.408961]  active_file:8 inactive_file:19 isolated_file:0
[  356.408961]  unevictable:0 dirty:0 writeback:0 unstable:0
[  356.408961]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  356.408961]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  356.408961]  free:13709 free_pcp:257 free_cma:0
[  356.411344]  <IRQ>
[  356.420706] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  356.423286]  dump_stack+0x1c4/0x2b4
[  356.456229] Node 0 
[  356.458388]  ? dump_stack_print_info.cold.2+0x52/0x52
[  356.486062] 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
[  356.489673]  warn_alloc.cold.119+0xb7/0x1bd
[  356.491894] lowmem_reserve[]:
[  356.497086]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  356.522559]  0 2819
[  356.526894]  ? lock_downgrade+0x900/0x900
[  356.529974]  6323 6323
[  356.534830]  ? trace_hardirqs_off+0xb8/0x310
[  356.541198]  ? trace_hardirqs_off+0xb8/0x310
[  356.543677] Node 0 
[  356.548106]  __alloc_pages_slowpath+0x2667/0x2d80
[  356.552511] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  356.554746]  ? warn_alloc+0x120/0x120
[  356.559544] lowmem_reserve[]:
[  356.586259]  ? trace_hardirqs_on+0x310/0x310
[  356.590044]  0
[  356.593145]  ? warn_alloc+0x120/0x120
[  356.597536]  0
[  356.599352]  ? print_usage_bug+0xc0/0xc0
[  356.603125]  3503
[  356.604924]  ? warn_alloc+0x120/0x120
[  356.608959]  3503
[  356.611034]  ? ktime_get+0x2e1/0x440
[  356.614832] Node 0 
[  356.616903]  ? print_usage_bug+0xc0/0xc0
[  356.620632] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  356.622852]  ? __lock_acquire+0x7ec/0x4ec0
[  356.626879] lowmem_reserve[]: 0
[  356.655255]  ? __lock_acquire+0x7ec/0x4ec0
[  356.659472]  0
[  356.662766]  ? kasan_check_read+0x11/0x20
[  356.666988]  0
[  356.668803]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  356.672925]  0
[  356.674766]  ? should_fail+0x22d/0xd01
[  356.682084]  ? rcu_bh_qs+0xc0/0xc0
[  356.685949] Node 0 DMA: 
[  356.689514]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.689530]  ? __lock_acquire+0x7ec/0x4ec0
[  356.692187] 1*4kB 
[  356.697288]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  356.701502] (U) 
[  356.703651]  ? __lock_acquire+0x7ec/0x4ec0
[  356.708732] 0*8kB 
[  356.710710]  ? should_fail+0x22d/0xd01
[  356.714927] 0*16kB 
[  356.717074]  ? rcu_idle_enter+0x4b0/0x4b0
[  356.720939] 1*32kB 
[  356.723176]  ? mark_held_locks+0x130/0x130
[  356.727292] (U) 2*64kB 
[  356.729556]  ? mark_held_locks+0x130/0x130
[  356.733770] (U) 
[  356.736360]  ? mark_held_locks+0xc7/0x130
[  356.740570] 1*128kB (U) 
[  356.742554]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  356.746675] 1*256kB (U) 
[  356.749355]  ? graph_lock+0x170/0x170
[  356.754346] 0*512kB 1*1024kB 
[  356.757044]  ? print_usage_bug+0xc0/0xc0
[  356.760815] (U) 1*2048kB 
[  356.763932]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.767966] (M) 
[  356.770727]  ? check_preemption_disabled+0x48/0x200
[  356.776233] 3*4096kB (M) 
[  356.778220]  ? check_preemption_disabled+0x48/0x200
[  356.783212] = 15908kB
[  356.785973]  ? __lock_is_held+0xb5/0x140
[  356.790963] Node 0 
[  356.793375]  __alloc_pages_nodemask+0xa80/0xde0
[  356.797405] DMA32: 4*4kB 
[  356.799653]  ? graph_lock+0x170/0x170
[  356.804301] (UM) 
[  356.807073]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  356.810846] 2*8kB (UM) 
[  356.812917]  ? graph_lock+0x170/0x170
[  356.817915] 2*16kB 
[  356.820504]  ? find_held_lock+0x36/0x1c0
[  356.824316] (M) 
[  356.826565]  ? ____cache_alloc_node+0x1c7/0x1e0
[  356.830599] 3*32kB 
[  356.832574]  ? lock_downgrade+0x900/0x900
[  356.837221] (UM) 
[  356.839464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.843582] 5*64kB (UM) 
[  356.845659]  cache_grow_begin+0x91/0x8c0
[  356.851171] 4*128kB (UM) 
[  356.853859]  ? do_raw_spin_unlock+0xa7/0x2f0
[  356.853879]  fallback_alloc+0x203/0x2e0
[  356.857927] 4*256kB 
[  356.860686]  ____cache_alloc_node+0x1c7/0x1e0
[  356.865061] (UM) 3*512kB 
[  356.869048]  kmem_cache_alloc_node+0xe3/0x730
[  356.871343] (M) 3*1024kB 
[  356.875855]  ? ipv6_get_ifaddr+0x42e/0x620
[  356.878591] (UM) 
[  356.883097]  __alloc_skb+0x119/0x770
[  356.886198] 3*2048kB (M) 
[  356.890443]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  356.892642] 3*4096kB 
[  356.896359]  ? skb_scrub_packet+0x490/0x490
[  356.899584] (M) = 25056kB
[  356.904872]  ? lock_downgrade+0x900/0x900
[  356.907271] Node 0 
[  356.911596]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  356.914343] Normal: 798*4kB 
[  356.918501]  ? refcount_sub_and_test_checked+0x203/0x310
[  356.920713] (ME) 
[  356.926251]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  356.929251] 471*8kB (UME) 
[  356.934735]  ? addrconf_rs_timer+0x690/0x690
[  356.936789] 208*16kB 
[  356.942252]  ndisc_alloc_skb+0x144/0x340
[  356.945069] (UME) 
[  356.949499]  ndisc_send_rs+0x331/0x6e0
[  356.951893] 76*32kB 
[  356.955951]  addrconf_rs_timer+0x314/0x690
[  356.958079] (UME) 
[  356.961964]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.964265] 4*64kB 
[  356.968529]  call_timer_fn+0x272/0x920
[  356.970647] (M) 
[  356.974878]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  356.977098] 1*128kB 
[  356.980992]  ? process_timeout+0x40/0x40
[  356.982948] (U) 
[  356.987179]  ? find_held_lock+0x36/0x1c0
[  356.989486] 1*256kB 
[  356.993551]  ? __run_timers+0x7da/0xc70
[  356.995499] (U) 
[  356.999560]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.001862] 1*512kB 
[  357.005841]  ? _raw_spin_unlock_irq+0x27/0x80
[  357.007802] (U) 
[  357.012302]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.014614] 0*1024kB 
[  357.019103]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  357.021055] 0*2048kB 
[  357.025287]  ? trace_hardirqs_on+0xbd/0x310
[  357.027678] 0*4096kB 
[  357.032254]  ? kasan_check_read+0x11/0x20
[  357.032272]  ? __run_timers+0x7da/0xc70
[  357.034663] = 13872kB
[  357.038984]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  357.041377] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  357.045511]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.049472] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  357.051876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.057303] 1299 total pagecache pages
[  357.066149]  __run_timers+0x7e5/0xc70
[  357.070372] 0 pages in swap cache
[  357.078947]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  357.083152] Swap cache stats: add 0, delete 0, find 0/0
[  357.083161] Free swap  = 0kB
[  357.087072]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  357.090852] Total swap = 0kB
[  357.094302]  ? graph_lock+0x170/0x170
[  357.099671] 1965979 pages RAM
[  357.105025]  ? enqueue_hrtimer+0x1a5/0x560
[  357.108021] 0 pages HighMem/MovableOnly
[  357.113030]  ? lock_release+0x970/0x970
[  357.116025] 342306 pages reserved
[  357.116035] 0 pages cma reserved
[  357.119839]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  357.123007] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.127195]  ? find_held_lock+0x36/0x1c0
[  357.131254] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.135136]  ? graph_lock+0x170/0x170
[  357.138675] syz-executor1 cpuset=
[  357.142039]  ? pvclock_read_flags+0x160/0x160
[  357.147210] /
[  357.153712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.157750]  mems_allowed=0
[  357.168230]  ? check_preemption_disabled+0x48/0x200
[  357.195076]  ? __lock_is_held+0xb5/0x140
[  357.199146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.204685]  ? check_preemption_disabled+0x48/0x200
[  357.209720]  run_timer_softirq+0x52/0xb0
[  357.213781]  ? rcu_read_lock_sched_held+0x108/0x120
[  357.218819]  __do_softirq+0x30b/0xad8
[  357.222628]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  357.227743]  ? pvclock_read_flags+0x160/0x160
[  357.232240]  ? lapic_next_event+0x5a/0x90
[  357.236406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.241944]  ? check_preemption_disabled+0x48/0x200
[  357.246974]  ? check_preemption_disabled+0x48/0x200
[  357.251998]  ? kvm_clock_read+0x18/0x30
[  357.255970]  ? kvm_sched_clock_read+0x9/0x20
[  357.260383]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.265921]  ? check_preemption_disabled+0x48/0x200
[  357.270957]  irq_exit+0x17f/0x1c0
[  357.274414]  smp_apic_timer_interrupt+0x1cb/0x760
[  357.279260]  ? smp_reschedule_interrupt+0x109/0x650
[  357.284280]  ? smp_call_function_single_interrupt+0x650/0x650
[  357.290178]  ? interrupt_entry+0xb5/0xf0
[  357.294263]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.299291]  ? trace_hardirqs_off_caller+0xbb/0x310
[  357.304329]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.309183]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.314198]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.319217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.324778]  ? check_preemption_disabled+0x48/0x200
[  357.329808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.335367]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.340224]  apic_timer_interrupt+0xf/0x20
[  357.344464]  </IRQ>
[  357.346706] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  357.351638] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  357.370537] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  357.378246] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  357.385514] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  357.392782] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  357.400054] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  357.407328] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  357.414646]  skb_clone+0x1bb/0x500
[  357.418192]  ? finish_task_switch+0x1b5/0x900
[  357.422693]  ? skb_split+0x11e0/0x11e0
[  357.426587]  ? preempt_notifier_register+0x200/0x200
[  357.431691]  ? __switch_to_asm+0x34/0x70
[  357.435757]  ? __switch_to_asm+0x34/0x70
[  357.439821]  ? __switch_to_asm+0x40/0x70
[  357.443898]  ? __switch_to_asm+0x34/0x70
[  357.447962]  ? __switch_to_asm+0x40/0x70
[  357.452022]  ? __switch_to_asm+0x34/0x70
[  357.456085]  ? __switch_to_asm+0x40/0x70
[  357.460165]  ? __switch_to_asm+0x34/0x70
[  357.464243]  ? __switch_to_asm+0x34/0x70
[  357.468328]  ? __switch_to_asm+0x40/0x70
[  357.472423]  ? __switch_to_asm+0x34/0x70
[  357.476493]  bpf_clone_redirect+0xb9/0x490
[  357.480735]  ? __schedule+0x874/0x1ed0
[  357.484656]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  357.489677]  ? __sched_text_start+0x8/0x8
[  357.493855]  ? lockdep_hardirqs_on+0x421/0x5c0
[  357.498454]  ? retint_kernel+0x2d/0x2d
[  357.502358]  ? trace_hardirqs_on_caller+0xc0/0x310
[  357.507293]  ? find_held_lock+0x36/0x1c0
[  357.511375]  ? lock_acquire+0x1ed/0x520
[  357.515359]  ? bpf_test_run+0x3cb/0x780
[  357.519361]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.524905]  ? check_preemption_disabled+0x48/0x200
[  357.529941]  ? kasan_check_read+0x11/0x20
[  357.534093]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  357.539383]  ? rcu_bh_qs+0xc0/0xc0
[  357.542927]  ? preempt_schedule+0x4d/0x60
[  357.547078]  ? ___preempt_schedule+0x16/0x18
[  357.551496]  ? bpf_test_run+0x25d/0x780
[  357.555487]  ? netlink_diag_dump+0x2a0/0x2a0
[  357.559902]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.565445]  ? bpf_test_init.isra.9+0x70/0x100
[  357.570040]  ? bpf_prog_test_run_skb+0x634/0xb40
[  357.574809]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  357.579657]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  357.585199]  ? fput+0x130/0x1a0
[  357.588484]  ? __bpf_prog_get+0x9b/0x290
[  357.592550]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  357.597394]  ? bpf_prog_test_run+0x130/0x1a0
[  357.601812]  ? __x64_sys_bpf+0x3d8/0x510
[  357.605874]  ? bpf_prog_get+0x20/0x20
[  357.609698]  ? do_syscall_64+0x1b9/0x820
[  357.613760]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  357.619141]  ? syscall_return_slowpath+0x5e0/0x5e0
[  357.624085]  ? trace_hardirqs_on_caller+0x310/0x310
[  357.629104]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  357.634122]  ? recalc_sigpending_tsk+0x180/0x180
[  357.638881]  ? kasan_check_write+0x14/0x20
[  357.643132]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  357.647995]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  357.653409] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  357.653496] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  357.660692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  357.660698] Call Trace:
[  357.660706]  <IRQ>
[  357.660724]  dump_stack+0x1c4/0x2b4
[  357.660743]  ? dump_stack_print_info.cold.2+0x52/0x52
[  357.667284] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  357.676586]  warn_alloc.cold.119+0xb7/0x1bd
[  357.679156] syz-executor4 cpuset=
[  357.681305]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  357.684917] syz4
[  357.690103]  ? lock_downgrade+0x900/0x900
[  357.700570]  mems_allowed=0
[  357.704888]  ? trace_hardirqs_off+0xb8/0x310
[  357.726557]  ? trace_hardirqs_off+0xb8/0x310
[  357.731799]  __alloc_pages_slowpath+0x2667/0x2d80
[  357.737102]  ? warn_alloc+0x120/0x120
[  357.741392]  ? trace_hardirqs_on+0x310/0x310
[  357.746211]  ? warn_alloc+0x120/0x120
[  357.750348]  ? print_usage_bug+0xc0/0xc0
[  357.754415]  ? warn_alloc+0x120/0x120
[  357.758224]  ? ktime_get+0x2e1/0x440
[  357.761934]  ? print_usage_bug+0xc0/0xc0
[  357.766007]  ? __lock_acquire+0x7ec/0x4ec0
[  357.770238]  ? __lock_acquire+0x7ec/0x4ec0
[  357.774487]  ? kasan_check_read+0x11/0x20
[  357.778642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  357.784186]  ? should_fail+0x22d/0xd01
[  357.788078]  ? rcu_bh_qs+0xc0/0xc0
[  357.791628]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.796730]  ? __lock_acquire+0x7ec/0x4ec0
[  357.800968]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  357.806086]  ? __lock_acquire+0x7ec/0x4ec0
[  357.810342]  ? should_fail+0x22d/0xd01
[  357.814236]  ? rcu_idle_enter+0x4b0/0x4b0
[  357.818396]  ? mark_held_locks+0x130/0x130
[  357.822636]  ? mark_held_locks+0x130/0x130
[  357.826885]  ? mark_held_locks+0xc7/0x130
[  357.831046]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  357.836061]  ? graph_lock+0x170/0x170
[  357.839867]  ? print_usage_bug+0xc0/0xc0
[  357.843929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.849488]  ? check_preemption_disabled+0x48/0x200
[  357.854504]  ? check_preemption_disabled+0x48/0x200
[  357.859544]  ? __lock_is_held+0xb5/0x140
[  357.863616]  __alloc_pages_nodemask+0xa80/0xde0
[  357.868283]  ? graph_lock+0x170/0x170
[  357.872096]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  357.877110]  ? graph_lock+0x170/0x170
[  357.880938]  ? find_held_lock+0x36/0x1c0
[  357.885013]  ? ____cache_alloc_node+0x1c7/0x1e0
[  357.889683]  ? lock_downgrade+0x900/0x900
[  357.893849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.899399]  cache_grow_begin+0x91/0x8c0
[  357.903464]  ? do_raw_spin_unlock+0xa7/0x2f0
[  357.907891]  fallback_alloc+0x203/0x2e0
[  357.911879]  ____cache_alloc_node+0x1c7/0x1e0
[  357.916382]  kmem_cache_alloc_node+0xe3/0x730
[  357.920883]  ? ipv6_get_ifaddr+0x42e/0x620
[  357.925144]  __alloc_skb+0x119/0x770
[  357.928876]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  357.934168]  ? skb_scrub_packet+0x490/0x490
[  357.938491]  ? lock_downgrade+0x900/0x900
[  357.942660]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  357.948201]  ? refcount_sub_and_test_checked+0x203/0x310
[  357.953659]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  357.959108]  ? addrconf_rs_timer+0x690/0x690
[  357.963530]  ndisc_alloc_skb+0x144/0x340
[  357.967597]  ndisc_send_rs+0x331/0x6e0
[  357.971528]  addrconf_rs_timer+0x314/0x690
[  357.975770]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.980024]  call_timer_fn+0x272/0x920
[  357.983923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  357.988161]  ? process_timeout+0x40/0x40
[  357.992225]  ? find_held_lock+0x36/0x1c0
[  357.996293]  ? mark_held_locks+0xc7/0x130
[  358.000458]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.004953]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.009447]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.013681]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  358.018265]  ? trace_hardirqs_on+0xbd/0x310
[  358.022587]  ? kasan_check_read+0x11/0x20
[  358.026749]  ? __run_timers+0x7da/0xc70
[  358.030741]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.036201]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.040442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  358.044682]  __run_timers+0x7e5/0xc70
[  358.048513]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  358.053881]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  358.058901]  ? graph_lock+0x170/0x170
[  358.062727]  ? print_usage_bug+0xc0/0xc0
[  358.066797]  ? lock_release+0x970/0x970
[  358.070772]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  358.076150]  ? find_held_lock+0x36/0x1c0
[  358.080245]  ? graph_lock+0x170/0x170
[  358.084051]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.089602]  ? check_preemption_disabled+0x48/0x200
[  358.094667]  ? __lock_is_held+0xb5/0x140
[  358.098737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.104302]  ? check_preemption_disabled+0x48/0x200
[  358.109345]  run_timer_softirq+0x52/0xb0
[  358.113423]  ? rcu_read_lock_sched_held+0x108/0x120
[  358.118438]  __do_softirq+0x30b/0xad8
[  358.122249]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  358.127361]  ? pvclock_read_flags+0x160/0x160
[  358.131870]  ? lapic_next_event+0x5a/0x90
[  358.136018]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.141556]  ? check_preemption_disabled+0x48/0x200
[  358.146576]  ? check_preemption_disabled+0x48/0x200
[  358.151616]  ? kvm_clock_read+0x18/0x30
[  358.155602]  ? kvm_sched_clock_read+0x9/0x20
[  358.160014]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.165554]  ? check_preemption_disabled+0x48/0x200
[  358.170585]  irq_exit+0x17f/0x1c0
[  358.174048]  smp_apic_timer_interrupt+0x1cb/0x760
[  358.178928]  ? smp_call_function_single_interrupt+0x650/0x650
[  358.185291]  ? interrupt_entry+0xb5/0xf0
[  358.189365]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.194392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  358.199414]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.204258]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.209274]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.214300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.219855]  ? check_preemption_disabled+0x48/0x200
[  358.224872]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.230415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.235271]  apic_timer_interrupt+0xf/0x20
[  358.239521]  </IRQ>
[  358.241762] RIP: 0010:lock_acquire+0x268/0x520
[  358.246361] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  358.265265] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  358.272974] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  358.280239] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  358.287502] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  358.294769] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  358.302036] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  358.309341]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.314900]  ? lock_release+0x970/0x970
[  358.318892]  ? activate_page+0x1040/0x1040
[  358.323133]  ? __unlock_page_memcg+0x53/0x100
[  358.327633]  ? check_preemption_disabled+0x48/0x200
[  358.332673]  lock_page_memcg+0x95/0x350
[  358.336646]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  358.341842]  ? rcu_bh_qs+0xc0/0xc0
[  358.345388]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  358.350589]  page_remove_rmap+0x855/0x1a30
[  358.354825]  ? page_add_file_rmap+0x1470/0x1470
[  358.359502]  ? __lock_is_held+0xb5/0x140
[  358.363575]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.369112]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.374649]  ? lru_add_drain_cpu+0x1c0/0x500
[  358.379095]  ? free_pages_and_swap_cache+0x475/0x6f0
[  358.384208]  ? free_page_and_swap_cache+0x950/0x950
[  358.389235]  ? kasan_check_read+0x11/0x20
[  358.393400]  ? page_mapcount+0x3b5/0x5d0
[  358.397487]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  358.402337]  ? lock_downgrade+0x900/0x900
[  358.406493]  ? lock_release+0x970/0x970
[  358.410475]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  358.415491]  ? _vm_normal_page+0x161/0x3c0
[  358.419728]  ? __pte_alloc_kernel+0x220/0x220
[  358.424225]  ? kasan_check_write+0x14/0x20
[  358.428459]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  358.433492]  ? __tlb_remove_page_size+0x187/0x500
[  358.438350]  unmap_page_range+0xf14/0x2030
[  358.442619]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  358.447130]  ? search_extable+0x80/0xb0
[  358.451104]  ? trim_init_extable+0x3a0/0x3a0
[  358.455517]  ? __get_user_8+0x21/0x2b
[  358.459328]  ? print_usage_bug+0xc0/0xc0
[  358.463416]  ? __lock_acquire+0x7ec/0x4ec0
[  358.467680]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  358.473219]  ? no_context+0xd9/0x980
[  358.476931]  ? lock_downgrade+0x900/0x900
[  358.481092]  ? graph_lock+0x170/0x170
[  358.484907]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.490446]  ? tlb_flush_mmu_free+0x135/0x1b0
[  358.494959]  ? find_held_lock+0x36/0x1c0
[  358.499028]  ? exit_mmap+0x4bb/0x590
[  358.502741]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  358.508282]  ? uprobe_munmap+0x14c/0x450
[  358.512354]  ? uprobe_mmap+0xd50/0xd50
[  358.516242]  ? lock_release+0x970/0x970
[  358.520220]  ? arch_local_save_flags+0x40/0x40
[  358.524816]  ? rwsem_down_write_failed+0xe/0x10
[  358.529488]  ? rwsem_down_write_failed+0xe/0x10
[  358.534157]  ? call_rwsem_down_write_failed+0x17/0x30
[  358.539374]  unmap_single_vma+0x19b/0x310
[  358.543533]  unmap_vmas+0x125/0x200
[  358.547167]  exit_mmap+0x2be/0x590
[  358.550710]  ? __ia32_sys_munmap+0x80/0x80
[  358.554994]  ? __might_sleep+0x95/0x190
[  358.558985]  mmput+0x247/0x610
[  358.562182]  ? lock_downgrade+0x900/0x900
[  358.566340]  ? set_mm_exe_file+0x200/0x200
[  358.570588]  ? kasan_check_read+0x11/0x20
[  358.574751]  ? do_raw_spin_unlock+0xa7/0x2f0
[  358.579186]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  358.583774]  ? kasan_check_write+0x14/0x20
[  358.588027]  ? do_raw_spin_lock+0xc1/0x200
[  358.592270]  do_exit+0xe6f/0x2610
[  358.595726]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  358.600776]  ? mm_update_next_owner+0x990/0x990
[  358.605448]  ? print_usage_bug+0xc0/0xc0
[  358.609511]  ? graph_lock+0x170/0x170
[  358.613327]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.618902]  ? check_preemption_disabled+0x48/0x200
[  358.623918]  ? check_preemption_disabled+0x48/0x200
[  358.628945]  ? print_usage_bug+0xc0/0xc0
[  358.633022]  ? __lock_acquire+0x7ec/0x4ec0
[  358.637262]  ? __lock_acquire+0x7ec/0x4ec0
[  358.641516]  ? mark_held_locks+0x130/0x130
[  358.645758]  ? mark_held_locks+0x130/0x130
[  358.649994]  ? kasan_check_write+0x14/0x20
[  358.654231]  ? finish_task_switch+0x2f5/0x900
[  358.658723]  ? __switch_to_asm+0x40/0x70
[  358.662785]  ? __switch_to_asm+0x34/0x70
[  358.666852]  ? __switch_to_asm+0x34/0x70
[  358.670910]  ? __switch_to_asm+0x40/0x70
[  358.674984]  ? __switch_to_asm+0x34/0x70
[  358.679043]  ? __switch_to_asm+0x40/0x70
[  358.683107]  ? __switch_to_asm+0x34/0x70
[  358.687162]  ? __switch_to_asm+0x34/0x70
[  358.691224]  ? __switch_to_asm+0x34/0x70
[  358.695283]  ? __switch_to_asm+0x34/0x70
[  358.699350]  ? __switch_to_asm+0x40/0x70
[  358.703421]  ? __switch_to_asm+0x34/0x70
[  358.707480]  ? __switch_to_asm+0x40/0x70
[  358.711547]  ? graph_lock+0x170/0x170
[  358.715349]  ? graph_lock+0x170/0x170
[  358.719154]  ? graph_lock+0x170/0x170
[  358.722951]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  358.728491]  ? wait_consider_task+0x245/0x3bb0
[  358.733100]  ? memset+0x31/0x40
[  358.736385]  ? find_held_lock+0x36/0x1c0
[  358.740454]  ? get_signal+0x95b/0x1980
[  358.744349]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.748849]  ? _raw_spin_unlock_irq+0x27/0x80
[  358.753372]  do_group_exit+0x177/0x440
[  358.757273]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  358.762722]  ? __ia32_sys_exit+0x50/0x50
[  358.766788]  get_signal+0x8b0/0x1980
[  358.770506]  ? ptrace_notify+0x130/0x130
[  358.774564]  ? do_wait+0x57d/0xb90
[  358.778140]  ? wait_consider_task+0x3bb0/0x3bb0
[  358.782818]  ? graph_lock+0x170/0x170
[  358.786623]  ? graph_lock+0x170/0x170
[  358.790423]  ? graph_lock+0x170/0x170
[  358.794235]  do_signal+0x9c/0x21e0
[  358.797786]  ? find_held_lock+0x36/0x1c0
[  358.801861]  ? setup_sigcontext+0x7d0/0x7d0
[  358.806181]  ? kernel_wait4+0x2e0/0x3f0
[  358.810155]  ? __ia32_sys_waitid+0x140/0x140
[  358.814567]  ? task_stopped_code+0x190/0x190
[  358.818984]  ? exit_to_usermode_loop+0x8c/0x380
[  358.823669]  ? __do_page_fault+0x4a6/0xed0
[  358.827908]  ? do_syscall_64+0x9a/0x820
[  358.831887]  ? do_syscall_64+0x9a/0x820
[  358.835878]  exit_to_usermode_loop+0x2e5/0x380
[  358.840464]  ? syscall_slow_exit_work+0x520/0x520
[  358.845341]  do_syscall_64+0x6be/0x820
[  358.849248]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  358.854615]  ? syscall_return_slowpath+0x5e0/0x5e0
[  358.859543]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.864392]  ? trace_hardirqs_on_caller+0x310/0x310
[  358.869414]  ? prepare_exit_to_usermode+0x291/0x3b0
[  358.874440]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  358.879294]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  358.884490] RIP: 0033:0x41124a
[  358.887685] Code: Bad RIP value.
[  358.891047] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  358.898764] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  358.906034] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  358.913304] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  358.920584] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  358.927853] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  358.935149] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  358.935155] warn_alloc_show_mem: 1 callbacks suppressed
[  358.935162] Mem-Info:
[  358.942438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  358.947820] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  358.947820]  active_file:8 inactive_file:19 isolated_file:0
[  358.947820]  unevictable:0 dirty:0 writeback:0 unstable:0
[  358.947820]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  358.947820]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  358.947820]  free:13709 free_pcp:257 free_cma:0
[  358.950191] Call Trace:
[  358.959580] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  358.992515]  <IRQ>
[  358.995091] Node 0 
[  359.022759]  dump_stack+0x1c4/0x2b4
[  359.024949] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  359.027162]  ? dump_stack_print_info.cold.2+0x52/0x52
[  359.030775] lowmem_reserve[]:
[  359.056282]  warn_alloc.cold.119+0xb7/0x1bd
[  359.061451]  0
[  359.064570]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  359.068868]  2819
[  359.070674]  ? lock_downgrade+0x900/0x900
[  359.075491]  6323 6323
[  359.077578]  ? trace_hardirqs_off+0xb8/0x310
[  359.084192]  ? trace_hardirqs_off+0xb8/0x310
[  359.088577] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  359.093011]  __alloc_pages_slowpath+0x2667/0x2d80
[  359.093053]  ? warn_alloc+0x120/0x120
[  359.120333] lowmem_reserve[]: 0
[  359.125191]  ? lock_release+0x970/0x970
[  359.128961]  0 3503
[  359.132257]  ? warn_alloc+0x120/0x120
[  359.136209]  3503
[  359.138445]  ? print_usage_bug+0xc0/0xc0
[  359.144282]  ? warn_alloc+0x120/0x120
[  359.148320] Node 0 Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  359.152129]  ? print_usage_bug+0xc0/0xc0
[  359.181072] lowmem_reserve[]: 0 0
[  359.185138]  ? __lock_acquire+0x7ec/0x4ec0
[  359.185153]  ? __lock_acquire+0x7ec/0x4ec0
[  359.188584]  0
[  359.192815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.197016]  0
[  359.198824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  359.204370] Node 0 
[  359.206184]  ? should_fail+0x22d/0xd01
[  359.211696] DMA: 
[  359.213929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.217808] 1*4kB 
[  359.219863]  ? __lock_acquire+0x7ec/0x4ec0
[  359.224958] (U) 
[  359.227104]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  359.231321] 0*8kB 
[  359.233297]  ? __lock_acquire+0x7ec/0x4ec0
[  359.238385] 0*16kB 
[  359.240535]  ? should_fail+0x22d/0xd01
[  359.244745] 1*32kB 
[  359.246995]  ? mark_held_locks+0x130/0x130
[  359.250855] (U) 
[  359.253083]  ? mark_held_locks+0x130/0x130
[  359.257291] 2*64kB 
[  359.259269]  ? graph_lock+0x170/0x170
[  359.263481] (U) 
[  359.265710]  ? print_usage_bug+0xc0/0xc0
[  359.269479] 1*128kB (U) 
[  359.271474]  ? graph_lock+0x170/0x170
[  359.275514] 1*256kB 
[  359.278179]  ? print_usage_bug+0xc0/0xc0
[  359.281958] (U) 
[  359.284279]  ? wq_watchdog_touch+0x9c/0xfe
[  359.288340] 0*512kB 
[  359.290324]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.294533] 1*1024kB 
[  359.296861]  ? check_preemption_disabled+0x48/0x200
[  359.302366] (U) 1*2048kB 
[  359.304795]  ? check_preemption_disabled+0x48/0x200
[  359.309783] (M) 3*4096kB 
[  359.312562]  ? __lock_is_held+0xb5/0x140
[  359.317546] (M) = 15908kB
[  359.320321]  __alloc_pages_nodemask+0xa80/0xde0
[  359.324361] Node 0 
[  359.327117]  ? graph_lock+0x170/0x170
[  359.331764] DMA32: 
[  359.333998]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  359.337789] 4*4kB 
[  359.340021]  ? graph_lock+0x170/0x170
[  359.345014] (UM) 
[  359.347179]  ? find_held_lock+0x36/0x1c0
[  359.350951] 2*8kB 
[  359.353043]  ? ____cache_alloc_node+0x1c7/0x1e0
[  359.357082] (UM) 
[  359.359235]  ? lock_downgrade+0x900/0x900
[  359.363893] 2*16kB 
[  359.365958]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.370082] (M) 
[  359.372330]  cache_grow_begin+0x91/0x8c0
[  359.377845] 3*32kB (UM) 
[  359.379832]  ? do_raw_spin_unlock+0xa7/0x2f0
[  359.383891] 5*64kB 
[  359.386566]  fallback_alloc+0x203/0x2e0
[  359.390945] (UM) 
[  359.393179]  ____cache_alloc_node+0x1c7/0x1e0
[  359.397132] 4*128kB 
[  359.399192]  kmem_cache_alloc_node+0xe3/0x730
[  359.403660] (UM) 
[  359.405986]  ? ipv6_get_ifaddr+0x42e/0x620
[  359.410460] 4*256kB 
[  359.412524]  __alloc_skb+0x119/0x770
[  359.416732] (UM) 
[  359.419058]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  359.422750] 3*512kB 
[  359.424821]  ? skb_scrub_packet+0x490/0x490
[  359.430071] (M) 
[  359.432405]  ? lock_downgrade+0x900/0x900
[  359.436707] 3*1024kB 
[  359.438682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.442807] (UM) 
[  359.445235]  ? refcount_sub_and_test_checked+0x203/0x310
[  359.450748] 3*2048kB 
[  359.452836]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  359.458258] (M) 3*4096kB 
[  359.460672]  ? addrconf_rs_timer+0x690/0x690
[  359.466099] (M) 
[  359.468860]  ndisc_alloc_skb+0x144/0x340
[  359.473238] = 25056kB
[  359.473247] Node 0 
[  359.475219]  ndisc_send_rs+0x331/0x6e0
[  359.479258] Normal: 
[  359.481691]  addrconf_rs_timer+0x314/0x690
[  359.483905] 798*4kB 
[  359.487815]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.490114] (ME) 
[  359.494363]  call_timer_fn+0x272/0x920
[  359.496652] 471*8kB 
[  359.500884]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.502937] (UME) 
[  359.506819]  ? process_timeout+0x40/0x40
[  359.509123] 208*16kB 
[  359.513355]  ? find_held_lock+0x36/0x1c0
[  359.515479] (UME) 
[  359.519544]  ? __run_timers+0x7da/0xc70
[  359.521928] 76*32kB 
[  359.525991]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.528119] (UME) 
[  359.532093]  ? _raw_spin_unlock_irq+0x27/0x80
[  359.534395] 4*64kB (M) 
[  359.538894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.541022] 1*128kB 
[  359.545515]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  359.548081] (U) 
[  359.552321]  ? trace_hardirqs_on+0xbd/0x310
[  359.554621] 1*256kB 
[  359.559205]  ? kasan_check_read+0x11/0x20
[  359.561155] (U) 
[  359.565473]  ? __run_timers+0x7da/0xc70
[  359.567774] 1*512kB 
[  359.571918]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  359.573870] (U) 
[  359.577838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.580159] 0*1024kB 
[  359.585606]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  359.587561] 0*2048kB 
[  359.591797]  __run_timers+0x7e5/0xc70
[  359.594187] 0*4096kB 
[  359.598420]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  359.600802] = 13872kB
[  359.604607]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  359.606997] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  359.612365]  ? graph_lock+0x170/0x170
[  359.614756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  359.619761]  ? enqueue_hrtimer+0x1a5/0x560
[  359.628576] 1299 total pagecache pages
[  359.632384]  ? lock_release+0x970/0x970
[  359.640941] 0 pages in swap cache
[  359.645176]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  359.649072] Swap cache stats: add 0, delete 0, find 0/0
[  359.653050]  ? find_held_lock+0x36/0x1c0
[  359.656482] Free swap  = 0kB
[  359.661664]  ? graph_lock+0x170/0x170
[  359.667000] Total swap = 0kB
[  359.667009] 1965979 pages RAM
[  359.671069]  ? pvclock_read_flags+0x160/0x160
[  359.674075] 0 pages HighMem/MovableOnly
[  359.674098] 342306 pages reserved
[  359.677895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.680894] 0 pages cma reserved
[  359.683997]  ? check_preemption_disabled+0x48/0x200
[  359.688569] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  359.692438]  ? __lock_is_held+0xb5/0x140
[  359.695938] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  359.701406]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.704749] syz-executor1 cpuset=
[  359.709758]  ? check_preemption_disabled+0x48/0x200
[  359.716221] /
[  359.720282]  run_timer_softirq+0x52/0xb0
[  359.730744]  mems_allowed=0
[  359.736275]  ? rcu_read_lock_sched_held+0x108/0x120
[  359.758460]  __do_softirq+0x30b/0xad8
[  359.762269]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  359.767404]  ? pvclock_read_flags+0x160/0x160
[  359.771912]  ? lapic_next_event+0x5a/0x90
[  359.776061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.781597]  ? check_preemption_disabled+0x48/0x200
[  359.786609]  ? check_preemption_disabled+0x48/0x200
[  359.791639]  ? kvm_clock_read+0x18/0x30
[  359.795611]  ? kvm_sched_clock_read+0x9/0x20
[  359.800023]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.805558]  ? check_preemption_disabled+0x48/0x200
[  359.810585]  irq_exit+0x17f/0x1c0
[  359.814033]  smp_apic_timer_interrupt+0x1cb/0x760
[  359.818873]  ? smp_reschedule_interrupt+0x109/0x650
[  359.823892]  ? smp_call_function_single_interrupt+0x650/0x650
[  359.829784]  ? interrupt_entry+0xb5/0xf0
[  359.833853]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.838871]  ? trace_hardirqs_off_caller+0xbb/0x310
[  359.843902]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.848760]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.853774]  ? trace_hardirqs_on_caller+0x310/0x310
[  359.858816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.864360]  ? check_preemption_disabled+0x48/0x200
[  359.869379]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  359.874929]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  359.879795]  apic_timer_interrupt+0xf/0x20
[  359.884024]  </IRQ>
[  359.886264] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  359.891207] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  359.910104] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  359.917825] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  359.925103] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  359.932390] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  359.939653] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  359.946924] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  359.954228]  skb_clone+0x1bb/0x500
[  359.957774]  ? finish_task_switch+0x1b5/0x900
[  359.962271]  ? skb_split+0x11e0/0x11e0
[  359.966159]  ? preempt_notifier_register+0x200/0x200
[  359.971261]  ? __switch_to_asm+0x34/0x70
[  359.975345]  ? __switch_to_asm+0x34/0x70
[  359.979409]  ? __switch_to_asm+0x40/0x70
[  359.983485]  ? __switch_to_asm+0x34/0x70
[  359.987545]  ? __switch_to_asm+0x40/0x70
[  359.991606]  ? __switch_to_asm+0x34/0x70
[  359.995677]  ? __switch_to_asm+0x40/0x70
[  359.999738]  ? __switch_to_asm+0x34/0x70
[  360.003811]  ? __switch_to_asm+0x34/0x70
[  360.007871]  ? __switch_to_asm+0x40/0x70
[  360.011936]  ? __switch_to_asm+0x34/0x70
[  360.016009]  bpf_clone_redirect+0xb9/0x490
[  360.020254]  ? __schedule+0x874/0x1ed0
[  360.024155]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  360.029175]  ? __sched_text_start+0x8/0x8
[  360.033343]  ? lockdep_hardirqs_on+0x421/0x5c0
[  360.037933]  ? retint_kernel+0x2d/0x2d
[  360.041822]  ? trace_hardirqs_on_caller+0xc0/0x310
[  360.046764]  ? find_held_lock+0x36/0x1c0
[  360.050834]  ? lock_acquire+0x1ed/0x520
[  360.054814]  ? bpf_test_run+0x3cb/0x780
[  360.058816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.064373]  ? check_preemption_disabled+0x48/0x200
[  360.069429]  ? kasan_check_read+0x11/0x20
[  360.073580]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  360.079375]  ? rcu_bh_qs+0xc0/0xc0
[  360.082925]  ? preempt_schedule+0x4d/0x60
[  360.087087]  ? ___preempt_schedule+0x16/0x18
[  360.091510]  ? bpf_test_run+0x25d/0x780
[  360.095502]  ? netlink_diag_dump+0x2a0/0x2a0
[  360.099915]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.105454]  ? bpf_test_init.isra.9+0x70/0x100
[  360.110044]  ? bpf_prog_test_run_skb+0x634/0xb40
[  360.114825]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  360.119668]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  360.125219]  ? fput+0x130/0x1a0
[  360.128502]  ? __bpf_prog_get+0x9b/0x290
[  360.132568]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  360.137410]  ? bpf_prog_test_run+0x130/0x1a0
[  360.141822]  ? __x64_sys_bpf+0x3d8/0x510
[  360.145884]  ? bpf_prog_get+0x20/0x20
[  360.149710]  ? do_syscall_64+0x1b9/0x820
[  360.153773]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  360.159141]  ? syscall_return_slowpath+0x5e0/0x5e0
[  360.164102]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.169118]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  360.174155]  ? recalc_sigpending_tsk+0x180/0x180
[  360.178910]  ? kasan_check_write+0x14/0x20
[  360.183255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.188112]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  360.193501] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  360.193586] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  360.200774] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  360.200780] Call Trace:
[  360.200787]  <IRQ>
[  360.200804]  dump_stack+0x1c4/0x2b4
[  360.200823]  ? dump_stack_print_info.cold.2+0x52/0x52
[  360.207432] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  360.216676]  warn_alloc.cold.119+0xb7/0x1bd
[  360.216694]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  360.219463] syz-executor4 cpuset=
[  360.221614]  ? lock_downgrade+0x900/0x900
[  360.221637]  ? trace_hardirqs_off+0xb8/0x310
[  360.225401] syz4
[  360.230536]  ? trace_hardirqs_off+0xb8/0x310
[  360.230560]  __alloc_pages_slowpath+0x2667/0x2d80
[  360.230606]  ? warn_alloc+0x120/0x120
[  360.241184]  mems_allowed=0
[  360.280207]  ? graph_lock+0x170/0x170
[  360.284013]  ? warn_alloc+0x120/0x120
[  360.287850]  ? print_usage_bug+0xc0/0xc0
[  360.291914]  ? warn_alloc+0x120/0x120
[  360.295716]  ? print_usage_bug+0xc0/0xc0
[  360.299782]  ? __lock_acquire+0x7ec/0x4ec0
[  360.304017]  ? __lock_acquire+0x7ec/0x4ec0
[  360.308256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.313796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.319422]  ? should_fail+0x22d/0xd01
[  360.323325]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.328696]  ? __lock_acquire+0x7ec/0x4ec0
[  360.332939]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  360.338042]  ? __lock_acquire+0x7ec/0x4ec0
[  360.342273]  ? should_fail+0x22d/0xd01
[  360.346175]  ? mark_held_locks+0x130/0x130
[  360.350419]  ? mark_held_locks+0x130/0x130
[  360.354657]  ? graph_lock+0x170/0x170
[  360.358462]  ? print_usage_bug+0xc0/0xc0
[  360.362529]  ? graph_lock+0x170/0x170
[  360.366338]  ? print_usage_bug+0xc0/0xc0
[  360.370404]  ? wq_watchdog_touch+0x9c/0xfe
[  360.374642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.380185]  ? check_preemption_disabled+0x48/0x200
[  360.385206]  ? check_preemption_disabled+0x48/0x200
[  360.390240]  ? __lock_is_held+0xb5/0x140
[  360.394320]  __alloc_pages_nodemask+0xa80/0xde0
[  360.398993]  ? graph_lock+0x170/0x170
[  360.402799]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  360.407817]  ? graph_lock+0x170/0x170
[  360.411634]  ? find_held_lock+0x36/0x1c0
[  360.415708]  ? ____cache_alloc_node+0x1c7/0x1e0
[  360.420379]  ? lock_downgrade+0x900/0x900
[  360.424553]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.430109]  cache_grow_begin+0x91/0x8c0
[  360.434173]  ? do_raw_spin_unlock+0xa7/0x2f0
[  360.438587]  fallback_alloc+0x203/0x2e0
[  360.442569]  ____cache_alloc_node+0x1c7/0x1e0
[  360.447083]  kmem_cache_alloc_node+0xe3/0x730
[  360.451580]  ? ipv6_get_ifaddr+0x42e/0x620
[  360.455861]  __alloc_skb+0x119/0x770
[  360.459582]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  360.464866]  ? skb_scrub_packet+0x490/0x490
[  360.469187]  ? lock_downgrade+0x900/0x900
[  360.473355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.478908]  ? refcount_sub_and_test_checked+0x203/0x310
[  360.484416]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  360.489876]  ? addrconf_rs_timer+0x690/0x690
[  360.494309]  ndisc_alloc_skb+0x144/0x340
[  360.498388]  ndisc_send_rs+0x331/0x6e0
[  360.502284]  addrconf_rs_timer+0x314/0x690
[  360.506537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.510805]  call_timer_fn+0x272/0x920
[  360.514694]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.518933]  ? process_timeout+0x40/0x40
[  360.523011]  ? find_held_lock+0x36/0x1c0
[  360.527085]  ? mark_held_locks+0xc7/0x130
[  360.531243]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.535759]  ? _raw_spin_unlock_irq+0x27/0x80
[  360.540266]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.544500]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  360.549088]  ? trace_hardirqs_on+0xbd/0x310
[  360.553411]  ? kasan_check_read+0x11/0x20
[  360.557563]  ? __run_timers+0x7da/0xc70
[  360.561539]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  360.566997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.571240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  360.575489]  __run_timers+0x7e5/0xc70
[  360.579326]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  360.584703]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.589726]  ? graph_lock+0x170/0x170
[  360.593563]  ? print_usage_bug+0xc0/0xc0
[  360.597622]  ? lock_release+0x970/0x970
[  360.601598]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  360.606803]  ? find_held_lock+0x36/0x1c0
[  360.610881]  ? graph_lock+0x170/0x170
[  360.614691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.620233]  ? check_preemption_disabled+0x48/0x200
[  360.625264]  ? __lock_is_held+0xb5/0x140
[  360.629339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.634885]  ? check_preemption_disabled+0x48/0x200
[  360.639912]  run_timer_softirq+0x52/0xb0
[  360.643974]  ? rcu_read_lock_sched_held+0x108/0x120
[  360.648997]  __do_softirq+0x30b/0xad8
[  360.652813]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  360.657929]  ? pvclock_read_flags+0x160/0x160
[  360.662421]  ? lapic_next_event+0x5a/0x90
[  360.666617]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.672154]  ? check_preemption_disabled+0x48/0x200
[  360.677169]  ? check_preemption_disabled+0x48/0x200
[  360.682191]  ? kvm_clock_read+0x18/0x30
[  360.686166]  ? kvm_sched_clock_read+0x9/0x20
[  360.690582]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.696125]  ? check_preemption_disabled+0x48/0x200
[  360.701160]  irq_exit+0x17f/0x1c0
[  360.704645]  smp_apic_timer_interrupt+0x1cb/0x760
[  360.709491]  ? smp_call_function_single_interrupt+0x650/0x650
[  360.715376]  ? interrupt_entry+0xb5/0xf0
[  360.719445]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.724463]  ? trace_hardirqs_off_caller+0xbb/0x310
[  360.729479]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.734340]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.739355]  ? trace_hardirqs_on_caller+0x310/0x310
[  360.744373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.749940]  ? check_preemption_disabled+0x48/0x200
[  360.754953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.760510]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  360.765372]  apic_timer_interrupt+0xf/0x20
[  360.769600]  </IRQ>
[  360.771856] RIP: 0010:lock_acquire+0x268/0x520
[  360.776439] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  360.795345] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  360.803057] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  360.810329] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  360.817607] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  360.824871] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  360.832138] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  360.839446]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  360.844987]  ? lock_release+0x970/0x970
[  360.848963]  ? activate_page+0x1040/0x1040
[  360.853217]  ? __unlock_page_memcg+0x53/0x100
[  360.857736]  ? check_preemption_disabled+0x48/0x200
[  360.862762]  lock_page_memcg+0x95/0x350
[  360.866744]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  360.871932]  ? rcu_bh_qs+0xc0/0xc0
[  360.875479]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  360.880685]  page_remove_rmap+0x855/0x1a30
[  360.884929]  ? page_add_file_rmap+0x1470/0x1470
[  360.889597]  ? __lock_is_held+0xb5/0x140
[  360.893683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  360.899249]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  360.904789]  ? lru_add_drain_cpu+0x1c0/0x500
[  360.909212]  ? free_pages_and_swap_cache+0x475/0x6f0
[  360.914336]  ? free_page_and_swap_cache+0x950/0x950
[  360.919369]  ? kasan_check_read+0x11/0x20
[  360.923533]  ? page_mapcount+0x3b5/0x5d0
[  360.927597]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  360.932441]  ? lock_downgrade+0x900/0x900
[  360.936597]  ? lock_release+0x970/0x970
[  360.940574]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  360.945591]  ? _vm_normal_page+0x161/0x3c0
[  360.949828]  ? __pte_alloc_kernel+0x220/0x220
[  360.954348]  ? kasan_check_write+0x14/0x20
[  360.958602]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  360.963630]  ? __tlb_remove_page_size+0x187/0x500
[  360.968478]  unmap_page_range+0xf14/0x2030
[  360.972736]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  360.977245]  ? search_extable+0x80/0xb0
[  360.981219]  ? trim_init_extable+0x3a0/0x3a0
[  360.985631]  ? __get_user_8+0x21/0x2b
[  360.989450]  ? print_usage_bug+0xc0/0xc0
[  360.993520]  ? __lock_acquire+0x7ec/0x4ec0
[  360.997756]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  361.003298]  ? no_context+0xd9/0x980
[  361.007018]  ? lock_downgrade+0x900/0x900
[  361.011173]  ? graph_lock+0x170/0x170
[  361.014984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.020525]  ? tlb_flush_mmu_free+0x135/0x1b0
[  361.025027]  ? find_held_lock+0x36/0x1c0
[  361.029095]  ? exit_mmap+0x4bb/0x590
[  361.032828]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.038391]  ? uprobe_munmap+0x14c/0x450
[  361.042460]  ? uprobe_mmap+0xd50/0xd50
[  361.046352]  ? lock_release+0x970/0x970
[  361.050340]  ? arch_local_save_flags+0x40/0x40
[  361.054935]  ? rwsem_down_write_failed+0xe/0x10
[  361.059610]  ? rwsem_down_write_failed+0xe/0x10
[  361.064281]  ? call_rwsem_down_write_failed+0x17/0x30
[  361.069489]  unmap_single_vma+0x19b/0x310
[  361.073648]  unmap_vmas+0x125/0x200
[  361.077286]  exit_mmap+0x2be/0x590
[  361.080853]  ? __ia32_sys_munmap+0x80/0x80
[  361.085110]  ? __might_sleep+0x95/0x190
[  361.089092]  mmput+0x247/0x610
[  361.092420]  ? lock_downgrade+0x900/0x900
[  361.096570]  ? set_mm_exe_file+0x200/0x200
[  361.100829]  ? kasan_check_read+0x11/0x20
[  361.104995]  ? do_raw_spin_unlock+0xa7/0x2f0
[  361.109407]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  361.113999]  ? kasan_check_write+0x14/0x20
[  361.118235]  ? do_raw_spin_lock+0xc1/0x200
[  361.122528]  do_exit+0xe6f/0x2610
[  361.126007]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  361.131037]  ? mm_update_next_owner+0x990/0x990
[  361.135710]  ? print_usage_bug+0xc0/0xc0
[  361.139796]  ? graph_lock+0x170/0x170
[  361.143616]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.149157]  ? check_preemption_disabled+0x48/0x200
[  361.154173]  ? check_preemption_disabled+0x48/0x200
[  361.159192]  ? print_usage_bug+0xc0/0xc0
[  361.163256]  ? __lock_acquire+0x7ec/0x4ec0
[  361.167496]  ? __lock_acquire+0x7ec/0x4ec0
[  361.171751]  ? mark_held_locks+0x130/0x130
[  361.175998]  ? mark_held_locks+0x130/0x130
[  361.180232]  ? kasan_check_write+0x14/0x20
[  361.184470]  ? finish_task_switch+0x2f5/0x900
[  361.188983]  ? __switch_to_asm+0x40/0x70
[  361.193052]  ? __switch_to_asm+0x34/0x70
[  361.197113]  ? __switch_to_asm+0x34/0x70
[  361.201177]  ? __switch_to_asm+0x40/0x70
[  361.205237]  ? __switch_to_asm+0x34/0x70
[  361.209298]  ? __switch_to_asm+0x40/0x70
[  361.213371]  ? __switch_to_asm+0x34/0x70
[  361.217445]  ? __switch_to_asm+0x34/0x70
[  361.221507]  ? __switch_to_asm+0x34/0x70
[  361.225573]  ? __switch_to_asm+0x34/0x70
[  361.229650]  ? __switch_to_asm+0x40/0x70
[  361.233711]  ? __switch_to_asm+0x34/0x70
[  361.237795]  ? __switch_to_asm+0x40/0x70
[  361.241877]  ? graph_lock+0x170/0x170
[  361.245682]  ? graph_lock+0x170/0x170
[  361.249490]  ? graph_lock+0x170/0x170
[  361.253308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.258882]  ? wait_consider_task+0x245/0x3bb0
[  361.263465]  ? memset+0x31/0x40
[  361.266751]  ? find_held_lock+0x36/0x1c0
[  361.270825]  ? get_signal+0x95b/0x1980
[  361.274720]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.279214]  ? _raw_spin_unlock_irq+0x27/0x80
[  361.283719]  do_group_exit+0x177/0x440
[  361.287638]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  361.293090]  ? __ia32_sys_exit+0x50/0x50
[  361.297160]  get_signal+0x8b0/0x1980
[  361.300888]  ? ptrace_notify+0x130/0x130
[  361.304951]  ? do_wait+0x57d/0xb90
[  361.308502]  ? wait_consider_task+0x3bb0/0x3bb0
[  361.313171]  ? graph_lock+0x170/0x170
[  361.316971]  ? graph_lock+0x170/0x170
[  361.320775]  ? graph_lock+0x170/0x170
[  361.324595]  do_signal+0x9c/0x21e0
[  361.328151]  ? find_held_lock+0x36/0x1c0
[  361.332223]  ? setup_sigcontext+0x7d0/0x7d0
[  361.336542]  ? kernel_wait4+0x2e0/0x3f0
[  361.340529]  ? __ia32_sys_waitid+0x140/0x140
[  361.344941]  ? task_stopped_code+0x190/0x190
[  361.349359]  ? exit_to_usermode_loop+0x8c/0x380
[  361.354044]  ? __do_page_fault+0x4a6/0xed0
[  361.358278]  ? do_syscall_64+0x9a/0x820
[  361.362258]  ? do_syscall_64+0x9a/0x820
[  361.366240]  exit_to_usermode_loop+0x2e5/0x380
[  361.370825]  ? syscall_slow_exit_work+0x520/0x520
[  361.375701]  do_syscall_64+0x6be/0x820
[  361.379611]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  361.384983]  ? syscall_return_slowpath+0x5e0/0x5e0
[  361.389911]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.394754]  ? trace_hardirqs_on_caller+0x310/0x310
[  361.399776]  ? prepare_exit_to_usermode+0x291/0x3b0
[  361.404813]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  361.409669]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  361.414861] RIP: 0033:0x41124a
[  361.418073] Code: Bad RIP value.
[  361.421432] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  361.429146] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  361.436415] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  361.443684] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  361.450951] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  361.458220] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  361.465511] warn_alloc_show_mem: 1 callbacks suppressed
[  361.465524] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  361.465527] Mem-Info:
[  361.465558] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  361.465558]  active_file:8 inactive_file:19 isolated_file:0
[  361.465558]  unevictable:0 dirty:0 writeback:0 unstable:0
[  361.465558]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  361.465558]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  361.465558]  free:13709 free_pcp:257 free_cma:0
[  361.470898] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  361.470908] Call Trace:
[  361.478188] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  361.480588]  <IRQ>
[  361.513540] Node 0 
[  361.522904]  dump_stack+0x1c4/0x2b4
[  361.525494] 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
[  361.553143]  ? dump_stack_print_info.cold.2+0x52/0x52
[  361.555266] lowmem_reserve[]: 0
[  361.557521]  warn_alloc.cold.119+0xb7/0x1bd
[  361.561119]  2819
[  361.586619]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  361.591814]  6323
[  361.595096]  ? lock_downgrade+0x900/0x900
[  361.599391]  6323
[  361.601455]  ? trace_hardirqs_off+0xb8/0x310
[  361.608334]  ? trace_hardirqs_off+0xb8/0x310
[  361.612455] Node 0 
[  361.614532]  __alloc_pages_slowpath+0x2667/0x2d80
[  361.618952] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  361.623371]  ? warn_alloc+0x120/0x120
[  361.625558] lowmem_reserve[]:
[  361.630397]  ? warn_alloc+0x120/0x120
[  361.657093]  0 0
[  361.660905]  ? print_usage_bug+0xc0/0xc0
[  361.664456]  3503 3503
[  361.668263]  ? lockdep_on+0x50/0x50
[  361.668280]  ? lock_pin_lock+0x350/0x350
[  361.670240] Node 0 
[  361.674302]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  361.676810] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  361.680411]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  361.684443] lowmem_reserve[]: 0
[  361.686699]  ? should_fail+0x22d/0xd01
[  361.691973]  0
[  361.720351]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.725862]  0
[  361.729152]  ? __lock_acquire+0x7ec/0x4ec0
[  361.733029]  0
[  361.734830]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  361.741734]  ? __lock_acquire+0x2881/0x4ec0
[  361.746130] Node 0 
[  361.747933]  ? should_fail+0x22d/0xd01
[  361.753025] DMA: 
[  361.757369]  ? __save_stack_trace+0x8d/0xf0
[  361.759586] 1*4kB 
[  361.763472]  ? mark_held_locks+0x130/0x130
[  361.765510] (U) 
[  361.769828]  ? mark_held_locks+0x130/0x130
[  361.771972] 0*8kB 
[  361.776197]  ? save_trace+0xe0/0x290
[  361.778151] 0*16kB 
[  361.782383]  ? kasan_check_read+0x11/0x20
[  361.784511] 1*32kB 
[  361.788216]  ? __lock_acquire+0x2881/0x4ec0
[  361.790428] (U) 
[  361.794581]  ? graph_lock+0x170/0x170
[  361.796799] 2*64kB 
[  361.801120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.803086] (U) 
[  361.806888]  ? check_preemption_disabled+0x48/0x200
[  361.809102] 1*128kB 
[  361.814635]  ? check_preemption_disabled+0x48/0x200
[  361.816588] (U) 
[  361.821610]  ? __lock_is_held+0xb5/0x140
[  361.823911] 1*256kB 
[  361.828941]  __alloc_pages_nodemask+0xa80/0xde0
[  361.830891] (U) 
[  361.834958]  ? graph_lock+0x170/0x170
[  361.837280] 0*512kB 
[  361.841947]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  361.843905] 1*1024kB 
[  361.847701]  ? graph_lock+0x170/0x170
[  361.850016] (U) 
[  361.855035]  ? find_held_lock+0x36/0x1c0
[  361.857418] 1*2048kB 
[  361.861220]  ? ____cache_alloc_node+0x1c7/0x1e0
[  361.863169] (M) 
[  361.867229]  ? lock_downgrade+0x900/0x900
[  361.869622] 3*4096kB 
[  361.874321]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  361.876268] (M) 
[  361.880415]  cache_grow_begin+0x91/0x8c0
[  361.882803] = 15908kB
[  361.888354]  ? do_raw_spin_unlock+0xa7/0x2f0
[  361.890325] Node 0 
[  361.894402]  fallback_alloc+0x203/0x2e0
[  361.896784] DMA32: 
[  361.901189]  ____cache_alloc_node+0x1c7/0x1e0
[  361.903401] 4*4kB 
[  361.907376]  kmem_cache_alloc_node+0xe3/0x730
[  361.909587] (UM) 
[  361.914079]  ? do_raw_spin_unlock+0xa7/0x2f0
[  361.916208] 2*8kB 
[  361.920698]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  361.922736] (UM) 
[  361.927162]  __alloc_skb+0x119/0x770
[  361.929290] 2*16kB 
[  361.933885]  ? skb_scrub_packet+0x490/0x490
[  361.935939] (M) 
[  361.939662]  ? atomic_notifier_call_chain+0xc6/0x190
[  361.941892] 3*32kB 
[  361.946210]  ? lock_downgrade+0x900/0x900
[  361.948165] (UM) 
[  361.953263]  ? check_preemption_disabled+0x48/0x200
[  361.953288]  ? rcu_read_unlock_special.part.39+0x11f0/0x11f0
[  361.955505] 5*64kB 
[  361.959647]  ? kasan_check_read+0x11/0x20
[  361.961690] (UM) 
[  361.966703]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  361.972473] 4*128kB (UM) 
[  361.974715]  ? rcu_bh_qs+0xc0/0xc0
[  361.978837] 4*256kB 
[  361.980900]  ? do_raw_write_trylock+0x1c0/0x1c0
[  361.986152] (UM) 
[  361.988910]  __neigh_notify+0x8c/0x160
[  361.992432] 3*512kB 
[  361.994760]  ? __neigh_event_send+0x1390/0x1390
[  361.999406] (M) 
[  362.001465]  neigh_timer_handler+0x6cb/0xdf0
[  362.005335] 3*1024kB 
[  362.007661]  ? __neigh_for_each_release+0x520/0x520
[  362.012301] (UM) 
[  362.014279]  ? __lock_is_held+0xb5/0x140
[  362.018669] 3*2048kB 
[  362.021087]  call_timer_fn+0x272/0x920
[  362.026069] (M) 
[  362.028126]  ? __neigh_for_each_release+0x520/0x520
[  362.032159] 3*4096kB (M) 
[  362.034577]  ? process_timeout+0x40/0x40
[  362.038443] = 25056kB
[  362.040427]  ? find_held_lock+0x36/0x1c0
[  362.045420] Node 0 
[  362.048189]  ? __run_timers+0x7da/0xc70
[  362.052222] Normal: 
[  362.054629]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.058676] 798*4kB 
[  362.060911]  ? _raw_spin_unlock_irq+0x27/0x80
[  362.064861] (ME) 
[  362.067184]  ? __neigh_for_each_release+0x520/0x520
[  362.071697] 471*8kB 
[  362.074394]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  362.078870] (UME) 
[  362.080941]  ? trace_hardirqs_on+0xbd/0x310
[  362.085945] 208*16kB 
[  362.088267]  ? kasan_check_read+0x11/0x20
[  362.092823] (UME) 
[  362.094968]  ? __run_timers+0x7da/0xc70
[  362.099268] 76*32kB 
[  362.101683]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  362.105811] (UME) 
[  362.107982]  ? __neigh_for_each_release+0x520/0x520
[  362.111928] 4*64kB 
[  362.114245]  __run_timers+0x7e5/0xc70
[  362.119672] (M) 
[  362.121828]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  362.126809] 1*128kB (U) 
[  362.129068]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  362.132868] 1*256kB 
[  362.134842]  ? graph_lock+0x170/0x170
[  362.140187] (U) 
[  362.142875]  ? enqueue_hrtimer+0x1a5/0x560
[  362.147881] 1*512kB (U) 
[  362.150227]  ? lock_release+0x970/0x970
[  362.154023] 0*1024kB 
[  362.155999]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  362.160213] 0*2048kB 
[  362.162885]  ? find_held_lock+0x36/0x1c0
[  362.166838] 0*4096kB 
[  362.169287]  ? graph_lock+0x170/0x170
[  362.174456] = 13872kB
[  362.176865]  ? pvclock_read_flags+0x160/0x160
[  362.180914] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  362.183480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.187485] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  362.189886]  ? check_preemption_disabled+0x48/0x200
[  362.189913]  ? __lock_is_held+0xb5/0x140
[  362.189927]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.189941]  ? check_preemption_disabled+0x48/0x200
[  362.189964]  run_timer_softirq+0x52/0xb0
[  362.189981]  ? rcu_read_lock_sched_held+0x108/0x120
[  362.189996]  __do_softirq+0x30b/0xad8
[  362.190019]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  362.190039]  ? pvclock_read_flags+0x160/0x160
[  362.194796] 1299 total pagecache pages
[  362.203628]  ? lapic_next_event+0x5a/0x90
[  362.209163] 0 pages in swap cache
[  362.217744]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.222740] Swap cache stats: add 0, delete 0, find 0/0
[  362.222749] Free swap  = 0kB
[  362.226808]  ? check_preemption_disabled+0x48/0x200
[  362.232339] Total swap = 0kB
[  362.237367]  ? check_preemption_disabled+0x48/0x200
[  362.241417] 1965979 pages RAM
[  362.246442]  ? kvm_clock_read+0x18/0x30
[  362.250209] 0 pages HighMem/MovableOnly
[  362.250219] 342306 pages reserved
[  362.255330]  ? kvm_sched_clock_read+0x9/0x20
[  362.259801] 0 pages cma reserved
[  362.263690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.267950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  362.271291]  ? check_preemption_disabled+0x48/0x200
[  362.276891] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.282169]  irq_exit+0x17f/0x1c0
[  362.285161] syz-executor1 cpuset=
[  362.290174]  smp_apic_timer_interrupt+0x1cb/0x760
[  362.293166] /
[  362.298178]  ? smp_reschedule_interrupt+0x109/0x650
[  362.301266]  mems_allowed=0
[  362.305232]  ? smp_call_function_single_interrupt+0x650/0x650
[  362.375008]  ? interrupt_entry+0xb5/0xf0
[  362.379076]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.384092]  ? trace_hardirqs_off_caller+0xbb/0x310
[  362.389111]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.393959]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.398972]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.403988]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.409538]  ? check_preemption_disabled+0x48/0x200
[  362.414569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.420115]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.424966]  apic_timer_interrupt+0xf/0x20
[  362.429206]  </IRQ>
[  362.431447] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  362.436385] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  362.455285] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  362.463003] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  362.470269] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  362.477537] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  362.484803] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  362.492070] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  362.499398]  skb_clone+0x1bb/0x500
[  362.502943]  ? finish_task_switch+0x1b5/0x900
[  362.507460]  ? skb_split+0x11e0/0x11e0
[  362.511367]  ? preempt_notifier_register+0x200/0x200
[  362.516476]  ? __switch_to_asm+0x34/0x70
[  362.520542]  ? __switch_to_asm+0x34/0x70
[  362.524607]  ? __switch_to_asm+0x40/0x70
[  362.528677]  ? __switch_to_asm+0x34/0x70
[  362.532752]  ? __switch_to_asm+0x40/0x70
[  362.536821]  ? __switch_to_asm+0x34/0x70
[  362.540886]  ? __switch_to_asm+0x40/0x70
[  362.544959]  ? __switch_to_asm+0x34/0x70
[  362.549027]  ? __switch_to_asm+0x34/0x70
[  362.553089]  ? __switch_to_asm+0x40/0x70
[  362.557176]  ? __switch_to_asm+0x34/0x70
[  362.561246]  bpf_clone_redirect+0xb9/0x490
[  362.565483]  ? __schedule+0x874/0x1ed0
[  362.569384]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  362.574408]  ? __sched_text_start+0x8/0x8
[  362.578578]  ? lockdep_hardirqs_on+0x421/0x5c0
[  362.583163]  ? retint_kernel+0x2d/0x2d
[  362.587057]  ? trace_hardirqs_on_caller+0xc0/0x310
[  362.591998]  ? find_held_lock+0x36/0x1c0
[  362.596067]  ? lock_acquire+0x1ed/0x520
[  362.600068]  ? bpf_test_run+0x3cb/0x780
[  362.604059]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.609604]  ? check_preemption_disabled+0x48/0x200
[  362.614629]  ? kasan_check_read+0x11/0x20
[  362.618785]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  362.624086]  ? rcu_bh_qs+0xc0/0xc0
[  362.627640]  ? preempt_schedule+0x4d/0x60
[  362.631807]  ? ___preempt_schedule+0x16/0x18
[  362.636257]  ? bpf_test_run+0x25d/0x780
[  362.640252]  ? netlink_diag_dump+0x2a0/0x2a0
[  362.644662]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.650196]  ? bpf_test_init.isra.9+0x70/0x100
[  362.654784]  ? bpf_prog_test_run_skb+0x634/0xb40
[  362.659563]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  362.664404]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  362.669945]  ? fput+0x130/0x1a0
[  362.673226]  ? __bpf_prog_get+0x9b/0x290
[  362.677288]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  362.682137]  ? bpf_prog_test_run+0x130/0x1a0
[  362.686551]  ? __x64_sys_bpf+0x3d8/0x510
[  362.690617]  ? bpf_prog_get+0x20/0x20
[  362.694438]  ? do_syscall_64+0x1b9/0x820
[  362.698513]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  362.703883]  ? syscall_return_slowpath+0x5e0/0x5e0
[  362.708812]  ? trace_hardirqs_on_caller+0x310/0x310
[  362.713827]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  362.718846]  ? recalc_sigpending_tsk+0x180/0x180
[  362.723611]  ? kasan_check_write+0x14/0x20
[  362.727851]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  362.732706]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  362.738105] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  362.738268] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  362.745398] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  362.755869] syz-executor4 cpuset=
[  362.765206] Call Trace:
[  362.765216] syz4
[  362.768653]  <IRQ>
[  362.771224]  mems_allowed=0
[  362.773196]  dump_stack+0x1c4/0x2b4
[  362.781868]  ? dump_stack_print_info.cold.2+0x52/0x52
[  362.787072]  warn_alloc.cold.119+0xb7/0x1bd
[  362.791394]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  362.796241]  ? lock_downgrade+0x900/0x900
[  362.800398]  ? trace_hardirqs_off+0xb8/0x310
[  362.804810]  ? trace_hardirqs_off+0xb8/0x310
[  362.809233]  __alloc_pages_slowpath+0x2667/0x2d80
[  362.814108]  ? warn_alloc+0x120/0x120
[  362.817919]  ? warn_alloc+0x120/0x120
[  362.821740]  ? print_usage_bug+0xc0/0xc0
[  362.825802]  ? warn_alloc+0x120/0x120
[  362.829604]  ? print_usage_bug+0xc0/0xc0
[  362.833674]  ? __lock_acquire+0x7ec/0x4ec0
[  362.837923]  ? __lock_acquire+0x7ec/0x4ec0
[  362.842165]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  362.847704]  ? should_fail+0x22d/0xd01
[  362.851594]  ? __lock_acquire+0x7ec/0x4ec0
[  362.855848]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.860958]  ? __lock_acquire+0x7ec/0x4ec0
[  362.865203]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  362.870307]  ? __lock_acquire+0x7ec/0x4ec0
[  362.874557]  ? should_fail+0x22d/0xd01
[  362.878456]  ? mark_held_locks+0x130/0x130
[  362.882700]  ? mark_held_locks+0x130/0x130
[  362.886943]  ? graph_lock+0x170/0x170
[  362.890748]  ? print_usage_bug+0xc0/0xc0
[  362.894850]  ? wq_watchdog_touch+0x9c/0xfe
[  362.899115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.904655]  ? check_preemption_disabled+0x48/0x200
[  362.909670]  ? check_preemption_disabled+0x48/0x200
[  362.914716]  ? __lock_is_held+0xb5/0x140
[  362.918815]  __alloc_pages_nodemask+0xa80/0xde0
[  362.923492]  ? graph_lock+0x170/0x170
[  362.927325]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  362.932351]  ? graph_lock+0x170/0x170
[  362.936165]  ? find_held_lock+0x36/0x1c0
[  362.940243]  ? ____cache_alloc_node+0x1c7/0x1e0
[  362.944916]  ? lock_downgrade+0x900/0x900
[  362.949072]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  362.954620]  cache_grow_begin+0x91/0x8c0
[  362.958692]  ? do_raw_spin_unlock+0xa7/0x2f0
[  362.963124]  fallback_alloc+0x203/0x2e0
[  362.967106]  ____cache_alloc_node+0x1c7/0x1e0
[  362.971610]  kmem_cache_alloc_node+0xe3/0x730
[  362.976111]  ? ipv6_get_ifaddr+0x42e/0x620
[  362.980360]  __alloc_skb+0x119/0x770
[  362.984080]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  362.989365]  ? skb_scrub_packet+0x490/0x490
[  362.993693]  ? lock_downgrade+0x900/0x900
[  362.997860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.003654]  ? refcount_sub_and_test_checked+0x203/0x310
[  363.009558]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  363.015326]  ? addrconf_rs_timer+0x690/0x690
[  363.020323]  ndisc_alloc_skb+0x144/0x340
[  363.024782]  ndisc_send_rs+0x331/0x6e0
[  363.029209]  addrconf_rs_timer+0x314/0x690
[  363.034026]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.038802]  call_timer_fn+0x272/0x920
[  363.043197]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.047682]  ? process_timeout+0x40/0x40
[  363.051856]  ? find_held_lock+0x36/0x1c0
[  363.055930]  ? mark_held_locks+0xc7/0x130
[  363.060085]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.064723]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.069214]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.073451]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  363.078051]  ? trace_hardirqs_on+0xbd/0x310
[  363.082391]  ? kasan_check_read+0x11/0x20
[  363.086542]  ? __run_timers+0x7da/0xc70
[  363.090533]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.095998]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  363.100338]  __run_timers+0x7e5/0xc70
[  363.104159]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  363.109638]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.114801]  ? graph_lock+0x170/0x170
[  363.118635]  ? print_usage_bug+0xc0/0xc0
[  363.122723]  ? lock_release+0x970/0x970
[  363.126702]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  363.132200]  ? find_held_lock+0x36/0x1c0
[  363.136269]  ? graph_lock+0x170/0x170
[  363.140077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.145621]  ? check_preemption_disabled+0x48/0x200
[  363.150649]  ? __lock_is_held+0xb5/0x140
[  363.154715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.160249]  ? check_preemption_disabled+0x48/0x200
[  363.165270]  run_timer_softirq+0x52/0xb0
[  363.169340]  ? rcu_read_lock_sched_held+0x108/0x120
[  363.174364]  __do_softirq+0x30b/0xad8
[  363.178174]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  363.183284]  ? pvclock_read_flags+0x160/0x160
[  363.187797]  ? lapic_next_event+0x5a/0x90
[  363.191947]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.197497]  ? check_preemption_disabled+0x48/0x200
[  363.202527]  ? check_preemption_disabled+0x48/0x200
[  363.207552]  ? kvm_clock_read+0x18/0x30
[  363.211529]  ? kvm_sched_clock_read+0x9/0x20
[  363.215945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.221488]  ? check_preemption_disabled+0x48/0x200
[  363.226522]  irq_exit+0x17f/0x1c0
[  363.229982]  smp_apic_timer_interrupt+0x1cb/0x760
[  363.234827]  ? smp_call_function_single_interrupt+0x650/0x650
[  363.240754]  ? interrupt_entry+0xb5/0xf0
[  363.244821]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.249857]  ? trace_hardirqs_off_caller+0xbb/0x310
[  363.254881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.259727]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.264752]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.269776]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.275323]  ? check_preemption_disabled+0x48/0x200
[  363.280348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.285895]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.290750]  apic_timer_interrupt+0xf/0x20
[  363.295003]  </IRQ>
[  363.297239] RIP: 0010:lock_acquire+0x268/0x520
[  363.301831] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  363.320739] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  363.328461] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  363.335727] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  363.343007] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  363.350277] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  363.357546] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  363.364862]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.370407]  ? lock_release+0x970/0x970
[  363.374390]  ? activate_page+0x1040/0x1040
[  363.378634]  ? __unlock_page_memcg+0x53/0x100
[  363.383140]  ? check_preemption_disabled+0x48/0x200
[  363.388170]  lock_page_memcg+0x95/0x350
[  363.392141]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  363.397350]  ? rcu_bh_qs+0xc0/0xc0
[  363.400907]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  363.406108]  page_remove_rmap+0x855/0x1a30
[  363.410359]  ? page_add_file_rmap+0x1470/0x1470
[  363.415037]  ? __lock_is_held+0xb5/0x140
[  363.419116]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.424660]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.430237]  ? lru_add_drain_cpu+0x1c0/0x500
[  363.434662]  ? free_pages_and_swap_cache+0x475/0x6f0
[  363.439804]  ? free_page_and_swap_cache+0x950/0x950
[  363.444848]  ? kasan_check_read+0x11/0x20
[  363.448996]  ? page_mapcount+0x3b5/0x5d0
[  363.453060]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  363.457906]  ? lock_downgrade+0x900/0x900
[  363.462080]  ? lock_release+0x970/0x970
[  363.466058]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  363.471082]  ? _vm_normal_page+0x161/0x3c0
[  363.475342]  ? __pte_alloc_kernel+0x220/0x220
[  363.479860]  ? kasan_check_write+0x14/0x20
[  363.484096]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  363.489113]  ? __tlb_remove_page_size+0x187/0x500
[  363.493961]  unmap_page_range+0xf14/0x2030
[  363.498223]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  363.502729]  ? search_extable+0x80/0xb0
[  363.506710]  ? trim_init_extable+0x3a0/0x3a0
[  363.511122]  ? __get_user_8+0x21/0x2b
[  363.514927]  ? print_usage_bug+0xc0/0xc0
[  363.518995]  ? __lock_acquire+0x7ec/0x4ec0
[  363.523234]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  363.528772]  ? no_context+0xd9/0x980
[  363.532484]  ? lock_downgrade+0x900/0x900
[  363.536632]  ? graph_lock+0x170/0x170
[  363.540442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.545980]  ? tlb_flush_mmu_free+0x135/0x1b0
[  363.550485]  ? find_held_lock+0x36/0x1c0
[  363.554554]  ? exit_mmap+0x4bb/0x590
[  363.558269]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  363.563833]  ? uprobe_munmap+0x14c/0x450
[  363.567915]  ? uprobe_mmap+0xd50/0xd50
[  363.571803]  ? lock_release+0x970/0x970
[  363.575777]  ? arch_local_save_flags+0x40/0x40
[  363.580368]  ? rwsem_down_write_failed+0xe/0x10
[  363.585042]  ? rwsem_down_write_failed+0xe/0x10
[  363.589714]  ? call_rwsem_down_write_failed+0x17/0x30
[  363.594923]  unmap_single_vma+0x19b/0x310
[  363.599083]  unmap_vmas+0x125/0x200
[  363.602717]  exit_mmap+0x2be/0x590
[  363.606273]  ? __ia32_sys_munmap+0x80/0x80
[  363.610528]  ? __might_sleep+0x95/0x190
[  363.614507]  mmput+0x247/0x610
[  363.617706]  ? lock_downgrade+0x900/0x900
[  363.621881]  ? set_mm_exe_file+0x200/0x200
[  363.626128]  ? kasan_check_read+0x11/0x20
[  363.630281]  ? do_raw_spin_unlock+0xa7/0x2f0
[  363.634703]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  363.639289]  ? kasan_check_write+0x14/0x20
[  363.643533]  ? do_raw_spin_lock+0xc1/0x200
[  363.647783]  do_exit+0xe6f/0x2610
[  363.651242]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  363.656273]  ? mm_update_next_owner+0x990/0x990
[  363.660942]  ? print_usage_bug+0xc0/0xc0
[  363.665005]  ? graph_lock+0x170/0x170
[  363.668811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.674356]  ? check_preemption_disabled+0x48/0x200
[  363.679379]  ? check_preemption_disabled+0x48/0x200
[  363.684401]  ? print_usage_bug+0xc0/0xc0
[  363.688473]  ? __lock_acquire+0x7ec/0x4ec0
[  363.692720]  ? __lock_acquire+0x7ec/0x4ec0
[  363.696978]  ? mark_held_locks+0x130/0x130
[  363.701240]  ? mark_held_locks+0x130/0x130
[  363.705479]  ? kasan_check_write+0x14/0x20
[  363.709716]  ? finish_task_switch+0x2f5/0x900
[  363.714217]  ? __switch_to_asm+0x40/0x70
[  363.718324]  ? __switch_to_asm+0x34/0x70
[  363.722388]  ? __switch_to_asm+0x34/0x70
[  363.726450]  ? __switch_to_asm+0x40/0x70
[  363.730539]  ? __switch_to_asm+0x34/0x70
[  363.734602]  ? __switch_to_asm+0x40/0x70
[  363.738666]  ? __switch_to_asm+0x34/0x70
[  363.742729]  ? __switch_to_asm+0x34/0x70
[  363.746792]  ? __switch_to_asm+0x34/0x70
[  363.750870]  ? __switch_to_asm+0x34/0x70
[  363.754930]  ? __switch_to_asm+0x40/0x70
[  363.758987]  ? __switch_to_asm+0x34/0x70
[  363.763044]  ? __switch_to_asm+0x40/0x70
[  363.767110]  ? graph_lock+0x170/0x170
[  363.770904]  ? graph_lock+0x170/0x170
[  363.774710]  ? graph_lock+0x170/0x170
[  363.778516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  363.784052]  ? wait_consider_task+0x245/0x3bb0
[  363.788641]  ? memset+0x31/0x40
[  363.791930]  ? find_held_lock+0x36/0x1c0
[  363.796000]  ? get_signal+0x95b/0x1980
[  363.799893]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.804390]  ? _raw_spin_unlock_irq+0x27/0x80
[  363.808897]  do_group_exit+0x177/0x440
[  363.812793]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  363.818260]  ? __ia32_sys_exit+0x50/0x50
[  363.822353]  get_signal+0x8b0/0x1980
[  363.826082]  ? ptrace_notify+0x130/0x130
[  363.830146]  ? do_wait+0x57d/0xb90
[  363.833935]  ? wait_consider_task+0x3bb0/0x3bb0
[  363.838602]  ? graph_lock+0x170/0x170
[  363.842406]  ? graph_lock+0x170/0x170
[  363.846212]  ? graph_lock+0x170/0x170
[  363.850033]  do_signal+0x9c/0x21e0
[  363.853575]  ? find_held_lock+0x36/0x1c0
[  363.857649]  ? setup_sigcontext+0x7d0/0x7d0
[  363.861975]  ? kernel_wait4+0x2e0/0x3f0
[  363.865952]  ? __ia32_sys_waitid+0x140/0x140
[  363.870381]  ? task_stopped_code+0x190/0x190
[  363.874794]  ? exit_to_usermode_loop+0x8c/0x380
[  363.879496]  ? __do_page_fault+0x4a6/0xed0
[  363.883736]  ? do_syscall_64+0x9a/0x820
[  363.887721]  ? do_syscall_64+0x9a/0x820
[  363.891708]  exit_to_usermode_loop+0x2e5/0x380
[  363.896295]  ? syscall_slow_exit_work+0x520/0x520
[  363.901163]  do_syscall_64+0x6be/0x820
[  363.905056]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  363.910425]  ? syscall_return_slowpath+0x5e0/0x5e0
[  363.915366]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.920210]  ? trace_hardirqs_on_caller+0x310/0x310
[  363.925231]  ? prepare_exit_to_usermode+0x291/0x3b0
[  363.930255]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  363.935105]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  363.940294] RIP: 0033:0x41124a
[  363.943498] Code: Bad RIP value.
[  363.946883] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  363.954593] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  363.961863] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  363.969136] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  363.976421] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  363.983717] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  363.991018] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  363.991025] warn_alloc_show_mem: 1 callbacks suppressed
[  363.991032] Mem-Info:
[  363.998309] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  363.998328] Call Trace:
[  364.003708] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  364.003708]  active_file:8 inactive_file:19 isolated_file:0
[  364.003708]  unevictable:0 dirty:0 writeback:0 unstable:0
[  364.003708]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  364.003708]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  364.003708]  free:13709 free_pcp:257 free_cma:0
[  364.006083]  <IRQ>
[  364.015442] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  364.018033]  dump_stack+0x1c4/0x2b4
[  364.050984] Node 0 
[  364.053155]  ? dump_stack_print_info.cold.2+0x52/0x52
[  364.081361] 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
[  364.085008]  warn_alloc.cold.119+0xb7/0x1bd
[  364.085024]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  364.085041]  ? lock_downgrade+0x900/0x900
[  364.085062]  ? trace_hardirqs_off+0xb8/0x310
[  364.085392]  ? trace_hardirqs_off+0xb8/0x310
[  364.085416]  __alloc_pages_slowpath+0x2667/0x2d80
[  364.087738] lowmem_reserve[]:
[  364.092964]  ? warn_alloc+0x120/0x120
[  364.118425]  0
[  364.122753]  ? warn_alloc+0x120/0x120
[  364.127582]  2819
[  364.131729]  ? print_usage_bug+0xc0/0xc0
[  364.136141]  6323
[  364.140544]  ? warn_alloc+0x120/0x120
[  364.145367]  6323
[  364.148466]  ? lock_release+0x970/0x970
[  364.152241] Node 0 
[  364.154040]  ? print_usage_bug+0xc0/0xc0
[  364.157855] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  364.159888]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.163924] lowmem_reserve[]:
[  364.165989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  364.169756]  0 0
[  364.171849]  ? should_fail+0x22d/0xd01
[  364.175802]  3503
[  364.178048]  ? __lock_acquire+0x7ec/0x4ec0
[  364.182613]  3503
[  364.209354]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.214514] Node 0 
[  364.217618]  ? __lock_acquire+0x7ec/0x4ec0
[  364.223157] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  364.225106]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  364.228980] lowmem_reserve[]:
[  364.231038]  ? __lock_acquire+0x7ec/0x4ec0
[  364.235250]  0
[  364.237307]  ? should_fail+0x22d/0xd01
[  364.242393]  0
[  364.244633]  ? mark_held_locks+0x130/0x130
[  364.248846]  0
[  364.277219]  ? mark_held_locks+0x130/0x130
[  364.282301]  0
[  364.285419]  ? graph_lock+0x170/0x170
[  364.291430]  ? print_usage_bug+0xc0/0xc0
[  364.295310] Node 0 
[  364.297149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.301358] DMA: 
[  364.303158]  ? check_preemption_disabled+0x48/0x200
[  364.307364] 1*4kB 
[  364.309191]  ? check_preemption_disabled+0x48/0x200
[  364.312975] (U) 
[  364.317037]  ? __lock_is_held+0xb5/0x140
[  364.319246] 0*8kB 
[  364.324797]  __alloc_pages_nodemask+0xa80/0xde0
[  364.326834] 0*16kB 
[  364.331841]  ? graph_lock+0x170/0x170
[  364.333977] 1*32kB 
[  364.338991]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  364.340945] (U) 
[  364.344995]  ? graph_lock+0x170/0x170
[  364.345032]  ? find_held_lock+0x36/0x1c0
[  364.347160] 2*64kB (U) 
[  364.351842]  ? ____cache_alloc_node+0x1c7/0x1e0
[  364.354058] 1*128kB 
[  364.357866]  ? lock_downgrade+0x900/0x900
[  364.360083] (U) 
[  364.365100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.367050] 1*256kB 
[  364.370851]  cache_grow_begin+0x91/0x8c0
[  364.374893] (U) 
[  364.377490]  ? do_raw_spin_unlock+0xa7/0x2f0
[  364.382136] 0*512kB 
[  364.384458]  fallback_alloc+0x203/0x2e0
[  364.388582] 1*1024kB 
[  364.390557]  ____cache_alloc_node+0x1c7/0x1e0
[  364.396081] (U) 
[  364.398406]  kmem_cache_alloc_node+0xe3/0x730
[  364.402443] 1*2048kB 
[  364.404421]  ? ipv6_get_ifaddr+0x42e/0x620
[  364.408812] (M) 
[  364.411138]  __alloc_skb+0x119/0x770
[  364.415085] 3*4096kB 
[  364.417496]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  364.421961] (M) 
[  364.423935]  ? skb_scrub_packet+0x490/0x490
[  364.428410] = 15908kB
[  364.430816]  ? lock_downgrade+0x900/0x900
[  364.435030] Node 0 
[  364.437008]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.440693] DMA32: 
[  364.443096]  ? refcount_sub_and_test_checked+0x203/0x310
[  364.443113]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  364.443126]  ? addrconf_rs_timer+0x690/0x690
[  364.443151]  ndisc_alloc_skb+0x144/0x340
[  364.443168]  ndisc_send_rs+0x331/0x6e0
[  364.443305]  addrconf_rs_timer+0x314/0x690
[  364.448586] 4*4kB 
[  364.450557]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.454862] (UM) 
[  364.457279]  call_timer_fn+0x272/0x920
[  364.461398] 2*8kB 
[  364.463646]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.469155] (UM) 2*16kB 
[  364.471402]  ? process_timeout+0x40/0x40
[  364.476847] (M) 
[  364.482285]  ? find_held_lock+0x36/0x1c0
[  364.486672] 3*32kB 
[  364.490743]  ? __run_timers+0x7da/0xc70
[  364.494599] (UM) 
[  364.498845]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.500972] 5*64kB 
[  364.505207]  ? _raw_spin_unlock_irq+0x27/0x80
[  364.507241] (UM) 4*128kB 
[  364.511159]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.513286] (UM) 
[  364.517515]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  364.520164] 4*256kB 
[  364.524218]  ? trace_hardirqs_on+0xbd/0x310
[  364.526174] (UM) 3*512kB 
[  364.530241]  ? kasan_check_read+0x11/0x20
[  364.530259]  ? __run_timers+0x7da/0xc70
[  364.532479] (M) 
[  364.536464]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  364.538509] 3*1024kB 
[  364.543013]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  364.545217] (UM) 
[  364.549706]  __run_timers+0x7e5/0xc70
[  364.552440] 3*2048kB 
[  364.556678]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  364.558706] (M) 
[  364.563283]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  364.565586] 3*4096kB 
[  364.569913]  ? graph_lock+0x170/0x170
[  364.572645] (M) 
[  364.576784]  ? enqueue_hrtimer+0x1a5/0x560
[  364.580742] = 25056kB
[  364.582726]  ? lock_release+0x970/0x970
[  364.588155] Node 0 
[  364.590564]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  364.594772] Normal: 
[  364.596828]  ? find_held_lock+0x36/0x1c0
[  364.600603] 798*4kB 
[  364.603013]  ? graph_lock+0x170/0x170
[  364.608369] (ME) 
[  364.610358]  ? pvclock_read_flags+0x160/0x160
[  364.615354] 471*8kB 
[  364.617765]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.621538] (UME) 
[  364.623528]  ? check_preemption_disabled+0x48/0x200
[  364.627735] 208*16kB 
[  364.630151]  ? __lock_is_held+0xb5/0x140
[  364.634097] (UME) 
[  364.636335]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.641500] 76*32kB 
[  364.643835]  ? check_preemption_disabled+0x48/0x200
[  364.647879] (UME) 
[  364.650207]  run_timer_softirq+0x52/0xb0
[  364.653982] 4*64kB 
[  364.656041]  ? rcu_read_lock_sched_held+0x108/0x120
[  364.660509] (M) 
[  364.662832]  __do_softirq+0x30b/0xad8
[  364.668353] 1*128kB 
[  364.670504]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  364.675491] (U) 
[  364.677903]  ? pvclock_read_flags+0x160/0x160
[  364.681936] 1*256kB (U) 
[  364.684095]  ? lapic_next_event+0x5a/0x90
[  364.689625] 1*512kB 
[  364.691945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.696946] (U) 
[  364.699113]  ? check_preemption_disabled+0x48/0x200
[  364.703149] 0*1024kB 
[  364.705385]  ? check_preemption_disabled+0x48/0x200
[  364.710387] 0*2048kB 0*4096kB 
[  364.712380]  ? kvm_clock_read+0x18/0x30
[  364.716158] = 13872kB
[  364.718478]  ? kvm_sched_clock_read+0x9/0x20
[  364.723567] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  364.725533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.730012] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  364.732675]  ? check_preemption_disabled+0x48/0x200
[  364.736799] 1299 total pagecache pages
[  364.739138]  irq_exit+0x17f/0x1c0
[  364.744645] 0 pages in swap cache
[  364.746610]  smp_apic_timer_interrupt+0x1cb/0x760
[  364.751612] Swap cache stats: add 0, delete 0, find 0/0
[  364.754010]  ? smp_reschedule_interrupt+0x109/0x650
[  364.759002] Free swap  = 0kB
[  364.762190]  ? smp_call_function_single_interrupt+0x650/0x650
[  364.766139] Total swap = 0kB
[  364.768550]  ? interrupt_entry+0xb5/0xf0
[  364.772949] 1965979 pages RAM
[  364.781780]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.787298] 0 pages HighMem/MovableOnly
[  364.787308] 342306 pages reserved
[  364.795895]  ? trace_hardirqs_off_caller+0xbb/0x310
[  364.800887] 0 pages cma reserved
[  364.804772]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.808306] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  364.811650]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.816532] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  364.821831]  ? trace_hardirqs_on_caller+0x310/0x310
[  364.826827] syz-executor1 cpuset=
[  364.829843]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.836222] /
[  364.839255]  ? check_preemption_disabled+0x48/0x200
[  364.843297]  mems_allowed=0
[  364.846403]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  364.923023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  364.927875]  apic_timer_interrupt+0xf/0x20
[  364.932102]  </IRQ>
[  364.934356] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  364.939288] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  364.958208] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  364.965915] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  364.973181] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  364.980449] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  364.987725] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  364.994994] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  365.002307]  skb_clone+0x1bb/0x500
[  365.005891]  ? finish_task_switch+0x1b5/0x900
[  365.010401]  ? skb_split+0x11e0/0x11e0
[  365.014293]  ? preempt_notifier_register+0x200/0x200
[  365.019426]  ? __switch_to_asm+0x34/0x70
[  365.023488]  ? __switch_to_asm+0x34/0x70
[  365.027574]  ? __switch_to_asm+0x40/0x70
[  365.031634]  ? __switch_to_asm+0x34/0x70
[  365.035694]  ? __switch_to_asm+0x40/0x70
[  365.039759]  ? __switch_to_asm+0x34/0x70
[  365.043822]  ? __switch_to_asm+0x40/0x70
[  365.047882]  ? __switch_to_asm+0x34/0x70
[  365.051947]  ? __switch_to_asm+0x34/0x70
[  365.056010]  ? __switch_to_asm+0x40/0x70
[  365.060086]  ? __switch_to_asm+0x34/0x70
[  365.064156]  bpf_clone_redirect+0xb9/0x490
[  365.068420]  ? __schedule+0x874/0x1ed0
[  365.072312]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  365.077355]  ? __sched_text_start+0x8/0x8
[  365.081512]  ? lockdep_hardirqs_on+0x421/0x5c0
[  365.086098]  ? retint_kernel+0x2d/0x2d
[  365.089991]  ? trace_hardirqs_on_caller+0xc0/0x310
[  365.094928]  ? find_held_lock+0x36/0x1c0
[  365.098997]  ? lock_acquire+0x1ed/0x520
[  365.102970]  ? bpf_test_run+0x3cb/0x780
[  365.106952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.112496]  ? check_preemption_disabled+0x48/0x200
[  365.117531]  ? kasan_check_read+0x11/0x20
[  365.121688]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  365.126966]  ? rcu_bh_qs+0xc0/0xc0
[  365.130506]  ? preempt_schedule+0x4d/0x60
[  365.134654]  ? ___preempt_schedule+0x16/0x18
[  365.139073]  ? bpf_test_run+0x25d/0x780
[  365.143058]  ? netlink_diag_dump+0x2a0/0x2a0
[  365.147473]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.153013]  ? bpf_test_init.isra.9+0x70/0x100
[  365.157603]  ? bpf_prog_test_run_skb+0x634/0xb40
[  365.162368]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  365.167210]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.172757]  ? fput+0x130/0x1a0
[  365.176036]  ? __bpf_prog_get+0x9b/0x290
[  365.180102]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  365.184940]  ? bpf_prog_test_run+0x130/0x1a0
[  365.189367]  ? __x64_sys_bpf+0x3d8/0x510
[  365.193433]  ? bpf_prog_get+0x20/0x20
[  365.197259]  ? do_syscall_64+0x1b9/0x820
[  365.201330]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  365.206702]  ? syscall_return_slowpath+0x5e0/0x5e0
[  365.211636]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.216654]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  365.221675]  ? recalc_sigpending_tsk+0x180/0x180
[  365.226435]  ? kasan_check_write+0x14/0x20
[  365.230678]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.235543]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  365.240931] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  365.241018] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  365.248209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  365.248215] Call Trace:
[  365.248222]  <IRQ>
[  365.248241]  dump_stack+0x1c4/0x2b4
[  365.248259]  ? dump_stack_print_info.cold.2+0x52/0x52
[  365.248287]  warn_alloc.cold.119+0xb7/0x1bd
[  365.254815] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  365.264112]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  365.266672] syz-executor4 cpuset=
[  365.268821]  ? lock_downgrade+0x900/0x900
[  365.272425] syz4
[  365.277630]  ? trace_hardirqs_off+0xb8/0x310
[  365.281931]  mems_allowed=0
[  365.292409]  ? trace_hardirqs_off+0xb8/0x310
[  365.318490]  __alloc_pages_slowpath+0x2667/0x2d80
[  365.323369]  ? warn_alloc+0x120/0x120
[  365.327176]  ? warn_alloc+0x120/0x120
[  365.330979]  ? print_usage_bug+0xc0/0xc0
[  365.335039]  ? warn_alloc+0x120/0x120
[  365.338841]  ? print_usage_bug+0xc0/0xc0
[  365.342915]  ? __lock_acquire+0x7ec/0x4ec0
[  365.347150]  ? __lock_acquire+0x7ec/0x4ec0
[  365.351390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.356925]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.362469]  ? should_fail+0x22d/0xd01
[  365.366363]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.371466]  ? __lock_acquire+0x7ec/0x4ec0
[  365.375713]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  365.380813]  ? __lock_acquire+0x7ec/0x4ec0
[  365.385052]  ? should_fail+0x22d/0xd01
[  365.388961]  ? mark_held_locks+0x130/0x130
[  365.393199]  ? mark_held_locks+0x130/0x130
[  365.397438]  ? graph_lock+0x170/0x170
[  365.401240]  ? print_usage_bug+0xc0/0xc0
[  365.405304]  ? graph_lock+0x170/0x170
[  365.409116]  ? print_usage_bug+0xc0/0xc0
[  365.413191]  ? wq_watchdog_touch+0x9c/0xfe
[  365.417442]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.422985]  ? check_preemption_disabled+0x48/0x200
[  365.428002]  ? check_preemption_disabled+0x48/0x200
[  365.433028]  ? __lock_is_held+0xb5/0x140
[  365.437099]  __alloc_pages_nodemask+0xa80/0xde0
[  365.441773]  ? graph_lock+0x170/0x170
[  365.445579]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  365.450596]  ? graph_lock+0x170/0x170
[  365.454409]  ? find_held_lock+0x36/0x1c0
[  365.458480]  ? ____cache_alloc_node+0x1c7/0x1e0
[  365.463171]  ? lock_downgrade+0x900/0x900
[  365.467336]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.472887]  cache_grow_begin+0x91/0x8c0
[  365.476951]  ? do_raw_spin_unlock+0xa7/0x2f0
[  365.481392]  fallback_alloc+0x203/0x2e0
[  365.485377]  ____cache_alloc_node+0x1c7/0x1e0
[  365.489899]  kmem_cache_alloc_node+0xe3/0x730
[  365.494409]  ? ipv6_get_ifaddr+0x42e/0x620
[  365.498660]  __alloc_skb+0x119/0x770
[  365.502383]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  365.507664]  ? skb_scrub_packet+0x490/0x490
[  365.512003]  ? lock_downgrade+0x900/0x900
[  365.516167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.521708]  ? refcount_sub_and_test_checked+0x203/0x310
[  365.527161]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  365.532611]  ? addrconf_rs_timer+0x690/0x690
[  365.537031]  ndisc_alloc_skb+0x144/0x340
[  365.541095]  ndisc_send_rs+0x331/0x6e0
[  365.544992]  addrconf_rs_timer+0x314/0x690
[  365.549232]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.553480]  call_timer_fn+0x272/0x920
[  365.557381]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.561637]  ? process_timeout+0x40/0x40
[  365.565703]  ? find_held_lock+0x36/0x1c0
[  365.569777]  ? mark_held_locks+0xc7/0x130
[  365.573934]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.578428]  ? _raw_spin_unlock_irq+0x27/0x80
[  365.582922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.587153]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  365.591736]  ? trace_hardirqs_on+0xbd/0x310
[  365.596061]  ? kasan_check_read+0x11/0x20
[  365.600205]  ? __run_timers+0x7da/0xc70
[  365.604178]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  365.609629]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.613869]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  365.618101]  __run_timers+0x7e5/0xc70
[  365.621917]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  365.627282]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.632307]  ? graph_lock+0x170/0x170
[  365.636119]  ? print_usage_bug+0xc0/0xc0
[  365.640175]  ? lock_release+0x970/0x970
[  365.644149]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  365.649349]  ? find_held_lock+0x36/0x1c0
[  365.653415]  ? graph_lock+0x170/0x170
[  365.657355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.662909]  ? check_preemption_disabled+0x48/0x200
[  365.668089]  ? __lock_is_held+0xb5/0x140
[  365.672158]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.677693]  ? check_preemption_disabled+0x48/0x200
[  365.682910]  run_timer_softirq+0x52/0xb0
[  365.686976]  ? rcu_read_lock_sched_held+0x108/0x120
[  365.691992]  __do_softirq+0x30b/0xad8
[  365.695800]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  365.700907]  ? pvclock_read_flags+0x160/0x160
[  365.705398]  ? lapic_next_event+0x5a/0x90
[  365.709539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.715091]  ? check_preemption_disabled+0x48/0x200
[  365.720119]  ? check_preemption_disabled+0x48/0x200
[  365.725140]  ? kvm_clock_read+0x18/0x30
[  365.729110]  ? kvm_sched_clock_read+0x9/0x20
[  365.733654]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.739389]  ? check_preemption_disabled+0x48/0x200
[  365.744585]  irq_exit+0x17f/0x1c0
[  365.748036]  smp_apic_timer_interrupt+0x1cb/0x760
[  365.752882]  ? smp_call_function_single_interrupt+0x650/0x650
[  365.758780]  ? interrupt_entry+0xb5/0xf0
[  365.762838]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.767863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  365.772881]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.777722]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.782747]  ? trace_hardirqs_on_caller+0x310/0x310
[  365.787760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.793297]  ? check_preemption_disabled+0x48/0x200
[  365.798325]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.803899]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  365.808752]  apic_timer_interrupt+0xf/0x20
[  365.812993]  </IRQ>
[  365.815278] RIP: 0010:lock_acquire+0x268/0x520
[  365.819879] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  365.838795] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  365.846505] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  365.853771] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  365.861038] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  365.868308] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  365.875584] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  365.882881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  365.888427]  ? lock_release+0x970/0x970
[  365.892406]  ? activate_page+0x1040/0x1040
[  365.896661]  ? __unlock_page_memcg+0x53/0x100
[  365.901163]  ? check_preemption_disabled+0x48/0x200
[  365.906190]  lock_page_memcg+0x95/0x350
[  365.910164]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  365.915364]  ? rcu_bh_qs+0xc0/0xc0
[  365.918909]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  365.924124]  page_remove_rmap+0x855/0x1a30
[  365.928371]  ? page_add_file_rmap+0x1470/0x1470
[  365.933038]  ? __lock_is_held+0xb5/0x140
[  365.937112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  365.942817]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  365.948508]  ? lru_add_drain_cpu+0x1c0/0x500
[  365.952931]  ? free_pages_and_swap_cache+0x475/0x6f0
[  365.958043]  ? free_page_and_swap_cache+0x950/0x950
[  365.963092]  ? kasan_check_read+0x11/0x20
[  365.967238]  ? page_mapcount+0x3b5/0x5d0
[  365.971298]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  365.976153]  ? lock_downgrade+0x900/0x900
[  365.980306]  ? lock_release+0x970/0x970
[  365.984293]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  365.989325]  ? _vm_normal_page+0x161/0x3c0
[  365.993563]  ? __pte_alloc_kernel+0x220/0x220
[  365.998059]  ? kasan_check_write+0x14/0x20
[  366.002293]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  366.007337]  ? __tlb_remove_page_size+0x187/0x500
[  366.012200]  unmap_page_range+0xf14/0x2030
[  366.016472]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  366.020974]  ? search_extable+0x80/0xb0
[  366.024948]  ? trim_init_extable+0x3a0/0x3a0
[  366.029414]  ? __get_user_8+0x21/0x2b
[  366.033221]  ? print_usage_bug+0xc0/0xc0
[  366.037289]  ? __lock_acquire+0x7ec/0x4ec0
[  366.041987]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  366.047876]  ? no_context+0xd9/0x980
[  366.052014]  ? lock_downgrade+0x900/0x900
[  366.056500]  ? graph_lock+0x170/0x170
[  366.060766]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.066440]  ? tlb_flush_mmu_free+0x135/0x1b0
[  366.071299]  ? find_held_lock+0x36/0x1c0
[  366.076158]  ? exit_mmap+0x4bb/0x590
[  366.079884]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.085416]  ? uprobe_munmap+0x14c/0x450
[  366.089483]  ? uprobe_mmap+0xd50/0xd50
[  366.093390]  ? lock_release+0x970/0x970
[  366.097365]  ? arch_local_save_flags+0x40/0x40
[  366.101949]  ? rwsem_down_write_failed+0xe/0x10
[  366.106616]  ? rwsem_down_write_failed+0xe/0x10
[  366.111281]  ? call_rwsem_down_write_failed+0x17/0x30
[  366.116473]  unmap_single_vma+0x19b/0x310
[  366.120630]  unmap_vmas+0x125/0x200
[  366.124265]  exit_mmap+0x2be/0x590
[  366.127807]  ? __ia32_sys_munmap+0x80/0x80
[  366.132282]  ? __might_sleep+0x95/0x190
[  366.136911]  mmput+0x247/0x610
[  366.140107]  ? lock_downgrade+0x900/0x900
[  366.144622]  ? set_mm_exe_file+0x200/0x200
[  366.149075]  ? kasan_check_read+0x11/0x20
[  366.153227]  ? do_raw_spin_unlock+0xa7/0x2f0
[  366.157636]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  366.162240]  ? kasan_check_write+0x14/0x20
[  366.166489]  ? do_raw_spin_lock+0xc1/0x200
[  366.170765]  do_exit+0xe6f/0x2610
[  366.174221]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  366.179276]  ? mm_update_next_owner+0x990/0x990
[  366.184296]  ? print_usage_bug+0xc0/0xc0
[  366.188379]  ? graph_lock+0x170/0x170
[  366.192200]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.197741]  ? check_preemption_disabled+0x48/0x200
[  366.202757]  ? check_preemption_disabled+0x48/0x200
[  366.207799]  ? print_usage_bug+0xc0/0xc0
[  366.211871]  ? __lock_acquire+0x7ec/0x4ec0
[  366.216114]  ? __lock_acquire+0x7ec/0x4ec0
[  366.220372]  ? mark_held_locks+0x130/0x130
[  366.224622]  ? mark_held_locks+0x130/0x130
[  366.228862]  ? kasan_check_write+0x14/0x20
[  366.233099]  ? finish_task_switch+0x2f5/0x900
[  366.237599]  ? __switch_to_asm+0x40/0x70
[  366.241669]  ? __switch_to_asm+0x34/0x70
[  366.245734]  ? __switch_to_asm+0x34/0x70
[  366.249793]  ? __switch_to_asm+0x40/0x70
[  366.253859]  ? __switch_to_asm+0x34/0x70
[  366.257935]  ? __switch_to_asm+0x40/0x70
[  366.261999]  ? __switch_to_asm+0x34/0x70
[  366.266061]  ? __switch_to_asm+0x34/0x70
[  366.270123]  ? __switch_to_asm+0x34/0x70
[  366.274188]  ? __switch_to_asm+0x34/0x70
[  366.278251]  ? __switch_to_asm+0x40/0x70
[  366.282312]  ? __switch_to_asm+0x34/0x70
[  366.286385]  ? __switch_to_asm+0x40/0x70
[  366.290448]  ? graph_lock+0x170/0x170
[  366.294248]  ? graph_lock+0x170/0x170
[  366.298054]  ? graph_lock+0x170/0x170
[  366.301861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.307525]  ? wait_consider_task+0x245/0x3bb0
[  366.312118]  ? memset+0x31/0x40
[  366.315412]  ? find_held_lock+0x36/0x1c0
[  366.319611]  ? get_signal+0x95b/0x1980
[  366.323702]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.328200]  ? _raw_spin_unlock_irq+0x27/0x80
[  366.332707]  do_group_exit+0x177/0x440
[  366.336599]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  366.342203]  ? __ia32_sys_exit+0x50/0x50
[  366.346279]  get_signal+0x8b0/0x1980
[  366.350003]  ? ptrace_notify+0x130/0x130
[  366.354080]  ? do_wait+0x57d/0xb90
[  366.357638]  ? wait_consider_task+0x3bb0/0x3bb0
[  366.362304]  ? graph_lock+0x170/0x170
[  366.366119]  ? graph_lock+0x170/0x170
[  366.369920]  ? graph_lock+0x170/0x170
[  366.373755]  do_signal+0x9c/0x21e0
[  366.377306]  ? find_held_lock+0x36/0x1c0
[  366.381387]  ? setup_sigcontext+0x7d0/0x7d0
[  366.385704]  ? kernel_wait4+0x2e0/0x3f0
[  366.389684]  ? __ia32_sys_waitid+0x140/0x140
[  366.394095]  ? task_stopped_code+0x190/0x190
[  366.398507]  ? exit_to_usermode_loop+0x8c/0x380
[  366.403189]  ? __do_page_fault+0x4a6/0xed0
[  366.407425]  ? do_syscall_64+0x9a/0x820
[  366.411398]  ? do_syscall_64+0x9a/0x820
[  366.415377]  exit_to_usermode_loop+0x2e5/0x380
[  366.419963]  ? syscall_slow_exit_work+0x520/0x520
[  366.424849]  do_syscall_64+0x6be/0x820
[  366.428755]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  366.434122]  ? syscall_return_slowpath+0x5e0/0x5e0
[  366.439052]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.443897]  ? trace_hardirqs_on_caller+0x310/0x310
[  366.448915]  ? prepare_exit_to_usermode+0x291/0x3b0
[  366.453948]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  366.458800]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  366.463986] RIP: 0033:0x41124a
[  366.467182] Code: Bad RIP value.
[  366.470542] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  366.478250] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  366.485518] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  366.492796] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  366.500063] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  366.507338] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  366.514637] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  366.514643] warn_alloc_show_mem: 1 callbacks suppressed
[  366.514651] Mem-Info:
[  366.521943] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  366.527326] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  366.527326]  active_file:8 inactive_file:19 isolated_file:0
[  366.527326]  unevictable:0 dirty:0 writeback:0 unstable:0
[  366.527326]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  366.527326]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  366.527326]  free:13709 free_pcp:257 free_cma:0
[  366.529710] Call Trace:
[  366.539103] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  366.572034]  <IRQ>
[  366.574609] Node 0 
[  366.602299]  dump_stack+0x1c4/0x2b4
[  366.604466] 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
[  366.606698]  ? dump_stack_print_info.cold.2+0x52/0x52
[  366.610296] lowmem_reserve[]:
[  366.635812]  warn_alloc.cold.119+0xb7/0x1bd
[  366.640965]  0 2819
[  366.644082]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  366.648374]  6323 6323
[  366.650622]  ? lock_downgrade+0x900/0x900
[  366.655440] Node 0 
[  366.657937]  ? trace_hardirqs_off+0xb8/0x310
[  366.662084] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  366.664292]  ? trace_hardirqs_off+0xb8/0x310
[  366.668673] lowmem_reserve[]:
[  366.695394]  __alloc_pages_slowpath+0x2667/0x2d80
[  366.699788]  0
[  366.702925]  ? warn_alloc+0x120/0x120
[  366.707719]  0
[  366.709524]  ? warn_alloc+0x120/0x120
[  366.713299]  3503
[  366.715113]  ? print_usage_bug+0xc0/0xc0
[  366.718891]  3503
[  366.720950]  ? warn_alloc+0x120/0x120
[  366.727047]  ? print_usage_bug+0xc0/0xc0
[  366.730838] Node 0 Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  366.734936]  ? __lock_acquire+0x7ec/0x4ec0
[  366.734952]  ? __lock_acquire+0x7ec/0x4ec0
[  366.764067] lowmem_reserve[]: 0
[  366.768313]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.772542]  0
[  366.775815]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  366.781332]  0
[  366.783141]  ? should_fail+0x22d/0xd01
[  366.788647]  0
[  366.790471]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.794351] Node 0 DMA: 
[  366.796159]  ? __lock_acquire+0x7ec/0x4ec0
[  366.801238] 1*4kB 
[  366.803905]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  366.808112] (U) 
[  366.810269]  ? __lock_acquire+0x7ec/0x4ec0
[  366.815360] 0*8kB 
[  366.817349]  ? should_fail+0x22d/0xd01
[  366.821559] 0*16kB 
[  366.823713]  ? mark_held_locks+0x130/0x130
[  366.827574] 1*32kB 
[  366.829815]  ? mark_held_locks+0x130/0x130
[  366.834024] (U) 
[  366.836267]  ? graph_lock+0x170/0x170
[  366.840476] 2*64kB (U) 
[  366.842458]  ? print_usage_bug+0xc0/0xc0
[  366.846235] 1*128kB 
[  366.848812]  ? graph_lock+0x170/0x170
[  366.852851] (U) 
[  366.855176]  ? print_usage_bug+0xc0/0xc0
[  366.858950] 1*256kB 
[  366.860920]  ? wq_watchdog_touch+0x9c/0xfe
[  366.864960] (U) 
[  366.867282]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.871493] 0*512kB 
[  366.873468]  ? check_preemption_disabled+0x48/0x200
[  366.878977] 1*1024kB 
[  366.881297]  ? check_preemption_disabled+0x48/0x200
[  366.886281] (U) 1*2048kB 
[  366.888709]  ? __lock_is_held+0xb5/0x140
[  366.893709] (M) 3*4096kB 
[  366.896479]  __alloc_pages_nodemask+0xa80/0xde0
[  366.900506] (M) = 15908kB
[  366.903267]  ? graph_lock+0x170/0x170
[  366.907917] Node 0 
[  366.910674]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  366.914448] DMA32: 
[  366.916684]  ? graph_lock+0x170/0x170
[  366.921692] 4*4kB 
[  366.923927]  ? find_held_lock+0x36/0x1c0
[  366.927699] (UM) 
[  366.929894]  ? ____cache_alloc_node+0x1c7/0x1e0
[  366.933928] 2*8kB 
[  366.935985]  ? lock_downgrade+0x900/0x900
[  366.940632] (UM) 
[  366.942809]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  366.946931] 2*16kB 
[  366.948989]  cache_grow_begin+0x91/0x8c0
[  366.954501] (M) 
[  366.956765]  ? do_raw_spin_unlock+0xa7/0x2f0
[  366.960802] 3*32kB 
[  366.962790]  fallback_alloc+0x203/0x2e0
[  366.967171] (UM) 
[  366.969409]  ____cache_alloc_node+0x1c7/0x1e0
[  366.973352] 5*64kB (UM) 
[  366.975428]  kmem_cache_alloc_node+0xe3/0x730
[  366.979897] 4*128kB (UM) 
[  366.982577]  ? ipv6_get_ifaddr+0x42e/0x620
[  366.987049] 4*256kB 
[  366.989812]  __alloc_skb+0x119/0x770
[  366.994015] (UM) 
[  366.996354]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  367.000047] 3*512kB 
[  367.002109]  ? skb_scrub_packet+0x490/0x490
[  367.007364] (M) 
[  367.009688]  ? lock_downgrade+0x900/0x900
[  367.013987] 3*1024kB 
[  367.015959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.020071] (UM) 3*2048kB 
[  367.022496]  ? refcount_sub_and_test_checked+0x203/0x310
[  367.027998] (M) 3*4096kB 
[  367.030853]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  367.036283] (M) 
[  367.039040]  ? addrconf_rs_timer+0x690/0x690
[  367.044474] = 25056kB
[  367.046470]  ndisc_alloc_skb+0x144/0x340
[  367.050851] Node 0 
[  367.053257]  ndisc_send_rs+0x331/0x6e0
[  367.057296] Normal: 
[  367.059542]  addrconf_rs_timer+0x314/0x690
[  367.063407] 798*4kB 
[  367.065730]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.069947] (ME) 
[  367.072293]  call_timer_fn+0x272/0x920
[  367.076509] 471*8kB 
[  367.078568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.082434] (UME) 
[  367.084768]  ? process_timeout+0x40/0x40
[  367.088976] 208*16kB (UME) 
[  367.091135]  ? find_held_lock+0x36/0x1c0
[  367.095175] 76*32kB 
[  367.098138]  ? __run_timers+0x7da/0xc70
[  367.102172] (UME) 
[  367.104498]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.108445] 4*64kB 
[  367.110592]  ? _raw_spin_unlock_irq+0x27/0x80
[  367.115060] (M) 1*128kB 
[  367.117305]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.121791] (U) 1*256kB 
[  367.124472]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  367.128679] (U) 1*512kB 
[  367.131363]  ? trace_hardirqs_on+0xbd/0x310
[  367.135922] (U) 
[  367.138596]  ? kasan_check_read+0x11/0x20
[  367.142914] 0*1024kB 
[  367.144893]  ? __run_timers+0x7da/0xc70
[  367.149019] 0*2048kB 
[  367.151429]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  367.155380] 0*4096kB 
[  367.157801]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.163227] = 13872kB
[  367.165634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  367.169874] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  367.172296]  __run_timers+0x7e5/0xc70
[  367.176541] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  367.185393]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  367.189166] 1299 total pagecache pages
[  367.197738]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  367.203085] 0 pages in swap cache
[  367.206960]  ? graph_lock+0x170/0x170
[  367.211969] Swap cache stats: add 0, delete 0, find 0/0
[  367.215413]  ? enqueue_hrtimer+0x1a5/0x560
[  367.219194] Free swap  = 0kB
[  367.224562]  ? lock_release+0x970/0x970
[  367.228788] Total swap = 0kB
[  367.231799]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  367.235751] 1965979 pages RAM
[  367.238765]  ? find_held_lock+0x36/0x1c0
[  367.243929] 0 pages HighMem/MovableOnly
[  367.247032]  ? graph_lock+0x170/0x170
[  367.251071] 342306 pages reserved
[  367.255039]  ? pvclock_read_flags+0x160/0x160
[  367.258817] 0 pages cma reserved
[  367.262263]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.266841] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.270106]  ? check_preemption_disabled+0x48/0x200
[  367.270137]  ? __lock_is_held+0xb5/0x140
[  367.275714] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.282137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.287151] syz-executor1 cpuset=
[  367.291204]  ? check_preemption_disabled+0x48/0x200
[  367.301661] /
[  367.307196]  run_timer_softirq+0x52/0xb0
[  367.310628]  mems_allowed=0
[  367.315652]  ? rcu_read_lock_sched_held+0x108/0x120
[  367.329354]  __do_softirq+0x30b/0xad8
[  367.333168]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  367.338275]  ? pvclock_read_flags+0x160/0x160
[  367.342790]  ? lapic_next_event+0x5a/0x90
[  367.346935]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.352478]  ? check_preemption_disabled+0x48/0x200
[  367.357496]  ? check_preemption_disabled+0x48/0x200
[  367.362529]  ? kvm_clock_read+0x18/0x30
[  367.366506]  ? kvm_sched_clock_read+0x9/0x20
[  367.370918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.376455]  ? check_preemption_disabled+0x48/0x200
[  367.381500]  irq_exit+0x17f/0x1c0
[  367.384956]  smp_apic_timer_interrupt+0x1cb/0x760
[  367.389808]  ? smp_reschedule_interrupt+0x109/0x650
[  367.394826]  ? smp_call_function_single_interrupt+0x650/0x650
[  367.400753]  ? interrupt_entry+0xb5/0xf0
[  367.404814]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.409845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  367.414867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.419714]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.424729]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.429748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.435287]  ? check_preemption_disabled+0x48/0x200
[  367.440308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.445877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.450739]  apic_timer_interrupt+0xf/0x20
[  367.454964]  </IRQ>
[  367.457217] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  367.462143] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  367.481040] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  367.488749] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  367.496027] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  367.503290] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  367.510561] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  367.517834] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  367.525189]  skb_clone+0x1bb/0x500
[  367.528741]  ? finish_task_switch+0x1b5/0x900
[  367.533232]  ? skb_split+0x11e0/0x11e0
[  367.537129]  ? preempt_notifier_register+0x200/0x200
[  367.542234]  ? __switch_to_asm+0x34/0x70
[  367.546300]  ? __switch_to_asm+0x34/0x70
[  367.550384]  ? __switch_to_asm+0x40/0x70
[  367.554441]  ? __switch_to_asm+0x34/0x70
[  367.558494]  ? __switch_to_asm+0x40/0x70
[  367.562564]  ? __switch_to_asm+0x34/0x70
[  367.566618]  ? __switch_to_asm+0x40/0x70
[  367.570674]  ? __switch_to_asm+0x34/0x70
[  367.574732]  ? __switch_to_asm+0x34/0x70
[  367.578792]  ? __switch_to_asm+0x40/0x70
[  367.582847]  ? __switch_to_asm+0x34/0x70
[  367.586914]  bpf_clone_redirect+0xb9/0x490
[  367.591153]  ? __schedule+0x874/0x1ed0
[  367.595039]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  367.600051]  ? __sched_text_start+0x8/0x8
[  367.604200]  ? lockdep_hardirqs_on+0x421/0x5c0
[  367.608778]  ? retint_kernel+0x2d/0x2d
[  367.612659]  ? trace_hardirqs_on_caller+0xc0/0x310
[  367.617615]  ? find_held_lock+0x36/0x1c0
[  367.621717]  ? lock_acquire+0x1ed/0x520
[  367.625718]  ? bpf_test_run+0x3cb/0x780
[  367.629699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.635229]  ? check_preemption_disabled+0x48/0x200
[  367.640245]  ? kasan_check_read+0x11/0x20
[  367.644393]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  367.649669]  ? rcu_bh_qs+0xc0/0xc0
[  367.653206]  ? preempt_schedule+0x4d/0x60
[  367.657355]  ? ___preempt_schedule+0x16/0x18
[  367.661767]  ? bpf_test_run+0x25d/0x780
[  367.665801]  ? netlink_diag_dump+0x2a0/0x2a0
[  367.670252]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.675800]  ? bpf_test_init.isra.9+0x70/0x100
[  367.680387]  ? bpf_prog_test_run_skb+0x634/0xb40
[  367.685144]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  367.689980]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  367.695542]  ? fput+0x130/0x1a0
[  367.698820]  ? __bpf_prog_get+0x9b/0x290
[  367.702880]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  367.707734]  ? bpf_prog_test_run+0x130/0x1a0
[  367.712146]  ? __x64_sys_bpf+0x3d8/0x510
[  367.716200]  ? bpf_prog_get+0x20/0x20
[  367.720029]  ? do_syscall_64+0x1b9/0x820
[  367.724089]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  367.729453]  ? syscall_return_slowpath+0x5e0/0x5e0
[  367.734385]  ? trace_hardirqs_on_caller+0x310/0x310
[  367.739404]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  367.744416]  ? recalc_sigpending_tsk+0x180/0x180
[  367.749170]  ? kasan_check_write+0x14/0x20
[  367.753407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  367.758256]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  367.763639] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  367.763709] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  367.770912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  367.770917] Call Trace:
[  367.770923]  <IRQ>
[  367.770939]  dump_stack+0x1c4/0x2b4
[  367.770960]  ? dump_stack_print_info.cold.2+0x52/0x52
[  367.777487] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  367.786907]  warn_alloc.cold.119+0xb7/0x1bd
[  367.789484] syz-executor4 cpuset=
[  367.791630]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  367.795230] syz4
[  367.800416]  ? lock_downgrade+0x900/0x900
[  367.810872]  mems_allowed=0
[  367.832454]  ? trace_hardirqs_off+0xb8/0x310
[  367.836878]  ? trace_hardirqs_off+0xb8/0x310
[  367.841294]  __alloc_pages_slowpath+0x2667/0x2d80
[  367.846198]  ? warn_alloc+0x120/0x120
[  367.849999]  ? lock_release+0x970/0x970
[  367.853973]  ? warn_alloc+0x120/0x120
[  367.857811]  ? print_usage_bug+0xc0/0xc0
[  367.861870]  ? warn_alloc+0x120/0x120
[  367.865668]  ? print_usage_bug+0xc0/0xc0
[  367.869731]  ? __lock_acquire+0x7ec/0x4ec0
[  367.873971]  ? __lock_acquire+0x7ec/0x4ec0
[  367.878203]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.883755]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  367.889305]  ? should_fail+0x22d/0xd01
[  367.893204]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.898301]  ? __lock_acquire+0x7ec/0x4ec0
[  367.902543]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  367.907646]  ? __lock_acquire+0x7ec/0x4ec0
[  367.911879]  ? should_fail+0x22d/0xd01
[  367.915788]  ? mark_held_locks+0x130/0x130
[  367.920027]  ? mark_held_locks+0x130/0x130
[  367.924264]  ? graph_lock+0x170/0x170
[  367.928061]  ? print_usage_bug+0xc0/0xc0
[  367.932120]  ? graph_lock+0x170/0x170
[  367.935917]  ? print_usage_bug+0xc0/0xc0
[  367.939977]  ? wq_watchdog_touch+0x9c/0xfe
[  367.944210]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.949749]  ? check_preemption_disabled+0x48/0x200
[  367.954788]  ? check_preemption_disabled+0x48/0x200
[  367.959820]  ? __lock_is_held+0xb5/0x140
[  367.963895]  __alloc_pages_nodemask+0xa80/0xde0
[  367.968560]  ? graph_lock+0x170/0x170
[  367.972357]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  367.977405]  ? graph_lock+0x170/0x170
[  367.981213]  ? find_held_lock+0x36/0x1c0
[  367.985282]  ? ____cache_alloc_node+0x1c7/0x1e0
[  367.989950]  ? lock_downgrade+0x900/0x900
[  367.994100]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  367.999646]  cache_grow_begin+0x91/0x8c0
[  368.003710]  ? do_raw_spin_unlock+0xa7/0x2f0
[  368.008122]  fallback_alloc+0x203/0x2e0
[  368.012099]  ____cache_alloc_node+0x1c7/0x1e0
[  368.016627]  kmem_cache_alloc_node+0xe3/0x730
[  368.021127]  ? ipv6_get_ifaddr+0x42e/0x620
[  368.025378]  __alloc_skb+0x119/0x770
[  368.029098]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  368.034383]  ? skb_scrub_packet+0x490/0x490
[  368.038704]  ? lock_downgrade+0x900/0x900
[  368.042864]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.048403]  ? refcount_sub_and_test_checked+0x203/0x310
[  368.053873]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  368.059364]  ? addrconf_rs_timer+0x690/0x690
[  368.063784]  ndisc_alloc_skb+0x144/0x340
[  368.067863]  ndisc_send_rs+0x331/0x6e0
[  368.071784]  addrconf_rs_timer+0x314/0x690
[  368.076157]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.080408]  call_timer_fn+0x272/0x920
[  368.084297]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.088556]  ? process_timeout+0x40/0x40
[  368.092616]  ? find_held_lock+0x36/0x1c0
[  368.096689]  ? mark_held_locks+0xc7/0x130
[  368.100854]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.105359]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.109859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.114119]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  368.118704]  ? trace_hardirqs_on+0xbd/0x310
[  368.123025]  ? kasan_check_read+0x11/0x20
[  368.127201]  ? __run_timers+0x7da/0xc70
[  368.131176]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.136633]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.140876]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  368.145137]  __run_timers+0x7e5/0xc70
[  368.148952]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  368.154330]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.159352]  ? graph_lock+0x170/0x170
[  368.163156]  ? print_usage_bug+0xc0/0xc0
[  368.167211]  ? lock_release+0x970/0x970
[  368.171184]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  368.176380]  ? find_held_lock+0x36/0x1c0
[  368.180446]  ? graph_lock+0x170/0x170
[  368.184751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.190301]  ? check_preemption_disabled+0x48/0x200
[  368.195349]  ? __lock_is_held+0xb5/0x140
[  368.199417]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.204957]  ? check_preemption_disabled+0x48/0x200
[  368.209982]  run_timer_softirq+0x52/0xb0
[  368.214043]  ? rcu_read_lock_sched_held+0x108/0x120
[  368.219069]  __do_softirq+0x30b/0xad8
[  368.222881]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  368.227989]  ? pvclock_read_flags+0x160/0x160
[  368.232497]  ? lapic_next_event+0x5a/0x90
[  368.236647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.242185]  ? check_preemption_disabled+0x48/0x200
[  368.247216]  ? check_preemption_disabled+0x48/0x200
[  368.252241]  ? kvm_clock_read+0x18/0x30
[  368.256217]  ? kvm_sched_clock_read+0x9/0x20
[  368.260635]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.266174]  ? check_preemption_disabled+0x48/0x200
[  368.271208]  irq_exit+0x17f/0x1c0
[  368.274665]  smp_apic_timer_interrupt+0x1cb/0x760
[  368.279516]  ? smp_call_function_single_interrupt+0x650/0x650
[  368.285407]  ? interrupt_entry+0xb5/0xf0
[  368.289473]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.294501]  ? trace_hardirqs_off_caller+0xbb/0x310
[  368.299523]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.304370]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.309389]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.314407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.319946]  ? check_preemption_disabled+0x48/0x200
[  368.324963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.330535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.335397]  apic_timer_interrupt+0xf/0x20
[  368.339647]  </IRQ>
[  368.341908] RIP: 0010:lock_acquire+0x268/0x520
[  368.346492] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  368.365398] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  368.373119] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  368.380385] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  368.387653] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  368.394919] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  368.402184] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  368.409487]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.415032]  ? lock_release+0x970/0x970
[  368.419008]  ? activate_page+0x1040/0x1040
[  368.423247]  ? __unlock_page_memcg+0x53/0x100
[  368.427744]  ? check_preemption_disabled+0x48/0x200
[  368.432769]  lock_page_memcg+0x95/0x350
[  368.436743]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  368.441953]  ? rcu_bh_qs+0xc0/0xc0
[  368.445498]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  368.450715]  page_remove_rmap+0x855/0x1a30
[  368.454967]  ? page_add_file_rmap+0x1470/0x1470
[  368.459636]  ? __lock_is_held+0xb5/0x140
[  368.463709]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.469261]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.474814]  ? lru_add_drain_cpu+0x1c0/0x500
[  368.479239]  ? free_pages_and_swap_cache+0x475/0x6f0
[  368.484362]  ? free_page_and_swap_cache+0x950/0x950
[  368.489387]  ? kasan_check_read+0x11/0x20
[  368.493538]  ? page_mapcount+0x3b5/0x5d0
[  368.497607]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  368.502453]  ? lock_downgrade+0x900/0x900
[  368.506605]  ? lock_release+0x970/0x970
[  368.510582]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  368.515597]  ? _vm_normal_page+0x161/0x3c0
[  368.519854]  ? __pte_alloc_kernel+0x220/0x220
[  368.524374]  ? kasan_check_write+0x14/0x20
[  368.528616]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  368.533634]  ? __tlb_remove_page_size+0x187/0x500
[  368.538484]  unmap_page_range+0xf14/0x2030
[  368.542747]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  368.547245]  ? search_extable+0x80/0xb0
[  368.551221]  ? trim_init_extable+0x3a0/0x3a0
[  368.555630]  ? __get_user_8+0x21/0x2b
[  368.559434]  ? print_usage_bug+0xc0/0xc0
[  368.563508]  ? __lock_acquire+0x7ec/0x4ec0
[  368.567744]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  368.573299]  ? no_context+0xd9/0x980
[  368.577019]  ? lock_downgrade+0x900/0x900
[  368.581166]  ? graph_lock+0x170/0x170
[  368.584971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.590509]  ? tlb_flush_mmu_free+0x135/0x1b0
[  368.595034]  ? find_held_lock+0x36/0x1c0
[  368.599100]  ? exit_mmap+0x4bb/0x590
[  368.602818]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  368.608358]  ? uprobe_munmap+0x14c/0x450
[  368.612427]  ? uprobe_mmap+0xd50/0xd50
[  368.616327]  ? lock_release+0x970/0x970
[  368.620305]  ? arch_local_save_flags+0x40/0x40
[  368.624927]  ? rwsem_down_write_failed+0xe/0x10
[  368.629599]  ? rwsem_down_write_failed+0xe/0x10
[  368.634383]  ? call_rwsem_down_write_failed+0x17/0x30
[  368.639582]  unmap_single_vma+0x19b/0x310
[  368.643743]  unmap_vmas+0x125/0x200
[  368.647411]  exit_mmap+0x2be/0x590
[  368.650968]  ? __ia32_sys_munmap+0x80/0x80
[  368.655231]  ? __might_sleep+0x95/0x190
[  368.659211]  mmput+0x247/0x610
[  368.662415]  ? lock_downgrade+0x900/0x900
[  368.666565]  ? set_mm_exe_file+0x200/0x200
[  368.670808]  ? kasan_check_read+0x11/0x20
[  368.674961]  ? do_raw_spin_unlock+0xa7/0x2f0
[  368.679371]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  368.683960]  ? kasan_check_write+0x14/0x20
[  368.688340]  ? do_raw_spin_lock+0xc1/0x200
[  368.692589]  do_exit+0xe6f/0x2610
[  368.696043]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  368.701107]  ? mm_update_next_owner+0x990/0x990
[  368.705806]  ? print_usage_bug+0xc0/0xc0
[  368.709880]  ? graph_lock+0x170/0x170
[  368.713691]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.719235]  ? check_preemption_disabled+0x48/0x200
[  368.724249]  ? check_preemption_disabled+0x48/0x200
[  368.729265]  ? print_usage_bug+0xc0/0xc0
[  368.733341]  ? __lock_acquire+0x7ec/0x4ec0
[  368.737587]  ? __lock_acquire+0x7ec/0x4ec0
[  368.741840]  ? mark_held_locks+0x130/0x130
[  368.746121]  ? mark_held_locks+0x130/0x130
[  368.750379]  ? kasan_check_write+0x14/0x20
[  368.754621]  ? finish_task_switch+0x2f5/0x900
[  368.759118]  ? __switch_to_asm+0x40/0x70
[  368.763184]  ? __switch_to_asm+0x34/0x70
[  368.767258]  ? __switch_to_asm+0x34/0x70
[  368.771328]  ? __switch_to_asm+0x40/0x70
[  368.775401]  ? __switch_to_asm+0x34/0x70
[  368.779465]  ? __switch_to_asm+0x40/0x70
[  368.783527]  ? __switch_to_asm+0x34/0x70
[  368.787587]  ? __switch_to_asm+0x34/0x70
[  368.791646]  ? __switch_to_asm+0x34/0x70
[  368.795706]  ? __switch_to_asm+0x34/0x70
[  368.799783]  ? __switch_to_asm+0x40/0x70
[  368.803853]  ? __switch_to_asm+0x34/0x70
[  368.807920]  ? __switch_to_asm+0x40/0x70
[  368.811985]  ? graph_lock+0x170/0x170
[  368.815798]  ? graph_lock+0x170/0x170
[  368.819605]  ? graph_lock+0x170/0x170
[  368.823418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  368.828970]  ? wait_consider_task+0x245/0x3bb0
[  368.833554]  ? memset+0x31/0x40
[  368.836844]  ? find_held_lock+0x36/0x1c0
[  368.840922]  ? get_signal+0x95b/0x1980
[  368.844815]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.849316]  ? _raw_spin_unlock_irq+0x27/0x80
[  368.853831]  do_group_exit+0x177/0x440
[  368.857725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  368.863175]  ? __ia32_sys_exit+0x50/0x50
[  368.867249]  get_signal+0x8b0/0x1980
[  368.870975]  ? ptrace_notify+0x130/0x130
[  368.875033]  ? do_wait+0x57d/0xb90
[  368.878579]  ? wait_consider_task+0x3bb0/0x3bb0
[  368.883247]  ? graph_lock+0x170/0x170
[  368.887050]  ? graph_lock+0x170/0x170
[  368.890857]  ? graph_lock+0x170/0x170
[  368.894677]  do_signal+0x9c/0x21e0
[  368.898227]  ? find_held_lock+0x36/0x1c0
[  368.902298]  ? setup_sigcontext+0x7d0/0x7d0
[  368.906635]  ? kernel_wait4+0x2e0/0x3f0
[  368.910611]  ? __ia32_sys_waitid+0x140/0x140
[  368.915025]  ? task_stopped_code+0x190/0x190
[  368.919439]  ? exit_to_usermode_loop+0x8c/0x380
[  368.924127]  ? __do_page_fault+0x4a6/0xed0
[  368.928363]  ? do_syscall_64+0x9a/0x820
[  368.932342]  ? do_syscall_64+0x9a/0x820
[  368.936349]  exit_to_usermode_loop+0x2e5/0x380
[  368.940954]  ? syscall_slow_exit_work+0x520/0x520
[  368.945807]  do_syscall_64+0x6be/0x820
[  368.949753]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  368.955135]  ? syscall_return_slowpath+0x5e0/0x5e0
[  368.960065]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.964928]  ? trace_hardirqs_on_caller+0x310/0x310
[  368.969961]  ? prepare_exit_to_usermode+0x291/0x3b0
[  368.974984]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  368.979836]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  368.985057] RIP: 0033:0x41124a
[  368.988254] Code: Bad RIP value.
[  368.991613] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  368.999333] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  369.006599] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  369.013875] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  369.021156] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  369.028420] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  369.035712] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  369.035718] warn_alloc_show_mem: 1 callbacks suppressed
[  369.035725] Mem-Info:
[  369.043005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  369.048377] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  369.048377]  active_file:8 inactive_file:19 isolated_file:0
[  369.048377]  unevictable:0 dirty:0 writeback:0 unstable:0
[  369.048377]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  369.048377]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  369.048377]  free:13709 free_pcp:257 free_cma:0
[  369.050751] Call Trace:
[  369.060128] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  369.093064]  <IRQ>
[  369.095637] Node 0 
[  369.123309]  dump_stack+0x1c4/0x2b4
[  369.125467] 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
[  369.127681]  ? dump_stack_print_info.cold.2+0x52/0x52
[  369.131281] lowmem_reserve[]:
[  369.156791]  warn_alloc.cold.119+0xb7/0x1bd
[  369.161947]  0
[  369.165048]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  369.169346]  2819
[  369.171165]  ? lock_downgrade+0x900/0x900
[  369.175983]  6323
[  369.178072]  ? trace_hardirqs_off+0xb8/0x310
[  369.182200]  6323
[  369.184261]  ? trace_hardirqs_off+0xb8/0x310
[  369.190734]  __alloc_pages_slowpath+0x2667/0x2d80
[  369.195115] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  369.199986]  ? warn_alloc+0x120/0x120
[  369.200003]  ? lock_release+0x970/0x970
[  369.227298] lowmem_reserve[]: 0
[  369.231132]  ? warn_alloc+0x120/0x120
[  369.235081]  0
[  369.238362]  ? print_usage_bug+0xc0/0xc0
[  369.242135]  3503
[  369.243937]  ? warn_alloc+0x120/0x120
[  369.247977]  3503
[  369.250040]  ? print_usage_bug+0xc0/0xc0
[  369.255888]  ? __lock_acquire+0x7ec/0x4ec0
[  369.259927] Node 0 
[  369.264156]  ? __lock_acquire+0x7ec/0x4ec0
[  369.264187] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  369.264194] lowmem_reserve[]:
[  369.266443]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.270653]  0
[  369.299019]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  369.302113]  0
[  369.307673]  ? should_fail+0x22d/0xd01
[  369.309455]  0
[  369.314999]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.316777]  0
[  369.320675]  ? __lock_acquire+0x7ec/0x4ec0
[  369.327556]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  369.329354] Node 0 
[  369.333587]  ? __lock_acquire+0x7ec/0x4ec0
[  369.338660] DMA: 1*4kB 
[  369.340902]  ? should_fail+0x22d/0xd01
[  369.345126] (U) 
[  369.347714]  ? mark_held_locks+0x130/0x130
[  369.351594] 0*8kB 
[  369.353579]  ? mark_held_locks+0x130/0x130
[  369.357805] 0*16kB 
[  369.359946]  ? graph_lock+0x170/0x170
[  369.364157] 1*32kB (U) 
[  369.366406]  ? print_usage_bug+0xc0/0xc0
[  369.370187] 2*64kB 
[  369.372767]  ? graph_lock+0x170/0x170
[  369.376806] (U) 
[  369.379041]  ? print_usage_bug+0xc0/0xc0
[  369.382820] 1*128kB 
[  369.384794]  ? wq_watchdog_touch+0x9c/0xfe
[  369.388832] (U) 
[  369.391156]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.395370] 1*256kB 
[  369.397371]  ? check_preemption_disabled+0x48/0x200
[  369.402880] (U) 
[  369.405205]  ? check_preemption_disabled+0x48/0x200
[  369.410196] 0*512kB 
[  369.412175]  ? __lock_is_held+0xb5/0x140
[  369.417164] 1*1024kB 
[  369.419495]  __alloc_pages_nodemask+0xa80/0xde0
[  369.423533] (U) 
[  369.425940]  ? graph_lock+0x170/0x170
[  369.430587] 1*2048kB 
[  369.432581]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  369.436353] (M) 3*4096kB 
[  369.438793]  ? graph_lock+0x170/0x170
[  369.443797] (M) 
[  369.446573]  ? find_held_lock+0x36/0x1c0
[  369.450369] = 15908kB
[  369.452378]  ? ____cache_alloc_node+0x1c7/0x1e0
[  369.456423] Node 0 
[  369.458829]  ? lock_downgrade+0x900/0x900
[  369.463479] DMA32: 
[  369.465715]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.469853] 4*4kB 
[  369.472087]  cache_grow_begin+0x91/0x8c0
[  369.477605] (UM) 
[  369.479754]  ? do_raw_spin_unlock+0xa7/0x2f0
[  369.483795] 2*8kB 
[  369.485854]  fallback_alloc+0x203/0x2e0
[  369.490229] (UM) 2*16kB 
[  369.492387]  ____cache_alloc_node+0x1c7/0x1e0
[  369.496342] (M) 
[  369.499018]  kmem_cache_alloc_node+0xe3/0x730
[  369.503487] 3*32kB 
[  369.505462]  ? ipv6_get_ifaddr+0x42e/0x620
[  369.509932] (UM) 
[  369.512185]  __alloc_skb+0x119/0x770
[  369.516391] 5*64kB 
[  369.518454]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  369.522138] (UM) 
[  369.524375]  ? skb_scrub_packet+0x490/0x490
[  369.529632] 4*128kB 
[  369.531691]  ? lock_downgrade+0x900/0x900
[  369.535988] (UM) 
[  369.538315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.542452] 4*256kB 
[  369.544519]  ? refcount_sub_and_test_checked+0x203/0x310
[  369.550026] (UM) 3*512kB 
[  369.552381]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  369.557793] (M) 3*1024kB 
[  369.560573]  ? addrconf_rs_timer+0x690/0x690
[  369.566002] (UM) 
[  369.568767]  ndisc_alloc_skb+0x144/0x340
[  369.573144] 3*2048kB 
[  369.575202]  ndisc_send_rs+0x331/0x6e0
[  369.579247] (M) 
[  369.581659]  addrconf_rs_timer+0x314/0x690
[  369.585528] 3*4096kB 
[  369.587504]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.591716] (M) 
[  369.594146]  call_timer_fn+0x272/0x920
[  369.598348] = 25056kB
[  369.600334]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.604197] Node 0 
[  369.606606]  ? process_timeout+0x40/0x40
[  369.610813] Normal: 798*4kB 
[  369.613062]  ? find_held_lock+0x36/0x1c0
[  369.617109] (ME) 
[  369.620138]  ? __run_timers+0x7da/0xc70
[  369.624175] 471*8kB 
[  369.626239]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.630190] (UME) 
[  369.632511]  ? _raw_spin_unlock_irq+0x27/0x80
[  369.636985] 208*16kB 
[  369.639132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.643608] (UME) 
[  369.646013]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  369.650217] 76*32kB (UME) 
[  369.652387]  ? trace_hardirqs_on+0xbd/0x310
[  369.656941] 4*64kB (M) 
[  369.659797]  ? kasan_check_read+0x11/0x20
[  369.664094] 1*128kB 
[  369.666674]  ? __run_timers+0x7da/0xc70
[  369.670798] (U) 1*256kB 
[  369.673134]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  369.677083] (U) 1*512kB 
[  369.679768]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.685197] (U) 
[  369.687871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  369.692088] 0*1024kB 
[  369.694064]  __run_timers+0x7e5/0xc70
[  369.698279] 0*2048kB 
[  369.700719]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  369.704488] 0*4096kB 
[  369.706901]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  369.712240] = 13872kB
[  369.714658]  ? graph_lock+0x170/0x170
[  369.719665] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  369.722067]  ? enqueue_hrtimer+0x1a5/0x560
[  369.725858] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  369.734694]  ? lock_release+0x970/0x970
[  369.738908] 1299 total pagecache pages
[  369.747487]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  369.751454] 0 pages in swap cache
[  369.755343]  ? find_held_lock+0x36/0x1c0
[  369.760538] Swap cache stats: add 0, delete 0, find 0/0
[  369.763995]  ? graph_lock+0x170/0x170
[  369.768029] Free swap  = 0kB
[  369.768039] Total swap = 0kB
[  369.773402]  ? pvclock_read_flags+0x160/0x160
[  369.777183] 1965979 pages RAM
[  369.780201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.783199] 0 pages HighMem/MovableOnly
[  369.787690]  ? check_preemption_disabled+0x48/0x200
[  369.790794] 342306 pages reserved
[  369.796341]  ? __lock_is_held+0xb5/0x140
[  369.800301] 0 pages cma reserved
[  369.805334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.808863] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  369.812824]  ? check_preemption_disabled+0x48/0x200
[  369.816336] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  369.821700]  run_timer_softirq+0x52/0xb0
[  369.828170] syz-executor1 cpuset=
[  369.833197]  ? rcu_read_lock_sched_held+0x108/0x120
[  369.843665] /
[  369.847742]  __do_softirq+0x30b/0xad8
[  369.851175]  mems_allowed=0
[  369.856200]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  369.869696]  ? pvclock_read_flags+0x160/0x160
[  369.874191]  ? lapic_next_event+0x5a/0x90
[  369.878351]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.883899]  ? check_preemption_disabled+0x48/0x200
[  369.888916]  ? check_preemption_disabled+0x48/0x200
[  369.893963]  ? kvm_clock_read+0x18/0x30
[  369.897940]  ? kvm_sched_clock_read+0x9/0x20
[  369.902370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.907913]  ? check_preemption_disabled+0x48/0x200
[  369.912948]  irq_exit+0x17f/0x1c0
[  369.916409]  smp_apic_timer_interrupt+0x1cb/0x760
[  369.921249]  ? smp_reschedule_interrupt+0x109/0x650
[  369.926267]  ? smp_call_function_single_interrupt+0x650/0x650
[  369.932152]  ? interrupt_entry+0xb5/0xf0
[  369.936215]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.941230]  ? trace_hardirqs_off_caller+0xbb/0x310
[  369.946248]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.951094]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.956131]  ? trace_hardirqs_on_caller+0x310/0x310
[  369.961153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.966693]  ? check_preemption_disabled+0x48/0x200
[  369.971723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  369.977267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  369.982120]  apic_timer_interrupt+0xf/0x20
[  369.986392]  </IRQ>
[  369.988633] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  369.993565] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  370.012463] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.020171] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  370.027441] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  370.034715] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  370.041983] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  370.049246] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  370.056565]  skb_clone+0x1bb/0x500
[  370.060105]  ? finish_task_switch+0x1b5/0x900
[  370.064602]  ? skb_split+0x11e0/0x11e0
[  370.068491]  ? preempt_notifier_register+0x200/0x200
[  370.073595]  ? __switch_to_asm+0x34/0x70
[  370.078129]  ? __switch_to_asm+0x34/0x70
[  370.082190]  ? __switch_to_asm+0x40/0x70
[  370.086285]  ? __switch_to_asm+0x34/0x70
[  370.090371]  ? __switch_to_asm+0x40/0x70
[  370.094448]  ? __switch_to_asm+0x34/0x70
[  370.098512]  ? __switch_to_asm+0x40/0x70
[  370.102575]  ? __switch_to_asm+0x34/0x70
[  370.106634]  ? __switch_to_asm+0x34/0x70
[  370.110694]  ? __switch_to_asm+0x40/0x70
[  370.114764]  ? __switch_to_asm+0x34/0x70
[  370.118847]  bpf_clone_redirect+0xb9/0x490
[  370.123084]  ? __schedule+0x874/0x1ed0
[  370.126989]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  370.132009]  ? __sched_text_start+0x8/0x8
[  370.136162]  ? lockdep_hardirqs_on+0x421/0x5c0
[  370.140761]  ? retint_kernel+0x2d/0x2d
[  370.144648]  ? trace_hardirqs_on_caller+0xc0/0x310
[  370.150203]  ? find_held_lock+0x36/0x1c0
[  370.154281]  ? lock_acquire+0x1ed/0x520
[  370.158260]  ? bpf_test_run+0x3cb/0x780
[  370.162251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.167794]  ? check_preemption_disabled+0x48/0x200
[  370.172832]  ? kasan_check_read+0x11/0x20
[  370.176985]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  370.182382]  ? rcu_bh_qs+0xc0/0xc0
[  370.185929]  ? preempt_schedule+0x4d/0x60
[  370.190083]  ? ___preempt_schedule+0x16/0x18
[  370.194501]  ? bpf_test_run+0x25d/0x780
[  370.198489]  ? netlink_diag_dump+0x2a0/0x2a0
[  370.202904]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.208444]  ? bpf_test_init.isra.9+0x70/0x100
[  370.213034]  ? bpf_prog_test_run_skb+0x634/0xb40
[  370.217825]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  370.222673]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.228208]  ? fput+0x130/0x1a0
[  370.231488]  ? __bpf_prog_get+0x9b/0x290
[  370.235547]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  370.240391]  ? bpf_prog_test_run+0x130/0x1a0
[  370.244807]  ? __x64_sys_bpf+0x3d8/0x510
[  370.248868]  ? bpf_prog_get+0x20/0x20
[  370.252691]  ? do_syscall_64+0x1b9/0x820
[  370.256761]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  370.262126]  ? syscall_return_slowpath+0x5e0/0x5e0
[  370.267057]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.272074]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  370.277093]  ? recalc_sigpending_tsk+0x180/0x180
[  370.281852]  ? kasan_check_write+0x14/0x20
[  370.286100]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.290959]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  370.296369] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  370.296465] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  370.303657] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  370.303663] Call Trace:
[  370.303669]  <IRQ>
[  370.303687]  dump_stack+0x1c4/0x2b4
[  370.303705]  ? dump_stack_print_info.cold.2+0x52/0x52
[  370.303732]  warn_alloc.cold.119+0xb7/0x1bd
[  370.310332] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  370.319571]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  370.322129] syz-executor4 cpuset=syz4 mems_allowed=0
[  370.358218]  ? lock_downgrade+0x900/0x900
[  370.362526]  ? trace_hardirqs_off+0xb8/0x310
[  370.367389]  ? trace_hardirqs_off+0xb8/0x310
[  370.371811]  __alloc_pages_slowpath+0x2667/0x2d80
[  370.376693]  ? warn_alloc+0x120/0x120
[  370.380525]  ? warn_alloc+0x120/0x120
[  370.384350]  ? print_usage_bug+0xc0/0xc0
[  370.388438]  ? warn_alloc+0x120/0x120
[  370.392239]  ? print_usage_bug+0xc0/0xc0
[  370.396305]  ? should_fail+0x22d/0xd01
[  370.400201]  ? __lock_acquire+0x7ec/0x4ec0
[  370.404461]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.409995]  ? should_fail+0x22d/0xd01
[  370.413886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.418989]  ? __lock_acquire+0x7ec/0x4ec0
[  370.423250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  370.428356]  ? __lock_acquire+0x7ec/0x4ec0
[  370.432590]  ? should_fail+0x22d/0xd01
[  370.436491]  ? mark_held_locks+0x130/0x130
[  370.440730]  ? mark_held_locks+0x130/0x130
[  370.444969]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.450505]  ? graph_lock+0x170/0x170
[  370.454331]  ? graph_lock+0x170/0x170
[  370.458128]  ? print_usage_bug+0xc0/0xc0
[  370.462189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.467727]  ? check_preemption_disabled+0x48/0x200
[  370.472884]  ? check_preemption_disabled+0x48/0x200
[  370.477927]  ? __lock_is_held+0xb5/0x140
[  370.481997]  __alloc_pages_nodemask+0xa80/0xde0
[  370.486665]  ? graph_lock+0x170/0x170
[  370.490470]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  370.495498]  ? graph_lock+0x170/0x170
[  370.499504]  ? find_held_lock+0x36/0x1c0
[  370.503577]  ? ____cache_alloc_node+0x1c7/0x1e0
[  370.508253]  ? lock_downgrade+0x900/0x900
[  370.512412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.518313]  cache_grow_begin+0x91/0x8c0
[  370.522392]  ? do_raw_spin_unlock+0xa7/0x2f0
[  370.526823]  fallback_alloc+0x203/0x2e0
[  370.530818]  ____cache_alloc_node+0x1c7/0x1e0
[  370.535345]  kmem_cache_alloc_node+0xe3/0x730
[  370.539846]  ? ipv6_get_ifaddr+0x42e/0x620
[  370.544099]  __alloc_skb+0x119/0x770
[  370.547826]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  370.553108]  ? skb_scrub_packet+0x490/0x490
[  370.557430]  ? lock_downgrade+0x900/0x900
[  370.561586]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.567618]  ? refcount_sub_and_test_checked+0x203/0x310
[  370.573088]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  370.578552]  ? addrconf_rs_timer+0x690/0x690
[  370.582971]  ndisc_alloc_skb+0x144/0x340
[  370.587050]  ndisc_send_rs+0x331/0x6e0
[  370.590939]  addrconf_rs_timer+0x314/0x690
[  370.595182]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.599429]  call_timer_fn+0x272/0x920
[  370.603339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.607583]  ? process_timeout+0x40/0x40
[  370.611642]  ? find_held_lock+0x36/0x1c0
[  370.615717]  ? mark_held_locks+0xc7/0x130
[  370.619883]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.624384]  ? _raw_spin_unlock_irq+0x27/0x80
[  370.628882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.633115]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  370.637696]  ? trace_hardirqs_on+0xbd/0x310
[  370.642018]  ? kasan_check_read+0x11/0x20
[  370.646169]  ? __run_timers+0x7da/0xc70
[  370.650145]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  370.655621]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  370.659865]  __run_timers+0x7e5/0xc70
[  370.663679]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  370.669063]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  370.674085]  ? graph_lock+0x170/0x170
[  370.677890]  ? print_usage_bug+0xc0/0xc0
[  370.681947]  ? lock_release+0x970/0x970
[  370.685922]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  370.691119]  ? find_held_lock+0x36/0x1c0
[  370.695186]  ? graph_lock+0x170/0x170
[  370.698992]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.704533]  ? check_preemption_disabled+0x48/0x200
[  370.709567]  ? __lock_is_held+0xb5/0x140
[  370.713631]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.719172]  ? check_preemption_disabled+0x48/0x200
[  370.724196]  run_timer_softirq+0x52/0xb0
[  370.728262]  ? rcu_read_lock_sched_held+0x108/0x120
[  370.733277]  __do_softirq+0x30b/0xad8
[  370.737102]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  370.742231]  ? pvclock_read_flags+0x160/0x160
[  370.746729]  ? lapic_next_event+0x5a/0x90
[  370.750879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.756418]  ? check_preemption_disabled+0x48/0x200
[  370.761434]  ? check_preemption_disabled+0x48/0x200
[  370.766471]  ? kvm_clock_read+0x18/0x30
[  370.770444]  ? kvm_sched_clock_read+0x9/0x20
[  370.774879]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.780422]  ? check_preemption_disabled+0x48/0x200
[  370.785454]  irq_exit+0x17f/0x1c0
[  370.788921]  smp_apic_timer_interrupt+0x1cb/0x760
[  370.793770]  ? smp_call_function_single_interrupt+0x650/0x650
[  370.799658]  ? interrupt_entry+0xb5/0xf0
[  370.803740]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.808754]  ? trace_hardirqs_off_caller+0xbb/0x310
[  370.813782]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.818623]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.823651]  ? trace_hardirqs_on_caller+0x310/0x310
[  370.828666]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.834204]  ? check_preemption_disabled+0x48/0x200
[  370.839217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.844771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  370.849637]  apic_timer_interrupt+0xf/0x20
[  370.853868]  </IRQ>
[  370.856102] RIP: 0010:lock_acquire+0x268/0x520
[  370.860687] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  370.879586] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  370.887312] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  370.894598] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  370.901888] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  370.909153] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  370.916431] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  370.923729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  370.929272]  ? lock_release+0x970/0x970
[  370.933511]  ? activate_page+0x1040/0x1040
[  370.937758]  ? __unlock_page_memcg+0x53/0x100
[  370.942269]  ? check_preemption_disabled+0x48/0x200
[  370.947307]  lock_page_memcg+0x95/0x350
[  370.951288]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  370.956498]  ? rcu_bh_qs+0xc0/0xc0
[  370.960039]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  370.965241]  page_remove_rmap+0x855/0x1a30
[  370.969501]  ? page_add_file_rmap+0x1470/0x1470
[  370.974172]  ? __lock_is_held+0xb5/0x140
[  370.978248]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  370.983793]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  370.989351]  ? lru_add_drain_cpu+0x1c0/0x500
[  370.993777]  ? free_pages_and_swap_cache+0x475/0x6f0
[  370.998900]  ? free_page_and_swap_cache+0x950/0x950
[  371.003923]  ? kasan_check_read+0x11/0x20
[  371.008071]  ? page_mapcount+0x3b5/0x5d0
[  371.012136]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  371.016988]  ? lock_downgrade+0x900/0x900
[  371.021143]  ? lock_release+0x970/0x970
[  371.025126]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  371.030140]  ? _vm_normal_page+0x161/0x3c0
[  371.034378]  ? __pte_alloc_kernel+0x220/0x220
[  371.038880]  ? kasan_check_write+0x14/0x20
[  371.043115]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  371.048131]  ? __tlb_remove_page_size+0x187/0x500
[  371.052983]  unmap_page_range+0xf14/0x2030
[  371.057245]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  371.061747]  ? search_extable+0x80/0xb0
[  371.065736]  ? trim_init_extable+0x3a0/0x3a0
[  371.070147]  ? __get_user_8+0x21/0x2b
[  371.073967]  ? print_usage_bug+0xc0/0xc0
[  371.078038]  ? __lock_acquire+0x7ec/0x4ec0
[  371.082277]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  371.087818]  ? no_context+0xd9/0x980
[  371.091537]  ? lock_downgrade+0x900/0x900
[  371.095689]  ? graph_lock+0x170/0x170
[  371.099515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.105054]  ? tlb_flush_mmu_free+0x135/0x1b0
[  371.109559]  ? find_held_lock+0x36/0x1c0
[  371.113642]  ? exit_mmap+0x4bb/0x590
[  371.117356]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.122907]  ? uprobe_munmap+0x14c/0x450
[  371.126974]  ? uprobe_mmap+0xd50/0xd50
[  371.130864]  ? lock_release+0x970/0x970
[  371.134859]  ? arch_local_save_flags+0x40/0x40
[  371.139454]  ? rwsem_down_write_failed+0xe/0x10
[  371.144140]  ? rwsem_down_write_failed+0xe/0x10
[  371.148808]  ? call_rwsem_down_write_failed+0x17/0x30
[  371.154002]  unmap_single_vma+0x19b/0x310
[  371.158157]  unmap_vmas+0x125/0x200
[  371.161821]  exit_mmap+0x2be/0x590
[  371.165367]  ? __ia32_sys_munmap+0x80/0x80
[  371.169630]  ? __might_sleep+0x95/0x190
[  371.173613]  mmput+0x247/0x610
[  371.176818]  ? lock_downgrade+0x900/0x900
[  371.180970]  ? set_mm_exe_file+0x200/0x200
[  371.185229]  ? kasan_check_read+0x11/0x20
[  371.189377]  ? do_raw_spin_unlock+0xa7/0x2f0
[  371.193788]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  371.198374]  ? kasan_check_write+0x14/0x20
[  371.202613]  ? do_raw_spin_lock+0xc1/0x200
[  371.206863]  do_exit+0xe6f/0x2610
[  371.210331]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  371.215365]  ? mm_update_next_owner+0x990/0x990
[  371.220034]  ? print_usage_bug+0xc0/0xc0
[  371.224106]  ? graph_lock+0x170/0x170
[  371.227911]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.233471]  ? check_preemption_disabled+0x48/0x200
[  371.238488]  ? check_preemption_disabled+0x48/0x200
[  371.243510]  ? print_usage_bug+0xc0/0xc0
[  371.247577]  ? __lock_acquire+0x7ec/0x4ec0
[  371.251821]  ? __lock_acquire+0x7ec/0x4ec0
[  371.256082]  ? mark_held_locks+0x130/0x130
[  371.260330]  ? mark_held_locks+0x130/0x130
[  371.264563]  ? kasan_check_write+0x14/0x20
[  371.268827]  ? finish_task_switch+0x2f5/0x900
[  371.273377]  ? __switch_to_asm+0x40/0x70
[  371.277463]  ? __switch_to_asm+0x34/0x70
[  371.281543]  ? __switch_to_asm+0x34/0x70
[  371.285615]  ? __switch_to_asm+0x40/0x70
[  371.289680]  ? __switch_to_asm+0x34/0x70
[  371.293755]  ? __switch_to_asm+0x40/0x70
[  371.297812]  ? __switch_to_asm+0x34/0x70
[  371.301876]  ? __switch_to_asm+0x34/0x70
[  371.305937]  ? __switch_to_asm+0x34/0x70
[  371.310008]  ? __switch_to_asm+0x34/0x70
[  371.314081]  ? __switch_to_asm+0x40/0x70
[  371.318142]  ? __switch_to_asm+0x34/0x70
[  371.322217]  ? __switch_to_asm+0x40/0x70
[  371.326284]  ? graph_lock+0x170/0x170
[  371.330084]  ? graph_lock+0x170/0x170
[  371.333913]  ? graph_lock+0x170/0x170
[  371.337732]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.343268]  ? wait_consider_task+0x245/0x3bb0
[  371.347856]  ? memset+0x31/0x40
[  371.351175]  ? find_held_lock+0x36/0x1c0
[  371.355250]  ? get_signal+0x95b/0x1980
[  371.359142]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.363643]  ? _raw_spin_unlock_irq+0x27/0x80
[  371.368145]  do_group_exit+0x177/0x440
[  371.372040]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  371.377491]  ? __ia32_sys_exit+0x50/0x50
[  371.381579]  get_signal+0x8b0/0x1980
[  371.385301]  ? ptrace_notify+0x130/0x130
[  371.389382]  ? do_wait+0x57d/0xb90
[  371.392941]  ? wait_consider_task+0x3bb0/0x3bb0
[  371.397619]  ? graph_lock+0x170/0x170
[  371.401432]  ? graph_lock+0x170/0x170
[  371.405233]  ? graph_lock+0x170/0x170
[  371.409049]  do_signal+0x9c/0x21e0
[  371.412593]  ? find_held_lock+0x36/0x1c0
[  371.416661]  ? setup_sigcontext+0x7d0/0x7d0
[  371.420985]  ? kernel_wait4+0x2e0/0x3f0
[  371.424964]  ? __ia32_sys_waitid+0x140/0x140
[  371.429500]  ? task_stopped_code+0x190/0x190
[  371.433914]  ? exit_to_usermode_loop+0x8c/0x380
[  371.438598]  ? __do_page_fault+0x4a6/0xed0
[  371.442852]  ? do_syscall_64+0x9a/0x820
[  371.446828]  ? do_syscall_64+0x9a/0x820
[  371.450838]  exit_to_usermode_loop+0x2e5/0x380
[  371.455427]  ? syscall_slow_exit_work+0x520/0x520
[  371.460285]  do_syscall_64+0x6be/0x820
[  371.464172]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  371.469562]  ? syscall_return_slowpath+0x5e0/0x5e0
[  371.474486]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.479361]  ? trace_hardirqs_on_caller+0x310/0x310
[  371.484382]  ? prepare_exit_to_usermode+0x291/0x3b0
[  371.489407]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  371.494256]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  371.499444] RIP: 0033:0x41124a
[  371.502639] Code: Bad RIP value.
[  371.506015] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  371.513731] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  371.521010] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  371.528274] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  371.535546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  371.542817] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  371.550123] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  371.550129] warn_alloc_show_mem: 1 callbacks suppressed
[  371.550137] Mem-Info:
[  371.557413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  371.562784] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  371.562784]  active_file:8 inactive_file:19 isolated_file:0
[  371.562784]  unevictable:0 dirty:0 writeback:0 unstable:0
[  371.562784]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  371.562784]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  371.562784]  free:13709 free_pcp:257 free_cma:0
[  371.565157] Call Trace:
[  371.574542] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  371.607475]  <IRQ>
[  371.610046] Node 0 
[  371.637710]  dump_stack+0x1c4/0x2b4
[  371.639877] 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
[  371.642087]  ? dump_stack_print_info.cold.2+0x52/0x52
[  371.645688] lowmem_reserve[]: 0
[  371.671210]  warn_alloc.cold.119+0xb7/0x1bd
[  371.676370]  2819
[  371.679651]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  371.683949]  6323
[  371.686015]  ? lock_downgrade+0x900/0x900
[  371.690835]  6323
[  371.692919]  ? trace_hardirqs_off+0xb8/0x310
[  371.697055] Node 0 
[  371.699123]  ? trace_hardirqs_off+0xb8/0x310
[  371.703542] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  371.705757]  __alloc_pages_slowpath+0x2667/0x2d80
[  371.710147] lowmem_reserve[]: 0
[  371.736905]  ? warn_alloc+0x120/0x120
[  371.741703]  0
[  371.744981]  ? trace_hardirqs_on+0x310/0x310
[  371.748756]  3503
[  371.750554]  ? warn_alloc+0x120/0x120
[  371.754938]  3503
[  371.756998]  ? print_usage_bug+0xc0/0xc0
[  371.762831]  ? warn_alloc+0x120/0x120
[  371.766879] Node 0 
[  371.770671]  ? ktime_get+0x2e1/0x440
[  371.770708] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  371.772916]  ? print_usage_bug+0xc0/0xc0
[  371.776600] lowmem_reserve[]: 0
[  371.805007]  ? __lock_acquire+0x7ec/0x4ec0
[  371.809048]  0
[  371.812335]  ? __lock_acquire+0x7ec/0x4ec0
[  371.816561]  0
[  371.818368]  ? kasan_check_read+0x11/0x20
[  371.822581]  0
[  371.824415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  371.830376]  ? should_fail+0x22d/0xd01
[  371.835939] Node 0 
[  371.839819]  ? rcu_bh_qs+0xc0/0xc0
[  371.839832] DMA: 
[  371.842066]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.845588] 1*4kB 
[  371.847647]  ? __lock_acquire+0x7ec/0x4ec0
[  371.852729] (U) 
[  371.854886]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  371.859098] 0*8kB 
[  371.861077]  ? __lock_acquire+0x7ec/0x4ec0
[  371.866156] 0*16kB 
[  371.868306]  ? should_fail+0x22d/0xd01
[  371.872528] 1*32kB 
[  371.874761]  ? rcu_idle_enter+0x4b0/0x4b0
[  371.878626] (U) 
[  371.880867]  ? mark_held_locks+0x130/0x130
[  371.884991] 2*64kB (U) 
[  371.886978]  ? mark_held_locks+0x130/0x130
[  371.891196] 1*128kB 
[  371.893777]  ? mark_held_locks+0xc7/0x130
[  371.897997] (U) 
[  371.900331]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  371.904458] 1*256kB 
[  371.906428]  ? graph_lock+0x170/0x170
[  371.911441] (U) 
[  371.913763]  ? print_usage_bug+0xc0/0xc0
[  371.917542] 0*512kB 
[  371.919548]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.923590] 1*1024kB 
[  371.925916]  ? check_preemption_disabled+0x48/0x200
[  371.931426] (U) 
[  371.933839]  ? check_preemption_disabled+0x48/0x200
[  371.938836] 1*2048kB 
[  371.940818]  ? __lock_is_held+0xb5/0x140
[  371.945801] (M) 3*4096kB 
[  371.948222]  __alloc_pages_nodemask+0xa80/0xde0
[  371.952251] (M) = 15908kB
[  371.955019]  ? graph_lock+0x170/0x170
[  371.959666] Node 0 
[  371.962423]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  371.966201] DMA32: 
[  371.968440]  ? graph_lock+0x170/0x170
[  371.973435] 4*4kB 
[  371.975677]  ? find_held_lock+0x36/0x1c0
[  371.979443] (UM) 2*8kB 
[  371.981606]  ? ____cache_alloc_node+0x1c7/0x1e0
[  371.981621]  ? lock_downgrade+0x900/0x900
[  371.981643]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  371.981663]  cache_grow_begin+0x91/0x8c0
[  371.985858] (UM) 2*16kB 
[  371.988461]  ? do_raw_spin_unlock+0xa7/0x2f0
[  371.993555] (M) 
[  371.997703]  fallback_alloc+0x203/0x2e0
[  372.003886] 3*32kB (UM) 
[  372.007961]  ____cache_alloc_node+0x1c7/0x1e0
[  372.010785] 5*64kB (UM) 
[  372.015207]  kmem_cache_alloc_node+0xe3/0x730
[  372.017579] 4*128kB (UM) 
[  372.021564]  ? ipv6_get_ifaddr+0x42e/0x620
[  372.024647] 4*256kB 
[  372.029147]  __alloc_skb+0x119/0x770
[  372.031923] (UM) 
[  372.036421]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  372.039158] 3*512kB 
[  372.043391]  ? skb_scrub_packet+0x490/0x490
[  372.045716] (M) 
[  372.049461]  ? lock_downgrade+0x900/0x900
[  372.051507] 3*1024kB 
[  372.056782]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.059080] (UM) 
[  372.063405]  ? refcount_sub_and_test_checked+0x203/0x310
[  372.065365] 3*2048kB 
[  372.069512]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  372.071902] (M) 
[  372.077885]  ? addrconf_rs_timer+0x690/0x690
[  372.079929] 3*4096kB 
[  372.085383]  ndisc_alloc_skb+0x144/0x340
[  372.087762] (M) 
[  372.093211]  ndisc_send_rs+0x331/0x6e0
[  372.095164] = 25056kB
[  372.099566]  addrconf_rs_timer+0x314/0x690
[  372.101952] Node 0 
[  372.106018]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.107964] Normal: 798*4kB 
[  372.111864]  call_timer_fn+0x272/0x920
[  372.114247] (ME) 
[  372.118476]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.120692] 471*8kB 
[  372.124920]  ? process_timeout+0x40/0x40
[  372.127913] (UME) 
[  372.131792]  ? find_held_lock+0x36/0x1c0
[  372.133873] 208*16kB 
[  372.138103]  ? __run_timers+0x7da/0xc70
[  372.140403] (UME) 
[  372.144462]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.146586] 76*32kB 
[  372.150641]  ? _raw_spin_unlock_irq+0x27/0x80
[  372.153032] (UME) 
[  372.156997]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.157014]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  372.159155] 4*64kB 
[  372.163644]  ? trace_hardirqs_on+0xbd/0x310
[  372.165941] (M) 
[  372.170432]  ? kasan_check_read+0x11/0x20
[  372.172558] 1*128kB 
[  372.176797]  ? __run_timers+0x7da/0xc70
[  372.181351] (U) 1*256kB (U) 1*512kB 
[  372.183709]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  372.188008] (U) 
[  372.189977]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.194104] 0*1024kB 
[  372.196432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  372.200395] 0*2048kB 
[  372.204103]  __run_timers+0x7e5/0xc70
[  372.209526] 0*4096kB 
[  372.211504]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  372.215712] = 13872kB
[  372.218118]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  372.222342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  372.224754]  ? graph_lock+0x170/0x170
[  372.228537] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  372.230936]  ? enqueue_hrtimer+0x1a5/0x560
[  372.236279] 1299 total pagecache pages
[  372.238708]  ? lock_release+0x970/0x970
[  372.243718] 0 pages in swap cache
[  372.252573]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  372.256354] Swap cache stats: add 0, delete 0, find 0/0
[  372.264937]  ? find_held_lock+0x36/0x1c0
[  372.269172] Free swap  = 0kB
[  372.273050]  ? graph_lock+0x170/0x170
[  372.277000] Total swap = 0kB
[  372.280476]  ? pvclock_read_flags+0x160/0x160
[  372.285644] 1965979 pages RAM
[  372.291005]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.295053] 0 pages HighMem/MovableOnly
[  372.298067]  ? check_preemption_disabled+0x48/0x200
[  372.301842] 342306 pages reserved
[  372.304864]  ? __lock_is_held+0xb5/0x140
[  372.309342] 0 pages cma reserved
[  372.312452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.318043] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.321946]  ? check_preemption_disabled+0x48/0x200
[  372.327002] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.330395]  run_timer_softirq+0x52/0xb0
[  372.334430] syz-executor1 cpuset=
[  372.337796]  ? rcu_read_lock_sched_held+0x108/0x120
[  372.343311] /
[  372.349853]  __do_softirq+0x30b/0xad8
[  372.354898]  mems_allowed=0
[  372.365389]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  372.391382]  ? pvclock_read_flags+0x160/0x160
[  372.395890]  ? lapic_next_event+0x5a/0x90
[  372.400039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.405579]  ? check_preemption_disabled+0x48/0x200
[  372.410594]  ? check_preemption_disabled+0x48/0x200
[  372.415623]  ? kvm_clock_read+0x18/0x30
[  372.419597]  ? kvm_sched_clock_read+0x9/0x20
[  372.424015]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.429555]  ? check_preemption_disabled+0x48/0x200
[  372.434591]  irq_exit+0x17f/0x1c0
[  372.438049]  smp_apic_timer_interrupt+0x1cb/0x760
[  372.442891]  ? smp_reschedule_interrupt+0x109/0x650
[  372.447910]  ? smp_call_function_single_interrupt+0x650/0x650
[  372.453796]  ? interrupt_entry+0xb5/0xf0
[  372.457870]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.462885]  ? trace_hardirqs_off_caller+0xbb/0x310
[  372.467903]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.472748]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.477768]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.482808]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.488364]  ? check_preemption_disabled+0x48/0x200
[  372.493393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.498950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.503825]  apic_timer_interrupt+0xf/0x20
[  372.508050]  </IRQ>
[  372.510293] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  372.515232] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  372.534129] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  372.541840] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  372.549108] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  372.556398] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  372.563677] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  372.570941] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  372.578253]  skb_clone+0x1bb/0x500
[  372.581796]  ? finish_task_switch+0x1b5/0x900
[  372.586305]  ? skb_split+0x11e0/0x11e0
[  372.590222]  ? preempt_notifier_register+0x200/0x200
[  372.595335]  ? __switch_to_asm+0x34/0x70
[  372.599409]  ? __switch_to_asm+0x34/0x70
[  372.603494]  ? __switch_to_asm+0x40/0x70
[  372.607553]  ? __switch_to_asm+0x34/0x70
[  372.611618]  ? __switch_to_asm+0x40/0x70
[  372.615680]  ? __switch_to_asm+0x34/0x70
[  372.619760]  ? __switch_to_asm+0x40/0x70
[  372.623820]  ? __switch_to_asm+0x34/0x70
[  372.627885]  ? __switch_to_asm+0x34/0x70
[  372.631945]  ? __switch_to_asm+0x40/0x70
[  372.636004]  ? __switch_to_asm+0x34/0x70
[  372.640070]  bpf_clone_redirect+0xb9/0x490
[  372.644306]  ? __schedule+0x874/0x1ed0
[  372.648206]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  372.653224]  ? __sched_text_start+0x8/0x8
[  372.657380]  ? lockdep_hardirqs_on+0x421/0x5c0
[  372.661969]  ? retint_kernel+0x2d/0x2d
[  372.665873]  ? trace_hardirqs_on_caller+0xc0/0x310
[  372.670809]  ? find_held_lock+0x36/0x1c0
[  372.674880]  ? lock_acquire+0x1ed/0x520
[  372.678857]  ? bpf_test_run+0x3cb/0x780
[  372.682836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.688380]  ? check_preemption_disabled+0x48/0x200
[  372.693410]  ? kasan_check_read+0x11/0x20
[  372.697563]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  372.702865]  ? rcu_bh_qs+0xc0/0xc0
[  372.706416]  ? preempt_schedule+0x4d/0x60
[  372.710584]  ? ___preempt_schedule+0x16/0x18
[  372.715009]  ? bpf_test_run+0x25d/0x780
[  372.719006]  ? netlink_diag_dump+0x2a0/0x2a0
[  372.723424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.728964]  ? bpf_test_init.isra.9+0x70/0x100
[  372.733556]  ? bpf_prog_test_run_skb+0x634/0xb40
[  372.738343]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  372.743192]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  372.748737]  ? fput+0x130/0x1a0
[  372.752022]  ? __bpf_prog_get+0x9b/0x290
[  372.756088]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  372.760943]  ? bpf_prog_test_run+0x130/0x1a0
[  372.765369]  ? __x64_sys_bpf+0x3d8/0x510
[  372.769472]  ? bpf_prog_get+0x20/0x20
[  372.773296]  ? do_syscall_64+0x1b9/0x820
[  372.777376]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  372.782745]  ? syscall_return_slowpath+0x5e0/0x5e0
[  372.787695]  ? trace_hardirqs_on_caller+0x310/0x310
[  372.792713]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  372.797741]  ? recalc_sigpending_tsk+0x180/0x180
[  372.802515]  ? kasan_check_write+0x14/0x20
[  372.806761]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  372.811619]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  372.817008] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  372.817093] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  372.824289] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  372.824295] Call Trace:
[  372.824302]  <IRQ>
[  372.824329]  dump_stack+0x1c4/0x2b4
[  372.824372]  ? dump_stack_print_info.cold.2+0x52/0x52
[  372.830954] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  372.840225]  warn_alloc.cold.119+0xb7/0x1bd
[  372.842785] syz-executor4 cpuset=
[  372.844934]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  372.848541] syz4
[  372.853728]  ? lock_downgrade+0x900/0x900
[  372.864192]  mems_allowed=0
[  372.868511]  ? trace_hardirqs_off+0xb8/0x310
[  372.890169]  ? trace_hardirqs_off+0xb8/0x310
[  372.894612]  __alloc_pages_slowpath+0x2667/0x2d80
[  372.899486]  ? warn_alloc+0x120/0x120
[  372.903293]  ? warn_alloc+0x120/0x120
[  372.907118]  ? print_usage_bug+0xc0/0xc0
[  372.911193]  ? warn_alloc+0x120/0x120
[  372.914994]  ? print_usage_bug+0xc0/0xc0
[  372.919059]  ? __lock_acquire+0x7ec/0x4ec0
[  372.923292]  ? __lock_acquire+0x7ec/0x4ec0
[  372.927533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.933072]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  372.938610]  ? should_fail+0x22d/0xd01
[  372.942504]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.947604]  ? __lock_acquire+0x7ec/0x4ec0
[  372.951845]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  372.956967]  ? __lock_acquire+0x7ec/0x4ec0
[  372.961203]  ? should_fail+0x22d/0xd01
[  372.965099]  ? mark_held_locks+0x130/0x130
[  372.969354]  ? mark_held_locks+0x130/0x130
[  372.973595]  ? graph_lock+0x170/0x170
[  372.977396]  ? print_usage_bug+0xc0/0xc0
[  372.981461]  ? graph_lock+0x170/0x170
[  372.985262]  ? print_usage_bug+0xc0/0xc0
[  372.989320]  ? wq_watchdog_touch+0x9c/0xfe
[  372.993565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  372.999106]  ? check_preemption_disabled+0x48/0x200
[  373.004148]  ? check_preemption_disabled+0x48/0x200
[  373.009174]  ? __lock_is_held+0xb5/0x140
[  373.013242]  __alloc_pages_nodemask+0xa80/0xde0
[  373.017911]  ? graph_lock+0x170/0x170
[  373.021738]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  373.026750]  ? graph_lock+0x170/0x170
[  373.030559]  ? find_held_lock+0x36/0x1c0
[  373.034632]  ? ____cache_alloc_node+0x1c7/0x1e0
[  373.039316]  ? lock_downgrade+0x900/0x900
[  373.043520]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.049061]  cache_grow_begin+0x91/0x8c0
[  373.053120]  ? do_raw_spin_unlock+0xa7/0x2f0
[  373.057548]  fallback_alloc+0x203/0x2e0
[  373.061526]  ____cache_alloc_node+0x1c7/0x1e0
[  373.066028]  kmem_cache_alloc_node+0xe3/0x730
[  373.070521]  ? ipv6_get_ifaddr+0x42e/0x620
[  373.074791]  __alloc_skb+0x119/0x770
[  373.078507]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  373.083787]  ? skb_scrub_packet+0x490/0x490
[  373.088104]  ? lock_downgrade+0x900/0x900
[  373.092288]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.097831]  ? refcount_sub_and_test_checked+0x203/0x310
[  373.103287]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  373.108733]  ? addrconf_rs_timer+0x690/0x690
[  373.113155]  ndisc_alloc_skb+0x144/0x340
[  373.117222]  ndisc_send_rs+0x331/0x6e0
[  373.121116]  addrconf_rs_timer+0x314/0x690
[  373.125363]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.129619]  call_timer_fn+0x272/0x920
[  373.133512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.137748]  ? process_timeout+0x40/0x40
[  373.141809]  ? find_held_lock+0x36/0x1c0
[  373.145907]  ? mark_held_locks+0xc7/0x130
[  373.150061]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.154553]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.159056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.163287]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  373.167879]  ? trace_hardirqs_on+0xbd/0x310
[  373.172201]  ? kasan_check_read+0x11/0x20
[  373.176354]  ? __run_timers+0x7da/0xc70
[  373.180336]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.185821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.190081]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  373.194317]  __run_timers+0x7e5/0xc70
[  373.198143]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  373.203512]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.208532]  ? graph_lock+0x170/0x170
[  373.212344]  ? print_usage_bug+0xc0/0xc0
[  373.216438]  ? lock_release+0x970/0x970
[  373.220442]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  373.225655]  ? find_held_lock+0x36/0x1c0
[  373.229722]  ? graph_lock+0x170/0x170
[  373.233528]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.239085]  ? check_preemption_disabled+0x48/0x200
[  373.244112]  ? __lock_is_held+0xb5/0x140
[  373.248177]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.253717]  ? check_preemption_disabled+0x48/0x200
[  373.258742]  run_timer_softirq+0x52/0xb0
[  373.262803]  ? rcu_read_lock_sched_held+0x108/0x120
[  373.267824]  __do_softirq+0x30b/0xad8
[  373.271647]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  373.276761]  ? pvclock_read_flags+0x160/0x160
[  373.281259]  ? lapic_next_event+0x5a/0x90
[  373.285407]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.290948]  ? check_preemption_disabled+0x48/0x200
[  373.295974]  ? check_preemption_disabled+0x48/0x200
[  373.300998]  ? kvm_clock_read+0x18/0x30
[  373.304972]  ? kvm_sched_clock_read+0x9/0x20
[  373.309385]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.314930]  ? check_preemption_disabled+0x48/0x200
[  373.319960]  irq_exit+0x17f/0x1c0
[  373.323418]  smp_apic_timer_interrupt+0x1cb/0x760
[  373.328267]  ? smp_call_function_single_interrupt+0x650/0x650
[  373.334155]  ? interrupt_entry+0xb5/0xf0
[  373.338221]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.343266]  ? trace_hardirqs_off_caller+0xbb/0x310
[  373.348304]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.353176]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.358200]  ? trace_hardirqs_on_caller+0x310/0x310
[  373.363224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.368763]  ? check_preemption_disabled+0x48/0x200
[  373.373781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.379337]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  373.384221]  apic_timer_interrupt+0xf/0x20
[  373.388474]  </IRQ>
[  373.390714] RIP: 0010:lock_acquire+0x268/0x520
[  373.395297] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  373.414201] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  373.421911] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  373.429176] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  373.436442] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  373.443710] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  373.450992] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  373.458290]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.463846]  ? lock_release+0x970/0x970
[  373.467825]  ? activate_page+0x1040/0x1040
[  373.472071]  ? __unlock_page_memcg+0x53/0x100
[  373.476576]  ? check_preemption_disabled+0x48/0x200
[  373.481602]  lock_page_memcg+0x95/0x350
[  373.485578]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  373.490768]  ? rcu_bh_qs+0xc0/0xc0
[  373.494317]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  373.499549]  page_remove_rmap+0x855/0x1a30
[  373.503788]  ? page_add_file_rmap+0x1470/0x1470
[  373.508460]  ? __lock_is_held+0xb5/0x140
[  373.512667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.518248]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.523788]  ? lru_add_drain_cpu+0x1c0/0x500
[  373.528206]  ? free_pages_and_swap_cache+0x475/0x6f0
[  373.533329]  ? free_page_and_swap_cache+0x950/0x950
[  373.538364]  ? kasan_check_read+0x11/0x20
[  373.542510]  ? page_mapcount+0x3b5/0x5d0
[  373.546577]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  373.551419]  ? lock_downgrade+0x900/0x900
[  373.555571]  ? lock_release+0x970/0x970
[  373.559551]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  373.564566]  ? _vm_normal_page+0x161/0x3c0
[  373.568802]  ? __pte_alloc_kernel+0x220/0x220
[  373.573297]  ? kasan_check_write+0x14/0x20
[  373.577539]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  373.582557]  ? __tlb_remove_page_size+0x187/0x500
[  373.587404]  unmap_page_range+0xf14/0x2030
[  373.591669]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  373.596165]  ? search_extable+0x80/0xb0
[  373.600140]  ? trim_init_extable+0x3a0/0x3a0
[  373.604550]  ? __get_user_8+0x21/0x2b
[  373.608361]  ? print_usage_bug+0xc0/0xc0
[  373.612430]  ? __lock_acquire+0x7ec/0x4ec0
[  373.616661]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  373.622200]  ? no_context+0xd9/0x980
[  373.625911]  ? lock_downgrade+0x900/0x900
[  373.630071]  ? graph_lock+0x170/0x170
[  373.633890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.639427]  ? tlb_flush_mmu_free+0x135/0x1b0
[  373.643930]  ? find_held_lock+0x36/0x1c0
[  373.648011]  ? exit_mmap+0x4bb/0x590
[  373.651732]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  373.657269]  ? uprobe_munmap+0x14c/0x450
[  373.661341]  ? uprobe_mmap+0xd50/0xd50
[  373.665231]  ? lock_release+0x970/0x970
[  373.669206]  ? arch_local_save_flags+0x40/0x40
[  373.673803]  ? rwsem_down_write_failed+0xe/0x10
[  373.678496]  ? rwsem_down_write_failed+0xe/0x10
[  373.683167]  ? call_rwsem_down_write_failed+0x17/0x30
[  373.688373]  unmap_single_vma+0x19b/0x310
[  373.692561]  unmap_vmas+0x125/0x200
[  373.696197]  exit_mmap+0x2be/0x590
[  373.699762]  ? __ia32_sys_munmap+0x80/0x80
[  373.704054]  ? __might_sleep+0x95/0x190
[  373.708034]  mmput+0x247/0x610
[  373.711228]  ? lock_downgrade+0x900/0x900
[  373.715382]  ? set_mm_exe_file+0x200/0x200
[  373.719627]  ? kasan_check_read+0x11/0x20
[  373.723781]  ? do_raw_spin_unlock+0xa7/0x2f0
[  373.728206]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  373.732793]  ? kasan_check_write+0x14/0x20
[  373.737028]  ? do_raw_spin_lock+0xc1/0x200
[  373.741281]  do_exit+0xe6f/0x2610
[  373.744741]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  373.749760]  ? mm_update_next_owner+0x990/0x990
[  373.754432]  ? print_usage_bug+0xc0/0xc0
[  373.758498]  ? graph_lock+0x170/0x170
[  373.762308]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.767860]  ? check_preemption_disabled+0x48/0x200
[  373.772880]  ? check_preemption_disabled+0x48/0x200
[  373.777909]  ? print_usage_bug+0xc0/0xc0
[  373.782004]  ? __lock_acquire+0x7ec/0x4ec0
[  373.786247]  ? __lock_acquire+0x7ec/0x4ec0
[  373.790532]  ? mark_held_locks+0x130/0x130
[  373.794780]  ? mark_held_locks+0x130/0x130
[  373.799019]  ? kasan_check_write+0x14/0x20
[  373.803278]  ? finish_task_switch+0x2f5/0x900
[  373.807806]  ? __switch_to_asm+0x40/0x70
[  373.811881]  ? __switch_to_asm+0x34/0x70
[  373.815944]  ? __switch_to_asm+0x34/0x70
[  373.820009]  ? __switch_to_asm+0x40/0x70
[  373.824069]  ? __switch_to_asm+0x34/0x70
[  373.828148]  ? __switch_to_asm+0x40/0x70
[  373.832210]  ? __switch_to_asm+0x34/0x70
[  373.836277]  ? __switch_to_asm+0x34/0x70
[  373.840347]  ? __switch_to_asm+0x34/0x70
[  373.844413]  ? __switch_to_asm+0x34/0x70
[  373.848473]  ? __switch_to_asm+0x40/0x70
[  373.852536]  ? __switch_to_asm+0x34/0x70
[  373.856600]  ? __switch_to_asm+0x40/0x70
[  373.860668]  ? graph_lock+0x170/0x170
[  373.864469]  ? graph_lock+0x170/0x170
[  373.868276]  ? graph_lock+0x170/0x170
[  373.872081]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  373.877627]  ? wait_consider_task+0x245/0x3bb0
[  373.882212]  ? memset+0x31/0x40
[  373.885503]  ? find_held_lock+0x36/0x1c0
[  373.889582]  ? get_signal+0x95b/0x1980
[  373.893483]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.897981]  ? _raw_spin_unlock_irq+0x27/0x80
[  373.902486]  do_group_exit+0x177/0x440
[  373.906381]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  373.911847]  ? __ia32_sys_exit+0x50/0x50
[  373.915950]  get_signal+0x8b0/0x1980
[  373.919676]  ? ptrace_notify+0x130/0x130
[  373.923765]  ? do_wait+0x57d/0xb90
[  373.927333]  ? wait_consider_task+0x3bb0/0x3bb0
[  373.932012]  ? graph_lock+0x170/0x170
[  373.935813]  ? graph_lock+0x170/0x170
[  373.939621]  ? graph_lock+0x170/0x170
[  373.943443]  do_signal+0x9c/0x21e0
[  373.946985]  ? find_held_lock+0x36/0x1c0
[  373.951055]  ? setup_sigcontext+0x7d0/0x7d0
[  373.955379]  ? kernel_wait4+0x2e0/0x3f0
[  373.959366]  ? __ia32_sys_waitid+0x140/0x140
[  373.963786]  ? task_stopped_code+0x190/0x190
[  373.968199]  ? exit_to_usermode_loop+0x8c/0x380
[  373.972915]  ? __do_page_fault+0x4a6/0xed0
[  373.977156]  ? do_syscall_64+0x9a/0x820
[  373.981147]  ? do_syscall_64+0x9a/0x820
[  373.985133]  exit_to_usermode_loop+0x2e5/0x380
[  373.989721]  ? syscall_slow_exit_work+0x520/0x520
[  373.994578]  do_syscall_64+0x6be/0x820
[  373.998467]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  374.003833]  ? syscall_return_slowpath+0x5e0/0x5e0
[  374.008773]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.013636]  ? trace_hardirqs_on_caller+0x310/0x310
[  374.018665]  ? prepare_exit_to_usermode+0x291/0x3b0
[  374.023688]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  374.028544]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  374.033734] RIP: 0033:0x41124a
[  374.036946] Code: Bad RIP value.
[  374.040309] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  374.048041] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  374.055318] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  374.062598] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  374.069866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  374.077259] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  374.084550] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  374.084556] warn_alloc_show_mem: 1 callbacks suppressed
[  374.084563] Mem-Info:
[  374.091845] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  374.097219] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  374.097219]  active_file:8 inactive_file:19 isolated_file:0
[  374.097219]  unevictable:0 dirty:0 writeback:0 unstable:0
[  374.097219]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  374.097219]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  374.097219]  free:13709 free_pcp:257 free_cma:0
[  374.099596] Call Trace:
[  374.108984] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  374.141923]  <IRQ>
[  374.144499] Node 0 
[  374.172874]  dump_stack+0x1c4/0x2b4
[  374.172893]  ? dump_stack_print_info.cold.2+0x52/0x52
[  374.175049] 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
[  374.177291]  warn_alloc.cold.119+0xb7/0x1bd
[  374.180882] lowmem_reserve[]:
[  374.186234]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  374.211722]  0
[  374.216045]  ? lock_downgrade+0x900/0x900
[  374.219130]  2819
[  374.223975]  ? trace_hardirqs_off+0xb8/0x310
[  374.225751]  6323
[  374.229895]  ? trace_hardirqs_off+0xb8/0x310
[  374.231938]  6323
[  374.236360]  __alloc_pages_slowpath+0x2667/0x2d80
[  374.242834]  ? warn_alloc+0x120/0x120
[  374.244857] Node 0 
[  374.249695]  ? trace_hardirqs_on+0x310/0x310
[  374.253497] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  374.255705]  ? warn_alloc+0x120/0x120
[  374.260089] lowmem_reserve[]:
[  374.286808]  ? print_usage_bug+0xc0/0xc0
[  374.290602]  0
[  374.293705]  ? warn_alloc+0x120/0x120
[  374.297743]  0
[  374.299542]  ? ktime_get+0x2e1/0x440
[  374.303312]  3503 3503
[  374.305137]  ? print_usage_bug+0xc0/0xc0
[  374.308846] Node 0 
[  374.311347]  ? __lock_acquire+0x7ec/0x4ec0
[  374.315415] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  374.317624]  ? __lock_acquire+0x7ec/0x4ec0
[  374.321827] lowmem_reserve[]: 0
[  374.350216]  ? kasan_check_read+0x11/0x20
[  374.354440]  0
[  374.357724]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  374.361844]  0
[  374.363648]  ? should_fail+0x22d/0xd01
[  374.369159]  0
[  374.370963]  ? rcu_bh_qs+0xc0/0xc0
[  374.376626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.380141] Node 0 
[  374.385235]  ? __lock_acquire+0x7ec/0x4ec0
[  374.385238] DMA: 1*4kB 
[  374.387484]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  374.391694] (U) 
[  374.394272]  ? __lock_acquire+0x7ec/0x4ec0
[  374.399360] 0*8kB 
[  374.401359]  ? should_fail+0x22d/0xd01
[  374.405583] 0*16kB 
[  374.407745]  ? rcu_idle_enter+0x4b0/0x4b0
[  374.411613] 1*32kB 
[  374.413855]  ? mark_held_locks+0x130/0x130
[  374.418004] (U) 
[  374.420266]  ? mark_held_locks+0x130/0x130
[  374.424501] 2*64kB 
[  374.426503]  ? mark_held_locks+0xc7/0x130
[  374.430708] (U) 
[  374.432956]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  374.437079] 1*128kB 
[  374.439053]  ? graph_lock+0x170/0x170
[  374.444042] (U) 1*256kB 
[  374.446376]  ? print_usage_bug+0xc0/0xc0
[  374.450168] (U) 
[  374.452841]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.456887] 0*512kB 
[  374.458858]  ? check_preemption_disabled+0x48/0x200
[  374.464378] 1*1024kB 
[  374.466711]  ? check_preemption_disabled+0x48/0x200
[  374.471715] (U) 
[  374.474126]  ? __lock_is_held+0xb5/0x140
[  374.479112] 1*2048kB 
[  374.481091]  __alloc_pages_nodemask+0xa80/0xde0
[  374.485128] (M) 
[  374.487534]  ? graph_lock+0x170/0x170
[  374.492193] 3*4096kB 
[  374.494167]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  374.497942] (M) 
[  374.500361]  ? graph_lock+0x170/0x170
[  374.505363] = 15908kB
[  374.507348]  ? find_held_lock+0x36/0x1c0
[  374.511134] Node 0 
[  374.513550]  ? ____cache_alloc_node+0x1c7/0x1e0
[  374.517585] DMA32: 
[  374.519819]  ? lock_downgrade+0x900/0x900
[  374.524469] 4*4kB 
[  374.526710]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.530829] (UM) 
[  374.533001]  cache_grow_begin+0x91/0x8c0
[  374.538528] 2*8kB 
[  374.540592]  ? do_raw_spin_unlock+0xa7/0x2f0
[  374.544626] (UM) 
[  374.546778]  fallback_alloc+0x203/0x2e0
[  374.551161] 2*16kB 
[  374.553233]  ____cache_alloc_node+0x1c7/0x1e0
[  374.557194] (M) 
[  374.559442]  kmem_cache_alloc_node+0xe3/0x730
[  374.563913] 3*32kB 
[  374.565890]  ? ipv6_get_ifaddr+0x42e/0x620
[  374.570352] (UM) 5*64kB (UM) 
[  374.572611]  __alloc_skb+0x119/0x770
[  374.576816] 4*128kB (UM) 
[  374.579933]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  374.583620] 4*256kB 
[  374.586407]  ? skb_scrub_packet+0x490/0x490
[  374.591657] (UM) 3*512kB 
[  374.594002]  ? lock_downgrade+0x900/0x900
[  374.598301] (M) 
[  374.601074]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.605195] 3*1024kB 
[  374.607170]  ? refcount_sub_and_test_checked+0x203/0x310
[  374.612678] (UM) 3*2048kB 
[  374.615107]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  374.620534] (M) 
[  374.623389]  ? addrconf_rs_timer+0x690/0x690
[  374.628816] 3*4096kB 
[  374.630798]  ndisc_alloc_skb+0x144/0x340
[  374.635175] (M) 
[  374.637585]  ndisc_send_rs+0x331/0x6e0
[  374.641622] = 25056kB
[  374.643596]  addrconf_rs_timer+0x314/0x690
[  374.647460] Node 0 
[  374.649866]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.654078] Normal: 
[  374.656343]  call_timer_fn+0x272/0x920
[  374.660543] 798*4kB 
[  374.662859]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.666726] (ME) 
[  374.669055]  ? process_timeout+0x40/0x40
[  374.673265] 471*8kB 
[  374.675332]  ? find_held_lock+0x36/0x1c0
[  374.679368] (UME) 
[  374.681694]  ? __run_timers+0x7da/0xc70
[  374.685728] 208*16kB 
[  374.687881]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.691825] (UME) 
[  374.694232]  ? _raw_spin_unlock_irq+0x27/0x80
[  374.698702] 76*32kB 
[  374.700843]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.705317] (UME) 
[  374.707641]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  374.711858] 4*64kB 
[  374.713998]  ? trace_hardirqs_on+0xbd/0x310
[  374.718550] (M) 
[  374.720791]  ? kasan_check_read+0x11/0x20
[  374.725081] 1*128kB (U) 
[  374.727059]  ? __run_timers+0x7da/0xc70
[  374.731356] 1*256kB (U) 
[  374.734037]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  374.737989] 1*512kB 
[  374.740650]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.746074] (U) 
[  374.748394]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  374.752603] 0*1024kB 
[  374.754572]  __run_timers+0x7e5/0xc70
[  374.758781] 0*2048kB 
[  374.761202]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  374.764968] 0*4096kB 
[  374.767382]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  374.772719] = 13872kB
[  374.775122]  ? graph_lock+0x170/0x170
[  374.780122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  374.782519]  ? enqueue_hrtimer+0x1a5/0x560
[  374.786300] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  374.795145]  ? lock_release+0x970/0x970
[  374.799404] 1299 total pagecache pages
[  374.807970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  374.811930] 0 pages in swap cache
[  374.815836]  ? find_held_lock+0x36/0x1c0
[  374.821022] Swap cache stats: add 0, delete 0, find 0/0
[  374.821031] Free swap  = 0kB
[  374.824487]  ? graph_lock+0x170/0x170
[  374.828530] Total swap = 0kB
[  374.833887]  ? pvclock_read_flags+0x160/0x160
[  374.836885] 1965979 pages RAM
[  374.840684]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.843682] 0 pages HighMem/MovableOnly
[  374.848173]  ? check_preemption_disabled+0x48/0x200
[  374.851251] 342306 pages reserved
[  374.856787]  ? __lock_is_held+0xb5/0x140
[  374.860730] 0 pages cma reserved
[  374.865742]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.869263] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  374.873236]  ? check_preemption_disabled+0x48/0x200
[  374.876643] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  374.882118]  run_timer_softirq+0x52/0xb0
[  374.888592] syz-executor1 cpuset=
[  374.893610]  ? rcu_read_lock_sched_held+0x108/0x120
[  374.904099] /
[  374.908157]  __do_softirq+0x30b/0xad8
[  374.911593]  mems_allowed=0
[  374.916606]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  374.930136]  ? pvclock_read_flags+0x160/0x160
[  374.934634]  ? lapic_next_event+0x5a/0x90
[  374.938783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.944330]  ? check_preemption_disabled+0x48/0x200
[  374.949364]  ? check_preemption_disabled+0x48/0x200
[  374.954431]  ? kvm_clock_read+0x18/0x30
[  374.958406]  ? kvm_sched_clock_read+0x9/0x20
[  374.962844]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  374.968394]  ? check_preemption_disabled+0x48/0x200
[  374.973421]  irq_exit+0x17f/0x1c0
[  374.976871]  smp_apic_timer_interrupt+0x1cb/0x760
[  374.981711]  ? smp_reschedule_interrupt+0x109/0x650
[  374.986903]  ? smp_call_function_single_interrupt+0x650/0x650
[  374.992786]  ? interrupt_entry+0xb5/0xf0
[  374.996863]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.001886]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.006907]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.011754]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.016769]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.021811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.027361]  ? check_preemption_disabled+0x48/0x200
[  375.032394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.037936]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.042791]  apic_timer_interrupt+0xf/0x20
[  375.047022]  </IRQ>
[  375.049269] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  375.054206] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  375.073107] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.081258] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  375.088524] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  375.095792] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  375.103057] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  375.110336] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  375.117663]  skb_clone+0x1bb/0x500
[  375.121207]  ? finish_task_switch+0x1b5/0x900
[  375.125703]  ? skb_split+0x11e0/0x11e0
[  375.129593]  ? preempt_notifier_register+0x200/0x200
[  375.134698]  ? __switch_to_asm+0x34/0x70
[  375.138763]  ? __switch_to_asm+0x34/0x70
[  375.142844]  ? __switch_to_asm+0x40/0x70
[  375.146907]  ? __switch_to_asm+0x34/0x70
[  375.150966]  ? __switch_to_asm+0x40/0x70
[  375.155027]  ? __switch_to_asm+0x34/0x70
[  375.159085]  ? __switch_to_asm+0x40/0x70
[  375.163190]  ? __switch_to_asm+0x34/0x70
[  375.167255]  ? __switch_to_asm+0x34/0x70
[  375.171311]  ? __switch_to_asm+0x40/0x70
[  375.175411]  ? __switch_to_asm+0x34/0x70
[  375.179481]  bpf_clone_redirect+0xb9/0x490
[  375.183715]  ? __schedule+0x874/0x1ed0
[  375.187610]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  375.192633]  ? __sched_text_start+0x8/0x8
[  375.196790]  ? lockdep_hardirqs_on+0x421/0x5c0
[  375.201386]  ? retint_kernel+0x2d/0x2d
[  375.205304]  ? trace_hardirqs_on_caller+0xc0/0x310
[  375.210248]  ? find_held_lock+0x36/0x1c0
[  375.214317]  ? lock_acquire+0x1ed/0x520
[  375.218311]  ? bpf_test_run+0x3cb/0x780
[  375.222300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.227857]  ? check_preemption_disabled+0x48/0x200
[  375.232903]  ? kasan_check_read+0x11/0x20
[  375.237058]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  375.242349]  ? rcu_bh_qs+0xc0/0xc0
[  375.245899]  ? preempt_schedule+0x4d/0x60
[  375.250051]  ? ___preempt_schedule+0x16/0x18
[  375.254470]  ? bpf_test_run+0x25d/0x780
[  375.258460]  ? netlink_diag_dump+0x2a0/0x2a0
[  375.262871]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.268414]  ? bpf_test_init.isra.9+0x70/0x100
[  375.273002]  ? bpf_prog_test_run_skb+0x634/0xb40
[  375.277766]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  375.282634]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  375.288180]  ? fput+0x130/0x1a0
[  375.291465]  ? __bpf_prog_get+0x9b/0x290
[  375.295567]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  375.300409]  ? bpf_prog_test_run+0x130/0x1a0
[  375.304830]  ? __x64_sys_bpf+0x3d8/0x510
[  375.308894]  ? bpf_prog_get+0x20/0x20
[  375.312736]  ? do_syscall_64+0x1b9/0x820
[  375.316795]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  375.322171]  ? syscall_return_slowpath+0x5e0/0x5e0
[  375.327103]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.332121]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  375.337139]  ? recalc_sigpending_tsk+0x180/0x180
[  375.341894]  ? kasan_check_write+0x14/0x20
[  375.346143]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.350999]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  375.356389] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  375.356485] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  375.363671] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  375.363677] Call Trace:
[  375.363685]  <IRQ>
[  375.363704]  dump_stack+0x1c4/0x2b4
[  375.363723]  ? dump_stack_print_info.cold.2+0x52/0x52
[  375.370292] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  375.379562]  warn_alloc.cold.119+0xb7/0x1bd
[  375.382120] syz-executor4 cpuset=
[  375.384268]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  375.387907] syz4
[  375.393095]  ? lock_downgrade+0x900/0x900
[  375.403571]  mems_allowed=0
[  375.407889]  ? trace_hardirqs_off+0xb8/0x310
[  375.429562]  ? trace_hardirqs_off+0xb8/0x310
[  375.433984]  __alloc_pages_slowpath+0x2667/0x2d80
[  375.438866]  ? warn_alloc+0x120/0x120
[  375.442676]  ? warn_alloc+0x120/0x120
[  375.446483]  ? print_usage_bug+0xc0/0xc0
[  375.450547]  ? warn_alloc+0x120/0x120
[  375.454419]  ? print_usage_bug+0xc0/0xc0
[  375.458489]  ? __lock_acquire+0x7ec/0x4ec0
[  375.462726]  ? __lock_acquire+0x7ec/0x4ec0
[  375.466965]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.472519]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  375.478073]  ? should_fail+0x22d/0xd01
[  375.481973]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.487078]  ? __lock_acquire+0x7ec/0x4ec0
[  375.491321]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  375.496436]  ? __lock_acquire+0x7ec/0x4ec0
[  375.500667]  ? should_fail+0x22d/0xd01
[  375.504664]  ? mark_held_locks+0x130/0x130
[  375.508906]  ? mark_held_locks+0x130/0x130
[  375.513151]  ? graph_lock+0x170/0x170
[  375.516958]  ? print_usage_bug+0xc0/0xc0
[  375.521016]  ? graph_lock+0x170/0x170
[  375.524819]  ? print_usage_bug+0xc0/0xc0
[  375.528883]  ? wq_watchdog_touch+0x9c/0xfe
[  375.533120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.538657]  ? check_preemption_disabled+0x48/0x200
[  375.543670]  ? check_preemption_disabled+0x48/0x200
[  375.548695]  ? __lock_is_held+0xb5/0x140
[  375.552763]  __alloc_pages_nodemask+0xa80/0xde0
[  375.557434]  ? graph_lock+0x170/0x170
[  375.561240]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  375.566253]  ? graph_lock+0x170/0x170
[  375.570089]  ? find_held_lock+0x36/0x1c0
[  375.574159]  ? ____cache_alloc_node+0x1c7/0x1e0
[  375.578840]  ? lock_downgrade+0x900/0x900
[  375.583000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.588543]  cache_grow_begin+0x91/0x8c0
[  375.592632]  ? do_raw_spin_unlock+0xa7/0x2f0
[  375.597057]  fallback_alloc+0x203/0x2e0
[  375.601075]  ____cache_alloc_node+0x1c7/0x1e0
[  375.605586]  kmem_cache_alloc_node+0xe3/0x730
[  375.610085]  ? ipv6_get_ifaddr+0x42e/0x620
[  375.614333]  __alloc_skb+0x119/0x770
[  375.618051]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  375.623340]  ? skb_scrub_packet+0x490/0x490
[  375.627668]  ? lock_downgrade+0x900/0x900
[  375.631837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.637382]  ? refcount_sub_and_test_checked+0x203/0x310
[  375.642838]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  375.648292]  ? addrconf_rs_timer+0x690/0x690
[  375.652729]  ndisc_alloc_skb+0x144/0x340
[  375.656795]  ndisc_send_rs+0x331/0x6e0
[  375.660688]  addrconf_rs_timer+0x314/0x690
[  375.664930]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.669183]  call_timer_fn+0x272/0x920
[  375.673070]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.677303]  ? process_timeout+0x40/0x40
[  375.681383]  ? find_held_lock+0x36/0x1c0
[  375.685455]  ? mark_held_locks+0xc7/0x130
[  375.689614]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.694117]  ? _raw_spin_unlock_irq+0x27/0x80
[  375.698614]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.702879]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  375.707465]  ? trace_hardirqs_on+0xbd/0x310
[  375.711818]  ? kasan_check_read+0x11/0x20
[  375.715995]  ? __run_timers+0x7da/0xc70
[  375.719990]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  375.725446]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.729697]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  375.733937]  __run_timers+0x7e5/0xc70
[  375.737791]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  375.743187]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  375.748205]  ? graph_lock+0x170/0x170
[  375.752014]  ? print_usage_bug+0xc0/0xc0
[  375.756091]  ? lock_release+0x970/0x970
[  375.760069]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  375.765267]  ? find_held_lock+0x36/0x1c0
[  375.769366]  ? graph_lock+0x170/0x170
[  375.773173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.778718]  ? check_preemption_disabled+0x48/0x200
[  375.783749]  ? __lock_is_held+0xb5/0x140
[  375.787835]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.793381]  ? check_preemption_disabled+0x48/0x200
[  375.798420]  run_timer_softirq+0x52/0xb0
[  375.802498]  ? rcu_read_lock_sched_held+0x108/0x120
[  375.807533]  __do_softirq+0x30b/0xad8
[  375.811354]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  375.816480]  ? pvclock_read_flags+0x160/0x160
[  375.820975]  ? lapic_next_event+0x5a/0x90
[  375.825124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.830666]  ? check_preemption_disabled+0x48/0x200
[  375.835682]  ? check_preemption_disabled+0x48/0x200
[  375.840712]  ? kvm_clock_read+0x18/0x30
[  375.844699]  ? kvm_sched_clock_read+0x9/0x20
[  375.849110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.854653]  ? check_preemption_disabled+0x48/0x200
[  375.859688]  irq_exit+0x17f/0x1c0
[  375.863148]  smp_apic_timer_interrupt+0x1cb/0x760
[  375.867990]  ? smp_call_function_single_interrupt+0x650/0x650
[  375.873883]  ? interrupt_entry+0xb5/0xf0
[  375.877960]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.883001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  375.888021]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.892882]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.897898]  ? trace_hardirqs_on_caller+0x310/0x310
[  375.902914]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.908453]  ? check_preemption_disabled+0x48/0x200
[  375.913472]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  375.919018]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  375.923874]  apic_timer_interrupt+0xf/0x20
[  375.928103]  </IRQ>
[  375.930351] RIP: 0010:lock_acquire+0x268/0x520
[  375.934937] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  375.953839] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  375.961556] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  375.968824] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  375.976095] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  375.983369] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  375.990647] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  375.997956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.003500]  ? lock_release+0x970/0x970
[  376.007475]  ? activate_page+0x1040/0x1040
[  376.011738]  ? __unlock_page_memcg+0x53/0x100
[  376.016240]  ? check_preemption_disabled+0x48/0x200
[  376.021265]  lock_page_memcg+0x95/0x350
[  376.025244]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  376.030442]  ? rcu_bh_qs+0xc0/0xc0
[  376.034013]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  376.039230]  page_remove_rmap+0x855/0x1a30
[  376.043473]  ? page_add_file_rmap+0x1470/0x1470
[  376.048155]  ? __lock_is_held+0xb5/0x140
[  376.052254]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.057805]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.063351]  ? lru_add_drain_cpu+0x1c0/0x500
[  376.067773]  ? free_pages_and_swap_cache+0x475/0x6f0
[  376.072899]  ? free_page_and_swap_cache+0x950/0x950
[  376.078034]  ? kasan_check_read+0x11/0x20
[  376.082186]  ? page_mapcount+0x3b5/0x5d0
[  376.086429]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  376.091287]  ? lock_downgrade+0x900/0x900
[  376.095437]  ? lock_release+0x970/0x970
[  376.099412]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  376.104428]  ? _vm_normal_page+0x161/0x3c0
[  376.108671]  ? __pte_alloc_kernel+0x220/0x220
[  376.113171]  ? kasan_check_write+0x14/0x20
[  376.117405]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  376.122422]  ? __tlb_remove_page_size+0x187/0x500
[  376.127287]  unmap_page_range+0xf14/0x2030
[  376.131546]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  376.136048]  ? search_extable+0x80/0xb0
[  376.140030]  ? trim_init_extable+0x3a0/0x3a0
[  376.144441]  ? __get_user_8+0x21/0x2b
[  376.148242]  ? print_usage_bug+0xc0/0xc0
[  376.152313]  ? __lock_acquire+0x7ec/0x4ec0
[  376.156572]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  376.162114]  ? no_context+0xd9/0x980
[  376.165836]  ? lock_downgrade+0x900/0x900
[  376.170011]  ? graph_lock+0x170/0x170
[  376.173829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.179375]  ? tlb_flush_mmu_free+0x135/0x1b0
[  376.184368]  ? find_held_lock+0x36/0x1c0
[  376.188442]  ? exit_mmap+0x4bb/0x590
[  376.192158]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.197695]  ? uprobe_munmap+0x14c/0x450
[  376.201797]  ? uprobe_mmap+0xd50/0xd50
[  376.205683]  ? lock_release+0x970/0x970
[  376.209663]  ? arch_local_save_flags+0x40/0x40
[  376.214256]  ? rwsem_down_write_failed+0xe/0x10
[  376.218929]  ? rwsem_down_write_failed+0xe/0x10
[  376.223598]  ? call_rwsem_down_write_failed+0x17/0x30
[  376.228796]  unmap_single_vma+0x19b/0x310
[  376.232957]  unmap_vmas+0x125/0x200
[  376.236593]  exit_mmap+0x2be/0x590
[  376.240136]  ? __ia32_sys_munmap+0x80/0x80
[  376.244406]  ? __might_sleep+0x95/0x190
[  376.248417]  mmput+0x247/0x610
[  376.251625]  ? lock_downgrade+0x900/0x900
[  376.255772]  ? set_mm_exe_file+0x200/0x200
[  376.260030]  ? kasan_check_read+0x11/0x20
[  376.264183]  ? do_raw_spin_unlock+0xa7/0x2f0
[  376.268595]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  376.273184]  ? kasan_check_write+0x14/0x20
[  376.277433]  ? do_raw_spin_lock+0xc1/0x200
[  376.281678]  do_exit+0xe6f/0x2610
[  376.285132]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  376.290162]  ? mm_update_next_owner+0x990/0x990
[  376.294835]  ? print_usage_bug+0xc0/0xc0
[  376.298925]  ? graph_lock+0x170/0x170
[  376.302728]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.308268]  ? check_preemption_disabled+0x48/0x200
[  376.313286]  ? check_preemption_disabled+0x48/0x200
[  376.318303]  ? print_usage_bug+0xc0/0xc0
[  376.322379]  ? __lock_acquire+0x7ec/0x4ec0
[  376.326628]  ? __lock_acquire+0x7ec/0x4ec0
[  376.330922]  ? mark_held_locks+0x130/0x130
[  376.335172]  ? mark_held_locks+0x130/0x130
[  376.339407]  ? kasan_check_write+0x14/0x20
[  376.343644]  ? finish_task_switch+0x2f5/0x900
[  376.348153]  ? __switch_to_asm+0x40/0x70
[  376.352243]  ? __switch_to_asm+0x34/0x70
[  376.356321]  ? __switch_to_asm+0x34/0x70
[  376.360397]  ? __switch_to_asm+0x40/0x70
[  376.364473]  ? __switch_to_asm+0x34/0x70
[  376.368533]  ? __switch_to_asm+0x40/0x70
[  376.372630]  ? __switch_to_asm+0x34/0x70
[  376.376689]  ? __switch_to_asm+0x34/0x70
[  376.380751]  ? __switch_to_asm+0x34/0x70
[  376.384812]  ? __switch_to_asm+0x34/0x70
[  376.388877]  ? __switch_to_asm+0x40/0x70
[  376.392939]  ? __switch_to_asm+0x34/0x70
[  376.397003]  ? __switch_to_asm+0x40/0x70
[  376.401069]  ? graph_lock+0x170/0x170
[  376.404869]  ? graph_lock+0x170/0x170
[  376.408674]  ? graph_lock+0x170/0x170
[  376.412480]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  376.418018]  ? wait_consider_task+0x245/0x3bb0
[  376.422619]  ? memset+0x31/0x40
[  376.425916]  ? find_held_lock+0x36/0x1c0
[  376.429994]  ? get_signal+0x95b/0x1980
[  376.433892]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.438390]  ? _raw_spin_unlock_irq+0x27/0x80
[  376.442897]  do_group_exit+0x177/0x440
[  376.446790]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  376.452241]  ? __ia32_sys_exit+0x50/0x50
[  376.456315]  get_signal+0x8b0/0x1980
[  376.460079]  ? ptrace_notify+0x130/0x130
[  376.464150]  ? do_wait+0x57d/0xb90
[  376.467728]  ? wait_consider_task+0x3bb0/0x3bb0
[  376.472394]  ? graph_lock+0x170/0x170
[  376.476215]  ? graph_lock+0x170/0x170
[  376.480020]  ? graph_lock+0x170/0x170
[  376.483839]  do_signal+0x9c/0x21e0
[  376.487392]  ? find_held_lock+0x36/0x1c0
[  376.491464]  ? setup_sigcontext+0x7d0/0x7d0
[  376.495786]  ? kernel_wait4+0x2e0/0x3f0
[  376.499763]  ? __ia32_sys_waitid+0x140/0x140
[  376.504365]  ? task_stopped_code+0x190/0x190
[  376.508781]  ? exit_to_usermode_loop+0x8c/0x380
[  376.513473]  ? __do_page_fault+0x4a6/0xed0
[  376.517724]  ? do_syscall_64+0x9a/0x820
[  376.521711]  ? do_syscall_64+0x9a/0x820
[  376.525692]  exit_to_usermode_loop+0x2e5/0x380
[  376.530281]  ? syscall_slow_exit_work+0x520/0x520
[  376.535142]  do_syscall_64+0x6be/0x820
[  376.539031]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  376.544405]  ? syscall_return_slowpath+0x5e0/0x5e0
[  376.549349]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.554192]  ? trace_hardirqs_on_caller+0x310/0x310
[  376.559212]  ? prepare_exit_to_usermode+0x291/0x3b0
[  376.564251]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  376.569118]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  376.574310] RIP: 0033:0x41124a
[  376.577518] Code: Bad RIP value.
[  376.580877] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  376.588587] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  376.595858] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  376.603126] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  376.610393] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  376.617658] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  376.624948] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  376.624954] warn_alloc_show_mem: 1 callbacks suppressed
[  376.624960] Mem-Info:
[  376.632235] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  376.637623] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  376.637623]  active_file:8 inactive_file:19 isolated_file:0
[  376.637623]  unevictable:0 dirty:0 writeback:0 unstable:0
[  376.637623]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  376.637623]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  376.637623]  free:13709 free_pcp:257 free_cma:0
[  376.639996] Call Trace:
[  376.649395] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  376.682334]  <IRQ>
[  376.684902] Node 0 
[  376.712570]  dump_stack+0x1c4/0x2b4
[  376.714737] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  376.716944]  ? dump_stack_print_info.cold.2+0x52/0x52
[  376.720547] lowmem_reserve[]:
[  376.746051]  warn_alloc.cold.119+0xb7/0x1bd
[  376.751211]  0
[  376.754310]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  376.758611]  2819
[  376.760411]  ? lock_downgrade+0x900/0x900
[  376.765228]  6323
[  376.767288]  ? trace_hardirqs_off+0xb8/0x310
[  376.771405]  6323
[  376.773502]  ? trace_hardirqs_off+0xb8/0x310
[  376.777883] Node 0 
[  376.779954]  __alloc_pages_slowpath+0x2667/0x2d80
[  376.784383] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  376.784391] lowmem_reserve[]:
[  376.786672]  ? warn_alloc+0x120/0x120
[  376.791454]  0
[  376.818165]  ? trace_hardirqs_on+0x310/0x310
[  376.821257]  0
[  376.825055]  ? warn_alloc+0x120/0x120
[  376.826836]  3503
[  376.831236]  ? print_usage_bug+0xc0/0xc0
[  376.833009]  3503
[  376.836813]  ? warn_alloc+0x120/0x120
[  376.838860] Node 0 
[  376.842910]  ? ktime_get+0x2e1/0x440
[  376.844973] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  376.848759]  ? print_usage_bug+0xc0/0xc0
[  376.850974] lowmem_reserve[]:
[  376.854682]  ? __lock_acquire+0x7ec/0x4ec0
[  376.883016]  0 0
[  376.887083]  ? __lock_acquire+0x7ec/0x4ec0
[  376.890169]  0
[  376.894403]  ? kasan_check_read+0x11/0x20
[  376.896355]  0
[  376.896370] Node 0 
[  376.900604]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  376.902408] DMA: 
[  376.906565]  ? should_fail+0x22d/0xd01
[  376.908351] 1*4kB 
[  376.910589]  ? rcu_bh_qs+0xc0/0xc0
[  376.916114] (U) 
[  376.918177]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.922042] 0*8kB 
[  376.924188]  ? __lock_acquire+0x7ec/0x4ec0
[  376.927707] 0*16kB 
[  376.929682]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  376.934786] 1*32kB (U) 
[  376.936945]  ? __lock_acquire+0x7ec/0x4ec0
[  376.941156] 2*64kB 
[  376.943403]  ? should_fail+0x22d/0xd01
[  376.948483] (U) 
[  376.951063]  ? rcu_idle_enter+0x4b0/0x4b0
[  376.955269] 1*128kB (U) 
[  376.957522]  ? mark_held_locks+0x130/0x130
[  376.961385] 1*256kB 
[  376.963370]  ? mark_held_locks+0x130/0x130
[  376.967489] (U) 
[  376.970157]  ? mark_held_locks+0xc7/0x130
[  376.974371] 0*512kB 1*1024kB 
[  376.976705]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  376.980912] (U) 
[  376.982886]  ? graph_lock+0x170/0x170
[  376.987137] 1*2048kB 
[  376.990237]  ? print_usage_bug+0xc0/0xc0
[  376.995233] (M) 
[  376.997214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.000990] 3*4096kB 
[  377.003413]  ? check_preemption_disabled+0x48/0x200
[  377.007447] (M) 
[  377.009424]  ? check_preemption_disabled+0x48/0x200
[  377.014936] = 15908kB
[  377.017380]  ? __lock_is_held+0xb5/0x140
[  377.022358] Node 0 DMA32: 
[  377.024375]  __alloc_pages_nodemask+0xa80/0xde0
[  377.029368] 4*4kB 
[  377.031793]  ? graph_lock+0x170/0x170
[  377.035834] (UM) 
[  377.038677]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  377.043320] 2*8kB 
[  377.045480]  ? graph_lock+0x170/0x170
[  377.049253] (UM) 2*16kB 
[  377.051341]  ? find_held_lock+0x36/0x1c0
[  377.056335] (M) 
[  377.058498]  ? ____cache_alloc_node+0x1c7/0x1e0
[  377.062270] 3*32kB 
[  377.064940]  ? lock_downgrade+0x900/0x900
[  377.068980] (UM) 
[  377.070960]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.075609] 5*64kB 
[  377.077841]  cache_grow_begin+0x91/0x8c0
[  377.081967] (UM) 
[  377.084029]  ? do_raw_spin_unlock+0xa7/0x2f0
[  377.089628] 4*128kB 
[  377.091877]  fallback_alloc+0x203/0x2e0
[  377.095913] (UM) 
[  377.097989]  ____cache_alloc_node+0x1c7/0x1e0
[  377.102375] 4*256kB 
[  377.104698]  kmem_cache_alloc_node+0xe3/0x730
[  377.108648] (UM) 
[  377.110710]  ? ipv6_get_ifaddr+0x42e/0x620
[  377.115193] 3*512kB (M) 
[  377.117531]  __alloc_skb+0x119/0x770
[  377.121999] 3*1024kB 
[  377.124058]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  377.128266] (UM) 
[  377.130932]  ? skb_scrub_packet+0x490/0x490
[  377.134624] 3*2048kB 
[  377.137030]  ? lock_downgrade+0x900/0x900
[  377.142286] (M) 
[  377.144386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.148682] 3*4096kB 
[  377.151093]  ? refcount_sub_and_test_checked+0x203/0x310
[  377.155214] (M) 
[  377.157190]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  377.162706] = 25056kB
[  377.165112]  ? addrconf_rs_timer+0x690/0x690
[  377.170536] Node 0 
[  377.172514]  ndisc_alloc_skb+0x144/0x340
[  377.177930] Normal: 
[  377.180343]  ndisc_send_rs+0x331/0x6e0
[  377.184991] 798*4kB 
[  377.187225]  addrconf_rs_timer+0x314/0x690
[  377.191261] (ME) 
[  377.193590]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.197455] 471*8kB 
[  377.199784]  call_timer_fn+0x272/0x920
[  377.203983] (UME) 
[  377.206044]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.210258] 208*16kB 
[  377.212575]  ? process_timeout+0x40/0x40
[  377.216438] (UME) 
[  377.218579]  ? find_held_lock+0x36/0x1c0
[  377.222847] 76*32kB 
[  377.225254]  ? __run_timers+0x7da/0xc70
[  377.229282] (UME) 
[  377.231439]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.235480] 4*64kB 
[  377.237820]  ? _raw_spin_unlock_irq+0x27/0x80
[  377.241777] (M) 
[  377.243924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.248397] 1*128kB 
[  377.250626]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  377.255099] (U) 
[  377.257080]  ? trace_hardirqs_on+0xbd/0x310
[  377.261293] 1*256kB 
[  377.263613]  ? kasan_check_read+0x11/0x20
[  377.268182] (U) 
[  377.270167]  ? __run_timers+0x7da/0xc70
[  377.274467] 1*512kB 
[  377.276789]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  377.280911] (U) 
[  377.282882]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.286835] 0*1024kB 
[  377.289148]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  377.294576] 0*2048kB 
[  377.296548]  __run_timers+0x7e5/0xc70
[  377.300770] 0*4096kB 
[  377.303198]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  377.307404] = 13872kB
[  377.309821]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  377.313608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  377.316011]  ? graph_lock+0x170/0x170
[  377.321388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  377.323790]  ? enqueue_hrtimer+0x1a5/0x560
[  377.328789] 1299 total pagecache pages
[  377.337616]  ? lock_release+0x970/0x970
[  377.341412] 0 pages in swap cache
[  377.349977]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  377.354200] Swap cache stats: add 0, delete 0, find 0/0
[  377.358099]  ? find_held_lock+0x36/0x1c0
[  377.362050] Free swap  = 0kB
[  377.365498]  ? graph_lock+0x170/0x170
[  377.370670] Total swap = 0kB
[  377.376028]  ? pvclock_read_flags+0x160/0x160
[  377.380067] 1965979 pages RAM
[  377.383082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.386860] 0 pages HighMem/MovableOnly
[  377.389876]  ? check_preemption_disabled+0x48/0x200
[  377.394349] 342306 pages reserved
[  377.397463]  ? __lock_is_held+0xb5/0x140
[  377.402966] 0 pages cma reserved
[  377.403050] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.406948]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.412098] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.415396]  ? check_preemption_disabled+0x48/0x200
[  377.419437] syz-executor1 cpuset=
[  377.422803]  run_timer_softirq+0x52/0xb0
[  377.429269] /
[  377.434809]  ? rcu_read_lock_sched_held+0x108/0x120
[  377.445274]  mems_allowed=0
[  377.450282]  __do_softirq+0x30b/0xad8
[  377.471189]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  377.476312]  ? pvclock_read_flags+0x160/0x160
[  377.480832]  ? lapic_next_event+0x5a/0x90
[  377.484983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.490528]  ? check_preemption_disabled+0x48/0x200
[  377.496300]  ? check_preemption_disabled+0x48/0x200
[  377.501347]  ? kvm_clock_read+0x18/0x30
[  377.505341]  ? kvm_sched_clock_read+0x9/0x20
[  377.509760]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.515300]  ? check_preemption_disabled+0x48/0x200
[  377.520363]  irq_exit+0x17f/0x1c0
[  377.523823]  smp_apic_timer_interrupt+0x1cb/0x760
[  377.528663]  ? smp_reschedule_interrupt+0x109/0x650
[  377.533695]  ? smp_call_function_single_interrupt+0x650/0x650
[  377.539585]  ? interrupt_entry+0xb5/0xf0
[  377.543653]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.548669]  ? trace_hardirqs_off_caller+0xbb/0x310
[  377.553693]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.558551]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.563583]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.568606]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.574151]  ? check_preemption_disabled+0x48/0x200
[  377.579170]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.584980]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.589858]  apic_timer_interrupt+0xf/0x20
[  377.594091]  </IRQ>
[  377.596339] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  377.601274] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  377.620173] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  377.627884] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  377.635151] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  377.642420] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  377.649686] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  377.656954] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  377.664264]  skb_clone+0x1bb/0x500
[  377.667804]  ? finish_task_switch+0x1b5/0x900
[  377.672299]  ? skb_split+0x11e0/0x11e0
[  377.676200]  ? preempt_notifier_register+0x200/0x200
[  377.681318]  ? __switch_to_asm+0x34/0x70
[  377.685397]  ? __switch_to_asm+0x34/0x70
[  377.689460]  ? __switch_to_asm+0x40/0x70
[  377.693523]  ? __switch_to_asm+0x34/0x70
[  377.697588]  ? __switch_to_asm+0x40/0x70
[  377.701647]  ? __switch_to_asm+0x34/0x70
[  377.705712]  ? __switch_to_asm+0x40/0x70
[  377.709803]  ? __switch_to_asm+0x34/0x70
[  377.713866]  ? __switch_to_asm+0x34/0x70
[  377.717928]  ? __switch_to_asm+0x40/0x70
[  377.721986]  ? __switch_to_asm+0x34/0x70
[  377.726068]  bpf_clone_redirect+0xb9/0x490
[  377.730307]  ? __schedule+0x874/0x1ed0
[  377.734205]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  377.739222]  ? __sched_text_start+0x8/0x8
[  377.743395]  ? lockdep_hardirqs_on+0x421/0x5c0
[  377.747981]  ? retint_kernel+0x2d/0x2d
[  377.751881]  ? trace_hardirqs_on_caller+0xc0/0x310
[  377.756823]  ? find_held_lock+0x36/0x1c0
[  377.760892]  ? lock_acquire+0x1ed/0x520
[  377.764867]  ? bpf_test_run+0x3cb/0x780
[  377.768846]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  377.774395]  ? check_preemption_disabled+0x48/0x200
[  377.779426]  ? kasan_check_read+0x11/0x20
[  377.783583]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  377.788863]  ? rcu_bh_qs+0xc0/0xc0
[  377.792417]  ? preempt_schedule+0x4d/0x60
[  377.796571]  ? ___preempt_schedule+0x16/0x18
[  377.800986]  ? bpf_test_run+0x25d/0x780
[  377.804973]  ? netlink_diag_dump+0x2a0/0x2a0
[  377.809393]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  377.814930]  ? bpf_test_init.isra.9+0x70/0x100
[  377.819518]  ? bpf_prog_test_run_skb+0x634/0xb40
[  377.824285]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  377.829127]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  377.834672]  ? fput+0x130/0x1a0
[  377.837957]  ? __bpf_prog_get+0x9b/0x290
[  377.842037]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  377.846881]  ? bpf_prog_test_run+0x130/0x1a0
[  377.851296]  ? __x64_sys_bpf+0x3d8/0x510
[  377.855371]  ? bpf_prog_get+0x20/0x20
[  377.859195]  ? do_syscall_64+0x1b9/0x820
[  377.863257]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  377.868625]  ? syscall_return_slowpath+0x5e0/0x5e0
[  377.873563]  ? trace_hardirqs_on_caller+0x310/0x310
[  377.878584]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  377.883597]  ? recalc_sigpending_tsk+0x180/0x180
[  377.888364]  ? kasan_check_write+0x14/0x20
[  377.892617]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  377.897491]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  377.902894] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  377.902980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  377.910191] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  377.910204] Call Trace:
[  377.910212]  <IRQ>
[  377.910231]  dump_stack+0x1c4/0x2b4
[  377.910249]  ? dump_stack_print_info.cold.2+0x52/0x52
[  377.916788] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  377.926090]  warn_alloc.cold.119+0xb7/0x1bd
[  377.928649] syz-executor4 cpuset=
[  377.930802]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  377.934406] syz4
[  377.939702]  ? lock_downgrade+0x900/0x900
[  377.950202]  mems_allowed=0
[  377.954521]  ? trace_hardirqs_off+0xb8/0x310
[  377.976376]  ? trace_hardirqs_off+0xb8/0x310
[  377.980812]  __alloc_pages_slowpath+0x2667/0x2d80
[  377.985685]  ? warn_alloc+0x120/0x120
[  377.989486]  ? trace_hardirqs_on+0x310/0x310
[  377.993918]  ? warn_alloc+0x120/0x120
[  377.997731]  ? print_usage_bug+0xc0/0xc0
[  378.001792]  ? warn_alloc+0x120/0x120
[  378.005594]  ? ktime_get+0x2e1/0x440
[  378.009308]  ? print_usage_bug+0xc0/0xc0
[  378.013385]  ? __lock_acquire+0x7ec/0x4ec0
[  378.017637]  ? __lock_acquire+0x7ec/0x4ec0
[  378.021881]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.027426]  ? should_fail+0x22d/0xd01
[  378.031317]  ? __lock_acquire+0x7ec/0x4ec0
[  378.035569]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.040676]  ? __lock_acquire+0x7ec/0x4ec0
[  378.044928]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  378.050034]  ? __lock_acquire+0x7ec/0x4ec0
[  378.054283]  ? should_fail+0x22d/0xd01
[  378.058200]  ? mark_held_locks+0x130/0x130
[  378.062442]  ? mark_held_locks+0x130/0x130
[  378.066687]  ? mark_held_locks+0xc7/0x130
[  378.070841]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  378.076020]  ? graph_lock+0x170/0x170
[  378.079844]  ? print_usage_bug+0xc0/0xc0
[  378.083920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.089464]  ? check_preemption_disabled+0x48/0x200
[  378.094485]  ? check_preemption_disabled+0x48/0x200
[  378.099512]  ? __lock_is_held+0xb5/0x140
[  378.103585]  __alloc_pages_nodemask+0xa80/0xde0
[  378.108257]  ? graph_lock+0x170/0x170
[  378.112063]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  378.117076]  ? graph_lock+0x170/0x170
[  378.120905]  ? find_held_lock+0x36/0x1c0
[  378.124978]  ? ____cache_alloc_node+0x1c7/0x1e0
[  378.129650]  ? lock_downgrade+0x900/0x900
[  378.133816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.139369]  cache_grow_begin+0x91/0x8c0
[  378.143437]  ? do_raw_spin_unlock+0xa7/0x2f0
[  378.147893]  fallback_alloc+0x203/0x2e0
[  378.151884]  ____cache_alloc_node+0x1c7/0x1e0
[  378.156383]  kmem_cache_alloc_node+0xe3/0x730
[  378.160885]  ? ipv6_get_ifaddr+0x42e/0x620
[  378.165128]  __alloc_skb+0x119/0x770
[  378.168847]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  378.174156]  ? skb_scrub_packet+0x490/0x490
[  378.178483]  ? lock_downgrade+0x900/0x900
[  378.183149]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.188700]  ? refcount_sub_and_test_checked+0x203/0x310
[  378.194160]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  378.199610]  ? addrconf_rs_timer+0x690/0x690
[  378.204038]  ndisc_alloc_skb+0x144/0x340
[  378.208105]  ndisc_send_rs+0x331/0x6e0
[  378.211996]  addrconf_rs_timer+0x314/0x690
[  378.216248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.220501]  call_timer_fn+0x272/0x920
[  378.224386]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.228628]  ? process_timeout+0x40/0x40
[  378.232687]  ? find_held_lock+0x36/0x1c0
[  378.236802]  ? mark_held_locks+0xc7/0x130
[  378.240951]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.245446]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.249953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.254193]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  378.258782]  ? trace_hardirqs_on+0xbd/0x310
[  378.263113]  ? kasan_check_read+0x11/0x20
[  378.267263]  ? __run_timers+0x7da/0xc70
[  378.271255]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.276728]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  378.280973]  __run_timers+0x7e5/0xc70
[  378.284790]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  378.290158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.295173]  ? graph_lock+0x170/0x170
[  378.298985]  ? print_usage_bug+0xc0/0xc0
[  378.303048]  ? lock_release+0x970/0x970
[  378.307027]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  378.312222]  ? find_held_lock+0x36/0x1c0
[  378.316289]  ? graph_lock+0x170/0x170
[  378.320107]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.325647]  ? check_preemption_disabled+0x48/0x200
[  378.330703]  ? __lock_is_held+0xb5/0x140
[  378.334768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.340325]  ? check_preemption_disabled+0x48/0x200
[  378.345381]  run_timer_softirq+0x52/0xb0
[  378.349458]  ? rcu_read_lock_sched_held+0x108/0x120
[  378.354479]  __do_softirq+0x30b/0xad8
[  378.358290]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  378.363427]  ? pvclock_read_flags+0x160/0x160
[  378.367934]  ? lapic_next_event+0x5a/0x90
[  378.372082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.377624]  ? check_preemption_disabled+0x48/0x200
[  378.382640]  ? check_preemption_disabled+0x48/0x200
[  378.387663]  ? kvm_clock_read+0x18/0x30
[  378.391638]  ? kvm_sched_clock_read+0x9/0x20
[  378.396048]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.401584]  ? check_preemption_disabled+0x48/0x200
[  378.406619]  irq_exit+0x17f/0x1c0
[  378.410093]  smp_apic_timer_interrupt+0x1cb/0x760
[  378.414937]  ? smp_call_function_single_interrupt+0x650/0x650
[  378.420828]  ? interrupt_entry+0xb5/0xf0
[  378.424903]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.429922]  ? trace_hardirqs_off_caller+0xbb/0x310
[  378.434943]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.439791]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.444819]  ? trace_hardirqs_on_caller+0x310/0x310
[  378.449850]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.455655]  ? check_preemption_disabled+0x48/0x200
[  378.460676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.466225]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  378.471087]  apic_timer_interrupt+0xf/0x20
[  378.475340]  </IRQ>
[  378.477587] RIP: 0010:lock_acquire+0x268/0x520
[  378.482173] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  378.501072] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  378.508782] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  378.516045] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  378.523323] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  378.530600] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  378.537870] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  378.545167]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.550705]  ? lock_release+0x970/0x970
[  378.554685]  ? activate_page+0x1040/0x1040
[  378.558928]  ? __unlock_page_memcg+0x53/0x100
[  378.563426]  ? check_preemption_disabled+0x48/0x200
[  378.568457]  lock_page_memcg+0x95/0x350
[  378.572435]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  378.577712]  ? rcu_bh_qs+0xc0/0xc0
[  378.581258]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  378.586465]  page_remove_rmap+0x855/0x1a30
[  378.590706]  ? page_add_file_rmap+0x1470/0x1470
[  378.595380]  ? __lock_is_held+0xb5/0x140
[  378.599457]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.604996]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.610546]  ? lru_add_drain_cpu+0x1c0/0x500
[  378.614967]  ? free_pages_and_swap_cache+0x475/0x6f0
[  378.620082]  ? free_page_and_swap_cache+0x950/0x950
[  378.625106]  ? kasan_check_read+0x11/0x20
[  378.629259]  ? page_mapcount+0x3b5/0x5d0
[  378.633338]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  378.638192]  ? lock_downgrade+0x900/0x900
[  378.642358]  ? lock_release+0x970/0x970
[  378.646357]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  378.651390]  ? _vm_normal_page+0x161/0x3c0
[  378.655648]  ? __pte_alloc_kernel+0x220/0x220
[  378.660150]  ? kasan_check_write+0x14/0x20
[  378.664389]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  378.669407]  ? __tlb_remove_page_size+0x187/0x500
[  378.674267]  unmap_page_range+0xf14/0x2030
[  378.678529]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  378.683041]  ? search_extable+0x80/0xb0
[  378.687017]  ? trim_init_extable+0x3a0/0x3a0
[  378.691444]  ? __get_user_8+0x21/0x2b
[  378.695250]  ? print_usage_bug+0xc0/0xc0
[  378.699325]  ? __lock_acquire+0x7ec/0x4ec0
[  378.703577]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  378.709122]  ? no_context+0xd9/0x980
[  378.712837]  ? lock_downgrade+0x900/0x900
[  378.716995]  ? graph_lock+0x170/0x170
[  378.720805]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.726353]  ? tlb_flush_mmu_free+0x135/0x1b0
[  378.730876]  ? find_held_lock+0x36/0x1c0
[  378.734963]  ? exit_mmap+0x4bb/0x590
[  378.738675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  378.744228]  ? uprobe_munmap+0x14c/0x450
[  378.748303]  ? uprobe_mmap+0xd50/0xd50
[  378.752201]  ? lock_release+0x970/0x970
[  378.756212]  ? arch_local_save_flags+0x40/0x40
[  378.760804]  ? rwsem_down_write_failed+0xe/0x10
[  378.765474]  ? rwsem_down_write_failed+0xe/0x10
[  378.770157]  ? call_rwsem_down_write_failed+0x17/0x30
[  378.775358]  unmap_single_vma+0x19b/0x310
[  378.779516]  unmap_vmas+0x125/0x200
[  378.783163]  exit_mmap+0x2be/0x590
[  378.786709]  ? __ia32_sys_munmap+0x80/0x80
[  378.790964]  ? __might_sleep+0x95/0x190
[  378.794946]  mmput+0x247/0x610
[  378.798141]  ? lock_downgrade+0x900/0x900
[  378.802303]  ? set_mm_exe_file+0x200/0x200
[  378.806554]  ? kasan_check_read+0x11/0x20
[  378.810705]  ? do_raw_spin_unlock+0xa7/0x2f0
[  378.815115]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  378.819705]  ? kasan_check_write+0x14/0x20
[  378.823958]  ? do_raw_spin_lock+0xc1/0x200
[  378.828226]  do_exit+0xe6f/0x2610
[  378.831682]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  378.836708]  ? mm_update_next_owner+0x990/0x990
[  378.841382]  ? print_usage_bug+0xc0/0xc0
[  378.845445]  ? graph_lock+0x170/0x170
[  378.849262]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.854809]  ? check_preemption_disabled+0x48/0x200
[  378.859829]  ? check_preemption_disabled+0x48/0x200
[  378.864876]  ? print_usage_bug+0xc0/0xc0
[  378.868943]  ? __lock_acquire+0x7ec/0x4ec0
[  378.873190]  ? __lock_acquire+0x7ec/0x4ec0
[  378.877445]  ? mark_held_locks+0x130/0x130
[  378.881693]  ? mark_held_locks+0x130/0x130
[  378.885929]  ? kasan_check_write+0x14/0x20
[  378.890166]  ? finish_task_switch+0x2f5/0x900
[  378.894668]  ? __switch_to_asm+0x40/0x70
[  378.898749]  ? __switch_to_asm+0x34/0x70
[  378.902810]  ? __switch_to_asm+0x34/0x70
[  378.906888]  ? __switch_to_asm+0x40/0x70
[  378.910962]  ? __switch_to_asm+0x34/0x70
[  378.915025]  ? __switch_to_asm+0x40/0x70
[  378.919085]  ? __switch_to_asm+0x34/0x70
[  378.923147]  ? __switch_to_asm+0x34/0x70
[  378.927206]  ? __switch_to_asm+0x34/0x70
[  378.931270]  ? __switch_to_asm+0x34/0x70
[  378.935338]  ? __switch_to_asm+0x40/0x70
[  378.939405]  ? __switch_to_asm+0x34/0x70
[  378.943468]  ? __switch_to_asm+0x40/0x70
[  378.947536]  ? graph_lock+0x170/0x170
[  378.951345]  ? graph_lock+0x170/0x170
[  378.955154]  ? graph_lock+0x170/0x170
[  378.958971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  378.964531]  ? wait_consider_task+0x245/0x3bb0
[  378.969142]  ? memset+0x31/0x40
[  378.972430]  ? find_held_lock+0x36/0x1c0
[  378.976503]  ? get_signal+0x95b/0x1980
[  378.980396]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.984891]  ? _raw_spin_unlock_irq+0x27/0x80
[  378.989397]  do_group_exit+0x177/0x440
[  378.993290]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  378.998768]  ? __ia32_sys_exit+0x50/0x50
[  379.002865]  get_signal+0x8b0/0x1980
[  379.006592]  ? ptrace_notify+0x130/0x130
[  379.010650]  ? do_wait+0x57d/0xb90
[  379.014198]  ? wait_consider_task+0x3bb0/0x3bb0
[  379.018867]  ? graph_lock+0x170/0x170
[  379.022668]  ? graph_lock+0x170/0x170
[  379.026509]  ? graph_lock+0x170/0x170
[  379.030335]  do_signal+0x9c/0x21e0
[  379.033879]  ? find_held_lock+0x36/0x1c0
[  379.037947]  ? setup_sigcontext+0x7d0/0x7d0
[  379.042269]  ? kernel_wait4+0x2e0/0x3f0
[  379.046248]  ? __ia32_sys_waitid+0x140/0x140
[  379.050690]  ? task_stopped_code+0x190/0x190
[  379.055123]  ? exit_to_usermode_loop+0x8c/0x380
[  379.059826]  ? __do_page_fault+0x4a6/0xed0
[  379.064064]  ? do_syscall_64+0x9a/0x820
[  379.068069]  ? do_syscall_64+0x9a/0x820
[  379.072059]  exit_to_usermode_loop+0x2e5/0x380
[  379.076642]  ? syscall_slow_exit_work+0x520/0x520
[  379.081496]  do_syscall_64+0x6be/0x820
[  379.085390]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  379.090755]  ? syscall_return_slowpath+0x5e0/0x5e0
[  379.095685]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.100529]  ? trace_hardirqs_on_caller+0x310/0x310
[  379.105551]  ? prepare_exit_to_usermode+0x291/0x3b0
[  379.110575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  379.115427]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  379.120617] RIP: 0033:0x41124a
[  379.123813] Code: Bad RIP value.
[  379.127185] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  379.134903] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  379.142174] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  379.149441] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  379.156711] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  379.163976] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  379.171271] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  379.171277] warn_alloc_show_mem: 1 callbacks suppressed
[  379.171285] Mem-Info:
[  379.178562] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  379.183932] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  379.183932]  active_file:8 inactive_file:19 isolated_file:0
[  379.183932]  unevictable:0 dirty:0 writeback:0 unstable:0
[  379.183932]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  379.183932]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  379.183932]  free:13709 free_pcp:257 free_cma:0
[  379.186305] Call Trace:
[  379.195717] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  379.228661]  <IRQ>
[  379.231232] Node 0 
[  379.258917]  dump_stack+0x1c4/0x2b4
[  379.261068] 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
[  379.263294]  ? dump_stack_print_info.cold.2+0x52/0x52
[  379.266898] lowmem_reserve[]:
[  379.292428]  warn_alloc.cold.119+0xb7/0x1bd
[  379.297582]  0 2819
[  379.300706]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  379.305037]  6323 6323
[  379.307284]  ? lock_downgrade+0x900/0x900
[  379.312112] Node 0 
[  379.314616]  ? trace_hardirqs_off+0xb8/0x310
[  379.318776] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  379.320992]  ? trace_hardirqs_off+0xb8/0x310
[  379.325374] lowmem_reserve[]:
[  379.352131]  __alloc_pages_slowpath+0x2667/0x2d80
[  379.356827]  0
[  379.359957]  ? warn_alloc+0x120/0x120
[  379.364887]  0
[  379.366694]  ? warn_alloc+0x120/0x120
[  379.370521]  3503 3503
[  379.372351]  ? print_usage_bug+0xc0/0xc0
[  379.376251] Node 0 
[  379.378760]  ? warn_alloc+0x120/0x120
[  379.383507] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  379.385719]  ? print_usage_bug+0xc0/0xc0
[  379.389680] lowmem_reserve[]: 0
[  379.418054]  ? __lock_acquire+0x7ec/0x4ec0
[  379.422091]  0
[  379.425371]  ? __lock_acquire+0x7ec/0x4ec0
[  379.429583]  0
[  379.431390]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.435601]  0
[  379.437410]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  379.442921] Node 0 
[  379.444722]  ? should_fail+0x22d/0xd01
[  379.450240] DMA: 
[  379.452473]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.456352] 1*4kB 
[  379.458414]  ? __lock_acquire+0x7ec/0x4ec0
[  379.463505] (U) 
[  379.465652]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  379.469863] 0*8kB 
[  379.471836]  ? __lock_acquire+0x7ec/0x4ec0
[  379.476919] 0*16kB 
[  379.479073]  ? should_fail+0x22d/0xd01
[  379.483286] 1*32kB 
[  379.485529]  ? mark_held_locks+0x130/0x130
[  379.489393] (U) 
[  379.491631]  ? mark_held_locks+0x130/0x130
[  379.495863] 2*64kB 
[  379.497829]  ? graph_lock+0x170/0x170
[  379.502043] (U) 
[  379.504291]  ? print_usage_bug+0xc0/0xc0
[  379.508068] 1*128kB 
[  379.510037]  ? graph_lock+0x170/0x170
[  379.514080] (U) 
[  379.516399]  ? print_usage_bug+0xc0/0xc0
[  379.520193] 1*256kB 
[  379.522180]  ? wq_watchdog_touch+0x9c/0xfe
[  379.526215] (U) 
[  379.528547]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.532754] 0*512kB 1*1024kB 
[  379.534739]  ? check_preemption_disabled+0x48/0x200
[  379.540257] (U) 
[  379.543373]  ? check_preemption_disabled+0x48/0x200
[  379.548369] 1*2048kB 
[  379.550364]  ? __lock_is_held+0xb5/0x140
[  379.555367] (M) 
[  379.557789]  __alloc_pages_nodemask+0xa80/0xde0
[  379.561825] 3*4096kB (M) 
[  379.563810]  ? graph_lock+0x170/0x170
[  379.568451] = 15908kB
[  379.568461] Node 0 
[  379.571219]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  379.574993] DMA32: 4*4kB 
[  379.577412]  ? graph_lock+0x170/0x170
[  379.579630] (UM) 
[  379.584659]  ? find_held_lock+0x36/0x1c0
[  379.587395] 2*8kB 
[  379.591200]  ? ____cache_alloc_node+0x1c7/0x1e0
[  379.593237] (UM) 
[  379.597296]  ? lock_downgrade+0x900/0x900
[  379.599417] 2*16kB (M) 
[  379.604097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.606134] 3*32kB 
[  379.610280]  cache_grow_begin+0x91/0x8c0
[  379.612843] (UM) 
[  379.618393]  ? do_raw_spin_unlock+0xa7/0x2f0
[  379.620609] 5*64kB (UM) 
[  379.624690]  fallback_alloc+0x203/0x2e0
[  379.626713] 4*128kB (UM) 
[  379.631131]  ____cache_alloc_node+0x1c7/0x1e0
[  379.633784] 4*256kB 
[  379.637758]  kmem_cache_alloc_node+0xe3/0x730
[  379.640494] (UM) 
[  379.645017]  ? ipv6_get_ifaddr+0x42e/0x620
[  379.647312] 3*512kB (M) 
[  379.651834]  __alloc_skb+0x119/0x770
[  379.653909] 3*1024kB 
[  379.658153]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  379.660796] (UM) 3*2048kB 
[  379.664515]  ? skb_scrub_packet+0x490/0x490
[  379.666902] (M) 
[  379.672186]  ? lock_downgrade+0x900/0x900
[  379.675008] 3*4096kB 
[  379.679338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.681292] (M) 
[  379.685439]  ? refcount_sub_and_test_checked+0x203/0x310
[  379.687825] = 25056kB
[  379.693371]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  379.695325] Node 0 
[  379.700785]  ? addrconf_rs_timer+0x690/0x690
[  379.703178] Normal: 
[  379.708632]  ndisc_alloc_skb+0x144/0x340
[  379.710842] 798*4kB 
[  379.715249]  ndisc_send_rs+0x331/0x6e0
[  379.717549] (ME) 
[  379.721607]  addrconf_rs_timer+0x314/0x690
[  379.723908] 471*8kB 
[  379.727791]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.729834] (UME) 
[  379.734080]  call_timer_fn+0x272/0x920
[  379.736373] 208*16kB 
[  379.740600]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.742734] (UME) 
[  379.746621]  ? process_timeout+0x40/0x40
[  379.749008] 76*32kB 
[  379.753238]  ? find_held_lock+0x36/0x1c0
[  379.755370] (UME) 
[  379.759432]  ? __run_timers+0x7da/0xc70
[  379.761752] 4*64kB 
[  379.765820]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.767946] (M) 
[  379.771916]  ? _raw_spin_unlock_irq+0x27/0x80
[  379.774122] 1*128kB (U) 
[  379.778625]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.780577] 1*256kB (U) 
[  379.785082]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  379.787733] 1*512kB 
[  379.791975]  ? trace_hardirqs_on+0xbd/0x310
[  379.794620] (U) 
[  379.799207]  ? kasan_check_read+0x11/0x20
[  379.801514] 0*1024kB 
[  379.805840]  ? __run_timers+0x7da/0xc70
[  379.807797] 0*2048kB 
[  379.811956]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  379.814356] 0*4096kB 
[  379.818352]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.820746] = 13872kB
[  379.826199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  379.828609] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  379.832843]  __run_timers+0x7e5/0xc70
[  379.835244] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  379.839497]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  379.848313] 1299 total pagecache pages
[  379.852135]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  379.860707] 0 pages in swap cache
[  379.866074]  ? graph_lock+0x170/0x170
[  379.869945] Swap cache stats: add 0, delete 0, find 0/0
[  379.869955] Free swap  = 0kB
[  379.874993]  ? enqueue_hrtimer+0x1a5/0x560
[  379.878434] Total swap = 0kB
[  379.882236]  ? lock_release+0x970/0x970
[  379.882253]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  379.887613] 1965979 pages RAM
[  379.890639]  ? find_held_lock+0x36/0x1c0
[  379.894861] 0 pages HighMem/MovableOnly
[  379.894874] 342306 pages reserved
[  379.897907]  ? graph_lock+0x170/0x170
[  379.901866] 0 pages cma reserved
[  379.901973] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  379.907074]  ? pvclock_read_flags+0x160/0x160
[  379.910266] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  379.914251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.918212] syz-executor1 cpuset=
[  379.921676]  ? check_preemption_disabled+0x48/0x200
[  379.925464] /
[  379.928850]  ? __lock_is_held+0xb5/0x140
[  379.935350]  mems_allowed=0
[  379.939853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  379.978632]  ? check_preemption_disabled+0x48/0x200
[  379.983687]  run_timer_softirq+0x52/0xb0
[  379.987764]  ? rcu_read_lock_sched_held+0x108/0x120
[  379.992815]  __do_softirq+0x30b/0xad8
[  379.996637]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  380.001758]  ? pvclock_read_flags+0x160/0x160
[  380.006266]  ? lapic_next_event+0x5a/0x90
[  380.010434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.015985]  ? check_preemption_disabled+0x48/0x200
[  380.021012]  ? check_preemption_disabled+0x48/0x200
[  380.026049]  ? kvm_clock_read+0x18/0x30
[  380.030040]  ? kvm_sched_clock_read+0x9/0x20
[  380.034468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.040017]  ? check_preemption_disabled+0x48/0x200
[  380.045057]  irq_exit+0x17f/0x1c0
[  380.048526]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.053393]  ? smp_reschedule_interrupt+0x109/0x650
[  380.058422]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.064322]  ? interrupt_entry+0xb5/0xf0
[  380.068427]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.073454]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.078968]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.083825]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.088850]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.093883]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.099438]  ? check_preemption_disabled+0x48/0x200
[  380.104469]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.110031]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.114897]  apic_timer_interrupt+0xf/0x20
[  380.119137]  </IRQ>
[  380.121393] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  380.126360] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  380.145273] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  380.152993] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  380.160273] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  380.167556] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  380.174832] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  380.182278] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  380.189599]  skb_clone+0x1bb/0x500
[  380.193153]  ? finish_task_switch+0x1b5/0x900
[  380.197662]  ? skb_split+0x11e0/0x11e0
[  380.201568]  ? preempt_notifier_register+0x200/0x200
[  380.206684]  ? __switch_to_asm+0x34/0x70
[  380.210761]  ? __switch_to_asm+0x34/0x70
[  380.214831]  ? __switch_to_asm+0x40/0x70
[  380.218924]  ? __switch_to_asm+0x34/0x70
[  380.223021]  ? __switch_to_asm+0x40/0x70
[  380.227094]  ? __switch_to_asm+0x34/0x70
[  380.231167]  ? __switch_to_asm+0x40/0x70
[  380.235237]  ? __switch_to_asm+0x34/0x70
[  380.239310]  ? __switch_to_asm+0x34/0x70
[  380.243414]  ? __switch_to_asm+0x40/0x70
[  380.247490]  ? __switch_to_asm+0x34/0x70
[  380.251577]  bpf_clone_redirect+0xb9/0x490
[  380.255822]  ? __schedule+0x874/0x1ed0
[  380.259729]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  380.264768]  ? __sched_text_start+0x8/0x8
[  380.268930]  ? lockdep_hardirqs_on+0x421/0x5c0
[  380.273524]  ? retint_kernel+0x2d/0x2d
[  380.277426]  ? trace_hardirqs_on_caller+0xc0/0x310
[  380.282392]  ? find_held_lock+0x36/0x1c0
[  380.286476]  ? lock_acquire+0x1ed/0x520
[  380.290465]  ? bpf_test_run+0x3cb/0x780
[  380.294458]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.300020]  ? check_preemption_disabled+0x48/0x200
[  380.305055]  ? kasan_check_read+0x11/0x20
[  380.309218]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  380.314509]  ? rcu_bh_qs+0xc0/0xc0
[  380.318061]  ? preempt_schedule+0x4d/0x60
[  380.322223]  ? ___preempt_schedule+0x16/0x18
[  380.326650]  ? bpf_test_run+0x25d/0x780
[  380.330650]  ? netlink_diag_dump+0x2a0/0x2a0
[  380.335074]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.340623]  ? bpf_test_init.isra.9+0x70/0x100
[  380.345220]  ? bpf_prog_test_run_skb+0x634/0xb40
[  380.349997]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  380.354849]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  380.360419]  ? fput+0x130/0x1a0
[  380.363712]  ? __bpf_prog_get+0x9b/0x290
[  380.367788]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  380.372639]  ? bpf_prog_test_run+0x130/0x1a0
[  380.377065]  ? __x64_sys_bpf+0x3d8/0x510
[  380.381137]  ? bpf_prog_get+0x20/0x20
[  380.384973]  ? do_syscall_64+0x1b9/0x820
[  380.389051]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  380.394430]  ? syscall_return_slowpath+0x5e0/0x5e0
[  380.399391]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.404421]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  380.409450]  ? recalc_sigpending_tsk+0x180/0x180
[  380.414220]  ? kasan_check_write+0x14/0x20
[  380.418473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.423362]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  380.428764] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  380.428850] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  380.436055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  380.436064] Call Trace:
[  380.442671] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  380.451914]  <IRQ>
[  380.454507] syz-executor4 cpuset=
[  380.465034]  dump_stack+0x1c4/0x2b4
[  380.467183] syz4
[  380.470648]  ? dump_stack_print_info.cold.2+0x52/0x52
[  380.474263]  mems_allowed=0
[  380.476256]  warn_alloc.cold.119+0xb7/0x1bd
[  380.488701]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  380.493562]  ? lock_downgrade+0x900/0x900
[  380.497729]  ? trace_hardirqs_off+0xb8/0x310
[  380.502156]  ? trace_hardirqs_off+0xb8/0x310
[  380.506592]  __alloc_pages_slowpath+0x2667/0x2d80
[  380.511479]  ? warn_alloc+0x120/0x120
[  380.515293]  ? trace_hardirqs_on+0x310/0x310
[  380.519716]  ? warn_alloc+0x120/0x120
[  380.523542]  ? print_usage_bug+0xc0/0xc0
[  380.527617]  ? warn_alloc+0x120/0x120
[  380.531429]  ? ktime_get+0x2e1/0x440
[  380.535154]  ? print_usage_bug+0xc0/0xc0
[  380.539228]  ? __lock_acquire+0x7ec/0x4ec0
[  380.543477]  ? __lock_acquire+0x7ec/0x4ec0
[  380.547728]  ? kasan_check_read+0x11/0x20
[  380.551896]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  380.557448]  ? should_fail+0x22d/0xd01
[  380.561369]  ? rcu_bh_qs+0xc0/0xc0
[  380.564950]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.570071]  ? __lock_acquire+0x7ec/0x4ec0
[  380.574322]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  380.579462]  ? __lock_acquire+0x7ec/0x4ec0
[  380.583711]  ? should_fail+0x22d/0xd01
[  380.587609]  ? rcu_idle_enter+0x4b0/0x4b0
[  380.591776]  ? mark_held_locks+0x130/0x130
[  380.596036]  ? mark_held_locks+0x130/0x130
[  380.600292]  ? mark_held_locks+0xc7/0x130
[  380.604454]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  380.609478]  ? graph_lock+0x170/0x170
[  380.613291]  ? print_usage_bug+0xc0/0xc0
[  380.617384]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.622943]  ? check_preemption_disabled+0x48/0x200
[  380.628009]  ? check_preemption_disabled+0x48/0x200
[  380.633052]  ? __lock_is_held+0xb5/0x140
[  380.637137]  __alloc_pages_nodemask+0xa80/0xde0
[  380.641823]  ? graph_lock+0x170/0x170
[  380.645647]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  380.650674]  ? graph_lock+0x170/0x170
[  380.654499]  ? find_held_lock+0x36/0x1c0
[  380.658587]  ? ____cache_alloc_node+0x1c7/0x1e0
[  380.663269]  ? lock_downgrade+0x900/0x900
[  380.667448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.673007]  cache_grow_begin+0x91/0x8c0
[  380.677085]  ? do_raw_spin_unlock+0xa7/0x2f0
[  380.681516]  fallback_alloc+0x203/0x2e0
[  380.685511]  ____cache_alloc_node+0x1c7/0x1e0
[  380.690024]  kmem_cache_alloc_node+0xe3/0x730
[  380.694538]  ? ipv6_get_ifaddr+0x42e/0x620
[  380.698796]  __alloc_skb+0x119/0x770
[  380.702526]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  380.707822]  ? skb_scrub_packet+0x490/0x490
[  380.712160]  ? lock_downgrade+0x900/0x900
[  380.716353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.721962]  ? refcount_sub_and_test_checked+0x203/0x310
[  380.727433]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  380.732898]  ? addrconf_rs_timer+0x690/0x690
[  380.737382]  ndisc_alloc_skb+0x144/0x340
[  380.741470]  ndisc_send_rs+0x331/0x6e0
[  380.745391]  addrconf_rs_timer+0x314/0x690
[  380.749643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.753908]  call_timer_fn+0x272/0x920
[  380.757807]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.762056]  ? process_timeout+0x40/0x40
[  380.766129]  ? find_held_lock+0x36/0x1c0
[  380.770210]  ? mark_held_locks+0xc7/0x130
[  380.774398]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.778905]  ? _raw_spin_unlock_irq+0x27/0x80
[  380.783406]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.787651]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  380.792245]  ? trace_hardirqs_on+0xbd/0x310
[  380.796581]  ? kasan_check_read+0x11/0x20
[  380.800739]  ? __run_timers+0x7da/0xc70
[  380.804725]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  380.810194]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.814448]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  380.818694]  __run_timers+0x7e5/0xc70
[  380.822519]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  380.827893]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  380.832922]  ? graph_lock+0x170/0x170
[  380.836741]  ? print_usage_bug+0xc0/0xc0
[  380.840829]  ? lock_release+0x970/0x970
[  380.844843]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  380.850073]  ? find_held_lock+0x36/0x1c0
[  380.854155]  ? graph_lock+0x170/0x170
[  380.857971]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.863523]  ? check_preemption_disabled+0x48/0x200
[  380.868564]  ? __lock_is_held+0xb5/0x140
[  380.872638]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.878184]  ? check_preemption_disabled+0x48/0x200
[  380.883219]  run_timer_softirq+0x52/0xb0
[  380.887292]  ? rcu_read_lock_sched_held+0x108/0x120
[  380.892324]  __do_softirq+0x30b/0xad8
[  380.896175]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  380.901295]  ? pvclock_read_flags+0x160/0x160
[  380.905825]  ? lapic_next_event+0x5a/0x90
[  380.909990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.915539]  ? check_preemption_disabled+0x48/0x200
[  380.920567]  ? check_preemption_disabled+0x48/0x200
[  380.925608]  ? kvm_clock_read+0x18/0x30
[  380.929601]  ? kvm_sched_clock_read+0x9/0x20
[  380.934037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.939596]  ? check_preemption_disabled+0x48/0x200
[  380.944641]  irq_exit+0x17f/0x1c0
[  380.948106]  smp_apic_timer_interrupt+0x1cb/0x760
[  380.952964]  ? smp_call_function_single_interrupt+0x650/0x650
[  380.958872]  ? interrupt_entry+0xb5/0xf0
[  380.962950]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.967976]  ? trace_hardirqs_off_caller+0xbb/0x310
[  380.973006]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  380.977867]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.982895]  ? trace_hardirqs_on_caller+0x310/0x310
[  380.987928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  380.993478]  ? check_preemption_disabled+0x48/0x200
[  380.998507]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.004067]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.008935]  apic_timer_interrupt+0xf/0x20
[  381.013173]  </IRQ>
[  381.015424] RIP: 0010:lock_acquire+0x268/0x520
[  381.020018] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  381.039041] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  381.046762] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  381.054286] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  381.061593] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  381.068872] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  381.076149] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  381.083696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.089464]  ? lock_release+0x970/0x970
[  381.093887]  ? activate_page+0x1040/0x1040
[  381.098145]  ? __unlock_page_memcg+0x53/0x100
[  381.102662]  ? check_preemption_disabled+0x48/0x200
[  381.107698]  lock_page_memcg+0x95/0x350
[  381.111683]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  381.116890]  ? rcu_bh_qs+0xc0/0xc0
[  381.120453]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  381.125670]  page_remove_rmap+0x855/0x1a30
[  381.129924]  ? page_add_file_rmap+0x1470/0x1470
[  381.134889]  ? __lock_is_held+0xb5/0x140
[  381.138983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.144532]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.150082]  ? lru_add_drain_cpu+0x1c0/0x500
[  381.154515]  ? free_pages_and_swap_cache+0x475/0x6f0
[  381.159763]  ? free_page_and_swap_cache+0x950/0x950
[  381.164804]  ? kasan_check_read+0x11/0x20
[  381.168981]  ? page_mapcount+0x3b5/0x5d0
[  381.173080]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  381.177972]  ? lock_downgrade+0x900/0x900
[  381.182474]  ? lock_release+0x970/0x970
[  381.186490]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  381.191663]  ? _vm_normal_page+0x161/0x3c0
[  381.195926]  ? __pte_alloc_kernel+0x220/0x220
[  381.200514]  ? kasan_check_write+0x14/0x20
[  381.204773]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  381.209802]  ? __tlb_remove_page_size+0x187/0x500
[  381.214879]  unmap_page_range+0xf14/0x2030
[  381.219155]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  381.223737]  ? search_extable+0x80/0xb0
[  381.227845]  ? trim_init_extable+0x3a0/0x3a0
[  381.232607]  ? __get_user_8+0x21/0x2b
[  381.236424]  ? print_usage_bug+0xc0/0xc0
[  381.240506]  ? __lock_acquire+0x7ec/0x4ec0
[  381.244755]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  381.250304]  ? no_context+0xd9/0x980
[  381.254052]  ? lock_downgrade+0x900/0x900
[  381.258213]  ? graph_lock+0x170/0x170
[  381.262037]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.267590]  ? tlb_flush_mmu_free+0x135/0x1b0
[  381.272409]  ? find_held_lock+0x36/0x1c0
[  381.277050]  ? exit_mmap+0x4bb/0x590
[  381.280777]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.286354]  ? uprobe_munmap+0x14c/0x450
[  381.290439]  ? uprobe_mmap+0xd50/0xd50
[  381.294358]  ? lock_release+0x970/0x970
[  381.298460]  ? arch_local_save_flags+0x40/0x40
[  381.303063]  ? rwsem_down_write_failed+0xe/0x10
[  381.307749]  ? rwsem_down_write_failed+0xe/0x10
[  381.312432]  ? call_rwsem_down_write_failed+0x17/0x30
[  381.317643]  unmap_single_vma+0x19b/0x310
[  381.321810]  unmap_vmas+0x125/0x200
[  381.325455]  exit_mmap+0x2be/0x590
[  381.329013]  ? __ia32_sys_munmap+0x80/0x80
[  381.333283]  ? __might_sleep+0x95/0x190
[  381.337278]  mmput+0x247/0x610
[  381.340485]  ? lock_downgrade+0x900/0x900
[  381.344646]  ? set_mm_exe_file+0x200/0x200
[  381.348902]  ? kasan_check_read+0x11/0x20
[  381.353067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  381.357493]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  381.362272]  ? kasan_check_write+0x14/0x20
[  381.366520]  ? do_raw_spin_lock+0xc1/0x200
[  381.370786]  do_exit+0xe6f/0x2610
[  381.374254]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  381.379294]  ? mm_update_next_owner+0x990/0x990
[  381.383999]  ? print_usage_bug+0xc0/0xc0
[  381.388072]  ? graph_lock+0x170/0x170
[  381.391895]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.397449]  ? check_preemption_disabled+0x48/0x200
[  381.402479]  ? check_preemption_disabled+0x48/0x200
[  381.407507]  ? print_usage_bug+0xc0/0xc0
[  381.411589]  ? __lock_acquire+0x7ec/0x4ec0
[  381.415877]  ? __lock_acquire+0x7ec/0x4ec0
[  381.420178]  ? mark_held_locks+0x130/0x130
[  381.424449]  ? mark_held_locks+0x130/0x130
[  381.428708]  ? kasan_check_write+0x14/0x20
[  381.432958]  ? finish_task_switch+0x2f5/0x900
[  381.437524]  ? __switch_to_asm+0x40/0x70
[  381.441618]  ? __switch_to_asm+0x34/0x70
[  381.445693]  ? __switch_to_asm+0x34/0x70
[  381.449767]  ? __switch_to_asm+0x40/0x70
[  381.453843]  ? __switch_to_asm+0x34/0x70
[  381.457926]  ? __switch_to_asm+0x40/0x70
[  381.461999]  ? __switch_to_asm+0x34/0x70
[  381.466074]  ? __switch_to_asm+0x34/0x70
[  381.470148]  ? __switch_to_asm+0x34/0x70
[  381.474224]  ? __switch_to_asm+0x34/0x70
[  381.478297]  ? __switch_to_asm+0x40/0x70
[  381.482392]  ? __switch_to_asm+0x34/0x70
[  381.486464]  ? __switch_to_asm+0x40/0x70
[  381.490544]  ? graph_lock+0x170/0x170
[  381.494378]  ? graph_lock+0x170/0x170
[  381.498196]  ? graph_lock+0x170/0x170
[  381.502061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  381.507616]  ? wait_consider_task+0x245/0x3bb0
[  381.512219]  ? memset+0x31/0x40
[  381.515522]  ? find_held_lock+0x36/0x1c0
[  381.519698]  ? get_signal+0x95b/0x1980
[  381.523604]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.528112]  ? _raw_spin_unlock_irq+0x27/0x80
[  381.532628]  do_group_exit+0x177/0x440
[  381.537317]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  381.542804]  ? __ia32_sys_exit+0x50/0x50
[  381.546894]  get_signal+0x8b0/0x1980
[  381.550635]  ? ptrace_notify+0x130/0x130
[  381.554709]  ? do_wait+0x57d/0xb90
[  381.558269]  ? wait_consider_task+0x3bb0/0x3bb0
[  381.562950]  ? graph_lock+0x170/0x170
[  381.566764]  ? graph_lock+0x170/0x170
[  381.570579]  ? graph_lock+0x170/0x170
[  381.574418]  do_signal+0x9c/0x21e0
[  381.577970]  ? find_held_lock+0x36/0x1c0
[  381.582056]  ? setup_sigcontext+0x7d0/0x7d0
[  381.586394]  ? kernel_wait4+0x2e0/0x3f0
[  381.590411]  ? __ia32_sys_waitid+0x140/0x140
[  381.594843]  ? task_stopped_code+0x190/0x190
[  381.599410]  ? exit_to_usermode_loop+0x8c/0x380
[  381.604630]  ? __do_page_fault+0x4a6/0xed0
[  381.608886]  ? do_syscall_64+0x9a/0x820
[  381.612881]  ? do_syscall_64+0x9a/0x820
[  381.616939]  exit_to_usermode_loop+0x2e5/0x380
[  381.621556]  ? syscall_slow_exit_work+0x520/0x520
[  381.626430]  do_syscall_64+0x6be/0x820
[  381.630354]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  381.635743]  ? syscall_return_slowpath+0x5e0/0x5e0
[  381.640686]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.645546]  ? trace_hardirqs_on_caller+0x310/0x310
[  381.651494]  ? prepare_exit_to_usermode+0x291/0x3b0
[  381.656532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  381.661419]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  381.666632] RIP: 0033:0x41124a
[  381.669836] Code: Bad RIP value.
[  381.673209] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  381.680940] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  381.688243] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  381.695629] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  381.703028] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  381.710649] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  381.718064] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  381.718071] warn_alloc_show_mem: 1 callbacks suppressed
[  381.718078] Mem-Info:
[  381.725380] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  381.725390] Call Trace:
[  381.730787] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  381.730787]  active_file:8 inactive_file:19 isolated_file:0
[  381.730787]  unevictable:0 dirty:0 writeback:0 unstable:0
[  381.730787]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  381.730787]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  381.730787]  free:13709 free_pcp:257 free_cma:0
[  381.733176]  <IRQ>
[  381.742557] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  381.745237]  dump_stack+0x1c4/0x2b4
[  381.778704] Node 0 
[  381.780897]  ? dump_stack_print_info.cold.2+0x52/0x52
[  381.809273] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  381.812934]  warn_alloc.cold.119+0xb7/0x1bd
[  381.815151] lowmem_reserve[]:
[  381.820377]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  381.845879]  0 2819
[  381.850224]  ? lock_downgrade+0x900/0x900
[  381.853317]  6323
[  381.858201]  ? trace_hardirqs_off+0xb8/0x310
[  381.860427]  6323
[  381.864586]  ? trace_hardirqs_off+0xb8/0x310
[  381.871052]  __alloc_pages_slowpath+0x2667/0x2d80
[  381.873102] Node 0 
[  381.877542]  ? warn_alloc+0x120/0x120
[  381.882390] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  381.882399] lowmem_reserve[]:
[  381.884650]  ? trace_hardirqs_on+0x310/0x310
[  381.888485]  0 0
[  381.915224]  ? warn_alloc+0x120/0x120
[  381.918324]  3503
[  381.922770]  ? print_usage_bug+0xc0/0xc0
[  381.924738]  3503
[  381.928550]  ? warn_alloc+0x120/0x120
[  381.934716]  ? ktime_get+0x2e1/0x440
[  381.934733]  ? print_usage_bug+0xc0/0xc0
[  381.936789] Node 0 
[  381.940599]  ? __lock_acquire+0x7ec/0x4ec0
[  381.944394] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  381.944402] lowmem_reserve[]:
[  381.948478]  ? __lock_acquire+0x7ec/0x4ec0
[  381.950705]  0
[  381.954955]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  381.983306]  0 0
[  381.986466]  ? should_fail+0x22d/0xd01
[  381.990686]  0
[  381.992503]  ? __lock_acquire+0x7ec/0x4ec0
[  381.998032] Node 0 
[  382.000023]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.003908] DMA: 
[  382.005733]  ? __lock_acquire+0x7ec/0x4ec0
[  382.009960] 1*4kB 
[  382.012209]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  382.017300] (U) 
[  382.019390]  ? __lock_acquire+0x7ec/0x4ec0
[  382.019407]  ? should_fail+0x22d/0xd01
[  382.023631] 0*8kB 0*16kB 
[  382.025808]  ? mark_held_locks+0x130/0x130
[  382.030906] 1*32kB (U) 
[  382.032904]  ? mark_held_locks+0x130/0x130
[  382.037129] 2*64kB (U) 
[  382.041042]  ? graph_lock+0x170/0x170
[  382.043789] 1*128kB 
[  382.048031]  ? print_usage_bug+0xc0/0xc0
[  382.050607] (U) 
[  382.054896]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.057466] 1*256kB (U) 
[  382.061286]  ? check_preemption_disabled+0x48/0x200
[  382.063596] 0*512kB 
[  382.067671]  ? check_preemption_disabled+0x48/0x200
[  382.069635] 1*1024kB 
[  382.075675]  ? __lock_is_held+0xb5/0x140
[  382.078354] (U) 
[  382.083407]  __alloc_pages_nodemask+0xa80/0xde0
[  382.085720] 1*2048kB 
[  382.090790]  ? graph_lock+0x170/0x170
[  382.093192] (M) 
[  382.097264]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  382.099232] 3*4096kB 
[  382.103909]  ? graph_lock+0x170/0x170
[  382.106309] (M) 
[  382.110155]  ? find_held_lock+0x36/0x1c0
[  382.112199] = 15908kB
[  382.112208] Node 0 
[  382.117243]  ? ____cache_alloc_node+0x1c7/0x1e0
[  382.119634] DMA32: 4*4kB 
[  382.123457]  ? lock_downgrade+0x900/0x900
[  382.125424] (UM) 
[  382.129498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.131889] 2*8kB (UM) 
[  382.134146]  cache_grow_begin+0x91/0x8c0
[  382.138800] 2*16kB 
[  382.141571]  ? do_raw_spin_unlock+0xa7/0x2f0
[  382.145708] (M) 
[  382.147789]  fallback_alloc+0x203/0x2e0
[  382.153308] 3*32kB (UM) 
[  382.155952]  ____cache_alloc_node+0x1c7/0x1e0
[  382.160009] 5*64kB 
[  382.162259]  kmem_cache_alloc_node+0xe3/0x730
[  382.166655] (UM) 
[  382.168645]  ? ipv6_get_ifaddr+0x42e/0x620
[  382.172603] 4*128kB (UM) 
[  382.175301]  __alloc_skb+0x119/0x770
[  382.179774] 4*256kB (UM) 
[  382.182267]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  382.186747] 3*512kB (M) 
[  382.188843]  ? skb_scrub_packet+0x490/0x490
[  382.193070] 3*1024kB (UM) 
[  382.195871]  ? lock_downgrade+0x900/0x900
[  382.199581] 3*2048kB 
[  382.202380]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.207635] (M) 
[  382.210318]  ? refcount_sub_and_test_checked+0x203/0x310
[  382.214646] 3*4096kB (M) 
[  382.217516]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  382.221649] = 25056kB
[  382.221658] Node 0 
[  382.224078]  ? addrconf_rs_timer+0x690/0x690
[  382.229595] Normal: 798*4kB 
[  382.231596]  ndisc_alloc_skb+0x144/0x340
[  382.237025] (ME) 
[  382.239878]  ndisc_send_rs+0x331/0x6e0
[  382.245315] 471*8kB (UME) 
[  382.247772]  addrconf_rs_timer+0x314/0x690
[  382.249996] 208*16kB (UME) 
[  382.254425]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.257438] 76*32kB 
[  382.261517]  call_timer_fn+0x272/0x920
[  382.263613] (UME) 
[  382.267512]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.270362] 4*64kB (M) 
[  382.274615]  ? process_timeout+0x40/0x40
[  382.277534] 1*128kB (U) 
[  382.281787]  ? find_held_lock+0x36/0x1c0
[  382.284114] 1*256kB 
[  382.288014]  ? __run_timers+0x7da/0xc70
[  382.290164] (U) 
[  382.294413]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.296984] 1*512kB 
[  382.301051]  ? _raw_spin_unlock_irq+0x27/0x80
[  382.303712] (U) 
[  382.307783]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.310095] 0*1024kB 0*2048kB 
[  382.314092]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  382.316063] 0*4096kB 
[  382.320569]  ? trace_hardirqs_on+0xbd/0x310
[  382.322876] = 13872kB
[  382.322891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  382.327402]  ? kasan_check_read+0x11/0x20
[  382.327420]  ? __run_timers+0x7da/0xc70
[  382.329401] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  382.333638]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  382.336832] 1299 total pagecache pages
[  382.341451]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  382.344012] 0 pages in swap cache
[  382.348364]  __run_timers+0x7e5/0xc70
[  382.350767] Swap cache stats: add 0, delete 0, find 0/0
[  382.359615]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  382.363747] Free swap  = 0kB
[  382.367731]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  382.376288] Total swap = 0kB
[  382.376297] 1965979 pages RAM
[  382.381754]  ? graph_lock+0x170/0x170
[  382.385629] 0 pages HighMem/MovableOnly
[  382.385638] 342306 pages reserved
[  382.389881]  ? enqueue_hrtimer+0x1a5/0x560
[  382.393327] 0 pages cma reserved
[  382.397164]  ? lock_release+0x970/0x970
[  382.402586] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.407970]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  382.407992]  ? find_held_lock+0x36/0x1c0
[  382.408011]  ? graph_lock+0x170/0x170
[  382.411087] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.416054]  ? pvclock_read_flags+0x160/0x160
[  382.419082] syz-executor1 cpuset=
[  382.422198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.425986] /
[  382.429971]  ? check_preemption_disabled+0x48/0x200
[  382.433414]  mems_allowed=0
[  382.437660]  ? __lock_is_held+0xb5/0x140
[  382.502452]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.508004]  ? check_preemption_disabled+0x48/0x200
[  382.513064]  run_timer_softirq+0x52/0xb0
[  382.517143]  ? rcu_read_lock_sched_held+0x108/0x120
[  382.522172]  __do_softirq+0x30b/0xad8
[  382.525995]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  382.531118]  ? pvclock_read_flags+0x160/0x160
[  382.535626]  ? lapic_next_event+0x5a/0x90
[  382.539788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.545375]  ? check_preemption_disabled+0x48/0x200
[  382.550407]  ? check_preemption_disabled+0x48/0x200
[  382.555445]  ? kvm_clock_read+0x18/0x30
[  382.559437]  ? kvm_sched_clock_read+0x9/0x20
[  382.563861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.569417]  ? check_preemption_disabled+0x48/0x200
[  382.574465]  irq_exit+0x17f/0x1c0
[  382.577953]  smp_apic_timer_interrupt+0x1cb/0x760
[  382.582817]  ? smp_reschedule_interrupt+0x109/0x650
[  382.587847]  ? smp_call_function_single_interrupt+0x650/0x650
[  382.593751]  ? interrupt_entry+0xb5/0xf0
[  382.597826]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.602847]  ? trace_hardirqs_off_caller+0xbb/0x310
[  382.607877]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.612734]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.617759]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.622792]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.628373]  ? check_preemption_disabled+0x48/0x200
[  382.633408]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.638995]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.643860]  apic_timer_interrupt+0xf/0x20
[  382.648100]  </IRQ>
[  382.650472] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  382.655419] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  382.674348] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  382.682081] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  382.689382] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  382.696664] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  382.703953] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  382.711243] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  382.718565]  skb_clone+0x1bb/0x500
[  382.722121]  ? finish_task_switch+0x1b5/0x900
[  382.726631]  ? skb_split+0x11e0/0x11e0
[  382.730534]  ? preempt_notifier_register+0x200/0x200
[  382.735655]  ? __switch_to_asm+0x34/0x70
[  382.739729]  ? __switch_to_asm+0x34/0x70
[  382.743802]  ? __switch_to_asm+0x40/0x70
[  382.747891]  ? __switch_to_asm+0x34/0x70
[  382.751982]  ? __switch_to_asm+0x40/0x70
[  382.756056]  ? __switch_to_asm+0x34/0x70
[  382.760127]  ? __switch_to_asm+0x40/0x70
[  382.764200]  ? __switch_to_asm+0x34/0x70
[  382.768273]  ? __switch_to_asm+0x34/0x70
[  382.772375]  ? __switch_to_asm+0x40/0x70
[  382.776452]  ? __switch_to_asm+0x34/0x70
[  382.780535]  bpf_clone_redirect+0xb9/0x490
[  382.784858]  ? __schedule+0x874/0x1ed0
[  382.788772]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  382.793917]  ? __sched_text_start+0x8/0x8
[  382.798094]  ? lockdep_hardirqs_on+0x421/0x5c0
[  382.802691]  ? retint_kernel+0x2d/0x2d
[  382.806592]  ? trace_hardirqs_on_caller+0xc0/0x310
[  382.811539]  ? find_held_lock+0x36/0x1c0
[  382.815626]  ? lock_acquire+0x1ed/0x520
[  382.819615]  ? bpf_test_run+0x3cb/0x780
[  382.823609]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  382.829161]  ? check_preemption_disabled+0x48/0x200
[  382.834200]  ? kasan_check_read+0x11/0x20
[  382.838391]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  382.843687]  ? rcu_bh_qs+0xc0/0xc0
[  382.847240]  ? preempt_schedule+0x4d/0x60
[  382.851404]  ? ___preempt_schedule+0x16/0x18
[  382.855839]  ? bpf_test_run+0x25d/0x780
[  382.859872]  ? netlink_diag_dump+0x2a0/0x2a0
[  382.864297]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  382.869872]  ? bpf_test_init.isra.9+0x70/0x100
[  382.874475]  ? bpf_prog_test_run_skb+0x634/0xb40
[  382.879256]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  382.884111]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  382.889714]  ? fput+0x130/0x1a0
[  382.893030]  ? __bpf_prog_get+0x9b/0x290
[  382.897109]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  382.901962]  ? bpf_prog_test_run+0x130/0x1a0
[  382.906410]  ? __x64_sys_bpf+0x3d8/0x510
[  382.910488]  ? bpf_prog_get+0x20/0x20
[  382.914326]  ? do_syscall_64+0x1b9/0x820
[  382.918435]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  382.923827]  ? syscall_return_slowpath+0x5e0/0x5e0
[  382.928795]  ? trace_hardirqs_on_caller+0x310/0x310
[  382.933840]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  382.938871]  ? recalc_sigpending_tsk+0x180/0x180
[  382.943645]  ? kasan_check_write+0x14/0x20
[  382.947897]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  382.952820]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  382.958304] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  382.958419] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  382.965623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  382.965633] Call Trace:
[  382.972228] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  382.981490]  <IRQ>
[  382.984073] syz-executor4 cpuset=
[  382.994687]  dump_stack+0x1c4/0x2b4
[  382.996828] syz4
[  383.000290]  ? dump_stack_print_info.cold.2+0x52/0x52
[  383.003907]  mems_allowed=0
[  383.005902]  warn_alloc.cold.119+0xb7/0x1bd
[  383.018354]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  383.023223]  ? lock_downgrade+0x900/0x900
[  383.027403]  ? trace_hardirqs_off+0xb8/0x310
[  383.031830]  ? trace_hardirqs_off+0xb8/0x310
[  383.036264]  __alloc_pages_slowpath+0x2667/0x2d80
[  383.041150]  ? warn_alloc+0x120/0x120
[  383.044980]  ? warn_alloc+0x120/0x120
[  383.048795]  ? print_usage_bug+0xc0/0xc0
[  383.052876]  ? warn_alloc+0x120/0x120
[  383.056700]  ? print_usage_bug+0xc0/0xc0
[  383.060790]  ? __lock_acquire+0x7ec/0x4ec0
[  383.065034]  ? __lock_acquire+0x7ec/0x4ec0
[  383.069289]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.074917]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.080483]  ? should_fail+0x22d/0xd01
[  383.084399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.089516]  ? __lock_acquire+0x7ec/0x4ec0
[  383.093768]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  383.098884]  ? __lock_acquire+0x7ec/0x4ec0
[  383.103128]  ? should_fail+0x22d/0xd01
[  383.107043]  ? mark_held_locks+0x130/0x130
[  383.111296]  ? mark_held_locks+0x130/0x130
[  383.115565]  ? graph_lock+0x170/0x170
[  383.119391]  ? print_usage_bug+0xc0/0xc0
[  383.123464]  ? graph_lock+0x170/0x170
[  383.127277]  ? print_usage_bug+0xc0/0xc0
[  383.131372]  ? wq_watchdog_touch+0x9c/0xfe
[  383.135624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.141176]  ? check_preemption_disabled+0x48/0x200
[  383.146209]  ? check_preemption_disabled+0x48/0x200
[  383.151250]  ? __lock_is_held+0xb5/0x140
[  383.155354]  __alloc_pages_nodemask+0xa80/0xde0
[  383.160169]  ? graph_lock+0x170/0x170
[  383.163991]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  383.169016]  ? graph_lock+0x170/0x170
[  383.172841]  ? find_held_lock+0x36/0x1c0
[  383.176931]  ? ____cache_alloc_node+0x1c7/0x1e0
[  383.181614]  ? lock_downgrade+0x900/0x900
[  383.185811]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.191394]  cache_grow_begin+0x91/0x8c0
[  383.195474]  ? do_raw_spin_unlock+0xa7/0x2f0
[  383.199905]  fallback_alloc+0x203/0x2e0
[  383.203916]  ____cache_alloc_node+0x1c7/0x1e0
[  383.208431]  kmem_cache_alloc_node+0xe3/0x730
[  383.212940]  ? ipv6_get_ifaddr+0x42e/0x620
[  383.217399]  __alloc_skb+0x119/0x770
[  383.221129]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  383.226425]  ? skb_scrub_packet+0x490/0x490
[  383.230781]  ? lock_downgrade+0x900/0x900
[  383.234959]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.240511]  ? refcount_sub_and_test_checked+0x203/0x310
[  383.246016]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  383.251478]  ? addrconf_rs_timer+0x690/0x690
[  383.255922]  ndisc_alloc_skb+0x144/0x340
[  383.260003]  ndisc_send_rs+0x331/0x6e0
[  383.263912]  addrconf_rs_timer+0x314/0x690
[  383.268164]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.272428]  call_timer_fn+0x272/0x920
[  383.276356]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.280610]  ? process_timeout+0x40/0x40
[  383.284684]  ? find_held_lock+0x36/0x1c0
[  383.288766]  ? mark_held_locks+0xc7/0x130
[  383.292942]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.297464]  ? _raw_spin_unlock_irq+0x27/0x80
[  383.301976]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.306222]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  383.310818]  ? trace_hardirqs_on+0xbd/0x310
[  383.315153]  ? kasan_check_read+0x11/0x20
[  383.319319]  ? __run_timers+0x7da/0xc70
[  383.323360]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  383.328833]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.333105]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  383.337375]  __run_timers+0x7e5/0xc70
[  383.341206]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  383.346586]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.351616]  ? graph_lock+0x170/0x170
[  383.355435]  ? print_usage_bug+0xc0/0xc0
[  383.359525]  ? lock_release+0x970/0x970
[  383.363516]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  383.368730]  ? find_held_lock+0x36/0x1c0
[  383.372808]  ? graph_lock+0x170/0x170
[  383.376626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.382176]  ? check_preemption_disabled+0x48/0x200
[  383.387217]  ? __lock_is_held+0xb5/0x140
[  383.391292]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.396943]  ? check_preemption_disabled+0x48/0x200
[  383.402008]  run_timer_softirq+0x52/0xb0
[  383.406086]  ? rcu_read_lock_sched_held+0x108/0x120
[  383.411132]  __do_softirq+0x30b/0xad8
[  383.414961]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  383.420211]  ? pvclock_read_flags+0x160/0x160
[  383.424723]  ? lapic_next_event+0x5a/0x90
[  383.428887]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.434505]  ? check_preemption_disabled+0x48/0x200
[  383.439800]  ? check_preemption_disabled+0x48/0x200
[  383.444909]  ? kvm_clock_read+0x18/0x30
[  383.448898]  ? kvm_sched_clock_read+0x9/0x20
[  383.453353]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.458905]  ? check_preemption_disabled+0x48/0x200
[  383.463960]  irq_exit+0x17f/0x1c0
[  383.467435]  smp_apic_timer_interrupt+0x1cb/0x760
[  383.472292]  ? smp_call_function_single_interrupt+0x650/0x650
[  383.478192]  ? interrupt_entry+0xb5/0xf0
[  383.482294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.487897]  ? trace_hardirqs_off_caller+0xbb/0x310
[  383.492933]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.497795]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.502825]  ? trace_hardirqs_on_caller+0x310/0x310
[  383.507884]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.513439]  ? check_preemption_disabled+0x48/0x200
[  383.518466]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.524024]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  383.528905]  apic_timer_interrupt+0xf/0x20
[  383.533145]  </IRQ>
[  383.535397] RIP: 0010:lock_acquire+0x268/0x520
[  383.540006] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  383.558918] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  383.566694] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  383.574001] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  383.581281] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  383.588614] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  383.595895] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  383.603225]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.608780]  ? lock_release+0x970/0x970
[  383.612768]  ? activate_page+0x1040/0x1040
[  383.617022]  ? __unlock_page_memcg+0x53/0x100
[  383.621534]  ? check_preemption_disabled+0x48/0x200
[  383.626573]  lock_page_memcg+0x95/0x350
[  383.630562]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  383.635761]  ? rcu_bh_qs+0xc0/0xc0
[  383.639315]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  383.644561]  page_remove_rmap+0x855/0x1a30
[  383.648821]  ? page_add_file_rmap+0x1470/0x1470
[  383.653506]  ? __lock_is_held+0xb5/0x140
[  383.657598]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.663151]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.668701]  ? lru_add_drain_cpu+0x1c0/0x500
[  383.673132]  ? free_pages_and_swap_cache+0x475/0x6f0
[  383.678257]  ? free_page_and_swap_cache+0x950/0x950
[  383.683295]  ? kasan_check_read+0x11/0x20
[  383.687462]  ? page_mapcount+0x3b5/0x5d0
[  383.691544]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  383.696407]  ? lock_downgrade+0x900/0x900
[  383.700572]  ? lock_release+0x970/0x970
[  383.704562]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  383.709594]  ? _vm_normal_page+0x161/0x3c0
[  383.713848]  ? __pte_alloc_kernel+0x220/0x220
[  383.718389]  ? kasan_check_write+0x14/0x20
[  383.722677]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  383.727734]  ? __tlb_remove_page_size+0x187/0x500
[  383.732596]  unmap_page_range+0xf14/0x2030
[  383.736874]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  383.741393]  ? search_extable+0x80/0xb0
[  383.745389]  ? trim_init_extable+0x3a0/0x3a0
[  383.749830]  ? __get_user_8+0x21/0x2b
[  383.753647]  ? print_usage_bug+0xc0/0xc0
[  383.757724]  ? __lock_acquire+0x7ec/0x4ec0
[  383.761971]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  383.767528]  ? no_context+0xd9/0x980
[  383.771252]  ? lock_downgrade+0x900/0x900
[  383.775472]  ? graph_lock+0x170/0x170
[  383.779297]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.784886]  ? tlb_flush_mmu_free+0x135/0x1b0
[  383.789428]  ? find_held_lock+0x36/0x1c0
[  383.793512]  ? exit_mmap+0x4bb/0x590
[  383.797239]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  383.802788]  ? uprobe_munmap+0x14c/0x450
[  383.806870]  ? uprobe_mmap+0xd50/0xd50
[  383.810768]  ? lock_release+0x970/0x970
[  383.814770]  ? arch_local_save_flags+0x40/0x40
[  383.819392]  ? rwsem_down_write_failed+0xe/0x10
[  383.824079]  ? rwsem_down_write_failed+0xe/0x10
[  383.828760]  ? call_rwsem_down_write_failed+0x17/0x30
[  383.834089]  unmap_single_vma+0x19b/0x310
[  383.838262]  unmap_vmas+0x125/0x200
[  383.841911]  exit_mmap+0x2be/0x590
[  383.845468]  ? __ia32_sys_munmap+0x80/0x80
[  383.849750]  ? __might_sleep+0x95/0x190
[  383.853740]  mmput+0x247/0x610
[  383.856945]  ? lock_downgrade+0x900/0x900
[  383.861117]  ? set_mm_exe_file+0x200/0x200
[  383.865389]  ? kasan_check_read+0x11/0x20
[  383.869553]  ? do_raw_spin_unlock+0xa7/0x2f0
[  383.873979]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  383.878687]  ? kasan_check_write+0x14/0x20
[  383.882944]  ? do_raw_spin_lock+0xc1/0x200
[  383.887220]  do_exit+0xe6f/0x2610
[  383.890692]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  383.895747]  ? mm_update_next_owner+0x990/0x990
[  383.900430]  ? print_usage_bug+0xc0/0xc0
[  383.904504]  ? graph_lock+0x170/0x170
[  383.908326]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  383.913903]  ? check_preemption_disabled+0x48/0x200
[  383.918961]  ? check_preemption_disabled+0x48/0x200
[  383.924027]  ? print_usage_bug+0xc0/0xc0
[  383.928107]  ? __lock_acquire+0x7ec/0x4ec0
[  383.932384]  ? __lock_acquire+0x7ec/0x4ec0
[  383.936656]  ? mark_held_locks+0x130/0x130
[  383.940918]  ? mark_held_locks+0x130/0x130
[  383.945165]  ? kasan_check_write+0x14/0x20
[  383.949426]  ? finish_task_switch+0x2f5/0x900
[  383.953933]  ? __switch_to_asm+0x40/0x70
[  383.958010]  ? __switch_to_asm+0x34/0x70
[  383.962083]  ? __switch_to_asm+0x34/0x70
[  383.966153]  ? __switch_to_asm+0x40/0x70
[  383.970223]  ? __switch_to_asm+0x34/0x70
[  383.974296]  ? __switch_to_asm+0x40/0x70
[  383.978391]  ? __switch_to_asm+0x34/0x70
[  383.982469]  ? __switch_to_asm+0x34/0x70
[  383.986543]  ? __switch_to_asm+0x34/0x70
[  383.990617]  ? __switch_to_asm+0x34/0x70
[  383.994693]  ? __switch_to_asm+0x40/0x70
[  383.998767]  ? __switch_to_asm+0x34/0x70
[  384.002841]  ? __switch_to_asm+0x40/0x70
[  384.006963]  ? graph_lock+0x170/0x170
[  384.010774]  ? graph_lock+0x170/0x170
[  384.014594]  ? graph_lock+0x170/0x170
[  384.018412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.023972]  ? wait_consider_task+0x245/0x3bb0
[  384.028579]  ? memset+0x31/0x40
[  384.031885]  ? find_held_lock+0x36/0x1c0
[  384.036015]  ? get_signal+0x95b/0x1980
[  384.039919]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.044442]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.048970]  do_group_exit+0x177/0x440
[  384.053016]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.058482]  ? __ia32_sys_exit+0x50/0x50
[  384.062594]  get_signal+0x8b0/0x1980
[  384.066378]  ? ptrace_notify+0x130/0x130
[  384.070454]  ? do_wait+0x57d/0xb90
[  384.074159]  ? wait_consider_task+0x3bb0/0x3bb0
[  384.078832]  ? graph_lock+0x170/0x170
[  384.082650]  ? graph_lock+0x170/0x170
[  384.086467]  ? graph_lock+0x170/0x170
[  384.090299]  do_signal+0x9c/0x21e0
[  384.093894]  ? find_held_lock+0x36/0x1c0
[  384.097981]  ? setup_sigcontext+0x7d0/0x7d0
[  384.102315]  ? kernel_wait4+0x2e0/0x3f0
[  384.106325]  ? __ia32_sys_waitid+0x140/0x140
[  384.110787]  ? task_stopped_code+0x190/0x190
[  384.115212]  ? exit_to_usermode_loop+0x8c/0x380
[  384.119917]  ? __do_page_fault+0x4a6/0xed0
[  384.124167]  ? do_syscall_64+0x9a/0x820
[  384.128156]  ? do_syscall_64+0x9a/0x820
[  384.132149]  exit_to_usermode_loop+0x2e5/0x380
[  384.136747]  ? syscall_slow_exit_work+0x520/0x520
[  384.141615]  do_syscall_64+0x6be/0x820
[  384.145517]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  384.150897]  ? syscall_return_slowpath+0x5e0/0x5e0
[  384.155841]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.160712]  ? trace_hardirqs_on_caller+0x310/0x310
[  384.165746]  ? prepare_exit_to_usermode+0x291/0x3b0
[  384.170789]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  384.175655]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  384.180865] RIP: 0033:0x41124a
[  384.184579] Code: Bad RIP value.
[  384.187950] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  384.195672] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  384.202951] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  384.210271] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  384.217551] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  384.224896] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  384.232205] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  384.232211] warn_alloc_show_mem: 1 callbacks suppressed
[  384.232219] Mem-Info:
[  384.239500] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  384.239510] Call Trace:
[  384.244900] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  384.244900]  active_file:8 inactive_file:19 isolated_file:0
[  384.244900]  unevictable:0 dirty:0 writeback:0 unstable:0
[  384.244900]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  384.244900]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  384.244900]  free:13709 free_pcp:257 free_cma:0
[  384.247286]  <IRQ>
[  384.256666] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  384.259266]  dump_stack+0x1c4/0x2b4
[  384.292220] Node 0 
[  384.294400]  ? dump_stack_print_info.cold.2+0x52/0x52
[  384.322085] 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
[  384.325710]  warn_alloc.cold.119+0xb7/0x1bd
[  384.327920] lowmem_reserve[]: 0
[  384.333130]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  384.360738]  2819
[  384.365075]  ? lock_downgrade+0x900/0x900
[  384.368371]  6323
[  384.373230]  ? trace_hardirqs_off+0xb8/0x310
[  384.375278]  6323
[  384.379436]  ? trace_hardirqs_off+0xb8/0x310
[  384.385904]  __alloc_pages_slowpath+0x2667/0x2d80
[  384.387962] Node 0 
[  384.392427]  ? warn_alloc+0x120/0x120
[  384.397263] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  384.399488]  ? trace_hardirqs_on+0x310/0x310
[  384.403273] lowmem_reserve[]: 0
[  384.430174]  ? warn_alloc+0x120/0x120
[  384.434574]  0
[  384.437862]  ? print_usage_bug+0xc0/0xc0
[  384.441670]  3503
[  384.443486]  ? warn_alloc+0x120/0x120
[  384.447532]  3503
[  384.449607]  ? ktime_get+0x2e1/0x440
[  384.449624]  ? print_usage_bug+0xc0/0xc0
[  384.453419] Node 0 
[  384.455495]  ? __lock_acquire+0x7ec/0x4ec0
[  384.459231] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  384.463276]  ? __lock_acquire+0x7ec/0x4ec0
[  384.465505] lowmem_reserve[]:
[  384.469751]  ? kasan_check_read+0x11/0x20
[  384.498100]  0 0
[  384.502380]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  384.505470]  0
[  384.509626]  ? should_fail+0x22d/0xd01
[  384.511594]  0
[  384.517146]  ? rcu_bh_qs+0xc0/0xc0
[  384.522862]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.524663] Node 0 
[  384.528214]  ? __lock_acquire+0x7ec/0x4ec0
[  384.533395] DMA: 
[  384.535687]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  384.539913] 1*4kB 
[  384.541979]  ? __lock_acquire+0x7ec/0x4ec0
[  384.541996]  ? should_fail+0x22d/0xd01
[  384.547092] (U) 
[  384.549253]  ? rcu_idle_enter+0x4b0/0x4b0
[  384.553481] 0*8kB 
[  384.557400]  ? mark_held_locks+0x130/0x130
[  384.559385] 0*16kB 
[  384.563541]  ? mark_held_locks+0x130/0x130
[  384.565674] 1*32kB (U) 
[  384.569936]  ? mark_held_locks+0xc7/0x130
[  384.572162] 2*64kB 
[  384.576409]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  384.576425]  ? graph_lock+0x170/0x170
[  384.579016] (U) 
[  384.583172]  ? print_usage_bug+0xc0/0xc0
[  384.585403] 1*128kB 
[  384.590429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.594218] (U) 
[  384.596209]  ? check_preemption_disabled+0x48/0x200
[  384.600259] 1*256kB 
[  384.602589]  ? check_preemption_disabled+0x48/0x200
[  384.602615]  ? __lock_is_held+0xb5/0x140
[  384.608130] (U) 0*512kB 
[  384.610131]  __alloc_pages_nodemask+0xa80/0xde0
[  384.615131] 1*1024kB 
[  384.617464]  ? graph_lock+0x170/0x170
[  384.622471] (U) 
[  384.626544]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  384.629225] 1*2048kB 
[  384.633903]  ? graph_lock+0x170/0x170
[  384.636300] (M) 3*4096kB 
[  384.640149]  ? find_held_lock+0x36/0x1c0
[  384.642110] (M) 
[  384.647285]  ? ____cache_alloc_node+0x1c7/0x1e0
[  384.649684] = 15908kB
[  384.653493]  ? lock_downgrade+0x900/0x900
[  384.656249] Node 0 
[  384.660370]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.662357] DMA32: 
[  384.667044]  cache_grow_begin+0x91/0x8c0
[  384.669514] 4*4kB 
[  384.673675]  ? do_raw_spin_unlock+0xa7/0x2f0
[  384.675909] (UM) 
[  384.681460]  fallback_alloc+0x203/0x2e0
[  384.683686] 2*8kB 
[  384.687758]  ____cache_alloc_node+0x1c7/0x1e0
[  384.689897] (UM) 
[  384.694319]  kmem_cache_alloc_node+0xe3/0x730
[  384.696395] 2*16kB 
[  384.700396]  ? ipv6_get_ifaddr+0x42e/0x620
[  384.702533] (M) 
[  384.707043]  __alloc_skb+0x119/0x770
[  384.709085] 3*32kB (UM) 
[  384.713693]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  384.715913] 5*64kB (UM) 
[  384.720357]  ? skb_scrub_packet+0x490/0x490
[  384.722326] 4*128kB 
[  384.726142]  ? lock_downgrade+0x900/0x900
[  384.728808] (UM) 
[  384.734112]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.736768] 4*256kB (UM) 
[  384.741120]  ? refcount_sub_and_test_checked+0x203/0x310
[  384.743437] 3*512kB 
[  384.747593]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  384.749635] (M) 3*1024kB 
[  384.755218]  ? addrconf_rs_timer+0x690/0x690
[  384.757975] (UM) 
[  384.763444]  ndisc_alloc_skb+0x144/0x340
[  384.765751] 3*2048kB 
[  384.771212]  ndisc_send_rs+0x331/0x6e0
[  384.773952] (M) 3*4096kB 
[  384.778398]  addrconf_rs_timer+0x314/0x690
[  384.780453] (M) 
[  384.784525]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.786918] = 25056kB
[  384.786928] Node 0 
[  384.790849]  call_timer_fn+0x272/0x920
[  384.793583] Normal: 798*4kB 
[  384.797838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.799825] (ME) 
[  384.804069]  ? process_timeout+0x40/0x40
[  384.806470] 471*8kB 
[  384.808712]  ? find_held_lock+0x36/0x1c0
[  384.812600] (UME) 
[  384.815633]  ? __run_timers+0x7da/0xc70
[  384.819850] 208*16kB (UME) 
[  384.821945]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.825991] 76*32kB 
[  384.828368]  ? _raw_spin_unlock_irq+0x27/0x80
[  384.832411] (UME) 4*64kB 
[  384.834579]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.838547] (M) 1*128kB 
[  384.841508]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  384.845991] (U) 
[  384.848329]  ? trace_hardirqs_on+0xbd/0x310
[  384.852838] 1*256kB 
[  384.855603]  ? kasan_check_read+0x11/0x20
[  384.855620]  ? __run_timers+0x7da/0xc70
[  384.859841] (U) 1*512kB 
[  384.862538]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  384.867104] (U) 0*1024kB 
[  384.869132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.873436] 0*2048kB 0*4096kB 
[  384.875781]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  384.879913] = 13872kB
[  384.879929] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  384.883906]  __run_timers+0x7e5/0xc70
[  384.886576] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  384.892037]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  384.894782] 1299 total pagecache pages
[  384.899025]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  384.902216] 0 pages in swap cache
[  384.906452]  ? graph_lock+0x170/0x170
[  384.908858] Swap cache stats: add 0, delete 0, find 0/0
[  384.917713]  ? enqueue_hrtimer+0x1a5/0x560
[  384.921506] Free swap  = 0kB
[  384.930080]  ? lock_release+0x970/0x970
[  384.930097]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  384.935457] Total swap = 0kB
[  384.939381]  ? find_held_lock+0x36/0x1c0
[  384.944386] 1965979 pages RAM
[  384.947848]  ? graph_lock+0x170/0x170
[  384.951638] 0 pages HighMem/MovableOnly
[  384.951648] 342306 pages reserved
[  384.957020]  ? pvclock_read_flags+0x160/0x160
[  384.961238] 0 pages cma reserved
[  384.961323] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  384.964277]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.968361] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  384.973448]  ? check_preemption_disabled+0x48/0x200
[  384.976456] syz-executor1 cpuset=
[  384.980535]  ? __lock_is_held+0xb5/0x140
[  384.983632] /
[  384.987448]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  384.991420]  mems_allowed=0
[  384.994879]  ? check_preemption_disabled+0x48/0x200
[  384.994903]  run_timer_softirq+0x52/0xb0
[  385.057008]  ? rcu_read_lock_sched_held+0x108/0x120
[  385.062045]  __do_softirq+0x30b/0xad8
[  385.065874]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  385.071001]  ? pvclock_read_flags+0x160/0x160
[  385.075513]  ? lapic_next_event+0x5a/0x90
[  385.079676]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.085235]  ? check_preemption_disabled+0x48/0x200
[  385.090264]  ? check_preemption_disabled+0x48/0x200
[  385.095301]  ? kvm_clock_read+0x18/0x30
[  385.099310]  ? kvm_sched_clock_read+0x9/0x20
[  385.103773]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.109326]  ? check_preemption_disabled+0x48/0x200
[  385.114416]  irq_exit+0x17f/0x1c0
[  385.117883]  smp_apic_timer_interrupt+0x1cb/0x760
[  385.122741]  ? smp_reschedule_interrupt+0x109/0x650
[  385.127779]  ? smp_call_function_single_interrupt+0x650/0x650
[  385.133678]  ? interrupt_entry+0xb5/0xf0
[  385.137767]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.142794]  ? trace_hardirqs_off_caller+0xbb/0x310
[  385.147823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.152680]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.157709]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.162860]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.168418]  ? check_preemption_disabled+0x48/0x200
[  385.173451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.179012]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.183875]  apic_timer_interrupt+0xf/0x20
[  385.188115]  </IRQ>
[  385.190398] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  385.195359] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  385.214294] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  385.222037] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  385.229323] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  385.236688] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  385.244037] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  385.251387] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  385.258713]  skb_clone+0x1bb/0x500
[  385.262270]  ? finish_task_switch+0x1b5/0x900
[  385.266782]  ? skb_split+0x11e0/0x11e0
[  385.270686]  ? preempt_notifier_register+0x200/0x200
[  385.275804]  ? __switch_to_asm+0x34/0x70
[  385.279895]  ? __switch_to_asm+0x34/0x70
[  385.283981]  ? __switch_to_asm+0x40/0x70
[  385.288063]  ? __switch_to_asm+0x34/0x70
[  385.292136]  ? __switch_to_asm+0x40/0x70
[  385.296208]  ? __switch_to_asm+0x34/0x70
[  385.300275]  ? __switch_to_asm+0x40/0x70
[  385.304379]  ? __switch_to_asm+0x34/0x70
[  385.308460]  ? __switch_to_asm+0x34/0x70
[  385.312536]  ? __switch_to_asm+0x40/0x70
[  385.316611]  ? __switch_to_asm+0x34/0x70
[  385.320692]  bpf_clone_redirect+0xb9/0x490
[  385.324942]  ? __schedule+0x874/0x1ed0
[  385.328860]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  385.333886]  ? __sched_text_start+0x8/0x8
[  385.338052]  ? lockdep_hardirqs_on+0x421/0x5c0
[  385.342647]  ? retint_kernel+0x2d/0x2d
[  385.346552]  ? trace_hardirqs_on_caller+0xc0/0x310
[  385.351499]  ? find_held_lock+0x36/0x1c0
[  385.355579]  ? lock_acquire+0x1ed/0x520
[  385.359566]  ? bpf_test_run+0x3cb/0x780
[  385.363555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.369158]  ? check_preemption_disabled+0x48/0x200
[  385.374198]  ? kasan_check_read+0x11/0x20
[  385.378383]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  385.383677]  ? rcu_bh_qs+0xc0/0xc0
[  385.387234]  ? preempt_schedule+0x4d/0x60
[  385.391405]  ? ___preempt_schedule+0x16/0x18
[  385.395833]  ? bpf_test_run+0x25d/0x780
[  385.399947]  ? netlink_diag_dump+0x2a0/0x2a0
[  385.404397]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.409971]  ? bpf_test_init.isra.9+0x70/0x100
[  385.414574]  ? bpf_prog_test_run_skb+0x634/0xb40
[  385.419375]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  385.424283]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  385.429837]  ? fput+0x130/0x1a0
[  385.433132]  ? __bpf_prog_get+0x9b/0x290
[  385.437210]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  385.442067]  ? bpf_prog_test_run+0x130/0x1a0
[  385.446492]  ? __x64_sys_bpf+0x3d8/0x510
[  385.450564]  ? bpf_prog_get+0x20/0x20
[  385.454414]  ? do_syscall_64+0x1b9/0x820
[  385.458487]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  385.463864]  ? syscall_return_slowpath+0x5e0/0x5e0
[  385.468832]  ? trace_hardirqs_on_caller+0x310/0x310
[  385.473886]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  385.478916]  ? recalc_sigpending_tsk+0x180/0x180
[  385.483690]  ? kasan_check_write+0x14/0x20
[  385.487955]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  385.492821]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  385.498230] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  385.498316] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  385.505522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  385.505531] Call Trace:
[  385.512119] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  385.521389]  <IRQ>
[  385.523975] syz-executor4 cpuset=
[  385.534523]  dump_stack+0x1c4/0x2b4
[  385.536668] syz4
[  385.540132]  ? dump_stack_print_info.cold.2+0x52/0x52
[  385.543761]  mems_allowed=0
[  385.545766]  warn_alloc.cold.119+0xb7/0x1bd
[  385.558201]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  385.563062]  ? lock_downgrade+0x900/0x900
[  385.567230]  ? trace_hardirqs_off+0xb8/0x310
[  385.571660]  ? trace_hardirqs_off+0xb8/0x310
[  385.576093]  __alloc_pages_slowpath+0x2667/0x2d80
[  385.580981]  ? warn_alloc+0x120/0x120
[  385.584795]  ? trace_hardirqs_on+0x310/0x310
[  385.589216]  ? warn_alloc+0x120/0x120
[  385.593032]  ? print_usage_bug+0xc0/0xc0
[  385.597110]  ? warn_alloc+0x120/0x120
[  385.600955]  ? ktime_get+0x2e1/0x440
[  385.604695]  ? print_usage_bug+0xc0/0xc0
[  385.608772]  ? __lock_acquire+0x7ec/0x4ec0
[  385.613020]  ? __lock_acquire+0x7ec/0x4ec0
[  385.617269]  ? kasan_check_read+0x11/0x20
[  385.621432]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  385.626988]  ? should_fail+0x22d/0xd01
[  385.630895]  ? rcu_bh_qs+0xc0/0xc0
[  385.634454]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.639568]  ? __lock_acquire+0x7ec/0x4ec0
[  385.643822]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  385.648933]  ? __lock_acquire+0x7ec/0x4ec0
[  385.653179]  ? should_fail+0x22d/0xd01
[  385.657082]  ? rcu_idle_enter+0x4b0/0x4b0
[  385.661296]  ? mark_held_locks+0x130/0x130
[  385.665551]  ? mark_held_locks+0x130/0x130
[  385.669820]  ? mark_held_locks+0xc7/0x130
[  385.673981]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  385.679011]  ? graph_lock+0x170/0x170
[  385.682827]  ? print_usage_bug+0xc0/0xc0
[  385.686918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.692469]  ? check_preemption_disabled+0x48/0x200
[  385.697503]  ? check_preemption_disabled+0x48/0x200
[  385.702547]  ? __lock_is_held+0xb5/0x140
[  385.706630]  __alloc_pages_nodemask+0xa80/0xde0
[  385.711317]  ? graph_lock+0x170/0x170
[  385.715161]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  385.720188]  ? graph_lock+0x170/0x170
[  385.724012]  ? find_held_lock+0x36/0x1c0
[  385.728096]  ? ____cache_alloc_node+0x1c7/0x1e0
[  385.732784]  ? lock_downgrade+0x900/0x900
[  385.736956]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.742538]  cache_grow_begin+0x91/0x8c0
[  385.746616]  ? do_raw_spin_unlock+0xa7/0x2f0
[  385.751051]  fallback_alloc+0x203/0x2e0
[  385.755047]  ____cache_alloc_node+0x1c7/0x1e0
[  385.759564]  kmem_cache_alloc_node+0xe3/0x730
[  385.764075]  ? ipv6_get_ifaddr+0x42e/0x620
[  385.768358]  __alloc_skb+0x119/0x770
[  385.772096]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  385.777400]  ? skb_scrub_packet+0x490/0x490
[  385.781747]  ? lock_downgrade+0x900/0x900
[  385.785913]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.791467]  ? refcount_sub_and_test_checked+0x203/0x310
[  385.796934]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  385.802400]  ? addrconf_rs_timer+0x690/0x690
[  385.806834]  ndisc_alloc_skb+0x144/0x340
[  385.810917]  ndisc_send_rs+0x331/0x6e0
[  385.814825]  addrconf_rs_timer+0x314/0x690
[  385.819079]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.823368]  call_timer_fn+0x272/0x920
[  385.827268]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.831520]  ? process_timeout+0x40/0x40
[  385.835596]  ? find_held_lock+0x36/0x1c0
[  385.839689]  ? mark_held_locks+0xc7/0x130
[  385.843856]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.848385]  ? _raw_spin_unlock_irq+0x27/0x80
[  385.852891]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.857139]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  385.861748]  ? trace_hardirqs_on+0xbd/0x310
[  385.866080]  ? kasan_check_read+0x11/0x20
[  385.870253]  ? __run_timers+0x7da/0xc70
[  385.874242]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  385.879709]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.884403]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  385.888668]  __run_timers+0x7e5/0xc70
[  385.892499]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  385.897884]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  385.902916]  ? graph_lock+0x170/0x170
[  385.906740]  ? print_usage_bug+0xc0/0xc0
[  385.910816]  ? lock_release+0x970/0x970
[  385.914811]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  385.920019]  ? find_held_lock+0x36/0x1c0
[  385.924098]  ? graph_lock+0x170/0x170
[  385.927916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.933471]  ? check_preemption_disabled+0x48/0x200
[  385.938515]  ? __lock_is_held+0xb5/0x140
[  385.942592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.948143]  ? check_preemption_disabled+0x48/0x200
[  385.953232]  run_timer_softirq+0x52/0xb0
[  385.957305]  ? rcu_read_lock_sched_held+0x108/0x120
[  385.962373]  __do_softirq+0x30b/0xad8
[  385.966203]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  385.971325]  ? pvclock_read_flags+0x160/0x160
[  385.975914]  ? lapic_next_event+0x5a/0x90
[  385.980079]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  385.985628]  ? check_preemption_disabled+0x48/0x200
[  385.990657]  ? check_preemption_disabled+0x48/0x200
[  385.995693]  ? kvm_clock_read+0x18/0x30
[  385.999702]  ? kvm_sched_clock_read+0x9/0x20
[  386.004133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.009687]  ? check_preemption_disabled+0x48/0x200
[  386.014730]  irq_exit+0x17f/0x1c0
[  386.018197]  smp_apic_timer_interrupt+0x1cb/0x760
[  386.023107]  ? smp_call_function_single_interrupt+0x650/0x650
[  386.029058]  ? interrupt_entry+0xb5/0xf0
[  386.033408]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.038442]  ? trace_hardirqs_off_caller+0xbb/0x310
[  386.043473]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.048331]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.053396]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.058431]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.063997]  ? check_preemption_disabled+0x48/0x200
[  386.069027]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.074847]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.079716]  apic_timer_interrupt+0xf/0x20
[  386.083958]  </IRQ>
[  386.086208] RIP: 0010:lock_acquire+0x268/0x520
[  386.090805] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  386.109857] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  386.117591] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  386.124881] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  386.132157] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  386.139492] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  386.146825] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  386.154136]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.159707]  ? lock_release+0x970/0x970
[  386.163694]  ? activate_page+0x1040/0x1040
[  386.167948]  ? __unlock_page_memcg+0x53/0x100
[  386.172511]  ? check_preemption_disabled+0x48/0x200
[  386.177553]  lock_page_memcg+0x95/0x350
[  386.181944]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  386.187145]  ? rcu_bh_qs+0xc0/0xc0
[  386.190703]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  386.195921]  page_remove_rmap+0x855/0x1a30
[  386.200175]  ? page_add_file_rmap+0x1470/0x1470
[  386.204859]  ? __lock_is_held+0xb5/0x140
[  386.208953]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.214505]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.220060]  ? lru_add_drain_cpu+0x1c0/0x500
[  386.224498]  ? free_pages_and_swap_cache+0x475/0x6f0
[  386.229627]  ? free_page_and_swap_cache+0x950/0x950
[  386.234689]  ? kasan_check_read+0x11/0x20
[  386.238936]  ? page_mapcount+0x3b5/0x5d0
[  386.243015]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  386.248137]  ? lock_downgrade+0x900/0x900
[  386.252304]  ? lock_release+0x970/0x970
[  386.256318]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  386.261390]  ? _vm_normal_page+0x161/0x3c0
[  386.265643]  ? __pte_alloc_kernel+0x220/0x220
[  386.270152]  ? kasan_check_write+0x14/0x20
[  386.274404]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  386.279436]  ? __tlb_remove_page_size+0x187/0x500
[  386.284298]  unmap_page_range+0xf14/0x2030
[  386.288591]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  386.293105]  ? search_extable+0x80/0xb0
[  386.297092]  ? trim_init_extable+0x3a0/0x3a0
[  386.301514]  ? __get_user_8+0x21/0x2b
[  386.305328]  ? print_usage_bug+0xc0/0xc0
[  386.309501]  ? __lock_acquire+0x7ec/0x4ec0
[  386.313757]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  386.319310]  ? no_context+0xd9/0x980
[  386.323257]  ? lock_downgrade+0x900/0x900
[  386.327436]  ? graph_lock+0x170/0x170
[  386.331260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.336811]  ? tlb_flush_mmu_free+0x135/0x1b0
[  386.341326]  ? find_held_lock+0x36/0x1c0
[  386.345436]  ? exit_mmap+0x4bb/0x590
[  386.349187]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  386.354737]  ? uprobe_munmap+0x14c/0x450
[  386.358829]  ? uprobe_mmap+0xd50/0xd50
[  386.362741]  ? lock_release+0x970/0x970
[  386.366729]  ? arch_local_save_flags+0x40/0x40
[  386.371332]  ? rwsem_down_write_failed+0xe/0x10
[  386.376043]  ? rwsem_down_write_failed+0xe/0x10
[  386.380724]  ? call_rwsem_down_write_failed+0x17/0x30
[  386.385946]  unmap_single_vma+0x19b/0x310
[  386.390124]  unmap_vmas+0x125/0x200
[  386.393776]  exit_mmap+0x2be/0x590
[  386.397460]  ? __ia32_sys_munmap+0x80/0x80
[  386.401732]  ? __might_sleep+0x95/0x190
[  386.405723]  mmput+0x247/0x610
[  386.408932]  ? lock_downgrade+0x900/0x900
[  386.413092]  ? set_mm_exe_file+0x200/0x200
[  386.417369]  ? kasan_check_read+0x11/0x20
[  386.421537]  ? do_raw_spin_unlock+0xa7/0x2f0
[  386.426014]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  386.430855]  ? kasan_check_write+0x14/0x20
[  386.435111]  ? do_raw_spin_lock+0xc1/0x200
[  386.439386]  do_exit+0xe6f/0x2610
[  386.442856]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  386.447909]  ? mm_update_next_owner+0x990/0x990
[  386.452591]  ? print_usage_bug+0xc0/0xc0
[  386.456664]  ? graph_lock+0x170/0x170
[  386.460484]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.466041]  ? check_preemption_disabled+0x48/0x200
[  386.471079]  ? check_preemption_disabled+0x48/0x200
[  386.476114]  ? print_usage_bug+0xc0/0xc0
[  386.480197]  ? __lock_acquire+0x7ec/0x4ec0
[  386.484457]  ? __lock_acquire+0x7ec/0x4ec0
[  386.488725]  ? mark_held_locks+0x130/0x130
[  386.492984]  ? mark_held_locks+0x130/0x130
[  386.497231]  ? kasan_check_write+0x14/0x20
[  386.501485]  ? finish_task_switch+0x2f5/0x900
[  386.505998]  ? __switch_to_asm+0x40/0x70
[  386.510079]  ? __switch_to_asm+0x34/0x70
[  386.514153]  ? __switch_to_asm+0x34/0x70
[  386.518225]  ? __switch_to_asm+0x40/0x70
[  386.522298]  ? __switch_to_asm+0x34/0x70
[  386.526392]  ? __switch_to_asm+0x40/0x70
[  386.530465]  ? __switch_to_asm+0x34/0x70
[  386.534540]  ? __switch_to_asm+0x34/0x70
[  386.538614]  ? __switch_to_asm+0x34/0x70
[  386.542687]  ? __switch_to_asm+0x34/0x70
[  386.546774]  ? __switch_to_asm+0x40/0x70
[  386.550859]  ? __switch_to_asm+0x34/0x70
[  386.554989]  ? __switch_to_asm+0x40/0x70
[  386.559068]  ? graph_lock+0x170/0x170
[  386.562884]  ? graph_lock+0x170/0x170
[  386.566713]  ? graph_lock+0x170/0x170
[  386.570533]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  386.576089]  ? wait_consider_task+0x245/0x3bb0
[  386.580712]  ? memset+0x31/0x40
[  386.584031]  ? find_held_lock+0x36/0x1c0
[  386.588116]  ? get_signal+0x95b/0x1980
[  386.592022]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.596673]  ? _raw_spin_unlock_irq+0x27/0x80
[  386.601190]  do_group_exit+0x177/0x440
[  386.605095]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  386.610562]  ? __ia32_sys_exit+0x50/0x50
[  386.614660]  get_signal+0x8b0/0x1980
[  386.618407]  ? ptrace_notify+0x130/0x130
[  386.622484]  ? do_wait+0x57d/0xb90
[  386.626048]  ? wait_consider_task+0x3bb0/0x3bb0
[  386.630739]  ? graph_lock+0x170/0x170
[  386.634551]  ? graph_lock+0x170/0x170
[  386.638387]  ? graph_lock+0x170/0x170
[  386.642235]  do_signal+0x9c/0x21e0
[  386.645792]  ? find_held_lock+0x36/0x1c0
[  386.649880]  ? setup_sigcontext+0x7d0/0x7d0
[  386.654266]  ? kernel_wait4+0x2e0/0x3f0
[  386.658259]  ? __ia32_sys_waitid+0x140/0x140
[  386.662691]  ? task_stopped_code+0x190/0x190
[  386.667116]  ? exit_to_usermode_loop+0x8c/0x380
[  386.671828]  ? __do_page_fault+0x4a6/0xed0
[  386.676093]  ? do_syscall_64+0x9a/0x820
[  386.680079]  ? do_syscall_64+0x9a/0x820
[  386.684071]  exit_to_usermode_loop+0x2e5/0x380
[  386.688673]  ? syscall_slow_exit_work+0x520/0x520
[  386.693541]  do_syscall_64+0x6be/0x820
[  386.697461]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  386.702853]  ? syscall_return_slowpath+0x5e0/0x5e0
[  386.707832]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.712695]  ? trace_hardirqs_on_caller+0x310/0x310
[  386.717782]  ? prepare_exit_to_usermode+0x291/0x3b0
[  386.722821]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  386.727688]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  386.732895] RIP: 0033:0x41124a
[  386.736104] Code: Bad RIP value.
[  386.739479] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  386.747201] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  386.754480] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  386.761765] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  386.769043] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  386.776320] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  386.783654] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  386.783661] warn_alloc_show_mem: 1 callbacks suppressed
[  386.783668] Mem-Info:
[  386.790951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  386.790961] Call Trace:
[  386.796369] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  386.796369]  active_file:8 inactive_file:19 isolated_file:0
[  386.796369]  unevictable:0 dirty:0 writeback:0 unstable:0
[  386.796369]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  386.796369]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  386.796369]  free:13709 free_pcp:257 free_cma:0
[  386.798766]  <IRQ>
[  386.808191] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  386.810817]  dump_stack+0x1c4/0x2b4
[  386.843774] Node 0 
[  386.845939]  ? dump_stack_print_info.cold.2+0x52/0x52
[  386.873626] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  386.877249]  warn_alloc.cold.119+0xb7/0x1bd
[  386.879469] lowmem_reserve[]:
[  386.884670]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  386.910157]  0 2819
[  386.914503]  ? lock_downgrade+0x900/0x900
[  386.917604]  6323
[  386.922463]  ? trace_hardirqs_off+0xb8/0x310
[  386.924744]  6323
[  386.928910]  ? trace_hardirqs_off+0xb8/0x310
[  386.930978] Node 0 
[  386.935412]  __alloc_pages_slowpath+0x2667/0x2d80
[  386.937486] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  386.941927]  ? warn_alloc+0x120/0x120
[  386.944138] lowmem_reserve[]:
[  386.948993]  ? trace_hardirqs_on+0x310/0x310
[  386.975706]  0 0
[  386.979528]  ? warn_alloc+0x120/0x120
[  386.982625]  3503
[  386.987042]  ? print_usage_bug+0xc0/0xc0
[  386.989011]  3503
[  386.992821]  ? warn_alloc+0x120/0x120
[  386.998986]  ? ktime_get+0x2e1/0x440
[  386.999003]  ? print_usage_bug+0xc0/0xc0
[  387.001062] Node 0 
[  387.004934]  ? __lock_acquire+0x7ec/0x4ec0
[  387.008704] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  387.012749]  ? __lock_acquire+0x7ec/0x4ec0
[  387.014974] lowmem_reserve[]:
[  387.019223]  ? kasan_check_read+0x11/0x20
[  387.047583]  0 0
[  387.051956]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.055096]  0
[  387.059324]  ? should_fail+0x22d/0xd01
[  387.061394]  0
[  387.066954]  ? rcu_bh_qs+0xc0/0xc0
[  387.072716]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.074518] Node 0 
[  387.078116]  ? __lock_acquire+0x7ec/0x4ec0
[  387.083200] DMA: 1*4kB 
[  387.085458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  387.089683] (U) 
[  387.092273]  ? __lock_acquire+0x7ec/0x4ec0
[  387.092290]  ? should_fail+0x22d/0xd01
[  387.097394] 0*8kB 
[  387.099401]  ? rcu_idle_enter+0x4b0/0x4b0
[  387.103622] 0*16kB 
[  387.107535]  ? mark_held_locks+0x130/0x130
[  387.109671] 1*32kB 
[  387.113824]  ? mark_held_locks+0x130/0x130
[  387.116062] (U) 
[  387.120308]  ? mark_held_locks+0xc7/0x130
[  387.122531] 2*64kB (U) 
[  387.126786]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  387.128753] 1*128kB 
[  387.132914]  ? graph_lock+0x170/0x170
[  387.135489] (U) 
[  387.140516]  ? print_usage_bug+0xc0/0xc0
[  387.142832] 1*256kB 
[  387.146645]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.148607] (U) 0*512kB 
[  387.152693]  ? check_preemption_disabled+0x48/0x200
[  387.155009] 1*1024kB 
[  387.160553]  ? check_preemption_disabled+0x48/0x200
[  387.163211] (U) 
[  387.168239]  ? __lock_is_held+0xb5/0x140
[  387.170637] 1*2048kB 
[  387.175664]  __alloc_pages_nodemask+0xa80/0xde0
[  387.177639] (M) 
[  387.181708]  ? graph_lock+0x170/0x170
[  387.184117] 3*4096kB 
[  387.188797]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  387.190761] (M) 
[  387.194569]  ? graph_lock+0x170/0x170
[  387.196971] = 15908kB
[  387.202002]  ? find_held_lock+0x36/0x1c0
[  387.203967] Node 0 
[  387.207850]  ? ____cache_alloc_node+0x1c7/0x1e0
[  387.210300] DMA32: 4*4kB 
[  387.214407]  ? lock_downgrade+0x900/0x900
[  387.216636] (UM) 
[  387.221318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.224065] 2*8kB 
[  387.228222]  cache_grow_begin+0x91/0x8c0
[  387.230273] (UM) 
[  387.235821]  ? do_raw_spin_unlock+0xa7/0x2f0
[  387.237954] 2*16kB (M) 
[  387.242038]  fallback_alloc+0x203/0x2e0
[  387.244083] 3*32kB (UM) 
[  387.248513]  ____cache_alloc_node+0x1c7/0x1e0
[  387.251086] 5*64kB 
[  387.255122]  kmem_cache_alloc_node+0xe3/0x730
[  387.255141]  ? ipv6_get_ifaddr+0x42e/0x620
[  387.257805] (UM) 
[  387.262314]  __alloc_skb+0x119/0x770
[  387.264537] 4*128kB 
[  387.269044]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  387.273267] (UM) 
[  387.275369]  ? skb_scrub_packet+0x490/0x490
[  387.279064] 4*256kB 
[  387.281398]  ? lock_downgrade+0x900/0x900
[  387.286665] (UM) 
[  387.288740]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.293051] 3*512kB 
[  387.295398]  ? refcount_sub_and_test_checked+0x203/0x310
[  387.299536] (M) 
[  387.301611]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  387.307218] 3*1024kB (UM) 
[  387.309562]  ? addrconf_rs_timer+0x690/0x690
[  387.315006] 3*2048kB (M) 
[  387.317013]  ndisc_alloc_skb+0x144/0x340
[  387.322445] 3*4096kB 
[  387.325309]  ndisc_send_rs+0x331/0x6e0
[  387.329711] (M) 
[  387.332484]  addrconf_rs_timer+0x314/0x690
[  387.336542] = 25056kB
[  387.338965]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.342846] Node 0 
[  387.344852]  call_timer_fn+0x272/0x920
[  387.349067] Normal: 
[  387.351490]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.355719] 798*4kB 
[  387.357964]  ? process_timeout+0x40/0x40
[  387.361840] (ME) 
[  387.364173]  ? find_held_lock+0x36/0x1c0
[  387.368394] 471*8kB (UME) 
[  387.370741]  ? __run_timers+0x7da/0xc70
[  387.374786] 208*16kB 
[  387.376871]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.380927] (UME) 
[  387.383776]  ? _raw_spin_unlock_irq+0x27/0x80
[  387.387730] 76*32kB (UME) 
[  387.390160]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.394651] 4*64kB 
[  387.396810]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  387.401286] (M) 1*128kB 
[  387.404151]  ? trace_hardirqs_on+0xbd/0x310
[  387.408383] (U) 
[  387.410636]  ? kasan_check_read+0x11/0x20
[  387.415216] 1*256kB 
[  387.417894]  ? __run_timers+0x7da/0xc70
[  387.422204] (U) 1*512kB 
[  387.424253]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  387.428387] (U) 0*1024kB 
[  387.430735]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.434701] 0*2048kB 
[  387.437399]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  387.442830] 0*4096kB = 13872kB
[  387.445605]  __run_timers+0x7e5/0xc70
[  387.449847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  387.452270]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  387.456491] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  387.459694]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  387.463486] 1299 total pagecache pages
[  387.472328]  ? graph_lock+0x170/0x170
[  387.477710] 0 pages in swap cache
[  387.486288]  ? enqueue_hrtimer+0x1a5/0x560
[  387.491300] Swap cache stats: add 0, delete 0, find 0/0
[  387.495187]  ? lock_release+0x970/0x970
[  387.495204]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  387.499001] Free swap  = 0kB
[  387.502464]  ? find_held_lock+0x36/0x1c0
[  387.506686] Total swap = 0kB
[  387.512057]  ? graph_lock+0x170/0x170
[  387.516020] 1965979 pages RAM
[  387.521218]  ? pvclock_read_flags+0x160/0x160
[  387.524224] 0 pages HighMem/MovableOnly
[  387.528373]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.531386] 342306 pages reserved
[  387.535194]  ? check_preemption_disabled+0x48/0x200
[  387.538288] 0 pages cma reserved
[  387.542800]  ? __lock_is_held+0xb5/0x140
[  387.546854] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  387.552386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.552402]  ? check_preemption_disabled+0x48/0x200
[  387.552425]  run_timer_softirq+0x52/0xb0
[  387.555942] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  387.560900]  ? rcu_read_lock_sched_held+0x108/0x120
[  387.564255] syz-executor1 cpuset=
[  387.568327]  __do_softirq+0x30b/0xad8
[  387.574842] /
[  387.580409]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  387.585417]  mems_allowed=0
[  387.589488]  ? pvclock_read_flags+0x160/0x160
[  387.626449]  ? lapic_next_event+0x5a/0x90
[  387.630611]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.636166]  ? check_preemption_disabled+0x48/0x200
[  387.641196]  ? check_preemption_disabled+0x48/0x200
[  387.646231]  ? kvm_clock_read+0x18/0x30
[  387.650250]  ? kvm_sched_clock_read+0x9/0x20
[  387.654673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.660236]  ? check_preemption_disabled+0x48/0x200
[  387.665279]  irq_exit+0x17f/0x1c0
[  387.668748]  smp_apic_timer_interrupt+0x1cb/0x760
[  387.673602]  ? smp_reschedule_interrupt+0x109/0x650
[  387.678632]  ? smp_call_function_single_interrupt+0x650/0x650
[  387.684542]  ? interrupt_entry+0xb5/0xf0
[  387.688619]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.693650]  ? trace_hardirqs_off_caller+0xbb/0x310
[  387.698680]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.703542]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.708568]  ? trace_hardirqs_on_caller+0x310/0x310
[  387.713595]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.719154]  ? check_preemption_disabled+0x48/0x200
[  387.724181]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.729741]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  387.734604]  apic_timer_interrupt+0xf/0x20
[  387.738845]  </IRQ>
[  387.741096] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  387.746041] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  387.764955] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  387.772676] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  387.779964] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  387.787244] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  387.794526] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  387.801842] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  387.809183]  skb_clone+0x1bb/0x500
[  387.812741]  ? finish_task_switch+0x1b5/0x900
[  387.817260]  ? skb_split+0x11e0/0x11e0
[  387.821167]  ? preempt_notifier_register+0x200/0x200
[  387.826290]  ? __switch_to_asm+0x34/0x70
[  387.830389]  ? __switch_to_asm+0x34/0x70
[  387.834474]  ? __switch_to_asm+0x40/0x70
[  387.838552]  ? __switch_to_asm+0x34/0x70
[  387.842629]  ? __switch_to_asm+0x40/0x70
[  387.846704]  ? __switch_to_asm+0x34/0x70
[  387.850776]  ? __switch_to_asm+0x40/0x70
[  387.854848]  ? __switch_to_asm+0x34/0x70
[  387.858929]  ? __switch_to_asm+0x34/0x70
[  387.863006]  ? __switch_to_asm+0x40/0x70
[  387.867078]  ? __switch_to_asm+0x34/0x70
[  387.871167]  bpf_clone_redirect+0xb9/0x490
[  387.875422]  ? __schedule+0x874/0x1ed0
[  387.879328]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  387.884399]  ? __sched_text_start+0x8/0x8
[  387.888566]  ? lockdep_hardirqs_on+0x421/0x5c0
[  387.893159]  ? retint_kernel+0x2d/0x2d
[  387.897058]  ? trace_hardirqs_on_caller+0xc0/0x310
[  387.902007]  ? find_held_lock+0x36/0x1c0
[  387.906092]  ? lock_acquire+0x1ed/0x520
[  387.910086]  ? bpf_test_run+0x3cb/0x780
[  387.914077]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  387.919635]  ? check_preemption_disabled+0x48/0x200
[  387.924671]  ? kasan_check_read+0x11/0x20
[  387.928835]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  387.934125]  ? rcu_bh_qs+0xc0/0xc0
[  387.937683]  ? preempt_schedule+0x4d/0x60
[  387.941848]  ? ___preempt_schedule+0x16/0x18
[  387.946278]  ? bpf_test_run+0x25d/0x780
[  387.950275]  ? netlink_diag_dump+0x2a0/0x2a0
[  387.954699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  387.960249]  ? bpf_test_init.isra.9+0x70/0x100
[  387.964849]  ? bpf_prog_test_run_skb+0x634/0xb40
[  387.969631]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  387.974487]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  387.980043]  ? fput+0x130/0x1a0
[  387.983358]  ? __bpf_prog_get+0x9b/0x290
[  387.987445]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  387.992301]  ? bpf_prog_test_run+0x130/0x1a0
[  387.996746]  ? __x64_sys_bpf+0x3d8/0x510
[  388.000818]  ? bpf_prog_get+0x20/0x20
[  388.004652]  ? do_syscall_64+0x1b9/0x820
[  388.008730]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  388.014108]  ? syscall_return_slowpath+0x5e0/0x5e0
[  388.019057]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.024089]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  388.029125]  ? recalc_sigpending_tsk+0x180/0x180
[  388.033913]  ? kasan_check_write+0x14/0x20
[  388.038166]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.043031]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  388.048431] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  388.048519] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  388.055722] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  388.055731] Call Trace:
[  388.062322] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  388.071583]  <IRQ>
[  388.074721] syz-executor4 cpuset=
[  388.085230]  dump_stack+0x1c4/0x2b4
[  388.087391] syz4
[  388.090853]  ? dump_stack_print_info.cold.2+0x52/0x52
[  388.094475]  mems_allowed=0
[  388.096469]  warn_alloc.cold.119+0xb7/0x1bd
[  388.108899]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  388.113772]  ? lock_downgrade+0x900/0x900
[  388.117942]  ? trace_hardirqs_off+0xb8/0x310
[  388.122395]  ? trace_hardirqs_off+0xb8/0x310
[  388.126840]  __alloc_pages_slowpath+0x2667/0x2d80
[  388.131741]  ? warn_alloc+0x120/0x120
[  388.135561]  ? lock_release+0x970/0x970
[  388.139552]  ? warn_alloc+0x120/0x120
[  388.143394]  ? print_usage_bug+0xc0/0xc0
[  388.147471]  ? warn_alloc+0x120/0x120
[  388.151285]  ? print_usage_bug+0xc0/0xc0
[  388.155397]  ? __lock_acquire+0x7ec/0x4ec0
[  388.159645]  ? __lock_acquire+0x7ec/0x4ec0
[  388.163900]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.169453]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.175024]  ? should_fail+0x22d/0xd01
[  388.178937]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.184582]  ? __lock_acquire+0x7ec/0x4ec0
[  388.188839]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  388.193954]  ? __lock_acquire+0x7ec/0x4ec0
[  388.198200]  ? should_fail+0x22d/0xd01
[  388.202110]  ? mark_held_locks+0x130/0x130
[  388.206395]  ? mark_held_locks+0x130/0x130
[  388.210650]  ? graph_lock+0x170/0x170
[  388.214467]  ? print_usage_bug+0xc0/0xc0
[  388.218546]  ? graph_lock+0x170/0x170
[  388.222386]  ? print_usage_bug+0xc0/0xc0
[  388.226465]  ? wq_watchdog_touch+0x9c/0xfe
[  388.230716]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.236269]  ? check_preemption_disabled+0x48/0x200
[  388.241307]  ? check_preemption_disabled+0x48/0x200
[  388.246389]  ? __lock_is_held+0xb5/0x140
[  388.250476]  __alloc_pages_nodemask+0xa80/0xde0
[  388.255159]  ? graph_lock+0x170/0x170
[  388.258981]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  388.264007]  ? graph_lock+0x170/0x170
[  388.267834]  ? find_held_lock+0x36/0x1c0
[  388.271928]  ? ____cache_alloc_node+0x1c7/0x1e0
[  388.276612]  ? lock_downgrade+0x900/0x900
[  388.280783]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.286365]  cache_grow_begin+0x91/0x8c0
[  388.290450]  ? do_raw_spin_unlock+0xa7/0x2f0
[  388.294905]  fallback_alloc+0x203/0x2e0
[  388.298911]  ____cache_alloc_node+0x1c7/0x1e0
[  388.303427]  kmem_cache_alloc_node+0xe3/0x730
[  388.307939]  ? ipv6_get_ifaddr+0x42e/0x620
[  388.312208]  __alloc_skb+0x119/0x770
[  388.315957]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  388.321324]  ? skb_scrub_packet+0x490/0x490
[  388.325696]  ? lock_downgrade+0x900/0x900
[  388.329878]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.335436]  ? refcount_sub_and_test_checked+0x203/0x310
[  388.340918]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  388.346395]  ? addrconf_rs_timer+0x690/0x690
[  388.350829]  ndisc_alloc_skb+0x144/0x340
[  388.354920]  ndisc_send_rs+0x331/0x6e0
[  388.358924]  addrconf_rs_timer+0x314/0x690
[  388.363181]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.367462]  call_timer_fn+0x272/0x920
[  388.371475]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.375727]  ? process_timeout+0x40/0x40
[  388.379799]  ? find_held_lock+0x36/0x1c0
[  388.383891]  ? mark_held_locks+0xc7/0x130
[  388.388057]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.392567]  ? _raw_spin_unlock_irq+0x27/0x80
[  388.397072]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.401320]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  388.405945]  ? trace_hardirqs_on+0xbd/0x310
[  388.410279]  ? kasan_check_read+0x11/0x20
[  388.414527]  ? __run_timers+0x7da/0xc70
[  388.418516]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  388.423995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.428248]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  388.432497]  __run_timers+0x7e5/0xc70
[  388.436322]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  388.441723]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.446751]  ? graph_lock+0x170/0x170
[  388.450569]  ? print_usage_bug+0xc0/0xc0
[  388.454643]  ? lock_release+0x970/0x970
[  388.458632]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  388.463840]  ? find_held_lock+0x36/0x1c0
[  388.468020]  ? graph_lock+0x170/0x170
[  388.471849]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.477407]  ? check_preemption_disabled+0x48/0x200
[  388.482453]  ? __lock_is_held+0xb5/0x140
[  388.486532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.492085]  ? check_preemption_disabled+0x48/0x200
[  388.497123]  run_timer_softirq+0x52/0xb0
[  388.501198]  ? rcu_read_lock_sched_held+0x108/0x120
[  388.506228]  __do_softirq+0x30b/0xad8
[  388.510168]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  388.515291]  ? pvclock_read_flags+0x160/0x160
[  388.519802]  ? lapic_next_event+0x5a/0x90
[  388.523963]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.529525]  ? check_preemption_disabled+0x48/0x200
[  388.534556]  ? check_preemption_disabled+0x48/0x200
[  388.539591]  ? kvm_clock_read+0x18/0x30
[  388.543580]  ? kvm_sched_clock_read+0x9/0x20
[  388.548017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.553566]  ? check_preemption_disabled+0x48/0x200
[  388.558611]  irq_exit+0x17f/0x1c0
[  388.562077]  smp_apic_timer_interrupt+0x1cb/0x760
[  388.566937]  ? smp_call_function_single_interrupt+0x650/0x650
[  388.572841]  ? interrupt_entry+0xb5/0xf0
[  388.576923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.581954]  ? trace_hardirqs_off_caller+0xbb/0x310
[  388.586998]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.591853]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.596889]  ? trace_hardirqs_on_caller+0x310/0x310
[  388.601928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.607480]  ? check_preemption_disabled+0x48/0x200
[  388.612509]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.618111]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  388.622991]  apic_timer_interrupt+0xf/0x20
[  388.627232]  </IRQ>
[  388.629487] RIP: 0010:lock_acquire+0x268/0x520
[  388.634136] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  388.653052] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  388.660788] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  388.668067] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  388.675368] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  388.682654] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  388.689948] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  388.697254]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.702807]  ? lock_release+0x970/0x970
[  388.706795]  ? activate_page+0x1040/0x1040
[  388.711045]  ? __unlock_page_memcg+0x53/0x100
[  388.715558]  ? check_preemption_disabled+0x48/0x200
[  388.720596]  lock_page_memcg+0x95/0x350
[  388.724583]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  388.729800]  ? rcu_bh_qs+0xc0/0xc0
[  388.733373]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  388.738593]  page_remove_rmap+0x855/0x1a30
[  388.742845]  ? page_add_file_rmap+0x1470/0x1470
[  388.747584]  ? __lock_is_held+0xb5/0x140
[  388.751723]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.757275]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.762829]  ? lru_add_drain_cpu+0x1c0/0x500
[  388.767264]  ? free_pages_and_swap_cache+0x475/0x6f0
[  388.772404]  ? free_page_and_swap_cache+0x950/0x950
[  388.777446]  ? kasan_check_read+0x11/0x20
[  388.781607]  ? page_mapcount+0x3b5/0x5d0
[  388.785685]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  388.790594]  ? lock_downgrade+0x900/0x900
[  388.794761]  ? lock_release+0x970/0x970
[  388.798752]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  388.803783]  ? _vm_normal_page+0x161/0x3c0
[  388.808038]  ? __pte_alloc_kernel+0x220/0x220
[  388.812794]  ? kasan_check_write+0x14/0x20
[  388.817054]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  388.822087]  ? __tlb_remove_page_size+0x187/0x500
[  388.826969]  unmap_page_range+0xf14/0x2030
[  388.831241]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  388.835754]  ? search_extable+0x80/0xb0
[  388.839758]  ? trim_init_extable+0x3a0/0x3a0
[  388.844180]  ? __get_user_8+0x21/0x2b
[  388.847993]  ? print_usage_bug+0xc0/0xc0
[  388.852074]  ? __lock_acquire+0x7ec/0x4ec0
[  388.856323]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  388.861898]  ? no_context+0xd9/0x980
[  388.865627]  ? lock_downgrade+0x900/0x900
[  388.869804]  ? graph_lock+0x170/0x170
[  388.873627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  388.879178]  ? tlb_flush_mmu_free+0x135/0x1b0
[  388.883702]  ? find_held_lock+0x36/0x1c0
[  388.887787]  ? exit_mmap+0x4bb/0x590
[  388.891515]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  388.897075]  ? uprobe_munmap+0x14c/0x450
[  388.901149]  ? uprobe_mmap+0xd50/0xd50
[  388.905046]  ? lock_release+0x970/0x970
[  388.909033]  ? arch_local_save_flags+0x40/0x40
[  388.913638]  ? rwsem_down_write_failed+0xe/0x10
[  388.918318]  ? rwsem_down_write_failed+0xe/0x10
[  388.923023]  ? call_rwsem_down_write_failed+0x17/0x30
[  388.928232]  unmap_single_vma+0x19b/0x310
[  388.932410]  unmap_vmas+0x125/0x200
[  388.936057]  exit_mmap+0x2be/0x590
[  388.939612]  ? __ia32_sys_munmap+0x80/0x80
[  388.943885]  ? __might_sleep+0x95/0x190
[  388.947891]  mmput+0x247/0x610
[  388.951100]  ? lock_downgrade+0x900/0x900
[  388.955264]  ? set_mm_exe_file+0x200/0x200
[  388.959522]  ? kasan_check_read+0x11/0x20
[  388.963689]  ? do_raw_spin_unlock+0xa7/0x2f0
[  388.968163]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  388.972780]  ? kasan_check_write+0x14/0x20
[  388.977038]  ? do_raw_spin_lock+0xc1/0x200
[  388.981297]  do_exit+0xe6f/0x2610
[  388.984770]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  388.989899]  ? mm_update_next_owner+0x990/0x990
[  388.994623]  ? print_usage_bug+0xc0/0xc0
[  388.998697]  ? graph_lock+0x170/0x170
[  389.002515]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.008071]  ? check_preemption_disabled+0x48/0x200
[  389.013111]  ? check_preemption_disabled+0x48/0x200
[  389.018137]  ? print_usage_bug+0xc0/0xc0
[  389.022217]  ? __lock_acquire+0x7ec/0x4ec0
[  389.026475]  ? __lock_acquire+0x7ec/0x4ec0
[  389.030820]  ? mark_held_locks+0x130/0x130
[  389.035080]  ? mark_held_locks+0x130/0x130
[  389.039328]  ? kasan_check_write+0x14/0x20
[  389.043603]  ? finish_task_switch+0x2f5/0x900
[  389.048113]  ? __switch_to_asm+0x40/0x70
[  389.052191]  ? __switch_to_asm+0x34/0x70
[  389.056263]  ? __switch_to_asm+0x34/0x70
[  389.060358]  ? __switch_to_asm+0x40/0x70
[  389.064434]  ? __switch_to_asm+0x34/0x70
[  389.068503]  ? __switch_to_asm+0x40/0x70
[  389.072576]  ? __switch_to_asm+0x34/0x70
[  389.076650]  ? __switch_to_asm+0x34/0x70
[  389.080723]  ? __switch_to_asm+0x34/0x70
[  389.084796]  ? __switch_to_asm+0x34/0x70
[  389.088873]  ? __switch_to_asm+0x40/0x70
[  389.093054]  ? __switch_to_asm+0x34/0x70
[  389.097125]  ? __switch_to_asm+0x40/0x70
[  389.101207]  ? graph_lock+0x170/0x170
[  389.105042]  ? graph_lock+0x170/0x170
[  389.108858]  ? graph_lock+0x170/0x170
[  389.112687]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.118237]  ? wait_consider_task+0x245/0x3bb0
[  389.122832]  ? memset+0x31/0x40
[  389.126132]  ? find_held_lock+0x36/0x1c0
[  389.130218]  ? get_signal+0x95b/0x1980
[  389.134121]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.138629]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.143152]  do_group_exit+0x177/0x440
[  389.147055]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  389.152526]  ? __ia32_sys_exit+0x50/0x50
[  389.156611]  get_signal+0x8b0/0x1980
[  389.160372]  ? ptrace_notify+0x130/0x130
[  389.164450]  ? do_wait+0x57d/0xb90
[  389.168025]  ? wait_consider_task+0x3bb0/0x3bb0
[  389.172704]  ? graph_lock+0x170/0x170
[  389.176516]  ? graph_lock+0x170/0x170
[  389.180330]  ? graph_lock+0x170/0x170
[  389.184186]  do_signal+0x9c/0x21e0
[  389.187742]  ? find_held_lock+0x36/0x1c0
[  389.191828]  ? setup_sigcontext+0x7d0/0x7d0
[  389.196162]  ? kernel_wait4+0x2e0/0x3f0
[  389.200151]  ? __ia32_sys_waitid+0x140/0x140
[  389.204583]  ? task_stopped_code+0x190/0x190
[  389.209066]  ? exit_to_usermode_loop+0x8c/0x380
[  389.213767]  ? __do_page_fault+0x4a6/0xed0
[  389.218019]  ? do_syscall_64+0x9a/0x820
[  389.222009]  ? do_syscall_64+0x9a/0x820
[  389.226003]  exit_to_usermode_loop+0x2e5/0x380
[  389.230604]  ? syscall_slow_exit_work+0x520/0x520
[  389.235474]  do_syscall_64+0x6be/0x820
[  389.239392]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  389.244770]  ? syscall_return_slowpath+0x5e0/0x5e0
[  389.249713]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.254574]  ? trace_hardirqs_on_caller+0x310/0x310
[  389.259608]  ? prepare_exit_to_usermode+0x291/0x3b0
[  389.264648]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  389.269516]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  389.274720] RIP: 0033:0x41124a
[  389.277929] Code: Bad RIP value.
[  389.281305] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  389.289049] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  389.296327] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  389.303630] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  389.310910] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  389.318194] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  389.325502] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  389.325508] warn_alloc_show_mem: 1 callbacks suppressed
[  389.325516] Mem-Info:
[  389.332804] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  389.332814] Call Trace:
[  389.338200] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  389.338200]  active_file:8 inactive_file:19 isolated_file:0
[  389.338200]  unevictable:0 dirty:0 writeback:0 unstable:0
[  389.338200]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  389.338200]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  389.338200]  free:13709 free_pcp:257 free_cma:0
[  389.340587]  <IRQ>
[  389.349963] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  389.352564]  dump_stack+0x1c4/0x2b4
[  389.385519] Node 0 
[  389.387686]  ? dump_stack_print_info.cold.2+0x52/0x52
[  389.415564] 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
[  389.419194]  warn_alloc.cold.119+0xb7/0x1bd
[  389.421413] lowmem_reserve[]: 0
[  389.426625]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  389.452203]  2819
[  389.456542]  ? lock_downgrade+0x900/0x900
[  389.459804]  6323 6323
[  389.464689]  ? trace_hardirqs_off+0xb8/0x310
[  389.466792] Node 0 
[  389.470954]  ? trace_hardirqs_off+0xb8/0x310
[  389.473467] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  389.477867]  __alloc_pages_slowpath+0x2667/0x2d80
[  389.480087] lowmem_reserve[]: 0
[  389.484544]  ? warn_alloc+0x120/0x120
[  389.511437]  0 3503
[  389.516414]  ? trace_hardirqs_on+0x310/0x310
[  389.519684]  3503
[  389.523518]  ? warn_alloc+0x120/0x120
[  389.530169]  ? print_usage_bug+0xc0/0xc0
[  389.532222] Node 0 
[  389.536033]  ? warn_alloc+0x120/0x120
[  389.540109] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  389.542333]  ? ktime_get+0x2e1/0x440
[  389.546138] lowmem_reserve[]: 0
[  389.574530]  ? print_usage_bug+0xc0/0xc0
[  389.578234]  0
[  389.581522]  ? __lock_acquire+0x7ec/0x4ec0
[  389.585571]  0
[  389.587403]  ? __lock_acquire+0x7ec/0x4ec0
[  389.591620]  0
[  389.593452]  ? kasan_check_read+0x11/0x20
[  389.597672] Node 0 
[  389.599646]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  389.603840] DMA: 
[  389.606091]  ? should_fail+0x22d/0xd01
[  389.611616] 1*4kB 
[  389.613739]  ? rcu_bh_qs+0xc0/0xc0
[  389.617620] (U) 
[  389.619780]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.623309] 0*8kB 
[  389.625293]  ? __lock_acquire+0x7ec/0x4ec0
[  389.630390] 0*16kB 1*32kB 
[  389.632564]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  389.636782] (U) 2*64kB 
[  389.639656]  ? __lock_acquire+0x7ec/0x4ec0
[  389.644739] (U) 1*128kB 
[  389.647372]  ? should_fail+0x22d/0xd01
[  389.651631] (U) 1*256kB 
[  389.654325]  ? rcu_idle_enter+0x4b0/0x4b0
[  389.658219] (U) 0*512kB 
[  389.660938]  ? mark_held_locks+0x130/0x130
[  389.665074] 1*1024kB 
[  389.667752]  ? mark_held_locks+0x130/0x130
[  389.671975] (U) 
[  389.674405]  ? mark_held_locks+0xc7/0x130
[  389.678625] 1*2048kB (M) 
[  389.680622]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  389.684768] 3*4096kB 
[  389.687545]  ? graph_lock+0x170/0x170
[  389.692542] (M) = 15908kB
[  389.694972]  ? print_usage_bug+0xc0/0xc0
[  389.698768] Node 0 
[  389.701539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.705589] DMA32: 
[  389.707841]  ? check_preemption_disabled+0x48/0x200
[  389.713387] 4*4kB 
[  389.715636]  ? check_preemption_disabled+0x48/0x200
[  389.720633] (UM) 2*8kB 
[  389.722809]  ? __lock_is_held+0xb5/0x140
[  389.727800] (UM) 2*16kB 
[  389.730441]  __alloc_pages_nodemask+0xa80/0xde0
[  389.734482] (M) 3*32kB 
[  389.737171]  ? graph_lock+0x170/0x170
[  389.741829] (UM) 
[  389.744426]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  389.748216] 5*64kB 
[  389.750285]  ? graph_lock+0x170/0x170
[  389.755289] (UM) 
[  389.757546]  ? find_held_lock+0x36/0x1c0
[  389.761330] 4*128kB 
[  389.763440]  ? ____cache_alloc_node+0x1c7/0x1e0
[  389.767485] (UM) 
[  389.769817]  ? lock_downgrade+0x900/0x900
[  389.774472] 4*256kB (UM) 
[  389.776561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.780736] 3*512kB (M) 
[  389.783517]  cache_grow_begin+0x91/0x8c0
[  389.789035] 3*1024kB (UM) 
[  389.791732]  ? do_raw_spin_unlock+0xa7/0x2f0
[  389.795935] 3*2048kB 
[  389.798853]  fallback_alloc+0x203/0x2e0
[  389.803250] (M) 
[  389.805672]  ____cache_alloc_node+0x1c7/0x1e0
[  389.809637] 3*4096kB 
[  389.811626]  kmem_cache_alloc_node+0xe3/0x730
[  389.816109] (M) 
[  389.818534]  ? ipv6_get_ifaddr+0x42e/0x620
[  389.823016] = 25056kB
[  389.825010]  __alloc_skb+0x119/0x770
[  389.829228] Node 0 
[  389.831653]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  389.835368] Normal: 798*4kB 
[  389.837630]  ? skb_scrub_packet+0x490/0x490
[  389.842898] (ME) 
[  389.845925]  ? lock_downgrade+0x900/0x900
[  389.850243] 471*8kB 
[  389.852320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  389.856455] (UME) 
[  389.858791]  ? refcount_sub_and_test_checked+0x203/0x310
[  389.864317] 208*16kB 
[  389.866498]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  389.871938] (UME) 
[  389.874380]  ? addrconf_rs_timer+0x690/0x690
[  389.879814] 76*32kB 
[  389.881981]  ndisc_alloc_skb+0x144/0x340
[  389.886394] (UME) 
[  389.888730]  ndisc_send_rs+0x331/0x6e0
[  389.892763] 4*64kB (M) 
[  389.894931]  addrconf_rs_timer+0x314/0x690
[  389.898831] 1*128kB (U) 
[  389.901432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.905649] 1*256kB 
[  389.908330]  call_timer_fn+0x272/0x920
[  389.912547] (U) 
[  389.914871]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.918742] 1*512kB 
[  389.920718]  ? process_timeout+0x40/0x40
[  389.924928] (U) 
[  389.927248]  ? find_held_lock+0x36/0x1c0
[  389.931317] 0*1024kB 
[  389.933309]  ? __run_timers+0x7da/0xc70
[  389.937378] 0*2048kB 
[  389.939791]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.943753] 0*4096kB 
[  389.946181]  ? _raw_spin_unlock_irq+0x27/0x80
[  389.950850] = 13872kB
[  389.950870] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  389.953274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  389.957756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  389.960158]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  389.969132] 1299 total pagecache pages
[  389.973381]  ? trace_hardirqs_on+0xbd/0x310
[  389.982100] 0 pages in swap cache
[  389.986674]  ? kasan_check_read+0x11/0x20
[  389.990541] Swap cache stats: add 0, delete 0, find 0/0
[  389.994897]  ? __run_timers+0x7da/0xc70
[  389.998519] Free swap  = 0kB
[  390.002670]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.008008] Total swap = 0kB
[  390.008018] 1965979 pages RAM
[  390.011993]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.014992] 0 pages HighMem/MovableOnly
[  390.015001] 342306 pages reserved
[  390.020854]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.023896] 0 pages cma reserved
[  390.024017] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.027019]  __run_timers+0x7e5/0xc70
[  390.031511] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.035393]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  390.038819] syz-executor1 cpuset=
[  390.043064]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.046422] /
[  390.052931]  ? graph_lock+0x170/0x170
[  390.056953]  mems_allowed=0
[  390.067442]  ? enqueue_hrtimer+0x1a5/0x560
[  390.094402]  ? lock_release+0x970/0x970
[  390.098429]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.103696]  ? find_held_lock+0x36/0x1c0
[  390.107779]  ? graph_lock+0x170/0x170
[  390.111604]  ? pvclock_read_flags+0x160/0x160
[  390.116118]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.121677]  ? check_preemption_disabled+0x48/0x200
[  390.126746]  ? __lock_is_held+0xb5/0x140
[  390.130833]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.136401]  ? check_preemption_disabled+0x48/0x200
[  390.141444]  run_timer_softirq+0x52/0xb0
[  390.145525]  ? rcu_read_lock_sched_held+0x108/0x120
[  390.150555]  __do_softirq+0x30b/0xad8
[  390.154403]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  390.159531]  ? pvclock_read_flags+0x160/0x160
[  390.164044]  ? lapic_next_event+0x5a/0x90
[  390.168267]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.173823]  ? check_preemption_disabled+0x48/0x200
[  390.178855]  ? check_preemption_disabled+0x48/0x200
[  390.184109]  ? kvm_clock_read+0x18/0x30
[  390.188098]  ? kvm_sched_clock_read+0x9/0x20
[  390.192524]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.198075]  ? check_preemption_disabled+0x48/0x200
[  390.203119]  irq_exit+0x17f/0x1c0
[  390.206590]  smp_apic_timer_interrupt+0x1cb/0x760
[  390.211452]  ? smp_reschedule_interrupt+0x109/0x650
[  390.216483]  ? smp_call_function_single_interrupt+0x650/0x650
[  390.222408]  ? interrupt_entry+0xb5/0xf0
[  390.226491]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.231521]  ? trace_hardirqs_off_caller+0xbb/0x310
[  390.236552]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.241411]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.246442]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.251474]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.257046]  ? check_preemption_disabled+0x48/0x200
[  390.262075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.267632]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.272501]  apic_timer_interrupt+0xf/0x20
[  390.276742]  </IRQ>
[  390.279011] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  390.283956] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  390.302872] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  390.310597] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  390.317896] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  390.325175] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  390.332457] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  390.339773] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  390.347092]  skb_clone+0x1bb/0x500
[  390.350687]  ? finish_task_switch+0x1b5/0x900
[  390.355196]  ? skb_split+0x11e0/0x11e0
[  390.359099]  ? preempt_notifier_register+0x200/0x200
[  390.364219]  ? __switch_to_asm+0x34/0x70
[  390.368296]  ? __switch_to_asm+0x34/0x70
[  390.372396]  ? __switch_to_asm+0x40/0x70
[  390.376469]  ? __switch_to_asm+0x34/0x70
[  390.380545]  ? __switch_to_asm+0x40/0x70
[  390.384621]  ? __switch_to_asm+0x34/0x70
[  390.388697]  ? __switch_to_asm+0x40/0x70
[  390.392770]  ? __switch_to_asm+0x34/0x70
[  390.396843]  ? __switch_to_asm+0x34/0x70
[  390.400917]  ? __switch_to_asm+0x40/0x70
[  390.405012]  ? __switch_to_asm+0x34/0x70
[  390.409096]  bpf_clone_redirect+0xb9/0x490
[  390.413370]  ? __schedule+0x874/0x1ed0
[  390.417417]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  390.422455]  ? __sched_text_start+0x8/0x8
[  390.426626]  ? lockdep_hardirqs_on+0x421/0x5c0
[  390.431244]  ? retint_kernel+0x2d/0x2d
[  390.435146]  ? trace_hardirqs_on_caller+0xc0/0x310
[  390.440094]  ? find_held_lock+0x36/0x1c0
[  390.444175]  ? lock_acquire+0x1ed/0x520
[  390.448166]  ? bpf_test_run+0x3cb/0x780
[  390.452169]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.457722]  ? check_preemption_disabled+0x48/0x200
[  390.462762]  ? kasan_check_read+0x11/0x20
[  390.466991]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  390.472290]  ? rcu_bh_qs+0xc0/0xc0
[  390.475857]  ? preempt_schedule+0x4d/0x60
[  390.480034]  ? ___preempt_schedule+0x16/0x18
[  390.484463]  ? bpf_test_run+0x25d/0x780
[  390.488464]  ? netlink_diag_dump+0x2a0/0x2a0
[  390.492889]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.498444]  ? bpf_test_init.isra.9+0x70/0x100
[  390.503046]  ? bpf_prog_test_run_skb+0x634/0xb40
[  390.507829]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  390.512688]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  390.518240]  ? fput+0x130/0x1a0
[  390.521537]  ? __bpf_prog_get+0x9b/0x290
[  390.525619]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  390.530476]  ? bpf_prog_test_run+0x130/0x1a0
[  390.534905]  ? __x64_sys_bpf+0x3d8/0x510
[  390.538977]  ? bpf_prog_get+0x20/0x20
[  390.542814]  ? do_syscall_64+0x1b9/0x820
[  390.546891]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  390.552276]  ? syscall_return_slowpath+0x5e0/0x5e0
[  390.557222]  ? trace_hardirqs_on_caller+0x310/0x310
[  390.562251]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  390.567280]  ? recalc_sigpending_tsk+0x180/0x180
[  390.572050]  ? kasan_check_write+0x14/0x20
[  390.576309]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  390.581213]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  390.586611] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  390.586696] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  390.593905] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  390.593910] Call Trace:
[  390.593918]  <IRQ>
[  390.593936]  dump_stack+0x1c4/0x2b4
[  390.593957]  ? dump_stack_print_info.cold.2+0x52/0x52
[  390.600549] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  390.609832]  warn_alloc.cold.119+0xb7/0x1bd
[  390.612407] syz-executor4 cpuset=
[  390.614571]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  390.618190] syz4
[  390.623406]  ? lock_downgrade+0x900/0x900
[  390.633883]  mems_allowed=0
[  390.638214]  ? trace_hardirqs_off+0xb8/0x310
[  390.659984]  ? trace_hardirqs_off+0xb8/0x310
[  390.664423]  __alloc_pages_slowpath+0x2667/0x2d80
[  390.669315]  ? warn_alloc+0x120/0x120
[  390.673153]  ? trace_hardirqs_on+0x310/0x310
[  390.677581]  ? warn_alloc+0x120/0x120
[  390.681413]  ? print_usage_bug+0xc0/0xc0
[  390.685490]  ? warn_alloc+0x120/0x120
[  390.689302]  ? ktime_get+0x2e1/0x440
[  390.693045]  ? print_usage_bug+0xc0/0xc0
[  390.697121]  ? __lock_acquire+0x7ec/0x4ec0
[  390.701396]  ? __lock_acquire+0x7ec/0x4ec0
[  390.705835]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  390.711477]  ? should_fail+0x22d/0xd01
[  390.715402]  ? __lock_acquire+0x7ec/0x4ec0
[  390.719659]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.724777]  ? __lock_acquire+0x7ec/0x4ec0
[  390.729048]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  390.734163]  ? __lock_acquire+0x7ec/0x4ec0
[  390.738409]  ? should_fail+0x22d/0xd01
[  390.742319]  ? mark_held_locks+0x130/0x130
[  390.746597]  ? mark_held_locks+0x130/0x130
[  390.750860]  ? graph_lock+0x170/0x170
[  390.754681]  ? print_usage_bug+0xc0/0xc0
[  390.758762]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.764315]  ? check_preemption_disabled+0x48/0x200
[  390.769386]  ? check_preemption_disabled+0x48/0x200
[  390.774536]  ? __lock_is_held+0xb5/0x140
[  390.778619]  __alloc_pages_nodemask+0xa80/0xde0
[  390.783316]  ? graph_lock+0x170/0x170
[  390.787248]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  390.792275]  ? graph_lock+0x170/0x170
[  390.796206]  ? find_held_lock+0x36/0x1c0
[  390.800299]  ? ____cache_alloc_node+0x1c7/0x1e0
[  390.805019]  ? lock_downgrade+0x900/0x900
[  390.809194]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.814804]  cache_grow_begin+0x91/0x8c0
[  390.818888]  ? do_raw_spin_unlock+0xa7/0x2f0
[  390.823331]  fallback_alloc+0x203/0x2e0
[  390.827382]  ____cache_alloc_node+0x1c7/0x1e0
[  390.831905]  kmem_cache_alloc_node+0xe3/0x730
[  390.836420]  ? ipv6_get_ifaddr+0x42e/0x620
[  390.840812]  __alloc_skb+0x119/0x770
[  390.844543]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  390.849835]  ? skb_scrub_packet+0x490/0x490
[  390.854175]  ? lock_downgrade+0x900/0x900
[  390.858364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  390.863919]  ? refcount_sub_and_test_checked+0x203/0x310
[  390.869410]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  390.874891]  ? addrconf_rs_timer+0x690/0x690
[  390.879331]  ndisc_alloc_skb+0x144/0x340
[  390.883440]  ndisc_send_rs+0x331/0x6e0
[  390.887366]  addrconf_rs_timer+0x314/0x690
[  390.891651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.895942]  call_timer_fn+0x272/0x920
[  390.899980]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.904258]  ? process_timeout+0x40/0x40
[  390.908333]  ? find_held_lock+0x36/0x1c0
[  390.912444]  ? mark_held_locks+0xc7/0x130
[  390.916614]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.921138]  ? _raw_spin_unlock_irq+0x27/0x80
[  390.925647]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.929898]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  390.934500]  ? trace_hardirqs_on+0xbd/0x310
[  390.938835]  ? kasan_check_read+0x11/0x20
[  390.942999]  ? __run_timers+0x7da/0xc70
[  390.947029]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  390.952510]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  390.956772]  __run_timers+0x7e5/0xc70
[  390.960600]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  390.965984]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  390.971113]  ? graph_lock+0x170/0x170
[  390.974947]  ? print_usage_bug+0xc0/0xc0
[  390.979033]  ? lock_release+0x970/0x970
[  390.983025]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  390.988238]  ? find_held_lock+0x36/0x1c0
[  390.992316]  ? graph_lock+0x170/0x170
[  390.996165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.001738]  ? check_preemption_disabled+0x48/0x200
[  391.006778]  ? __lock_is_held+0xb5/0x140
[  391.010861]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.016444]  ? check_preemption_disabled+0x48/0x200
[  391.021484]  run_timer_softirq+0x52/0xb0
[  391.025562]  ? rcu_read_lock_sched_held+0x108/0x120
[  391.030593]  __do_softirq+0x30b/0xad8
[  391.034432]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  391.039556]  ? pvclock_read_flags+0x160/0x160
[  391.044070]  ? lapic_next_event+0x5a/0x90
[  391.048232]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.053784]  ? check_preemption_disabled+0x48/0x200
[  391.058809]  ? check_preemption_disabled+0x48/0x200
[  391.063844]  ? kvm_clock_read+0x18/0x30
[  391.067858]  ? kvm_sched_clock_read+0x9/0x20
[  391.072304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.077887]  ? check_preemption_disabled+0x48/0x200
[  391.082941]  irq_exit+0x17f/0x1c0
[  391.086411]  smp_apic_timer_interrupt+0x1cb/0x760
[  391.091275]  ? smp_call_function_single_interrupt+0x650/0x650
[  391.097176]  ? interrupt_entry+0xb5/0xf0
[  391.101253]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.106285]  ? trace_hardirqs_off_caller+0xbb/0x310
[  391.111318]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.116197]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.121224]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.126253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.131815]  ? check_preemption_disabled+0x48/0x200
[  391.136853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.142418]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.147285]  apic_timer_interrupt+0xf/0x20
[  391.151530]  </IRQ>
[  391.153782] RIP: 0010:lock_acquire+0x268/0x520
[  391.158399] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  391.177365] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  391.185090] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  391.192390] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  391.199669] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  391.206955] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  391.214234] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  391.221548]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.227104]  ? lock_release+0x970/0x970
[  391.231108]  ? activate_page+0x1040/0x1040
[  391.235382]  ? __unlock_page_memcg+0x53/0x100
[  391.239916]  ? check_preemption_disabled+0x48/0x200
[  391.245091]  lock_page_memcg+0x95/0x350
[  391.249093]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  391.254295]  ? rcu_bh_qs+0xc0/0xc0
[  391.257852]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  391.263073]  page_remove_rmap+0x855/0x1a30
[  391.267408]  ? page_add_file_rmap+0x1470/0x1470
[  391.272097]  ? __lock_is_held+0xb5/0x140
[  391.276191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.281742]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.287298]  ? lru_add_drain_cpu+0x1c0/0x500
[  391.291743]  ? free_pages_and_swap_cache+0x475/0x6f0
[  391.296970]  ? free_page_and_swap_cache+0x950/0x950
[  391.302075]  ? kasan_check_read+0x11/0x20
[  391.306240]  ? page_mapcount+0x3b5/0x5d0
[  391.310320]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  391.315205]  ? lock_downgrade+0x900/0x900
[  391.319391]  ? lock_release+0x970/0x970
[  391.323407]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  391.328442]  ? _vm_normal_page+0x161/0x3c0
[  391.332697]  ? __pte_alloc_kernel+0x220/0x220
[  391.337209]  ? kasan_check_write+0x14/0x20
[  391.341461]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  391.346491]  ? __tlb_remove_page_size+0x187/0x500
[  391.351374]  unmap_page_range+0xf14/0x2030
[  391.355666]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  391.360196]  ? search_extable+0x80/0xb0
[  391.364185]  ? trim_init_extable+0x3a0/0x3a0
[  391.368608]  ? __get_user_8+0x21/0x2b
[  391.372428]  ? print_usage_bug+0xc0/0xc0
[  391.376517]  ? __lock_acquire+0x7ec/0x4ec0
[  391.380768]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  391.386322]  ? no_context+0xd9/0x980
[  391.390072]  ? lock_downgrade+0x900/0x900
[  391.394234]  ? graph_lock+0x170/0x170
[  391.398165]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.403716]  ? tlb_flush_mmu_free+0x135/0x1b0
[  391.408258]  ? find_held_lock+0x36/0x1c0
[  391.412363]  ? exit_mmap+0x4bb/0x590
[  391.416148]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  391.421698]  ? uprobe_munmap+0x14c/0x450
[  391.425777]  ? uprobe_mmap+0xd50/0xd50
[  391.429689]  ? lock_release+0x970/0x970
[  391.433692]  ? arch_local_save_flags+0x40/0x40
[  391.438318]  ? rwsem_down_write_failed+0xe/0x10
[  391.443026]  ? rwsem_down_write_failed+0xe/0x10
[  391.447712]  ? call_rwsem_down_write_failed+0x17/0x30
[  391.452925]  unmap_single_vma+0x19b/0x310
[  391.457095]  unmap_vmas+0x125/0x200
[  391.460741]  exit_mmap+0x2be/0x590
[  391.464298]  ? __ia32_sys_munmap+0x80/0x80
[  391.468995]  ? __might_sleep+0x95/0x190
[  391.473127]  mmput+0x247/0x610
[  391.476367]  ? lock_downgrade+0x900/0x900
[  391.480535]  ? set_mm_exe_file+0x200/0x200
[  391.484790]  ? kasan_check_read+0x11/0x20
[  391.488952]  ? do_raw_spin_unlock+0xa7/0x2f0
[  391.493393]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  391.498006]  ? kasan_check_write+0x14/0x20
[  391.502258]  ? do_raw_spin_lock+0xc1/0x200
[  391.506516]  do_exit+0xe6f/0x2610
[  391.509984]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  391.515025]  ? mm_update_next_owner+0x990/0x990
[  391.519719]  ? print_usage_bug+0xc0/0xc0
[  391.523824]  ? graph_lock+0x170/0x170
[  391.527641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.533193]  ? check_preemption_disabled+0x48/0x200
[  391.538225]  ? check_preemption_disabled+0x48/0x200
[  391.543256]  ? print_usage_bug+0xc0/0xc0
[  391.547363]  ? __lock_acquire+0x7ec/0x4ec0
[  391.551627]  ? __lock_acquire+0x7ec/0x4ec0
[  391.555899]  ? mark_held_locks+0x130/0x130
[  391.560157]  ? mark_held_locks+0x130/0x130
[  391.564410]  ? kasan_check_write+0x14/0x20
[  391.568662]  ? finish_task_switch+0x2f5/0x900
[  391.573175]  ? __switch_to_asm+0x40/0x70
[  391.577364]  ? __switch_to_asm+0x34/0x70
[  391.581446]  ? __switch_to_asm+0x34/0x70
[  391.585522]  ? __switch_to_asm+0x40/0x70
[  391.589598]  ? __switch_to_asm+0x34/0x70
[  391.593676]  ? __switch_to_asm+0x40/0x70
[  391.597804]  ? __switch_to_asm+0x34/0x70
[  391.601933]  ? __switch_to_asm+0x34/0x70
[  391.606013]  ? __switch_to_asm+0x34/0x70
[  391.610091]  ? __switch_to_asm+0x34/0x70
[  391.614228]  ? __switch_to_asm+0x40/0x70
[  391.618313]  ? __switch_to_asm+0x34/0x70
[  391.622413]  ? __switch_to_asm+0x40/0x70
[  391.626496]  ? graph_lock+0x170/0x170
[  391.630305]  ? graph_lock+0x170/0x170
[  391.634145]  ? graph_lock+0x170/0x170
[  391.637974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  391.643553]  ? wait_consider_task+0x245/0x3bb0
[  391.648156]  ? memset+0x31/0x40
[  391.651459]  ? find_held_lock+0x36/0x1c0
[  391.655545]  ? get_signal+0x95b/0x1980
[  391.659453]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.663985]  ? _raw_spin_unlock_irq+0x27/0x80
[  391.668507]  do_group_exit+0x177/0x440
[  391.672416]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  391.678102]  ? __ia32_sys_exit+0x50/0x50
[  391.682191]  get_signal+0x8b0/0x1980
[  391.685938]  ? ptrace_notify+0x130/0x130
[  391.690023]  ? do_wait+0x57d/0xb90
[  391.693584]  ? wait_consider_task+0x3bb0/0x3bb0
[  391.698359]  ? graph_lock+0x170/0x170
[  391.702243]  ? graph_lock+0x170/0x170
[  391.706131]  ? graph_lock+0x170/0x170
[  391.709969]  do_signal+0x9c/0x21e0
[  391.713523]  ? find_held_lock+0x36/0x1c0
[  391.717611]  ? setup_sigcontext+0x7d0/0x7d0
[  391.721954]  ? kernel_wait4+0x2e0/0x3f0
[  391.725958]  ? __ia32_sys_waitid+0x140/0x140
[  391.730411]  ? task_stopped_code+0x190/0x190
[  391.734871]  ? exit_to_usermode_loop+0x8c/0x380
[  391.739575]  ? __do_page_fault+0x4a6/0xed0
[  391.743825]  ? do_syscall_64+0x9a/0x820
[  391.747815]  ? do_syscall_64+0x9a/0x820
[  391.751874]  exit_to_usermode_loop+0x2e5/0x380
[  391.756540]  ? syscall_slow_exit_work+0x520/0x520
[  391.761615]  do_syscall_64+0x6be/0x820
[  391.765710]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  391.771093]  ? syscall_return_slowpath+0x5e0/0x5e0
[  391.776207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.781069]  ? trace_hardirqs_on_caller+0x310/0x310
[  391.786106]  ? prepare_exit_to_usermode+0x291/0x3b0
[  391.791207]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  391.796128]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  391.801472] RIP: 0033:0x41124a
[  391.804685] Code: Bad RIP value.
[  391.808059] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  391.815779] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  391.823067] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  391.830463] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  391.837749] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  391.845077] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  391.852454] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  391.852461] warn_alloc_show_mem: 1 callbacks suppressed
[  391.852469] Mem-Info:
[  391.859760] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  391.865146] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  391.865146]  active_file:8 inactive_file:19 isolated_file:0
[  391.865146]  unevictable:0 dirty:0 writeback:0 unstable:0
[  391.865146]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  391.865146]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  391.865146]  free:13709 free_pcp:257 free_cma:0
[  391.867537] Call Trace:
[  391.876984] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  391.909939]  <IRQ>
[  391.912523] Node 0 
[  391.940206]  dump_stack+0x1c4/0x2b4
[  391.942398] 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
[  391.944627]  ? dump_stack_print_info.cold.2+0x52/0x52
[  391.948259] lowmem_reserve[]:
[  391.973783]  warn_alloc.cold.119+0xb7/0x1bd
[  391.978948]  0 2819
[  391.982125]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  391.986433]  6323 6323
[  391.988690]  ? lock_downgrade+0x900/0x900
[  391.993583] Node 0 
[  391.996148]  ? trace_hardirqs_off+0xb8/0x310
[  392.000309] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  392.002540]  ? trace_hardirqs_off+0xb8/0x310
[  392.006928] lowmem_reserve[]: 0
[  392.033676]  __alloc_pages_slowpath+0x2667/0x2d80
[  392.038067]  0 3503
[  392.041415]  ? warn_alloc+0x120/0x120
[  392.046214]  3503
[  392.048472]  ? trace_hardirqs_on+0x310/0x310
[  392.052264] Node 0 
[  392.054337]  ? warn_alloc+0x120/0x120
[  392.058786] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  392.061019]  ? print_usage_bug+0xc0/0xc0
[  392.064803] lowmem_reserve[]: 0
[  392.093722]  ? warn_alloc+0x120/0x120
[  392.097777]  0
[  392.101069]  ? ktime_get+0x2e1/0x440
[  392.104857]  0
[  392.106686]  ? print_usage_bug+0xc0/0xc0
[  392.110393]  0
[  392.112208]  ? __lock_acquire+0x7ec/0x4ec0
[  392.116258] Node 0 
[  392.118076]  ? __lock_acquire+0x7ec/0x4ec0
[  392.122304] DMA: 
[  392.124559]  ? kasan_check_read+0x11/0x20
[  392.128786] 1*4kB 
[  392.130864]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  392.135177] (U) 
[  392.137373]  ? should_fail+0x22d/0xd01
[  392.142907] 0*8kB 0*16kB 
[  392.144919]  ? rcu_bh_qs+0xc0/0xc0
[  392.148796] 1*32kB (U) 
[  392.151577]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.155103] 2*64kB (U) 
[  392.157711]  ? __lock_acquire+0x7ec/0x4ec0
[  392.162817] 1*128kB 
[  392.165413]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  392.169636] (U) 
[  392.171961]  ? __lock_acquire+0x7ec/0x4ec0
[  392.171987]  ? should_fail+0x22d/0xd01
[  392.177090] 1*256kB (U) 
[  392.179091]  ? rcu_idle_enter+0x4b0/0x4b0
[  392.183792] 0*512kB 1*1024kB 
[  392.187702]  ? mark_held_locks+0x130/0x130
[  392.190373] (U) 1*2048kB 
[  392.194542]  ? mark_held_locks+0x130/0x130
[  392.197641] (M) 
[  392.201890]  ? mark_held_locks+0xc7/0x130
[  392.204633] 3*4096kB (M) 
[  392.208908]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  392.210875] = 15908kB
[  392.215041]  ? graph_lock+0x170/0x170
[  392.217784] Node 0 DMA32: 
[  392.222817]  ? print_usage_bug+0xc0/0xc0
[  392.225219] 4*4kB 
[  392.229036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.231873] (UM) 
[  392.235946]  ? check_preemption_disabled+0x48/0x200
[  392.238088] 2*8kB 
[  392.243632]  ? check_preemption_disabled+0x48/0x200
[  392.243657]  ? __lock_is_held+0xb5/0x140
[  392.245790] (UM) 
[  392.250821]  __alloc_pages_nodemask+0xa80/0xde0
[  392.252962] 2*16kB 
[  392.257987]  ? graph_lock+0x170/0x170
[  392.262031] (M) 3*32kB 
[  392.264114]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  392.268768] (UM) 5*64kB 
[  392.271033]  ? graph_lock+0x170/0x170
[  392.271059]  ? find_held_lock+0x36/0x1c0
[  392.274840] (UM) 4*128kB 
[  392.277454]  ? ____cache_alloc_node+0x1c7/0x1e0
[  392.282458] (UM) 
[  392.285139]  ? lock_downgrade+0x900/0x900
[  392.288928] 4*256kB 
[  392.293003]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.295801] (UM) 3*512kB 
[  392.300494]  cache_grow_begin+0x91/0x8c0
[  392.302588] (M) 3*1024kB 
[  392.306758]  ? do_raw_spin_unlock+0xa7/0x2f0
[  392.309065] (UM) 3*2048kB 
[  392.314625]  fallback_alloc+0x203/0x2e0
[  392.317377] (M) 3*4096kB 
[  392.321472]  ____cache_alloc_node+0x1c7/0x1e0
[  392.324220] (M) 
[  392.328640]  kmem_cache_alloc_node+0xe3/0x730
[  392.331470] = 25056kB
[  392.331479] Node 0 
[  392.335464]  ? ipv6_get_ifaddr+0x42e/0x620
[  392.338205] Normal: 798*4kB 
[  392.342727]  __alloc_skb+0x119/0x770
[  392.344686] (ME) 
[  392.349211]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  392.351694] 471*8kB (UME) 
[  392.353973]  ? skb_scrub_packet+0x490/0x490
[  392.358205] 208*16kB (UME) 
[  392.361252]  ? lock_downgrade+0x900/0x900
[  392.364952] 76*32kB (UME) 
[  392.367042]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.372300] 4*64kB (M) 
[  392.375168]  ? refcount_sub_and_test_checked+0x203/0x310
[  392.379472] 1*128kB (U) 
[  392.382425]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  392.386557] 1*256kB (U) 
[  392.389429]  ? addrconf_rs_timer+0x690/0x690
[  392.394953] 1*512kB (U) 
[  392.397565]  ndisc_alloc_skb+0x144/0x340
[  392.402996] 0*1024kB 
[  392.405678]  ndisc_send_rs+0x331/0x6e0
[  392.411114] 0*2048kB 0*4096kB 
[  392.413806]  addrconf_rs_timer+0x314/0x690
[  392.418199] = 13872kB
[  392.418214] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  392.420911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.424970] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  392.424992] 1299 total pagecache pages
[  392.427421]  call_timer_fn+0x272/0x920
[  392.431298] 0 pages in swap cache
[  392.434496]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.438794] Swap cache stats: add 0, delete 0, find 0/0
[  392.438803] Free swap  = 0kB
[  392.441225]  ? process_timeout+0x40/0x40
[  392.450048] Total swap = 0kB
[  392.450058] 1965979 pages RAM
[  392.454300]  ? find_held_lock+0x36/0x1c0
[  392.462859] 0 pages HighMem/MovableOnly
[  392.462873] 342306 pages reserved
[  392.466826]  ? __run_timers+0x7da/0xc70
[  392.470700] 0 pages cma reserved
[  392.470786] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  392.474178]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.478554] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  392.483835]  ? _raw_spin_unlock_irq+0x27/0x80
[  392.486848] syz-executor1 cpuset=
[  392.490914]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.490930]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  392.493947] /
[  392.497067]  ? trace_hardirqs_on+0xbd/0x310
[  392.501122]  mems_allowed=0
[  392.505104]  ? kasan_check_read+0x11/0x20
[  392.567311]  ? __run_timers+0x7da/0xc70
[  392.571325]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  392.576873]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.581129]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  392.585400]  __run_timers+0x7e5/0xc70
[  392.589232]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  392.594613]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  392.599641]  ? graph_lock+0x170/0x170
[  392.603464]  ? enqueue_hrtimer+0x1a5/0x560
[  392.607713]  ? lock_release+0x970/0x970
[  392.611706]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  392.616971]  ? find_held_lock+0x36/0x1c0
[  392.621065]  ? graph_lock+0x170/0x170
[  392.625028]  ? pvclock_read_flags+0x160/0x160
[  392.629543]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.635098]  ? check_preemption_disabled+0x48/0x200
[  392.640139]  ? __lock_is_held+0xb5/0x140
[  392.644214]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.649765]  ? check_preemption_disabled+0x48/0x200
[  392.654827]  run_timer_softirq+0x52/0xb0
[  392.658914]  ? rcu_read_lock_sched_held+0x108/0x120
[  392.664035]  __do_softirq+0x30b/0xad8
[  392.667876]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  392.672999]  ? pvclock_read_flags+0x160/0x160
[  392.677510]  ? lapic_next_event+0x5a/0x90
[  392.681673]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.687225]  ? check_preemption_disabled+0x48/0x200
[  392.692254]  ? check_preemption_disabled+0x48/0x200
[  392.697289]  ? kvm_clock_read+0x18/0x30
[  392.701282]  ? kvm_sched_clock_read+0x9/0x20
[  392.705711]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.711263]  ? check_preemption_disabled+0x48/0x200
[  392.716312]  irq_exit+0x17f/0x1c0
[  392.719806]  smp_apic_timer_interrupt+0x1cb/0x760
[  392.724660]  ? smp_reschedule_interrupt+0x109/0x650
[  392.729693]  ? smp_call_function_single_interrupt+0x650/0x650
[  392.735596]  ? interrupt_entry+0xb5/0xf0
[  392.739677]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.744708]  ? trace_hardirqs_off_caller+0xbb/0x310
[  392.749760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.754679]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.759708]  ? trace_hardirqs_on_caller+0x310/0x310
[  392.764737]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.770300]  ? check_preemption_disabled+0x48/0x200
[  392.775328]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.780913]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  392.785781]  apic_timer_interrupt+0xf/0x20
[  392.790019]  </IRQ>
[  392.792273] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  392.797225] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  392.816138] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  392.823860] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  392.831191] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  392.838475] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  392.845756] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  392.853035] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  392.860382]  skb_clone+0x1bb/0x500
[  392.863946]  ? finish_task_switch+0x1b5/0x900
[  392.868460]  ? skb_split+0x11e0/0x11e0
[  392.872402]  ? preempt_notifier_register+0x200/0x200
[  392.877522]  ? __switch_to_asm+0x34/0x70
[  392.881604]  ? __switch_to_asm+0x34/0x70
[  392.885676]  ? __switch_to_asm+0x40/0x70
[  392.889751]  ? __switch_to_asm+0x34/0x70
[  392.893827]  ? __switch_to_asm+0x40/0x70
[  392.897899]  ? __switch_to_asm+0x34/0x70
[  392.902031]  ? __switch_to_asm+0x40/0x70
[  392.906104]  ? __switch_to_asm+0x34/0x70
[  392.910179]  ? __switch_to_asm+0x34/0x70
[  392.914252]  ? __switch_to_asm+0x40/0x70
[  392.918323]  ? __switch_to_asm+0x34/0x70
[  392.922433]  bpf_clone_redirect+0xb9/0x490
[  392.926683]  ? __schedule+0x874/0x1ed0
[  392.930593]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  392.935623]  ? __sched_text_start+0x8/0x8
[  392.939786]  ? lockdep_hardirqs_on+0x421/0x5c0
[  392.944403]  ? retint_kernel+0x2d/0x2d
[  392.948302]  ? trace_hardirqs_on_caller+0xc0/0x310
[  392.953249]  ? find_held_lock+0x36/0x1c0
[  392.957331]  ? lock_acquire+0x1ed/0x520
[  392.961376]  ? bpf_test_run+0x3cb/0x780
[  392.965393]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  392.970945]  ? check_preemption_disabled+0x48/0x200
[  392.975976]  ? kasan_check_read+0x11/0x20
[  392.980146]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  392.985443]  ? rcu_bh_qs+0xc0/0xc0
[  392.989022]  ? preempt_schedule+0x4d/0x60
[  392.993183]  ? ___preempt_schedule+0x16/0x18
[  392.997610]  ? bpf_test_run+0x25d/0x780
[  393.001609]  ? netlink_diag_dump+0x2a0/0x2a0
[  393.006035]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.011590]  ? bpf_test_init.isra.9+0x70/0x100
[  393.016193]  ? bpf_prog_test_run_skb+0x634/0xb40
[  393.021014]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  393.025869]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.031425]  ? fput+0x130/0x1a0
[  393.034724]  ? __bpf_prog_get+0x9b/0x290
[  393.038820]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  393.043677]  ? bpf_prog_test_run+0x130/0x1a0
[  393.048101]  ? __x64_sys_bpf+0x3d8/0x510
[  393.052176]  ? bpf_prog_get+0x20/0x20
[  393.056012]  ? do_syscall_64+0x1b9/0x820
[  393.060087]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  393.065467]  ? syscall_return_slowpath+0x5e0/0x5e0
[  393.070421]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.075454]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  393.080489]  ? recalc_sigpending_tsk+0x180/0x180
[  393.085266]  ? kasan_check_write+0x14/0x20
[  393.089536]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.094445]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  393.099842] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  393.099928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  393.107140] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  393.107150] Call Trace:
[  393.113742] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  393.123008]  <IRQ>
[  393.125597] syz-executor4 cpuset=
[  393.136094]  dump_stack+0x1c4/0x2b4
[  393.138236] syz4
[  393.141723]  ? dump_stack_print_info.cold.2+0x52/0x52
[  393.145364]  mems_allowed=0
[  393.147385]  warn_alloc.cold.119+0xb7/0x1bd
[  393.159829]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  393.164689]  ? lock_downgrade+0x900/0x900
[  393.168876]  ? trace_hardirqs_off+0xb8/0x310
[  393.173311]  ? trace_hardirqs_off+0xb8/0x310
[  393.177778]  __alloc_pages_slowpath+0x2667/0x2d80
[  393.182667]  ? warn_alloc+0x120/0x120
[  393.186496]  ? trace_hardirqs_on+0x310/0x310
[  393.190920]  ? warn_alloc+0x120/0x120
[  393.194768]  ? print_usage_bug+0xc0/0xc0
[  393.198846]  ? warn_alloc+0x120/0x120
[  393.202663]  ? ktime_get+0x2e1/0x440
[  393.206406]  ? print_usage_bug+0xc0/0xc0
[  393.210486]  ? __lock_acquire+0x7ec/0x4ec0
[  393.214733]  ? __lock_acquire+0x7ec/0x4ec0
[  393.218986]  ? kasan_check_read+0x11/0x20
[  393.223149]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.228714]  ? should_fail+0x22d/0xd01
[  393.232634]  ? rcu_bh_qs+0xc0/0xc0
[  393.236194]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.241316]  ? __lock_acquire+0x7ec/0x4ec0
[  393.245591]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  393.250708]  ? __lock_acquire+0x7ec/0x4ec0
[  393.254955]  ? should_fail+0x22d/0xd01
[  393.258886]  ? rcu_idle_enter+0x4b0/0x4b0
[  393.263061]  ? mark_held_locks+0x130/0x130
[  393.267316]  ? mark_held_locks+0x130/0x130
[  393.271591]  ? mark_held_locks+0xc7/0x130
[  393.275764]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  393.280819]  ? graph_lock+0x170/0x170
[  393.284633]  ? print_usage_bug+0xc0/0xc0
[  393.288712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.294277]  ? check_preemption_disabled+0x48/0x200
[  393.299311]  ? check_preemption_disabled+0x48/0x200
[  393.304394]  ? __lock_is_held+0xb5/0x140
[  393.308484]  __alloc_pages_nodemask+0xa80/0xde0
[  393.313223]  ? graph_lock+0x170/0x170
[  393.317048]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  393.322077]  ? graph_lock+0x170/0x170
[  393.325905]  ? find_held_lock+0x36/0x1c0
[  393.329990]  ? ____cache_alloc_node+0x1c7/0x1e0
[  393.334829]  ? lock_downgrade+0x900/0x900
[  393.339057]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.344616]  cache_grow_begin+0x91/0x8c0
[  393.348693]  ? do_raw_spin_unlock+0xa7/0x2f0
[  393.353127]  fallback_alloc+0x203/0x2e0
[  393.357126]  ____cache_alloc_node+0x1c7/0x1e0
[  393.361642]  kmem_cache_alloc_node+0xe3/0x730
[  393.366151]  ? ipv6_get_ifaddr+0x42e/0x620
[  393.370414]  __alloc_skb+0x119/0x770
[  393.374145]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  393.379442]  ? skb_scrub_packet+0x490/0x490
[  393.383778]  ? lock_downgrade+0x900/0x900
[  393.387945]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.393493]  ? refcount_sub_and_test_checked+0x203/0x310
[  393.398975]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  393.404439]  ? addrconf_rs_timer+0x690/0x690
[  393.408883]  ndisc_alloc_skb+0x144/0x340
[  393.412960]  ndisc_send_rs+0x331/0x6e0
[  393.416879]  addrconf_rs_timer+0x314/0x690
[  393.421135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.425416]  call_timer_fn+0x272/0x920
[  393.429321]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.433608]  ? process_timeout+0x40/0x40
[  393.437704]  ? find_held_lock+0x36/0x1c0
[  393.441783]  ? mark_held_locks+0xc7/0x130
[  393.445951]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.450463]  ? _raw_spin_unlock_irq+0x27/0x80
[  393.454970]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.459273]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  393.463880]  ? trace_hardirqs_on+0xbd/0x310
[  393.468215]  ? kasan_check_read+0x11/0x20
[  393.472399]  ? __run_timers+0x7da/0xc70
[  393.476403]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  393.481890]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.486199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  393.490451]  __run_timers+0x7e5/0xc70
[  393.494281]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  393.499664]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.504695]  ? graph_lock+0x170/0x170
[  393.508753]  ? print_usage_bug+0xc0/0xc0
[  393.512866]  ? lock_release+0x970/0x970
[  393.516873]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  393.522088]  ? find_held_lock+0x36/0x1c0
[  393.526221]  ? graph_lock+0x170/0x170
[  393.530039]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.535591]  ? check_preemption_disabled+0x48/0x200
[  393.540633]  ? __lock_is_held+0xb5/0x140
[  393.544712]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.550267]  ? check_preemption_disabled+0x48/0x200
[  393.555307]  run_timer_softirq+0x52/0xb0
[  393.559406]  ? rcu_read_lock_sched_held+0x108/0x120
[  393.564437]  __do_softirq+0x30b/0xad8
[  393.568262]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  393.573398]  ? pvclock_read_flags+0x160/0x160
[  393.577909]  ? lapic_next_event+0x5a/0x90
[  393.582070]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.587634]  ? check_preemption_disabled+0x48/0x200
[  393.592664]  ? check_preemption_disabled+0x48/0x200
[  393.597701]  ? kvm_clock_read+0x18/0x30
[  393.601691]  ? kvm_sched_clock_read+0x9/0x20
[  393.606115]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.611669]  ? check_preemption_disabled+0x48/0x200
[  393.616712]  irq_exit+0x17f/0x1c0
[  393.620178]  smp_apic_timer_interrupt+0x1cb/0x760
[  393.625036]  ? smp_call_function_single_interrupt+0x650/0x650
[  393.630936]  ? interrupt_entry+0xb5/0xf0
[  393.635010]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.640037]  ? trace_hardirqs_off_caller+0xbb/0x310
[  393.645072]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.649944]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.654974]  ? trace_hardirqs_on_caller+0x310/0x310
[  393.660007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.665564]  ? check_preemption_disabled+0x48/0x200
[  393.670594]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.676158]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  393.681125]  apic_timer_interrupt+0xf/0x20
[  393.685386]  </IRQ>
[  393.687639] RIP: 0010:lock_acquire+0x268/0x520
[  393.692234] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  393.711145] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  393.718866] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  393.726154] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  393.733436] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  393.740718] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  393.747997] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  393.755424]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.761002]  ? lock_release+0x970/0x970
[  393.764995]  ? activate_page+0x1040/0x1040
[  393.769249]  ? __unlock_page_memcg+0x53/0x100
[  393.773819]  ? check_preemption_disabled+0x48/0x200
[  393.778885]  lock_page_memcg+0x95/0x350
[  393.782883]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  393.788093]  ? rcu_bh_qs+0xc0/0xc0
[  393.791653]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  393.796876]  page_remove_rmap+0x855/0x1a30
[  393.801135]  ? page_add_file_rmap+0x1470/0x1470
[  393.805842]  ? __lock_is_held+0xb5/0x140
[  393.809934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.815487]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.821041]  ? lru_add_drain_cpu+0x1c0/0x500
[  393.825477]  ? free_pages_and_swap_cache+0x475/0x6f0
[  393.830606]  ? free_page_and_swap_cache+0x950/0x950
[  393.835645]  ? kasan_check_read+0x11/0x20
[  393.839812]  ? page_mapcount+0x3b5/0x5d0
[  393.843895]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  393.848759]  ? lock_downgrade+0x900/0x900
[  393.852927]  ? lock_release+0x970/0x970
[  393.856921]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  393.862111]  ? _vm_normal_page+0x161/0x3c0
[  393.866382]  ? __pte_alloc_kernel+0x220/0x220
[  393.870904]  ? kasan_check_write+0x14/0x20
[  393.875208]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  393.880239]  ? __tlb_remove_page_size+0x187/0x500
[  393.885100]  unmap_page_range+0xf14/0x2030
[  393.889393]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  393.893912]  ? search_extable+0x80/0xb0
[  393.897907]  ? trim_init_extable+0x3a0/0x3a0
[  393.902364]  ? __get_user_8+0x21/0x2b
[  393.906186]  ? print_usage_bug+0xc0/0xc0
[  393.910270]  ? __lock_acquire+0x7ec/0x4ec0
[  393.914522]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  393.920073]  ? no_context+0xd9/0x980
[  393.923811]  ? lock_downgrade+0x900/0x900
[  393.927994]  ? graph_lock+0x170/0x170
[  393.931815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  393.937385]  ? tlb_flush_mmu_free+0x135/0x1b0
[  393.941908]  ? find_held_lock+0x36/0x1c0
[  393.946005]  ? exit_mmap+0x4bb/0x590
[  393.949733]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  393.955282]  ? uprobe_munmap+0x14c/0x450
[  393.959379]  ? uprobe_mmap+0xd50/0xd50
[  393.963280]  ? lock_release+0x970/0x970
[  393.967269]  ? arch_local_save_flags+0x40/0x40
[  393.971882]  ? rwsem_down_write_failed+0xe/0x10
[  393.976566]  ? rwsem_down_write_failed+0xe/0x10
[  393.981248]  ? call_rwsem_down_write_failed+0x17/0x30
[  393.986458]  unmap_single_vma+0x19b/0x310
[  393.990627]  unmap_vmas+0x125/0x200
[  393.994283]  exit_mmap+0x2be/0x590
[  393.997838]  ? __ia32_sys_munmap+0x80/0x80
[  394.002115]  ? __might_sleep+0x95/0x190
[  394.006106]  mmput+0x247/0x610
[  394.009314]  ? lock_downgrade+0x900/0x900
[  394.013497]  ? set_mm_exe_file+0x200/0x200
[  394.017756]  ? kasan_check_read+0x11/0x20
[  394.021921]  ? do_raw_spin_unlock+0xa7/0x2f0
[  394.026377]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  394.030984]  ? kasan_check_write+0x14/0x20
[  394.035232]  ? do_raw_spin_lock+0xc1/0x200
[  394.039491]  do_exit+0xe6f/0x2610
[  394.042961]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  394.048011]  ? mm_update_next_owner+0x990/0x990
[  394.052699]  ? print_usage_bug+0xc0/0xc0
[  394.056773]  ? graph_lock+0x170/0x170
[  394.060705]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.066701]  ? check_preemption_disabled+0x48/0x200
[  394.071735]  ? check_preemption_disabled+0x48/0x200
[  394.077035]  ? print_usage_bug+0xc0/0xc0
[  394.081119]  ? __lock_acquire+0x7ec/0x4ec0
[  394.085395]  ? __lock_acquire+0x7ec/0x4ec0
[  394.089668]  ? mark_held_locks+0x130/0x130
[  394.093934]  ? mark_held_locks+0x130/0x130
[  394.098181]  ? kasan_check_write+0x14/0x20
[  394.102433]  ? finish_task_switch+0x2f5/0x900
[  394.106944]  ? __switch_to_asm+0x40/0x70
[  394.111049]  ? __switch_to_asm+0x34/0x70
[  394.115120]  ? __switch_to_asm+0x34/0x70
[  394.119242]  ? __switch_to_asm+0x40/0x70
[  394.123315]  ? __switch_to_asm+0x34/0x70
[  394.127420]  ? __switch_to_asm+0x40/0x70
[  394.131494]  ? __switch_to_asm+0x34/0x70
[  394.135594]  ? __switch_to_asm+0x34/0x70
[  394.139668]  ? __switch_to_asm+0x34/0x70
[  394.143745]  ? __switch_to_asm+0x34/0x70
[  394.147835]  ? __switch_to_asm+0x40/0x70
[  394.151909]  ? __switch_to_asm+0x34/0x70
[  394.156021]  ? __switch_to_asm+0x40/0x70
[  394.160102]  ? graph_lock+0x170/0x170
[  394.163915]  ? graph_lock+0x170/0x170
[  394.167747]  ? graph_lock+0x170/0x170
[  394.171599]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.177151]  ? wait_consider_task+0x245/0x3bb0
[  394.182243]  ? memset+0x31/0x40
[  394.185546]  ? find_held_lock+0x36/0x1c0
[  394.189633]  ? get_signal+0x95b/0x1980
[  394.193537]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.198043]  ? _raw_spin_unlock_irq+0x27/0x80
[  394.202570]  do_group_exit+0x177/0x440
[  394.206478]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  394.211950]  ? __ia32_sys_exit+0x50/0x50
[  394.216058]  get_signal+0x8b0/0x1980
[  394.219795]  ? ptrace_notify+0x130/0x130
[  394.223877]  ? do_wait+0x57d/0xb90
[  394.227452]  ? wait_consider_task+0x3bb0/0x3bb0
[  394.232132]  ? graph_lock+0x170/0x170
[  394.235949]  ? graph_lock+0x170/0x170
[  394.239785]  ? graph_lock+0x170/0x170
[  394.243633]  do_signal+0x9c/0x21e0
[  394.247187]  ? find_held_lock+0x36/0x1c0
[  394.251274]  ? setup_sigcontext+0x7d0/0x7d0
[  394.255609]  ? kernel_wait4+0x2e0/0x3f0
[  394.259604]  ? __ia32_sys_waitid+0x140/0x140
[  394.264059]  ? task_stopped_code+0x190/0x190
[  394.268487]  ? exit_to_usermode_loop+0x8c/0x380
[  394.273200]  ? __do_page_fault+0x4a6/0xed0
[  394.277451]  ? do_syscall_64+0x9a/0x820
[  394.281440]  ? do_syscall_64+0x9a/0x820
[  394.285437]  exit_to_usermode_loop+0x2e5/0x380
[  394.290047]  ? syscall_slow_exit_work+0x520/0x520
[  394.294924]  do_syscall_64+0x6be/0x820
[  394.298832]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  394.304210]  ? syscall_return_slowpath+0x5e0/0x5e0
[  394.309155]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.314019]  ? trace_hardirqs_on_caller+0x310/0x310
[  394.319061]  ? prepare_exit_to_usermode+0x291/0x3b0
[  394.324112]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  394.329029]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  394.334391] RIP: 0033:0x41124a
[  394.337603] Code: Bad RIP value.
[  394.340983] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  394.348710] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  394.355988] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  394.363266] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  394.370546] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  394.377850] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  394.385163] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  394.385169] warn_alloc_show_mem: 1 callbacks suppressed
[  394.385177] Mem-Info:
[  394.392522] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  394.392531] Call Trace:
[  394.397925] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  394.397925]  active_file:8 inactive_file:19 isolated_file:0
[  394.397925]  unevictable:0 dirty:0 writeback:0 unstable:0
[  394.397925]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  394.397925]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  394.397925]  free:13709 free_pcp:257 free_cma:0
[  394.400317]  <IRQ>
[  394.409717] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  394.412318]  dump_stack+0x1c4/0x2b4
[  394.445278] Node 0 
[  394.447450]  ? dump_stack_print_info.cold.2+0x52/0x52
[  394.475135] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  394.478764]  warn_alloc.cold.119+0xb7/0x1bd
[  394.480974] lowmem_reserve[]: 0
[  394.486233]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  394.511722]  2819 6323
[  394.516065]  ? lock_downgrade+0x900/0x900
[  394.519334]  6323
[  394.524219]  ? trace_hardirqs_off+0xb8/0x310
[  394.526713] Node 0 
[  394.530886]  ? trace_hardirqs_off+0xb8/0x310
[  394.532972] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  394.537399]  __alloc_pages_slowpath+0x2667/0x2d80
[  394.539624] lowmem_reserve[]: 0
[  394.544081]  ? warn_alloc+0x120/0x120
[  394.570865]  0
[  394.575730]  ? trace_hardirqs_on+0x310/0x310
[  394.579003]  3503
[  394.582812]  ? warn_alloc+0x120/0x120
[  394.584603]  3503
[  394.589029]  ? print_usage_bug+0xc0/0xc0
[  394.591086] Node 0 
[  394.594897]  ? warn_alloc+0x120/0x120
[  394.596990] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  394.601040]  ? ktime_get+0x2e1/0x440
[  394.603275] lowmem_reserve[]:
[  394.607087]  ? print_usage_bug+0xc0/0xc0
[  394.635439]  0 0
[  394.639175]  ? __lock_acquire+0x7ec/0x4ec0
[  394.642274]  0
[  394.646374]  ? __lock_acquire+0x7ec/0x4ec0
[  394.648333]  0
[  394.652679]  ? kasan_check_read+0x11/0x20
[  394.654482] Node 0 
[  394.658729]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  394.660513] DMA: 1*4kB 
[  394.664686]  ? should_fail+0x22d/0xd01
[  394.666926] (U) 
[  394.672532]  ? rcu_bh_qs+0xc0/0xc0
[  394.675101] 0*8kB 0*16kB 
[  394.679011]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.681006] 1*32kB 
[  394.684557]  ? __lock_acquire+0x7ec/0x4ec0
[  394.687305] (U) 
[  394.692423]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  394.694646] 2*64kB (U) 
[  394.698924]  ? __lock_acquire+0x7ec/0x4ec0
[  394.700894] 1*128kB 
[  394.706005]  ? should_fail+0x22d/0xd01
[  394.708585] (U) 
[  394.712831]  ? rcu_idle_enter+0x4b0/0x4b0
[  394.715138] 1*256kB (U) 
[  394.719050]  ? mark_held_locks+0x130/0x130
[  394.721059] 0*512kB 1*1024kB 
[  394.725228]  ? mark_held_locks+0x130/0x130
[  394.727894] (U) 1*2048kB 
[  394.732146]  ? mark_held_locks+0xc7/0x130
[  394.735234] (M) 3*4096kB 
[  394.739495]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  394.742237] (M) = 15908kB
[  394.746417]  ? graph_lock+0x170/0x170
[  394.749162] Node 0 DMA32: 
[  394.754200]  ? print_usage_bug+0xc0/0xc0
[  394.756951] 4*4kB 
[  394.760775]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.763609] (UM) 
[  394.767684]  ? check_preemption_disabled+0x48/0x200
[  394.769819] 2*8kB (UM) 
[  394.775404]  ? check_preemption_disabled+0x48/0x200
[  394.777456] 2*16kB (M) 
[  394.782501]  ? __lock_is_held+0xb5/0x140
[  394.785067] 3*32kB (UM) 
[  394.790105]  __alloc_pages_nodemask+0xa80/0xde0
[  394.792678] 5*64kB (UM) 
[  394.796774]  ? graph_lock+0x170/0x170
[  394.799434] 4*128kB (UM) 
[  394.804127]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  394.806831] 4*256kB (UM) 
[  394.810648]  ? graph_lock+0x170/0x170
[  394.810687]  ? find_held_lock+0x36/0x1c0
[  394.813442] 3*512kB 
[  394.818475]  ? ____cache_alloc_node+0x1c7/0x1e0
[  394.821213] (M) 3*1024kB 
[  394.825035]  ? lock_downgrade+0x900/0x900
[  394.829080] (UM) 3*2048kB 
[  394.831434]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.836088] (M) 
[  394.838868]  cache_grow_begin+0x91/0x8c0
[  394.843178] 3*4096kB (M) 
[  394.846048]  ? do_raw_spin_unlock+0xa7/0x2f0
[  394.851662] = 25056kB
[  394.851671] Node 0 
[  394.853665]  fallback_alloc+0x203/0x2e0
[  394.857718] Normal: 
[  394.860512]  ____cache_alloc_node+0x1c7/0x1e0
[  394.864911] 798*4kB 
[  394.867331]  kmem_cache_alloc_node+0xe3/0x730
[  394.869578] (ME) 471*8kB 
[  394.873577]  ? ipv6_get_ifaddr+0x42e/0x620
[  394.875885] (UME) 208*16kB 
[  394.880424]  __alloc_skb+0x119/0x770
[  394.882728] (UME) 76*32kB 
[  394.887249]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  394.889997] (UME) 
[  394.894241]  ? skb_scrub_packet+0x490/0x490
[  394.897164] 4*64kB 
[  394.900895]  ? lock_downgrade+0x900/0x900
[  394.900918]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  394.903886] (M) 1*128kB 
[  394.909189]  ? refcount_sub_and_test_checked+0x203/0x310
[  394.911329] (U) 
[  394.915693]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  394.917921] 1*256kB 
[  394.922075]  ? addrconf_rs_timer+0x690/0x690
[  394.927593] (U) 1*512kB 
[  394.930293]  ndisc_alloc_skb+0x144/0x340
[  394.935720] (U) 0*1024kB 
[  394.937732]  ndisc_send_rs+0x331/0x6e0
[  394.943169] 0*2048kB 0*4096kB 
[  394.945514]  addrconf_rs_timer+0x314/0x690
[  394.949919] = 13872kB
[  394.952601]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.956663] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  394.959436]  call_timer_fn+0x272/0x920
[  394.963305] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  394.963315] 1299 total pagecache pages
[  394.966537]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  394.970769] 0 pages in swap cache
[  394.973185]  ? process_timeout+0x40/0x40
[  394.977416] Swap cache stats: add 0, delete 0, find 0/0
[  394.986251]  ? find_held_lock+0x36/0x1c0
[  394.986276]  ? __run_timers+0x7da/0xc70
[  394.990145] Free swap  = 0kB
[  394.990155] Total swap = 0kB
[  394.998745]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.002624] 1965979 pages RAM
[  395.006878]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.010321] 0 pages HighMem/MovableOnly
[  395.010330] 342306 pages reserved
[  395.014432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.019838] 0 pages cma reserved
[  395.019929] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.023921]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  395.028001] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.030942]  ? trace_hardirqs_on+0xbd/0x310
[  395.033963] syz-executor1 cpuset=
[  395.038486]  ? kasan_check_read+0x11/0x20
[  395.038504]  ? __run_timers+0x7da/0xc70
[  395.041604] /
[  395.046112]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.050082]  mems_allowed=0
[  395.053595]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.113237]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.117490]  __run_timers+0x7e5/0xc70
[  395.121384]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  395.126780]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  395.131814]  ? graph_lock+0x170/0x170
[  395.135637]  ? enqueue_hrtimer+0x1a5/0x560
[  395.139895]  ? lock_release+0x970/0x970
[  395.143909]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  395.149121]  ? find_held_lock+0x36/0x1c0
[  395.153200]  ? graph_lock+0x170/0x170
[  395.157021]  ? pvclock_read_flags+0x160/0x160
[  395.161529]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.167081]  ? check_preemption_disabled+0x48/0x200
[  395.172121]  ? __lock_is_held+0xb5/0x140
[  395.176201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.181752]  ? check_preemption_disabled+0x48/0x200
[  395.186832]  run_timer_softirq+0x52/0xb0
[  395.190903]  ? rcu_read_lock_sched_held+0x108/0x120
[  395.195937]  __do_softirq+0x30b/0xad8
[  395.199765]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  395.204883]  ? pvclock_read_flags+0x160/0x160
[  395.209402]  ? lapic_next_event+0x5a/0x90
[  395.213561]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.219113]  ? check_preemption_disabled+0x48/0x200
[  395.224140]  ? check_preemption_disabled+0x48/0x200
[  395.229169]  ? kvm_clock_read+0x18/0x30
[  395.233147]  ? kvm_sched_clock_read+0x9/0x20
[  395.237562]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.243101]  ? check_preemption_disabled+0x48/0x200
[  395.248159]  irq_exit+0x17f/0x1c0
[  395.251615]  smp_apic_timer_interrupt+0x1cb/0x760
[  395.256472]  ? smp_reschedule_interrupt+0x109/0x650
[  395.261501]  ? smp_call_function_single_interrupt+0x650/0x650
[  395.267392]  ? interrupt_entry+0xb5/0xf0
[  395.271462]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.276494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  395.281535]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.286395]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.291414]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.296445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.301984]  ? check_preemption_disabled+0x48/0x200
[  395.307010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.312558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.317413]  apic_timer_interrupt+0xf/0x20
[  395.321640]  </IRQ>
[  395.323898] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  395.328855] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  395.347755] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  395.355464] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  395.362735] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  395.370006] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  395.377281] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  395.384548] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  395.391894]  skb_clone+0x1bb/0x500
[  395.395438]  ? finish_task_switch+0x1b5/0x900
[  395.399934]  ? skb_split+0x11e0/0x11e0
[  395.403830]  ? preempt_notifier_register+0x200/0x200
[  395.408951]  ? __switch_to_asm+0x34/0x70
[  395.413031]  ? __switch_to_asm+0x34/0x70
[  395.417095]  ? __switch_to_asm+0x40/0x70
[  395.421156]  ? __switch_to_asm+0x34/0x70
[  395.425220]  ? __switch_to_asm+0x40/0x70
[  395.429279]  ? __switch_to_asm+0x34/0x70
[  395.433338]  ? __switch_to_asm+0x40/0x70
[  395.437402]  ? __switch_to_asm+0x34/0x70
[  395.441462]  ? __switch_to_asm+0x34/0x70
[  395.445525]  ? __switch_to_asm+0x40/0x70
[  395.449585]  ? __switch_to_asm+0x34/0x70
[  395.453676]  bpf_clone_redirect+0xb9/0x490
[  395.457925]  ? __schedule+0x874/0x1ed0
[  395.461818]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  395.466840]  ? __sched_text_start+0x8/0x8
[  395.471004]  ? lockdep_hardirqs_on+0x421/0x5c0
[  395.475586]  ? retint_kernel+0x2d/0x2d
[  395.479474]  ? trace_hardirqs_on_caller+0xc0/0x310
[  395.484413]  ? find_held_lock+0x36/0x1c0
[  395.488491]  ? lock_acquire+0x1ed/0x520
[  395.492481]  ? bpf_test_run+0x3cb/0x780
[  395.496462]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.502006]  ? check_preemption_disabled+0x48/0x200
[  395.507029]  ? kasan_check_read+0x11/0x20
[  395.511180]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  395.516458]  ? rcu_bh_qs+0xc0/0xc0
[  395.520000]  ? preempt_schedule+0x4d/0x60
[  395.524150]  ? ___preempt_schedule+0x16/0x18
[  395.528565]  ? bpf_test_run+0x25d/0x780
[  395.532548]  ? netlink_diag_dump+0x2a0/0x2a0
[  395.536975]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.542516]  ? bpf_test_init.isra.9+0x70/0x100
[  395.547099]  ? bpf_prog_test_run_skb+0x634/0xb40
[  395.551861]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  395.556703]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  395.562239]  ? fput+0x130/0x1a0
[  395.565550]  ? __bpf_prog_get+0x9b/0x290
[  395.569614]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  395.574470]  ? bpf_prog_test_run+0x130/0x1a0
[  395.578894]  ? __x64_sys_bpf+0x3d8/0x510
[  395.582959]  ? bpf_prog_get+0x20/0x20
[  395.586803]  ? do_syscall_64+0x1b9/0x820
[  395.590869]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  395.596237]  ? syscall_return_slowpath+0x5e0/0x5e0
[  395.601181]  ? trace_hardirqs_on_caller+0x310/0x310
[  395.606237]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  395.611257]  ? recalc_sigpending_tsk+0x180/0x180
[  395.616018]  ? kasan_check_write+0x14/0x20
[  395.620265]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  395.625128]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  395.630508] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  395.630592] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  395.637798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  395.637806] Call Trace:
[  395.644388] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  395.653633]  <IRQ>
[  395.656204] syz-executor4 cpuset=
[  395.666727]  dump_stack+0x1c4/0x2b4
[  395.668856] syz4
[  395.672306]  ? dump_stack_print_info.cold.2+0x52/0x52
[  395.675912]  mems_allowed=0
[  395.677895]  warn_alloc.cold.119+0xb7/0x1bd
[  395.690281]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  395.695126]  ? lock_downgrade+0x900/0x900
[  395.699278]  ? trace_hardirqs_off+0xb8/0x310
[  395.703689]  ? trace_hardirqs_off+0xb8/0x310
[  395.708114]  __alloc_pages_slowpath+0x2667/0x2d80
[  395.712986]  ? warn_alloc+0x120/0x120
[  395.716796]  ? warn_alloc+0x120/0x120
[  395.720601]  ? print_usage_bug+0xc0/0xc0
[  395.724669]  ? warn_alloc+0x120/0x120
[  395.728472]  ? print_usage_bug+0xc0/0xc0
[  395.732552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  395.738103]  ? should_fail+0x22d/0xd01
[  395.741993]  ? lock_downgrade+0x900/0x900
[  395.746155]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.751269]  ? __lock_acquire+0x7ec/0x4ec0
[  395.755523]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  395.760645]  ? __lock_acquire+0x7ec/0x4ec0
[  395.764878]  ? should_fail+0x22d/0xd01
[  395.768800]  ? mark_held_locks+0x130/0x130
[  395.773037]  ? mark_held_locks+0x130/0x130
[  395.777280]  ? kasan_check_read+0x11/0x20
[  395.781434]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  395.786738]  ? graph_lock+0x170/0x170
[  395.790536]  ? print_usage_bug+0xc0/0xc0
[  395.794593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.800133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.805673]  ? check_preemption_disabled+0x48/0x200
[  395.810686]  ? check_preemption_disabled+0x48/0x200
[  395.815723]  ? __lock_is_held+0xb5/0x140
[  395.819809]  __alloc_pages_nodemask+0xa80/0xde0
[  395.824493]  ? graph_lock+0x170/0x170
[  395.828298]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  395.833311]  ? graph_lock+0x170/0x170
[  395.837130]  ? find_held_lock+0x36/0x1c0
[  395.841220]  ? ____cache_alloc_node+0x1c7/0x1e0
[  395.845897]  ? lock_downgrade+0x900/0x900
[  395.850067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.855625]  cache_grow_begin+0x91/0x8c0
[  395.859688]  ? do_raw_spin_unlock+0xa7/0x2f0
[  395.864103]  fallback_alloc+0x203/0x2e0
[  395.868082]  ____cache_alloc_node+0x1c7/0x1e0
[  395.872594]  kmem_cache_alloc_node+0xe3/0x730
[  395.877090]  ? ipv6_get_ifaddr+0x42e/0x620
[  395.881338]  __alloc_skb+0x119/0x770
[  395.885103]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  395.890385]  ? skb_scrub_packet+0x490/0x490
[  395.894709]  ? lock_downgrade+0x900/0x900
[  395.898865]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  395.904410]  ? refcount_sub_and_test_checked+0x203/0x310
[  395.909884]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  395.915336]  ? addrconf_rs_timer+0x690/0x690
[  395.919769]  ndisc_alloc_skb+0x144/0x340
[  395.923852]  ndisc_send_rs+0x331/0x6e0
[  395.927751]  addrconf_rs_timer+0x314/0x690
[  395.931992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.936264]  call_timer_fn+0x272/0x920
[  395.940166]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.944402]  ? process_timeout+0x40/0x40
[  395.948461]  ? find_held_lock+0x36/0x1c0
[  395.952533]  ? mark_held_locks+0xc7/0x130
[  395.956686]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.961183]  ? _raw_spin_unlock_irq+0x27/0x80
[  395.965677]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.969924]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  395.974527]  ? trace_hardirqs_on+0xbd/0x310
[  395.978850]  ? kasan_check_read+0x11/0x20
[  395.983002]  ? __run_timers+0x7da/0xc70
[  395.986978]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  395.992435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  395.996674]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  396.000921]  __run_timers+0x7e5/0xc70
[  396.004738]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  396.010104]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.015123]  ? graph_lock+0x170/0x170
[  396.018932]  ? print_usage_bug+0xc0/0xc0
[  396.022990]  ? lock_release+0x970/0x970
[  396.026976]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  396.032174]  ? find_held_lock+0x36/0x1c0
[  396.036240]  ? graph_lock+0x170/0x170
[  396.040047]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.045585]  ? check_preemption_disabled+0x48/0x200
[  396.050617]  ? __lock_is_held+0xb5/0x140
[  396.054681]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.060216]  ? check_preemption_disabled+0x48/0x200
[  396.065264]  run_timer_softirq+0x52/0xb0
[  396.069322]  ? rcu_read_lock_sched_held+0x108/0x120
[  396.074477]  __do_softirq+0x30b/0xad8
[  396.078292]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  396.083402]  ? pvclock_read_flags+0x160/0x160
[  396.087914]  ? lapic_next_event+0x5a/0x90
[  396.092097]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.097635]  ? check_preemption_disabled+0x48/0x200
[  396.102652]  ? check_preemption_disabled+0x48/0x200
[  396.107679]  ? kvm_clock_read+0x18/0x30
[  396.111656]  ? kvm_sched_clock_read+0x9/0x20
[  396.116080]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.121617]  ? check_preemption_disabled+0x48/0x200
[  396.126649]  irq_exit+0x17f/0x1c0
[  396.130106]  smp_apic_timer_interrupt+0x1cb/0x760
[  396.134947]  ? smp_call_function_single_interrupt+0x650/0x650
[  396.140846]  ? interrupt_entry+0xb5/0xf0
[  396.144918]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.149932]  ? trace_hardirqs_off_caller+0xbb/0x310
[  396.154951]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.159795]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.164811]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.169828]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.175370]  ? check_preemption_disabled+0x48/0x200
[  396.180386]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.186456]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.191310]  apic_timer_interrupt+0xf/0x20
[  396.195545]  </IRQ>
[  396.197807] RIP: 0010:lock_acquire+0x268/0x520
[  396.202393] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  396.221291] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  396.228999] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  396.236268] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  396.243534] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  396.250805] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  396.258123] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  396.265415]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.270956]  ? lock_release+0x970/0x970
[  396.274932]  ? activate_page+0x1040/0x1040
[  396.279172]  ? __unlock_page_memcg+0x53/0x100
[  396.283671]  ? check_preemption_disabled+0x48/0x200
[  396.288703]  lock_page_memcg+0x95/0x350
[  396.292676]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  396.297866]  ? rcu_bh_qs+0xc0/0xc0
[  396.301441]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  396.306650]  page_remove_rmap+0x855/0x1a30
[  396.310898]  ? page_add_file_rmap+0x1470/0x1470
[  396.315570]  ? __lock_is_held+0xb5/0x140
[  396.319651]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.325203]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.330740]  ? lru_add_drain_cpu+0x1c0/0x500
[  396.335376]  ? free_pages_and_swap_cache+0x475/0x6f0
[  396.340496]  ? free_page_and_swap_cache+0x950/0x950
[  396.345539]  ? kasan_check_read+0x11/0x20
[  396.349689]  ? page_mapcount+0x3b5/0x5d0
[  396.353753]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  396.358615]  ? lock_downgrade+0x900/0x900
[  396.362778]  ? lock_release+0x970/0x970
[  396.366754]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  396.371769]  ? _vm_normal_page+0x161/0x3c0
[  396.376007]  ? __pte_alloc_kernel+0x220/0x220
[  396.380506]  ? kasan_check_write+0x14/0x20
[  396.384741]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  396.389770]  ? __tlb_remove_page_size+0x187/0x500
[  396.394619]  unmap_page_range+0xf14/0x2030
[  396.398893]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  396.403398]  ? search_extable+0x80/0xb0
[  396.407386]  ? trim_init_extable+0x3a0/0x3a0
[  396.411801]  ? __get_user_8+0x21/0x2b
[  396.415603]  ? print_usage_bug+0xc0/0xc0
[  396.419681]  ? __lock_acquire+0x7ec/0x4ec0
[  396.423913]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  396.429450]  ? no_context+0xd9/0x980
[  396.433163]  ? lock_downgrade+0x900/0x900
[  396.437313]  ? graph_lock+0x170/0x170
[  396.441131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.446670]  ? tlb_flush_mmu_free+0x135/0x1b0
[  396.451171]  ? find_held_lock+0x36/0x1c0
[  396.455237]  ? exit_mmap+0x4bb/0x590
[  396.458964]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  396.464505]  ? uprobe_munmap+0x14c/0x450
[  396.468583]  ? uprobe_mmap+0xd50/0xd50
[  396.472470]  ? lock_release+0x970/0x970
[  396.476461]  ? arch_local_save_flags+0x40/0x40
[  396.481056]  ? rwsem_down_write_failed+0xe/0x10
[  396.485731]  ? rwsem_down_write_failed+0xe/0x10
[  396.490402]  ? call_rwsem_down_write_failed+0x17/0x30
[  396.495611]  unmap_single_vma+0x19b/0x310
[  396.499780]  unmap_vmas+0x125/0x200
[  396.503419]  exit_mmap+0x2be/0x590
[  396.506964]  ? __ia32_sys_munmap+0x80/0x80
[  396.511224]  ? __might_sleep+0x95/0x190
[  396.515208]  mmput+0x247/0x610
[  396.518407]  ? lock_downgrade+0x900/0x900
[  396.522552]  ? set_mm_exe_file+0x200/0x200
[  396.526790]  ? kasan_check_read+0x11/0x20
[  396.530938]  ? do_raw_spin_unlock+0xa7/0x2f0
[  396.535357]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  396.539951]  ? kasan_check_write+0x14/0x20
[  396.544190]  ? do_raw_spin_lock+0xc1/0x200
[  396.548439]  do_exit+0xe6f/0x2610
[  396.551901]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  396.556926]  ? mm_update_next_owner+0x990/0x990
[  396.561595]  ? print_usage_bug+0xc0/0xc0
[  396.565653]  ? graph_lock+0x170/0x170
[  396.569483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.575034]  ? check_preemption_disabled+0x48/0x200
[  396.580051]  ? check_preemption_disabled+0x48/0x200
[  396.585067]  ? print_usage_bug+0xc0/0xc0
[  396.589135]  ? __lock_acquire+0x7ec/0x4ec0
[  396.593396]  ? __lock_acquire+0x7ec/0x4ec0
[  396.597664]  ? mark_held_locks+0x130/0x130
[  396.601911]  ? mark_held_locks+0x130/0x130
[  396.606171]  ? kasan_check_write+0x14/0x20
[  396.610445]  ? finish_task_switch+0x2f5/0x900
[  396.614941]  ? __switch_to_asm+0x40/0x70
[  396.619005]  ? __switch_to_asm+0x34/0x70
[  396.623064]  ? __switch_to_asm+0x34/0x70
[  396.627123]  ? __switch_to_asm+0x40/0x70
[  396.631181]  ? __switch_to_asm+0x34/0x70
[  396.635253]  ? __switch_to_asm+0x40/0x70
[  396.639314]  ? __switch_to_asm+0x34/0x70
[  396.643384]  ? __switch_to_asm+0x34/0x70
[  396.647462]  ? __switch_to_asm+0x34/0x70
[  396.651524]  ? __switch_to_asm+0x34/0x70
[  396.655585]  ? __switch_to_asm+0x40/0x70
[  396.659649]  ? __switch_to_asm+0x34/0x70
[  396.663716]  ? __switch_to_asm+0x40/0x70
[  396.667796]  ? graph_lock+0x170/0x170
[  396.671608]  ? graph_lock+0x170/0x170
[  396.675416]  ? graph_lock+0x170/0x170
[  396.679242]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  396.684791]  ? wait_consider_task+0x245/0x3bb0
[  396.689397]  ? memset+0x31/0x40
[  396.692690]  ? find_held_lock+0x36/0x1c0
[  396.696779]  ? get_signal+0x95b/0x1980
[  396.700670]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.705165]  ? _raw_spin_unlock_irq+0x27/0x80
[  396.709669]  do_group_exit+0x177/0x440
[  396.713576]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  396.719041]  ? __ia32_sys_exit+0x50/0x50
[  396.723129]  get_signal+0x8b0/0x1980
[  396.726887]  ? ptrace_notify+0x130/0x130
[  396.730950]  ? do_wait+0x57d/0xb90
[  396.734499]  ? wait_consider_task+0x3bb0/0x3bb0
[  396.739167]  ? graph_lock+0x170/0x170
[  396.742974]  ? graph_lock+0x170/0x170
[  396.746785]  ? graph_lock+0x170/0x170
[  396.750601]  do_signal+0x9c/0x21e0
[  396.754140]  ? find_held_lock+0x36/0x1c0
[  396.758212]  ? setup_sigcontext+0x7d0/0x7d0
[  396.762544]  ? kernel_wait4+0x2e0/0x3f0
[  396.766530]  ? __ia32_sys_waitid+0x140/0x140
[  396.770948]  ? task_stopped_code+0x190/0x190
[  396.775366]  ? exit_to_usermode_loop+0x8c/0x380
[  396.780053]  ? __do_page_fault+0x4a6/0xed0
[  396.784284]  ? do_syscall_64+0x9a/0x820
[  396.788255]  ? do_syscall_64+0x9a/0x820
[  396.792233]  exit_to_usermode_loop+0x2e5/0x380
[  396.796832]  ? syscall_slow_exit_work+0x520/0x520
[  396.801690]  do_syscall_64+0x6be/0x820
[  396.805579]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  396.810949]  ? syscall_return_slowpath+0x5e0/0x5e0
[  396.815887]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.820753]  ? trace_hardirqs_on_caller+0x310/0x310
[  396.825791]  ? prepare_exit_to_usermode+0x291/0x3b0
[  396.830824]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  396.835678]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  396.840869] RIP: 0033:0x41124a
[  396.844072] Code: Bad RIP value.
[  396.847437] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  396.855159] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  396.862428] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  396.869695] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  396.876964] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  396.884416] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  396.891951] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  396.891957] warn_alloc_show_mem: 1 callbacks suppressed
[  396.891964] Mem-Info:
[  396.899242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  396.904613] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  396.904613]  active_file:8 inactive_file:19 isolated_file:0
[  396.904613]  unevictable:0 dirty:0 writeback:0 unstable:0
[  396.904613]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  396.904613]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  396.904613]  free:13709 free_pcp:257 free_cma:0
[  396.906985] Call Trace:
[  396.916385] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  396.949315]  <IRQ>
[  396.951890] Node 0 
[  396.979561]  dump_stack+0x1c4/0x2b4
[  396.981718] 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
[  396.983926]  ? dump_stack_print_info.cold.2+0x52/0x52
[  396.987535] lowmem_reserve[]:
[  397.013048]  warn_alloc.cold.119+0xb7/0x1bd
[  397.018204]  0
[  397.021310]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  397.025612]  2819
[  397.027414]  ? lock_downgrade+0x900/0x900
[  397.032230]  6323
[  397.034296]  ? trace_hardirqs_off+0xb8/0x310
[  397.038418]  6323
[  397.040480]  ? trace_hardirqs_off+0xb8/0x310
[  397.044865] Node 0 
[  397.046932]  __alloc_pages_slowpath+0x2667/0x2d80
[  397.051339] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  397.053573]  ? warn_alloc+0x120/0x120
[  397.058370] lowmem_reserve[]:
[  397.085092]  ? trace_hardirqs_on+0x310/0x310
[  397.088890]  0
[  397.091994]  ? warn_alloc+0x120/0x120
[  397.096375]  0 3503
[  397.098188]  ? print_usage_bug+0xc0/0xc0
[  397.101961]  3503
[  397.104207]  ? warn_alloc+0x120/0x120
[  397.108259] Node 0 
[  397.110322]  ? ktime_get+0x2e1/0x440
[  397.114139] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  397.116346]  ? print_usage_bug+0xc0/0xc0
[  397.120035] lowmem_reserve[]: 0
[  397.148409]  ? __lock_acquire+0x7ec/0x4ec0
[  397.152454]  0
[  397.155730]  ? __lock_acquire+0x7ec/0x4ec0
[  397.159940]  0
[  397.161746]  ? kasan_check_read+0x11/0x20
[  397.165948]  0
[  397.167773]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  397.171896] Node 0 
[  397.173709]  ? should_fail+0x22d/0xd01
[  397.179215] DMA: 1*4kB 
[  397.181458]  ? rcu_bh_qs+0xc0/0xc0
[  397.181474]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.185349] (U) 
[  397.187925]  ? __lock_acquire+0x7ec/0x4ec0
[  397.191446] 0*8kB 
[  397.196545]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  397.198503] 0*16kB 
[  397.202742]  ? __lock_acquire+0x7ec/0x4ec0
[  397.204889] 1*32kB 
[  397.209988]  ? should_fail+0x22d/0xd01
[  397.212198] (U) 2*64kB 
[  397.216437]  ? rcu_idle_enter+0x4b0/0x4b0
[  397.218659] (U) 
[  397.222571]  ? mark_held_locks+0x130/0x130
[  397.225129] 1*128kB 
[  397.229271]  ? mark_held_locks+0x130/0x130
[  397.231226] (U) 
[  397.235458]  ? mark_held_locks+0xc7/0x130
[  397.237760] 1*256kB 
[  397.241991]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  397.243958] (U) 
[  397.248125]  ? graph_lock+0x170/0x170
[  397.250430] 0*512kB 
[  397.255440]  ? print_usage_bug+0xc0/0xc0
[  397.257399] 1*1024kB 
[  397.261198]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.263496] (U) 
[  397.267585]  ? check_preemption_disabled+0x48/0x200
[  397.269977] 1*2048kB 
[  397.275508]  ? check_preemption_disabled+0x48/0x200
[  397.277471] (M) 
[  397.282486]  ? __lock_is_held+0xb5/0x140
[  397.284869] 3*4096kB 
[  397.289881]  __alloc_pages_nodemask+0xa80/0xde0
[  397.291835] (M) 
[  397.295905]  ? graph_lock+0x170/0x170
[  397.298296] = 15908kB
[  397.302961]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  397.304914] Node 0 
[  397.308710]  ? graph_lock+0x170/0x170
[  397.311096] DMA32: 4*4kB 
[  397.316137]  ? find_held_lock+0x36/0x1c0
[  397.318348] (UM) 
[  397.322145]  ? ____cache_alloc_node+0x1c7/0x1e0
[  397.324906] 2*8kB 
[  397.328960]  ? lock_downgrade+0x900/0x900
[  397.331000] (UM) 
[  397.335667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.337791] 2*16kB 
[  397.341938]  cache_grow_begin+0x91/0x8c0
[  397.343980] (M) 
[  397.349540]  ? do_raw_spin_unlock+0xa7/0x2f0
[  397.351748] 3*32kB (UM) 
[  397.355814]  fallback_alloc+0x203/0x2e0
[  397.357758] 5*64kB (UM) 
[  397.362191]  ____cache_alloc_node+0x1c7/0x1e0
[  397.364841] 4*128kB 
[  397.368813]  kmem_cache_alloc_node+0xe3/0x730
[  397.371457] (UM) 
[  397.375947]  ? ipv6_get_ifaddr+0x42e/0x620
[  397.378251] 4*256kB 
[  397.382749]  __alloc_skb+0x119/0x770
[  397.384789] (UM) 
[  397.389020]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  397.391323] 3*512kB 
[  397.395034]  ? skb_scrub_packet+0x490/0x490
[  397.397076] (M) 
[  397.402386]  ? lock_downgrade+0x900/0x900
[  397.404688] 3*1024kB 
[  397.409007]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.410956] (UM) 
[  397.415101]  ? refcount_sub_and_test_checked+0x203/0x310
[  397.417490] 3*2048kB 
[  397.423020]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  397.425054] (M) 3*4096kB 
[  397.430511]  ? addrconf_rs_timer+0x690/0x690
[  397.432912] (M) 
[  397.438369]  ndisc_alloc_skb+0x144/0x340
[  397.441109] = 25056kB
[  397.445512]  ndisc_send_rs+0x331/0x6e0
[  397.447472] Node 0 
[  397.451539]  addrconf_rs_timer+0x314/0x690
[  397.453958] Normal: 
[  397.457838]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.460051] 798*4kB 
[  397.464291]  call_timer_fn+0x272/0x920
[  397.466586] (ME) 
[  397.470816]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.473122] 471*8kB 
[  397.477003]  ? process_timeout+0x40/0x40
[  397.479042] (UME) 
[  397.483270]  ? find_held_lock+0x36/0x1c0
[  397.485577] 208*16kB 
[  397.489639]  ? __run_timers+0x7da/0xc70
[  397.491762] (UME) 
[  397.495825]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.498209] 76*32kB 
[  397.502178]  ? _raw_spin_unlock_irq+0x27/0x80
[  397.504301] (UME) 4*64kB 
[  397.508803]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.511108] (M) 
[  397.515600]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  397.518338] 1*128kB 
[  397.522572]  ? trace_hardirqs_on+0xbd/0x310
[  397.524529] (U) 
[  397.529106]  ? kasan_check_read+0x11/0x20
[  397.531405] 1*256kB 
[  397.535722]  ? __run_timers+0x7da/0xc70
[  397.537677] (U) 
[  397.541824]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  397.544126] 1*512kB 
[  397.548094]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.550050] (U) 
[  397.555500]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  397.557803] 0*1024kB 
[  397.562046]  __run_timers+0x7e5/0xc70
[  397.563998] 0*2048kB 
[  397.568235]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  397.570619] 0*4096kB 
[  397.574419]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  397.576821] = 13872kB
[  397.582202]  ? graph_lock+0x170/0x170
[  397.584596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  397.589603]  ? enqueue_hrtimer+0x1a5/0x560
[  397.592003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  397.595795]  ? lock_release+0x970/0x970
[  397.604622] 1299 total pagecache pages
[  397.608850]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  397.617410] 0 pages in swap cache
[  397.621385]  ? find_held_lock+0x36/0x1c0
[  397.625253] Swap cache stats: add 0, delete 0, find 0/0
[  397.625263] Free swap  = 0kB
[  397.630451]  ? graph_lock+0x170/0x170
[  397.633886] Total swap = 0kB
[  397.637944]  ? pvclock_read_flags+0x160/0x160
[  397.643282] 1965979 pages RAM
[  397.646310]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.650080] 0 pages HighMem/MovableOnly
[  397.650089] 342306 pages reserved
[  397.653134]  ? check_preemption_disabled+0x48/0x200
[  397.657603] 0 pages cma reserved
[  397.657696] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  397.660722]  ? __lock_is_held+0xb5/0x140
[  397.660738]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.660756]  ? check_preemption_disabled+0x48/0x200
[  397.666335] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  397.670241]  run_timer_softirq+0x52/0xb0
[  397.673669] syz-executor1 cpuset=
[  397.678686]  ? rcu_read_lock_sched_held+0x108/0x120
[  397.682029] /
[  397.688516]  __do_softirq+0x30b/0xad8
[  397.692554]  mems_allowed=0
[  397.698087]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  397.739536]  ? pvclock_read_flags+0x160/0x160
[  397.744033]  ? lapic_next_event+0x5a/0x90
[  397.748180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.753723]  ? check_preemption_disabled+0x48/0x200
[  397.758737]  ? check_preemption_disabled+0x48/0x200
[  397.763759]  ? kvm_clock_read+0x18/0x30
[  397.767734]  ? kvm_sched_clock_read+0x9/0x20
[  397.772145]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.777682]  ? check_preemption_disabled+0x48/0x200
[  397.782713]  irq_exit+0x17f/0x1c0
[  397.786169]  smp_apic_timer_interrupt+0x1cb/0x760
[  397.791010]  ? smp_reschedule_interrupt+0x109/0x650
[  397.796029]  ? smp_call_function_single_interrupt+0x650/0x650
[  397.801913]  ? interrupt_entry+0xb5/0xf0
[  397.805981]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.810998]  ? trace_hardirqs_off_caller+0xbb/0x310
[  397.816023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.820869]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.825887]  ? trace_hardirqs_on_caller+0x310/0x310
[  397.830934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.836482]  ? check_preemption_disabled+0x48/0x200
[  397.841505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  397.847057]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  397.851911]  apic_timer_interrupt+0xf/0x20
[  397.856154]  </IRQ>
[  397.858429] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  397.863364] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  397.882313] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  397.890048] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  397.897321] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  397.904593] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  397.911948] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  397.919221] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  397.926563]  skb_clone+0x1bb/0x500
[  397.930110]  ? finish_task_switch+0x1b5/0x900
[  397.934611]  ? skb_split+0x11e0/0x11e0
[  397.938505]  ? preempt_notifier_register+0x200/0x200
[  397.943608]  ? __switch_to_asm+0x34/0x70
[  397.947674]  ? __switch_to_asm+0x34/0x70
[  397.951736]  ? __switch_to_asm+0x40/0x70
[  397.955802]  ? __switch_to_asm+0x34/0x70
[  397.959871]  ? __switch_to_asm+0x40/0x70
[  397.963928]  ? __switch_to_asm+0x34/0x70
[  397.967987]  ? __switch_to_asm+0x40/0x70
[  397.972050]  ? __switch_to_asm+0x34/0x70
[  397.976118]  ? __switch_to_asm+0x34/0x70
[  397.980181]  ? __switch_to_asm+0x40/0x70
[  397.984245]  ? __switch_to_asm+0x34/0x70
[  397.988316]  bpf_clone_redirect+0xb9/0x490
[  397.992567]  ? __schedule+0x874/0x1ed0
[  397.996460]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  398.001492]  ? __sched_text_start+0x8/0x8
[  398.005646]  ? lockdep_hardirqs_on+0x421/0x5c0
[  398.010229]  ? retint_kernel+0x2d/0x2d
[  398.014121]  ? trace_hardirqs_on_caller+0xc0/0x310
[  398.019057]  ? find_held_lock+0x36/0x1c0
[  398.023128]  ? lock_acquire+0x1ed/0x520
[  398.027118]  ? bpf_test_run+0x3cb/0x780
[  398.031105]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.036648]  ? check_preemption_disabled+0x48/0x200
[  398.041674]  ? kasan_check_read+0x11/0x20
[  398.045827]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  398.051105]  ? rcu_bh_qs+0xc0/0xc0
[  398.054661]  ? preempt_schedule+0x4d/0x60
[  398.058831]  ? ___preempt_schedule+0x16/0x18
[  398.063245]  ? bpf_test_run+0x25d/0x780
[  398.067232]  ? netlink_diag_dump+0x2a0/0x2a0
[  398.071645]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.077670]  ? bpf_test_init.isra.9+0x70/0x100
[  398.082262]  ? bpf_prog_test_run_skb+0x634/0xb40
[  398.087028]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  398.091866]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.097425]  ? fput+0x130/0x1a0
[  398.100705]  ? __bpf_prog_get+0x9b/0x290
[  398.104767]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  398.109608]  ? bpf_prog_test_run+0x130/0x1a0
[  398.114023]  ? __x64_sys_bpf+0x3d8/0x510
[  398.118087]  ? bpf_prog_get+0x20/0x20
[  398.121936]  ? do_syscall_64+0x1b9/0x820
[  398.126002]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  398.131383]  ? syscall_return_slowpath+0x5e0/0x5e0
[  398.136319]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.141360]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  398.147196]  ? recalc_sigpending_tsk+0x180/0x180
[  398.151955]  ? kasan_check_write+0x14/0x20
[  398.156213]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.161069]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  398.166450] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  398.166568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  398.173764] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  398.173770] Call Trace:
[  398.173778]  <IRQ>
[  398.173795]  dump_stack+0x1c4/0x2b4
[  398.173817]  ? dump_stack_print_info.cold.2+0x52/0x52
[  398.180397] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  398.190113]  warn_alloc.cold.119+0xb7/0x1bd
[  398.192675] syz-executor4 cpuset=
[  398.194843]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  398.198456] syz4
[  398.203653]  ? lock_downgrade+0x900/0x900
[  398.214121]  mems_allowed=0
[  398.218442]  ? trace_hardirqs_off+0xb8/0x310
[  398.240144]  ? trace_hardirqs_off+0xb8/0x310
[  398.244565]  __alloc_pages_slowpath+0x2667/0x2d80
[  398.249450]  ? warn_alloc+0x120/0x120
[  398.253260]  ? warn_alloc+0x120/0x120
[  398.257071]  ? print_usage_bug+0xc0/0xc0
[  398.261137]  ? warn_alloc+0x120/0x120
[  398.264943]  ? print_usage_bug+0xc0/0xc0
[  398.269012]  ? __lock_acquire+0x7ec/0x4ec0
[  398.273246]  ? __lock_acquire+0x7ec/0x4ec0
[  398.277505]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.283068]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.288621]  ? should_fail+0x22d/0xd01
[  398.292529]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.297637]  ? __lock_acquire+0x7ec/0x4ec0
[  398.301885]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  398.306991]  ? __lock_acquire+0x7ec/0x4ec0
[  398.311230]  ? should_fail+0x22d/0xd01
[  398.315133]  ? mark_held_locks+0x130/0x130
[  398.319429]  ? mark_held_locks+0x130/0x130
[  398.323692]  ? graph_lock+0x170/0x170
[  398.327500]  ? print_usage_bug+0xc0/0xc0
[  398.331566]  ? graph_lock+0x170/0x170
[  398.335372]  ? print_usage_bug+0xc0/0xc0
[  398.339441]  ? wq_watchdog_touch+0x9c/0xfe
[  398.343683]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.349228]  ? check_preemption_disabled+0x48/0x200
[  398.354245]  ? check_preemption_disabled+0x48/0x200
[  398.359275]  ? __lock_is_held+0xb5/0x140
[  398.363357]  __alloc_pages_nodemask+0xa80/0xde0
[  398.368031]  ? graph_lock+0x170/0x170
[  398.371838]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  398.376859]  ? graph_lock+0x170/0x170
[  398.380680]  ? find_held_lock+0x36/0x1c0
[  398.384755]  ? ____cache_alloc_node+0x1c7/0x1e0
[  398.389432]  ? lock_downgrade+0x900/0x900
[  398.393592]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.399136]  cache_grow_begin+0x91/0x8c0
[  398.403201]  ? do_raw_spin_unlock+0xa7/0x2f0
[  398.407627]  fallback_alloc+0x203/0x2e0
[  398.411627]  ____cache_alloc_node+0x1c7/0x1e0
[  398.416142]  kmem_cache_alloc_node+0xe3/0x730
[  398.420648]  ? ipv6_get_ifaddr+0x42e/0x620
[  398.424909]  __alloc_skb+0x119/0x770
[  398.428636]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  398.433929]  ? skb_scrub_packet+0x490/0x490
[  398.438253]  ? lock_downgrade+0x900/0x900
[  398.442418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.447961]  ? refcount_sub_and_test_checked+0x203/0x310
[  398.453422]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  398.458900]  ? addrconf_rs_timer+0x690/0x690
[  398.463322]  ndisc_alloc_skb+0x144/0x340
[  398.467398]  ndisc_send_rs+0x331/0x6e0
[  398.471294]  addrconf_rs_timer+0x314/0x690
[  398.475540]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.479790]  call_timer_fn+0x272/0x920
[  398.483683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.487927]  ? process_timeout+0x40/0x40
[  398.491993]  ? find_held_lock+0x36/0x1c0
[  398.496072]  ? mark_held_locks+0xc7/0x130
[  398.500234]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.504732]  ? _raw_spin_unlock_irq+0x27/0x80
[  398.509241]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.513486]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  398.518076]  ? trace_hardirqs_on+0xbd/0x310
[  398.522404]  ? kasan_check_read+0x11/0x20
[  398.526559]  ? __run_timers+0x7da/0xc70
[  398.530555]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  398.536037]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.540275]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  398.544536]  __run_timers+0x7e5/0xc70
[  398.548366]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  398.553737]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.558755]  ? graph_lock+0x170/0x170
[  398.562590]  ? print_usage_bug+0xc0/0xc0
[  398.566647]  ? lock_release+0x970/0x970
[  398.570623]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  398.575910]  ? find_held_lock+0x36/0x1c0
[  398.579977]  ? graph_lock+0x170/0x170
[  398.583788]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.589333]  ? check_preemption_disabled+0x48/0x200
[  398.594380]  ? __lock_is_held+0xb5/0x140
[  398.598446]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.603990]  ? check_preemption_disabled+0x48/0x200
[  398.609021]  run_timer_softirq+0x52/0xb0
[  398.613088]  ? rcu_read_lock_sched_held+0x108/0x120
[  398.618110]  __do_softirq+0x30b/0xad8
[  398.621930]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  398.627045]  ? pvclock_read_flags+0x160/0x160
[  398.631546]  ? lapic_next_event+0x5a/0x90
[  398.635697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.641239]  ? check_preemption_disabled+0x48/0x200
[  398.646264]  ? check_preemption_disabled+0x48/0x200
[  398.651289]  ? kvm_clock_read+0x18/0x30
[  398.655265]  ? kvm_sched_clock_read+0x9/0x20
[  398.659682]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.665230]  ? check_preemption_disabled+0x48/0x200
[  398.670265]  irq_exit+0x17f/0x1c0
[  398.673730]  smp_apic_timer_interrupt+0x1cb/0x760
[  398.678580]  ? smp_call_function_single_interrupt+0x650/0x650
[  398.684480]  ? interrupt_entry+0xb5/0xf0
[  398.688548]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.693564]  ? trace_hardirqs_off_caller+0xbb/0x310
[  398.698600]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.703445]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.708470]  ? trace_hardirqs_on_caller+0x310/0x310
[  398.713497]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.719039]  ? check_preemption_disabled+0x48/0x200
[  398.724060]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.729622]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  398.734479]  apic_timer_interrupt+0xf/0x20
[  398.738707]  </IRQ>
[  398.740949] RIP: 0010:lock_acquire+0x268/0x520
[  398.745534] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  398.764459] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  398.772181] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  398.779449] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  398.786721] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  398.793994] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  398.801264] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  398.808574]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  398.814121]  ? lock_release+0x970/0x970
[  398.818097]  ? activate_page+0x1040/0x1040
[  398.822341]  ? __unlock_page_memcg+0x53/0x100
[  398.826856]  ? check_preemption_disabled+0x48/0x200
[  398.831897]  lock_page_memcg+0x95/0x350
[  398.835883]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  398.841081]  ? rcu_bh_qs+0xc0/0xc0
[  398.844633]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  398.849846]  page_remove_rmap+0x855/0x1a30
[  398.854095]  ? page_add_file_rmap+0x1470/0x1470
[  398.858767]  ? __lock_is_held+0xb5/0x140
[  398.862856]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.868402]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.873944]  ? lru_add_drain_cpu+0x1c0/0x500
[  398.878414]  ? free_pages_and_swap_cache+0x475/0x6f0
[  398.883542]  ? free_page_and_swap_cache+0x950/0x950
[  398.888568]  ? kasan_check_read+0x11/0x20
[  398.892717]  ? page_mapcount+0x3b5/0x5d0
[  398.896781]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  398.901645]  ? lock_downgrade+0x900/0x900
[  398.905798]  ? lock_release+0x970/0x970
[  398.909790]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  398.914809]  ? _vm_normal_page+0x161/0x3c0
[  398.919051]  ? __pte_alloc_kernel+0x220/0x220
[  398.923554]  ? kasan_check_write+0x14/0x20
[  398.927794]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  398.932811]  ? __tlb_remove_page_size+0x187/0x500
[  398.937667]  unmap_page_range+0xf14/0x2030
[  398.941936]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  398.946437]  ? search_extable+0x80/0xb0
[  398.950414]  ? trim_init_extable+0x3a0/0x3a0
[  398.954824]  ? __get_user_8+0x21/0x2b
[  398.958629]  ? print_usage_bug+0xc0/0xc0
[  398.962700]  ? __lock_acquire+0x7ec/0x4ec0
[  398.966947]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  398.972486]  ? no_context+0xd9/0x980
[  398.976197]  ? lock_downgrade+0x900/0x900
[  398.980350]  ? graph_lock+0x170/0x170
[  398.984171]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  398.989722]  ? tlb_flush_mmu_free+0x135/0x1b0
[  398.994224]  ? find_held_lock+0x36/0x1c0
[  398.998295]  ? exit_mmap+0x4bb/0x590
[  399.002012]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.007552]  ? uprobe_munmap+0x14c/0x450
[  399.011618]  ? uprobe_mmap+0xd50/0xd50
[  399.015506]  ? lock_release+0x970/0x970
[  399.019481]  ? arch_local_save_flags+0x40/0x40
[  399.024074]  ? rwsem_down_write_failed+0xe/0x10
[  399.028740]  ? rwsem_down_write_failed+0xe/0x10
[  399.033418]  ? call_rwsem_down_write_failed+0x17/0x30
[  399.038613]  unmap_single_vma+0x19b/0x310
[  399.042783]  unmap_vmas+0x125/0x200
[  399.046420]  exit_mmap+0x2be/0x590
[  399.050019]  ? __ia32_sys_munmap+0x80/0x80
[  399.054289]  ? __might_sleep+0x95/0x190
[  399.058285]  mmput+0x247/0x610
[  399.061477]  ? lock_downgrade+0x900/0x900
[  399.065621]  ? set_mm_exe_file+0x200/0x200
[  399.069886]  ? kasan_check_read+0x11/0x20
[  399.074062]  ? do_raw_spin_unlock+0xa7/0x2f0
[  399.078475]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  399.083062]  ? kasan_check_write+0x14/0x20
[  399.087300]  ? do_raw_spin_lock+0xc1/0x200
[  399.091542]  do_exit+0xe6f/0x2610
[  399.094998]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  399.100028]  ? mm_update_next_owner+0x990/0x990
[  399.104701]  ? print_usage_bug+0xc0/0xc0
[  399.108763]  ? graph_lock+0x170/0x170
[  399.112571]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.118113]  ? check_preemption_disabled+0x48/0x200
[  399.123132]  ? check_preemption_disabled+0x48/0x200
[  399.128159]  ? print_usage_bug+0xc0/0xc0
[  399.132225]  ? __lock_acquire+0x7ec/0x4ec0
[  399.136466]  ? __lock_acquire+0x7ec/0x4ec0
[  399.140728]  ? mark_held_locks+0x130/0x130
[  399.144998]  ? mark_held_locks+0x130/0x130
[  399.149246]  ? kasan_check_write+0x14/0x20
[  399.153482]  ? finish_task_switch+0x2f5/0x900
[  399.157976]  ? __switch_to_asm+0x40/0x70
[  399.162041]  ? __switch_to_asm+0x34/0x70
[  399.166103]  ? __switch_to_asm+0x34/0x70
[  399.170163]  ? __switch_to_asm+0x40/0x70
[  399.174225]  ? __switch_to_asm+0x34/0x70
[  399.178285]  ? __switch_to_asm+0x40/0x70
[  399.182343]  ? __switch_to_asm+0x34/0x70
[  399.186407]  ? __switch_to_asm+0x34/0x70
[  399.190471]  ? __switch_to_asm+0x34/0x70
[  399.194534]  ? __switch_to_asm+0x34/0x70
[  399.198598]  ? __switch_to_asm+0x40/0x70
[  399.202663]  ? __switch_to_asm+0x34/0x70
[  399.206723]  ? __switch_to_asm+0x40/0x70
[  399.210792]  ? graph_lock+0x170/0x170
[  399.214591]  ? graph_lock+0x170/0x170
[  399.218401]  ? graph_lock+0x170/0x170
[  399.222204]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.227742]  ? wait_consider_task+0x245/0x3bb0
[  399.232332]  ? memset+0x31/0x40
[  399.235618]  ? find_held_lock+0x36/0x1c0
[  399.239693]  ? get_signal+0x95b/0x1980
[  399.243590]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.248084]  ? _raw_spin_unlock_irq+0x27/0x80
[  399.252601]  do_group_exit+0x177/0x440
[  399.256500]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  399.261955]  ? __ia32_sys_exit+0x50/0x50
[  399.266033]  get_signal+0x8b0/0x1980
[  399.269763]  ? ptrace_notify+0x130/0x130
[  399.273821]  ? do_wait+0x57d/0xb90
[  399.277369]  ? wait_consider_task+0x3bb0/0x3bb0
[  399.282037]  ? graph_lock+0x170/0x170
[  399.285880]  ? graph_lock+0x170/0x170
[  399.289696]  ? graph_lock+0x170/0x170
[  399.293517]  do_signal+0x9c/0x21e0
[  399.297058]  ? find_held_lock+0x36/0x1c0
[  399.301130]  ? setup_sigcontext+0x7d0/0x7d0
[  399.305453]  ? kernel_wait4+0x2e0/0x3f0
[  399.309431]  ? __ia32_sys_waitid+0x140/0x140
[  399.313847]  ? task_stopped_code+0x190/0x190
[  399.318269]  ? exit_to_usermode_loop+0x8c/0x380
[  399.322957]  ? __do_page_fault+0x4a6/0xed0
[  399.327195]  ? do_syscall_64+0x9a/0x820
[  399.331185]  ? do_syscall_64+0x9a/0x820
[  399.335162]  exit_to_usermode_loop+0x2e5/0x380
[  399.339751]  ? syscall_slow_exit_work+0x520/0x520
[  399.344612]  do_syscall_64+0x6be/0x820
[  399.348503]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  399.353865]  ? syscall_return_slowpath+0x5e0/0x5e0
[  399.358793]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.363637]  ? trace_hardirqs_on_caller+0x310/0x310
[  399.368671]  ? prepare_exit_to_usermode+0x291/0x3b0
[  399.373696]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  399.378559]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  399.383746] RIP: 0033:0x41124a
[  399.386944] Code: Bad RIP value.
[  399.390305] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  399.398013] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  399.405286] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  399.412550] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  399.419816] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  399.427086] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  399.434386] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  399.434392] warn_alloc_show_mem: 1 callbacks suppressed
[  399.434400] Mem-Info:
[  399.441681] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  399.447051] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  399.447051]  active_file:8 inactive_file:19 isolated_file:0
[  399.447051]  unevictable:0 dirty:0 writeback:0 unstable:0
[  399.447051]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  399.447051]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  399.447051]  free:13709 free_pcp:257 free_cma:0
[  399.449425] Call Trace:
[  399.458814] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  399.491749]  <IRQ>
[  399.494334] Node 0 
[  399.522029]  dump_stack+0x1c4/0x2b4
[  399.524175] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  399.526392]  ? dump_stack_print_info.cold.2+0x52/0x52
[  399.529986] lowmem_reserve[]: 0
[  399.555503]  warn_alloc.cold.119+0xb7/0x1bd
[  399.560660]  2819 6323
[  399.563950]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  399.568246]  6323
[  399.570762]  ? lock_downgrade+0x900/0x900
[  399.575583] Node 0 
[  399.577651]  ? trace_hardirqs_off+0xb8/0x310
[  399.581796] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  399.584008]  ? trace_hardirqs_off+0xb8/0x310
[  399.588398] lowmem_reserve[]:
[  399.615118]  __alloc_pages_slowpath+0x2667/0x2d80
[  399.619500]  0
[  399.622642]  ? warn_alloc+0x120/0x120
[  399.627437]  0
[  399.629237]  ? trace_hardirqs_on+0x310/0x310
[  399.633017]  3503
[  399.634816]  ? warn_alloc+0x120/0x120
[  399.639205]  3503
[  399.641268]  ? print_usage_bug+0xc0/0xc0
[  399.647108]  ? warn_alloc+0x120/0x120
[  399.651157] Node 0 
[  399.654962]  ? ktime_get+0x2e1/0x440
[  399.654998] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  399.657204]  ? print_usage_bug+0xc0/0xc0
[  399.660897] lowmem_reserve[]: 0
[  399.689278]  ? __lock_acquire+0x7ec/0x4ec0
[  399.693316]  0
[  399.696589]  ? __lock_acquire+0x7ec/0x4ec0
[  399.700816]  0
[  399.702618]  ? kasan_check_read+0x11/0x20
[  399.706826]  0
[  399.708642]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  399.712772] Node 0 
[  399.714577]  ? should_fail+0x22d/0xd01
[  399.720090] DMA: 
[  399.722327]  ? rcu_bh_qs+0xc0/0xc0
[  399.726192] 1*4kB 
[  399.728250]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.731769] (U) 
[  399.733918]  ? __lock_acquire+0x7ec/0x4ec0
[  399.738998] 0*8kB 
[  399.740976]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  399.745190] 0*16kB 
[  399.747334]  ? __lock_acquire+0x7ec/0x4ec0
[  399.752419] 1*32kB 
[  399.754653]  ? should_fail+0x22d/0xd01
[  399.758868] (U) 
[  399.761117]  ? rcu_idle_enter+0x4b0/0x4b0
[  399.764980] 2*64kB 
[  399.766955]  ? mark_held_locks+0x130/0x130
[  399.771084] (U) 
[  399.773322]  ? mark_held_locks+0x130/0x130
[  399.777539] 1*128kB 
[  399.779513]  ? mark_held_locks+0xc7/0x130
[  399.783721] (U) 
[  399.786047]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  399.790175] 1*256kB 
[  399.792151]  ? graph_lock+0x170/0x170
[  399.797154] (U) 
[  399.799475]  ? print_usage_bug+0xc0/0xc0
[  399.803267] 0*512kB 
[  399.805251]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.809289] 1*1024kB 
[  399.811614]  ? check_preemption_disabled+0x48/0x200
[  399.817135] (U) 
[  399.819557]  ? check_preemption_disabled+0x48/0x200
[  399.824551] 1*2048kB 
[  399.826532]  ? __lock_is_held+0xb5/0x140
[  399.831521] (M) 
[  399.833937]  __alloc_pages_nodemask+0xa80/0xde0
[  399.837973] 3*4096kB 
[  399.839960]  ? graph_lock+0x170/0x170
[  399.844611] (M) 
[  399.847024]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  399.850800] = 15908kB
[  399.852772]  ? graph_lock+0x170/0x170
[  399.857769] Node 0 
[  399.860186]  ? find_held_lock+0x36/0x1c0
[  399.863970] DMA32: 
[  399.866207]  ? ____cache_alloc_node+0x1c7/0x1e0
[  399.870262] 4*4kB 
[  399.872507]  ? lock_downgrade+0x900/0x900
[  399.877152] (UM) 
[  399.879304]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.883419] 2*8kB (UM) 
[  399.885510]  cache_grow_begin+0x91/0x8c0
[  399.891035] 2*16kB 
[  399.893627]  ? do_raw_spin_unlock+0xa7/0x2f0
[  399.897671] (M) 
[  399.899956]  fallback_alloc+0x203/0x2e0
[  399.904334] 3*32kB (UM) 
[  399.906342]  ____cache_alloc_node+0x1c7/0x1e0
[  399.910289] 5*64kB (UM) 
[  399.912974]  kmem_cache_alloc_node+0xe3/0x730
[  399.917443] 4*128kB (UM) 
[  399.920124]  ? ipv6_get_ifaddr+0x42e/0x620
[  399.924592] 4*256kB (UM) 
[  399.927385]  __alloc_skb+0x119/0x770
[  399.931588] 3*512kB (M) 
[  399.934365]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  399.938047] 3*1024kB (UM) 
[  399.940727]  ? skb_scrub_packet+0x490/0x490
[  399.945976] 3*2048kB (M) 
[  399.948830]  ? lock_downgrade+0x900/0x900
[  399.953137] 3*4096kB (M) 
[  399.955906]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  399.960032] = 25056kB
[  399.962788]  ? refcount_sub_and_test_checked+0x203/0x310
[  399.968301] Node 0 
[  399.970714]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  399.976143] Normal: 
[  399.978388]  ? addrconf_rs_timer+0x690/0x690
[  399.983812] 798*4kB 
[  399.986148]  ndisc_alloc_skb+0x144/0x340
[  399.990528] (ME) 
[  399.992850]  ndisc_send_rs+0x331/0x6e0
[  399.996891] 471*8kB 
[  399.998951]  addrconf_rs_timer+0x314/0x690
[  400.002816] (UME) 
[  400.005139]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.009358] 208*16kB 
[  400.011519]  call_timer_fn+0x272/0x920
[  400.015732] (UME) 76*32kB 
[  400.018168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.022032] (UME) 
[  400.024875]  ? process_timeout+0x40/0x40
[  400.029091] 4*64kB 
[  400.031239]  ? find_held_lock+0x36/0x1c0
[  400.035280] (M) 
[  400.037519]  ? __run_timers+0x7da/0xc70
[  400.041558] 1*128kB 
[  400.043533]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.047480] (U) 
[  400.049801]  ? _raw_spin_unlock_irq+0x27/0x80
[  400.054274] 1*256kB 
[  400.056274]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.060747] (U) 
[  400.063073]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  400.067298] 1*512kB 
[  400.069270]  ? trace_hardirqs_on+0xbd/0x310
[  400.073827] (U) 
[  400.076646]  ? kasan_check_read+0x11/0x20
[  400.076664]  ? __run_timers+0x7da/0xc70
[  400.080973] 0*1024kB 0*2048kB 
[  400.082986]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  400.087111] 0*4096kB 
[  400.091083]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.094254] = 13872kB
[  400.094269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  400.099712]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  400.099726]  __run_timers+0x7e5/0xc70
[  400.099754]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  400.099771]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  400.099787]  ? graph_lock+0x170/0x170
[  400.102201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  400.106426]  ? enqueue_hrtimer+0x1a5/0x560
[  400.108822] 1299 total pagecache pages
[  400.117651]  ? lock_release+0x970/0x970
[  400.121880] 0 pages in swap cache
[  400.125671]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  400.131020] Swap cache stats: add 0, delete 0, find 0/0
[  400.136036]  ? find_held_lock+0x36/0x1c0
[  400.139815] Free swap  = 0kB
[  400.148396]  ? graph_lock+0x170/0x170
[  400.153054] Total swap = 0kB
[  400.156941]  ? pvclock_read_flags+0x160/0x160
[  400.160896] 1965979 pages RAM
[  400.164355]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.169646] 0 pages HighMem/MovableOnly
[  400.169655] 342306 pages reserved
[  400.175020]  ? check_preemption_disabled+0x48/0x200
[  400.179526] 0 pages cma reserved
[  400.182691]  ? __lock_is_held+0xb5/0x140
[  400.186568] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.189482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.189498]  ? check_preemption_disabled+0x48/0x200
[  400.189520]  run_timer_softirq+0x52/0xb0
[  400.194071] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.197100]  ? rcu_read_lock_sched_held+0x108/0x120
[  400.202832] syz-executor1 cpuset=
[  400.206805]  __do_softirq+0x30b/0xad8
[  400.210241] /
[  400.215261]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  400.218603]  mems_allowed=0
[  400.222664]  ? pvclock_read_flags+0x160/0x160
[  400.280604]  ? lapic_next_event+0x5a/0x90
[  400.284759]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.290305]  ? check_preemption_disabled+0x48/0x200
[  400.295339]  ? check_preemption_disabled+0x48/0x200
[  400.300369]  ? kvm_clock_read+0x18/0x30
[  400.304351]  ? kvm_sched_clock_read+0x9/0x20
[  400.308781]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.314320]  ? check_preemption_disabled+0x48/0x200
[  400.319356]  irq_exit+0x17f/0x1c0
[  400.322820]  smp_apic_timer_interrupt+0x1cb/0x760
[  400.327664]  ? smp_reschedule_interrupt+0x109/0x650
[  400.332682]  ? smp_call_function_single_interrupt+0x650/0x650
[  400.338570]  ? interrupt_entry+0xb5/0xf0
[  400.342637]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.347652]  ? trace_hardirqs_off_caller+0xbb/0x310
[  400.352672]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.357531]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.362548]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.367565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.373106]  ? check_preemption_disabled+0x48/0x200
[  400.378120]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.383668]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.388523]  apic_timer_interrupt+0xf/0x20
[  400.392752]  </IRQ>
[  400.394994] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  400.399928] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  400.418853] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  400.426565] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  400.433830] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  400.441102] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  400.448379] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  400.455647] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  400.462965]  skb_clone+0x1bb/0x500
[  400.466511]  ? finish_task_switch+0x1b5/0x900
[  400.471010]  ? skb_split+0x11e0/0x11e0
[  400.474900]  ? preempt_notifier_register+0x200/0x200
[  400.480011]  ? __switch_to_asm+0x34/0x70
[  400.484072]  ? __switch_to_asm+0x34/0x70
[  400.488134]  ? __switch_to_asm+0x40/0x70
[  400.492195]  ? __switch_to_asm+0x34/0x70
[  400.496259]  ? __switch_to_asm+0x40/0x70
[  400.500320]  ? __switch_to_asm+0x34/0x70
[  400.504393]  ? __switch_to_asm+0x40/0x70
[  400.508456]  ? __switch_to_asm+0x34/0x70
[  400.512520]  ? __switch_to_asm+0x34/0x70
[  400.516582]  ? __switch_to_asm+0x40/0x70
[  400.520645]  ? __switch_to_asm+0x34/0x70
[  400.524717]  bpf_clone_redirect+0xb9/0x490
[  400.528954]  ? __schedule+0x874/0x1ed0
[  400.532853]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  400.537873]  ? __sched_text_start+0x8/0x8
[  400.542030]  ? lockdep_hardirqs_on+0x421/0x5c0
[  400.546639]  ? retint_kernel+0x2d/0x2d
[  400.550527]  ? trace_hardirqs_on_caller+0xc0/0x310
[  400.555462]  ? find_held_lock+0x36/0x1c0
[  400.559557]  ? lock_acquire+0x1ed/0x520
[  400.563535]  ? bpf_test_run+0x3cb/0x780
[  400.567516]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.573067]  ? check_preemption_disabled+0x48/0x200
[  400.578091]  ? kasan_check_read+0x11/0x20
[  400.582280]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  400.587559]  ? rcu_bh_qs+0xc0/0xc0
[  400.591107]  ? preempt_schedule+0x4d/0x60
[  400.595260]  ? ___preempt_schedule+0x16/0x18
[  400.599679]  ? bpf_test_run+0x25d/0x780
[  400.603665]  ? netlink_diag_dump+0x2a0/0x2a0
[  400.608076]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.613629]  ? bpf_test_init.isra.9+0x70/0x100
[  400.618243]  ? bpf_prog_test_run_skb+0x634/0xb40
[  400.623006]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  400.627881]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  400.633469]  ? fput+0x130/0x1a0
[  400.636756]  ? __bpf_prog_get+0x9b/0x290
[  400.640816]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  400.645656]  ? bpf_prog_test_run+0x130/0x1a0
[  400.650081]  ? __x64_sys_bpf+0x3d8/0x510
[  400.654142]  ? bpf_prog_get+0x20/0x20
[  400.657974]  ? do_syscall_64+0x1b9/0x820
[  400.662048]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  400.667415]  ? syscall_return_slowpath+0x5e0/0x5e0
[  400.672349]  ? trace_hardirqs_on_caller+0x310/0x310
[  400.677381]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  400.682403]  ? recalc_sigpending_tsk+0x180/0x180
[  400.687162]  ? kasan_check_write+0x14/0x20
[  400.691410]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  400.696275]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  400.701671] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  400.701781] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  400.708965] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  400.708971] Call Trace:
[  400.708978]  <IRQ>
[  400.708997]  dump_stack+0x1c4/0x2b4
[  400.709014]  ? dump_stack_print_info.cold.2+0x52/0x52
[  400.715546] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  400.724846]  warn_alloc.cold.119+0xb7/0x1bd
[  400.727403] syz-executor4 cpuset=
[  400.729549]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  400.733149] syz4
[  400.738333]  ? lock_downgrade+0x900/0x900
[  400.748887]  mems_allowed=0
[  400.770492]  ? trace_hardirqs_off+0xb8/0x310
[  400.774925]  ? trace_hardirqs_off+0xb8/0x310
[  400.779364]  __alloc_pages_slowpath+0x2667/0x2d80
[  400.784246]  ? warn_alloc+0x120/0x120
[  400.788052]  ? lock_release+0x970/0x970
[  400.792029]  ? warn_alloc+0x120/0x120
[  400.795835]  ? print_usage_bug+0xc0/0xc0
[  400.799898]  ? warn_alloc+0x120/0x120
[  400.803715]  ? print_usage_bug+0xc0/0xc0
[  400.807781]  ? __lock_acquire+0x7ec/0x4ec0
[  400.812016]  ? __lock_acquire+0x7ec/0x4ec0
[  400.816256]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.821796]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  400.827334]  ? should_fail+0x22d/0xd01
[  400.831231]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.836337]  ? __lock_acquire+0x7ec/0x4ec0
[  400.840589]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  400.845692]  ? __lock_acquire+0x7ec/0x4ec0
[  400.849925]  ? should_fail+0x22d/0xd01
[  400.853825]  ? mark_held_locks+0x130/0x130
[  400.858081]  ? mark_held_locks+0x130/0x130
[  400.862334]  ? graph_lock+0x170/0x170
[  400.866147]  ? print_usage_bug+0xc0/0xc0
[  400.870215]  ? graph_lock+0x170/0x170
[  400.874014]  ? print_usage_bug+0xc0/0xc0
[  400.878095]  ? wq_watchdog_touch+0x9c/0xfe
[  400.882330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.887895]  ? check_preemption_disabled+0x48/0x200
[  400.892913]  ? check_preemption_disabled+0x48/0x200
[  400.897938]  ? __lock_is_held+0xb5/0x140
[  400.902008]  __alloc_pages_nodemask+0xa80/0xde0
[  400.906691]  ? graph_lock+0x170/0x170
[  400.910496]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  400.915511]  ? graph_lock+0x170/0x170
[  400.919329]  ? find_held_lock+0x36/0x1c0
[  400.923410]  ? ____cache_alloc_node+0x1c7/0x1e0
[  400.928082]  ? lock_downgrade+0x900/0x900
[  400.932238]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.937832]  cache_grow_begin+0x91/0x8c0
[  400.941900]  ? do_raw_spin_unlock+0xa7/0x2f0
[  400.946354]  fallback_alloc+0x203/0x2e0
[  400.950364]  ____cache_alloc_node+0x1c7/0x1e0
[  400.954864]  kmem_cache_alloc_node+0xe3/0x730
[  400.959371]  ? ipv6_get_ifaddr+0x42e/0x620
[  400.963617]  __alloc_skb+0x119/0x770
[  400.967337]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  400.972625]  ? skb_scrub_packet+0x490/0x490
[  400.976948]  ? lock_downgrade+0x900/0x900
[  400.981101]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  400.986637]  ? refcount_sub_and_test_checked+0x203/0x310
[  400.992091]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  400.997553]  ? addrconf_rs_timer+0x690/0x690
[  401.002000]  ndisc_alloc_skb+0x144/0x340
[  401.006091]  ndisc_send_rs+0x331/0x6e0
[  401.009992]  addrconf_rs_timer+0x314/0x690
[  401.014233]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.018487]  call_timer_fn+0x272/0x920
[  401.022374]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.026636]  ? process_timeout+0x40/0x40
[  401.030708]  ? find_held_lock+0x36/0x1c0
[  401.034793]  ? mark_held_locks+0xc7/0x130
[  401.038948]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.043443]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.047953]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.052187]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  401.056773]  ? trace_hardirqs_on+0xbd/0x310
[  401.061088]  ? kasan_check_read+0x11/0x20
[  401.065231]  ? __run_timers+0x7da/0xc70
[  401.069203]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.074658]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.078911]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  401.083142]  __run_timers+0x7e5/0xc70
[  401.086964]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  401.092330]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.097346]  ? graph_lock+0x170/0x170
[  401.101148]  ? print_usage_bug+0xc0/0xc0
[  401.105244]  ? lock_release+0x970/0x970
[  401.109229]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  401.114423]  ? find_held_lock+0x36/0x1c0
[  401.118490]  ? graph_lock+0x170/0x170
[  401.122293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.127836]  ? check_preemption_disabled+0x48/0x200
[  401.132867]  ? __lock_is_held+0xb5/0x140
[  401.136934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.142469]  ? check_preemption_disabled+0x48/0x200
[  401.147491]  run_timer_softirq+0x52/0xb0
[  401.151553]  ? rcu_read_lock_sched_held+0x108/0x120
[  401.156573]  __do_softirq+0x30b/0xad8
[  401.160383]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  401.165517]  ? pvclock_read_flags+0x160/0x160
[  401.170015]  ? lapic_next_event+0x5a/0x90
[  401.174164]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.179708]  ? check_preemption_disabled+0x48/0x200
[  401.184739]  ? check_preemption_disabled+0x48/0x200
[  401.189779]  ? kvm_clock_read+0x18/0x30
[  401.193757]  ? kvm_sched_clock_read+0x9/0x20
[  401.198173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.203899]  ? check_preemption_disabled+0x48/0x200
[  401.209087]  irq_exit+0x17f/0x1c0
[  401.212544]  smp_apic_timer_interrupt+0x1cb/0x760
[  401.217622]  ? smp_call_function_single_interrupt+0x650/0x650
[  401.223523]  ? interrupt_entry+0xb5/0xf0
[  401.227585]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.232598]  ? trace_hardirqs_off_caller+0xbb/0x310
[  401.237852]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.242882]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.248139]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.253153]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.258899]  ? check_preemption_disabled+0x48/0x200
[  401.263917]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.269631]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.274705]  apic_timer_interrupt+0xf/0x20
[  401.279362]  </IRQ>
[  401.281601] RIP: 0010:lock_acquire+0x268/0x520
[  401.286416] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  401.305314] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  401.313022] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  401.320283] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  401.327550] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  401.334826] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  401.342086] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  401.349375]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.354917]  ? lock_release+0x970/0x970
[  401.358896]  ? activate_page+0x1040/0x1040
[  401.363136]  ? __unlock_page_memcg+0x53/0x100
[  401.367634]  ? check_preemption_disabled+0x48/0x200
[  401.372685]  lock_page_memcg+0x95/0x350
[  401.376659]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  401.381859]  ? rcu_bh_qs+0xc0/0xc0
[  401.385445]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  401.390652]  page_remove_rmap+0x855/0x1a30
[  401.394895]  ? page_add_file_rmap+0x1470/0x1470
[  401.399566]  ? __lock_is_held+0xb5/0x140
[  401.403652]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.409193]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.414736]  ? lru_add_drain_cpu+0x1c0/0x500
[  401.419155]  ? free_pages_and_swap_cache+0x475/0x6f0
[  401.424272]  ? free_page_and_swap_cache+0x950/0x950
[  401.429296]  ? kasan_check_read+0x11/0x20
[  401.433446]  ? page_mapcount+0x3b5/0x5d0
[  401.437512]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  401.442358]  ? lock_downgrade+0x900/0x900
[  401.446512]  ? lock_release+0x970/0x970
[  401.450490]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  401.455507]  ? _vm_normal_page+0x161/0x3c0
[  401.459749]  ? __pte_alloc_kernel+0x220/0x220
[  401.464248]  ? kasan_check_write+0x14/0x20
[  401.468483]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  401.473500]  ? __tlb_remove_page_size+0x187/0x500
[  401.478348]  unmap_page_range+0xf14/0x2030
[  401.482634]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  401.487144]  ? search_extable+0x80/0xb0
[  401.491119]  ? trim_init_extable+0x3a0/0x3a0
[  401.495545]  ? __get_user_8+0x21/0x2b
[  401.499359]  ? print_usage_bug+0xc0/0xc0
[  401.503440]  ? __lock_acquire+0x7ec/0x4ec0
[  401.507676]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  401.513219]  ? no_context+0xd9/0x980
[  401.516930]  ? lock_downgrade+0x900/0x900
[  401.521090]  ? graph_lock+0x170/0x170
[  401.524920]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.530459]  ? tlb_flush_mmu_free+0x135/0x1b0
[  401.534998]  ? find_held_lock+0x36/0x1c0
[  401.539067]  ? exit_mmap+0x4bb/0x590
[  401.542782]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  401.548317]  ? uprobe_munmap+0x14c/0x450
[  401.552399]  ? uprobe_mmap+0xd50/0xd50
[  401.556284]  ? lock_release+0x970/0x970
[  401.560264]  ? arch_local_save_flags+0x40/0x40
[  401.564865]  ? rwsem_down_write_failed+0xe/0x10
[  401.569555]  ? rwsem_down_write_failed+0xe/0x10
[  401.574465]  ? call_rwsem_down_write_failed+0x17/0x30
[  401.579783]  unmap_single_vma+0x19b/0x310
[  401.583939]  unmap_vmas+0x125/0x200
[  401.587571]  exit_mmap+0x2be/0x590
[  401.591127]  ? __ia32_sys_munmap+0x80/0x80
[  401.595379]  ? __might_sleep+0x95/0x190
[  401.599356]  mmput+0x247/0x610
[  401.602550]  ? lock_downgrade+0x900/0x900
[  401.606701]  ? set_mm_exe_file+0x200/0x200
[  401.610941]  ? kasan_check_read+0x11/0x20
[  401.615091]  ? do_raw_spin_unlock+0xa7/0x2f0
[  401.619503]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  401.624106]  ? kasan_check_write+0x14/0x20
[  401.628366]  ? do_raw_spin_lock+0xc1/0x200
[  401.632718]  do_exit+0xe6f/0x2610
[  401.636173]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  401.641196]  ? mm_update_next_owner+0x990/0x990
[  401.645862]  ? print_usage_bug+0xc0/0xc0
[  401.649929]  ? graph_lock+0x170/0x170
[  401.654205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.659748]  ? check_preemption_disabled+0x48/0x200
[  401.664765]  ? check_preemption_disabled+0x48/0x200
[  401.669780]  ? print_usage_bug+0xc0/0xc0
[  401.673859]  ? __lock_acquire+0x7ec/0x4ec0
[  401.678116]  ? __lock_acquire+0x7ec/0x4ec0
[  401.682384]  ? mark_held_locks+0x130/0x130
[  401.686667]  ? mark_held_locks+0x130/0x130
[  401.690904]  ? kasan_check_write+0x14/0x20
[  401.695138]  ? finish_task_switch+0x2f5/0x900
[  401.699704]  ? __switch_to_asm+0x40/0x70
[  401.703786]  ? __switch_to_asm+0x34/0x70
[  401.707849]  ? __switch_to_asm+0x34/0x70
[  401.711916]  ? __switch_to_asm+0x40/0x70
[  401.715980]  ? __switch_to_asm+0x34/0x70
[  401.720044]  ? __switch_to_asm+0x40/0x70
[  401.724103]  ? __switch_to_asm+0x34/0x70
[  401.728168]  ? __switch_to_asm+0x34/0x70
[  401.732231]  ? __switch_to_asm+0x34/0x70
[  401.736304]  ? __switch_to_asm+0x34/0x70
[  401.740363]  ? __switch_to_asm+0x40/0x70
[  401.744440]  ? __switch_to_asm+0x34/0x70
[  401.748500]  ? __switch_to_asm+0x40/0x70
[  401.752580]  ? graph_lock+0x170/0x170
[  401.756380]  ? graph_lock+0x170/0x170
[  401.760181]  ? graph_lock+0x170/0x170
[  401.764202]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  401.769739]  ? wait_consider_task+0x245/0x3bb0
[  401.774332]  ? memset+0x31/0x40
[  401.777619]  ? find_held_lock+0x36/0x1c0
[  401.781716]  ? get_signal+0x95b/0x1980
[  401.785612]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.790107]  ? _raw_spin_unlock_irq+0x27/0x80
[  401.794607]  do_group_exit+0x177/0x440
[  401.798499]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  401.803949]  ? __ia32_sys_exit+0x50/0x50
[  401.808019]  get_signal+0x8b0/0x1980
[  401.811743]  ? ptrace_notify+0x130/0x130
[  401.815802]  ? do_wait+0x57d/0xb90
[  401.819344]  ? wait_consider_task+0x3bb0/0x3bb0
[  401.824013]  ? graph_lock+0x170/0x170
[  401.827811]  ? graph_lock+0x170/0x170
[  401.831610]  ? graph_lock+0x170/0x170
[  401.835427]  do_signal+0x9c/0x21e0
[  401.838969]  ? find_held_lock+0x36/0x1c0
[  401.843038]  ? setup_sigcontext+0x7d0/0x7d0
[  401.847358]  ? kernel_wait4+0x2e0/0x3f0
[  401.851337]  ? __ia32_sys_waitid+0x140/0x140
[  401.855766]  ? task_stopped_code+0x190/0x190
[  401.860186]  ? exit_to_usermode_loop+0x8c/0x380
[  401.864884]  ? __do_page_fault+0x4a6/0xed0
[  401.869121]  ? do_syscall_64+0x9a/0x820
[  401.873090]  ? do_syscall_64+0x9a/0x820
[  401.877091]  exit_to_usermode_loop+0x2e5/0x380
[  401.881678]  ? syscall_slow_exit_work+0x520/0x520
[  401.886535]  do_syscall_64+0x6be/0x820
[  401.890420]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  401.895796]  ? syscall_return_slowpath+0x5e0/0x5e0
[  401.900736]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.905583]  ? trace_hardirqs_on_caller+0x310/0x310
[  401.910602]  ? prepare_exit_to_usermode+0x291/0x3b0
[  401.915625]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  401.920479]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  401.925681] RIP: 0033:0x41124a
[  401.928898] Code: Bad RIP value.
[  401.932258] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  401.939971] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  401.947238] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  401.954504] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  401.961769] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  401.969031] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  401.976325] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  401.976331] warn_alloc_show_mem: 1 callbacks suppressed
[  401.976338] Mem-Info:
[  401.983623] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  401.988993] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  401.988993]  active_file:8 inactive_file:19 isolated_file:0
[  401.988993]  unevictable:0 dirty:0 writeback:0 unstable:0
[  401.988993]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  401.988993]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  401.988993]  free:13709 free_pcp:257 free_cma:0
[  401.991380] Call Trace:
[  402.000768] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  402.033699]  <IRQ>
[  402.036267] Node 0 
[  402.063933]  dump_stack+0x1c4/0x2b4
[  402.066081] 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
[  402.068290]  ? dump_stack_print_info.cold.2+0x52/0x52
[  402.071890] lowmem_reserve[]: 0
[  402.097856]  warn_alloc.cold.119+0xb7/0x1bd
[  402.103019]  2819
[  402.106293]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  402.110587]  6323 6323
[  402.112666]  ? lock_downgrade+0x900/0x900
[  402.120011]  ? trace_hardirqs_off+0xb8/0x310
[  402.124130] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  402.128561]  ? trace_hardirqs_off+0xb8/0x310
[  402.128585]  __alloc_pages_slowpath+0x2667/0x2d80
[  402.155902] lowmem_reserve[]: 0
[  402.160381]  ? warn_alloc+0x120/0x120
[  402.165164]  0
[  402.168442]  ? warn_alloc+0x120/0x120
[  402.172221]  3503
[  402.174033]  ? print_usage_bug+0xc0/0xc0
[  402.177812]  3503
[  402.179870]  ? warn_alloc+0x120/0x120
[  402.184157] Node 0 
[  402.186219]  ? print_usage_bug+0xc0/0xc0
[  402.190019] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  402.192229]  ? __lock_acquire+0x7ec/0x4ec0
[  402.196267] lowmem_reserve[]:
[  402.224630]  ? __lock_acquire+0x7ec/0x4ec0
[  402.228858]  0
[  402.231964]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.236170]  0
[  402.237968]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  402.243486]  0 0
[  402.245309]  ? should_fail+0x22d/0xd01
[  402.252843]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.256709] Node 0 
[  402.261800]  ? __lock_acquire+0x7ec/0x4ec0
[  402.261803] DMA: 1*4kB 
[  402.264054]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  402.268291] (U) 
[  402.270870]  ? __lock_acquire+0x7ec/0x4ec0
[  402.275964] 0*8kB 
[  402.277932]  ? should_fail+0x22d/0xd01
[  402.282141] 0*16kB 
[  402.284301]  ? mark_held_locks+0x130/0x130
[  402.288178] 1*32kB 
[  402.290415]  ? mark_held_locks+0x130/0x130
[  402.294629] (U) 
[  402.296862]  ? graph_lock+0x170/0x170
[  402.301078] 2*64kB 
[  402.303049]  ? print_usage_bug+0xc0/0xc0
[  402.306835] (U) 
[  402.309068]  ? graph_lock+0x170/0x170
[  402.313109] 1*128kB 
[  402.315081]  ? print_usage_bug+0xc0/0xc0
[  402.318856] (U) 
[  402.321188]  ? wq_watchdog_touch+0x9c/0xfe
[  402.325222] 1*256kB 
[  402.327206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.331419] (U) 
[  402.333741]  ? check_preemption_disabled+0x48/0x200
[  402.339248] 0*512kB 1*1024kB 
[  402.341237]  ? check_preemption_disabled+0x48/0x200
[  402.346240] (U) 
[  402.349348]  ? __lock_is_held+0xb5/0x140
[  402.354337] 1*2048kB (M) 
[  402.356326]  __alloc_pages_nodemask+0xa80/0xde0
[  402.360365] 3*4096kB 
[  402.363121]  ? graph_lock+0x170/0x170
[  402.367763] (M) = 15908kB
[  402.370183]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  402.373963] Node 0 
[  402.376718]  ? graph_lock+0x170/0x170
[  402.381718] DMA32: 4*4kB 
[  402.383976]  ? find_held_lock+0x36/0x1c0
[  402.387745] (UM) 
[  402.390501]  ? ____cache_alloc_node+0x1c7/0x1e0
[  402.394533] 2*8kB (UM) 
[  402.396601]  ? lock_downgrade+0x900/0x900
[  402.401243] 2*16kB (M) 
[  402.403858]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.407974] 3*32kB (UM) 
[  402.410565]  cache_grow_begin+0x91/0x8c0
[  402.416074] 5*64kB (UM) 
[  402.418752]  ? do_raw_spin_unlock+0xa7/0x2f0
[  402.422881] 4*128kB 
[  402.425547]  fallback_alloc+0x203/0x2e0
[  402.429931] (UM) 
[  402.432247]  ____cache_alloc_node+0x1c7/0x1e0
[  402.436196] 4*256kB 
[  402.438259]  kmem_cache_alloc_node+0xe3/0x730
[  402.442729] (UM) 
[  402.445054]  ? ipv6_get_ifaddr+0x42e/0x620
[  402.449518] 3*512kB (M) 
[  402.451594]  __alloc_skb+0x119/0x770
[  402.455804] 3*1024kB 
[  402.458473]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  402.462170] (UM) 
[  402.464574]  ? skb_scrub_packet+0x490/0x490
[  402.469833] 3*2048kB 
[  402.471889]  ? lock_downgrade+0x900/0x900
[  402.471912]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.476201] (M) 3*4096kB 
[  402.478622]  ? refcount_sub_and_test_checked+0x203/0x310
[  402.482748] (M) 
[  402.488282]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  402.491010] = 25056kB
[  402.491018] Node 0 
[  402.496465]  ? addrconf_rs_timer+0x690/0x690
[  402.498417] Normal: 
[  402.503868]  ndisc_alloc_skb+0x144/0x340
[  402.506261] 798*4kB 
[  402.508497]  ndisc_send_rs+0x331/0x6e0
[  402.512881] (ME) 
[  402.515199]  addrconf_rs_timer+0x314/0x690
[  402.519247] 471*8kB 
[  402.521566]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.525428] (UME) 
[  402.527502]  call_timer_fn+0x272/0x920
[  402.531705] 208*16kB 
[  402.534021]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.538237] (UME) 
[  402.540402]  ? process_timeout+0x40/0x40
[  402.544264] 76*32kB 
[  402.546668]  ? find_held_lock+0x36/0x1c0
[  402.550882] (UME) 
[  402.553046]  ? __run_timers+0x7da/0xc70
[  402.557075] 4*64kB (M) 
[  402.559427]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.563463] 1*128kB 
[  402.565610]  ? _raw_spin_unlock_irq+0x27/0x80
[  402.569559] (U) 
[  402.572144]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.576619] 1*256kB 
[  402.578939]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  402.583415] (U) 
[  402.585393]  ? trace_hardirqs_on+0xbd/0x310
[  402.589605] 1*512kB 
[  402.591926]  ? kasan_check_read+0x11/0x20
[  402.596483] (U) 
[  402.598467]  ? __run_timers+0x7da/0xc70
[  402.602768] 0*1024kB 
[  402.605089]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  402.609215] 0*2048kB 
[  402.611186]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.615135] 0*4096kB 
[  402.617543]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  402.622968] = 13872kB
[  402.625384]  __run_timers+0x7e5/0xc70
[  402.629596] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  402.632010]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  402.636220] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  402.638622]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  402.642418] 1299 total pagecache pages
[  402.651247]  ? graph_lock+0x170/0x170
[  402.656594] 0 pages in swap cache
[  402.665157]  ? enqueue_hrtimer+0x1a5/0x560
[  402.670173] Swap cache stats: add 0, delete 0, find 0/0
[  402.674055]  ? lock_release+0x970/0x970
[  402.677837] Free swap  = 0kB
[  402.681295]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  402.685508] Total swap = 0kB
[  402.690869]  ? find_held_lock+0x36/0x1c0
[  402.694838] 1965979 pages RAM
[  402.697874]  ? graph_lock+0x170/0x170
[  402.703046] 0 pages HighMem/MovableOnly
[  402.706060]  ? pvclock_read_flags+0x160/0x160
[  402.710096] 342306 pages reserved
[  402.713196]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.716970] 0 pages cma reserved
[  402.720953]  ? check_preemption_disabled+0x48/0x200
[  402.725494] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  402.728875]  ? __lock_is_held+0xb5/0x140
[  402.728890]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.728909]  ? check_preemption_disabled+0x48/0x200
[  402.734495] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  402.737790]  run_timer_softirq+0x52/0xb0
[  402.742781] syz-executor1 cpuset=
[  402.749273]  ? rcu_read_lock_sched_held+0x108/0x120
[  402.753317] /
[  402.758847]  __do_softirq+0x30b/0xad8
[  402.763840]  mems_allowed=0
[  402.774322]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  402.800329]  ? pvclock_read_flags+0x160/0x160
[  402.804856]  ? lapic_next_event+0x5a/0x90
[  402.809017]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.814565]  ? check_preemption_disabled+0x48/0x200
[  402.819611]  ? check_preemption_disabled+0x48/0x200
[  402.824633]  ? kvm_clock_read+0x18/0x30
[  402.828617]  ? kvm_sched_clock_read+0x9/0x20
[  402.833026]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.838563]  ? check_preemption_disabled+0x48/0x200
[  402.843592]  irq_exit+0x17f/0x1c0
[  402.847043]  smp_apic_timer_interrupt+0x1cb/0x760
[  402.851882]  ? smp_reschedule_interrupt+0x109/0x650
[  402.856906]  ? smp_call_function_single_interrupt+0x650/0x650
[  402.862795]  ? interrupt_entry+0xb5/0xf0
[  402.866855]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.871876]  ? trace_hardirqs_off_caller+0xbb/0x310
[  402.876892]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.881735]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.886750]  ? trace_hardirqs_on_caller+0x310/0x310
[  402.891764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.897303]  ? check_preemption_disabled+0x48/0x200
[  402.902315]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  402.907878]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  402.912729]  apic_timer_interrupt+0xf/0x20
[  402.916968]  </IRQ>
[  402.919212] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  402.924146] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  402.943042] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  402.950748] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  402.958013] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  402.965278] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  402.972556] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  402.979833] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  402.987133]  skb_clone+0x1bb/0x500
[  402.990672]  ? finish_task_switch+0x1b5/0x900
[  402.995184]  ? skb_split+0x11e0/0x11e0
[  402.999092]  ? preempt_notifier_register+0x200/0x200
[  403.004209]  ? __switch_to_asm+0x34/0x70
[  403.008293]  ? __switch_to_asm+0x34/0x70
[  403.012355]  ? __switch_to_asm+0x40/0x70
[  403.016420]  ? __switch_to_asm+0x34/0x70
[  403.020484]  ? __switch_to_asm+0x40/0x70
[  403.024545]  ? __switch_to_asm+0x34/0x70
[  403.028604]  ? __switch_to_asm+0x40/0x70
[  403.032662]  ? __switch_to_asm+0x34/0x70
[  403.036749]  ? __switch_to_asm+0x34/0x70
[  403.040834]  ? __switch_to_asm+0x40/0x70
[  403.044893]  ? __switch_to_asm+0x34/0x70
[  403.048965]  bpf_clone_redirect+0xb9/0x490
[  403.053213]  ? __schedule+0x874/0x1ed0
[  403.057103]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  403.062119]  ? __sched_text_start+0x8/0x8
[  403.066267]  ? lockdep_hardirqs_on+0x421/0x5c0
[  403.070845]  ? retint_kernel+0x2d/0x2d
[  403.074727]  ? trace_hardirqs_on_caller+0xc0/0x310
[  403.079662]  ? find_held_lock+0x36/0x1c0
[  403.083730]  ? lock_acquire+0x1ed/0x520
[  403.087704]  ? bpf_test_run+0x3cb/0x780
[  403.091690]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.097230]  ? check_preemption_disabled+0x48/0x200
[  403.102258]  ? kasan_check_read+0x11/0x20
[  403.106413]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  403.111701]  ? rcu_bh_qs+0xc0/0xc0
[  403.115265]  ? preempt_schedule+0x4d/0x60
[  403.119424]  ? ___preempt_schedule+0x16/0x18
[  403.123853]  ? bpf_test_run+0x25d/0x780
[  403.127857]  ? netlink_diag_dump+0x2a0/0x2a0
[  403.132272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.137832]  ? bpf_test_init.isra.9+0x70/0x100
[  403.142419]  ? bpf_prog_test_run_skb+0x634/0xb40
[  403.147181]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  403.152022]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.157564]  ? fput+0x130/0x1a0
[  403.160850]  ? __bpf_prog_get+0x9b/0x290
[  403.164916]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  403.169760]  ? bpf_prog_test_run+0x130/0x1a0
[  403.174170]  ? __x64_sys_bpf+0x3d8/0x510
[  403.178233]  ? bpf_prog_get+0x20/0x20
[  403.182077]  ? do_syscall_64+0x1b9/0x820
[  403.186137]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  403.191501]  ? syscall_return_slowpath+0x5e0/0x5e0
[  403.196431]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.201445]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  403.206473]  ? recalc_sigpending_tsk+0x180/0x180
[  403.211230]  ? kasan_check_write+0x14/0x20
[  403.215471]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.220338]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  403.225720] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  403.225811] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  403.233002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  403.233007] Call Trace:
[  403.233014]  <IRQ>
[  403.233032]  dump_stack+0x1c4/0x2b4
[  403.233050]  ? dump_stack_print_info.cold.2+0x52/0x52
[  403.233078]  warn_alloc.cold.119+0xb7/0x1bd
[  403.239663] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  403.248903]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  403.251467] syz-executor4 cpuset=
[  403.253615]  ? lock_downgrade+0x900/0x900
[  403.257221] syz4
[  403.262409]  ? trace_hardirqs_off+0xb8/0x310
[  403.266711]  mems_allowed=0
[  403.277191]  ? trace_hardirqs_off+0xb8/0x310
[  403.303274]  __alloc_pages_slowpath+0x2667/0x2d80
[  403.308164]  ? warn_alloc+0x120/0x120
[  403.311983]  ? lock_release+0x970/0x970
[  403.315976]  ? warn_alloc+0x120/0x120
[  403.319784]  ? print_usage_bug+0xc0/0xc0
[  403.323873]  ? warn_alloc+0x120/0x120
[  403.327683]  ? print_usage_bug+0xc0/0xc0
[  403.331749]  ? __lock_acquire+0x7ec/0x4ec0
[  403.335985]  ? __lock_acquire+0x7ec/0x4ec0
[  403.340224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.345780]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.351320]  ? should_fail+0x22d/0xd01
[  403.355217]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.360322]  ? __lock_acquire+0x7ec/0x4ec0
[  403.364578]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  403.369691]  ? __lock_acquire+0x7ec/0x4ec0
[  403.373920]  ? should_fail+0x22d/0xd01
[  403.377835]  ? mark_held_locks+0x130/0x130
[  403.382108]  ? mark_held_locks+0x130/0x130
[  403.386356]  ? graph_lock+0x170/0x170
[  403.390163]  ? print_usage_bug+0xc0/0xc0
[  403.394223]  ? graph_lock+0x170/0x170
[  403.398020]  ? print_usage_bug+0xc0/0xc0
[  403.402094]  ? wq_watchdog_touch+0x9c/0xfe
[  403.406331]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.411884]  ? check_preemption_disabled+0x48/0x200
[  403.416910]  ? check_preemption_disabled+0x48/0x200
[  403.421951]  ? __lock_is_held+0xb5/0x140
[  403.426015]  __alloc_pages_nodemask+0xa80/0xde0
[  403.430683]  ? graph_lock+0x170/0x170
[  403.434489]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  403.439502]  ? graph_lock+0x170/0x170
[  403.443312]  ? find_held_lock+0x36/0x1c0
[  403.447401]  ? ____cache_alloc_node+0x1c7/0x1e0
[  403.452077]  ? lock_downgrade+0x900/0x900
[  403.456231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.461775]  cache_grow_begin+0x91/0x8c0
[  403.465838]  ? do_raw_spin_unlock+0xa7/0x2f0
[  403.470261]  fallback_alloc+0x203/0x2e0
[  403.474244]  ____cache_alloc_node+0x1c7/0x1e0
[  403.478809]  kmem_cache_alloc_node+0xe3/0x730
[  403.483482]  ? ipv6_get_ifaddr+0x42e/0x620
[  403.487944]  __alloc_skb+0x119/0x770
[  403.491937]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  403.497419]  ? skb_scrub_packet+0x490/0x490
[  403.501983]  ? lock_downgrade+0x900/0x900
[  403.506293]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.511939]  ? refcount_sub_and_test_checked+0x203/0x310
[  403.517620]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  403.523273]  ? addrconf_rs_timer+0x690/0x690
[  403.527735]  ndisc_alloc_skb+0x144/0x340
[  403.531804]  ndisc_send_rs+0x331/0x6e0
[  403.535702]  addrconf_rs_timer+0x314/0x690
[  403.539942]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.544196]  call_timer_fn+0x272/0x920
[  403.548082]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.552326]  ? process_timeout+0x40/0x40
[  403.556397]  ? find_held_lock+0x36/0x1c0
[  403.560468]  ? mark_held_locks+0xc7/0x130
[  403.564629]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.569127]  ? _raw_spin_unlock_irq+0x27/0x80
[  403.573619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.577850]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  403.582437]  ? trace_hardirqs_on+0xbd/0x310
[  403.586764]  ? kasan_check_read+0x11/0x20
[  403.590938]  ? __run_timers+0x7da/0xc70
[  403.594919]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  403.600398]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.604641]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  403.608887]  __run_timers+0x7e5/0xc70
[  403.612703]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  403.618071]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.623091]  ? graph_lock+0x170/0x170
[  403.626915]  ? print_usage_bug+0xc0/0xc0
[  403.630972]  ? lock_release+0x970/0x970
[  403.634960]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  403.640265]  ? find_held_lock+0x36/0x1c0
[  403.644357]  ? graph_lock+0x170/0x170
[  403.648167]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.653939]  ? check_preemption_disabled+0x48/0x200
[  403.658983]  ? __lock_is_held+0xb5/0x140
[  403.663061]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.668609]  ? check_preemption_disabled+0x48/0x200
[  403.673635]  run_timer_softirq+0x52/0xb0
[  403.677699]  ? rcu_read_lock_sched_held+0x108/0x120
[  403.682715]  __do_softirq+0x30b/0xad8
[  403.686527]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  403.691636]  ? pvclock_read_flags+0x160/0x160
[  403.696129]  ? lapic_next_event+0x5a/0x90
[  403.700319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.705867]  ? check_preemption_disabled+0x48/0x200
[  403.710908]  ? check_preemption_disabled+0x48/0x200
[  403.715933]  ? kvm_clock_read+0x18/0x30
[  403.719921]  ? kvm_sched_clock_read+0x9/0x20
[  403.724330]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.729886]  ? check_preemption_disabled+0x48/0x200
[  403.734920]  irq_exit+0x17f/0x1c0
[  403.738381]  smp_apic_timer_interrupt+0x1cb/0x760
[  403.743228]  ? smp_call_function_single_interrupt+0x650/0x650
[  403.749116]  ? interrupt_entry+0xb5/0xf0
[  403.753178]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.758294]  ? trace_hardirqs_off_caller+0xbb/0x310
[  403.763427]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.768397]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.773566]  ? trace_hardirqs_on_caller+0x310/0x310
[  403.778768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.784681]  ? check_preemption_disabled+0x48/0x200
[  403.790206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.796028]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  403.801208]  apic_timer_interrupt+0xf/0x20
[  403.805699]  </IRQ>
[  403.807951] RIP: 0010:lock_acquire+0x268/0x520
[  403.812736] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  403.831633] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  403.839344] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  403.846620] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  403.853892] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  403.861173] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  403.868534] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  403.875833]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  403.881409]  ? lock_release+0x970/0x970
[  403.885404]  ? activate_page+0x1040/0x1040
[  403.889648]  ? __unlock_page_memcg+0x53/0x100
[  403.894149]  ? check_preemption_disabled+0x48/0x200
[  403.899173]  lock_page_memcg+0x95/0x350
[  403.903157]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  403.908385]  ? rcu_bh_qs+0xc0/0xc0
[  403.911929]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  403.917151]  page_remove_rmap+0x855/0x1a30
[  403.921396]  ? page_add_file_rmap+0x1470/0x1470
[  403.926066]  ? __lock_is_held+0xb5/0x140
[  403.930143]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  403.935686]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  403.941227]  ? lru_add_drain_cpu+0x1c0/0x500
[  403.945663]  ? free_pages_and_swap_cache+0x475/0x6f0
[  403.950780]  ? free_page_and_swap_cache+0x950/0x950
[  403.955823]  ? kasan_check_read+0x11/0x20
[  403.959984]  ? page_mapcount+0x3b5/0x5d0
[  403.964090]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  403.968936]  ? lock_downgrade+0x900/0x900
[  403.973097]  ? lock_release+0x970/0x970
[  403.977077]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  403.982095]  ? _vm_normal_page+0x161/0x3c0
[  403.986335]  ? __pte_alloc_kernel+0x220/0x220
[  403.990838]  ? kasan_check_write+0x14/0x20
[  403.995092]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  404.000118]  ? __tlb_remove_page_size+0x187/0x500
[  404.004969]  unmap_page_range+0xf14/0x2030
[  404.009231]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  404.013728]  ? search_extable+0x80/0xb0
[  404.017707]  ? trim_init_extable+0x3a0/0x3a0
[  404.022117]  ? __get_user_8+0x21/0x2b
[  404.025923]  ? print_usage_bug+0xc0/0xc0
[  404.030006]  ? __lock_acquire+0x7ec/0x4ec0
[  404.034241]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  404.039793]  ? no_context+0xd9/0x980
[  404.043501]  ? lock_downgrade+0x900/0x900
[  404.047663]  ? graph_lock+0x170/0x170
[  404.051560]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.057098]  ? tlb_flush_mmu_free+0x135/0x1b0
[  404.061600]  ? find_held_lock+0x36/0x1c0
[  404.065667]  ? exit_mmap+0x4bb/0x590
[  404.069386]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.075025]  ? uprobe_munmap+0x14c/0x450
[  404.079093]  ? uprobe_mmap+0xd50/0xd50
[  404.082977]  ? lock_release+0x970/0x970
[  404.086950]  ? arch_local_save_flags+0x40/0x40
[  404.091542]  ? rwsem_down_write_failed+0xe/0x10
[  404.096208]  ? rwsem_down_write_failed+0xe/0x10
[  404.100871]  ? call_rwsem_down_write_failed+0x17/0x30
[  404.106073]  unmap_single_vma+0x19b/0x310
[  404.110230]  unmap_vmas+0x125/0x200
[  404.113863]  exit_mmap+0x2be/0x590
[  404.117416]  ? __ia32_sys_munmap+0x80/0x80
[  404.121676]  ? __might_sleep+0x95/0x190
[  404.125654]  mmput+0x247/0x610
[  404.128848]  ? lock_downgrade+0x900/0x900
[  404.133001]  ? set_mm_exe_file+0x200/0x200
[  404.137244]  ? kasan_check_read+0x11/0x20
[  404.141394]  ? do_raw_spin_unlock+0xa7/0x2f0
[  404.145810]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  404.150433]  ? kasan_check_write+0x14/0x20
[  404.154701]  ? do_raw_spin_lock+0xc1/0x200
[  404.158948]  do_exit+0xe6f/0x2610
[  404.162406]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  404.167432]  ? mm_update_next_owner+0x990/0x990
[  404.172104]  ? print_usage_bug+0xc0/0xc0
[  404.176167]  ? graph_lock+0x170/0x170
[  404.179974]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.185989]  ? check_preemption_disabled+0x48/0x200
[  404.191021]  ? check_preemption_disabled+0x48/0x200
[  404.196040]  ? print_usage_bug+0xc0/0xc0
[  404.200111]  ? __lock_acquire+0x7ec/0x4ec0
[  404.204359]  ? __lock_acquire+0x7ec/0x4ec0
[  404.208631]  ? mark_held_locks+0x130/0x130
[  404.212889]  ? mark_held_locks+0x130/0x130
[  404.217149]  ? kasan_check_write+0x14/0x20
[  404.221398]  ? finish_task_switch+0x2f5/0x900
[  404.225902]  ? __switch_to_asm+0x40/0x70
[  404.229969]  ? __switch_to_asm+0x34/0x70
[  404.234046]  ? __switch_to_asm+0x34/0x70
[  404.238110]  ? __switch_to_asm+0x40/0x70
[  404.242171]  ? __switch_to_asm+0x34/0x70
[  404.246233]  ? __switch_to_asm+0x40/0x70
[  404.250295]  ? __switch_to_asm+0x34/0x70
[  404.254366]  ? __switch_to_asm+0x34/0x70
[  404.258440]  ? __switch_to_asm+0x34/0x70
[  404.262499]  ? __switch_to_asm+0x34/0x70
[  404.266559]  ? __switch_to_asm+0x40/0x70
[  404.270621]  ? __switch_to_asm+0x34/0x70
[  404.274683]  ? __switch_to_asm+0x40/0x70
[  404.278748]  ? graph_lock+0x170/0x170
[  404.282553]  ? graph_lock+0x170/0x170
[  404.286373]  ? graph_lock+0x170/0x170
[  404.290173]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.295707]  ? wait_consider_task+0x245/0x3bb0
[  404.300288]  ? memset+0x31/0x40
[  404.303571]  ? find_held_lock+0x36/0x1c0
[  404.307669]  ? get_signal+0x95b/0x1980
[  404.311559]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.316058]  ? _raw_spin_unlock_irq+0x27/0x80
[  404.320562]  do_group_exit+0x177/0x440
[  404.324459]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  404.329911]  ? __ia32_sys_exit+0x50/0x50
[  404.333984]  get_signal+0x8b0/0x1980
[  404.337728]  ? ptrace_notify+0x130/0x130
[  404.341802]  ? do_wait+0x57d/0xb90
[  404.345346]  ? wait_consider_task+0x3bb0/0x3bb0
[  404.350023]  ? graph_lock+0x170/0x170
[  404.353821]  ? graph_lock+0x170/0x170
[  404.357623]  ? graph_lock+0x170/0x170
[  404.361465]  do_signal+0x9c/0x21e0
[  404.365011]  ? find_held_lock+0x36/0x1c0
[  404.369078]  ? setup_sigcontext+0x7d0/0x7d0
[  404.373398]  ? kernel_wait4+0x2e0/0x3f0
[  404.377385]  ? __ia32_sys_waitid+0x140/0x140
[  404.381799]  ? task_stopped_code+0x190/0x190
[  404.386214]  ? exit_to_usermode_loop+0x8c/0x380
[  404.390908]  ? __do_page_fault+0x4a6/0xed0
[  404.395154]  ? do_syscall_64+0x9a/0x820
[  404.399137]  ? do_syscall_64+0x9a/0x820
[  404.403118]  exit_to_usermode_loop+0x2e5/0x380
[  404.407699]  ? syscall_slow_exit_work+0x520/0x520
[  404.412551]  do_syscall_64+0x6be/0x820
[  404.416451]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  404.421820]  ? syscall_return_slowpath+0x5e0/0x5e0
[  404.426760]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.431632]  ? trace_hardirqs_on_caller+0x310/0x310
[  404.436653]  ? prepare_exit_to_usermode+0x291/0x3b0
[  404.441694]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  404.446548]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  404.451735] RIP: 0033:0x41124a
[  404.454930] Code: Bad RIP value.
[  404.458288] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  404.465993] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  404.473256] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  404.480524] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  404.487792] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  404.495056] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  404.502344] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  404.502357] warn_alloc_show_mem: 1 callbacks suppressed
[  404.502365] Mem-Info:
[  404.509648] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  404.515014] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  404.515014]  active_file:8 inactive_file:19 isolated_file:0
[  404.515014]  unevictable:0 dirty:0 writeback:0 unstable:0
[  404.515014]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  404.515014]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  404.515014]  free:13709 free_pcp:257 free_cma:0
[  404.517393] Call Trace:
[  404.526775] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  404.559720]  <IRQ>
[  404.562290] Node 0 
[  404.589956]  dump_stack+0x1c4/0x2b4
[  404.592102] 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
[  404.594314]  ? dump_stack_print_info.cold.2+0x52/0x52
[  404.597906] lowmem_reserve[]: 0
[  404.623433]  warn_alloc.cold.119+0xb7/0x1bd
[  404.628594]  2819
[  404.631871]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  404.636174]  6323
[  404.638236]  ? lock_downgrade+0x900/0x900
[  404.643064]  6323
[  404.645128]  ? trace_hardirqs_off+0xb8/0x310
[  404.651334]  ? trace_hardirqs_off+0xb8/0x310
[  404.655724] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  404.660160]  __alloc_pages_slowpath+0x2667/0x2d80
[  404.660204]  ? warn_alloc+0x120/0x120
[  404.687474] lowmem_reserve[]: 0
[  404.692332]  ? trace_hardirqs_on+0x310/0x310
[  404.696100]  0 3503
[  404.699389]  ? warn_alloc+0x120/0x120
[  404.703778]  3503
[  404.706010]  ? print_usage_bug+0xc0/0xc0
[  404.711843]  ? warn_alloc+0x120/0x120
[  404.715883] Node 0 
[  404.719671]  ? ktime_get+0x2e1/0x440
[  404.719708] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  404.721927]  ? print_usage_bug+0xc0/0xc0
[  404.725622] lowmem_reserve[]: 0
[  404.754003]  ? __lock_acquire+0x7ec/0x4ec0
[  404.758038]  0
[  404.761321]  ? __lock_acquire+0x7ec/0x4ec0
[  404.765529]  0
[  404.767331]  ? kasan_check_read+0x11/0x20
[  404.771532]  0
[  404.773340]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  404.777471] Node 0 
[  404.779276]  ? should_fail+0x22d/0xd01
[  404.784797] DMA: 1*4kB 
[  404.787068]  ? rcu_bh_qs+0xc0/0xc0
[  404.790928] (U) 
[  404.793510]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.797023] 0*8kB 
[  404.798991]  ? __lock_acquire+0x7ec/0x4ec0
[  404.804069] 0*16kB 
[  404.806213]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  404.810436] 1*32kB 
[  404.812667]  ? __lock_acquire+0x7ec/0x4ec0
[  404.817759] (U) 
[  404.820014]  ? should_fail+0x22d/0xd01
[  404.824238] 2*64kB 
[  404.826213]  ? rcu_idle_enter+0x4b0/0x4b0
[  404.830072] (U) 
[  404.832305]  ? mark_held_locks+0x130/0x130
[  404.836431] 1*128kB 
[  404.838423]  ? mark_held_locks+0x130/0x130
[  404.842634] (U) 
[  404.844953]  ? mark_held_locks+0xc7/0x130
[  404.849165] 1*256kB 
[  404.851136]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  404.855257] (U) 
[  404.857579]  ? graph_lock+0x170/0x170
[  404.862590] 0*512kB 
[  404.864563]  ? print_usage_bug+0xc0/0xc0
[  404.868340] 1*1024kB 
[  404.870656]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.874701] (U) 
[  404.877111]  ? check_preemption_disabled+0x48/0x200
[  404.882621] 1*2048kB 
[  404.884594]  ? check_preemption_disabled+0x48/0x200
[  404.889607] (M) 
[  404.892018]  ? __lock_is_held+0xb5/0x140
[  404.897003] 3*4096kB 
[  404.898976]  __alloc_pages_nodemask+0xa80/0xde0
[  404.903013] (M) 
[  404.905425]  ? graph_lock+0x170/0x170
[  404.910065] = 15908kB
[  404.910074] Node 0 
[  404.912050]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  404.915823] DMA32: 4*4kB 
[  404.918235]  ? graph_lock+0x170/0x170
[  404.920448] (UM) 
[  404.925470]  ? find_held_lock+0x36/0x1c0
[  404.928201] 2*8kB 
[  404.932001]  ? ____cache_alloc_node+0x1c7/0x1e0
[  404.934036] (UM) 
[  404.938091]  ? lock_downgrade+0x900/0x900
[  404.940215] 2*16kB (M) 
[  404.944894]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  404.946943] 3*32kB 
[  404.951087]  cache_grow_begin+0x91/0x8c0
[  404.953666] (UM) 
[  404.959201]  ? do_raw_spin_unlock+0xa7/0x2f0
[  404.961414] 5*64kB 
[  404.965484]  fallback_alloc+0x203/0x2e0
[  404.967531] (UM) 
[  404.971937]  ____cache_alloc_node+0x1c7/0x1e0
[  404.974161] 4*128kB 
[  404.978167]  kmem_cache_alloc_node+0xe3/0x730
[  404.980207] (UM) 
[  404.984699]  ? ipv6_get_ifaddr+0x42e/0x620
[  404.987002] 4*256kB 
[  404.991495]  __alloc_skb+0x119/0x770
[  404.993528] (UM) 
[  404.997760]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  405.000060] 3*512kB 
[  405.003771]  ? skb_scrub_packet+0x490/0x490
[  405.005837] (M) 
[  405.011134]  ? lock_downgrade+0x900/0x900
[  405.013436] 3*1024kB 
[  405.017754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.019709] (UM) 
[  405.023857]  ? refcount_sub_and_test_checked+0x203/0x310
[  405.026254] 3*2048kB (M) 
[  405.031805]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  405.033847] 3*4096kB 
[  405.039288]  ? addrconf_rs_timer+0x690/0x690
[  405.042036] (M) 
[  405.047496]  ndisc_alloc_skb+0x144/0x340
[  405.049875] = 25056kB
[  405.054278]  ndisc_send_rs+0x331/0x6e0
[  405.056231] Node 0 
[  405.060287]  addrconf_rs_timer+0x314/0x690
[  405.062673] Normal: 
[  405.066565]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.068776] 798*4kB 
[  405.073009]  call_timer_fn+0x272/0x920
[  405.075304] (ME) 
[  405.079538]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.081840] 471*8kB 
[  405.085725]  ? process_timeout+0x40/0x40
[  405.087767] (UME) 
[  405.092001]  ? find_held_lock+0x36/0x1c0
[  405.094305] 208*16kB 
[  405.098362]  ? __run_timers+0x7da/0xc70
[  405.100520] (UME) 
[  405.104590]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.106980] 76*32kB 
[  405.110964]  ? _raw_spin_unlock_irq+0x27/0x80
[  405.113093] (UME) 
[  405.117580]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.119902] 4*64kB 
[  405.124395]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  405.126524] (M) 
[  405.130790]  ? trace_hardirqs_on+0xbd/0x310
[  405.133006] 1*128kB 
[  405.137586]  ? kasan_check_read+0x11/0x20
[  405.139541] (U) 
[  405.143866]  ? __run_timers+0x7da/0xc70
[  405.146169] 1*256kB 
[  405.150308]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  405.152258] (U) 
[  405.156228]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.158528] 1*512kB 
[  405.163967]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  405.165913] (U) 0*1024kB 
[  405.170153]  __run_timers+0x7e5/0xc70
[  405.172519] 0*2048kB 
[  405.176755]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  405.179486] 0*4096kB 
[  405.183291]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  405.185673] = 13872kB
[  405.185688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  405.191038]  ? graph_lock+0x170/0x170
[  405.193433] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  405.198437]  ? enqueue_hrtimer+0x1a5/0x560
[  405.200827] 1299 total pagecache pages
[  405.209653]  ? lock_release+0x970/0x970
[  405.213440] 0 pages in swap cache
[  405.222004]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  405.226223] Swap cache stats: add 0, delete 0, find 0/0
[  405.230113]  ? find_held_lock+0x36/0x1c0
[  405.234060] Free swap  = 0kB
[  405.237511]  ? graph_lock+0x170/0x170
[  405.242684] Total swap = 0kB
[  405.248039]  ? pvclock_read_flags+0x160/0x160
[  405.252077] 1965979 pages RAM
[  405.255088]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.258863] 0 pages HighMem/MovableOnly
[  405.261875]  ? check_preemption_disabled+0x48/0x200
[  405.266359] 342306 pages reserved
[  405.269464]  ? __lock_is_held+0xb5/0x140
[  405.274974] 0 pages cma reserved
[  405.278943]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.284010] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.287407]  ? check_preemption_disabled+0x48/0x200
[  405.291537] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.294811]  run_timer_softirq+0x52/0xb0
[  405.300324] syz-executor1 cpuset=
[  405.306816]  ? rcu_read_lock_sched_held+0x108/0x120
[  405.311811] /
[  405.322311]  __do_softirq+0x30b/0xad8
[  405.326369]  mems_allowed=0
[  405.329868]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  405.348393]  ? pvclock_read_flags+0x160/0x160
[  405.352891]  ? lapic_next_event+0x5a/0x90
[  405.357041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.362579]  ? check_preemption_disabled+0x48/0x200
[  405.367598]  ? check_preemption_disabled+0x48/0x200
[  405.372621]  ? kvm_clock_read+0x18/0x30
[  405.376598]  ? kvm_sched_clock_read+0x9/0x20
[  405.381012]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.386549]  ? check_preemption_disabled+0x48/0x200
[  405.391579]  irq_exit+0x17f/0x1c0
[  405.395033]  smp_apic_timer_interrupt+0x1cb/0x760
[  405.399875]  ? smp_reschedule_interrupt+0x109/0x650
[  405.404887]  ? smp_call_function_single_interrupt+0x650/0x650
[  405.410777]  ? interrupt_entry+0xb5/0xf0
[  405.414850]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.419866]  ? trace_hardirqs_off_caller+0xbb/0x310
[  405.424884]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.429731]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.434750]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.439768]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.445305]  ? check_preemption_disabled+0x48/0x200
[  405.450318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.455862]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.460728]  apic_timer_interrupt+0xf/0x20
[  405.464960]  </IRQ>
[  405.467199] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  405.472154] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  405.491050] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  405.498786] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  405.506052] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  405.513318] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  405.520586] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  405.527856] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  405.535170]  skb_clone+0x1bb/0x500
[  405.538717]  ? finish_task_switch+0x1b5/0x900
[  405.543212]  ? skb_split+0x11e0/0x11e0
[  405.547103]  ? preempt_notifier_register+0x200/0x200
[  405.552211]  ? __switch_to_asm+0x34/0x70
[  405.556277]  ? __switch_to_asm+0x34/0x70
[  405.560387]  ? __switch_to_asm+0x40/0x70
[  405.564456]  ? __switch_to_asm+0x34/0x70
[  405.568515]  ? __switch_to_asm+0x40/0x70
[  405.572584]  ? __switch_to_asm+0x34/0x70
[  405.576644]  ? __switch_to_asm+0x40/0x70
[  405.580707]  ? __switch_to_asm+0x34/0x70
[  405.584771]  ? __switch_to_asm+0x34/0x70
[  405.588831]  ? __switch_to_asm+0x40/0x70
[  405.592893]  ? __switch_to_asm+0x34/0x70
[  405.596973]  bpf_clone_redirect+0xb9/0x490
[  405.601210]  ? __schedule+0x874/0x1ed0
[  405.605108]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  405.610129]  ? __sched_text_start+0x8/0x8
[  405.614285]  ? lockdep_hardirqs_on+0x421/0x5c0
[  405.618868]  ? retint_kernel+0x2d/0x2d
[  405.622763]  ? trace_hardirqs_on_caller+0xc0/0x310
[  405.627702]  ? find_held_lock+0x36/0x1c0
[  405.631772]  ? lock_acquire+0x1ed/0x520
[  405.635747]  ? bpf_test_run+0x3cb/0x780
[  405.639731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.645278]  ? check_preemption_disabled+0x48/0x200
[  405.650304]  ? kasan_check_read+0x11/0x20
[  405.654460]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  405.659739]  ? rcu_bh_qs+0xc0/0xc0
[  405.663281]  ? preempt_schedule+0x4d/0x60
[  405.667434]  ? ___preempt_schedule+0x16/0x18
[  405.671863]  ? bpf_test_run+0x25d/0x780
[  405.675862]  ? netlink_diag_dump+0x2a0/0x2a0
[  405.680280]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.685819]  ? bpf_test_init.isra.9+0x70/0x100
[  405.690414]  ? bpf_prog_test_run_skb+0x634/0xb40
[  405.695183]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  405.700030]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  405.705569]  ? fput+0x130/0x1a0
[  405.708855]  ? __bpf_prog_get+0x9b/0x290
[  405.712934]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  405.717791]  ? bpf_prog_test_run+0x130/0x1a0
[  405.722215]  ? __x64_sys_bpf+0x3d8/0x510
[  405.726297]  ? bpf_prog_get+0x20/0x20
[  405.730119]  ? do_syscall_64+0x1b9/0x820
[  405.734184]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  405.739550]  ? syscall_return_slowpath+0x5e0/0x5e0
[  405.744487]  ? trace_hardirqs_on_caller+0x310/0x310
[  405.749506]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  405.754525]  ? recalc_sigpending_tsk+0x180/0x180
[  405.759284]  ? kasan_check_write+0x14/0x20
[  405.763532]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  405.768392]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  405.773791] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  405.773887] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  405.781094] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  405.781100] Call Trace:
[  405.781108]  <IRQ>
[  405.781126]  dump_stack+0x1c4/0x2b4
[  405.781144]  ? dump_stack_print_info.cold.2+0x52/0x52
[  405.787692] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  405.796993]  warn_alloc.cold.119+0xb7/0x1bd
[  405.799554] syz-executor4 cpuset=
[  405.801704]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  405.805313] syz4
[  405.810501]  ? lock_downgrade+0x900/0x900
[  405.820965]  mems_allowed=0
[  405.825290]  ? trace_hardirqs_off+0xb8/0x310
[  405.846968]  ? trace_hardirqs_off+0xb8/0x310
[  405.851397]  __alloc_pages_slowpath+0x2667/0x2d80
[  405.856284]  ? warn_alloc+0x120/0x120
[  405.860089]  ? trace_hardirqs_on+0x310/0x310
[  405.864500]  ? warn_alloc+0x120/0x120
[  405.868308]  ? print_usage_bug+0xc0/0xc0
[  405.872380]  ? warn_alloc+0x120/0x120
[  405.876184]  ? ktime_get+0x2e1/0x440
[  405.879904]  ? print_usage_bug+0xc0/0xc0
[  405.883971]  ? __lock_acquire+0x7ec/0x4ec0
[  405.888216]  ? __lock_acquire+0x7ec/0x4ec0
[  405.892457]  ? kasan_check_read+0x11/0x20
[  405.896610]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  405.902150]  ? should_fail+0x22d/0xd01
[  405.906040]  ? rcu_bh_qs+0xc0/0xc0
[  405.909583]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.914689]  ? __lock_acquire+0x7ec/0x4ec0
[  405.918929]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  405.924033]  ? __lock_acquire+0x7ec/0x4ec0
[  405.928270]  ? should_fail+0x22d/0xd01
[  405.932163]  ? rcu_idle_enter+0x4b0/0x4b0
[  405.936320]  ? mark_held_locks+0x130/0x130
[  405.940582]  ? mark_held_locks+0x130/0x130
[  405.944827]  ? mark_held_locks+0xc7/0x130
[  405.949000]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  405.954017]  ? graph_lock+0x170/0x170
[  405.957818]  ? print_usage_bug+0xc0/0xc0
[  405.961915]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  405.967458]  ? check_preemption_disabled+0x48/0x200
[  405.972478]  ? check_preemption_disabled+0x48/0x200
[  405.977525]  ? __lock_is_held+0xb5/0x140
[  405.981603]  __alloc_pages_nodemask+0xa80/0xde0
[  405.986280]  ? graph_lock+0x170/0x170
[  405.990092]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  405.995135]  ? graph_lock+0x170/0x170
[  405.998953]  ? find_held_lock+0x36/0x1c0
[  406.003038]  ? ____cache_alloc_node+0x1c7/0x1e0
[  406.007719]  ? lock_downgrade+0x900/0x900
[  406.011882]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.017443]  cache_grow_begin+0x91/0x8c0
[  406.021506]  ? do_raw_spin_unlock+0xa7/0x2f0
[  406.025948]  fallback_alloc+0x203/0x2e0
[  406.029951]  ____cache_alloc_node+0x1c7/0x1e0
[  406.034462]  kmem_cache_alloc_node+0xe3/0x730
[  406.038972]  ? ipv6_get_ifaddr+0x42e/0x620
[  406.043218]  __alloc_skb+0x119/0x770
[  406.046949]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  406.052239]  ? skb_scrub_packet+0x490/0x490
[  406.056567]  ? lock_downgrade+0x900/0x900
[  406.060733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.066272]  ? refcount_sub_and_test_checked+0x203/0x310
[  406.071734]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  406.077342]  ? addrconf_rs_timer+0x690/0x690
[  406.081770]  ndisc_alloc_skb+0x144/0x340
[  406.085851]  ndisc_send_rs+0x331/0x6e0
[  406.089754]  addrconf_rs_timer+0x314/0x690
[  406.093995]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.098254]  call_timer_fn+0x272/0x920
[  406.102151]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.106408]  ? process_timeout+0x40/0x40
[  406.110470]  ? find_held_lock+0x36/0x1c0
[  406.114556]  ? mark_held_locks+0xc7/0x130
[  406.118721]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.123219]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.127731]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.131974]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  406.136567]  ? trace_hardirqs_on+0xbd/0x310
[  406.140898]  ? kasan_check_read+0x11/0x20
[  406.145048]  ? __run_timers+0x7da/0xc70
[  406.149026]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.154488]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.158737]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  406.162974]  __run_timers+0x7e5/0xc70
[  406.166791]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  406.172158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.177179]  ? graph_lock+0x170/0x170
[  406.180988]  ? print_usage_bug+0xc0/0xc0
[  406.185508]  ? lock_release+0x970/0x970
[  406.189509]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  406.194707]  ? find_held_lock+0x36/0x1c0
[  406.198773]  ? graph_lock+0x170/0x170
[  406.202581]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.208129]  ? check_preemption_disabled+0x48/0x200
[  406.213172]  ? __lock_is_held+0xb5/0x140
[  406.217234]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.222797]  ? check_preemption_disabled+0x48/0x200
[  406.227825]  run_timer_softirq+0x52/0xb0
[  406.231900]  ? rcu_read_lock_sched_held+0x108/0x120
[  406.236921]  __do_softirq+0x30b/0xad8
[  406.240751]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  406.245866]  ? pvclock_read_flags+0x160/0x160
[  406.250378]  ? lapic_next_event+0x5a/0x90
[  406.254539]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.260101]  ? check_preemption_disabled+0x48/0x200
[  406.265124]  ? check_preemption_disabled+0x48/0x200
[  406.270150]  ? kvm_clock_read+0x18/0x30
[  406.274132]  ? kvm_sched_clock_read+0x9/0x20
[  406.278544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.284086]  ? check_preemption_disabled+0x48/0x200
[  406.289119]  irq_exit+0x17f/0x1c0
[  406.292578]  smp_apic_timer_interrupt+0x1cb/0x760
[  406.297427]  ? smp_call_function_single_interrupt+0x650/0x650
[  406.303318]  ? interrupt_entry+0xb5/0xf0
[  406.307390]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.312423]  ? trace_hardirqs_off_caller+0xbb/0x310
[  406.317446]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.322290]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.327310]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.332334]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.337890]  ? check_preemption_disabled+0x48/0x200
[  406.342916]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.348467]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.353319]  apic_timer_interrupt+0xf/0x20
[  406.357565]  </IRQ>
[  406.359806] RIP: 0010:lock_acquire+0x268/0x520
[  406.364413] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  406.383311] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  406.391030] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  406.398296] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  406.405563] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  406.412829] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  406.420096] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  406.427420]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.432967]  ? lock_release+0x970/0x970
[  406.436944]  ? activate_page+0x1040/0x1040
[  406.441184]  ? __unlock_page_memcg+0x53/0x100
[  406.445685]  ? check_preemption_disabled+0x48/0x200
[  406.450710]  lock_page_memcg+0x95/0x350
[  406.454683]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  406.459884]  ? rcu_bh_qs+0xc0/0xc0
[  406.463435]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  406.468642]  page_remove_rmap+0x855/0x1a30
[  406.472890]  ? page_add_file_rmap+0x1470/0x1470
[  406.477589]  ? __lock_is_held+0xb5/0x140
[  406.481667]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.487208]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.492752]  ? lru_add_drain_cpu+0x1c0/0x500
[  406.497182]  ? free_pages_and_swap_cache+0x475/0x6f0
[  406.502300]  ? free_page_and_swap_cache+0x950/0x950
[  406.507326]  ? kasan_check_read+0x11/0x20
[  406.511481]  ? page_mapcount+0x3b5/0x5d0
[  406.515551]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  406.520401]  ? lock_downgrade+0x900/0x900
[  406.524557]  ? lock_release+0x970/0x970
[  406.528536]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  406.533553]  ? _vm_normal_page+0x161/0x3c0
[  406.537792]  ? __pte_alloc_kernel+0x220/0x220
[  406.542300]  ? kasan_check_write+0x14/0x20
[  406.546532]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  406.551550]  ? __tlb_remove_page_size+0x187/0x500
[  406.556404]  unmap_page_range+0xf14/0x2030
[  406.560669]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  406.565171]  ? search_extable+0x80/0xb0
[  406.569145]  ? trim_init_extable+0x3a0/0x3a0
[  406.573560]  ? __get_user_8+0x21/0x2b
[  406.577384]  ? print_usage_bug+0xc0/0xc0
[  406.581457]  ? __lock_acquire+0x7ec/0x4ec0
[  406.585705]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  406.591244]  ? no_context+0xd9/0x980
[  406.594957]  ? lock_downgrade+0x900/0x900
[  406.599105]  ? graph_lock+0x170/0x170
[  406.602931]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.608479]  ? tlb_flush_mmu_free+0x135/0x1b0
[  406.612984]  ? find_held_lock+0x36/0x1c0
[  406.617055]  ? exit_mmap+0x4bb/0x590
[  406.620771]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  406.626308]  ? uprobe_munmap+0x14c/0x450
[  406.630394]  ? uprobe_mmap+0xd50/0xd50
[  406.634286]  ? lock_release+0x970/0x970
[  406.638264]  ? arch_local_save_flags+0x40/0x40
[  406.642869]  ? rwsem_down_write_failed+0xe/0x10
[  406.647553]  ? rwsem_down_write_failed+0xe/0x10
[  406.652221]  ? call_rwsem_down_write_failed+0x17/0x30
[  406.657418]  unmap_single_vma+0x19b/0x310
[  406.661579]  unmap_vmas+0x125/0x200
[  406.665223]  exit_mmap+0x2be/0x590
[  406.668766]  ? __ia32_sys_munmap+0x80/0x80
[  406.673050]  ? __might_sleep+0x95/0x190
[  406.677034]  mmput+0x247/0x610
[  406.680251]  ? lock_downgrade+0x900/0x900
[  406.684397]  ? set_mm_exe_file+0x200/0x200
[  406.688665]  ? kasan_check_read+0x11/0x20
[  406.692828]  ? do_raw_spin_unlock+0xa7/0x2f0
[  406.697247]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  406.701848]  ? kasan_check_write+0x14/0x20
[  406.706095]  ? do_raw_spin_lock+0xc1/0x200
[  406.710341]  do_exit+0xe6f/0x2610
[  406.713812]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  406.718844]  ? mm_update_next_owner+0x990/0x990
[  406.723531]  ? print_usage_bug+0xc0/0xc0
[  406.727590]  ? graph_lock+0x170/0x170
[  406.731402]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.736953]  ? check_preemption_disabled+0x48/0x200
[  406.741973]  ? check_preemption_disabled+0x48/0x200
[  406.746996]  ? print_usage_bug+0xc0/0xc0
[  406.751066]  ? __lock_acquire+0x7ec/0x4ec0
[  406.755313]  ? __lock_acquire+0x7ec/0x4ec0
[  406.759567]  ? mark_held_locks+0x130/0x130
[  406.763814]  ? mark_held_locks+0x130/0x130
[  406.768049]  ? kasan_check_write+0x14/0x20
[  406.772284]  ? finish_task_switch+0x2f5/0x900
[  406.776788]  ? __switch_to_asm+0x40/0x70
[  406.780855]  ? __switch_to_asm+0x34/0x70
[  406.784931]  ? __switch_to_asm+0x34/0x70
[  406.788996]  ? __switch_to_asm+0x40/0x70
[  406.793060]  ? __switch_to_asm+0x34/0x70
[  406.797129]  ? __switch_to_asm+0x40/0x70
[  406.801189]  ? __switch_to_asm+0x34/0x70
[  406.805251]  ? __switch_to_asm+0x34/0x70
[  406.809316]  ? __switch_to_asm+0x34/0x70
[  406.813388]  ? __switch_to_asm+0x34/0x70
[  406.817450]  ? __switch_to_asm+0x40/0x70
[  406.821512]  ? __switch_to_asm+0x34/0x70
[  406.825583]  ? __switch_to_asm+0x40/0x70
[  406.829659]  ? graph_lock+0x170/0x170
[  406.833463]  ? graph_lock+0x170/0x170
[  406.837267]  ? graph_lock+0x170/0x170
[  406.841075]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  406.846614]  ? wait_consider_task+0x245/0x3bb0
[  406.851200]  ? memset+0x31/0x40
[  406.854491]  ? find_held_lock+0x36/0x1c0
[  406.858563]  ? get_signal+0x95b/0x1980
[  406.862460]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.866957]  ? _raw_spin_unlock_irq+0x27/0x80
[  406.871463]  do_group_exit+0x177/0x440
[  406.875363]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  406.880831]  ? __ia32_sys_exit+0x50/0x50
[  406.884914]  get_signal+0x8b0/0x1980
[  406.888641]  ? ptrace_notify+0x130/0x130
[  406.892706]  ? do_wait+0x57d/0xb90
[  406.896253]  ? wait_consider_task+0x3bb0/0x3bb0
[  406.900941]  ? graph_lock+0x170/0x170
[  406.904742]  ? graph_lock+0x170/0x170
[  406.908548]  ? graph_lock+0x170/0x170
[  406.912386]  do_signal+0x9c/0x21e0
[  406.915931]  ? find_held_lock+0x36/0x1c0
[  406.920006]  ? setup_sigcontext+0x7d0/0x7d0
[  406.924330]  ? kernel_wait4+0x2e0/0x3f0
[  406.928318]  ? __ia32_sys_waitid+0x140/0x140
[  406.932755]  ? task_stopped_code+0x190/0x190
[  406.937174]  ? exit_to_usermode_loop+0x8c/0x380
[  406.941859]  ? __do_page_fault+0x4a6/0xed0
[  406.946100]  ? do_syscall_64+0x9a/0x820
[  406.950076]  ? do_syscall_64+0x9a/0x820
[  406.954062]  exit_to_usermode_loop+0x2e5/0x380
[  406.958650]  ? syscall_slow_exit_work+0x520/0x520
[  406.963506]  do_syscall_64+0x6be/0x820
[  406.967409]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  406.972775]  ? syscall_return_slowpath+0x5e0/0x5e0
[  406.977712]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.982566]  ? trace_hardirqs_on_caller+0x310/0x310
[  406.987586]  ? prepare_exit_to_usermode+0x291/0x3b0
[  406.992619]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  406.997473]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  407.002662] RIP: 0033:0x41124a
[  407.005867] Code: Bad RIP value.
[  407.009237] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  407.016949] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  407.024214] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  407.031481] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  407.038756] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  407.046020] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  407.053318] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  407.053325] warn_alloc_show_mem: 1 callbacks suppressed
[  407.053332] Mem-Info:
[  407.060610] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  407.065996] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  407.065996]  active_file:8 inactive_file:19 isolated_file:0
[  407.065996]  unevictable:0 dirty:0 writeback:0 unstable:0
[  407.065996]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  407.065996]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  407.065996]  free:13709 free_pcp:257 free_cma:0
[  407.068372] Call Trace:
[  407.077761] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  407.110694]  <IRQ>
[  407.113281] Node 0 
[  407.140951]  dump_stack+0x1c4/0x2b4
[  407.143106] 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
[  407.145319]  ? dump_stack_print_info.cold.2+0x52/0x52
[  407.148918] lowmem_reserve[]: 0
[  407.174436]  warn_alloc.cold.119+0xb7/0x1bd
[  407.179595]  2819
[  407.182872]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  407.187172]  6323
[  407.189250]  ? lock_downgrade+0x900/0x900
[  407.194059]  6323
[  407.196130]  ? trace_hardirqs_off+0xb8/0x310
[  407.200248] Node 0 
[  407.202308]  ? trace_hardirqs_off+0xb8/0x310
[  407.206714] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  407.208927]  __alloc_pages_slowpath+0x2667/0x2d80
[  407.213308] lowmem_reserve[]:
[  407.240056]  ? warn_alloc+0x120/0x120
[  407.244851]  0
[  407.247956]  ? lock_release+0x970/0x970
[  407.251733]  0
[  407.253547]  ? warn_alloc+0x120/0x120
[  407.257499]  3503
[  407.259301]  ? print_usage_bug+0xc0/0xc0
[  407.263083]  3503
[  407.265153]  ? warn_alloc+0x120/0x120
[  407.271251]  ? print_usage_bug+0xc0/0xc0
[  407.275029] Node 0 Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  407.279129]  ? __lock_acquire+0x7ec/0x4ec0
[  407.279146]  ? __lock_acquire+0x7ec/0x4ec0
[  407.308103] lowmem_reserve[]: 0
[  407.312364]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.316562]  0
[  407.319842]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  407.325363]  0
[  407.327170]  ? should_fail+0x22d/0xd01
[  407.332683]  0
[  407.334486]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.338361] Node 0 
[  407.340168]  ? __lock_acquire+0x7ec/0x4ec0
[  407.345247] DMA: 
[  407.347483]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  407.351693] 1*4kB 
[  407.353762]  ? __lock_acquire+0x7ec/0x4ec0
[  407.358855] (U) 
[  407.361014]  ? should_fail+0x22d/0xd01
[  407.365224] 0*8kB 
[  407.367200]  ? mark_held_locks+0x130/0x130
[  407.371063] 0*16kB 
[  407.373210]  ? mark_held_locks+0x130/0x130
[  407.377417] 1*32kB (U) 
[  407.379670]  ? graph_lock+0x170/0x170
[  407.383887] 2*64kB 
[  407.386466]  ? print_usage_bug+0xc0/0xc0
[  407.390241] (U) 
[  407.392478]  ? graph_lock+0x170/0x170
[  407.396531] 1*128kB 
[  407.398499]  ? print_usage_bug+0xc0/0xc0
[  407.402277] (U) 
[  407.404599]  ? wq_watchdog_touch+0x9c/0xfe
[  407.408645] 1*256kB 
[  407.410619]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.414842] (U) 
[  407.417185]  ? check_preemption_disabled+0x48/0x200
[  407.422693] 0*512kB 
[  407.424668]  ? check_preemption_disabled+0x48/0x200
[  407.429659] 1*1024kB 
[  407.431983]  ? __lock_is_held+0xb5/0x140
[  407.436968] (U) 
[  407.439391]  __alloc_pages_nodemask+0xa80/0xde0
[  407.443419] 1*2048kB 
[  407.445394]  ? graph_lock+0x170/0x170
[  407.450035] (M) 
[  407.452442]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  407.456216] 3*4096kB 
[  407.458186]  ? graph_lock+0x170/0x170
[  407.463178] (M) 
[  407.465607]  ? find_held_lock+0x36/0x1c0
[  407.469410] = 15908kB
[  407.471405]  ? ____cache_alloc_node+0x1c7/0x1e0
[  407.475437] Node 0 
[  407.477858]  ? lock_downgrade+0x900/0x900
[  407.482507] DMA32: 
[  407.484764]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.488886] 4*4kB 
[  407.491121]  cache_grow_begin+0x91/0x8c0
[  407.496658] (UM) 
[  407.498818]  ? do_raw_spin_unlock+0xa7/0x2f0
[  407.502868] 2*8kB 
[  407.504934]  fallback_alloc+0x203/0x2e0
[  407.509330] (UM) 
[  407.511485]  ____cache_alloc_node+0x1c7/0x1e0
[  407.515437] 2*16kB 
[  407.517497]  kmem_cache_alloc_node+0xe3/0x730
[  407.521964] (M) 
[  407.524196]  ? ipv6_get_ifaddr+0x42e/0x620
[  407.528665] 3*32kB 
[  407.530641]  __alloc_skb+0x119/0x770
[  407.534845] (UM) 
[  407.537093]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  407.540798] 5*64kB 
[  407.542863]  ? skb_scrub_packet+0x490/0x490
[  407.548121] (UM) 
[  407.550362]  ? lock_downgrade+0x900/0x900
[  407.554652] 4*128kB 
[  407.556719]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.560838] (UM) 4*256kB 
[  407.563175]  ? refcount_sub_and_test_checked+0x203/0x310
[  407.568684] (UM) 
[  407.571442]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  407.576869] 3*512kB 
[  407.578933]  ? addrconf_rs_timer+0x690/0x690
[  407.584385] (M) 
[  407.586715]  ndisc_alloc_skb+0x144/0x340
[  407.591090] 3*1024kB (UM) 
[  407.593074]  ndisc_send_rs+0x331/0x6e0
[  407.597116] 3*2048kB 
[  407.599955]  addrconf_rs_timer+0x314/0x690
[  407.603820] (M) 
[  407.606240]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.610466] 3*4096kB 
[  407.612449]  call_timer_fn+0x272/0x920
[  407.616651] (M) 
[  407.619056]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.622923] = 25056kB
[  407.624901]  ? process_timeout+0x40/0x40
[  407.629141] Node 0 
[  407.631546]  ? find_held_lock+0x36/0x1c0
[  407.635581] Normal: 
[  407.637814]  ? __run_timers+0x7da/0xc70
[  407.641848] 798*4kB 
[  407.644202]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.648158] (ME) 471*8kB 
[  407.650491]  ? _raw_spin_unlock_irq+0x27/0x80
[  407.654959] (UME) 
[  407.657722]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.662191] 208*16kB (UME) 
[  407.664346]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  407.668557] 76*32kB 
[  407.671507]  ? trace_hardirqs_on+0xbd/0x310
[  407.676064] (UME) 
[  407.678411]  ? kasan_check_read+0x11/0x20
[  407.682708] 4*64kB 
[  407.684862]  ? __run_timers+0x7da/0xc70
[  407.688987] (M) 
[  407.691218]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  407.695165] 1*128kB 
[  407.697135]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.702559] (U) 
[  407.704879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  407.709097] 1*256kB 
[  407.711070]  __run_timers+0x7e5/0xc70
[  407.715281] (U) 
[  407.717607]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  407.721376] 1*512kB 
[  407.723348]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  407.728688] (U) 
[  407.731004]  ? graph_lock+0x170/0x170
[  407.735994] 0*1024kB 0*2048kB 
[  407.737979]  ? enqueue_hrtimer+0x1a5/0x560
[  407.741750] 0*4096kB = 13872kB
[  407.744942]  ? lock_release+0x970/0x970
[  407.749157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  407.752339]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  407.756296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  407.765123]  ? find_held_lock+0x36/0x1c0
[  407.770286] 1299 total pagecache pages
[  407.778865]  ? graph_lock+0x170/0x170
[  407.782910] 0 pages in swap cache
[  407.786788]  ? pvclock_read_flags+0x160/0x160
[  407.790566] Swap cache stats: add 0, delete 0, find 0/0
[  407.794016]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.798488] Free swap  = 0kB
[  407.803848]  ? check_preemption_disabled+0x48/0x200
[  407.809366] Total swap = 0kB
[  407.812399]  ? __lock_is_held+0xb5/0x140
[  407.817399] 1965979 pages RAM
[  407.820418]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.824456] 0 pages HighMem/MovableOnly
[  407.827563]  ? check_preemption_disabled+0x48/0x200
[  407.833077] 342306 pages reserved
[  407.837048]  run_timer_softirq+0x52/0xb0
[  407.842061] 0 pages cma reserved
[  407.845508]  ? rcu_read_lock_sched_held+0x108/0x120
[  407.849628] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  407.852897]  __do_softirq+0x30b/0xad8
[  407.852933]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  407.858016] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  407.864421]  ? pvclock_read_flags+0x160/0x160
[  407.868200] syz-executor1 cpuset=
[  407.873296]  ? lapic_next_event+0x5a/0x90
[  407.883757] /
[  407.888259]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.891703]  mems_allowed=0
[  407.895846]  ? check_preemption_disabled+0x48/0x200
[  407.910975]  ? check_preemption_disabled+0x48/0x200
[  407.916001]  ? kvm_clock_read+0x18/0x30
[  407.919977]  ? kvm_sched_clock_read+0x9/0x20
[  407.924396]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.929940]  ? check_preemption_disabled+0x48/0x200
[  407.934969]  irq_exit+0x17f/0x1c0
[  407.938423]  smp_apic_timer_interrupt+0x1cb/0x760
[  407.943263]  ? smp_reschedule_interrupt+0x109/0x650
[  407.948279]  ? smp_call_function_single_interrupt+0x650/0x650
[  407.954178]  ? interrupt_entry+0xb5/0xf0
[  407.958239]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.963252]  ? trace_hardirqs_off_caller+0xbb/0x310
[  407.968268]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  407.973112]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.978127]  ? trace_hardirqs_on_caller+0x310/0x310
[  407.983146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.988681]  ? check_preemption_disabled+0x48/0x200
[  407.993699]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  407.999242]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.004108]  apic_timer_interrupt+0xf/0x20
[  408.008341]  </IRQ>
[  408.010596] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  408.015545] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  408.034451] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.042163] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  408.049433] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  408.056701] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  408.063968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  408.071232] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  408.078970]  skb_clone+0x1bb/0x500
[  408.082523]  ? finish_task_switch+0x1b5/0x900
[  408.087019]  ? skb_split+0x11e0/0x11e0
[  408.090923]  ? preempt_notifier_register+0x200/0x200
[  408.096026]  ? __switch_to_asm+0x34/0x70
[  408.100086]  ? __switch_to_asm+0x34/0x70
[  408.104146]  ? __switch_to_asm+0x40/0x70
[  408.108204]  ? __switch_to_asm+0x34/0x70
[  408.112262]  ? __switch_to_asm+0x40/0x70
[  408.116322]  ? __switch_to_asm+0x34/0x70
[  408.120389]  ? __switch_to_asm+0x40/0x70
[  408.124449]  ? __switch_to_asm+0x34/0x70
[  408.128530]  ? __switch_to_asm+0x34/0x70
[  408.132589]  ? __switch_to_asm+0x40/0x70
[  408.136670]  ? __switch_to_asm+0x34/0x70
[  408.140742]  bpf_clone_redirect+0xb9/0x490
[  408.144982]  ? __schedule+0x874/0x1ed0
[  408.148877]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  408.153983]  ? __sched_text_start+0x8/0x8
[  408.158136]  ? lockdep_hardirqs_on+0x421/0x5c0
[  408.162720]  ? retint_kernel+0x2d/0x2d
[  408.166613]  ? trace_hardirqs_on_caller+0xc0/0x310
[  408.171577]  ? find_held_lock+0x36/0x1c0
[  408.175649]  ? lock_acquire+0x1ed/0x520
[  408.179625]  ? bpf_test_run+0x3cb/0x780
[  408.183826]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.189367]  ? check_preemption_disabled+0x48/0x200
[  408.194401]  ? kasan_check_read+0x11/0x20
[  408.198556]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  408.203849]  ? rcu_bh_qs+0xc0/0xc0
[  408.207394]  ? preempt_schedule+0x4d/0x60
[  408.211545]  ? ___preempt_schedule+0x16/0x18
[  408.215965]  ? bpf_test_run+0x25d/0x780
[  408.219963]  ? netlink_diag_dump+0x2a0/0x2a0
[  408.224373]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.229925]  ? bpf_test_init.isra.9+0x70/0x100
[  408.234515]  ? bpf_prog_test_run_skb+0x634/0xb40
[  408.239283]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  408.244126]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  408.249662]  ? fput+0x130/0x1a0
[  408.252944]  ? __bpf_prog_get+0x9b/0x290
[  408.257012]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  408.261858]  ? bpf_prog_test_run+0x130/0x1a0
[  408.266269]  ? __x64_sys_bpf+0x3d8/0x510
[  408.270330]  ? bpf_prog_get+0x20/0x20
[  408.274149]  ? do_syscall_64+0x1b9/0x820
[  408.278211]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  408.283576]  ? syscall_return_slowpath+0x5e0/0x5e0
[  408.288519]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.293559]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  408.298578]  ? recalc_sigpending_tsk+0x180/0x180
[  408.303334]  ? kasan_check_write+0x14/0x20
[  408.307575]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.312436]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  408.317819] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  408.317953] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  408.325098] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  408.325107] Call Trace:
[  408.331716] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  408.340927]  <IRQ>
[  408.343497] syz-executor4 cpuset=
[  408.353977]  dump_stack+0x1c4/0x2b4
[  408.356102] syz4
[  408.359569]  ? dump_stack_print_info.cold.2+0x52/0x52
[  408.363172]  mems_allowed=0
[  408.365154]  warn_alloc.cold.119+0xb7/0x1bd
[  408.377539]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  408.382391]  ? lock_downgrade+0x900/0x900
[  408.386548]  ? trace_hardirqs_off+0xb8/0x310
[  408.390991]  ? trace_hardirqs_off+0xb8/0x310
[  408.395457]  __alloc_pages_slowpath+0x2667/0x2d80
[  408.400349]  ? warn_alloc+0x120/0x120
[  408.404159]  ? trace_hardirqs_on+0x310/0x310
[  408.408567]  ? warn_alloc+0x120/0x120
[  408.412378]  ? print_usage_bug+0xc0/0xc0
[  408.416441]  ? warn_alloc+0x120/0x120
[  408.420239]  ? ktime_get+0x2e1/0x440
[  408.423967]  ? print_usage_bug+0xc0/0xc0
[  408.428028]  ? __lock_acquire+0x7ec/0x4ec0
[  408.432273]  ? __lock_acquire+0x7ec/0x4ec0
[  408.436508]  ? kasan_check_read+0x11/0x20
[  408.440675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.446227]  ? should_fail+0x22d/0xd01
[  408.450113]  ? rcu_bh_qs+0xc0/0xc0
[  408.453670]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.458770]  ? __lock_acquire+0x7ec/0x4ec0
[  408.463008]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  408.468120]  ? __lock_acquire+0x7ec/0x4ec0
[  408.472350]  ? should_fail+0x22d/0xd01
[  408.476298]  ? rcu_idle_enter+0x4b0/0x4b0
[  408.480457]  ? mark_held_locks+0x130/0x130
[  408.484698]  ? mark_held_locks+0x130/0x130
[  408.488936]  ? mark_held_locks+0xc7/0x130
[  408.493088]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  408.498102]  ? graph_lock+0x170/0x170
[  408.501913]  ? print_usage_bug+0xc0/0xc0
[  408.505975]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.511513]  ? check_preemption_disabled+0x48/0x200
[  408.516530]  ? check_preemption_disabled+0x48/0x200
[  408.521563]  ? __lock_is_held+0xb5/0x140
[  408.525636]  __alloc_pages_nodemask+0xa80/0xde0
[  408.530304]  ? graph_lock+0x170/0x170
[  408.534110]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  408.539127]  ? graph_lock+0x170/0x170
[  408.542937]  ? find_held_lock+0x36/0x1c0
[  408.547005]  ? ____cache_alloc_node+0x1c7/0x1e0
[  408.551700]  ? lock_downgrade+0x900/0x900
[  408.555874]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.561443]  cache_grow_begin+0x91/0x8c0
[  408.565510]  ? do_raw_spin_unlock+0xa7/0x2f0
[  408.569927]  fallback_alloc+0x203/0x2e0
[  408.573913]  ____cache_alloc_node+0x1c7/0x1e0
[  408.578419]  kmem_cache_alloc_node+0xe3/0x730
[  408.582916]  ? ipv6_get_ifaddr+0x42e/0x620
[  408.587157]  __alloc_skb+0x119/0x770
[  408.590867]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  408.596150]  ? skb_scrub_packet+0x490/0x490
[  408.600475]  ? lock_downgrade+0x900/0x900
[  408.604630]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.610167]  ? refcount_sub_and_test_checked+0x203/0x310
[  408.615618]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  408.621071]  ? addrconf_rs_timer+0x690/0x690
[  408.625500]  ndisc_alloc_skb+0x144/0x340
[  408.629579]  ndisc_send_rs+0x331/0x6e0
[  408.633478]  addrconf_rs_timer+0x314/0x690
[  408.637718]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.642005]  call_timer_fn+0x272/0x920
[  408.645894]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.650131]  ? process_timeout+0x40/0x40
[  408.654190]  ? find_held_lock+0x36/0x1c0
[  408.658259]  ? mark_held_locks+0xc7/0x130
[  408.662422]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.666944]  ? _raw_spin_unlock_irq+0x27/0x80
[  408.671442]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.675681]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  408.680263]  ? trace_hardirqs_on+0xbd/0x310
[  408.684587]  ? kasan_check_read+0x11/0x20
[  408.688735]  ? __run_timers+0x7da/0xc70
[  408.692751]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  408.698221]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  408.702458]  __run_timers+0x7e5/0xc70
[  408.706290]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  408.711677]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  408.716704]  ? graph_lock+0x170/0x170
[  408.720512]  ? print_usage_bug+0xc0/0xc0
[  408.724569]  ? lock_release+0x970/0x970
[  408.728555]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  408.733751]  ? find_held_lock+0x36/0x1c0
[  408.737821]  ? graph_lock+0x170/0x170
[  408.741647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.747188]  ? check_preemption_disabled+0x48/0x200
[  408.752217]  ? __lock_is_held+0xb5/0x140
[  408.756275]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.761809]  ? check_preemption_disabled+0x48/0x200
[  408.766832]  run_timer_softirq+0x52/0xb0
[  408.770915]  ? rcu_read_lock_sched_held+0x108/0x120
[  408.775930]  __do_softirq+0x30b/0xad8
[  408.779739]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  408.784849]  ? pvclock_read_flags+0x160/0x160
[  408.789345]  ? lapic_next_event+0x5a/0x90
[  408.793501]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.799043]  ? check_preemption_disabled+0x48/0x200
[  408.804060]  ? check_preemption_disabled+0x48/0x200
[  408.809098]  ? kvm_clock_read+0x18/0x30
[  408.813071]  ? kvm_sched_clock_read+0x9/0x20
[  408.817511]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.823049]  ? check_preemption_disabled+0x48/0x200
[  408.828080]  irq_exit+0x17f/0x1c0
[  408.831536]  smp_apic_timer_interrupt+0x1cb/0x760
[  408.836385]  ? smp_call_function_single_interrupt+0x650/0x650
[  408.842272]  ? interrupt_entry+0xb5/0xf0
[  408.846333]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.851359]  ? trace_hardirqs_off_caller+0xbb/0x310
[  408.856383]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.861230]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.866241]  ? trace_hardirqs_on_caller+0x310/0x310
[  408.871260]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.876797]  ? check_preemption_disabled+0x48/0x200
[  408.881812]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  408.887376]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  408.892228]  apic_timer_interrupt+0xf/0x20
[  408.896453]  </IRQ>
[  408.898693] RIP: 0010:lock_acquire+0x268/0x520
[  408.903280] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  408.922181] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  408.929905] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  408.937173] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  408.944451] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  408.951720] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  408.958988] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  408.966277]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  408.971817]  ? lock_release+0x970/0x970
[  408.975805]  ? activate_page+0x1040/0x1040
[  408.980041]  ? __unlock_page_memcg+0x53/0x100
[  408.984543]  ? check_preemption_disabled+0x48/0x200
[  408.989590]  lock_page_memcg+0x95/0x350
[  408.993563]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  408.998755]  ? rcu_bh_qs+0xc0/0xc0
[  409.002301]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  409.007507]  page_remove_rmap+0x855/0x1a30
[  409.011749]  ? page_add_file_rmap+0x1470/0x1470
[  409.016420]  ? __lock_is_held+0xb5/0x140
[  409.020499]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.026050]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.031583]  ? lru_add_drain_cpu+0x1c0/0x500
[  409.035997]  ? free_pages_and_swap_cache+0x475/0x6f0
[  409.041107]  ? free_page_and_swap_cache+0x950/0x950
[  409.046129]  ? kasan_check_read+0x11/0x20
[  409.050386]  ? page_mapcount+0x3b5/0x5d0
[  409.054488]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  409.059328]  ? lock_downgrade+0x900/0x900
[  409.063490]  ? lock_release+0x970/0x970
[  409.067469]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  409.072489]  ? _vm_normal_page+0x161/0x3c0
[  409.076750]  ? __pte_alloc_kernel+0x220/0x220
[  409.081266]  ? kasan_check_write+0x14/0x20
[  409.085506]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  409.090524]  ? __tlb_remove_page_size+0x187/0x500
[  409.095376]  unmap_page_range+0xf14/0x2030
[  409.099651]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  409.104171]  ? search_extable+0x80/0xb0
[  409.108142]  ? trim_init_extable+0x3a0/0x3a0
[  409.112545]  ? __get_user_8+0x21/0x2b
[  409.116346]  ? print_usage_bug+0xc0/0xc0
[  409.120425]  ? __lock_acquire+0x7ec/0x4ec0
[  409.124675]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  409.130234]  ? no_context+0xd9/0x980
[  409.133955]  ? lock_downgrade+0x900/0x900
[  409.138101]  ? graph_lock+0x170/0x170
[  409.141910]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.147449]  ? tlb_flush_mmu_free+0x135/0x1b0
[  409.151954]  ? find_held_lock+0x36/0x1c0
[  409.156028]  ? exit_mmap+0x4bb/0x590
[  409.159746]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.165283]  ? uprobe_munmap+0x14c/0x450
[  409.169347]  ? uprobe_mmap+0xd50/0xd50
[  409.173258]  ? lock_release+0x970/0x970
[  409.177235]  ? arch_local_save_flags+0x40/0x40
[  409.181826]  ? rwsem_down_write_failed+0xe/0x10
[  409.186517]  ? rwsem_down_write_failed+0xe/0x10
[  409.191190]  ? call_rwsem_down_write_failed+0x17/0x30
[  409.196386]  unmap_single_vma+0x19b/0x310
[  409.200549]  unmap_vmas+0x125/0x200
[  409.204182]  exit_mmap+0x2be/0x590
[  409.207723]  ? __ia32_sys_munmap+0x80/0x80
[  409.211978]  ? __might_sleep+0x95/0x190
[  409.215972]  mmput+0x247/0x610
[  409.219169]  ? lock_downgrade+0x900/0x900
[  409.223312]  ? set_mm_exe_file+0x200/0x200
[  409.227549]  ? kasan_check_read+0x11/0x20
[  409.231704]  ? do_raw_spin_unlock+0xa7/0x2f0
[  409.236127]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  409.240714]  ? kasan_check_write+0x14/0x20
[  409.244946]  ? do_raw_spin_lock+0xc1/0x200
[  409.249186]  do_exit+0xe6f/0x2610
[  409.252650]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  409.257688]  ? mm_update_next_owner+0x990/0x990
[  409.262384]  ? print_usage_bug+0xc0/0xc0
[  409.266445]  ? graph_lock+0x170/0x170
[  409.270249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.275788]  ? check_preemption_disabled+0x48/0x200
[  409.280807]  ? check_preemption_disabled+0x48/0x200
[  409.285817]  ? print_usage_bug+0xc0/0xc0
[  409.289896]  ? __lock_acquire+0x7ec/0x4ec0
[  409.294139]  ? __lock_acquire+0x7ec/0x4ec0
[  409.298421]  ? mark_held_locks+0x130/0x130
[  409.302673]  ? mark_held_locks+0x130/0x130
[  409.306914]  ? kasan_check_write+0x14/0x20
[  409.311170]  ? finish_task_switch+0x2f5/0x900
[  409.315669]  ? __switch_to_asm+0x40/0x70
[  409.319736]  ? __switch_to_asm+0x34/0x70
[  409.323801]  ? __switch_to_asm+0x34/0x70
[  409.327858]  ? __switch_to_asm+0x40/0x70
[  409.331917]  ? __switch_to_asm+0x34/0x70
[  409.335975]  ? __switch_to_asm+0x40/0x70
[  409.340037]  ? __switch_to_asm+0x34/0x70
[  409.344094]  ? __switch_to_asm+0x34/0x70
[  409.348155]  ? __switch_to_asm+0x34/0x70
[  409.352212]  ? __switch_to_asm+0x34/0x70
[  409.356271]  ? __switch_to_asm+0x40/0x70
[  409.360339]  ? __switch_to_asm+0x34/0x70
[  409.364414]  ? __switch_to_asm+0x40/0x70
[  409.368492]  ? graph_lock+0x170/0x170
[  409.372291]  ? graph_lock+0x170/0x170
[  409.376109]  ? graph_lock+0x170/0x170
[  409.379923]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.385465]  ? wait_consider_task+0x245/0x3bb0
[  409.390054]  ? memset+0x31/0x40
[  409.393339]  ? find_held_lock+0x36/0x1c0
[  409.397418]  ? get_signal+0x95b/0x1980
[  409.401311]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.405827]  ? _raw_spin_unlock_irq+0x27/0x80
[  409.410375]  do_group_exit+0x177/0x440
[  409.414276]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  409.419722]  ? __ia32_sys_exit+0x50/0x50
[  409.423790]  get_signal+0x8b0/0x1980
[  409.427524]  ? ptrace_notify+0x130/0x130
[  409.431585]  ? do_wait+0x57d/0xb90
[  409.435134]  ? wait_consider_task+0x3bb0/0x3bb0
[  409.439801]  ? graph_lock+0x170/0x170
[  409.443599]  ? graph_lock+0x170/0x170
[  409.447404]  ? graph_lock+0x170/0x170
[  409.451228]  do_signal+0x9c/0x21e0
[  409.454770]  ? find_held_lock+0x36/0x1c0
[  409.458840]  ? setup_sigcontext+0x7d0/0x7d0
[  409.463162]  ? kernel_wait4+0x2e0/0x3f0
[  409.467145]  ? __ia32_sys_waitid+0x140/0x140
[  409.471562]  ? task_stopped_code+0x190/0x190
[  409.475974]  ? exit_to_usermode_loop+0x8c/0x380
[  409.480660]  ? __do_page_fault+0x4a6/0xed0
[  409.484901]  ? do_syscall_64+0x9a/0x820
[  409.488876]  ? do_syscall_64+0x9a/0x820
[  409.492862]  exit_to_usermode_loop+0x2e5/0x380
[  409.497458]  ? syscall_slow_exit_work+0x520/0x520
[  409.502329]  do_syscall_64+0x6be/0x820
[  409.506222]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  409.511585]  ? syscall_return_slowpath+0x5e0/0x5e0
[  409.516511]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.521361]  ? trace_hardirqs_on_caller+0x310/0x310
[  409.526411]  ? prepare_exit_to_usermode+0x291/0x3b0
[  409.531448]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  409.536296]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  409.541483] RIP: 0033:0x41124a
[  409.544673] Code: Bad RIP value.
[  409.548033] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  409.555758] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  409.563027] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  409.570293] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  409.577558] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  409.584824] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  409.592137] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  409.592142] warn_alloc_show_mem: 1 callbacks suppressed
[  409.592150] Mem-Info:
[  409.599431] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  409.604800] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  409.604800]  active_file:8 inactive_file:19 isolated_file:0
[  409.604800]  unevictable:0 dirty:0 writeback:0 unstable:0
[  409.604800]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  409.604800]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  409.604800]  free:13709 free_pcp:257 free_cma:0
[  409.607188] Call Trace:
[  409.616585] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  409.649530]  <IRQ>
[  409.652100] Node 0 
[  409.679770]  dump_stack+0x1c4/0x2b4
[  409.681919] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  409.684129]  ? dump_stack_print_info.cold.2+0x52/0x52
[  409.687726] lowmem_reserve[]: 0
[  409.713246]  warn_alloc.cold.119+0xb7/0x1bd
[  409.718405]  2819
[  409.721676]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  409.725974]  6323
[  409.728035]  ? lock_downgrade+0x900/0x900
[  409.732852]  6323
[  409.734919]  ? trace_hardirqs_off+0xb8/0x310
[  409.739053] Node 0 
[  409.741118]  ? trace_hardirqs_off+0xb8/0x310
[  409.745539] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  409.747754]  __alloc_pages_slowpath+0x2667/0x2d80
[  409.752124] lowmem_reserve[]: 0
[  409.778891]  ? warn_alloc+0x120/0x120
[  409.783693]  0
[  409.786977]  ? trace_hardirqs_on+0x310/0x310
[  409.790769]  3503
[  409.792565]  ? warn_alloc+0x120/0x120
[  409.796963]  3503
[  409.799159]  ? print_usage_bug+0xc0/0xc0
[  409.805004]  ? warn_alloc+0x120/0x120
[  409.809056] Node 0 
[  409.812844]  ? ktime_get+0x2e1/0x440
[  409.812879] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  409.815086]  ? print_usage_bug+0xc0/0xc0
[  409.818768] lowmem_reserve[]: 0
[  409.847142]  ? __lock_acquire+0x7ec/0x4ec0
[  409.851180]  0 0
[  409.854470]  ? __lock_acquire+0x7ec/0x4ec0
[  409.858679]  0
[  409.860660]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  409.864873] Node 0 
[  409.866677]  ? should_fail+0x22d/0xd01
[  409.872187] DMA: 1*4kB 
[  409.874441]  ? __lock_acquire+0x7ec/0x4ec0
[  409.878316] (U) 
[  409.880907]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.885130] 0*8kB 
[  409.887103]  ? __lock_acquire+0x7ec/0x4ec0
[  409.892186] 0*16kB 
[  409.894348]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  409.898560] 1*32kB (U) 
[  409.900808]  ? __lock_acquire+0x7ec/0x4ec0
[  409.905887] 2*64kB (U) 
[  409.908483]  ? should_fail+0x22d/0xd01
[  409.912694] 1*128kB 
[  409.915279]  ? mark_held_locks+0x130/0x130
[  409.919142] (U) 
[  409.921464]  ? mark_held_locks+0x130/0x130
[  409.925678] 1*256kB 
[  409.927653]  ? graph_lock+0x170/0x170
[  409.931864] (U) 
[  409.934183]  ? print_usage_bug+0xc0/0xc0
[  409.937961] 0*512kB 
[  409.939936]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  409.943966] 1*1024kB (U) 
[  409.946301]  ? check_preemption_disabled+0x48/0x200
[  409.951815] 1*2048kB 
[  409.954569]  ? check_preemption_disabled+0x48/0x200
[  409.959564] (M) 
[  409.961977]  ? __lock_is_held+0xb5/0x140
[  409.966963] 3*4096kB 
[  409.968942]  __alloc_pages_nodemask+0xa80/0xde0
[  409.972975] (M) 
[  409.975388]  ? graph_lock+0x170/0x170
[  409.980032] = 15908kB
[  409.982008]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  409.985786] Node 0 
[  409.988192]  ? graph_lock+0x170/0x170
[  409.993185] DMA32: 
[  409.995427]  ? find_held_lock+0x36/0x1c0
[  409.999201] 4*4kB 
[  410.001442]  ? ____cache_alloc_node+0x1c7/0x1e0
[  410.005476] (UM) 
[  410.007621]  ? lock_downgrade+0x900/0x900
[  410.012268] 2*8kB 
[  410.014332]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.018452] (UM) 
[  410.020602]  cache_grow_begin+0x91/0x8c0
[  410.026115] 2*16kB 
[  410.028178]  ? do_raw_spin_unlock+0xa7/0x2f0
[  410.032223] (M) 
[  410.034469]  fallback_alloc+0x203/0x2e0
[  410.038853] 3*32kB 
[  410.040826]  ____cache_alloc_node+0x1c7/0x1e0
[  410.044772] (UM) 
[  410.047009]  kmem_cache_alloc_node+0xe3/0x730
[  410.051479] 5*64kB 
[  410.053544]  ? ipv6_get_ifaddr+0x42e/0x620
[  410.058013] (UM) 
[  410.060265]  __alloc_skb+0x119/0x770
[  410.064475] 4*128kB 
[  410.066537]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  410.070222] (UM) 
[  410.072542]  ? skb_scrub_packet+0x490/0x490
[  410.077921] 4*256kB (UM) 
[  410.079993]  ? lock_downgrade+0x900/0x900
[  410.084291] 3*512kB 
[  410.087073]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.091231] (M) 
[  410.093557]  ? refcount_sub_and_test_checked+0x203/0x310
[  410.099071] 3*1024kB 
[  410.101040]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  410.106480] (UM) 
[  410.108888]  ? addrconf_rs_timer+0x690/0x690
[  410.114322] 3*2048kB 
[  410.116405]  ndisc_alloc_skb+0x144/0x340
[  410.120778] (M) 
[  410.123200]  ndisc_send_rs+0x331/0x6e0
[  410.127241] 3*4096kB 
[  410.129213]  addrconf_rs_timer+0x314/0x690
[  410.133168] (M) 
[  410.135596]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.139810] = 25056kB
[  410.141806]  call_timer_fn+0x272/0x920
[  410.146001] Node 0 Normal: 798*4kB (ME) 471*8kB (UME) 208*16kB (UME) 76*32kB (UME) 4*64kB (M) 1*128kB (U) 1*256kB (U) 1*512kB (U) 0*1024kB 0*2048kB 0*4096kB = 13872kB
[  410.146066] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  410.146072] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  410.146075] 1299 total pagecache pages
[  410.146084] 0 pages in swap cache
[  410.146089] Swap cache stats: add 0, delete 0, find 0/0
[  410.146092] Free swap  = 0kB
[  410.146095] Total swap = 0kB
[  410.146098] 1965979 pages RAM
[  410.146101] 0 pages HighMem/MovableOnly
[  410.146104] 342306 pages reserved
[  410.146107] 0 pages cma reserved
[  410.146180] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.146230] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.146234] syz-executor1 cpuset=/ mems_allowed=0
[  410.239430]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.243671]  ? process_timeout+0x40/0x40
[  410.247735]  ? find_held_lock+0x36/0x1c0
[  410.251831]  ? __run_timers+0x7da/0xc70
[  410.255829]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.260321]  ? _raw_spin_unlock_irq+0x27/0x80
[  410.264826]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.269057]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  410.273643]  ? trace_hardirqs_on+0xbd/0x310
[  410.277967]  ? kasan_check_read+0x11/0x20
[  410.282114]  ? __run_timers+0x7da/0xc70
[  410.286095]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  410.291568]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  410.295827]  __run_timers+0x7e5/0xc70
[  410.299653]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  410.305018]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  410.310037]  ? graph_lock+0x170/0x170
[  410.313839]  ? enqueue_hrtimer+0x1a5/0x560
[  410.318081]  ? lock_release+0x970/0x970
[  410.322057]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  410.327252]  ? find_held_lock+0x36/0x1c0
[  410.331318]  ? graph_lock+0x170/0x170
[  410.335117]  ? pvclock_read_flags+0x160/0x160
[  410.339642]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.345181]  ? check_preemption_disabled+0x48/0x200
[  410.350212]  ? __lock_is_held+0xb5/0x140
[  410.354276]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.359822]  ? check_preemption_disabled+0x48/0x200
[  410.364844]  run_timer_softirq+0x52/0xb0
[  410.368902]  ? rcu_read_lock_sched_held+0x108/0x120
[  410.373915]  __do_softirq+0x30b/0xad8
[  410.377726]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  410.382842]  ? pvclock_read_flags+0x160/0x160
[  410.387338]  ? lapic_next_event+0x5a/0x90
[  410.391485]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.397021]  ? check_preemption_disabled+0x48/0x200
[  410.402064]  ? check_preemption_disabled+0x48/0x200
[  410.407098]  ? kvm_clock_read+0x18/0x30
[  410.411071]  ? kvm_sched_clock_read+0x9/0x20
[  410.415478]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.421011]  ? check_preemption_disabled+0x48/0x200
[  410.426055]  irq_exit+0x17f/0x1c0
[  410.429522]  smp_apic_timer_interrupt+0x1cb/0x760
[  410.434363]  ? smp_reschedule_interrupt+0x109/0x650
[  410.439418]  ? smp_call_function_single_interrupt+0x650/0x650
[  410.445314]  ? interrupt_entry+0xb5/0xf0
[  410.449392]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.454421]  ? trace_hardirqs_off_caller+0xbb/0x310
[  410.459441]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.464286]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.469301]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.474320]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.479870]  ? check_preemption_disabled+0x48/0x200
[  410.484899]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.490451]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.495307]  apic_timer_interrupt+0xf/0x20
[  410.499535]  </IRQ>
[  410.501779] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  410.506709] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  410.525611] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  410.533333] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  410.540606] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  410.547871] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  410.555149] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  410.562427] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  410.569736]  skb_clone+0x1bb/0x500
[  410.573277]  ? finish_task_switch+0x1b5/0x900
[  410.577778]  ? skb_split+0x11e0/0x11e0
[  410.581670]  ? preempt_notifier_register+0x200/0x200
[  410.586776]  ? __switch_to_asm+0x34/0x70
[  410.590841]  ? __switch_to_asm+0x34/0x70
[  410.594902]  ? __switch_to_asm+0x40/0x70
[  410.598964]  ? __switch_to_asm+0x34/0x70
[  410.603024]  ? __switch_to_asm+0x40/0x70
[  410.607086]  ? __switch_to_asm+0x34/0x70
[  410.611142]  ? __switch_to_asm+0x40/0x70
[  410.615229]  ? __switch_to_asm+0x34/0x70
[  410.619305]  ? __switch_to_asm+0x34/0x70
[  410.623394]  ? __switch_to_asm+0x40/0x70
[  410.627461]  ? __switch_to_asm+0x34/0x70
[  410.631531]  bpf_clone_redirect+0xb9/0x490
[  410.635771]  ? __schedule+0x874/0x1ed0
[  410.639680]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  410.644698]  ? __sched_text_start+0x8/0x8
[  410.648848]  ? lockdep_hardirqs_on+0x421/0x5c0
[  410.653430]  ? retint_kernel+0x2d/0x2d
[  410.657344]  ? trace_hardirqs_on_caller+0xc0/0x310
[  410.662285]  ? find_held_lock+0x36/0x1c0
[  410.666365]  ? lock_acquire+0x1ed/0x520
[  410.670345]  ? bpf_test_run+0x3cb/0x780
[  410.674339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.679892]  ? check_preemption_disabled+0x48/0x200
[  410.684920]  ? kasan_check_read+0x11/0x20
[  410.689068]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  410.694343]  ? rcu_bh_qs+0xc0/0xc0
[  410.697881]  ? preempt_schedule+0x4d/0x60
[  410.702027]  ? ___preempt_schedule+0x16/0x18
[  410.706440]  ? bpf_test_run+0x25d/0x780
[  410.710431]  ? netlink_diag_dump+0x2a0/0x2a0
[  410.714840]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.720369]  ? bpf_test_init.isra.9+0x70/0x100
[  410.724960]  ? bpf_prog_test_run_skb+0x634/0xb40
[  410.729745]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  410.734583]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  410.740130]  ? fput+0x130/0x1a0
[  410.743414]  ? __bpf_prog_get+0x9b/0x290
[  410.747478]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  410.752336]  ? bpf_prog_test_run+0x130/0x1a0
[  410.756742]  ? __x64_sys_bpf+0x3d8/0x510
[  410.760803]  ? bpf_prog_get+0x20/0x20
[  410.764650]  ? do_syscall_64+0x1b9/0x820
[  410.768713]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  410.774075]  ? syscall_return_slowpath+0x5e0/0x5e0
[  410.779004]  ? trace_hardirqs_on_caller+0x310/0x310
[  410.784022]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  410.789034]  ? recalc_sigpending_tsk+0x180/0x180
[  410.793786]  ? kasan_check_write+0x14/0x20
[  410.798023]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  410.802868]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  410.808253] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  410.808336] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  410.815532] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  410.815541] Call Trace:
[  410.822117] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  410.831372]  <IRQ>
[  410.833950] syz-executor4 cpuset=
[  410.844434]  dump_stack+0x1c4/0x2b4
[  410.846559] syz4
[  410.850031]  ? dump_stack_print_info.cold.2+0x52/0x52
[  410.853658]  mems_allowed=0
[  410.855647]  warn_alloc.cold.119+0xb7/0x1bd
[  410.868042]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  410.872891]  ? lock_downgrade+0x900/0x900
[  410.877047]  ? trace_hardirqs_off+0xb8/0x310
[  410.881461]  ? trace_hardirqs_off+0xb8/0x310
[  410.885889]  __alloc_pages_slowpath+0x2667/0x2d80
[  410.890762]  ? warn_alloc+0x120/0x120
[  410.894565]  ? graph_lock+0x170/0x170
[  410.898393]  ? warn_alloc+0x120/0x120
[  410.902199]  ? print_usage_bug+0xc0/0xc0
[  410.906262]  ? warn_alloc+0x120/0x120
[  410.910065]  ? print_usage_bug+0xc0/0xc0
[  410.914130]  ? __lock_acquire+0x7ec/0x4ec0
[  410.918375]  ? __lock_acquire+0x7ec/0x4ec0
[  410.922620]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  410.928162]  ? should_fail+0x22d/0xd01
[  410.932056]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.937158]  ? __lock_acquire+0x7ec/0x4ec0
[  410.941399]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  410.946502]  ? __lock_acquire+0x7ec/0x4ec0
[  410.950739]  ? should_fail+0x22d/0xd01
[  410.954641]  ? mark_held_locks+0x130/0x130
[  410.958889]  ? mark_held_locks+0x130/0x130
[  410.963122]  ? do_raw_spin_unlock+0xa7/0x2f0
[  410.967534]  ? graph_lock+0x170/0x170
[  410.971333]  ? print_usage_bug+0xc0/0xc0
[  410.975404]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  410.980942]  ? check_preemption_disabled+0x48/0x200
[  410.985961]  ? check_preemption_disabled+0x48/0x200
[  410.990989]  ? __lock_is_held+0xb5/0x140
[  410.995050]  __alloc_pages_nodemask+0xa80/0xde0
[  410.999721]  ? graph_lock+0x170/0x170
[  411.003526]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  411.008539]  ? graph_lock+0x170/0x170
[  411.012351]  ? find_held_lock+0x36/0x1c0
[  411.016436]  ? ____cache_alloc_node+0x1c7/0x1e0
[  411.021108]  ? lock_downgrade+0x900/0x900
[  411.025270]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.030815]  cache_grow_begin+0x91/0x8c0
[  411.034878]  ? do_raw_spin_unlock+0xa7/0x2f0
[  411.039306]  fallback_alloc+0x203/0x2e0
[  411.043298]  ____cache_alloc_node+0x1c7/0x1e0
[  411.047814]  kmem_cache_alloc_node+0xe3/0x730
[  411.052314]  ? ipv6_get_ifaddr+0x42e/0x620
[  411.056564]  __alloc_skb+0x119/0x770
[  411.060285]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  411.065566]  ? skb_scrub_packet+0x490/0x490
[  411.069902]  ? lock_downgrade+0x900/0x900
[  411.074067]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.079626]  ? refcount_sub_and_test_checked+0x203/0x310
[  411.085090]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  411.090631]  ? addrconf_rs_timer+0x690/0x690
[  411.095059]  ndisc_alloc_skb+0x144/0x340
[  411.099128]  ndisc_send_rs+0x331/0x6e0
[  411.103022]  addrconf_rs_timer+0x314/0x690
[  411.107265]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.111518]  call_timer_fn+0x272/0x920
[  411.115419]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.119658]  ? process_timeout+0x40/0x40
[  411.123719]  ? find_held_lock+0x36/0x1c0
[  411.127832]  ? mark_held_locks+0xc7/0x130
[  411.131988]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.136483]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.140992]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.145231]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  411.149818]  ? trace_hardirqs_on+0xbd/0x310
[  411.154146]  ? kasan_check_read+0x11/0x20
[  411.158339]  ? __run_timers+0x7da/0xc70
[  411.162319]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.167773]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.172011]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  411.176252]  __run_timers+0x7e5/0xc70
[  411.180071]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  411.185437]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.190464]  ? graph_lock+0x170/0x170
[  411.194275]  ? print_usage_bug+0xc0/0xc0
[  411.198336]  ? lock_release+0x970/0x970
[  411.202324]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  411.207521]  ? find_held_lock+0x36/0x1c0
[  411.211590]  ? graph_lock+0x170/0x170
[  411.215410]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.220952]  ? check_preemption_disabled+0x48/0x200
[  411.225982]  ? __lock_is_held+0xb5/0x140
[  411.230041]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.235583]  ? check_preemption_disabled+0x48/0x200
[  411.240606]  run_timer_softirq+0x52/0xb0
[  411.244675]  ? rcu_read_lock_sched_held+0x108/0x120
[  411.249696]  __do_softirq+0x30b/0xad8
[  411.253509]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  411.258621]  ? pvclock_read_flags+0x160/0x160
[  411.263119]  ? lapic_next_event+0x5a/0x90
[  411.267265]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.272803]  ? check_preemption_disabled+0x48/0x200
[  411.277820]  ? check_preemption_disabled+0x48/0x200
[  411.282841]  ? kvm_clock_read+0x18/0x30
[  411.286837]  ? kvm_sched_clock_read+0x9/0x20
[  411.291247]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.296800]  ? check_preemption_disabled+0x48/0x200
[  411.301827]  irq_exit+0x17f/0x1c0
[  411.305297]  smp_apic_timer_interrupt+0x1cb/0x760
[  411.310145]  ? smp_call_function_single_interrupt+0x650/0x650
[  411.316032]  ? interrupt_entry+0xb5/0xf0
[  411.320095]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.325117]  ? trace_hardirqs_off_caller+0xbb/0x310
[  411.330134]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.334995]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.340007]  ? trace_hardirqs_on_caller+0x310/0x310
[  411.345020]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.350557]  ? check_preemption_disabled+0x48/0x200
[  411.355574]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.361120]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.365973]  apic_timer_interrupt+0xf/0x20
[  411.370202]  </IRQ>
[  411.372444] RIP: 0010:lock_acquire+0x268/0x520
[  411.377028] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  411.395928] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  411.403651] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  411.410921] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  411.418203] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  411.425473] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  411.432754] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  411.440054]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.445598]  ? lock_release+0x970/0x970
[  411.449576]  ? activate_page+0x1040/0x1040
[  411.453818]  ? __unlock_page_memcg+0x53/0x100
[  411.458325]  ? check_preemption_disabled+0x48/0x200
[  411.463350]  lock_page_memcg+0x95/0x350
[  411.467332]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  411.472542]  ? rcu_bh_qs+0xc0/0xc0
[  411.476087]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  411.481292]  page_remove_rmap+0x855/0x1a30
[  411.485532]  ? page_add_file_rmap+0x1470/0x1470
[  411.490207]  ? __lock_is_held+0xb5/0x140
[  411.494279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.499818]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  411.505354]  ? lru_add_drain_cpu+0x1c0/0x500
[  411.509815]  ? free_pages_and_swap_cache+0x475/0x6f0
[  411.514934]  ? free_page_and_swap_cache+0x950/0x950
[  411.519968]  ? kasan_check_read+0x11/0x20
[  411.524127]  ? page_mapcount+0x3b5/0x5d0
[  411.528189]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  411.533035]  ? lock_downgrade+0x900/0x900
[  411.537186]  ? lock_release+0x970/0x970
[  411.541164]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  411.546182]  ? _vm_normal_page+0x161/0x3c0
[  411.550434]  ? __pte_alloc_kernel+0x220/0x220
[  411.554932]  ? kasan_check_write+0x14/0x20
[  411.559171]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  411.564212]  ? __tlb_remove_page_size+0x187/0x500
[  411.569070]  unmap_page_range+0xf14/0x2030
[  411.573337]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  411.577837]  ? search_extable+0x80/0xb0
[  411.581838]  ? trim_init_extable+0x3a0/0x3a0
[  411.586275]  ? __get_user_8+0x21/0x2b
[  411.590080]  ? print_usage_bug+0xc0/0xc0
[  411.594147]  ? __lock_acquire+0x7ec/0x4ec0
[  411.598382]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  411.603922]  ? no_context+0xd9/0x980
[  411.607650]  ? lock_downgrade+0x900/0x900
[  411.611820]  ? graph_lock+0x170/0x170
[  411.615626]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.621163]  ? tlb_flush_mmu_free+0x135/0x1b0
[  411.625671]  ? find_held_lock+0x36/0x1c0
[  411.629763]  ? exit_mmap+0x4bb/0x590
[  411.633494]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  411.639031]  ? uprobe_munmap+0x14c/0x450
[  411.643122]  ? uprobe_mmap+0xd50/0xd50
[  411.647012]  ? lock_release+0x970/0x970
[  411.650992]  ? arch_local_save_flags+0x40/0x40
[  411.655580]  ? rwsem_down_write_failed+0xe/0x10
[  411.660247]  ? rwsem_down_write_failed+0xe/0x10
[  411.664923]  ? call_rwsem_down_write_failed+0x17/0x30
[  411.670128]  unmap_single_vma+0x19b/0x310
[  411.674282]  unmap_vmas+0x125/0x200
[  411.677912]  exit_mmap+0x2be/0x590
[  411.681447]  ? __ia32_sys_munmap+0x80/0x80
[  411.685694]  ? __might_sleep+0x95/0x190
[  411.689670]  mmput+0x247/0x610
[  411.692910]  ? lock_downgrade+0x900/0x900
[  411.697057]  ? set_mm_exe_file+0x200/0x200
[  411.701293]  ? kasan_check_read+0x11/0x20
[  411.705443]  ? do_raw_spin_unlock+0xa7/0x2f0
[  411.709866]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  411.714456]  ? kasan_check_write+0x14/0x20
[  411.718701]  ? do_raw_spin_lock+0xc1/0x200
[  411.722941]  do_exit+0xe6f/0x2610
[  411.726394]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  411.731438]  ? mm_update_next_owner+0x990/0x990
[  411.736112]  ? print_usage_bug+0xc0/0xc0
[  411.740176]  ? graph_lock+0x170/0x170
[  411.744011]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.749549]  ? check_preemption_disabled+0x48/0x200
[  411.754566]  ? check_preemption_disabled+0x48/0x200
[  411.759629]  ? print_usage_bug+0xc0/0xc0
[  411.763708]  ? __lock_acquire+0x7ec/0x4ec0
[  411.767950]  ? __lock_acquire+0x7ec/0x4ec0
[  411.772197]  ? mark_held_locks+0x130/0x130
[  411.776433]  ? mark_held_locks+0x130/0x130
[  411.780674]  ? kasan_check_write+0x14/0x20
[  411.784913]  ? finish_task_switch+0x2f5/0x900
[  411.789411]  ? __switch_to_asm+0x40/0x70
[  411.793480]  ? __switch_to_asm+0x34/0x70
[  411.797540]  ? __switch_to_asm+0x34/0x70
[  411.801597]  ? __switch_to_asm+0x40/0x70
[  411.805657]  ? __switch_to_asm+0x34/0x70
[  411.809740]  ? __switch_to_asm+0x40/0x70
[  411.813820]  ? __switch_to_asm+0x34/0x70
[  411.817891]  ? __switch_to_asm+0x34/0x70
[  411.821956]  ? __switch_to_asm+0x34/0x70
[  411.826018]  ? __switch_to_asm+0x34/0x70
[  411.830101]  ? __switch_to_asm+0x40/0x70
[  411.834182]  ? __switch_to_asm+0x34/0x70
[  411.838251]  ? __switch_to_asm+0x40/0x70
[  411.842321]  ? graph_lock+0x170/0x170
[  411.846122]  ? graph_lock+0x170/0x170
[  411.849939]  ? graph_lock+0x170/0x170
[  411.853755]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  411.859297]  ? wait_consider_task+0x245/0x3bb0
[  411.863889]  ? memset+0x31/0x40
[  411.867178]  ? find_held_lock+0x36/0x1c0
[  411.871252]  ? get_signal+0x95b/0x1980
[  411.875144]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.879643]  ? _raw_spin_unlock_irq+0x27/0x80
[  411.884150]  do_group_exit+0x177/0x440
[  411.888043]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  411.893502]  ? __ia32_sys_exit+0x50/0x50
[  411.897583]  get_signal+0x8b0/0x1980
[  411.901313]  ? ptrace_notify+0x130/0x130
[  411.905379]  ? do_wait+0x57d/0xb90
[  411.908948]  ? wait_consider_task+0x3bb0/0x3bb0
[  411.913616]  ? graph_lock+0x170/0x170
[  411.917418]  ? graph_lock+0x170/0x170
[  411.921227]  ? graph_lock+0x170/0x170
[  411.925052]  do_signal+0x9c/0x21e0
[  411.928595]  ? find_held_lock+0x36/0x1c0
[  411.932672]  ? setup_sigcontext+0x7d0/0x7d0
[  411.936993]  ? kernel_wait4+0x2e0/0x3f0
[  411.940970]  ? __ia32_sys_waitid+0x140/0x140
[  411.945388]  ? task_stopped_code+0x190/0x190
[  411.949805]  ? exit_to_usermode_loop+0x8c/0x380
[  411.954492]  ? __do_page_fault+0x4a6/0xed0
[  411.958730]  ? do_syscall_64+0x9a/0x820
[  411.962713]  ? do_syscall_64+0x9a/0x820
[  411.966695]  exit_to_usermode_loop+0x2e5/0x380
[  411.971279]  ? syscall_slow_exit_work+0x520/0x520
[  411.976141]  do_syscall_64+0x6be/0x820
[  411.980040]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  411.985435]  ? syscall_return_slowpath+0x5e0/0x5e0
[  411.990375]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  411.995225]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.000246]  ? prepare_exit_to_usermode+0x291/0x3b0
[  412.005267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.010132]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  412.015327] RIP: 0033:0x41124a
[  412.018533] Code: Bad RIP value.
[  412.021898] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  412.029609] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  412.037084] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  412.044367] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  412.051630] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  412.058894] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  412.066196] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  412.066202] warn_alloc_show_mem: 1 callbacks suppressed
[  412.066208] Mem-Info:
[  412.073478] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  412.078848] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  412.078848]  active_file:8 inactive_file:19 isolated_file:0
[  412.078848]  unevictable:0 dirty:0 writeback:0 unstable:0
[  412.078848]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  412.078848]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  412.078848]  free:13709 free_pcp:257 free_cma:0
[  412.081225] Call Trace:
[  412.090616] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  412.123564]  <IRQ>
[  412.126149] Node 0 
[  412.153857]  dump_stack+0x1c4/0x2b4
[  412.156010] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  412.158221]  ? dump_stack_print_info.cold.2+0x52/0x52
[  412.161835] lowmem_reserve[]: 0
[  412.187482]  warn_alloc.cold.119+0xb7/0x1bd
[  412.192647]  2819
[  412.195929]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  412.200226]  6323
[  412.202290]  ? lock_downgrade+0x900/0x900
[  412.207114]  6323
[  412.209189]  ? trace_hardirqs_off+0xb8/0x310
[  412.213312] Node 0 
[  412.215382]  ? trace_hardirqs_off+0xb8/0x310
[  412.219810] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  412.222024]  __alloc_pages_slowpath+0x2667/0x2d80
[  412.226413] lowmem_reserve[]:
[  412.253153]  ? warn_alloc+0x120/0x120
[  412.257949]  0
[  412.261051]  ? trace_hardirqs_on+0x310/0x310
[  412.264848]  0
[  412.266645]  ? warn_alloc+0x120/0x120
[  412.271032]  3503
[  412.272831]  ? print_usage_bug+0xc0/0xc0
[  412.276607]  3503
[  412.278671]  ? warn_alloc+0x120/0x120
[  412.282736] Node 0 
[  412.284813]  ? ktime_get+0x2e1/0x440
[  412.288616] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  412.290839]  ? print_usage_bug+0xc0/0xc0
[  412.294535] lowmem_reserve[]:
[  412.322907]  ? __lock_acquire+0x7ec/0x4ec0
[  412.326946]  0
[  412.330054]  ? __lock_acquire+0x7ec/0x4ec0
[  412.334273]  0 0
[  412.336088]  ? kasan_check_read+0x11/0x20
[  412.340298]  0
[  412.342276]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  412.348216]  ? should_fail+0x22d/0xd01
[  412.353726] Node 0 
[  412.357618]  ? rcu_bh_qs+0xc0/0xc0
[  412.357628] DMA: 
[  412.359869]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.363415] 1*4kB 
[  412.365481]  ? __lock_acquire+0x7ec/0x4ec0
[  412.370566] (U) 
[  412.372715]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  412.376920] 0*8kB 0*16kB 
[  412.378908]  ? __lock_acquire+0x7ec/0x4ec0
[  412.384024] 1*32kB 
[  412.386794]  ? should_fail+0x22d/0xd01
[  412.391004] (U) 
[  412.393235]  ? rcu_idle_enter+0x4b0/0x4b0
[  412.397111] 2*64kB 
[  412.399111]  ? mark_held_locks+0x130/0x130
[  412.403232] (U) 
[  412.405462]  ? mark_held_locks+0x130/0x130
[  412.409676] 1*128kB 
[  412.411654]  ? mark_held_locks+0xc7/0x130
[  412.415870] (U) 
[  412.418192]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  412.422317] 1*256kB 
[  412.424284]  ? graph_lock+0x170/0x170
[  412.429275] (U) 
[  412.431595]  ? print_usage_bug+0xc0/0xc0
[  412.435377] 0*512kB 
[  412.437365]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.441413] 1*1024kB 
[  412.443738]  ? check_preemption_disabled+0x48/0x200
[  412.449248] (U) 
[  412.451654]  ? check_preemption_disabled+0x48/0x200
[  412.456643] 1*2048kB 
[  412.458620]  ? __lock_is_held+0xb5/0x140
[  412.463610] (M) 
[  412.466031]  __alloc_pages_nodemask+0xa80/0xde0
[  412.470069] 3*4096kB 
[  412.472039]  ? graph_lock+0x170/0x170
[  412.476683] (M) 
[  412.479087]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  412.482860] = 15908kB
[  412.484827]  ? graph_lock+0x170/0x170
[  412.489833] Node 0 
[  412.492246]  ? find_held_lock+0x36/0x1c0
[  412.496031] DMA32: 
[  412.498273]  ? ____cache_alloc_node+0x1c7/0x1e0
[  412.502306] 4*4kB 
[  412.504537]  ? lock_downgrade+0x900/0x900
[  412.509193] (UM) 
[  412.511342]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.515468] 2*8kB (UM) 
[  412.517540]  cache_grow_begin+0x91/0x8c0
[  412.523051] 2*16kB 
[  412.525635]  ? do_raw_spin_unlock+0xa7/0x2f0
[  412.529679] (M) 3*32kB 
[  412.531930]  fallback_alloc+0x203/0x2e0
[  412.536317] (UM) 5*64kB 
[  412.538912]  ____cache_alloc_node+0x1c7/0x1e0
[  412.542874] (UM) 
[  412.545549]  kmem_cache_alloc_node+0xe3/0x730
[  412.550029] 4*128kB (UM) 
[  412.552104]  ? ipv6_get_ifaddr+0x42e/0x620
[  412.556582] 4*256kB 
[  412.559341]  __alloc_skb+0x119/0x770
[  412.563551] (UM) 
[  412.565873]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  412.569567] 3*512kB 
[  412.571626]  ? skb_scrub_packet+0x490/0x490
[  412.576878] (M) 
[  412.579229]  ? lock_downgrade+0x900/0x900
[  412.583531] 3*1024kB (UM) 
[  412.585521]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.589646] 3*2048kB 
[  412.592493]  ? refcount_sub_and_test_checked+0x203/0x310
[  412.598010] (M) 
[  412.600421]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  412.605848] 3*4096kB 
[  412.607823]  ? addrconf_rs_timer+0x690/0x690
[  412.613248] (M) 
[  412.615664]  ndisc_alloc_skb+0x144/0x340
[  412.620041] = 25056kB
[  412.620050] Node 0 
[  412.622030]  ndisc_send_rs+0x331/0x6e0
[  412.626065] Normal: 798*4kB 
[  412.628486]  addrconf_rs_timer+0x314/0x690
[  412.630724] (ME) 471*8kB 
[  412.634619]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.637616] (UME) 
[  412.641856]  call_timer_fn+0x272/0x920
[  412.644584] 208*16kB 
[  412.648821]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.650951] (UME) 
[  412.654836]  ? process_timeout+0x40/0x40
[  412.657226] 76*32kB 
[  412.661483]  ? find_held_lock+0x36/0x1c0
[  412.663629] (UME) 
[  412.667707]  ? __run_timers+0x7da/0xc70
[  412.670010] 4*64kB 
[  412.674072]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.676196] (M) 
[  412.680171]  ? _raw_spin_unlock_irq+0x27/0x80
[  412.682394] 1*128kB 
[  412.686880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.688839] (U) 
[  412.693327]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  412.695633] 1*256kB 
[  412.699865]  ? trace_hardirqs_on+0xbd/0x310
[  412.701818] (U) 
[  412.706412]  ? kasan_check_read+0x11/0x20
[  412.708716] 1*512kB 
[  412.713035]  ? __run_timers+0x7da/0xc70
[  412.714992] (U) 
[  412.719140]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  412.721457] 0*1024kB 
[  412.725436]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.727431] 0*2048kB 
[  412.732879]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  412.735276] 0*4096kB = 13872kB
[  412.739523]  __run_timers+0x7e5/0xc70
[  412.741921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  412.746171]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  412.749335] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  412.749345] 1299 total pagecache pages
[  412.753158]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  412.761977] 0 pages in swap cache
[  412.767331]  ? graph_lock+0x170/0x170
[  412.775892] Swap cache stats: add 0, delete 0, find 0/0
[  412.779770]  ? enqueue_hrtimer+0x1a5/0x560
[  412.784776] Free swap  = 0kB
[  412.788228]  ? lock_release+0x970/0x970
[  412.792016] Total swap = 0kB
[  412.797402]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  412.801617] 1965979 pages RAM
[  412.804631]  ? find_held_lock+0x36/0x1c0
[  412.808572] 0 pages HighMem/MovableOnly
[  412.808582] 342306 pages reserved
[  412.811599]  ? graph_lock+0x170/0x170
[  412.816772] 0 pages cma reserved
[  412.819886]  ? pvclock_read_flags+0x160/0x160
[  412.824031] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  412.827909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.827926]  ? check_preemption_disabled+0x48/0x200
[  412.827949]  ? __lock_is_held+0xb5/0x140
[  412.831432] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  412.835183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.838534] syz-executor1 cpuset=
[  412.843027]  ? check_preemption_disabled+0x48/0x200
[  412.849509] /
[  412.855062]  run_timer_softirq+0x52/0xb0
[  412.860089]  mems_allowed=0
[  412.864147]  ? rcu_read_lock_sched_held+0x108/0x120
[  412.902254]  __do_softirq+0x30b/0xad8
[  412.906066]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  412.911175]  ? pvclock_read_flags+0x160/0x160
[  412.915668]  ? lapic_next_event+0x5a/0x90
[  412.919816]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.925369]  ? check_preemption_disabled+0x48/0x200
[  412.930399]  ? check_preemption_disabled+0x48/0x200
[  412.935424]  ? kvm_clock_read+0x18/0x30
[  412.939408]  ? kvm_sched_clock_read+0x9/0x20
[  412.943821]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  412.949372]  ? check_preemption_disabled+0x48/0x200
[  412.954431]  irq_exit+0x17f/0x1c0
[  412.957891]  smp_apic_timer_interrupt+0x1cb/0x760
[  412.962739]  ? smp_reschedule_interrupt+0x109/0x650
[  412.967774]  ? smp_call_function_single_interrupt+0x650/0x650
[  412.973662]  ? interrupt_entry+0xb5/0xf0
[  412.977731]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.982747]  ? trace_hardirqs_off_caller+0xbb/0x310
[  412.987771]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  412.992626]  ? trace_hardirqs_on_caller+0x310/0x310
[  412.997642]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.002662]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.008206]  ? check_preemption_disabled+0x48/0x200
[  413.013221]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.018764]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.023616]  apic_timer_interrupt+0xf/0x20
[  413.027844]  </IRQ>
[  413.030095] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  413.035023] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  413.053931] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.061651] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  413.068916] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  413.076182] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  413.083479] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  413.090769] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  413.098073]  skb_clone+0x1bb/0x500
[  413.101636]  ? finish_task_switch+0x1b5/0x900
[  413.106146]  ? skb_split+0x11e0/0x11e0
[  413.110034]  ? preempt_notifier_register+0x200/0x200
[  413.115138]  ? __switch_to_asm+0x34/0x70
[  413.119197]  ? __switch_to_asm+0x34/0x70
[  413.123270]  ? __switch_to_asm+0x40/0x70
[  413.127353]  ? __switch_to_asm+0x34/0x70
[  413.131458]  ? __switch_to_asm+0x40/0x70
[  413.135514]  ? __switch_to_asm+0x34/0x70
[  413.139573]  ? __switch_to_asm+0x40/0x70
[  413.143634]  ? __switch_to_asm+0x34/0x70
[  413.147699]  ? __switch_to_asm+0x34/0x70
[  413.151758]  ? __switch_to_asm+0x40/0x70
[  413.155829]  ? __switch_to_asm+0x34/0x70
[  413.159908]  bpf_clone_redirect+0xb9/0x490
[  413.164161]  ? __schedule+0x874/0x1ed0
[  413.168057]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  413.173073]  ? __sched_text_start+0x8/0x8
[  413.177228]  ? lockdep_hardirqs_on+0x421/0x5c0
[  413.181807]  ? retint_kernel+0x2d/0x2d
[  413.185722]  ? trace_hardirqs_on_caller+0xc0/0x310
[  413.190654]  ? find_held_lock+0x36/0x1c0
[  413.194750]  ? lock_acquire+0x1ed/0x520
[  413.198752]  ? bpf_test_run+0x3cb/0x780
[  413.202729]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.208267]  ? check_preemption_disabled+0x48/0x200
[  413.213293]  ? kasan_check_read+0x11/0x20
[  413.217449]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  413.222732]  ? rcu_bh_qs+0xc0/0xc0
[  413.226273]  ? preempt_schedule+0x4d/0x60
[  413.230430]  ? ___preempt_schedule+0x16/0x18
[  413.234859]  ? bpf_test_run+0x25d/0x780
[  413.238847]  ? netlink_diag_dump+0x2a0/0x2a0
[  413.243272]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.248809]  ? bpf_test_init.isra.9+0x70/0x100
[  413.253409]  ? bpf_prog_test_run_skb+0x634/0xb40
[  413.258176]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  413.263018]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  413.268572]  ? fput+0x130/0x1a0
[  413.271883]  ? __bpf_prog_get+0x9b/0x290
[  413.275951]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  413.280793]  ? bpf_prog_test_run+0x130/0x1a0
[  413.285206]  ? __x64_sys_bpf+0x3d8/0x510
[  413.289265]  ? bpf_prog_get+0x20/0x20
[  413.293086]  ? do_syscall_64+0x1b9/0x820
[  413.297185]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  413.302559]  ? syscall_return_slowpath+0x5e0/0x5e0
[  413.307493]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.312540]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  413.317569]  ? recalc_sigpending_tsk+0x180/0x180
[  413.322327]  ? kasan_check_write+0x14/0x20
[  413.326590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.331445]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  413.336830] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  413.336917] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  413.344110] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  413.344116] Call Trace:
[  413.344123]  <IRQ>
[  413.344141]  dump_stack+0x1c4/0x2b4
[  413.344164]  ? dump_stack_print_info.cold.2+0x52/0x52
[  413.350745] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  413.360004]  warn_alloc.cold.119+0xb7/0x1bd
[  413.362571] syz-executor4 cpuset=
[  413.364717]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  413.368332] syz4
[  413.373519]  ? lock_downgrade+0x900/0x900
[  413.383995]  mems_allowed=0
[  413.388315]  ? trace_hardirqs_off+0xb8/0x310
[  413.410018]  ? trace_hardirqs_off+0xb8/0x310
[  413.414460]  __alloc_pages_slowpath+0x2667/0x2d80
[  413.419336]  ? warn_alloc+0x120/0x120
[  413.423142]  ? warn_alloc+0x120/0x120
[  413.426946]  ? print_usage_bug+0xc0/0xc0
[  413.431008]  ? warn_alloc+0x120/0x120
[  413.434808]  ? print_usage_bug+0xc0/0xc0
[  413.438903]  ? __lock_acquire+0x7ec/0x4ec0
[  413.443135]  ? __lock_acquire+0x7ec/0x4ec0
[  413.447378]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.452922]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.458461]  ? should_fail+0x22d/0xd01
[  413.462380]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.467489]  ? __lock_acquire+0x7ec/0x4ec0
[  413.471743]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  413.476842]  ? __lock_acquire+0x7ec/0x4ec0
[  413.481082]  ? should_fail+0x22d/0xd01
[  413.484980]  ? mark_held_locks+0x130/0x130
[  413.489235]  ? mark_held_locks+0x130/0x130
[  413.493483]  ? graph_lock+0x170/0x170
[  413.497282]  ? print_usage_bug+0xc0/0xc0
[  413.501355]  ? graph_lock+0x170/0x170
[  413.505213]  ? print_usage_bug+0xc0/0xc0
[  413.509278]  ? wq_watchdog_touch+0x9c/0xfe
[  413.513530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.519082]  ? check_preemption_disabled+0x48/0x200
[  413.524098]  ? check_preemption_disabled+0x48/0x200
[  413.529125]  ? __lock_is_held+0xb5/0x140
[  413.533211]  __alloc_pages_nodemask+0xa80/0xde0
[  413.537881]  ? graph_lock+0x170/0x170
[  413.541690]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  413.546716]  ? graph_lock+0x170/0x170
[  413.550536]  ? find_held_lock+0x36/0x1c0
[  413.554610]  ? ____cache_alloc_node+0x1c7/0x1e0
[  413.559292]  ? lock_downgrade+0x900/0x900
[  413.563447]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.569002]  cache_grow_begin+0x91/0x8c0
[  413.573067]  ? do_raw_spin_unlock+0xa7/0x2f0
[  413.577488]  fallback_alloc+0x203/0x2e0
[  413.581475]  ____cache_alloc_node+0x1c7/0x1e0
[  413.585979]  kmem_cache_alloc_node+0xe3/0x730
[  413.590476]  ? ipv6_get_ifaddr+0x42e/0x620
[  413.594741]  __alloc_skb+0x119/0x770
[  413.598458]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  413.603756]  ? skb_scrub_packet+0x490/0x490
[  413.608091]  ? lock_downgrade+0x900/0x900
[  413.612261]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.617809]  ? refcount_sub_and_test_checked+0x203/0x310
[  413.623301]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  413.628755]  ? addrconf_rs_timer+0x690/0x690
[  413.633178]  ndisc_alloc_skb+0x144/0x340
[  413.637251]  ndisc_send_rs+0x331/0x6e0
[  413.641152]  addrconf_rs_timer+0x314/0x690
[  413.645416]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.649705]  call_timer_fn+0x272/0x920
[  413.653594]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.657866]  ? process_timeout+0x40/0x40
[  413.661929]  ? find_held_lock+0x36/0x1c0
[  413.665997]  ? mark_held_locks+0xc7/0x130
[  413.670151]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.674649]  ? _raw_spin_unlock_irq+0x27/0x80
[  413.679154]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.683388]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  413.687972]  ? trace_hardirqs_on+0xbd/0x310
[  413.692309]  ? kasan_check_read+0x11/0x20
[  413.696459]  ? __run_timers+0x7da/0xc70
[  413.700435]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  413.705892]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.710132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  413.714361]  __run_timers+0x7e5/0xc70
[  413.718185]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  413.723558]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  413.728576]  ? graph_lock+0x170/0x170
[  413.732388]  ? print_usage_bug+0xc0/0xc0
[  413.736450]  ? lock_release+0x970/0x970
[  413.740442]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  413.745646]  ? find_held_lock+0x36/0x1c0
[  413.749729]  ? graph_lock+0x170/0x170
[  413.753563]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.759103]  ? check_preemption_disabled+0x48/0x200
[  413.764137]  ? __lock_is_held+0xb5/0x140
[  413.768201]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.773738]  ? check_preemption_disabled+0x48/0x200
[  413.778779]  run_timer_softirq+0x52/0xb0
[  413.782845]  ? rcu_read_lock_sched_held+0x108/0x120
[  413.787861]  __do_softirq+0x30b/0xad8
[  413.791674]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  413.796808]  ? pvclock_read_flags+0x160/0x160
[  413.801320]  ? lapic_next_event+0x5a/0x90
[  413.805467]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.811015]  ? check_preemption_disabled+0x48/0x200
[  413.816028]  ? check_preemption_disabled+0x48/0x200
[  413.821056]  ? kvm_clock_read+0x18/0x30
[  413.825033]  ? kvm_sched_clock_read+0x9/0x20
[  413.829445]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.834988]  ? check_preemption_disabled+0x48/0x200
[  413.840022]  irq_exit+0x17f/0x1c0
[  413.843479]  smp_apic_timer_interrupt+0x1cb/0x760
[  413.848338]  ? smp_call_function_single_interrupt+0x650/0x650
[  413.854222]  ? interrupt_entry+0xb5/0xf0
[  413.858304]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.863327]  ? trace_hardirqs_off_caller+0xbb/0x310
[  413.868343]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.873190]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.878201]  ? trace_hardirqs_on_caller+0x310/0x310
[  413.883215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.888748]  ? check_preemption_disabled+0x48/0x200
[  413.893796]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  413.899356]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  413.904207]  apic_timer_interrupt+0xf/0x20
[  413.908431]  </IRQ>
[  413.910681] RIP: 0010:lock_acquire+0x268/0x520
[  413.915322] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  413.934219] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  413.941936] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  413.949198] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  413.956462] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  413.963734] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  413.970998] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  413.978287]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  413.983826]  ? lock_release+0x970/0x970
[  413.987802]  ? activate_page+0x1040/0x1040
[  413.992041]  ? __unlock_page_memcg+0x53/0x100
[  413.996533]  ? check_preemption_disabled+0x48/0x200
[  414.001560]  lock_page_memcg+0x95/0x350
[  414.005542]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  414.010729]  ? rcu_bh_qs+0xc0/0xc0
[  414.014270]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  414.019474]  page_remove_rmap+0x855/0x1a30
[  414.023730]  ? page_add_file_rmap+0x1470/0x1470
[  414.028400]  ? __lock_is_held+0xb5/0x140
[  414.032483]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.038044]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.043586]  ? lru_add_drain_cpu+0x1c0/0x500
[  414.048003]  ? free_pages_and_swap_cache+0x475/0x6f0
[  414.053120]  ? free_page_and_swap_cache+0x950/0x950
[  414.058139]  ? kasan_check_read+0x11/0x20
[  414.062288]  ? page_mapcount+0x3b5/0x5d0
[  414.066350]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  414.071201]  ? lock_downgrade+0x900/0x900
[  414.075464]  ? lock_release+0x970/0x970
[  414.079449]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  414.084466]  ? _vm_normal_page+0x161/0x3c0
[  414.088726]  ? __pte_alloc_kernel+0x220/0x220
[  414.093221]  ? kasan_check_write+0x14/0x20
[  414.097460]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  414.102490]  ? __tlb_remove_page_size+0x187/0x500
[  414.107341]  unmap_page_range+0xf14/0x2030
[  414.111616]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  414.116122]  ? search_extable+0x80/0xb0
[  414.120095]  ? trim_init_extable+0x3a0/0x3a0
[  414.124515]  ? __get_user_8+0x21/0x2b
[  414.128318]  ? print_usage_bug+0xc0/0xc0
[  414.132401]  ? __lock_acquire+0x7ec/0x4ec0
[  414.136640]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  414.142186]  ? no_context+0xd9/0x980
[  414.145896]  ? lock_downgrade+0x900/0x900
[  414.150036]  ? graph_lock+0x170/0x170
[  414.153848]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.159386]  ? tlb_flush_mmu_free+0x135/0x1b0
[  414.163895]  ? find_held_lock+0x36/0x1c0
[  414.167977]  ? exit_mmap+0x4bb/0x590
[  414.171699]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.177236]  ? uprobe_munmap+0x14c/0x450
[  414.181327]  ? uprobe_mmap+0xd50/0xd50
[  414.185681]  ? lock_release+0x970/0x970
[  414.189674]  ? arch_local_save_flags+0x40/0x40
[  414.194273]  ? rwsem_down_write_failed+0xe/0x10
[  414.198944]  ? rwsem_down_write_failed+0xe/0x10
[  414.203613]  ? call_rwsem_down_write_failed+0x17/0x30
[  414.208812]  unmap_single_vma+0x19b/0x310
[  414.213002]  unmap_vmas+0x125/0x200
[  414.216643]  exit_mmap+0x2be/0x590
[  414.220194]  ? __ia32_sys_munmap+0x80/0x80
[  414.224464]  ? __might_sleep+0x95/0x190
[  414.228444]  mmput+0x247/0x610
[  414.231658]  ? lock_downgrade+0x900/0x900
[  414.235817]  ? set_mm_exe_file+0x200/0x200
[  414.240065]  ? kasan_check_read+0x11/0x20
[  414.244216]  ? do_raw_spin_unlock+0xa7/0x2f0
[  414.248626]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  414.253211]  ? kasan_check_write+0x14/0x20
[  414.257450]  ? do_raw_spin_lock+0xc1/0x200
[  414.261731]  do_exit+0xe6f/0x2610
[  414.265183]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  414.270207]  ? mm_update_next_owner+0x990/0x990
[  414.274880]  ? print_usage_bug+0xc0/0xc0
[  414.278941]  ? graph_lock+0x170/0x170
[  414.282747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.288284]  ? check_preemption_disabled+0x48/0x200
[  414.293298]  ? check_preemption_disabled+0x48/0x200
[  414.298326]  ? print_usage_bug+0xc0/0xc0
[  414.302397]  ? __lock_acquire+0x7ec/0x4ec0
[  414.306634]  ? __lock_acquire+0x7ec/0x4ec0
[  414.310895]  ? mark_held_locks+0x130/0x130
[  414.315163]  ? mark_held_locks+0x130/0x130
[  414.319394]  ? kasan_check_write+0x14/0x20
[  414.323669]  ? finish_task_switch+0x2f5/0x900
[  414.328194]  ? __switch_to_asm+0x40/0x70
[  414.332265]  ? __switch_to_asm+0x34/0x70
[  414.336330]  ? __switch_to_asm+0x34/0x70
[  414.340396]  ? __switch_to_asm+0x40/0x70
[  414.344481]  ? __switch_to_asm+0x34/0x70
[  414.348541]  ? __switch_to_asm+0x40/0x70
[  414.352598]  ? __switch_to_asm+0x34/0x70
[  414.356660]  ? __switch_to_asm+0x34/0x70
[  414.360761]  ? __switch_to_asm+0x34/0x70
[  414.364825]  ? __switch_to_asm+0x34/0x70
[  414.368890]  ? __switch_to_asm+0x40/0x70
[  414.372949]  ? __switch_to_asm+0x34/0x70
[  414.377013]  ? __switch_to_asm+0x40/0x70
[  414.381095]  ? graph_lock+0x170/0x170
[  414.384910]  ? graph_lock+0x170/0x170
[  414.388718]  ? graph_lock+0x170/0x170
[  414.392523]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.398061]  ? wait_consider_task+0x245/0x3bb0
[  414.402665]  ? memset+0x31/0x40
[  414.405969]  ? find_held_lock+0x36/0x1c0
[  414.410055]  ? get_signal+0x95b/0x1980
[  414.413950]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.418449]  ? _raw_spin_unlock_irq+0x27/0x80
[  414.422952]  do_group_exit+0x177/0x440
[  414.426845]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  414.432298]  ? __ia32_sys_exit+0x50/0x50
[  414.436380]  get_signal+0x8b0/0x1980
[  414.440110]  ? ptrace_notify+0x130/0x130
[  414.444184]  ? do_wait+0x57d/0xb90
[  414.447737]  ? wait_consider_task+0x3bb0/0x3bb0
[  414.452432]  ? graph_lock+0x170/0x170
[  414.456233]  ? graph_lock+0x170/0x170
[  414.460062]  ? graph_lock+0x170/0x170
[  414.463882]  do_signal+0x9c/0x21e0
[  414.467437]  ? find_held_lock+0x36/0x1c0
[  414.471510]  ? setup_sigcontext+0x7d0/0x7d0
[  414.475869]  ? kernel_wait4+0x2e0/0x3f0
[  414.479850]  ? __ia32_sys_waitid+0x140/0x140
[  414.484265]  ? task_stopped_code+0x190/0x190
[  414.488693]  ? exit_to_usermode_loop+0x8c/0x380
[  414.493402]  ? __do_page_fault+0x4a6/0xed0
[  414.497641]  ? do_syscall_64+0x9a/0x820
[  414.501618]  ? do_syscall_64+0x9a/0x820
[  414.505599]  exit_to_usermode_loop+0x2e5/0x380
[  414.510210]  ? syscall_slow_exit_work+0x520/0x520
[  414.515072]  do_syscall_64+0x6be/0x820
[  414.518965]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  414.524349]  ? syscall_return_slowpath+0x5e0/0x5e0
[  414.529291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.534136]  ? trace_hardirqs_on_caller+0x310/0x310
[  414.539171]  ? prepare_exit_to_usermode+0x291/0x3b0
[  414.544196]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  414.549050]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  414.554237] RIP: 0033:0x41124a
[  414.557448] Code: Bad RIP value.
[  414.560814] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  414.568520] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  414.575800] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  414.583066] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  414.590335] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  414.597615] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  414.604919] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  414.604924] warn_alloc_show_mem: 1 callbacks suppressed
[  414.604932] Mem-Info:
[  414.612209] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  414.617579] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  414.617579]  active_file:8 inactive_file:19 isolated_file:0
[  414.617579]  unevictable:0 dirty:0 writeback:0 unstable:0
[  414.617579]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  414.617579]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  414.617579]  free:13709 free_pcp:257 free_cma:0
[  414.619952] Call Trace:
[  414.629364] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  414.662296]  <IRQ>
[  414.664866] Node 0 
[  414.692532]  dump_stack+0x1c4/0x2b4
[  414.694723] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  414.696949]  ? dump_stack_print_info.cold.2+0x52/0x52
[  414.700568] lowmem_reserve[]:
[  414.726074]  warn_alloc.cold.119+0xb7/0x1bd
[  414.731230]  0 2819
[  414.734348]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  414.738660]  6323
[  414.740896]  ? lock_downgrade+0x900/0x900
[  414.745730]  6323
[  414.747809]  ? trace_hardirqs_off+0xb8/0x310
[  414.751932] Node 0 
[  414.753999]  ? trace_hardirqs_off+0xb8/0x310
[  414.758409] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  414.760631]  __alloc_pages_slowpath+0x2667/0x2d80
[  414.765010] lowmem_reserve[]:
[  414.791750]  ? warn_alloc+0x120/0x120
[  414.796562]  0
[  414.799677]  ? trace_hardirqs_on+0x310/0x310
[  414.803459]  0
[  414.805275]  ? warn_alloc+0x120/0x120
[  414.809675]  3503
[  414.811477]  ? print_usage_bug+0xc0/0xc0
[  414.815254]  3503
[  414.817316]  ? warn_alloc+0x120/0x120
[  414.823416]  ? ktime_get+0x2e1/0x440
[  414.827220] Node 0 
[  414.830958]  ? print_usage_bug+0xc0/0xc0
[  414.830986] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  414.830993] lowmem_reserve[]:
[  414.833234]  ? __lock_acquire+0x7ec/0x4ec0
[  414.837283]  0
[  414.865647]  ? __lock_acquire+0x7ec/0x4ec0
[  414.868726]  0 0
[  414.872964]  ? kasan_check_read+0x11/0x20
[  414.874744]  0
[  414.878974]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  414.885084]  ? should_fail+0x22d/0xd01
[  414.886890] Node 0 
[  414.892430]  ? rcu_bh_qs+0xc0/0xc0
[  414.896293] DMA: 
[  414.898563]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.902079] 1*4kB 
[  414.904140]  ? __lock_acquire+0x7ec/0x4ec0
[  414.909224] (U) 
[  414.911378]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  414.915588] 0*8kB 
[  414.917562]  ? __lock_acquire+0x7ec/0x4ec0
[  414.922641] 0*16kB 
[  414.924795]  ? should_fail+0x22d/0xd01
[  414.929022] 1*32kB 
[  414.931254]  ? rcu_idle_enter+0x4b0/0x4b0
[  414.935112] (U) 2*64kB 
[  414.937379]  ? mark_held_locks+0x130/0x130
[  414.941511] (U) 
[  414.944103]  ? mark_held_locks+0x130/0x130
[  414.948318] 1*128kB 
[  414.950291]  ? mark_held_locks+0xc7/0x130
[  414.954497] (U) 1*256kB 
[  414.956830]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  414.960951] (U) 
[  414.963626]  ? graph_lock+0x170/0x170
[  414.968619] 0*512kB 
[  414.970586]  ? print_usage_bug+0xc0/0xc0
[  414.974361] 1*1024kB (U) 
[  414.976701]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  414.980759] 1*2048kB 
[  414.983511]  ? check_preemption_disabled+0x48/0x200
[  414.989019] (M) 
[  414.991426]  ? check_preemption_disabled+0x48/0x200
[  414.996417] 3*4096kB 
[  414.998405]  ? __lock_is_held+0xb5/0x140
[  415.003386] (M) 
[  415.005802]  __alloc_pages_nodemask+0xa80/0xde0
[  415.009836] = 15908kB
[  415.011824]  ? graph_lock+0x170/0x170
[  415.016472] Node 0 
[  415.018888]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  415.022668] DMA32: 
[  415.024904]  ? graph_lock+0x170/0x170
[  415.029913] 4*4kB 
[  415.032148]  ? find_held_lock+0x36/0x1c0
[  415.035916] (UM) 
[  415.038074]  ? ____cache_alloc_node+0x1c7/0x1e0
[  415.042108] 2*8kB 
[  415.044164]  ? lock_downgrade+0x900/0x900
[  415.048817] (UM) 
[  415.050972]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.055092] 2*16kB 
[  415.057147]  cache_grow_begin+0x91/0x8c0
[  415.062654] (M) 
[  415.064881]  ? do_raw_spin_unlock+0xa7/0x2f0
[  415.068950] 3*32kB 
[  415.070917]  fallback_alloc+0x203/0x2e0
[  415.075293] (UM) 5*64kB 
[  415.077538]  ____cache_alloc_node+0x1c7/0x1e0
[  415.081514] (UM) 
[  415.084177]  kmem_cache_alloc_node+0xe3/0x730
[  415.088647] 4*128kB 
[  415.090716]  ? ipv6_get_ifaddr+0x42e/0x620
[  415.095183] (UM) 
[  415.097503]  __alloc_skb+0x119/0x770
[  415.101722] 4*256kB 
[  415.103779]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  415.107482] (UM) 
[  415.109831]  ? skb_scrub_packet+0x490/0x490
[  415.115083] 3*512kB 
[  415.117146]  ? lock_downgrade+0x900/0x900
[  415.121452] (M) 
[  415.123770]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.127892] 3*1024kB 
[  415.129868]  ? refcount_sub_and_test_checked+0x203/0x310
[  415.135388] (UM) 3*2048kB 
[  415.137807]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  415.143229] (M) 3*4096kB 
[  415.146078]  ? addrconf_rs_timer+0x690/0x690
[  415.151506] (M) 
[  415.154266]  ndisc_alloc_skb+0x144/0x340
[  415.158646] = 25056kB
[  415.160623]  ndisc_send_rs+0x331/0x6e0
[  415.164658] Node 0 
[  415.167060]  addrconf_rs_timer+0x314/0x690
[  415.170920] Normal: 
[  415.173149]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.177377] 798*4kB 
[  415.179731]  call_timer_fn+0x272/0x920
[  415.183933] (ME) 
[  415.186249]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.190114] 471*8kB 
[  415.192172]  ? process_timeout+0x40/0x40
[  415.196382] (UME) 
[  415.198700]  ? find_held_lock+0x36/0x1c0
[  415.202749] 208*16kB 
[  415.204904]  ? __run_timers+0x7da/0xc70
[  415.208951] (UME) 
[  415.211365]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.215322] 76*32kB 
[  415.217472]  ? _raw_spin_unlock_irq+0x27/0x80
[  415.221942] (UME) 
[  415.224256]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.228752] 4*64kB 
[  415.230923]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  415.235134] (M) 
[  415.237375]  ? trace_hardirqs_on+0xbd/0x310
[  415.241923] 1*128kB 
[  415.243904]  ? kasan_check_read+0x11/0x20
[  415.243920]  ? __run_timers+0x7da/0xc70
[  415.248222] (U) 
[  415.250542]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  415.254667] 1*256kB 
[  415.258634]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.260595] (U) 
[  415.266052]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  415.268354] 1*512kB 
[  415.272590]  __run_timers+0x7e5/0xc70
[  415.274563] (U) 
[  415.278799]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  415.281101] 0*1024kB 
[  415.284889]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  415.286857] 0*2048kB 
[  415.292211]  ? graph_lock+0x170/0x170
[  415.294608] 0*4096kB 
[  415.299617]  ? enqueue_hrtimer+0x1a5/0x560
[  415.302015] = 13872kB
[  415.305814]  ? lock_release+0x970/0x970
[  415.308230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  415.312478]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  415.314884] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  415.318856]  ? find_held_lock+0x36/0x1c0
[  415.327664] 1299 total pagecache pages
[  415.332857]  ? graph_lock+0x170/0x170
[  415.341414] 0 pages in swap cache
[  415.345463]  ? pvclock_read_flags+0x160/0x160
[  415.349356] Swap cache stats: add 0, delete 0, find 0/0
[  415.353160]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.356604] Free swap  = 0kB
[  415.361092]  ? check_preemption_disabled+0x48/0x200
[  415.366434] Total swap = 0kB
[  415.371969]  ? __lock_is_held+0xb5/0x140
[  415.374982] 1965979 pages RAM
[  415.379990]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.382981] 0 pages HighMem/MovableOnly
[  415.382990] 342306 pages reserved
[  415.387051]  ? check_preemption_disabled+0x48/0x200
[  415.390135] 0 pages cma reserved
[  415.395681]  run_timer_softirq+0x52/0xb0
[  415.399723] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.403087]  ? rcu_read_lock_sched_held+0x108/0x120
[  415.408185] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.411458]  __do_softirq+0x30b/0xad8
[  415.415515] syz-executor1 cpuset=
[  415.422018]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  415.427018] /
[  415.437513]  ? pvclock_read_flags+0x160/0x160
[  415.441495]  mems_allowed=0
[  415.444958]  ? lapic_next_event+0x5a/0x90
[  415.463348]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.468901]  ? check_preemption_disabled+0x48/0x200
[  415.473923]  ? check_preemption_disabled+0x48/0x200
[  415.478949]  ? kvm_clock_read+0x18/0x30
[  415.482925]  ? kvm_sched_clock_read+0x9/0x20
[  415.487338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.492884]  ? check_preemption_disabled+0x48/0x200
[  415.497917]  irq_exit+0x17f/0x1c0
[  415.501403]  smp_apic_timer_interrupt+0x1cb/0x760
[  415.506245]  ? smp_reschedule_interrupt+0x109/0x650
[  415.511263]  ? smp_call_function_single_interrupt+0x650/0x650
[  415.517162]  ? interrupt_entry+0xb5/0xf0
[  415.521228]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.526259]  ? trace_hardirqs_off_caller+0xbb/0x310
[  415.531281]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.536127]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.541140]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.546154]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.551691]  ? check_preemption_disabled+0x48/0x200
[  415.556718]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.562264]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.567122]  apic_timer_interrupt+0xf/0x20
[  415.571353]  </IRQ>
[  415.573620] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  415.578550] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  415.597449] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  415.605160] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  415.612432] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  415.619701] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  415.626967] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  415.634231] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  415.641565]  skb_clone+0x1bb/0x500
[  415.645111]  ? finish_task_switch+0x1b5/0x900
[  415.649612]  ? skb_split+0x11e0/0x11e0
[  415.653509]  ? preempt_notifier_register+0x200/0x200
[  415.658615]  ? __switch_to_asm+0x34/0x70
[  415.662682]  ? __switch_to_asm+0x34/0x70
[  415.666746]  ? __switch_to_asm+0x40/0x70
[  415.670805]  ? __switch_to_asm+0x34/0x70
[  415.674867]  ? __switch_to_asm+0x40/0x70
[  415.678929]  ? __switch_to_asm+0x34/0x70
[  415.683548]  ? __switch_to_asm+0x40/0x70
[  415.687611]  ? __switch_to_asm+0x34/0x70
[  415.691739]  ? __switch_to_asm+0x34/0x70
[  415.695805]  ? __switch_to_asm+0x40/0x70
[  415.699863]  ? __switch_to_asm+0x34/0x70
[  415.703928]  bpf_clone_redirect+0xb9/0x490
[  415.708160]  ? __schedule+0x874/0x1ed0
[  415.712050]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  415.717066]  ? __sched_text_start+0x8/0x8
[  415.721225]  ? lockdep_hardirqs_on+0x421/0x5c0
[  415.725840]  ? retint_kernel+0x2d/0x2d
[  415.729743]  ? trace_hardirqs_on_caller+0xc0/0x310
[  415.734675]  ? find_held_lock+0x36/0x1c0
[  415.738744]  ? lock_acquire+0x1ed/0x520
[  415.742721]  ? bpf_test_run+0x3cb/0x780
[  415.746697]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  415.752235]  ? check_preemption_disabled+0x48/0x200
[  415.757256]  ? kasan_check_read+0x11/0x20
[  415.761419]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  415.766724]  ? rcu_bh_qs+0xc0/0xc0
[  415.770284]  ? preempt_schedule+0x4d/0x60
[  415.774437]  ? ___preempt_schedule+0x16/0x18
[  415.778853]  ? bpf_test_run+0x25d/0x780
[  415.782848]  ? netlink_diag_dump+0x2a0/0x2a0
[  415.787260]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  415.792801]  ? bpf_test_init.isra.9+0x70/0x100
[  415.797409]  ? bpf_prog_test_run_skb+0x634/0xb40
[  415.802183]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  415.807021]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  415.812570]  ? fput+0x130/0x1a0
[  415.815862]  ? __bpf_prog_get+0x9b/0x290
[  415.819925]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  415.824780]  ? bpf_prog_test_run+0x130/0x1a0
[  415.829219]  ? __x64_sys_bpf+0x3d8/0x510
[  415.833284]  ? bpf_prog_get+0x20/0x20
[  415.837110]  ? do_syscall_64+0x1b9/0x820
[  415.841177]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  415.846561]  ? syscall_return_slowpath+0x5e0/0x5e0
[  415.851537]  ? trace_hardirqs_on_caller+0x310/0x310
[  415.856554]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  415.861573]  ? recalc_sigpending_tsk+0x180/0x180
[  415.866329]  ? kasan_check_write+0x14/0x20
[  415.870577]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  415.875444]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  415.880830] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  415.880928] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  415.888111] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  415.888117] Call Trace:
[  415.888124]  <IRQ>
[  415.888141]  dump_stack+0x1c4/0x2b4
[  415.888160]  ? dump_stack_print_info.cold.2+0x52/0x52
[  415.894693] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  415.903992]  warn_alloc.cold.119+0xb7/0x1bd
[  415.906549] syz-executor4 cpuset=
[  415.908696]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  415.912314] syz4
[  415.917503]  ? lock_downgrade+0x900/0x900
[  415.927967]  mems_allowed=0
[  415.932287]  ? trace_hardirqs_off+0xb8/0x310
[  415.954002]  ? trace_hardirqs_off+0xb8/0x310
[  415.958435]  __alloc_pages_slowpath+0x2667/0x2d80
[  415.963314]  ? warn_alloc+0x120/0x120
[  415.967122]  ? trace_hardirqs_on+0x310/0x310
[  415.971541]  ? warn_alloc+0x120/0x120
[  415.975346]  ? print_usage_bug+0xc0/0xc0
[  415.979412]  ? warn_alloc+0x120/0x120
[  415.983214]  ? ktime_get+0x2e1/0x440
[  415.986931]  ? print_usage_bug+0xc0/0xc0
[  415.990997]  ? __lock_acquire+0x7ec/0x4ec0
[  415.995234]  ? __lock_acquire+0x7ec/0x4ec0
[  415.999470]  ? kasan_check_read+0x11/0x20
[  416.003623]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.009183]  ? should_fail+0x22d/0xd01
[  416.013077]  ? rcu_bh_qs+0xc0/0xc0
[  416.016626]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.021733]  ? __lock_acquire+0x7ec/0x4ec0
[  416.025975]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  416.031088]  ? __lock_acquire+0x7ec/0x4ec0
[  416.035327]  ? should_fail+0x22d/0xd01
[  416.039229]  ? rcu_idle_enter+0x4b0/0x4b0
[  416.043430]  ? mark_held_locks+0x130/0x130
[  416.047677]  ? mark_held_locks+0x130/0x130
[  416.052056]  ? mark_held_locks+0xc7/0x130
[  416.056209]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  416.061226]  ? graph_lock+0x170/0x170
[  416.065027]  ? print_usage_bug+0xc0/0xc0
[  416.069096]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.074793]  ? check_preemption_disabled+0x48/0x200
[  416.079820]  ? check_preemption_disabled+0x48/0x200
[  416.084847]  ? __lock_is_held+0xb5/0x140
[  416.088917]  __alloc_pages_nodemask+0xa80/0xde0
[  416.093584]  ? graph_lock+0x170/0x170
[  416.097386]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  416.102416]  ? graph_lock+0x170/0x170
[  416.106231]  ? find_held_lock+0x36/0x1c0
[  416.110311]  ? ____cache_alloc_node+0x1c7/0x1e0
[  416.114980]  ? lock_downgrade+0x900/0x900
[  416.119133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.124674]  cache_grow_begin+0x91/0x8c0
[  416.128764]  ? do_raw_spin_unlock+0xa7/0x2f0
[  416.133190]  fallback_alloc+0x203/0x2e0
[  416.137173]  ____cache_alloc_node+0x1c7/0x1e0
[  416.141679]  kmem_cache_alloc_node+0xe3/0x730
[  416.146199]  ? ipv6_get_ifaddr+0x42e/0x620
[  416.150447]  __alloc_skb+0x119/0x770
[  416.154169]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  416.159472]  ? skb_scrub_packet+0x490/0x490
[  416.163796]  ? lock_downgrade+0x900/0x900
[  416.167961]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.173502]  ? refcount_sub_and_test_checked+0x203/0x310
[  416.178958]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  416.184939]  ? addrconf_rs_timer+0x690/0x690
[  416.189393]  ndisc_alloc_skb+0x144/0x340
[  416.193486]  ndisc_send_rs+0x331/0x6e0
[  416.197395]  addrconf_rs_timer+0x314/0x690
[  416.201643]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.205933]  call_timer_fn+0x272/0x920
[  416.209823]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.214082]  ? process_timeout+0x40/0x40
[  416.218144]  ? find_held_lock+0x36/0x1c0
[  416.222213]  ? mark_held_locks+0xc7/0x130
[  416.226374]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.230872]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.235379]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.239620]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  416.244219]  ? trace_hardirqs_on+0xbd/0x310
[  416.248546]  ? kasan_check_read+0x11/0x20
[  416.252695]  ? __run_timers+0x7da/0xc70
[  416.256688]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.262141]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.266387]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  416.270619]  __run_timers+0x7e5/0xc70
[  416.274438]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  416.279805]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.284823]  ? graph_lock+0x170/0x170
[  416.288640]  ? print_usage_bug+0xc0/0xc0
[  416.292698]  ? lock_release+0x970/0x970
[  416.296673]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  416.301871]  ? find_held_lock+0x36/0x1c0
[  416.305945]  ? graph_lock+0x170/0x170
[  416.309747]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.315283]  ? check_preemption_disabled+0x48/0x200
[  416.320311]  ? __lock_is_held+0xb5/0x140
[  416.324382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.329923]  ? check_preemption_disabled+0x48/0x200
[  416.334961]  run_timer_softirq+0x52/0xb0
[  416.339035]  ? rcu_read_lock_sched_held+0x108/0x120
[  416.344058]  __do_softirq+0x30b/0xad8
[  416.347872]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  416.352990]  ? pvclock_read_flags+0x160/0x160
[  416.357500]  ? lapic_next_event+0x5a/0x90
[  416.361664]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.367209]  ? check_preemption_disabled+0x48/0x200
[  416.372225]  ? check_preemption_disabled+0x48/0x200
[  416.377276]  ? kvm_clock_read+0x18/0x30
[  416.381253]  ? kvm_sched_clock_read+0x9/0x20
[  416.385663]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.391202]  ? check_preemption_disabled+0x48/0x200
[  416.396233]  irq_exit+0x17f/0x1c0
[  416.399692]  smp_apic_timer_interrupt+0x1cb/0x760
[  416.404552]  ? smp_call_function_single_interrupt+0x650/0x650
[  416.410454]  ? interrupt_entry+0xb5/0xf0
[  416.414520]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.419538]  ? trace_hardirqs_off_caller+0xbb/0x310
[  416.424560]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.429406]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.434428]  ? trace_hardirqs_on_caller+0x310/0x310
[  416.439464]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.445001]  ? check_preemption_disabled+0x48/0x200
[  416.450024]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.455583]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  416.460435]  apic_timer_interrupt+0xf/0x20
[  416.464663]  </IRQ>
[  416.466906] RIP: 0010:lock_acquire+0x268/0x520
[  416.471491] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  416.490396] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  416.498113] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  416.505387] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  416.512669] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  416.519940] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  416.527208] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  416.534508]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.540069]  ? lock_release+0x970/0x970
[  416.544073]  ? activate_page+0x1040/0x1040
[  416.548319]  ? __unlock_page_memcg+0x53/0x100
[  416.552819]  ? check_preemption_disabled+0x48/0x200
[  416.557847]  lock_page_memcg+0x95/0x350
[  416.561819]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  416.567015]  ? rcu_bh_qs+0xc0/0xc0
[  416.570573]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  416.575780]  page_remove_rmap+0x855/0x1a30
[  416.580022]  ? page_add_file_rmap+0x1470/0x1470
[  416.584710]  ? __lock_is_held+0xb5/0x140
[  416.588795]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.594332]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  416.599876]  ? lru_add_drain_cpu+0x1c0/0x500
[  416.604304]  ? free_pages_and_swap_cache+0x475/0x6f0
[  416.609418]  ? free_page_and_swap_cache+0x950/0x950
[  416.614469]  ? kasan_check_read+0x11/0x20
[  416.618641]  ? page_mapcount+0x3b5/0x5d0
[  416.622708]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  416.627578]  ? lock_downgrade+0x900/0x900
[  416.631743]  ? lock_release+0x970/0x970
[  416.635752]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  416.640794]  ? _vm_normal_page+0x161/0x3c0
[  416.645031]  ? __pte_alloc_kernel+0x220/0x220
[  416.649531]  ? kasan_check_write+0x14/0x20
[  416.653770]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  416.658811]  ? __tlb_remove_page_size+0x187/0x500
[  416.663659]  unmap_page_range+0xf14/0x2030
[  416.667928]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  416.672434]  ? search_extable+0x80/0xb0
[  416.676454]  ? trim_init_extable+0x3a0/0x3a0
[  416.680879]  ? __get_user_8+0x21/0x2b
[  416.684713]  ? print_usage_bug+0xc0/0xc0
[  416.688796]  ? __lock_acquire+0x7ec/0x4ec0
[  416.693050]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  416.698590]  ? no_context+0xd9/0x980
[  416.702304]  ? lock_downgrade+0x900/0x900
[  416.706453]  ? graph_lock+0x170/0x170
[  416.710274]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.715816]  ? tlb_flush_mmu_free+0x135/0x1b0
[  416.720320]  ? find_held_lock+0x36/0x1c0
[  416.724394]  ? exit_mmap+0x4bb/0x590
[  416.728134]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  416.733668]  ? uprobe_munmap+0x14c/0x450
[  416.737738]  ? uprobe_mmap+0xd50/0xd50
[  416.741630]  ? lock_release+0x970/0x970
[  416.745644]  ? arch_local_save_flags+0x40/0x40
[  416.750246]  ? rwsem_down_write_failed+0xe/0x10
[  416.754921]  ? rwsem_down_write_failed+0xe/0x10
[  416.759596]  ? call_rwsem_down_write_failed+0x17/0x30
[  416.764793]  unmap_single_vma+0x19b/0x310
[  416.768954]  unmap_vmas+0x125/0x200
[  416.772586]  exit_mmap+0x2be/0x590
[  416.776129]  ? __ia32_sys_munmap+0x80/0x80
[  416.780396]  ? __might_sleep+0x95/0x190
[  416.784385]  mmput+0x247/0x610
[  416.787585]  ? lock_downgrade+0x900/0x900
[  416.791744]  ? set_mm_exe_file+0x200/0x200
[  416.795993]  ? kasan_check_read+0x11/0x20
[  416.800184]  ? do_raw_spin_unlock+0xa7/0x2f0
[  416.804600]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  416.809189]  ? kasan_check_write+0x14/0x20
[  416.813433]  ? do_raw_spin_lock+0xc1/0x200
[  416.817676]  do_exit+0xe6f/0x2610
[  416.821131]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  416.826157]  ? mm_update_next_owner+0x990/0x990
[  416.830840]  ? print_usage_bug+0xc0/0xc0
[  416.834923]  ? graph_lock+0x170/0x170
[  416.838731]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.844294]  ? check_preemption_disabled+0x48/0x200
[  416.849370]  ? check_preemption_disabled+0x48/0x200
[  416.854395]  ? print_usage_bug+0xc0/0xc0
[  416.858472]  ? __lock_acquire+0x7ec/0x4ec0
[  416.862731]  ? __lock_acquire+0x7ec/0x4ec0
[  416.867010]  ? mark_held_locks+0x130/0x130
[  416.871272]  ? mark_held_locks+0x130/0x130
[  416.875507]  ? kasan_check_write+0x14/0x20
[  416.879745]  ? finish_task_switch+0x2f5/0x900
[  416.884241]  ? __switch_to_asm+0x40/0x70
[  416.888307]  ? __switch_to_asm+0x34/0x70
[  416.892384]  ? __switch_to_asm+0x34/0x70
[  416.896446]  ? __switch_to_asm+0x40/0x70
[  416.900504]  ? __switch_to_asm+0x34/0x70
[  416.904580]  ? __switch_to_asm+0x40/0x70
[  416.908652]  ? __switch_to_asm+0x34/0x70
[  416.912715]  ? __switch_to_asm+0x34/0x70
[  416.916778]  ? __switch_to_asm+0x34/0x70
[  416.920860]  ? __switch_to_asm+0x34/0x70
[  416.924925]  ? __switch_to_asm+0x40/0x70
[  416.928990]  ? __switch_to_asm+0x34/0x70
[  416.933056]  ? __switch_to_asm+0x40/0x70
[  416.937124]  ? graph_lock+0x170/0x170
[  416.940924]  ? graph_lock+0x170/0x170
[  416.944735]  ? graph_lock+0x170/0x170
[  416.948544]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  416.954088]  ? wait_consider_task+0x245/0x3bb0
[  416.958675]  ? memset+0x31/0x40
[  416.961962]  ? find_held_lock+0x36/0x1c0
[  416.966047]  ? get_signal+0x95b/0x1980
[  416.969938]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.974461]  ? _raw_spin_unlock_irq+0x27/0x80
[  416.978989]  do_group_exit+0x177/0x440
[  416.982886]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  416.988355]  ? __ia32_sys_exit+0x50/0x50
[  416.992452]  get_signal+0x8b0/0x1980
[  416.996189]  ? ptrace_notify+0x130/0x130
[  417.000265]  ? do_wait+0x57d/0xb90
[  417.003826]  ? wait_consider_task+0x3bb0/0x3bb0
[  417.008493]  ? graph_lock+0x170/0x170
[  417.012295]  ? graph_lock+0x170/0x170
[  417.016098]  ? graph_lock+0x170/0x170
[  417.019927]  do_signal+0x9c/0x21e0
[  417.023473]  ? find_held_lock+0x36/0x1c0
[  417.027547]  ? setup_sigcontext+0x7d0/0x7d0
[  417.031872]  ? kernel_wait4+0x2e0/0x3f0
[  417.035853]  ? __ia32_sys_waitid+0x140/0x140
[  417.040274]  ? task_stopped_code+0x190/0x190
[  417.044690]  ? exit_to_usermode_loop+0x8c/0x380
[  417.049388]  ? __do_page_fault+0x4a6/0xed0
[  417.053629]  ? do_syscall_64+0x9a/0x820
[  417.057610]  ? do_syscall_64+0x9a/0x820
[  417.061594]  exit_to_usermode_loop+0x2e5/0x380
[  417.066193]  ? syscall_slow_exit_work+0x520/0x520
[  417.071051]  do_syscall_64+0x6be/0x820
[  417.074947]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  417.080336]  ? syscall_return_slowpath+0x5e0/0x5e0
[  417.085273]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.090130]  ? trace_hardirqs_on_caller+0x310/0x310
[  417.095159]  ? prepare_exit_to_usermode+0x291/0x3b0
[  417.100183]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  417.105053]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  417.110250] RIP: 0033:0x41124a
[  417.113452] Code: Bad RIP value.
[  417.116813] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  417.124527] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  417.131799] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  417.139080] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  417.146351] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  417.153632] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  417.160966] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  417.160972] warn_alloc_show_mem: 1 callbacks suppressed
[  417.160979] Mem-Info:
[  417.168271] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  417.168281] Call Trace:
[  417.173661] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  417.173661]  active_file:8 inactive_file:19 isolated_file:0
[  417.173661]  unevictable:0 dirty:0 writeback:0 unstable:0
[  417.173661]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  417.173661]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  417.173661]  free:13709 free_pcp:257 free_cma:0
[  417.176036]  <IRQ>
[  417.185406] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  417.188030]  dump_stack+0x1c4/0x2b4
[  417.220969] Node 0 
[  417.223150]  ? dump_stack_print_info.cold.2+0x52/0x52
[  417.250941] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  417.254578]  warn_alloc.cold.119+0xb7/0x1bd
[  417.256779] lowmem_reserve[]: 0
[  417.261988]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  417.287462]  2819 6323
[  417.291798]  ? lock_downgrade+0x900/0x900
[  417.295065]  6323
[  417.299911]  ? trace_hardirqs_off+0xb8/0x310
[  417.306561]  ? trace_hardirqs_off+0xb8/0x310
[  417.308601] Node 0 
[  417.313015]  __alloc_pages_slowpath+0x2667/0x2d80
[  417.317432] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  417.317440] lowmem_reserve[]:
[  417.319700]  ? warn_alloc+0x120/0x120
[  417.324519]  0
[  417.351236]  ? lock_release+0x970/0x970
[  417.354330]  0
[  417.358141]  ? warn_alloc+0x120/0x120
[  417.359923]  3503
[  417.363892]  ? print_usage_bug+0xc0/0xc0
[  417.365675]  3503
[  417.369480]  ? warn_alloc+0x120/0x120
[  417.371555] Node 0 
[  417.375616]  ? print_usage_bug+0xc0/0xc0
[  417.377701] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  417.381473]  ? __lock_acquire+0x7ec/0x4ec0
[  417.383686] lowmem_reserve[]: 0
[  417.387758]  ? __lock_acquire+0x7ec/0x4ec0
[  417.416121]  0
[  417.420360]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.423635]  0
[  417.427870]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  417.429652]  0
[  417.435188]  ? should_fail+0x22d/0xd01
[  417.436980] Node 0 
[  417.442516]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.444298] DMA: 
[  417.448199]  ? __lock_acquire+0x7ec/0x4ec0
[  417.450415] 1*4kB 
[  417.455512]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  417.457556] (U) 
[  417.461834]  ? __lock_acquire+0x7ec/0x4ec0
[  417.463964] 0*8kB 
[  417.469064]  ? should_fail+0x22d/0xd01
[  417.471023] 0*16kB 
[  417.475260]  ? mark_held_locks+0x130/0x130
[  417.477387] 1*32kB 
[  417.481283]  ? mark_held_locks+0x130/0x130
[  417.483520] (U) 
[  417.487775]  ? graph_lock+0x170/0x170
[  417.490016] 2*64kB 
[  417.494260]  ? print_usage_bug+0xc0/0xc0
[  417.496217] (U) 
[  417.500018]  ? graph_lock+0x170/0x170
[  417.502237] 1*128kB 
[  417.506319]  ? print_usage_bug+0xc0/0xc0
[  417.508289] (U) 
[  417.512089]  ? wq_watchdog_touch+0x9c/0xfe
[  417.514408] 1*256kB 
[  417.518468]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.520423] (U) 
[  417.524657]  ? check_preemption_disabled+0x48/0x200
[  417.526957] 0*512kB 
[  417.532493]  ? check_preemption_disabled+0x48/0x200
[  417.534454] 1*1024kB 
[  417.539473]  ? __lock_is_held+0xb5/0x140
[  417.541774] (U) 
[  417.546794]  __alloc_pages_nodemask+0xa80/0xde0
[  417.549178] 1*2048kB (M) 
[  417.553248]  ? graph_lock+0x170/0x170
[  417.555208] 3*4096kB 
[  417.559877]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  417.562615] (M) 
[  417.566416]  ? graph_lock+0x170/0x170
[  417.568820] = 15908kB
[  417.573840]  ? find_held_lock+0x36/0x1c0
[  417.575791] Node 0 
[  417.579600]  ? ____cache_alloc_node+0x1c7/0x1e0
[  417.581984] DMA32: 
[  417.586045]  ? lock_downgrade+0x900/0x900
[  417.588263] 4*4kB 
[  417.592952]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.595164] (UM) 
[  417.599321]  cache_grow_begin+0x91/0x8c0
[  417.601448] 2*8kB 
[  417.606981]  ? do_raw_spin_unlock+0xa7/0x2f0
[  417.609022] (UM) 
[  417.613088]  fallback_alloc+0x203/0x2e0
[  417.615252] 2*16kB 
[  417.619656]  ____cache_alloc_node+0x1c7/0x1e0
[  417.621702] (M) 
[  417.625679]  kmem_cache_alloc_node+0xe3/0x730
[  417.627895] 3*32kB 
[  417.632404]  ? ipv6_get_ifaddr+0x42e/0x620
[  417.634358] (UM) 
[  417.638894]  __alloc_skb+0x119/0x770
[  417.641114] 5*64kB 
[  417.645371]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  417.645398]  ? skb_scrub_packet+0x490/0x490
[  417.645412]  ? lock_downgrade+0x900/0x900
[  417.645532]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.647578] (UM) 
[  417.651288]  ? refcount_sub_and_test_checked+0x203/0x310
[  417.651306]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  417.651323]  ? addrconf_rs_timer+0x690/0x690
[  417.653548] 4*128kB 
[  417.658827]  ndisc_alloc_skb+0x144/0x340
[  417.658847]  ndisc_send_rs+0x331/0x6e0
[  417.658865]  addrconf_rs_timer+0x314/0x690
[  417.658883]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.658911]  call_timer_fn+0x272/0x920
[  417.658923]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.659196]  ? process_timeout+0x40/0x40
[  417.663530] (UM) 
[  417.667676]  ? find_held_lock+0x36/0x1c0
[  417.673194] 4*256kB 
[  417.675258]  ? __run_timers+0x7da/0xc70
[  417.680911] (UM) 3*512kB 
[  417.686393]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.690793] (M) 
[  417.693130]  ? _raw_spin_unlock_irq+0x27/0x80
[  417.697167] 3*1024kB 
[  417.701055]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.705269] (UM) 
[  417.709504]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  417.713379] 3*2048kB 
[  417.717617]  ? trace_hardirqs_on+0xbd/0x310
[  417.721665] (M) 
[  417.723732]  ? kasan_check_read+0x11/0x20
[  417.727767] 3*4096kB (M) 
[  417.730109]  ? __run_timers+0x7da/0xc70
[  417.734061] = 25056kB
[  417.736821]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  417.741298] Node 0 
[  417.743279]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.747754] Normal: 
[  417.750168]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  417.754403] 798*4kB 
[  417.756466]  __run_timers+0x7e5/0xc70
[  417.761022] (ME) 
[  417.763442]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  417.767737] 471*8kB 
[  417.769739]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  417.773865] (UME) 
[  417.776621]  ? graph_lock+0x170/0x170
[  417.780583] 208*16kB 
[  417.782986]  ? enqueue_hrtimer+0x1a5/0x560
[  417.788432] (UME) 
[  417.790667]  ? lock_release+0x970/0x970
[  417.794876] 76*32kB (UME) 
[  417.797211]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  417.801429] 4*64kB 
[  417.803766]  ? find_held_lock+0x36/0x1c0
[  417.807545] (M) 
[  417.809617]  ? graph_lock+0x170/0x170
[  417.814970] 1*128kB 
[  417.817285]  ? pvclock_read_flags+0x160/0x160
[  417.822278] (U) 
[  417.824429]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.828224] 1*256kB 
[  417.830634]  ? check_preemption_disabled+0x48/0x200
[  417.834861] (U) 
[  417.837030]  ? __lock_is_held+0xb5/0x140
[  417.840978] 1*512kB 
[  417.843836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.848998] (U) 
[  417.851232]  ? check_preemption_disabled+0x48/0x200
[  417.855277] 0*1024kB 
[  417.857261]  run_timer_softirq+0x52/0xb0
[  417.861045] 0*2048kB 
[  417.863367]  ? rcu_read_lock_sched_held+0x108/0x120
[  417.867845] 0*4096kB 
[  417.869836]  __do_softirq+0x30b/0xad8
[  417.875353] = 13872kB
[  417.877681]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  417.882688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  417.885188]  ? pvclock_read_flags+0x160/0x160
[  417.889230] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  417.889239] 1299 total pagecache pages
[  417.891564]  ? lapic_next_event+0x5a/0x90
[  417.897347] 0 pages in swap cache
[  417.899822]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.904821] Swap cache stats: add 0, delete 0, find 0/0
[  417.907224]  ? check_preemption_disabled+0x48/0x200
[  417.911272] Free swap  = 0kB
[  417.913691]  ? check_preemption_disabled+0x48/0x200
[  417.918690] Total swap = 0kB
[  417.921099]  ? kvm_clock_read+0x18/0x30
[  417.924875] 1965979 pages RAM
[  417.927284]  ? kvm_sched_clock_read+0x9/0x20
[  417.932369] 0 pages HighMem/MovableOnly
[  417.941205]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  417.945676] 342306 pages reserved
[  417.945686] 0 pages cma reserved
[  417.954262]  ? check_preemption_disabled+0x48/0x200
[  417.958204] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  417.962283]  irq_exit+0x17f/0x1c0
[  417.965851] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  417.971254]  smp_apic_timer_interrupt+0x1cb/0x760
[  417.976600] syz-executor1 cpuset=
[  417.981615]  ? smp_reschedule_interrupt+0x109/0x650
[  417.984613] /
[  417.989638]  ? smp_call_function_single_interrupt+0x650/0x650
[  417.992663]  mems_allowed=0
[  417.996642]  ? interrupt_entry+0xb5/0xf0
[  418.073714]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.079235]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.084267]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.089121]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.094136]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.099189]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.104734]  ? check_preemption_disabled+0x48/0x200
[  418.109763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.115312]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.120163]  apic_timer_interrupt+0xf/0x20
[  418.124398]  </IRQ>
[  418.126643] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  418.131578] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  418.151318] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  418.159062] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  418.166329] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  418.173600] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  418.180882] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  418.188165] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  418.195485]  skb_clone+0x1bb/0x500
[  418.199030]  ? finish_task_switch+0x1b5/0x900
[  418.203530]  ? skb_split+0x11e0/0x11e0
[  418.207429]  ? preempt_notifier_register+0x200/0x200
[  418.212537]  ? __switch_to_asm+0x34/0x70
[  418.216602]  ? __switch_to_asm+0x34/0x70
[  418.220670]  ? __switch_to_asm+0x40/0x70
[  418.224731]  ? __switch_to_asm+0x34/0x70
[  418.228798]  ? __switch_to_asm+0x40/0x70
[  418.232857]  ? __switch_to_asm+0x34/0x70
[  418.236915]  ? __switch_to_asm+0x40/0x70
[  418.240974]  ? __switch_to_asm+0x34/0x70
[  418.245040]  ? __switch_to_asm+0x34/0x70
[  418.249109]  ? __switch_to_asm+0x40/0x70
[  418.253198]  ? __switch_to_asm+0x34/0x70
[  418.257269]  bpf_clone_redirect+0xb9/0x490
[  418.261511]  ? __schedule+0x874/0x1ed0
[  418.265426]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  418.270450]  ? __sched_text_start+0x8/0x8
[  418.274602]  ? lockdep_hardirqs_on+0x421/0x5c0
[  418.279199]  ? retint_kernel+0x2d/0x2d
[  418.283090]  ? trace_hardirqs_on_caller+0xc0/0x310
[  418.288028]  ? find_held_lock+0x36/0x1c0
[  418.292119]  ? lock_acquire+0x1ed/0x520
[  418.296106]  ? bpf_test_run+0x3cb/0x780
[  418.300082]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.305622]  ? check_preemption_disabled+0x48/0x200
[  418.310644]  ? kasan_check_read+0x11/0x20
[  418.314808]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  418.320090]  ? rcu_bh_qs+0xc0/0xc0
[  418.323634]  ? preempt_schedule+0x4d/0x60
[  418.327791]  ? ___preempt_schedule+0x16/0x18
[  418.332209]  ? bpf_test_run+0x25d/0x780
[  418.336199]  ? netlink_diag_dump+0x2a0/0x2a0
[  418.340613]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.346156]  ? bpf_test_init.isra.9+0x70/0x100
[  418.350747]  ? bpf_prog_test_run_skb+0x634/0xb40
[  418.355516]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  418.360367]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  418.365911]  ? fput+0x130/0x1a0
[  418.369195]  ? __bpf_prog_get+0x9b/0x290
[  418.373260]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  418.378106]  ? bpf_prog_test_run+0x130/0x1a0
[  418.382523]  ? __x64_sys_bpf+0x3d8/0x510
[  418.386586]  ? bpf_prog_get+0x20/0x20
[  418.390439]  ? do_syscall_64+0x1b9/0x820
[  418.394514]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  418.399878]  ? syscall_return_slowpath+0x5e0/0x5e0
[  418.404859]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.409912]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  418.414936]  ? recalc_sigpending_tsk+0x180/0x180
[  418.419697]  ? kasan_check_write+0x14/0x20
[  418.423942]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.428799]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  418.434185] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  418.434283] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  418.441479] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  418.441485] Call Trace:
[  418.441493]  <IRQ>
[  418.441511]  dump_stack+0x1c4/0x2b4
[  418.441535]  ? dump_stack_print_info.cold.2+0x52/0x52
[  418.448189] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  418.457385]  warn_alloc.cold.119+0xb7/0x1bd
[  418.459938] syz-executor4 cpuset=
[  418.462108]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  418.465713] syz4
[  418.470913]  ? lock_downgrade+0x900/0x900
[  418.481379]  mems_allowed=0
[  418.485714]  ? trace_hardirqs_off+0xb8/0x310
[  418.507517]  ? trace_hardirqs_off+0xb8/0x310
[  418.511943]  __alloc_pages_slowpath+0x2667/0x2d80
[  418.516821]  ? warn_alloc+0x120/0x120
[  418.520635]  ? warn_alloc+0x120/0x120
[  418.524442]  ? print_usage_bug+0xc0/0xc0
[  418.528518]  ? warn_alloc+0x120/0x120
[  418.532332]  ? print_usage_bug+0xc0/0xc0
[  418.536403]  ? warn_alloc+0x120/0x120
[  418.540216]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  418.545757]  ? should_fail+0x22d/0xd01
[  418.549659]  ? __lock_acquire+0x7ec/0x4ec0
[  418.553924]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.559059]  ? __lock_acquire+0x7ec/0x4ec0
[  418.563305]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  418.568418]  ? __lock_acquire+0x7ec/0x4ec0
[  418.572654]  ? should_fail+0x22d/0xd01
[  418.576555]  ? mark_held_locks+0x130/0x130
[  418.580803]  ? mark_held_locks+0x130/0x130
[  418.585049]  ? graph_lock+0x170/0x170
[  418.588859]  ? print_usage_bug+0xc0/0xc0
[  418.592925]  ? mark_held_locks+0x130/0x130
[  418.597161]  ? wq_watchdog_touch+0x9c/0xfe
[  418.601399]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.606941]  ? check_preemption_disabled+0x48/0x200
[  418.611955]  ? check_preemption_disabled+0x48/0x200
[  418.616990]  ? __lock_is_held+0xb5/0x140
[  418.621052]  __alloc_pages_nodemask+0xa80/0xde0
[  418.625736]  ? graph_lock+0x170/0x170
[  418.629571]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  418.634584]  ? graph_lock+0x170/0x170
[  418.638421]  ? find_held_lock+0x36/0x1c0
[  418.642520]  ? ____cache_alloc_node+0x1c7/0x1e0
[  418.647214]  ? lock_downgrade+0x900/0x900
[  418.651382]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.656928]  cache_grow_begin+0x91/0x8c0
[  418.661018]  ? do_raw_spin_unlock+0xa7/0x2f0
[  418.665451]  fallback_alloc+0x203/0x2e0
[  418.669465]  ____cache_alloc_node+0x1c7/0x1e0
[  418.673984]  kmem_cache_alloc_node+0xe3/0x730
[  418.678483]  ? ipv6_get_ifaddr+0x42e/0x620
[  418.682756]  __alloc_skb+0x119/0x770
[  418.686486]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  418.691778]  ? skb_scrub_packet+0x490/0x490
[  418.696121]  ? lock_downgrade+0x900/0x900
[  418.700286]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.705828]  ? refcount_sub_and_test_checked+0x203/0x310
[  418.711294]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  418.716765]  ? addrconf_rs_timer+0x690/0x690
[  418.721198]  ndisc_alloc_skb+0x144/0x340
[  418.725273]  ndisc_send_rs+0x331/0x6e0
[  418.729165]  addrconf_rs_timer+0x314/0x690
[  418.733418]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.737673]  call_timer_fn+0x272/0x920
[  418.741558]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.745800]  ? process_timeout+0x40/0x40
[  418.750018]  ? find_held_lock+0x36/0x1c0
[  418.754091]  ? mark_held_locks+0xc7/0x130
[  418.758250]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.762966]  ? _raw_spin_unlock_irq+0x27/0x80
[  418.767464]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.771727]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  418.776317]  ? trace_hardirqs_on+0xbd/0x310
[  418.780642]  ? kasan_check_read+0x11/0x20
[  418.784801]  ? __run_timers+0x7da/0xc70
[  418.788781]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  418.794259]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  418.798503]  __run_timers+0x7e5/0xc70
[  418.802319]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  418.807689]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  418.812709]  ? graph_lock+0x170/0x170
[  418.816517]  ? print_usage_bug+0xc0/0xc0
[  418.820579]  ? lock_release+0x970/0x970
[  418.824558]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  418.829759]  ? find_held_lock+0x36/0x1c0
[  418.833828]  ? graph_lock+0x170/0x170
[  418.837639]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.843185]  ? check_preemption_disabled+0x48/0x200
[  418.848216]  ? __lock_is_held+0xb5/0x140
[  418.852284]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.857826]  ? check_preemption_disabled+0x48/0x200
[  418.862879]  run_timer_softirq+0x52/0xb0
[  418.866949]  ? rcu_read_lock_sched_held+0x108/0x120
[  418.871963]  __do_softirq+0x30b/0xad8
[  418.875785]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  418.880895]  ? pvclock_read_flags+0x160/0x160
[  418.885399]  ? lapic_next_event+0x5a/0x90
[  418.889565]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.895626]  ? check_preemption_disabled+0x48/0x200
[  418.900642]  ? check_preemption_disabled+0x48/0x200
[  418.905666]  ? kvm_clock_read+0x18/0x30
[  418.909645]  ? kvm_sched_clock_read+0x9/0x20
[  418.914058]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.919599]  ? check_preemption_disabled+0x48/0x200
[  418.924632]  irq_exit+0x17f/0x1c0
[  418.928105]  smp_apic_timer_interrupt+0x1cb/0x760
[  418.932949]  ? smp_call_function_single_interrupt+0x650/0x650
[  418.938847]  ? interrupt_entry+0xb5/0xf0
[  418.942928]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.947956]  ? trace_hardirqs_off_caller+0xbb/0x310
[  418.952987]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.957831]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.962844]  ? trace_hardirqs_on_caller+0x310/0x310
[  418.967862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.973404]  ? check_preemption_disabled+0x48/0x200
[  418.978440]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  418.983989]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  418.988850]  apic_timer_interrupt+0xf/0x20
[  418.993080]  </IRQ>
[  418.995331] RIP: 0010:lock_acquire+0x268/0x520
[  418.999924] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  419.018826] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  419.026551] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  419.033820] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  419.041116] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  419.048406] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  419.055686] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  419.062989]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.068551]  ? lock_release+0x970/0x970
[  419.072540]  ? activate_page+0x1040/0x1040
[  419.076798]  ? __unlock_page_memcg+0x53/0x100
[  419.081328]  ? check_preemption_disabled+0x48/0x200
[  419.086352]  lock_page_memcg+0x95/0x350
[  419.090325]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  419.095518]  ? rcu_bh_qs+0xc0/0xc0
[  419.099066]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  419.104311]  page_remove_rmap+0x855/0x1a30
[  419.108569]  ? page_add_file_rmap+0x1470/0x1470
[  419.113246]  ? __lock_is_held+0xb5/0x140
[  419.117362]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.122909]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.128483]  ? lru_add_drain_cpu+0x1c0/0x500
[  419.132922]  ? free_pages_and_swap_cache+0x475/0x6f0
[  419.138047]  ? free_page_and_swap_cache+0x950/0x950
[  419.143076]  ? kasan_check_read+0x11/0x20
[  419.147227]  ? page_mapcount+0x3b5/0x5d0
[  419.151295]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  419.156164]  ? lock_downgrade+0x900/0x900
[  419.160324]  ? lock_release+0x970/0x970
[  419.164317]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  419.169337]  ? _vm_normal_page+0x161/0x3c0
[  419.173577]  ? __pte_alloc_kernel+0x220/0x220
[  419.178075]  ? kasan_check_write+0x14/0x20
[  419.182319]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  419.187344]  ? __tlb_remove_page_size+0x187/0x500
[  419.192197]  unmap_page_range+0xf14/0x2030
[  419.196463]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  419.200965]  ? search_extable+0x80/0xb0
[  419.204947]  ? trim_init_extable+0x3a0/0x3a0
[  419.209363]  ? __get_user_8+0x21/0x2b
[  419.213171]  ? print_usage_bug+0xc0/0xc0
[  419.217242]  ? __lock_acquire+0x7ec/0x4ec0
[  419.221482]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  419.227025]  ? no_context+0xd9/0x980
[  419.230737]  ? lock_downgrade+0x900/0x900
[  419.234885]  ? graph_lock+0x170/0x170
[  419.238707]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.244250]  ? tlb_flush_mmu_free+0x135/0x1b0
[  419.248756]  ? find_held_lock+0x36/0x1c0
[  419.252828]  ? exit_mmap+0x4bb/0x590
[  419.256552]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.262100]  ? uprobe_munmap+0x14c/0x450
[  419.266195]  ? uprobe_mmap+0xd50/0xd50
[  419.270079]  ? lock_release+0x970/0x970
[  419.274065]  ? arch_local_save_flags+0x40/0x40
[  419.278661]  ? rwsem_down_write_failed+0xe/0x10
[  419.283334]  ? rwsem_down_write_failed+0xe/0x10
[  419.288006]  ? call_rwsem_down_write_failed+0x17/0x30
[  419.293212]  unmap_single_vma+0x19b/0x310
[  419.297392]  unmap_vmas+0x125/0x200
[  419.301025]  exit_mmap+0x2be/0x590
[  419.304584]  ? __ia32_sys_munmap+0x80/0x80
[  419.308868]  ? __might_sleep+0x95/0x190
[  419.312861]  mmput+0x247/0x610
[  419.316062]  ? lock_downgrade+0x900/0x900
[  419.320216]  ? set_mm_exe_file+0x200/0x200
[  419.324464]  ? kasan_check_read+0x11/0x20
[  419.328648]  ? do_raw_spin_unlock+0xa7/0x2f0
[  419.333068]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  419.337661]  ? kasan_check_write+0x14/0x20
[  419.341904]  ? do_raw_spin_lock+0xc1/0x200
[  419.346146]  do_exit+0xe6f/0x2610
[  419.349609]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  419.354647]  ? mm_update_next_owner+0x990/0x990
[  419.359329]  ? print_usage_bug+0xc0/0xc0
[  419.363396]  ? graph_lock+0x170/0x170
[  419.367206]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.372761]  ? check_preemption_disabled+0x48/0x200
[  419.377779]  ? check_preemption_disabled+0x48/0x200
[  419.382800]  ? print_usage_bug+0xc0/0xc0
[  419.386862]  ? __lock_acquire+0x7ec/0x4ec0
[  419.391140]  ? __lock_acquire+0x7ec/0x4ec0
[  419.395397]  ? mark_held_locks+0x130/0x130
[  419.399675]  ? mark_held_locks+0x130/0x130
[  419.403912]  ? kasan_check_write+0x14/0x20
[  419.408150]  ? finish_task_switch+0x2f5/0x900
[  419.412650]  ? __switch_to_asm+0x40/0x70
[  419.416726]  ? __switch_to_asm+0x34/0x70
[  419.420788]  ? __switch_to_asm+0x34/0x70
[  419.424849]  ? __switch_to_asm+0x40/0x70
[  419.428913]  ? __switch_to_asm+0x34/0x70
[  419.432975]  ? __switch_to_asm+0x40/0x70
[  419.437038]  ? __switch_to_asm+0x34/0x70
[  419.441126]  ? __switch_to_asm+0x34/0x70
[  419.445207]  ? __switch_to_asm+0x34/0x70
[  419.449271]  ? __switch_to_asm+0x34/0x70
[  419.453334]  ? __switch_to_asm+0x40/0x70
[  419.457532]  ? __switch_to_asm+0x34/0x70
[  419.461596]  ? __switch_to_asm+0x40/0x70
[  419.465693]  ? graph_lock+0x170/0x170
[  419.469502]  ? graph_lock+0x170/0x170
[  419.473313]  ? graph_lock+0x170/0x170
[  419.477131]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.482671]  ? wait_consider_task+0x245/0x3bb0
[  419.487297]  ? memset+0x31/0x40
[  419.490625]  ? find_held_lock+0x36/0x1c0
[  419.494697]  ? get_signal+0x95b/0x1980
[  419.498594]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.503132]  ? _raw_spin_unlock_irq+0x27/0x80
[  419.507653]  do_group_exit+0x177/0x440
[  419.511551]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  419.517004]  ? __ia32_sys_exit+0x50/0x50
[  419.521080]  get_signal+0x8b0/0x1980
[  419.524807]  ? ptrace_notify+0x130/0x130
[  419.528868]  ? do_wait+0x57d/0xb90
[  419.532417]  ? wait_consider_task+0x3bb0/0x3bb0
[  419.537110]  ? graph_lock+0x170/0x170
[  419.540935]  ? graph_lock+0x170/0x170
[  419.544738]  ? graph_lock+0x170/0x170
[  419.548569]  do_signal+0x9c/0x21e0
[  419.552117]  ? find_held_lock+0x36/0x1c0
[  419.556190]  ? setup_sigcontext+0x7d0/0x7d0
[  419.560531]  ? kernel_wait4+0x2e0/0x3f0
[  419.564540]  ? __ia32_sys_waitid+0x140/0x140
[  419.568958]  ? task_stopped_code+0x190/0x190
[  419.573373]  ? exit_to_usermode_loop+0x8c/0x380
[  419.578075]  ? __do_page_fault+0x4a6/0xed0
[  419.582312]  ? do_syscall_64+0x9a/0x820
[  419.586302]  ? do_syscall_64+0x9a/0x820
[  419.590293]  exit_to_usermode_loop+0x2e5/0x380
[  419.594899]  ? syscall_slow_exit_work+0x520/0x520
[  419.599767]  do_syscall_64+0x6be/0x820
[  419.603658]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  419.609031]  ? syscall_return_slowpath+0x5e0/0x5e0
[  419.613963]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.618838]  ? trace_hardirqs_on_caller+0x310/0x310
[  419.623873]  ? prepare_exit_to_usermode+0x291/0x3b0
[  419.628906]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  419.633766]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  419.638960] RIP: 0033:0x41124a
[  419.642163] Code: Bad RIP value.
[  419.645554] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  419.653268] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  419.660557] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  419.667841] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  419.675239] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  419.682523] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  419.689821] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  419.689827] warn_alloc_show_mem: 1 callbacks suppressed
[  419.689835] Mem-Info:
[  419.697126] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  419.702507] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  419.702507]  active_file:8 inactive_file:19 isolated_file:0
[  419.702507]  unevictable:0 dirty:0 writeback:0 unstable:0
[  419.702507]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  419.702507]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  419.702507]  free:13709 free_pcp:257 free_cma:0
[  419.704881] Call Trace:
[  419.714279] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  419.747220]  <IRQ>
[  419.747245]  dump_stack+0x1c4/0x2b4
[  419.747263]  ? dump_stack_print_info.cold.2+0x52/0x52
[  419.747290]  warn_alloc.cold.119+0xb7/0x1bd
[  419.747306]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  419.747324]  ? lock_downgrade+0x900/0x900
[  419.747346]  ? trace_hardirqs_off+0xb8/0x310
[  419.747365]  ? trace_hardirqs_off+0xb8/0x310
[  419.747387]  __alloc_pages_slowpath+0x2667/0x2d80
[  419.747435]  ? warn_alloc+0x120/0x120
[  419.750007] Node 0 
[  419.777696]  ? trace_hardirqs_on+0x310/0x310
[  419.779854] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  419.783462]  ? warn_alloc+0x120/0x120
[  419.788743] lowmem_reserve[]: 0
[  419.793076]  ? print_usage_bug+0xc0/0xc0
[  419.797900]  2819
[  419.802057]  ? warn_alloc+0x120/0x120
[  419.806460]  6323
[  419.810875]  ? ktime_get+0x2e1/0x440
[  419.815708]  6323
[  419.819516]  ? print_usage_bug+0xc0/0xc0
[  419.826163]  ? __lock_acquire+0x7ec/0x4ec0
[  419.851861] Node 0 
[  419.855663]  ? __lock_acquire+0x7ec/0x4ec0
[  419.858981] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  419.863020]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  419.865125] lowmem_reserve[]: 0
[  419.868964]  ? should_fail+0x22d/0xd01
[  419.871009]  0
[  419.874730]  ? __lock_acquire+0x7ec/0x4ec0
[  419.876926]  3503
[  419.880995]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.885220]  3503
[  419.887481]  ? __lock_acquire+0x7ec/0x4ec0
[  419.891701] Node 0 
[  419.918428]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  419.923970] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  419.927227]  ? __lock_acquire+0x7ec/0x4ec0
[  419.931094] lowmem_reserve[]: 0
[  419.932921]  ? should_fail+0x22d/0xd01
[  419.937132]  0 0
[  419.939232]  ? mark_held_locks+0x130/0x130
[  419.944311]  0
[  419.946411]  ? mark_held_locks+0x130/0x130
[  419.950618] Node 0 
[  419.952859]  ? graph_lock+0x170/0x170
[  419.957962] DMA: 
[  419.986331]  ? print_usage_bug+0xc0/0xc0
[  419.990549] 1*4kB 
[  419.993836]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  419.997700] (U) 
[  419.999677]  ? check_preemption_disabled+0x48/0x200
[  420.003896] 0*8kB 
[  420.005704]  ? check_preemption_disabled+0x48/0x200
[  420.009924] 0*16kB 1*32kB 
[  420.012179]  ? __lock_is_held+0xb5/0x140
[  420.012201]  __alloc_pages_nodemask+0xa80/0xde0
[  420.012295]  ? graph_lock+0x170/0x170
[  420.016086] (U) 
[  420.018154]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  420.022353] 2*64kB 
[  420.024518]  ? graph_lock+0x170/0x170
[  420.030785] (U) 1*128kB 
[  420.032810]  ? find_held_lock+0x36/0x1c0
[  420.038021] (U) 
[  420.040178]  ? ____cache_alloc_node+0x1c7/0x1e0
[  420.045342] 1*256kB (U) 
[  420.048213]  ? lock_downgrade+0x900/0x900
[  420.048237]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.052761] 0*512kB 
[  420.057435]  cache_grow_begin+0x91/0x8c0
[  420.057451]  ? do_raw_spin_unlock+0xa7/0x2f0
[  420.057471]  fallback_alloc+0x203/0x2e0
[  420.061427] 1*1024kB 
[  420.063411]  ____cache_alloc_node+0x1c7/0x1e0
[  420.068936] (U) 
[  420.071176]  kmem_cache_alloc_node+0xe3/0x730
[  420.075390] 1*2048kB (M) 3*4096kB 
[  420.078086]  ? ipv6_get_ifaddr+0x42e/0x620
[  420.082639] (M) = 15908kB
[  420.084631]  __alloc_skb+0x119/0x770
[  420.089418] Node 0 
[  420.092096]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  420.096235] DMA32: 
[  420.101771]  ? skb_scrub_packet+0x490/0x490
[  420.104076] 4*4kB 
[  420.108135]  ? lock_downgrade+0x900/0x900
[  420.112524] (UM) 
[  420.116506]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.118898] 2*8kB 
[  420.123404]  ? refcount_sub_and_test_checked+0x203/0x310
[  420.125352] (UM) 
[  420.129856]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  420.133370] 2*16kB (M) 
[  420.137626]  ? addrconf_rs_timer+0x690/0x690
[  420.140374] 3*32kB 
[  420.144100]  ndisc_alloc_skb+0x144/0x340
[  420.146309] (UM) 
[  420.151588]  ndisc_send_rs+0x331/0x6e0
[  420.153807] 5*64kB 
[  420.158143]  addrconf_rs_timer+0x314/0x690
[  420.160271] (UM) 
[  420.164435]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.166483] 4*128kB 
[  420.172052]  call_timer_fn+0x272/0x920
[  420.174173] (UM) 
[  420.179620]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.182230] 4*256kB (UM) 
[  420.187711]  ? process_timeout+0x40/0x40
[  420.190284] 3*512kB 
[  420.194699]  ? find_held_lock+0x36/0x1c0
[  420.196918] (M) 
[  420.200985]  ? __run_timers+0x7da/0xc70
[  420.203026] 3*1024kB 
[  420.206957]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.209173] (UM) 
[  420.213408]  ? _raw_spin_unlock_irq+0x27/0x80
[  420.215453] 3*2048kB 
[  420.219683]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.221986] (M) 
[  420.225891]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  420.227941] 3*4096kB 
[  420.232176]  ? trace_hardirqs_on+0xbd/0x310
[  420.234914] (M) 
[  420.238974]  ? kasan_check_read+0x11/0x20
[  420.241280] = 25056kB
[  420.245339]  ? __run_timers+0x7da/0xc70
[  420.247294] Node 0 
[  420.251265]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  420.253658] Normal: 
[  420.258180]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  420.260221] 798*4kB 
[  420.264714]  __run_timers+0x7e5/0xc70
[  420.267103] (ME) 
[  420.271339]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  420.273296] 471*8kB 
[  420.277869]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  420.280253] (UME) 
[  420.284567]  ? graph_lock+0x170/0x170
[  420.286548] 208*16kB 
[  420.290701]  ? enqueue_hrtimer+0x1a5/0x560
[  420.293116] (UME) 76*32kB 
[  420.297100]  ? lock_release+0x970/0x970
[  420.299315] (UME) 
[  420.304791]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  420.307091] 4*64kB (M) 
[  420.311334]  ? find_held_lock+0x36/0x1c0
[  420.313642] 1*128kB 
[  420.317438]  ? graph_lock+0x170/0x170
[  420.319488] (U) 
[  420.324858]  ? pvclock_read_flags+0x160/0x160
[  420.327160] 1*256kB 
[  420.332180]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.332198]  ? check_preemption_disabled+0x48/0x200
[  420.334326] (U) 
[  420.338132]  ? __lock_is_held+0xb5/0x140
[  420.340509] 1*512kB (U) 
[  420.344748]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.347580] 0*1024kB 
[  420.351550]  ? check_preemption_disabled+0x48/0x200
[  420.353678] 0*2048kB 
[  420.358868]  run_timer_softirq+0x52/0xb0
[  420.361431] 0*4096kB 
[  420.365491]  ? rcu_read_lock_sched_held+0x108/0x120
[  420.367806] = 13872kB
[  420.371613]  __do_softirq+0x30b/0xad8
[  420.373582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  420.378128]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  420.380438] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  420.385967]  ? pvclock_read_flags+0x160/0x160
[  420.390961] 1299 total pagecache pages
[  420.392941]  ? lapic_next_event+0x5a/0x90
[  420.396987] 0 pages in swap cache
[  420.399650]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.405188] Swap cache stats: add 0, delete 0, find 0/0
[  420.407597]  ? check_preemption_disabled+0x48/0x200
[  420.412591] Free swap  = 0kB
[  420.414999]  ? check_preemption_disabled+0x48/0x200
[  420.419037] Total swap = 0kB
[  420.421461]  ? kvm_clock_read+0x18/0x30
[  420.426452] 1965979 pages RAM
[  420.428859]  ? kvm_sched_clock_read+0x9/0x20
[  420.432637] 0 pages HighMem/MovableOnly
[  420.441473]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.446552] 342306 pages reserved
[  420.446561] 0 pages cma reserved
[  420.455138]  ? check_preemption_disabled+0x48/0x200
[  420.459724] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.463505]  irq_exit+0x17f/0x1c0
[  420.467700] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.471085]  smp_apic_timer_interrupt+0x1cb/0x760
[  420.476603] syz-executor1 cpuset=
[  420.481963]  ? smp_reschedule_interrupt+0x109/0x650
[  420.486954] /
[  420.489978]  ? smp_call_function_single_interrupt+0x650/0x650
[  420.494998]  mems_allowed=0
[  420.498016]  ? interrupt_entry+0xb5/0xf0
[  420.498032]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.498045]  ? trace_hardirqs_off_caller+0xbb/0x310
[  420.498061]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.498075]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.498263]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.604279]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.609845]  ? check_preemption_disabled+0x48/0x200
[  420.614862]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.620429]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.625282]  apic_timer_interrupt+0xf/0x20
[  420.629512]  </IRQ>
[  420.631775] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  420.636709] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  420.655608] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  420.663313] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  420.670579] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  420.677842] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  420.685107] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  420.692377] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  420.699691]  skb_clone+0x1bb/0x500
[  420.703234]  ? finish_task_switch+0x1b5/0x900
[  420.707740]  ? skb_split+0x11e0/0x11e0
[  420.711634]  ? preempt_notifier_register+0x200/0x200
[  420.716740]  ? __switch_to_asm+0x34/0x70
[  420.720799]  ? __switch_to_asm+0x34/0x70
[  420.724858]  ? __switch_to_asm+0x40/0x70
[  420.728927]  ? __switch_to_asm+0x34/0x70
[  420.732991]  ? __switch_to_asm+0x40/0x70
[  420.737065]  ? __switch_to_asm+0x34/0x70
[  420.741124]  ? __switch_to_asm+0x40/0x70
[  420.745185]  ? __switch_to_asm+0x34/0x70
[  420.749251]  ? __switch_to_asm+0x34/0x70
[  420.753329]  ? __switch_to_asm+0x40/0x70
[  420.757399]  ? __switch_to_asm+0x34/0x70
[  420.761474]  bpf_clone_redirect+0xb9/0x490
[  420.765708]  ? __schedule+0x874/0x1ed0
[  420.769602]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  420.774620]  ? __sched_text_start+0x8/0x8
[  420.778786]  ? lockdep_hardirqs_on+0x421/0x5c0
[  420.783369]  ? retint_kernel+0x2d/0x2d
[  420.787263]  ? trace_hardirqs_on_caller+0xc0/0x310
[  420.792198]  ? find_held_lock+0x36/0x1c0
[  420.796264]  ? lock_acquire+0x1ed/0x520
[  420.800236]  ? bpf_test_run+0x3cb/0x780
[  420.804215]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  420.809760]  ? check_preemption_disabled+0x48/0x200
[  420.814794]  ? kasan_check_read+0x11/0x20
[  420.818946]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  420.824226]  ? rcu_bh_qs+0xc0/0xc0
[  420.827783]  ? preempt_schedule+0x4d/0x60
[  420.831963]  ? ___preempt_schedule+0x16/0x18
[  420.836416]  ? bpf_test_run+0x25d/0x780
[  420.840421]  ? netlink_diag_dump+0x2a0/0x2a0
[  420.844851]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  420.850424]  ? bpf_test_init.isra.9+0x70/0x100
[  420.855012]  ? bpf_prog_test_run_skb+0x634/0xb40
[  420.859774]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  420.864663]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  420.870217]  ? fput+0x130/0x1a0
[  420.873498]  ? __bpf_prog_get+0x9b/0x290
[  420.877559]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  420.882403]  ? bpf_prog_test_run+0x130/0x1a0
[  420.886812]  ? __x64_sys_bpf+0x3d8/0x510
[  420.890881]  ? bpf_prog_get+0x20/0x20
[  420.894715]  ? do_syscall_64+0x1b9/0x820
[  420.898788]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  420.904155]  ? syscall_return_slowpath+0x5e0/0x5e0
[  420.909103]  ? trace_hardirqs_on_caller+0x310/0x310
[  420.914125]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  420.919145]  ? recalc_sigpending_tsk+0x180/0x180
[  420.923935]  ? kasan_check_write+0x14/0x20
[  420.928182]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  420.933036]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  420.938444] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  420.938549] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  420.945735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  420.945744] Call Trace:
[  420.952323] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  420.961578]  <IRQ>
[  420.964156] syz-executor4 cpuset=
[  420.974640]  dump_stack+0x1c4/0x2b4
[  420.976771] syz4
[  420.980240]  ? dump_stack_print_info.cold.2+0x52/0x52
[  420.983875]  mems_allowed=0
[  420.985869]  warn_alloc.cold.119+0xb7/0x1bd
[  420.998270]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  421.003121]  ? lock_downgrade+0x900/0x900
[  421.007279]  ? trace_hardirqs_off+0xb8/0x310
[  421.011731]  ? trace_hardirqs_off+0xb8/0x310
[  421.016179]  __alloc_pages_slowpath+0x2667/0x2d80
[  421.021058]  ? warn_alloc+0x120/0x120
[  421.024882]  ? warn_alloc+0x120/0x120
[  421.028698]  ? print_usage_bug+0xc0/0xc0
[  421.032762]  ? warn_alloc+0x120/0x120
[  421.036588]  ? print_usage_bug+0xc0/0xc0
[  421.040650]  ? __lock_acquire+0x7ec/0x4ec0
[  421.044897]  ? __lock_acquire+0x7ec/0x4ec0
[  421.049136]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.054675]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.060214]  ? should_fail+0x22d/0xd01
[  421.064110]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.069217]  ? __lock_acquire+0x7ec/0x4ec0
[  421.073458]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  421.078563]  ? __lock_acquire+0x7ec/0x4ec0
[  421.082803]  ? should_fail+0x22d/0xd01
[  421.086724]  ? mark_held_locks+0x130/0x130
[  421.090971]  ? mark_held_locks+0x130/0x130
[  421.095211]  ? graph_lock+0x170/0x170
[  421.099025]  ? print_usage_bug+0xc0/0xc0
[  421.103088]  ? graph_lock+0x170/0x170
[  421.107032]  ? print_usage_bug+0xc0/0xc0
[  421.111109]  ? wq_watchdog_touch+0x9c/0xfe
[  421.115346]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.120919]  ? check_preemption_disabled+0x48/0x200
[  421.125944]  ? check_preemption_disabled+0x48/0x200
[  421.130975]  ? __lock_is_held+0xb5/0x140
[  421.135051]  __alloc_pages_nodemask+0xa80/0xde0
[  421.139724]  ? graph_lock+0x170/0x170
[  421.143537]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  421.148558]  ? graph_lock+0x170/0x170
[  421.152372]  ? find_held_lock+0x36/0x1c0
[  421.156458]  ? ____cache_alloc_node+0x1c7/0x1e0
[  421.161133]  ? lock_downgrade+0x900/0x900
[  421.165305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.170900]  cache_grow_begin+0x91/0x8c0
[  421.174981]  ? do_raw_spin_unlock+0xa7/0x2f0
[  421.179399]  fallback_alloc+0x203/0x2e0
[  421.183383]  ____cache_alloc_node+0x1c7/0x1e0
[  421.187888]  kmem_cache_alloc_node+0xe3/0x730
[  421.192396]  ? ipv6_get_ifaddr+0x42e/0x620
[  421.196644]  __alloc_skb+0x119/0x770
[  421.200362]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  421.205649]  ? skb_scrub_packet+0x490/0x490
[  421.209973]  ? lock_downgrade+0x900/0x900
[  421.214146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.219688]  ? refcount_sub_and_test_checked+0x203/0x310
[  421.225147]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  421.230625]  ? addrconf_rs_timer+0x690/0x690
[  421.235062]  ndisc_alloc_skb+0x144/0x340
[  421.239129]  ndisc_send_rs+0x331/0x6e0
[  421.243042]  addrconf_rs_timer+0x314/0x690
[  421.247280]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.251538]  call_timer_fn+0x272/0x920
[  421.255429]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.259683]  ? process_timeout+0x40/0x40
[  421.263747]  ? find_held_lock+0x36/0x1c0
[  421.267830]  ? mark_held_locks+0xc7/0x130
[  421.271992]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.276488]  ? _raw_spin_unlock_irq+0x27/0x80
[  421.280983]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.285233]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  421.289841]  ? trace_hardirqs_on+0xbd/0x310
[  421.294168]  ? kasan_check_read+0x11/0x20
[  421.298437]  ? __run_timers+0x7da/0xc70
[  421.302422]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  421.307880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.312145]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  421.316392]  __run_timers+0x7e5/0xc70
[  421.320211]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  421.325585]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.330616]  ? graph_lock+0x170/0x170
[  421.334423]  ? print_usage_bug+0xc0/0xc0
[  421.338488]  ? lock_release+0x970/0x970
[  421.342467]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  421.347680]  ? find_held_lock+0x36/0x1c0
[  421.351775]  ? graph_lock+0x170/0x170
[  421.355593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.361135]  ? check_preemption_disabled+0x48/0x200
[  421.366168]  ? __lock_is_held+0xb5/0x140
[  421.370240]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.375790]  ? check_preemption_disabled+0x48/0x200
[  421.380825]  run_timer_softirq+0x52/0xb0
[  421.385431]  ? rcu_read_lock_sched_held+0x108/0x120
[  421.390445]  __do_softirq+0x30b/0xad8
[  421.394252]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  421.399379]  ? pvclock_read_flags+0x160/0x160
[  421.403876]  ? lapic_next_event+0x5a/0x90
[  421.408029]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.413561]  ? check_preemption_disabled+0x48/0x200
[  421.418586]  ? check_preemption_disabled+0x48/0x200
[  421.423625]  ? kvm_clock_read+0x18/0x30
[  421.427621]  ? kvm_sched_clock_read+0x9/0x20
[  421.432036]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.437579]  ? check_preemption_disabled+0x48/0x200
[  421.442611]  irq_exit+0x17f/0x1c0
[  421.446069]  smp_apic_timer_interrupt+0x1cb/0x760
[  421.450926]  ? smp_call_function_single_interrupt+0x650/0x650
[  421.456827]  ? interrupt_entry+0xb5/0xf0
[  421.460923]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.465937]  ? trace_hardirqs_off_caller+0xbb/0x310
[  421.470958]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.475807]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.480826]  ? trace_hardirqs_on_caller+0x310/0x310
[  421.485845]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.491386]  ? check_preemption_disabled+0x48/0x200
[  421.496427]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.501988]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  421.506840]  apic_timer_interrupt+0xf/0x20
[  421.511105]  </IRQ>
[  421.513348] RIP: 0010:lock_acquire+0x268/0x520
[  421.517935] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  421.536871] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  421.544601] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  421.551882] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  421.559167] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  421.566441] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  421.573709] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  421.581616]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.587163]  ? lock_release+0x970/0x970
[  421.591151]  ? activate_page+0x1040/0x1040
[  421.595406]  ? __unlock_page_memcg+0x53/0x100
[  421.599917]  ? check_preemption_disabled+0x48/0x200
[  421.604957]  lock_page_memcg+0x95/0x350
[  421.608937]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  421.614149]  ? rcu_bh_qs+0xc0/0xc0
[  421.617709]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  421.622914]  page_remove_rmap+0x855/0x1a30
[  421.627154]  ? page_add_file_rmap+0x1470/0x1470
[  421.631823]  ? __lock_is_held+0xb5/0x140
[  421.635929]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.641467]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.647012]  ? lru_add_drain_cpu+0x1c0/0x500
[  421.651430]  ? free_pages_and_swap_cache+0x475/0x6f0
[  421.656557]  ? free_page_and_swap_cache+0x950/0x950
[  421.661596]  ? kasan_check_read+0x11/0x20
[  421.665749]  ? page_mapcount+0x3b5/0x5d0
[  421.669815]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  421.674663]  ? lock_downgrade+0x900/0x900
[  421.679308]  ? lock_release+0x970/0x970
[  421.683286]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  421.688305]  ? _vm_normal_page+0x161/0x3c0
[  421.692551]  ? __pte_alloc_kernel+0x220/0x220
[  421.697299]  ? kasan_check_write+0x14/0x20
[  421.701565]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  421.706584]  ? __tlb_remove_page_size+0x187/0x500
[  421.711428]  unmap_page_range+0xf14/0x2030
[  421.715693]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  421.720189]  ? search_extable+0x80/0xb0
[  421.724162]  ? trim_init_extable+0x3a0/0x3a0
[  421.728570]  ? __get_user_8+0x21/0x2b
[  421.732371]  ? print_usage_bug+0xc0/0xc0
[  421.736458]  ? __lock_acquire+0x7ec/0x4ec0
[  421.740705]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  421.746255]  ? no_context+0xd9/0x980
[  421.749964]  ? lock_downgrade+0x900/0x900
[  421.754111]  ? graph_lock+0x170/0x170
[  421.757922]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.763470]  ? tlb_flush_mmu_free+0x135/0x1b0
[  421.767965]  ? find_held_lock+0x36/0x1c0
[  421.772041]  ? exit_mmap+0x4bb/0x590
[  421.775768]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  421.781310]  ? uprobe_munmap+0x14c/0x450
[  421.785379]  ? uprobe_mmap+0xd50/0xd50
[  421.789262]  ? lock_release+0x970/0x970
[  421.793234]  ? arch_local_save_flags+0x40/0x40
[  421.797843]  ? rwsem_down_write_failed+0xe/0x10
[  421.802523]  ? rwsem_down_write_failed+0xe/0x10
[  421.807194]  ? call_rwsem_down_write_failed+0x17/0x30
[  421.812410]  unmap_single_vma+0x19b/0x310
[  421.816563]  unmap_vmas+0x125/0x200
[  421.820192]  exit_mmap+0x2be/0x590
[  421.823732]  ? __ia32_sys_munmap+0x80/0x80
[  421.827984]  ? __might_sleep+0x95/0x190
[  421.831960]  mmput+0x247/0x610
[  421.835153]  ? lock_downgrade+0x900/0x900
[  421.839319]  ? set_mm_exe_file+0x200/0x200
[  421.843576]  ? kasan_check_read+0x11/0x20
[  421.847740]  ? do_raw_spin_unlock+0xa7/0x2f0
[  421.852148]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  421.856737]  ? kasan_check_write+0x14/0x20
[  421.860970]  ? do_raw_spin_lock+0xc1/0x200
[  421.865214]  do_exit+0xe6f/0x2610
[  421.868666]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  421.873693]  ? mm_update_next_owner+0x990/0x990
[  421.878362]  ? print_usage_bug+0xc0/0xc0
[  421.882435]  ? graph_lock+0x170/0x170
[  421.886253]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  421.891804]  ? check_preemption_disabled+0x48/0x200
[  421.896821]  ? check_preemption_disabled+0x48/0x200
[  421.901839]  ? print_usage_bug+0xc0/0xc0
[  421.905912]  ? __lock_acquire+0x7ec/0x4ec0
[  421.910154]  ? __lock_acquire+0x7ec/0x4ec0
[  421.914410]  ? mark_held_locks+0x130/0x130
[  421.918697]  ? mark_held_locks+0x130/0x130
[  421.922931]  ? kasan_check_write+0x14/0x20
[  421.927171]  ? finish_task_switch+0x2f5/0x900
[  421.931671]  ? __switch_to_asm+0x40/0x70
[  421.935740]  ? __switch_to_asm+0x34/0x70
[  421.939801]  ? __switch_to_asm+0x34/0x70
[  421.943873]  ? __switch_to_asm+0x40/0x70
[  421.947940]  ? __switch_to_asm+0x34/0x70
[  421.952001]  ? __switch_to_asm+0x40/0x70
[  421.956059]  ? __switch_to_asm+0x34/0x70
[  421.960124]  ? __switch_to_asm+0x34/0x70
[  421.964189]  ? __switch_to_asm+0x34/0x70
[  421.968250]  ? __switch_to_asm+0x34/0x70
[  421.972312]  ? __switch_to_asm+0x40/0x70
[  421.976377]  ? __switch_to_asm+0x34/0x70
[  421.980440]  ? __switch_to_asm+0x40/0x70
[  421.984512]  ? graph_lock+0x170/0x170
[  421.988308]  ? graph_lock+0x170/0x170
[  421.992124]  ? graph_lock+0x170/0x170
[  421.995928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.001472]  ? wait_consider_task+0x245/0x3bb0
[  422.006058]  ? memset+0x31/0x40
[  422.009348]  ? find_held_lock+0x36/0x1c0
[  422.013423]  ? get_signal+0x95b/0x1980
[  422.017321]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.021849]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.026351]  do_group_exit+0x177/0x440
[  422.030249]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.035710]  ? __ia32_sys_exit+0x50/0x50
[  422.039790]  get_signal+0x8b0/0x1980
[  422.043516]  ? ptrace_notify+0x130/0x130
[  422.047577]  ? do_wait+0x57d/0xb90
[  422.051120]  ? wait_consider_task+0x3bb0/0x3bb0
[  422.055795]  ? graph_lock+0x170/0x170
[  422.059606]  ? graph_lock+0x170/0x170
[  422.063411]  ? graph_lock+0x170/0x170
[  422.067235]  do_signal+0x9c/0x21e0
[  422.070783]  ? find_held_lock+0x36/0x1c0
[  422.074989]  ? setup_sigcontext+0x7d0/0x7d0
[  422.079311]  ? kernel_wait4+0x2e0/0x3f0
[  422.083299]  ? __ia32_sys_waitid+0x140/0x140
[  422.087714]  ? task_stopped_code+0x190/0x190
[  422.092139]  ? exit_to_usermode_loop+0x8c/0x380
[  422.096825]  ? __do_page_fault+0x4a6/0xed0
[  422.101066]  ? do_syscall_64+0x9a/0x820
[  422.105042]  ? do_syscall_64+0x9a/0x820
[  422.109024]  exit_to_usermode_loop+0x2e5/0x380
[  422.113616]  ? syscall_slow_exit_work+0x520/0x520
[  422.118470]  do_syscall_64+0x6be/0x820
[  422.122360]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  422.127748]  ? syscall_return_slowpath+0x5e0/0x5e0
[  422.132676]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.137534]  ? trace_hardirqs_on_caller+0x310/0x310
[  422.142562]  ? prepare_exit_to_usermode+0x291/0x3b0
[  422.147590]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  422.152447]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  422.157648] RIP: 0033:0x41124a
[  422.160869] Code: Bad RIP value.
[  422.164251] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  422.171961] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  422.179230] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  422.186668] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  422.193938] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  422.201207] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  422.209191] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  422.209197] warn_alloc_show_mem: 1 callbacks suppressed
[  422.209205] Mem-Info:
[  422.216484] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  422.221861] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  422.221861]  active_file:8 inactive_file:19 isolated_file:0
[  422.221861]  unevictable:0 dirty:0 writeback:0 unstable:0
[  422.221861]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  422.221861]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  422.221861]  free:13709 free_pcp:257 free_cma:0
[  422.224234] Call Trace:
[  422.224242]  <IRQ>
[  422.224264]  dump_stack+0x1c4/0x2b4
[  422.224281]  ? dump_stack_print_info.cold.2+0x52/0x52
[  422.224309]  warn_alloc.cold.119+0xb7/0x1bd
[  422.224330]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  422.233717] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  422.266666]  ? lock_downgrade+0x900/0x900
[  422.269231] Node 0 
[  422.271409]  ? trace_hardirqs_off+0xb8/0x310
[  422.275031] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  422.280198]  ? trace_hardirqs_off+0xb8/0x310
[  422.284516] lowmem_reserve[]:
[  422.289374]  __alloc_pages_slowpath+0x2667/0x2d80
[  422.317129]  0 2819
[  422.321323]  ? warn_alloc+0x120/0x120
[  422.323507]  6323
[  422.327919]  ? trace_hardirqs_on+0x310/0x310
[  422.353534]  6323
[  422.357951]  ? warn_alloc+0x120/0x120
[  422.361040] Node 0 
[  422.365880]  ? print_usage_bug+0xc0/0xc0
[  422.368136] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  422.371909]  ? warn_alloc+0x120/0x120
[  422.373956] lowmem_reserve[]:
[  422.378359]  ? ktime_get+0x2e1/0x440
[  422.378384]  ? print_usage_bug+0xc0/0xc0
[  422.380426]  0
[  422.384227]  ? __lock_acquire+0x7ec/0x4ec0
[  422.386449]  0
[  422.390514]  ? __lock_acquire+0x7ec/0x4ec0
[  422.417207]  3503 3503
[  422.421019]  ? kasan_check_read+0x11/0x20
[  422.424099] Node 0 
[  422.427824]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  422.431903] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  422.433677]  ? should_fail+0x22d/0xd01
[  422.437888] lowmem_reserve[]:
[  422.439696]  ? rcu_bh_qs+0xc0/0xc0
[  422.443904]  0 0
[  422.446438]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.450566]  0
[  422.452797]  ? __lock_acquire+0x7ec/0x4ec0
[  422.458331]  0
[  422.486728]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  422.493698]  ? __lock_acquire+0x7ec/0x4ec0
[  422.497220] Node 0 
[  422.499193]  ? should_fail+0x22d/0xd01
[  422.504285] DMA: 
[  422.506098]  ? rcu_idle_enter+0x4b0/0x4b0
[  422.510313] 1*4kB 
[  422.512132]  ? mark_held_locks+0x130/0x130
[  422.517209] (U) 
[  422.521445]  ? mark_held_locks+0x130/0x130
[  422.523664] 0*8kB 
[  422.527564]  ? mark_held_locks+0xc7/0x130
[  422.529607] 0*16kB 
[  422.533751]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  422.535876] 1*32kB 
[  422.540107]  ? graph_lock+0x170/0x170
[  422.542063] (U) 
[  422.546295]  ? print_usage_bug+0xc0/0xc0
[  422.548427] 2*64kB 
[  422.552573]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.554785] (U) 
[  422.559803]  ? check_preemption_disabled+0x48/0x200
[  422.562033] 1*128kB 
[  422.565831]  ? check_preemption_disabled+0x48/0x200
[  422.567783] (U) 
[  422.571849]  ? __lock_is_held+0xb5/0x140
[  422.574063] 1*256kB 
[  422.579605]  __alloc_pages_nodemask+0xa80/0xde0
[  422.581553] (U) 0*512kB 
[  422.586577]  ? graph_lock+0x170/0x170
[  422.588914] 1*1024kB 
[  422.593935]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  422.595919] (U) 
[  422.599976]  ? graph_lock+0x170/0x170
[  422.602282] 1*2048kB 
[  422.606952]  ? find_held_lock+0x36/0x1c0
[  422.609591] (M) 3*4096kB 
[  422.613417]  ? ____cache_alloc_node+0x1c7/0x1e0
[  422.615794] (M) 
[  422.620810]  ? lock_downgrade+0x900/0x900
[  422.623023] = 15908kB
[  422.623033] Node 0 
[  422.626837]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.629222] DMA32: 
[  422.633298]  cache_grow_begin+0x91/0x8c0
[  422.636047] 4*4kB 
[  422.640739]  ? do_raw_spin_unlock+0xa7/0x2f0
[  422.642798] (UM) 
[  422.646945]  fallback_alloc+0x203/0x2e0
[  422.649331] 2*8kB 
[  422.651567]  ____cache_alloc_node+0x1c7/0x1e0
[  422.657081] (UM) 2*16kB 
[  422.659330]  kmem_cache_alloc_node+0xe3/0x730
[  422.659345]  ? ipv6_get_ifaddr+0x42e/0x620
[  422.659376]  __alloc_skb+0x119/0x770
[  422.659398]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  422.659417]  ? skb_scrub_packet+0x490/0x490
[  422.659430]  ? lock_downgrade+0x900/0x900
[  422.659451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.659466]  ? refcount_sub_and_test_checked+0x203/0x310
[  422.659484]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  422.659503]  ? addrconf_rs_timer+0x690/0x690
[  422.663562] (M) 
[  422.665788]  ndisc_alloc_skb+0x144/0x340
[  422.670170] 3*32kB 
[  422.672243]  ndisc_send_rs+0x331/0x6e0
[  422.676193] (UM) 
[  422.678343]  addrconf_rs_timer+0x314/0x690
[  422.682971] 5*64kB (UM) 
[  422.685651]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.690494] 4*128kB (UM) 
[  422.694760]  call_timer_fn+0x272/0x920
[  422.698445] 4*256kB (UM) 
[  422.703723]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.708152] 3*512kB 
[  422.712253]  ? process_timeout+0x40/0x40
[  422.718611] (M) 
[  422.724062]  ? find_held_lock+0x36/0x1c0
[  422.729482] 3*1024kB (UM) 
[  422.733935]  ? __run_timers+0x7da/0xc70
[  422.735920] 3*2048kB (M) 
[  422.740012]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.742221] 3*4096kB (M) 
[  422.746118]  ? _raw_spin_unlock_irq+0x27/0x80
[  422.748158] = 25056kB
[  422.752411]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.755064] Node 0 
[  422.759301]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  422.762031] Normal: 798*4kB 
[  422.765937]  ? trace_hardirqs_on+0xbd/0x310
[  422.768676] (ME) 
[  422.772909]  ? kasan_check_read+0x11/0x20
[  422.772929]  ? __run_timers+0x7da/0xc70
[  422.775233] 471*8kB (UME) 
[  422.779314]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  422.781268] 208*16kB (UME) 
[  422.785338]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.788161] 76*32kB 
[  422.792132]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  422.794898] (UME) 
[  422.799419]  __run_timers+0x7e5/0xc70
[  422.802146] 4*64kB 
[  422.806656]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  422.809054] (M) 
[  422.813292]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  422.815511] 1*128kB 
[  422.820117]  ? graph_lock+0x170/0x170
[  422.823110] (U) 
[  422.827466]  ? enqueue_hrtimer+0x1a5/0x560
[  422.829510] 1*256kB 
[  422.833651]  ? lock_release+0x970/0x970
[  422.837609] (U) 
[  422.840460]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  422.845887] 1*512kB 
[  422.848817]  ? find_held_lock+0x36/0x1c0
[  422.853031] (U) 
[  422.855354]  ? graph_lock+0x170/0x170
[  422.859562] 0*1024kB 0*2048kB 
[  422.861723]  ? pvclock_read_flags+0x160/0x160
[  422.865505] 0*4096kB 
[  422.867745]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.873107] = 13872kB
[  422.873122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  422.875096]  ? check_preemption_disabled+0x48/0x200
[  422.880115] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  422.882442]  ? __lock_is_held+0xb5/0x140
[  422.886215] 1299 total pagecache pages
[  422.888191]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.892410] 0 pages in swap cache
[  422.894753]  ? check_preemption_disabled+0x48/0x200
[  422.898711] Swap cache stats: add 0, delete 0, find 0/0
[  422.900688]  run_timer_softirq+0x52/0xb0
[  422.905853] Free swap  = 0kB
[  422.908192]  ? rcu_read_lock_sched_held+0x108/0x120
[  422.912230] Total swap = 0kB
[  422.914202]  __do_softirq+0x30b/0xad8
[  422.917991] 1965979 pages RAM
[  422.921195]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  422.925663] 0 pages HighMem/MovableOnly
[  422.925672] 342306 pages reserved
[  422.928084]  ? pvclock_read_flags+0x160/0x160
[  422.933594] 0 pages cma reserved
[  422.933682] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  422.936015]  ? lapic_next_event+0x5a/0x90
[  422.944951] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  422.949853]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  422.958406] syz-executor1 cpuset=
[  422.962465]  ? check_preemption_disabled+0x48/0x200
[  422.966336] /
[  422.971880]  ? check_preemption_disabled+0x48/0x200
[  422.975318]  mems_allowed=0
[  422.980330]  ? kvm_clock_read+0x18/0x30
[  423.077029]  ? kvm_sched_clock_read+0x9/0x20
[  423.081456]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.086994]  ? check_preemption_disabled+0x48/0x200
[  423.092021]  irq_exit+0x17f/0x1c0
[  423.095480]  smp_apic_timer_interrupt+0x1cb/0x760
[  423.100322]  ? smp_reschedule_interrupt+0x109/0x650
[  423.105338]  ? smp_call_function_single_interrupt+0x650/0x650
[  423.111234]  ? interrupt_entry+0xb5/0xf0
[  423.115300]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.120315]  ? trace_hardirqs_off_caller+0xbb/0x310
[  423.125333]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.130186]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.135203]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.140224]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.145787]  ? check_preemption_disabled+0x48/0x200
[  423.150815]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.156403]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.161271]  apic_timer_interrupt+0xf/0x20
[  423.165516]  </IRQ>
[  423.167782] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  423.172720] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  423.191623] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  423.199362] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  423.206639] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  423.213905] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  423.221174] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  423.228444] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  423.235755]  skb_clone+0x1bb/0x500
[  423.239301]  ? finish_task_switch+0x1b5/0x900
[  423.243802]  ? skb_split+0x11e0/0x11e0
[  423.247691]  ? preempt_notifier_register+0x200/0x200
[  423.252797]  ? __switch_to_asm+0x34/0x70
[  423.256861]  ? __switch_to_asm+0x34/0x70
[  423.260925]  ? __switch_to_asm+0x40/0x70
[  423.264985]  ? __switch_to_asm+0x34/0x70
[  423.269047]  ? __switch_to_asm+0x40/0x70
[  423.273110]  ? __switch_to_asm+0x34/0x70
[  423.277169]  ? __switch_to_asm+0x40/0x70
[  423.281231]  ? __switch_to_asm+0x34/0x70
[  423.285291]  ? __switch_to_asm+0x34/0x70
[  423.289388]  ? __switch_to_asm+0x40/0x70
[  423.293456]  ? __switch_to_asm+0x34/0x70
[  423.297529]  bpf_clone_redirect+0xb9/0x490
[  423.301785]  ? __schedule+0x874/0x1ed0
[  423.305679]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  423.310711]  ? __sched_text_start+0x8/0x8
[  423.314876]  ? lockdep_hardirqs_on+0x421/0x5c0
[  423.319461]  ? retint_kernel+0x2d/0x2d
[  423.323383]  ? trace_hardirqs_on_caller+0xc0/0x310
[  423.328331]  ? find_held_lock+0x36/0x1c0
[  423.332416]  ? lock_acquire+0x1ed/0x520
[  423.336406]  ? bpf_test_run+0x3cb/0x780
[  423.340424]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.345967]  ? check_preemption_disabled+0x48/0x200
[  423.351016]  ? kasan_check_read+0x11/0x20
[  423.355175]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  423.360481]  ? rcu_bh_qs+0xc0/0xc0
[  423.364021]  ? preempt_schedule+0x4d/0x60
[  423.368183]  ? ___preempt_schedule+0x16/0x18
[  423.372632]  ? bpf_test_run+0x25d/0x780
[  423.376631]  ? netlink_diag_dump+0x2a0/0x2a0
[  423.381042]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.386577]  ? bpf_test_init.isra.9+0x70/0x100
[  423.391167]  ? bpf_prog_test_run_skb+0x634/0xb40
[  423.395931]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  423.400773]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.406312]  ? fput+0x130/0x1a0
[  423.409601]  ? __bpf_prog_get+0x9b/0x290
[  423.413669]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  423.418516]  ? bpf_prog_test_run+0x130/0x1a0
[  423.422944]  ? __x64_sys_bpf+0x3d8/0x510
[  423.427009]  ? bpf_prog_get+0x20/0x20
[  423.430861]  ? do_syscall_64+0x1b9/0x820
[  423.434960]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  423.440326]  ? syscall_return_slowpath+0x5e0/0x5e0
[  423.445296]  ? trace_hardirqs_on_caller+0x310/0x310
[  423.450328]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  423.455348]  ? recalc_sigpending_tsk+0x180/0x180
[  423.460109]  ? kasan_check_write+0x14/0x20
[  423.464354]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  423.469226]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  423.474630] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  423.474673] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks:
[  423.482163] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  423.482172] Call Trace:
[  423.488401] rcu: 	
[  423.497754]  <IRQ>
[  423.500339] (detected by 0, t=10577 jiffies, g=15137, q=5)
[  423.502609]  dump_stack+0x1c4/0x2b4
[  423.504747] rcu: All QSes seen, last rcu_preempt kthread activity 10176 (4294979497-4294969321), jiffies_till_next_fqs=1, root ->qsmask 0x0
[  423.504754] syz-executor4   R  running task    20960  8883   5483 0x8010000c
[  423.504781] Call Trace:
[  423.504788]  <IRQ>
[  423.505078]  sched_show_task.cold.83+0x2b6/0x30a
[  423.510941]  ? dump_stack_print_info.cold.2+0x52/0x52
[  423.514564]  ? can_nice.part.74+0x20/0x20
[  423.527555]  warn_alloc.cold.119+0xb7/0x1bd
[  423.534748]  ? vprintk_default+0x28/0x30
[  423.537494]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  423.539644]  ? vprintk_func+0x85/0x181
[  423.544396]  ? lock_downgrade+0x900/0x900
[  423.549576]  ? vprintk_func+0x85/0x181
[  423.553715]  ? trace_hardirqs_off+0xb8/0x310
[  423.558017]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  423.562083]  ? trace_hardirqs_off+0xb8/0x310
[  423.566915]  ? kmsg_dump_rewind_nolock+0xe4/0xe4
[  423.570793]  __alloc_pages_slowpath+0x2667/0x2d80
[  423.574921]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.578842]  ? warn_alloc+0x120/0x120
[  423.583231]  print_other_cpu_stall.cold.79+0xa83/0xba5
[  423.587985]  ? trace_hardirqs_on+0x310/0x310
[  423.592389]  ? wake_up_klogd+0x180/0x180
[  423.597124]  ? warn_alloc+0x120/0x120
[  423.601965]  ? print_cpu_stall+0x1c0/0x1c0
[  423.607485]  ? print_usage_bug+0xc0/0xc0
[  423.611277]  ? graph_lock+0x170/0x170
[  423.616541]  ? warn_alloc+0x120/0x120
[  423.620954]  ? print_usage_bug+0xc0/0xc0
[  423.625006]  ? ktime_get+0x2e1/0x440
[  423.628819]  ? lock_downgrade+0x900/0x900
[  423.633048]  ? print_usage_bug+0xc0/0xc0
[  423.637112]  ? check_preemption_disabled+0x48/0x200
[  423.637128]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.640966]  ? __lock_acquire+0x7ec/0x4ec0
[  423.644757]  ? check_preemption_disabled+0x48/0x200
[  423.648814]  ? __lock_acquire+0x7ec/0x4ec0
[  423.652518]  ? check_preemption_disabled+0x48/0x200
[  423.656657]  ? kasan_check_read+0x11/0x20
[  423.660713]  ? rcu_test_sync_prims+0x30/0x30
[  423.665728]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  423.671262]  ? __lock_is_held+0xb5/0x140
[  423.675509]  ? should_fail+0x22d/0xd01
[  423.680545]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.684772]  ? rcu_bh_qs+0xc0/0xc0
[  423.689791]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.693926]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.698326]  ? check_preemption_disabled+0x48/0x200
[  423.703964]  ? __lock_acquire+0x7ec/0x4ec0
[  423.708021]  rcu_check_callbacks+0xafc/0x1990
[  423.711922]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  423.717470]  ? rcu_cpu_stall_reset+0x220/0x220
[  423.720988]  ? __lock_acquire+0x7ec/0x4ec0
[  423.726508]  ? lock_release+0x970/0x970
[  423.732052]  ? should_fail+0x22d/0xd01
[  423.732069]  ? rcu_idle_enter+0x4b0/0x4b0
[  423.737084]  ? graph_lock+0x170/0x170
[  423.741308]  ? mark_held_locks+0x130/0x130
[  423.745783]  ? graph_lock+0x170/0x170
[  423.750881]  ? mark_held_locks+0x130/0x130
[  423.755451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.755467]  ? pvclock_gtod_notify+0x2e3/0x3e0
[  423.755497]  ? kvm_set_tsc_khz+0x540/0x540
[  423.759970]  ? mark_held_locks+0xc7/0x130
[  423.763945]  ? graph_lock+0x170/0x170
[  423.767932]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  423.767948]  ? graph_lock+0x170/0x170
[  423.772090]  ? timekeeping_advance+0x3cc/0xc00
[  423.776300]  ? print_usage_bug+0xc0/0xc0
[  423.780530]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.784318]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.788558]  ? check_preemption_disabled+0x48/0x200
[  423.794096]  ? check_preemption_disabled+0x48/0x200
[  423.798667]  ? check_preemption_disabled+0x48/0x200
[  423.802888]  ? check_preemption_disabled+0x48/0x200
[  423.807054]  ? trace_hardirqs_off+0xb8/0x310
[  423.810843]  ? __lock_is_held+0xb5/0x140
[  423.815848]  ? __lock_is_held+0xb5/0x140
[  423.819651]  __alloc_pages_nodemask+0xa80/0xde0
[  423.824243]  ? trace_hardirqs_on+0x310/0x310
[  423.828292]  ? graph_lock+0x170/0x170
[  423.833821]  ? check_preemption_disabled+0x48/0x200
[  423.839361]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  423.844374]  ? raise_softirq+0x199/0x420
[  423.849383]  ? graph_lock+0x170/0x170
[  423.854401]  ? raise_softirq_irqoff+0x2e0/0x2e0
[  423.859411]  ? find_held_lock+0x36/0x1c0
[  423.863813]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.867868]  ? ____cache_alloc_node+0x1c7/0x1e0
[  423.871907]  ? check_preemption_disabled+0x48/0x200
[  423.871927]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  423.876585]  ? lock_downgrade+0x900/0x900
[  423.880991]  ? hrtimer_run_queues+0x9a/0x400
[  423.884798]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.889799]  ? run_local_timers+0x19b/0x230
[  423.894815]  cache_grow_begin+0x91/0x8c0
[  423.898857]  ? timer_clear_idle+0x90/0x90
[  423.902649]  ? do_raw_spin_unlock+0xa7/0x2f0
[  423.907304]  ? debug_smp_processor_id+0x1c/0x20
[  423.911402]  fallback_alloc+0x203/0x2e0
[  423.916929]  ? irqtime_account_process_tick.isra.6+0x114/0x490
[  423.921702]  ____cache_alloc_node+0x1c7/0x1e0
[  423.926719]  ? account_process_tick+0x282/0x350
[  423.932239]  kmem_cache_alloc_node+0xe3/0x730
[  423.936407]  update_process_times+0x2d/0x70
[  423.940801]  ? ipv6_get_ifaddr+0x42e/0x620
[  423.946326]  tick_sched_handle+0x9f/0x180
[  423.950640]  __alloc_skb+0x119/0x770
[  423.954701]  tick_sched_timer+0x45/0x130
[  423.958843]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  423.963252]  __hrtimer_run_queues+0x41c/0x10d0
[  423.967913]  ? skb_scrub_packet+0x490/0x490
[  423.971874]  ? tick_sched_do_timer+0x1a0/0x1a0
[  423.977823]  ? lock_downgrade+0x900/0x900
[  423.982310]  ? hrtimer_start_range_ns+0xe00/0xe00
[  423.986984]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  423.991497]  ? pvclock_read_flags+0x160/0x160
[  423.995805]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.000035]  ? trace_hardirqs_on+0x310/0x310
[  424.004163]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.007870]  ? kvm_clock_read+0x18/0x30
[  424.011917]  ? addrconf_rs_timer+0x690/0x690
[  424.017221]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.021840]  ndisc_alloc_skb+0x144/0x340
[  424.026148]  ? ktime_get_update_offsets_now+0x3b6/0x550
[  424.030719]  ndisc_send_rs+0x331/0x6e0
[  424.034869]  ? do_timer+0x50/0x50
[  424.039715]  addrconf_rs_timer+0x314/0x690
[  424.045238]  ? trace_hardirqs_on+0x310/0x310
[  424.049725]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.055168]  ? do_raw_spin_lock+0xc1/0x200
[  424.059568]  call_timer_fn+0x272/0x920
[  424.065003]  hrtimer_interrupt+0x313/0x780
[  424.068963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.073378]  smp_apic_timer_interrupt+0x1a1/0x760
[  424.078527]  ? process_timeout+0x40/0x40
[  424.082581]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.087924]  ? find_held_lock+0x36/0x1c0
[  424.087947]  ? mark_held_locks+0xc7/0x130
[  424.091827]  ? interrupt_entry+0xb5/0xf0
[  424.095275]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.099494]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.103892]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.108121]  ? ____cache_alloc_node+0x1c7/0x1e0
[  424.112339]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.112357]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  424.116250]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.120476]  ? trace_hardirqs_on+0xbd/0x310
[  424.124700]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.129545]  ? kasan_check_read+0x11/0x20
[  424.129564]  ? __run_timers+0x7da/0xc70
[  424.133624]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.139490]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.143544]  apic_timer_interrupt+0xf/0x20
[  424.147679]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.151731] RIP: 0010:kmem_cache_alloc_node+0x247/0x730
[  424.156217]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.161222] Code: 41 7e 0f 85 32 ff ff ff e8 45 ec 3f ff e9 28 ff ff ff e8 6c 53 c4 ff 48 83 3d fc 60 71 07 00 0f 84 33 01 00 00 4c 89 ff 57 9d <0f> 1f 44 00 00 e9 bf fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  424.166006]  __run_timers+0x7e5/0xc70
[  424.170659] RSP: 0000:ffff8801dae07450 EFLAGS: 00000286
[  424.175052]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  424.179606]  ORIG_RAX: ffffffffffffff13
[  424.179625] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff1003291bd19
[  424.184713]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.189030] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286
[  424.189044] RBP: ffff8801dae074c0 R08: ffff8801948de8c8 R09: 0000000000000002
[  424.194068]  ? graph_lock+0x170/0x170
[  424.198208] R10: 0000000000000000 R11: ffff8801948de000 R12: ffff8801d9a04040
[  424.198221] R13: ffff8801d9a04040 R14: 0000000000000000 R15: 0000000000000286
[  424.202192]  ? print_usage_bug+0xc0/0xc0
[  424.207023]  ? apic_timer_interrupt+0xa/0x20
[  424.212459]  ? lock_release+0x970/0x970
[  424.216698]  ? ipv6_get_ifaddr+0x42e/0x620
[  424.220913]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.226302]  __alloc_skb+0x119/0x770
[  424.230510]  ? find_held_lock+0x36/0x1c0
[  424.249439]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  424.253234]  ? graph_lock+0x170/0x170
[  424.258586]  ? skb_scrub_packet+0x490/0x490
[  424.263954]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.267937]  ? lock_downgrade+0x900/0x900
[  424.267970]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.275587]  ? check_preemption_disabled+0x48/0x200
[  424.280591]  ? refcount_sub_and_test_checked+0x203/0x310
[  424.287859]  ? __lock_is_held+0xb5/0x140
[  424.295115]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  424.298909]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.306166]  ? addrconf_rs_timer+0x690/0x690
[  424.313435]  ? check_preemption_disabled+0x48/0x200
[  424.317491]  ndisc_alloc_skb+0x144/0x340
[  424.321922]  run_timer_softirq+0x52/0xb0
[  424.325878]  ndisc_send_rs+0x331/0x6e0
[  424.330201]  ? rcu_read_lock_sched_held+0x108/0x120
[  424.335386]  addrconf_rs_timer+0x314/0x690
[  424.339103]  __do_softirq+0x30b/0xad8
[  424.343152]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.348447]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  424.352248]  call_timer_fn+0x272/0x920
[  424.356594]  ? pvclock_read_flags+0x160/0x160
[  424.362110]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.366248]  ? lapic_next_event+0x5a/0x90
[  424.371776]  ? process_timeout+0x40/0x40
[  424.376778]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.382224]  ? find_held_lock+0x36/0x1c0
[  424.386353]  ? check_preemption_disabled+0x48/0x200
[  424.391854]  ? __run_timers+0x7da/0xc70
[  424.397494]  ? check_preemption_disabled+0x48/0x200
[  424.401892]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.406913]  ? kvm_clock_read+0x18/0x30
[  424.410949]  ? _raw_spin_unlock_irq+0x27/0x80
[  424.415211]  ? kvm_sched_clock_read+0x9/0x20
[  424.419091]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.424249]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.428474]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  424.432264]  ? check_preemption_disabled+0x48/0x200
[  424.436484]  ? trace_hardirqs_on+0xbd/0x310
[  424.441580]  irq_exit+0x17f/0x1c0
[  424.445452]  ? kasan_check_read+0x11/0x20
[  424.449931]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.454156]  ? __run_timers+0x7da/0xc70
[  424.458294]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.462348]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  424.467875]  ? interrupt_entry+0xb5/0xf0
[  424.471924]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.476948]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.480917]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  424.485931]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.490435]  __run_timers+0x7e5/0xc70
[  424.494415]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.498900]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  424.503295]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.507523]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.513053]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.517621]  ? graph_lock+0x170/0x170
[  424.522627]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.526943]  ? enqueue_hrtimer+0x1a5/0x560
[  424.530395]  ? check_preemption_disabled+0x48/0x200
[  424.534558]  ? lock_release+0x970/0x970
[  424.539394]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.543361]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  424.549243]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.554700]  ? find_held_lock+0x36/0x1c0
[  424.558754]  apic_timer_interrupt+0xf/0x20
[  424.562971]  ? graph_lock+0x170/0x170
[  424.567976]  </IRQ>
[  424.572204]  ? pvclock_read_flags+0x160/0x160
[  424.577219] RIP: 0010:lock_acquire+0x268/0x520
[  424.581010]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.585845] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  424.591200]  ? check_preemption_disabled+0x48/0x200
[  424.596197] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286
[  424.601212]  ? __lock_is_held+0xb5/0x140
[  424.606200]  ORIG_RAX: ffffffffffffff13
[  424.610013]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.615535] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  424.619763]  ? check_preemption_disabled+0x48/0x200
[  424.624765] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  424.624778] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  424.628756]  run_timer_softirq+0x52/0xb0
[  424.634271] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  424.634283] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  424.639468]  ? rcu_read_lock_sched_held+0x108/0x120
[  424.644310]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  424.648343]  __do_softirq+0x30b/0xad8
[  424.652566]  ? lock_release+0x970/0x970
[  424.656375]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  424.658603]  ? activate_page+0x1040/0x1040
[  424.663086]  ? pvclock_read_flags+0x160/0x160
[  424.667674]  ? __unlock_page_memcg+0x53/0x100
[  424.673195]  ? lapic_next_event+0x5a/0x90
[  424.692088]  ? check_preemption_disabled+0x48/0x200
[  424.697094]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.702448]  lock_page_memcg+0x95/0x350
[  424.706501]  ? check_preemption_disabled+0x48/0x200
[  424.710462]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  424.715991]  ? check_preemption_disabled+0x48/0x200
[  424.723252]  ? rcu_bh_qs+0xc0/0xc0
[  424.723271]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  424.728279]  ? kvm_clock_read+0x18/0x30
[  424.735546]  page_remove_rmap+0x855/0x1a30
[  424.742803]  ? kvm_sched_clock_read+0x9/0x20
[  424.746872]  ? page_add_file_rmap+0x1470/0x1470
[  424.754137]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.761444]  ? __lock_is_held+0xb5/0x140
[  424.766450]  ? check_preemption_disabled+0x48/0x200
[  424.771987]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.775783]  irq_exit+0x17f/0x1c0
[  424.779741]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.784857]  smp_apic_timer_interrupt+0x1cb/0x760
[  424.789089]  ? lru_add_drain_cpu+0x1c0/0x500
[  424.793570]  ? smp_reschedule_interrupt+0x109/0x650
[  424.798063]  ? free_pages_and_swap_cache+0x475/0x6f0
[  424.802189]  ? smp_call_function_single_interrupt+0x650/0x650
[  424.807216]  ? free_page_and_swap_cache+0x950/0x950
[  424.812737]  ? interrupt_entry+0xb5/0xf0
[  424.816700]  ? kasan_check_read+0x11/0x20
[  424.821744]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.826924]  ? page_mapcount+0x3b5/0x5d0
[  424.831934]  ? trace_hardirqs_off_caller+0xbb/0x310
[  424.831950]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.831962]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.831973]  ? trace_hardirqs_on_caller+0x310/0x310
[  424.831989]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.835518]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  424.840713]  ? check_preemption_disabled+0x48/0x200
[  424.844694]  ? lock_downgrade+0x900/0x900
[  424.848928]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  424.853321]  ? lock_release+0x970/0x970
[  424.857978]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  424.863498]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  424.867566]  apic_timer_interrupt+0xf/0x20
[  424.872567]  ? _vm_normal_page+0x161/0x3c0
[  424.878089]  </IRQ>
[  424.881539]  ? __pte_alloc_kernel+0x220/0x220
[  424.887066] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  424.891922]  ? kasan_check_write+0x14/0x20
[  424.896315] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  424.901322]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  424.906406] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  424.912297]  ? __tlb_remove_page_size+0x187/0x500
[  424.917297] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  424.921360]  unmap_page_range+0xf14/0x2030
[  424.925491] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  424.930531]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  424.934560] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  424.939582]  ? search_extable+0x80/0xb0
[  424.944404] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  424.949420]  ? trim_init_extable+0x3a0/0x3a0
[  424.954445] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  424.959977]  ? __get_user_8+0x21/0x2b
[  424.964856]  skb_clone+0x1bb/0x500
[  424.969845]  ? print_usage_bug+0xc0/0xc0
[  424.973978]  ? finish_task_switch+0x1b5/0x900
[  424.979505]  ? __lock_acquire+0x7ec/0x4ec0
[  424.983462]  ? skb_split+0x11e0/0x11e0
[  424.988320]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  424.993324]  ? preempt_notifier_register+0x200/0x200
[  424.997551]  ? no_context+0xd9/0x980
[  425.001782]  ? __switch_to_asm+0x34/0x70
[  425.004003]  ? lock_downgrade+0x900/0x900
[  425.008488]  ? __switch_to_asm+0x34/0x70
[  425.013416]  ? graph_lock+0x170/0x170
[  425.017656]  ? __switch_to_asm+0x40/0x70
[  425.036569]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.041575]  ? __switch_to_asm+0x34/0x70
[  425.049273]  ? tlb_flush_mmu_free+0x135/0x1b0
[  425.054107]  ? __switch_to_asm+0x40/0x70
[  425.061379]  ? find_held_lock+0x36/0x1c0
[  425.065602]  ? __switch_to_asm+0x34/0x70
[  425.072868]  ? exit_mmap+0x4bb/0x590
[  425.077348]  ? __switch_to_asm+0x40/0x70
[  425.084611]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.088577]  ? __switch_to_asm+0x34/0x70
[  425.095838]  ? uprobe_munmap+0x14c/0x450
[  425.100234]  ? __switch_to_asm+0x34/0x70
[  425.107490]  ? uprobe_mmap+0xd50/0xd50
[  425.111299]  ? __switch_to_asm+0x40/0x70
[  425.114840]  ? lock_release+0x970/0x970
[  425.118904]  ? __switch_to_asm+0x34/0x70
[  425.123400]  ? arch_local_save_flags+0x40/0x40
[  425.127632]  bpf_clone_redirect+0xb9/0x490
[  425.131504]  ? rwsem_down_write_failed+0xe/0x10
[  425.137072]  ? __schedule+0x874/0x1ed0
[  425.142180]  ? rwsem_down_write_failed+0xe/0x10
[  425.145884]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  425.149946]  ? call_rwsem_down_write_failed+0x17/0x30
[  425.154080]  ? __sched_text_start+0x8/0x8
[  425.158139]  unmap_single_vma+0x19b/0x310
[  425.161928]  ? lockdep_hardirqs_on+0x421/0x5c0
[  425.165981]  unmap_vmas+0x125/0x200
[  425.171529]  ? retint_kernel+0x2d/0x2d
[  425.175578]  exit_mmap+0x2be/0x590
[  425.180064]  ? trace_hardirqs_on_caller+0xc0/0x310
[  425.184132]  ? __ia32_sys_munmap+0x80/0x80
[  425.188182]  ? find_held_lock+0x36/0x1c0
[  425.192256]  ? __might_sleep+0x95/0x190
[  425.195950]  ? lock_acquire+0x1ed/0x520
[  425.199990]  mmput+0x247/0x610
[  425.205512]  ? bpf_test_run+0x3cb/0x780
[  425.209560]  ? lock_downgrade+0x900/0x900
[  425.213622]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.217671]  ? set_mm_exe_file+0x200/0x200
[  425.221554]  ? check_preemption_disabled+0x48/0x200
[  425.225612]  ? kasan_check_read+0x11/0x20
[  425.229592]  ? kasan_check_read+0x11/0x20
[  425.233645]  ? do_raw_spin_unlock+0xa7/0x2f0
[  425.238215]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  425.242435]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  425.247102]  ? rcu_bh_qs+0xc0/0xc0
[  425.250975]  ? kasan_check_write+0x14/0x20
[  425.255633]  ? preempt_schedule+0x4d/0x60
[  425.260650]  ? do_raw_spin_lock+0xc1/0x200
[  425.265829]  ? ___preempt_schedule+0x16/0x18
[  425.269974]  do_exit+0xe6f/0x2610
[  425.274110]  ? bpf_test_run+0x25d/0x780
[  425.278685]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  425.282300]  ? netlink_diag_dump+0x2a0/0x2a0
[  425.286169]  ? mm_update_next_owner+0x990/0x990
[  425.289696]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  425.294611]  ? print_usage_bug+0xc0/0xc0
[  425.298835]  ? bpf_test_init.isra.9+0x70/0x100
[  425.302900]  ? graph_lock+0x170/0x170
[  425.306861]  ? bpf_prog_test_run_skb+0x634/0xb40
[  425.310820]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.314007]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  425.318266]  ? check_preemption_disabled+0x48/0x200
[  425.322255]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  425.327796]  ? check_preemption_disabled+0x48/0x200
[  425.332029]  ? fput+0x130/0x1a0
[  425.337029]  ? print_usage_bug+0xc0/0xc0
[  425.341163]  ? __bpf_prog_get+0x9b/0x290
[  425.345302]  ? __lock_acquire+0x7ec/0x4ec0
[  425.349712]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  425.354977]  ? __lock_acquire+0x7ec/0x4ec0
[  425.359559]  ? bpf_prog_test_run+0x130/0x1a0
[  425.363103]  ? mark_held_locks+0x130/0x130
[  425.367326]  ? __x64_sys_bpf+0x3d8/0x510
[  425.371467]  ? mark_held_locks+0x130/0x130
[  425.375681]  ? bpf_prog_get+0x20/0x20
[  425.380081]  ? kasan_check_write+0x14/0x20
[  425.383534]  ? do_syscall_64+0x1b9/0x820
[  425.387480]  ? finish_task_switch+0x2f5/0x900
[  425.392498]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.396885]  ? __switch_to_asm+0x40/0x70
[  425.401541]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.407069]  ? __switch_to_asm+0x34/0x70
[  425.411117]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.415689]  ? __switch_to_asm+0x34/0x70
[  425.419482]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  425.424417]  ? __switch_to_asm+0x40/0x70
[  425.429942]  ? recalc_sigpending_tsk+0x180/0x180
[  425.434775]  ? __switch_to_asm+0x34/0x70
[  425.439781]  ? kasan_check_write+0x14/0x20
[  425.445553]  ? __switch_to_asm+0x40/0x70
[  425.450558]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.453825]  ? __switch_to_asm+0x34/0x70
[  425.457881]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.461941]  ? __switch_to_asm+0x34/0x70
[  425.466207] rcu: rcu_preempt kthread starved for 10176 jiffies! g15137 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0
[  425.471026]  ? __switch_to_asm+0x34/0x70
[  425.475238] rcu: RCU grace-period kthread stack dump:
[  425.479654]  ? __switch_to_asm+0x34/0x70
[  425.483868] rcu_preempt     R
[  425.487929]  ? __switch_to_asm+0x40/0x70
[  425.492144]   running task    
[  425.495956]  ? __switch_to_asm+0x34/0x70
[  425.500175] 23064    10      2 0x80000000
[  425.504226]  ? __switch_to_asm+0x40/0x70
[  425.508697] Call Trace:
[  425.514580]  ? graph_lock+0x170/0x170
[  425.518631]  __schedule+0x86c/0x1ed0
[  425.523546]  ? graph_lock+0x170/0x170
[  425.523576]  ? graph_lock+0x170/0x170
[  425.527633]  ? __sched_text_start+0x8/0x8
[  425.532636]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.536678]  ? __mod_timer+0x6f6/0x1870
[  425.541684]  ? wait_consider_task+0x245/0x3bb0
[  425.545732]  ? add_timer_on+0x9f0/0x9f0
[  425.550472]  ? memset+0x31/0x40
[  425.554523]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.558744]  ? find_held_lock+0x36/0x1c0
[  425.562878]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  425.567718]  ? get_signal+0x95b/0x1980
[  425.571759]  ? trace_hardirqs_on+0xbd/0x310
[  425.577111]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.581163]  ? kasan_check_read+0x11/0x20
[  425.591641]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.595699]  ? prepare_to_swait_event+0x25a/0x800
[  425.600885]  do_group_exit+0x177/0x440
[  425.604941]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.608034]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  425.612095]  schedule+0xfe/0x460
[  425.615276]  ? __ia32_sys_exit+0x50/0x50
[  425.619326]  ? __schedule+0x1ed0/0x1ed0
[  425.623473]  get_signal+0x8b0/0x1980
[  425.627519]  ? prepare_to_swait_event+0x25a/0x800
[  425.630567]  ? ptrace_notify+0x130/0x130
[  425.634364]  ? __init_swait_queue_head+0x150/0x150
[  425.638073]  ? do_wait+0x57d/0xb90
[  425.641874]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  425.645675]  ? wait_consider_task+0x3bb0/0x3bb0
[  425.649809]  ? __lockdep_init_map+0x105/0x590
[  425.655469]  ? graph_lock+0x170/0x170
[  425.659442]  ? lockdep_init_map+0x9/0x10
[  425.664008]  ? graph_lock+0x170/0x170
[  425.667974]  schedule_timeout+0x140/0x260
[  425.671233]  ? graph_lock+0x170/0x170
[  425.676333]  ? usleep_range+0x1a0/0x1a0
[  425.680401]  do_signal+0x9c/0x21e0
[  425.685528]  ? __next_timer_interrupt+0x1a0/0x1a0
[  425.689401]  ? find_held_lock+0x36/0x1c0
[  425.693720]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  425.698203]  ? setup_sigcontext+0x7d0/0x7d0
[  425.702345]  rcu_gp_kthread+0x9d9/0x2310
[  425.706830]  ? kernel_wait4+0x2e0/0x3f0
[  425.711693]  ? rcu_gp_init+0x1830/0x1830
[  425.715545]  ? __ia32_sys_waitid+0x140/0x140
[  425.720975]  ? update_curr+0x344/0xbe0
[  425.726417]  ? task_stopped_code+0x190/0x190
[  425.729768]  ? graph_lock+0x170/0x170
[  425.733819]  ? exit_to_usermode_loop+0x8c/0x380
[  425.737776]  ? __account_cfs_rq_runtime+0x790/0x790
[  425.741486]  ? __do_page_fault+0x4a6/0xed0
[  425.746302]  ? __lock_acquire+0x7ec/0x4ec0
[  425.750353]  ? do_syscall_64+0x9a/0x820
[  425.755273]  ? graph_lock+0x170/0x170
[  425.758801]  ? do_syscall_64+0x9a/0x820
[  425.763901]  ? mark_held_locks+0x130/0x130
[  425.768567]  exit_to_usermode_loop+0x2e5/0x380
[  425.773052]  ? __lock_is_held+0xb5/0x140
[  425.776838]  ? syscall_slow_exit_work+0x520/0x520
[  425.780895]  ? __account_cfs_rq_runtime+0x790/0x790
[  425.784692]  do_syscall_64+0x6be/0x820
[  425.788833]  ? set_next_entity+0x2f0/0xaf0
[  425.792628]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  425.796598]  ? mark_held_locks+0x130/0x130
[  425.800126]  ? syscall_return_slowpath+0x5e0/0x5e0
[  425.804956]  ? rcu_read_lock_sched_held+0x108/0x120
[  425.808997]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.814531]  ? update_load_avg+0x2470/0x2470
[  425.818835]  ? trace_hardirqs_on_caller+0x310/0x310
[  425.822903]  ? __enqueue_entity+0x10d/0x1f0
[  425.826881]  ? prepare_exit_to_usermode+0x291/0x3b0
[  425.830929]  ? graph_lock+0x170/0x170
[  425.835321]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  425.839194]  ? match_held_lock+0x290/0x8d0
[  425.843608]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  425.847386]  ? graph_lock+0x170/0x170
[  425.847417]  ? match_held_lock+0x290/0x8d0
[  425.852438] RIP: 0033:0x41124a
[  425.857453]  ? match_held_lock+0x290/0x8d0
[  425.861673] Code: Bad RIP value.
[  425.865897]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.869856] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246
[  425.873654]  ? _raw_spin_unlock_irq+0x27/0x80
[  425.877604]  ORIG_RAX: 000000000000003d
[  425.877618] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  425.881845]  ? lockdep_hardirqs_on+0x421/0x5c0
[  425.886408] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  425.886421] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  425.890478]  ? trace_hardirqs_on+0xbd/0x310
[  425.895308] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  425.900322]  ? kasan_check_read+0x11/0x20
[  425.904186] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  425.904219] warn_alloc_show_mem: 1 callbacks suppressed
[  425.904224] Mem-Info:
[  425.908440]  ? mark_held_locks+0x130/0x130
[  425.913805] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  425.913805]  active_file:8 inactive_file:19 isolated_file:0
[  425.913805]  unevictable:0 dirty:0 writeback:0 unstable:0
[  425.913805]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  425.913805]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  425.913805]  free:13709 free_pcp:257 free_cma:0
[  425.918017]  ? audit_add_watch+0xc1/0xdc0
[  425.922951] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  425.927970]  ? kasan_check_write+0x14/0x20
[  425.932792] Node 0 
[  425.937205]  ? finish_task_switch+0x2f5/0x900
[  425.942223] 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
[  425.946528]  ? __switch_to_asm+0x40/0x70
[  425.951514] lowmem_reserve[]: 0
[  425.955330]  ? preempt_notifier_register+0x200/0x200
[  425.960147]  2819
[  425.964376]  ? __switch_to_asm+0x34/0x70
[  425.969549]  6323
[  425.973345]  ? __switch_to_asm+0x34/0x70
[  425.977570]  6323
[  425.980768]  ? __switch_to_asm+0x40/0x70
[  425.984981] Node 0 
[  425.988345]  ? __switch_to_asm+0x40/0x70
[  425.992859] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  425.998193]  ? __switch_to_asm+0x34/0x70
[  426.002657] lowmem_reserve[]: 0
[  426.006641]  ? __switch_to_asm+0x40/0x70
[  426.013899]  0 3503
[  426.018493]  ? __switch_to_asm+0x34/0x70
[  426.025745]  3503
[  426.033015]  ? __switch_to_asm+0x34/0x70
[  426.044590]  ? __switch_to_asm+0x40/0x70
[  426.048717] Node 0 
[  426.055985]  ? __switch_to_asm+0x40/0x70
[  426.061348] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  426.063733]  ? __switch_to_asm+0x34/0x70
[  426.067941] lowmem_reserve[]: 0
[  426.101440]  ? __switch_to_asm+0x40/0x70
[  426.101459]  ? __schedule+0x874/0x1ed0
[  426.105602]  0
[  426.133268]  ? __switch_to_asm+0x40/0x70
[  426.137484]  0
[  426.139721]  ? __switch_to_asm+0x40/0x70
[  426.144189]  0
[  426.170407]  ? graph_lock+0x170/0x170
[  426.174439] Node 0 
[  426.177720]  ? __sched_text_start+0x8/0x8
[  426.183247] DMA: 1*4kB 
[  426.185329]  ? find_held_lock+0x36/0x1c0
[  426.189356] (U) 0*8kB 
[  426.191522]  ? __kthread_parkme+0xce/0x1a0
[  426.195557] 0*16kB 
[  426.197645]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.201677] 1*32kB (U) 
[  426.203922]  ? _raw_spin_unlock_irqrestore+0x82/0xd0
[  426.207958] 2*64kB (U) 
[  426.234685]  ? lockdep_hardirqs_on+0x421/0x5c0
[  426.238719] 1*128kB (U) 
[  426.242011]  ? trace_hardirqs_on+0xbd/0x310
[  426.246602] 1*256kB 
[  426.248580]  ? kasan_check_read+0x11/0x20
[  426.252718] (U) 0*512kB 
[  426.254792]  ? __kthread_parkme+0xce/0x1a0
[  426.258831] 1*1024kB 
[  426.262892]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.265107] (U) 
[  426.269162]  ? kasan_check_write+0x14/0x20
[  426.298040] 1*2048kB (M) 
[  426.302133]  ? do_raw_spin_lock+0xc1/0x200
[  426.305393] 3*4096kB 
[  426.309457]  ? _raw_spin_unlock_irqrestore+0x6d/0xd0
[  426.313545] (M) = 15908kB
[  426.315362]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.320163] Node 0 
[  426.321959]  ? __kthread_parkme+0xfb/0x1a0
[  426.321979]  kthread+0x35a/0x420
[  426.321997]  ? rcu_gp_init+0x1830/0x1830
[  426.322009]  ? kthread_bind+0x40/0x40
[  426.322031]  ret_from_fork+0x3a/0x50
[  426.326482] DMA32: 4*4kB 
[  426.328428] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.332196] (UM) 2*8kB 
[  426.334505] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.338795] (UM) 
[  426.341369] syz-executor4 cpuset=
[  426.345420] 2*16kB (M) 
[  426.347919] syz4
[  426.352137] 3*32kB (UM) 
[  426.354392]  mems_allowed=0
[  426.359479] 5*64kB 
[  426.362065] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  426.367142] (UM) 
[  426.369713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  426.374295] 4*128kB 
[  426.376976] Call Trace:
[  426.381393] (UM) 
[  426.383714]  <IRQ>
[  426.387845] 4*256kB (UM) 
[  426.390525]  dump_stack+0x1c4/0x2b4
[  426.394739] 3*512kB 
[  426.397146]  ? dump_stack_print_info.cold.2+0x52/0x52
[  426.402564] (M) 3*1024kB 
[  426.404548]  warn_alloc.cold.119+0xb7/0x1bd
[  426.408749] (UM) 
[  426.411502]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  426.415723] 3*2048kB (M) 
[  426.418138]  ? lock_downgrade+0x900/0x900
[  426.423215] 3*4096kB 
[  426.425967]  ? trace_hardirqs_off+0xb8/0x310
[  426.431475] (M) 
[  426.433718]  ? trace_hardirqs_off+0xb8/0x310
[  426.437922] = 25056kB
[  426.441300]  __alloc_pages_slowpath+0x2667/0x2d80
[  426.445334] Node 0 
[  426.449155]  ? warn_alloc+0x120/0x120
[  426.452825] Normal: 
[  426.455596]  ? warn_alloc+0x120/0x120
[  426.462077] 798*4kB 
[  426.464658]  ? print_usage_bug+0xc0/0xc0
[  426.475118] (ME) 
[  426.477175]  ? warn_alloc+0x120/0x120
[  426.480620] 471*8kB 
[  426.483213]  ? print_usage_bug+0xc0/0xc0
[  426.485169] (UME) 
[  426.487837]  ? __lock_acquire+0x7ec/0x4ec0
[  426.490748] 208*16kB 
[  426.492981]  ? __lock_acquire+0x7ec/0x4ec0
[  426.500229] (UME) 
[  426.502294]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.511619] 76*32kB (UME) 
[  426.513954]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  426.516520] 4*64kB 
[  426.518591]  ? should_fail+0x22d/0xd01
[  426.520717] (M) 
[  426.523476]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.527078] 1*128kB (U) 
[  426.529413]  ? __lock_acquire+0x7ec/0x4ec0
[  426.534579] 1*256kB 
[  426.537335]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  426.541630] (U) 
[  426.543688]  ? __lock_acquire+0x7ec/0x4ec0
[  426.548506] 1*512kB 
[  426.551257]  ? should_fail+0x22d/0xd01
[  426.555406] (U) 
[  426.557824]  ? mark_held_locks+0x130/0x130
[  426.562198] 0*1024kB 0*2048kB 
[  426.564178]  ? mark_held_locks+0x130/0x130
[  426.568578] 0*4096kB 
[  426.570987]  ? graph_lock+0x170/0x170
[  426.575816] = 13872kB
[  426.578046]  ? print_usage_bug+0xc0/0xc0
[  426.581834] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  426.584158]  ? graph_lock+0x170/0x170
[  426.587941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  426.590257]  ? print_usage_bug+0xc0/0xc0
[  426.594307] 1299 total pagecache pages
[  426.596367]  ? wq_watchdog_touch+0x9c/0xfe
[  426.600162] 0 pages in swap cache
[  426.602487]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.606527] Swap cache stats: add 0, delete 0, find 0/0
[  426.608675]  ? check_preemption_disabled+0x48/0x200
[  426.612886] Free swap  = 0kB
[  426.615294]  ? check_preemption_disabled+0x48/0x200
[  426.619537] Total swap = 0kB
[  426.621684]  ? __lock_is_held+0xb5/0x140
[  426.627212] 1965979 pages RAM
[  426.630060]  __alloc_pages_nodemask+0xa80/0xde0
[  426.635579] 0 pages HighMem/MovableOnly
[  426.637809]  ? graph_lock+0x170/0x170
[  426.641701] 342306 pages reserved
[  426.643701]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  426.648779] 0 pages cma reserved
[  426.651450]  ? graph_lock+0x170/0x170
[  426.655755] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  426.657985]  ? find_held_lock+0x36/0x1c0
[  426.658012]  ? ____cache_alloc_node+0x1c7/0x1e0
[  426.663161] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  426.665064]  ? lock_downgrade+0x900/0x900
[  426.669277] syz-executor1 cpuset=
[  426.671604]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.675467] /
[  426.677445]  cache_grow_begin+0x91/0x8c0
[  426.681658]  mems_allowed=0
[  426.684849]  ? do_raw_spin_unlock+0xa7/0x2f0
[  426.852286]  fallback_alloc+0x203/0x2e0
[  426.856274]  ____cache_alloc_node+0x1c7/0x1e0
[  426.860783]  kmem_cache_alloc_node+0xe3/0x730
[  426.865282]  ? ipv6_get_ifaddr+0x42e/0x620
[  426.869536]  __alloc_skb+0x119/0x770
[  426.873258]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  426.878542]  ? skb_scrub_packet+0x490/0x490
[  426.882877]  ? lock_downgrade+0x900/0x900
[  426.887034]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  426.892585]  ? refcount_sub_and_test_checked+0x203/0x310
[  426.898046]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  426.903502]  ? addrconf_rs_timer+0x690/0x690
[  426.907917]  ndisc_alloc_skb+0x144/0x340
[  426.911980]  ndisc_send_rs+0x331/0x6e0
[  426.915877]  addrconf_rs_timer+0x314/0x690
[  426.920119]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.924374]  call_timer_fn+0x272/0x920
[  426.928270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.932507]  ? process_timeout+0x40/0x40
[  426.936572]  ? find_held_lock+0x36/0x1c0
[  426.940642]  ? __run_timers+0x7da/0xc70
[  426.944625]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.949127]  ? _raw_spin_unlock_irq+0x27/0x80
[  426.953622]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.957862]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  426.962447]  ? trace_hardirqs_on+0xbd/0x310
[  426.966771]  ? kasan_check_read+0x11/0x20
[  426.970935]  ? __run_timers+0x7da/0xc70
[  426.974910]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  426.980366]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.984616]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  426.988865]  __run_timers+0x7e5/0xc70
[  426.992680]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  426.998046]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  427.003066]  ? graph_lock+0x170/0x170
[  427.006871]  ? enqueue_hrtimer+0x1a5/0x560
[  427.011114]  ? lock_release+0x970/0x970
[  427.015092]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  427.020289]  ? find_held_lock+0x36/0x1c0
[  427.024359]  ? graph_lock+0x170/0x170
[  427.028162]  ? pvclock_read_flags+0x160/0x160
[  427.032659]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.038198]  ? check_preemption_disabled+0x48/0x200
[  427.043230]  ? __lock_is_held+0xb5/0x140
[  427.047305]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.052846]  ? check_preemption_disabled+0x48/0x200
[  427.057870]  run_timer_softirq+0x52/0xb0
[  427.061932]  ? rcu_read_lock_sched_held+0x108/0x120
[  427.066951]  __do_softirq+0x30b/0xad8
[  427.070762]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  427.075888]  ? pvclock_read_flags+0x160/0x160
[  427.080419]  ? lapic_next_event+0x5a/0x90
[  427.084568]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.090111]  ? check_preemption_disabled+0x48/0x200
[  427.095129]  ? check_preemption_disabled+0x48/0x200
[  427.100157]  ? kvm_clock_read+0x18/0x30
[  427.104148]  ? kvm_sched_clock_read+0x9/0x20
[  427.108564]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.114110]  ? check_preemption_disabled+0x48/0x200
[  427.119155]  irq_exit+0x17f/0x1c0
[  427.122619]  smp_apic_timer_interrupt+0x1cb/0x760
[  427.127460]  ? smp_reschedule_interrupt+0x109/0x650
[  427.132485]  ? smp_call_function_single_interrupt+0x650/0x650
[  427.138386]  ? interrupt_entry+0xb5/0xf0
[  427.142461]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.147477]  ? trace_hardirqs_off_caller+0xbb/0x310
[  427.152499]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.157343]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.162386]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.167411]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.172948]  ? check_preemption_disabled+0x48/0x200
[  427.177999]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.183549]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.188411]  apic_timer_interrupt+0xf/0x20
[  427.192650]  </IRQ>
[  427.194902] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  427.199852] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  427.218759] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  427.226468] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  427.233734] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  427.241001] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  427.248267] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  427.255545] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  427.262872]  skb_clone+0x1bb/0x500
[  427.266416]  ? finish_task_switch+0x1b5/0x900
[  427.270922]  ? skb_split+0x11e0/0x11e0
[  427.274829]  ? preempt_notifier_register+0x200/0x200
[  427.279944]  ? __switch_to_asm+0x34/0x70
[  427.284003]  ? __switch_to_asm+0x34/0x70
[  427.288063]  ? __switch_to_asm+0x40/0x70
[  427.292119]  ? __switch_to_asm+0x34/0x70
[  427.296179]  ? __switch_to_asm+0x40/0x70
[  427.300240]  ? __switch_to_asm+0x34/0x70
[  427.304300]  ? __switch_to_asm+0x40/0x70
[  427.308364]  ? __switch_to_asm+0x34/0x70
[  427.312443]  ? __switch_to_asm+0x34/0x70
[  427.316508]  ? __switch_to_asm+0x40/0x70
[  427.320582]  ? __switch_to_asm+0x34/0x70
[  427.324667]  bpf_clone_redirect+0xb9/0x490
[  427.328941]  ? __schedule+0x874/0x1ed0
[  427.332833]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  427.337848]  ? __sched_text_start+0x8/0x8
[  427.342005]  ? lockdep_hardirqs_on+0x421/0x5c0
[  427.346604]  ? retint_kernel+0x2d/0x2d
[  427.350495]  ? trace_hardirqs_on_caller+0xc0/0x310
[  427.355435]  ? find_held_lock+0x36/0x1c0
[  427.359507]  ? lock_acquire+0x1ed/0x520
[  427.363487]  ? bpf_test_run+0x3cb/0x780
[  427.367465]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.373028]  ? check_preemption_disabled+0x48/0x200
[  427.378056]  ? kasan_check_read+0x11/0x20
[  427.382211]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  427.387490]  ? rcu_bh_qs+0xc0/0xc0
[  427.391026]  ? preempt_schedule+0x4d/0x60
[  427.395175]  ? ___preempt_schedule+0x16/0x18
[  427.399589]  ? bpf_test_run+0x25d/0x780
[  427.403572]  ? netlink_diag_dump+0x2a0/0x2a0
[  427.407980]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.413514]  ? bpf_test_init.isra.9+0x70/0x100
[  427.418101]  ? bpf_prog_test_run_skb+0x634/0xb40
[  427.422879]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  427.427722]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  427.433305]  ? fput+0x130/0x1a0
[  427.436589]  ? __bpf_prog_get+0x9b/0x290
[  427.440653]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  427.445491]  ? bpf_prog_test_run+0x130/0x1a0
[  427.449904]  ? __x64_sys_bpf+0x3d8/0x510
[  427.453968]  ? bpf_prog_get+0x20/0x20
[  427.457796]  ? do_syscall_64+0x1b9/0x820
[  427.461857]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  427.467220]  ? syscall_return_slowpath+0x5e0/0x5e0
[  427.472152]  ? trace_hardirqs_on_caller+0x310/0x310
[  427.477169]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  427.482202]  ? recalc_sigpending_tsk+0x180/0x180
[  427.486974]  ? kasan_check_write+0x14/0x20
[  427.491220]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  427.496073]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  427.501464] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  427.501466] Mem-Info:
[  427.501511] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  427.501511]  active_file:8 inactive_file:19 isolated_file:0
[  427.501511]  unevictable:0 dirty:0 writeback:0 unstable:0
[  427.501511]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  427.501511]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  427.501511]  free:13709 free_pcp:257 free_cma:0
[  427.508766] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  427.511231] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  427.544174] Call Trace:
[  427.553518] Node 0 
[  427.581178]  <IRQ>
[  427.583773] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  427.585986]  dump_stack+0x1c4/0x2b4
[  427.588103] lowmem_reserve[]: 0
[  427.613613]  ? dump_stack_print_info.cold.2+0x52/0x52
[  427.617210]  2819 6323
[  427.620519]  warn_alloc.cold.119+0xb7/0x1bd
[  427.625669]  6323
[  427.628168]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  427.632468] Node 0 
[  427.634526]  ? lock_downgrade+0x900/0x900
[  427.639361] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB
[  427.641574]  ? trace_hardirqs_off+0xb8/0x310
[  427.645682] lowmem_reserve[]: 0
[  427.672593]  ? trace_hardirqs_off+0xb8/0x310
[  427.676974]  0
[  427.680247]  __alloc_pages_slowpath+0x2667/0x2d80
[  427.684619]  3503 3503
[  427.686447]  ? warn_alloc+0x120/0x120
[  427.691243] Node 0 
[  427.693738]  ? lock_release+0x970/0x970
[  427.697551] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:580kB free_cma:0kB
[  427.699761]  ? warn_alloc+0x120/0x120
[  427.703717] lowmem_reserve[]: 0 0
[  427.732209]  ? print_usage_bug+0xc0/0xc0
[  427.735989]  0
[  427.739438]  ? warn_alloc+0x120/0x120
[  427.743469]  0
[  427.745277]  ? print_usage_bug+0xc0/0xc0
[  427.749056] Node 0 
[  427.750854]  ? __lock_acquire+0x7ec/0x4ec0
[  427.754884] DMA: 1*4kB 
[  427.757134]  ? __lock_acquire+0x7ec/0x4ec0
[  427.761345] (U) 
[  427.763934]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.768134] 0*8kB 0*16kB 
[  427.770113]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  427.775622] 1*32kB (U) 
[  427.778395]  ? should_fail+0x22d/0xd01
[  427.783916] 2*64kB 
[  427.786499]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.790359] (U) 1*128kB 
[  427.792605]  ? __lock_acquire+0x7ec/0x4ec0
[  427.797681] (U) 1*256kB 
[  427.800365]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  427.804580] (U) 0*512kB 
[  427.807257]  ? __lock_acquire+0x7ec/0x4ec0
[  427.812334] 1*1024kB (U) 
[  427.815013]  ? should_fail+0x22d/0xd01
[  427.819221] 1*2048kB (M) 
[  427.821990]  ? mark_held_locks+0x130/0x130
[  427.825851] 3*4096kB 
[  427.828606]  ? mark_held_locks+0x130/0x130
[  427.832823] (M) 
[  427.835249]  ? graph_lock+0x170/0x170
[  427.839465] = 15908kB
[  427.841440]  ? print_usage_bug+0xc0/0xc0
[  427.845220] Node 0 
[  427.847627]  ? graph_lock+0x170/0x170
[  427.851662] DMA32: 4*4kB 
[  427.853909]  ? print_usage_bug+0xc0/0xc0
[  427.857679] (UM) 2*8kB 
[  427.860449]  ? wq_watchdog_touch+0x9c/0xfe
[  427.864504] (UM) 2*16kB 
[  427.867099]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.871300] (M) 3*32kB 
[  427.874005]  ? check_preemption_disabled+0x48/0x200
[  427.879510] (UM) 5*64kB 
[  427.882108]  ? check_preemption_disabled+0x48/0x200
[  427.887105] (UM) 4*128kB 
[  427.889795]  ? __lock_is_held+0xb5/0x140
[  427.894792] (UM) 
[  427.897553]  __alloc_pages_nodemask+0xa80/0xde0
[  427.901580] 4*256kB (UM) 3*512kB 
[  427.903729]  ? graph_lock+0x170/0x170
[  427.908377] (M) 
[  427.911838]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  427.915613] 3*1024kB 
[  427.917587]  ? graph_lock+0x170/0x170
[  427.922583] (UM) 
[  427.925118]  ? find_held_lock+0x36/0x1c0
[  427.928886] 3*2048kB (M) 
[  427.930966]  ? ____cache_alloc_node+0x1c7/0x1e0
[  427.935002] 3*4096kB 
[  427.937767]  ? lock_downgrade+0x900/0x900
[  427.942415] (M) 
[  427.944829]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  427.948948] = 25056kB
[  427.948957] Node 0 
[  427.950932]  cache_grow_begin+0x91/0x8c0
[  427.956449] Normal: 798*4kB 
[  427.958880]  ? do_raw_spin_unlock+0xa7/0x2f0
[  427.961096] (ME) 
[  427.965158]  fallback_alloc+0x203/0x2e0
[  427.968148] 471*8kB (UME) 
[  427.972567]  ____cache_alloc_node+0x1c7/0x1e0
[  427.974598] 208*16kB (UME) 
[  427.978577]  kmem_cache_alloc_node+0xe3/0x730
[  427.981417] 76*32kB (UME) 
[  427.985921]  ? ipv6_get_ifaddr+0x42e/0x620
[  427.988831] 4*64kB 
[  427.993327]  __alloc_skb+0x119/0x770
[  427.996134] (M) 1*128kB 
[  428.000395]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  428.002606] (U) 1*256kB 
[  428.006322]  ? skb_scrub_packet+0x490/0x490
[  428.008967] (U) 1*512kB 
[  428.014250]  ? lock_downgrade+0x900/0x900
[  428.016905] (U) 
[  428.021230]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.023873] 0*1024kB 0*2048kB 
[  428.028034]  ? refcount_sub_and_test_checked+0x203/0x310
[  428.029983] 0*4096kB = 13872kB
[  428.035526]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  428.038705] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  428.044146]  ? addrconf_rs_timer+0x690/0x690
[  428.047350] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  428.052805]  ndisc_alloc_skb+0x144/0x340
[  428.061616] 1299 total pagecache pages
[  428.066028]  ndisc_send_rs+0x331/0x6e0
[  428.075076] 0 pages in swap cache
[  428.079135]  addrconf_rs_timer+0x314/0x690
[  428.083001] Swap cache stats: add 0, delete 0, find 0/0
[  428.086880]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.090304] Free swap  = 0kB
[  428.090313] Total swap = 0kB
[  428.094551]  call_timer_fn+0x272/0x920
[  428.099883] 1965979 pages RAM
[  428.104121]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.107109] 0 pages HighMem/MovableOnly
[  428.107118] 342306 pages reserved
[  428.110132]  ? process_timeout+0x40/0x40
[  428.113991] 0 pages cma reserved
[  428.114107] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  428.117100]  ? find_held_lock+0x36/0x1c0
[  428.117124]  ? mark_held_locks+0xc7/0x130
[  428.121493] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  428.125327]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.128757] syz-executor4 cpuset=
[  428.132820]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.136175] syz4
[  428.142662]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.146701]  mems_allowed=0
[  428.183456]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  428.188042]  ? trace_hardirqs_on+0xbd/0x310
[  428.192367]  ? kasan_check_read+0x11/0x20
[  428.196535]  ? __run_timers+0x7da/0xc70
[  428.200511]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.205963]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.210199]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  428.214460]  __run_timers+0x7e5/0xc70
[  428.218284]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  428.223646]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.228664]  ? graph_lock+0x170/0x170
[  428.232466]  ? print_usage_bug+0xc0/0xc0
[  428.236528]  ? lock_release+0x970/0x970
[  428.240505]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  428.245716]  ? find_held_lock+0x36/0x1c0
[  428.249779]  ? graph_lock+0x170/0x170
[  428.253593]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.259130]  ? check_preemption_disabled+0x48/0x200
[  428.264153]  ? __lock_is_held+0xb5/0x140
[  428.268217]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.273752]  ? check_preemption_disabled+0x48/0x200
[  428.278774]  run_timer_softirq+0x52/0xb0
[  428.282850]  ? rcu_read_lock_sched_held+0x108/0x120
[  428.287868]  __do_softirq+0x30b/0xad8
[  428.291679]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  428.296786]  ? pvclock_read_flags+0x160/0x160
[  428.301284]  ? lapic_next_event+0x5a/0x90
[  428.305433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.310974]  ? check_preemption_disabled+0x48/0x200
[  428.315989]  ? check_preemption_disabled+0x48/0x200
[  428.321011]  ? kvm_clock_read+0x18/0x30
[  428.324996]  ? kvm_sched_clock_read+0x9/0x20
[  428.329412]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.334950]  ? check_preemption_disabled+0x48/0x200
[  428.340005]  irq_exit+0x17f/0x1c0
[  428.343462]  smp_apic_timer_interrupt+0x1cb/0x760
[  428.348310]  ? smp_call_function_single_interrupt+0x650/0x650
[  428.354199]  ? interrupt_entry+0xb5/0xf0
[  428.358260]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.363272]  ? trace_hardirqs_off_caller+0xbb/0x310
[  428.368291]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.373148]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.378164]  ? trace_hardirqs_on_caller+0x310/0x310
[  428.383183]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.388720]  ? check_preemption_disabled+0x48/0x200
[  428.393733]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.399280]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  428.404153]  apic_timer_interrupt+0xf/0x20
[  428.408386]  </IRQ>
[  428.410627] RIP: 0010:lock_acquire+0x268/0x520
[  428.415212] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  428.434115] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  428.441829] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  428.449100] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  428.456364] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  428.463662] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  428.470926] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  428.478217]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.483760]  ? lock_release+0x970/0x970
[  428.487734]  ? activate_page+0x1040/0x1040
[  428.491975]  ? __unlock_page_memcg+0x53/0x100
[  428.496473]  ? check_preemption_disabled+0x48/0x200
[  428.501497]  lock_page_memcg+0x95/0x350
[  428.505470]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  428.510660]  ? rcu_bh_qs+0xc0/0xc0
[  428.514213]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  428.519425]  page_remove_rmap+0x855/0x1a30
[  428.523675]  ? page_add_file_rmap+0x1470/0x1470
[  428.528348]  ? __lock_is_held+0xb5/0x140
[  428.532451]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.538002]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.543542]  ? lru_add_drain_cpu+0x1c0/0x500
[  428.547983]  ? free_pages_and_swap_cache+0x475/0x6f0
[  428.553098]  ? free_page_and_swap_cache+0x950/0x950
[  428.558133]  ? kasan_check_read+0x11/0x20
[  428.562290]  ? page_mapcount+0x3b5/0x5d0
[  428.566366]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  428.571221]  ? lock_downgrade+0x900/0x900
[  428.575381]  ? lock_release+0x970/0x970
[  428.579390]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  428.584410]  ? _vm_normal_page+0x161/0x3c0
[  428.588655]  ? __pte_alloc_kernel+0x220/0x220
[  428.593155]  ? kasan_check_write+0x14/0x20
[  428.597397]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  428.602421]  ? __tlb_remove_page_size+0x187/0x500
[  428.607267]  unmap_page_range+0xf14/0x2030
[  428.611536]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  428.616032]  ? search_extable+0x80/0xb0
[  428.620018]  ? trim_init_extable+0x3a0/0x3a0
[  428.624428]  ? __get_user_8+0x21/0x2b
[  428.628235]  ? print_usage_bug+0xc0/0xc0
[  428.632309]  ? __lock_acquire+0x7ec/0x4ec0
[  428.636544]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  428.642085]  ? no_context+0xd9/0x980
[  428.645803]  ? lock_downgrade+0x900/0x900
[  428.649954]  ? graph_lock+0x170/0x170
[  428.653763]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.659305]  ? tlb_flush_mmu_free+0x135/0x1b0
[  428.663810]  ? find_held_lock+0x36/0x1c0
[  428.667884]  ? exit_mmap+0x4bb/0x590
[  428.671603]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  428.677141]  ? uprobe_munmap+0x14c/0x450
[  428.681205]  ? uprobe_mmap+0xd50/0xd50
[  428.685094]  ? lock_release+0x970/0x970
[  428.689069]  ? arch_local_save_flags+0x40/0x40
[  428.693661]  ? rwsem_down_write_failed+0xe/0x10
[  428.698332]  ? rwsem_down_write_failed+0xe/0x10
[  428.703006]  ? call_rwsem_down_write_failed+0x17/0x30
[  428.708205]  unmap_single_vma+0x19b/0x310
[  428.712365]  unmap_vmas+0x125/0x200
[  428.716002]  exit_mmap+0x2be/0x590
[  428.719547]  ? __ia32_sys_munmap+0x80/0x80
[  428.723805]  ? __might_sleep+0x95/0x190
[  428.727783]  mmput+0x247/0x610
[  428.730982]  ? lock_downgrade+0x900/0x900
[  428.735133]  ? set_mm_exe_file+0x200/0x200
[  428.739389]  ? kasan_check_read+0x11/0x20
[  428.743542]  ? do_raw_spin_unlock+0xa7/0x2f0
[  428.747957]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  428.752547]  ? kasan_check_write+0x14/0x20
[  428.756786]  ? do_raw_spin_lock+0xc1/0x200
[  428.761035]  do_exit+0xe6f/0x2610
[  428.764497]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  428.769524]  ? mm_update_next_owner+0x990/0x990
[  428.774193]  ? print_usage_bug+0xc0/0xc0
[  428.778263]  ? graph_lock+0x170/0x170
[  428.782083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.787731]  ? check_preemption_disabled+0x48/0x200
[  428.792750]  ? check_preemption_disabled+0x48/0x200
[  428.797792]  ? print_usage_bug+0xc0/0xc0
[  428.801858]  ? __lock_acquire+0x7ec/0x4ec0
[  428.806133]  ? __lock_acquire+0x7ec/0x4ec0
[  428.810417]  ? mark_held_locks+0x130/0x130
[  428.814693]  ? mark_held_locks+0x130/0x130
[  428.818935]  ? kasan_check_write+0x14/0x20
[  428.823173]  ? finish_task_switch+0x2f5/0x900
[  428.827675]  ? __switch_to_asm+0x40/0x70
[  428.831742]  ? __switch_to_asm+0x34/0x70
[  428.835818]  ? __switch_to_asm+0x34/0x70
[  428.839893]  ? __switch_to_asm+0x40/0x70
[  428.844084]  ? __switch_to_asm+0x34/0x70
[  428.848612]  ? __switch_to_asm+0x40/0x70
[  428.852776]  ? __switch_to_asm+0x34/0x70
[  428.857153]  ? __switch_to_asm+0x34/0x70
[  428.861338]  ? __switch_to_asm+0x34/0x70
[  428.865585]  ? __switch_to_asm+0x34/0x70
[  428.869652]  ? __switch_to_asm+0x40/0x70
[  428.873714]  ? __switch_to_asm+0x34/0x70
[  428.877790]  ? __switch_to_asm+0x40/0x70
[  428.881857]  ? graph_lock+0x170/0x170
[  428.885671]  ? graph_lock+0x170/0x170
[  428.889479]  ? graph_lock+0x170/0x170
[  428.893287]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  428.898829]  ? wait_consider_task+0x245/0x3bb0
[  428.903412]  ? memset+0x31/0x40
[  428.906704]  ? find_held_lock+0x36/0x1c0
[  428.910779]  ? get_signal+0x95b/0x1980
[  428.914673]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.919175]  ? _raw_spin_unlock_irq+0x27/0x80
[  428.923684]  do_group_exit+0x177/0x440
[  428.927580]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  428.933033]  ? __ia32_sys_exit+0x50/0x50
[  428.937103]  get_signal+0x8b0/0x1980
[  428.940828]  ? ptrace_notify+0x130/0x130
[  428.944889]  ? do_wait+0x57d/0xb90
[  428.948452]  ? wait_consider_task+0x3bb0/0x3bb0
[  428.953117]  ? graph_lock+0x170/0x170
[  428.957057]  ? graph_lock+0x170/0x170
[  428.960923]  ? graph_lock+0x170/0x170
[  428.964746]  do_signal+0x9c/0x21e0
[  428.968291]  ? find_held_lock+0x36/0x1c0
[  428.972361]  ? setup_sigcontext+0x7d0/0x7d0
[  428.976697]  ? kernel_wait4+0x2e0/0x3f0
[  428.980684]  ? __ia32_sys_waitid+0x140/0x140
[  428.985100]  ? task_stopped_code+0x190/0x190
[  428.989517]  ? exit_to_usermode_loop+0x8c/0x380
[  428.994201]  ? __do_page_fault+0x4a6/0xed0
[  428.998447]  ? do_syscall_64+0x9a/0x820
[  429.002428]  ? do_syscall_64+0x9a/0x820
[  429.006417]  exit_to_usermode_loop+0x2e5/0x380
[  429.011105]  ? syscall_slow_exit_work+0x520/0x520
[  429.015964]  do_syscall_64+0x6be/0x820
[  429.019855]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  429.025222]  ? syscall_return_slowpath+0x5e0/0x5e0
[  429.030153]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.035001]  ? trace_hardirqs_on_caller+0x310/0x310
[  429.040030]  ? prepare_exit_to_usermode+0x291/0x3b0
[  429.045059]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  429.049928]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  429.055116] RIP: 0033:0x41124a
[  429.058313] Code: Bad RIP value.
[  429.061870] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  429.069580] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  429.076854] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  429.084120] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  429.091392] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  429.098654] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  429.105953] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  429.105956] Mem-Info:
[  429.105987] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  429.105987]  active_file:8 inactive_file:19 isolated_file:0
[  429.105987]  unevictable:0 dirty:0 writeback:0 unstable:0
[  429.105987]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  429.105987]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  429.105987]  free:13709 free_pcp:257 free_cma:0
[  429.113242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  429.115688] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  429.148612] Call Trace:
[  429.148620]  <IRQ>
[  429.148640]  dump_stack+0x1c4/0x2b4
[  429.148658]  ? dump_stack_print_info.cold.2+0x52/0x52
[  429.148687]  warn_alloc.cold.119+0xb7/0x1bd
[  429.158029] Node 0 
[  429.185696]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  429.188286] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB
[  429.190416]  ? lock_downgrade+0x900/0x900
[  429.194013] lowmem_reserve[]:
[  429.199243]  ? trace_hardirqs_off+0xb8/0x310
[  429.203539]  0
[  429.205779]  ? trace_hardirqs_off+0xb8/0x310
[  429.210604]  2819
[  429.236108]  __alloc_pages_slowpath+0x2667/0x2d80
[  429.240230]  6323
[  429.243353]  ? warn_alloc+0x120/0x120
[  429.247726]  6323
[  429.249528]  ? trace_hardirqs_on+0x310/0x310
[  429.255975]  ? warn_alloc+0x120/0x120
[  429.260807] Node 0 
[  429.262897]  ? print_usage_bug+0xc0/0xc0
[  429.266708] DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  429.268746]  ? warn_alloc+0x120/0x120
[  429.273129] lowmem_reserve[]:
[  429.276927]  ? ktime_get+0x2e1/0x440
[  429.279144]  0
[  429.283202]  ? print_usage_bug+0xc0/0xc0
[  429.309896]  0
[  429.313699]  ? __lock_acquire+0x7ec/0x4ec0
[  429.316783]  3503
[  429.320511]  ? __lock_acquire+0x7ec/0x4ec0
[  429.322302]  3503
[  429.326359]  ? kasan_check_read+0x11/0x20
[  429.332376]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  429.334419] Node 0 
[  429.338654]  ? should_fail+0x22d/0xd01
[  429.340724] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  429.344853]  ? rcu_bh_qs+0xc0/0xc0
[  429.350359] lowmem_reserve[]:
[  429.352595]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.356462]  0
[  429.384820]  ? __lock_acquire+0x7ec/0x4ec0
[  429.388340]  0
[  429.391445]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  429.396526]  0
[  429.398329]  ? __lock_acquire+0x7ec/0x4ec0
[  429.402541]  0
[  429.404344]  ? should_fail+0x22d/0xd01
[  429.409437] Node 0 
[  429.411234]  ? rcu_idle_enter+0x4b0/0x4b0
[  429.415454] DMA: 
[  429.417252]  ? mark_held_locks+0x130/0x130
[  429.421111] 1*4kB 
[  429.423342]  ? mark_held_locks+0x130/0x130
[  429.427466] (U) 
[  429.429524]  ? mark_held_locks+0xc7/0x130
[  429.433739] 0*8kB 
[  429.435880]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  429.440088] 0*16kB 
[  429.442060]  ? graph_lock+0x170/0x170
[  429.446184] 1*32kB (U) 
[  429.448367]  ? print_usage_bug+0xc0/0xc0
[  429.453365] 2*64kB 
[  429.455614]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.459392] (U) 
[  429.461982]  ? check_preemption_disabled+0x48/0x200
[  429.466017] 1*128kB 
[  429.468251]  ? check_preemption_disabled+0x48/0x200
[  429.473765] (U) 
[  429.475743]  ? __lock_is_held+0xb5/0x140
[  429.480731] 1*256kB 
[  429.483048]  __alloc_pages_nodemask+0xa80/0xde0
[  429.488030] (U) 0*512kB 
[  429.490035]  ? graph_lock+0x170/0x170
[  429.494078] 1*1024kB 
[  429.496396]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  429.501039] (U) 
[  429.503709]  ? graph_lock+0x170/0x170
[  429.507495] 1*2048kB 
[  429.509930]  ? find_held_lock+0x36/0x1c0
[  429.514921] (M) 
[  429.516913]  ? ____cache_alloc_node+0x1c7/0x1e0
[  429.520693] 3*4096kB 
[  429.523101]  ? lock_downgrade+0x900/0x900
[  429.527136] (M) = 15908kB
[  429.529124]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.533763] Node 0 
[  429.536185]  cache_grow_begin+0x91/0x8c0
[  429.540301] DMA32: 4*4kB 
[  429.543060]  ? do_raw_spin_unlock+0xa7/0x2f0
[  429.548573] (UM) 
[  429.550825]  fallback_alloc+0x203/0x2e0
[  429.554875] 2*8kB 
[  429.557632]  ____cache_alloc_node+0x1c7/0x1e0
[  429.562028] (UM) 
[  429.564088]  kmem_cache_alloc_node+0xe3/0x730
[  429.568034] 2*16kB (M) 
[  429.570194]  ? ipv6_get_ifaddr+0x42e/0x620
[  429.574665] 3*32kB 
[  429.576733]  __alloc_skb+0x119/0x770
[  429.581201] (UM) 
[  429.583789]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  429.587996] 5*64kB 
[  429.590256]  ? skb_scrub_packet+0x490/0x490
[  429.593944] (UM) 
[  429.596001]  ? lock_downgrade+0x900/0x900
[  429.601249] 4*128kB (UM) 
[  429.603498]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.607796] 4*256kB 
[  429.609868]  ? refcount_sub_and_test_checked+0x203/0x310
[  429.613992] (UM) 
[  429.616750]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  429.622264] 3*512kB 
[  429.624584]  ? addrconf_rs_timer+0x690/0x690
[  429.630008] (M) 
[  429.632077]  ndisc_alloc_skb+0x144/0x340
[  429.637498] 3*1024kB 
[  429.639819]  ndisc_send_rs+0x331/0x6e0
[  429.644200] (UM) 
[  429.646176]  addrconf_rs_timer+0x314/0x690
[  429.650222] 3*2048kB 
[  429.652628]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.656491] (M) 
[  429.658558]  call_timer_fn+0x272/0x920
[  429.662761] 3*4096kB 
[  429.665178]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.669396] (M) 
[  429.671375]  ? process_timeout+0x40/0x40
[  429.675240] = 25056kB
[  429.675248] Node 0 
[  429.677656]  ? find_held_lock+0x36/0x1c0
[  429.681868] Normal: 
[  429.683850]  ? __run_timers+0x7da/0xc70
[  429.687885] 798*4kB 
[  429.690295]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.692508] (ME) 
[  429.696572]  ? _raw_spin_unlock_irq+0x27/0x80
[  429.698887] 471*8kB 
[  429.702856]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.705162] (UME) 
[  429.709654]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  429.711699] 208*16kB 
[  429.716193]  ? trace_hardirqs_on+0xbd/0x310
[  429.718494] (UME) 
[  429.722729]  ? kasan_check_read+0x11/0x20
[  429.724860] 76*32kB 
[  429.729440]  ? __run_timers+0x7da/0xc70
[  429.731828] (UME) 
[  429.736152]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  429.738281] 4*64kB 
[  429.742432]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.744732] (M) 
[  429.748704]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  429.750832] 1*128kB 
[  429.756278]  __run_timers+0x7e5/0xc70
[  429.758496] (U) 
[  429.762747]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  429.764697] 1*256kB 
[  429.768942]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  429.771252] (U) 
[  429.775063]  ? graph_lock+0x170/0x170
[  429.777013] 1*512kB (U) 
[  429.782379]  ? enqueue_hrtimer+0x1a5/0x560
[  429.784708] 0*1024kB 0*2048kB 
[  429.789737]  ? lock_release+0x970/0x970
[  429.791686] 0*4096kB = 13872kB
[  429.795507]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  429.798169] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  429.802396]  ? find_held_lock+0x36/0x1c0
[  429.805577] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  429.809544]  ? graph_lock+0x170/0x170
[  429.812961] 1299 total pagecache pages
[  429.818151]  ? pvclock_read_flags+0x160/0x160
[  429.827076] 0 pages in swap cache
[  429.831133]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.839691] Swap cache stats: add 0, delete 0, find 0/0
[  429.843489]  ? check_preemption_disabled+0x48/0x200
[  429.847351] Free swap  = 0kB
[  429.851855]  ? __lock_is_held+0xb5/0x140
[  429.855304] Total swap = 0kB
[  429.860840]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.866185] 1965979 pages RAM
[  429.871197]  ? check_preemption_disabled+0x48/0x200
[  429.874197] 0 pages HighMem/MovableOnly
[  429.878257]  run_timer_softirq+0x52/0xb0
[  429.881248] 342306 pages reserved
[  429.881257] 0 pages cma reserved
[  429.886791]  ? rcu_read_lock_sched_held+0x108/0x120
[  429.889950] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  429.894888]  __do_softirq+0x30b/0xad8
[  429.898947] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  429.902949]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  429.906379] syz-executor1 cpuset=/
[  429.909762]  ? pvclock_read_flags+0x160/0x160
[  429.914763]  mems_allowed=0
[  429.921248]  ? lapic_next_event+0x5a/0x90
[  429.955647]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.961188]  ? check_preemption_disabled+0x48/0x200
[  429.966205]  ? check_preemption_disabled+0x48/0x200
[  429.971234]  ? kvm_clock_read+0x18/0x30
[  429.975211]  ? kvm_sched_clock_read+0x9/0x20
[  429.979624]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  429.985165]  ? check_preemption_disabled+0x48/0x200
[  429.990197]  irq_exit+0x17f/0x1c0
[  429.993659]  smp_apic_timer_interrupt+0x1cb/0x760
[  429.998498]  ? smp_reschedule_interrupt+0x109/0x650
[  430.003516]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.009422]  ? interrupt_entry+0xb5/0xf0
[  430.013524]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.018539]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.023562]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.028415]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.033463]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.038482]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.044021]  ? check_preemption_disabled+0x48/0x200
[  430.049038]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.054596]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.059446]  apic_timer_interrupt+0xf/0x20
[  430.063673]  </IRQ>
[  430.065927] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  430.070857] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  430.090269] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.097981] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  430.105244] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  430.112510] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  430.119781] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  430.127048] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  430.134366]  skb_clone+0x1bb/0x500
[  430.137920]  ? finish_task_switch+0x1b5/0x900
[  430.142445]  ? skb_split+0x11e0/0x11e0
[  430.146956]  ? preempt_notifier_register+0x200/0x200
[  430.152057]  ? __switch_to_asm+0x34/0x70
[  430.156119]  ? __switch_to_asm+0x34/0x70
[  430.160198]  ? __switch_to_asm+0x40/0x70
[  430.164266]  ? __switch_to_asm+0x34/0x70
[  430.168327]  ? __switch_to_asm+0x40/0x70
[  430.172424]  ? __switch_to_asm+0x34/0x70
[  430.176506]  ? __switch_to_asm+0x40/0x70
[  430.180579]  ? __switch_to_asm+0x34/0x70
[  430.184776]  ? __switch_to_asm+0x34/0x70
[  430.188847]  ? __switch_to_asm+0x40/0x70
[  430.192910]  ? __switch_to_asm+0x34/0x70
[  430.196985]  bpf_clone_redirect+0xb9/0x490
[  430.201224]  ? __schedule+0x874/0x1ed0
[  430.205117]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  430.210133]  ? __sched_text_start+0x8/0x8
[  430.214299]  ? lockdep_hardirqs_on+0x421/0x5c0
[  430.218884]  ? retint_kernel+0x2d/0x2d
[  430.222771]  ? trace_hardirqs_on_caller+0xc0/0x310
[  430.227726]  ? find_held_lock+0x36/0x1c0
[  430.231820]  ? lock_acquire+0x1ed/0x520
[  430.235794]  ? bpf_test_run+0x3cb/0x780
[  430.239771]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.245303]  ? check_preemption_disabled+0x48/0x200
[  430.250325]  ? kasan_check_read+0x11/0x20
[  430.254473]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  430.259761]  ? rcu_bh_qs+0xc0/0xc0
[  430.263297]  ? preempt_schedule+0x4d/0x60
[  430.267445]  ? ___preempt_schedule+0x16/0x18
[  430.271858]  ? bpf_test_run+0x25d/0x780
[  430.275844]  ? netlink_diag_dump+0x2a0/0x2a0
[  430.280268]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.285805]  ? bpf_test_init.isra.9+0x70/0x100
[  430.290394]  ? bpf_prog_test_run_skb+0x634/0xb40
[  430.295162]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  430.300014]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  430.305550]  ? fput+0x130/0x1a0
[  430.308840]  ? __bpf_prog_get+0x9b/0x290
[  430.312904]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  430.317771]  ? bpf_prog_test_run+0x130/0x1a0
[  430.322178]  ? __x64_sys_bpf+0x3d8/0x510
[  430.326240]  ? bpf_prog_get+0x20/0x20
[  430.330064]  ? do_syscall_64+0x1b9/0x820
[  430.334123]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  430.339487]  ? syscall_return_slowpath+0x5e0/0x5e0
[  430.344423]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.349450]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  430.354512]  ? recalc_sigpending_tsk+0x180/0x180
[  430.359270]  ? kasan_check_write+0x14/0x20
[  430.363508]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.368365]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  430.373768] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  430.373853] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  430.381046] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  430.381051] Call Trace:
[  430.381057]  <IRQ>
[  430.381074]  dump_stack+0x1c4/0x2b4
[  430.381096]  ? dump_stack_print_info.cold.2+0x52/0x52
[  430.387635] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  430.397129]  warn_alloc.cold.119+0xb7/0x1bd
[  430.399690] syz-executor4 cpuset=
[  430.401841]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  430.405444] syz4
[  430.410646]  ? lock_downgrade+0x900/0x900
[  430.421115]  mems_allowed=0
[  430.425433]  ? trace_hardirqs_off+0xb8/0x310
[  430.447105]  ? trace_hardirqs_off+0xb8/0x310
[  430.451527]  __alloc_pages_slowpath+0x2667/0x2d80
[  430.456440]  ? warn_alloc+0x120/0x120
[  430.460245]  ? trace_hardirqs_on+0x310/0x310
[  430.464655]  ? warn_alloc+0x120/0x120
[  430.468458]  ? print_usage_bug+0xc0/0xc0
[  430.472521]  ? warn_alloc+0x120/0x120
[  430.476331]  ? ktime_get+0x2e1/0x440
[  430.480059]  ? print_usage_bug+0xc0/0xc0
[  430.484125]  ? __lock_acquire+0x7ec/0x4ec0
[  430.488358]  ? __lock_acquire+0x7ec/0x4ec0
[  430.492609]  ? kasan_check_read+0x11/0x20
[  430.496764]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  430.502301]  ? should_fail+0x22d/0xd01
[  430.506199]  ? rcu_bh_qs+0xc0/0xc0
[  430.509741]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.514874]  ? __lock_acquire+0x7ec/0x4ec0
[  430.519133]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  430.524233]  ? __lock_acquire+0x7ec/0x4ec0
[  430.528465]  ? should_fail+0x22d/0xd01
[  430.532398]  ? rcu_idle_enter+0x4b0/0x4b0
[  430.536594]  ? mark_held_locks+0x130/0x130
[  430.540836]  ? mark_held_locks+0x130/0x130
[  430.545075]  ? mark_held_locks+0xc7/0x130
[  430.549220]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  430.554240]  ? graph_lock+0x170/0x170
[  430.558045]  ? print_usage_bug+0xc0/0xc0
[  430.562110]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.567651]  ? check_preemption_disabled+0x48/0x200
[  430.572666]  ? check_preemption_disabled+0x48/0x200
[  430.577705]  ? __lock_is_held+0xb5/0x140
[  430.581786]  __alloc_pages_nodemask+0xa80/0xde0
[  430.586458]  ? graph_lock+0x170/0x170
[  430.590260]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  430.595275]  ? graph_lock+0x170/0x170
[  430.599087]  ? find_held_lock+0x36/0x1c0
[  430.603158]  ? ____cache_alloc_node+0x1c7/0x1e0
[  430.607843]  ? lock_downgrade+0x900/0x900
[  430.612000]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.617547]  cache_grow_begin+0x91/0x8c0
[  430.621611]  ? do_raw_spin_unlock+0xa7/0x2f0
[  430.626031]  fallback_alloc+0x203/0x2e0
[  430.630015]  ____cache_alloc_node+0x1c7/0x1e0
[  430.634518]  kmem_cache_alloc_node+0xe3/0x730
[  430.639015]  ? ipv6_get_ifaddr+0x42e/0x620
[  430.643260]  __alloc_skb+0x119/0x770
[  430.646987]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  430.652269]  ? skb_scrub_packet+0x490/0x490
[  430.656597]  ? lock_downgrade+0x900/0x900
[  430.660752]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.666304]  ? refcount_sub_and_test_checked+0x203/0x310
[  430.671760]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  430.677210]  ? addrconf_rs_timer+0x690/0x690
[  430.681634]  ndisc_alloc_skb+0x144/0x340
[  430.685699]  ndisc_send_rs+0x331/0x6e0
[  430.689597]  addrconf_rs_timer+0x314/0x690
[  430.693842]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.698113]  call_timer_fn+0x272/0x920
[  430.701999]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.706239]  ? process_timeout+0x40/0x40
[  430.710298]  ? find_held_lock+0x36/0x1c0
[  430.714369]  ? mark_held_locks+0xc7/0x130
[  430.718532]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.723034]  ? _raw_spin_unlock_irq+0x27/0x80
[  430.727551]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.731794]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  430.736409]  ? trace_hardirqs_on+0xbd/0x310
[  430.740740]  ? kasan_check_read+0x11/0x20
[  430.744907]  ? __run_timers+0x7da/0xc70
[  430.748885]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  430.754445]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.758687]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  430.762927]  __run_timers+0x7e5/0xc70
[  430.766740]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  430.772121]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  430.777147]  ? graph_lock+0x170/0x170
[  430.780957]  ? print_usage_bug+0xc0/0xc0
[  430.785016]  ? lock_release+0x970/0x970
[  430.789002]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  430.794199]  ? find_held_lock+0x36/0x1c0
[  430.798265]  ? graph_lock+0x170/0x170
[  430.802083]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.807622]  ? check_preemption_disabled+0x48/0x200
[  430.812661]  ? __lock_is_held+0xb5/0x140
[  430.816751]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.822290]  ? check_preemption_disabled+0x48/0x200
[  430.827316]  run_timer_softirq+0x52/0xb0
[  430.831394]  ? rcu_read_lock_sched_held+0x108/0x120
[  430.836413]  __do_softirq+0x30b/0xad8
[  430.840244]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  430.845351]  ? pvclock_read_flags+0x160/0x160
[  430.849852]  ? lapic_next_event+0x5a/0x90
[  430.853998]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.859539]  ? check_preemption_disabled+0x48/0x200
[  430.864559]  ? check_preemption_disabled+0x48/0x200
[  430.869600]  ? kvm_clock_read+0x18/0x30
[  430.873573]  ? kvm_sched_clock_read+0x9/0x20
[  430.877981]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.883519]  ? check_preemption_disabled+0x48/0x200
[  430.888564]  irq_exit+0x17f/0x1c0
[  430.892016]  smp_apic_timer_interrupt+0x1cb/0x760
[  430.896878]  ? smp_call_function_single_interrupt+0x650/0x650
[  430.902767]  ? interrupt_entry+0xb5/0xf0
[  430.906829]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.911845]  ? trace_hardirqs_off_caller+0xbb/0x310
[  430.916867]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.921720]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.926737]  ? trace_hardirqs_on_caller+0x310/0x310
[  430.931754]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.937305]  ? check_preemption_disabled+0x48/0x200
[  430.942319]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  430.947876]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  430.952743]  apic_timer_interrupt+0xf/0x20
[  430.956982]  </IRQ>
[  430.959222] RIP: 0010:lock_acquire+0x268/0x520
[  430.963819] Code: 00 00 48 89 fa 48 c1 ea 03 80 3c 02 00 0f 85 44 02 00 00 48 83 3d ff f4 d0 07 00 0f 84 c3 01 00 00 48 8b bd 20 ff ff ff 57 9d <0f> 1f 44 00 00 48 b8 00 00 00 00 00 fc ff df 48 01 c3 48 c7 03 00
[  430.982717] RSP: 0000:ffff8801c598e700 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  430.990429] RAX: dffffc0000000000 RBX: 1ffff10038b31ce5 RCX: 0000000000000000
[  430.997707] RDX: 1ffffffff1263e51 RSI: 0000000000000000 RDI: 0000000000000286
[  431.004977] RBP: ffff8801c598e7f0 R08: ffff8801cd4aeac8 R09: 0000000000000001
[  431.012248] R10: ffff8801cd4aeaa8 R11: 1a086236527874b9 R12: ffff8801cd4ae200
[  431.019512] R13: 0000000000000002 R14: 0000000000000000 R15: 0000000000000000
[  431.026807]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.032348]  ? lock_release+0x970/0x970
[  431.036331]  ? activate_page+0x1040/0x1040
[  431.040570]  ? __unlock_page_memcg+0x53/0x100
[  431.045072]  ? check_preemption_disabled+0x48/0x200
[  431.050098]  lock_page_memcg+0x95/0x350
[  431.054070]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  431.059260]  ? rcu_bh_qs+0xc0/0xc0
[  431.062802]  ? mem_cgroup_hierarchy_write+0x230/0x230
[  431.068002]  page_remove_rmap+0x855/0x1a30
[  431.072246]  ? page_add_file_rmap+0x1470/0x1470
[  431.076921]  ? __lock_is_held+0xb5/0x140
[  431.081002]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.086546]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  431.092127]  ? lru_add_drain_cpu+0x1c0/0x500
[  431.096552]  ? free_pages_and_swap_cache+0x475/0x6f0
[  431.101672]  ? free_page_and_swap_cache+0x950/0x950
[  431.106697]  ? kasan_check_read+0x11/0x20
[  431.110859]  ? page_mapcount+0x3b5/0x5d0
[  431.114925]  ? arch_leave_lazy_mmu_mode+0x50/0x50
[  431.119783]  ? lock_downgrade+0x900/0x900
[  431.123943]  ? lock_release+0x970/0x970
[  431.127940]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  431.132968]  ? _vm_normal_page+0x161/0x3c0
[  431.137236]  ? __pte_alloc_kernel+0x220/0x220
[  431.141738]  ? kasan_check_write+0x14/0x20
[  431.145972]  ? __sanitizer_cov_trace_cmp4+0x16/0x20
[  431.150989]  ? __tlb_remove_page_size+0x187/0x500
[  431.155835]  unmap_page_range+0xf14/0x2030
[  431.160110]  ? vm_normal_page_pmd+0x2f0/0x2f0
[  431.164611]  ? search_extable+0x80/0xb0
[  431.168592]  ? trim_init_extable+0x3a0/0x3a0
[  431.173014]  ? __get_user_8+0x21/0x2b
[  431.176843]  ? print_usage_bug+0xc0/0xc0
[  431.180913]  ? __lock_acquire+0x7ec/0x4ec0
[  431.185149]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  431.190686]  ? no_context+0xd9/0x980
[  431.194398]  ? lock_downgrade+0x900/0x900
[  431.198549]  ? graph_lock+0x170/0x170
[  431.202359]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.207905]  ? tlb_flush_mmu_free+0x135/0x1b0
[  431.212420]  ? find_held_lock+0x36/0x1c0
[  431.216489]  ? exit_mmap+0x4bb/0x590
[  431.220201]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.225742]  ? uprobe_munmap+0x14c/0x450
[  431.229820]  ? uprobe_mmap+0xd50/0xd50
[  431.233706]  ? lock_release+0x970/0x970
[  431.237678]  ? arch_local_save_flags+0x40/0x40
[  431.242270]  ? rwsem_down_write_failed+0xe/0x10
[  431.246938]  ? rwsem_down_write_failed+0xe/0x10
[  431.251604]  ? call_rwsem_down_write_failed+0x17/0x30
[  431.256797]  unmap_single_vma+0x19b/0x310
[  431.260965]  unmap_vmas+0x125/0x200
[  431.264601]  exit_mmap+0x2be/0x590
[  431.268143]  ? __ia32_sys_munmap+0x80/0x80
[  431.272398]  ? __might_sleep+0x95/0x190
[  431.276378]  mmput+0x247/0x610
[  431.279574]  ? lock_downgrade+0x900/0x900
[  431.283721]  ? set_mm_exe_file+0x200/0x200
[  431.287959]  ? kasan_check_read+0x11/0x20
[  431.292109]  ? do_raw_spin_unlock+0xa7/0x2f0
[  431.296518]  ? do_raw_spin_trylock+0x1c0/0x1c0
[  431.301123]  ? kasan_check_write+0x14/0x20
[  431.305354]  ? do_raw_spin_lock+0xc1/0x200
[  431.309600]  do_exit+0xe6f/0x2610
[  431.313068]  ? mem_cgroup_commit_charge+0x275/0x9d0
[  431.318096]  ? mm_update_next_owner+0x990/0x990
[  431.322763]  ? print_usage_bug+0xc0/0xc0
[  431.326834]  ? graph_lock+0x170/0x170
[  431.330641]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.336180]  ? check_preemption_disabled+0x48/0x200
[  431.341193]  ? check_preemption_disabled+0x48/0x200
[  431.346212]  ? print_usage_bug+0xc0/0xc0
[  431.350288]  ? __lock_acquire+0x7ec/0x4ec0
[  431.354531]  ? __lock_acquire+0x7ec/0x4ec0
[  431.358808]  ? mark_held_locks+0x130/0x130
[  431.363050]  ? mark_held_locks+0x130/0x130
[  431.367287]  ? kasan_check_write+0x14/0x20
[  431.371521]  ? finish_task_switch+0x2f5/0x900
[  431.376015]  ? __switch_to_asm+0x40/0x70
[  431.380081]  ? __switch_to_asm+0x34/0x70
[  431.384156]  ? __switch_to_asm+0x34/0x70
[  431.388218]  ? __switch_to_asm+0x40/0x70
[  431.392312]  ? __switch_to_asm+0x34/0x70
[  431.396370]  ? __switch_to_asm+0x40/0x70
[  431.400434]  ? __switch_to_asm+0x34/0x70
[  431.404498]  ? __switch_to_asm+0x34/0x70
[  431.408561]  ? __switch_to_asm+0x34/0x70
[  431.412635]  ? __switch_to_asm+0x34/0x70
[  431.416708]  ? __switch_to_asm+0x40/0x70
[  431.420767]  ? __switch_to_asm+0x34/0x70
[  431.424841]  ? __switch_to_asm+0x40/0x70
[  431.428920]  ? graph_lock+0x170/0x170
[  431.432730]  ? graph_lock+0x170/0x170
[  431.436540]  ? graph_lock+0x170/0x170
[  431.440339]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.445879]  ? wait_consider_task+0x245/0x3bb0
[  431.450468]  ? memset+0x31/0x40
[  431.453752]  ? find_held_lock+0x36/0x1c0
[  431.457823]  ? get_signal+0x95b/0x1980
[  431.461712]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.466232]  ? _raw_spin_unlock_irq+0x27/0x80
[  431.470735]  do_group_exit+0x177/0x440
[  431.474629]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  431.480084]  ? __ia32_sys_exit+0x50/0x50
[  431.484182]  get_signal+0x8b0/0x1980
[  431.487928]  ? ptrace_notify+0x130/0x130
[  431.491990]  ? do_wait+0x57d/0xb90
[  431.495538]  ? wait_consider_task+0x3bb0/0x3bb0
[  431.500208]  ? graph_lock+0x170/0x170
[  431.504020]  ? graph_lock+0x170/0x170
[  431.507825]  ? graph_lock+0x170/0x170
[  431.511640]  do_signal+0x9c/0x21e0
[  431.515185]  ? find_held_lock+0x36/0x1c0
[  431.519257]  ? setup_sigcontext+0x7d0/0x7d0
[  431.523593]  ? kernel_wait4+0x2e0/0x3f0
[  431.527587]  ? __ia32_sys_waitid+0x140/0x140
[  431.532004]  ? task_stopped_code+0x190/0x190
[  431.536419]  ? exit_to_usermode_loop+0x8c/0x380
[  431.541108]  ? __do_page_fault+0x4a6/0xed0
[  431.545342]  ? do_syscall_64+0x9a/0x820
[  431.549320]  ? do_syscall_64+0x9a/0x820
[  431.553313]  exit_to_usermode_loop+0x2e5/0x380
[  431.557897]  ? syscall_slow_exit_work+0x520/0x520
[  431.562764]  do_syscall_64+0x6be/0x820
[  431.566648]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  431.572010]  ? syscall_return_slowpath+0x5e0/0x5e0
[  431.576937]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.581784]  ? trace_hardirqs_on_caller+0x310/0x310
[  431.586803]  ? prepare_exit_to_usermode+0x291/0x3b0
[  431.591823]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  431.596674]  entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  431.601859] RIP: 0033:0x41124a
[  431.605050] Code: Bad RIP value.
[  431.608435] RSP: 002b:00007ffc5894ce48 EFLAGS: 00000246 ORIG_RAX: 000000000000003d
[  431.616156] RAX: fffffffffffffe00 RBX: 0000000000001507 RCX: 000000000041124a
[  431.623434] RDX: 0000000040000000 RSI: 00007ffc5894ce54 RDI: ffffffffffffffff
[  431.630697] RBP: 000000000072c988 R08: 0000000000001504 R09: 0000000002594940
[  431.637971] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000010
[  431.645234] R13: 0000000000412e50 R14: 0000000000000000 R15: 0000000000000000
[  431.652526] CPU: 0 PID: 8883 Comm: syz-executor4 Not tainted 4.19.0-rc7+ #126
[  431.652532] warn_alloc_show_mem: 1 callbacks suppressed
[  431.652539] Mem-Info:
[  431.659816] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  431.665207] active_anon:47381 inactive_anon:1264 isolated_anon:0
[  431.665207]  active_file:8 inactive_file:19 isolated_file:0
[  431.665207]  unevictable:0 dirty:0 writeback:0 unstable:0
[  431.665207]  slab_reclaimable:8896 slab_unreclaimable:1474771
[  431.665207]  mapped:40962 shmem:1272 pagetables:582 bounce:0
[  431.665207]  free:13709 free_pcp:257 free_cma:0
[  431.667594] Call Trace:
[  431.676993] Node 0 active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:163848kB dirty:0kB writeback:0kB shmem:5088kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 174080kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes
[  431.709922]  <IRQ>
[  431.712511] Node 0 
[  431.740178]  dump_stack+0x1c4/0x2b4
[  431.742328] 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
[  431.744535]  ? dump_stack_print_info.cold.2+0x52/0x52
[  431.748139] lowmem_reserve[]:
[  431.773672]  warn_alloc.cold.119+0xb7/0x1bd
[  431.778828]  0
[  431.781964]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  431.786276]  2819
[  431.788071]  ? lock_downgrade+0x900/0x900
[  431.792885]  6323
[  431.794943]  ? trace_hardirqs_off+0xb8/0x310
[  431.799061]  6323
[  431.801123]  ? trace_hardirqs_off+0xb8/0x310
[  431.807576]  __alloc_pages_slowpath+0x2667/0x2d80
[  431.811960] Node 0 DMA32 free:25056kB min:30060kB low:37572kB high:45084kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2890740kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB
[  431.816826]  ? warn_alloc+0x120/0x120
[  431.816843]  ? lock_release+0x970/0x970
[  431.844148] lowmem_reserve[]:
[  431.847950]  ? warn_alloc+0x120/0x120
[  431.851898]  0
[  431.855004]  ? print_usage_bug+0xc0/0xc0
[  431.858783]  0
[  431.860583]  ? warn_alloc+0x120/0x120
[  431.864623]  3503
[  431.866427]  ? print_usage_bug+0xc0/0xc0
[  431.870220]  3503
[  431.872304]  ? __lock_acquire+0x7ec/0x4ec0
[  431.878411]  ? __lock_acquire+0x7ec/0x4ec0
[  431.882621] Node 0 
[  431.886852]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  431.886882] Normal free:13872kB min:37352kB low:46688kB high:56024kB active_anon:189524kB inactive_anon:5056kB active_file:32kB inactive_file:76kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5184kB pagetables:2328kB bounce:0kB free_pcp:780kB local_pcp:200kB free_cma:0kB
[  431.886890] lowmem_reserve[]:
[  431.889127]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  431.894640]  0
[  431.923003]  ? should_fail+0x22d/0xd01
[  431.926093]  0
[  431.931625]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.933412]  0
[  431.937298]  ? __lock_acquire+0x7ec/0x4ec0
[  431.939077]  0
[  431.944176]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  431.950181]  ? __lock_acquire+0x7ec/0x4ec0
[  431.951959] Node 0 
[  431.957061]  ? should_fail+0x22d/0xd01
[  431.961271] DMA: 
[  431.963516]  ? mark_held_locks+0x130/0x130
[  431.967386] 1*4kB 
[  431.969454]  ? mark_held_locks+0x130/0x130
[  431.973679] (U) 
[  431.975825]  ? graph_lock+0x170/0x170
[  431.980039] 0*8kB 
[  431.982007]  ? print_usage_bug+0xc0/0xc0
[  431.985782] 0*16kB 
[  431.987922]  ? graph_lock+0x170/0x170
[  431.991961] 1*32kB 
[  431.994193]  ? print_usage_bug+0xc0/0xc0
[  431.997980] (U) 
[  432.000212]  ? wq_watchdog_touch+0x9c/0xfe
[  432.004261] 2*64kB 
[  432.006231]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.010441] (U) 
[  432.012675]  ? check_preemption_disabled+0x48/0x200
[  432.018183] 1*128kB 
[  432.020154]  ? check_preemption_disabled+0x48/0x200
[  432.025141] (U) 
[  432.027466]  ? __lock_is_held+0xb5/0x140
[  432.032451] 1*256kB (U) 
[  432.034440]  __alloc_pages_nodemask+0xa80/0xde0
[  432.038477] 0*512kB 
[  432.041140]  ? graph_lock+0x170/0x170
[  432.045793] 1*1024kB 
[  432.048115]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  432.051893] (U) 
[  432.054309]  ? graph_lock+0x170/0x170
[  432.059304] 1*2048kB 
[  432.061294]  ? find_held_lock+0x36/0x1c0
[  432.065062] (M) 
[  432.067479]  ? ____cache_alloc_node+0x1c7/0x1e0
[  432.071512] 3*4096kB 
[  432.073481]  ? lock_downgrade+0x900/0x900
[  432.078258] (M) = 15908kB
[  432.080696]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.084818] Node 0 
[  432.087586]  cache_grow_begin+0x91/0x8c0
[  432.093095] DMA32: 
[  432.095327]  ? do_raw_spin_unlock+0xa7/0x2f0
[  432.099363] 4*4kB 
[  432.101622]  fallback_alloc+0x203/0x2e0
[  432.106003] (UM) 
[  432.108153]  ____cache_alloc_node+0x1c7/0x1e0
[  432.112102] 2*8kB 
[  432.114163]  kmem_cache_alloc_node+0xe3/0x730
[  432.118632] (UM) 
[  432.120783]  ? ipv6_get_ifaddr+0x42e/0x620
[  432.125258] 2*16kB 
[  432.127322]  __alloc_skb+0x119/0x770
[  432.131531] (M) 
[  432.133766]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  432.137449] 3*32kB 
[  432.139438]  ? skb_scrub_packet+0x490/0x490
[  432.144695] (UM) 
[  432.146941]  ? lock_downgrade+0x900/0x900
[  432.151275] 5*64kB 
[  432.153338]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.157452] (UM) 4*128kB 
[  432.159705]  ? refcount_sub_and_test_checked+0x203/0x310
[  432.165217] (UM) 
[  432.167983]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  432.173403] 4*256kB (UM) 
[  432.175477]  ? addrconf_rs_timer+0x690/0x690
[  432.180908] 3*512kB 
[  432.183674]  ndisc_alloc_skb+0x144/0x340
[  432.188083] (M) 
[  432.190420]  ndisc_send_rs+0x331/0x6e0
[  432.194467] 3*1024kB 
[  432.196438]  addrconf_rs_timer+0x314/0x690
[  432.200298] (UM) 
[  432.202703]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.206918] 3*2048kB 
[  432.208990]  call_timer_fn+0x272/0x920
[  432.213193] (M) 
[  432.215605]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.219474] 3*4096kB 
[  432.221448]  ? process_timeout+0x40/0x40
[  432.225653] (M) = 25056kB
[  432.228075]  ? find_held_lock+0x36/0x1c0
[  432.232114] Node 0 
[  432.234875]  ? __run_timers+0x7da/0xc70
[  432.238915] Normal: 
[  432.241158]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.245103] 798*4kB 
[  432.247443]  ? _raw_spin_unlock_irq+0x27/0x80
[  432.251938] (ME) 
[  432.254270]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.258742] 471*8kB 
[  432.260828]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  432.265035] (UME) 
[  432.267357]  ? trace_hardirqs_on+0xbd/0x310
[  432.271912] 208*16kB (UME) 
[  432.274069]  ? kasan_check_read+0x11/0x20
[  432.278365] 76*32kB 
[  432.281294]  ? __run_timers+0x7da/0xc70
[  432.285420] (UME) 
[  432.287745]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  432.291702] 4*64kB 
[  432.293851]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.299280] (M) 
[  432.301520]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  432.305733] 1*128kB 
[  432.307704]  __run_timers+0x7e5/0xc70
[  432.311910] (U) 1*256kB 
[  432.314255]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  432.318021] (U) 
[  432.320690]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  432.326028] 1*512kB 
[  432.328000]  ? graph_lock+0x170/0x170
[  432.332989] (U) 
[  432.335309]  ? enqueue_hrtimer+0x1a5/0x560
[  432.339090] 0*1024kB 
[  432.341062]  ? lock_release+0x970/0x970
[  432.345276] 0*2048kB 
[  432.347681]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  432.351655] 0*4096kB = 13872kB
[  432.354088]  ? find_held_lock+0x36/0x1c0
[  432.359273] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB
[  432.362459]  ? graph_lock+0x170/0x170
[  432.366504] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB
[  432.375330]  ? pvclock_read_flags+0x160/0x160
[  432.379112] 1299 total pagecache pages
[  432.387688]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.392163] 0 pages in swap cache
[  432.396043]  ? check_preemption_disabled+0x48/0x200
[  432.401558] Swap cache stats: add 0, delete 0, find 0/0
[  432.405007]  ? __lock_is_held+0xb5/0x140
[  432.409997] Free swap  = 0kB
[  432.415352]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.419429] Total swap = 0kB
[  432.422451]  ? check_preemption_disabled+0x48/0x200
[  432.427990] 1965979 pages RAM
[  432.431004]  run_timer_softirq+0x52/0xb0
[  432.436004] 0 pages HighMem/MovableOnly
[  432.439109]  ? rcu_read_lock_sched_held+0x108/0x120
[  432.443144] 342306 pages reserved
[  432.447114]  __do_softirq+0x30b/0xad8
[  432.452098] 0 pages cma reserved
[  432.452185] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  432.455572]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  432.459453] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.462707]  ? pvclock_read_flags+0x160/0x160
[  432.469175] syz-executor1 cpuset=
[  432.474272]  ? lapic_next_event+0x5a/0x90
[  432.484752] /
[  432.489252]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.492680]  mems_allowed=0
[  432.506977]  ? check_preemption_disabled+0x48/0x200
[  432.511996]  ? check_preemption_disabled+0x48/0x200
[  432.517036]  ? kvm_clock_read+0x18/0x30
[  432.521024]  ? kvm_sched_clock_read+0x9/0x20
[  432.525433]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.530984]  ? check_preemption_disabled+0x48/0x200
[  432.536017]  irq_exit+0x17f/0x1c0
[  432.539477]  smp_apic_timer_interrupt+0x1cb/0x760
[  432.544319]  ? smp_reschedule_interrupt+0x109/0x650
[  432.549339]  ? smp_call_function_single_interrupt+0x650/0x650
[  432.555223]  ? interrupt_entry+0xb5/0xf0
[  432.559286]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.564297]  ? trace_hardirqs_off_caller+0xbb/0x310
[  432.569315]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.574154]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.579165]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.584182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.589732]  ? check_preemption_disabled+0x48/0x200
[  432.594746]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.600308]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.605174]  apic_timer_interrupt+0xf/0x20
[  432.609411]  </IRQ>
[  432.611654] RIP: 0010:kmem_cache_alloc+0x297/0x730
[  432.616595] Code: 7e 0f 85 cf fe ff ff e8 a6 cc 3f ff e9 c5 fe ff ff e8 cd 33 c4 ff 48 83 3d 5d 41 71 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 38
[  432.635510] RSP: 0000:ffff880160c27748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13
[  432.643223] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000
[  432.650489] RDX: 0000000000000000 RSI: ffff8801948de880 RDI: 0000000000000286
[  432.657781] RBP: ffff880160c277b0 R08: ffff8801948de000 R09: 0000000000000000
[  432.665061] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000
[  432.672329] R13: ffff8801d9a04040 R14: ffff8801d9a04040 R15: 0000000000480020
[  432.679638]  skb_clone+0x1bb/0x500
[  432.683180]  ? finish_task_switch+0x1b5/0x900
[  432.687677]  ? skb_split+0x11e0/0x11e0
[  432.691582]  ? preempt_notifier_register+0x200/0x200
[  432.696700]  ? __switch_to_asm+0x34/0x70
[  432.700776]  ? __switch_to_asm+0x34/0x70
[  432.704851]  ? __switch_to_asm+0x40/0x70
[  432.708910]  ? __switch_to_asm+0x34/0x70
[  432.712975]  ? __switch_to_asm+0x40/0x70
[  432.717034]  ? __switch_to_asm+0x34/0x70
[  432.721092]  ? __switch_to_asm+0x40/0x70
[  432.725153]  ? __switch_to_asm+0x34/0x70
[  432.729212]  ? __switch_to_asm+0x34/0x70
[  432.733269]  ? __switch_to_asm+0x40/0x70
[  432.737344]  ? __switch_to_asm+0x34/0x70
[  432.741432]  bpf_clone_redirect+0xb9/0x490
[  432.745666]  ? __schedule+0x874/0x1ed0
[  432.749559]  bpf_prog_bebbfe2050753572+0xa64/0x1000
[  432.754576]  ? __sched_text_start+0x8/0x8
[  432.758725]  ? lockdep_hardirqs_on+0x421/0x5c0
[  432.763306]  ? retint_kernel+0x2d/0x2d
[  432.767195]  ? trace_hardirqs_on_caller+0xc0/0x310
[  432.772144]  ? find_held_lock+0x36/0x1c0
[  432.776215]  ? lock_acquire+0x1ed/0x520
[  432.780190]  ? bpf_test_run+0x3cb/0x780
[  432.784182]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  432.789731]  ? check_preemption_disabled+0x48/0x200
[  432.794780]  ? kasan_check_read+0x11/0x20
[  432.798929]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  432.804221]  ? rcu_bh_qs+0xc0/0xc0
[  432.807767]  ? preempt_schedule+0x4d/0x60
[  432.811918]  ? ___preempt_schedule+0x16/0x18
[  432.816345]  ? bpf_test_run+0x25d/0x780
[  432.820396]  ? netlink_diag_dump+0x2a0/0x2a0
[  432.824854]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  432.830395]  ? bpf_test_init.isra.9+0x70/0x100
[  432.834994]  ? bpf_prog_test_run_skb+0x634/0xb40
[  432.839763]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  432.844607]  ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20
[  432.850162]  ? fput+0x130/0x1a0
[  432.853445]  ? __bpf_prog_get+0x9b/0x290
[  432.857514]  ? bpf_test_finish.isra.8+0x1f0/0x1f0
[  432.862353]  ? bpf_prog_test_run+0x130/0x1a0
[  432.866765]  ? __x64_sys_bpf+0x3d8/0x510
[  432.870838]  ? bpf_prog_get+0x20/0x20
[  432.874661]  ? do_syscall_64+0x1b9/0x820
[  432.878723]  ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe
[  432.884086]  ? syscall_return_slowpath+0x5e0/0x5e0
[  432.889019]  ? trace_hardirqs_on_caller+0x310/0x310
[  432.894033]  ? prepare_exit_to_usermode+0x3b0/0x3b0
[  432.899047]  ? recalc_sigpending_tsk+0x180/0x180
[  432.903809]  ? kasan_check_write+0x14/0x20
[  432.908048]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  432.912899]  ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[  432.918295] CPU: 1 PID: 5380 Comm: syz-executor1 Not tainted 4.19.0-rc7+ #126
[  432.918379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb
[  432.925577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[  432.925587] Call Trace:
[  432.932193] syz-executor4: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null)
[  432.941448]  <IRQ>
[  432.944032] syz-executor4 cpuset=
[  432.954513]  dump_stack+0x1c4/0x2b4
[  432.956641] syz4
[  432.960090]  ? dump_stack_print_info.cold.2+0x52/0x52
[  432.963696]  mems_allowed=0
[  432.965674]  warn_alloc.cold.119+0xb7/0x1bd
[  432.978084]  ? zone_watermark_ok_safe+0x3f0/0x3f0
[  432.982933]  ? lock_downgrade+0x900/0x900
[  432.987088]  ? trace_hardirqs_off+0xb8/0x310
[  432.991504]  ? trace_hardirqs_off+0xb8/0x310
[  432.995960]  __alloc_pages_slowpath+0x2667/0x2d80
[  433.000855]  ? warn_alloc+0x120/0x120
[  433.004658]  ? trace_hardirqs_on+0x310/0x310
[  433.009066]  ? warn_alloc+0x120/0x120
[  433.012865]  ? print_usage_bug+0xc0/0xc0
[  433.016927]  ? warn_alloc+0x120/0x120
[  433.020725]  ? ktime_get+0x2e1/0x440
[  433.024464]  ? print_usage_bug+0xc0/0xc0
[  433.028532]  ? __lock_acquire+0x7ec/0x4ec0
[  433.032778]  ? __lock_acquire+0x7ec/0x4ec0
[  433.037027]  ? kasan_check_read+0x11/0x20
[  433.041176]  ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[  433.046714]  ? should_fail+0x22d/0xd01
[  433.050600]  ? rcu_bh_qs+0xc0/0xc0
[  433.054141]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.059242]  ? __lock_acquire+0x7ec/0x4ec0
[  433.063481]  ? fault_create_debugfs_attr+0x1f0/0x1f0
[  433.068581]  ? __lock_acquire+0x7ec/0x4ec0
[  433.072810]  ? should_fail+0x22d/0xd01
[  433.076697]  ? rcu_idle_enter+0x4b0/0x4b0
[  433.080846]  ? mark_held_locks+0x130/0x130
[  433.085113]  ? mark_held_locks+0x130/0x130
[  433.089363]  ? mark_held_locks+0xc7/0x130
[  433.093518]  ? smp_apic_timer_interrupt+0x1cb/0x760
[  433.098551]  ? graph_lock+0x170/0x170
[  433.102351]  ? print_usage_bug+0xc0/0xc0
[  433.106419]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.111956]  ? check_preemption_disabled+0x48/0x200
[  433.116970]  ? check_preemption_disabled+0x48/0x200
[  433.121998]  ? __lock_is_held+0xb5/0x140
[  433.126064]  __alloc_pages_nodemask+0xa80/0xde0
[  433.130738]  ? graph_lock+0x170/0x170
[  433.134548]  ? __alloc_pages_slowpath+0x2d80/0x2d80
[  433.139564]  ? graph_lock+0x170/0x170
[  433.143397]  ? find_held_lock+0x36/0x1c0
[  433.147474]  ? ____cache_alloc_node+0x1c7/0x1e0
[  433.152144]  ? lock_downgrade+0x900/0x900
[  433.156300]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.161844]  cache_grow_begin+0x91/0x8c0
[  433.165913]  ? do_raw_spin_unlock+0xa7/0x2f0
[  433.170331]  fallback_alloc+0x203/0x2e0
[  433.174325]  ____cache_alloc_node+0x1c7/0x1e0
[  433.178861]  kmem_cache_alloc_node+0xe3/0x730
[  433.183358]  ? ipv6_get_ifaddr+0x42e/0x620
[  433.187612]  __alloc_skb+0x119/0x770
[  433.191328]  ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160
[  433.196618]  ? skb_scrub_packet+0x490/0x490
[  433.200963]  ? lock_downgrade+0x900/0x900
[  433.205125]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.210668]  ? refcount_sub_and_test_checked+0x203/0x310
[  433.216123]  ? refcount_inc_not_zero_checked+0x2f0/0x2f0
[  433.221574]  ? addrconf_rs_timer+0x690/0x690
[  433.225998]  ndisc_alloc_skb+0x144/0x340
[  433.230065]  ndisc_send_rs+0x331/0x6e0
[  433.233959]  addrconf_rs_timer+0x314/0x690
[  433.238198]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.242455]  call_timer_fn+0x272/0x920
[  433.246345]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.250587]  ? process_timeout+0x40/0x40
[  433.254659]  ? find_held_lock+0x36/0x1c0
[  433.258754]  ? mark_held_locks+0xc7/0x130
[  433.262926]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.267425]  ? _raw_spin_unlock_irq+0x27/0x80
[  433.271922]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.276158]  ? lockdep_hardirqs_on+0x19e/0x5c0
[  433.280743]  ? trace_hardirqs_on+0xbd/0x310
[  433.285078]  ? kasan_check_read+0x11/0x20
[  433.289227]  ? __run_timers+0x7da/0xc70
[  433.293198]  ? __bpf_trace_preemptirq_template+0x30/0x30
[  433.298648]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.302895]  ? ipv6_get_lladdr+0x5e0/0x5e0
[  433.307132]  __run_timers+0x7e5/0xc70
[  433.310948]  ? __bpf_trace_timer_expire_entry+0x30/0x30
[  433.316319]  ? __sanitizer_cov_trace_cmp8+0x18/0x20
[  433.321335]  ? graph_lock+0x170/0x170
[  433.325136]  ? print_usage_bug+0xc0/0xc0
[  433.329188]  ? lock_release+0x970/0x970
[  433.333161]  ? hrtimer_update_softirq_timer+0xa0/0xa0
[  433.338353]  ? find_held_lock+0x36/0x1c0
[  433.342419]  ? graph_lock+0x170/0x170
[  433.346220]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.351775]  ? check_preemption_disabled+0x48/0x200
[  433.356829]  ? __lock_is_held+0xb5/0x140
[  433.360889]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.366436]  ? check_preemption_disabled+0x48/0x200
[  433.371460]  run_timer_softirq+0x52/0xb0
[  433.375520]  ? rcu_read_lock_sched_held+0x108/0x120
[  433.380537]  __do_softirq+0x30b/0xad8
[  433.384348]  ? __irqentry_text_end+0x1f9618/0x1f9618
[  433.389461]  ? pvclock_read_flags+0x160/0x160
[  433.393970]  ? lapic_next_event+0x5a/0x90
[  433.398140]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.403691]  ? check_preemption_disabled+0x48/0x200
[  433.408712]  ? check_preemption_disabled+0x48/0x200
[  433.413738]  ? kvm_clock_read+0x18/0x30
[  433.417729]  ? kvm_sched_clock_read+0x9/0x20
[  433.422146]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.427686]  ? check_preemption_disabled+0x48/0x200
[  433.432730]  irq_exit+0x17f/0x1c0
[  433.436184]  smp_apic_timer_interrupt+0x1cb/0x760
[  433.441028]  ? smp_call_function_single_interrupt+0x650/0x650
[  433.446933]  ? interrupt_entry+0xb5/0xf0
[  433.451001]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.456031]  ? trace_hardirqs_off_caller+0xbb/0x310
[  433.461055]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.465906]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.470938]  ? trace_hardirqs_on_caller+0x310/0x310
[  433.475983]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.481535]  ? check_preemption_disabled+0x48/0x200
[  433.486555]  ? __sanitizer_cov_trace_const_cmp4+0x16/0x20
[  433.492103]  ? trace_hardirqs_off_thunk+0x1a/0x1c
[  433.496959]  apic_timer_interrupt+0xf/0x20
[  433.501189]  </IRQ>
[  433.503430] RIP: 0010:lock_acquire+0x268/0x520