/ [ 367.751650] ? __schedule+0x8d7/0x21d0 [ 367.751675] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 367.751696] ? __sched_text_start+0x8/0x8 [ 367.761294] mems_allowed=0 [ 367.764793] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.444167] ? find_held_lock+0x36/0x1c0 [ 377.448259] ? lock_acquire+0x1ed/0x520 [ 377.452245] ? bpf_test_run+0x3cb/0x780 [ 377.456231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.461773] ? check_preemption_disabled+0x48/0x280 [ 377.466803] ? kasan_check_read+0x11/0x20 [ 377.470983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.476266] ? rcu_softirq_qs+0x20/0x20 [ 377.480254] ? preempt_schedule+0x4d/0x60 [ 377.484413] ? ___preempt_schedule+0x16/0x18 [ 377.488843] ? bpf_test_run+0x25d/0x780 [ 377.492836] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.497253] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 377.502025] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 377.506800] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.511645] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.517186] ? fput+0x130/0x1a0 [ 377.520491] ? __bpf_prog_get+0x9b/0x290 [ 377.524561] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 377.529438] ? bpf_prog_test_run+0x130/0x1a0 [ 377.533863] ? __x64_sys_bpf+0x3d8/0x520 [ 377.537932] ? bpf_prog_get+0x20/0x20 [ 377.541767] ? do_syscall_64+0x1b9/0x820 [ 377.545834] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.551217] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.556153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.561003] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.566025] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.571046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.576588] ? prepare_exit_to_usermode+0x291/0x3b0 [ 377.581621] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.586521] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.591942] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 377.591948] warn_alloc_show_mem: 8 callbacks suppressed [ 377.591965] Mem-Info: [ 377.598645] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.604018] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 377.604018] active_file:13 inactive_file:17 isolated_file:0 [ 377.604018] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.604018] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 377.604018] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 377.604018] free:13759 free_pcp:161 free_cma:0 [ 377.606392] Call Trace: [ 377.615793] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.648769] dump_stack+0x244/0x39d [ 377.651334] Node 0 [ 377.679214] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.682852] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 377.685077] dump_header+0x27b/0xf72 [ 377.690234] lowmem_reserve[]: [ 377.715746] ? mark_held_locks+0x130/0x130 [ 377.719433] 0 [ 377.723073] ? pagefault_out_of_memory+0x197/0x197 [ 377.727291] 2819 [ 377.729095] ? __lock_acquire+0x62f/0x4c20 [ 377.734004] 6323 [ 377.736064] ? zap_class+0x640/0x640 [ 377.740282] 6323 [ 377.742347] ? percpu_ref_get_many+0x240/0x240 [ 377.748097] ? print_usage_bug+0xc0/0xc0 [ 377.752660] Node 0 [ 377.756717] ? print_usage_bug+0xc0/0xc0 [ 377.756751] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 377.756759] lowmem_reserve[]: [ 377.759011] ? zap_class+0x640/0x640 [ 377.763042] 0 0 [ 377.790347] ? print_usage_bug+0xc0/0xc0 [ 377.793434] 3503 [ 377.797146] ? print_usage_bug+0xc0/0xc0 [ 377.799101] 3503 [ 377.803209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.809303] ? find_held_lock+0x36/0x1c0 [ 377.811346] Node 0 [ 377.816896] ? mark_held_locks+0xc7/0x130 [ 377.820958] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:96kB free_cma:0kB [ 377.823201] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.827313] lowmem_reserve[]: [ 377.855507] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 377.860589] 0 [ 377.863698] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 377.868782] 0 [ 377.870586] ? trace_hardirqs_on+0xbd/0x310 [ 377.875138] 0 0 [ 377.876950] ? kasan_check_read+0x11/0x20 [ 377.883238] ? ___ratelimit+0x3b4/0x672 [ 377.887359] Node 0 DMA: [ 377.891329] ? trace_hardirqs_off_caller+0x310/0x310 [ 377.891345] ? trace_hardirqs_on+0x310/0x310 [ 377.894004] 1*4kB [ 377.899101] ? lock_downgrade+0x900/0x900 [ 377.903488] (U) [ 377.905645] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.909769] 0*8kB [ 377.911745] ? ___ratelimit+0x3b9/0x672 [ 377.916824] 0*16kB [ 377.918982] ? idr_get_free+0xec0/0xec0 [ 377.922946] 1*32kB [ 377.925220] ? find_held_lock+0x36/0x1c0 [ 377.929174] (U) [ 377.931431] oom_kill_process.cold.27+0x10/0x903 [ 377.935461] 2*64kB (U) [ 377.937457] ? zap_class+0x640/0x640 [ 377.942204] 1*128kB [ 377.944791] ? check_preemption_disabled+0x48/0x280 [ 377.948485] (U) [ 377.950823] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 377.955816] 1*256kB [ 377.957789] ? kasan_check_read+0x11/0x20 [ 377.962687] (U) 0*512kB [ 377.965039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 377.969168] 1*1024kB (U) [ 377.971858] ? oom_evaluate_task+0x540/0x540 [ 377.977115] 1*2048kB [ 377.979867] ? find_held_lock+0x36/0x1c0 [ 377.984254] (M) [ 377.986668] ? out_of_memory+0x974/0x1430 [ 377.990697] 3*4096kB (M) [ 377.992682] ? lock_downgrade+0x900/0x900 [ 377.996807] = 15908kB [ 377.999564] ? check_preemption_disabled+0x48/0x280 [ 378.003694] Node 0 [ 378.006107] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.011098] DMA32: [ 378.013338] ? kasan_check_read+0x11/0x20 [ 378.018246] 5*4kB [ 378.020498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.024626] (UM) [ 378.026777] ? rcu_softirq_qs+0x20/0x20 [ 378.032035] 1*8kB [ 378.034095] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.038073] (M) [ 378.040266] ? oom_evaluate_task+0x302/0x540 [ 378.045784] 3*16kB [ 378.047760] out_of_memory+0xa84/0x1430 [ 378.052146] (M) [ 378.054393] ? oom_killer_disable+0x3a0/0x3a0 [ 378.058332] 3*32kB (UM) [ 378.060328] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 378.064804] 2*64kB [ 378.067480] ? __mutex_add_waiter+0x2a0/0x2a0 [ 378.072380] (M) 2*128kB [ 378.074642] __alloc_pages_slowpath+0x22d4/0x2d70 [ 378.079112] (M) [ 378.081814] ? warn_alloc+0x120/0x120 [ 378.086602] 4*256kB (M) [ 378.088589] ? rcu_softirq_qs+0x20/0x20 [ 378.092371] 4*512kB [ 378.095077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.099005] (UM) [ 378.101334] ? should_fail+0x22d/0xd01 [ 378.106857] 3*1024kB [ 378.108928] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.112814] (UM) [ 378.115229] ? zap_class+0x640/0x640 [ 378.120313] 3*2048kB [ 378.122399] ? __lock_is_held+0xb5/0x140 [ 378.126069] (M) [ 378.128509] ? mark_held_locks+0x130/0x130 [ 378.132552] 3*4096kB [ 378.134531] ? lock_release+0xa00/0xa00 [ 378.138745] (M) [ 378.141158] ? perf_trace_sched_process_exec+0x860/0x860 [ 378.145116] = 25132kB [ 378.145126] Node 0 [ 378.147126] ? __might_sleep+0x95/0x190 [ 378.152541] Normal: 951*4kB [ 378.154968] __alloc_pages_nodemask+0xa80/0xde0 [ 378.157179] (UMEH) [ 378.161198] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 378.164185] 234*8kB [ 378.168886] ? __page_cache_alloc+0x191/0x5c0 [ 378.171099] (UME) [ 378.176125] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.178417] 222*16kB [ 378.182910] ? kasan_check_read+0x11/0x20 [ 378.185039] (UMEH) [ 378.189985] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.192428] 132*32kB [ 378.196573] ? zap_class+0x640/0x640 [ 378.198791] (UM) [ 378.204086] ? zap_class+0x640/0x640 [ 378.206481] 1*64kB [ 378.210203] ? zap_class+0x640/0x640 [ 378.212268] (H) [ 378.215989] ? __do_page_cache_readahead+0x7ce/0x980 [ 378.218243] 0*128kB [ 378.221965] ? find_held_lock+0x36/0x1c0 [ 378.223913] 0*256kB [ 378.229017] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 378.231323] 1*512kB [ 378.235385] alloc_pages_current+0x173/0x350 [ 378.237687] (H) [ 378.243238] __page_cache_alloc+0x38c/0x5c0 [ 378.245533] 0*1024kB 0*2048kB [ 378.249973] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.251924] 0*4096kB [ 378.256243] ? kasan_check_read+0x11/0x20 [ 378.259408] = 14028kB [ 378.259425] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.264361] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.266754] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.270892] ? generic_perform_write+0x6a0/0x6a0 [ 378.273294] 4244 total pagecache pages [ 378.282146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.287408] 0 pages in swap cache [ 378.296016] ? check_preemption_disabled+0x48/0x280 [ 378.300751] Swap cache stats: add 0, delete 0, find 0/0 [ 378.304637] filemap_fault+0x1594/0x25f0 [ 378.310172] Free swap = 0kB [ 378.313639] ? __lock_page_or_retry+0xa00/0xa00 [ 378.318627] Total swap = 0kB [ 378.323993] ? mark_held_locks+0x130/0x130 [ 378.328040] 1965979 pages RAM [ 378.331068] ? rcu_softirq_qs+0x20/0x20 [ 378.335712] 0 pages HighMem/MovableOnly [ 378.335722] 342293 pages reserved [ 378.338750] ? filemap_map_pages+0xe04/0x1990 [ 378.342967] 0 pages cma reserved [ 378.346077] ? __free_object+0x173/0x340 [ 378.350321] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.354008] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 378.357445] syz-executor3 cpuset= [ 378.361941] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.365284] syz3 [ 378.369356] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 378.369386] ? debug_object_free+0x32d/0x690 [ 378.369400] ? kasan_check_read+0x11/0x20 [ 378.380060] mems_allowed=0 [ 378.384984] ? debug_object_destroy+0x2b0/0x2b0 [ 378.416293] ? lock_pi_update_atomic+0x150/0x150 [ 378.421066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.426635] ? __hrtimer_init+0xdb/0x240 [ 378.430710] ? lock_acquire+0x1ed/0x520 [ 378.434693] ? ext4_filemap_fault+0x7a/0xad [ 378.439034] ? lock_release+0xa00/0xa00 [ 378.443011] ? perf_trace_sched_process_exec+0x860/0x860 [ 378.448466] ? print_usage_bug+0xc0/0xc0 [ 378.452534] ? print_usage_bug+0xc0/0xc0 [ 378.456620] ? down_read+0x8d/0x120 [ 378.460247] ? ext4_filemap_fault+0x7a/0xad [ 378.464595] ? __down_interruptible+0x700/0x700 [ 378.469385] ext4_filemap_fault+0x82/0xad [ 378.473540] __do_fault+0x100/0x6b0 [ 378.477173] ? pmd_devmap_trans_unstable+0x220/0x220 [ 378.482314] ? mark_held_locks+0x130/0x130 [ 378.486559] ? mark_held_locks+0x130/0x130 [ 378.490802] ? debug_smp_processor_id+0x1c/0x20 [ 378.495470] ? perf_trace_lock+0x14d/0x7a0 [ 378.499716] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.505263] __handle_mm_fault+0x307c/0x5920 [ 378.509686] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 378.514531] ? lock_is_held_type+0x210/0x210 [ 378.518999] ? zap_class+0x640/0x640 [ 378.522752] ? zap_class+0x640/0x640 [ 378.526516] ? __x64_sys_futex+0x53e/0x6a0 [ 378.530770] ? find_held_lock+0x36/0x1c0 [ 378.534848] ? handle_mm_fault+0x42a/0xc70 [ 378.539090] ? lock_downgrade+0x900/0x900 [ 378.543241] ? check_preemption_disabled+0x48/0x280 [ 378.548270] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 378.553210] ? kasan_check_read+0x11/0x20 [ 378.557364] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.562645] ? rcu_softirq_qs+0x20/0x20 [ 378.566623] ? trace_hardirqs_off_caller+0x310/0x310 [ 378.571728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.577271] ? check_preemption_disabled+0x48/0x280 [ 378.582296] handle_mm_fault+0x54f/0xc70 [ 378.586371] ? __handle_mm_fault+0x5920/0x5920 [ 378.590969] ? find_vma+0x34/0x190 [ 378.594522] __do_page_fault+0x5e8/0xe60 [ 378.598584] ? trace_hardirqs_off+0xb8/0x310 [ 378.602993] ? trace_hardirqs_off+0xb8/0x310 [ 378.607419] do_page_fault+0xf2/0x7e0 [ 378.611226] ? vmalloc_sync_all+0x30/0x30 [ 378.615649] ? error_entry+0x70/0xd0 [ 378.619372] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.624392] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.629327] ? syscall_return_slowpath+0x5e0/0x5e0 [ 378.634277] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.639123] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.644161] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.649621] ? prepare_exit_to_usermode+0x291/0x3b0 [ 378.654654] ? page_fault+0x8/0x30 [ 378.658215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.663078] ? page_fault+0x8/0x30 [ 378.666638] page_fault+0x1e/0x30 [ 378.670102] RIP: 0033:0x45ddf3 [ 378.673326] Code: Bad RIP value. [ 378.676693] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 378.682069] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 378.689337] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 378.696605] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 378.703876] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 378.711143] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 378.718449] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 378.718895] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.725492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 378.735702] syz-fuzzer cpuset= [ 378.745038] Call Trace: [ 378.745053] / [ 378.748230] [ 378.748248] dump_stack+0x244/0x39d [ 378.748267] ? dump_stack_print_info.cold.1+0x20/0x20 [ 378.748297] warn_alloc.cold.117+0xb7/0x1bd [ 378.751026] mems_allowed=0 [ 378.752741] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 378.775715] ? lock_downgrade+0x900/0x900 [ 378.779874] ? trace_hardirqs_off+0xb8/0x310 [ 378.784290] ? trace_hardirqs_off+0xb8/0x310 [ 378.788721] __alloc_pages_slowpath+0x2660/0x2d70 [ 378.793596] ? warn_alloc+0x120/0x120 [ 378.797402] ? warn_alloc+0x120/0x120 [ 378.801205] ? print_usage_bug+0xc0/0xc0 [ 378.805269] ? warn_alloc+0x120/0x120 [ 378.809075] ? print_usage_bug+0xc0/0xc0 [ 378.813137] ? idle_cpu+0x1d0/0x1d0 [ 378.816766] ? kvm_sched_clock_read+0x9/0x20 [ 378.821175] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.826190] ? find_next_bit+0x104/0x130 [ 378.830257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.835800] ? should_fail+0x22d/0xd01 [ 378.839693] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.844800] ? __lock_acquire+0x62f/0x4c20 [ 378.849056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.854171] ? __lock_acquire+0x62f/0x4c20 [ 378.858410] ? should_fail+0x22d/0xd01 [ 378.862349] ? mark_held_locks+0x130/0x130 [ 378.866626] ? mark_held_locks+0x130/0x130 [ 378.870877] ? account_entity_enqueue+0x3a3/0x660 [ 378.875726] ? zap_class+0x640/0x640 [ 378.879439] ? print_usage_bug+0xc0/0xc0 [ 378.883510] ? rcu_softirq_qs+0x20/0x20 [ 378.887508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.893047] ? check_preemption_disabled+0x48/0x280 [ 378.898076] ? __lock_is_held+0xb5/0x140 [ 378.902145] __alloc_pages_nodemask+0xa80/0xde0 [ 378.906816] ? zap_class+0x640/0x640 [ 378.910538] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 378.915587] ? find_held_lock+0x36/0x1c0 [ 378.919659] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.924334] ? lock_downgrade+0x900/0x900 [ 378.928500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.934047] cache_grow_begin+0xa5/0x8c0 [ 378.938113] ? do_raw_spin_unlock+0xa7/0x330 [ 378.942541] fallback_alloc+0x204/0x2e0 [ 378.946524] ____cache_alloc_node+0x1c7/0x1e0 [ 378.951023] kmem_cache_alloc_node+0xe3/0x730 [ 378.955515] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.959784] __alloc_skb+0x119/0x770 [ 378.963503] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 378.968786] ? netdev_alloc_frag+0x1f0/0x1f0 [ 378.973208] ? lock_downgrade+0x900/0x900 [ 378.977382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.982922] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.988380] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.993833] ? addrconf_rs_timer+0x690/0x690 [ 378.998254] ndisc_alloc_skb+0x144/0x340 [ 379.002319] ndisc_send_rs+0x331/0x6e0 [ 379.006214] addrconf_rs_timer+0x314/0x690 [ 379.010488] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.014743] call_timer_fn+0x272/0x920 [ 379.018634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.022874] ? process_timeout+0x40/0x40 [ 379.026947] ? __run_timers+0x7da/0xc70 [ 379.030926] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.035420] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.039943] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.044179] ? lockdep_hardirqs_on+0x296/0x5b0 [ 379.048770] ? trace_hardirqs_on+0xbd/0x310 [ 379.053096] ? kasan_check_read+0x11/0x20 [ 379.057250] ? __run_timers+0x7da/0xc70 [ 379.061227] ? trace_hardirqs_off_caller+0x310/0x310 [ 379.066344] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.070579] __run_timers+0x7e5/0xc70 [ 379.074398] ? timer_fixup_init+0x70/0x70 [ 379.078549] ? kasan_check_read+0x11/0x20 [ 379.082700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.087979] ? rcu_softirq_qs+0x20/0x20 [ 379.091957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.097499] ? check_preemption_disabled+0x48/0x280 [ 379.102525] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 379.107298] ? retint_kernel+0x2d/0x2d [ 379.111200] ? trace_hardirqs_on_caller+0xc0/0x310 [ 379.116135] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 379.120892] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.126373] ? zap_class+0x640/0x640 [ 379.130094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.135632] ? check_preemption_disabled+0x48/0x280 [ 379.140661] ? __lock_is_held+0xb5/0x140 [ 379.144727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.150276] ? check_preemption_disabled+0x48/0x280 [ 379.155302] run_timer_softirq+0x52/0xb0 [ 379.159364] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.164385] __do_softirq+0x308/0xb7e [ 379.168189] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 379.172695] ? lock_downgrade+0x900/0x900 [ 379.176856] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 379.181980] ? pvclock_read_flags+0x160/0x160 [ 379.186518] ? lapic_next_event+0x5a/0x90 [ 379.190679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.196227] ? kvm_clock_read+0x18/0x30 [ 379.200218] ? kvm_sched_clock_read+0x9/0x20 [ 379.204662] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.210200] ? check_preemption_disabled+0x48/0x280 [ 379.215255] irq_exit+0x17f/0x1c0 [ 379.218718] smp_apic_timer_interrupt+0x1cb/0x760 [ 379.223565] ? smp_reschedule_interrupt+0x109/0x650 [ 379.228587] ? smp_call_function_single_interrupt+0x650/0x650 [ 379.234477] ? interrupt_entry+0xb5/0xc0 [ 379.238542] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.243556] ? trace_hardirqs_off_caller+0xbb/0x310 [ 379.248757] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.253603] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.258622] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.263642] ? task_prio+0x50/0x50 [ 379.267185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.272725] ? check_preemption_disabled+0x48/0x280 [ 379.277750] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.282611] apic_timer_interrupt+0xf/0x20 [ 379.286847] [ 379.289097] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 379.294038] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 379.312954] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 379.320683] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 379.327954] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 379.335231] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 379.342500] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 379.349774] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 379.357105] skb_clone+0x1bb/0x500 [ 379.360654] ? finish_task_switch+0x2f4/0x910 [ 379.365171] ? skb_split+0x11e0/0x11e0 [ 379.369060] ? preempt_notifier_register+0x200/0x200 [ 379.374173] ? __switch_to_asm+0x34/0x70 [ 379.378244] ? __switch_to_asm+0x34/0x70 [ 379.382305] ? __switch_to_asm+0x40/0x70 [ 379.386369] ? __switch_to_asm+0x34/0x70 [ 379.390431] ? __switch_to_asm+0x40/0x70 [ 379.394499] ? __switch_to_asm+0x34/0x70 [ 379.398575] ? __switch_to_asm+0x40/0x70 [ 379.402638] ? __switch_to_asm+0x34/0x70 [ 379.406708] ? __switch_to_asm+0x34/0x70 [ 379.410769] ? __switch_to_asm+0x40/0x70 [ 379.414831] ? __switch_to_asm+0x34/0x70 [ 379.418918] bpf_clone_redirect+0xb9/0x490 [ 379.423164] ? __schedule+0x8d7/0x21d0 [ 379.427059] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 379.432084] ? __sched_text_start+0x8/0x8 [ 379.436243] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 379.440835] ? find_held_lock+0x36/0x1c0 [ 379.444913] ? lock_acquire+0x1ed/0x520 [ 379.448893] ? bpf_test_run+0x3cb/0x780 [ 379.452871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.458441] ? check_preemption_disabled+0x48/0x280 [ 379.463475] ? kasan_check_read+0x11/0x20 [ 379.467629] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 379.472907] ? rcu_softirq_qs+0x20/0x20 [ 379.476900] ? preempt_schedule+0x4d/0x60 [ 379.481051] ? ___preempt_schedule+0x16/0x18 [ 379.485488] ? bpf_test_run+0x25d/0x780 [ 379.489481] ? netlink_diag_dump+0x2a0/0x2a0 [ 379.493898] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 379.498668] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 379.503439] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.508290] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 379.513833] ? fput+0x130/0x1a0 [ 379.517125] ? __bpf_prog_get+0x9b/0x290 [ 379.521221] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 379.526080] ? bpf_prog_test_run+0x130/0x1a0 [ 379.530499] ? __x64_sys_bpf+0x3d8/0x520 [ 379.534569] ? bpf_prog_get+0x20/0x20 [ 379.538395] ? do_syscall_64+0x1b9/0x820 [ 379.542465] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.547859] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.552787] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.557647] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.562666] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.567692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.573235] ? prepare_exit_to_usermode+0x291/0x3b0 [ 379.578261] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.583134] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.588514] Mem-Info: [ 379.588528] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 379.588540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.590957] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 379.590957] active_file:13 inactive_file:17 isolated_file:0 [ 379.590957] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.590957] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 379.590957] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 379.590957] free:13759 free_pcp:161 free_cma:0 [ 379.597610] Call Trace: [ 379.607012] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.639973] [ 379.642558] Node 0 [ 379.670279] dump_stack+0x244/0x39d [ 379.672443] 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 [ 379.674662] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.678256] lowmem_reserve[]: 0 [ 379.703802] warn_alloc.cold.117+0xb7/0x1bd [ 379.708959] 2819 6323 [ 379.712249] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.716630] 6323 [ 379.719145] ? lock_downgrade+0x900/0x900 [ 379.724137] Node 0 [ 379.726223] ? trace_hardirqs_off+0xb8/0x310 [ 379.730358] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 379.732574] ? trace_hardirqs_off+0xb8/0x310 [ 379.736954] lowmem_reserve[]: 0 0 [ 379.763910] __alloc_pages_slowpath+0x2660/0x2d70 [ 379.768308] 3503 [ 379.771785] ? warn_alloc+0x120/0x120 [ 379.776580] 3503 [ 379.778643] ? rcu_read_lock_sched_held+0x14f/0x180 [ 379.782431] Node 0 [ 379.784492] ? warn_alloc+0x120/0x120 [ 379.789513] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:96kB free_cma:0kB [ 379.791722] ? print_usage_bug+0xc0/0xc0 [ 379.795497] lowmem_reserve[]: [ 379.823713] ? warn_alloc+0x120/0x120 [ 379.827762] 0 [ 379.830883] ? print_usage_bug+0xc0/0xc0 [ 379.834662] 0 0 [ 379.836482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.840515] 0 [ 379.842499] ? should_fail+0x22d/0xd01 [ 379.848024] Node 0 [ 379.849824] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.853680] DMA: 1*4kB [ 379.855935] ? __lock_acquire+0x62f/0x4c20 [ 379.861013] (U) [ 379.863598] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.867811] 0*8kB [ 379.869781] ? __lock_acquire+0x62f/0x4c20 [ 379.874869] 0*16kB [ 379.877018] ? should_fail+0x22d/0xd01 [ 379.877043] ? mark_held_locks+0x130/0x130 [ 379.881253] 1*32kB [ 379.883489] ? mark_held_locks+0x130/0x130 [ 379.887351] (U) [ 379.891590] ? zap_class+0x640/0x640 [ 379.893797] 2*64kB (U) [ 379.898042] ? update_curr+0x4ec/0xbd0 [ 379.899993] 1*128kB [ 379.903702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.906261] (U) [ 379.910217] ? check_preemption_disabled+0x48/0x280 [ 379.912507] 1*256kB (U) [ 379.918054] ? __lock_is_held+0xb5/0x140 [ 379.920006] 0*512kB [ 379.925016] __alloc_pages_nodemask+0xa80/0xde0 [ 379.927663] 1*1024kB [ 379.931719] ? zap_class+0x640/0x640 [ 379.934027] (U) [ 379.938695] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 379.941085] 1*2048kB [ 379.944815] ? find_held_lock+0x36/0x1c0 [ 379.946765] (M) [ 379.951783] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.954171] 3*4096kB [ 379.958235] ? lock_downgrade+0x900/0x900 [ 379.960191] (M) = 15908kB [ 379.964869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.967265] Node 0 [ 379.971414] cache_grow_begin+0xa5/0x8c0 [ 379.974155] DMA32: 5*4kB [ 379.979704] ? do_raw_spin_unlock+0xa7/0x330 [ 379.981919] (UM) [ 379.985986] fallback_alloc+0x204/0x2e0 [ 379.988724] 1*8kB [ 379.993128] ____cache_alloc_node+0x1c7/0x1e0 [ 379.995169] (M) [ 379.999151] __kmalloc+0x208/0x760 [ 380.001278] 3*16kB [ 380.005788] ? __neigh_create+0x30b/0x2130 [ 380.007735] (M) [ 380.011273] __neigh_create+0x30b/0x2130 [ 380.013490] 3*32kB [ 380.017725] ? __local_bh_enable_ip+0x160/0x260 [ 380.019679] (UM) [ 380.023736] ? __local_bh_enable_ip+0x160/0x260 [ 380.025950] 2*64kB [ 380.030627] ? mark_held_locks+0x130/0x130 [ 380.032660] (M) [ 380.037330] ? __local_bh_enable_ip+0x160/0x260 [ 380.039545] 2*128kB [ 380.043777] ? neigh_hash_alloc+0x1e0/0x1e0 [ 380.045734] (M) [ 380.050395] ? zap_class+0x640/0x640 [ 380.052702] 4*256kB [ 380.057026] ? trace_hardirqs_on+0xbd/0x310 [ 380.058990] (M) 4*512kB [ 380.062713] ? mark_held_locks+0xc7/0x130 [ 380.065018] (UM) [ 380.069354] ? ip6t_do_table+0xd9e/0x1d30 [ 380.071996] 3*1024kB [ 380.076137] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.078178] (UM) [ 380.082340] ? __local_bh_enable_ip+0x160/0x260 [ 380.084731] 3*2048kB [ 380.089843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.091942] (M) [ 380.096631] ? lock_acquire+0x1ed/0x520 [ 380.099008] 3*4096kB (M) [ 380.104549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.106503] = 25132kB [ 380.110491] ? check_preemption_disabled+0x48/0x280 [ 380.113231] Node 0 [ 380.118771] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 380.121167] Normal: [ 380.126205] ? rcu_pm_notify+0xc0/0xc0 [ 380.128416] 951*4kB [ 380.133951] ? zap_class+0x640/0x640 [ 380.136255] (UMEH) [ 380.140139] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 380.142461] 234*8kB [ 380.146172] ip6_finish_output2+0xa59/0x27a0 [ 380.148383] (UME) [ 380.153577] ? ip6_copy_metadata+0xe30/0xe30 [ 380.155876] 222*16kB [ 380.160281] ? ip6_mtu+0x39c/0x520 [ 380.162405] (UMEH) [ 380.166811] ? lock_downgrade+0x900/0x900 [ 380.169200] 132*32kB (UM) [ 380.172747] ? check_preemption_disabled+0x48/0x280 [ 380.174957] 1*64kB (H) [ 380.179113] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.181930] 0*128kB [ 380.186971] ? kasan_check_read+0x11/0x20 [ 380.189523] 0*256kB [ 380.194457] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.196761] 1*512kB [ 380.200907] ? rcu_softirq_qs+0x20/0x20 [ 380.203211] (H) [ 380.208493] ? ip6_mtu+0x160/0x520 [ 380.210795] 0*1024kB 0*2048kB [ 380.214800] ? find_match+0x10a0/0x10a0 [ 380.216761] 0*4096kB [ 380.220298] ? kasan_check_read+0x11/0x20 [ 380.223475] = 14028kB [ 380.227444] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.229846] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.233992] ip6_finish_output+0x58c/0xc60 [ 380.236381] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.241650] ? ip6_finish_output+0x58c/0xc60 [ 380.250473] 4244 total pagecache pages [ 380.254716] ip6_output+0x232/0x9d0 [ 380.263274] 0 pages in swap cache [ 380.267691] ? ip6_finish_output+0xc60/0xc60 [ 380.271562] Swap cache stats: add 0, delete 0, find 0/0 [ 380.275183] ? ip6_fragment+0x38e0/0x38e0 [ 380.278617] Free swap = 0kB [ 380.283028] ? __lock_is_held+0xb5/0x140 [ 380.288383] Total swap = 0kB [ 380.292536] ndisc_send_skb+0x1005/0x1570 [ 380.295532] 1965979 pages RAM [ 380.299594] ? nf_hook.constprop.33+0x860/0x860 [ 380.302579] 0 pages HighMem/MovableOnly [ 380.302589] 342293 pages reserved [ 380.306737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.309824] 0 pages cma reserved [ 380.314491] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.318625] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.321959] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.327597] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.330868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.336321] syz-executor3 cpuset= [ 380.342815] ndisc_send_rs+0x134/0x6e0 [ 380.348241] syz3 [ 380.358734] addrconf_rs_timer+0x314/0x690 [ 380.364251] mems_allowed=0 [ 380.367700] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.384914] call_timer_fn+0x272/0x920 [ 380.388802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.393040] ? process_timeout+0x40/0x40 [ 380.397112] ? mark_held_locks+0xc7/0x130 [ 380.401267] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.405768] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.410258] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.414498] ? lockdep_hardirqs_on+0x296/0x5b0 [ 380.419082] ? trace_hardirqs_on+0xbd/0x310 [ 380.423403] ? kasan_check_read+0x11/0x20 [ 380.427559] ? __run_timers+0x7da/0xc70 [ 380.431540] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.436660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.440894] __run_timers+0x7e5/0xc70 [ 380.444713] ? timer_fixup_init+0x70/0x70 [ 380.448865] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.453881] ? zap_class+0x640/0x640 [ 380.457605] ? print_usage_bug+0xc0/0xc0 [ 380.461672] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.466897] ? find_held_lock+0x36/0x1c0 [ 380.470973] ? zap_class+0x640/0x640 [ 380.474696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.480264] ? check_preemption_disabled+0x48/0x280 [ 380.485295] ? __lock_is_held+0xb5/0x140 [ 380.489361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.494899] ? check_preemption_disabled+0x48/0x280 [ 380.499952] run_timer_softirq+0x52/0xb0 [ 380.504017] ? rcu_read_lock_sched_held+0x14f/0x180 [ 380.509040] __do_softirq+0x308/0xb7e [ 380.512841] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 380.517334] ? lock_downgrade+0x900/0x900 [ 380.521490] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 380.526609] ? pvclock_read_flags+0x160/0x160 [ 380.531114] ? lapic_next_event+0x5a/0x90 [ 380.535269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.540814] ? kvm_clock_read+0x18/0x30 [ 380.544791] ? kvm_sched_clock_read+0x9/0x20 [ 380.549226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.554808] ? check_preemption_disabled+0x48/0x280 [ 380.559859] irq_exit+0x17f/0x1c0 [ 380.563322] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.568169] ? smp_reschedule_interrupt+0x109/0x650 [ 380.573205] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.579095] ? interrupt_entry+0xb5/0xc0 [ 380.583164] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.588182] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.593240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.598088] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.603106] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.608136] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.612994] apic_timer_interrupt+0xf/0x20 [ 380.617498] [ 380.619739] RIP: 0010:dump_stack+0x358/0x39d [ 380.624237] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 380.643142] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 380.650855] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 380.658120] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 380.665414] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 380.672684] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 380.679950] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 380.687251] ? dump_stack+0x34f/0x39d [ 380.691075] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.696286] dump_header+0x27b/0xf72 [ 380.700020] ? mark_held_locks+0x130/0x130 [ 380.704285] ? pagefault_out_of_memory+0x197/0x197 [ 380.709224] ? __lock_acquire+0x62f/0x4c20 [ 380.713461] ? zap_class+0x640/0x640 [ 380.717176] ? percpu_ref_get_many+0x240/0x240 [ 380.721764] ? print_usage_bug+0xc0/0xc0 [ 380.725830] ? print_usage_bug+0xc0/0xc0 [ 380.729908] ? zap_class+0x640/0x640 [ 380.733638] ? print_usage_bug+0xc0/0xc0 [ 380.737710] ? print_usage_bug+0xc0/0xc0 [ 380.741805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.747365] ? find_held_lock+0x36/0x1c0 [ 380.751440] ? mark_held_locks+0xc7/0x130 [ 380.755593] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.760702] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 380.765808] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 380.770396] ? trace_hardirqs_on+0xbd/0x310 [ 380.774717] ? kasan_check_read+0x11/0x20 [ 380.778881] ? ___ratelimit+0x3b4/0x672 [ 380.782856] ? trace_hardirqs_off_caller+0x310/0x310 [ 380.787968] ? trace_hardirqs_on+0x310/0x310 [ 380.792378] ? lock_downgrade+0x900/0x900 [ 380.796534] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 380.801655] ? ___ratelimit+0x3b9/0x672 [ 380.805644] ? idr_get_free+0xec0/0xec0 [ 380.809641] ? find_held_lock+0x36/0x1c0 [ 380.813723] oom_kill_process.cold.27+0x10/0x903 [ 380.818484] ? zap_class+0x640/0x640 [ 380.822202] ? check_preemption_disabled+0x48/0x280 [ 380.827227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.832158] ? kasan_check_read+0x11/0x20 [ 380.836307] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.841592] ? oom_evaluate_task+0x540/0x540 [ 380.846005] ? find_held_lock+0x36/0x1c0 [ 380.850081] ? out_of_memory+0x974/0x1430 [ 380.854236] ? lock_downgrade+0x900/0x900 [ 380.858401] ? check_preemption_disabled+0x48/0x280 [ 380.863426] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.868357] ? kasan_check_read+0x11/0x20 [ 380.872520] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.877801] ? rcu_softirq_qs+0x20/0x20 [ 380.881786] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.887331] ? oom_evaluate_task+0x302/0x540 [ 380.891753] out_of_memory+0xa84/0x1430 [ 380.895755] ? oom_killer_disable+0x3a0/0x3a0 [ 380.900253] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 380.905187] ? __mutex_add_waiter+0x2a0/0x2a0 [ 380.909699] __alloc_pages_slowpath+0x22d4/0x2d70 [ 380.914578] ? warn_alloc+0x120/0x120 [ 380.918378] ? rcu_softirq_qs+0x20/0x20 [ 380.922388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.927926] ? should_fail+0x22d/0xd01 [ 380.931839] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.936961] ? zap_class+0x640/0x640 [ 380.940708] ? __lock_is_held+0xb5/0x140 [ 380.944786] ? mark_held_locks+0x130/0x130 [ 380.949025] ? lock_release+0xa00/0xa00 [ 380.953007] ? perf_trace_sched_process_exec+0x860/0x860 [ 380.958494] ? __might_sleep+0x95/0x190 [ 380.962491] __alloc_pages_nodemask+0xa80/0xde0 [ 380.967181] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 380.972228] ? __page_cache_alloc+0x191/0x5c0 [ 380.976731] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 380.981665] ? kasan_check_read+0x11/0x20 [ 380.985814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 380.991097] ? zap_class+0x640/0x640 [ 380.994820] ? zap_class+0x640/0x640 [ 380.998533] ? zap_class+0x640/0x640 [ 381.002253] ? __do_page_cache_readahead+0x7ce/0x980 [ 381.007364] ? find_held_lock+0x36/0x1c0 [ 381.011432] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 381.016999] alloc_pages_current+0x173/0x350 [ 381.021414] __page_cache_alloc+0x38c/0x5c0 [ 381.025738] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.030667] ? kasan_check_read+0x11/0x20 [ 381.034817] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.040095] ? generic_perform_write+0x6a0/0x6a0 [ 381.044858] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.050397] ? check_preemption_disabled+0x48/0x280 [ 381.055436] filemap_fault+0x1594/0x25f0 [ 381.059524] ? __lock_page_or_retry+0xa00/0xa00 [ 381.064203] ? mark_held_locks+0x130/0x130 [ 381.068466] ? rcu_softirq_qs+0x20/0x20 [ 381.072459] ? filemap_map_pages+0xe04/0x1990 [ 381.076976] ? __free_object+0x173/0x340 [ 381.081044] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 381.086004] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.091115] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 381.095814] ? debug_object_free+0x32d/0x690 [ 381.100227] ? kasan_check_read+0x11/0x20 [ 381.104383] ? debug_object_destroy+0x2b0/0x2b0 [ 381.109061] ? lock_pi_update_atomic+0x150/0x150 [ 381.113821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.119380] ? __hrtimer_init+0xdb/0x240 [ 381.123467] ? lock_acquire+0x1ed/0x520 [ 381.127445] ? ext4_filemap_fault+0x7a/0xad [ 381.131778] ? lock_release+0xa00/0xa00 [ 381.135757] ? perf_trace_sched_process_exec+0x860/0x860 [ 381.141231] ? print_usage_bug+0xc0/0xc0 [ 381.145324] ? print_usage_bug+0xc0/0xc0 [ 381.149399] ? down_read+0x8d/0x120 [ 381.153041] ? ext4_filemap_fault+0x7a/0xad [ 381.157374] ? __down_interruptible+0x700/0x700 [ 381.162060] ext4_filemap_fault+0x82/0xad [ 381.166213] __do_fault+0x100/0x6b0 [ 381.169852] ? pmd_devmap_trans_unstable+0x220/0x220 [ 381.174966] ? mark_held_locks+0x130/0x130 [ 381.179205] ? mark_held_locks+0x130/0x130 [ 381.183449] ? debug_smp_processor_id+0x1c/0x20 [ 381.188130] ? perf_trace_lock+0x14d/0x7a0 [ 381.192385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.197931] __handle_mm_fault+0x307c/0x5920 [ 381.202355] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 381.207199] ? lock_is_held_type+0x210/0x210 [ 381.211647] ? zap_class+0x640/0x640 [ 381.215372] ? zap_class+0x640/0x640 [ 381.219087] ? __x64_sys_futex+0x53e/0x6a0 [ 381.223325] ? find_held_lock+0x36/0x1c0 [ 381.227398] ? handle_mm_fault+0x42a/0xc70 [ 381.231634] ? lock_downgrade+0x900/0x900 [ 381.235783] ? check_preemption_disabled+0x48/0x280 [ 381.240808] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 381.245739] ? kasan_check_read+0x11/0x20 [ 381.249915] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.255190] ? rcu_softirq_qs+0x20/0x20 [ 381.259166] ? trace_hardirqs_off_caller+0x310/0x310 [ 381.264277] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.269815] ? check_preemption_disabled+0x48/0x280 [ 381.274841] handle_mm_fault+0x54f/0xc70 [ 381.278912] ? __handle_mm_fault+0x5920/0x5920 [ 381.283500] ? find_vma+0x34/0x190 [ 381.287049] __do_page_fault+0x5e8/0xe60 [ 381.291110] ? trace_hardirqs_off+0xb8/0x310 [ 381.295520] ? trace_hardirqs_off+0xb8/0x310 [ 381.299941] do_page_fault+0xf2/0x7e0 [ 381.303759] ? vmalloc_sync_all+0x30/0x30 [ 381.307914] ? error_entry+0x70/0xd0 [ 381.311632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 381.316646] ? trace_hardirqs_on_caller+0xc0/0x310 [ 381.321576] ? syscall_return_slowpath+0x5e0/0x5e0 [ 381.326520] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.331376] ? trace_hardirqs_on_caller+0x310/0x310 [ 381.336395] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.341854] ? prepare_exit_to_usermode+0x291/0x3b0 [ 381.346879] ? page_fault+0x8/0x30 [ 381.350425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 381.355273] ? page_fault+0x8/0x30 [ 381.358818] page_fault+0x1e/0x30 [ 381.362272] RIP: 0033:0x45ddf3 [ 381.365484] Code: Bad RIP value. [ 381.368846] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 381.374211] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 381.381477] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 381.388747] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 381.396024] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 381.403301] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 381.410592] Mem-Info: [ 381.410606] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 381.410617] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.413045] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 381.413045] active_file:13 inactive_file:17 isolated_file:0 [ 381.413045] unevictable:0 dirty:0 writeback:0 unstable:0 [ 381.413045] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 381.413045] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 381.413045] free:13759 free_pcp:161 free_cma:0 [ 381.420039] Call Trace: [ 381.429431] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 381.462373] [ 381.464948] Node 0 [ 381.492628] dump_stack+0x244/0x39d [ 381.494777] 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 [ 381.496997] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.500595] lowmem_reserve[]: 0 [ 381.526120] warn_alloc.cold.117+0xb7/0x1bd [ 381.531281] 2819 6323 [ 381.534567] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.538865] 6323 [ 381.541368] ? lock_downgrade+0x900/0x900 [ 381.546188] Node 0 [ 381.548260] ? trace_hardirqs_off+0xb8/0x310 [ 381.552404] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 381.554617] ? trace_hardirqs_off+0xb8/0x310 [ 381.558997] lowmem_reserve[]: 0 [ 381.585731] __alloc_pages_slowpath+0x2660/0x2d70 [ 381.590123] 0 [ 381.593426] ? warn_alloc+0x120/0x120 [ 381.598244] 3503 3503 [ 381.600065] ? warn_alloc+0x120/0x120 [ 381.603845] Node 0 [ 381.606351] ? print_usage_bug+0xc0/0xc0 [ 381.610154] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 381.612373] ? warn_alloc+0x120/0x120 [ 381.616426] lowmem_reserve[]: [ 381.644721] ? print_usage_bug+0xc0/0xc0 [ 381.648501] 0 [ 381.651602] ? __lock_acquire+0x62f/0x4c20 [ 381.655640] 0 [ 381.657440] ? __lock_acquire+0x62f/0x4c20 [ 381.661657] 0 [ 381.663482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.667688] 0 [ 381.669500] ? should_fail+0x22d/0xd01 [ 381.675011] Node 0 [ 381.676825] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.680702] DMA: [ 381.682933] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.688185] 1*4kB [ 381.690246] ? __lock_acquire+0x62f/0x4c20 [ 381.695344] (U) [ 381.697503] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.701710] 0*8kB 0*16kB [ 381.703694] ? __lock_acquire+0x62f/0x4c20 [ 381.708794] 1*32kB [ 381.711551] ? should_fail+0x22d/0xd01 [ 381.715765] (U) [ 381.718020] ? rcu_irq_exit+0x1a2/0x390 [ 381.722358] 2*64kB (U) [ 381.724377] ? mark_held_locks+0x130/0x130 [ 381.728329] 1*128kB [ 381.730910] ? mark_held_locks+0x130/0x130 [ 381.735119] (U) [ 381.737440] ? mark_held_locks+0xc7/0x130 [ 381.741657] 1*256kB [ 381.743634] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 381.747757] (U) [ 381.750082] ? zap_class+0x640/0x640 [ 381.755079] 0*512kB [ 381.757063] ? print_usage_bug+0xc0/0xc0 [ 381.760757] 1*1024kB [ 381.763079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.767116] (U) [ 381.769538] ? check_preemption_disabled+0x48/0x280 [ 381.775052] 1*2048kB [ 381.777029] ? __lock_is_held+0xb5/0x140 [ 381.782018] (M) [ 381.784430] __alloc_pages_nodemask+0xa80/0xde0 [ 381.788472] 3*4096kB [ 381.790441] ? zap_class+0x640/0x640 [ 381.795090] (M) [ 381.797498] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 381.801197] = 15908kB [ 381.803170] ? find_held_lock+0x36/0x1c0 [ 381.808159] Node 0 [ 381.810571] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.814605] DMA32: [ 381.816839] ? lock_downgrade+0x900/0x900 [ 381.821486] 5*4kB [ 381.823724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.827846] (UM) [ 381.830029] cache_grow_begin+0xa5/0x8c0 [ 381.835540] 1*8kB [ 381.837601] ? do_raw_spin_unlock+0xa7/0x330 [ 381.841638] (M) [ 381.843791] fallback_alloc+0x204/0x2e0 [ 381.848173] 3*16kB [ 381.850151] ____cache_alloc_node+0x1c7/0x1e0 [ 381.854104] (M) [ 381.856340] kmem_cache_alloc_node+0xe3/0x730 [ 381.860812] 3*32kB [ 381.862783] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.867248] (UM) 2*64kB [ 381.869500] __alloc_skb+0x119/0x770 [ 381.873716] (M) [ 381.876413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 381.880115] 2*128kB [ 381.882099] ? netdev_alloc_frag+0x1f0/0x1f0 [ 381.887362] (M) [ 381.889687] ? lock_downgrade+0x900/0x900 [ 381.894072] 4*256kB [ 381.896053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.900175] (M) [ 381.902500] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.908005] 4*512kB (UM) [ 381.909994] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.915414] 3*1024kB (UM) [ 381.918212] ? addrconf_rs_timer+0x690/0x690 [ 381.923656] 3*2048kB [ 381.926505] ndisc_alloc_skb+0x144/0x340 [ 381.930899] (M) [ 381.933322] ndisc_send_rs+0x331/0x6e0 [ 381.937354] 3*4096kB (M) [ 381.939341] addrconf_rs_timer+0x314/0x690 [ 381.943222] = 25132kB [ 381.945975] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.950184] Node 0 [ 381.952640] call_timer_fn+0x272/0x920 [ 381.956833] Normal: 951*4kB [ 381.959073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.962941] (UMEH) [ 381.965979] ? process_timeout+0x40/0x40 [ 381.970198] 234*8kB [ 381.972435] ? __run_timers+0x7da/0xc70 [ 381.976467] (UME) [ 381.978791] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.982741] 222*16kB [ 381.984899] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.989379] (UMEH) [ 381.991785] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.996264] 132*32kB (UM) [ 381.998510] ? lockdep_hardirqs_on+0x296/0x5b0 [ 382.002722] 1*64kB [ 382.005573] ? trace_hardirqs_on+0xbd/0x310 [ 382.010143] (H) [ 382.012379] ? kasan_check_read+0x11/0x20 [ 382.016673] 0*128kB 0*256kB [ 382.018657] ? __run_timers+0x7da/0xc70 [ 382.022787] 1*512kB [ 382.025805] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.029759] (H) [ 382.032082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.037167] 0*1024kB [ 382.039155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.043370] 0*2048kB [ 382.045774] __run_timers+0x7e5/0xc70 [ 382.049998] 0*4096kB [ 382.052412] ? timer_fixup_init+0x70/0x70 [ 382.056209] = 14028kB [ 382.058614] ? kasan_check_read+0x11/0x20 [ 382.062749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 382.065152] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.069294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 382.078122] ? rcu_softirq_qs+0x20/0x20 [ 382.083382] 4244 total pagecache pages [ 382.091955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.095926] 0 pages in swap cache [ 382.099803] ? check_preemption_disabled+0x48/0x280 [ 382.105322] Swap cache stats: add 0, delete 0, find 0/0 [ 382.108812] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.113781] Free swap = 0kB [ 382.119144] ? retint_kernel+0x2d/0x2d [ 382.123891] Total swap = 0kB [ 382.126952] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.130850] 1965979 pages RAM [ 382.133866] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 382.138773] 0 pages HighMem/MovableOnly [ 382.141875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.146621] 342293 pages reserved [ 382.146630] 0 pages cma reserved [ 382.150606] ? zap_class+0x640/0x640 [ 382.156363] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.159491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.162839] syz-fuzzer cpuset= [ 382.166551] ? check_preemption_disabled+0x48/0x280 [ 382.176756] / [ 382.182297] ? __lock_is_held+0xb5/0x140 [ 382.185470] mems_allowed=0 [ 382.190499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.204692] ? check_preemption_disabled+0x48/0x280 [ 382.209719] run_timer_softirq+0x52/0xb0 [ 382.213784] ? rcu_read_lock_sched_held+0x14f/0x180 [ 382.218810] __do_softirq+0x308/0xb7e [ 382.222614] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 382.227107] ? lock_downgrade+0x900/0x900 [ 382.231276] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 382.236391] ? pvclock_read_flags+0x160/0x160 [ 382.240891] ? lapic_next_event+0x5a/0x90 [ 382.245056] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.250625] ? kvm_clock_read+0x18/0x30 [ 382.254600] ? kvm_sched_clock_read+0x9/0x20 [ 382.259011] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.264575] ? check_preemption_disabled+0x48/0x280 [ 382.269632] irq_exit+0x17f/0x1c0 [ 382.273090] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.277934] ? smp_reschedule_interrupt+0x109/0x650 [ 382.282955] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.288841] ? interrupt_entry+0xb5/0xc0 [ 382.292922] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.297940] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.302964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.307807] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.312822] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.317838] ? task_prio+0x50/0x50 [ 382.321382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.326923] ? check_preemption_disabled+0x48/0x280 [ 382.331974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.336829] apic_timer_interrupt+0xf/0x20 [ 382.341116] [ 382.343368] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 382.348301] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 382.367199] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 382.374911] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 382.382175] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 382.389439] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 382.396709] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 382.403974] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 382.411293] skb_clone+0x1bb/0x500 [ 382.414850] ? finish_task_switch+0x2f4/0x910 [ 382.419347] ? skb_split+0x11e0/0x11e0 [ 382.423248] ? preempt_notifier_register+0x200/0x200 [ 382.428355] ? __switch_to_asm+0x34/0x70 [ 382.432416] ? __switch_to_asm+0x34/0x70 [ 382.436488] ? __switch_to_asm+0x40/0x70 [ 382.440547] ? __switch_to_asm+0x34/0x70 [ 382.444607] ? __switch_to_asm+0x40/0x70 [ 382.448667] ? __switch_to_asm+0x34/0x70 [ 382.452730] ? __switch_to_asm+0x40/0x70 [ 382.456790] ? __switch_to_asm+0x34/0x70 [ 382.460854] ? __switch_to_asm+0x34/0x70 [ 382.464917] ? __switch_to_asm+0x40/0x70 [ 382.468977] ? __switch_to_asm+0x34/0x70 [ 382.473050] bpf_clone_redirect+0xb9/0x490 [ 382.477288] ? __schedule+0x8d7/0x21d0 [ 382.481221] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 382.486243] ? __sched_text_start+0x8/0x8 [ 382.490401] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 382.494986] ? find_held_lock+0x36/0x1c0 [ 382.499054] ? lock_acquire+0x1ed/0x520 [ 382.503046] ? bpf_test_run+0x3cb/0x780 [ 382.507034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.512576] ? check_preemption_disabled+0x48/0x280 [ 382.517604] ? kasan_check_read+0x11/0x20 [ 382.521761] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.527074] ? rcu_softirq_qs+0x20/0x20 [ 382.531057] ? preempt_schedule+0x4d/0x60 [ 382.535219] ? ___preempt_schedule+0x16/0x18 [ 382.539637] ? bpf_test_run+0x25d/0x780 [ 382.543634] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.548061] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 382.552824] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 382.557594] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.562434] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.567983] ? fput+0x130/0x1a0 [ 382.571270] ? __bpf_prog_get+0x9b/0x290 [ 382.575343] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 382.580189] ? bpf_prog_test_run+0x130/0x1a0 [ 382.584610] ? __x64_sys_bpf+0x3d8/0x520 [ 382.588673] ? bpf_prog_get+0x20/0x20 [ 382.592505] ? do_syscall_64+0x1b9/0x820 [ 382.596570] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.601939] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.606891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.611745] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.617237] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.622255] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.627797] ? prepare_exit_to_usermode+0x291/0x3b0 [ 382.632835] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.637714] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.643124] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 382.643253] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.649812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.649817] Call Trace: [ 382.649825] [ 382.649842] dump_stack+0x244/0x39d [ 382.649863] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.656405] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.665790] warn_alloc.cold.117+0xb7/0x1bd [ 382.668345] syz-executor3 cpuset= [ 382.670490] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.674096] syz3 [ 382.679286] ? lock_downgrade+0x900/0x900 [ 382.689754] mems_allowed=0 [ 382.694078] ? trace_hardirqs_off+0xb8/0x310 [ 382.715778] ? trace_hardirqs_off+0xb8/0x310 [ 382.720198] __alloc_pages_slowpath+0x2660/0x2d70 [ 382.725084] ? warn_alloc+0x120/0x120 [ 382.728893] ? warn_alloc+0x120/0x120 [ 382.732698] ? print_usage_bug+0xc0/0xc0 [ 382.736761] ? warn_alloc+0x120/0x120 [ 382.740568] ? print_usage_bug+0xc0/0xc0 [ 382.744638] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.749840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.755380] ? should_fail+0x22d/0xd01 [ 382.759277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.764380] ? __lock_acquire+0x62f/0x4c20 [ 382.768650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.773757] ? __lock_acquire+0x62f/0x4c20 [ 382.777992] ? should_fail+0x22d/0xd01 [ 382.781891] ? mark_held_locks+0x130/0x130 [ 382.786132] ? mark_held_locks+0x130/0x130 [ 382.790377] ? zap_class+0x640/0x640 [ 382.794098] ? zap_class+0x640/0x640 [ 382.797833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.803372] ? check_preemption_disabled+0x48/0x280 [ 382.808403] ? __lock_is_held+0xb5/0x140 [ 382.812473] __alloc_pages_nodemask+0xa80/0xde0 [ 382.817142] ? zap_class+0x640/0x640 [ 382.820863] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 382.825931] ? find_held_lock+0x36/0x1c0 [ 382.830034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.834707] ? lock_downgrade+0x900/0x900 [ 382.838869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.844421] cache_grow_begin+0xa5/0x8c0 [ 382.848489] ? do_raw_spin_unlock+0xa7/0x330 [ 382.852912] fallback_alloc+0x204/0x2e0 [ 382.856898] ____cache_alloc_node+0x1c7/0x1e0 [ 382.861430] __kmalloc+0x208/0x760 [ 382.864985] ? __neigh_create+0x30b/0x2130 [ 382.869249] __neigh_create+0x30b/0x2130 [ 382.873410] ? __local_bh_enable_ip+0x160/0x260 [ 382.878081] ? __local_bh_enable_ip+0x160/0x260 [ 382.882791] ? mark_held_locks+0x130/0x130 [ 382.887023] ? __local_bh_enable_ip+0x160/0x260 [ 382.891711] ? neigh_hash_alloc+0x1e0/0x1e0 [ 382.896036] ? zap_class+0x640/0x640 [ 382.899748] ? trace_hardirqs_on+0xbd/0x310 [ 382.904067] ? mark_held_locks+0xc7/0x130 [ 382.908237] ? ip6t_do_table+0xd9e/0x1d30 [ 382.912386] ? trace_hardirqs_off_caller+0x310/0x310 [ 382.917498] ? __local_bh_enable_ip+0x160/0x260 [ 382.922172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.927731] ? lock_acquire+0x1ed/0x520 [ 382.931713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.937253] ? check_preemption_disabled+0x48/0x280 [ 382.942285] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 382.947825] ? rcu_pm_notify+0xc0/0xc0 [ 382.951715] ? zap_class+0x640/0x640 [ 382.955429] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 382.960637] ip6_finish_output2+0xa59/0x27a0 [ 382.965099] ? ip6_copy_metadata+0xe30/0xe30 [ 382.969532] ? ip6_mtu+0x39c/0x520 [ 382.973102] ? lock_downgrade+0x900/0x900 [ 382.977256] ? check_preemption_disabled+0x48/0x280 [ 382.982282] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 382.987222] ? kasan_check_read+0x11/0x20 [ 382.991383] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 382.996666] ? rcu_softirq_qs+0x20/0x20 [ 383.000662] ? ip6_mtu+0x160/0x520 [ 383.004217] ? find_match+0x10a0/0x10a0 [ 383.008203] ? kasan_check_read+0x11/0x20 [ 383.012356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.017647] ip6_finish_output+0x58c/0xc60 [ 383.021899] ? ip6_finish_output+0x58c/0xc60 [ 383.026326] ip6_output+0x232/0x9d0 [ 383.029977] ? ip6_finish_output+0xc60/0xc60 [ 383.034436] ? ip6_fragment+0x38e0/0x38e0 [ 383.038591] ? __lock_is_held+0xb5/0x140 [ 383.042669] ndisc_send_skb+0x1005/0x1570 [ 383.046831] ? nf_hook.constprop.33+0x860/0x860 [ 383.051506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.057053] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.062512] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.068000] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.073554] ndisc_send_rs+0x134/0x6e0 [ 383.077455] addrconf_rs_timer+0x314/0x690 [ 383.081705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.085966] call_timer_fn+0x272/0x920 [ 383.089860] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.094107] ? process_timeout+0x40/0x40 [ 383.098182] ? mark_held_locks+0xc7/0x130 [ 383.102376] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.106890] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.111388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.115632] ? lockdep_hardirqs_on+0x296/0x5b0 [ 383.120250] ? trace_hardirqs_on+0xbd/0x310 [ 383.124574] ? kasan_check_read+0x11/0x20 [ 383.128727] ? __run_timers+0x7da/0xc70 [ 383.132707] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.137817] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.142073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.146316] __run_timers+0x7e5/0xc70 [ 383.150133] ? timer_fixup_init+0x70/0x70 [ 383.154284] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.159315] ? zap_class+0x640/0x640 [ 383.163103] ? print_usage_bug+0xc0/0xc0 [ 383.167197] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.172399] ? find_held_lock+0x36/0x1c0 [ 383.176467] ? zap_class+0x640/0x640 [ 383.180230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.185771] ? check_preemption_disabled+0x48/0x280 [ 383.190799] ? __lock_is_held+0xb5/0x140 [ 383.194868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.200423] ? check_preemption_disabled+0x48/0x280 [ 383.205455] run_timer_softirq+0x52/0xb0 [ 383.209539] ? rcu_read_lock_sched_held+0x14f/0x180 [ 383.214566] __do_softirq+0x308/0xb7e [ 383.218387] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 383.222881] ? lock_downgrade+0x900/0x900 [ 383.227041] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 383.232158] ? pvclock_read_flags+0x160/0x160 [ 383.236668] ? lapic_next_event+0x5a/0x90 [ 383.240832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.246385] ? kvm_clock_read+0x18/0x30 [ 383.250363] ? kvm_sched_clock_read+0x9/0x20 [ 383.254803] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.260342] ? check_preemption_disabled+0x48/0x280 [ 383.265374] irq_exit+0x17f/0x1c0 [ 383.268838] smp_apic_timer_interrupt+0x1cb/0x760 [ 383.273685] ? smp_reschedule_interrupt+0x109/0x650 [ 383.278709] ? smp_call_function_single_interrupt+0x650/0x650 [ 383.284603] ? interrupt_entry+0xb5/0xc0 [ 383.288682] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.293697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 383.298717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.303573] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.308619] ? trace_hardirqs_on_caller+0x310/0x310 [ 383.313653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 383.318515] apic_timer_interrupt+0xf/0x20 [ 383.322748] [ 383.324987] RIP: 0010:dump_stack+0x358/0x39d [ 383.329401] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 383.348315] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 383.356037] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 383.363311] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 383.370588] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 383.377859] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 383.385133] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 383.392437] ? dump_stack+0x34f/0x39d [ 383.396257] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.401469] dump_header+0x27b/0xf72 [ 383.405232] ? mark_held_locks+0x130/0x130 [ 383.409475] ? pagefault_out_of_memory+0x197/0x197 [ 383.414414] ? __lock_acquire+0x62f/0x4c20 [ 383.418651] ? zap_class+0x640/0x640 [ 383.422367] ? percpu_ref_get_many+0x240/0x240 [ 383.426950] ? print_usage_bug+0xc0/0xc0 [ 383.431024] ? print_usage_bug+0xc0/0xc0 [ 383.435093] ? zap_class+0x640/0x640 [ 383.438810] ? print_usage_bug+0xc0/0xc0 [ 383.442876] ? print_usage_bug+0xc0/0xc0 [ 383.446948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.452506] ? find_held_lock+0x36/0x1c0 [ 383.456578] ? mark_held_locks+0xc7/0x130 [ 383.460734] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.465840] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 383.470947] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 383.475541] ? trace_hardirqs_on+0xbd/0x310 [ 383.479894] ? kasan_check_read+0x11/0x20 [ 383.484049] ? ___ratelimit+0x3b4/0x672 [ 383.488052] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.493163] ? trace_hardirqs_on+0x310/0x310 [ 383.497585] ? lock_downgrade+0x900/0x900 [ 383.501754] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.506865] ? ___ratelimit+0x3b9/0x672 [ 383.510845] ? idr_get_free+0xec0/0xec0 [ 383.514824] ? find_held_lock+0x36/0x1c0 [ 383.518906] oom_kill_process.cold.27+0x10/0x903 [ 383.523668] ? zap_class+0x640/0x640 [ 383.527385] ? check_preemption_disabled+0x48/0x280 [ 383.532447] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.537381] ? kasan_check_read+0x11/0x20 [ 383.541536] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.546818] ? oom_evaluate_task+0x540/0x540 [ 383.551273] ? find_held_lock+0x36/0x1c0 [ 383.555350] ? out_of_memory+0x974/0x1430 [ 383.559504] ? lock_downgrade+0x900/0x900 [ 383.563652] ? check_preemption_disabled+0x48/0x280 [ 383.568678] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.573622] ? kasan_check_read+0x11/0x20 [ 383.577773] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.583057] ? rcu_softirq_qs+0x20/0x20 [ 383.587056] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.592626] ? oom_evaluate_task+0x302/0x540 [ 383.597056] out_of_memory+0xa84/0x1430 [ 383.601062] ? oom_killer_disable+0x3a0/0x3a0 [ 383.605572] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 383.610507] ? __mutex_add_waiter+0x2a0/0x2a0 [ 383.615018] __alloc_pages_slowpath+0x22d4/0x2d70 [ 383.619897] ? warn_alloc+0x120/0x120 [ 383.623699] ? rcu_softirq_qs+0x20/0x20 [ 383.627706] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.633251] ? should_fail+0x22d/0xd01 [ 383.637144] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.642275] ? zap_class+0x640/0x640 [ 383.646020] ? __lock_is_held+0xb5/0x140 [ 383.650089] ? mark_held_locks+0x130/0x130 [ 383.654331] ? lock_release+0xa00/0xa00 [ 383.658316] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.663784] ? __might_sleep+0x95/0x190 [ 383.667766] __alloc_pages_nodemask+0xa80/0xde0 [ 383.672448] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 383.677468] ? __page_cache_alloc+0x191/0x5c0 [ 383.681992] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.686939] ? kasan_check_read+0x11/0x20 [ 383.691099] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.696379] ? zap_class+0x640/0x640 [ 383.700097] ? zap_class+0x640/0x640 [ 383.703831] ? zap_class+0x640/0x640 [ 383.707546] ? __do_page_cache_readahead+0x7ce/0x980 [ 383.712661] ? find_held_lock+0x36/0x1c0 [ 383.716732] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 383.722731] alloc_pages_current+0x173/0x350 [ 383.727172] __page_cache_alloc+0x38c/0x5c0 [ 383.731526] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.736458] ? kasan_check_read+0x11/0x20 [ 383.740612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.745904] ? generic_perform_write+0x6a0/0x6a0 [ 383.750670] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.756221] ? check_preemption_disabled+0x48/0x280 [ 383.761252] filemap_fault+0x1594/0x25f0 [ 383.765335] ? __lock_page_or_retry+0xa00/0xa00 [ 383.770021] ? mark_held_locks+0x130/0x130 [ 383.774259] ? rcu_softirq_qs+0x20/0x20 [ 383.778423] ? filemap_map_pages+0xe04/0x1990 [ 383.782934] ? __free_object+0x173/0x340 [ 383.787003] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 383.791933] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.797047] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 383.801733] ? debug_object_free+0x32d/0x690 [ 383.806143] ? kasan_check_read+0x11/0x20 [ 383.810298] ? debug_object_destroy+0x2b0/0x2b0 [ 383.815009] ? lock_pi_update_atomic+0x150/0x150 [ 383.819776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.825321] ? __hrtimer_init+0xdb/0x240 [ 383.829397] ? lock_acquire+0x1ed/0x520 [ 383.833377] ? ext4_filemap_fault+0x7a/0xad [ 383.837712] ? lock_release+0xa00/0xa00 [ 383.841686] ? perf_trace_sched_process_exec+0x860/0x860 [ 383.847142] ? print_usage_bug+0xc0/0xc0 [ 383.851213] ? print_usage_bug+0xc0/0xc0 [ 383.855321] ? down_read+0x8d/0x120 [ 383.858944] ? ext4_filemap_fault+0x7a/0xad [ 383.863286] ? __down_interruptible+0x700/0x700 [ 383.867980] ext4_filemap_fault+0x82/0xad [ 383.872149] __do_fault+0x100/0x6b0 [ 383.875780] ? pmd_devmap_trans_unstable+0x220/0x220 [ 383.880893] ? mark_held_locks+0x130/0x130 [ 383.885163] ? mark_held_locks+0x130/0x130 [ 383.889419] ? debug_smp_processor_id+0x1c/0x20 [ 383.894086] ? perf_trace_lock+0x14d/0x7a0 [ 383.898329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.903874] __handle_mm_fault+0x307c/0x5920 [ 383.908312] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 383.913169] ? lock_is_held_type+0x210/0x210 [ 383.917626] ? zap_class+0x640/0x640 [ 383.921342] ? zap_class+0x640/0x640 [ 383.925074] ? __x64_sys_futex+0x53e/0x6a0 [ 383.929326] ? find_held_lock+0x36/0x1c0 [ 383.933407] ? handle_mm_fault+0x42a/0xc70 [ 383.937657] ? lock_downgrade+0x900/0x900 [ 383.941804] ? check_preemption_disabled+0x48/0x280 [ 383.946828] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 383.951764] ? kasan_check_read+0x11/0x20 [ 383.955918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 383.961208] ? rcu_softirq_qs+0x20/0x20 [ 383.965181] ? trace_hardirqs_off_caller+0x310/0x310 [ 383.970307] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.975844] ? check_preemption_disabled+0x48/0x280 [ 383.980871] handle_mm_fault+0x54f/0xc70 [ 383.984938] ? __handle_mm_fault+0x5920/0x5920 [ 383.989540] ? find_vma+0x34/0x190 [ 383.993092] __do_page_fault+0x5e8/0xe60 [ 383.997153] ? trace_hardirqs_off+0xb8/0x310 [ 384.001560] ? trace_hardirqs_off+0xb8/0x310 [ 384.005988] do_page_fault+0xf2/0x7e0 [ 384.009792] ? vmalloc_sync_all+0x30/0x30 [ 384.013964] ? error_entry+0x70/0xd0 [ 384.017694] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.022708] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.027642] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.032576] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.037426] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.042443] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.047914] ? prepare_exit_to_usermode+0x291/0x3b0 [ 384.052933] ? page_fault+0x8/0x30 [ 384.056485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.061334] ? page_fault+0x8/0x30 [ 384.064882] page_fault+0x1e/0x30 [ 384.068339] RIP: 0033:0x45ddf3 [ 384.071568] Code: Bad RIP value. [ 384.074929] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 384.080298] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 384.087576] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 384.094844] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 384.102108] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 384.109374] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 384.116674] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 384.116687] warn_alloc_show_mem: 1 callbacks suppressed [ 384.116692] Mem-Info: [ 384.123709] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.129083] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 384.129083] active_file:13 inactive_file:17 isolated_file:0 [ 384.129083] unevictable:0 dirty:0 writeback:0 unstable:0 [ 384.129083] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 384.129083] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 384.129083] free:13759 free_pcp:161 free_cma:0 [ 384.131471] Call Trace: [ 384.140859] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 384.173791] [ 384.176366] Node 0 [ 384.204063] dump_stack+0x244/0x39d [ 384.206217] 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 [ 384.208419] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.212031] lowmem_reserve[]: [ 384.237582] warn_alloc.cold.117+0xb7/0x1bd [ 384.242745] 0 [ 384.245848] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.250172] 2819 [ 384.251984] ? lock_downgrade+0x900/0x900 [ 384.256799] 6323 6323 [ 384.258875] ? trace_hardirqs_off+0xb8/0x310 [ 384.263000] Node 0 [ 384.265495] ? trace_hardirqs_off+0xb8/0x310 [ 384.269914] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 384.272124] __alloc_pages_slowpath+0x2660/0x2d70 [ 384.276520] lowmem_reserve[]: [ 384.303262] ? warn_alloc+0x120/0x120 [ 384.308054] 0 [ 384.311160] ? warn_alloc+0x120/0x120 [ 384.314929] 0 3503 [ 384.316737] ? print_usage_bug+0xc0/0xc0 [ 384.320520] 3503 [ 384.322756] ? warn_alloc+0x120/0x120 [ 384.328861] ? print_usage_bug+0xc0/0xc0 [ 384.332639] Node 0 [ 384.336692] ? __lock_acquire+0x62f/0x4c20 [ 384.336724] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 384.336731] lowmem_reserve[]: [ 384.338970] ? __lock_acquire+0x62f/0x4c20 [ 384.343196] 0 [ 384.371500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.374596] 0 [ 384.378833] ? should_fail+0x22d/0xd01 [ 384.380610] 0 [ 384.386147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.387923] 0 [ 384.391832] ? __lock_acquire+0x62f/0x4c20 [ 384.393615] Node 0 [ 384.398729] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.400512] DMA: [ 384.404752] ? __lock_acquire+0x62f/0x4c20 [ 384.406973] 1*4kB [ 384.412087] ? should_fail+0x22d/0xd01 [ 384.414130] (U) [ 384.418366] ? find_held_lock+0x36/0x1c0 [ 384.420498] 0*8kB [ 384.424408] ? mark_held_locks+0x130/0x130 [ 384.426360] 0*16kB [ 384.430419] ? mark_held_locks+0x130/0x130 [ 384.432548] 1*32kB [ 384.436778] ? zap_class+0x640/0x640 [ 384.438995] (U) [ 384.443226] ? zap_class+0x640/0x640 [ 384.445440] 2*64kB (U) [ 384.449164] ? print_usage_bug+0xc0/0xc0 [ 384.451120] 1*128kB [ 384.454831] ? do_raw_spin_unlock+0xa7/0x330 [ 384.457396] (U) [ 384.461462] ? zap_class+0x640/0x640 [ 384.463765] 1*256kB [ 384.468191] ? print_usage_bug+0xc0/0xc0 [ 384.470154] (U) [ 384.473883] ? wq_watchdog_touch+0x9c/0xfe [ 384.476209] 0*512kB [ 384.480269] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.482237] 1*1024kB [ 384.486485] ? check_preemption_disabled+0x48/0x280 [ 384.488788] (U) [ 384.494331] ? __lock_is_held+0xb5/0x140 [ 384.496713] 1*2048kB [ 384.501732] __alloc_pages_nodemask+0xa80/0xde0 [ 384.503691] (M) 3*4096kB [ 384.507772] ? zap_class+0x640/0x640 [ 384.510169] (M) [ 384.514836] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 384.517574] = 15908kB [ 384.521291] ? find_held_lock+0x36/0x1c0 [ 384.523238] Node 0 [ 384.528261] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.530644] DMA32: [ 384.534704] ? lock_downgrade+0x900/0x900 [ 384.536920] 5*4kB [ 384.541593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.543809] (UM) [ 384.547957] cache_grow_begin+0xa5/0x8c0 [ 384.550093] 1*8kB [ 384.555629] ? do_raw_spin_unlock+0xa7/0x330 [ 384.557670] (M) [ 384.561731] fallback_alloc+0x204/0x2e0 [ 384.563861] 3*16kB [ 384.568273] ____cache_alloc_node+0x1c7/0x1e0 [ 384.570249] (M) [ 384.574234] kmem_cache_alloc_node+0xe3/0x730 [ 384.576450] 3*32kB [ 384.580945] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.582905] (UM) [ 384.587405] __alloc_skb+0x119/0x770 [ 384.589608] 2*64kB (M) [ 384.593850] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.595905] 2*128kB [ 384.599613] ? netdev_alloc_frag+0x1f0/0x1f0 [ 384.602178] (M) [ 384.607460] ? lock_downgrade+0x900/0x900 [ 384.609768] 4*256kB [ 384.614744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.616698] (M) [ 384.620849] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.623150] 4*512kB [ 384.628689] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.630653] (UM) [ 384.636110] ? addrconf_rs_timer+0x690/0x690 [ 384.638414] 3*1024kB [ 384.643878] ndisc_alloc_skb+0x144/0x340 [ 384.645908] (UM) [ 384.650329] ndisc_send_rs+0x331/0x6e0 [ 384.652718] 3*2048kB [ 384.656787] addrconf_rs_timer+0x314/0x690 [ 384.658825] (M) [ 384.662726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.665117] 3*4096kB [ 384.669362] call_timer_fn+0x272/0x920 [ 384.671307] (M) [ 384.675538] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.677927] = 25132kB [ 384.677937] Node 0 [ 384.681822] ? process_timeout+0x40/0x40 [ 384.683781] Normal: [ 384.688018] ? __run_timers+0x7da/0xc70 [ 384.690407] 951*4kB [ 384.692643] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.696678] (UMEH) [ 384.699001] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.702959] 234*8kB [ 384.705274] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.709750] (UME) [ 384.711991] ? lockdep_hardirqs_on+0x296/0x5b0 [ 384.716462] 222*16kB (UMEH) [ 384.718793] ? trace_hardirqs_on+0xbd/0x310 [ 384.723003] 132*32kB (UM) [ 384.725164] ? kasan_check_read+0x11/0x20 [ 384.729721] 1*64kB (H) [ 384.732760] ? __run_timers+0x7da/0xc70 [ 384.737057] 0*128kB [ 384.739897] ? trace_hardirqs_off_caller+0x310/0x310 [ 384.744020] 0*256kB 1*512kB [ 384.746613] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.750564] (H) [ 384.752889] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.757974] 0*1024kB 0*2048kB [ 384.761008] __run_timers+0x7e5/0xc70 [ 384.765219] 0*4096kB [ 384.767213] ? timer_fixup_init+0x70/0x70 [ 384.771409] = 14028kB [ 384.774599] ? kasan_check_read+0x11/0x20 [ 384.778384] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 384.780788] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 384.784919] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 384.787321] ? rcu_softirq_qs+0x20/0x20 [ 384.791451] 4244 total pagecache pages [ 384.800290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.805555] 0 pages in swap cache [ 384.814120] ? check_preemption_disabled+0x48/0x280 [ 384.818079] Swap cache stats: add 0, delete 0, find 0/0 [ 384.821964] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.827481] Free swap = 0kB [ 384.830933] ? retint_kernel+0x2d/0x2d [ 384.835918] Total swap = 0kB [ 384.835928] 1965979 pages RAM [ 384.841289] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.846024] 0 pages HighMem/MovableOnly [ 384.849064] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 384.852926] 342293 pages reserved [ 384.852935] 0 pages cma reserved [ 384.855955] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.859373] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.863978] ? zap_class+0x640/0x640 [ 384.867938] syz-fuzzer cpuset= [ 384.872719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.876151] / [ 384.879514] ? check_preemption_disabled+0x48/0x280 [ 384.884946] mems_allowed=0 [ 384.895180] ? __lock_is_held+0xb5/0x140 [ 384.921250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.926797] ? check_preemption_disabled+0x48/0x280 [ 384.931826] run_timer_softirq+0x52/0xb0 [ 384.935894] ? rcu_read_lock_sched_held+0x14f/0x180 [ 384.940916] __do_softirq+0x308/0xb7e [ 384.944728] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 384.949227] ? lock_downgrade+0x900/0x900 [ 384.953390] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 384.958511] ? pvclock_read_flags+0x160/0x160 [ 384.963011] ? lapic_next_event+0x5a/0x90 [ 384.967164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.972717] ? kvm_clock_read+0x18/0x30 [ 384.976692] ? kvm_sched_clock_read+0x9/0x20 [ 384.981107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.986650] ? check_preemption_disabled+0x48/0x280 [ 384.991682] irq_exit+0x17f/0x1c0 [ 384.995146] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.000024] ? smp_reschedule_interrupt+0x109/0x650 [ 385.005052] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.010938] ? interrupt_entry+0xb5/0xc0 [ 385.015005] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.020024] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.025049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.029895] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.034910] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.039923] ? task_prio+0x50/0x50 [ 385.043470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.049007] ? check_preemption_disabled+0x48/0x280 [ 385.054059] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.058913] apic_timer_interrupt+0xf/0x20 [ 385.063140] [ 385.065410] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 385.070345] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 385.089261] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 385.096985] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 385.104255] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 385.111529] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 385.118811] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 385.126078] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 385.133406] skb_clone+0x1bb/0x500 [ 385.136984] ? finish_task_switch+0x2f4/0x910 [ 385.141485] ? skb_split+0x11e0/0x11e0 [ 385.145373] ? preempt_notifier_register+0x200/0x200 [ 385.150479] ? __switch_to_asm+0x34/0x70 [ 385.154538] ? __switch_to_asm+0x34/0x70 [ 385.158619] ? __switch_to_asm+0x40/0x70 [ 385.162692] ? __switch_to_asm+0x34/0x70 [ 385.166751] ? __switch_to_asm+0x40/0x70 [ 385.170815] ? __switch_to_asm+0x34/0x70 [ 385.174873] ? __switch_to_asm+0x40/0x70 [ 385.178936] ? __switch_to_asm+0x34/0x70 [ 385.183003] ? __switch_to_asm+0x34/0x70 [ 385.187063] ? __switch_to_asm+0x40/0x70 [ 385.191124] ? __switch_to_asm+0x34/0x70 [ 385.195202] bpf_clone_redirect+0xb9/0x490 [ 385.199452] ? __schedule+0x8d7/0x21d0 [ 385.203355] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 385.208382] ? __sched_text_start+0x8/0x8 [ 385.212549] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 385.217151] ? find_held_lock+0x36/0x1c0 [ 385.221227] ? lock_acquire+0x1ed/0x520 [ 385.225209] ? bpf_test_run+0x3cb/0x780 [ 385.229199] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.234740] ? check_preemption_disabled+0x48/0x280 [ 385.239766] ? kasan_check_read+0x11/0x20 [ 385.243916] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.249206] ? rcu_softirq_qs+0x20/0x20 [ 385.253197] ? preempt_schedule+0x4d/0x60 [ 385.257349] ? ___preempt_schedule+0x16/0x18 [ 385.261769] ? bpf_test_run+0x25d/0x780 [ 385.265755] ? netlink_diag_dump+0x2a0/0x2a0 [ 385.270172] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 385.274944] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 385.279713] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.284560] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 385.290102] ? fput+0x130/0x1a0 [ 385.293389] ? __bpf_prog_get+0x9b/0x290 [ 385.297462] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 385.302311] ? bpf_prog_test_run+0x130/0x1a0 [ 385.306729] ? __x64_sys_bpf+0x3d8/0x520 [ 385.310793] ? bpf_prog_get+0x20/0x20 [ 385.314624] ? do_syscall_64+0x1b9/0x820 [ 385.318688] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 385.324058] ? syscall_return_slowpath+0x5e0/0x5e0 [ 385.328988] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.333833] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.338850] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 385.343870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.349411] ? prepare_exit_to_usermode+0x291/0x3b0 [ 385.354441] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.359300] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 385.364690] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 385.364775] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.371370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.371376] Call Trace: [ 385.371384] [ 385.371402] dump_stack+0x244/0x39d [ 385.371420] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.377994] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.387262] warn_alloc.cold.117+0xb7/0x1bd [ 385.389822] syz-executor3 cpuset= [ 385.391975] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.395576] syz3 [ 385.400770] ? lock_downgrade+0x900/0x900 [ 385.411238] mems_allowed=0 [ 385.415562] ? trace_hardirqs_off+0xb8/0x310 [ 385.437256] ? trace_hardirqs_off+0xb8/0x310 [ 385.441693] __alloc_pages_slowpath+0x2660/0x2d70 [ 385.446615] ? warn_alloc+0x120/0x120 [ 385.450435] ? warn_alloc+0x120/0x120 [ 385.454243] ? print_usage_bug+0xc0/0xc0 [ 385.458306] ? warn_alloc+0x120/0x120 [ 385.462110] ? print_usage_bug+0xc0/0xc0 [ 385.466185] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.471390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.476940] ? should_fail+0x22d/0xd01 [ 385.480848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.485967] ? __lock_acquire+0x62f/0x4c20 [ 385.490217] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.495323] ? __lock_acquire+0x62f/0x4c20 [ 385.499558] ? should_fail+0x22d/0xd01 [ 385.503460] ? mark_held_locks+0x130/0x130 [ 385.507703] ? mark_held_locks+0x130/0x130 [ 385.511935] ? zap_class+0x640/0x640 [ 385.515664] ? zap_class+0x640/0x640 [ 385.519390] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.524933] ? check_preemption_disabled+0x48/0x280 [ 385.529975] ? __lock_is_held+0xb5/0x140 [ 385.534048] __alloc_pages_nodemask+0xa80/0xde0 [ 385.538727] ? zap_class+0x640/0x640 [ 385.542447] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 385.547492] ? find_held_lock+0x36/0x1c0 [ 385.551565] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.556239] ? lock_downgrade+0x900/0x900 [ 385.560400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.565983] cache_grow_begin+0xa5/0x8c0 [ 385.570051] ? do_raw_spin_unlock+0xa7/0x330 [ 385.574469] fallback_alloc+0x204/0x2e0 [ 385.578453] ____cache_alloc_node+0x1c7/0x1e0 [ 385.582963] __kmalloc+0x208/0x760 [ 385.586517] ? __neigh_create+0x30b/0x2130 [ 385.590763] __neigh_create+0x30b/0x2130 [ 385.594831] ? __local_bh_enable_ip+0x160/0x260 [ 385.599502] ? __local_bh_enable_ip+0x160/0x260 [ 385.604187] ? mark_held_locks+0x130/0x130 [ 385.608423] ? __local_bh_enable_ip+0x160/0x260 [ 385.613110] ? neigh_hash_alloc+0x1e0/0x1e0 [ 385.617430] ? zap_class+0x640/0x640 [ 385.621146] ? trace_hardirqs_on+0xbd/0x310 [ 385.625466] ? mark_held_locks+0xc7/0x130 [ 385.629624] ? ip6t_do_table+0xd9e/0x1d30 [ 385.633771] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.638876] ? __local_bh_enable_ip+0x160/0x260 [ 385.643552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.649106] ? lock_acquire+0x1ed/0x520 [ 385.653086] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.658624] ? check_preemption_disabled+0x48/0x280 [ 385.663654] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 385.669195] ? rcu_pm_notify+0xc0/0xc0 [ 385.673091] ? zap_class+0x640/0x640 [ 385.676803] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 385.682031] ip6_finish_output2+0xa59/0x27a0 [ 385.686457] ? ip6_copy_metadata+0xe30/0xe30 [ 385.690899] ? ip6_mtu+0x39c/0x520 [ 385.694451] ? lock_downgrade+0x900/0x900 [ 385.698600] ? check_preemption_disabled+0x48/0x280 [ 385.703627] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 385.708569] ? kasan_check_read+0x11/0x20 [ 385.712724] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.718028] ? rcu_softirq_qs+0x20/0x20 [ 385.722491] ? ip6_mtu+0x160/0x520 [ 385.726041] ? find_match+0x10a0/0x10a0 [ 385.730017] ? kasan_check_read+0x11/0x20 [ 385.734167] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 385.739463] ip6_finish_output+0x58c/0xc60 [ 385.743709] ? ip6_finish_output+0x58c/0xc60 [ 385.748130] ip6_output+0x232/0x9d0 [ 385.751762] ? ip6_finish_output+0xc60/0xc60 [ 385.756179] ? ip6_fragment+0x38e0/0x38e0 [ 385.760335] ? __lock_is_held+0xb5/0x140 [ 385.764412] ndisc_send_skb+0x1005/0x1570 [ 385.768575] ? nf_hook.constprop.33+0x860/0x860 [ 385.773252] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.779237] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.784699] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.790170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.795720] ndisc_send_rs+0x134/0x6e0 [ 385.799619] addrconf_rs_timer+0x314/0x690 [ 385.803865] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.808117] call_timer_fn+0x272/0x920 [ 385.812009] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.816248] ? process_timeout+0x40/0x40 [ 385.820323] ? mark_held_locks+0xc7/0x130 [ 385.824476] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.828976] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.833474] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.837712] ? lockdep_hardirqs_on+0x296/0x5b0 [ 385.842300] ? trace_hardirqs_on+0xbd/0x310 [ 385.846626] ? kasan_check_read+0x11/0x20 [ 385.850779] ? __run_timers+0x7da/0xc70 [ 385.854757] ? trace_hardirqs_off_caller+0x310/0x310 [ 385.859883] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.864130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.868379] __run_timers+0x7e5/0xc70 [ 385.872207] ? timer_fixup_init+0x70/0x70 [ 385.876362] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.881388] ? zap_class+0x640/0x640 [ 385.885108] ? print_usage_bug+0xc0/0xc0 [ 385.889229] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.894428] ? find_held_lock+0x36/0x1c0 [ 385.898496] ? zap_class+0x640/0x640 [ 385.902230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.907774] ? check_preemption_disabled+0x48/0x280 [ 385.912802] ? __lock_is_held+0xb5/0x140 [ 385.916867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.922407] ? check_preemption_disabled+0x48/0x280 [ 385.927434] run_timer_softirq+0x52/0xb0 [ 385.931498] ? rcu_read_lock_sched_held+0x14f/0x180 [ 385.936519] __do_softirq+0x308/0xb7e [ 385.940328] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 385.944824] ? lock_downgrade+0x900/0x900 [ 385.948985] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 385.954102] ? pvclock_read_flags+0x160/0x160 [ 385.958604] ? lapic_next_event+0x5a/0x90 [ 385.962758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.968307] ? kvm_clock_read+0x18/0x30 [ 385.972290] ? kvm_sched_clock_read+0x9/0x20 [ 385.976703] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.982247] ? check_preemption_disabled+0x48/0x280 [ 385.987310] irq_exit+0x17f/0x1c0 [ 385.990773] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.995622] ? smp_reschedule_interrupt+0x109/0x650 [ 386.000642] ? smp_call_function_single_interrupt+0x650/0x650 [ 386.006530] ? interrupt_entry+0xb5/0xc0 [ 386.010597] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.015613] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.020631] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.025488] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.030506] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.035542] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.040397] apic_timer_interrupt+0xf/0x20 [ 386.044630] [ 386.046870] RIP: 0010:dump_stack+0x358/0x39d [ 386.051287] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 386.070187] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 386.077909] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 386.085181] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 386.092457] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 386.099728] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 386.107001] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 386.114307] ? dump_stack+0x34f/0x39d [ 386.118125] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.123333] dump_header+0x27b/0xf72 [ 386.127058] ? mark_held_locks+0x130/0x130 [ 386.131302] ? pagefault_out_of_memory+0x197/0x197 [ 386.136248] ? __lock_acquire+0x62f/0x4c20 [ 386.140482] ? zap_class+0x640/0x640 [ 386.144209] ? percpu_ref_get_many+0x240/0x240 [ 386.148794] ? print_usage_bug+0xc0/0xc0 [ 386.152861] ? print_usage_bug+0xc0/0xc0 [ 386.156940] ? zap_class+0x640/0x640 [ 386.160676] ? print_usage_bug+0xc0/0xc0 [ 386.164742] ? print_usage_bug+0xc0/0xc0 [ 386.168819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.174362] ? find_held_lock+0x36/0x1c0 [ 386.178608] ? mark_held_locks+0xc7/0x130 [ 386.182763] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.187871] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 386.192988] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 386.197577] ? trace_hardirqs_on+0xbd/0x310 [ 386.201902] ? kasan_check_read+0x11/0x20 [ 386.206053] ? ___ratelimit+0x3b4/0x672 [ 386.210031] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.215144] ? trace_hardirqs_on+0x310/0x310 [ 386.219557] ? lock_downgrade+0x900/0x900 [ 386.223717] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.228828] ? ___ratelimit+0x3b9/0x672 [ 386.232807] ? idr_get_free+0xec0/0xec0 [ 386.236780] ? find_held_lock+0x36/0x1c0 [ 386.240856] oom_kill_process.cold.27+0x10/0x903 [ 386.245623] ? zap_class+0x640/0x640 [ 386.249341] ? check_preemption_disabled+0x48/0x280 [ 386.254365] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.259295] ? kasan_check_read+0x11/0x20 [ 386.263446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.268730] ? oom_evaluate_task+0x540/0x540 [ 386.273143] ? find_held_lock+0x36/0x1c0 [ 386.277225] ? out_of_memory+0x974/0x1430 [ 386.281379] ? lock_downgrade+0x900/0x900 [ 386.285527] ? check_preemption_disabled+0x48/0x280 [ 386.290555] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.295489] ? kasan_check_read+0x11/0x20 [ 386.299643] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.304934] ? rcu_softirq_qs+0x20/0x20 [ 386.308932] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.314481] ? oom_evaluate_task+0x302/0x540 [ 386.318899] out_of_memory+0xa84/0x1430 [ 386.322891] ? oom_killer_disable+0x3a0/0x3a0 [ 386.327394] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 386.332332] ? __mutex_add_waiter+0x2a0/0x2a0 [ 386.336843] __alloc_pages_slowpath+0x22d4/0x2d70 [ 386.341718] ? warn_alloc+0x120/0x120 [ 386.345519] ? rcu_softirq_qs+0x20/0x20 [ 386.349537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.355082] ? should_fail+0x22d/0xd01 [ 386.358981] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.364090] ? zap_class+0x640/0x640 [ 386.367832] ? __lock_is_held+0xb5/0x140 [ 386.371909] ? mark_held_locks+0x130/0x130 [ 386.376182] ? lock_release+0xa00/0xa00 [ 386.380186] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.385663] ? __might_sleep+0x95/0x190 [ 386.389646] __alloc_pages_nodemask+0xa80/0xde0 [ 386.394330] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 386.399354] ? __page_cache_alloc+0x191/0x5c0 [ 386.403856] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.408788] ? kasan_check_read+0x11/0x20 [ 386.412937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.418240] ? zap_class+0x640/0x640 [ 386.421972] ? zap_class+0x640/0x640 [ 386.425686] ? zap_class+0x640/0x640 [ 386.429401] ? __do_page_cache_readahead+0x7ce/0x980 [ 386.434510] ? find_held_lock+0x36/0x1c0 [ 386.438578] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 386.444129] alloc_pages_current+0x173/0x350 [ 386.448569] __page_cache_alloc+0x38c/0x5c0 [ 386.452897] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.457826] ? kasan_check_read+0x11/0x20 [ 386.461981] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.467273] ? generic_perform_write+0x6a0/0x6a0 [ 386.472041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.477608] ? check_preemption_disabled+0x48/0x280 [ 386.482638] filemap_fault+0x1594/0x25f0 [ 386.486717] ? __lock_page_or_retry+0xa00/0xa00 [ 386.491390] ? mark_held_locks+0x130/0x130 [ 386.496670] ? rcu_softirq_qs+0x20/0x20 [ 386.500659] ? filemap_map_pages+0xe04/0x1990 [ 386.505176] ? __free_object+0x173/0x340 [ 386.509250] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 386.514182] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.519352] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 386.524038] ? debug_object_free+0x32d/0x690 [ 386.528447] ? kasan_check_read+0x11/0x20 [ 386.532602] ? debug_object_destroy+0x2b0/0x2b0 [ 386.537272] ? lock_pi_update_atomic+0x150/0x150 [ 386.542050] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.547607] ? __hrtimer_init+0xdb/0x240 [ 386.551686] ? lock_acquire+0x1ed/0x520 [ 386.555665] ? ext4_filemap_fault+0x7a/0xad [ 386.559998] ? lock_release+0xa00/0xa00 [ 386.563991] ? perf_trace_sched_process_exec+0x860/0x860 [ 386.569457] ? print_usage_bug+0xc0/0xc0 [ 386.573521] ? print_usage_bug+0xc0/0xc0 [ 386.577598] ? down_read+0x8d/0x120 [ 386.581229] ? ext4_filemap_fault+0x7a/0xad [ 386.585562] ? __down_interruptible+0x700/0x700 [ 386.590252] ext4_filemap_fault+0x82/0xad [ 386.594405] __do_fault+0x100/0x6b0 [ 386.598044] ? pmd_devmap_trans_unstable+0x220/0x220 [ 386.603154] ? mark_held_locks+0x130/0x130 [ 386.607398] ? mark_held_locks+0x130/0x130 [ 386.611637] ? debug_smp_processor_id+0x1c/0x20 [ 386.616476] ? perf_trace_lock+0x14d/0x7a0 [ 386.620727] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.626270] __handle_mm_fault+0x307c/0x5920 [ 386.630693] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 386.635538] ? lock_is_held_type+0x210/0x210 [ 386.640011] ? zap_class+0x640/0x640 [ 386.643724] ? zap_class+0x640/0x640 [ 386.647445] ? __x64_sys_futex+0x53e/0x6a0 [ 386.651687] ? find_held_lock+0x36/0x1c0 [ 386.655777] ? handle_mm_fault+0x42a/0xc70 [ 386.660032] ? lock_downgrade+0x900/0x900 [ 386.664185] ? check_preemption_disabled+0x48/0x280 [ 386.669302] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 386.674242] ? kasan_check_read+0x11/0x20 [ 386.678399] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 386.683704] ? rcu_softirq_qs+0x20/0x20 [ 386.687682] ? trace_hardirqs_off_caller+0x310/0x310 [ 386.692793] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.698335] ? check_preemption_disabled+0x48/0x280 [ 386.703369] handle_mm_fault+0x54f/0xc70 [ 386.707464] ? __handle_mm_fault+0x5920/0x5920 [ 386.712058] ? find_vma+0x34/0x190 [ 386.715615] __do_page_fault+0x5e8/0xe60 [ 386.719680] ? trace_hardirqs_off+0xb8/0x310 [ 386.724553] ? trace_hardirqs_off+0xb8/0x310 [ 386.729020] do_page_fault+0xf2/0x7e0 [ 386.732824] ? vmalloc_sync_all+0x30/0x30 [ 386.736980] ? error_entry+0x70/0xd0 [ 386.740697] ? trace_hardirqs_off_caller+0xbb/0x310 [ 386.745716] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.750648] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.755581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.760424] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.765439] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.770910] ? prepare_exit_to_usermode+0x291/0x3b0 [ 386.775929] ? page_fault+0x8/0x30 [ 386.779481] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.784356] ? page_fault+0x8/0x30 [ 386.787899] page_fault+0x1e/0x30 [ 386.791351] RIP: 0033:0x45ddf3 [ 386.794585] Code: Bad RIP value. [ 386.797984] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 386.803360] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 386.810633] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 386.817898] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 386.825164] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 386.832439] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 386.839743] warn_alloc_show_mem: 1 callbacks suppressed [ 386.839756] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 386.839758] Mem-Info: [ 386.839790] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 386.839790] active_file:13 inactive_file:17 isolated_file:0 [ 386.839790] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.839790] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 386.839790] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 386.839790] free:13759 free_pcp:161 free_cma:0 [ 386.845136] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.845145] Call Trace: [ 386.852172] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.854577] [ 386.887533] Node 0 [ 386.896902] dump_stack+0x244/0x39d [ 386.899479] 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 [ 386.899487] lowmem_reserve[]: [ 386.927162] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.929294] 0 [ 386.931539] warn_alloc.cold.117+0xb7/0x1bd [ 386.935137] 2819 [ 386.960637] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.963723] 6323 [ 386.968923] ? lock_downgrade+0x900/0x900 [ 386.970702] 6323 [ 386.975030] ? trace_hardirqs_off+0xb8/0x310 [ 386.981919] ? trace_hardirqs_off+0xb8/0x310 [ 386.983986] Node 0 [ 386.988136] __alloc_pages_slowpath+0x2660/0x2d70 [ 386.990211] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 386.994610] ? warn_alloc+0x120/0x120 [ 386.998973] lowmem_reserve[]: [ 387.001214] ? warn_alloc+0x120/0x120 [ 387.006047] 0 [ 387.032763] ? print_usage_bug+0xc0/0xc0 [ 387.036542] 0 [ 387.039647] ? warn_alloc+0x120/0x120 [ 387.043453] 3503 [ 387.045262] ? print_usage_bug+0xc0/0xc0 [ 387.049300] 3503 [ 387.051110] ? __lock_acquire+0x62f/0x4c20 [ 387.054893] Node 0 [ 387.056966] ? __lock_acquire+0x62f/0x4c20 [ 387.061049] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 387.063085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.067293] lowmem_reserve[]: 0 [ 387.069543] ? should_fail+0x22d/0xd01 [ 387.073752] 0 [ 387.102037] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.107552] 0 [ 387.110837] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.114699] 0 [ 387.116506] ? __lock_acquire+0x62f/0x4c20 [ 387.121763] Node 0 [ 387.123574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.128654] DMA: [ 387.130452] ? __lock_acquire+0x62f/0x4c20 [ 387.134667] 1*4kB [ 387.136903] ? should_fail+0x22d/0xd01 [ 387.141985] (U) [ 387.144046] ? rcu_irq_exit+0x1a2/0x390 [ 387.148257] 0*8kB [ 387.150409] ? mark_held_locks+0x130/0x130 [ 387.154265] 0*16kB 1*32kB [ 387.156247] ? mark_held_locks+0x130/0x130 [ 387.160199] (U) [ 387.162348] ? mark_held_locks+0xc7/0x130 [ 387.166564] 2*64kB [ 387.169409] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 387.173611] (U) 1*128kB [ 387.175597] ? zap_class+0x640/0x640 [ 387.179736] (U) [ 387.181974] ? print_usage_bug+0xc0/0xc0 [ 387.186977] 1*256kB (U) [ 387.189656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.193344] 0*512kB 1*1024kB [ 387.195330] ? check_preemption_disabled+0x48/0x280 [ 387.199365] (U) [ 387.202050] ? __lock_is_held+0xb5/0x140 [ 387.207563] 1*2048kB [ 387.210672] __alloc_pages_nodemask+0xa80/0xde0 [ 387.215662] (M) [ 387.217643] ? zap_class+0x640/0x640 [ 387.221685] 3*4096kB [ 387.224090] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 387.228738] (M) [ 387.230721] ? find_held_lock+0x36/0x1c0 [ 387.234399] = 15908kB [ 387.234408] Node 0 [ 387.236834] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.241822] DMA32: [ 387.243794] ? lock_downgrade+0x900/0x900 [ 387.247839] 5*4kB [ 387.250249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.252459] (UM) 1*8kB [ 387.257148] cache_grow_begin+0xa5/0x8c0 [ 387.259367] (M) [ 387.263517] ? do_raw_spin_unlock+0xa7/0x330 [ 387.265650] 3*16kB [ 387.271200] fallback_alloc+0x204/0x2e0 [ 387.273777] (M) [ 387.277842] ____cache_alloc_node+0x1c7/0x1e0 [ 387.279801] 3*32kB [ 387.284212] kmem_cache_alloc_node+0xe3/0x730 [ 387.286428] (UM) [ 387.290490] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.292442] 2*64kB (M) [ 387.296956] __alloc_skb+0x119/0x770 [ 387.299169] 2*128kB (M) [ 387.303675] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.305718] 4*256kB [ 387.309947] ? netdev_alloc_frag+0x1f0/0x1f0 [ 387.312514] (M) [ 387.316226] ? lock_downgrade+0x900/0x900 [ 387.318878] 4*512kB [ 387.324182] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.326503] (UM) [ 387.330922] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.332876] 3*1024kB [ 387.337031] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.339342] (UM) [ 387.344874] ? addrconf_rs_timer+0x690/0x690 [ 387.346920] 3*2048kB [ 387.352390] ndisc_alloc_skb+0x144/0x340 [ 387.354767] (M) 3*4096kB [ 387.360222] ndisc_send_rs+0x331/0x6e0 [ 387.362272] (M) [ 387.366684] addrconf_rs_timer+0x314/0x690 [ 387.369077] = 25132kB [ 387.373134] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.375884] Node 0 [ 387.379779] call_timer_fn+0x272/0x920 [ 387.381726] Normal: [ 387.385961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.388368] 951*4kB [ 387.392616] ? process_timeout+0x40/0x40 [ 387.394843] (UMEH) [ 387.398735] ? __run_timers+0x7da/0xc70 [ 387.401039] 234*8kB [ 387.405277] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.407582] (UME) [ 387.411664] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.413880] 222*16kB (UMEH) [ 387.417857] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.420182] 132*32kB (UM) [ 387.424685] ? lockdep_hardirqs_on+0x296/0x5b0 [ 387.426806] 1*64kB (H) [ 387.431312] ? trace_hardirqs_on+0xbd/0x310 [ 387.434308] 0*128kB 0*256kB [ 387.438550] ? kasan_check_read+0x11/0x20 [ 387.441398] 1*512kB [ 387.445986] ? __run_timers+0x7da/0xc70 [ 387.448548] (H) [ 387.452866] ? trace_hardirqs_off_caller+0x310/0x310 [ 387.455865] 0*1024kB [ 387.460010] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.462316] 0*2048kB [ 387.466286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.468241] 0*4096kB [ 387.473348] __run_timers+0x7e5/0xc70 [ 387.475740] = 14028kB [ 387.479982] ? timer_fixup_init+0x70/0x70 [ 387.482378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.486601] ? kasan_check_read+0x11/0x20 [ 387.488998] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.492799] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.495188] 4244 total pagecache pages [ 387.499336] ? rcu_softirq_qs+0x20/0x20 [ 387.508159] 0 pages in swap cache [ 387.512334] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.520911] Swap cache stats: add 0, delete 0, find 0/0 [ 387.520921] Free swap = 0kB [ 387.526195] ? check_preemption_disabled+0x48/0x280 [ 387.530067] Total swap = 0kB [ 387.534041] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.537481] 1965979 pages RAM [ 387.543019] ? retint_kernel+0x2d/0x2d [ 387.548362] 0 pages HighMem/MovableOnly [ 387.551391] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.556410] 342293 pages reserved [ 387.559440] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 387.564175] 0 pages cma reserved [ 387.567276] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.571474] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.575114] ? zap_class+0x640/0x640 [ 387.580028] syz-fuzzer cpuset= [ 387.583481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.588220] / [ 387.591586] ? check_preemption_disabled+0x48/0x280 [ 387.597016] mems_allowed=0 [ 387.607238] ? __lock_is_held+0xb5/0x140 [ 387.633342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.638891] ? check_preemption_disabled+0x48/0x280 [ 387.643929] run_timer_softirq+0x52/0xb0 [ 387.647989] ? rcu_read_lock_sched_held+0x14f/0x180 [ 387.653008] __do_softirq+0x308/0xb7e [ 387.656813] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 387.661306] ? lock_downgrade+0x900/0x900 [ 387.665482] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 387.670601] ? pvclock_read_flags+0x160/0x160 [ 387.675099] ? lapic_next_event+0x5a/0x90 [ 387.679249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.684797] ? kvm_clock_read+0x18/0x30 [ 387.688783] ? kvm_sched_clock_read+0x9/0x20 [ 387.693221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.698776] ? check_preemption_disabled+0x48/0x280 [ 387.703818] irq_exit+0x17f/0x1c0 [ 387.707277] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.712119] ? smp_reschedule_interrupt+0x109/0x650 [ 387.717179] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.723275] ? interrupt_entry+0xb5/0xc0 [ 387.727340] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.732390] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.737419] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.742292] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.747305] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.752320] ? task_prio+0x50/0x50 [ 387.755866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.761406] ? check_preemption_disabled+0x48/0x280 [ 387.766450] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.771313] apic_timer_interrupt+0xf/0x20 [ 387.775542] [ 387.777780] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.782714] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 387.801614] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 387.809323] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.816589] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 387.823853] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 387.831128] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.838407] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 387.845725] skb_clone+0x1bb/0x500 [ 387.849267] ? finish_task_switch+0x2f4/0x910 [ 387.853767] ? skb_split+0x11e0/0x11e0 [ 387.857670] ? preempt_notifier_register+0x200/0x200 [ 387.862773] ? __switch_to_asm+0x34/0x70 [ 387.866836] ? __switch_to_asm+0x34/0x70 [ 387.870896] ? __switch_to_asm+0x40/0x70 [ 387.874956] ? __switch_to_asm+0x34/0x70 [ 387.879019] ? __switch_to_asm+0x40/0x70 [ 387.883088] ? __switch_to_asm+0x34/0x70 [ 387.887147] ? __switch_to_asm+0x40/0x70 [ 387.891211] ? __switch_to_asm+0x34/0x70 [ 387.895278] ? __switch_to_asm+0x34/0x70 [ 387.899338] ? __switch_to_asm+0x40/0x70 [ 387.903400] ? __switch_to_asm+0x34/0x70 [ 387.907480] bpf_clone_redirect+0xb9/0x490 [ 387.911721] ? __schedule+0x8d7/0x21d0 [ 387.915621] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 387.920646] ? __sched_text_start+0x8/0x8 [ 387.924801] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 387.929393] ? find_held_lock+0x36/0x1c0 [ 387.933467] ? lock_acquire+0x1ed/0x520 [ 387.937446] ? bpf_test_run+0x3cb/0x780 [ 387.941432] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.946986] ? check_preemption_disabled+0x48/0x280 [ 387.952033] ? kasan_check_read+0x11/0x20 [ 387.956200] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 387.961485] ? rcu_softirq_qs+0x20/0x20 [ 387.965485] ? preempt_schedule+0x4d/0x60 [ 387.969640] ? ___preempt_schedule+0x16/0x18 [ 387.974059] ? bpf_test_run+0x25d/0x780 [ 387.978049] ? netlink_diag_dump+0x2a0/0x2a0 [ 387.982468] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 387.987233] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 387.992024] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 387.996878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.002427] ? fput+0x130/0x1a0 [ 388.005716] ? __bpf_prog_get+0x9b/0x290 [ 388.009785] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 388.014645] ? bpf_prog_test_run+0x130/0x1a0 [ 388.019087] ? __x64_sys_bpf+0x3d8/0x520 [ 388.023174] ? bpf_prog_get+0x20/0x20 [ 388.027014] ? do_syscall_64+0x1b9/0x820 [ 388.031105] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.036479] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.041412] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.046256] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.051278] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.056295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.061845] ? prepare_exit_to_usermode+0x291/0x3b0 [ 388.066870] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.071723] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.077110] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 388.077195] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.083786] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.083795] Call Trace: [ 388.090398] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.099651] [ 388.102235] syz-executor3 cpuset= [ 388.112722] dump_stack+0x244/0x39d [ 388.114852] syz3 [ 388.118314] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.121926] mems_allowed=0 [ 388.123906] warn_alloc.cold.117+0xb7/0x1bd [ 388.136326] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.141207] ? lock_downgrade+0x900/0x900 [ 388.145391] ? trace_hardirqs_off+0xb8/0x310 [ 388.149829] ? trace_hardirqs_off+0xb8/0x310 [ 388.154249] __alloc_pages_slowpath+0x2660/0x2d70 [ 388.159126] ? warn_alloc+0x120/0x120 [ 388.162936] ? warn_alloc+0x120/0x120 [ 388.166747] ? print_usage_bug+0xc0/0xc0 [ 388.170813] ? warn_alloc+0x120/0x120 [ 388.174614] ? print_usage_bug+0xc0/0xc0 [ 388.178678] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.183877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.189415] ? should_fail+0x22d/0xd01 [ 388.193309] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.198410] ? __lock_acquire+0x62f/0x4c20 [ 388.202655] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.207766] ? __lock_acquire+0x62f/0x4c20 [ 388.211998] ? should_fail+0x22d/0xd01 [ 388.215914] ? mark_held_locks+0x130/0x130 [ 388.220156] ? mark_held_locks+0x130/0x130 [ 388.224397] ? zap_class+0x640/0x640 [ 388.228123] ? zap_class+0x640/0x640 [ 388.231856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.237397] ? check_preemption_disabled+0x48/0x280 [ 388.242423] ? __lock_is_held+0xb5/0x140 [ 388.246493] __alloc_pages_nodemask+0xa80/0xde0 [ 388.251163] ? zap_class+0x640/0x640 [ 388.254892] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 388.259921] ? find_held_lock+0x36/0x1c0 [ 388.264034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.268709] ? lock_downgrade+0x900/0x900 [ 388.272869] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.278415] cache_grow_begin+0xa5/0x8c0 [ 388.282484] ? do_raw_spin_unlock+0xa7/0x330 [ 388.286906] fallback_alloc+0x204/0x2e0 [ 388.290900] ____cache_alloc_node+0x1c7/0x1e0 [ 388.295442] __kmalloc+0x208/0x760 [ 388.298995] ? __neigh_create+0x30b/0x2130 [ 388.303244] __neigh_create+0x30b/0x2130 [ 388.307312] ? __local_bh_enable_ip+0x160/0x260 [ 388.311990] ? __local_bh_enable_ip+0x160/0x260 [ 388.316678] ? mark_held_locks+0x130/0x130 [ 388.320912] ? __local_bh_enable_ip+0x160/0x260 [ 388.325586] ? neigh_hash_alloc+0x1e0/0x1e0 [ 388.329907] ? zap_class+0x640/0x640 [ 388.333623] ? trace_hardirqs_on+0xbd/0x310 [ 388.338120] ? mark_held_locks+0xc7/0x130 [ 388.342274] ? ip6t_do_table+0xd9e/0x1d30 [ 388.346424] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.351573] ? __local_bh_enable_ip+0x160/0x260 [ 388.356250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.361808] ? lock_acquire+0x1ed/0x520 [ 388.365783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.371339] ? check_preemption_disabled+0x48/0x280 [ 388.376369] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 388.381908] ? rcu_pm_notify+0xc0/0xc0 [ 388.385798] ? zap_class+0x640/0x640 [ 388.389523] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 388.394742] ip6_finish_output2+0xa59/0x27a0 [ 388.399164] ? ip6_copy_metadata+0xe30/0xe30 [ 388.403586] ? ip6_mtu+0x39c/0x520 [ 388.407139] ? lock_downgrade+0x900/0x900 [ 388.411285] ? check_preemption_disabled+0x48/0x280 [ 388.416306] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.421260] ? kasan_check_read+0x11/0x20 [ 388.425411] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.430693] ? rcu_softirq_qs+0x20/0x20 [ 388.434681] ? ip6_mtu+0x160/0x520 [ 388.438225] ? find_match+0x10a0/0x10a0 [ 388.442220] ? kasan_check_read+0x11/0x20 [ 388.446376] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.451674] ip6_finish_output+0x58c/0xc60 [ 388.455914] ? ip6_finish_output+0x58c/0xc60 [ 388.460331] ip6_output+0x232/0x9d0 [ 388.463969] ? ip6_finish_output+0xc60/0xc60 [ 388.468389] ? ip6_fragment+0x38e0/0x38e0 [ 388.472540] ? __lock_is_held+0xb5/0x140 [ 388.476619] ndisc_send_skb+0x1005/0x1570 [ 388.480781] ? nf_hook.constprop.33+0x860/0x860 [ 388.485450] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.490990] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.496451] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.501928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.507480] ndisc_send_rs+0x134/0x6e0 [ 388.511378] addrconf_rs_timer+0x314/0x690 [ 388.515633] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.519884] call_timer_fn+0x272/0x920 [ 388.523775] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.528011] ? process_timeout+0x40/0x40 [ 388.532085] ? mark_held_locks+0xc7/0x130 [ 388.536238] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.540736] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.545232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.549467] ? lockdep_hardirqs_on+0x296/0x5b0 [ 388.554057] ? trace_hardirqs_on+0xbd/0x310 [ 388.558377] ? kasan_check_read+0x11/0x20 [ 388.562523] ? __run_timers+0x7da/0xc70 [ 388.566500] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.571609] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.575851] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.580087] __run_timers+0x7e5/0xc70 [ 388.583906] ? timer_fixup_init+0x70/0x70 [ 388.588054] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 388.593083] ? zap_class+0x640/0x640 [ 388.596817] ? print_usage_bug+0xc0/0xc0 [ 388.600885] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 388.606096] ? find_held_lock+0x36/0x1c0 [ 388.610164] ? zap_class+0x640/0x640 [ 388.613891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.619612] ? check_preemption_disabled+0x48/0x280 [ 388.624646] ? __lock_is_held+0xb5/0x140 [ 388.628710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.634247] ? check_preemption_disabled+0x48/0x280 [ 388.639274] run_timer_softirq+0x52/0xb0 [ 388.643340] ? rcu_read_lock_sched_held+0x14f/0x180 [ 388.648361] __do_softirq+0x308/0xb7e [ 388.652167] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 388.656663] ? lock_downgrade+0x900/0x900 [ 388.660819] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 388.665932] ? pvclock_read_flags+0x160/0x160 [ 388.670439] ? lapic_next_event+0x5a/0x90 [ 388.674596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.680141] ? kvm_clock_read+0x18/0x30 [ 388.684119] ? kvm_sched_clock_read+0x9/0x20 [ 388.688530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.694064] ? check_preemption_disabled+0x48/0x280 [ 388.699094] irq_exit+0x17f/0x1c0 [ 388.702551] smp_apic_timer_interrupt+0x1cb/0x760 [ 388.707396] ? smp_reschedule_interrupt+0x109/0x650 [ 388.712422] ? smp_call_function_single_interrupt+0x650/0x650 [ 388.718307] ? interrupt_entry+0xb5/0xc0 [ 388.722373] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.727405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 388.732465] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.737310] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.742324] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.747354] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.752231] apic_timer_interrupt+0xf/0x20 [ 388.756460] [ 388.758699] RIP: 0010:dump_stack+0x358/0x39d [ 388.763138] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 388.782033] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 388.789747] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 388.797018] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 388.804310] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 388.811576] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 388.818847] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 388.826133] ? dump_stack+0x34f/0x39d [ 388.829958] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.835167] dump_header+0x27b/0xf72 [ 388.838891] ? mark_held_locks+0x130/0x130 [ 388.843132] ? pagefault_out_of_memory+0x197/0x197 [ 388.848074] ? __lock_acquire+0x62f/0x4c20 [ 388.852309] ? zap_class+0x640/0x640 [ 388.856026] ? percpu_ref_get_many+0x240/0x240 [ 388.860614] ? print_usage_bug+0xc0/0xc0 [ 388.864682] ? print_usage_bug+0xc0/0xc0 [ 388.868748] ? zap_class+0x640/0x640 [ 388.872465] ? print_usage_bug+0xc0/0xc0 [ 388.876526] ? print_usage_bug+0xc0/0xc0 [ 388.880596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.886137] ? find_held_lock+0x36/0x1c0 [ 388.890216] ? mark_held_locks+0xc7/0x130 [ 388.894375] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.899483] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 388.904586] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 388.909197] ? trace_hardirqs_on+0xbd/0x310 [ 388.913519] ? kasan_check_read+0x11/0x20 [ 388.917670] ? ___ratelimit+0x3b4/0x672 [ 388.921648] ? trace_hardirqs_off_caller+0x310/0x310 [ 388.926751] ? trace_hardirqs_on+0x310/0x310 [ 388.931161] ? lock_downgrade+0x900/0x900 [ 388.935326] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.940431] ? ___ratelimit+0x3b9/0x672 [ 388.944411] ? idr_get_free+0xec0/0xec0 [ 388.948385] ? find_held_lock+0x36/0x1c0 [ 388.952459] oom_kill_process.cold.27+0x10/0x903 [ 388.957225] ? zap_class+0x640/0x640 [ 388.960938] ? check_preemption_disabled+0x48/0x280 [ 388.965973] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 388.970924] ? kasan_check_read+0x11/0x20 [ 388.975085] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 388.980381] ? oom_evaluate_task+0x540/0x540 [ 388.984792] ? find_held_lock+0x36/0x1c0 [ 388.988874] ? out_of_memory+0x974/0x1430 [ 388.993023] ? lock_downgrade+0x900/0x900 [ 388.997170] ? check_preemption_disabled+0x48/0x280 [ 389.002208] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.007139] ? kasan_check_read+0x11/0x20 [ 389.011294] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.016577] ? rcu_softirq_qs+0x20/0x20 [ 389.020557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.026094] ? oom_evaluate_task+0x302/0x540 [ 389.030515] out_of_memory+0xa84/0x1430 [ 389.034504] ? oom_killer_disable+0x3a0/0x3a0 [ 389.039027] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 389.043989] ? __mutex_add_waiter+0x2a0/0x2a0 [ 389.048498] __alloc_pages_slowpath+0x22d4/0x2d70 [ 389.053381] ? warn_alloc+0x120/0x120 [ 389.057200] ? rcu_softirq_qs+0x20/0x20 [ 389.061213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.066757] ? should_fail+0x22d/0xd01 [ 389.070655] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.075772] ? zap_class+0x640/0x640 [ 389.079515] ? __lock_is_held+0xb5/0x140 [ 389.083589] ? mark_held_locks+0x130/0x130 [ 389.087826] ? lock_release+0xa00/0xa00 [ 389.091804] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.097270] ? __might_sleep+0x95/0x190 [ 389.101271] __alloc_pages_nodemask+0xa80/0xde0 [ 389.105964] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 389.110991] ? __page_cache_alloc+0x191/0x5c0 [ 389.115490] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.120423] ? kasan_check_read+0x11/0x20 [ 389.124578] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.129863] ? zap_class+0x640/0x640 [ 389.133591] ? zap_class+0x640/0x640 [ 389.137306] ? zap_class+0x640/0x640 [ 389.141018] ? __do_page_cache_readahead+0x7ce/0x980 [ 389.146141] ? find_held_lock+0x36/0x1c0 [ 389.150227] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 389.155776] alloc_pages_current+0x173/0x350 [ 389.160200] __page_cache_alloc+0x38c/0x5c0 [ 389.164527] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.169459] ? kasan_check_read+0x11/0x20 [ 389.173612] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.178905] ? generic_perform_write+0x6a0/0x6a0 [ 389.183659] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.189201] ? check_preemption_disabled+0x48/0x280 [ 389.194234] filemap_fault+0x1594/0x25f0 [ 389.198317] ? __lock_page_or_retry+0xa00/0xa00 [ 389.202996] ? mark_held_locks+0x130/0x130 [ 389.207234] ? rcu_softirq_qs+0x20/0x20 [ 389.211238] ? filemap_map_pages+0xe04/0x1990 [ 389.215748] ? __free_object+0x173/0x340 [ 389.219813] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 389.224746] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.229856] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 389.234545] ? debug_object_free+0x32d/0x690 [ 389.238963] ? kasan_check_read+0x11/0x20 [ 389.243158] ? debug_object_destroy+0x2b0/0x2b0 [ 389.247835] ? lock_pi_update_atomic+0x150/0x150 [ 389.252589] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.258127] ? __hrtimer_init+0xdb/0x240 [ 389.262209] ? lock_acquire+0x1ed/0x520 [ 389.266187] ? ext4_filemap_fault+0x7a/0xad [ 389.270524] ? lock_release+0xa00/0xa00 [ 389.274505] ? perf_trace_sched_process_exec+0x860/0x860 [ 389.279989] ? print_usage_bug+0xc0/0xc0 [ 389.284067] ? print_usage_bug+0xc0/0xc0 [ 389.288143] ? down_read+0x8d/0x120 [ 389.291771] ? ext4_filemap_fault+0x7a/0xad [ 389.296093] ? __down_interruptible+0x700/0x700 [ 389.300800] ext4_filemap_fault+0x82/0xad [ 389.304957] __do_fault+0x100/0x6b0 [ 389.308590] ? pmd_devmap_trans_unstable+0x220/0x220 [ 389.313697] ? mark_held_locks+0x130/0x130 [ 389.317931] ? mark_held_locks+0x130/0x130 [ 389.322259] ? debug_smp_processor_id+0x1c/0x20 [ 389.326928] ? perf_trace_lock+0x14d/0x7a0 [ 389.331178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.336730] __handle_mm_fault+0x307c/0x5920 [ 389.341207] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 389.346062] ? lock_is_held_type+0x210/0x210 [ 389.350534] ? zap_class+0x640/0x640 [ 389.354252] ? zap_class+0x640/0x640 [ 389.357971] ? __x64_sys_futex+0x53e/0x6a0 [ 389.362218] ? find_held_lock+0x36/0x1c0 [ 389.366290] ? handle_mm_fault+0x42a/0xc70 [ 389.370530] ? lock_downgrade+0x900/0x900 [ 389.374675] ? check_preemption_disabled+0x48/0x280 [ 389.379719] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 389.384652] ? kasan_check_read+0x11/0x20 [ 389.388804] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.394084] ? rcu_softirq_qs+0x20/0x20 [ 389.398060] ? trace_hardirqs_off_caller+0x310/0x310 [ 389.403162] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.408722] ? check_preemption_disabled+0x48/0x280 [ 389.413747] handle_mm_fault+0x54f/0xc70 [ 389.417825] ? __handle_mm_fault+0x5920/0x5920 [ 389.422413] ? find_vma+0x34/0x190 [ 389.425966] __do_page_fault+0x5e8/0xe60 [ 389.430025] ? trace_hardirqs_off+0xb8/0x310 [ 389.434431] ? trace_hardirqs_off+0xb8/0x310 [ 389.438851] do_page_fault+0xf2/0x7e0 [ 389.442659] ? vmalloc_sync_all+0x30/0x30 [ 389.446809] ? error_entry+0x70/0xd0 [ 389.450529] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.455546] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.460478] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.465432] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.470274] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.475287] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.480741] ? prepare_exit_to_usermode+0x291/0x3b0 [ 389.485758] ? page_fault+0x8/0x30 [ 389.489310] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.494172] ? page_fault+0x8/0x30 [ 389.497732] page_fault+0x1e/0x30 [ 389.501184] RIP: 0033:0x45ddf3 [ 389.504394] Code: Bad RIP value. [ 389.507755] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 389.513120] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 389.520397] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 389.527678] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 389.534949] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 389.542223] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 389.549517] warn_alloc_show_mem: 1 callbacks suppressed [ 389.549530] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 389.549532] Mem-Info: [ 389.549563] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 389.549563] active_file:13 inactive_file:17 isolated_file:0 [ 389.549563] unevictable:0 dirty:0 writeback:0 unstable:0 [ 389.549563] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 389.549563] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 389.549563] free:13759 free_pcp:161 free_cma:0 [ 389.554911] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.561931] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 389.564329] Call Trace: [ 389.597308] Node 0 [ 389.606655] [ 389.634340] 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 [ 389.636899] dump_stack+0x244/0x39d [ 389.639109] lowmem_reserve[]: [ 389.641262] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.666734] 0 2819 [ 389.670383] warn_alloc.cold.117+0xb7/0x1bd [ 389.673485] 6323 [ 389.678672] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.680885] 6323 [ 389.685222] ? lock_downgrade+0x900/0x900 [ 389.685253] ? trace_hardirqs_off+0xb8/0x310 [ 389.687292] Node 0 [ 389.692151] ? trace_hardirqs_off+0xb8/0x310 [ 389.694224] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 389.698347] __alloc_pages_slowpath+0x2660/0x2d70 [ 389.702728] lowmem_reserve[]: [ 389.704989] ? warn_alloc+0x120/0x120 [ 389.709349] 0 0 [ 389.736419] ? warn_alloc+0x120/0x120 [ 389.741245] 3503 [ 389.744347] ? print_usage_bug+0xc0/0xc0 [ 389.748141] 3503 [ 389.750112] ? warn_alloc+0x120/0x120 [ 389.756001] ? print_usage_bug+0xc0/0xc0 [ 389.760044] Node 0 [ 389.762115] ? __lock_acquire+0x62f/0x4c20 [ 389.765924] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 389.769967] ? __lock_acquire+0x62f/0x4c20 [ 389.772187] lowmem_reserve[]: [ 389.776461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.804713] 0 0 [ 389.808980] ? should_fail+0x22d/0xd01 [ 389.812057] 0 [ 389.817597] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 389.819551] 0 [ 389.823439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.830516] ? __lock_acquire+0x62f/0x4c20 [ 389.832312] Node 0 [ 389.837438] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 389.841651] DMA: [ 389.843883] ? __lock_acquire+0x62f/0x4c20 [ 389.848973] 1*4kB [ 389.851030] ? should_fail+0x22d/0xd01 [ 389.855241] (U) [ 389.857388] ? rcu_irq_exit+0x1a2/0x390 [ 389.857412] ? mark_held_locks+0x130/0x130 [ 389.861271] 0*8kB 0*16kB [ 389.863267] ? mark_held_locks+0x130/0x130 [ 389.867215] 1*32kB (U) [ 389.871465] ? mark_held_locks+0xc7/0x130 [ 389.874203] 2*64kB (U) [ 389.878449] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 389.881012] 1*128kB [ 389.885157] ? zap_class+0x640/0x640 [ 389.887725] (U) [ 389.892735] ? print_usage_bug+0xc0/0xc0 [ 389.895041] 1*256kB [ 389.898758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.900716] (U) [ 389.904776] ? check_preemption_disabled+0x48/0x280 [ 389.907078] 0*512kB [ 389.912615] ? __lock_is_held+0xb5/0x140 [ 389.914565] 1*1024kB [ 389.919580] __alloc_pages_nodemask+0xa80/0xde0 [ 389.921881] (U) [ 389.925937] ? zap_class+0x640/0x640 [ 389.928337] 1*2048kB [ 389.933004] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 389.934959] (M) 3*4096kB (M) [ 389.938693] ? find_held_lock+0x36/0x1c0 [ 389.941078] = 15908kB [ 389.946090] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.949178] Node 0 [ 389.953241] ? lock_downgrade+0x900/0x900 [ 389.955633] DMA32: [ 389.960300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.962517] 5*4kB [ 389.966662] cache_grow_begin+0xa5/0x8c0 [ 389.968875] (UM) [ 389.974412] ? do_raw_spin_unlock+0xa7/0x330 [ 389.976544] 1*8kB [ 389.980604] fallback_alloc+0x204/0x2e0 [ 389.982644] (M) [ 389.987053] ____cache_alloc_node+0x1c7/0x1e0 [ 389.989198] 3*16kB [ 389.993160] kmem_cache_alloc_node+0xe3/0x730 [ 389.995111] (M) [ 389.999611] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.001831] 3*32kB [ 390.006331] __alloc_skb+0x119/0x770 [ 390.008280] (UM) [ 390.012522] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.014736] 2*64kB [ 390.018446] ? netdev_alloc_frag+0x1f0/0x1f0 [ 390.020485] (M) [ 390.025755] ? lock_downgrade+0x900/0x900 [ 390.027982] 2*128kB [ 390.032386] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.034340] (M) [ 390.038488] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.040790] 4*256kB [ 390.046327] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.048298] (M) [ 390.053742] ? addrconf_rs_timer+0x690/0x690 [ 390.056046] 4*512kB [ 390.061502] ndisc_alloc_skb+0x144/0x340 [ 390.063475] (UM) [ 390.067878] ndisc_send_rs+0x331/0x6e0 [ 390.070184] 3*1024kB [ 390.074244] addrconf_rs_timer+0x314/0x690 [ 390.076295] (UM) [ 390.080182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.082579] 3*2048kB [ 390.086820] call_timer_fn+0x272/0x920 [ 390.088854] (M) [ 390.093088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.095493] 3*4096kB [ 390.099378] ? process_timeout+0x40/0x40 [ 390.101336] (M) [ 390.105572] ? __run_timers+0x7da/0xc70 [ 390.107961] = 25132kB [ 390.112055] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.114009] Node 0 [ 390.117999] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.120388] Normal: [ 390.124879] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.127101] 951*4kB [ 390.131617] ? lockdep_hardirqs_on+0x296/0x5b0 [ 390.133921] (UMEH) [ 390.138149] ? trace_hardirqs_on+0xbd/0x310 [ 390.140462] 234*8kB (UME) [ 390.145052] ? kasan_check_read+0x11/0x20 [ 390.147294] 222*16kB [ 390.151611] ? __run_timers+0x7da/0xc70 [ 390.154433] (UMEH) [ 390.158584] ? trace_hardirqs_off_caller+0x310/0x310 [ 390.160986] 132*32kB [ 390.164958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.167178] (UM) [ 390.172281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.174669] 1*64kB [ 390.178899] __run_timers+0x7e5/0xc70 [ 390.180979] (H) [ 390.185231] ? timer_fixup_init+0x70/0x70 [ 390.187433] 0*128kB 0*256kB [ 390.191248] ? kasan_check_read+0x11/0x20 [ 390.193237] 1*512kB [ 390.197398] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.200394] (H) [ 390.204540] ? rcu_softirq_qs+0x20/0x20 [ 390.206846] 0*1024kB [ 390.212116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.214076] 0*2048kB [ 390.218049] ? check_preemption_disabled+0x48/0x280 [ 390.220441] 0*4096kB [ 390.226015] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.228413] = 14028kB [ 390.233428] ? retint_kernel+0x2d/0x2d [ 390.235822] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 390.240569] ? trace_hardirqs_on_caller+0xc0/0x310 [ 390.242982] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 390.246875] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 390.255690] 4244 total pagecache pages [ 390.260613] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.269179] 0 pages in swap cache [ 390.273920] ? zap_class+0x640/0x640 [ 390.277792] Swap cache stats: add 0, delete 0, find 0/0 [ 390.283237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.286675] Free swap = 0kB [ 390.290401] ? check_preemption_disabled+0x48/0x280 [ 390.295745] Total swap = 0kB [ 390.301285] ? __lock_is_held+0xb5/0x140 [ 390.304277] 1965979 pages RAM [ 390.309290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.312286] 0 pages HighMem/MovableOnly [ 390.312295] 342293 pages reserved [ 390.316350] ? check_preemption_disabled+0x48/0x280 [ 390.319435] 0 pages cma reserved [ 390.324988] run_timer_softirq+0x52/0xb0 [ 390.329156] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.332394] ? rcu_read_lock_sched_held+0x14f/0x180 [ 390.337589] syz-fuzzer: page allocation failure: order:1, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.340763] __do_softirq+0x308/0xb7e [ 390.344806] syz-fuzzer cpuset= [ 390.351295] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 390.356292] / [ 390.366545] ? lock_downgrade+0x900/0x900 [ 390.370340] mems_allowed=0 [ 390.373542] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 390.391862] ? pvclock_read_flags+0x160/0x160 [ 390.396363] ? lapic_next_event+0x5a/0x90 [ 390.400525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.406068] ? kvm_clock_read+0x18/0x30 [ 390.410073] ? kvm_sched_clock_read+0x9/0x20 [ 390.414499] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.420042] ? check_preemption_disabled+0x48/0x280 [ 390.425076] irq_exit+0x17f/0x1c0 [ 390.428537] smp_apic_timer_interrupt+0x1cb/0x760 [ 390.433380] ? smp_reschedule_interrupt+0x109/0x650 [ 390.438407] ? smp_call_function_single_interrupt+0x650/0x650 [ 390.444300] ? interrupt_entry+0xb5/0xc0 [ 390.448367] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.453385] ? trace_hardirqs_off_caller+0xbb/0x310 [ 390.458406] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.463254] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.468268] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.473293] ? task_prio+0x50/0x50 [ 390.476836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.482374] ? check_preemption_disabled+0x48/0x280 [ 390.487398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.492254] apic_timer_interrupt+0xf/0x20 [ 390.496484] [ 390.498727] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 390.503661] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 390.522561] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 390.530280] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 390.537547] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 390.544814] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 390.552078] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 390.559344] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 390.566667] skb_clone+0x1bb/0x500 [ 390.570212] ? finish_task_switch+0x2f4/0x910 [ 390.574710] ? skb_split+0x11e0/0x11e0 [ 390.578603] ? preempt_notifier_register+0x200/0x200 [ 390.583710] ? __switch_to_asm+0x34/0x70 [ 390.587773] ? __switch_to_asm+0x34/0x70 [ 390.591837] ? __switch_to_asm+0x40/0x70 [ 390.595897] ? __switch_to_asm+0x34/0x70 [ 390.599956] ? __switch_to_asm+0x40/0x70 [ 390.604017] ? __switch_to_asm+0x34/0x70 [ 390.608087] ? __switch_to_asm+0x40/0x70 [ 390.612151] ? __switch_to_asm+0x34/0x70 [ 390.616699] ? __switch_to_asm+0x34/0x70 [ 390.620765] ? __switch_to_asm+0x40/0x70 [ 390.624838] ? __switch_to_asm+0x34/0x70 [ 390.628933] bpf_clone_redirect+0xb9/0x490 [ 390.633171] ? __schedule+0x8d7/0x21d0 [ 390.637090] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 390.642110] ? __sched_text_start+0x8/0x8 [ 390.646271] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 390.650857] ? find_held_lock+0x36/0x1c0 [ 390.654940] ? lock_acquire+0x1ed/0x520 [ 390.658937] ? bpf_test_run+0x3cb/0x780 [ 390.662916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.668464] ? check_preemption_disabled+0x48/0x280 [ 390.673499] ? kasan_check_read+0x11/0x20 [ 390.677658] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 390.682938] ? rcu_softirq_qs+0x20/0x20 [ 390.686920] ? preempt_schedule+0x4d/0x60 [ 390.691070] ? ___preempt_schedule+0x16/0x18 [ 390.695496] ? bpf_test_run+0x25d/0x780 [ 390.699503] ? netlink_diag_dump+0x2a0/0x2a0 [ 390.703914] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 390.708676] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 390.713443] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.718309] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 390.723864] ? fput+0x130/0x1a0 [ 390.727154] ? __bpf_prog_get+0x9b/0x290 [ 390.731219] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 390.736061] ? bpf_prog_test_run+0x130/0x1a0 [ 390.740482] ? __x64_sys_bpf+0x3d8/0x520 [ 390.744569] ? bpf_prog_get+0x20/0x20 [ 390.748395] ? do_syscall_64+0x1b9/0x820 [ 390.752463] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 390.757835] ? syscall_return_slowpath+0x5e0/0x5e0 [ 390.762780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.767627] ? trace_hardirqs_on_caller+0x310/0x310 [ 390.772658] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 390.777675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.783225] ? prepare_exit_to_usermode+0x291/0x3b0 [ 390.788248] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 390.793101] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 390.798495] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 390.798579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 390.805203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.805212] Call Trace: [ 390.811818] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 390.821052] [ 390.821070] dump_stack+0x244/0x39d [ 390.823639] syz-executor3 cpuset= [ 390.834119] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.836248] syz3 [ 390.839885] warn_alloc.cold.117+0xb7/0x1bd [ 390.843314] mems_allowed=0 [ 390.848493] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.862522] ? lock_downgrade+0x900/0x900 [ 390.866676] ? trace_hardirqs_off+0xb8/0x310 [ 390.871091] ? trace_hardirqs_off+0xb8/0x310 [ 390.875510] __alloc_pages_slowpath+0x2660/0x2d70 [ 390.880391] ? zap_class+0x640/0x640 [ 390.884123] ? warn_alloc+0x120/0x120 [ 390.887923] ? mark_held_locks+0x130/0x130 [ 390.892167] ? warn_alloc+0x120/0x120 [ 390.895984] ? print_usage_bug+0xc0/0xc0 [ 390.900057] ? warn_alloc+0x120/0x120 [ 390.903890] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.909445] ? print_usage_bug+0xc0/0xc0 [ 390.913521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.919063] ? should_fail+0x22d/0xd01 [ 390.922948] ? __lock_acquire+0x62f/0x4c20 [ 390.927216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.932333] ? __lock_acquire+0x62f/0x4c20 [ 390.936579] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.941681] ? __lock_acquire+0x62f/0x4c20 [ 390.945926] ? should_fail+0x22d/0xd01 [ 390.949830] ? mark_held_locks+0x130/0x130 [ 390.954071] ? mark_held_locks+0x130/0x130 [ 390.958307] ? __lock_acquire+0x62f/0x4c20 [ 390.962548] ? find_held_lock+0x36/0x1c0 [ 390.966618] ? zap_class+0x640/0x640 [ 390.970344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.975885] ? check_preemption_disabled+0x48/0x280 [ 390.980913] ? __lock_is_held+0xb5/0x140 [ 390.984983] __alloc_pages_nodemask+0xa80/0xde0 [ 390.989656] ? zap_class+0x640/0x640 [ 390.993380] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 390.998410] ? find_held_lock+0x36/0x1c0 [ 391.002482] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.007154] ? lock_downgrade+0x900/0x900 [ 391.011316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.016899] cache_grow_begin+0xa5/0x8c0 [ 391.021025] ? do_raw_spin_unlock+0xa7/0x330 [ 391.025442] fallback_alloc+0x204/0x2e0 [ 391.029423] ____cache_alloc_node+0x1c7/0x1e0 [ 391.033929] __kmalloc+0x208/0x760 [ 391.037490] ? __neigh_create+0x30b/0x2130 [ 391.041733] __neigh_create+0x30b/0x2130 [ 391.045802] ? __local_bh_enable_ip+0x160/0x260 [ 391.050477] ? __local_bh_enable_ip+0x160/0x260 [ 391.055162] ? mark_held_locks+0x130/0x130 [ 391.059403] ? __local_bh_enable_ip+0x160/0x260 [ 391.064075] ? neigh_hash_alloc+0x1e0/0x1e0 [ 391.068395] ? zap_class+0x640/0x640 [ 391.072111] ? trace_hardirqs_on+0xbd/0x310 [ 391.076435] ? mark_held_locks+0xc7/0x130 [ 391.080594] ? ip6t_do_table+0xd9e/0x1d30 [ 391.084747] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.089854] ? __local_bh_enable_ip+0x160/0x260 [ 391.094530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.100076] ? lock_acquire+0x1ed/0x520 [ 391.104054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.109591] ? check_preemption_disabled+0x48/0x280 [ 391.114617] ? rcu_lockdep_current_cpu_online+0x1a4/0x210 [ 391.120160] ? rcu_pm_notify+0xc0/0xc0 [ 391.124058] ? zap_class+0x640/0x640 [ 391.127773] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 391.132987] ip6_finish_output2+0xa59/0x27a0 [ 391.137416] ? ip6_copy_metadata+0xe30/0xe30 [ 391.141834] ? ip6_mtu+0x39c/0x520 [ 391.145389] ? lock_downgrade+0x900/0x900 [ 391.149539] ? check_preemption_disabled+0x48/0x280 [ 391.154561] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.159490] ? kasan_check_read+0x11/0x20 [ 391.163640] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.168917] ? rcu_softirq_qs+0x20/0x20 [ 391.172905] ? ip6_mtu+0x160/0x520 [ 391.176453] ? find_match+0x10a0/0x10a0 [ 391.180428] ? kasan_check_read+0x11/0x20 [ 391.184577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.189861] ip6_finish_output+0x58c/0xc60 [ 391.194098] ? ip6_finish_output+0x58c/0xc60 [ 391.198519] ip6_output+0x232/0x9d0 [ 391.202174] ? ip6_finish_output+0xc60/0xc60 [ 391.206605] ? ip6_fragment+0x38e0/0x38e0 [ 391.210755] ? __lock_is_held+0xb5/0x140 [ 391.214835] ndisc_send_skb+0x1005/0x1570 [ 391.219005] ? nf_hook.constprop.33+0x860/0x860 [ 391.223677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.229223] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.234679] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.240144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.245691] ndisc_send_rs+0x134/0x6e0 [ 391.249589] addrconf_rs_timer+0x314/0x690 [ 391.253845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.258098] call_timer_fn+0x272/0x920 [ 391.261989] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.266233] ? process_timeout+0x40/0x40 [ 391.270310] ? mark_held_locks+0xc7/0x130 [ 391.274467] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.278967] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.283462] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.287704] ? lockdep_hardirqs_on+0x296/0x5b0 [ 391.292289] ? trace_hardirqs_on+0xbd/0x310 [ 391.296611] ? kasan_check_read+0x11/0x20 [ 391.300762] ? __run_timers+0x7da/0xc70 [ 391.304737] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.309847] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.314093] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.318355] __run_timers+0x7e5/0xc70 [ 391.322194] ? timer_fixup_init+0x70/0x70 [ 391.326351] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.331391] ? zap_class+0x640/0x640 [ 391.335111] ? print_usage_bug+0xc0/0xc0 [ 391.339208] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.344403] ? find_held_lock+0x36/0x1c0 [ 391.348488] ? zap_class+0x640/0x640 [ 391.352227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.357766] ? check_preemption_disabled+0x48/0x280 [ 391.362798] ? __lock_is_held+0xb5/0x140 [ 391.366877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.372416] ? check_preemption_disabled+0x48/0x280 [ 391.377440] run_timer_softirq+0x52/0xb0 [ 391.381514] ? rcu_read_lock_sched_held+0x14f/0x180 [ 391.386536] __do_softirq+0x308/0xb7e [ 391.390345] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 391.394838] ? lock_downgrade+0x900/0x900 [ 391.398991] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 391.404103] ? pvclock_read_flags+0x160/0x160 [ 391.408600] ? lapic_next_event+0x5a/0x90 [ 391.412752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.418296] ? kvm_clock_read+0x18/0x30 [ 391.422272] ? kvm_sched_clock_read+0x9/0x20 [ 391.426686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.432224] ? check_preemption_disabled+0x48/0x280 [ 391.437256] irq_exit+0x17f/0x1c0 [ 391.440715] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.445563] ? smp_reschedule_interrupt+0x109/0x650 [ 391.450585] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.456494] ? interrupt_entry+0xb5/0xc0 [ 391.460561] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.465579] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.470600] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.475447] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.480471] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.485504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.490363] apic_timer_interrupt+0xf/0x20 [ 391.494596] [ 391.496838] RIP: 0010:dump_stack+0x358/0x39d [ 391.501248] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 391.520149] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 391.527890] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 391.535157] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 391.542424] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 391.549691] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 391.556963] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 391.564270] ? dump_stack+0x34f/0x39d [ 391.568098] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.573333] dump_header+0x27b/0xf72 [ 391.577062] ? mark_held_locks+0x130/0x130 [ 391.581320] ? pagefault_out_of_memory+0x197/0x197 [ 391.586269] ? __lock_acquire+0x62f/0x4c20 [ 391.590500] ? zap_class+0x640/0x640 [ 391.594237] ? percpu_ref_get_many+0x240/0x240 [ 391.598819] ? print_usage_bug+0xc0/0xc0 [ 391.602880] ? print_usage_bug+0xc0/0xc0 [ 391.606951] ? zap_class+0x640/0x640 [ 391.610674] ? print_usage_bug+0xc0/0xc0 [ 391.614735] ? print_usage_bug+0xc0/0xc0 [ 391.618808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.624352] ? find_held_lock+0x36/0x1c0 [ 391.628426] ? mark_held_locks+0xc7/0x130 [ 391.632576] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.637695] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 391.642800] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 391.647389] ? trace_hardirqs_on+0xbd/0x310 [ 391.651712] ? kasan_check_read+0x11/0x20 [ 391.655859] ? ___ratelimit+0x3b4/0x672 [ 391.659835] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.664940] ? trace_hardirqs_on+0x310/0x310 [ 391.669354] ? lock_downgrade+0x900/0x900 [ 391.673509] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 391.678620] ? ___ratelimit+0x3b9/0x672 [ 391.682601] ? idr_get_free+0xec0/0xec0 [ 391.686598] ? find_held_lock+0x36/0x1c0 [ 391.690683] oom_kill_process.cold.27+0x10/0x903 [ 391.695454] ? zap_class+0x640/0x640 [ 391.699172] ? check_preemption_disabled+0x48/0x280 [ 391.704210] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.709142] ? kasan_check_read+0x11/0x20 [ 391.713298] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.718622] ? oom_evaluate_task+0x540/0x540 [ 391.723514] ? find_held_lock+0x36/0x1c0 [ 391.727592] ? out_of_memory+0x974/0x1430 [ 391.731745] ? lock_downgrade+0x900/0x900 [ 391.735889] ? check_preemption_disabled+0x48/0x280 [ 391.740915] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.745843] ? kasan_check_read+0x11/0x20 [ 391.749992] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.755274] ? rcu_softirq_qs+0x20/0x20 [ 391.759253] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.764791] ? oom_evaluate_task+0x302/0x540 [ 391.769212] out_of_memory+0xa84/0x1430 [ 391.773209] ? oom_killer_disable+0x3a0/0x3a0 [ 391.777711] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 391.782643] ? __mutex_add_waiter+0x2a0/0x2a0 [ 391.787152] __alloc_pages_slowpath+0x22d4/0x2d70 [ 391.792054] ? warn_alloc+0x120/0x120 [ 391.795854] ? rcu_softirq_qs+0x20/0x20 [ 391.799863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.805400] ? should_fail+0x22d/0xd01 [ 391.809292] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.814422] ? zap_class+0x640/0x640 [ 391.818160] ? __lock_is_held+0xb5/0x140 [ 391.822239] ? mark_held_locks+0x130/0x130 [ 391.826477] ? lock_release+0xa00/0xa00 [ 391.830469] ? perf_trace_sched_process_exec+0x860/0x860 [ 391.835937] ? __might_sleep+0x95/0x190 [ 391.839924] __alloc_pages_nodemask+0xa80/0xde0 [ 391.844604] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 391.849621] ? __page_cache_alloc+0x191/0x5c0 [ 391.854145] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.859073] ? kasan_check_read+0x11/0x20 [ 391.863227] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.868509] ? zap_class+0x640/0x640 [ 391.872233] ? zap_class+0x640/0x640 [ 391.875946] ? zap_class+0x640/0x640 [ 391.879666] ? __do_page_cache_readahead+0x7ce/0x980 [ 391.884775] ? find_held_lock+0x36/0x1c0 [ 391.888843] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 391.894389] alloc_pages_current+0x173/0x350 [ 391.898805] __page_cache_alloc+0x38c/0x5c0 [ 391.903133] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 391.908071] ? kasan_check_read+0x11/0x20 [ 391.912231] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 391.917515] ? generic_perform_write+0x6a0/0x6a0 [ 391.922283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.927853] ? check_preemption_disabled+0x48/0x280 [ 391.932878] filemap_fault+0x1594/0x25f0 [ 391.936963] ? __lock_page_or_retry+0xa00/0xa00 [ 391.941640] ? mark_held_locks+0x130/0x130 [ 391.945877] ? rcu_softirq_qs+0x20/0x20 [ 391.949867] ? filemap_map_pages+0xe04/0x1990 [ 391.954391] ? __free_object+0x173/0x340 [ 391.958454] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 391.963387] ? trace_hardirqs_off_caller+0x310/0x310 [ 391.968494] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 391.973177] ? debug_object_free+0x32d/0x690 [ 391.977590] ? kasan_check_read+0x11/0x20 [ 391.981741] ? debug_object_destroy+0x2b0/0x2b0 [ 391.986416] ? lock_pi_update_atomic+0x150/0x150 [ 391.991174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.996717] ? __hrtimer_init+0xdb/0x240 [ 392.000790] ? lock_acquire+0x1ed/0x520 [ 392.004769] ? ext4_filemap_fault+0x7a/0xad [ 392.009100] ? lock_release+0xa00/0xa00 [ 392.013086] ? perf_trace_sched_process_exec+0x860/0x860 [ 392.018538] ? print_usage_bug+0xc0/0xc0 [ 392.022603] ? print_usage_bug+0xc0/0xc0 [ 392.026681] ? down_read+0x8d/0x120 [ 392.030306] ? ext4_filemap_fault+0x7a/0xad [ 392.034628] ? __down_interruptible+0x700/0x700 [ 392.039309] ext4_filemap_fault+0x82/0xad [ 392.043462] __do_fault+0x100/0x6b0 [ 392.047096] ? pmd_devmap_trans_unstable+0x220/0x220 [ 392.052220] ? mark_held_locks+0x130/0x130 [ 392.056472] ? mark_held_locks+0x130/0x130 [ 392.060712] ? debug_smp_processor_id+0x1c/0x20 [ 392.065380] ? perf_trace_lock+0x14d/0x7a0 [ 392.069619] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.075162] __handle_mm_fault+0x307c/0x5920 [ 392.079585] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 392.084432] ? lock_is_held_type+0x210/0x210 [ 392.088874] ? zap_class+0x640/0x640 [ 392.092588] ? zap_class+0x640/0x640 [ 392.096314] ? __x64_sys_futex+0x53e/0x6a0 [ 392.100582] ? find_held_lock+0x36/0x1c0 [ 392.104656] ? handle_mm_fault+0x42a/0xc70 [ 392.108913] ? lock_downgrade+0x900/0x900 [ 392.113060] ? check_preemption_disabled+0x48/0x280 [ 392.118085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 392.123030] ? kasan_check_read+0x11/0x20 [ 392.127201] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.132486] ? rcu_softirq_qs+0x20/0x20 [ 392.136461] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.141570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.147108] ? check_preemption_disabled+0x48/0x280 [ 392.152135] handle_mm_fault+0x54f/0xc70 [ 392.156208] ? __handle_mm_fault+0x5920/0x5920 [ 392.160796] ? find_vma+0x34/0x190 [ 392.164361] __do_page_fault+0x5e8/0xe60 [ 392.168420] ? trace_hardirqs_off+0xb8/0x310 [ 392.172830] ? trace_hardirqs_off+0xb8/0x310 [ 392.177265] do_page_fault+0xf2/0x7e0 [ 392.181070] ? vmalloc_sync_all+0x30/0x30 [ 392.185242] ? error_entry+0x70/0xd0 [ 392.188965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 392.193983] ? trace_hardirqs_on_caller+0xc0/0x310 [ 392.198914] ? syscall_return_slowpath+0x5e0/0x5e0 [ 392.203846] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.208688] ? trace_hardirqs_on_caller+0x310/0x310 [ 392.213711] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.219179] ? prepare_exit_to_usermode+0x291/0x3b0 [ 392.224238] ? page_fault+0x8/0x30 [ 392.227781] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 392.232633] ? page_fault+0x8/0x30 [ 392.236196] page_fault+0x1e/0x30 [ 392.239654] RIP: 0033:0x45ddf3 [ 392.242904] Code: Bad RIP value. [ 392.246263] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 392.251632] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 392.258920] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 392.266195] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 392.273462] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 392.280729] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 392.288048] warn_alloc_show_mem: 1 callbacks suppressed [ 392.288061] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 392.288063] Mem-Info: [ 392.288094] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 392.288094] active_file:13 inactive_file:17 isolated_file:0 [ 392.288094] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.288094] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 392.288094] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 392.288094] free:13759 free_pcp:161 free_cma:0 [ 392.293443] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.300461] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.302871] Call Trace: [ 392.335831] Node 0 [ 392.345180] [ 392.372866] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 392.375434] dump_stack+0x244/0x39d [ 392.377644] lowmem_reserve[]: [ 392.379792] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.405262] 0 2819 [ 392.408938] warn_alloc.cold.117+0xb7/0x1bd [ 392.412009] 6323 [ 392.417195] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.419415] 6323 [ 392.423734] ? lock_downgrade+0x900/0x900 [ 392.430623] ? trace_hardirqs_off+0xb8/0x310 [ 392.432676] Node 0 [ 392.436821] ? trace_hardirqs_off+0xb8/0x310 [ 392.441249] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 392.443482] __alloc_pages_slowpath+0x2660/0x2d70 [ 392.447856] lowmem_reserve[]: 0 [ 392.474616] ? warn_alloc+0x120/0x120 [ 392.479398] 0 [ 392.482674] ? warn_alloc+0x120/0x120 [ 392.486451] 3503 [ 392.488254] ? print_usage_bug+0xc0/0xc0 [ 392.492034] 3503 [ 392.494094] ? warn_alloc+0x120/0x120 [ 392.500192] ? print_usage_bug+0xc0/0xc0 [ 392.503982] Node 0 Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 392.508064] ? __lock_acquire+0x62f/0x4c20 [ 392.508079] ? __lock_acquire+0x62f/0x4c20 [ 392.536948] lowmem_reserve[]: [ 392.541185] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.545416] 0 [ 392.548539] ? should_fail+0x22d/0xd01 [ 392.554043] 0 0 [ 392.555911] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.559771] 0 [ 392.561755] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.567035] Node 0 [ 392.568856] ? __lock_acquire+0x62f/0x4c20 [ 392.573941] DMA: [ 392.576176] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.580395] 1*4kB [ 392.582459] ? __lock_acquire+0x62f/0x4c20 [ 392.587532] (U) [ 392.589693] ? should_fail+0x22d/0xd01 [ 392.593913] 0*8kB [ 392.595900] ? rcu_irq_exit+0x1a2/0x390 [ 392.599769] 0*16kB [ 392.601921] ? mark_held_locks+0x130/0x130 [ 392.605869] 1*32kB [ 392.608124] ? mark_held_locks+0x130/0x130 [ 392.612349] (U) [ 392.615058] ? mark_held_locks+0xc7/0x130 [ 392.619272] 2*64kB [ 392.621252] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 392.625377] (U) [ 392.627622] ? zap_class+0x640/0x640 [ 392.632612] 1*128kB (U) [ 392.634612] ? print_usage_bug+0xc0/0xc0 [ 392.638306] 1*256kB [ 392.640977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.645014] (U) [ 392.647336] ? check_preemption_disabled+0x48/0x280 [ 392.652847] 0*512kB 1*1024kB [ 392.654850] ? __lock_is_held+0xb5/0x140 [ 392.659838] (U) [ 392.662940] __alloc_pages_nodemask+0xa80/0xde0 [ 392.666973] 1*2048kB (M) [ 392.668954] ? zap_class+0x640/0x640 [ 392.673605] 3*4096kB (M) [ 392.676397] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 392.680077] = 15908kB [ 392.682840] ? find_held_lock+0x36/0x1c0 [ 392.687829] Node 0 [ 392.690253] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.694299] DMA32: [ 392.696533] ? lock_downgrade+0x900/0x900 [ 392.701183] 5*4kB [ 392.703430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.707551] (UM) [ 392.709698] cache_grow_begin+0xa5/0x8c0 [ 392.715212] 1*8kB [ 392.717269] ? do_raw_spin_unlock+0xa7/0x330 [ 392.721309] (M) [ 392.723513] fallback_alloc+0x204/0x2e0 [ 392.727890] 3*16kB (M) [ 392.729879] ____cache_alloc_node+0x1c7/0x1e0 [ 392.733825] 3*32kB (UM) [ 392.736422] kmem_cache_alloc_node+0xe3/0x730 [ 392.740895] 2*64kB [ 392.743562] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.748036] (M) [ 392.750279] __alloc_skb+0x119/0x770 [ 392.754489] 2*128kB [ 392.756472] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.760146] (M) 4*256kB [ 392.762483] ? netdev_alloc_frag+0x1f0/0x1f0 [ 392.767735] (M) [ 392.770404] ? lock_downgrade+0x900/0x900 [ 392.774793] 4*512kB (UM) [ 392.776786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.780902] 3*1024kB (UM) [ 392.783672] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.789209] 3*2048kB (M) [ 392.792556] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.797981] 3*4096kB (M) [ 392.800744] ? addrconf_rs_timer+0x690/0x690 [ 392.806174] = 25132kB [ 392.808942] ndisc_alloc_skb+0x144/0x340 [ 392.813325] Node 0 [ 392.815765] ndisc_send_rs+0x331/0x6e0 [ 392.819807] Normal: [ 392.822070] addrconf_rs_timer+0x314/0x690 [ 392.825937] 951*4kB [ 392.828259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.832470] (UMEH) [ 392.834806] call_timer_fn+0x272/0x920 [ 392.839022] 234*8kB (UME) [ 392.841287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.845152] 222*16kB (UMEH) [ 392.848004] ? process_timeout+0x40/0x40 [ 392.852216] 132*32kB (UM) [ 392.855243] ? __run_timers+0x7da/0xc70 [ 392.859288] 1*64kB [ 392.862134] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.866082] (H) [ 392.868316] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.872810] 0*128kB [ 392.874781] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.879254] 0*256kB [ 392.881591] ? lockdep_hardirqs_on+0x296/0x5b0 [ 392.885823] 1*512kB (H) [ 392.888157] ? trace_hardirqs_on+0xbd/0x310 [ 392.892715] 0*1024kB [ 392.895388] ? kasan_check_read+0x11/0x20 [ 392.899687] 0*2048kB [ 392.902109] ? __run_timers+0x7da/0xc70 [ 392.906264] 0*4096kB [ 392.908681] ? trace_hardirqs_off_caller+0x310/0x310 [ 392.912630] = 14028kB [ 392.912645] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.915044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.920134] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.922537] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.931357] 4244 total pagecache pages [ 392.935586] __run_timers+0x7e5/0xc70 [ 392.944146] 0 pages in swap cache [ 392.948380] ? timer_fixup_init+0x70/0x70 [ 392.952261] Swap cache stats: add 0, delete 0, find 0/0 [ 392.956052] ? kasan_check_read+0x11/0x20 [ 392.959483] Free swap = 0kB [ 392.963628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 392.968975] Total swap = 0kB [ 392.973116] ? rcu_softirq_qs+0x20/0x20 [ 392.976114] 1965979 pages RAM [ 392.981387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.984387] 0 pages HighMem/MovableOnly [ 392.988359] ? check_preemption_disabled+0x48/0x280 [ 392.991442] 342293 pages reserved [ 392.996987] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.000934] 0 pages cma reserved [ 393.005945] ? retint_kernel+0x2d/0x2d [ 393.009604] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.014145] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.017492] syz-fuzzer cpuset= [ 393.021374] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 393.031576] / [ 393.036501] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.039677] mems_allowed=0 [ 393.044424] ? zap_class+0x640/0x640 [ 393.058197] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.063735] ? check_preemption_disabled+0x48/0x280 [ 393.068763] ? __lock_is_held+0xb5/0x140 [ 393.072828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.078366] ? check_preemption_disabled+0x48/0x280 [ 393.083415] run_timer_softirq+0x52/0xb0 [ 393.087483] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.092507] __do_softirq+0x308/0xb7e [ 393.096315] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.100811] ? lock_downgrade+0x900/0x900 [ 393.104965] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.110089] ? pvclock_read_flags+0x160/0x160 [ 393.114604] ? lapic_next_event+0x5a/0x90 [ 393.118756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.124304] ? kvm_clock_read+0x18/0x30 [ 393.128279] ? kvm_sched_clock_read+0x9/0x20 [ 393.132693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.138230] ? check_preemption_disabled+0x48/0x280 [ 393.143266] irq_exit+0x17f/0x1c0 [ 393.146727] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.151570] ? smp_reschedule_interrupt+0x109/0x650 [ 393.156603] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.162508] ? interrupt_entry+0xb5/0xc0 [ 393.166572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.171592] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.176611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.181480] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.186497] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.191538] ? task_prio+0x50/0x50 [ 393.195078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.200621] ? check_preemption_disabled+0x48/0x280 [ 393.205649] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.210505] apic_timer_interrupt+0xf/0x20 [ 393.214750] [ 393.217020] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.221948] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 393.240853] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.248563] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.255836] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 393.263105] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 393.270379] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.277643] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 393.284967] skb_clone+0x1bb/0x500 [ 393.288513] ? finish_task_switch+0x2f4/0x910 [ 393.293020] ? skb_split+0x11e0/0x11e0 [ 393.296913] ? preempt_notifier_register+0x200/0x200 [ 393.302019] ? __switch_to_asm+0x34/0x70 [ 393.306083] ? __switch_to_asm+0x34/0x70 [ 393.310159] ? __switch_to_asm+0x40/0x70 [ 393.314220] ? __switch_to_asm+0x34/0x70 [ 393.318278] ? __switch_to_asm+0x40/0x70 [ 393.322334] ? __switch_to_asm+0x34/0x70 [ 393.326395] ? __switch_to_asm+0x40/0x70 [ 393.330473] ? __switch_to_asm+0x34/0x70 [ 393.334565] ? __switch_to_asm+0x34/0x70 [ 393.338627] ? __switch_to_asm+0x40/0x70 [ 393.342685] ? __switch_to_asm+0x34/0x70 [ 393.346757] bpf_clone_redirect+0xb9/0x490 [ 393.351004] ? __schedule+0x8d7/0x21d0 [ 393.354919] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 393.359954] ? __sched_text_start+0x8/0x8 [ 393.364114] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 393.368700] ? find_held_lock+0x36/0x1c0 [ 393.372770] ? lock_acquire+0x1ed/0x520 [ 393.376747] ? bpf_test_run+0x3cb/0x780 [ 393.380721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.386289] ? check_preemption_disabled+0x48/0x280 [ 393.391312] ? kasan_check_read+0x11/0x20 [ 393.395471] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.400754] ? rcu_softirq_qs+0x20/0x20 [ 393.404734] ? preempt_schedule+0x4d/0x60 [ 393.408888] ? ___preempt_schedule+0x16/0x18 [ 393.413304] ? bpf_test_run+0x25d/0x780 [ 393.417292] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.421706] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 393.426476] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 393.431243] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.436084] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.441626] ? fput+0x130/0x1a0 [ 393.444915] ? __bpf_prog_get+0x9b/0x290 [ 393.448981] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 393.453823] ? bpf_prog_test_run+0x130/0x1a0 [ 393.458240] ? __x64_sys_bpf+0x3d8/0x520 [ 393.462315] ? bpf_prog_get+0x20/0x20 [ 393.466142] ? do_syscall_64+0x1b9/0x820 [ 393.470225] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.475602] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.480530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.485374] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.490393] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.495409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.500970] ? prepare_exit_to_usermode+0x291/0x3b0 [ 393.505993] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.510847] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.516231] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 393.516337] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.522908] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.522913] Call Trace: [ 393.522921] [ 393.522939] dump_stack+0x244/0x39d [ 393.522975] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.529538] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.538803] warn_alloc.cold.117+0xb7/0x1bd [ 393.541359] syz-executor3 cpuset= [ 393.543511] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.547139] syz3 [ 393.552339] ? lock_downgrade+0x900/0x900 [ 393.562806] mems_allowed=0 [ 393.567144] ? trace_hardirqs_off+0xb8/0x310 [ 393.588822] ? trace_hardirqs_off+0xb8/0x310 [ 393.593246] __alloc_pages_slowpath+0x2660/0x2d70 [ 393.598119] ? ndisc_send_skb+0x1005/0x1570 [ 393.602446] ? warn_alloc+0x120/0x120 [ 393.606253] ? __alloc_pages_slowpath+0x22d4/0x2d70 [ 393.611270] ? alloc_pages_current+0x173/0x350 [ 393.615852] ? warn_alloc+0x120/0x120 [ 393.619656] ? print_usage_bug+0xc0/0xc0 [ 393.623735] ? warn_alloc+0x120/0x120 [ 393.627537] ? print_usage_bug+0xc0/0xc0 [ 393.631603] ? __lock_acquire+0x62f/0x4c20 [ 393.635838] ? __lock_acquire+0x62f/0x4c20 [ 393.640078] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.645619] ? should_fail+0x22d/0xd01 [ 393.649515] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.654618] ? __lock_acquire+0x62f/0x4c20 [ 393.658859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.663969] ? __lock_acquire+0x62f/0x4c20 [ 393.668209] ? should_fail+0x22d/0xd01 [ 393.672113] ? mark_held_locks+0x130/0x130 [ 393.676353] ? mark_held_locks+0x130/0x130 [ 393.680606] ? ip6_finish_output2+0x1d6b/0x27a0 [ 393.685306] ? __kfree_skb+0x20/0x20 [ 393.689021] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.693606] ? zap_class+0x640/0x640 [ 393.697344] ? print_usage_bug+0xc0/0xc0 [ 393.701408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.706947] ? check_preemption_disabled+0x48/0x280 [ 393.711983] ? __lock_is_held+0xb5/0x140 [ 393.716058] __alloc_pages_nodemask+0xa80/0xde0 [ 393.720731] ? zap_class+0x640/0x640 [ 393.724977] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 393.730010] ? find_held_lock+0x36/0x1c0 [ 393.734079] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.738753] ? lock_downgrade+0x900/0x900 [ 393.742910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.748453] cache_grow_begin+0xa5/0x8c0 [ 393.752533] ? do_raw_spin_unlock+0xa7/0x330 [ 393.756959] fallback_alloc+0x204/0x2e0 [ 393.760940] ____cache_alloc_node+0x1c7/0x1e0 [ 393.765447] kmem_cache_alloc_node+0xe3/0x730 [ 393.769943] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.774205] __alloc_skb+0x119/0x770 [ 393.777937] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 393.783246] ? netdev_alloc_frag+0x1f0/0x1f0 [ 393.787655] ? lock_downgrade+0x900/0x900 [ 393.791836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.797377] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.802837] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.808289] ? addrconf_rs_timer+0x690/0x690 [ 393.812727] ndisc_alloc_skb+0x144/0x340 [ 393.816823] ndisc_send_rs+0x331/0x6e0 [ 393.820719] addrconf_rs_timer+0x314/0x690 [ 393.824969] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.829228] call_timer_fn+0x272/0x920 [ 393.833118] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.837351] ? process_timeout+0x40/0x40 [ 393.841422] ? mark_held_locks+0xc7/0x130 [ 393.845577] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.850072] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.854568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.858811] ? lockdep_hardirqs_on+0x296/0x5b0 [ 393.863413] ? trace_hardirqs_on+0xbd/0x310 [ 393.867736] ? kasan_check_read+0x11/0x20 [ 393.871889] ? __run_timers+0x7da/0xc70 [ 393.875865] ? trace_hardirqs_off_caller+0x310/0x310 [ 393.880993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.885232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.889470] __run_timers+0x7e5/0xc70 [ 393.893314] ? timer_fixup_init+0x70/0x70 [ 393.897480] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 393.902498] ? zap_class+0x640/0x640 [ 393.906223] ? print_usage_bug+0xc0/0xc0 [ 393.910290] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 393.915486] ? find_held_lock+0x36/0x1c0 [ 393.919555] ? zap_class+0x640/0x640 [ 393.923275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.928854] ? check_preemption_disabled+0x48/0x280 [ 393.933884] ? __lock_is_held+0xb5/0x140 [ 393.937973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.943509] ? check_preemption_disabled+0x48/0x280 [ 393.948568] run_timer_softirq+0x52/0xb0 [ 393.952627] ? rcu_read_lock_sched_held+0x14f/0x180 [ 393.957647] __do_softirq+0x308/0xb7e [ 393.961452] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 393.965947] ? lock_downgrade+0x900/0x900 [ 393.970109] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 393.975229] ? pvclock_read_flags+0x160/0x160 [ 393.979729] ? lapic_next_event+0x5a/0x90 [ 393.983884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.989429] ? kvm_clock_read+0x18/0x30 [ 393.993405] ? kvm_sched_clock_read+0x9/0x20 [ 393.997815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.003358] ? check_preemption_disabled+0x48/0x280 [ 394.008400] irq_exit+0x17f/0x1c0 [ 394.011857] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.016715] ? smp_reschedule_interrupt+0x109/0x650 [ 394.021746] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.027629] ? interrupt_entry+0xb5/0xc0 [ 394.031693] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.036706] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.041727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.046568] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.051580] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.056611] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.061468] apic_timer_interrupt+0xf/0x20 [ 394.065701] [ 394.067938] RIP: 0010:dump_stack+0x358/0x39d [ 394.072354] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 394.091267] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 394.098988] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 394.106254] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 394.113521] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 394.120790] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 394.128054] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 394.135339] ? dump_stack+0x34f/0x39d [ 394.139157] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.144368] dump_header+0x27b/0xf72 [ 394.148105] ? mark_held_locks+0x130/0x130 [ 394.152346] ? pagefault_out_of_memory+0x197/0x197 [ 394.157287] ? __lock_acquire+0x62f/0x4c20 [ 394.161528] ? zap_class+0x640/0x640 [ 394.165249] ? percpu_ref_get_many+0x240/0x240 [ 394.169864] ? print_usage_bug+0xc0/0xc0 [ 394.173928] ? print_usage_bug+0xc0/0xc0 [ 394.178000] ? zap_class+0x640/0x640 [ 394.181717] ? print_usage_bug+0xc0/0xc0 [ 394.185776] ? print_usage_bug+0xc0/0xc0 [ 394.189848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.195392] ? find_held_lock+0x36/0x1c0 [ 394.199467] ? mark_held_locks+0xc7/0x130 [ 394.203646] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.208765] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 394.213869] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 394.218469] ? trace_hardirqs_on+0xbd/0x310 [ 394.222806] ? kasan_check_read+0x11/0x20 [ 394.227005] ? ___ratelimit+0x3b4/0x672 [ 394.230983] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.236089] ? trace_hardirqs_on+0x310/0x310 [ 394.240499] ? lock_downgrade+0x900/0x900 [ 394.244664] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.249777] ? ___ratelimit+0x3b9/0x672 [ 394.253760] ? idr_get_free+0xec0/0xec0 [ 394.257739] ? find_held_lock+0x36/0x1c0 [ 394.261830] oom_kill_process.cold.27+0x10/0x903 [ 394.266587] ? zap_class+0x640/0x640 [ 394.270328] ? check_preemption_disabled+0x48/0x280 [ 394.275351] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.280276] ? kasan_check_read+0x11/0x20 [ 394.284426] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.289712] ? oom_evaluate_task+0x540/0x540 [ 394.294126] ? find_held_lock+0x36/0x1c0 [ 394.298215] ? out_of_memory+0x974/0x1430 [ 394.302366] ? lock_downgrade+0x900/0x900 [ 394.306514] ? check_preemption_disabled+0x48/0x280 [ 394.311538] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.316467] ? kasan_check_read+0x11/0x20 [ 394.320619] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.325913] ? rcu_softirq_qs+0x20/0x20 [ 394.329909] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.335465] ? oom_evaluate_task+0x302/0x540 [ 394.339883] out_of_memory+0xa84/0x1430 [ 394.343872] ? oom_killer_disable+0x3a0/0x3a0 [ 394.348371] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 394.353302] ? __mutex_add_waiter+0x2a0/0x2a0 [ 394.357812] __alloc_pages_slowpath+0x22d4/0x2d70 [ 394.362691] ? warn_alloc+0x120/0x120 [ 394.366490] ? rcu_softirq_qs+0x20/0x20 [ 394.370508] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.376047] ? should_fail+0x22d/0xd01 [ 394.379949] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.385062] ? zap_class+0x640/0x640 [ 394.388802] ? __lock_is_held+0xb5/0x140 [ 394.392879] ? mark_held_locks+0x130/0x130 [ 394.397129] ? lock_release+0xa00/0xa00 [ 394.401110] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.406576] ? __might_sleep+0x95/0x190 [ 394.410561] __alloc_pages_nodemask+0xa80/0xde0 [ 394.415239] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 394.420256] ? __page_cache_alloc+0x191/0x5c0 [ 394.424767] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.429699] ? kasan_check_read+0x11/0x20 [ 394.433849] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.439128] ? zap_class+0x640/0x640 [ 394.442849] ? zap_class+0x640/0x640 [ 394.446562] ? zap_class+0x640/0x640 [ 394.450276] ? __do_page_cache_readahead+0x7ce/0x980 [ 394.455382] ? find_held_lock+0x36/0x1c0 [ 394.459452] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 394.464999] alloc_pages_current+0x173/0x350 [ 394.469417] __page_cache_alloc+0x38c/0x5c0 [ 394.473736] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.478671] ? kasan_check_read+0x11/0x20 [ 394.482818] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.488101] ? generic_perform_write+0x6a0/0x6a0 [ 394.492862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.498399] ? check_preemption_disabled+0x48/0x280 [ 394.503424] filemap_fault+0x1594/0x25f0 [ 394.507518] ? __lock_page_or_retry+0xa00/0xa00 [ 394.512186] ? mark_held_locks+0x130/0x130 [ 394.516430] ? rcu_softirq_qs+0x20/0x20 [ 394.520425] ? filemap_map_pages+0xe04/0x1990 [ 394.524935] ? __free_object+0x173/0x340 [ 394.529009] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 394.533964] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.539070] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 394.543767] ? debug_object_free+0x32d/0x690 [ 394.548178] ? kasan_check_read+0x11/0x20 [ 394.552346] ? debug_object_destroy+0x2b0/0x2b0 [ 394.557018] ? lock_pi_update_atomic+0x150/0x150 [ 394.561775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.567325] ? __hrtimer_init+0xdb/0x240 [ 394.571398] ? lock_acquire+0x1ed/0x520 [ 394.575394] ? ext4_filemap_fault+0x7a/0xad [ 394.579726] ? lock_release+0xa00/0xa00 [ 394.583710] ? perf_trace_sched_process_exec+0x860/0x860 [ 394.589165] ? print_usage_bug+0xc0/0xc0 [ 394.593233] ? print_usage_bug+0xc0/0xc0 [ 394.597322] ? down_read+0x8d/0x120 [ 394.600944] ? ext4_filemap_fault+0x7a/0xad [ 394.605273] ? __down_interruptible+0x700/0x700 [ 394.609964] ext4_filemap_fault+0x82/0xad [ 394.614247] __do_fault+0x100/0x6b0 [ 394.617884] ? pmd_devmap_trans_unstable+0x220/0x220 [ 394.622990] ? mark_held_locks+0x130/0x130 [ 394.627228] ? mark_held_locks+0x130/0x130 [ 394.631468] ? debug_smp_processor_id+0x1c/0x20 [ 394.636147] ? perf_trace_lock+0x14d/0x7a0 [ 394.640401] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.645945] __handle_mm_fault+0x307c/0x5920 [ 394.650374] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 394.655229] ? lock_is_held_type+0x210/0x210 [ 394.659660] ? zap_class+0x640/0x640 [ 394.663375] ? zap_class+0x640/0x640 [ 394.667096] ? __x64_sys_futex+0x53e/0x6a0 [ 394.671335] ? find_held_lock+0x36/0x1c0 [ 394.675409] ? handle_mm_fault+0x42a/0xc70 [ 394.679648] ? lock_downgrade+0x900/0x900 [ 394.683798] ? check_preemption_disabled+0x48/0x280 [ 394.688824] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 394.693757] ? kasan_check_read+0x11/0x20 [ 394.697903] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 394.703181] ? rcu_softirq_qs+0x20/0x20 [ 394.707156] ? trace_hardirqs_off_caller+0x310/0x310 [ 394.712257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.717795] ? check_preemption_disabled+0x48/0x280 [ 394.722822] handle_mm_fault+0x54f/0xc70 [ 394.726910] ? __handle_mm_fault+0x5920/0x5920 [ 394.731523] ? find_vma+0x34/0x190 [ 394.735073] __do_page_fault+0x5e8/0xe60 [ 394.739130] ? trace_hardirqs_off+0xb8/0x310 [ 394.743537] ? trace_hardirqs_off+0xb8/0x310 [ 394.747965] do_page_fault+0xf2/0x7e0 [ 394.751769] ? vmalloc_sync_all+0x30/0x30 [ 394.755925] ? error_entry+0x70/0xd0 [ 394.759644] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.764673] ? trace_hardirqs_on_caller+0xc0/0x310 [ 394.769605] ? syscall_return_slowpath+0x5e0/0x5e0 [ 394.774532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.779375] ? trace_hardirqs_on_caller+0x310/0x310 [ 394.784393] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.789848] ? prepare_exit_to_usermode+0x291/0x3b0 [ 394.794868] ? page_fault+0x8/0x30 [ 394.798425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.803275] ? page_fault+0x8/0x30 [ 394.806823] page_fault+0x1e/0x30 [ 394.810282] RIP: 0033:0x45ddf3 [ 394.813492] Code: Bad RIP value. [ 394.816856] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 394.822221] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 394.829492] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 394.836758] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 394.844041] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 394.851308] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 394.858609] warn_alloc_show_mem: 1 callbacks suppressed [ 394.858621] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 394.858624] Mem-Info: [ 394.858655] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 394.858655] active_file:13 inactive_file:17 isolated_file:0 [ 394.858655] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.858655] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 394.858655] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 394.858655] free:13759 free_pcp:161 free_cma:0 [ 394.864000] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.871022] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.873423] Call Trace: [ 394.906389] Node 0 [ 394.915742] [ 394.943441] 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 [ 394.946026] dump_stack+0x244/0x39d [ 394.948272] lowmem_reserve[]: [ 394.950439] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.975913] 0 2819 [ 394.979562] warn_alloc.cold.117+0xb7/0x1bd [ 394.982629] 6323 6323 [ 394.987825] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.994391] ? lock_downgrade+0x900/0x900 [ 394.996883] Node 0 [ 395.001735] ? trace_hardirqs_off+0xb8/0x310 [ 395.005884] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 395.008111] ? trace_hardirqs_off+0xb8/0x310 [ 395.012497] lowmem_reserve[]: [ 395.039265] __alloc_pages_slowpath+0x2660/0x2d70 [ 395.043653] 0 [ 395.046785] ? warn_alloc+0x120/0x120 [ 395.051593] 0 [ 395.053407] ? warn_alloc+0x120/0x120 [ 395.057181] 3503 [ 395.059002] ? print_usage_bug+0xc0/0xc0 [ 395.062781] 3503 [ 395.064844] ? warn_alloc+0x120/0x120 [ 395.070955] ? print_usage_bug+0xc0/0xc0 [ 395.074741] Node 0 Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 395.078827] ? __lock_acquire+0x62f/0x4c20 [ 395.078843] ? __lock_acquire+0x62f/0x4c20 [ 395.107719] lowmem_reserve[]: 0 [ 395.112011] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.116259] 0 [ 395.119541] ? should_fail+0x22d/0xd01 [ 395.125052] 0 [ 395.126883] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.130722] 0 [ 395.132536] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.137787] Node 0 [ 395.139600] ? __lock_acquire+0x62f/0x4c20 [ 395.144675] DMA: 1*4kB [ 395.146957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.151176] (U) [ 395.153764] ? __lock_acquire+0x62f/0x4c20 [ 395.158845] 0*8kB [ 395.160818] ? should_fail+0x22d/0xd01 [ 395.165030] 0*16kB [ 395.167185] ? rcu_irq_exit+0x1a2/0x390 [ 395.171055] 1*32kB (U) [ 395.173325] ? mark_held_locks+0x130/0x130 [ 395.177267] 2*64kB [ 395.179865] ? mark_held_locks+0x130/0x130 [ 395.184080] (U) [ 395.186319] ? mark_held_locks+0xc7/0x130 [ 395.190531] 1*128kB (U) [ 395.192521] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 395.196642] 1*256kB [ 395.199311] ? zap_class+0x640/0x640 [ 395.204306] (U) [ 395.206628] ? print_usage_bug+0xc0/0xc0 [ 395.210322] 0*512kB [ 395.212301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.216338] 1*1024kB [ 395.218677] ? check_preemption_disabled+0x48/0x280 [ 395.224187] (U) 1*2048kB [ 395.226643] ? __lock_is_held+0xb5/0x140 [ 395.231643] (M) 3*4096kB [ 395.234437] __alloc_pages_nodemask+0xa80/0xde0 [ 395.238477] (M) [ 395.241228] ? zap_class+0x640/0x640 [ 395.245875] = 15908kB [ 395.245884] Node 0 [ 395.247859] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 395.251548] DMA32: 5*4kB [ 395.254034] ? find_held_lock+0x36/0x1c0 [ 395.256245] (UM) [ 395.261269] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.264002] 1*8kB [ 395.268071] ? lock_downgrade+0x900/0x900 [ 395.270116] (M) [ 395.274807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.276932] 3*16kB [ 395.281081] cache_grow_begin+0xa5/0x8c0 [ 395.283034] (M) [ 395.288585] ? do_raw_spin_unlock+0xa7/0x330 [ 395.290799] 3*32kB [ 395.294862] fallback_alloc+0x204/0x2e0 [ 395.296826] (UM) [ 395.301238] ____cache_alloc_node+0x1c7/0x1e0 [ 395.303463] 2*64kB [ 395.307437] kmem_cache_alloc_node+0xe3/0x730 [ 395.309477] (M) [ 395.313984] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.316213] 2*128kB [ 395.320716] __alloc_skb+0x119/0x770 [ 395.322667] (M) [ 395.326903] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.329208] 4*256kB [ 395.332931] ? netdev_alloc_frag+0x1f0/0x1f0 [ 395.334886] (M) [ 395.340161] ? lock_downgrade+0x900/0x900 [ 395.342457] 4*512kB (UM) [ 395.346879] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.348843] 3*1024kB [ 395.352986] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.355718] (UM) [ 395.361261] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.363652] 3*2048kB [ 395.369097] ? addrconf_rs_timer+0x690/0x690 [ 395.371139] (M) [ 395.376594] ndisc_alloc_skb+0x144/0x340 [ 395.378983] 3*4096kB (M) [ 395.383402] ndisc_send_rs+0x331/0x6e0 [ 395.385351] = 25132kB [ 395.385359] Node 0 [ 395.389420] addrconf_rs_timer+0x314/0x690 [ 395.392154] Normal: [ 395.396052] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.398440] 951*4kB [ 395.400688] call_timer_fn+0x272/0x920 [ 395.404886] (UMEH) [ 395.407226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.411436] 234*8kB (UME) [ 395.413777] ? process_timeout+0x40/0x40 [ 395.417638] 222*16kB (UMEH) [ 395.419900] ? __run_timers+0x7da/0xc70 [ 395.424106] 132*32kB (UM) [ 395.426963] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.431000] 1*64kB (H) [ 395.434027] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.437991] 0*128kB 0*256kB [ 395.440845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.445321] 1*512kB [ 395.447905] ? lockdep_hardirqs_on+0x296/0x5b0 [ 395.452373] (H) [ 395.455394] ? trace_hardirqs_on+0xbd/0x310 [ 395.459618] 0*1024kB 0*2048kB [ 395.461962] ? kasan_check_read+0x11/0x20 [ 395.466529] 0*4096kB [ 395.468506] ? __run_timers+0x7da/0xc70 [ 395.472798] = 14028kB [ 395.472813] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 395.475995] ? trace_hardirqs_off_caller+0x310/0x310 [ 395.480717] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 395.483125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.487075] 4244 total pagecache pages [ 395.489502] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.498327] 0 pages in swap cache [ 395.503434] __run_timers+0x7e5/0xc70 [ 395.512012] Swap cache stats: add 0, delete 0, find 0/0 [ 395.516267] ? timer_fixup_init+0x70/0x70 [ 395.520146] Free swap = 0kB [ 395.524383] ? kasan_check_read+0x11/0x20 [ 395.527816] Total swap = 0kB [ 395.531614] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.536961] 1965979 pages RAM [ 395.541110] ? rcu_softirq_qs+0x20/0x20 [ 395.544123] 0 pages HighMem/MovableOnly [ 395.548270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.551265] 342293 pages reserved [ 395.556537] ? check_preemption_disabled+0x48/0x280 [ 395.559623] 0 pages cma reserved [ 395.563595] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.567619] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.573076] ? retint_kernel+0x2d/0x2d [ 395.576589] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.581532] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.584879] syz-fuzzer cpuset= [ 395.589638] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 395.596107] / [ 395.599988] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.610210] mems_allowed=0 [ 395.615127] ? zap_class+0x640/0x640 [ 395.636812] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.642363] ? check_preemption_disabled+0x48/0x280 [ 395.647391] ? __lock_is_held+0xb5/0x140 [ 395.651462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.657011] ? check_preemption_disabled+0x48/0x280 [ 395.662037] run_timer_softirq+0x52/0xb0 [ 395.666101] ? rcu_read_lock_sched_held+0x14f/0x180 [ 395.671127] __do_softirq+0x308/0xb7e [ 395.674938] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 395.679433] ? lock_downgrade+0x900/0x900 [ 395.683592] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 395.688706] ? pvclock_read_flags+0x160/0x160 [ 395.693206] ? lapic_next_event+0x5a/0x90 [ 395.697363] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.702922] ? kvm_clock_read+0x18/0x30 [ 395.706911] ? kvm_sched_clock_read+0x9/0x20 [ 395.711338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.716876] ? check_preemption_disabled+0x48/0x280 [ 395.722139] irq_exit+0x17f/0x1c0 [ 395.725608] smp_apic_timer_interrupt+0x1cb/0x760 [ 395.730461] ? smp_reschedule_interrupt+0x109/0x650 [ 395.735485] ? smp_call_function_single_interrupt+0x650/0x650 [ 395.741385] ? interrupt_entry+0xb5/0xc0 [ 395.745447] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.750489] ? trace_hardirqs_off_caller+0xbb/0x310 [ 395.755508] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.760353] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.765368] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.770386] ? task_prio+0x50/0x50 [ 395.773929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.779471] ? check_preemption_disabled+0x48/0x280 [ 395.784499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.789352] apic_timer_interrupt+0xf/0x20 [ 395.793582] [ 395.795837] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.800766] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 395.819663] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.827377] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.834654] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 395.841924] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 395.849188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 395.856465] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 395.863794] skb_clone+0x1bb/0x500 [ 395.867338] ? finish_task_switch+0x2f4/0x910 [ 395.871834] ? skb_split+0x11e0/0x11e0 [ 395.875724] ? preempt_notifier_register+0x200/0x200 [ 395.880826] ? __switch_to_asm+0x34/0x70 [ 395.884884] ? __switch_to_asm+0x34/0x70 [ 395.888943] ? __switch_to_asm+0x40/0x70 [ 395.893006] ? __switch_to_asm+0x34/0x70 [ 395.897065] ? __switch_to_asm+0x40/0x70 [ 395.901123] ? __switch_to_asm+0x34/0x70 [ 395.905183] ? __switch_to_asm+0x40/0x70 [ 395.909241] ? __switch_to_asm+0x34/0x70 [ 395.913302] ? __switch_to_asm+0x34/0x70 [ 395.917363] ? __switch_to_asm+0x40/0x70 [ 395.921423] ? __switch_to_asm+0x34/0x70 [ 395.925495] bpf_clone_redirect+0xb9/0x490 [ 395.929736] ? __schedule+0x8d7/0x21d0 [ 395.933646] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 395.938673] ? __sched_text_start+0x8/0x8 [ 395.942837] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 395.947426] ? find_held_lock+0x36/0x1c0 [ 395.951501] ? lock_acquire+0x1ed/0x520 [ 395.955483] ? bpf_test_run+0x3cb/0x780 [ 395.959469] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.965008] ? check_preemption_disabled+0x48/0x280 [ 395.970034] ? kasan_check_read+0x11/0x20 [ 395.974186] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 395.979471] ? rcu_softirq_qs+0x20/0x20 [ 395.983462] ? preempt_schedule+0x4d/0x60 [ 395.987618] ? ___preempt_schedule+0x16/0x18 [ 395.992037] ? bpf_test_run+0x25d/0x780 [ 395.996040] ? netlink_diag_dump+0x2a0/0x2a0 [ 396.000462] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 396.005228] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 396.010005] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 396.014847] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 396.020405] ? fput+0x130/0x1a0 [ 396.023901] ? __bpf_prog_get+0x9b/0x290 [ 396.028033] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 396.032881] ? bpf_prog_test_run+0x130/0x1a0 [ 396.037303] ? __x64_sys_bpf+0x3d8/0x520 [ 396.041378] ? bpf_prog_get+0x20/0x20 [ 396.045212] ? do_syscall_64+0x1b9/0x820 [ 396.049288] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 396.054652] ? syscall_return_slowpath+0x5e0/0x5e0 [ 396.059582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.064428] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.069448] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 396.074475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.080017] ? prepare_exit_to_usermode+0x291/0x3b0 [ 396.085055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.089908] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 396.095294] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 396.095379] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.101973] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 396.101978] Call Trace: [ 396.101986] [ 396.102003] dump_stack+0x244/0x39d [ 396.102036] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.108640] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.117886] warn_alloc.cold.117+0xb7/0x1bd [ 396.120460] syz-executor3 cpuset= [ 396.122611] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.126216] syz3 [ 396.131402] ? lock_downgrade+0x900/0x900 [ 396.141865] mems_allowed=0 [ 396.146186] ? trace_hardirqs_off+0xb8/0x310 [ 396.167892] ? trace_hardirqs_off+0xb8/0x310 [ 396.172311] __alloc_pages_slowpath+0x2660/0x2d70 [ 396.177185] ? warn_alloc+0x120/0x120 [ 396.181015] ? warn_alloc+0x120/0x120 [ 396.184818] ? print_usage_bug+0xc0/0xc0 [ 396.188880] ? warn_alloc+0x120/0x120 [ 396.192680] ? print_usage_bug+0xc0/0xc0 [ 396.196746] ? __lock_acquire+0x62f/0x4c20 [ 396.200986] ? __lock_acquire+0x62f/0x4c20 [ 396.205229] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.210780] ? should_fail+0x22d/0xd01 [ 396.214675] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.219779] ? __lock_acquire+0x62f/0x4c20 [ 396.224022] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.229123] ? __lock_acquire+0x62f/0x4c20 [ 396.233380] ? should_fail+0x22d/0xd01 [ 396.237269] ? find_held_lock+0x36/0x1c0 [ 396.241338] ? mark_held_locks+0x130/0x130 [ 396.245581] ? mark_held_locks+0x130/0x130 [ 396.249813] ? zap_class+0x640/0x640 [ 396.253528] ? zap_class+0x640/0x640 [ 396.257261] ? print_usage_bug+0xc0/0xc0 [ 396.261323] ? do_raw_spin_unlock+0xa7/0x330 [ 396.265730] ? zap_class+0x640/0x640 [ 396.269448] ? print_usage_bug+0xc0/0xc0 [ 396.273523] ? wq_watchdog_touch+0x9c/0xfe [ 396.277775] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.283314] ? check_preemption_disabled+0x48/0x280 [ 396.288347] ? __lock_is_held+0xb5/0x140 [ 396.292415] __alloc_pages_nodemask+0xa80/0xde0 [ 396.297085] ? zap_class+0x640/0x640 [ 396.300805] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 396.305851] ? find_held_lock+0x36/0x1c0 [ 396.309972] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.314645] ? lock_downgrade+0x900/0x900 [ 396.318809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.324365] cache_grow_begin+0xa5/0x8c0 [ 396.328430] ? do_raw_spin_unlock+0xa7/0x330 [ 396.332844] fallback_alloc+0x204/0x2e0 [ 396.336827] ____cache_alloc_node+0x1c7/0x1e0 [ 396.341327] kmem_cache_alloc_node+0xe3/0x730 [ 396.345822] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.350083] __alloc_skb+0x119/0x770 [ 396.353803] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.359086] ? netdev_alloc_frag+0x1f0/0x1f0 [ 396.363498] ? lock_downgrade+0x900/0x900 [ 396.367685] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.373244] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.378701] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.384167] ? addrconf_rs_timer+0x690/0x690 [ 396.388617] ndisc_alloc_skb+0x144/0x340 [ 396.392697] ndisc_send_rs+0x331/0x6e0 [ 396.396593] addrconf_rs_timer+0x314/0x690 [ 396.400834] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.405090] call_timer_fn+0x272/0x920 [ 396.408995] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.413234] ? process_timeout+0x40/0x40 [ 396.417311] ? mark_held_locks+0xc7/0x130 [ 396.421469] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.425982] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.430473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.434719] ? lockdep_hardirqs_on+0x296/0x5b0 [ 396.439304] ? trace_hardirqs_on+0xbd/0x310 [ 396.443628] ? kasan_check_read+0x11/0x20 [ 396.447775] ? __run_timers+0x7da/0xc70 [ 396.451752] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.456887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.461133] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.465382] __run_timers+0x7e5/0xc70 [ 396.469209] ? timer_fixup_init+0x70/0x70 [ 396.473377] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.478395] ? zap_class+0x640/0x640 [ 396.482115] ? print_usage_bug+0xc0/0xc0 [ 396.486183] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.491396] ? find_held_lock+0x36/0x1c0 [ 396.495478] ? zap_class+0x640/0x640 [ 396.499225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.504779] ? check_preemption_disabled+0x48/0x280 [ 396.509810] ? __lock_is_held+0xb5/0x140 [ 396.513871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.519410] ? check_preemption_disabled+0x48/0x280 [ 396.524611] run_timer_softirq+0x52/0xb0 [ 396.528678] ? rcu_read_lock_sched_held+0x14f/0x180 [ 396.533707] __do_softirq+0x308/0xb7e [ 396.537517] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 396.542016] ? lock_downgrade+0x900/0x900 [ 396.546175] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 396.551300] ? pvclock_read_flags+0x160/0x160 [ 396.555799] ? lapic_next_event+0x5a/0x90 [ 396.559959] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.565532] ? kvm_clock_read+0x18/0x30 [ 396.569511] ? kvm_sched_clock_read+0x9/0x20 [ 396.573925] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.579470] ? check_preemption_disabled+0x48/0x280 [ 396.584506] irq_exit+0x17f/0x1c0 [ 396.587971] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.592815] ? smp_reschedule_interrupt+0x109/0x650 [ 396.597837] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.603723] ? interrupt_entry+0xb5/0xc0 [ 396.607789] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.612805] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.618126] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.622988] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.628059] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.633089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.637949] apic_timer_interrupt+0xf/0x20 [ 396.642184] [ 396.644430] RIP: 0010:dump_stack+0x358/0x39d [ 396.648841] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 396.667750] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 396.675462] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 396.682756] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 396.690024] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 396.697300] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 396.704569] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 396.711867] ? dump_stack+0x34f/0x39d [ 396.715690] ? dump_stack_print_info.cold.1+0x20/0x20 [ 396.720901] dump_header+0x27b/0xf72 [ 396.724629] ? mark_held_locks+0x130/0x130 [ 396.728870] ? pagefault_out_of_memory+0x197/0x197 [ 396.733810] ? __lock_acquire+0x62f/0x4c20 [ 396.738042] ? zap_class+0x640/0x640 [ 396.741759] ? percpu_ref_get_many+0x240/0x240 [ 396.746347] ? print_usage_bug+0xc0/0xc0 [ 396.750410] ? print_usage_bug+0xc0/0xc0 [ 396.754478] ? zap_class+0x640/0x640 [ 396.758198] ? print_usage_bug+0xc0/0xc0 [ 396.762264] ? print_usage_bug+0xc0/0xc0 [ 396.766350] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.771894] ? find_held_lock+0x36/0x1c0 [ 396.775971] ? mark_held_locks+0xc7/0x130 [ 396.780164] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.785304] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 396.790456] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 396.795046] ? trace_hardirqs_on+0xbd/0x310 [ 396.799374] ? kasan_check_read+0x11/0x20 [ 396.803528] ? ___ratelimit+0x3b4/0x672 [ 396.807503] ? trace_hardirqs_off_caller+0x310/0x310 [ 396.812611] ? trace_hardirqs_on+0x310/0x310 [ 396.817021] ? lock_downgrade+0x900/0x900 [ 396.821185] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 396.826293] ? ___ratelimit+0x3b9/0x672 [ 396.830272] ? idr_get_free+0xec0/0xec0 [ 396.834275] ? find_held_lock+0x36/0x1c0 [ 396.838352] oom_kill_process.cold.27+0x10/0x903 [ 396.843107] ? zap_class+0x640/0x640 [ 396.846825] ? check_preemption_disabled+0x48/0x280 [ 396.851850] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.856791] ? kasan_check_read+0x11/0x20 [ 396.860942] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.866232] ? oom_evaluate_task+0x540/0x540 [ 396.870644] ? find_held_lock+0x36/0x1c0 [ 396.874723] ? out_of_memory+0x974/0x1430 [ 396.878871] ? lock_downgrade+0x900/0x900 [ 396.883022] ? check_preemption_disabled+0x48/0x280 [ 396.888043] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 396.892975] ? kasan_check_read+0x11/0x20 [ 396.897123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 396.902403] ? rcu_softirq_qs+0x20/0x20 [ 396.906384] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.911925] ? oom_evaluate_task+0x302/0x540 [ 396.916350] out_of_memory+0xa84/0x1430 [ 396.920342] ? oom_killer_disable+0x3a0/0x3a0 [ 396.924849] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 396.929782] ? __mutex_add_waiter+0x2a0/0x2a0 [ 396.934289] __alloc_pages_slowpath+0x22d4/0x2d70 [ 396.939179] ? warn_alloc+0x120/0x120 [ 396.942983] ? rcu_softirq_qs+0x20/0x20 [ 396.947018] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.952562] ? should_fail+0x22d/0xd01 [ 396.956456] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.961564] ? zap_class+0x640/0x640 [ 396.965305] ? __lock_is_held+0xb5/0x140 [ 396.969382] ? mark_held_locks+0x130/0x130 [ 396.973625] ? lock_release+0xa00/0xa00 [ 396.977607] ? perf_trace_sched_process_exec+0x860/0x860 [ 396.983098] ? __might_sleep+0x95/0x190 [ 396.987077] __alloc_pages_nodemask+0xa80/0xde0 [ 396.991756] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 396.996776] ? __page_cache_alloc+0x191/0x5c0 [ 397.001272] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.006200] ? kasan_check_read+0x11/0x20 [ 397.010366] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.015652] ? zap_class+0x640/0x640 [ 397.019376] ? zap_class+0x640/0x640 [ 397.023088] ? zap_class+0x640/0x640 [ 397.026800] ? __do_page_cache_readahead+0x7ce/0x980 [ 397.031912] ? find_held_lock+0x36/0x1c0 [ 397.035983] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 397.041537] alloc_pages_current+0x173/0x350 [ 397.045965] __page_cache_alloc+0x38c/0x5c0 [ 397.050288] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.055219] ? kasan_check_read+0x11/0x20 [ 397.059374] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.064655] ? generic_perform_write+0x6a0/0x6a0 [ 397.069418] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.074964] ? check_preemption_disabled+0x48/0x280 [ 397.080000] filemap_fault+0x1594/0x25f0 [ 397.084087] ? __lock_page_or_retry+0xa00/0xa00 [ 397.088759] ? mark_held_locks+0x130/0x130 [ 397.092998] ? rcu_softirq_qs+0x20/0x20 [ 397.096996] ? filemap_map_pages+0xe04/0x1990 [ 397.101507] ? __free_object+0x173/0x340 [ 397.105575] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 397.110510] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.115619] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 397.120303] ? debug_object_free+0x32d/0x690 [ 397.124715] ? kasan_check_read+0x11/0x20 [ 397.128866] ? debug_object_destroy+0x2b0/0x2b0 [ 397.133585] ? lock_pi_update_atomic+0x150/0x150 [ 397.138343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.143892] ? __hrtimer_init+0xdb/0x240 [ 397.147987] ? lock_acquire+0x1ed/0x520 [ 397.151970] ? ext4_filemap_fault+0x7a/0xad [ 397.156299] ? lock_release+0xa00/0xa00 [ 397.160275] ? perf_trace_sched_process_exec+0x860/0x860 [ 397.165725] ? print_usage_bug+0xc0/0xc0 [ 397.169791] ? print_usage_bug+0xc0/0xc0 [ 397.173874] ? down_read+0x8d/0x120 [ 397.177504] ? ext4_filemap_fault+0x7a/0xad [ 397.181825] ? __down_interruptible+0x700/0x700 [ 397.186507] ext4_filemap_fault+0x82/0xad [ 397.190660] __do_fault+0x100/0x6b0 [ 397.194292] ? pmd_devmap_trans_unstable+0x220/0x220 [ 397.199400] ? mark_held_locks+0x130/0x130 [ 397.203648] ? mark_held_locks+0x130/0x130 [ 397.207888] ? debug_smp_processor_id+0x1c/0x20 [ 397.212556] ? perf_trace_lock+0x14d/0x7a0 [ 397.216796] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.222345] __handle_mm_fault+0x307c/0x5920 [ 397.226781] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 397.231652] ? lock_is_held_type+0x210/0x210 [ 397.236089] ? zap_class+0x640/0x640 [ 397.239818] ? zap_class+0x640/0x640 [ 397.243559] ? __x64_sys_futex+0x53e/0x6a0 [ 397.247800] ? find_held_lock+0x36/0x1c0 [ 397.251889] ? handle_mm_fault+0x42a/0xc70 [ 397.256153] ? lock_downgrade+0x900/0x900 [ 397.260319] ? check_preemption_disabled+0x48/0x280 [ 397.265347] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 397.270292] ? kasan_check_read+0x11/0x20 [ 397.274443] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.279726] ? rcu_softirq_qs+0x20/0x20 [ 397.283706] ? trace_hardirqs_off_caller+0x310/0x310 [ 397.288812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.294350] ? check_preemption_disabled+0x48/0x280 [ 397.299376] handle_mm_fault+0x54f/0xc70 [ 397.303473] ? __handle_mm_fault+0x5920/0x5920 [ 397.308063] ? find_vma+0x34/0x190 [ 397.311614] __do_page_fault+0x5e8/0xe60 [ 397.315673] ? trace_hardirqs_off+0xb8/0x310 [ 397.320094] ? trace_hardirqs_off+0xb8/0x310 [ 397.324514] do_page_fault+0xf2/0x7e0 [ 397.328317] ? vmalloc_sync_all+0x30/0x30 [ 397.332484] ? error_entry+0x70/0xd0 [ 397.336219] ? trace_hardirqs_off_caller+0xbb/0x310 [ 397.341236] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.346178] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.351109] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.355962] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.360984] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.366466] ? prepare_exit_to_usermode+0x291/0x3b0 [ 397.371486] ? page_fault+0x8/0x30 [ 397.375029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.379890] ? page_fault+0x8/0x30 [ 397.383434] page_fault+0x1e/0x30 [ 397.386889] RIP: 0033:0x45ddf3 [ 397.390114] Code: Bad RIP value. [ 397.393486] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 397.398848] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 397.406132] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 397.413399] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 397.420692] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 397.427963] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 397.435259] warn_alloc_show_mem: 1 callbacks suppressed [ 397.435272] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 397.435274] Mem-Info: [ 397.435305] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 397.435305] active_file:13 inactive_file:17 isolated_file:0 [ 397.435305] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.435305] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 397.435305] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 397.435305] free:13759 free_pcp:161 free_cma:0 [ 397.440663] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.447684] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.450084] Call Trace: [ 397.483042] Node 0 [ 397.492406] [ 397.520126] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 397.522694] dump_stack+0x244/0x39d [ 397.524898] lowmem_reserve[]: [ 397.527046] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.552526] 0 [ 397.556166] warn_alloc.cold.117+0xb7/0x1bd [ 397.559251] 2819 [ 397.564481] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.566262] 6323 [ 397.570579] ? lock_downgrade+0x900/0x900 [ 397.572619] 6323 [ 397.577470] ? trace_hardirqs_off+0xb8/0x310 [ 397.583650] ? trace_hardirqs_off+0xb8/0x310 [ 397.585693] Node 0 [ 397.590101] __alloc_pages_slowpath+0x2660/0x2d70 [ 397.594506] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 397.596742] ? warn_alloc+0x120/0x120 [ 397.601553] lowmem_reserve[]: 0 [ 397.628307] ? warn_alloc+0x120/0x120 [ 397.632101] 0 [ 397.635379] ? print_usage_bug+0xc0/0xc0 [ 397.639169] 3503 [ 397.640968] ? warn_alloc+0x120/0x120 [ 397.640983] ? print_usage_bug+0xc0/0xc0 [ 397.645049] 3503 [ 397.647136] ? __lock_acquire+0x62f/0x4c20 [ 397.654982] ? __lock_acquire+0x62f/0x4c20 [ 397.657023] Node 0 [ 397.661272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.665520] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 397.667731] ? should_fail+0x22d/0xd01 [ 397.673238] lowmem_reserve[]: 0 [ 397.701527] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.701549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.705419] 0 [ 397.708694] ? __lock_acquire+0x62f/0x4c20 [ 397.713957] 0 [ 397.719057] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.720846] 0 [ 397.725434] ? __lock_acquire+0x62f/0x4c20 [ 397.732326] ? should_fail+0x22d/0xd01 [ 397.734109] Node 0 [ 397.738343] ? rcu_irq_exit+0x1a2/0x390 [ 397.742212] DMA: [ 397.744460] ? mark_held_locks+0x130/0x130 [ 397.748399] 1*4kB [ 397.750466] ? mark_held_locks+0x130/0x130 [ 397.754674] (U) [ 397.756827] ? mark_held_locks+0xc7/0x130 [ 397.761039] 0*8kB [ 397.763017] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 397.767146] 0*16kB [ 397.769303] ? zap_class+0x640/0x640 [ 397.774301] 1*32kB [ 397.776548] ? print_usage_bug+0xc0/0xc0 [ 397.780245] (U) [ 397.782492] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.786530] 2*64kB [ 397.788504] ? check_preemption_disabled+0x48/0x280 [ 397.794032] (U) [ 397.796274] ? __lock_is_held+0xb5/0x140 [ 397.801275] 1*128kB [ 397.803249] __alloc_pages_nodemask+0xa80/0xde0 [ 397.807282] (U) [ 397.809608] ? zap_class+0x640/0x640 [ 397.814259] 1*256kB [ 397.816232] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 397.819919] (U) [ 397.822261] ? find_held_lock+0x36/0x1c0 [ 397.827249] 0*512kB [ 397.829232] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.833267] 1*1024kB [ 397.835589] ? lock_downgrade+0x900/0x900 [ 397.840238] (U) [ 397.842655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.846783] 1*2048kB [ 397.848770] cache_grow_begin+0xa5/0x8c0 [ 397.854281] (M) [ 397.856695] ? do_raw_spin_unlock+0xa7/0x330 [ 397.860732] 3*4096kB [ 397.862706] fallback_alloc+0x204/0x2e0 [ 397.867089] (M) [ 397.869514] ____cache_alloc_node+0x1c7/0x1e0 [ 397.873459] = 15908kB [ 397.873467] Node 0 [ 397.875446] kmem_cache_alloc_node+0xe3/0x730 [ 397.879949] DMA32: [ 397.882361] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.884591] 5*4kB [ 397.889104] __alloc_skb+0x119/0x770 [ 397.891313] (UM) [ 397.895549] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 397.897673] 1*8kB [ 397.901379] ? netdev_alloc_frag+0x1f0/0x1f0 [ 397.903418] (M) [ 397.908700] ? lock_downgrade+0x900/0x900 [ 397.910831] 3*16kB [ 397.915239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.917196] (M) [ 397.921341] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.923553] 3*32kB [ 397.929084] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.931040] (UM) [ 397.936485] ? addrconf_rs_timer+0x690/0x690 [ 397.938718] 2*64kB [ 397.944170] ndisc_alloc_skb+0x144/0x340 [ 397.946213] (M) [ 397.950624] ndisc_send_rs+0x331/0x6e0 [ 397.952844] 2*128kB [ 397.956901] addrconf_rs_timer+0x314/0x690 [ 397.958854] (M) [ 397.962738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.965055] 4*256kB [ 397.969295] call_timer_fn+0x272/0x920 [ 397.971236] (M) [ 397.975467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.977765] 4*512kB [ 397.981649] ? process_timeout+0x40/0x40 [ 397.983609] (UM) [ 397.987845] ? __run_timers+0x7da/0xc70 [ 397.990149] 3*1024kB [ 397.994209] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.994225] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.996272] (UM) [ 398.000268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.002659] 3*2048kB (M) [ 398.007163] ? lockdep_hardirqs_on+0x296/0x5b0 [ 398.011630] 3*4096kB (M) [ 398.013703] ? trace_hardirqs_on+0xbd/0x310 [ 398.017918] = 25132kB [ 398.020672] ? kasan_check_read+0x11/0x20 [ 398.025256] Node 0 [ 398.028012] ? __run_timers+0x7da/0xc70 [ 398.032316] Normal: [ 398.034723] ? trace_hardirqs_off_caller+0x310/0x310 [ 398.038863] 951*4kB [ 398.041110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.045061] (UMEH) [ 398.047396] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.052473] 234*8kB [ 398.054793] __run_timers+0x7e5/0xc70 [ 398.059002] (UME) [ 398.061242] ? timer_fixup_init+0x70/0x70 [ 398.065445] 222*16kB [ 398.067768] ? kasan_check_read+0x11/0x20 [ 398.071549] (UMEH) [ 398.073699] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.077821] 132*32kB [ 398.080229] ? rcu_softirq_qs+0x20/0x20 [ 398.084351] (UM) [ 398.086587] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.091838] 1*64kB [ 398.094247] ? check_preemption_disabled+0x48/0x280 [ 398.098205] (H) [ 398.100273] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.105782] 0*128kB [ 398.108063] ? retint_kernel+0x2d/0x2d [ 398.113035] 0*256kB [ 398.115039] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.119809] 1*512kB [ 398.122131] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 398.125996] (H) [ 398.128319] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.133243] 0*1024kB [ 398.135564] ? zap_class+0x640/0x640 [ 398.140299] 0*2048kB [ 398.142280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.147705] 0*4096kB [ 398.150128] ? check_preemption_disabled+0x48/0x280 [ 398.153819] = 14028kB [ 398.156234] ? __lock_is_held+0xb5/0x140 [ 398.161749] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.164152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.169165] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.171568] ? check_preemption_disabled+0x48/0x280 [ 398.175611] 4244 total pagecache pages [ 398.184447] run_timer_softirq+0x52/0xb0 [ 398.189979] 0 pages in swap cache [ 398.198561] ? rcu_read_lock_sched_held+0x14f/0x180 [ 398.203559] Swap cache stats: add 0, delete 0, find 0/0 [ 398.207443] __do_softirq+0x308/0xb7e [ 398.211478] Free swap = 0kB [ 398.214922] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 398.219915] Total swap = 0kB [ 398.225270] ? lock_downgrade+0x900/0x900 [ 398.229053] 1965979 pages RAM [ 398.232068] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 398.236538] 0 pages HighMem/MovableOnly [ 398.239563] ? pvclock_read_flags+0x160/0x160 [ 398.243679] 342293 pages reserved [ 398.243688] 0 pages cma reserved [ 398.246791] ? lapic_next_event+0x5a/0x90 [ 398.251972] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.255844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.260436] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.263776] ? kvm_clock_read+0x18/0x30 [ 398.267123] syz-fuzzer cpuset= [ 398.271266] ? kvm_sched_clock_read+0x9/0x20 [ 398.277742] / [ 398.283277] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.293485] mems_allowed=0 [ 398.297460] ? check_preemption_disabled+0x48/0x280 [ 398.320185] irq_exit+0x17f/0x1c0 [ 398.323646] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.328495] ? smp_reschedule_interrupt+0x109/0x650 [ 398.333543] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.339428] ? interrupt_entry+0xb5/0xc0 [ 398.343503] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.348530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.353573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.358440] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.363468] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.368487] ? task_prio+0x50/0x50 [ 398.372033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.377575] ? check_preemption_disabled+0x48/0x280 [ 398.382599] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.387459] apic_timer_interrupt+0xf/0x20 [ 398.391689] [ 398.393928] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.398857] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 398.417763] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.425489] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.432770] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 398.440036] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 398.447306] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.454573] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 398.461890] skb_clone+0x1bb/0x500 [ 398.465478] ? finish_task_switch+0x2f4/0x910 [ 398.469978] ? skb_split+0x11e0/0x11e0 [ 398.473867] ? preempt_notifier_register+0x200/0x200 [ 398.478976] ? __switch_to_asm+0x34/0x70 [ 398.483039] ? __switch_to_asm+0x34/0x70 [ 398.487097] ? __switch_to_asm+0x40/0x70 [ 398.491157] ? __switch_to_asm+0x34/0x70 [ 398.495218] ? __switch_to_asm+0x40/0x70 [ 398.499291] ? __switch_to_asm+0x34/0x70 [ 398.503362] ? __switch_to_asm+0x40/0x70 [ 398.507432] ? __switch_to_asm+0x34/0x70 [ 398.511508] ? __switch_to_asm+0x34/0x70 [ 398.515565] ? __switch_to_asm+0x40/0x70 [ 398.519636] ? __switch_to_asm+0x34/0x70 [ 398.523706] bpf_clone_redirect+0xb9/0x490 [ 398.527954] ? __schedule+0x8d7/0x21d0 [ 398.531850] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 398.536872] ? __sched_text_start+0x8/0x8 [ 398.541027] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 398.545612] ? find_held_lock+0x36/0x1c0 [ 398.549682] ? lock_acquire+0x1ed/0x520 [ 398.553663] ? bpf_test_run+0x3cb/0x780 [ 398.557641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.563183] ? check_preemption_disabled+0x48/0x280 [ 398.568209] ? kasan_check_read+0x11/0x20 [ 398.572363] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.577646] ? rcu_softirq_qs+0x20/0x20 [ 398.581626] ? preempt_schedule+0x4d/0x60 [ 398.585777] ? ___preempt_schedule+0x16/0x18 [ 398.590211] ? bpf_test_run+0x25d/0x780 [ 398.594210] ? netlink_diag_dump+0x2a0/0x2a0 [ 398.598627] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 398.603404] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 398.608169] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 398.613011] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.619049] ? fput+0x130/0x1a0 [ 398.622352] ? __bpf_prog_get+0x9b/0x290 [ 398.626419] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 398.631268] ? bpf_prog_test_run+0x130/0x1a0 [ 398.635695] ? __x64_sys_bpf+0x3d8/0x520 [ 398.639770] ? bpf_prog_get+0x20/0x20 [ 398.643639] ? do_syscall_64+0x1b9/0x820 [ 398.647717] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.653090] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.658021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.662881] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.667904] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 398.672924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.678483] ? prepare_exit_to_usermode+0x291/0x3b0 [ 398.683518] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.688373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.693760] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 398.693852] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.700441] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.700446] Call Trace: [ 398.700454] [ 398.700472] dump_stack+0x244/0x39d [ 398.700491] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.700518] warn_alloc.cold.117+0xb7/0x1bd [ 398.707095] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.716356] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.718924] syz-executor3 cpuset= [ 398.721071] ? lock_downgrade+0x900/0x900 [ 398.724676] syz3 [ 398.729866] ? trace_hardirqs_off+0xb8/0x310 [ 398.734167] mems_allowed=0 [ 398.744657] ? trace_hardirqs_off+0xb8/0x310 [ 398.770737] __alloc_pages_slowpath+0x2660/0x2d70 [ 398.775629] ? warn_alloc+0x120/0x120 [ 398.779445] ? warn_alloc+0x120/0x120 [ 398.783253] ? print_usage_bug+0xc0/0xc0 [ 398.787353] ? warn_alloc+0x120/0x120 [ 398.791152] ? print_usage_bug+0xc0/0xc0 [ 398.795226] ? __lock_acquire+0x62f/0x4c20 [ 398.799460] ? __lock_acquire+0x62f/0x4c20 [ 398.803713] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.809253] ? should_fail+0x22d/0xd01 [ 398.813144] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.818422] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.823521] ? __lock_acquire+0x62f/0x4c20 [ 398.827766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.832883] ? __lock_acquire+0x62f/0x4c20 [ 398.837134] ? should_fail+0x22d/0xd01 [ 398.841017] ? rcu_irq_exit+0x1a2/0x390 [ 398.845012] ? mark_held_locks+0x130/0x130 [ 398.849252] ? mark_held_locks+0x130/0x130 [ 398.853492] ? mark_held_locks+0xc7/0x130 [ 398.857641] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 398.862657] ? zap_class+0x640/0x640 [ 398.866372] ? print_usage_bug+0xc0/0xc0 [ 398.870437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.875985] ? check_preemption_disabled+0x48/0x280 [ 398.881030] ? __lock_is_held+0xb5/0x140 [ 398.885101] __alloc_pages_nodemask+0xa80/0xde0 [ 398.889769] ? zap_class+0x640/0x640 [ 398.893506] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 398.898575] ? find_held_lock+0x36/0x1c0 [ 398.902651] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.907324] ? lock_downgrade+0x900/0x900 [ 398.911479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.917027] cache_grow_begin+0xa5/0x8c0 [ 398.921092] ? do_raw_spin_unlock+0xa7/0x330 [ 398.925511] fallback_alloc+0x204/0x2e0 [ 398.929504] ____cache_alloc_node+0x1c7/0x1e0 [ 398.934021] kmem_cache_alloc_node+0xe3/0x730 [ 398.938531] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.942788] __alloc_skb+0x119/0x770 [ 398.946502] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 398.951808] ? netdev_alloc_frag+0x1f0/0x1f0 [ 398.956241] ? lock_downgrade+0x900/0x900 [ 398.960397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.965942] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.971405] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.976883] ? addrconf_rs_timer+0x690/0x690 [ 398.981306] ndisc_alloc_skb+0x144/0x340 [ 398.985372] ndisc_send_rs+0x331/0x6e0 [ 398.989263] addrconf_rs_timer+0x314/0x690 [ 398.993503] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.997760] call_timer_fn+0x272/0x920 [ 399.001647] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.005885] ? process_timeout+0x40/0x40 [ 399.009959] ? mark_held_locks+0xc7/0x130 [ 399.014111] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.018610] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.023101] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.027337] ? lockdep_hardirqs_on+0x296/0x5b0 [ 399.031922] ? trace_hardirqs_on+0xbd/0x310 [ 399.036248] ? kasan_check_read+0x11/0x20 [ 399.040406] ? __run_timers+0x7da/0xc70 [ 399.044383] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.049496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.053741] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.057981] __run_timers+0x7e5/0xc70 [ 399.061807] ? timer_fixup_init+0x70/0x70 [ 399.065967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 399.071012] ? zap_class+0x640/0x640 [ 399.074730] ? print_usage_bug+0xc0/0xc0 [ 399.078801] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 399.083998] ? find_held_lock+0x36/0x1c0 [ 399.088067] ? zap_class+0x640/0x640 [ 399.091788] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.097325] ? check_preemption_disabled+0x48/0x280 [ 399.102350] ? __lock_is_held+0xb5/0x140 [ 399.106413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.111959] ? check_preemption_disabled+0x48/0x280 [ 399.116988] run_timer_softirq+0x52/0xb0 [ 399.121052] ? rcu_read_lock_sched_held+0x14f/0x180 [ 399.126072] __do_softirq+0x308/0xb7e [ 399.129880] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 399.134390] ? lock_downgrade+0x900/0x900 [ 399.138548] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 399.143665] ? pvclock_read_flags+0x160/0x160 [ 399.148165] ? lapic_next_event+0x5a/0x90 [ 399.152325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.157871] ? kvm_clock_read+0x18/0x30 [ 399.161847] ? kvm_sched_clock_read+0x9/0x20 [ 399.166263] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.171800] ? check_preemption_disabled+0x48/0x280 [ 399.176845] irq_exit+0x17f/0x1c0 [ 399.180307] smp_apic_timer_interrupt+0x1cb/0x760 [ 399.185150] ? smp_reschedule_interrupt+0x109/0x650 [ 399.190171] ? smp_call_function_single_interrupt+0x650/0x650 [ 399.196062] ? interrupt_entry+0xb5/0xc0 [ 399.200171] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.205197] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.210240] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.215085] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.220150] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.225198] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.230058] apic_timer_interrupt+0xf/0x20 [ 399.234291] [ 399.236532] RIP: 0010:dump_stack+0x358/0x39d [ 399.240943] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 399.259864] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 399.267592] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 399.274864] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 399.282137] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 399.289407] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 399.296675] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 399.303990] ? dump_stack+0x34f/0x39d [ 399.307811] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.313019] dump_header+0x27b/0xf72 [ 399.316759] ? mark_held_locks+0x130/0x130 [ 399.320998] ? pagefault_out_of_memory+0x197/0x197 [ 399.325934] ? __lock_acquire+0x62f/0x4c20 [ 399.330171] ? zap_class+0x640/0x640 [ 399.333894] ? percpu_ref_get_many+0x240/0x240 [ 399.338479] ? print_usage_bug+0xc0/0xc0 [ 399.342541] ? print_usage_bug+0xc0/0xc0 [ 399.346612] ? zap_class+0x640/0x640 [ 399.350328] ? print_usage_bug+0xc0/0xc0 [ 399.354389] ? print_usage_bug+0xc0/0xc0 [ 399.358481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.364034] ? find_held_lock+0x36/0x1c0 [ 399.368117] ? mark_held_locks+0xc7/0x130 [ 399.372272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.377378] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 399.382483] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 399.387070] ? trace_hardirqs_on+0xbd/0x310 [ 399.391399] ? kasan_check_read+0x11/0x20 [ 399.395552] ? ___ratelimit+0x3b4/0x672 [ 399.399533] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.404642] ? trace_hardirqs_on+0x310/0x310 [ 399.409049] ? lock_downgrade+0x900/0x900 [ 399.413216] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.418350] ? ___ratelimit+0x3b9/0x672 [ 399.422330] ? idr_get_free+0xec0/0xec0 [ 399.426306] ? find_held_lock+0x36/0x1c0 [ 399.430388] oom_kill_process.cold.27+0x10/0x903 [ 399.435146] ? zap_class+0x640/0x640 [ 399.438888] ? check_preemption_disabled+0x48/0x280 [ 399.443916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.448844] ? kasan_check_read+0x11/0x20 [ 399.452993] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.458290] ? oom_evaluate_task+0x540/0x540 [ 399.462700] ? find_held_lock+0x36/0x1c0 [ 399.466774] ? out_of_memory+0x974/0x1430 [ 399.470949] ? lock_downgrade+0x900/0x900 [ 399.475118] ? check_preemption_disabled+0x48/0x280 [ 399.480143] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.485086] ? kasan_check_read+0x11/0x20 [ 399.489233] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.494534] ? rcu_softirq_qs+0x20/0x20 [ 399.498517] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.504055] ? oom_evaluate_task+0x302/0x540 [ 399.508473] out_of_memory+0xa84/0x1430 [ 399.512465] ? oom_killer_disable+0x3a0/0x3a0 [ 399.516968] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 399.521904] ? __mutex_add_waiter+0x2a0/0x2a0 [ 399.526474] __alloc_pages_slowpath+0x22d4/0x2d70 [ 399.531352] ? warn_alloc+0x120/0x120 [ 399.535166] ? rcu_softirq_qs+0x20/0x20 [ 399.539212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.544764] ? should_fail+0x22d/0xd01 [ 399.548659] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.553770] ? zap_class+0x640/0x640 [ 399.557512] ? __lock_is_held+0xb5/0x140 [ 399.561599] ? mark_held_locks+0x130/0x130 [ 399.565843] ? lock_release+0xa00/0xa00 [ 399.569826] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.575292] ? __might_sleep+0x95/0x190 [ 399.579275] __alloc_pages_nodemask+0xa80/0xde0 [ 399.583970] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 399.588999] ? __page_cache_alloc+0x191/0x5c0 [ 399.593491] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.598420] ? kasan_check_read+0x11/0x20 [ 399.602570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.607850] ? zap_class+0x640/0x640 [ 399.611584] ? zap_class+0x640/0x640 [ 399.615296] ? zap_class+0x640/0x640 [ 399.619015] ? __do_page_cache_readahead+0x7ce/0x980 [ 399.624126] ? find_held_lock+0x36/0x1c0 [ 399.628203] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 399.633753] alloc_pages_current+0x173/0x350 [ 399.638171] __page_cache_alloc+0x38c/0x5c0 [ 399.642500] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.647430] ? kasan_check_read+0x11/0x20 [ 399.651583] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.656877] ? generic_perform_write+0x6a0/0x6a0 [ 399.661639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.667202] ? check_preemption_disabled+0x48/0x280 [ 399.672236] filemap_fault+0x1594/0x25f0 [ 399.676325] ? __lock_page_or_retry+0xa00/0xa00 [ 399.681000] ? mark_held_locks+0x130/0x130 [ 399.685257] ? rcu_softirq_qs+0x20/0x20 [ 399.689274] ? filemap_map_pages+0xe04/0x1990 [ 399.693799] ? __free_object+0x173/0x340 [ 399.697863] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 399.702797] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.707906] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 399.712592] ? debug_object_free+0x32d/0x690 [ 399.717015] ? kasan_check_read+0x11/0x20 [ 399.721177] ? debug_object_destroy+0x2b0/0x2b0 [ 399.726379] ? lock_pi_update_atomic+0x150/0x150 [ 399.731135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.736697] ? __hrtimer_init+0xdb/0x240 [ 399.740775] ? lock_acquire+0x1ed/0x520 [ 399.744756] ? ext4_filemap_fault+0x7a/0xad [ 399.749087] ? lock_release+0xa00/0xa00 [ 399.753060] ? perf_trace_sched_process_exec+0x860/0x860 [ 399.758514] ? print_usage_bug+0xc0/0xc0 [ 399.762593] ? print_usage_bug+0xc0/0xc0 [ 399.766672] ? down_read+0x8d/0x120 [ 399.770300] ? ext4_filemap_fault+0x7a/0xad [ 399.774629] ? __down_interruptible+0x700/0x700 [ 399.779336] ext4_filemap_fault+0x82/0xad [ 399.783516] __do_fault+0x100/0x6b0 [ 399.787149] ? pmd_devmap_trans_unstable+0x220/0x220 [ 399.792256] ? mark_held_locks+0x130/0x130 [ 399.796493] ? mark_held_locks+0x130/0x130 [ 399.800733] ? debug_smp_processor_id+0x1c/0x20 [ 399.805417] ? perf_trace_lock+0x14d/0x7a0 [ 399.809664] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.815237] __handle_mm_fault+0x307c/0x5920 [ 399.819657] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 399.824504] ? lock_is_held_type+0x210/0x210 [ 399.828936] ? zap_class+0x640/0x640 [ 399.832656] ? zap_class+0x640/0x640 [ 399.836374] ? __x64_sys_futex+0x53e/0x6a0 [ 399.840632] ? find_held_lock+0x36/0x1c0 [ 399.844704] ? handle_mm_fault+0x42a/0xc70 [ 399.848946] ? lock_downgrade+0x900/0x900 [ 399.853100] ? check_preemption_disabled+0x48/0x280 [ 399.858148] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 399.863096] ? kasan_check_read+0x11/0x20 [ 399.867262] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 399.872541] ? rcu_softirq_qs+0x20/0x20 [ 399.876527] ? trace_hardirqs_off_caller+0x310/0x310 [ 399.881644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.887183] ? check_preemption_disabled+0x48/0x280 [ 399.892223] handle_mm_fault+0x54f/0xc70 [ 399.896295] ? __handle_mm_fault+0x5920/0x5920 [ 399.900887] ? find_vma+0x34/0x190 [ 399.904436] __do_page_fault+0x5e8/0xe60 [ 399.908500] ? trace_hardirqs_off+0xb8/0x310 [ 399.912922] ? trace_hardirqs_off+0xb8/0x310 [ 399.917351] do_page_fault+0xf2/0x7e0 [ 399.921152] ? vmalloc_sync_all+0x30/0x30 [ 399.925304] ? error_entry+0x70/0xd0 [ 399.929032] ? trace_hardirqs_off_caller+0xbb/0x310 [ 399.934048] ? trace_hardirqs_on_caller+0xc0/0x310 [ 399.939015] ? syscall_return_slowpath+0x5e0/0x5e0 [ 399.943946] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.948800] ? trace_hardirqs_on_caller+0x310/0x310 [ 399.953818] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.959275] ? prepare_exit_to_usermode+0x291/0x3b0 [ 399.964306] ? page_fault+0x8/0x30 [ 399.967854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 399.972704] ? page_fault+0x8/0x30 [ 399.976248] page_fault+0x1e/0x30 [ 399.979705] RIP: 0033:0x45ddf3 [ 399.982914] Code: Bad RIP value. [ 399.986278] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 399.991644] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 399.998922] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 400.006221] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 400.013488] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 400.020752] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 400.028055] warn_alloc_show_mem: 1 callbacks suppressed [ 400.028067] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 400.028069] Mem-Info: [ 400.028123] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 400.028123] active_file:13 inactive_file:17 isolated_file:0 [ 400.028123] unevictable:0 dirty:0 writeback:0 unstable:0 [ 400.028123] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 400.028123] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 400.028123] free:13759 free_pcp:161 free_cma:0 [ 400.033473] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.040495] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 400.042897] Call Trace: [ 400.075859] Node 0 [ 400.085211] [ 400.114124] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 400.116696] dump_stack+0x244/0x39d [ 400.118899] lowmem_reserve[]: 0 [ 400.121064] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.146553] 2819 [ 400.150196] warn_alloc.cold.117+0xb7/0x1bd [ 400.153445] 6323 [ 400.158640] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.160684] 6323 [ 400.165006] ? lock_downgrade+0x900/0x900 [ 400.171913] ? trace_hardirqs_off+0xb8/0x310 [ 400.173971] Node 0 [ 400.178118] ? trace_hardirqs_off+0xb8/0x310 [ 400.182534] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 400.184750] __alloc_pages_slowpath+0x2660/0x2d70 [ 400.189124] lowmem_reserve[]: 0 [ 400.215880] ? warn_alloc+0x120/0x120 [ 400.220674] 0 [ 400.223975] ? warn_alloc+0x120/0x120 [ 400.227755] 3503 [ 400.229555] ? print_usage_bug+0xc0/0xc0 [ 400.233334] 3503 [ 400.235388] ? warn_alloc+0x120/0x120 [ 400.241502] ? print_usage_bug+0xc0/0xc0 [ 400.245291] Node 0 [ 400.249344] ? __lock_acquire+0x62f/0x4c20 [ 400.249376] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 400.249383] lowmem_reserve[]: [ 400.251618] ? __lock_acquire+0x62f/0x4c20 [ 400.255832] 0 [ 400.284118] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.287199] 0 0 [ 400.291442] ? should_fail+0x22d/0xd01 [ 400.293220] 0 [ 400.298782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.304621] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.306405] Node 0 [ 400.311692] ? __lock_acquire+0x62f/0x4c20 [ 400.316774] DMA: [ 400.319011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.323223] 1*4kB [ 400.325299] ? __lock_acquire+0x62f/0x4c20 [ 400.330378] (U) [ 400.332526] ? should_fail+0x22d/0xd01 [ 400.336739] 0*8kB [ 400.338711] ? rcu_irq_exit+0x1a2/0x390 [ 400.342583] 0*16kB [ 400.344775] ? mark_held_locks+0x130/0x130 [ 400.348713] 1*32kB (U) [ 400.351026] ? mark_held_locks+0x130/0x130 [ 400.355236] 2*64kB (U) [ 400.357828] ? mark_held_locks+0xc7/0x130 [ 400.362031] 1*128kB (U) [ 400.364629] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 400.368754] 1*256kB [ 400.371424] ? zap_class+0x640/0x640 [ 400.376418] (U) 0*512kB [ 400.378753] ? print_usage_bug+0xc0/0xc0 [ 400.382449] 1*1024kB [ 400.385121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.389201] (U) [ 400.391607] ? check_preemption_disabled+0x48/0x280 [ 400.397123] 1*2048kB [ 400.399111] ? __lock_is_held+0xb5/0x140 [ 400.404120] (M) [ 400.406532] __alloc_pages_nodemask+0xa80/0xde0 [ 400.410568] 3*4096kB [ 400.412538] ? zap_class+0x640/0x640 [ 400.417206] (M) [ 400.419613] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 400.423313] = 15908kB [ 400.425294] ? find_held_lock+0x36/0x1c0 [ 400.430284] Node 0 [ 400.432695] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.436727] DMA32: [ 400.439011] ? lock_downgrade+0x900/0x900 [ 400.443663] 5*4kB [ 400.445911] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.450036] (UM) [ 400.452216] cache_grow_begin+0xa5/0x8c0 [ 400.457733] 1*8kB [ 400.459794] ? do_raw_spin_unlock+0xa7/0x330 [ 400.463852] (M) [ 400.466022] fallback_alloc+0x204/0x2e0 [ 400.470408] 3*16kB [ 400.472420] ____cache_alloc_node+0x1c7/0x1e0 [ 400.476369] (M) [ 400.478606] kmem_cache_alloc_node+0xe3/0x730 [ 400.483110] 3*32kB [ 400.485080] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.489553] (UM) [ 400.491795] __alloc_skb+0x119/0x770 [ 400.496005] 2*64kB [ 400.498065] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.501753] (M) [ 400.503989] ? netdev_alloc_frag+0x1f0/0x1f0 [ 400.509236] 2*128kB (M) [ 400.511222] ? lock_downgrade+0x900/0x900 [ 400.515609] 4*256kB [ 400.518282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.522405] (M) [ 400.524728] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.530263] 4*512kB [ 400.532238] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.537662] (UM) [ 400.539981] ? addrconf_rs_timer+0x690/0x690 [ 400.545410] 3*1024kB [ 400.547482] ndisc_alloc_skb+0x144/0x340 [ 400.551854] (UM) [ 400.554263] ndisc_send_rs+0x331/0x6e0 [ 400.558301] 3*2048kB [ 400.560373] addrconf_rs_timer+0x314/0x690 [ 400.564237] (M) [ 400.566651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.570865] 3*4096kB [ 400.572851] call_timer_fn+0x272/0x920 [ 400.577052] (M) [ 400.579465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.583329] = 25132kB [ 400.585304] ? process_timeout+0x40/0x40 [ 400.589519] Node 0 [ 400.591934] ? __run_timers+0x7da/0xc70 [ 400.595986] Normal: [ 400.598225] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.602178] 951*4kB [ 400.604540] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.609006] (UMEH) [ 400.611325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.616051] 234*8kB (UME) [ 400.618302] ? lockdep_hardirqs_on+0x296/0x5b0 [ 400.622516] 222*16kB [ 400.625361] ? trace_hardirqs_on+0xbd/0x310 [ 400.629924] (UMEH) [ 400.632337] ? kasan_check_read+0x11/0x20 [ 400.636629] 132*32kB (UM) [ 400.638881] ? __run_timers+0x7da/0xc70 [ 400.642996] 1*64kB (H) [ 400.645850] ? trace_hardirqs_off_caller+0x310/0x310 [ 400.649800] 0*128kB [ 400.652388] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.657473] 0*256kB [ 400.659801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.664011] 1*512kB [ 400.666337] __run_timers+0x7e5/0xc70 [ 400.670543] (H) [ 400.672875] ? timer_fixup_init+0x70/0x70 [ 400.676648] 0*1024kB [ 400.678623] ? kasan_check_read+0x11/0x20 [ 400.682740] 0*2048kB 0*4096kB [ 400.685166] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 400.689290] = 14028kB [ 400.692488] ? rcu_softirq_qs+0x20/0x20 [ 400.697756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.700164] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.704122] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.712953] ? check_preemption_disabled+0x48/0x280 [ 400.718479] 4244 total pagecache pages [ 400.727066] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.732068] 0 pages in swap cache [ 400.735953] ? retint_kernel+0x2d/0x2d [ 400.740694] Swap cache stats: add 0, delete 0, find 0/0 [ 400.744140] ? trace_hardirqs_on_caller+0xc0/0x310 [ 400.748002] Free swap = 0kB [ 400.748011] Total swap = 0kB [ 400.753378] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 400.758283] 1965979 pages RAM [ 400.761302] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.764292] 0 pages HighMem/MovableOnly [ 400.764302] 342293 pages reserved [ 400.769070] ? zap_class+0x640/0x640 [ 400.772159] 0 pages cma reserved [ 400.777606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.781632] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.785046] ? check_preemption_disabled+0x48/0x280 [ 400.789008] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.792161] ? __lock_is_held+0xb5/0x140 [ 400.797673] syz-fuzzer cpuset= [ 400.804175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.809165] / [ 400.819415] ? check_preemption_disabled+0x48/0x280 [ 400.823545] mems_allowed=0 [ 400.826757] run_timer_softirq+0x52/0xb0 [ 400.845967] ? rcu_read_lock_sched_held+0x14f/0x180 [ 400.850999] __do_softirq+0x308/0xb7e [ 400.854818] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 400.859318] ? lock_downgrade+0x900/0x900 [ 400.863488] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 400.868611] ? pvclock_read_flags+0x160/0x160 [ 400.873118] ? lapic_next_event+0x5a/0x90 [ 400.877275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.882830] ? kvm_clock_read+0x18/0x30 [ 400.886823] ? kvm_sched_clock_read+0x9/0x20 [ 400.891239] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.896784] ? check_preemption_disabled+0x48/0x280 [ 400.901819] irq_exit+0x17f/0x1c0 [ 400.905281] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.910126] ? smp_reschedule_interrupt+0x109/0x650 [ 400.915156] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.921055] ? interrupt_entry+0xb5/0xc0 [ 400.925119] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.930152] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.935180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.940041] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.945056] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.950082] ? task_prio+0x50/0x50 [ 400.953629] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.959174] ? check_preemption_disabled+0x48/0x280 [ 400.964227] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.969089] apic_timer_interrupt+0xf/0x20 [ 400.973327] [ 400.975577] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 400.980526] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 400.999444] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 401.007169] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 401.014449] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 401.021726] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 401.028996] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 401.036266] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 401.043591] skb_clone+0x1bb/0x500 [ 401.047135] ? finish_task_switch+0x2f4/0x910 [ 401.051634] ? skb_split+0x11e0/0x11e0 [ 401.055527] ? preempt_notifier_register+0x200/0x200 [ 401.060633] ? __switch_to_asm+0x34/0x70 [ 401.064698] ? __switch_to_asm+0x34/0x70 [ 401.068757] ? __switch_to_asm+0x40/0x70 [ 401.072816] ? __switch_to_asm+0x34/0x70 [ 401.076881] ? __switch_to_asm+0x40/0x70 [ 401.081118] ? __switch_to_asm+0x34/0x70 [ 401.085180] ? __switch_to_asm+0x40/0x70 [ 401.089247] ? __switch_to_asm+0x34/0x70 [ 401.093314] ? __switch_to_asm+0x34/0x70 [ 401.097376] ? __switch_to_asm+0x40/0x70 [ 401.101434] ? __switch_to_asm+0x34/0x70 [ 401.105512] bpf_clone_redirect+0xb9/0x490 [ 401.109763] ? __schedule+0x8d7/0x21d0 [ 401.113670] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 401.118699] ? __sched_text_start+0x8/0x8 [ 401.122855] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.127447] ? find_held_lock+0x36/0x1c0 [ 401.131531] ? lock_acquire+0x1ed/0x520 [ 401.135507] ? bpf_test_run+0x3cb/0x780 [ 401.139488] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.145025] ? check_preemption_disabled+0x48/0x280 [ 401.150046] ? kasan_check_read+0x11/0x20 [ 401.154208] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.159492] ? rcu_softirq_qs+0x20/0x20 [ 401.163481] ? preempt_schedule+0x4d/0x60 [ 401.167654] ? ___preempt_schedule+0x16/0x18 [ 401.172084] ? bpf_test_run+0x25d/0x780 [ 401.176069] ? netlink_diag_dump+0x2a0/0x2a0 [ 401.180502] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 401.185267] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 401.190033] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 401.194878] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 401.200416] ? fput+0x130/0x1a0 [ 401.203733] ? __bpf_prog_get+0x9b/0x290 [ 401.207798] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 401.212654] ? bpf_prog_test_run+0x130/0x1a0 [ 401.217072] ? __x64_sys_bpf+0x3d8/0x520 [ 401.221137] ? bpf_prog_get+0x20/0x20 [ 401.224963] ? do_syscall_64+0x1b9/0x820 [ 401.229029] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 401.234398] ? syscall_return_slowpath+0x5e0/0x5e0 [ 401.239328] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.244263] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.249285] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 401.254302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.259841] ? prepare_exit_to_usermode+0x291/0x3b0 [ 401.264871] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.269730] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 401.275123] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 401.275219] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 401.281798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.281803] Call Trace: [ 401.281812] [ 401.281832] dump_stack+0x244/0x39d [ 401.281852] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.288469] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 401.297734] warn_alloc.cold.117+0xb7/0x1bd [ 401.300291] syz-executor3 cpuset= [ 401.302445] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.306061] syz3 [ 401.311248] ? lock_downgrade+0x900/0x900 [ 401.321714] mems_allowed=0 [ 401.326035] ? trace_hardirqs_off+0xb8/0x310 [ 401.347717] ? trace_hardirqs_off+0xb8/0x310 [ 401.352149] __alloc_pages_slowpath+0x2660/0x2d70 [ 401.357042] ? warn_alloc+0x120/0x120 [ 401.360851] ? find_held_lock+0x36/0x1c0 [ 401.364916] ? warn_alloc+0x120/0x120 [ 401.368720] ? print_usage_bug+0xc0/0xc0 [ 401.372785] ? warn_alloc+0x120/0x120 [ 401.376589] ? print_usage_bug+0xc0/0xc0 [ 401.380662] ? check_preemption_disabled+0x48/0x280 [ 401.385686] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 401.390619] ? kasan_check_read+0x11/0x20 [ 401.394776] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.400345] ? should_fail+0x22d/0xd01 [ 401.404235] ? rcu_softirq_qs+0x20/0x20 [ 401.408227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.413344] ? __lock_acquire+0x62f/0x4c20 [ 401.417595] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.422699] ? __lock_acquire+0x62f/0x4c20 [ 401.426934] ? should_fail+0x22d/0xd01 [ 401.430844] ? mark_held_locks+0x130/0x130 [ 401.435088] ? mark_held_locks+0x130/0x130 [ 401.439330] ? account_entity_enqueue+0x3a3/0x660 [ 401.444196] ? zap_class+0x640/0x640 [ 401.447911] ? print_usage_bug+0xc0/0xc0 [ 401.451977] ? rcu_softirq_qs+0x20/0x20 [ 401.455971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.461536] ? check_preemption_disabled+0x48/0x280 [ 401.466578] ? __lock_is_held+0xb5/0x140 [ 401.470646] __alloc_pages_nodemask+0xa80/0xde0 [ 401.475318] ? zap_class+0x640/0x640 [ 401.479037] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 401.484069] ? find_held_lock+0x36/0x1c0 [ 401.488153] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.492825] ? lock_downgrade+0x900/0x900 [ 401.496982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.502527] cache_grow_begin+0xa5/0x8c0 [ 401.506593] ? do_raw_spin_unlock+0xa7/0x330 [ 401.511008] fallback_alloc+0x204/0x2e0 [ 401.515009] ____cache_alloc_node+0x1c7/0x1e0 [ 401.519512] kmem_cache_alloc_node+0xe3/0x730 [ 401.524011] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.528276] __alloc_skb+0x119/0x770 [ 401.532004] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 401.537285] ? netdev_alloc_frag+0x1f0/0x1f0 [ 401.541692] ? lock_downgrade+0x900/0x900 [ 401.545851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.551393] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.556863] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.562315] ? addrconf_rs_timer+0x690/0x690 [ 401.566740] ndisc_alloc_skb+0x144/0x340 [ 401.570807] ndisc_send_rs+0x331/0x6e0 [ 401.574701] addrconf_rs_timer+0x314/0x690 [ 401.578945] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.583207] call_timer_fn+0x272/0x920 [ 401.587095] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.591338] ? process_timeout+0x40/0x40 [ 401.595412] ? mark_held_locks+0xc7/0x130 [ 401.599565] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.604059] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.608564] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.612811] ? lockdep_hardirqs_on+0x296/0x5b0 [ 401.617408] ? trace_hardirqs_on+0xbd/0x310 [ 401.621731] ? kasan_check_read+0x11/0x20 [ 401.625883] ? __run_timers+0x7da/0xc70 [ 401.629867] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.634992] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.639230] __run_timers+0x7e5/0xc70 [ 401.643044] ? timer_fixup_init+0x70/0x70 [ 401.647194] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 401.652214] ? zap_class+0x640/0x640 [ 401.656002] ? print_usage_bug+0xc0/0xc0 [ 401.660074] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 401.665273] ? find_held_lock+0x36/0x1c0 [ 401.669339] ? zap_class+0x640/0x640 [ 401.673061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.678602] ? check_preemption_disabled+0x48/0x280 [ 401.683630] ? __lock_is_held+0xb5/0x140 [ 401.687697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.693234] ? check_preemption_disabled+0x48/0x280 [ 401.698278] run_timer_softirq+0x52/0xb0 [ 401.702340] ? rcu_read_lock_sched_held+0x14f/0x180 [ 401.707362] __do_softirq+0x308/0xb7e [ 401.711168] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 401.715662] ? lock_downgrade+0x900/0x900 [ 401.719834] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 401.725441] ? pvclock_read_flags+0x160/0x160 [ 401.729945] ? lapic_next_event+0x5a/0x90 [ 401.734105] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.739651] ? kvm_clock_read+0x18/0x30 [ 401.743626] ? kvm_sched_clock_read+0x9/0x20 [ 401.748041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.753582] ? check_preemption_disabled+0x48/0x280 [ 401.758613] irq_exit+0x17f/0x1c0 [ 401.762077] smp_apic_timer_interrupt+0x1cb/0x760 [ 401.766925] ? smp_reschedule_interrupt+0x109/0x650 [ 401.771949] ? smp_call_function_single_interrupt+0x650/0x650 [ 401.778276] ? interrupt_entry+0xb5/0xc0 [ 401.782342] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.787361] ? trace_hardirqs_off_caller+0xbb/0x310 [ 401.792380] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.797252] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.802288] ? trace_hardirqs_on_caller+0x310/0x310 [ 401.807330] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 401.812202] apic_timer_interrupt+0xf/0x20 [ 401.816438] [ 401.818680] RIP: 0010:dump_stack+0x358/0x39d [ 401.823094] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 401.841993] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 401.849706] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 401.856974] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 401.864239] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 401.871529] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 401.878799] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 401.886096] ? dump_stack+0x34f/0x39d [ 401.889914] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.895150] dump_header+0x27b/0xf72 [ 401.898876] ? mark_held_locks+0x130/0x130 [ 401.903134] ? pagefault_out_of_memory+0x197/0x197 [ 401.908072] ? __lock_acquire+0x62f/0x4c20 [ 401.912303] ? zap_class+0x640/0x640 [ 401.916023] ? percpu_ref_get_many+0x240/0x240 [ 401.920612] ? print_usage_bug+0xc0/0xc0 [ 401.924693] ? print_usage_bug+0xc0/0xc0 [ 401.928762] ? zap_class+0x640/0x640 [ 401.932478] ? print_usage_bug+0xc0/0xc0 [ 401.936543] ? print_usage_bug+0xc0/0xc0 [ 401.940616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.946164] ? find_held_lock+0x36/0x1c0 [ 401.950259] ? mark_held_locks+0xc7/0x130 [ 401.954412] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.959515] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 401.964622] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 401.969215] ? trace_hardirqs_on+0xbd/0x310 [ 401.973552] ? kasan_check_read+0x11/0x20 [ 401.977709] ? ___ratelimit+0x3b4/0x672 [ 401.981685] ? trace_hardirqs_off_caller+0x310/0x310 [ 401.986791] ? trace_hardirqs_on+0x310/0x310 [ 401.991206] ? lock_downgrade+0x900/0x900 [ 401.995380] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 402.000504] ? ___ratelimit+0x3b9/0x672 [ 402.004483] ? idr_get_free+0xec0/0xec0 [ 402.008487] ? find_held_lock+0x36/0x1c0 [ 402.012567] oom_kill_process.cold.27+0x10/0x903 [ 402.017329] ? zap_class+0x640/0x640 [ 402.021047] ? check_preemption_disabled+0x48/0x280 [ 402.026073] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.031000] ? kasan_check_read+0x11/0x20 [ 402.035163] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.040454] ? oom_evaluate_task+0x540/0x540 [ 402.044867] ? find_held_lock+0x36/0x1c0 [ 402.048941] ? out_of_memory+0x974/0x1430 [ 402.053095] ? lock_downgrade+0x900/0x900 [ 402.057244] ? check_preemption_disabled+0x48/0x280 [ 402.062270] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.067208] ? kasan_check_read+0x11/0x20 [ 402.071356] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.076650] ? rcu_softirq_qs+0x20/0x20 [ 402.080640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.086181] ? oom_evaluate_task+0x302/0x540 [ 402.090607] out_of_memory+0xa84/0x1430 [ 402.094596] ? oom_killer_disable+0x3a0/0x3a0 [ 402.099097] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 402.104032] ? __mutex_add_waiter+0x2a0/0x2a0 [ 402.108541] __alloc_pages_slowpath+0x22d4/0x2d70 [ 402.113418] ? warn_alloc+0x120/0x120 [ 402.117239] ? rcu_softirq_qs+0x20/0x20 [ 402.121270] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.126811] ? should_fail+0x22d/0xd01 [ 402.130705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.135817] ? zap_class+0x640/0x640 [ 402.139585] ? __lock_is_held+0xb5/0x140 [ 402.143657] ? mark_held_locks+0x130/0x130 [ 402.147915] ? lock_release+0xa00/0xa00 [ 402.151908] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.157392] ? __might_sleep+0x95/0x190 [ 402.161373] __alloc_pages_nodemask+0xa80/0xde0 [ 402.166049] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 402.171069] ? __page_cache_alloc+0x191/0x5c0 [ 402.175568] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.180495] ? kasan_check_read+0x11/0x20 [ 402.184642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.189926] ? zap_class+0x640/0x640 [ 402.193657] ? zap_class+0x640/0x640 [ 402.197368] ? zap_class+0x640/0x640 [ 402.201081] ? __do_page_cache_readahead+0x7ce/0x980 [ 402.206196] ? find_held_lock+0x36/0x1c0 [ 402.210265] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 402.215809] alloc_pages_current+0x173/0x350 [ 402.220233] __page_cache_alloc+0x38c/0x5c0 [ 402.224554] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.229493] ? kasan_check_read+0x11/0x20 [ 402.233642] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.238925] ? generic_perform_write+0x6a0/0x6a0 [ 402.243700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.249240] ? check_preemption_disabled+0x48/0x280 [ 402.254271] filemap_fault+0x1594/0x25f0 [ 402.258365] ? __lock_page_or_retry+0xa00/0xa00 [ 402.263037] ? mark_held_locks+0x130/0x130 [ 402.267276] ? rcu_softirq_qs+0x20/0x20 [ 402.271268] ? filemap_map_pages+0xe04/0x1990 [ 402.275774] ? __free_object+0x173/0x340 [ 402.279842] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 402.284778] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.289892] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 402.294588] ? debug_object_free+0x32d/0x690 [ 402.299014] ? kasan_check_read+0x11/0x20 [ 402.303169] ? debug_object_destroy+0x2b0/0x2b0 [ 402.307853] ? lock_pi_update_atomic+0x150/0x150 [ 402.312610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.318148] ? __hrtimer_init+0xdb/0x240 [ 402.322233] ? lock_acquire+0x1ed/0x520 [ 402.326218] ? ext4_filemap_fault+0x7a/0xad [ 402.330551] ? lock_release+0xa00/0xa00 [ 402.334530] ? perf_trace_sched_process_exec+0x860/0x860 [ 402.339988] ? print_usage_bug+0xc0/0xc0 [ 402.344049] ? print_usage_bug+0xc0/0xc0 [ 402.348124] ? down_read+0x8d/0x120 [ 402.351750] ? ext4_filemap_fault+0x7a/0xad [ 402.356076] ? __down_interruptible+0x700/0x700 [ 402.360761] ext4_filemap_fault+0x82/0xad [ 402.364942] __do_fault+0x100/0x6b0 [ 402.368578] ? pmd_devmap_trans_unstable+0x220/0x220 [ 402.373713] ? mark_held_locks+0x130/0x130 [ 402.377957] ? mark_held_locks+0x130/0x130 [ 402.382200] ? debug_smp_processor_id+0x1c/0x20 [ 402.386868] ? perf_trace_lock+0x14d/0x7a0 [ 402.391123] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.396668] __handle_mm_fault+0x307c/0x5920 [ 402.401087] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 402.405962] ? lock_is_held_type+0x210/0x210 [ 402.410406] ? zap_class+0x640/0x640 [ 402.414119] ? zap_class+0x640/0x640 [ 402.417834] ? __x64_sys_futex+0x53e/0x6a0 [ 402.422077] ? find_held_lock+0x36/0x1c0 [ 402.426154] ? handle_mm_fault+0x42a/0xc70 [ 402.430400] ? lock_downgrade+0x900/0x900 [ 402.434548] ? check_preemption_disabled+0x48/0x280 [ 402.439576] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 402.444512] ? kasan_check_read+0x11/0x20 [ 402.448666] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.453948] ? rcu_softirq_qs+0x20/0x20 [ 402.457931] ? trace_hardirqs_off_caller+0x310/0x310 [ 402.463041] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.468584] ? check_preemption_disabled+0x48/0x280 [ 402.473614] handle_mm_fault+0x54f/0xc70 [ 402.477680] ? __handle_mm_fault+0x5920/0x5920 [ 402.482269] ? find_vma+0x34/0x190 [ 402.485820] __do_page_fault+0x5e8/0xe60 [ 402.489879] ? trace_hardirqs_off+0xb8/0x310 [ 402.494297] ? trace_hardirqs_off+0xb8/0x310 [ 402.498717] do_page_fault+0xf2/0x7e0 [ 402.502525] ? vmalloc_sync_all+0x30/0x30 [ 402.506691] ? error_entry+0x70/0xd0 [ 402.510419] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.515436] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.520369] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.525295] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.530142] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.535158] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.540648] ? prepare_exit_to_usermode+0x291/0x3b0 [ 402.545668] ? page_fault+0x8/0x30 [ 402.549236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.554111] ? page_fault+0x8/0x30 [ 402.557655] page_fault+0x1e/0x30 [ 402.561123] RIP: 0033:0x45ddf3 [ 402.564334] Code: Bad RIP value. [ 402.567696] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 402.573065] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 402.580334] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 402.587598] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 402.594863] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 402.602128] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 402.609426] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 402.609431] warn_alloc_show_mem: 1 callbacks suppressed [ 402.609438] Mem-Info: [ 402.616971] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.616980] Call Trace: [ 402.622371] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 402.622371] active_file:13 inactive_file:17 isolated_file:0 [ 402.622371] unevictable:0 dirty:0 writeback:0 unstable:0 [ 402.622371] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 402.622371] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 402.622371] free:13759 free_pcp:161 free_cma:0 [ 402.624749] [ 402.634115] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 402.636703] dump_stack+0x244/0x39d [ 402.669651] Node 0 [ 402.671804] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.699484] 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 [ 402.703107] warn_alloc.cold.117+0xb7/0x1bd [ 402.705315] lowmem_reserve[]: [ 402.710500] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.735979] 0 2819 [ 402.740320] ? lock_downgrade+0x900/0x900 [ 402.743399] 6323 [ 402.748246] ? trace_hardirqs_off+0xb8/0x310 [ 402.750456] 6323 [ 402.754614] ? trace_hardirqs_off+0xb8/0x310 [ 402.756655] Node 0 [ 402.761065] __alloc_pages_slowpath+0x2660/0x2d70 [ 402.763137] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 402.767558] ? warn_alloc+0x120/0x120 [ 402.769742] lowmem_reserve[]: 0 [ 402.774591] ? warn_alloc+0x120/0x120 [ 402.801284] 0 3503 [ 402.805095] ? print_usage_bug+0xc0/0xc0 [ 402.808367] 3503 [ 402.812203] ? warn_alloc+0x120/0x120 [ 402.818501] ? print_usage_bug+0xc0/0xc0 [ 402.820551] Node 0 [ 402.824357] ? __lock_acquire+0x62f/0x4c20 [ 402.824373] ? __lock_acquire+0x62f/0x4c20 [ 402.828446] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 402.830673] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.834891] lowmem_reserve[]: 0 [ 402.839148] ? should_fail+0x22d/0xd01 [ 402.867411] 0 [ 402.872959] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 402.876220] 0 [ 402.880131] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.881906] 0 [ 402.887174] ? __lock_acquire+0x62f/0x4c20 [ 402.894113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.895894] Node 0 [ 402.900122] ? __lock_acquire+0x62f/0x4c20 [ 402.905208] DMA: [ 402.907443] ? should_fail+0x22d/0xd01 [ 402.911659] 1*4kB [ 402.913716] ? rcu_irq_exit+0x1a2/0x390 [ 402.917583] (U) [ 402.919736] ? mark_held_locks+0x130/0x130 [ 402.923686] 0*8kB [ 402.925657] ? mark_held_locks+0x130/0x130 [ 402.929867] 0*16kB [ 402.932019] ? mark_held_locks+0xc7/0x130 [ 402.936231] 1*32kB [ 402.938473] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 402.942597] (U) [ 402.944829] ? zap_class+0x640/0x640 [ 402.949831] 2*64kB [ 402.951817] ? print_usage_bug+0xc0/0xc0 [ 402.955522] (U) [ 402.957781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.961823] 1*128kB [ 402.963795] ? check_preemption_disabled+0x48/0x280 [ 402.969305] (U) [ 402.971632] ? __lock_is_held+0xb5/0x140 [ 402.976615] 1*256kB (U) [ 402.978603] __alloc_pages_nodemask+0xa80/0xde0 [ 402.982638] 0*512kB [ 402.985305] ? zap_class+0x640/0x640 [ 402.989960] 1*1024kB [ 402.992282] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 402.995978] (U) [ 402.998394] ? find_held_lock+0x36/0x1c0 [ 403.003381] 1*2048kB [ 403.005364] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.009404] (M) 3*4096kB [ 403.011851] ? lock_downgrade+0x900/0x900 [ 403.016503] (M) [ 403.019271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.023394] = 15908kB [ 403.025364] cache_grow_begin+0xa5/0x8c0 [ 403.030912] Node 0 [ 403.033324] ? do_raw_spin_unlock+0xa7/0x330 [ 403.037364] DMA32: [ 403.039606] fallback_alloc+0x204/0x2e0 [ 403.043992] 5*4kB [ 403.046238] ____cache_alloc_node+0x1c7/0x1e0 [ 403.050195] (UM) [ 403.052333] kmem_cache_alloc_node+0xe3/0x730 [ 403.056805] 1*8kB [ 403.058867] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.063339] (M) [ 403.065498] __alloc_skb+0x119/0x770 [ 403.069704] 3*16kB [ 403.071687] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.075371] (M) [ 403.077610] ? netdev_alloc_frag+0x1f0/0x1f0 [ 403.082868] 3*32kB [ 403.084838] ? lock_downgrade+0x900/0x900 [ 403.089223] (UM) [ 403.091465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.095585] 2*64kB [ 403.097655] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.103164] (M) [ 403.105400] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.110832] 2*128kB [ 403.112809] ? addrconf_rs_timer+0x690/0x690 [ 403.118243] (M) [ 403.120572] ndisc_alloc_skb+0x144/0x340 [ 403.124960] 4*256kB [ 403.126929] ndisc_send_rs+0x331/0x6e0 [ 403.130974] (M) [ 403.133308] addrconf_rs_timer+0x314/0x690 [ 403.137165] 4*512kB (UM) [ 403.139155] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.143367] 3*1024kB [ 403.146133] call_timer_fn+0x272/0x920 [ 403.150336] (UM) [ 403.152740] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.156608] 3*2048kB [ 403.158668] ? process_timeout+0x40/0x40 [ 403.162879] (M) [ 403.165307] ? __run_timers+0x7da/0xc70 [ 403.169372] 3*4096kB [ 403.171361] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.175312] (M) = 25132kB [ 403.177730] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.182212] Node 0 [ 403.184968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.189446] Normal: 951*4kB [ 403.191696] ? lockdep_hardirqs_on+0x296/0x5b0 [ 403.195909] (UMEH) [ 403.198925] ? trace_hardirqs_on+0xbd/0x310 [ 403.203483] 234*8kB (UME) [ 403.205726] ? kasan_check_read+0x11/0x20 [ 403.210022] 222*16kB [ 403.212860] ? __run_timers+0x7da/0xc70 [ 403.216989] (UMEH) [ 403.219399] ? trace_hardirqs_off_caller+0x310/0x310 [ 403.223352] 132*32kB [ 403.225595] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.230690] (UM) [ 403.233098] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.237317] 1*64kB [ 403.239383] __run_timers+0x7e5/0xc70 [ 403.243598] (H) [ 403.245838] ? timer_fixup_init+0x70/0x70 [ 403.249624] 0*128kB [ 403.251596] ? kasan_check_read+0x11/0x20 [ 403.255721] 0*256kB [ 403.258041] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.262179] 1*512kB [ 403.264501] ? rcu_softirq_qs+0x20/0x20 [ 403.269754] (H) [ 403.272074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.276023] 0*1024kB 0*2048kB [ 403.278005] ? check_preemption_disabled+0x48/0x280 [ 403.283518] 0*4096kB [ 403.286712] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 403.291702] = 14028kB [ 403.294112] ? retint_kernel+0x2d/0x2d [ 403.298855] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.301268] ? trace_hardirqs_on_caller+0xc0/0x310 [ 403.305140] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.313971] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 403.318885] 4244 total pagecache pages [ 403.327463] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.332220] 0 pages in swap cache [ 403.336089] ? zap_class+0x640/0x640 [ 403.341520] Swap cache stats: add 0, delete 0, find 0/0 [ 403.344973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.348665] Free swap = 0kB [ 403.354026] ? check_preemption_disabled+0x48/0x280 [ 403.359540] Total swap = 0kB [ 403.362558] ? __lock_is_held+0xb5/0x140 [ 403.367546] 1965979 pages RAM [ 403.370560] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.374602] 0 pages HighMem/MovableOnly [ 403.377704] ? check_preemption_disabled+0x48/0x280 [ 403.383228] 342293 pages reserved [ 403.383250] 0 pages cma reserved [ 403.387267] run_timer_softirq+0x52/0xb0 [ 403.392327] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.395704] ? rcu_read_lock_sched_held+0x14f/0x180 [ 403.399146] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.403109] __do_softirq+0x308/0xb7e [ 403.409590] syz-fuzzer cpuset= [ 403.414601] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 403.424801] / [ 403.428597] ? lock_downgrade+0x900/0x900 [ 403.431771] mems_allowed=0 [ 403.436272] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 403.450121] ? pvclock_read_flags+0x160/0x160 [ 403.454618] ? lapic_next_event+0x5a/0x90 [ 403.458772] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.464339] ? kvm_clock_read+0x18/0x30 [ 403.468313] ? kvm_sched_clock_read+0x9/0x20 [ 403.472728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.478289] ? check_preemption_disabled+0x48/0x280 [ 403.483319] irq_exit+0x17f/0x1c0 [ 403.486777] smp_apic_timer_interrupt+0x1cb/0x760 [ 403.491624] ? smp_reschedule_interrupt+0x109/0x650 [ 403.496654] ? smp_call_function_single_interrupt+0x650/0x650 [ 403.502539] ? interrupt_entry+0xb5/0xc0 [ 403.506618] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.511636] ? trace_hardirqs_off_caller+0xbb/0x310 [ 403.516657] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.521500] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.526517] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.531532] ? task_prio+0x50/0x50 [ 403.535076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.540639] ? check_preemption_disabled+0x48/0x280 [ 403.545671] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.550527] apic_timer_interrupt+0xf/0x20 [ 403.554755] [ 403.556998] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 403.561943] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 403.580840] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 403.588566] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 403.595856] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 403.603145] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 403.610413] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 403.617692] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 403.625022] skb_clone+0x1bb/0x500 [ 403.628564] ? finish_task_switch+0x2f4/0x910 [ 403.633070] ? skb_split+0x11e0/0x11e0 [ 403.636973] ? preempt_notifier_register+0x200/0x200 [ 403.642073] ? __switch_to_asm+0x34/0x70 [ 403.646136] ? __switch_to_asm+0x34/0x70 [ 403.650198] ? __switch_to_asm+0x40/0x70 [ 403.654287] ? __switch_to_asm+0x34/0x70 [ 403.658348] ? __switch_to_asm+0x40/0x70 [ 403.662405] ? __switch_to_asm+0x34/0x70 [ 403.666472] ? __switch_to_asm+0x40/0x70 [ 403.670578] ? __switch_to_asm+0x34/0x70 [ 403.674639] ? __switch_to_asm+0x34/0x70 [ 403.678703] ? __switch_to_asm+0x40/0x70 [ 403.682765] ? __switch_to_asm+0x34/0x70 [ 403.686839] bpf_clone_redirect+0xb9/0x490 [ 403.691080] ? __schedule+0x8d7/0x21d0 [ 403.694974] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 403.700009] ? __sched_text_start+0x8/0x8 [ 403.704166] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 403.708759] ? find_held_lock+0x36/0x1c0 [ 403.712830] ? lock_acquire+0x1ed/0x520 [ 403.716838] ? bpf_test_run+0x3cb/0x780 [ 403.720815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.726588] ? check_preemption_disabled+0x48/0x280 [ 403.731612] ? kasan_check_read+0x11/0x20 [ 403.735763] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.741058] ? rcu_softirq_qs+0x20/0x20 [ 403.745037] ? preempt_schedule+0x4d/0x60 [ 403.749187] ? ___preempt_schedule+0x16/0x18 [ 403.753617] ? bpf_test_run+0x25d/0x780 [ 403.757609] ? netlink_diag_dump+0x2a0/0x2a0 [ 403.762020] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 403.766782] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 403.771550] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.776389] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 403.781925] ? fput+0x130/0x1a0 [ 403.785208] ? __bpf_prog_get+0x9b/0x290 [ 403.789276] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 403.794121] ? bpf_prog_test_run+0x130/0x1a0 [ 403.798534] ? __x64_sys_bpf+0x3d8/0x520 [ 403.802597] ? bpf_prog_get+0x20/0x20 [ 403.806419] ? do_syscall_64+0x1b9/0x820 [ 403.810494] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 403.815860] ? syscall_return_slowpath+0x5e0/0x5e0 [ 403.820793] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.825645] ? trace_hardirqs_on_caller+0x310/0x310 [ 403.830689] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 403.835715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.841267] ? prepare_exit_to_usermode+0x291/0x3b0 [ 403.846296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 403.851149] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 403.856539] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 403.856645] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.863219] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.863225] Call Trace: [ 403.863233] [ 403.863251] dump_stack+0x244/0x39d [ 403.863272] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.870687] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.879120] warn_alloc.cold.117+0xb7/0x1bd [ 403.881816] syz-executor3 cpuset= [ 403.883970] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.883990] ? lock_downgrade+0x900/0x900 [ 403.887782] syz3 [ 403.892922] ? trace_hardirqs_off+0xb8/0x310 [ 403.892963] ? trace_hardirqs_off+0xb8/0x310 [ 403.892988] __alloc_pages_slowpath+0x2660/0x2d70 [ 403.893035] ? warn_alloc+0x120/0x120 [ 403.903636] mems_allowed=0 [ 403.907968] ? warn_alloc+0x120/0x120 [ 403.946506] ? print_usage_bug+0xc0/0xc0 [ 403.950574] ? warn_alloc+0x120/0x120 [ 403.954378] ? print_usage_bug+0xc0/0xc0 [ 403.958463] ? __lock_acquire+0x62f/0x4c20 [ 403.962699] ? __lock_acquire+0x62f/0x4c20 [ 403.966958] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.972499] ? should_fail+0x22d/0xd01 [ 403.976389] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 403.981671] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.986774] ? __lock_acquire+0x62f/0x4c20 [ 403.991020] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.996130] ? __lock_acquire+0x62f/0x4c20 [ 404.000396] ? should_fail+0x22d/0xd01 [ 404.004299] ? rcu_irq_exit+0x1a2/0x390 [ 404.008286] ? mark_held_locks+0x130/0x130 [ 404.012527] ? mark_held_locks+0x130/0x130 [ 404.016772] ? mark_held_locks+0xc7/0x130 [ 404.020927] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 404.025964] ? zap_class+0x640/0x640 [ 404.029679] ? print_usage_bug+0xc0/0xc0 [ 404.033746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.039285] ? check_preemption_disabled+0x48/0x280 [ 404.044315] ? __lock_is_held+0xb5/0x140 [ 404.048394] __alloc_pages_nodemask+0xa80/0xde0 [ 404.053067] ? zap_class+0x640/0x640 [ 404.056798] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 404.061831] ? find_held_lock+0x36/0x1c0 [ 404.065908] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.070600] ? lock_downgrade+0x900/0x900 [ 404.074755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.080298] cache_grow_begin+0xa5/0x8c0 [ 404.084364] ? do_raw_spin_unlock+0xa7/0x330 [ 404.088782] fallback_alloc+0x204/0x2e0 [ 404.092765] ____cache_alloc_node+0x1c7/0x1e0 [ 404.097270] kmem_cache_alloc_node+0xe3/0x730 [ 404.101766] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.106015] __alloc_skb+0x119/0x770 [ 404.109743] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.115030] ? netdev_alloc_frag+0x1f0/0x1f0 [ 404.119439] ? lock_downgrade+0x900/0x900 [ 404.123596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.129136] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.134608] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.140070] ? addrconf_rs_timer+0x690/0x690 [ 404.144493] ndisc_alloc_skb+0x144/0x340 [ 404.148566] ndisc_send_rs+0x331/0x6e0 [ 404.152460] addrconf_rs_timer+0x314/0x690 [ 404.156707] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.160966] call_timer_fn+0x272/0x920 [ 404.164877] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.169142] ? process_timeout+0x40/0x40 [ 404.173224] ? mark_held_locks+0xc7/0x130 [ 404.177379] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.181894] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.186381] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.190642] ? lockdep_hardirqs_on+0x296/0x5b0 [ 404.195231] ? trace_hardirqs_on+0xbd/0x310 [ 404.199555] ? kasan_check_read+0x11/0x20 [ 404.203707] ? __run_timers+0x7da/0xc70 [ 404.207689] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.212799] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.217044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.221275] __run_timers+0x7e5/0xc70 [ 404.225157] ? timer_fixup_init+0x70/0x70 [ 404.229318] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 404.234338] ? zap_class+0x640/0x640 [ 404.238065] ? print_usage_bug+0xc0/0xc0 [ 404.242138] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 404.247338] ? find_held_lock+0x36/0x1c0 [ 404.251406] ? zap_class+0x640/0x640 [ 404.255128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.260670] ? check_preemption_disabled+0x48/0x280 [ 404.265699] ? __lock_is_held+0xb5/0x140 [ 404.269766] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.275314] ? check_preemption_disabled+0x48/0x280 [ 404.280353] run_timer_softirq+0x52/0xb0 [ 404.284425] ? rcu_read_lock_sched_held+0x14f/0x180 [ 404.289455] __do_softirq+0x308/0xb7e [ 404.293262] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 404.297756] ? lock_downgrade+0x900/0x900 [ 404.301914] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 404.307032] ? pvclock_read_flags+0x160/0x160 [ 404.311537] ? lapic_next_event+0x5a/0x90 [ 404.315691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.321240] ? kvm_clock_read+0x18/0x30 [ 404.325220] ? kvm_sched_clock_read+0x9/0x20 [ 404.329634] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.335187] ? check_preemption_disabled+0x48/0x280 [ 404.340250] irq_exit+0x17f/0x1c0 [ 404.343724] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.348569] ? smp_reschedule_interrupt+0x109/0x650 [ 404.353591] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.359488] ? interrupt_entry+0xb5/0xc0 [ 404.363552] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.368570] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.373590] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.378433] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.383458] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.388498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.393356] apic_timer_interrupt+0xf/0x20 [ 404.397587] [ 404.399825] RIP: 0010:dump_stack+0x358/0x39d [ 404.404241] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 404.423144] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 404.430854] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 404.438125] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 404.445391] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 404.452661] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 404.459929] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 404.467237] ? dump_stack+0x34f/0x39d [ 404.471059] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.476266] dump_header+0x27b/0xf72 [ 404.480002] ? mark_held_locks+0x130/0x130 [ 404.484256] ? pagefault_out_of_memory+0x197/0x197 [ 404.489206] ? __lock_acquire+0x62f/0x4c20 [ 404.493445] ? zap_class+0x640/0x640 [ 404.497163] ? percpu_ref_get_many+0x240/0x240 [ 404.501764] ? print_usage_bug+0xc0/0xc0 [ 404.505829] ? print_usage_bug+0xc0/0xc0 [ 404.509907] ? zap_class+0x640/0x640 [ 404.513635] ? print_usage_bug+0xc0/0xc0 [ 404.517698] ? print_usage_bug+0xc0/0xc0 [ 404.521769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.527315] ? find_held_lock+0x36/0x1c0 [ 404.531387] ? mark_held_locks+0xc7/0x130 [ 404.535570] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.540689] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 404.545798] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 404.550383] ? trace_hardirqs_on+0xbd/0x310 [ 404.554706] ? kasan_check_read+0x11/0x20 [ 404.558887] ? ___ratelimit+0x3b4/0x672 [ 404.562909] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.568038] ? trace_hardirqs_on+0x310/0x310 [ 404.572450] ? lock_downgrade+0x900/0x900 [ 404.576607] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.581735] ? ___ratelimit+0x3b9/0x672 [ 404.585711] ? idr_get_free+0xec0/0xec0 [ 404.589689] ? find_held_lock+0x36/0x1c0 [ 404.593770] oom_kill_process.cold.27+0x10/0x903 [ 404.598527] ? zap_class+0x640/0x640 [ 404.602243] ? check_preemption_disabled+0x48/0x280 [ 404.607270] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.612223] ? kasan_check_read+0x11/0x20 [ 404.616582] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.621868] ? oom_evaluate_task+0x540/0x540 [ 404.626295] ? find_held_lock+0x36/0x1c0 [ 404.630369] ? out_of_memory+0x974/0x1430 [ 404.634518] ? lock_downgrade+0x900/0x900 [ 404.638665] ? check_preemption_disabled+0x48/0x280 [ 404.643688] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.648618] ? kasan_check_read+0x11/0x20 [ 404.652769] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.658060] ? rcu_softirq_qs+0x20/0x20 [ 404.662042] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.667583] ? oom_evaluate_task+0x302/0x540 [ 404.672006] out_of_memory+0xa84/0x1430 [ 404.676002] ? oom_killer_disable+0x3a0/0x3a0 [ 404.680542] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 404.685482] ? __mutex_add_waiter+0x2a0/0x2a0 [ 404.689999] __alloc_pages_slowpath+0x22d4/0x2d70 [ 404.694888] ? warn_alloc+0x120/0x120 [ 404.698710] ? rcu_softirq_qs+0x20/0x20 [ 404.702721] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.708269] ? should_fail+0x22d/0xd01 [ 404.712175] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.717282] ? zap_class+0x640/0x640 [ 404.721025] ? __lock_is_held+0xb5/0x140 [ 404.725106] ? mark_held_locks+0x130/0x130 [ 404.729350] ? lock_release+0xa00/0xa00 [ 404.733334] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.738805] ? __might_sleep+0x95/0x190 [ 404.742787] __alloc_pages_nodemask+0xa80/0xde0 [ 404.747469] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 404.752507] ? __page_cache_alloc+0x191/0x5c0 [ 404.757006] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.761935] ? kasan_check_read+0x11/0x20 [ 404.766090] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.771371] ? zap_class+0x640/0x640 [ 404.775097] ? zap_class+0x640/0x640 [ 404.778809] ? zap_class+0x640/0x640 [ 404.782536] ? __do_page_cache_readahead+0x7ce/0x980 [ 404.787648] ? find_held_lock+0x36/0x1c0 [ 404.791716] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 404.797261] alloc_pages_current+0x173/0x350 [ 404.801684] __page_cache_alloc+0x38c/0x5c0 [ 404.806009] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 404.810942] ? kasan_check_read+0x11/0x20 [ 404.815092] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 404.820388] ? generic_perform_write+0x6a0/0x6a0 [ 404.825149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.830692] ? check_preemption_disabled+0x48/0x280 [ 404.835719] filemap_fault+0x1594/0x25f0 [ 404.839799] ? __lock_page_or_retry+0xa00/0xa00 [ 404.844487] ? mark_held_locks+0x130/0x130 [ 404.848726] ? rcu_softirq_qs+0x20/0x20 [ 404.852719] ? filemap_map_pages+0xe04/0x1990 [ 404.857231] ? __free_object+0x173/0x340 [ 404.861309] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 404.866246] ? trace_hardirqs_off_caller+0x310/0x310 [ 404.871354] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 404.876041] ? debug_object_free+0x32d/0x690 [ 404.880451] ? kasan_check_read+0x11/0x20 [ 404.884609] ? debug_object_destroy+0x2b0/0x2b0 [ 404.889284] ? lock_pi_update_atomic+0x150/0x150 [ 404.894041] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.899581] ? __hrtimer_init+0xdb/0x240 [ 404.903658] ? lock_acquire+0x1ed/0x520 [ 404.907634] ? ext4_filemap_fault+0x7a/0xad [ 404.911967] ? lock_release+0xa00/0xa00 [ 404.915946] ? perf_trace_sched_process_exec+0x860/0x860 [ 404.921403] ? print_usage_bug+0xc0/0xc0 [ 404.925470] ? print_usage_bug+0xc0/0xc0 [ 404.929545] ? down_read+0x8d/0x120 [ 404.933176] ? ext4_filemap_fault+0x7a/0xad [ 404.937503] ? __down_interruptible+0x700/0x700 [ 404.942199] ext4_filemap_fault+0x82/0xad [ 404.946354] __do_fault+0x100/0x6b0 [ 404.949998] ? pmd_devmap_trans_unstable+0x220/0x220 [ 404.955105] ? mark_held_locks+0x130/0x130 [ 404.959350] ? mark_held_locks+0x130/0x130 [ 404.963588] ? debug_smp_processor_id+0x1c/0x20 [ 404.968259] ? perf_trace_lock+0x14d/0x7a0 [ 404.972514] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.978063] __handle_mm_fault+0x307c/0x5920 [ 404.982487] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 404.987344] ? lock_is_held_type+0x210/0x210 [ 404.991789] ? zap_class+0x640/0x640 [ 404.995505] ? zap_class+0x640/0x640 [ 404.999222] ? __x64_sys_futex+0x53e/0x6a0 [ 405.003463] ? find_held_lock+0x36/0x1c0 [ 405.007550] ? handle_mm_fault+0x42a/0xc70 [ 405.011787] ? lock_downgrade+0x900/0x900 [ 405.015946] ? check_preemption_disabled+0x48/0x280 [ 405.020982] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 405.025911] ? kasan_check_read+0x11/0x20 [ 405.030059] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.035336] ? rcu_softirq_qs+0x20/0x20 [ 405.039309] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.044412] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.049960] ? check_preemption_disabled+0x48/0x280 [ 405.055014] handle_mm_fault+0x54f/0xc70 [ 405.059084] ? __handle_mm_fault+0x5920/0x5920 [ 405.063683] ? find_vma+0x34/0x190 [ 405.067231] __do_page_fault+0x5e8/0xe60 [ 405.071295] ? trace_hardirqs_off+0xb8/0x310 [ 405.075706] ? trace_hardirqs_off+0xb8/0x310 [ 405.080124] do_page_fault+0xf2/0x7e0 [ 405.083960] ? vmalloc_sync_all+0x30/0x30 [ 405.088137] ? error_entry+0x70/0xd0 [ 405.091869] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.096889] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.101838] ? syscall_return_slowpath+0x5e0/0x5e0 [ 405.106770] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.111623] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.116640] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.122100] ? prepare_exit_to_usermode+0x291/0x3b0 [ 405.127123] ? page_fault+0x8/0x30 [ 405.130672] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.135521] ? page_fault+0x8/0x30 [ 405.139079] page_fault+0x1e/0x30 [ 405.142533] RIP: 0033:0x45ddf3 [ 405.145744] Code: Bad RIP value. [ 405.149108] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 405.154477] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 405.161743] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 405.169023] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 405.176289] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 405.183557] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 405.190866] warn_alloc_show_mem: 1 callbacks suppressed [ 405.190878] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 405.190880] Mem-Info: [ 405.190911] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 405.190911] active_file:13 inactive_file:17 isolated_file:0 [ 405.190911] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.190911] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 405.190911] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 405.190911] free:13759 free_pcp:161 free_cma:0 [ 405.196261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.203296] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.205697] Call Trace: [ 405.238675] Node 0 [ 405.248025] [ 405.275709] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 405.278273] dump_stack+0x244/0x39d [ 405.280474] lowmem_reserve[]: 0 [ 405.282631] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.308127] 2819 6323 [ 405.311773] warn_alloc.cold.117+0xb7/0x1bd [ 405.315031] 6323 [ 405.320217] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.327047] ? lock_downgrade+0x900/0x900 [ 405.329090] Node 0 [ 405.333954] ? trace_hardirqs_off+0xb8/0x310 [ 405.338104] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 405.340314] ? trace_hardirqs_off+0xb8/0x310 [ 405.344699] lowmem_reserve[]: [ 405.371424] __alloc_pages_slowpath+0x2660/0x2d70 [ 405.375807] 0 [ 405.378973] ? warn_alloc+0x120/0x120 [ 405.383774] 0 [ 405.385580] ? warn_alloc+0x120/0x120 [ 405.389362] 3503 [ 405.391163] ? print_usage_bug+0xc0/0xc0 [ 405.394937] 3503 [ 405.397017] ? print_bfs_bug+0x80/0x80 [ 405.401059] Node 0 [ 405.403122] ? lock_downgrade+0x900/0x900 [ 405.407013] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 405.409234] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.413360] lowmem_reserve[]: [ 405.441652] ? should_fail+0x22d/0xd01 [ 405.447170] 0 [ 405.450289] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 405.454152] 0 [ 405.455955] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.461818] 0 [ 405.463616] ? __lock_acquire+0x62f/0x4c20 [ 405.468695] 0 [ 405.470497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.476535] ? should_fail+0x22d/0xd01 [ 405.481628] Node 0 DMA: 1*4kB [ 405.485525] ? mark_held_locks+0x130/0x130 [ 405.485541] ? mark_held_locks+0x130/0x130 [ 405.488718] (U) [ 405.492957] ? print_usage_bug+0xc0/0xc0 [ 405.497199] 0*8kB [ 405.499174] ? find_held_lock+0x36/0x1c0 [ 405.503214] 0*16kB [ 405.505357] ? zap_class+0x640/0x640 [ 405.509398] 1*32kB [ 405.511634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.515324] (U) [ 405.517557] ? check_preemption_disabled+0x48/0x280 [ 405.523073] 2*64kB [ 405.525049] ? __lock_is_held+0xb5/0x140 [ 405.530040] (U) [ 405.532279] __alloc_pages_nodemask+0xa80/0xde0 [ 405.536316] 1*128kB [ 405.538286] ? zap_class+0x640/0x640 [ 405.542926] (U) 1*256kB [ 405.545257] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 405.548959] (U) [ 405.551650] ? find_held_lock+0x36/0x1c0 [ 405.556642] 0*512kB [ 405.558621] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.562653] 1*1024kB [ 405.564975] ? lock_downgrade+0x900/0x900 [ 405.569620] (U) [ 405.572029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.576147] 1*2048kB (M) [ 405.578134] cache_grow_begin+0xa5/0x8c0 [ 405.583643] 3*4096kB (M) [ 405.586411] ? do_raw_spin_unlock+0xa7/0x330 [ 405.590454] = 15908kB [ 405.590476] Node 0 [ 405.593245] fallback_alloc+0x204/0x2e0 [ 405.597631] DMA32: [ 405.600044] ____cache_alloc_node+0x1c7/0x1e0 [ 405.602262] 5*4kB [ 405.606249] kmem_cache_alloc_node+0xe3/0x730 [ 405.608467] (UM) [ 405.612971] ? mark_held_locks+0xc7/0x130 [ 405.615132] 1*8kB [ 405.619630] __alloc_skb+0x119/0x770 [ 405.621669] (M) [ 405.625817] ? netdev_alloc_frag+0x1f0/0x1f0 [ 405.627941] 3*16kB (M) [ 405.631687] ? do_raw_spin_trylock+0x270/0x270 [ 405.633659] 3*32kB [ 405.638072] ? kmem_cache_alloc_trace+0x353/0x750 [ 405.640641] (UM) 2*64kB [ 405.645232] ? queue_work_on+0x12c/0x1e0 [ 405.647439] (M) [ 405.652300] ? switchdev_port_obj_del+0xdc/0x440 [ 405.654959] 2*128kB [ 405.659031] ? switchdev_trans_item_enqueue+0x260/0x260 [ 405.660986] (M) [ 405.665746] ? mod_timer+0x631/0x1560 [ 405.668048] 4*256kB [ 405.673409] ? wake_up_klogd+0x180/0x180 [ 405.675368] (M) [ 405.679169] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 405.681499] 4*512kB [ 405.685573] __br_mdb_notify+0x4ff/0x15d0 [ 405.687524] (UM) [ 405.692547] ? __br_mdb_add+0x7f0/0x7f0 [ 405.694855] 3*1024kB [ 405.699008] ? zap_class+0x640/0x640 [ 405.701047] (UM) [ 405.705040] ? br_multicast_group_expired+0x96/0x610 [ 405.707424] 3*2048kB [ 405.711140] br_mdb_notify+0x310/0x410 [ 405.713174] (M) [ 405.718290] ? br_mdb_dump+0x27b0/0x27b0 [ 405.720684] 3*4096kB [ 405.724903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.726858] (M) [ 405.730920] br_multicast_group_expired+0x1bc/0x610 [ 405.733322] = 25132kB [ 405.738852] ? br_mdb_free+0x80/0x80 [ 405.740805] Node 0 [ 405.745825] call_timer_fn+0x272/0x920 [ 405.748208] Normal: [ 405.751918] ? br_mdb_free+0x80/0x80 [ 405.754140] 951*4kB [ 405.758024] ? process_timeout+0x40/0x40 [ 405.760325] (UMEH) [ 405.764078] ? __run_timers+0x7da/0xc70 [ 405.766391] 234*8kB [ 405.770459] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.772665] (UME) [ 405.776640] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.778970] 222*16kB [ 405.783469] ? br_mdb_free+0x80/0x80 [ 405.785598] (UMEH) [ 405.790086] ? lockdep_hardirqs_on+0x296/0x5b0 [ 405.792484] 132*32kB [ 405.796207] ? trace_hardirqs_on+0xbd/0x310 [ 405.796237] ? kasan_check_read+0x11/0x20 [ 405.798462] (UM) [ 405.803056] ? __run_timers+0x7da/0xc70 [ 405.805445] 1*64kB [ 405.809764] ? trace_hardirqs_off_caller+0x310/0x310 [ 405.813891] (H) [ 405.815994] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.819946] 0*128kB [ 405.822197] ? br_mdb_free+0x80/0x80 [ 405.827286] 0*256kB [ 405.829259] __run_timers+0x7e5/0xc70 [ 405.833475] 1*512kB [ 405.835832] ? timer_fixup_init+0x70/0x70 [ 405.839513] (H) [ 405.841832] ? kasan_check_read+0x11/0x20 [ 405.845614] 0*1024kB [ 405.847941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 405.852082] 0*2048kB [ 405.854061] ? rcu_softirq_qs+0x20/0x20 [ 405.858186] 0*4096kB [ 405.860636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.865897] = 14028kB [ 405.868303] ? check_preemption_disabled+0x48/0x280 [ 405.872269] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.874672] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.880201] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.882607] ? retint_kernel+0x2d/0x2d [ 405.887596] 4244 total pagecache pages [ 405.896437] ? trace_hardirqs_on_caller+0xc0/0x310 [ 405.901180] 0 pages in swap cache [ 405.909742] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 405.913609] Swap cache stats: add 0, delete 0, find 0/0 [ 405.917490] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.922401] Free swap = 0kB [ 405.925873] ? zap_class+0x640/0x640 [ 405.930620] Total swap = 0kB [ 405.935983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.941414] 1965979 pages RAM [ 405.944428] ? check_preemption_disabled+0x48/0x280 [ 405.948123] 0 pages HighMem/MovableOnly [ 405.951142] ? __lock_is_held+0xb5/0x140 [ 405.956675] 342293 pages reserved [ 405.956684] 0 pages cma reserved [ 405.959787] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.964913] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.968747] ? check_preemption_disabled+0x48/0x280 [ 405.968771] run_timer_softirq+0x52/0xb0 [ 405.968788] ? rcu_read_lock_sched_held+0x14f/0x180 [ 405.972904] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.976287] __do_softirq+0x308/0xb7e [ 405.979629] syz-fuzzer cpuset= [ 405.985162] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 405.991636] / [ 405.996643] ? lock_downgrade+0x900/0x900 [ 405.996664] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.000708] mems_allowed=0 [ 406.005725] ? pvclock_read_flags+0x160/0x160 [ 406.045708] ? lapic_next_event+0x5a/0x90 [ 406.049861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.055421] ? kvm_clock_read+0x18/0x30 [ 406.059400] ? kvm_sched_clock_read+0x9/0x20 [ 406.063839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.069400] ? check_preemption_disabled+0x48/0x280 [ 406.074432] irq_exit+0x17f/0x1c0 [ 406.077895] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.082765] ? smp_reschedule_interrupt+0x109/0x650 [ 406.087784] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.093672] ? interrupt_entry+0xb5/0xc0 [ 406.097734] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.102747] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.107796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.112661] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.117680] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.122696] ? task_prio+0x50/0x50 [ 406.126243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.131782] ? check_preemption_disabled+0x48/0x280 [ 406.136808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.141679] apic_timer_interrupt+0xf/0x20 [ 406.145960] [ 406.148204] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 406.153141] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 406.172046] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 406.179760] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 406.187026] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 406.194292] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 406.201561] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 406.208834] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 406.216162] skb_clone+0x1bb/0x500 [ 406.219710] ? finish_task_switch+0x2f4/0x910 [ 406.224205] ? skb_split+0x11e0/0x11e0 [ 406.228100] ? preempt_notifier_register+0x200/0x200 [ 406.233207] ? __switch_to_asm+0x34/0x70 [ 406.237274] ? __switch_to_asm+0x34/0x70 [ 406.241338] ? __switch_to_asm+0x40/0x70 [ 406.245398] ? __switch_to_asm+0x34/0x70 [ 406.249464] ? __switch_to_asm+0x40/0x70 [ 406.253530] ? __switch_to_asm+0x34/0x70 [ 406.257591] ? __switch_to_asm+0x40/0x70 [ 406.261655] ? __switch_to_asm+0x34/0x70 [ 406.265720] ? __switch_to_asm+0x34/0x70 [ 406.269779] ? __switch_to_asm+0x40/0x70 [ 406.273839] ? __switch_to_asm+0x34/0x70 [ 406.277913] bpf_clone_redirect+0xb9/0x490 [ 406.282156] ? __schedule+0x8d7/0x21d0 [ 406.286058] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 406.291080] ? __sched_text_start+0x8/0x8 [ 406.295242] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 406.299836] ? find_held_lock+0x36/0x1c0 [ 406.303910] ? lock_acquire+0x1ed/0x520 [ 406.307889] ? bpf_test_run+0x3cb/0x780 [ 406.311866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.317406] ? check_preemption_disabled+0x48/0x280 [ 406.322435] ? kasan_check_read+0x11/0x20 [ 406.326605] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.331888] ? rcu_softirq_qs+0x20/0x20 [ 406.335872] ? preempt_schedule+0x4d/0x60 [ 406.340031] ? ___preempt_schedule+0x16/0x18 [ 406.344461] ? bpf_test_run+0x25d/0x780 [ 406.348449] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.352874] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 406.357662] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 406.362431] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.367277] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.372820] ? fput+0x130/0x1a0 [ 406.376107] ? __bpf_prog_get+0x9b/0x290 [ 406.380178] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 406.385023] ? bpf_prog_test_run+0x130/0x1a0 [ 406.389440] ? __x64_sys_bpf+0x3d8/0x520 [ 406.393514] ? bpf_prog_get+0x20/0x20 [ 406.397340] ? do_syscall_64+0x1b9/0x820 [ 406.401416] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.406809] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.411741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.416586] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.421607] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.426624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.432162] ? prepare_exit_to_usermode+0x291/0x3b0 [ 406.437189] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.442046] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.447435] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 406.448214] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.454117] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.464595] syz-executor3 cpuset= [ 406.473944] Call Trace: [ 406.473962] syz3 [ 406.477400] [ 406.479988] mems_allowed=0 [ 406.481971] dump_stack+0x244/0x39d [ 406.490669] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.495879] warn_alloc.cold.117+0xb7/0x1bd [ 406.500210] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.505062] ? lock_downgrade+0x900/0x900 [ 406.509229] ? trace_hardirqs_off+0xb8/0x310 [ 406.513646] ? trace_hardirqs_off+0xb8/0x310 [ 406.518081] __alloc_pages_slowpath+0x2660/0x2d70 [ 406.522969] ? warn_alloc+0x120/0x120 [ 406.526779] ? warn_alloc+0x120/0x120 [ 406.530587] ? print_usage_bug+0xc0/0xc0 [ 406.534657] ? warn_alloc+0x120/0x120 [ 406.538459] ? print_usage_bug+0xc0/0xc0 [ 406.542525] ? __lock_acquire+0x62f/0x4c20 [ 406.546761] ? __lock_acquire+0x62f/0x4c20 [ 406.551005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.556551] ? should_fail+0x22d/0xd01 [ 406.560447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.565558] ? __lock_acquire+0x62f/0x4c20 [ 406.569807] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.575010] ? __lock_acquire+0x62f/0x4c20 [ 406.579254] ? should_fail+0x22d/0xd01 [ 406.583143] ? find_held_lock+0x36/0x1c0 [ 406.587221] ? mark_held_locks+0x130/0x130 [ 406.591464] ? mark_held_locks+0x130/0x130 [ 406.595698] ? zap_class+0x640/0x640 [ 406.599414] ? zap_class+0x640/0x640 [ 406.603132] ? print_usage_bug+0xc0/0xc0 [ 406.607211] ? do_raw_spin_unlock+0xa7/0x330 [ 406.611653] ? zap_class+0x640/0x640 [ 406.615614] ? print_usage_bug+0xc0/0xc0 [ 406.619679] ? wq_watchdog_touch+0x9c/0xfe [ 406.623922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.629465] ? check_preemption_disabled+0x48/0x280 [ 406.634509] ? __lock_is_held+0xb5/0x140 [ 406.638582] __alloc_pages_nodemask+0xa80/0xde0 [ 406.643258] ? zap_class+0x640/0x640 [ 406.646989] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 406.652023] ? find_held_lock+0x36/0x1c0 [ 406.656104] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.660784] ? lock_downgrade+0x900/0x900 [ 406.664964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.670512] cache_grow_begin+0xa5/0x8c0 [ 406.675017] ? do_raw_spin_unlock+0xa7/0x330 [ 406.679436] fallback_alloc+0x204/0x2e0 [ 406.683422] ____cache_alloc_node+0x1c7/0x1e0 [ 406.687935] kmem_cache_alloc_node+0xe3/0x730 [ 406.692463] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.696716] __alloc_skb+0x119/0x770 [ 406.700434] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 406.705722] ? netdev_alloc_frag+0x1f0/0x1f0 [ 406.710136] ? lock_downgrade+0x900/0x900 [ 406.714294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.720186] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.725653] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.731107] ? addrconf_rs_timer+0x690/0x690 [ 406.735535] ndisc_alloc_skb+0x144/0x340 [ 406.739607] ndisc_send_rs+0x331/0x6e0 [ 406.743506] addrconf_rs_timer+0x314/0x690 [ 406.747750] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.752009] call_timer_fn+0x272/0x920 [ 406.755900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.760142] ? process_timeout+0x40/0x40 [ 406.764238] ? mark_held_locks+0xc7/0x130 [ 406.768408] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.772908] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.777413] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.781653] ? lockdep_hardirqs_on+0x296/0x5b0 [ 406.786258] ? trace_hardirqs_on+0xbd/0x310 [ 406.790595] ? kasan_check_read+0x11/0x20 [ 406.794748] ? __run_timers+0x7da/0xc70 [ 406.798725] ? trace_hardirqs_off_caller+0x310/0x310 [ 406.803839] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.808080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.812322] __run_timers+0x7e5/0xc70 [ 406.816139] ? timer_fixup_init+0x70/0x70 [ 406.820294] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 406.825317] ? zap_class+0x640/0x640 [ 406.829051] ? print_usage_bug+0xc0/0xc0 [ 406.833123] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 406.838324] ? find_held_lock+0x36/0x1c0 [ 406.842396] ? zap_class+0x640/0x640 [ 406.846142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.851687] ? check_preemption_disabled+0x48/0x280 [ 406.856717] ? __lock_is_held+0xb5/0x140 [ 406.860784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.866330] ? check_preemption_disabled+0x48/0x280 [ 406.871362] run_timer_softirq+0x52/0xb0 [ 406.875429] ? rcu_read_lock_sched_held+0x14f/0x180 [ 406.880456] __do_softirq+0x308/0xb7e [ 406.884265] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 406.888763] ? lock_downgrade+0x900/0x900 [ 406.892938] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 406.898057] ? pvclock_read_flags+0x160/0x160 [ 406.902560] ? lapic_next_event+0x5a/0x90 [ 406.906714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.912261] ? kvm_clock_read+0x18/0x30 [ 406.916240] ? kvm_sched_clock_read+0x9/0x20 [ 406.920657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.926203] ? check_preemption_disabled+0x48/0x280 [ 406.931253] irq_exit+0x17f/0x1c0 [ 406.934716] smp_apic_timer_interrupt+0x1cb/0x760 [ 406.939576] ? smp_reschedule_interrupt+0x109/0x650 [ 406.944601] ? smp_call_function_single_interrupt+0x650/0x650 [ 406.950547] ? interrupt_entry+0xb5/0xc0 [ 406.954614] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.959632] ? trace_hardirqs_off_caller+0xbb/0x310 [ 406.964659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.969523] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.974539] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.979575] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.984439] apic_timer_interrupt+0xf/0x20 [ 406.988691] [ 406.990932] RIP: 0010:dump_stack+0x358/0x39d [ 406.995350] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 407.014262] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 407.021980] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 407.029252] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 407.036517] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 407.043784] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 407.051060] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 407.058358] ? dump_stack+0x34f/0x39d [ 407.062178] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.067398] dump_header+0x27b/0xf72 [ 407.071129] ? mark_held_locks+0x130/0x130 [ 407.075374] ? pagefault_out_of_memory+0x197/0x197 [ 407.080316] ? __lock_acquire+0x62f/0x4c20 [ 407.084554] ? zap_class+0x640/0x640 [ 407.088272] ? percpu_ref_get_many+0x240/0x240 [ 407.092857] ? print_usage_bug+0xc0/0xc0 [ 407.096924] ? print_usage_bug+0xc0/0xc0 [ 407.100996] ? zap_class+0x640/0x640 [ 407.104739] ? print_usage_bug+0xc0/0xc0 [ 407.108801] ? print_usage_bug+0xc0/0xc0 [ 407.112874] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.118421] ? find_held_lock+0x36/0x1c0 [ 407.122496] ? mark_held_locks+0xc7/0x130 [ 407.126652] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.131756] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 407.136863] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 407.141448] ? trace_hardirqs_on+0xbd/0x310 [ 407.145770] ? kasan_check_read+0x11/0x20 [ 407.149926] ? ___ratelimit+0x3b4/0x672 [ 407.153907] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.159013] ? trace_hardirqs_on+0x310/0x310 [ 407.163427] ? lock_downgrade+0x900/0x900 [ 407.167587] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 407.172695] ? ___ratelimit+0x3b9/0x672 [ 407.176677] ? idr_get_free+0xec0/0xec0 [ 407.180654] ? find_held_lock+0x36/0x1c0 [ 407.184734] oom_kill_process.cold.27+0x10/0x903 [ 407.189492] ? zap_class+0x640/0x640 [ 407.193212] ? check_preemption_disabled+0x48/0x280 [ 407.198245] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.203179] ? kasan_check_read+0x11/0x20 [ 407.207341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.212625] ? oom_evaluate_task+0x540/0x540 [ 407.217040] ? find_held_lock+0x36/0x1c0 [ 407.221114] ? out_of_memory+0x974/0x1430 [ 407.225267] ? lock_downgrade+0x900/0x900 [ 407.229414] ? check_preemption_disabled+0x48/0x280 [ 407.234439] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.239369] ? kasan_check_read+0x11/0x20 [ 407.243519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.248799] ? rcu_softirq_qs+0x20/0x20 [ 407.252804] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.258352] ? oom_evaluate_task+0x302/0x540 [ 407.262774] out_of_memory+0xa84/0x1430 [ 407.266762] ? oom_killer_disable+0x3a0/0x3a0 [ 407.271269] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 407.276209] ? __mutex_add_waiter+0x2a0/0x2a0 [ 407.280723] __alloc_pages_slowpath+0x22d4/0x2d70 [ 407.285613] ? warn_alloc+0x120/0x120 [ 407.289417] ? rcu_softirq_qs+0x20/0x20 [ 407.293428] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.298976] ? should_fail+0x22d/0xd01 [ 407.302872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.308004] ? zap_class+0x640/0x640 [ 407.311745] ? __lock_is_held+0xb5/0x140 [ 407.315822] ? mark_held_locks+0x130/0x130 [ 407.320070] ? lock_release+0xa00/0xa00 [ 407.324048] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.329513] ? __might_sleep+0x95/0x190 [ 407.333495] __alloc_pages_nodemask+0xa80/0xde0 [ 407.338173] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 407.343209] ? __page_cache_alloc+0x191/0x5c0 [ 407.347711] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.352640] ? kasan_check_read+0x11/0x20 [ 407.356793] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.362073] ? zap_class+0x640/0x640 [ 407.365800] ? zap_class+0x640/0x640 [ 407.369518] ? zap_class+0x640/0x640 [ 407.373235] ? __do_page_cache_readahead+0x7ce/0x980 [ 407.378348] ? find_held_lock+0x36/0x1c0 [ 407.382416] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 407.387981] alloc_pages_current+0x173/0x350 [ 407.392407] __page_cache_alloc+0x38c/0x5c0 [ 407.396731] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.401683] ? kasan_check_read+0x11/0x20 [ 407.405834] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.411114] ? generic_perform_write+0x6a0/0x6a0 [ 407.415878] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.421420] ? check_preemption_disabled+0x48/0x280 [ 407.426451] filemap_fault+0x1594/0x25f0 [ 407.430530] ? __lock_page_or_retry+0xa00/0xa00 [ 407.435218] ? mark_held_locks+0x130/0x130 [ 407.439457] ? rcu_softirq_qs+0x20/0x20 [ 407.443450] ? filemap_map_pages+0xe04/0x1990 [ 407.447973] ? __free_object+0x173/0x340 [ 407.452041] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 407.456995] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.462106] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 407.466793] ? debug_object_free+0x32d/0x690 [ 407.471211] ? kasan_check_read+0x11/0x20 [ 407.475366] ? debug_object_destroy+0x2b0/0x2b0 [ 407.480038] ? lock_pi_update_atomic+0x150/0x150 [ 407.484796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.490338] ? __hrtimer_init+0xdb/0x240 [ 407.494415] ? lock_acquire+0x1ed/0x520 [ 407.498397] ? ext4_filemap_fault+0x7a/0xad [ 407.502728] ? lock_release+0xa00/0xa00 [ 407.506703] ? perf_trace_sched_process_exec+0x860/0x860 [ 407.512155] ? print_usage_bug+0xc0/0xc0 [ 407.516230] ? print_usage_bug+0xc0/0xc0 [ 407.520310] ? down_read+0x8d/0x120 [ 407.523942] ? ext4_filemap_fault+0x7a/0xad [ 407.528271] ? __down_interruptible+0x700/0x700 [ 407.532961] ext4_filemap_fault+0x82/0xad [ 407.537114] __do_fault+0x100/0x6b0 [ 407.540751] ? pmd_devmap_trans_unstable+0x220/0x220 [ 407.545858] ? mark_held_locks+0x130/0x130 [ 407.550098] ? mark_held_locks+0x130/0x130 [ 407.554337] ? debug_smp_processor_id+0x1c/0x20 [ 407.559025] ? perf_trace_lock+0x14d/0x7a0 [ 407.563269] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.568813] __handle_mm_fault+0x307c/0x5920 [ 407.573239] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 407.578088] ? lock_is_held_type+0x210/0x210 [ 407.582539] ? zap_class+0x640/0x640 [ 407.586256] ? zap_class+0x640/0x640 [ 407.589976] ? __x64_sys_futex+0x53e/0x6a0 [ 407.594226] ? find_held_lock+0x36/0x1c0 [ 407.598304] ? handle_mm_fault+0x42a/0xc70 [ 407.602577] ? lock_downgrade+0x900/0x900 [ 407.606728] ? check_preemption_disabled+0x48/0x280 [ 407.611757] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 407.616688] ? kasan_check_read+0x11/0x20 [ 407.620840] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 407.626122] ? rcu_softirq_qs+0x20/0x20 [ 407.630097] ? trace_hardirqs_off_caller+0x310/0x310 [ 407.635206] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.640771] ? check_preemption_disabled+0x48/0x280 [ 407.645797] handle_mm_fault+0x54f/0xc70 [ 407.649889] ? __handle_mm_fault+0x5920/0x5920 [ 407.654478] ? find_vma+0x34/0x190 [ 407.658028] __do_page_fault+0x5e8/0xe60 [ 407.662092] ? trace_hardirqs_off+0xb8/0x310 [ 407.667147] ? trace_hardirqs_off+0xb8/0x310 [ 407.671576] do_page_fault+0xf2/0x7e0 [ 407.675384] ? vmalloc_sync_all+0x30/0x30 [ 407.679539] ? error_entry+0x70/0xd0 [ 407.683258] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.688274] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.693215] ? syscall_return_slowpath+0x5e0/0x5e0 [ 407.698153] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.703002] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.708035] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.713497] ? prepare_exit_to_usermode+0x291/0x3b0 [ 407.718520] ? page_fault+0x8/0x30 [ 407.722556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.727407] ? page_fault+0x8/0x30 [ 407.730973] page_fault+0x1e/0x30 [ 407.734428] RIP: 0033:0x45ddf3 [ 407.737634] Code: Bad RIP value. [ 407.740998] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 407.746361] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 407.753631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 407.760899] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 407.768164] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 407.775449] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 407.782750] warn_alloc_show_mem: 1 callbacks suppressed [ 407.782762] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 407.782764] Mem-Info: [ 407.782797] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 407.782797] active_file:13 inactive_file:17 isolated_file:0 [ 407.782797] unevictable:0 dirty:0 writeback:0 unstable:0 [ 407.782797] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 407.782797] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 407.782797] free:13759 free_pcp:161 free_cma:0 [ 407.788146] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 407.795178] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 407.797580] Call Trace: [ 407.830537] Node 0 [ 407.839899] [ 407.867594] 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 [ 407.870166] dump_stack+0x244/0x39d [ 407.872369] lowmem_reserve[]: 0 [ 407.874529] ? dump_stack_print_info.cold.1+0x20/0x20 [ 407.900031] 2819 6323 [ 407.903695] warn_alloc.cold.117+0xb7/0x1bd [ 407.906940] 6323 [ 407.912129] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 407.918921] ? lock_downgrade+0x900/0x900 [ 407.920971] Node 0 [ 407.925818] ? trace_hardirqs_off+0xb8/0x310 [ 407.929974] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 407.932183] ? trace_hardirqs_off+0xb8/0x310 [ 407.936573] lowmem_reserve[]: [ 407.963302] __alloc_pages_slowpath+0x2660/0x2d70 [ 407.967689] 0 [ 407.970836] ? warn_alloc+0x120/0x120 [ 407.975613] 0 [ 407.977416] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.981198] 3503 [ 407.982994] ? warn_alloc+0x120/0x120 [ 407.988008] 3503 [ 407.990095] ? print_usage_bug+0xc0/0xc0 [ 407.993879] Node 0 [ 407.995939] ? warn_alloc+0x120/0x120 [ 408.000020] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 408.002224] ? print_usage_bug+0xc0/0xc0 [ 408.006003] lowmem_reserve[]: [ 408.034303] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.038345] 0 [ 408.041457] ? should_fail+0x22d/0xd01 [ 408.046994] 0 [ 408.048803] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 408.052668] 0 [ 408.054474] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.060332] 0 [ 408.062145] ? __lock_acquire+0x62f/0x4c20 [ 408.067260] Node 0 [ 408.069073] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.073286] DMA: [ 408.075529] ? should_fail+0x22d/0xd01 [ 408.080609] 1*4kB [ 408.082679] ? mark_held_locks+0x130/0x130 [ 408.086540] (U) [ 408.088690] ? mark_held_locks+0x130/0x130 [ 408.092904] 0*8kB [ 408.094877] ? print_usage_bug+0xc0/0xc0 [ 408.099095] 0*16kB [ 408.101275] ? find_held_lock+0x36/0x1c0 [ 408.105321] 1*32kB [ 408.107583] ? zap_class+0x640/0x640 [ 408.111609] (U) [ 408.113848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.117534] 2*64kB (U) [ 408.119533] ? check_preemption_disabled+0x48/0x280 [ 408.125066] 1*128kB [ 408.127653] ? __lock_is_held+0xb5/0x140 [ 408.132643] (U) [ 408.134965] __alloc_pages_nodemask+0xa80/0xde0 [ 408.139003] 1*256kB (U) [ 408.140991] ? zap_class+0x640/0x640 [ 408.145640] 0*512kB [ 408.148313] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 408.152005] 1*1024kB [ 408.154337] ? find_held_lock+0x36/0x1c0 [ 408.159350] (U) [ 408.161775] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.165813] 1*2048kB [ 408.167788] ? lock_downgrade+0x900/0x900 [ 408.172438] (M) [ 408.174880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.179012] 3*4096kB (M) [ 408.181002] cache_grow_begin+0xa5/0x8c0 [ 408.186518] = 15908kB [ 408.189273] ? do_raw_spin_unlock+0xa7/0x330 [ 408.193323] Node 0 [ 408.195752] fallback_alloc+0x204/0x2e0 [ 408.200135] DMA32: [ 408.202373] ____cache_alloc_node+0x1c7/0x1e0 [ 408.206323] 5*4kB [ 408.208562] kmem_cache_alloc_node+0xe3/0x730 [ 408.213036] (UM) [ 408.215206] ? mark_held_locks+0xc7/0x130 [ 408.219701] 1*8kB [ 408.221769] __alloc_skb+0x119/0x770 [ 408.225889] (M) [ 408.228037] ? netdev_alloc_frag+0x1f0/0x1f0 [ 408.231731] 3*16kB [ 408.233707] ? do_raw_spin_trylock+0x270/0x270 [ 408.238103] (M) [ 408.240334] ? kmem_cache_alloc_trace+0x353/0x750 [ 408.244921] 3*32kB [ 408.246903] ? queue_work_on+0x12c/0x1e0 [ 408.251732] (UM) [ 408.253986] ? switchdev_port_obj_del+0xdc/0x440 [ 408.258023] 2*64kB [ 408.260082] ? switchdev_trans_item_enqueue+0x260/0x260 [ 408.264815] (M) [ 408.267050] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 408.272386] 2*128kB (M) [ 408.274374] __br_mdb_notify+0x4ff/0x15d0 [ 408.279360] 4*256kB (M) [ 408.282050] ? __br_mdb_add+0x7f0/0x7f0 [ 408.286171] 4*512kB [ 408.288844] ? zap_class+0x640/0x640 [ 408.292791] (UM) [ 408.295126] ? br_multicast_group_expired+0x96/0x610 [ 408.298829] 3*1024kB [ 408.300890] ? lock_downgrade+0x900/0x900 [ 408.305984] (UM) [ 408.308396] br_mdb_notify+0x310/0x410 [ 408.312523] 3*2048kB [ 408.314583] ? br_mdb_dump+0x27b0/0x27b0 [ 408.318451] (M) [ 408.320867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.324908] 3*4096kB [ 408.326885] br_multicast_group_expired+0x1bc/0x610 [ 408.332394] (M) [ 408.334809] ? br_mdb_free+0x80/0x80 [ 408.339804] = 25132kB [ 408.341787] call_timer_fn+0x272/0x920 [ 408.345480] Node 0 [ 408.347898] ? br_mdb_free+0x80/0x80 [ 408.351768] Normal: [ 408.354004] ? process_timeout+0x40/0x40 [ 408.357704] 951*4kB [ 408.360029] ? __run_timers+0x7da/0xc70 [ 408.364059] (UMEH) [ 408.366379] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.370334] 234*8kB [ 408.372569] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.377042] (UME) [ 408.379368] ? br_mdb_free+0x80/0x80 [ 408.383836] 222*16kB (UMEH) [ 408.386005] ? lockdep_hardirqs_on+0x296/0x5b0 [ 408.389707] 132*32kB [ 408.392726] ? trace_hardirqs_on+0xbd/0x310 [ 408.397285] (UM) [ 408.399697] ? kasan_check_read+0x11/0x20 [ 408.403990] 1*64kB (H) [ 408.406062] ? __run_timers+0x7da/0xc70 [ 408.410223] 0*128kB [ 408.412801] ? trace_hardirqs_off_caller+0x310/0x310 [ 408.416772] 0*256kB [ 408.419129] ? br_mdb_free+0x80/0x80 [ 408.424224] 1*512kB [ 408.426546] ? br_mdb_free+0x80/0x80 [ 408.430240] (H) [ 408.432579] __run_timers+0x7e5/0xc70 [ 408.436274] 0*1024kB [ 408.438273] ? timer_fixup_init+0x70/0x70 [ 408.442043] 0*2048kB [ 408.444450] ? kasan_check_read+0x11/0x20 [ 408.448574] 0*4096kB [ 408.450997] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.455120] = 14028kB [ 408.457528] ? rcu_softirq_qs+0x20/0x20 [ 408.462793] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 408.465212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.469177] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 408.478003] ? check_preemption_disabled+0x48/0x280 [ 408.483530] 4244 total pagecache pages [ 408.492133] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 408.497133] 0 pages in swap cache [ 408.501016] ? retint_kernel+0x2d/0x2d [ 408.505755] Swap cache stats: add 0, delete 0, find 0/0 [ 408.509197] ? trace_hardirqs_on_caller+0xc0/0x310 [ 408.513068] Free swap = 0kB [ 408.518430] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 408.523338] Total swap = 0kB [ 408.526353] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.531103] 1965979 pages RAM [ 408.534115] ? zap_class+0x640/0x640 [ 408.539538] 0 pages HighMem/MovableOnly [ 408.539547] 342293 pages reserved [ 408.542655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.546347] 0 pages cma reserved [ 408.550320] ? check_preemption_disabled+0x48/0x280 [ 408.553822] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.559284] ? __lock_is_held+0xb5/0x140 [ 408.559300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.559316] ? check_preemption_disabled+0x48/0x280 [ 408.562732] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.567687] run_timer_softirq+0x52/0xb0 [ 408.574155] syz-fuzzer cpuset= [ 408.578232] ? rcu_read_lock_sched_held+0x14f/0x180 [ 408.578251] __do_softirq+0x308/0xb7e [ 408.583780] / [ 408.588795] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 408.599000] mems_allowed=0 [ 408.603053] ? lock_downgrade+0x900/0x900 [ 408.628725] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 408.633844] ? pvclock_read_flags+0x160/0x160 [ 408.638347] ? lapic_next_event+0x5a/0x90 [ 408.642500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.648044] ? kvm_clock_read+0x18/0x30 [ 408.652018] ? kvm_sched_clock_read+0x9/0x20 [ 408.656430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.662164] ? check_preemption_disabled+0x48/0x280 [ 408.667210] irq_exit+0x17f/0x1c0 [ 408.670680] smp_apic_timer_interrupt+0x1cb/0x760 [ 408.675519] ? smp_reschedule_interrupt+0x109/0x650 [ 408.680541] ? smp_call_function_single_interrupt+0x650/0x650 [ 408.686426] ? interrupt_entry+0xb5/0xc0 [ 408.690496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.695507] ? trace_hardirqs_off_caller+0xbb/0x310 [ 408.700524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.705381] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.710395] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.715413] ? task_prio+0x50/0x50 [ 408.718965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.724515] ? check_preemption_disabled+0x48/0x280 [ 408.729536] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.734415] apic_timer_interrupt+0xf/0x20 [ 408.738646] [ 408.740922] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 408.745853] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 408.764754] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 408.772469] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 408.779738] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 408.787003] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 408.794268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 408.801534] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 408.808856] skb_clone+0x1bb/0x500 [ 408.812410] ? finish_task_switch+0x2f4/0x910 [ 408.816906] ? skb_split+0x11e0/0x11e0 [ 408.820797] ? preempt_notifier_register+0x200/0x200 [ 408.825900] ? __switch_to_asm+0x34/0x70 [ 408.829965] ? __switch_to_asm+0x34/0x70 [ 408.834029] ? __switch_to_asm+0x40/0x70 [ 408.838087] ? __switch_to_asm+0x34/0x70 [ 408.842149] ? __switch_to_asm+0x40/0x70 [ 408.846212] ? __switch_to_asm+0x34/0x70 [ 408.850269] ? __switch_to_asm+0x40/0x70 [ 408.854326] ? __switch_to_asm+0x34/0x70 [ 408.858389] ? __switch_to_asm+0x34/0x70 [ 408.862449] ? __switch_to_asm+0x40/0x70 [ 408.866516] ? __switch_to_asm+0x34/0x70 [ 408.870588] bpf_clone_redirect+0xb9/0x490 [ 408.874837] ? __schedule+0x8d7/0x21d0 [ 408.878733] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 408.883758] ? __sched_text_start+0x8/0x8 [ 408.887912] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 408.892511] ? find_held_lock+0x36/0x1c0 [ 408.896582] ? lock_acquire+0x1ed/0x520 [ 408.900557] ? bpf_test_run+0x3cb/0x780 [ 408.904531] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.910080] ? check_preemption_disabled+0x48/0x280 [ 408.915111] ? kasan_check_read+0x11/0x20 [ 408.919272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 408.924564] ? rcu_softirq_qs+0x20/0x20 [ 408.928574] ? preempt_schedule+0x4d/0x60 [ 408.932726] ? ___preempt_schedule+0x16/0x18 [ 408.937142] ? bpf_test_run+0x25d/0x780 [ 408.941129] ? netlink_diag_dump+0x2a0/0x2a0 [ 408.945545] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 408.950319] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 408.955102] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.959956] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.965497] ? fput+0x130/0x1a0 [ 408.968784] ? __bpf_prog_get+0x9b/0x290 [ 408.972850] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 408.977691] ? bpf_prog_test_run+0x130/0x1a0 [ 408.982110] ? __x64_sys_bpf+0x3d8/0x520 [ 408.986179] ? bpf_prog_get+0x20/0x20 [ 408.990038] ? do_syscall_64+0x1b9/0x820 [ 408.994129] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.999494] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.004423] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.009273] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.014295] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 409.019314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.024866] ? prepare_exit_to_usermode+0x291/0x3b0 [ 409.029888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.034748] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.040138] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 409.040341] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.046835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.057322] syz-executor3 cpuset= [ 409.066661] Call Trace: [ 409.066671] syz3 [ 409.070112] [ 409.072690] mems_allowed=0 [ 409.074662] dump_stack+0x244/0x39d [ 409.083350] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.088569] warn_alloc.cold.117+0xb7/0x1bd [ 409.092892] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.097745] ? lock_downgrade+0x900/0x900 [ 409.101904] ? trace_hardirqs_off+0xb8/0x310 [ 409.106322] ? trace_hardirqs_off+0xb8/0x310 [ 409.110741] __alloc_pages_slowpath+0x2660/0x2d70 [ 409.115621] ? warn_alloc+0x120/0x120 [ 409.119434] ? warn_alloc+0x120/0x120 [ 409.123248] ? print_usage_bug+0xc0/0xc0 [ 409.127308] ? warn_alloc+0x120/0x120 [ 409.131109] ? print_usage_bug+0xc0/0xc0 [ 409.135170] ? __lock_acquire+0x62f/0x4c20 [ 409.139407] ? __lock_acquire+0x62f/0x4c20 [ 409.143649] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.149214] ? should_fail+0x22d/0xd01 [ 409.153125] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.158242] ? __lock_acquire+0x62f/0x4c20 [ 409.162493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.167595] ? __lock_acquire+0x62f/0x4c20 [ 409.171827] ? should_fail+0x22d/0xd01 [ 409.175742] ? find_held_lock+0x36/0x1c0 [ 409.179808] ? mark_held_locks+0x130/0x130 [ 409.184049] ? mark_held_locks+0x130/0x130 [ 409.188284] ? zap_class+0x640/0x640 [ 409.192012] ? zap_class+0x640/0x640 [ 409.195728] ? print_usage_bug+0xc0/0xc0 [ 409.199803] ? do_raw_spin_unlock+0xa7/0x330 [ 409.204227] ? zap_class+0x640/0x640 [ 409.207944] ? print_usage_bug+0xc0/0xc0 [ 409.212011] ? wq_watchdog_touch+0x9c/0xfe [ 409.216263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.221831] ? check_preemption_disabled+0x48/0x280 [ 409.226858] ? __lock_is_held+0xb5/0x140 [ 409.230926] __alloc_pages_nodemask+0xa80/0xde0 [ 409.235598] ? zap_class+0x640/0x640 [ 409.239321] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 409.244353] ? find_held_lock+0x36/0x1c0 [ 409.248439] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.253115] ? lock_downgrade+0x900/0x900 [ 409.257272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.262828] cache_grow_begin+0xa5/0x8c0 [ 409.266906] ? do_raw_spin_unlock+0xa7/0x330 [ 409.271351] fallback_alloc+0x204/0x2e0 [ 409.275332] ____cache_alloc_node+0x1c7/0x1e0 [ 409.279839] kmem_cache_alloc_node+0xe3/0x730 [ 409.284341] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.288601] __alloc_skb+0x119/0x770 [ 409.292329] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.297629] ? netdev_alloc_frag+0x1f0/0x1f0 [ 409.302041] ? lock_downgrade+0x900/0x900 [ 409.306226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.311764] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.317221] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.322674] ? addrconf_rs_timer+0x690/0x690 [ 409.327100] ndisc_alloc_skb+0x144/0x340 [ 409.331166] ndisc_send_rs+0x331/0x6e0 [ 409.335058] addrconf_rs_timer+0x314/0x690 [ 409.339297] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.343575] call_timer_fn+0x272/0x920 [ 409.347473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.351714] ? process_timeout+0x40/0x40 [ 409.355791] ? mark_held_locks+0xc7/0x130 [ 409.359977] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.364488] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.368985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.373225] ? lockdep_hardirqs_on+0x296/0x5b0 [ 409.377822] ? trace_hardirqs_on+0xbd/0x310 [ 409.382170] ? kasan_check_read+0x11/0x20 [ 409.386318] ? __run_timers+0x7da/0xc70 [ 409.390293] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.395406] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.399648] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.403881] __run_timers+0x7e5/0xc70 [ 409.407699] ? timer_fixup_init+0x70/0x70 [ 409.411849] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.416868] ? zap_class+0x640/0x640 [ 409.420592] ? print_usage_bug+0xc0/0xc0 [ 409.424659] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.429856] ? find_held_lock+0x36/0x1c0 [ 409.433964] ? zap_class+0x640/0x640 [ 409.437711] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.443253] ? check_preemption_disabled+0x48/0x280 [ 409.448283] ? __lock_is_held+0xb5/0x140 [ 409.452344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.457880] ? check_preemption_disabled+0x48/0x280 [ 409.462903] run_timer_softirq+0x52/0xb0 [ 409.466983] ? rcu_read_lock_sched_held+0x14f/0x180 [ 409.472007] __do_softirq+0x308/0xb7e [ 409.475812] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 409.480306] ? lock_downgrade+0x900/0x900 [ 409.484458] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 409.489597] ? pvclock_read_flags+0x160/0x160 [ 409.494097] ? lapic_next_event+0x5a/0x90 [ 409.498251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.503794] ? kvm_clock_read+0x18/0x30 [ 409.507770] ? kvm_sched_clock_read+0x9/0x20 [ 409.512184] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.517725] ? check_preemption_disabled+0x48/0x280 [ 409.522761] irq_exit+0x17f/0x1c0 [ 409.526224] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.531077] ? smp_reschedule_interrupt+0x109/0x650 [ 409.536101] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.541988] ? interrupt_entry+0xb5/0xc0 [ 409.546051] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.551069] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.556102] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.560976] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.566004] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.571060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.575936] apic_timer_interrupt+0xf/0x20 [ 409.580168] [ 409.582413] RIP: 0010:dump_stack+0x358/0x39d [ 409.586823] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 409.605722] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 409.613435] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 409.620705] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 409.627978] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 409.635244] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 409.642513] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 409.649797] ? dump_stack+0x34f/0x39d [ 409.653612] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.658825] dump_header+0x27b/0xf72 [ 409.662584] ? mark_held_locks+0x130/0x130 [ 409.666822] ? pagefault_out_of_memory+0x197/0x197 [ 409.671763] ? __lock_acquire+0x62f/0x4c20 [ 409.675993] ? zap_class+0x640/0x640 [ 409.679712] ? percpu_ref_get_many+0x240/0x240 [ 409.684308] ? print_usage_bug+0xc0/0xc0 [ 409.688370] ? print_usage_bug+0xc0/0xc0 [ 409.692435] ? zap_class+0x640/0x640 [ 409.696152] ? print_usage_bug+0xc0/0xc0 [ 409.700209] ? print_usage_bug+0xc0/0xc0 [ 409.704292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.709832] ? find_held_lock+0x36/0x1c0 [ 409.713914] ? mark_held_locks+0xc7/0x130 [ 409.718067] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.723693] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 409.728801] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 409.733386] ? trace_hardirqs_on+0xbd/0x310 [ 409.737712] ? kasan_check_read+0x11/0x20 [ 409.741860] ? ___ratelimit+0x3b4/0x672 [ 409.745853] ? trace_hardirqs_off_caller+0x310/0x310 [ 409.750962] ? trace_hardirqs_on+0x310/0x310 [ 409.755375] ? lock_downgrade+0x900/0x900 [ 409.759532] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 409.764639] ? ___ratelimit+0x3b9/0x672 [ 409.768623] ? idr_get_free+0xec0/0xec0 [ 409.772596] ? find_held_lock+0x36/0x1c0 [ 409.777258] oom_kill_process.cold.27+0x10/0x903 [ 409.782021] ? zap_class+0x640/0x640 [ 409.785737] ? check_preemption_disabled+0x48/0x280 [ 409.790763] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.795697] ? kasan_check_read+0x11/0x20 [ 409.799851] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.805146] ? oom_evaluate_task+0x540/0x540 [ 409.809561] ? find_held_lock+0x36/0x1c0 [ 409.813640] ? out_of_memory+0x974/0x1430 [ 409.817793] ? lock_downgrade+0x900/0x900 [ 409.821956] ? check_preemption_disabled+0x48/0x280 [ 409.827009] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.831937] ? kasan_check_read+0x11/0x20 [ 409.836094] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.841374] ? rcu_softirq_qs+0x20/0x20 [ 409.845367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.850931] ? oom_evaluate_task+0x302/0x540 [ 409.855361] out_of_memory+0xa84/0x1430 [ 409.859362] ? oom_killer_disable+0x3a0/0x3a0 [ 409.863864] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 409.868803] ? __mutex_add_waiter+0x2a0/0x2a0 [ 409.873317] __alloc_pages_slowpath+0x22d4/0x2d70 [ 409.878202] ? warn_alloc+0x120/0x120 [ 409.882019] ? rcu_softirq_qs+0x20/0x20 [ 409.886028] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.891568] ? should_fail+0x22d/0xd01 [ 409.895461] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 409.900569] ? zap_class+0x640/0x640 [ 409.904309] ? __lock_is_held+0xb5/0x140 [ 409.908384] ? mark_held_locks+0x130/0x130 [ 409.912623] ? lock_release+0xa00/0xa00 [ 409.916600] ? perf_trace_sched_process_exec+0x860/0x860 [ 409.922070] ? __might_sleep+0x95/0x190 [ 409.926064] __alloc_pages_nodemask+0xa80/0xde0 [ 409.930743] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 409.935764] ? __page_cache_alloc+0x191/0x5c0 [ 409.940262] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.945248] ? kasan_check_read+0x11/0x20 [ 409.949398] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 409.954681] ? zap_class+0x640/0x640 [ 409.958407] ? zap_class+0x640/0x640 [ 409.962126] ? zap_class+0x640/0x640 [ 409.965883] ? __do_page_cache_readahead+0x7ce/0x980 [ 409.971026] ? find_held_lock+0x36/0x1c0 [ 409.975104] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 409.980650] alloc_pages_current+0x173/0x350 [ 409.985067] __page_cache_alloc+0x38c/0x5c0 [ 409.989387] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 409.994318] ? kasan_check_read+0x11/0x20 [ 409.998469] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.003748] ? generic_perform_write+0x6a0/0x6a0 [ 410.008510] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.014091] ? check_preemption_disabled+0x48/0x280 [ 410.019117] filemap_fault+0x1594/0x25f0 [ 410.023200] ? __lock_page_or_retry+0xa00/0xa00 [ 410.027873] ? mark_held_locks+0x130/0x130 [ 410.032107] ? rcu_softirq_qs+0x20/0x20 [ 410.036097] ? filemap_map_pages+0xe04/0x1990 [ 410.040605] ? __free_object+0x173/0x340 [ 410.044670] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 410.049610] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.054718] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 410.059406] ? debug_object_free+0x32d/0x690 [ 410.063815] ? kasan_check_read+0x11/0x20 [ 410.067974] ? debug_object_destroy+0x2b0/0x2b0 [ 410.072650] ? lock_pi_update_atomic+0x150/0x150 [ 410.077407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.082949] ? __hrtimer_init+0xdb/0x240 [ 410.087029] ? lock_acquire+0x1ed/0x520 [ 410.091019] ? ext4_filemap_fault+0x7a/0xad [ 410.095347] ? lock_release+0xa00/0xa00 [ 410.099329] ? perf_trace_sched_process_exec+0x860/0x860 [ 410.104782] ? print_usage_bug+0xc0/0xc0 [ 410.108849] ? print_usage_bug+0xc0/0xc0 [ 410.112933] ? down_read+0x8d/0x120 [ 410.116566] ? ext4_filemap_fault+0x7a/0xad [ 410.120895] ? __down_interruptible+0x700/0x700 [ 410.125580] ext4_filemap_fault+0x82/0xad [ 410.129732] __do_fault+0x100/0x6b0 [ 410.133392] ? pmd_devmap_trans_unstable+0x220/0x220 [ 410.138523] ? mark_held_locks+0x130/0x130 [ 410.142757] ? mark_held_locks+0x130/0x130 [ 410.146996] ? debug_smp_processor_id+0x1c/0x20 [ 410.151663] ? perf_trace_lock+0x14d/0x7a0 [ 410.155904] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.161449] __handle_mm_fault+0x307c/0x5920 [ 410.165895] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 410.170742] ? lock_is_held_type+0x210/0x210 [ 410.175174] ? zap_class+0x640/0x640 [ 410.178910] ? zap_class+0x640/0x640 [ 410.182626] ? __x64_sys_futex+0x53e/0x6a0 [ 410.186881] ? find_held_lock+0x36/0x1c0 [ 410.190982] ? handle_mm_fault+0x42a/0xc70 [ 410.195256] ? lock_downgrade+0x900/0x900 [ 410.199415] ? check_preemption_disabled+0x48/0x280 [ 410.204437] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 410.209373] ? kasan_check_read+0x11/0x20 [ 410.213539] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 410.218822] ? rcu_softirq_qs+0x20/0x20 [ 410.222801] ? trace_hardirqs_off_caller+0x310/0x310 [ 410.227906] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.233449] ? check_preemption_disabled+0x48/0x280 [ 410.238480] handle_mm_fault+0x54f/0xc70 [ 410.242547] ? __handle_mm_fault+0x5920/0x5920 [ 410.247145] ? find_vma+0x34/0x190 [ 410.250695] __do_page_fault+0x5e8/0xe60 [ 410.254758] ? trace_hardirqs_off+0xb8/0x310 [ 410.259165] ? trace_hardirqs_off+0xb8/0x310 [ 410.263598] do_page_fault+0xf2/0x7e0 [ 410.267406] ? vmalloc_sync_all+0x30/0x30 [ 410.271560] ? error_entry+0x70/0xd0 [ 410.275278] ? trace_hardirqs_off_caller+0xbb/0x310 [ 410.280292] ? trace_hardirqs_on_caller+0xc0/0x310 [ 410.285242] ? syscall_return_slowpath+0x5e0/0x5e0 [ 410.290182] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.295033] ? trace_hardirqs_on_caller+0x310/0x310 [ 410.300053] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.305508] ? prepare_exit_to_usermode+0x291/0x3b0 [ 410.310532] ? page_fault+0x8/0x30 [ 410.314077] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 410.318924] ? page_fault+0x8/0x30 [ 410.322485] page_fault+0x1e/0x30 [ 410.325960] RIP: 0033:0x45ddf3 [ 410.329197] Code: Bad RIP value. [ 410.332559] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 410.337925] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 410.345205] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 410.352471] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 410.359739] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 410.367008] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 410.374354] warn_alloc_show_mem: 1 callbacks suppressed [ 410.374366] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 410.374368] Mem-Info: [ 410.374400] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 410.374400] active_file:13 inactive_file:17 isolated_file:0 [ 410.374400] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.374400] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 410.374400] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 410.374400] free:13759 free_pcp:161 free_cma:0 [ 410.379744] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.379753] Call Trace: [ 410.386778] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.389182] [ 410.422161] Node 0 [ 410.431536] dump_stack+0x244/0x39d [ 410.434115] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 410.461786] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.463918] lowmem_reserve[]: [ 410.466163] warn_alloc.cold.117+0xb7/0x1bd [ 410.469759] 0 [ 410.495268] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.500437] 2819 [ 410.503563] ? lock_downgrade+0x900/0x900 [ 410.507865] 6323 [ 410.509672] ? trace_hardirqs_off+0xb8/0x310 [ 410.514483] 6323 [ 410.516556] ? trace_hardirqs_off+0xb8/0x310 [ 410.520696] Node 0 [ 410.522761] __alloc_pages_slowpath+0x2660/0x2d70 [ 410.527174] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 410.529237] ? warn_alloc+0x120/0x120 [ 410.533591] lowmem_reserve[]: 0 [ 410.535863] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 410.540676] 0 3503 [ 410.567444] ? warn_alloc+0x120/0x120 [ 410.571233] 3503 [ 410.574514] ? print_usage_bug+0xc0/0xc0 [ 410.581750] ? warn_alloc+0x120/0x120 [ 410.585532] Node 0 [ 410.587593] ? print_usage_bug+0xc0/0xc0 [ 410.591664] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 410.595443] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 410.597655] lowmem_reserve[]: [ 410.601724] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.630214] 0 0 [ 410.635443] ? should_fail+0x22d/0xd01 [ 410.638516] 0 [ 410.644053] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.646002] 0 [ 410.649919] ? __lock_acquire+0x62f/0x4c20 [ 410.656802] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.658584] Node 0 [ 410.662842] ? should_fail+0x22d/0xd01 [ 410.667931] DMA: 1*4kB [ 410.670185] ? mark_held_locks+0x130/0x130 [ 410.674038] (U) [ 410.676621] ? mark_held_locks+0x130/0x130 [ 410.680837] 0*8kB [ 410.682812] ? print_usage_bug+0xc0/0xc0 [ 410.687033] 0*16kB 1*32kB [ 410.689206] ? find_held_lock+0x36/0x1c0 [ 410.693238] (U) [ 410.696082] ? zap_class+0x640/0x640 [ 410.700122] 2*64kB [ 410.702100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.705790] (U) [ 410.708030] ? check_preemption_disabled+0x48/0x280 [ 410.713556] 1*128kB (U) [ 410.715548] ? __lock_is_held+0xb5/0x140 [ 410.720534] 1*256kB [ 410.723215] __alloc_pages_nodemask+0xa80/0xde0 [ 410.727255] (U) [ 410.729577] ? zap_class+0x640/0x640 [ 410.734228] 0*512kB [ 410.736208] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 410.739937] 1*1024kB (U) [ 410.742288] ? find_held_lock+0x36/0x1c0 [ 410.747284] 1*2048kB [ 410.750055] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.754101] (M) [ 410.756508] ? lock_downgrade+0x900/0x900 [ 410.761159] 3*4096kB [ 410.763134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.767257] (M) [ 410.769665] cache_grow_begin+0xa5/0x8c0 [ 410.775177] = 15908kB [ 410.777148] ? do_raw_spin_unlock+0xa7/0x330 [ 410.781206] Node 0 [ 410.783617] fallback_alloc+0x204/0x2e0 [ 410.788001] DMA32: [ 410.790238] ____cache_alloc_node+0x1c7/0x1e0 [ 410.794195] 5*4kB [ 410.796427] kmem_cache_alloc_node+0xe3/0x730 [ 410.800898] (UM) [ 410.803048] ? mark_held_locks+0xc7/0x130 [ 410.807524] 1*8kB [ 410.809590] __alloc_skb+0x119/0x770 [ 410.813707] (M) [ 410.815855] ? netdev_alloc_frag+0x1f0/0x1f0 [ 410.819545] 3*16kB [ 410.821524] ? do_raw_spin_trylock+0x270/0x270 [ 410.825933] (M) [ 410.828166] ? kmem_cache_alloc_trace+0x353/0x750 [ 410.832722] 3*32kB (UM) [ 410.834708] ? queue_work_on+0x12c/0x1e0 [ 410.839518] 2*64kB (M) [ 410.842213] ? switchdev_port_obj_del+0xdc/0x440 [ 410.846248] 2*128kB [ 410.848831] ? switchdev_trans_item_enqueue+0x260/0x260 [ 410.853564] (M) [ 410.855904] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 410.861243] 4*256kB [ 410.863234] __br_mdb_notify+0x4ff/0x15d0 [ 410.868231] (M) 4*512kB [ 410.870574] ? __br_mdb_add+0x7f0/0x7f0 [ 410.874687] (UM) [ 410.877366] ? zap_class+0x640/0x640 [ 410.881314] 3*1024kB [ 410.883381] ? br_multicast_group_expired+0x96/0x610 [ 410.887081] (UM) [ 410.889505] ? lock_downgrade+0x900/0x900 [ 410.894590] 3*2048kB [ 410.896658] br_mdb_notify+0x310/0x410 [ 410.900773] (M) 3*4096kB [ 410.903194] ? br_mdb_dump+0x27b0/0x27b0 [ 410.907064] (M) [ 410.909821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.913860] = 25132kB [ 410.915840] br_multicast_group_expired+0x1bc/0x610 [ 410.921353] Node 0 [ 410.923760] ? br_mdb_free+0x80/0x80 [ 410.928780] Normal: 951*4kB [ 410.931037] call_timer_fn+0x272/0x920 [ 410.934730] (UMEH) [ 410.937755] ? br_mdb_free+0x80/0x80 [ 410.941623] 234*8kB [ 410.943855] ? process_timeout+0x40/0x40 [ 410.947546] (UME) [ 410.949898] ? __run_timers+0x7da/0xc70 [ 410.953936] 222*16kB [ 410.956104] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.960050] (UMEH) [ 410.962462] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.966927] 132*32kB (UM) [ 410.969171] ? br_mdb_free+0x80/0x80 [ 410.973649] 1*64kB [ 410.976494] ? lockdep_hardirqs_on+0x296/0x5b0 [ 410.980183] (H) [ 410.982419] ? trace_hardirqs_on+0xbd/0x310 [ 410.986995] 0*128kB [ 410.988975] ? kasan_check_read+0x11/0x20 [ 410.993274] 0*256kB [ 410.995600] ? __run_timers+0x7da/0xc70 [ 410.999727] 1*512kB [ 411.002051] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.006007] (H) [ 411.008346] ? br_mdb_free+0x80/0x80 [ 411.013424] 0*1024kB 0*2048kB [ 411.015415] ? br_mdb_free+0x80/0x80 [ 411.019121] 0*4096kB [ 411.022309] __run_timers+0x7e5/0xc70 [ 411.025992] = 14028kB [ 411.026007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 411.028434] ? timer_fixup_init+0x70/0x70 [ 411.032213] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 411.034614] ? kasan_check_read+0x11/0x20 [ 411.043444] 4244 total pagecache pages [ 411.047600] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.056161] 0 pages in swap cache [ 411.060307] ? rcu_softirq_qs+0x20/0x20 [ 411.064180] Swap cache stats: add 0, delete 0, find 0/0 [ 411.069458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.072905] Free swap = 0kB [ 411.076892] ? check_preemption_disabled+0x48/0x280 [ 411.082249] Total swap = 0kB [ 411.087791] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.090781] 1965979 pages RAM [ 411.095821] ? retint_kernel+0x2d/0x2d [ 411.098818] 0 pages HighMem/MovableOnly [ 411.103570] ? trace_hardirqs_on_caller+0xc0/0x310 [ 411.106647] 342293 pages reserved [ 411.106656] 0 pages cma reserved [ 411.110544] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 411.114577] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.119425] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.119441] ? zap_class+0x640/0x640 [ 411.119468] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.122986] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.126274] ? check_preemption_disabled+0x48/0x280 [ 411.131009] syz-fuzzer cpuset= [ 411.137509] ? __lock_is_held+0xb5/0x140 [ 411.142948] / [ 411.146675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.152200] mems_allowed=0 [ 411.162417] ? check_preemption_disabled+0x48/0x280 [ 411.189789] run_timer_softirq+0x52/0xb0 [ 411.193853] ? rcu_read_lock_sched_held+0x14f/0x180 [ 411.198892] __do_softirq+0x308/0xb7e [ 411.202736] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 411.207255] ? lock_downgrade+0x900/0x900 [ 411.211420] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 411.216548] ? pvclock_read_flags+0x160/0x160 [ 411.221048] ? lapic_next_event+0x5a/0x90 [ 411.225203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.230751] ? kvm_clock_read+0x18/0x30 [ 411.234726] ? kvm_sched_clock_read+0x9/0x20 [ 411.239138] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.244693] ? check_preemption_disabled+0x48/0x280 [ 411.249721] irq_exit+0x17f/0x1c0 [ 411.253183] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.258027] ? smp_reschedule_interrupt+0x109/0x650 [ 411.263048] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.268937] ? interrupt_entry+0xb5/0xc0 [ 411.273006] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.278034] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.283073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.287942] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.292957] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.297984] ? task_prio+0x50/0x50 [ 411.301528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.307070] ? check_preemption_disabled+0x48/0x280 [ 411.312091] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.316950] apic_timer_interrupt+0xf/0x20 [ 411.321183] [ 411.323432] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 411.328369] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 411.347360] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.355082] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 411.362351] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 411.369620] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 411.376886] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 411.384190] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 411.391540] skb_clone+0x1bb/0x500 [ 411.395095] ? finish_task_switch+0x2f4/0x910 [ 411.399602] ? skb_split+0x11e0/0x11e0 [ 411.403496] ? preempt_notifier_register+0x200/0x200 [ 411.408617] ? __switch_to_asm+0x34/0x70 [ 411.412681] ? __switch_to_asm+0x34/0x70 [ 411.416741] ? __switch_to_asm+0x40/0x70 [ 411.420803] ? __switch_to_asm+0x34/0x70 [ 411.424866] ? __switch_to_asm+0x40/0x70 [ 411.428927] ? __switch_to_asm+0x34/0x70 [ 411.432987] ? __switch_to_asm+0x40/0x70 [ 411.437051] ? __switch_to_asm+0x34/0x70 [ 411.441112] ? __switch_to_asm+0x34/0x70 [ 411.445197] ? __switch_to_asm+0x40/0x70 [ 411.449257] ? __switch_to_asm+0x34/0x70 [ 411.453345] bpf_clone_redirect+0xb9/0x490 [ 411.457587] ? __schedule+0x8d7/0x21d0 [ 411.461488] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 411.466511] ? __sched_text_start+0x8/0x8 [ 411.470669] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 411.475262] ? find_held_lock+0x36/0x1c0 [ 411.479336] ? lock_acquire+0x1ed/0x520 [ 411.483326] ? bpf_test_run+0x3cb/0x780 [ 411.487323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.492864] ? check_preemption_disabled+0x48/0x280 [ 411.497889] ? kasan_check_read+0x11/0x20 [ 411.502043] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.507334] ? rcu_softirq_qs+0x20/0x20 [ 411.511346] ? preempt_schedule+0x4d/0x60 [ 411.515500] ? ___preempt_schedule+0x16/0x18 [ 411.519926] ? bpf_test_run+0x25d/0x780 [ 411.523920] ? netlink_diag_dump+0x2a0/0x2a0 [ 411.528348] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 411.533111] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 411.537879] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.542721] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 411.548265] ? fput+0x130/0x1a0 [ 411.551556] ? __bpf_prog_get+0x9b/0x290 [ 411.555636] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 411.560496] ? bpf_prog_test_run+0x130/0x1a0 [ 411.564911] ? __x64_sys_bpf+0x3d8/0x520 [ 411.568975] ? bpf_prog_get+0x20/0x20 [ 411.572806] ? do_syscall_64+0x1b9/0x820 [ 411.576916] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 411.582324] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.587258] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.592102] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.597122] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 411.602142] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.607685] ? prepare_exit_to_usermode+0x291/0x3b0 [ 411.612710] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.617566] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.622967] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 411.623157] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.629659] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.640150] syz-executor3 cpuset= [ 411.649490] Call Trace: [ 411.649501] syz3 [ 411.652981] [ 411.655572] mems_allowed=0 [ 411.657568] dump_stack+0x244/0x39d [ 411.666238] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.671446] warn_alloc.cold.117+0xb7/0x1bd [ 411.675776] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.680627] ? lock_downgrade+0x900/0x900 [ 411.684787] ? trace_hardirqs_off+0xb8/0x310 [ 411.689214] ? trace_hardirqs_off+0xb8/0x310 [ 411.693636] __alloc_pages_slowpath+0x2660/0x2d70 [ 411.698515] ? warn_alloc+0x120/0x120 [ 411.702336] ? warn_alloc+0x120/0x120 [ 411.706144] ? print_usage_bug+0xc0/0xc0 [ 411.710213] ? warn_alloc+0x120/0x120 [ 411.714022] ? print_usage_bug+0xc0/0xc0 [ 411.718082] ? __lock_acquire+0x62f/0x4c20 [ 411.722811] ? __lock_acquire+0x62f/0x4c20 [ 411.727055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.732619] ? should_fail+0x22d/0xd01 [ 411.736524] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.741630] ? __lock_acquire+0x62f/0x4c20 [ 411.745872] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.750981] ? __lock_acquire+0x62f/0x4c20 [ 411.755227] ? should_fail+0x22d/0xd01 [ 411.759114] ? find_held_lock+0x36/0x1c0 [ 411.763207] ? mark_held_locks+0x130/0x130 [ 411.767454] ? mark_held_locks+0x130/0x130 [ 411.771689] ? zap_class+0x640/0x640 [ 411.775401] ? zap_class+0x640/0x640 [ 411.779120] ? print_usage_bug+0xc0/0xc0 [ 411.783203] ? do_raw_spin_unlock+0xa7/0x330 [ 411.787614] ? zap_class+0x640/0x640 [ 411.791330] ? print_usage_bug+0xc0/0xc0 [ 411.795388] ? wq_watchdog_touch+0x9c/0xfe [ 411.799641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.805193] ? check_preemption_disabled+0x48/0x280 [ 411.810232] ? __lock_is_held+0xb5/0x140 [ 411.814304] __alloc_pages_nodemask+0xa80/0xde0 [ 411.819009] ? zap_class+0x640/0x640 [ 411.822754] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 411.827792] ? find_held_lock+0x36/0x1c0 [ 411.831875] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.836567] ? lock_downgrade+0x900/0x900 [ 411.840734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.846281] cache_grow_begin+0xa5/0x8c0 [ 411.850347] ? do_raw_spin_unlock+0xa7/0x330 [ 411.854769] fallback_alloc+0x204/0x2e0 [ 411.858755] ____cache_alloc_node+0x1c7/0x1e0 [ 411.863260] kmem_cache_alloc_node+0xe3/0x730 [ 411.867762] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.872032] __alloc_skb+0x119/0x770 [ 411.875770] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 411.881051] ? netdev_alloc_frag+0x1f0/0x1f0 [ 411.885458] ? lock_downgrade+0x900/0x900 [ 411.889621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.895182] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.900659] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.906110] ? addrconf_rs_timer+0x690/0x690 [ 411.910535] ndisc_alloc_skb+0x144/0x340 [ 411.914606] ndisc_send_rs+0x331/0x6e0 [ 411.918501] addrconf_rs_timer+0x314/0x690 [ 411.922745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.927030] call_timer_fn+0x272/0x920 [ 411.930918] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.935158] ? process_timeout+0x40/0x40 [ 411.939235] ? mark_held_locks+0xc7/0x130 [ 411.943391] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.947885] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.952385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.956623] ? lockdep_hardirqs_on+0x296/0x5b0 [ 411.961220] ? trace_hardirqs_on+0xbd/0x310 [ 411.965552] ? kasan_check_read+0x11/0x20 [ 411.969707] ? __run_timers+0x7da/0xc70 [ 411.973682] ? trace_hardirqs_off_caller+0x310/0x310 [ 411.978793] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.983044] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.987308] __run_timers+0x7e5/0xc70 [ 411.991133] ? timer_fixup_init+0x70/0x70 [ 411.995314] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.000355] ? zap_class+0x640/0x640 [ 412.004074] ? print_usage_bug+0xc0/0xc0 [ 412.008138] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.013351] ? find_held_lock+0x36/0x1c0 [ 412.017418] ? zap_class+0x640/0x640 [ 412.021149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.026691] ? check_preemption_disabled+0x48/0x280 [ 412.031723] ? __lock_is_held+0xb5/0x140 [ 412.035789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.041334] ? check_preemption_disabled+0x48/0x280 [ 412.046366] run_timer_softirq+0x52/0xb0 [ 412.050443] ? rcu_read_lock_sched_held+0x14f/0x180 [ 412.055471] __do_softirq+0x308/0xb7e [ 412.059277] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 412.063772] ? lock_downgrade+0x900/0x900 [ 412.067928] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 412.073049] ? pvclock_read_flags+0x160/0x160 [ 412.077569] ? lapic_next_event+0x5a/0x90 [ 412.081724] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.087270] ? kvm_clock_read+0x18/0x30 [ 412.091243] ? kvm_sched_clock_read+0x9/0x20 [ 412.095655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.101200] ? check_preemption_disabled+0x48/0x280 [ 412.106244] irq_exit+0x17f/0x1c0 [ 412.109705] smp_apic_timer_interrupt+0x1cb/0x760 [ 412.114550] ? smp_reschedule_interrupt+0x109/0x650 [ 412.119586] ? smp_call_function_single_interrupt+0x650/0x650 [ 412.125471] ? interrupt_entry+0xb5/0xc0 [ 412.129537] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.134551] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.139574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.144431] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.149450] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.154485] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.159340] apic_timer_interrupt+0xf/0x20 [ 412.163567] [ 412.165805] RIP: 0010:dump_stack+0x358/0x39d [ 412.170230] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 412.189128] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 412.196838] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 412.204121] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 412.211386] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 412.218666] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 412.225935] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 412.233240] ? dump_stack+0x34f/0x39d [ 412.237059] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.242268] dump_header+0x27b/0xf72 [ 412.245997] ? mark_held_locks+0x130/0x130 [ 412.250236] ? pagefault_out_of_memory+0x197/0x197 [ 412.255171] ? __lock_acquire+0x62f/0x4c20 [ 412.259411] ? zap_class+0x640/0x640 [ 412.263127] ? percpu_ref_get_many+0x240/0x240 [ 412.267715] ? print_usage_bug+0xc0/0xc0 [ 412.271778] ? print_usage_bug+0xc0/0xc0 [ 412.275849] ? zap_class+0x640/0x640 [ 412.279571] ? print_usage_bug+0xc0/0xc0 [ 412.283657] ? print_usage_bug+0xc0/0xc0 [ 412.287731] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.293286] ? find_held_lock+0x36/0x1c0 [ 412.297358] ? mark_held_locks+0xc7/0x130 [ 412.301510] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.306613] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 412.311719] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 412.316314] ? trace_hardirqs_on+0xbd/0x310 [ 412.320637] ? kasan_check_read+0x11/0x20 [ 412.324788] ? ___ratelimit+0x3b4/0x672 [ 412.328766] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.333883] ? trace_hardirqs_on+0x310/0x310 [ 412.338306] ? lock_downgrade+0x900/0x900 [ 412.342490] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.347602] ? ___ratelimit+0x3b9/0x672 [ 412.351584] ? idr_get_free+0xec0/0xec0 [ 412.355559] ? find_held_lock+0x36/0x1c0 [ 412.359646] oom_kill_process.cold.27+0x10/0x903 [ 412.364406] ? zap_class+0x640/0x640 [ 412.368138] ? check_preemption_disabled+0x48/0x280 [ 412.373164] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.378105] ? kasan_check_read+0x11/0x20 [ 412.382256] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.387541] ? oom_evaluate_task+0x540/0x540 [ 412.391966] ? find_held_lock+0x36/0x1c0 [ 412.396046] ? out_of_memory+0x974/0x1430 [ 412.400209] ? lock_downgrade+0x900/0x900 [ 412.404360] ? check_preemption_disabled+0x48/0x280 [ 412.409397] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.414323] ? kasan_check_read+0x11/0x20 [ 412.418472] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.423765] ? rcu_softirq_qs+0x20/0x20 [ 412.427744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.433287] ? oom_evaluate_task+0x302/0x540 [ 412.437704] out_of_memory+0xa84/0x1430 [ 412.441696] ? oom_killer_disable+0x3a0/0x3a0 [ 412.446217] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 412.451154] ? __mutex_add_waiter+0x2a0/0x2a0 [ 412.455671] __alloc_pages_slowpath+0x22d4/0x2d70 [ 412.460547] ? warn_alloc+0x120/0x120 [ 412.464355] ? rcu_softirq_qs+0x20/0x20 [ 412.468364] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.473902] ? should_fail+0x22d/0xd01 [ 412.477800] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.482917] ? zap_class+0x640/0x640 [ 412.486665] ? __lock_is_held+0xb5/0x140 [ 412.490741] ? mark_held_locks+0x130/0x130 [ 412.494983] ? lock_release+0xa00/0xa00 [ 412.498968] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.504433] ? __might_sleep+0x95/0x190 [ 412.508414] __alloc_pages_nodemask+0xa80/0xde0 [ 412.513095] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 412.518117] ? __page_cache_alloc+0x191/0x5c0 [ 412.522611] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.527555] ? kasan_check_read+0x11/0x20 [ 412.531721] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.537002] ? zap_class+0x640/0x640 [ 412.540723] ? zap_class+0x640/0x640 [ 412.544432] ? zap_class+0x640/0x640 [ 412.548162] ? __do_page_cache_readahead+0x7ce/0x980 [ 412.553275] ? find_held_lock+0x36/0x1c0 [ 412.557345] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 412.562892] alloc_pages_current+0x173/0x350 [ 412.567314] __page_cache_alloc+0x38c/0x5c0 [ 412.571640] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.576567] ? kasan_check_read+0x11/0x20 [ 412.580722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.586000] ? generic_perform_write+0x6a0/0x6a0 [ 412.590769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.596311] ? check_preemption_disabled+0x48/0x280 [ 412.601341] filemap_fault+0x1594/0x25f0 [ 412.605418] ? __lock_page_or_retry+0xa00/0xa00 [ 412.610090] ? mark_held_locks+0x130/0x130 [ 412.614620] ? rcu_softirq_qs+0x20/0x20 [ 412.618608] ? filemap_map_pages+0xe04/0x1990 [ 412.623117] ? __free_object+0x173/0x340 [ 412.627184] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 412.632120] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.637232] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 412.641917] ? debug_object_free+0x32d/0x690 [ 412.646329] ? kasan_check_read+0x11/0x20 [ 412.650480] ? debug_object_destroy+0x2b0/0x2b0 [ 412.655156] ? lock_pi_update_atomic+0x150/0x150 [ 412.659909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.665477] ? __hrtimer_init+0xdb/0x240 [ 412.669569] ? lock_acquire+0x1ed/0x520 [ 412.673589] ? ext4_filemap_fault+0x7a/0xad [ 412.677918] ? lock_release+0xa00/0xa00 [ 412.681912] ? perf_trace_sched_process_exec+0x860/0x860 [ 412.687365] ? print_usage_bug+0xc0/0xc0 [ 412.691454] ? print_usage_bug+0xc0/0xc0 [ 412.695527] ? down_read+0x8d/0x120 [ 412.699150] ? ext4_filemap_fault+0x7a/0xad [ 412.703470] ? __down_interruptible+0x700/0x700 [ 412.708149] ext4_filemap_fault+0x82/0xad [ 412.712301] __do_fault+0x100/0x6b0 [ 412.715931] ? pmd_devmap_trans_unstable+0x220/0x220 [ 412.721045] ? mark_held_locks+0x130/0x130 [ 412.725289] ? mark_held_locks+0x130/0x130 [ 412.729544] ? debug_smp_processor_id+0x1c/0x20 [ 412.734231] ? perf_trace_lock+0x14d/0x7a0 [ 412.738475] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.744017] __handle_mm_fault+0x307c/0x5920 [ 412.748443] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 412.753296] ? lock_is_held_type+0x210/0x210 [ 412.757733] ? zap_class+0x640/0x640 [ 412.761449] ? zap_class+0x640/0x640 [ 412.765170] ? __x64_sys_futex+0x53e/0x6a0 [ 412.769411] ? find_held_lock+0x36/0x1c0 [ 412.773486] ? handle_mm_fault+0x42a/0xc70 [ 412.777729] ? lock_downgrade+0x900/0x900 [ 412.781881] ? check_preemption_disabled+0x48/0x280 [ 412.786921] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 412.791869] ? kasan_check_read+0x11/0x20 [ 412.796021] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 412.801307] ? rcu_softirq_qs+0x20/0x20 [ 412.805281] ? trace_hardirqs_off_caller+0x310/0x310 [ 412.810388] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.815927] ? check_preemption_disabled+0x48/0x280 [ 412.820970] handle_mm_fault+0x54f/0xc70 [ 412.825035] ? __handle_mm_fault+0x5920/0x5920 [ 412.829637] ? find_vma+0x34/0x190 [ 412.833187] __do_page_fault+0x5e8/0xe60 [ 412.837259] ? trace_hardirqs_off+0xb8/0x310 [ 412.841668] ? trace_hardirqs_off+0xb8/0x310 [ 412.846088] do_page_fault+0xf2/0x7e0 [ 412.849888] ? vmalloc_sync_all+0x30/0x30 [ 412.854040] ? error_entry+0x70/0xd0 [ 412.857757] ? trace_hardirqs_off_caller+0xbb/0x310 [ 412.862773] ? trace_hardirqs_on_caller+0xc0/0x310 [ 412.867709] ? syscall_return_slowpath+0x5e0/0x5e0 [ 412.872638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.877491] ? trace_hardirqs_on_caller+0x310/0x310 [ 412.882517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.887981] ? prepare_exit_to_usermode+0x291/0x3b0 [ 412.893004] ? page_fault+0x8/0x30 [ 412.896560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 412.901406] ? page_fault+0x8/0x30 [ 412.904957] page_fault+0x1e/0x30 [ 412.908411] RIP: 0033:0x45ddf3 [ 412.911622] Code: Bad RIP value. [ 412.914991] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 412.920354] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 412.927624] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 412.934904] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 412.942197] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 412.949466] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 412.956779] warn_alloc_show_mem: 1 callbacks suppressed [ 412.956791] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 412.956793] Mem-Info: [ 412.956826] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 412.956826] active_file:13 inactive_file:17 isolated_file:0 [ 412.956826] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.956826] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 412.956826] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 412.956826] free:13759 free_pcp:161 free_cma:0 [ 412.962170] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.962180] Call Trace: [ 412.969200] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.971608] [ 413.004563] Node 0 [ 413.013922] dump_stack+0x244/0x39d [ 413.016503] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 413.044150] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.046281] lowmem_reserve[]: [ 413.048526] warn_alloc.cold.117+0xb7/0x1bd [ 413.052119] 0 [ 413.077634] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.082803] 2819 [ 413.085911] ? lock_downgrade+0x900/0x900 [ 413.090207] 6323 6323 [ 413.092024] ? trace_hardirqs_off+0xb8/0x310 [ 413.098900] ? trace_hardirqs_off+0xb8/0x310 [ 413.103024] Node 0 [ 413.105532] __alloc_pages_slowpath+0x2660/0x2d70 [ 413.109943] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 413.114353] ? warn_alloc+0x120/0x120 [ 413.116545] lowmem_reserve[]: [ 413.121384] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 413.148081] 0 0 [ 413.151910] ? warn_alloc+0x120/0x120 [ 413.154985] 3503 [ 413.160002] ? print_usage_bug+0xc0/0xc0 [ 413.161958] 3503 [ 413.165754] ? warn_alloc+0x120/0x120 [ 413.171849] ? print_usage_bug+0xc0/0xc0 [ 413.173896] Node 0 [ 413.177713] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 413.181790] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 413.184005] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.189172] lowmem_reserve[]: 0 [ 413.217507] ? should_fail+0x22d/0xd01 [ 413.223022] 0 [ 413.226303] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.230160] 0 0 [ 413.231991] ? __lock_acquire+0x62f/0x4c20 [ 413.239065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.243275] Node 0 DMA: [ 413.248372] ? should_fail+0x22d/0xd01 [ 413.248409] ? mark_held_locks+0x130/0x130 [ 413.251059] 1*4kB [ 413.254943] ? mark_held_locks+0x130/0x130 [ 413.259164] (U) [ 413.261321] ? print_usage_bug+0xc0/0xc0 [ 413.265537] 0*8kB [ 413.267507] ? find_held_lock+0x36/0x1c0 [ 413.271549] 0*16kB [ 413.273697] ? zap_class+0x640/0x640 [ 413.277737] 1*32kB [ 413.279976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.283664] (U) [ 413.285907] ? check_preemption_disabled+0x48/0x280 [ 413.291423] 2*64kB [ 413.293405] ? __lock_is_held+0xb5/0x140 [ 413.298395] (U) [ 413.300635] __alloc_pages_nodemask+0xa80/0xde0 [ 413.304675] 1*128kB [ 413.306646] ? zap_class+0x640/0x640 [ 413.311288] (U) 1*256kB [ 413.313623] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 413.317313] (U) [ 413.319988] ? find_held_lock+0x36/0x1c0 [ 413.324994] 0*512kB [ 413.326970] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.331014] 1*1024kB [ 413.333334] ? lock_downgrade+0x900/0x900 [ 413.337985] (U) [ 413.340402] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.344517] 1*2048kB (M) [ 413.346503] cache_grow_begin+0xa5/0x8c0 [ 413.352011] 3*4096kB (M) [ 413.354781] ? do_raw_spin_unlock+0xa7/0x330 [ 413.358823] = 15908kB [ 413.361580] fallback_alloc+0x204/0x2e0 [ 413.365970] Node 0 [ 413.368378] ____cache_alloc_node+0x1c7/0x1e0 [ 413.372332] DMA32: 5*4kB [ 413.374588] kmem_cache_alloc_node+0xe3/0x730 [ 413.379060] (UM) [ 413.381826] ? mark_held_locks+0xc7/0x130 [ 413.386323] 1*8kB [ 413.388400] __alloc_skb+0x119/0x770 [ 413.392519] (M) [ 413.394670] ? netdev_alloc_frag+0x1f0/0x1f0 [ 413.398365] 3*16kB [ 413.400340] ? do_raw_spin_trylock+0x270/0x270 [ 413.404726] (M) [ 413.406963] ? kmem_cache_alloc_trace+0x353/0x750 [ 413.411523] 3*32kB (UM) [ 413.413509] ? queue_work_on+0x12c/0x1e0 [ 413.418351] 2*64kB [ 413.421022] ? switchdev_port_obj_del+0xdc/0x440 [ 413.425062] (M) 2*128kB [ 413.427308] ? switchdev_trans_item_enqueue+0x260/0x260 [ 413.432041] (M) [ 413.434711] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 413.440075] 4*256kB [ 413.442059] __br_mdb_notify+0x4ff/0x15d0 [ 413.447058] (M) [ 413.449386] ? __br_mdb_add+0x7f0/0x7f0 [ 413.453507] 4*512kB [ 413.455493] ? zap_class+0x640/0x640 [ 413.459438] (UM) [ 413.461770] ? br_multicast_group_expired+0x96/0x610 [ 413.465463] 3*1024kB [ 413.467522] ? lock_downgrade+0x900/0x900 [ 413.472604] (UM) [ 413.475017] br_mdb_notify+0x310/0x410 [ 413.479136] 3*2048kB [ 413.481230] ? br_mdb_dump+0x27b0/0x27b0 [ 413.485087] (M) [ 413.487500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.491548] 3*4096kB (M) [ 413.493538] br_multicast_group_expired+0x1bc/0x610 [ 413.499050] = 25132kB [ 413.501806] ? br_mdb_free+0x80/0x80 [ 413.506803] Node 0 [ 413.509225] call_timer_fn+0x272/0x920 [ 413.512904] Normal: 951*4kB [ 413.515147] ? br_mdb_free+0x80/0x80 [ 413.519012] (UMEH) [ 413.522027] ? process_timeout+0x40/0x40 [ 413.525739] 234*8kB [ 413.527976] ? __run_timers+0x7da/0xc70 [ 413.532015] (UME) [ 413.534336] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.538285] 222*16kB [ 413.540430] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.544907] (UMEH) [ 413.547315] ? br_mdb_free+0x80/0x80 [ 413.551791] 132*32kB [ 413.554026] ? lockdep_hardirqs_on+0x296/0x5b0 [ 413.557721] (UM) [ 413.560135] ? trace_hardirqs_on+0xbd/0x310 [ 413.564690] 1*64kB (H) [ 413.566763] ? kasan_check_read+0x11/0x20 [ 413.571069] 0*128kB [ 413.573648] ? __run_timers+0x7da/0xc70 [ 413.577767] 0*256kB 1*512kB [ 413.580099] ? trace_hardirqs_off_caller+0x310/0x310 [ 413.584050] (H) [ 413.587069] ? br_mdb_free+0x80/0x80 [ 413.592146] 0*1024kB [ 413.594119] ? br_mdb_free+0x80/0x80 [ 413.597809] 0*2048kB [ 413.600221] __run_timers+0x7e5/0xc70 [ 413.603913] 0*4096kB [ 413.606324] ? timer_fixup_init+0x70/0x70 [ 413.610103] = 14028kB [ 413.612510] ? kasan_check_read+0x11/0x20 [ 413.616642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 413.619046] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 413.623185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 413.632034] ? rcu_softirq_qs+0x20/0x20 [ 413.637294] 4244 total pagecache pages [ 413.645873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.649836] 0 pages in swap cache [ 413.653713] ? check_preemption_disabled+0x48/0x280 [ 413.659236] Swap cache stats: add 0, delete 0, find 0/0 [ 413.662685] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.667675] Free swap = 0kB [ 413.673035] ? retint_kernel+0x2d/0x2d [ 413.677777] Total swap = 0kB [ 413.680795] ? trace_hardirqs_on_caller+0xc0/0x310 [ 413.684676] 1965979 pages RAM [ 413.687706] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 413.692612] 0 pages HighMem/MovableOnly [ 413.695722] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.700449] 342293 pages reserved [ 413.700464] 0 pages cma reserved [ 413.704457] ? zap_class+0x640/0x640 [ 413.709967] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.713336] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.716747] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.720392] ? check_preemption_disabled+0x48/0x280 [ 413.727400] syz-fuzzer cpuset= [ 413.732943] ? __lock_is_held+0xb5/0x140 [ 413.743149] / [ 413.748162] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.751336] mems_allowed=0 [ 413.755402] ? check_preemption_disabled+0x48/0x280 [ 413.770569] run_timer_softirq+0x52/0xb0 [ 413.774632] ? rcu_read_lock_sched_held+0x14f/0x180 [ 413.779676] __do_softirq+0x308/0xb7e [ 413.783497] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 413.787994] ? lock_downgrade+0x900/0x900 [ 413.792153] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 413.797265] ? pvclock_read_flags+0x160/0x160 [ 413.801763] ? lapic_next_event+0x5a/0x90 [ 413.805920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.811475] ? kvm_clock_read+0x18/0x30 [ 413.815467] ? kvm_sched_clock_read+0x9/0x20 [ 413.819877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.825417] ? check_preemption_disabled+0x48/0x280 [ 413.830461] irq_exit+0x17f/0x1c0 [ 413.833923] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.838766] ? smp_reschedule_interrupt+0x109/0x650 [ 413.843823] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.849711] ? interrupt_entry+0xb5/0xc0 [ 413.853774] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.858789] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.863808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.868653] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.873668] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.878685] ? task_prio+0x50/0x50 [ 413.882228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.887768] ? check_preemption_disabled+0x48/0x280 [ 413.892796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.897656] apic_timer_interrupt+0xf/0x20 [ 413.901885] [ 413.904123] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.909082] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 413.927978] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.935688] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.942958] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 413.950226] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 413.957494] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.964774] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 413.972101] skb_clone+0x1bb/0x500 [ 413.975651] ? finish_task_switch+0x2f4/0x910 [ 413.980152] ? skb_split+0x11e0/0x11e0 [ 413.984041] ? preempt_notifier_register+0x200/0x200 [ 413.989151] ? __switch_to_asm+0x34/0x70 [ 413.993210] ? __switch_to_asm+0x34/0x70 [ 413.997272] ? __switch_to_asm+0x40/0x70 [ 414.001334] ? __switch_to_asm+0x34/0x70 [ 414.005396] ? __switch_to_asm+0x40/0x70 [ 414.009461] ? __switch_to_asm+0x34/0x70 [ 414.013520] ? __switch_to_asm+0x40/0x70 [ 414.017580] ? __switch_to_asm+0x34/0x70 [ 414.021645] ? __switch_to_asm+0x34/0x70 [ 414.025703] ? __switch_to_asm+0x40/0x70 [ 414.029767] ? __switch_to_asm+0x34/0x70 [ 414.033843] bpf_clone_redirect+0xb9/0x490 [ 414.038080] ? __schedule+0x8d7/0x21d0 [ 414.041996] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 414.047048] ? __sched_text_start+0x8/0x8 [ 414.051207] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.055797] ? find_held_lock+0x36/0x1c0 [ 414.059873] ? lock_acquire+0x1ed/0x520 [ 414.063855] ? bpf_test_run+0x3cb/0x780 [ 414.067835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.073380] ? check_preemption_disabled+0x48/0x280 [ 414.078407] ? kasan_check_read+0x11/0x20 [ 414.082564] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.087845] ? rcu_softirq_qs+0x20/0x20 [ 414.091829] ? preempt_schedule+0x4d/0x60 [ 414.095980] ? ___preempt_schedule+0x16/0x18 [ 414.100404] ? bpf_test_run+0x25d/0x780 [ 414.104396] ? netlink_diag_dump+0x2a0/0x2a0 [ 414.108811] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 414.113581] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 414.118351] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.123193] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 414.128739] ? fput+0x130/0x1a0 [ 414.132035] ? __bpf_prog_get+0x9b/0x290 [ 414.136107] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 414.140954] ? bpf_prog_test_run+0x130/0x1a0 [ 414.145379] ? __x64_sys_bpf+0x3d8/0x520 [ 414.149447] ? bpf_prog_get+0x20/0x20 [ 414.153283] ? do_syscall_64+0x1b9/0x820 [ 414.157348] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 414.162720] ? syscall_return_slowpath+0x5e0/0x5e0 [ 414.167651] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.172500] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.177525] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 414.182554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.188133] ? prepare_exit_to_usermode+0x291/0x3b0 [ 414.193164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.198032] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 414.203435] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 414.203651] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.210128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.220610] syz-executor3 cpuset= [ 414.229964] Call Trace: [ 414.229975] syz3 [ 414.233415] [ 414.235993] mems_allowed=0 [ 414.237980] dump_stack+0x244/0x39d [ 414.246648] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.251862] warn_alloc.cold.117+0xb7/0x1bd [ 414.256199] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.261063] ? lock_downgrade+0x900/0x900 [ 414.265323] ? trace_hardirqs_off+0xb8/0x310 [ 414.269754] ? trace_hardirqs_off+0xb8/0x310 [ 414.274180] __alloc_pages_slowpath+0x2660/0x2d70 [ 414.279072] ? warn_alloc+0x120/0x120 [ 414.282881] ? warn_alloc+0x120/0x120 [ 414.286688] ? print_usage_bug+0xc0/0xc0 [ 414.290752] ? warn_alloc+0x120/0x120 [ 414.294556] ? print_usage_bug+0xc0/0xc0 [ 414.298621] ? __lock_acquire+0x62f/0x4c20 [ 414.302862] ? __lock_acquire+0x62f/0x4c20 [ 414.307107] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.312648] ? should_fail+0x22d/0xd01 [ 414.316544] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.321648] ? __lock_acquire+0x62f/0x4c20 [ 414.325905] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.331011] ? __lock_acquire+0x62f/0x4c20 [ 414.335260] ? should_fail+0x22d/0xd01 [ 414.339152] ? find_held_lock+0x36/0x1c0 [ 414.343228] ? mark_held_locks+0x130/0x130 [ 414.347471] ? mark_held_locks+0x130/0x130 [ 414.351708] ? zap_class+0x640/0x640 [ 414.355425] ? zap_class+0x640/0x640 [ 414.359163] ? print_usage_bug+0xc0/0xc0 [ 414.363233] ? do_raw_spin_unlock+0xa7/0x330 [ 414.367643] ? zap_class+0x640/0x640 [ 414.371358] ? print_usage_bug+0xc0/0xc0 [ 414.375421] ? wq_watchdog_touch+0x9c/0xfe [ 414.380038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.385580] ? check_preemption_disabled+0x48/0x280 [ 414.390610] ? __lock_is_held+0xb5/0x140 [ 414.394682] __alloc_pages_nodemask+0xa80/0xde0 [ 414.399364] ? zap_class+0x640/0x640 [ 414.403094] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 414.408127] ? find_held_lock+0x36/0x1c0 [ 414.412208] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.416878] ? lock_downgrade+0x900/0x900 [ 414.421034] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.426575] cache_grow_begin+0xa5/0x8c0 [ 414.430642] ? do_raw_spin_unlock+0xa7/0x330 [ 414.435060] fallback_alloc+0x204/0x2e0 [ 414.439045] ____cache_alloc_node+0x1c7/0x1e0 [ 414.443547] kmem_cache_alloc_node+0xe3/0x730 [ 414.448047] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.452340] __alloc_skb+0x119/0x770 [ 414.456055] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.461344] ? netdev_alloc_frag+0x1f0/0x1f0 [ 414.465755] ? lock_downgrade+0x900/0x900 [ 414.469916] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.475458] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.480924] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.486387] ? addrconf_rs_timer+0x690/0x690 [ 414.490812] ndisc_alloc_skb+0x144/0x340 [ 414.494883] ndisc_send_rs+0x331/0x6e0 [ 414.498776] addrconf_rs_timer+0x314/0x690 [ 414.503025] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.507289] call_timer_fn+0x272/0x920 [ 414.511215] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.515457] ? process_timeout+0x40/0x40 [ 414.519541] ? mark_held_locks+0xc7/0x130 [ 414.523694] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.528199] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.532694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.536936] ? lockdep_hardirqs_on+0x296/0x5b0 [ 414.541534] ? trace_hardirqs_on+0xbd/0x310 [ 414.545858] ? kasan_check_read+0x11/0x20 [ 414.550011] ? __run_timers+0x7da/0xc70 [ 414.553990] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.559107] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.563353] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.567593] __run_timers+0x7e5/0xc70 [ 414.571410] ? timer_fixup_init+0x70/0x70 [ 414.575585] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.580605] ? zap_class+0x640/0x640 [ 414.584331] ? print_usage_bug+0xc0/0xc0 [ 414.588402] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 414.593607] ? find_held_lock+0x36/0x1c0 [ 414.597678] ? zap_class+0x640/0x640 [ 414.601419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.606964] ? check_preemption_disabled+0x48/0x280 [ 414.611995] ? __lock_is_held+0xb5/0x140 [ 414.616243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.621781] ? check_preemption_disabled+0x48/0x280 [ 414.626833] run_timer_softirq+0x52/0xb0 [ 414.630894] ? rcu_read_lock_sched_held+0x14f/0x180 [ 414.635942] __do_softirq+0x308/0xb7e [ 414.639756] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 414.644262] ? lock_downgrade+0x900/0x900 [ 414.648432] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 414.653549] ? pvclock_read_flags+0x160/0x160 [ 414.658053] ? lapic_next_event+0x5a/0x90 [ 414.662232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.667780] ? kvm_clock_read+0x18/0x30 [ 414.671754] ? kvm_sched_clock_read+0x9/0x20 [ 414.676178] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.681717] ? check_preemption_disabled+0x48/0x280 [ 414.686752] irq_exit+0x17f/0x1c0 [ 414.690221] smp_apic_timer_interrupt+0x1cb/0x760 [ 414.695068] ? smp_reschedule_interrupt+0x109/0x650 [ 414.700089] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.705981] ? interrupt_entry+0xb5/0xc0 [ 414.710048] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.715064] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.720094] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.725396] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.730414] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.735460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.740319] apic_timer_interrupt+0xf/0x20 [ 414.744566] [ 414.746807] RIP: 0010:dump_stack+0x358/0x39d [ 414.751224] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 414.770129] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 414.777848] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 414.785118] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 414.792389] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 414.799662] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 414.806932] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 414.814245] ? dump_stack+0x34f/0x39d [ 414.818074] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.823294] dump_header+0x27b/0xf72 [ 414.827038] ? mark_held_locks+0x130/0x130 [ 414.831279] ? pagefault_out_of_memory+0x197/0x197 [ 414.836234] ? __lock_acquire+0x62f/0x4c20 [ 414.840472] ? zap_class+0x640/0x640 [ 414.844195] ? percpu_ref_get_many+0x240/0x240 [ 414.848782] ? print_usage_bug+0xc0/0xc0 [ 414.852874] ? print_usage_bug+0xc0/0xc0 [ 414.856942] ? zap_class+0x640/0x640 [ 414.860677] ? print_usage_bug+0xc0/0xc0 [ 414.864736] ? print_usage_bug+0xc0/0xc0 [ 414.868805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.874347] ? find_held_lock+0x36/0x1c0 [ 414.878430] ? mark_held_locks+0xc7/0x130 [ 414.882589] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.887696] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 414.892833] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 414.897425] ? trace_hardirqs_on+0xbd/0x310 [ 414.901762] ? kasan_check_read+0x11/0x20 [ 414.905919] ? ___ratelimit+0x3b4/0x672 [ 414.909905] ? trace_hardirqs_off_caller+0x310/0x310 [ 414.915010] ? trace_hardirqs_on+0x310/0x310 [ 414.919421] ? lock_downgrade+0x900/0x900 [ 414.923586] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.928700] ? ___ratelimit+0x3b9/0x672 [ 414.932703] ? idr_get_free+0xec0/0xec0 [ 414.936685] ? find_held_lock+0x36/0x1c0 [ 414.940769] oom_kill_process.cold.27+0x10/0x903 [ 414.945530] ? zap_class+0x640/0x640 [ 414.949246] ? check_preemption_disabled+0x48/0x280 [ 414.954275] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.959213] ? kasan_check_read+0x11/0x20 [ 414.963376] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 414.968670] ? oom_evaluate_task+0x540/0x540 [ 414.973088] ? find_held_lock+0x36/0x1c0 [ 414.977164] ? out_of_memory+0x974/0x1430 [ 414.981324] ? lock_downgrade+0x900/0x900 [ 414.985472] ? check_preemption_disabled+0x48/0x280 [ 414.990499] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 414.995432] ? kasan_check_read+0x11/0x20 [ 414.999585] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.004864] ? rcu_softirq_qs+0x20/0x20 [ 415.008848] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.014391] ? oom_evaluate_task+0x302/0x540 [ 415.018811] out_of_memory+0xa84/0x1430 [ 415.022804] ? oom_killer_disable+0x3a0/0x3a0 [ 415.027303] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 415.032239] ? __mutex_add_waiter+0x2a0/0x2a0 [ 415.036752] __alloc_pages_slowpath+0x22d4/0x2d70 [ 415.041634] ? warn_alloc+0x120/0x120 [ 415.045438] ? rcu_softirq_qs+0x20/0x20 [ 415.049450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.055010] ? should_fail+0x22d/0xd01 [ 415.058916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.064020] ? zap_class+0x640/0x640 [ 415.067766] ? __lock_is_held+0xb5/0x140 [ 415.071846] ? mark_held_locks+0x130/0x130 [ 415.076094] ? lock_release+0xa00/0xa00 [ 415.080073] ? perf_trace_sched_process_exec+0x860/0x860 [ 415.085539] ? __might_sleep+0x95/0x190 [ 415.089520] __alloc_pages_nodemask+0xa80/0xde0 [ 415.094214] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 415.099237] ? __page_cache_alloc+0x191/0x5c0 [ 415.103737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.108669] ? kasan_check_read+0x11/0x20 [ 415.112826] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.118111] ? zap_class+0x640/0x640 [ 415.121834] ? zap_class+0x640/0x640 [ 415.125547] ? zap_class+0x640/0x640 [ 415.129262] ? __do_page_cache_readahead+0x7ce/0x980 [ 415.134372] ? find_held_lock+0x36/0x1c0 [ 415.138442] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 415.143994] alloc_pages_current+0x173/0x350 [ 415.148411] __page_cache_alloc+0x38c/0x5c0 [ 415.152737] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.157669] ? kasan_check_read+0x11/0x20 [ 415.161825] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.167109] ? generic_perform_write+0x6a0/0x6a0 [ 415.171870] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.177408] ? check_preemption_disabled+0x48/0x280 [ 415.182439] filemap_fault+0x1594/0x25f0 [ 415.186517] ? __lock_page_or_retry+0xa00/0xa00 [ 415.191205] ? mark_held_locks+0x130/0x130 [ 415.195442] ? rcu_softirq_qs+0x20/0x20 [ 415.199432] ? filemap_map_pages+0xe04/0x1990 [ 415.203941] ? __free_object+0x173/0x340 [ 415.208016] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 415.212957] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.218066] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 415.222753] ? debug_object_free+0x32d/0x690 [ 415.227163] ? kasan_check_read+0x11/0x20 [ 415.231326] ? debug_object_destroy+0x2b0/0x2b0 [ 415.236000] ? lock_pi_update_atomic+0x150/0x150 [ 415.240755] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.246299] ? __hrtimer_init+0xdb/0x240 [ 415.250377] ? lock_acquire+0x1ed/0x520 [ 415.254358] ? ext4_filemap_fault+0x7a/0xad [ 415.258691] ? lock_release+0xa00/0xa00 [ 415.262668] ? perf_trace_sched_process_exec+0x860/0x860 [ 415.268120] ? print_usage_bug+0xc0/0xc0 [ 415.272185] ? print_usage_bug+0xc0/0xc0 [ 415.276276] ? down_read+0x8d/0x120 [ 415.279907] ? ext4_filemap_fault+0x7a/0xad [ 415.284245] ? __down_interruptible+0x700/0x700 [ 415.288960] ext4_filemap_fault+0x82/0xad [ 415.293111] __do_fault+0x100/0x6b0 [ 415.296756] ? pmd_devmap_trans_unstable+0x220/0x220 [ 415.301872] ? mark_held_locks+0x130/0x130 [ 415.306109] ? mark_held_locks+0x130/0x130 [ 415.310347] ? debug_smp_processor_id+0x1c/0x20 [ 415.315018] ? perf_trace_lock+0x14d/0x7a0 [ 415.319267] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.324811] __handle_mm_fault+0x307c/0x5920 [ 415.329235] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 415.334077] ? lock_is_held_type+0x210/0x210 [ 415.338535] ? zap_class+0x640/0x640 [ 415.342251] ? zap_class+0x640/0x640 [ 415.345984] ? __x64_sys_futex+0x53e/0x6a0 [ 415.350235] ? find_held_lock+0x36/0x1c0 [ 415.354307] ? handle_mm_fault+0x42a/0xc70 [ 415.358547] ? lock_downgrade+0x900/0x900 [ 415.362699] ? check_preemption_disabled+0x48/0x280 [ 415.367724] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 415.372656] ? kasan_check_read+0x11/0x20 [ 415.376809] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 415.382088] ? rcu_softirq_qs+0x20/0x20 [ 415.386066] ? trace_hardirqs_off_caller+0x310/0x310 [ 415.391173] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.396715] ? check_preemption_disabled+0x48/0x280 [ 415.401745] handle_mm_fault+0x54f/0xc70 [ 415.405816] ? __handle_mm_fault+0x5920/0x5920 [ 415.410410] ? find_vma+0x34/0x190 [ 415.413967] __do_page_fault+0x5e8/0xe60 [ 415.418027] ? trace_hardirqs_off+0xb8/0x310 [ 415.422438] ? trace_hardirqs_off+0xb8/0x310 [ 415.426862] do_page_fault+0xf2/0x7e0 [ 415.430664] ? vmalloc_sync_all+0x30/0x30 [ 415.434815] ? error_entry+0x70/0xd0 [ 415.438533] ? trace_hardirqs_off_caller+0xbb/0x310 [ 415.443549] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.448483] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.453434] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.458281] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.463298] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.468757] ? prepare_exit_to_usermode+0x291/0x3b0 [ 415.473778] ? page_fault+0x8/0x30 [ 415.477325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.482174] ? page_fault+0x8/0x30 [ 415.485730] page_fault+0x1e/0x30 [ 415.489196] RIP: 0033:0x45ddf3 [ 415.492412] Code: Bad RIP value. [ 415.495773] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 415.501136] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 415.508410] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 415.515679] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 415.522946] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 415.530225] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 415.537527] warn_alloc_show_mem: 1 callbacks suppressed [ 415.537539] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 415.537542] Mem-Info: [ 415.537573] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 415.537573] active_file:13 inactive_file:17 isolated_file:0 [ 415.537573] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.537573] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 415.537573] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 415.537573] free:13759 free_pcp:161 free_cma:0 [ 415.542914] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.542922] Call Trace: [ 415.549950] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.552352] [ 415.585312] Node 0 [ 415.594677] dump_stack+0x244/0x39d [ 415.597281] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 415.624956] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.627096] lowmem_reserve[]: [ 415.629345] warn_alloc.cold.117+0xb7/0x1bd [ 415.632940] 0 [ 415.658440] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.663609] 2819 [ 415.666712] ? lock_downgrade+0x900/0x900 [ 415.671011] 6323 [ 415.672817] ? trace_hardirqs_off+0xb8/0x310 [ 415.677636] 6323 [ 415.679700] ? trace_hardirqs_off+0xb8/0x310 [ 415.685894] __alloc_pages_slowpath+0x2660/0x2d70 [ 415.690280] Node 0 [ 415.692366] ? warn_alloc+0x120/0x120 [ 415.696753] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 415.701569] ? warn_alloc+0x120/0x120 [ 415.703780] lowmem_reserve[]: 0 [ 415.707593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.734784] 0 3503 [ 415.738611] ? print_usage_bug+0xc0/0xc0 [ 415.741863] 3503 [ 415.747418] ? warn_alloc+0x120/0x120 [ 415.753698] ? print_usage_bug+0xc0/0xc0 [ 415.755741] Node 0 [ 415.759536] ? mark_held_locks+0x130/0x130 [ 415.763605] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 415.765815] ? __lock_is_held+0xb5/0x140 [ 415.770027] lowmem_reserve[]: [ 415.798340] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.802385] 0 [ 415.805493] ? should_fail+0x22d/0xd01 [ 415.811008] 0 [ 415.812808] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.816670] 0 0 [ 415.818485] ? __lock_acquire+0x62f/0x4c20 [ 415.825541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.829752] Node 0 [ 415.834862] ? should_fail+0x22d/0xd01 [ 415.834865] DMA: 1*4kB [ 415.837116] ? mark_held_locks+0x130/0x130 [ 415.840978] (U) [ 415.843559] ? mark_held_locks+0x130/0x130 [ 415.847775] 0*8kB [ 415.849749] ? print_usage_bug+0xc0/0xc0 [ 415.853969] 0*16kB [ 415.856117] ? find_held_lock+0x36/0x1c0 [ 415.860150] 1*32kB (U) [ 415.862404] ? zap_class+0x640/0x640 [ 415.866461] 2*64kB [ 415.869054] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.872740] (U) [ 415.874986] ? check_preemption_disabled+0x48/0x280 [ 415.880503] 1*128kB [ 415.882485] ? __lock_is_held+0xb5/0x140 [ 415.887476] (U) [ 415.889799] __alloc_pages_nodemask+0xa80/0xde0 [ 415.893836] 1*256kB [ 415.895805] ? zap_class+0x640/0x640 [ 415.900460] (U) [ 415.902783] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 415.906479] 0*512kB [ 415.908469] ? find_held_lock+0x36/0x1c0 [ 415.913452] 1*1024kB [ 415.915787] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.919820] (U) [ 415.922232] ? lock_downgrade+0x900/0x900 [ 415.926875] 1*2048kB (M) [ 415.928860] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.932984] 3*4096kB [ 415.935743] cache_grow_begin+0xa5/0x8c0 [ 415.941257] (M) [ 415.943670] ? do_raw_spin_unlock+0xa7/0x330 [ 415.947709] = 15908kB [ 415.949684] fallback_alloc+0x204/0x2e0 [ 415.954066] Node 0 [ 415.956491] ____cache_alloc_node+0x1c7/0x1e0 [ 415.960443] DMA32: [ 415.962683] kmem_cache_alloc_node+0xe3/0x730 [ 415.967153] 5*4kB [ 415.969390] ? mark_held_locks+0xc7/0x130 [ 415.973866] (UM) [ 415.976025] __alloc_skb+0x119/0x770 [ 415.980147] 1*8kB [ 415.982211] ? netdev_alloc_frag+0x1f0/0x1f0 [ 415.985903] (M) [ 415.988052] ? do_raw_spin_trylock+0x270/0x270 [ 415.992437] 3*16kB (M) [ 415.994424] ? kmem_cache_alloc_trace+0x353/0x750 [ 415.998978] 3*32kB (UM) [ 416.001577] ? queue_work_on+0x12c/0x1e0 [ 416.006393] 2*64kB [ 416.009065] ? switchdev_port_obj_del+0xdc/0x440 [ 416.013097] (M) [ 416.015334] ? switchdev_trans_item_enqueue+0x260/0x260 [ 416.020062] 2*128kB (M) [ 416.022049] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.027396] 4*256kB [ 416.030070] __br_mdb_notify+0x4ff/0x15d0 [ 416.035060] (M) [ 416.037389] ? __br_mdb_add+0x7f0/0x7f0 [ 416.041505] 4*512kB (UM) [ 416.043501] ? zap_class+0x640/0x640 [ 416.047451] 3*1024kB [ 416.050219] ? br_multicast_group_expired+0x96/0x610 [ 416.053904] (UM) [ 416.056311] ? lock_downgrade+0x900/0x900 [ 416.061395] 3*2048kB [ 416.063463] br_mdb_notify+0x310/0x410 [ 416.067572] (M) 3*4096kB [ 416.069991] ? br_mdb_dump+0x27b0/0x27b0 [ 416.073858] (M) [ 416.076617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.080652] = 25132kB [ 416.080661] Node 0 [ 416.082641] br_multicast_group_expired+0x1bc/0x610 [ 416.088150] Normal: [ 416.090559] ? br_mdb_free+0x80/0x80 [ 416.092777] 951*4kB [ 416.097800] call_timer_fn+0x272/0x920 [ 416.100093] (UMEH) [ 416.103801] ? br_mdb_free+0x80/0x80 [ 416.106107] 234*8kB [ 416.110000] ? process_timeout+0x40/0x40 [ 416.112220] (UME) [ 416.115938] ? __run_timers+0x7da/0xc70 [ 416.118239] 222*16kB [ 416.122300] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.124425] (UMEH) [ 416.128399] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.130790] 132*32kB [ 416.135279] ? br_mdb_free+0x80/0x80 [ 416.137493] (UM) [ 416.141984] ? lockdep_hardirqs_on+0x296/0x5b0 [ 416.144373] 1*64kB [ 416.148094] ? trace_hardirqs_on+0xbd/0x310 [ 416.150134] (H) [ 416.154716] ? kasan_check_read+0x11/0x20 [ 416.156943] 0*128kB [ 416.161276] ? __run_timers+0x7da/0xc70 [ 416.163236] 0*256kB [ 416.167383] ? trace_hardirqs_off_caller+0x310/0x310 [ 416.169688] 1*512kB [ 416.173661] ? br_mdb_free+0x80/0x80 [ 416.175979] (H) [ 416.181079] ? br_mdb_free+0x80/0x80 [ 416.183378] 0*1024kB [ 416.187100] __run_timers+0x7e5/0xc70 [ 416.189056] 0*2048kB [ 416.192774] ? timer_fixup_init+0x70/0x70 [ 416.195159] 0*4096kB [ 416.198958] ? kasan_check_read+0x11/0x20 [ 416.201348] = 14028kB [ 416.201361] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.205529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.207936] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.212073] ? rcu_softirq_qs+0x20/0x20 [ 416.214460] 4244 total pagecache pages [ 416.214479] 0 pages in swap cache [ 416.223317] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.228577] Swap cache stats: add 0, delete 0, find 0/0 [ 416.237147] ? check_preemption_disabled+0x48/0x280 [ 416.241098] Free swap = 0kB [ 416.244987] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.248414] Total swap = 0kB [ 416.253947] ? retint_kernel+0x2d/0x2d [ 416.259293] 1965979 pages RAM [ 416.264308] ? trace_hardirqs_on_caller+0xc0/0x310 [ 416.267301] 0 pages HighMem/MovableOnly [ 416.267310] 342293 pages reserved [ 416.272063] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 416.275058] 0 pages cma reserved [ 416.278940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.282104] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 416.286957] ? zap_class+0x640/0x640 [ 416.286978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.286996] ? check_preemption_disabled+0x48/0x280 [ 416.291025] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.294410] ? __lock_is_held+0xb5/0x140 [ 416.299144] syz-fuzzer cpuset= [ 416.302507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.307944] / [ 416.314435] ? check_preemption_disabled+0x48/0x280 [ 416.318151] mems_allowed=0 [ 416.323693] run_timer_softirq+0x52/0xb0 [ 416.365313] ? rcu_read_lock_sched_held+0x14f/0x180 [ 416.370365] __do_softirq+0x308/0xb7e [ 416.374172] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 416.378672] ? lock_downgrade+0x900/0x900 [ 416.382841] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 416.387957] ? pvclock_read_flags+0x160/0x160 [ 416.392463] ? lapic_next_event+0x5a/0x90 [ 416.396616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.402161] ? kvm_clock_read+0x18/0x30 [ 416.406136] ? kvm_sched_clock_read+0x9/0x20 [ 416.410551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.416105] ? check_preemption_disabled+0x48/0x280 [ 416.421136] irq_exit+0x17f/0x1c0 [ 416.424594] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.429439] ? smp_reschedule_interrupt+0x109/0x650 [ 416.434482] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.440373] ? interrupt_entry+0xb5/0xc0 [ 416.444441] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.449471] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.454492] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.459343] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.464361] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.469382] ? task_prio+0x50/0x50 [ 416.472928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.478476] ? check_preemption_disabled+0x48/0x280 [ 416.483506] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.488368] apic_timer_interrupt+0xf/0x20 [ 416.492597] [ 416.494837] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 416.499769] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 416.518669] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.526382] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 416.533649] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 416.540917] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 416.548183] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 416.555455] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 416.562832] skb_clone+0x1bb/0x500 [ 416.566388] ? finish_task_switch+0x2f4/0x910 [ 416.570886] ? skb_split+0x11e0/0x11e0 [ 416.574777] ? preempt_notifier_register+0x200/0x200 [ 416.579881] ? __switch_to_asm+0x34/0x70 [ 416.583941] ? __switch_to_asm+0x34/0x70 [ 416.588003] ? __switch_to_asm+0x40/0x70 [ 416.592062] ? __switch_to_asm+0x34/0x70 [ 416.596124] ? __switch_to_asm+0x40/0x70 [ 416.600183] ? __switch_to_asm+0x34/0x70 [ 416.604251] ? __switch_to_asm+0x40/0x70 [ 416.608309] ? __switch_to_asm+0x34/0x70 [ 416.612371] ? __switch_to_asm+0x34/0x70 [ 416.617003] ? __switch_to_asm+0x40/0x70 [ 416.621067] ? __switch_to_asm+0x34/0x70 [ 416.625144] bpf_clone_redirect+0xb9/0x490 [ 416.629413] ? __schedule+0x8d7/0x21d0 [ 416.633326] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 416.638350] ? __sched_text_start+0x8/0x8 [ 416.642524] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 416.647114] ? find_held_lock+0x36/0x1c0 [ 416.651194] ? lock_acquire+0x1ed/0x520 [ 416.655175] ? bpf_test_run+0x3cb/0x780 [ 416.659177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.664725] ? check_preemption_disabled+0x48/0x280 [ 416.669756] ? kasan_check_read+0x11/0x20 [ 416.673912] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 416.679211] ? rcu_softirq_qs+0x20/0x20 [ 416.683205] ? preempt_schedule+0x4d/0x60 [ 416.687357] ? ___preempt_schedule+0x16/0x18 [ 416.691784] ? bpf_test_run+0x25d/0x780 [ 416.695770] ? netlink_diag_dump+0x2a0/0x2a0 [ 416.700181] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 416.704969] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 416.709748] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.714591] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 416.720143] ? fput+0x130/0x1a0 [ 416.723442] ? __bpf_prog_get+0x9b/0x290 [ 416.727529] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 416.732376] ? bpf_prog_test_run+0x130/0x1a0 [ 416.736793] ? __x64_sys_bpf+0x3d8/0x520 [ 416.740855] ? bpf_prog_get+0x20/0x20 [ 416.744683] ? do_syscall_64+0x1b9/0x820 [ 416.748745] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 416.754116] ? syscall_return_slowpath+0x5e0/0x5e0 [ 416.759042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.763890] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.768920] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 416.773938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.779487] ? prepare_exit_to_usermode+0x291/0x3b0 [ 416.784511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.789367] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 416.794753] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 416.794933] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.801439] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 416.811914] syz-executor3 cpuset= [ 416.821254] Call Trace: [ 416.821264] syz3 [ 416.824706] [ 416.827284] mems_allowed=0 [ 416.829252] dump_stack+0x244/0x39d [ 416.837931] ? dump_stack_print_info.cold.1+0x20/0x20 [ 416.843144] warn_alloc.cold.117+0xb7/0x1bd [ 416.847480] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 416.852329] ? lock_downgrade+0x900/0x900 [ 416.856489] ? trace_hardirqs_off+0xb8/0x310 [ 416.860905] ? trace_hardirqs_off+0xb8/0x310 [ 416.865323] __alloc_pages_slowpath+0x2660/0x2d70 [ 416.870201] ? warn_alloc+0x120/0x120 [ 416.874010] ? warn_alloc+0x120/0x120 [ 416.877816] ? print_usage_bug+0xc0/0xc0 [ 416.881883] ? warn_alloc+0x120/0x120 [ 416.885690] ? print_usage_bug+0xc0/0xc0 [ 416.889756] ? __lock_acquire+0x62f/0x4c20 [ 416.893990] ? __lock_acquire+0x62f/0x4c20 [ 416.898235] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.903783] ? should_fail+0x22d/0xd01 [ 416.907682] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.912790] ? __lock_acquire+0x62f/0x4c20 [ 416.917037] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.922139] ? __lock_acquire+0x62f/0x4c20 [ 416.926377] ? should_fail+0x22d/0xd01 [ 416.930267] ? find_held_lock+0x36/0x1c0 [ 416.934343] ? mark_held_locks+0x130/0x130 [ 416.938589] ? mark_held_locks+0x130/0x130 [ 416.942823] ? zap_class+0x640/0x640 [ 416.946540] ? zap_class+0x640/0x640 [ 416.950261] ? print_usage_bug+0xc0/0xc0 [ 416.954325] ? do_raw_spin_unlock+0xa7/0x330 [ 416.958735] ? zap_class+0x640/0x640 [ 416.962452] ? print_usage_bug+0xc0/0xc0 [ 416.966544] ? wq_watchdog_touch+0x9c/0xfe [ 416.970789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.976334] ? check_preemption_disabled+0x48/0x280 [ 416.981367] ? __lock_is_held+0xb5/0x140 [ 416.985440] __alloc_pages_nodemask+0xa80/0xde0 [ 416.990150] ? zap_class+0x640/0x640 [ 416.993873] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 416.998909] ? find_held_lock+0x36/0x1c0 [ 417.002989] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.007664] ? lock_downgrade+0x900/0x900 [ 417.011833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.017376] cache_grow_begin+0xa5/0x8c0 [ 417.021444] ? do_raw_spin_unlock+0xa7/0x330 [ 417.025866] fallback_alloc+0x204/0x2e0 [ 417.029855] ____cache_alloc_node+0x1c7/0x1e0 [ 417.034361] kmem_cache_alloc_node+0xe3/0x730 [ 417.038860] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.043111] __alloc_skb+0x119/0x770 [ 417.046832] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.052113] ? netdev_alloc_frag+0x1f0/0x1f0 [ 417.056526] ? lock_downgrade+0x900/0x900 [ 417.060684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.066230] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.071690] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.077142] ? addrconf_rs_timer+0x690/0x690 [ 417.081568] ndisc_alloc_skb+0x144/0x340 [ 417.085636] ndisc_send_rs+0x331/0x6e0 [ 417.089534] addrconf_rs_timer+0x314/0x690 [ 417.093777] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.098032] call_timer_fn+0x272/0x920 [ 417.101920] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.106163] ? process_timeout+0x40/0x40 [ 417.111024] ? mark_held_locks+0xc7/0x130 [ 417.115193] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.119696] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.124196] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.128435] ? lockdep_hardirqs_on+0x296/0x5b0 [ 417.133028] ? trace_hardirqs_on+0xbd/0x310 [ 417.137364] ? kasan_check_read+0x11/0x20 [ 417.141517] ? __run_timers+0x7da/0xc70 [ 417.145496] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.150622] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.154892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.159129] __run_timers+0x7e5/0xc70 [ 417.162959] ? timer_fixup_init+0x70/0x70 [ 417.167117] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 417.172138] ? zap_class+0x640/0x640 [ 417.175857] ? print_usage_bug+0xc0/0xc0 [ 417.179926] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 417.185133] ? find_held_lock+0x36/0x1c0 [ 417.189213] ? zap_class+0x640/0x640 [ 417.192936] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.198483] ? check_preemption_disabled+0x48/0x280 [ 417.203514] ? __lock_is_held+0xb5/0x140 [ 417.207578] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.213119] ? check_preemption_disabled+0x48/0x280 [ 417.218151] run_timer_softirq+0x52/0xb0 [ 417.222221] ? rcu_read_lock_sched_held+0x14f/0x180 [ 417.227245] __do_softirq+0x308/0xb7e [ 417.231052] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 417.235547] ? lock_downgrade+0x900/0x900 [ 417.239708] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 417.244829] ? pvclock_read_flags+0x160/0x160 [ 417.249332] ? lapic_next_event+0x5a/0x90 [ 417.253487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.259039] ? kvm_clock_read+0x18/0x30 [ 417.263028] ? kvm_sched_clock_read+0x9/0x20 [ 417.267442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.272987] ? check_preemption_disabled+0x48/0x280 [ 417.278024] irq_exit+0x17f/0x1c0 [ 417.281486] smp_apic_timer_interrupt+0x1cb/0x760 [ 417.286332] ? smp_reschedule_interrupt+0x109/0x650 [ 417.291357] ? smp_call_function_single_interrupt+0x650/0x650 [ 417.297244] ? interrupt_entry+0xb5/0xc0 [ 417.301312] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.306333] ? trace_hardirqs_off_caller+0xbb/0x310 [ 417.311357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.316208] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.321228] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.326436] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.331301] apic_timer_interrupt+0xf/0x20 [ 417.335529] [ 417.337773] RIP: 0010:dump_stack+0x358/0x39d [ 417.342195] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 417.361096] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 417.368810] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 417.376078] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 417.383344] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 417.390610] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 417.397877] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 417.405171] ? dump_stack+0x34f/0x39d [ 417.409004] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.414219] dump_header+0x27b/0xf72 [ 417.417947] ? mark_held_locks+0x130/0x130 [ 417.422200] ? pagefault_out_of_memory+0x197/0x197 [ 417.427140] ? __lock_acquire+0x62f/0x4c20 [ 417.431374] ? zap_class+0x640/0x640 [ 417.435096] ? percpu_ref_get_many+0x240/0x240 [ 417.439685] ? print_usage_bug+0xc0/0xc0 [ 417.443760] ? print_usage_bug+0xc0/0xc0 [ 417.447830] ? zap_class+0x640/0x640 [ 417.451548] ? print_usage_bug+0xc0/0xc0 [ 417.455606] ? print_usage_bug+0xc0/0xc0 [ 417.459676] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.465249] ? find_held_lock+0x36/0x1c0 [ 417.469325] ? mark_held_locks+0xc7/0x130 [ 417.473483] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.478591] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 417.483697] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 417.488281] ? trace_hardirqs_on+0xbd/0x310 [ 417.492607] ? kasan_check_read+0x11/0x20 [ 417.496762] ? ___ratelimit+0x3b4/0x672 [ 417.500739] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.505928] ? trace_hardirqs_on+0x310/0x310 [ 417.510345] ? lock_downgrade+0x900/0x900 [ 417.514500] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.519605] ? ___ratelimit+0x3b9/0x672 [ 417.523589] ? idr_get_free+0xec0/0xec0 [ 417.527566] ? find_held_lock+0x36/0x1c0 [ 417.531644] oom_kill_process.cold.27+0x10/0x903 [ 417.536411] ? zap_class+0x640/0x640 [ 417.540127] ? check_preemption_disabled+0x48/0x280 [ 417.545152] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.550085] ? kasan_check_read+0x11/0x20 [ 417.554262] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.559570] ? oom_evaluate_task+0x540/0x540 [ 417.563994] ? find_held_lock+0x36/0x1c0 [ 417.568072] ? out_of_memory+0x974/0x1430 [ 417.572235] ? lock_downgrade+0x900/0x900 [ 417.576381] ? check_preemption_disabled+0x48/0x280 [ 417.581403] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.586330] ? kasan_check_read+0x11/0x20 [ 417.590480] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.595765] ? rcu_softirq_qs+0x20/0x20 [ 417.599744] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.605286] ? oom_evaluate_task+0x302/0x540 [ 417.609704] out_of_memory+0xa84/0x1430 [ 417.613696] ? oom_killer_disable+0x3a0/0x3a0 [ 417.618204] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 417.623146] ? __mutex_add_waiter+0x2a0/0x2a0 [ 417.627655] __alloc_pages_slowpath+0x22d4/0x2d70 [ 417.632537] ? warn_alloc+0x120/0x120 [ 417.636343] ? rcu_softirq_qs+0x20/0x20 [ 417.640353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.645898] ? should_fail+0x22d/0xd01 [ 417.649797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.654907] ? zap_class+0x640/0x640 [ 417.658654] ? __lock_is_held+0xb5/0x140 [ 417.662727] ? mark_held_locks+0x130/0x130 [ 417.666974] ? lock_release+0xa00/0xa00 [ 417.670970] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.676437] ? __might_sleep+0x95/0x190 [ 417.680434] __alloc_pages_nodemask+0xa80/0xde0 [ 417.685126] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 417.690142] ? __page_cache_alloc+0x191/0x5c0 [ 417.694643] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.699571] ? kasan_check_read+0x11/0x20 [ 417.703719] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.709001] ? zap_class+0x640/0x640 [ 417.712723] ? zap_class+0x640/0x640 [ 417.716439] ? zap_class+0x640/0x640 [ 417.720164] ? __do_page_cache_readahead+0x7ce/0x980 [ 417.725771] ? find_held_lock+0x36/0x1c0 [ 417.729855] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 417.735416] alloc_pages_current+0x173/0x350 [ 417.739848] __page_cache_alloc+0x38c/0x5c0 [ 417.744172] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.749111] ? kasan_check_read+0x11/0x20 [ 417.753275] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.758555] ? generic_perform_write+0x6a0/0x6a0 [ 417.763338] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.768882] ? check_preemption_disabled+0x48/0x280 [ 417.773911] filemap_fault+0x1594/0x25f0 [ 417.778536] ? __lock_page_or_retry+0xa00/0xa00 [ 417.783220] ? mark_held_locks+0x130/0x130 [ 417.787458] ? rcu_softirq_qs+0x20/0x20 [ 417.791452] ? filemap_map_pages+0xe04/0x1990 [ 417.795971] ? __free_object+0x173/0x340 [ 417.800052] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 417.804986] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.810095] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 417.814782] ? debug_object_free+0x32d/0x690 [ 417.819197] ? kasan_check_read+0x11/0x20 [ 417.823353] ? debug_object_destroy+0x2b0/0x2b0 [ 417.828030] ? lock_pi_update_atomic+0x150/0x150 [ 417.832786] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.838329] ? __hrtimer_init+0xdb/0x240 [ 417.842400] ? lock_acquire+0x1ed/0x520 [ 417.846377] ? ext4_filemap_fault+0x7a/0xad [ 417.850707] ? lock_release+0xa00/0xa00 [ 417.854683] ? perf_trace_sched_process_exec+0x860/0x860 [ 417.860144] ? print_usage_bug+0xc0/0xc0 [ 417.864240] ? print_usage_bug+0xc0/0xc0 [ 417.868319] ? down_read+0x8d/0x120 [ 417.871964] ? ext4_filemap_fault+0x7a/0xad [ 417.876286] ? __down_interruptible+0x700/0x700 [ 417.880996] ext4_filemap_fault+0x82/0xad [ 417.885149] __do_fault+0x100/0x6b0 [ 417.888784] ? pmd_devmap_trans_unstable+0x220/0x220 [ 417.893893] ? mark_held_locks+0x130/0x130 [ 417.898129] ? mark_held_locks+0x130/0x130 [ 417.902380] ? debug_smp_processor_id+0x1c/0x20 [ 417.907050] ? perf_trace_lock+0x14d/0x7a0 [ 417.911297] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.916859] __handle_mm_fault+0x307c/0x5920 [ 417.921301] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 417.926154] ? lock_is_held_type+0x210/0x210 [ 417.930600] ? zap_class+0x640/0x640 [ 417.934315] ? zap_class+0x640/0x640 [ 417.938035] ? __x64_sys_futex+0x53e/0x6a0 [ 417.942279] ? find_held_lock+0x36/0x1c0 [ 417.946370] ? handle_mm_fault+0x42a/0xc70 [ 417.950610] ? lock_downgrade+0x900/0x900 [ 417.954765] ? check_preemption_disabled+0x48/0x280 [ 417.959797] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 417.964732] ? kasan_check_read+0x11/0x20 [ 417.968883] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 417.974167] ? rcu_softirq_qs+0x20/0x20 [ 417.978150] ? trace_hardirqs_off_caller+0x310/0x310 [ 417.983255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.988793] ? check_preemption_disabled+0x48/0x280 [ 417.993820] handle_mm_fault+0x54f/0xc70 [ 417.997888] ? __handle_mm_fault+0x5920/0x5920 [ 418.002478] ? find_vma+0x34/0x190 [ 418.006032] __do_page_fault+0x5e8/0xe60 [ 418.010093] ? trace_hardirqs_off+0xb8/0x310 [ 418.014503] ? trace_hardirqs_off+0xb8/0x310 [ 418.018927] do_page_fault+0xf2/0x7e0 [ 418.022748] ? vmalloc_sync_all+0x30/0x30 [ 418.026904] ? error_entry+0x70/0xd0 [ 418.030623] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.035644] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.040576] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.045505] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.050357] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.055378] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.060840] ? prepare_exit_to_usermode+0x291/0x3b0 [ 418.065859] ? page_fault+0x8/0x30 [ 418.069404] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.074255] ? page_fault+0x8/0x30 [ 418.077798] page_fault+0x1e/0x30 [ 418.081253] RIP: 0033:0x45ddf3 [ 418.084478] Code: Bad RIP value. [ 418.087843] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 418.093214] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 418.100479] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 418.107772] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 418.115038] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 418.122303] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 418.129604] warn_alloc_show_mem: 1 callbacks suppressed [ 418.129617] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 418.129619] Mem-Info: [ 418.129650] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 418.129650] active_file:13 inactive_file:17 isolated_file:0 [ 418.129650] unevictable:0 dirty:0 writeback:0 unstable:0 [ 418.129650] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 418.129650] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 418.129650] free:13759 free_pcp:161 free_cma:0 [ 418.135003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.142026] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 418.144431] Call Trace: [ 418.177400] Node 0 [ 418.186758] [ 418.214444] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 418.217014] dump_stack+0x244/0x39d [ 418.219216] lowmem_reserve[]: 0 [ 418.221380] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.246855] 2819 6323 [ 418.250512] warn_alloc.cold.117+0xb7/0x1bd [ 418.253757] 6323 [ 418.258957] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.261439] Node 0 [ 418.265765] ? lock_downgrade+0x900/0x900 [ 418.267833] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 418.272654] ? trace_hardirqs_off+0xb8/0x310 [ 418.274866] lowmem_reserve[]: [ 418.279012] ? trace_hardirqs_off+0xb8/0x310 [ 418.305705] 0 0 [ 418.310139] __alloc_pages_slowpath+0x2660/0x2d70 [ 418.313213] 3503 [ 418.317645] ? warn_alloc+0x120/0x120 [ 418.319568] 3503 [ 418.324418] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.326466] Node 0 [ 418.330260] ? warn_alloc+0x120/0x120 [ 418.332334] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 418.337322] ? print_usage_bug+0xc0/0xc0 [ 418.339540] lowmem_reserve[]: [ 418.343337] ? warn_alloc+0x120/0x120 [ 418.343353] ? print_usage_bug+0xc0/0xc0 [ 418.371615] 0 0 [ 418.375698] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.378773] 0 [ 418.382580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.386610] 0 [ 418.388586] ? should_fail+0x22d/0xd01 [ 418.395553] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.401165] Node 0 [ 418.402977] ? __lock_acquire+0x62f/0x4c20 [ 418.406840] DMA: [ 418.411938] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.414161] 1*4kB [ 418.418391] ? should_fail+0x22d/0xd01 [ 418.420436] (U) [ 418.425548] ? mark_held_locks+0x130/0x130 [ 418.427672] 0*8kB [ 418.431552] ? mark_held_locks+0x130/0x130 [ 418.433513] 0*16kB [ 418.437740] ? print_usage_bug+0xc0/0xc0 [ 418.439868] 1*32kB [ 418.444101] ? find_held_lock+0x36/0x1c0 [ 418.446317] (U) [ 418.450375] ? zap_class+0x640/0x640 [ 418.452601] 2*64kB [ 418.456663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.458617] (U) 1*128kB [ 418.462339] ? check_preemption_disabled+0x48/0x280 [ 418.464558] (U) [ 418.470096] ? __lock_is_held+0xb5/0x140 [ 418.472742] 1*256kB [ 418.477760] __alloc_pages_nodemask+0xa80/0xde0 [ 418.479713] (U) [ 418.483770] ? zap_class+0x640/0x640 [ 418.486075] 0*512kB [ 418.490738] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 418.492694] 1*1024kB [ 418.496412] ? find_held_lock+0x36/0x1c0 [ 418.498713] (U) [ 418.503730] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.506115] 1*2048kB [ 418.510167] ? lock_downgrade+0x900/0x900 [ 418.512121] (M) [ 418.516791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.519202] 3*4096kB [ 418.523345] cache_grow_begin+0xa5/0x8c0 [ 418.525310] (M) [ 418.530847] ? do_raw_spin_unlock+0xa7/0x330 [ 418.533238] = 15908kB [ 418.537302] fallback_alloc+0x204/0x2e0 [ 418.539258] Node 0 [ 418.543671] ____cache_alloc_node+0x1c7/0x1e0 [ 418.546057] DMA32: [ 418.550037] kmem_cache_alloc_node+0xe3/0x730 [ 418.552253] 5*4kB [ 418.556748] ? mark_held_locks+0xc7/0x130 [ 418.558966] (UM) [ 418.563476] __alloc_skb+0x119/0x770 [ 418.565593] 1*8kB [ 418.569740] ? netdev_alloc_frag+0x1f0/0x1f0 [ 418.571779] (M) [ 418.575507] ? do_raw_spin_trylock+0x270/0x270 [ 418.577627] 3*16kB (M) [ 418.582041] ? kmem_cache_alloc_trace+0x353/0x750 [ 418.583994] 3*32kB [ 418.588578] ? queue_work_on+0x12c/0x1e0 [ 418.591151] (UM) [ 418.595998] ? switchdev_port_obj_del+0xdc/0x440 [ 418.598207] 2*64kB (M) [ 418.602279] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.604321] 2*128kB [ 418.609077] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.611640] (M) [ 418.617239] __br_mdb_notify+0x4ff/0x15d0 [ 418.619533] 4*256kB (M) [ 418.624569] ? __br_mdb_add+0x7f0/0x7f0 [ 418.626519] 4*512kB [ 418.630672] ? zap_class+0x640/0x640 [ 418.633315] (UM) [ 418.637296] ? br_multicast_group_expired+0x96/0x610 [ 418.639596] 3*1024kB [ 418.643307] ? lock_downgrade+0x900/0x900 [ 418.645349] (UM) [ 418.650461] br_mdb_notify+0x310/0x410 [ 418.652848] 3*2048kB [ 418.656993] ? br_mdb_dump+0x27b0/0x27b0 [ 418.659037] (M) [ 418.662933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.665324] 3*4096kB [ 418.669387] br_multicast_group_expired+0x1bc/0x610 [ 418.671336] (M) [ 418.676875] ? br_mdb_free+0x80/0x80 [ 418.679262] = 25132kB [ 418.679271] Node 0 [ 418.684295] call_timer_fn+0x272/0x920 [ 418.686240] Normal: [ 418.689985] ? br_mdb_free+0x80/0x80 [ 418.692379] 951*4kB [ 418.694610] ? process_timeout+0x40/0x40 [ 418.698474] (UMEH) [ 418.700804] ? __run_timers+0x7da/0xc70 [ 418.704501] 234*8kB [ 418.706825] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.710859] (UME) [ 418.713096] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.717052] 222*16kB [ 418.719371] ? br_mdb_free+0x80/0x80 [ 418.723844] (UMEH) [ 418.725998] ? lockdep_hardirqs_on+0x296/0x5b0 [ 418.730462] 132*32kB (UM) [ 418.732880] ? trace_hardirqs_on+0xbd/0x310 [ 418.736571] 1*64kB [ 418.738801] ? kasan_check_read+0x11/0x20 [ 418.738818] ? __run_timers+0x7da/0xc70 [ 418.743382] (H) [ 418.746229] ? trace_hardirqs_off_caller+0x310/0x310 [ 418.750531] 0*128kB [ 418.752770] ? br_mdb_free+0x80/0x80 [ 418.756906] 0*256kB [ 418.760878] ? br_mdb_free+0x80/0x80 [ 418.762832] 1*512kB [ 418.767937] __run_timers+0x7e5/0xc70 [ 418.770250] (H) [ 418.773973] ? timer_fixup_init+0x70/0x70 [ 418.776277] 0*1024kB [ 418.779988] ? kasan_check_read+0x11/0x20 [ 418.782293] 0*2048kB [ 418.786097] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 418.788060] 0*4096kB [ 418.792214] ? rcu_softirq_qs+0x20/0x20 [ 418.794606] = 14028kB [ 418.798749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.801144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 418.806411] ? check_preemption_disabled+0x48/0x280 [ 418.808808] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 418.812780] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.815170] 4244 total pagecache pages [ 418.820711] ? retint_kernel+0x2d/0x2d [ 418.829532] 0 pages in swap cache [ 418.834543] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.843098] Swap cache stats: add 0, delete 0, find 0/0 [ 418.847854] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 418.851720] Free swap = 0kB [ 418.855608] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.859044] Total swap = 0kB [ 418.863975] ? zap_class+0x640/0x640 [ 418.869317] 1965979 pages RAM [ 418.874093] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.877081] 0 pages HighMem/MovableOnly [ 418.877090] 342293 pages reserved [ 418.882536] ? check_preemption_disabled+0x48/0x280 [ 418.885532] 0 pages cma reserved [ 418.889247] ? __lock_is_held+0xb5/0x140 [ 418.892402] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 418.897856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.897870] ? check_preemption_disabled+0x48/0x280 [ 418.897895] run_timer_softirq+0x52/0xb0 [ 418.902283] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.905293] ? rcu_read_lock_sched_held+0x14f/0x180 [ 418.905316] __do_softirq+0x308/0xb7e [ 418.910488] syz-fuzzer cpuset= [ 418.913877] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 418.913896] ? lock_downgrade+0x900/0x900 [ 418.918135] / [ 418.924570] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 418.924596] ? pvclock_read_flags+0x160/0x160 [ 418.924619] ? lapic_next_event+0x5a/0x90 [ 418.924635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.924656] ? kvm_clock_read+0x18/0x30 [ 418.930319] mems_allowed=0 [ 418.935335] ? kvm_sched_clock_read+0x9/0x20 [ 419.002420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.008004] ? check_preemption_disabled+0x48/0x280 [ 419.013053] irq_exit+0x17f/0x1c0 [ 419.016515] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.021358] ? smp_reschedule_interrupt+0x109/0x650 [ 419.026378] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.032268] ? interrupt_entry+0xb5/0xc0 [ 419.036335] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.041348] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.046372] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.051215] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.056232] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.061248] ? task_prio+0x50/0x50 [ 419.064793] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.070337] ? check_preemption_disabled+0x48/0x280 [ 419.075361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.080220] apic_timer_interrupt+0xf/0x20 [ 419.084461] [ 419.086703] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 419.091633] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 419.110532] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 419.118245] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 419.125532] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 419.132798] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 419.140066] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 419.147336] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 419.154654] skb_clone+0x1bb/0x500 [ 419.158195] ? finish_task_switch+0x2f4/0x910 [ 419.162697] ? skb_split+0x11e0/0x11e0 [ 419.166588] ? preempt_notifier_register+0x200/0x200 [ 419.171692] ? __switch_to_asm+0x34/0x70 [ 419.175752] ? __switch_to_asm+0x34/0x70 [ 419.179812] ? __switch_to_asm+0x40/0x70 [ 419.183871] ? __switch_to_asm+0x34/0x70 [ 419.187936] ? __switch_to_asm+0x40/0x70 [ 419.192001] ? __switch_to_asm+0x34/0x70 [ 419.196076] ? __switch_to_asm+0x40/0x70 [ 419.200137] ? __switch_to_asm+0x34/0x70 [ 419.204199] ? __switch_to_asm+0x34/0x70 [ 419.208261] ? __switch_to_asm+0x40/0x70 [ 419.212323] ? __switch_to_asm+0x34/0x70 [ 419.216394] bpf_clone_redirect+0xb9/0x490 [ 419.220647] ? __schedule+0x8d7/0x21d0 [ 419.224569] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 419.229594] ? __sched_text_start+0x8/0x8 [ 419.233749] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 419.238365] ? find_held_lock+0x36/0x1c0 [ 419.242438] ? lock_acquire+0x1ed/0x520 [ 419.246422] ? bpf_test_run+0x3cb/0x780 [ 419.250403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.255960] ? check_preemption_disabled+0x48/0x280 [ 419.260990] ? kasan_check_read+0x11/0x20 [ 419.265151] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 419.270474] ? rcu_softirq_qs+0x20/0x20 [ 419.274483] ? preempt_schedule+0x4d/0x60 [ 419.278634] ? ___preempt_schedule+0x16/0x18 [ 419.283066] ? bpf_test_run+0x25d/0x780 [ 419.287056] ? netlink_diag_dump+0x2a0/0x2a0 [ 419.291475] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 419.296242] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 419.301016] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.305865] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 419.311426] ? fput+0x130/0x1a0 [ 419.314714] ? __bpf_prog_get+0x9b/0x290 [ 419.318803] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 419.323644] ? bpf_prog_test_run+0x130/0x1a0 [ 419.328058] ? __x64_sys_bpf+0x3d8/0x520 [ 419.332150] ? bpf_prog_get+0x20/0x20 [ 419.336005] ? do_syscall_64+0x1b9/0x820 [ 419.340116] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 419.345491] ? syscall_return_slowpath+0x5e0/0x5e0 [ 419.350422] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.355271] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.360291] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 419.365311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.370849] ? prepare_exit_to_usermode+0x291/0x3b0 [ 419.375874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.380732] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 419.386145] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 419.386338] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 419.392840] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.403313] syz-executor3 cpuset= [ 419.412653] Call Trace: [ 419.412663] syz3 [ 419.416106] [ 419.418680] mems_allowed=0 [ 419.420654] dump_stack+0x244/0x39d [ 419.429327] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.434535] warn_alloc.cold.117+0xb7/0x1bd [ 419.438885] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.443757] ? lock_downgrade+0x900/0x900 [ 419.447922] ? trace_hardirqs_off+0xb8/0x310 [ 419.452344] ? trace_hardirqs_off+0xb8/0x310 [ 419.456850] __alloc_pages_slowpath+0x2660/0x2d70 [ 419.461728] ? warn_alloc+0x120/0x120 [ 419.465535] ? print_bfs_bug+0x80/0x80 [ 419.469425] ? warn_alloc+0x120/0x120 [ 419.473231] ? print_usage_bug+0xc0/0xc0 [ 419.477294] ? print_bfs_bug+0x80/0x80 [ 419.481195] ? mark_held_locks+0x130/0x130 [ 419.485442] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.490990] ? should_fail+0x22d/0xd01 [ 419.494879] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 419.500766] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.505875] ? __lock_acquire+0x62f/0x4c20 [ 419.510121] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.515230] ? should_fail+0x22d/0xd01 [ 419.519130] ? mark_held_locks+0x130/0x130 [ 419.523367] ? mark_held_locks+0x130/0x130 [ 419.527606] ? zap_class+0x640/0x640 [ 419.531326] ? zap_class+0x640/0x640 [ 419.535046] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 419.540933] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.546479] ? check_preemption_disabled+0x48/0x280 [ 419.551509] ? __lock_is_held+0xb5/0x140 [ 419.555596] __alloc_pages_nodemask+0xa80/0xde0 [ 419.560270] ? zap_class+0x640/0x640 [ 419.563991] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 419.569023] ? find_held_lock+0x36/0x1c0 [ 419.573097] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.577768] ? lock_downgrade+0x900/0x900 [ 419.581928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.587478] cache_grow_begin+0xa5/0x8c0 [ 419.591546] ? do_raw_spin_unlock+0xa7/0x330 [ 419.595970] fallback_alloc+0x204/0x2e0 [ 419.599962] ____cache_alloc_node+0x1c7/0x1e0 [ 419.604469] kmem_cache_alloc_node+0xe3/0x730 [ 419.608971] ? mark_held_locks+0xc7/0x130 [ 419.613136] __alloc_skb+0x119/0x770 [ 419.616861] ? netdev_alloc_frag+0x1f0/0x1f0 [ 419.621277] ? do_raw_spin_trylock+0x270/0x270 [ 419.625869] ? kmem_cache_alloc_trace+0x353/0x750 [ 419.630722] ? queue_work_on+0x12c/0x1e0 [ 419.634793] ? switchdev_port_obj_del+0xdc/0x440 [ 419.639550] ? switchdev_trans_item_enqueue+0x260/0x260 [ 419.644921] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.649961] __br_mdb_notify+0x4ff/0x15d0 [ 419.654111] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 419.659235] ? __br_mdb_add+0x7f0/0x7f0 [ 419.663222] ? mark_held_locks+0x130/0x130 [ 419.667480] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.672591] ? debug_object_assert_init+0x368/0x4b0 [ 419.677642] ? debug_object_init_on_stack+0x20/0x20 [ 419.682658] ? zap_class+0x640/0x640 [ 419.686384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.691931] br_mdb_notify+0x310/0x410 [ 419.695829] ? br_mdb_dump+0x27b0/0x27b0 [ 419.699911] br_multicast_del_pg+0x3df/0x790 [ 419.704330] ? br_mdb_ip_get+0x940/0x940 [ 419.708399] ? rwlock_bug.part.2+0x90/0x90 [ 419.712641] ? __lock_is_held+0xb5/0x140 [ 419.716718] br_multicast_port_group_expired+0x189/0x1e0 [ 419.722641] call_timer_fn+0x272/0x920 [ 419.726531] ? br_multicast_del_pg+0x790/0x790 [ 419.731115] ? process_timeout+0x40/0x40 [ 419.735195] ? mark_held_locks+0xc7/0x130 [ 419.739354] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.743848] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.748343] ? br_multicast_del_pg+0x790/0x790 [ 419.752926] ? lockdep_hardirqs_on+0x296/0x5b0 [ 419.757516] ? trace_hardirqs_on+0xbd/0x310 [ 419.761838] ? kasan_check_read+0x11/0x20 [ 419.765988] ? __run_timers+0x7da/0xc70 [ 419.769971] ? trace_hardirqs_off_caller+0x310/0x310 [ 419.775082] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.779414] ? br_multicast_del_pg+0x790/0x790 [ 419.783997] __run_timers+0x7e5/0xc70 [ 419.787815] ? timer_fixup_init+0x70/0x70 [ 419.791970] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 419.796991] ? zap_class+0x640/0x640 [ 419.800715] ? print_usage_bug+0xc0/0xc0 [ 419.804783] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.809988] ? find_held_lock+0x36/0x1c0 [ 419.814055] ? zap_class+0x640/0x640 [ 419.817776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.823313] ? check_preemption_disabled+0x48/0x280 [ 419.828349] ? __lock_is_held+0xb5/0x140 [ 419.832418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.837966] ? check_preemption_disabled+0x48/0x280 [ 419.842993] run_timer_softirq+0x52/0xb0 [ 419.847057] ? rcu_read_lock_sched_held+0x14f/0x180 [ 419.852078] __do_softirq+0x308/0xb7e [ 419.855889] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 419.860385] ? lock_downgrade+0x900/0x900 [ 419.864544] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 419.869666] ? pvclock_read_flags+0x160/0x160 [ 419.874166] ? lapic_next_event+0x5a/0x90 [ 419.878322] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.883869] ? kvm_clock_read+0x18/0x30 [ 419.887844] ? kvm_sched_clock_read+0x9/0x20 [ 419.892257] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.897798] ? check_preemption_disabled+0x48/0x280 [ 419.902842] irq_exit+0x17f/0x1c0 [ 419.906304] smp_apic_timer_interrupt+0x1cb/0x760 [ 419.911148] ? smp_reschedule_interrupt+0x109/0x650 [ 419.916176] ? smp_call_function_single_interrupt+0x650/0x650 [ 419.922083] ? interrupt_entry+0xb5/0xc0 [ 419.926146] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.931199] ? trace_hardirqs_off_caller+0xbb/0x310 [ 419.936225] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.941104] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.946113] ? trace_hardirqs_on_caller+0x310/0x310 [ 419.951168] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 419.956040] apic_timer_interrupt+0xf/0x20 [ 419.960278] [ 419.962522] RIP: 0010:dump_stack+0x358/0x39d [ 419.966932] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 419.985842] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 419.993553] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 420.000818] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 420.008083] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 420.015354] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 420.022621] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 420.029910] ? dump_stack+0x34f/0x39d [ 420.033728] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.038941] dump_header+0x27b/0xf72 [ 420.042710] ? mark_held_locks+0x130/0x130 [ 420.046962] ? pagefault_out_of_memory+0x197/0x197 [ 420.051900] ? __lock_acquire+0x62f/0x4c20 [ 420.056132] ? zap_class+0x640/0x640 [ 420.059852] ? percpu_ref_get_many+0x240/0x240 [ 420.064440] ? print_usage_bug+0xc0/0xc0 [ 420.068504] ? print_usage_bug+0xc0/0xc0 [ 420.072575] ? zap_class+0x640/0x640 [ 420.076291] ? print_usage_bug+0xc0/0xc0 [ 420.080351] ? print_usage_bug+0xc0/0xc0 [ 420.084426] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.089978] ? find_held_lock+0x36/0x1c0 [ 420.094052] ? mark_held_locks+0xc7/0x130 [ 420.098219] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.103334] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 420.108454] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 420.113040] ? trace_hardirqs_on+0xbd/0x310 [ 420.117365] ? kasan_check_read+0x11/0x20 [ 420.121518] ? ___ratelimit+0x3b4/0x672 [ 420.125494] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.130599] ? trace_hardirqs_on+0x310/0x310 [ 420.135006] ? lock_downgrade+0x900/0x900 [ 420.139178] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 420.144296] ? ___ratelimit+0x3b9/0x672 [ 420.148278] ? idr_get_free+0xec0/0xec0 [ 420.152252] ? find_held_lock+0x36/0x1c0 [ 420.156334] oom_kill_process.cold.27+0x10/0x903 [ 420.161131] ? zap_class+0x640/0x640 [ 420.164842] ? check_preemption_disabled+0x48/0x280 [ 420.169865] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.174793] ? kasan_check_read+0x11/0x20 [ 420.178941] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.184239] ? oom_evaluate_task+0x540/0x540 [ 420.188662] ? find_held_lock+0x36/0x1c0 [ 420.192741] ? out_of_memory+0x974/0x1430 [ 420.196891] ? lock_downgrade+0x900/0x900 [ 420.201058] ? check_preemption_disabled+0x48/0x280 [ 420.206083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.211025] ? kasan_check_read+0x11/0x20 [ 420.215196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.220476] ? rcu_softirq_qs+0x20/0x20 [ 420.224460] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.230007] ? oom_evaluate_task+0x302/0x540 [ 420.234422] out_of_memory+0xa84/0x1430 [ 420.238412] ? oom_killer_disable+0x3a0/0x3a0 [ 420.242911] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 420.247842] ? __mutex_add_waiter+0x2a0/0x2a0 [ 420.252356] __alloc_pages_slowpath+0x22d4/0x2d70 [ 420.257240] ? warn_alloc+0x120/0x120 [ 420.261045] ? rcu_softirq_qs+0x20/0x20 [ 420.265140] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.270682] ? should_fail+0x22d/0xd01 [ 420.274577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.279682] ? zap_class+0x640/0x640 [ 420.283428] ? __lock_is_held+0xb5/0x140 [ 420.287504] ? mark_held_locks+0x130/0x130 [ 420.291755] ? lock_release+0xa00/0xa00 [ 420.295739] ? perf_trace_sched_process_exec+0x860/0x860 [ 420.301212] ? __might_sleep+0x95/0x190 [ 420.305203] __alloc_pages_nodemask+0xa80/0xde0 [ 420.309884] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 420.314900] ? __page_cache_alloc+0x191/0x5c0 [ 420.319400] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.324331] ? kasan_check_read+0x11/0x20 [ 420.328492] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.333771] ? zap_class+0x640/0x640 [ 420.337495] ? zap_class+0x640/0x640 [ 420.341219] ? zap_class+0x640/0x640 [ 420.344933] ? __do_page_cache_readahead+0x7ce/0x980 [ 420.350048] ? find_held_lock+0x36/0x1c0 [ 420.354115] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 420.359670] alloc_pages_current+0x173/0x350 [ 420.364105] __page_cache_alloc+0x38c/0x5c0 [ 420.368429] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.373361] ? kasan_check_read+0x11/0x20 [ 420.377529] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.382810] ? generic_perform_write+0x6a0/0x6a0 [ 420.387570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.393111] ? check_preemption_disabled+0x48/0x280 [ 420.398137] filemap_fault+0x1594/0x25f0 [ 420.402224] ? __lock_page_or_retry+0xa00/0xa00 [ 420.406902] ? mark_held_locks+0x130/0x130 [ 420.411141] ? rcu_softirq_qs+0x20/0x20 [ 420.415131] ? filemap_map_pages+0xe04/0x1990 [ 420.419639] ? __free_object+0x173/0x340 [ 420.423705] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 420.428643] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.433754] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 420.438440] ? debug_object_free+0x32d/0x690 [ 420.442850] ? kasan_check_read+0x11/0x20 [ 420.447003] ? debug_object_destroy+0x2b0/0x2b0 [ 420.451677] ? lock_pi_update_atomic+0x150/0x150 [ 420.456433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.461974] ? __hrtimer_init+0xdb/0x240 [ 420.466050] ? lock_acquire+0x1ed/0x520 [ 420.470027] ? ext4_filemap_fault+0x7a/0xad [ 420.474359] ? lock_release+0xa00/0xa00 [ 420.478338] ? perf_trace_sched_process_exec+0x860/0x860 [ 420.483790] ? print_usage_bug+0xc0/0xc0 [ 420.487851] ? print_usage_bug+0xc0/0xc0 [ 420.491928] ? down_read+0x8d/0x120 [ 420.495560] ? ext4_filemap_fault+0x7a/0xad [ 420.499885] ? __down_interruptible+0x700/0x700 [ 420.504569] ext4_filemap_fault+0x82/0xad [ 420.508720] __do_fault+0x100/0x6b0 [ 420.512352] ? pmd_devmap_trans_unstable+0x220/0x220 [ 420.517457] ? mark_held_locks+0x130/0x130 [ 420.521697] ? mark_held_locks+0x130/0x130 [ 420.525965] ? debug_smp_processor_id+0x1c/0x20 [ 420.530636] ? perf_trace_lock+0x14d/0x7a0 [ 420.534877] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.540424] __handle_mm_fault+0x307c/0x5920 [ 420.544845] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 420.549690] ? lock_is_held_type+0x210/0x210 [ 420.554126] ? zap_class+0x640/0x640 [ 420.557845] ? zap_class+0x640/0x640 [ 420.561562] ? __x64_sys_futex+0x53e/0x6a0 [ 420.565803] ? find_held_lock+0x36/0x1c0 [ 420.569875] ? handle_mm_fault+0x42a/0xc70 [ 420.574112] ? lock_downgrade+0x900/0x900 [ 420.578265] ? check_preemption_disabled+0x48/0x280 [ 420.583296] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 420.588228] ? kasan_check_read+0x11/0x20 [ 420.592377] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 420.597655] ? rcu_softirq_qs+0x20/0x20 [ 420.601631] ? trace_hardirqs_off_caller+0x310/0x310 [ 420.606733] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.612275] ? check_preemption_disabled+0x48/0x280 [ 420.617551] handle_mm_fault+0x54f/0xc70 [ 420.621623] ? __handle_mm_fault+0x5920/0x5920 [ 420.626212] ? find_vma+0x34/0x190 [ 420.629764] __do_page_fault+0x5e8/0xe60 [ 420.633831] ? trace_hardirqs_off+0xb8/0x310 [ 420.638237] ? trace_hardirqs_off+0xb8/0x310 [ 420.642685] do_page_fault+0xf2/0x7e0 [ 420.646490] ? vmalloc_sync_all+0x30/0x30 [ 420.650641] ? error_entry+0x70/0xd0 [ 420.654359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.659375] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.664306] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.669238] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.674082] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.679096] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.684556] ? prepare_exit_to_usermode+0x291/0x3b0 [ 420.689578] ? page_fault+0x8/0x30 [ 420.693152] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.698002] ? page_fault+0x8/0x30 [ 420.701557] page_fault+0x1e/0x30 [ 420.705010] RIP: 0033:0x45ddf3 [ 420.708213] Code: Bad RIP value. [ 420.711585] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 420.716949] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 420.724247] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 420.731511] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 420.738780] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 420.746047] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 420.753366] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 420.753393] warn_alloc_show_mem: 1 callbacks suppressed [ 420.753398] Mem-Info: [ 420.760407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.765777] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 420.765777] active_file:13 inactive_file:17 isolated_file:0 [ 420.765777] unevictable:0 dirty:0 writeback:0 unstable:0 [ 420.765777] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 420.765777] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 420.765777] free:13759 free_pcp:161 free_cma:0 [ 420.768151] Call Trace: [ 420.777543] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 420.810516] [ 420.813097] Node 0 [ 420.840775] dump_stack+0x244/0x39d [ 420.842920] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 420.845132] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.848733] lowmem_reserve[]: [ 420.874246] warn_alloc.cold.117+0xb7/0x1bd [ 420.879402] 0 2819 [ 420.882516] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.886817] 6323 [ 420.889052] ? lock_downgrade+0x900/0x900 [ 420.893868] 6323 [ 420.895936] ? trace_hardirqs_off+0xb8/0x310 [ 420.902150] ? trace_hardirqs_off+0xb8/0x310 [ 420.906535] Node 0 DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 420.910977] __alloc_pages_slowpath+0x2660/0x2d70 [ 420.911022] ? warn_alloc+0x120/0x120 [ 420.938299] lowmem_reserve[]: 0 [ 420.943162] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.946936] 0 3503 [ 420.950234] ? warn_alloc+0x120/0x120 [ 420.955250] 3503 [ 420.957486] ? print_usage_bug+0xc0/0xc0 [ 420.961271] Node 0 [ 420.963334] ? warn_alloc+0x120/0x120 [ 420.967398] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 420.969609] ? print_usage_bug+0xc0/0xc0 [ 420.973390] lowmem_reserve[]: [ 421.001665] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.001691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.005731] 0 [ 421.008840] ? should_fail+0x22d/0xd01 [ 421.014004] 0 [ 421.019539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.021411] 0 [ 421.025297] ? __lock_acquire+0x62f/0x4c20 [ 421.027081] 0 [ 421.032211] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 421.038238] ? should_fail+0x22d/0xd01 [ 421.040019] Node 0 [ 421.045152] ? mark_held_locks+0x130/0x130 [ 421.049016] DMA: [ 421.051252] ? mark_held_locks+0x130/0x130 [ 421.055496] 1*4kB [ 421.057529] ? print_usage_bug+0xc0/0xc0 [ 421.061744] (U) [ 421.063894] ? find_held_lock+0x36/0x1c0 [ 421.067946] 0*8kB [ 421.069927] ? zap_class+0x640/0x640 [ 421.074146] 0*16kB [ 421.076299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.079991] 1*32kB [ 421.082229] ? check_preemption_disabled+0x48/0x280 [ 421.087744] (U) [ 421.089986] ? __lock_is_held+0xb5/0x140 [ 421.094976] 2*64kB [ 421.096955] __alloc_pages_nodemask+0xa80/0xde0 [ 421.100997] (U) [ 421.103228] ? zap_class+0x640/0x640 [ 421.107874] 1*128kB (U) [ 421.109880] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 421.113577] 1*256kB [ 421.116252] ? find_held_lock+0x36/0x1c0 [ 421.121230] (U) 0*512kB [ 421.123570] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.127608] 1*1024kB [ 421.130276] ? lock_downgrade+0x900/0x900 [ 421.134929] (U) [ 421.137344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.141459] 1*2048kB (M) [ 421.143444] cache_grow_begin+0xa5/0x8c0 [ 421.148957] 3*4096kB (M) [ 421.151726] ? do_raw_spin_unlock+0xa7/0x330 [ 421.155762] = 15908kB [ 421.158520] fallback_alloc+0x204/0x2e0 [ 421.162924] Node 0 [ 421.165335] ____cache_alloc_node+0x1c7/0x1e0 [ 421.169282] DMA32: [ 421.171522] kmem_cache_alloc_node+0xe3/0x730 [ 421.175994] 5*4kB [ 421.178228] ? mark_held_locks+0xc7/0x130 [ 421.182703] (UM) [ 421.184862] __alloc_skb+0x119/0x770 [ 421.188982] 1*8kB [ 421.191046] ? netdev_alloc_frag+0x1f0/0x1f0 [ 421.194733] (M) [ 421.196881] ? do_raw_spin_trylock+0x270/0x270 [ 421.201268] 3*16kB [ 421.203242] ? kmem_cache_alloc_trace+0x353/0x750 [ 421.207801] (M) [ 421.210040] ? queue_work_on+0x12c/0x1e0 [ 421.214858] 3*32kB [ 421.216836] ? switchdev_port_obj_del+0xdc/0x440 [ 421.220877] (UM) [ 421.223119] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.227858] 2*64kB [ 421.229923] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.235267] (M) [ 421.237514] __br_mdb_notify+0x4ff/0x15d0 [ 421.242504] 2*128kB [ 421.244487] ? __br_mdb_add+0x7f0/0x7f0 [ 421.248604] (M) [ 421.250935] ? zap_class+0x640/0x640 [ 421.254880] 4*256kB [ 421.256857] ? br_multicast_group_expired+0x96/0x610 [ 421.260542] (M) 4*512kB [ 421.262878] ? lock_downgrade+0x900/0x900 [ 421.267970] (UM) [ 421.270644] br_mdb_notify+0x310/0x410 [ 421.274760] 3*1024kB (UM) [ 421.276832] ? br_mdb_dump+0x27b0/0x27b0 [ 421.280690] 3*2048kB (M) [ 421.283545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.287581] 3*4096kB [ 421.290347] br_multicast_group_expired+0x1bc/0x610 [ 421.295854] (M) [ 421.298267] ? br_mdb_free+0x80/0x80 [ 421.303262] = 25132kB [ 421.305253] call_timer_fn+0x272/0x920 [ 421.308933] Node 0 [ 421.311340] ? br_mdb_free+0x80/0x80 [ 421.315209] Normal: 951*4kB [ 421.317460] ? process_timeout+0x40/0x40 [ 421.321142] (UMEH) [ 421.324164] ? __run_timers+0x7da/0xc70 [ 421.328220] 234*8kB [ 421.330467] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.334415] (UME) [ 421.336739] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.341220] 222*16kB [ 421.343368] ? br_mdb_free+0x80/0x80 [ 421.347843] (UMEH) [ 421.350253] ? lockdep_hardirqs_on+0x296/0x5b0 [ 421.353943] 132*32kB [ 421.356176] ? trace_hardirqs_on+0xbd/0x310 [ 421.360745] (UM) [ 421.363155] ? kasan_check_read+0x11/0x20 [ 421.367463] 1*64kB [ 421.369529] ? __run_timers+0x7da/0xc70 [ 421.373651] (H) [ 421.375888] ? trace_hardirqs_off_caller+0x310/0x310 [ 421.379844] 0*128kB [ 421.381820] ? br_mdb_free+0x80/0x80 [ 421.386899] 0*256kB [ 421.389219] ? br_mdb_free+0x80/0x80 [ 421.392906] 1*512kB (H) [ 421.395239] __run_timers+0x7e5/0xc70 [ 421.398927] 0*1024kB [ 421.401604] ? timer_fixup_init+0x70/0x70 [ 421.405372] 0*2048kB [ 421.407779] ? kasan_check_read+0x11/0x20 [ 421.411908] 0*4096kB [ 421.414318] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.418444] = 14028kB [ 421.420854] ? rcu_softirq_qs+0x20/0x20 [ 421.426114] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 421.428521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.432480] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 421.441309] ? check_preemption_disabled+0x48/0x280 [ 421.446828] 4244 total pagecache pages [ 421.455406] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.460404] 0 pages in swap cache [ 421.464287] ? retint_kernel+0x2d/0x2d [ 421.469022] Swap cache stats: add 0, delete 0, find 0/0 [ 421.472469] ? trace_hardirqs_on_caller+0xc0/0x310 [ 421.476358] Free swap = 0kB [ 421.481722] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 421.486631] Total swap = 0kB [ 421.489651] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.494386] 1965979 pages RAM [ 421.497405] ? zap_class+0x640/0x640 [ 421.502836] 0 pages HighMem/MovableOnly [ 421.505943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.509641] 342293 pages reserved [ 421.513611] ? check_preemption_disabled+0x48/0x280 [ 421.519124] 0 pages cma reserved [ 421.522579] ? __lock_is_held+0xb5/0x140 [ 421.528477] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 421.530932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.534983] syz-fuzzer cpuset= [ 421.545203] ? check_preemption_disabled+0x48/0x280 [ 421.545229] run_timer_softirq+0x52/0xb0 [ 421.550746] / [ 421.553941] ? rcu_read_lock_sched_held+0x14f/0x180 [ 421.558947] mems_allowed=0 [ 421.563008] __do_softirq+0x308/0xb7e [ 421.576419] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 421.580924] ? lock_downgrade+0x900/0x900 [ 421.585084] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 421.590206] ? pvclock_read_flags+0x160/0x160 [ 421.594712] ? lapic_next_event+0x5a/0x90 [ 421.598867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.604414] ? kvm_clock_read+0x18/0x30 [ 421.608393] ? kvm_sched_clock_read+0x9/0x20 [ 421.612803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.618344] ? check_preemption_disabled+0x48/0x280 [ 421.623400] irq_exit+0x17f/0x1c0 [ 421.626864] smp_apic_timer_interrupt+0x1cb/0x760 [ 421.631709] ? smp_reschedule_interrupt+0x109/0x650 [ 421.636729] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.642620] ? interrupt_entry+0xb5/0xc0 [ 421.646687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.651701] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.656721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.661567] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.666584] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.671602] ? task_prio+0x50/0x50 [ 421.675146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.680687] ? check_preemption_disabled+0x48/0x280 [ 421.685713] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.690574] apic_timer_interrupt+0xf/0x20 [ 421.694806] [ 421.697045] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 421.701977] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 421.720882] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 421.728918] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 421.736196] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 421.743467] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 421.750736] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 421.758004] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 421.765325] skb_clone+0x1bb/0x500 [ 421.768869] ? finish_task_switch+0x2f4/0x910 [ 421.773366] ? skb_split+0x11e0/0x11e0 [ 421.777264] ? preempt_notifier_register+0x200/0x200 [ 421.782374] ? __switch_to_asm+0x34/0x70 [ 421.786440] ? __switch_to_asm+0x34/0x70 [ 421.790507] ? __switch_to_asm+0x40/0x70 [ 421.794570] ? __switch_to_asm+0x34/0x70 [ 421.798630] ? __switch_to_asm+0x40/0x70 [ 421.802692] ? __switch_to_asm+0x34/0x70 [ 421.806752] ? __switch_to_asm+0x40/0x70 [ 421.810811] ? __switch_to_asm+0x34/0x70 [ 421.814875] ? __switch_to_asm+0x34/0x70 [ 421.818938] ? __switch_to_asm+0x40/0x70 [ 421.822996] ? __switch_to_asm+0x34/0x70 [ 421.827067] bpf_clone_redirect+0xb9/0x490 [ 421.831309] ? __schedule+0x8d7/0x21d0 [ 421.835205] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 421.840228] ? __sched_text_start+0x8/0x8 [ 421.844388] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 421.848977] ? find_held_lock+0x36/0x1c0 [ 421.853046] ? lock_acquire+0x1ed/0x520 [ 421.857022] ? bpf_test_run+0x3cb/0x780 [ 421.860996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.866538] ? check_preemption_disabled+0x48/0x280 [ 421.871565] ? kasan_check_read+0x11/0x20 [ 421.875726] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 421.881008] ? rcu_softirq_qs+0x20/0x20 [ 421.884990] ? preempt_schedule+0x4d/0x60 [ 421.889145] ? ___preempt_schedule+0x16/0x18 [ 421.893563] ? bpf_test_run+0x25d/0x780 [ 421.897556] ? netlink_diag_dump+0x2a0/0x2a0 [ 421.901968] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 421.906732] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 421.911499] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 421.916343] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 421.921879] ? fput+0x130/0x1a0 [ 421.925165] ? __bpf_prog_get+0x9b/0x290 [ 421.929240] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 421.934080] ? bpf_prog_test_run+0x130/0x1a0 [ 421.938502] ? __x64_sys_bpf+0x3d8/0x520 [ 421.942565] ? bpf_prog_get+0x20/0x20 [ 421.946428] ? do_syscall_64+0x1b9/0x820 [ 421.950514] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 421.955884] ? syscall_return_slowpath+0x5e0/0x5e0 [ 421.960817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.965661] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.970682] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 421.975698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.981241] ? prepare_exit_to_usermode+0x291/0x3b0 [ 421.986268] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.991123] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 421.996514] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 421.996700] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.003206] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.003215] Call Trace: [ 422.013692] syz-executor3 cpuset= [ 422.023051] [ 422.025624] syz3 [ 422.029077] dump_stack+0x244/0x39d [ 422.031211] mems_allowed=0 [ 422.033179] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.044907] warn_alloc.cold.117+0xb7/0x1bd [ 422.049234] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.054086] ? lock_downgrade+0x900/0x900 [ 422.058244] ? trace_hardirqs_off+0xb8/0x310 [ 422.062659] ? trace_hardirqs_off+0xb8/0x310 [ 422.067102] __alloc_pages_slowpath+0x2660/0x2d70 [ 422.071973] ? print_bfs_bug+0x80/0x80 [ 422.075872] ? warn_alloc+0x120/0x120 [ 422.079680] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.084702] ? warn_alloc+0x120/0x120 [ 422.088511] ? print_usage_bug+0xc0/0xc0 [ 422.092571] ? warn_alloc+0x120/0x120 [ 422.096378] ? print_usage_bug+0xc0/0xc0 [ 422.100442] ? check_usage+0x1aa/0x790 [ 422.104355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.109897] ? should_fail+0x22d/0xd01 [ 422.113806] ? check_usage_forwards+0x3d0/0x3d0 [ 422.118493] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.123599] ? __lock_acquire+0x62f/0x4c20 [ 422.127844] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.132958] ? should_fail+0x22d/0xd01 [ 422.136864] ? mark_held_locks+0x130/0x130 [ 422.141103] ? mark_held_locks+0x130/0x130 [ 422.145336] ? print_usage_bug+0xc0/0xc0 [ 422.149400] ? find_held_lock+0x36/0x1c0 [ 422.153486] ? zap_class+0x640/0x640 [ 422.157216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.162756] ? check_preemption_disabled+0x48/0x280 [ 422.167784] ? __lock_is_held+0xb5/0x140 [ 422.171850] __alloc_pages_nodemask+0xa80/0xde0 [ 422.176523] ? zap_class+0x640/0x640 [ 422.180252] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 422.185284] ? find_held_lock+0x36/0x1c0 [ 422.189368] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.194059] ? lock_downgrade+0x900/0x900 [ 422.198233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.203784] cache_grow_begin+0xa5/0x8c0 [ 422.207851] ? do_raw_spin_unlock+0xa7/0x330 [ 422.212270] fallback_alloc+0x204/0x2e0 [ 422.216255] ____cache_alloc_node+0x1c7/0x1e0 [ 422.220762] kmem_cache_alloc_node+0xe3/0x730 [ 422.225262] ? mark_held_locks+0xc7/0x130 [ 422.229426] __alloc_skb+0x119/0x770 [ 422.233153] ? netdev_alloc_frag+0x1f0/0x1f0 [ 422.237570] ? do_raw_spin_trylock+0x270/0x270 [ 422.242153] ? kmem_cache_alloc_trace+0x353/0x750 [ 422.247014] ? queue_work_on+0x12c/0x1e0 [ 422.251090] ? switchdev_port_obj_del+0xdc/0x440 [ 422.255852] ? switchdev_trans_item_enqueue+0x260/0x260 [ 422.261234] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 422.266280] __br_mdb_notify+0x4ff/0x15d0 [ 422.270429] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.275551] ? __br_mdb_add+0x7f0/0x7f0 [ 422.279532] ? mark_held_locks+0x130/0x130 [ 422.283796] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.288904] ? debug_object_assert_init+0x368/0x4b0 [ 422.293942] ? debug_object_init_on_stack+0x20/0x20 [ 422.298981] ? zap_class+0x640/0x640 [ 422.302700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.308252] br_mdb_notify+0x310/0x410 [ 422.312149] ? br_mdb_dump+0x27b0/0x27b0 [ 422.316236] br_multicast_del_pg+0x3df/0x790 [ 422.320658] ? br_mdb_ip_get+0x940/0x940 [ 422.324732] ? rwlock_bug.part.2+0x90/0x90 [ 422.328978] ? __lock_is_held+0xb5/0x140 [ 422.333055] br_multicast_port_group_expired+0x189/0x1e0 [ 422.338518] call_timer_fn+0x272/0x920 [ 422.342412] ? br_multicast_del_pg+0x790/0x790 [ 422.347006] ? process_timeout+0x40/0x40 [ 422.351094] ? mark_held_locks+0xc7/0x130 [ 422.355255] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.359761] ? _raw_spin_unlock_irq+0x27/0x80 [ 422.364260] ? br_multicast_del_pg+0x790/0x790 [ 422.368848] ? lockdep_hardirqs_on+0x296/0x5b0 [ 422.373435] ? trace_hardirqs_on+0xbd/0x310 [ 422.377771] ? kasan_check_read+0x11/0x20 [ 422.381926] ? __run_timers+0x7da/0xc70 [ 422.385916] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.391066] ? br_multicast_del_pg+0x790/0x790 [ 422.395660] ? br_multicast_del_pg+0x790/0x790 [ 422.400243] __run_timers+0x7e5/0xc70 [ 422.404061] ? timer_fixup_init+0x70/0x70 [ 422.408224] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 422.413244] ? zap_class+0x640/0x640 [ 422.416973] ? print_usage_bug+0xc0/0xc0 [ 422.421060] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 422.426261] ? find_held_lock+0x36/0x1c0 [ 422.430337] ? zap_class+0x640/0x640 [ 422.434058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.439599] ? check_preemption_disabled+0x48/0x280 [ 422.444638] ? __lock_is_held+0xb5/0x140 [ 422.448715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.454282] ? check_preemption_disabled+0x48/0x280 [ 422.459332] run_timer_softirq+0x52/0xb0 [ 422.463409] ? rcu_read_lock_sched_held+0x14f/0x180 [ 422.468444] __do_softirq+0x308/0xb7e [ 422.472257] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 422.476760] ? lock_downgrade+0x900/0x900 [ 422.480923] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 422.486050] ? pvclock_read_flags+0x160/0x160 [ 422.490552] ? lapic_next_event+0x5a/0x90 [ 422.494708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.500257] ? kvm_clock_read+0x18/0x30 [ 422.504240] ? kvm_sched_clock_read+0x9/0x20 [ 422.508660] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.514216] ? check_preemption_disabled+0x48/0x280 [ 422.519261] irq_exit+0x17f/0x1c0 [ 422.522727] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.527572] ? smp_reschedule_interrupt+0x109/0x650 [ 422.532607] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.538503] ? interrupt_entry+0xb5/0xc0 [ 422.542574] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.547598] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.552629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.557488] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.562519] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.567568] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.572475] apic_timer_interrupt+0xf/0x20 [ 422.576718] [ 422.578980] RIP: 0010:dump_stack+0x358/0x39d [ 422.583401] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 422.602304] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 422.610018] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 422.617560] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 422.624833] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 422.632117] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 422.639397] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 422.646701] ? dump_stack+0x34f/0x39d [ 422.650524] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.655734] dump_header+0x27b/0xf72 [ 422.659464] ? mark_held_locks+0x130/0x130 [ 422.663705] ? pagefault_out_of_memory+0x197/0x197 [ 422.668647] ? __lock_acquire+0x62f/0x4c20 [ 422.672880] ? zap_class+0x640/0x640 [ 422.676600] ? percpu_ref_get_many+0x240/0x240 [ 422.681185] ? print_usage_bug+0xc0/0xc0 [ 422.685247] ? print_usage_bug+0xc0/0xc0 [ 422.689318] ? zap_class+0x640/0x640 [ 422.693040] ? print_usage_bug+0xc0/0xc0 [ 422.697102] ? print_usage_bug+0xc0/0xc0 [ 422.701172] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.706716] ? find_held_lock+0x36/0x1c0 [ 422.710793] ? mark_held_locks+0xc7/0x130 [ 422.714956] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.720064] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.725172] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 422.729766] ? trace_hardirqs_on+0xbd/0x310 [ 422.734091] ? kasan_check_read+0x11/0x20 [ 422.738250] ? ___ratelimit+0x3b4/0x672 [ 422.742233] ? trace_hardirqs_off_caller+0x310/0x310 [ 422.747342] ? trace_hardirqs_on+0x310/0x310 [ 422.751760] ? lock_downgrade+0x900/0x900 [ 422.755922] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 422.761036] ? ___ratelimit+0x3b9/0x672 [ 422.765017] ? idr_get_free+0xec0/0xec0 [ 422.768990] ? find_held_lock+0x36/0x1c0 [ 422.773073] oom_kill_process.cold.27+0x10/0x903 [ 422.777838] ? zap_class+0x640/0x640 [ 422.781559] ? check_preemption_disabled+0x48/0x280 [ 422.786599] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.791530] ? kasan_check_read+0x11/0x20 [ 422.795683] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.800978] ? oom_evaluate_task+0x540/0x540 [ 422.805508] ? find_held_lock+0x36/0x1c0 [ 422.809582] ? out_of_memory+0x974/0x1430 [ 422.813735] ? lock_downgrade+0x900/0x900 [ 422.817884] ? check_preemption_disabled+0x48/0x280 [ 422.822908] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.827838] ? kasan_check_read+0x11/0x20 [ 422.831994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.837287] ? rcu_softirq_qs+0x20/0x20 [ 422.841268] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.846815] ? oom_evaluate_task+0x302/0x540 [ 422.851233] out_of_memory+0xa84/0x1430 [ 422.855231] ? oom_killer_disable+0x3a0/0x3a0 [ 422.859731] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 422.864668] ? __mutex_add_waiter+0x2a0/0x2a0 [ 422.869193] __alloc_pages_slowpath+0x22d4/0x2d70 [ 422.874076] ? warn_alloc+0x120/0x120 [ 422.877881] ? rcu_softirq_qs+0x20/0x20 [ 422.881891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.887435] ? should_fail+0x22d/0xd01 [ 422.891337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.896446] ? zap_class+0x640/0x640 [ 422.900201] ? __lock_is_held+0xb5/0x140 [ 422.904282] ? mark_held_locks+0x130/0x130 [ 422.908526] ? lock_release+0xa00/0xa00 [ 422.912511] ? perf_trace_sched_process_exec+0x860/0x860 [ 422.917988] ? __might_sleep+0x95/0x190 [ 422.921979] __alloc_pages_nodemask+0xa80/0xde0 [ 422.926659] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 422.931680] ? __page_cache_alloc+0x191/0x5c0 [ 422.936177] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.941118] ? kasan_check_read+0x11/0x20 [ 422.945272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.950558] ? zap_class+0x640/0x640 [ 422.954286] ? zap_class+0x640/0x640 [ 422.958001] ? zap_class+0x640/0x640 [ 422.961721] ? __do_page_cache_readahead+0x7ce/0x980 [ 422.966830] ? find_held_lock+0x36/0x1c0 [ 422.970898] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 422.976446] alloc_pages_current+0x173/0x350 [ 422.980872] __page_cache_alloc+0x38c/0x5c0 [ 422.985204] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 422.990137] ? kasan_check_read+0x11/0x20 [ 422.994285] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 422.999569] ? generic_perform_write+0x6a0/0x6a0 [ 423.004327] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.009865] ? check_preemption_disabled+0x48/0x280 [ 423.014894] filemap_fault+0x1594/0x25f0 [ 423.018977] ? __lock_page_or_retry+0xa00/0xa00 [ 423.023650] ? mark_held_locks+0x130/0x130 [ 423.027898] ? rcu_softirq_qs+0x20/0x20 [ 423.031890] ? filemap_map_pages+0xe04/0x1990 [ 423.036399] ? __free_object+0x173/0x340 [ 423.040464] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 423.045399] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.050514] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 423.055211] ? debug_object_free+0x32d/0x690 [ 423.059626] ? kasan_check_read+0x11/0x20 [ 423.063779] ? debug_object_destroy+0x2b0/0x2b0 [ 423.068454] ? lock_pi_update_atomic+0x150/0x150 [ 423.073220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.078761] ? __hrtimer_init+0xdb/0x240 [ 423.082841] ? lock_acquire+0x1ed/0x520 [ 423.086824] ? ext4_filemap_fault+0x7a/0xad [ 423.091154] ? lock_release+0xa00/0xa00 [ 423.095135] ? perf_trace_sched_process_exec+0x860/0x860 [ 423.100586] ? print_usage_bug+0xc0/0xc0 [ 423.104655] ? print_usage_bug+0xc0/0xc0 [ 423.108738] ? down_read+0x8d/0x120 [ 423.112371] ? ext4_filemap_fault+0x7a/0xad [ 423.116697] ? __down_interruptible+0x700/0x700 [ 423.121388] ext4_filemap_fault+0x82/0xad [ 423.125544] __do_fault+0x100/0x6b0 [ 423.129175] ? pmd_devmap_trans_unstable+0x220/0x220 [ 423.134292] ? mark_held_locks+0x130/0x130 [ 423.138528] ? mark_held_locks+0x130/0x130 [ 423.142777] ? debug_smp_processor_id+0x1c/0x20 [ 423.147444] ? perf_trace_lock+0x14d/0x7a0 [ 423.151689] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.157240] __handle_mm_fault+0x307c/0x5920 [ 423.161668] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 423.166512] ? lock_is_held_type+0x210/0x210 [ 423.170947] ? zap_class+0x640/0x640 [ 423.174698] ? zap_class+0x640/0x640 [ 423.178416] ? __x64_sys_futex+0x53e/0x6a0 [ 423.182657] ? find_held_lock+0x36/0x1c0 [ 423.186729] ? handle_mm_fault+0x42a/0xc70 [ 423.190971] ? lock_downgrade+0x900/0x900 [ 423.195118] ? check_preemption_disabled+0x48/0x280 [ 423.200143] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 423.205071] ? kasan_check_read+0x11/0x20 [ 423.209241] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 423.214531] ? rcu_softirq_qs+0x20/0x20 [ 423.218510] ? trace_hardirqs_off_caller+0x310/0x310 [ 423.223616] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.229153] ? check_preemption_disabled+0x48/0x280 [ 423.234181] handle_mm_fault+0x54f/0xc70 [ 423.238256] ? __handle_mm_fault+0x5920/0x5920 [ 423.242845] ? find_vma+0x34/0x190 [ 423.246393] __do_page_fault+0x5e8/0xe60 [ 423.250453] ? trace_hardirqs_off+0xb8/0x310 [ 423.254874] ? trace_hardirqs_off+0xb8/0x310 [ 423.259318] do_page_fault+0xf2/0x7e0 [ 423.263147] ? vmalloc_sync_all+0x30/0x30 [ 423.267302] ? error_entry+0x70/0xd0 [ 423.271016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 423.276064] ? trace_hardirqs_on_caller+0xc0/0x310 [ 423.280998] ? syscall_return_slowpath+0x5e0/0x5e0 [ 423.285943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.290806] ? trace_hardirqs_on_caller+0x310/0x310 [ 423.295825] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.301283] ? prepare_exit_to_usermode+0x291/0x3b0 [ 423.306307] ? page_fault+0x8/0x30 [ 423.309855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 423.314706] ? page_fault+0x8/0x30 [ 423.318252] page_fault+0x1e/0x30 [ 423.321709] RIP: 0033:0x45ddf3 [ 423.324915] Code: Bad RIP value. [ 423.328319] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 423.333685] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 423.340956] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 423.348223] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 423.355506] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 423.362777] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 423.370079] warn_alloc_show_mem: 1 callbacks suppressed [ 423.370092] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 423.370094] Mem-Info: [ 423.370125] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 423.370125] active_file:13 inactive_file:17 isolated_file:0 [ 423.370125] unevictable:0 dirty:0 writeback:0 unstable:0 [ 423.370125] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 423.370125] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 423.370125] free:13759 free_pcp:161 free_cma:0 [ 423.375481] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.382505] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 423.384908] Call Trace: [ 423.417871] Node 0 [ 423.427229] [ 423.454914] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 423.457483] dump_stack+0x244/0x39d [ 423.459696] lowmem_reserve[]: [ 423.461846] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.487320] 0 2819 [ 423.490967] warn_alloc.cold.117+0xb7/0x1bd [ 423.494049] 6323 [ 423.499235] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.501461] 6323 [ 423.505781] ? lock_downgrade+0x900/0x900 [ 423.512662] ? trace_hardirqs_off+0xb8/0x310 [ 423.514703] Node 0 [ 423.518851] ? trace_hardirqs_off+0xb8/0x310 [ 423.523260] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 423.525482] __alloc_pages_slowpath+0x2660/0x2d70 [ 423.529868] lowmem_reserve[]: [ 423.556661] ? warn_alloc+0x120/0x120 [ 423.561454] 0 0 [ 423.564574] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 423.568353] 3503 3503 [ 423.570339] ? warn_alloc+0x120/0x120 [ 423.577825] ? print_usage_bug+0xc0/0xc0 [ 423.581602] Node 0 [ 423.585655] ? warn_alloc+0x120/0x120 [ 423.585687] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 423.585694] lowmem_reserve[]: [ 423.587926] ? print_usage_bug+0xc0/0xc0 [ 423.591710] 0 [ 423.619995] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 423.623081] 0 [ 423.627147] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.628925] 0 [ 423.634112] ? should_fail+0x22d/0xd01 [ 423.635894] 0 [ 423.641430] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.647110] ? __lock_acquire+0x62f/0x4c20 [ 423.648897] Node 0 [ 423.654011] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.658225] DMA: [ 423.660464] ? should_fail+0x22d/0xd01 [ 423.665552] 1*4kB [ 423.667620] ? mark_held_locks+0x130/0x130 [ 423.671482] (U) [ 423.673631] ? mark_held_locks+0x130/0x130 [ 423.677848] 0*8kB [ 423.679821] ? print_usage_bug+0xc0/0xc0 [ 423.684040] 0*16kB [ 423.686184] ? find_held_lock+0x36/0x1c0 [ 423.690236] 1*32kB [ 423.692472] ? zap_class+0x640/0x640 [ 423.696521] (U) [ 423.698760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.702452] 2*64kB [ 423.704430] ? check_preemption_disabled+0x48/0x280 [ 423.709942] (U) [ 423.712202] ? __lock_is_held+0xb5/0x140 [ 423.717182] 1*128kB [ 423.719173] __alloc_pages_nodemask+0xa80/0xde0 [ 423.723657] (U) 1*256kB [ 423.726007] ? zap_class+0x640/0x640 [ 423.730654] (U) [ 423.733323] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 423.737017] 0*512kB [ 423.739001] ? find_held_lock+0x36/0x1c0 [ 423.743990] 1*1024kB [ 423.746349] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.750385] (U) [ 423.752795] ? lock_downgrade+0x900/0x900 [ 423.757444] 1*2048kB [ 423.759465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.763593] (M) [ 423.766015] cache_grow_begin+0xa5/0x8c0 [ 423.771525] 3*4096kB (M) [ 423.773517] ? do_raw_spin_unlock+0xa7/0x330 [ 423.777555] = 15908kB [ 423.780315] fallback_alloc+0x204/0x2e0 [ 423.784696] Node 0 [ 423.787108] ____cache_alloc_node+0x1c7/0x1e0 [ 423.791062] DMA32: [ 423.793311] kmem_cache_alloc_node+0xe3/0x730 [ 423.797785] 5*4kB [ 423.800017] ? mark_held_locks+0xc7/0x130 [ 423.804491] (UM) [ 423.806648] __alloc_skb+0x119/0x770 [ 423.810767] 1*8kB [ 423.812826] ? netdev_alloc_frag+0x1f0/0x1f0 [ 423.816515] (M) [ 423.818664] ? do_raw_spin_trylock+0x270/0x270 [ 423.823059] 3*16kB [ 423.825030] ? kmem_cache_alloc_trace+0x353/0x750 [ 423.829593] (M) [ 423.831836] ? queue_work_on+0x12c/0x1e0 [ 423.836653] 3*32kB [ 423.838634] ? switchdev_port_obj_del+0xdc/0x440 [ 423.842665] (UM) [ 423.844902] ? switchdev_trans_item_enqueue+0x260/0x260 [ 423.849638] 2*64kB [ 423.851700] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.857043] (M) [ 423.859288] __br_mdb_notify+0x4ff/0x15d0 [ 423.864280] 2*128kB [ 423.866265] ? __br_mdb_add+0x7f0/0x7f0 [ 423.870384] (M) [ 423.872714] ? zap_class+0x640/0x640 [ 423.876660] 4*256kB [ 423.878641] ? br_multicast_group_expired+0x96/0x610 [ 423.882330] (M) [ 423.884653] ? lock_downgrade+0x900/0x900 [ 423.889735] 4*512kB (UM) [ 423.891724] br_mdb_notify+0x310/0x410 [ 423.895842] 3*1024kB (UM) [ 423.898606] ? br_mdb_dump+0x27b0/0x27b0 [ 423.902472] 3*2048kB [ 423.905318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.909359] (M) [ 423.911776] br_multicast_group_expired+0x1bc/0x610 [ 423.917283] 3*4096kB (M) [ 423.919265] ? br_mdb_free+0x80/0x80 [ 423.924269] = 25132kB [ 423.927034] call_timer_fn+0x272/0x920 [ 423.930714] Node 0 [ 423.933118] ? br_mdb_free+0x80/0x80 [ 423.936988] Normal: [ 423.939222] ? process_timeout+0x40/0x40 [ 423.942935] 951*4kB [ 423.945264] ? __run_timers+0x7da/0xc70 [ 423.949291] (UMEH) 234*8kB [ 423.951630] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.955579] (UME) [ 423.958513] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.962987] 222*16kB [ 423.965134] ? br_mdb_free+0x80/0x80 [ 423.969610] (UMEH) [ 423.972019] ? lockdep_hardirqs_on+0x296/0x5b0 [ 423.975717] 132*32kB [ 423.977948] ? trace_hardirqs_on+0xbd/0x310 [ 423.982516] (UM) [ 423.984927] ? kasan_check_read+0x11/0x20 [ 423.989220] 1*64kB (H) [ 423.991308] ? __run_timers+0x7da/0xc70 [ 423.995429] 0*128kB 0*256kB [ 423.998026] ? trace_hardirqs_off_caller+0x310/0x310 [ 424.001982] 1*512kB [ 424.005002] ? br_mdb_free+0x80/0x80 [ 424.010081] (H) [ 424.012404] ? br_mdb_free+0x80/0x80 [ 424.016095] 0*1024kB [ 424.018066] __run_timers+0x7e5/0xc70 [ 424.021761] 0*2048kB [ 424.024180] ? timer_fixup_init+0x70/0x70 [ 424.027959] 0*4096kB [ 424.030369] ? kasan_check_read+0x11/0x20 [ 424.034497] = 14028kB [ 424.036908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.041036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.043440] ? rcu_softirq_qs+0x20/0x20 [ 424.048700] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.057530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.061487] 4244 total pagecache pages [ 424.070063] ? check_preemption_disabled+0x48/0x280 [ 424.075591] 0 pages in swap cache [ 424.079475] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.084462] Swap cache stats: add 0, delete 0, find 0/0 [ 424.084471] Free swap = 0kB [ 424.087927] ? retint_kernel+0x2d/0x2d [ 424.092663] Total swap = 0kB [ 424.098025] ? trace_hardirqs_on_caller+0xc0/0x310 [ 424.101026] 1965979 pages RAM [ 424.104915] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 424.107904] 0 pages HighMem/MovableOnly [ 424.107914] 342293 pages reserved [ 424.112849] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.115938] 0 pages cma reserved [ 424.120706] ? zap_class+0x640/0x640 [ 424.124840] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.128111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.133540] syz-fuzzer cpuset= [ 424.136905] ? check_preemption_disabled+0x48/0x280 [ 424.140601] / [ 424.150829] ? __lock_is_held+0xb5/0x140 [ 424.156346] mems_allowed=0 [ 424.159533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.178725] ? check_preemption_disabled+0x48/0x280 [ 424.183757] run_timer_softirq+0x52/0xb0 [ 424.187821] ? rcu_read_lock_sched_held+0x14f/0x180 [ 424.192846] __do_softirq+0x308/0xb7e [ 424.196655] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 424.201159] ? lock_downgrade+0x900/0x900 [ 424.205323] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 424.210447] ? pvclock_read_flags+0x160/0x160 [ 424.214965] ? lapic_next_event+0x5a/0x90 [ 424.219122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.224676] ? kvm_clock_read+0x18/0x30 [ 424.228654] ? kvm_sched_clock_read+0x9/0x20 [ 424.233072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.238617] ? check_preemption_disabled+0x48/0x280 [ 424.243653] irq_exit+0x17f/0x1c0 [ 424.247117] smp_apic_timer_interrupt+0x1cb/0x760 [ 424.251966] ? smp_reschedule_interrupt+0x109/0x650 [ 424.256991] ? smp_call_function_single_interrupt+0x650/0x650 [ 424.262897] ? interrupt_entry+0xb5/0xc0 [ 424.266967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.271989] ? trace_hardirqs_off_caller+0xbb/0x310 [ 424.277014] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.281861] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.286877] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.291892] ? task_prio+0x50/0x50 [ 424.295436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.301009] ? check_preemption_disabled+0x48/0x280 [ 424.306064] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.310922] apic_timer_interrupt+0xf/0x20 [ 424.315154] [ 424.317393] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 424.322330] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 424.341238] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 424.348950] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 424.356218] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 424.363487] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 424.370756] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 424.378027] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 424.385357] skb_clone+0x1bb/0x500 [ 424.388910] ? finish_task_switch+0x2f4/0x910 [ 424.393425] ? skb_split+0x11e0/0x11e0 [ 424.397346] ? preempt_notifier_register+0x200/0x200 [ 424.402467] ? __switch_to_asm+0x34/0x70 [ 424.406541] ? __switch_to_asm+0x34/0x70 [ 424.410602] ? __switch_to_asm+0x40/0x70 [ 424.414665] ? __switch_to_asm+0x34/0x70 [ 424.418727] ? __switch_to_asm+0x40/0x70 [ 424.422785] ? __switch_to_asm+0x34/0x70 [ 424.426845] ? __switch_to_asm+0x40/0x70 [ 424.430903] ? __switch_to_asm+0x34/0x70 [ 424.434966] ? __switch_to_asm+0x34/0x70 [ 424.439030] ? __switch_to_asm+0x40/0x70 [ 424.443087] ? __switch_to_asm+0x34/0x70 [ 424.447166] bpf_clone_redirect+0xb9/0x490 [ 424.451407] ? __schedule+0x8d7/0x21d0 [ 424.455307] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 424.460332] ? __sched_text_start+0x8/0x8 [ 424.464496] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 424.469084] ? find_held_lock+0x36/0x1c0 [ 424.473165] ? lock_acquire+0x1ed/0x520 [ 424.477171] ? bpf_test_run+0x3cb/0x780 [ 424.481151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.486697] ? check_preemption_disabled+0x48/0x280 [ 424.491723] ? kasan_check_read+0x11/0x20 [ 424.495892] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 424.501175] ? rcu_softirq_qs+0x20/0x20 [ 424.505158] ? preempt_schedule+0x4d/0x60 [ 424.509315] ? ___preempt_schedule+0x16/0x18 [ 424.513764] ? bpf_test_run+0x25d/0x780 [ 424.517758] ? netlink_diag_dump+0x2a0/0x2a0 [ 424.522172] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 424.526935] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 424.531707] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.536553] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 424.542101] ? fput+0x130/0x1a0 [ 424.545389] ? __bpf_prog_get+0x9b/0x290 [ 424.549461] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 424.554309] ? bpf_prog_test_run+0x130/0x1a0 [ 424.558733] ? __x64_sys_bpf+0x3d8/0x520 [ 424.562799] ? bpf_prog_get+0x20/0x20 [ 424.566632] ? do_syscall_64+0x1b9/0x820 [ 424.570715] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 424.576089] ? syscall_return_slowpath+0x5e0/0x5e0 [ 424.581020] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.585867] ? trace_hardirqs_on_caller+0x310/0x310 [ 424.590890] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 424.595909] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.601458] ? prepare_exit_to_usermode+0x291/0x3b0 [ 424.606490] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 424.611347] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 424.617245] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 424.617461] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.623926] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.634404] syz-executor3 cpuset= [ 424.643750] Call Trace: [ 424.643761] [ 424.647209] syz3 [ 424.649813] dump_stack+0x244/0x39d [ 424.651937] mems_allowed=0 [ 424.653918] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.665654] warn_alloc.cold.117+0xb7/0x1bd [ 424.669988] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.674839] ? lock_downgrade+0x900/0x900 [ 424.679002] ? trace_hardirqs_off+0xb8/0x310 [ 424.683421] ? trace_hardirqs_off+0xb8/0x310 [ 424.687844] __alloc_pages_slowpath+0x2660/0x2d70 [ 424.692725] ? warn_alloc+0x120/0x120 [ 424.696538] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.701564] ? warn_alloc+0x120/0x120 [ 424.705375] ? print_usage_bug+0xc0/0xc0 [ 424.709437] ? warn_alloc+0x120/0x120 [ 424.713242] ? print_usage_bug+0xc0/0xc0 [ 424.717309] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.722513] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.728061] ? should_fail+0x22d/0xd01 [ 424.731965] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.737099] ? __lock_acquire+0x62f/0x4c20 [ 424.741341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.746449] ? should_fail+0x22d/0xd01 [ 424.750352] ? mark_held_locks+0x130/0x130 [ 424.754591] ? mark_held_locks+0x130/0x130 [ 424.758825] ? print_usage_bug+0xc0/0xc0 [ 424.762895] ? find_held_lock+0x36/0x1c0 [ 424.766964] ? zap_class+0x640/0x640 [ 424.770690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.776232] ? check_preemption_disabled+0x48/0x280 [ 424.781260] ? __lock_is_held+0xb5/0x140 [ 424.785334] __alloc_pages_nodemask+0xa80/0xde0 [ 424.790008] ? zap_class+0x640/0x640 [ 424.793730] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 424.798760] ? find_held_lock+0x36/0x1c0 [ 424.802837] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.807513] ? lock_downgrade+0x900/0x900 [ 424.811673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.817220] cache_grow_begin+0xa5/0x8c0 [ 424.821285] ? do_raw_spin_unlock+0xa7/0x330 [ 424.825709] fallback_alloc+0x204/0x2e0 [ 424.829691] ____cache_alloc_node+0x1c7/0x1e0 [ 424.834197] kmem_cache_alloc_node+0xe3/0x730 [ 424.838695] ? mark_held_locks+0xc7/0x130 [ 424.842856] __alloc_skb+0x119/0x770 [ 424.846580] ? netdev_alloc_frag+0x1f0/0x1f0 [ 424.850998] ? do_raw_spin_trylock+0x270/0x270 [ 424.855586] ? kmem_cache_alloc_trace+0x353/0x750 [ 424.860442] ? queue_work_on+0x12c/0x1e0 [ 424.864521] ? switchdev_port_obj_del+0xdc/0x440 [ 424.869282] ? switchdev_trans_item_enqueue+0x260/0x260 [ 424.874654] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 424.879681] __br_mdb_notify+0x4ff/0x15d0 [ 424.883841] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 424.888964] ? __br_mdb_add+0x7f0/0x7f0 [ 424.892944] ? mark_held_locks+0x130/0x130 [ 424.897196] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.902312] ? debug_object_assert_init+0x368/0x4b0 [ 424.907336] ? debug_object_init_on_stack+0x20/0x20 [ 424.912350] ? zap_class+0x640/0x640 [ 424.916075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.921630] br_mdb_notify+0x310/0x410 [ 424.925525] ? br_mdb_dump+0x27b0/0x27b0 [ 424.929607] br_multicast_del_pg+0x3df/0x790 [ 424.934026] ? br_mdb_ip_get+0x940/0x940 [ 424.938092] ? rwlock_bug.part.2+0x90/0x90 [ 424.942335] ? __lock_is_held+0xb5/0x140 [ 424.946412] br_multicast_port_group_expired+0x189/0x1e0 [ 424.951882] call_timer_fn+0x272/0x920 [ 424.955775] ? br_multicast_del_pg+0x790/0x790 [ 424.960363] ? process_timeout+0x40/0x40 [ 424.964440] ? mark_held_locks+0xc7/0x130 [ 424.968598] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.973097] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.977597] ? br_multicast_del_pg+0x790/0x790 [ 424.982180] ? lockdep_hardirqs_on+0x296/0x5b0 [ 424.986773] ? trace_hardirqs_on+0xbd/0x310 [ 424.991099] ? kasan_check_read+0x11/0x20 [ 424.995252] ? __run_timers+0x7da/0xc70 [ 424.999237] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.004350] ? br_multicast_del_pg+0x790/0x790 [ 425.008942] ? br_multicast_del_pg+0x790/0x790 [ 425.013545] __run_timers+0x7e5/0xc70 [ 425.017363] ? timer_fixup_init+0x70/0x70 [ 425.021519] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 425.026537] ? zap_class+0x640/0x640 [ 425.030257] ? print_usage_bug+0xc0/0xc0 [ 425.034330] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 425.039530] ? find_held_lock+0x36/0x1c0 [ 425.043597] ? zap_class+0x640/0x640 [ 425.047319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.052860] ? check_preemption_disabled+0x48/0x280 [ 425.057891] ? __lock_is_held+0xb5/0x140 [ 425.061960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.067501] ? check_preemption_disabled+0x48/0x280 [ 425.072532] run_timer_softirq+0x52/0xb0 [ 425.076598] ? rcu_read_lock_sched_held+0x14f/0x180 [ 425.081624] __do_softirq+0x308/0xb7e [ 425.085429] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 425.089929] ? lock_downgrade+0x900/0x900 [ 425.094091] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 425.099210] ? pvclock_read_flags+0x160/0x160 [ 425.103713] ? lapic_next_event+0x5a/0x90 [ 425.107871] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.113437] ? kvm_clock_read+0x18/0x30 [ 425.117414] ? kvm_sched_clock_read+0x9/0x20 [ 425.121825] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.127365] ? check_preemption_disabled+0x48/0x280 [ 425.132398] irq_exit+0x17f/0x1c0 [ 425.135861] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.140704] ? smp_reschedule_interrupt+0x109/0x650 [ 425.145726] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.151614] ? interrupt_entry+0xb5/0xc0 [ 425.155687] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.160701] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.165727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.170570] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.175587] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.180623] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.185482] apic_timer_interrupt+0xf/0x20 [ 425.189714] [ 425.191959] RIP: 0010:dump_stack+0x358/0x39d [ 425.196375] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 425.215293] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 425.223005] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 425.230272] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 425.237540] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 425.244810] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 425.252080] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 425.259372] ? dump_stack+0x34f/0x39d [ 425.263191] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.268402] dump_header+0x27b/0xf72 [ 425.272140] ? mark_held_locks+0x130/0x130 [ 425.276394] ? pagefault_out_of_memory+0x197/0x197 [ 425.281329] ? __lock_acquire+0x62f/0x4c20 [ 425.285563] ? zap_class+0x640/0x640 [ 425.289289] ? percpu_ref_get_many+0x240/0x240 [ 425.293873] ? print_usage_bug+0xc0/0xc0 [ 425.297963] ? print_usage_bug+0xc0/0xc0 [ 425.302046] ? zap_class+0x640/0x640 [ 425.305765] ? print_usage_bug+0xc0/0xc0 [ 425.309832] ? print_usage_bug+0xc0/0xc0 [ 425.313901] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.319445] ? find_held_lock+0x36/0x1c0 [ 425.323523] ? mark_held_locks+0xc7/0x130 [ 425.327678] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.332799] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 425.337907] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 425.342496] ? trace_hardirqs_on+0xbd/0x310 [ 425.346819] ? kasan_check_read+0x11/0x20 [ 425.351003] ? ___ratelimit+0x3b4/0x672 [ 425.354990] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.360093] ? trace_hardirqs_on+0x310/0x310 [ 425.364518] ? lock_downgrade+0x900/0x900 [ 425.368678] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.373788] ? ___ratelimit+0x3b9/0x672 [ 425.377768] ? idr_get_free+0xec0/0xec0 [ 425.381745] ? find_held_lock+0x36/0x1c0 [ 425.385832] oom_kill_process.cold.27+0x10/0x903 [ 425.390592] ? zap_class+0x640/0x640 [ 425.394321] ? check_preemption_disabled+0x48/0x280 [ 425.399346] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.404282] ? kasan_check_read+0x11/0x20 [ 425.408432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.413717] ? oom_evaluate_task+0x540/0x540 [ 425.418132] ? find_held_lock+0x36/0x1c0 [ 425.422216] ? out_of_memory+0x974/0x1430 [ 425.426369] ? lock_downgrade+0x900/0x900 [ 425.430515] ? check_preemption_disabled+0x48/0x280 [ 425.435540] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.440474] ? kasan_check_read+0x11/0x20 [ 425.444626] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.449915] ? rcu_softirq_qs+0x20/0x20 [ 425.453896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.459438] ? oom_evaluate_task+0x302/0x540 [ 425.463854] out_of_memory+0xa84/0x1430 [ 425.467855] ? oom_killer_disable+0x3a0/0x3a0 [ 425.472366] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 425.477302] ? __mutex_add_waiter+0x2a0/0x2a0 [ 425.481812] __alloc_pages_slowpath+0x22d4/0x2d70 [ 425.486687] ? warn_alloc+0x120/0x120 [ 425.490492] ? rcu_softirq_qs+0x20/0x20 [ 425.494503] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.500057] ? should_fail+0x22d/0xd01 [ 425.503948] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.509056] ? zap_class+0x640/0x640 [ 425.512796] ? __lock_is_held+0xb5/0x140 [ 425.516894] ? mark_held_locks+0x130/0x130 [ 425.521144] ? lock_release+0xa00/0xa00 [ 425.525124] ? perf_trace_sched_process_exec+0x860/0x860 [ 425.530589] ? __might_sleep+0x95/0x190 [ 425.534569] __alloc_pages_nodemask+0xa80/0xde0 [ 425.539264] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 425.544299] ? __page_cache_alloc+0x191/0x5c0 [ 425.548797] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.553729] ? kasan_check_read+0x11/0x20 [ 425.557882] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.563166] ? zap_class+0x640/0x640 [ 425.566909] ? zap_class+0x640/0x640 [ 425.570622] ? zap_class+0x640/0x640 [ 425.574340] ? __do_page_cache_readahead+0x7ce/0x980 [ 425.579454] ? find_held_lock+0x36/0x1c0 [ 425.583528] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 425.589079] alloc_pages_current+0x173/0x350 [ 425.593503] __page_cache_alloc+0x38c/0x5c0 [ 425.597828] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.602758] ? kasan_check_read+0x11/0x20 [ 425.606911] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.612202] ? generic_perform_write+0x6a0/0x6a0 [ 425.616968] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.622510] ? check_preemption_disabled+0x48/0x280 [ 425.627542] filemap_fault+0x1594/0x25f0 [ 425.631621] ? __lock_page_or_retry+0xa00/0xa00 [ 425.636300] ? mark_held_locks+0x130/0x130 [ 425.640547] ? rcu_softirq_qs+0x20/0x20 [ 425.644543] ? filemap_map_pages+0xe04/0x1990 [ 425.649061] ? __free_object+0x173/0x340 [ 425.653143] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 425.658091] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.663207] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 425.667898] ? debug_object_free+0x32d/0x690 [ 425.672314] ? kasan_check_read+0x11/0x20 [ 425.676478] ? debug_object_destroy+0x2b0/0x2b0 [ 425.681176] ? lock_pi_update_atomic+0x150/0x150 [ 425.685963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.691520] ? __hrtimer_init+0xdb/0x240 [ 425.695601] ? lock_acquire+0x1ed/0x520 [ 425.699583] ? ext4_filemap_fault+0x7a/0xad [ 425.703921] ? lock_release+0xa00/0xa00 [ 425.707908] ? perf_trace_sched_process_exec+0x860/0x860 [ 425.713370] ? print_usage_bug+0xc0/0xc0 [ 425.717437] ? print_usage_bug+0xc0/0xc0 [ 425.722057] ? down_read+0x8d/0x120 [ 425.725689] ? ext4_filemap_fault+0x7a/0xad [ 425.730016] ? __down_interruptible+0x700/0x700 [ 425.734700] ext4_filemap_fault+0x82/0xad [ 425.738856] __do_fault+0x100/0x6b0 [ 425.742490] ? pmd_devmap_trans_unstable+0x220/0x220 [ 425.747601] ? mark_held_locks+0x130/0x130 [ 425.751836] ? mark_held_locks+0x130/0x130 [ 425.756076] ? debug_smp_processor_id+0x1c/0x20 [ 425.760746] ? perf_trace_lock+0x14d/0x7a0 [ 425.764996] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.770563] __handle_mm_fault+0x307c/0x5920 [ 425.774991] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 425.780280] ? lock_is_held_type+0x210/0x210 [ 425.784716] ? zap_class+0x640/0x640 [ 425.788432] ? zap_class+0x640/0x640 [ 425.792155] ? __x64_sys_futex+0x53e/0x6a0 [ 425.796405] ? find_held_lock+0x36/0x1c0 [ 425.800481] ? handle_mm_fault+0x42a/0xc70 [ 425.804724] ? lock_downgrade+0x900/0x900 [ 425.808881] ? check_preemption_disabled+0x48/0x280 [ 425.813922] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 425.818882] ? kasan_check_read+0x11/0x20 [ 425.823039] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 425.828318] ? rcu_softirq_qs+0x20/0x20 [ 425.832299] ? trace_hardirqs_off_caller+0x310/0x310 [ 425.837407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.842948] ? check_preemption_disabled+0x48/0x280 [ 425.847998] handle_mm_fault+0x54f/0xc70 [ 425.852070] ? __handle_mm_fault+0x5920/0x5920 [ 425.856660] ? find_vma+0x34/0x190 [ 425.860219] __do_page_fault+0x5e8/0xe60 [ 425.864284] ? trace_hardirqs_off+0xb8/0x310 [ 425.868690] ? trace_hardirqs_off+0xb8/0x310 [ 425.873115] do_page_fault+0xf2/0x7e0 [ 425.876917] ? vmalloc_sync_all+0x30/0x30 [ 425.881078] ? error_entry+0x70/0xd0 [ 425.884796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.889814] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.894746] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.899675] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.904523] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.909540] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.914997] ? prepare_exit_to_usermode+0x291/0x3b0 [ 425.920020] ? page_fault+0x8/0x30 [ 425.923564] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.928417] ? page_fault+0x8/0x30 [ 425.931966] page_fault+0x1e/0x30 [ 425.935420] RIP: 0033:0x45ddf3 [ 425.938633] Code: Bad RIP value. [ 425.942000] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 425.947368] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 425.954636] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 425.961906] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 425.969175] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 425.976451] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 425.983762] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 425.983768] warn_alloc_show_mem: 1 callbacks suppressed [ 425.983775] Mem-Info: [ 425.990798] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.996173] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 425.996173] active_file:13 inactive_file:17 isolated_file:0 [ 425.996173] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.996173] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 425.996173] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 425.996173] free:13759 free_pcp:161 free_cma:0 [ 425.998552] Call Trace: [ 426.007947] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 426.040903] [ 426.043490] Node 0 [ 426.071198] dump_stack+0x244/0x39d [ 426.073349] 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 [ 426.075567] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.079169] lowmem_reserve[]: [ 426.104712] warn_alloc.cold.117+0xb7/0x1bd [ 426.110270] 0 2819 [ 426.113400] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.117694] 6323 [ 426.119933] ? lock_downgrade+0x900/0x900 [ 426.124752] 6323 [ 426.126822] ? trace_hardirqs_off+0xb8/0x310 [ 426.133005] ? trace_hardirqs_off+0xb8/0x310 [ 426.137396] Node 0 DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 426.141835] __alloc_pages_slowpath+0x2660/0x2d70 [ 426.141882] ? warn_alloc+0x120/0x120 [ 426.169177] lowmem_reserve[]: 0 [ 426.174072] ? warn_alloc+0x120/0x120 [ 426.177836] 0 [ 426.181128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.184906] 3503 [ 426.186709] ? print_usage_bug+0xc0/0xc0 [ 426.192221] 3503 [ 426.194294] ? warn_alloc+0x120/0x120 [ 426.198337] Node 0 [ 426.200407] ? print_usage_bug+0xc0/0xc0 [ 426.204218] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 426.206420] ? mark_held_locks+0x130/0x130 [ 426.210451] lowmem_reserve[]: 0 0 [ 426.238772] ? __lock_is_held+0xb5/0x140 [ 426.242988] 0 [ 426.246441] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.250470] 0 [ 426.252288] ? should_fail+0x22d/0xd01 [ 426.257806] Node 0 [ 426.259620] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.263477] DMA: [ 426.265718] ? __lock_acquire+0x62f/0x4c20 [ 426.270808] 1*4kB [ 426.272880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.277093] (U) [ 426.279253] ? should_fail+0x22d/0xd01 [ 426.284351] 0*8kB [ 426.286346] ? mark_held_locks+0x130/0x130 [ 426.290198] 0*16kB [ 426.292364] ? mark_held_locks+0x130/0x130 [ 426.296583] 1*32kB [ 426.298817] ? print_usage_bug+0xc0/0xc0 [ 426.298838] ? find_held_lock+0x36/0x1c0 [ 426.303047] (U) 2*64kB [ 426.305302] ? zap_class+0x640/0x640 [ 426.309332] (U) 1*128kB [ 426.313417] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.315973] (U) [ 426.319692] ? check_preemption_disabled+0x48/0x280 [ 426.322340] 1*256kB (U) [ 426.327898] ? __lock_is_held+0xb5/0x140 [ 426.329849] 0*512kB [ 426.334872] __alloc_pages_nodemask+0xa80/0xde0 [ 426.337520] 1*1024kB [ 426.341576] ? zap_class+0x640/0x640 [ 426.343877] (U) [ 426.348552] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 426.350935] 1*2048kB (M) [ 426.354671] ? find_held_lock+0x36/0x1c0 [ 426.356611] 3*4096kB (M) [ 426.361645] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.364369] = 15908kB [ 426.364378] Node 0 [ 426.368444] ? lock_downgrade+0x900/0x900 [ 426.371178] DMA32: [ 426.375854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.378240] 5*4kB [ 426.380482] cache_grow_begin+0xa5/0x8c0 [ 426.384617] (UM) [ 426.386865] ? do_raw_spin_unlock+0xa7/0x330 [ 426.392381] 1*8kB [ 426.394554] fallback_alloc+0x204/0x2e0 [ 426.398589] (M) [ 426.400654] ____cache_alloc_node+0x1c7/0x1e0 [ 426.405032] 3*16kB (M) [ 426.407192] kmem_cache_alloc_node+0xe3/0x730 [ 426.411159] 3*32kB (UM) [ 426.413150] ? mark_held_locks+0xc7/0x130 [ 426.417624] 2*64kB [ 426.420219] __alloc_skb+0x119/0x770 [ 426.424687] (M) [ 426.427384] ? netdev_alloc_frag+0x1f0/0x1f0 [ 426.431516] 2*128kB [ 426.433756] ? do_raw_spin_trylock+0x270/0x270 [ 426.437447] (M) [ 426.439461] ? kmem_cache_alloc_trace+0x353/0x750 [ 426.443843] 4*256kB [ 426.446182] ? queue_work_on+0x12c/0x1e0 [ 426.450734] (M) 4*512kB [ 426.452733] ? switchdev_port_obj_del+0xdc/0x440 [ 426.457548] (UM) [ 426.459878] ? switchdev_trans_item_enqueue+0x260/0x260 [ 426.463921] 3*1024kB [ 426.466604] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.471332] (UM) 3*2048kB [ 426.473433] __br_mdb_notify+0x4ff/0x15d0 [ 426.478771] (M) [ 426.481202] ? __br_mdb_add+0x7f0/0x7f0 [ 426.486214] 3*4096kB (M) [ 426.489094] ? zap_class+0x640/0x640 [ 426.493208] = 25132kB [ 426.493217] Node 0 [ 426.495212] ? br_multicast_group_expired+0x96/0x610 [ 426.499162] Normal: [ 426.501924] ? lock_downgrade+0x900/0x900 [ 426.505620] 951*4kB [ 426.508040] br_mdb_notify+0x310/0x410 [ 426.510246] (UMEH) [ 426.515355] ? br_mdb_dump+0x27b0/0x27b0 [ 426.517654] 234*8kB (UME) [ 426.521815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.524123] 222*16kB (UMEH) [ 426.528028] br_multicast_group_expired+0x1bc/0x610 [ 426.530230] 132*32kB (UM) [ 426.534299] ? br_mdb_free+0x80/0x80 [ 426.537151] 1*64kB [ 426.542702] call_timer_fn+0x272/0x920 [ 426.545684] (H) [ 426.550704] ? br_mdb_free+0x80/0x80 [ 426.553525] 0*128kB 0*256kB [ 426.557255] ? process_timeout+0x40/0x40 [ 426.559483] 1*512kB [ 426.563372] ? __run_timers+0x7da/0xc70 [ 426.565323] (H) [ 426.569044] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.572052] 0*1024kB 0*2048kB [ 426.576122] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.578425] 0*4096kB [ 426.582408] ? br_mdb_free+0x80/0x80 [ 426.584385] = 14028kB [ 426.588883] ? lockdep_hardirqs_on+0x296/0x5b0 [ 426.592057] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.596546] ? trace_hardirqs_on+0xbd/0x310 [ 426.598942] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.602645] ? kasan_check_read+0x11/0x20 [ 426.602665] ? __run_timers+0x7da/0xc70 [ 426.605058] 4244 total pagecache pages [ 426.609649] ? trace_hardirqs_off_caller+0x310/0x310 [ 426.618717] 0 pages in swap cache [ 426.623056] ? br_mdb_free+0x80/0x80 [ 426.631608] Swap cache stats: add 0, delete 0, find 0/0 [ 426.631618] Free swap = 0kB [ 426.635784] ? br_mdb_free+0x80/0x80 [ 426.639728] Total swap = 0kB [ 426.643620] __run_timers+0x7e5/0xc70 [ 426.648704] 1965979 pages RAM [ 426.652198] ? timer_fixup_init+0x70/0x70 [ 426.655878] 0 pages HighMem/MovableOnly [ 426.655888] 342293 pages reserved [ 426.661268] ? kasan_check_read+0x11/0x20 [ 426.664265] 0 pages cma reserved [ 426.667983] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 426.671165] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.674785] ? rcu_softirq_qs+0x20/0x20 [ 426.677873] syz-fuzzer cpuset= [ 426.682022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.685989] / [ 426.689440] ? check_preemption_disabled+0x48/0x280 [ 426.693601] mems_allowed=0 [ 426.696984] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.739509] ? retint_kernel+0x2d/0x2d [ 426.743402] ? trace_hardirqs_on_caller+0xc0/0x310 [ 426.748333] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 426.753093] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.758556] ? zap_class+0x640/0x640 [ 426.762286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.767830] ? check_preemption_disabled+0x48/0x280 [ 426.772865] ? __lock_is_held+0xb5/0x140 [ 426.776934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.782486] ? check_preemption_disabled+0x48/0x280 [ 426.787524] run_timer_softirq+0x52/0xb0 [ 426.791588] ? rcu_read_lock_sched_held+0x14f/0x180 [ 426.796615] __do_softirq+0x308/0xb7e [ 426.800429] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 426.804935] ? lock_downgrade+0x900/0x900 [ 426.809096] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 426.814216] ? pvclock_read_flags+0x160/0x160 [ 426.818723] ? lapic_next_event+0x5a/0x90 [ 426.822880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.828433] ? kvm_clock_read+0x18/0x30 [ 426.832432] ? kvm_sched_clock_read+0x9/0x20 [ 426.836857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.842399] ? check_preemption_disabled+0x48/0x280 [ 426.847435] irq_exit+0x17f/0x1c0 [ 426.850903] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.855788] ? smp_reschedule_interrupt+0x109/0x650 [ 426.860813] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.866707] ? interrupt_entry+0xb5/0xc0 [ 426.870778] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.875798] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.880823] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.885672] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.890690] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.895706] ? task_prio+0x50/0x50 [ 426.899264] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.904810] ? check_preemption_disabled+0x48/0x280 [ 426.909840] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.914698] apic_timer_interrupt+0xf/0x20 [ 426.918931] [ 426.921172] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 426.926115] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 426.945024] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.952740] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.960008] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 426.967302] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 426.974571] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 426.981843] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 426.989189] skb_clone+0x1bb/0x500 [ 426.992736] ? finish_task_switch+0x2f4/0x910 [ 426.997236] ? skb_split+0x11e0/0x11e0 [ 427.001128] ? preempt_notifier_register+0x200/0x200 [ 427.006237] ? __switch_to_asm+0x34/0x70 [ 427.010300] ? __switch_to_asm+0x34/0x70 [ 427.014361] ? __switch_to_asm+0x40/0x70 [ 427.018420] ? __switch_to_asm+0x34/0x70 [ 427.022487] ? __switch_to_asm+0x40/0x70 [ 427.026549] ? __switch_to_asm+0x34/0x70 [ 427.030617] ? __switch_to_asm+0x40/0x70 [ 427.034680] ? __switch_to_asm+0x34/0x70 [ 427.038753] ? __switch_to_asm+0x34/0x70 [ 427.042820] ? __switch_to_asm+0x40/0x70 [ 427.046900] ? __switch_to_asm+0x34/0x70 [ 427.050999] bpf_clone_redirect+0xb9/0x490 [ 427.055260] ? __schedule+0x8d7/0x21d0 [ 427.059207] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 427.064246] ? __sched_text_start+0x8/0x8 [ 427.068412] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.073001] ? find_held_lock+0x36/0x1c0 [ 427.077080] ? lock_acquire+0x1ed/0x520 [ 427.081077] ? bpf_test_run+0x3cb/0x780 [ 427.085053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.090598] ? check_preemption_disabled+0x48/0x280 [ 427.095628] ? kasan_check_read+0x11/0x20 [ 427.099784] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 427.105071] ? rcu_softirq_qs+0x20/0x20 [ 427.109068] ? preempt_schedule+0x4d/0x60 [ 427.113235] ? ___preempt_schedule+0x16/0x18 [ 427.117658] ? bpf_test_run+0x25d/0x780 [ 427.121646] ? netlink_diag_dump+0x2a0/0x2a0 [ 427.126062] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 427.130836] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 427.135607] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.140460] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.146019] ? fput+0x130/0x1a0 [ 427.149310] ? __bpf_prog_get+0x9b/0x290 [ 427.153386] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 427.158239] ? bpf_prog_test_run+0x130/0x1a0 [ 427.162664] ? __x64_sys_bpf+0x3d8/0x520 [ 427.166735] ? bpf_prog_get+0x20/0x20 [ 427.170565] ? do_syscall_64+0x1b9/0x820 [ 427.174628] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.180027] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.184957] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.189805] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.194830] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.199849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.205402] ? prepare_exit_to_usermode+0x291/0x3b0 [ 427.210464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.215328] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.220723] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 427.220934] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.227417] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.237939] syz-executor3 cpuset= [ 427.247290] Call Trace: [ 427.247301] syz3 [ 427.250765] [ 427.253346] mems_allowed=0 [ 427.255322] dump_stack+0x244/0x39d [ 427.263991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.269205] warn_alloc.cold.117+0xb7/0x1bd [ 427.273533] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.278385] ? lock_downgrade+0x900/0x900 [ 427.282547] ? trace_hardirqs_off+0xb8/0x310 [ 427.286977] ? trace_hardirqs_off+0xb8/0x310 [ 427.291401] __alloc_pages_slowpath+0x2660/0x2d70 [ 427.296285] ? warn_alloc+0x120/0x120 [ 427.300094] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.305116] ? warn_alloc+0x120/0x120 [ 427.308922] ? print_usage_bug+0xc0/0xc0 [ 427.312988] ? warn_alloc+0x120/0x120 [ 427.316791] ? print_usage_bug+0xc0/0xc0 [ 427.320857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.326055] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.331600] ? should_fail+0x22d/0xd01 [ 427.335498] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.340606] ? __lock_acquire+0x62f/0x4c20 [ 427.344848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.349958] ? should_fail+0x22d/0xd01 [ 427.353858] ? mark_held_locks+0x130/0x130 [ 427.358095] ? mark_held_locks+0x130/0x130 [ 427.362361] ? print_usage_bug+0xc0/0xc0 [ 427.366433] ? find_held_lock+0x36/0x1c0 [ 427.370500] ? zap_class+0x640/0x640 [ 427.374226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.379770] ? check_preemption_disabled+0x48/0x280 [ 427.384799] ? __lock_is_held+0xb5/0x140 [ 427.388873] __alloc_pages_nodemask+0xa80/0xde0 [ 427.393546] ? zap_class+0x640/0x640 [ 427.397271] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 427.402303] ? find_held_lock+0x36/0x1c0 [ 427.406376] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.411048] ? lock_downgrade+0x900/0x900 [ 427.415212] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.420762] cache_grow_begin+0xa5/0x8c0 [ 427.424829] ? do_raw_spin_unlock+0xa7/0x330 [ 427.429247] fallback_alloc+0x204/0x2e0 [ 427.433229] ____cache_alloc_node+0x1c7/0x1e0 [ 427.437731] kmem_cache_alloc_node+0xe3/0x730 [ 427.442233] ? mark_held_locks+0xc7/0x130 [ 427.446396] __alloc_skb+0x119/0x770 [ 427.450133] ? netdev_alloc_frag+0x1f0/0x1f0 [ 427.454543] ? do_raw_spin_trylock+0x270/0x270 [ 427.459130] ? kmem_cache_alloc_trace+0x353/0x750 [ 427.463988] ? queue_work_on+0x12c/0x1e0 [ 427.468061] ? switchdev_port_obj_del+0xdc/0x440 [ 427.472825] ? switchdev_trans_item_enqueue+0x260/0x260 [ 427.478200] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.483236] __br_mdb_notify+0x4ff/0x15d0 [ 427.487386] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.492505] ? __br_mdb_add+0x7f0/0x7f0 [ 427.496488] ? mark_held_locks+0x130/0x130 [ 427.500731] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.505842] ? debug_object_assert_init+0x368/0x4b0 [ 427.510868] ? debug_object_init_on_stack+0x20/0x20 [ 427.515887] ? zap_class+0x640/0x640 [ 427.519606] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.525156] br_mdb_notify+0x310/0x410 [ 427.529081] ? br_mdb_dump+0x27b0/0x27b0 [ 427.533160] br_multicast_del_pg+0x3df/0x790 [ 427.537586] ? br_mdb_ip_get+0x940/0x940 [ 427.541654] ? rwlock_bug.part.2+0x90/0x90 [ 427.545899] ? __lock_is_held+0xb5/0x140 [ 427.549978] br_multicast_port_group_expired+0x189/0x1e0 [ 427.555438] call_timer_fn+0x272/0x920 [ 427.559331] ? br_multicast_del_pg+0x790/0x790 [ 427.563917] ? process_timeout+0x40/0x40 [ 427.567997] ? mark_held_locks+0xc7/0x130 [ 427.572156] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.576663] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.581158] ? br_multicast_del_pg+0x790/0x790 [ 427.585750] ? lockdep_hardirqs_on+0x296/0x5b0 [ 427.590339] ? trace_hardirqs_on+0xbd/0x310 [ 427.594662] ? kasan_check_read+0x11/0x20 [ 427.598815] ? __run_timers+0x7da/0xc70 [ 427.602805] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.607911] ? br_multicast_del_pg+0x790/0x790 [ 427.612530] ? br_multicast_del_pg+0x790/0x790 [ 427.617113] __run_timers+0x7e5/0xc70 [ 427.620937] ? timer_fixup_init+0x70/0x70 [ 427.625095] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 427.630115] ? zap_class+0x640/0x640 [ 427.633835] ? print_usage_bug+0xc0/0xc0 [ 427.637913] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 427.643116] ? find_held_lock+0x36/0x1c0 [ 427.647211] ? zap_class+0x640/0x640 [ 427.650955] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.656497] ? check_preemption_disabled+0x48/0x280 [ 427.661524] ? __lock_is_held+0xb5/0x140 [ 427.665591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.671131] ? check_preemption_disabled+0x48/0x280 [ 427.676158] run_timer_softirq+0x52/0xb0 [ 427.680229] ? rcu_read_lock_sched_held+0x14f/0x180 [ 427.685261] __do_softirq+0x308/0xb7e [ 427.689064] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 427.693562] ? lock_downgrade+0x900/0x900 [ 427.697718] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 427.702838] ? pvclock_read_flags+0x160/0x160 [ 427.707340] ? lapic_next_event+0x5a/0x90 [ 427.711494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.717040] ? kvm_clock_read+0x18/0x30 [ 427.721019] ? kvm_sched_clock_read+0x9/0x20 [ 427.725937] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.731497] ? check_preemption_disabled+0x48/0x280 [ 427.736545] irq_exit+0x17f/0x1c0 [ 427.740005] smp_apic_timer_interrupt+0x1cb/0x760 [ 427.744848] ? smp_reschedule_interrupt+0x109/0x650 [ 427.749871] ? smp_call_function_single_interrupt+0x650/0x650 [ 427.755760] ? interrupt_entry+0xb5/0xc0 [ 427.759824] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.764839] ? trace_hardirqs_off_caller+0xbb/0x310 [ 427.769860] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.774708] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.779723] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.784753] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.789607] apic_timer_interrupt+0xf/0x20 [ 427.793835] [ 427.796073] RIP: 0010:dump_stack+0x358/0x39d [ 427.800485] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 427.819384] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 427.827096] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 427.834360] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 427.841651] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 427.848917] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 427.856195] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 427.863526] ? dump_stack+0x34f/0x39d [ 427.867353] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.872562] dump_header+0x27b/0xf72 [ 427.876292] ? mark_held_locks+0x130/0x130 [ 427.880578] ? pagefault_out_of_memory+0x197/0x197 [ 427.885515] ? __lock_acquire+0x62f/0x4c20 [ 427.889752] ? zap_class+0x640/0x640 [ 427.893472] ? percpu_ref_get_many+0x240/0x240 [ 427.898070] ? print_usage_bug+0xc0/0xc0 [ 427.902135] ? print_usage_bug+0xc0/0xc0 [ 427.906248] ? zap_class+0x640/0x640 [ 427.909972] ? print_usage_bug+0xc0/0xc0 [ 427.914034] ? print_usage_bug+0xc0/0xc0 [ 427.918104] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.923649] ? find_held_lock+0x36/0x1c0 [ 427.927723] ? mark_held_locks+0xc7/0x130 [ 427.931884] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.937051] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 427.942154] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 427.946747] ? trace_hardirqs_on+0xbd/0x310 [ 427.951068] ? kasan_check_read+0x11/0x20 [ 427.955237] ? ___ratelimit+0x3b4/0x672 [ 427.959216] ? trace_hardirqs_off_caller+0x310/0x310 [ 427.964322] ? trace_hardirqs_on+0x310/0x310 [ 427.968912] ? lock_downgrade+0x900/0x900 [ 427.973097] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.978209] ? ___ratelimit+0x3b9/0x672 [ 427.982220] ? idr_get_free+0xec0/0xec0 [ 427.986200] ? find_held_lock+0x36/0x1c0 [ 427.990275] oom_kill_process.cold.27+0x10/0x903 [ 427.995034] ? zap_class+0x640/0x640 [ 427.998748] ? check_preemption_disabled+0x48/0x280 [ 428.003777] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.008707] ? kasan_check_read+0x11/0x20 [ 428.012855] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.018137] ? oom_evaluate_task+0x540/0x540 [ 428.022550] ? find_held_lock+0x36/0x1c0 [ 428.026631] ? out_of_memory+0x974/0x1430 [ 428.030796] ? lock_downgrade+0x900/0x900 [ 428.034944] ? check_preemption_disabled+0x48/0x280 [ 428.040000] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.044944] ? kasan_check_read+0x11/0x20 [ 428.049127] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.054405] ? rcu_softirq_qs+0x20/0x20 [ 428.058390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.063945] ? oom_evaluate_task+0x302/0x540 [ 428.068380] out_of_memory+0xa84/0x1430 [ 428.072366] ? oom_killer_disable+0x3a0/0x3a0 [ 428.076864] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 428.081798] ? __mutex_add_waiter+0x2a0/0x2a0 [ 428.086308] __alloc_pages_slowpath+0x22d4/0x2d70 [ 428.091197] ? warn_alloc+0x120/0x120 [ 428.095011] ? rcu_softirq_qs+0x20/0x20 [ 428.099021] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.104564] ? should_fail+0x22d/0xd01 [ 428.108457] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.113563] ? zap_class+0x640/0x640 [ 428.117308] ? __lock_is_held+0xb5/0x140 [ 428.121383] ? mark_held_locks+0x130/0x130 [ 428.125623] ? lock_release+0xa00/0xa00 [ 428.129601] ? perf_trace_sched_process_exec+0x860/0x860 [ 428.135070] ? __might_sleep+0x95/0x190 [ 428.139051] __alloc_pages_nodemask+0xa80/0xde0 [ 428.143729] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 428.148750] ? __page_cache_alloc+0x191/0x5c0 [ 428.153248] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.158182] ? kasan_check_read+0x11/0x20 [ 428.162353] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.167634] ? zap_class+0x640/0x640 [ 428.171356] ? zap_class+0x640/0x640 [ 428.175068] ? zap_class+0x640/0x640 [ 428.178786] ? __do_page_cache_readahead+0x7ce/0x980 [ 428.183894] ? find_held_lock+0x36/0x1c0 [ 428.187965] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 428.193514] alloc_pages_current+0x173/0x350 [ 428.197973] __page_cache_alloc+0x38c/0x5c0 [ 428.202296] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.207228] ? kasan_check_read+0x11/0x20 [ 428.211415] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.216693] ? generic_perform_write+0x6a0/0x6a0 [ 428.221449] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.226985] ? check_preemption_disabled+0x48/0x280 [ 428.232011] filemap_fault+0x1594/0x25f0 [ 428.236088] ? __lock_page_or_retry+0xa00/0xa00 [ 428.240761] ? mark_held_locks+0x130/0x130 [ 428.244997] ? rcu_softirq_qs+0x20/0x20 [ 428.248989] ? filemap_map_pages+0xe04/0x1990 [ 428.253500] ? __free_object+0x173/0x340 [ 428.257572] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 428.262505] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.267613] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 428.272308] ? debug_object_free+0x32d/0x690 [ 428.276718] ? kasan_check_read+0x11/0x20 [ 428.280881] ? debug_object_destroy+0x2b0/0x2b0 [ 428.285555] ? lock_pi_update_atomic+0x150/0x150 [ 428.290309] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.295848] ? __hrtimer_init+0xdb/0x240 [ 428.299921] ? lock_acquire+0x1ed/0x520 [ 428.303932] ? ext4_filemap_fault+0x7a/0xad [ 428.308264] ? lock_release+0xa00/0xa00 [ 428.312252] ? perf_trace_sched_process_exec+0x860/0x860 [ 428.317704] ? print_usage_bug+0xc0/0xc0 [ 428.321769] ? print_usage_bug+0xc0/0xc0 [ 428.325862] ? down_read+0x8d/0x120 [ 428.329499] ? ext4_filemap_fault+0x7a/0xad [ 428.333825] ? __down_interruptible+0x700/0x700 [ 428.338507] ext4_filemap_fault+0x82/0xad [ 428.342671] __do_fault+0x100/0x6b0 [ 428.346304] ? pmd_devmap_trans_unstable+0x220/0x220 [ 428.351418] ? mark_held_locks+0x130/0x130 [ 428.355652] ? mark_held_locks+0x130/0x130 [ 428.359890] ? debug_smp_processor_id+0x1c/0x20 [ 428.364556] ? perf_trace_lock+0x14d/0x7a0 [ 428.368802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.374348] __handle_mm_fault+0x307c/0x5920 [ 428.378772] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 428.383617] ? lock_is_held_type+0x210/0x210 [ 428.388064] ? zap_class+0x640/0x640 [ 428.391779] ? zap_class+0x640/0x640 [ 428.395513] ? __x64_sys_futex+0x53e/0x6a0 [ 428.399752] ? find_held_lock+0x36/0x1c0 [ 428.403826] ? handle_mm_fault+0x42a/0xc70 [ 428.408064] ? lock_downgrade+0x900/0x900 [ 428.412214] ? check_preemption_disabled+0x48/0x280 [ 428.417239] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 428.422172] ? kasan_check_read+0x11/0x20 [ 428.426341] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 428.431619] ? rcu_softirq_qs+0x20/0x20 [ 428.435597] ? trace_hardirqs_off_caller+0x310/0x310 [ 428.440701] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.446236] ? check_preemption_disabled+0x48/0x280 [ 428.451260] handle_mm_fault+0x54f/0xc70 [ 428.455327] ? __handle_mm_fault+0x5920/0x5920 [ 428.459927] ? find_vma+0x34/0x190 [ 428.463505] __do_page_fault+0x5e8/0xe60 [ 428.467565] ? trace_hardirqs_off+0xb8/0x310 [ 428.471974] ? trace_hardirqs_off+0xb8/0x310 [ 428.476399] do_page_fault+0xf2/0x7e0 [ 428.480212] ? vmalloc_sync_all+0x30/0x30 [ 428.484375] ? error_entry+0x70/0xd0 [ 428.488087] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.493099] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.498046] ? syscall_return_slowpath+0x5e0/0x5e0 [ 428.502980] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.507821] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.512846] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.518303] ? prepare_exit_to_usermode+0x291/0x3b0 [ 428.523319] ? page_fault+0x8/0x30 [ 428.526879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.531726] ? page_fault+0x8/0x30 [ 428.535274] page_fault+0x1e/0x30 [ 428.538726] RIP: 0033:0x45ddf3 [ 428.541965] Code: Bad RIP value. [ 428.545329] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 428.550713] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 428.557982] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 428.565249] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 428.572542] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 428.579823] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 428.587136] warn_alloc_show_mem: 1 callbacks suppressed [ 428.587147] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 428.587149] Mem-Info: [ 428.587211] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 428.587211] active_file:13 inactive_file:17 isolated_file:0 [ 428.587211] unevictable:0 dirty:0 writeback:0 unstable:0 [ 428.587211] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 428.587211] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 428.587211] free:13759 free_pcp:161 free_cma:0 [ 428.592557] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 428.599575] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 428.601957] Call Trace: [ 428.601988] [ 428.635134] Node 0 [ 428.644518] dump_stack+0x244/0x39d [ 428.672205] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 428.674808] ? dump_stack_print_info.cold.1+0x20/0x20 [ 428.676927] lowmem_reserve[]: [ 428.679178] warn_alloc.cold.117+0xb7/0x1bd [ 428.682772] 0 [ 428.708306] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 428.713489] 2819 [ 428.716609] ? lock_downgrade+0x900/0x900 [ 428.720901] 6323 6323 [ 428.722747] ? trace_hardirqs_off+0xb8/0x310 [ 428.729630] ? trace_hardirqs_off+0xb8/0x310 [ 428.733759] Node 0 [ 428.736271] __alloc_pages_slowpath+0x2660/0x2d70 [ 428.740681] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 428.745122] ? warn_alloc+0x120/0x120 [ 428.747315] lowmem_reserve[]: [ 428.752183] ? warn_alloc+0x120/0x120 [ 428.778887] 0 0 [ 428.782728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.785802] 3503 [ 428.789609] ? print_usage_bug+0xc0/0xc0 [ 428.791566] 3503 [ 428.797111] ? warn_alloc+0x120/0x120 [ 428.803225] ? print_usage_bug+0xc0/0xc0 [ 428.805283] Node 0 [ 428.809093] ? mark_held_locks+0x130/0x130 [ 428.813204] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 428.815391] ? __lock_is_held+0xb5/0x140 [ 428.819623] lowmem_reserve[]: [ 428.847921] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.851973] 0 [ 428.855091] ? should_fail+0x22d/0xd01 [ 428.860619] 0 [ 428.862433] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.866306] 0 [ 428.868123] ? __lock_acquire+0x62f/0x4c20 [ 428.873195] 0 [ 428.875018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.879242] Node 0 [ 428.881049] ? should_fail+0x22d/0xd01 [ 428.886133] DMA: [ 428.888380] ? mark_held_locks+0x130/0x130 [ 428.892243] 1*4kB [ 428.894313] ? mark_held_locks+0x130/0x130 [ 428.898525] (U) [ 428.900692] ? print_usage_bug+0xc0/0xc0 [ 428.904910] 0*8kB [ 428.906914] ? find_held_lock+0x36/0x1c0 [ 428.910958] 0*16kB [ 428.913105] ? zap_class+0x640/0x640 [ 428.917140] 1*32kB (U) [ 428.919396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.923086] 2*64kB [ 428.925675] ? check_preemption_disabled+0x48/0x280 [ 428.931202] (U) [ 428.933448] ? __lock_is_held+0xb5/0x140 [ 428.938435] 1*128kB [ 428.940426] __alloc_pages_nodemask+0xa80/0xde0 [ 428.944458] (U) 1*256kB [ 428.946794] ? zap_class+0x640/0x640 [ 428.951474] (U) [ 428.954156] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 428.957855] 0*512kB [ 428.959847] ? find_held_lock+0x36/0x1c0 [ 428.964831] 1*1024kB (U) [ 428.967179] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.971229] 1*2048kB [ 428.974008] ? lock_downgrade+0x900/0x900 [ 428.978655] (M) [ 428.981072] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.985191] 3*4096kB (M) = 15908kB [ 428.987197] cache_grow_begin+0xa5/0x8c0 [ 428.992704] Node 0 [ 428.996274] ? do_raw_spin_unlock+0xa7/0x330 [ 429.000330] DMA32: [ 429.002586] fallback_alloc+0x204/0x2e0 [ 429.006978] 5*4kB [ 429.009256] ____cache_alloc_node+0x1c7/0x1e0 [ 429.013208] (UM) [ 429.015365] kmem_cache_alloc_node+0xe3/0x730 [ 429.019842] 1*8kB [ 429.021910] ? mark_held_locks+0xc7/0x130 [ 429.026386] (M) [ 429.028544] __alloc_skb+0x119/0x770 [ 429.032672] 3*16kB (M) [ 429.034663] ? netdev_alloc_frag+0x1f0/0x1f0 [ 429.038353] 3*32kB [ 429.040947] ? do_raw_spin_trylock+0x270/0x270 [ 429.045344] (UM) [ 429.047586] ? kmem_cache_alloc_trace+0x353/0x750 [ 429.052143] 2*64kB (M) [ 429.054259] ? queue_work_on+0x12c/0x1e0 [ 429.059075] 2*128kB [ 429.061672] ? switchdev_port_obj_del+0xdc/0x440 [ 429.065703] (M) [ 429.068047] ? switchdev_trans_item_enqueue+0x260/0x260 [ 429.072804] 4*256kB (M) [ 429.074799] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.080141] 4*512kB (UM) [ 429.082836] __br_mdb_notify+0x4ff/0x15d0 [ 429.087828] 3*1024kB (UM) [ 429.090633] ? __br_mdb_add+0x7f0/0x7f0 [ 429.094753] 3*2048kB (M) [ 429.097625] ? zap_class+0x640/0x640 [ 429.101595] 3*4096kB [ 429.104365] ? br_multicast_group_expired+0x96/0x610 [ 429.108699] (M) = 25132kB [ 429.111149] ? lock_downgrade+0x900/0x900 [ 429.116239] Node 0 [ 429.119019] br_mdb_notify+0x310/0x410 [ 429.123143] Normal: [ 429.125386] ? br_mdb_dump+0x27b0/0x27b0 [ 429.129252] 951*4kB [ 429.131585] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.135624] (UMEH) [ 429.137958] br_multicast_group_expired+0x1bc/0x610 [ 429.143476] 234*8kB [ 429.145721] ? br_mdb_free+0x80/0x80 [ 429.150716] (UME) [ 429.153057] call_timer_fn+0x272/0x920 [ 429.156736] 222*16kB [ 429.158890] ? br_mdb_free+0x80/0x80 [ 429.162756] (UMEH) [ 429.165229] ? process_timeout+0x40/0x40 [ 429.168914] 132*32kB (UM) [ 429.171171] ? __run_timers+0x7da/0xc70 [ 429.175213] 1*64kB [ 429.178066] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.182015] (H) [ 429.184256] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.188725] 0*128kB 0*256kB [ 429.190718] ? br_mdb_free+0x80/0x80 [ 429.195197] 1*512kB [ 429.198218] ? lockdep_hardirqs_on+0x296/0x5b0 [ 429.201912] (H) [ 429.204243] ? trace_hardirqs_on+0xbd/0x310 [ 429.208809] 0*1024kB [ 429.210790] ? kasan_check_read+0x11/0x20 [ 429.210811] ? __run_timers+0x7da/0xc70 [ 429.215121] 0*2048kB [ 429.217539] ? trace_hardirqs_off_caller+0x310/0x310 [ 429.221669] 0*4096kB [ 429.225657] ? br_mdb_free+0x80/0x80 [ 429.228047] = 14028kB [ 429.233162] ? br_mdb_free+0x80/0x80 [ 429.235564] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 429.239284] __run_timers+0x7e5/0xc70 [ 429.241711] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 429.245480] ? timer_fixup_init+0x70/0x70 [ 429.254295] 4244 total pagecache pages [ 429.258119] ? kasan_check_read+0x11/0x20 [ 429.266692] 0 pages in swap cache [ 429.270871] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.274750] Swap cache stats: add 0, delete 0, find 0/0 [ 429.278921] ? rcu_softirq_qs+0x20/0x20 [ 429.282363] Free swap = 0kB [ 429.287661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.293014] Total swap = 0kB [ 429.297010] ? check_preemption_disabled+0x48/0x280 [ 429.300032] 1965979 pages RAM [ 429.305598] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.308607] 0 pages HighMem/MovableOnly [ 429.313645] ? retint_kernel+0x2d/0x2d [ 429.316737] 342293 pages reserved [ 429.321515] ? trace_hardirqs_on_caller+0xc0/0x310 [ 429.325481] 0 pages cma reserved [ 429.329395] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 429.333026] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.337782] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.341138] syz-fuzzer cpuset= [ 429.345908] ? zap_class+0x640/0x640 [ 429.356127] / [ 429.361609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.364797] mems_allowed=0 [ 429.368524] ? check_preemption_disabled+0x48/0x280 [ 429.383741] ? __lock_is_held+0xb5/0x140 [ 429.387839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.393422] ? check_preemption_disabled+0x48/0x280 [ 429.398497] run_timer_softirq+0x52/0xb0 [ 429.402604] ? rcu_read_lock_sched_held+0x14f/0x180 [ 429.407668] __do_softirq+0x308/0xb7e [ 429.411513] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 429.416040] ? lock_downgrade+0x900/0x900 [ 429.420229] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 429.425401] ? pvclock_read_flags+0x160/0x160 [ 429.429932] ? lapic_next_event+0x5a/0x90 [ 429.434119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.439696] ? kvm_clock_read+0x18/0x30 [ 429.443703] ? kvm_sched_clock_read+0x9/0x20 [ 429.448146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.453713] ? check_preemption_disabled+0x48/0x280 [ 429.458779] irq_exit+0x17f/0x1c0 [ 429.462272] smp_apic_timer_interrupt+0x1cb/0x760 [ 429.467170] ? smp_reschedule_interrupt+0x109/0x650 [ 429.472266] ? smp_call_function_single_interrupt+0x650/0x650 [ 429.478188] ? interrupt_entry+0xb5/0xc0 [ 429.482300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.487346] ? trace_hardirqs_off_caller+0xbb/0x310 [ 429.492401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.497279] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.502328] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.507382] ? task_prio+0x50/0x50 [ 429.510962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.516538] ? check_preemption_disabled+0x48/0x280 [ 429.521596] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.526493] apic_timer_interrupt+0xf/0x20 [ 429.530749] [ 429.533056] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 429.538013] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 429.556939] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 429.564685] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 429.571982] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 429.579285] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 429.586605] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 429.593907] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 429.601261] skb_clone+0x1bb/0x500 [ 429.604838] ? finish_task_switch+0x2f4/0x910 [ 429.609367] ? skb_split+0x11e0/0x11e0 [ 429.613296] ? preempt_notifier_register+0x200/0x200 [ 429.618437] ? __switch_to_asm+0x34/0x70 [ 429.622553] ? __switch_to_asm+0x34/0x70 [ 429.626639] ? __switch_to_asm+0x40/0x70 [ 429.630733] ? __switch_to_asm+0x34/0x70 [ 429.634827] ? __switch_to_asm+0x40/0x70 [ 429.638914] ? __switch_to_asm+0x34/0x70 [ 429.643024] ? __switch_to_asm+0x40/0x70 [ 429.647111] ? __switch_to_asm+0x34/0x70 [ 429.651207] ? __switch_to_asm+0x34/0x70 [ 429.655288] ? __switch_to_asm+0x40/0x70 [ 429.659385] ? __switch_to_asm+0x34/0x70 [ 429.663493] bpf_clone_redirect+0xb9/0x490 [ 429.667769] ? __schedule+0x8d7/0x21d0 [ 429.671691] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 429.676743] ? __sched_text_start+0x8/0x8 [ 429.680923] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 429.685548] ? find_held_lock+0x36/0x1c0 [ 429.689647] ? lock_acquire+0x1ed/0x520 [ 429.693667] ? bpf_test_run+0x3cb/0x780 [ 429.697672] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.703252] ? check_preemption_disabled+0x48/0x280 [ 429.708321] ? kasan_check_read+0x11/0x20 [ 429.712513] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 429.717831] ? rcu_softirq_qs+0x20/0x20 [ 429.722314] ? preempt_schedule+0x4d/0x60 [ 429.726504] ? ___preempt_schedule+0x16/0x18 [ 429.731015] ? bpf_test_run+0x25d/0x780 [ 429.735051] ? netlink_diag_dump+0x2a0/0x2a0 [ 429.739505] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 429.744301] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 429.749126] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 429.754030] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 429.759605] ? fput+0x130/0x1a0 [ 429.762962] ? __bpf_prog_get+0x9b/0x290 [ 429.767111] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 429.771992] ? bpf_prog_test_run+0x130/0x1a0 [ 429.776442] ? __x64_sys_bpf+0x3d8/0x520 [ 429.780537] ? bpf_prog_get+0x20/0x20 [ 429.784394] ? do_syscall_64+0x1b9/0x820 [ 429.788487] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 429.793894] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.798854] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.803735] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.808789] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 429.813842] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.819407] ? prepare_exit_to_usermode+0x291/0x3b0 [ 429.824463] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.829349] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 429.834764] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 429.835010] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.841483] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.851980] syz-executor3 cpuset= [ 429.861359] Call Trace: [ 429.861378] [ 429.864850] syz3 [ 429.867460] dump_stack+0x244/0x39d [ 429.869601] mems_allowed=0 [ 429.871593] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.883381] warn_alloc.cold.117+0xb7/0x1bd [ 429.887737] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.892618] ? lock_downgrade+0x900/0x900 [ 429.896813] ? trace_hardirqs_off+0xb8/0x310 [ 429.901378] ? trace_hardirqs_off+0xb8/0x310 [ 429.905855] __alloc_pages_slowpath+0x2660/0x2d70 [ 429.910796] ? warn_alloc+0x120/0x120 [ 429.914668] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 429.919721] ? warn_alloc+0x120/0x120 [ 429.923569] ? print_usage_bug+0xc0/0xc0 [ 429.927683] ? warn_alloc+0x120/0x120 [ 429.931518] ? print_usage_bug+0xc0/0xc0 [ 429.935634] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 429.940891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.946469] ? should_fail+0x22d/0xd01 [ 429.950425] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.955578] ? __lock_acquire+0x62f/0x4c20 [ 429.959859] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.965008] ? should_fail+0x22d/0xd01 [ 429.968958] ? mark_held_locks+0x130/0x130 [ 429.973247] ? mark_held_locks+0x130/0x130 [ 429.977518] ? print_usage_bug+0xc0/0xc0 [ 429.981624] ? find_held_lock+0x36/0x1c0 [ 429.985749] ? zap_class+0x640/0x640 [ 429.989507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.995120] ? check_preemption_disabled+0x48/0x280 [ 430.000197] ? __lock_is_held+0xb5/0x140 [ 430.004323] __alloc_pages_nodemask+0xa80/0xde0 [ 430.009050] ? zap_class+0x640/0x640 [ 430.012811] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 430.017896] ? find_held_lock+0x36/0x1c0 [ 430.022057] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.026770] ? lock_downgrade+0x900/0x900 [ 430.031006] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.036588] cache_grow_begin+0xa5/0x8c0 [ 430.040697] ? do_raw_spin_unlock+0xa7/0x330 [ 430.045173] fallback_alloc+0x204/0x2e0 [ 430.049235] ____cache_alloc_node+0x1c7/0x1e0 [ 430.053824] kmem_cache_alloc_node+0xe3/0x730 [ 430.058345] ? mark_held_locks+0xc7/0x130 [ 430.062528] __alloc_skb+0x119/0x770 [ 430.066282] ? netdev_alloc_frag+0x1f0/0x1f0 [ 430.070720] ? do_raw_spin_trylock+0x270/0x270 [ 430.075339] ? kmem_cache_alloc_trace+0x353/0x750 [ 430.080239] ? queue_work_on+0x12c/0x1e0 [ 430.084350] ? switchdev_port_obj_del+0xdc/0x440 [ 430.089141] ? switchdev_trans_item_enqueue+0x260/0x260 [ 430.094544] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 430.099602] __br_mdb_notify+0x4ff/0x15d0 [ 430.103775] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.108926] ? __br_mdb_add+0x7f0/0x7f0 [ 430.112941] ? mark_held_locks+0x130/0x130 [ 430.117225] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.122361] ? debug_object_assert_init+0x368/0x4b0 [ 430.127407] ? debug_object_init_on_stack+0x20/0x20 [ 430.132463] ? zap_class+0x640/0x640 [ 430.136218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.141787] br_mdb_notify+0x310/0x410 [ 430.145699] ? br_mdb_dump+0x27b0/0x27b0 [ 430.149804] br_multicast_del_pg+0x3df/0x790 [ 430.154257] ? br_mdb_ip_get+0x940/0x940 [ 430.158342] ? rwlock_bug.part.2+0x90/0x90 [ 430.162602] ? __lock_is_held+0xb5/0x140 [ 430.166697] br_multicast_port_group_expired+0x189/0x1e0 [ 430.172178] call_timer_fn+0x272/0x920 [ 430.176132] ? br_multicast_del_pg+0x790/0x790 [ 430.180740] ? process_timeout+0x40/0x40 [ 430.184849] ? mark_held_locks+0xc7/0x130 [ 430.189025] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.193571] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.198111] ? br_multicast_del_pg+0x790/0x790 [ 430.202738] ? lockdep_hardirqs_on+0x296/0x5b0 [ 430.207368] ? trace_hardirqs_on+0xbd/0x310 [ 430.211728] ? kasan_check_read+0x11/0x20 [ 430.215921] ? __run_timers+0x7da/0xc70 [ 430.219928] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.225108] ? br_multicast_del_pg+0x790/0x790 [ 430.229773] ? br_multicast_del_pg+0x790/0x790 [ 430.234404] __run_timers+0x7e5/0xc70 [ 430.238248] ? timer_fixup_init+0x70/0x70 [ 430.242422] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.247469] ? zap_class+0x640/0x640 [ 430.251248] ? print_usage_bug+0xc0/0xc0 [ 430.255343] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.260572] ? find_held_lock+0x36/0x1c0 [ 430.264698] ? zap_class+0x640/0x640 [ 430.268448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.274019] ? check_preemption_disabled+0x48/0x280 [ 430.279082] ? __lock_is_held+0xb5/0x140 [ 430.283174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.288776] ? check_preemption_disabled+0x48/0x280 [ 430.293839] run_timer_softirq+0x52/0xb0 [ 430.297922] ? rcu_read_lock_sched_held+0x14f/0x180 [ 430.302985] __do_softirq+0x308/0xb7e [ 430.306818] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 430.311344] ? lock_downgrade+0x900/0x900 [ 430.315544] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 430.320697] ? pvclock_read_flags+0x160/0x160 [ 430.325235] ? lapic_next_event+0x5a/0x90 [ 430.329416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.335025] ? kvm_clock_read+0x18/0x30 [ 430.339033] ? kvm_sched_clock_read+0x9/0x20 [ 430.343474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.349031] ? check_preemption_disabled+0x48/0x280 [ 430.354072] irq_exit+0x17f/0x1c0 [ 430.357565] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.362444] ? smp_reschedule_interrupt+0x109/0x650 [ 430.367536] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.373498] ? interrupt_entry+0xb5/0xc0 [ 430.377620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.382668] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.387748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.392621] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.397662] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.402709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.407580] apic_timer_interrupt+0xf/0x20 [ 430.411825] [ 430.414082] RIP: 0010:dump_stack+0x358/0x39d [ 430.418541] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 430.437480] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 430.445233] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 430.452527] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 430.459819] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 430.467109] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 430.474396] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 430.481712] ? dump_stack+0x34f/0x39d [ 430.485541] ? dump_stack_print_info.cold.1+0x20/0x20 [ 430.490757] dump_header+0x27b/0xf72 [ 430.494492] ? mark_held_locks+0x130/0x130 [ 430.498746] ? pagefault_out_of_memory+0x197/0x197 [ 430.503699] ? __lock_acquire+0x62f/0x4c20 [ 430.507975] ? zap_class+0x640/0x640 [ 430.511705] ? percpu_ref_get_many+0x240/0x240 [ 430.516304] ? print_usage_bug+0xc0/0xc0 [ 430.520385] ? print_usage_bug+0xc0/0xc0 [ 430.524467] ? zap_class+0x640/0x640 [ 430.528219] ? print_usage_bug+0xc0/0xc0 [ 430.532312] ? print_usage_bug+0xc0/0xc0 [ 430.536416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.542030] ? find_held_lock+0x36/0x1c0 [ 430.546123] ? mark_held_locks+0xc7/0x130 [ 430.550301] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.555414] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 430.560534] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 430.565148] ? trace_hardirqs_on+0xbd/0x310 [ 430.569484] ? kasan_check_read+0x11/0x20 [ 430.573665] ? ___ratelimit+0x3b4/0x672 [ 430.577666] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.582801] ? trace_hardirqs_on+0x310/0x310 [ 430.587233] ? lock_downgrade+0x900/0x900 [ 430.591418] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 430.596572] ? ___ratelimit+0x3b9/0x672 [ 430.600567] ? idr_get_free+0xec0/0xec0 [ 430.604558] ? find_held_lock+0x36/0x1c0 [ 430.608655] oom_kill_process.cold.27+0x10/0x903 [ 430.613421] ? zap_class+0x640/0x640 [ 430.617369] ? check_preemption_disabled+0x48/0x280 [ 430.622446] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.627411] ? kasan_check_read+0x11/0x20 [ 430.631577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.636878] ? oom_evaluate_task+0x540/0x540 [ 430.641301] ? find_held_lock+0x36/0x1c0 [ 430.645389] ? out_of_memory+0x974/0x1430 [ 430.649550] ? lock_downgrade+0x900/0x900 [ 430.653729] ? check_preemption_disabled+0x48/0x280 [ 430.658764] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.663714] ? kasan_check_read+0x11/0x20 [ 430.667891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.673180] ? rcu_softirq_qs+0x20/0x20 [ 430.677186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.682745] ? oom_evaluate_task+0x302/0x540 [ 430.687178] out_of_memory+0xa84/0x1430 [ 430.691174] ? oom_killer_disable+0x3a0/0x3a0 [ 430.695689] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 430.700641] ? __mutex_add_waiter+0x2a0/0x2a0 [ 430.705195] __alloc_pages_slowpath+0x22d4/0x2d70 [ 430.710103] ? warn_alloc+0x120/0x120 [ 430.713933] ? rcu_softirq_qs+0x20/0x20 [ 430.718057] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.723662] ? should_fail+0x22d/0xd01 [ 430.727604] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 430.732732] ? zap_class+0x640/0x640 [ 430.736487] ? __lock_is_held+0xb5/0x140 [ 430.740580] ? mark_held_locks+0x130/0x130 [ 430.744858] ? lock_release+0xa00/0xa00 [ 430.748879] ? perf_trace_sched_process_exec+0x860/0x860 [ 430.754385] ? __might_sleep+0x95/0x190 [ 430.758374] __alloc_pages_nodemask+0xa80/0xde0 [ 430.763066] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 430.768102] ? __page_cache_alloc+0x191/0x5c0 [ 430.772611] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.777543] ? kasan_check_read+0x11/0x20 [ 430.781696] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.786993] ? zap_class+0x640/0x640 [ 430.790746] ? zap_class+0x640/0x640 [ 430.794461] ? zap_class+0x640/0x640 [ 430.798178] ? __do_page_cache_readahead+0x7ce/0x980 [ 430.803297] ? find_held_lock+0x36/0x1c0 [ 430.807369] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 430.812933] alloc_pages_current+0x173/0x350 [ 430.817386] __page_cache_alloc+0x38c/0x5c0 [ 430.821713] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 430.826647] ? kasan_check_read+0x11/0x20 [ 430.830814] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 430.836109] ? generic_perform_write+0x6a0/0x6a0 [ 430.840882] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.846419] ? check_preemption_disabled+0x48/0x280 [ 430.851450] filemap_fault+0x1594/0x25f0 [ 430.855547] ? __lock_page_or_retry+0xa00/0xa00 [ 430.860235] ? mark_held_locks+0x130/0x130 [ 430.864513] ? rcu_softirq_qs+0x20/0x20 [ 430.868527] ? filemap_map_pages+0xe04/0x1990 [ 430.873058] ? __free_object+0x173/0x340 [ 430.877141] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 430.882095] ? trace_hardirqs_off_caller+0x310/0x310 [ 430.887211] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 430.891902] ? debug_object_free+0x32d/0x690 [ 430.896332] ? kasan_check_read+0x11/0x20 [ 430.900509] ? debug_object_destroy+0x2b0/0x2b0 [ 430.905195] ? lock_pi_update_atomic+0x150/0x150 [ 430.909974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.915511] ? __hrtimer_init+0xdb/0x240 [ 430.919588] ? lock_acquire+0x1ed/0x520 [ 430.923604] ? ext4_filemap_fault+0x7a/0xad [ 430.927957] ? lock_release+0xa00/0xa00 [ 430.931939] ? perf_trace_sched_process_exec+0x860/0x860 [ 430.937400] ? print_usage_bug+0xc0/0xc0 [ 430.941468] ? print_usage_bug+0xc0/0xc0 [ 430.945549] ? down_read+0x8d/0x120 [ 430.949217] ? ext4_filemap_fault+0x7a/0xad [ 430.953556] ? __down_interruptible+0x700/0x700 [ 430.958246] ext4_filemap_fault+0x82/0xad [ 430.962422] __do_fault+0x100/0x6b0 [ 430.966060] ? pmd_devmap_trans_unstable+0x220/0x220 [ 430.971193] ? mark_held_locks+0x130/0x130 [ 430.975433] ? mark_held_locks+0x130/0x130 [ 430.979673] ? debug_smp_processor_id+0x1c/0x20 [ 430.984347] ? perf_trace_lock+0x14d/0x7a0 [ 430.988594] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 430.994238] __handle_mm_fault+0x307c/0x5920 [ 430.998670] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 431.003515] ? lock_is_held_type+0x210/0x210 [ 431.007983] ? zap_class+0x640/0x640 [ 431.011702] ? zap_class+0x640/0x640 [ 431.015424] ? __x64_sys_futex+0x53e/0x6a0 [ 431.019667] ? find_held_lock+0x36/0x1c0 [ 431.023754] ? handle_mm_fault+0x42a/0xc70 [ 431.028006] ? lock_downgrade+0x900/0x900 [ 431.032166] ? check_preemption_disabled+0x48/0x280 [ 431.037227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 431.042168] ? kasan_check_read+0x11/0x20 [ 431.046347] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.051629] ? rcu_softirq_qs+0x20/0x20 [ 431.055629] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.060742] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.066295] ? check_preemption_disabled+0x48/0x280 [ 431.071330] handle_mm_fault+0x54f/0xc70 [ 431.075401] ? __handle_mm_fault+0x5920/0x5920 [ 431.079994] ? find_vma+0x34/0x190 [ 431.083546] __do_page_fault+0x5e8/0xe60 [ 431.087643] ? trace_hardirqs_off+0xb8/0x310 [ 431.092064] ? trace_hardirqs_off+0xb8/0x310 [ 431.096497] do_page_fault+0xf2/0x7e0 [ 431.100326] ? vmalloc_sync_all+0x30/0x30 [ 431.104491] ? error_entry+0x70/0xd0 [ 431.108223] ? trace_hardirqs_off_caller+0xbb/0x310 [ 431.113255] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.118221] ? syscall_return_slowpath+0x5e0/0x5e0 [ 431.123170] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.128044] ? trace_hardirqs_on_caller+0x310/0x310 [ 431.133084] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.138561] ? prepare_exit_to_usermode+0x291/0x3b0 [ 431.143589] ? page_fault+0x8/0x30 [ 431.147145] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 431.152004] ? page_fault+0x8/0x30 [ 431.155564] page_fault+0x1e/0x30 [ 431.159027] RIP: 0033:0x45ddf3 [ 431.162239] Code: Bad RIP value. [ 431.165602] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 431.170975] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 431.178249] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 431.185552] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 431.192829] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 431.200119] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 431.207427] warn_alloc_show_mem: 1 callbacks suppressed [ 431.207440] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 431.207442] Mem-Info: [ 431.207474] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 431.207474] active_file:13 inactive_file:17 isolated_file:0 [ 431.207474] unevictable:0 dirty:0 writeback:0 unstable:0 [ 431.207474] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 431.207474] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 431.207474] free:13759 free_pcp:161 free_cma:0 [ 431.212835] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 431.219859] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 431.222266] Call Trace: [ 431.255245] Node 0 [ 431.264619] [ 431.292329] 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 [ 431.294915] dump_stack+0x244/0x39d [ 431.297116] lowmem_reserve[]: 0 [ 431.299285] ? dump_stack_print_info.cold.1+0x20/0x20 [ 431.324779] 2819 6323 [ 431.328446] warn_alloc.cold.117+0xb7/0x1bd [ 431.331692] 6323 [ 431.336890] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 431.343696] ? lock_downgrade+0x900/0x900 [ 431.345741] Node 0 [ 431.350590] ? trace_hardirqs_off+0xb8/0x310 [ 431.354743] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 431.356958] ? trace_hardirqs_off+0xb8/0x310 [ 431.361349] lowmem_reserve[]: [ 431.388098] __alloc_pages_slowpath+0x2660/0x2d70 [ 431.392510] 0 [ 431.395649] ? warn_alloc+0x120/0x120 [ 431.400443] 0 3503 [ 431.402277] ? warn_alloc+0x120/0x120 [ 431.406078] 3503 [ 431.408321] ? print_usage_bug+0xc0/0xc0 [ 431.414162] ? warn_alloc+0x120/0x120 [ 431.418205] Node 0 [ 431.422009] ? print_usage_bug+0xc0/0xc0 [ 431.422041] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 431.422049] lowmem_reserve[]: [ 431.424295] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 431.428366] 0 [ 431.456697] ? should_fail+0x22d/0xd01 [ 431.459795] 0 [ 431.465353] ? __lock_acquire+0x62f/0x4c20 [ 431.467137] 0 [ 431.471045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.472822] 0 [ 431.477063] ? __lock_acquire+0x62f/0x4c20 [ 431.478845] Node 0 [ 431.483957] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 431.485740] DMA: [ 431.489978] ? __lock_acquire+0x62f/0x4c20 [ 431.492205] 1*4kB [ 431.497312] ? should_fail+0x22d/0xd01 [ 431.499353] (U) [ 431.503598] ? mark_held_locks+0x130/0x130 [ 431.505725] 0*8kB [ 431.509651] ? mark_held_locks+0x130/0x130 [ 431.511613] 0*16kB [ 431.515892] ? try_to_wake_up+0x10a/0x12e0 [ 431.518026] 1*32kB [ 431.522273] ? zap_class+0x640/0x640 [ 431.524492] (U) [ 431.528724] ? print_usage_bug+0xc0/0xc0 [ 431.530945] 2*64kB [ 431.534660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.536628] (U) [ 431.540689] ? check_preemption_disabled+0x48/0x280 [ 431.542904] 1*128kB (U) [ 431.548476] ? __lock_is_held+0xb5/0x140 [ 431.550418] 1*256kB [ 431.555438] __alloc_pages_nodemask+0xa80/0xde0 [ 431.558089] (U) [ 431.562175] ? zap_class+0x640/0x640 [ 431.564488] 0*512kB [ 431.569200] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 431.571154] 1*1024kB [ 431.574893] ? find_held_lock+0x36/0x1c0 [ 431.577197] (U) [ 431.582246] ? ____cache_alloc_node+0x1c7/0x1e0 [ 431.584638] 1*2048kB [ 431.588704] ? lock_downgrade+0x900/0x900 [ 431.590665] (M) [ 431.595343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.597740] 3*4096kB [ 431.601907] cache_grow_begin+0xa5/0x8c0 [ 431.603876] (M) [ 431.609443] ? do_raw_spin_unlock+0xa7/0x330 [ 431.611832] = 15908kB [ 431.615904] fallback_alloc+0x204/0x2e0 [ 431.617852] Node 0 [ 431.622268] ____cache_alloc_node+0x1c7/0x1e0 [ 431.624658] DMA32: [ 431.628630] kmem_cache_alloc_node+0xe3/0x730 [ 431.630848] 5*4kB [ 431.635346] ? ipv6_get_ifaddr+0x42e/0x620 [ 431.637561] (UM) [ 431.642077] __alloc_skb+0x119/0x770 [ 431.644194] 1*8kB (M) [ 431.648445] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.650492] 3*16kB [ 431.654229] ? netdev_alloc_frag+0x1f0/0x1f0 [ 431.656701] (M) [ 431.662010] ? lock_downgrade+0x900/0x900 [ 431.664234] 3*32kB [ 431.668649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.670599] (UM) [ 431.674751] ? refcount_sub_and_test_checked+0x203/0x310 [ 431.676969] 2*64kB [ 431.682509] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 431.684563] (M) [ 431.690464] ? addrconf_rs_timer+0x690/0x690 [ 431.692675] 2*128kB [ 431.698132] ndisc_alloc_skb+0x144/0x340 [ 431.700079] (M) [ 431.704490] ndisc_send_rs+0x331/0x6e0 [ 431.706794] 4*256kB [ 431.710887] addrconf_rs_timer+0x314/0x690 [ 431.712843] (M) [ 431.716736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.719043] 4*512kB [ 431.723493] call_timer_fn+0x272/0x920 [ 431.725448] (UM) [ 431.729682] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.731982] 3*1024kB (UM) [ 431.735876] ? process_timeout+0x40/0x40 [ 431.737922] 3*2048kB [ 431.742159] ? __run_timers+0x7da/0xc70 [ 431.744989] (M) 3*4096kB [ 431.749075] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.751457] (M) = 25132kB [ 431.755436] ? _raw_spin_unlock_irq+0x27/0x80 [ 431.758194] Node 0 [ 431.762680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.765421] Normal: [ 431.769936] ? lockdep_hardirqs_on+0x296/0x5b0 [ 431.772155] 951*4kB [ 431.776385] ? trace_hardirqs_on+0xbd/0x310 [ 431.778690] (UMEH) [ 431.783270] ? kasan_check_read+0x11/0x20 [ 431.785570] 234*8kB [ 431.789890] ? __run_timers+0x7da/0xc70 [ 431.792102] (UME) [ 431.796280] ? trace_hardirqs_off_caller+0x310/0x310 [ 431.798580] 222*16kB (UMEH) [ 431.802566] ? __queue_work+0x1440/0x1440 [ 431.804690] 132*32kB [ 431.809791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 431.812786] (UM) [ 431.816943] __run_timers+0x7e5/0xc70 [ 431.819349] 1*64kB [ 431.823605] ? timer_fixup_init+0x70/0x70 [ 431.825643] (H) [ 431.829441] ? kasan_check_read+0x11/0x20 [ 431.831657] 0*128kB [ 431.835802] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 431.837754] 0*256kB [ 431.841898] ? rcu_softirq_qs+0x20/0x20 [ 431.844205] 1*512kB [ 431.849486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.851800] (H) [ 431.855771] ? check_preemption_disabled+0x48/0x280 [ 431.858073] 0*1024kB [ 431.863611] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.865565] 0*2048kB [ 431.870577] ? retint_kernel+0x2d/0x2d [ 431.872971] 0*4096kB [ 431.877735] ? trace_hardirqs_on_caller+0xc0/0x310 [ 431.880125] = 14028kB [ 431.884008] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 431.886403] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 431.891357] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 431.893756] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 431.898504] ? zap_class+0x640/0x640 [ 431.907315] 4244 total pagecache pages [ 431.907334] 0 pages in swap cache [ 431.912797] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.921354] Swap cache stats: add 0, delete 0, find 0/0 [ 431.925091] ? check_preemption_disabled+0x48/0x280 [ 431.928958] Free swap = 0kB [ 431.932413] ? __lock_is_held+0xb5/0x140 [ 431.937931] Total swap = 0kB [ 431.943315] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 431.948339] 1965979 pages RAM [ 431.951357] ? check_preemption_disabled+0x48/0x280 [ 431.955409] 0 pages HighMem/MovableOnly [ 431.955417] 342293 pages reserved [ 431.958439] run_timer_softirq+0x52/0xb0 [ 431.963948] 0 pages cma reserved [ 431.967066] ? rcu_read_lock_sched_held+0x14f/0x180 [ 431.972250] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 431.976038] __do_softirq+0x308/0xb7e [ 431.979473] syz-fuzzer cpuset= [ 431.983532] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 431.986876] / [ 431.991887] ? lock_downgrade+0x900/0x900 [ 431.991910] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.002117] mems_allowed=0 [ 432.005922] ? pvclock_read_flags+0x160/0x160 [ 432.031914] ? lapic_next_event+0x5a/0x90 [ 432.036087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.041657] ? kvm_clock_read+0x18/0x30 [ 432.045646] ? kvm_sched_clock_read+0x9/0x20 [ 432.050059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.055597] ? check_preemption_disabled+0x48/0x280 [ 432.060627] irq_exit+0x17f/0x1c0 [ 432.064090] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.068933] ? smp_reschedule_interrupt+0x109/0x650 [ 432.073957] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.079851] ? interrupt_entry+0xb5/0xc0 [ 432.083915] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.088941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.093964] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.098815] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.103830] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.108851] ? task_prio+0x50/0x50 [ 432.112412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.117969] ? check_preemption_disabled+0x48/0x280 [ 432.123003] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.127859] apic_timer_interrupt+0xf/0x20 [ 432.132107] [ 432.134361] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 432.139297] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 432.158204] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 432.165937] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 432.173218] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 432.180489] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 432.187756] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 432.195022] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 432.202338] skb_clone+0x1bb/0x500 [ 432.205877] ? finish_task_switch+0x2f4/0x910 [ 432.210374] ? skb_split+0x11e0/0x11e0 [ 432.214268] ? preempt_notifier_register+0x200/0x200 [ 432.219377] ? __switch_to_asm+0x34/0x70 [ 432.223439] ? __switch_to_asm+0x34/0x70 [ 432.227518] ? __switch_to_asm+0x40/0x70 [ 432.231580] ? __switch_to_asm+0x34/0x70 [ 432.235641] ? __switch_to_asm+0x40/0x70 [ 432.239702] ? __switch_to_asm+0x34/0x70 [ 432.243760] ? __switch_to_asm+0x40/0x70 [ 432.247821] ? __switch_to_asm+0x34/0x70 [ 432.251885] ? __switch_to_asm+0x34/0x70 [ 432.255943] ? __switch_to_asm+0x40/0x70 [ 432.260002] ? __switch_to_asm+0x34/0x70 [ 432.264077] bpf_clone_redirect+0xb9/0x490 [ 432.268320] ? __schedule+0x8d7/0x21d0 [ 432.272218] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 432.277245] ? __sched_text_start+0x8/0x8 [ 432.281402] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 432.285992] ? find_held_lock+0x36/0x1c0 [ 432.290064] ? lock_acquire+0x1ed/0x520 [ 432.294043] ? bpf_test_run+0x3cb/0x780 [ 432.298045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.303597] ? check_preemption_disabled+0x48/0x280 [ 432.308624] ? kasan_check_read+0x11/0x20 [ 432.312780] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 432.318080] ? rcu_softirq_qs+0x20/0x20 [ 432.322078] ? preempt_schedule+0x4d/0x60 [ 432.326232] ? ___preempt_schedule+0x16/0x18 [ 432.330654] ? bpf_test_run+0x25d/0x780 [ 432.334643] ? netlink_diag_dump+0x2a0/0x2a0 [ 432.339058] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 432.343823] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 432.348591] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 432.353431] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 432.358975] ? fput+0x130/0x1a0 [ 432.362260] ? __bpf_prog_get+0x9b/0x290 [ 432.366328] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 432.371171] ? bpf_prog_test_run+0x130/0x1a0 [ 432.375628] ? __x64_sys_bpf+0x3d8/0x520 [ 432.379695] ? bpf_prog_get+0x20/0x20 [ 432.383524] ? do_syscall_64+0x1b9/0x820 [ 432.387589] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 432.392958] ? syscall_return_slowpath+0x5e0/0x5e0 [ 432.397888] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.402905] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.407927] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 432.412960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.418535] ? prepare_exit_to_usermode+0x291/0x3b0 [ 432.423574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.428430] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 432.433822] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 432.433907] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 432.440497] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 432.440503] Call Trace: [ 432.440510] [ 432.440539] dump_stack+0x244/0x39d [ 432.440557] ? dump_stack_print_info.cold.1+0x20/0x20 [ 432.447132] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 432.456407] warn_alloc.cold.117+0xb7/0x1bd [ 432.458977] syz-executor3 cpuset= [ 432.461135] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 432.464755] syz3 [ 432.469942] ? lock_downgrade+0x900/0x900 [ 432.480407] mems_allowed=0 [ 432.484726] ? trace_hardirqs_off+0xb8/0x310 [ 432.506446] ? trace_hardirqs_off+0xb8/0x310 [ 432.510879] __alloc_pages_slowpath+0x2660/0x2d70 [ 432.515754] ? warn_alloc+0x120/0x120 [ 432.519573] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.524605] ? warn_alloc+0x120/0x120 [ 432.528410] ? print_usage_bug+0xc0/0xc0 [ 432.532474] ? warn_alloc+0x120/0x120 [ 432.536276] ? print_usage_bug+0xc0/0xc0 [ 432.540341] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.545554] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.551096] ? should_fail+0x22d/0xd01 [ 432.554995] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.560102] ? __lock_acquire+0x62f/0x4c20 [ 432.564349] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 432.569454] ? should_fail+0x22d/0xd01 [ 432.573360] ? mark_held_locks+0x130/0x130 [ 432.577601] ? mark_held_locks+0x130/0x130 [ 432.581838] ? print_usage_bug+0xc0/0xc0 [ 432.585910] ? find_held_lock+0x36/0x1c0 [ 432.589993] ? zap_class+0x640/0x640 [ 432.593718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.599256] ? check_preemption_disabled+0x48/0x280 [ 432.604285] ? __lock_is_held+0xb5/0x140 [ 432.608362] __alloc_pages_nodemask+0xa80/0xde0 [ 432.613041] ? zap_class+0x640/0x640 [ 432.616983] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 432.622023] ? find_held_lock+0x36/0x1c0 [ 432.626096] ? ____cache_alloc_node+0x1c7/0x1e0 [ 432.630765] ? lock_downgrade+0x900/0x900 [ 432.634924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.640475] cache_grow_begin+0xa5/0x8c0 [ 432.644541] ? do_raw_spin_unlock+0xa7/0x330 [ 432.648994] fallback_alloc+0x204/0x2e0 [ 432.653027] ____cache_alloc_node+0x1c7/0x1e0 [ 432.657543] kmem_cache_alloc_node+0xe3/0x730 [ 432.662039] ? mark_held_locks+0xc7/0x130 [ 432.666202] __alloc_skb+0x119/0x770 [ 432.669936] ? netdev_alloc_frag+0x1f0/0x1f0 [ 432.674364] ? do_raw_spin_trylock+0x270/0x270 [ 432.678956] ? kmem_cache_alloc_trace+0x353/0x750 [ 432.683812] ? queue_work_on+0x12c/0x1e0 [ 432.687881] ? switchdev_port_obj_del+0xdc/0x440 [ 432.692669] ? switchdev_trans_item_enqueue+0x260/0x260 [ 432.698047] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 432.703103] __br_mdb_notify+0x4ff/0x15d0 [ 432.707257] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 432.712389] ? __br_mdb_add+0x7f0/0x7f0 [ 432.716373] ? mark_held_locks+0x130/0x130 [ 432.720643] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 432.725771] ? debug_object_assert_init+0x368/0x4b0 [ 432.730791] ? debug_object_init_on_stack+0x20/0x20 [ 432.735804] ? zap_class+0x640/0x640 [ 432.739526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.745073] br_mdb_notify+0x310/0x410 [ 432.748982] ? br_mdb_dump+0x27b0/0x27b0 [ 432.753067] br_multicast_del_pg+0x3df/0x790 [ 432.757490] ? br_mdb_ip_get+0x940/0x940 [ 432.761563] ? rwlock_bug.part.2+0x90/0x90 [ 432.765823] ? __lock_is_held+0xb5/0x140 [ 432.769912] br_multicast_port_group_expired+0x189/0x1e0 [ 432.775417] call_timer_fn+0x272/0x920 [ 432.779314] ? br_multicast_del_pg+0x790/0x790 [ 432.783906] ? process_timeout+0x40/0x40 [ 432.787998] ? mark_held_locks+0xc7/0x130 [ 432.792161] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.796664] ? _raw_spin_unlock_irq+0x27/0x80 [ 432.801163] ? br_multicast_del_pg+0x790/0x790 [ 432.805783] ? lockdep_hardirqs_on+0x296/0x5b0 [ 432.810380] ? trace_hardirqs_on+0xbd/0x310 [ 432.814710] ? kasan_check_read+0x11/0x20 [ 432.818868] ? __run_timers+0x7da/0xc70 [ 432.822857] ? trace_hardirqs_off_caller+0x310/0x310 [ 432.827979] ? br_multicast_del_pg+0x790/0x790 [ 432.832607] ? br_multicast_del_pg+0x790/0x790 [ 432.837200] __run_timers+0x7e5/0xc70 [ 432.841030] ? timer_fixup_init+0x70/0x70 [ 432.845196] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 432.850235] ? zap_class+0x640/0x640 [ 432.853968] ? print_usage_bug+0xc0/0xc0 [ 432.858046] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 432.863252] ? find_held_lock+0x36/0x1c0 [ 432.867326] ? zap_class+0x640/0x640 [ 432.871064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.876618] ? check_preemption_disabled+0x48/0x280 [ 432.881659] ? __lock_is_held+0xb5/0x140 [ 432.885736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.891289] ? check_preemption_disabled+0x48/0x280 [ 432.896332] run_timer_softirq+0x52/0xb0 [ 432.900406] ? rcu_read_lock_sched_held+0x14f/0x180 [ 432.905445] __do_softirq+0x308/0xb7e [ 432.909263] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 432.913770] ? lock_downgrade+0x900/0x900 [ 432.917943] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 432.923084] ? pvclock_read_flags+0x160/0x160 [ 432.927602] ? lapic_next_event+0x5a/0x90 [ 432.931770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 432.937333] ? kvm_clock_read+0x18/0x30 [ 432.941343] ? kvm_sched_clock_read+0x9/0x20 [ 432.945780] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 432.951350] ? check_preemption_disabled+0x48/0x280 [ 432.956432] irq_exit+0x17f/0x1c0 [ 432.959920] smp_apic_timer_interrupt+0x1cb/0x760 [ 432.964793] ? smp_reschedule_interrupt+0x109/0x650 [ 432.969844] ? smp_call_function_single_interrupt+0x650/0x650 [ 432.975761] ? interrupt_entry+0xb5/0xc0 [ 432.979850] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.984885] ? trace_hardirqs_off_caller+0xbb/0x310 [ 432.989949] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 432.994813] ? trace_hardirqs_on_caller+0x310/0x310 [ 432.999839] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.004891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.009777] apic_timer_interrupt+0xf/0x20 [ 433.014022] [ 433.016278] RIP: 0010:dump_stack+0x358/0x39d [ 433.020703] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 433.039626] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 433.047365] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 433.054654] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 433.061943] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 433.069236] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 433.076522] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 433.083840] ? dump_stack+0x34f/0x39d [ 433.087693] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.092925] dump_header+0x27b/0xf72 [ 433.096681] ? mark_held_locks+0x130/0x130 [ 433.100936] ? pagefault_out_of_memory+0x197/0x197 [ 433.105894] ? __lock_acquire+0x62f/0x4c20 [ 433.110143] ? zap_class+0x640/0x640 [ 433.113878] ? percpu_ref_get_many+0x240/0x240 [ 433.118480] ? print_usage_bug+0xc0/0xc0 [ 433.122568] ? print_usage_bug+0xc0/0xc0 [ 433.126656] ? zap_class+0x640/0x640 [ 433.130391] ? print_usage_bug+0xc0/0xc0 [ 433.134478] ? print_usage_bug+0xc0/0xc0 [ 433.138577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.144146] ? find_held_lock+0x36/0x1c0 [ 433.148264] ? mark_held_locks+0xc7/0x130 [ 433.152446] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.157576] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 433.162715] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 433.167325] ? trace_hardirqs_on+0xbd/0x310 [ 433.171665] ? kasan_check_read+0x11/0x20 [ 433.175862] ? ___ratelimit+0x3b4/0x672 [ 433.179902] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.185047] ? trace_hardirqs_on+0x310/0x310 [ 433.189491] ? lock_downgrade+0x900/0x900 [ 433.193664] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 433.198783] ? ___ratelimit+0x3b9/0x672 [ 433.202806] ? idr_get_free+0xec0/0xec0 [ 433.206794] ? find_held_lock+0x36/0x1c0 [ 433.210877] oom_kill_process.cold.27+0x10/0x903 [ 433.215640] ? zap_class+0x640/0x640 [ 433.219364] ? check_preemption_disabled+0x48/0x280 [ 433.224405] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.229386] ? kasan_check_read+0x11/0x20 [ 433.233554] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.238852] ? oom_evaluate_task+0x540/0x540 [ 433.243278] ? find_held_lock+0x36/0x1c0 [ 433.247366] ? out_of_memory+0x974/0x1430 [ 433.251528] ? lock_downgrade+0x900/0x900 [ 433.255690] ? check_preemption_disabled+0x48/0x280 [ 433.260748] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.265687] ? kasan_check_read+0x11/0x20 [ 433.269852] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.275152] ? rcu_softirq_qs+0x20/0x20 [ 433.279146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.284706] ? oom_evaluate_task+0x302/0x540 [ 433.289138] out_of_memory+0xa84/0x1430 [ 433.293133] ? oom_killer_disable+0x3a0/0x3a0 [ 433.297639] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 433.302586] ? __mutex_add_waiter+0x2a0/0x2a0 [ 433.307102] __alloc_pages_slowpath+0x22d4/0x2d70 [ 433.311995] ? warn_alloc+0x120/0x120 [ 433.315804] ? rcu_softirq_qs+0x20/0x20 [ 433.319829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.325406] ? should_fail+0x22d/0xd01 [ 433.329323] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 433.334439] ? zap_class+0x640/0x640 [ 433.338187] ? __lock_is_held+0xb5/0x140 [ 433.342275] ? mark_held_locks+0x130/0x130 [ 433.346517] ? lock_release+0xa00/0xa00 [ 433.350506] ? perf_trace_sched_process_exec+0x860/0x860 [ 433.355984] ? __might_sleep+0x95/0x190 [ 433.359979] __alloc_pages_nodemask+0xa80/0xde0 [ 433.364667] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 433.369694] ? __page_cache_alloc+0x191/0x5c0 [ 433.374199] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.379138] ? kasan_check_read+0x11/0x20 [ 433.383297] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.388585] ? zap_class+0x640/0x640 [ 433.392312] ? zap_class+0x640/0x640 [ 433.396029] ? zap_class+0x640/0x640 [ 433.399748] ? __do_page_cache_readahead+0x7ce/0x980 [ 433.404871] ? find_held_lock+0x36/0x1c0 [ 433.408942] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 433.414506] alloc_pages_current+0x173/0x350 [ 433.418935] __page_cache_alloc+0x38c/0x5c0 [ 433.423275] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.428225] ? kasan_check_read+0x11/0x20 [ 433.432397] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.437689] ? generic_perform_write+0x6a0/0x6a0 [ 433.442461] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.448006] ? check_preemption_disabled+0x48/0x280 [ 433.453047] filemap_fault+0x1594/0x25f0 [ 433.457146] ? __lock_page_or_retry+0xa00/0xa00 [ 433.461849] ? mark_held_locks+0x130/0x130 [ 433.466090] ? rcu_softirq_qs+0x20/0x20 [ 433.470120] ? filemap_map_pages+0xe04/0x1990 [ 433.474650] ? __free_object+0x173/0x340 [ 433.478725] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 433.483666] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.488783] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 433.493475] ? debug_object_free+0x32d/0x690 [ 433.497888] ? kasan_check_read+0x11/0x20 [ 433.502045] ? debug_object_destroy+0x2b0/0x2b0 [ 433.506730] ? lock_pi_update_atomic+0x150/0x150 [ 433.511496] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 433.517070] ? __hrtimer_init+0xdb/0x240 [ 433.521156] ? lock_acquire+0x1ed/0x520 [ 433.525159] ? ext4_filemap_fault+0x7a/0xad [ 433.529501] ? lock_release+0xa00/0xa00 [ 433.533484] ? perf_trace_sched_process_exec+0x860/0x860 [ 433.538966] ? print_usage_bug+0xc0/0xc0 [ 433.543094] ? print_usage_bug+0xc0/0xc0 [ 433.547186] ? down_read+0x8d/0x120 [ 433.550822] ? ext4_filemap_fault+0x7a/0xad [ 433.555162] ? __down_interruptible+0x700/0x700 [ 433.559874] ext4_filemap_fault+0x82/0xad [ 433.564045] __do_fault+0x100/0x6b0 [ 433.567697] ? pmd_devmap_trans_unstable+0x220/0x220 [ 433.572827] ? mark_held_locks+0x130/0x130 [ 433.577074] ? mark_held_locks+0x130/0x130 [ 433.581320] ? debug_smp_processor_id+0x1c/0x20 [ 433.585999] ? perf_trace_lock+0x14d/0x7a0 [ 433.590255] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.595809] __handle_mm_fault+0x307c/0x5920 [ 433.600287] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 433.605166] ? lock_is_held_type+0x210/0x210 [ 433.609606] ? zap_class+0x640/0x640 [ 433.613323] ? zap_class+0x640/0x640 [ 433.617044] ? __x64_sys_futex+0x53e/0x6a0 [ 433.621296] ? find_held_lock+0x36/0x1c0 [ 433.625375] ? handle_mm_fault+0x42a/0xc70 [ 433.629621] ? lock_downgrade+0x900/0x900 [ 433.633776] ? check_preemption_disabled+0x48/0x280 [ 433.638813] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 433.643762] ? kasan_check_read+0x11/0x20 [ 433.647932] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 433.653222] ? rcu_softirq_qs+0x20/0x20 [ 433.657205] ? trace_hardirqs_off_caller+0x310/0x310 [ 433.662320] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 433.667877] ? check_preemption_disabled+0x48/0x280 [ 433.672936] handle_mm_fault+0x54f/0xc70 [ 433.677027] ? __handle_mm_fault+0x5920/0x5920 [ 433.681633] ? find_vma+0x34/0x190 [ 433.685193] __do_page_fault+0x5e8/0xe60 [ 433.689272] ? trace_hardirqs_off+0xb8/0x310 [ 433.693691] ? trace_hardirqs_off+0xb8/0x310 [ 433.698143] do_page_fault+0xf2/0x7e0 [ 433.701982] ? vmalloc_sync_all+0x30/0x30 [ 433.706160] ? error_entry+0x70/0xd0 [ 433.709903] ? trace_hardirqs_off_caller+0xbb/0x310 [ 433.714932] ? trace_hardirqs_on_caller+0xc0/0x310 [ 433.719904] ? syscall_return_slowpath+0x5e0/0x5e0 [ 433.725353] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.730214] ? trace_hardirqs_on_caller+0x310/0x310 [ 433.735245] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 433.740703] ? prepare_exit_to_usermode+0x291/0x3b0 [ 433.745729] ? page_fault+0x8/0x30 [ 433.749274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 433.754120] ? page_fault+0x8/0x30 [ 433.757666] page_fault+0x1e/0x30 [ 433.761120] RIP: 0033:0x45ddf3 [ 433.764332] Code: Bad RIP value. [ 433.767699] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 433.773066] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 433.780799] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 433.788071] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 433.795342] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 433.802646] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 433.809963] warn_alloc_show_mem: 1 callbacks suppressed [ 433.809977] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 433.809980] Mem-Info: [ 433.810011] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 433.810011] active_file:13 inactive_file:17 isolated_file:0 [ 433.810011] unevictable:0 dirty:0 writeback:0 unstable:0 [ 433.810011] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 433.810011] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 433.810011] free:13759 free_pcp:161 free_cma:0 [ 433.815394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 433.822452] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 433.824878] Call Trace: [ 433.857876] Node 0 [ 433.867253] [ 433.894985] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 433.897566] dump_stack+0x244/0x39d [ 433.899781] lowmem_reserve[]: [ 433.901945] ? dump_stack_print_info.cold.1+0x20/0x20 [ 433.927469] 0 [ 433.931129] warn_alloc.cold.117+0xb7/0x1bd [ 433.934212] 2819 [ 433.939421] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 433.941223] 6323 [ 433.945563] ? lock_downgrade+0x900/0x900 [ 433.947606] 6323 [ 433.952480] ? trace_hardirqs_off+0xb8/0x310 [ 433.958676] ? trace_hardirqs_off+0xb8/0x310 [ 433.960718] Node 0 [ 433.965171] __alloc_pages_slowpath+0x2660/0x2d70 [ 433.969585] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 433.971849] ? warn_alloc+0x120/0x120 [ 433.976657] lowmem_reserve[]: [ 434.003434] ? warn_alloc+0x120/0x120 [ 434.007227] 0 [ 434.010367] ? print_usage_bug+0xc0/0xc0 [ 434.014146] 0 [ 434.015958] ? warn_alloc+0x120/0x120 [ 434.020001] 3503 3503 [ 434.021827] ? print_usage_bug+0xc0/0xc0 [ 434.028116] ? __lock_acquire+0x62f/0x4c20 [ 434.032169] Node 0 [ 434.036418] ? __lock_acquire+0x62f/0x4c20 [ 434.036450] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 434.036454] lowmem_reserve[]: 0 0 [ 434.038710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 434.042934] 0 [ 434.071256] ? should_fail+0x22d/0xd01 [ 434.074698] 0 [ 434.080260] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.085974] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.087760] Node 0 [ 434.093052] ? __lock_acquire+0x62f/0x4c20 [ 434.098162] DMA: [ 434.100418] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 434.104638] 1*4kB [ 434.106736] ? __lock_acquire+0x62f/0x4c20 [ 434.111846] (U) [ 434.114033] ? should_fail+0x22d/0xd01 [ 434.118257] 0*8kB [ 434.120278] ? rcu_irq_exit+0x1a2/0x390 [ 434.124153] 0*16kB [ 434.126329] ? mark_held_locks+0x130/0x130 [ 434.130285] 1*32kB [ 434.132544] ? mark_held_locks+0x130/0x130 [ 434.136765] (U) [ 434.139060] ? mark_held_locks+0xc7/0x130 [ 434.143284] 2*64kB [ 434.145301] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 434.149435] (U) [ 434.151693] ? zap_class+0x640/0x640 [ 434.156706] 1*128kB [ 434.158706] ? print_usage_bug+0xc0/0xc0 [ 434.162430] (U) [ 434.164794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.168836] 1*256kB (U) [ 434.170870] ? check_preemption_disabled+0x48/0x280 [ 434.176402] 0*512kB [ 434.179098] ? __lock_is_held+0xb5/0x140 [ 434.184095] 1*1024kB [ 434.186432] __alloc_pages_nodemask+0xa80/0xde0 [ 434.190473] (U) [ 434.192898] ? zap_class+0x640/0x640 [ 434.197561] 1*2048kB [ 434.199558] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 434.203271] (M) [ 434.205706] ? find_held_lock+0x36/0x1c0 [ 434.210702] 3*4096kB [ 434.212700] ? ____cache_alloc_node+0x1c7/0x1e0 [ 434.216739] (M) [ 434.219165] ? lock_downgrade+0x900/0x900 [ 434.223812] = 15908kB [ 434.223823] Node 0 [ 434.225824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.229956] DMA32: [ 434.232381] cache_grow_begin+0xa5/0x8c0 [ 434.234599] 5*4kB [ 434.240158] ? do_raw_spin_unlock+0xa7/0x330 [ 434.242376] (UM) [ 434.246466] fallback_alloc+0x204/0x2e0 [ 434.248590] 1*8kB [ 434.253027] ____cache_alloc_node+0x1c7/0x1e0 [ 434.255064] (M) [ 434.259063] kmem_cache_alloc_node+0xe3/0x730 [ 434.261199] 3*16kB [ 434.265734] ? ipv6_get_ifaddr+0x42e/0x620 [ 434.267701] (M) [ 434.272225] __alloc_skb+0x119/0x770 [ 434.274450] 3*32kB [ 434.278735] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.280683] (UM) [ 434.284417] ? netdev_alloc_frag+0x1f0/0x1f0 [ 434.286640] 2*64kB [ 434.291956] ? lock_downgrade+0x900/0x900 [ 434.294010] (M) [ 434.298439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.300658] 2*128kB [ 434.304825] ? refcount_sub_and_test_checked+0x203/0x310 [ 434.306785] (M) [ 434.312349] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 434.314656] 4*256kB [ 434.320133] ? addrconf_rs_timer+0x690/0x690 [ 434.322094] (M) [ 434.327579] ndisc_alloc_skb+0x144/0x340 [ 434.329886] 4*512kB [ 434.334351] ndisc_send_rs+0x331/0x6e0 [ 434.336332] (UM) [ 434.340419] addrconf_rs_timer+0x314/0x690 [ 434.342728] 3*1024kB [ 434.346636] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.348681] (UM) [ 434.352978] call_timer_fn+0x272/0x920 [ 434.355373] 3*2048kB [ 434.359626] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.361669] (M) [ 434.365583] ? process_timeout+0x40/0x40 [ 434.367981] 3*4096kB [ 434.372248] ? __run_timers+0x7da/0xc70 [ 434.374206] (M) [ 434.378320] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.380714] = 25132kB [ 434.384707] ? _raw_spin_unlock_irq+0x27/0x80 [ 434.386665] Node 0 [ 434.391179] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.393583] Normal: [ 434.398103] ? lockdep_hardirqs_on+0x296/0x5b0 [ 434.400355] 951*4kB [ 434.404608] ? trace_hardirqs_on+0xbd/0x310 [ 434.406917] (UMEH) [ 434.411522] ? kasan_check_read+0x11/0x20 [ 434.413833] 234*8kB [ 434.418177] ? __run_timers+0x7da/0xc70 [ 434.420408] (UME) [ 434.424580] ? trace_hardirqs_off_caller+0x310/0x310 [ 434.426891] 222*16kB [ 434.430888] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.433021] (UMEH) [ 434.438150] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 434.440548] 132*32kB [ 434.444816] __run_timers+0x7e5/0xc70 [ 434.447045] (UM) [ 434.451345] ? timer_fixup_init+0x70/0x70 [ 434.453742] 1*64kB [ 434.457571] ? kasan_check_read+0x11/0x20 [ 434.459621] (H) [ 434.463782] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.465998] 0*128kB [ 434.470153] ? rcu_softirq_qs+0x20/0x20 [ 434.472110] 0*256kB [ 434.477408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.479714] 1*512kB [ 434.483703] ? check_preemption_disabled+0x48/0x280 [ 434.486017] (H) [ 434.491583] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.493889] 0*1024kB [ 434.498951] ? retint_kernel+0x2d/0x2d [ 434.500943] 0*2048kB [ 434.505715] ? trace_hardirqs_on_caller+0xc0/0x310 [ 434.508114] 0*4096kB [ 434.512020] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 434.514416] = 14028kB [ 434.519399] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 434.521801] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 434.526568] ? zap_class+0x640/0x640 [ 434.528979] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 434.534540] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.543375] 4244 total pagecache pages [ 434.547115] ? check_preemption_disabled+0x48/0x280 [ 434.555691] 0 pages in swap cache [ 434.561269] ? __lock_is_held+0xb5/0x140 [ 434.565145] Swap cache stats: add 0, delete 0, find 0/0 [ 434.570191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.573649] Free swap = 0kB [ 434.577737] ? check_preemption_disabled+0x48/0x280 [ 434.583096] Total swap = 0kB [ 434.588666] run_timer_softirq+0x52/0xb0 [ 434.591678] 1965979 pages RAM [ 434.596727] ? rcu_read_lock_sched_held+0x14f/0x180 [ 434.599743] 0 pages HighMem/MovableOnly [ 434.603830] __do_softirq+0x308/0xb7e [ 434.606925] 342293 pages reserved [ 434.611970] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 434.616288] 0 pages cma reserved [ 434.620125] ? lock_downgrade+0x900/0x900 [ 434.623766] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 434.628099] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 434.631465] syz-fuzzer cpuset= [ 434.635645] ? pvclock_read_flags+0x160/0x160 [ 434.645866] / [ 434.651008] ? lapic_next_event+0x5a/0x90 [ 434.654211] mems_allowed=0 [ 434.659343] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.673705] ? kvm_clock_read+0x18/0x30 [ 434.677721] ? kvm_sched_clock_read+0x9/0x20 [ 434.682207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.687784] ? check_preemption_disabled+0x48/0x280 [ 434.692912] irq_exit+0x17f/0x1c0 [ 434.696420] smp_apic_timer_interrupt+0x1cb/0x760 [ 434.701293] ? smp_reschedule_interrupt+0x109/0x650 [ 434.706341] ? smp_call_function_single_interrupt+0x650/0x650 [ 434.712254] ? interrupt_entry+0xb5/0xc0 [ 434.716365] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.721414] ? trace_hardirqs_off_caller+0xbb/0x310 [ 434.726525] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.731409] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.736463] ? trace_hardirqs_on_caller+0x310/0x310 [ 434.741513] ? task_prio+0x50/0x50 [ 434.745097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.750656] ? check_preemption_disabled+0x48/0x280 [ 434.755697] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 434.760585] apic_timer_interrupt+0xf/0x20 [ 434.764847] [ 434.767156] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 434.772122] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 434.791050] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 434.798783] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 434.806081] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 434.813371] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 434.820690] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 434.827990] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 434.835362] skb_clone+0x1bb/0x500 [ 434.838943] ? finish_task_switch+0x2f4/0x910 [ 434.843484] ? skb_split+0x11e0/0x11e0 [ 434.847436] ? preempt_notifier_register+0x200/0x200 [ 434.852576] ? __switch_to_asm+0x34/0x70 [ 434.856667] ? __switch_to_asm+0x34/0x70 [ 434.860746] ? __switch_to_asm+0x40/0x70 [ 434.864827] ? __switch_to_asm+0x34/0x70 [ 434.868907] ? __switch_to_asm+0x40/0x70 [ 434.872994] ? __switch_to_asm+0x34/0x70 [ 434.877064] ? __switch_to_asm+0x40/0x70 [ 434.881148] ? __switch_to_asm+0x34/0x70 [ 434.885222] ? __switch_to_asm+0x34/0x70 [ 434.889295] ? __switch_to_asm+0x40/0x70 [ 434.893369] ? __switch_to_asm+0x34/0x70 [ 434.897458] bpf_clone_redirect+0xb9/0x490 [ 434.901727] ? __schedule+0x8d7/0x21d0 [ 434.905640] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 434.910678] ? __sched_text_start+0x8/0x8 [ 434.914853] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 434.919465] ? find_held_lock+0x36/0x1c0 [ 434.923560] ? lock_acquire+0x1ed/0x520 [ 434.927548] ? bpf_test_run+0x3cb/0x780 [ 434.931539] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 434.937105] ? check_preemption_disabled+0x48/0x280 [ 434.942144] ? kasan_check_read+0x11/0x20 [ 434.946308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 434.951609] ? rcu_softirq_qs+0x20/0x20 [ 434.955626] ? preempt_schedule+0x4d/0x60 [ 434.959792] ? ___preempt_schedule+0x16/0x18 [ 434.964232] ? bpf_test_run+0x25d/0x780 [ 434.968235] ? netlink_diag_dump+0x2a0/0x2a0 [ 434.972662] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 434.977434] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 434.982224] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 434.987089] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 434.992643] ? fput+0x130/0x1a0 [ 434.995947] ? __bpf_prog_get+0x9b/0x290 [ 435.000025] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 435.004884] ? bpf_prog_test_run+0x130/0x1a0 [ 435.009314] ? __x64_sys_bpf+0x3d8/0x520 [ 435.013394] ? bpf_prog_get+0x20/0x20 [ 435.017239] ? do_syscall_64+0x1b9/0x820 [ 435.021434] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 435.026827] ? syscall_return_slowpath+0x5e0/0x5e0 [ 435.031773] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.036647] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.041696] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 435.046739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.052316] ? prepare_exit_to_usermode+0x291/0x3b0 [ 435.057361] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.062239] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 435.067652] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 435.067758] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 435.074352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 435.081017] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 435.090226] Call Trace: [ 435.100716] syz-executor3 cpuset= [ 435.103314] [ 435.103317] syz3 mems_allowed=0 [ 435.106800] dump_stack+0x244/0x39d [ 435.115938] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.121183] warn_alloc.cold.117+0xb7/0x1bd [ 435.125537] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 435.130421] ? lock_downgrade+0x900/0x900 [ 435.134626] ? trace_hardirqs_off+0xb8/0x310 [ 435.139070] ? trace_hardirqs_off+0xb8/0x310 [ 435.143538] __alloc_pages_slowpath+0x2660/0x2d70 [ 435.148418] ? warn_alloc+0x120/0x120 [ 435.152229] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.157246] ? warn_alloc+0x120/0x120 [ 435.161054] ? print_usage_bug+0xc0/0xc0 [ 435.165144] ? warn_alloc+0x120/0x120 [ 435.168973] ? print_usage_bug+0xc0/0xc0 [ 435.173047] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.178258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.183806] ? should_fail+0x22d/0xd01 [ 435.187705] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.192813] ? __lock_acquire+0x62f/0x4c20 [ 435.197060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.202166] ? should_fail+0x22d/0xd01 [ 435.206073] ? mark_held_locks+0x130/0x130 [ 435.210337] ? mark_held_locks+0x130/0x130 [ 435.214572] ? print_usage_bug+0xc0/0xc0 [ 435.218652] ? find_held_lock+0x36/0x1c0 [ 435.222715] ? zap_class+0x640/0x640 [ 435.226443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.231986] ? check_preemption_disabled+0x48/0x280 [ 435.237017] ? __lock_is_held+0xb5/0x140 [ 435.241090] __alloc_pages_nodemask+0xa80/0xde0 [ 435.245768] ? zap_class+0x640/0x640 [ 435.249492] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 435.254528] ? find_held_lock+0x36/0x1c0 [ 435.258604] ? ____cache_alloc_node+0x1c7/0x1e0 [ 435.263279] ? lock_downgrade+0x900/0x900 [ 435.267442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.272992] cache_grow_begin+0xa5/0x8c0 [ 435.277061] ? do_raw_spin_unlock+0xa7/0x330 [ 435.281511] fallback_alloc+0x204/0x2e0 [ 435.285499] ____cache_alloc_node+0x1c7/0x1e0 [ 435.290013] kmem_cache_alloc_node+0xe3/0x730 [ 435.294516] ? mark_held_locks+0xc7/0x130 [ 435.298687] __alloc_skb+0x119/0x770 [ 435.302417] ? netdev_alloc_frag+0x1f0/0x1f0 [ 435.306833] ? do_raw_spin_trylock+0x270/0x270 [ 435.311424] ? kmem_cache_alloc_trace+0x353/0x750 [ 435.316289] ? queue_work_on+0x12c/0x1e0 [ 435.320391] ? switchdev_port_obj_del+0xdc/0x440 [ 435.325164] ? switchdev_trans_item_enqueue+0x260/0x260 [ 435.330544] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 435.335588] __br_mdb_notify+0x4ff/0x15d0 [ 435.339744] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.344872] ? __br_mdb_add+0x7f0/0x7f0 [ 435.348864] ? mark_held_locks+0x130/0x130 [ 435.353114] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.358225] ? debug_object_assert_init+0x368/0x4b0 [ 435.363267] ? debug_object_init_on_stack+0x20/0x20 [ 435.368298] ? zap_class+0x640/0x640 [ 435.372025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.377574] br_mdb_notify+0x310/0x410 [ 435.381477] ? br_mdb_dump+0x27b0/0x27b0 [ 435.385589] br_multicast_del_pg+0x3df/0x790 [ 435.390008] ? br_mdb_ip_get+0x940/0x940 [ 435.394077] ? rwlock_bug.part.2+0x90/0x90 [ 435.398322] ? __lock_is_held+0xb5/0x140 [ 435.402400] br_multicast_port_group_expired+0x189/0x1e0 [ 435.407861] call_timer_fn+0x272/0x920 [ 435.411752] ? br_multicast_del_pg+0x790/0x790 [ 435.416339] ? process_timeout+0x40/0x40 [ 435.420413] ? mark_held_locks+0xc7/0x130 [ 435.424567] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.429066] ? _raw_spin_unlock_irq+0x27/0x80 [ 435.433567] ? br_multicast_del_pg+0x790/0x790 [ 435.438159] ? lockdep_hardirqs_on+0x296/0x5b0 [ 435.442757] ? trace_hardirqs_on+0xbd/0x310 [ 435.447080] ? kasan_check_read+0x11/0x20 [ 435.451258] ? __run_timers+0x7da/0xc70 [ 435.455236] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.460350] ? br_multicast_del_pg+0x790/0x790 [ 435.464941] ? br_multicast_del_pg+0x790/0x790 [ 435.469531] __run_timers+0x7e5/0xc70 [ 435.473356] ? timer_fixup_init+0x70/0x70 [ 435.477515] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 435.482552] ? zap_class+0x640/0x640 [ 435.486287] ? print_usage_bug+0xc0/0xc0 [ 435.490356] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 435.495566] ? find_held_lock+0x36/0x1c0 [ 435.499638] ? zap_class+0x640/0x640 [ 435.503374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.508915] ? check_preemption_disabled+0x48/0x280 [ 435.513947] ? __lock_is_held+0xb5/0x140 [ 435.518028] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.523626] ? check_preemption_disabled+0x48/0x280 [ 435.528698] run_timer_softirq+0x52/0xb0 [ 435.532789] ? rcu_read_lock_sched_held+0x14f/0x180 [ 435.537823] __do_softirq+0x308/0xb7e [ 435.541637] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 435.546136] ? lock_downgrade+0x900/0x900 [ 435.550308] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 435.555432] ? pvclock_read_flags+0x160/0x160 [ 435.559934] ? lapic_next_event+0x5a/0x90 [ 435.564095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.569645] ? kvm_clock_read+0x18/0x30 [ 435.573632] ? kvm_sched_clock_read+0x9/0x20 [ 435.578046] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.583601] ? check_preemption_disabled+0x48/0x280 [ 435.588640] irq_exit+0x17f/0x1c0 [ 435.592107] smp_apic_timer_interrupt+0x1cb/0x760 [ 435.596974] ? smp_reschedule_interrupt+0x109/0x650 [ 435.602039] ? smp_call_function_single_interrupt+0x650/0x650 [ 435.607931] ? interrupt_entry+0xb5/0xc0 [ 435.612002] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.617016] ? trace_hardirqs_off_caller+0xbb/0x310 [ 435.622046] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.626895] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.631910] ? trace_hardirqs_on_caller+0x310/0x310 [ 435.636942] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 435.641808] apic_timer_interrupt+0xf/0x20 [ 435.646043] [ 435.648287] RIP: 0010:dump_stack+0x358/0x39d [ 435.652704] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 435.671613] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 435.679333] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 435.686609] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 435.693880] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 435.701145] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 435.708418] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 435.715734] ? dump_stack+0x34f/0x39d [ 435.719571] ? dump_stack_print_info.cold.1+0x20/0x20 [ 435.725261] dump_header+0x27b/0xf72 [ 435.729001] ? mark_held_locks+0x130/0x130 [ 435.733242] ? pagefault_out_of_memory+0x197/0x197 [ 435.738219] ? __lock_acquire+0x62f/0x4c20 [ 435.742454] ? zap_class+0x640/0x640 [ 435.746194] ? percpu_ref_get_many+0x240/0x240 [ 435.750778] ? print_usage_bug+0xc0/0xc0 [ 435.754852] ? print_usage_bug+0xc0/0xc0 [ 435.758922] ? zap_class+0x640/0x640 [ 435.762654] ? print_usage_bug+0xc0/0xc0 [ 435.766727] ? print_usage_bug+0xc0/0xc0 [ 435.770813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 435.776362] ? find_held_lock+0x36/0x1c0 [ 435.780442] ? mark_held_locks+0xc7/0x130 [ 435.784604] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.789716] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 435.794845] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 435.799439] ? trace_hardirqs_on+0xbd/0x310 [ 435.803769] ? kasan_check_read+0x11/0x20 [ 435.807930] ? ___ratelimit+0x3b4/0x672 [ 435.811923] ? trace_hardirqs_off_caller+0x310/0x310 [ 435.817047] ? trace_hardirqs_on+0x310/0x310 [ 435.821466] ? lock_downgrade+0x900/0x900 [ 435.825628] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 435.830746] ? ___ratelimit+0x3b9/0x672 [ 435.834752] ? idr_get_free+0xec0/0xec0 [ 435.838734] ? find_held_lock+0x36/0x1c0 [ 435.842838] oom_kill_process.cold.27+0x10/0x903 [ 435.847613] ? zap_class+0x640/0x640 [ 435.851335] ? check_preemption_disabled+0x48/0x280 [ 435.856368] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 435.861301] ? kasan_check_read+0x11/0x20 [ 435.865449] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.870793] ? oom_evaluate_task+0x540/0x540 [ 435.875229] ? find_held_lock+0x36/0x1c0 [ 435.879316] ? out_of_memory+0x974/0x1430 [ 435.883472] ? lock_downgrade+0x900/0x900 [ 435.887623] ? check_preemption_disabled+0x48/0x280 [ 435.892654] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 435.897589] ? kasan_check_read+0x11/0x20 [ 435.901747] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 435.907031] ? rcu_softirq_qs+0x20/0x20 [ 435.911030] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.916578] ? oom_evaluate_task+0x302/0x540 [ 435.921004] out_of_memory+0xa84/0x1430 [ 435.925004] ? oom_killer_disable+0x3a0/0x3a0 [ 435.929508] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 435.934451] ? __mutex_add_waiter+0x2a0/0x2a0 [ 435.938980] __alloc_pages_slowpath+0x22d4/0x2d70 [ 435.943871] ? warn_alloc+0x120/0x120 [ 435.947679] ? rcu_softirq_qs+0x20/0x20 [ 435.951707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 435.957262] ? should_fail+0x22d/0xd01 [ 435.961169] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 435.966290] ? zap_class+0x640/0x640 [ 435.970041] ? __lock_is_held+0xb5/0x140 [ 435.974143] ? mark_held_locks+0x130/0x130 [ 435.978391] ? lock_release+0xa00/0xa00 [ 435.982370] ? perf_trace_sched_process_exec+0x860/0x860 [ 435.987838] ? __might_sleep+0x95/0x190 [ 435.991820] __alloc_pages_nodemask+0xa80/0xde0 [ 435.996514] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 436.001542] ? __page_cache_alloc+0x191/0x5c0 [ 436.006044] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.010989] ? kasan_check_read+0x11/0x20 [ 436.015145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.020440] ? zap_class+0x640/0x640 [ 436.024193] ? zap_class+0x640/0x640 [ 436.027934] ? zap_class+0x640/0x640 [ 436.031658] ? __do_page_cache_readahead+0x7ce/0x980 [ 436.036770] ? find_held_lock+0x36/0x1c0 [ 436.040849] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 436.046427] alloc_pages_current+0x173/0x350 [ 436.050851] __page_cache_alloc+0x38c/0x5c0 [ 436.055183] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.060141] ? kasan_check_read+0x11/0x20 [ 436.064308] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.069593] ? generic_perform_write+0x6a0/0x6a0 [ 436.074374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.079948] ? check_preemption_disabled+0x48/0x280 [ 436.084989] filemap_fault+0x1594/0x25f0 [ 436.089069] ? __lock_page_or_retry+0xa00/0xa00 [ 436.093747] ? mark_held_locks+0x130/0x130 [ 436.097994] ? rcu_softirq_qs+0x20/0x20 [ 436.101993] ? filemap_map_pages+0xe04/0x1990 [ 436.106517] ? __free_object+0x173/0x340 [ 436.110590] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 436.115544] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.120656] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 436.125343] ? debug_object_free+0x32d/0x690 [ 436.129757] ? kasan_check_read+0x11/0x20 [ 436.133913] ? debug_object_destroy+0x2b0/0x2b0 [ 436.138594] ? lock_pi_update_atomic+0x150/0x150 [ 436.143354] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.148908] ? __hrtimer_init+0xdb/0x240 [ 436.152997] ? lock_acquire+0x1ed/0x520 [ 436.156989] ? ext4_filemap_fault+0x7a/0xad [ 436.161324] ? lock_release+0xa00/0xa00 [ 436.165304] ? perf_trace_sched_process_exec+0x860/0x860 [ 436.170762] ? print_usage_bug+0xc0/0xc0 [ 436.174839] ? print_usage_bug+0xc0/0xc0 [ 436.178917] ? down_read+0x8d/0x120 [ 436.182570] ? ext4_filemap_fault+0x7a/0xad [ 436.186900] ? __down_interruptible+0x700/0x700 [ 436.191581] ext4_filemap_fault+0x82/0xad [ 436.195736] __do_fault+0x100/0x6b0 [ 436.199371] ? pmd_devmap_trans_unstable+0x220/0x220 [ 436.204485] ? mark_held_locks+0x130/0x130 [ 436.208726] ? mark_held_locks+0x130/0x130 [ 436.212976] ? debug_smp_processor_id+0x1c/0x20 [ 436.217646] ? perf_trace_lock+0x14d/0x7a0 [ 436.221891] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.227446] __handle_mm_fault+0x307c/0x5920 [ 436.231876] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 436.236724] ? lock_is_held_type+0x210/0x210 [ 436.241161] ? zap_class+0x640/0x640 [ 436.244885] ? zap_class+0x640/0x640 [ 436.248608] ? __x64_sys_futex+0x53e/0x6a0 [ 436.252853] ? find_held_lock+0x36/0x1c0 [ 436.256930] ? handle_mm_fault+0x42a/0xc70 [ 436.261179] ? lock_downgrade+0x900/0x900 [ 436.265341] ? check_preemption_disabled+0x48/0x280 [ 436.270374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 436.275318] ? kasan_check_read+0x11/0x20 [ 436.279470] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.284752] ? rcu_softirq_qs+0x20/0x20 [ 436.288740] ? trace_hardirqs_off_caller+0x310/0x310 [ 436.293853] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.299400] ? check_preemption_disabled+0x48/0x280 [ 436.304429] handle_mm_fault+0x54f/0xc70 [ 436.308503] ? __handle_mm_fault+0x5920/0x5920 [ 436.313117] ? find_vma+0x34/0x190 [ 436.316677] __do_page_fault+0x5e8/0xe60 [ 436.320746] ? trace_hardirqs_off+0xb8/0x310 [ 436.325161] ? trace_hardirqs_off+0xb8/0x310 [ 436.329611] do_page_fault+0xf2/0x7e0 [ 436.333423] ? vmalloc_sync_all+0x30/0x30 [ 436.337587] ? error_entry+0x70/0xd0 [ 436.341308] ? trace_hardirqs_off_caller+0xbb/0x310 [ 436.346356] ? trace_hardirqs_on_caller+0xc0/0x310 [ 436.351292] ? syscall_return_slowpath+0x5e0/0x5e0 [ 436.356228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.361084] ? trace_hardirqs_on_caller+0x310/0x310 [ 436.366109] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 436.371574] ? prepare_exit_to_usermode+0x291/0x3b0 [ 436.376600] ? page_fault+0x8/0x30 [ 436.380166] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 436.385042] ? page_fault+0x8/0x30 [ 436.388604] page_fault+0x1e/0x30 [ 436.392079] RIP: 0033:0x45ddf3 [ 436.395301] Code: Bad RIP value. [ 436.398663] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 436.404030] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 436.411316] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 436.418592] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 436.425872] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 436.433155] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 436.440477] warn_alloc_show_mem: 1 callbacks suppressed [ 436.440489] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 436.440492] Mem-Info: [ 436.440524] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 436.440524] active_file:13 inactive_file:17 isolated_file:0 [ 436.440524] unevictable:0 dirty:0 writeback:0 unstable:0 [ 436.440524] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 436.440524] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 436.440524] free:13759 free_pcp:161 free_cma:0 [ 436.445907] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 436.452935] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 436.455345] Call Trace: [ 436.488319] Node 0 [ 436.497680] [ 436.525379] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 436.527963] dump_stack+0x244/0x39d [ 436.530176] lowmem_reserve[]: [ 436.532335] ? dump_stack_print_info.cold.1+0x20/0x20 [ 436.557823] 0 [ 436.561497] warn_alloc.cold.117+0xb7/0x1bd [ 436.564569] 2819 [ 436.569765] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 436.571547] 6323 [ 436.575868] ? lock_downgrade+0x900/0x900 [ 436.577913] 6323 [ 436.582769] ? trace_hardirqs_off+0xb8/0x310 [ 436.584815] Node 0 [ 436.588981] ? trace_hardirqs_off+0xb8/0x310 [ 436.591059] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 436.595461] __alloc_pages_slowpath+0x2660/0x2d70 [ 436.597660] lowmem_reserve[]: 0 [ 436.602110] ? warn_alloc+0x120/0x120 [ 436.629025] 0 [ 436.633914] ? warn_alloc+0x120/0x120 [ 436.637166] 3503 [ 436.641009] ? print_usage_bug+0xc0/0xc0 [ 436.642800] 3503 [ 436.646604] ? warn_alloc+0x120/0x120 [ 436.648650] Node 0 [ 436.652715] ? print_usage_bug+0xc0/0xc0 [ 436.654781] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 436.658560] ? __lock_acquire+0x62f/0x4c20 [ 436.660782] lowmem_reserve[]: [ 436.664850] ? __lock_acquire+0x62f/0x4c20 [ 436.693120] 0 [ 436.697362] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 436.700445] 0 [ 436.704689] ? should_fail+0x22d/0xd01 [ 436.706471] 0 [ 436.712003] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.712023] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.713805] 0 [ 436.717696] ? __lock_acquire+0x62f/0x4c20 [ 436.724761] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 436.729841] Node 0 [ 436.731642] ? __lock_acquire+0x62f/0x4c20 [ 436.735892] DMA: [ 436.741029] ? should_fail+0x22d/0xd01 [ 436.743261] 1*4kB [ 436.747510] ? rcu_irq_exit+0x1a2/0x390 [ 436.749549] (U) [ 436.753445] ? mark_held_locks+0x130/0x130 [ 436.755571] 0*8kB [ 436.759553] ? mark_held_locks+0x130/0x130 [ 436.761519] 0*16kB [ 436.765767] ? mark_held_locks+0xc7/0x130 [ 436.767899] 1*32kB [ 436.772138] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 436.774349] (U) [ 436.778494] ? zap_class+0x640/0x640 [ 436.780713] 2*64kB [ 436.785737] ? print_usage_bug+0xc0/0xc0 [ 436.787692] (U) [ 436.791413] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.793657] 1*128kB [ 436.797725] ? check_preemption_disabled+0x48/0x280 [ 436.799686] (U) [ 436.805257] ? __lock_is_held+0xb5/0x140 [ 436.807554] 1*256kB [ 436.812575] __alloc_pages_nodemask+0xa80/0xde0 [ 436.814528] (U) [ 436.818616] ? zap_class+0x640/0x640 [ 436.820940] 0*512kB [ 436.825628] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 436.827588] 1*1024kB [ 436.831334] ? find_held_lock+0x36/0x1c0 [ 436.833636] (U) [ 436.838664] ? ____cache_alloc_node+0x1c7/0x1e0 [ 436.841047] 1*2048kB [ 436.845114] ? lock_downgrade+0x900/0x900 [ 436.847078] (M) [ 436.851756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.854154] 3*4096kB [ 436.858301] cache_grow_begin+0xa5/0x8c0 [ 436.860255] (M) [ 436.865819] ? do_raw_spin_unlock+0xa7/0x330 [ 436.868211] = 15908kB [ 436.872273] fallback_alloc+0x204/0x2e0 [ 436.874224] Node 0 [ 436.878637] ____cache_alloc_node+0x1c7/0x1e0 [ 436.881027] DMA32: [ 436.885006] kmem_cache_alloc_node+0xe3/0x730 [ 436.887221] 5*4kB [ 436.891717] ? ipv6_get_ifaddr+0x42e/0x620 [ 436.893934] (UM) [ 436.898439] __alloc_skb+0x119/0x770 [ 436.900567] 1*8kB [ 436.904808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 436.906847] (M) [ 436.910569] ? netdev_alloc_frag+0x1f0/0x1f0 [ 436.912701] 3*16kB [ 436.917984] ? lock_downgrade+0x900/0x900 [ 436.919961] (M) 3*32kB [ 436.924387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 436.926599] (UM) [ 436.930751] ? refcount_sub_and_test_checked+0x203/0x310 [ 436.933318] 2*64kB [ 436.938859] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 436.940902] (M) [ 436.946360] ? addrconf_rs_timer+0x690/0x690 [ 436.948592] 2*128kB [ 436.954058] ndisc_alloc_skb+0x144/0x340 [ 436.956016] (M) [ 436.960429] ndisc_send_rs+0x331/0x6e0 [ 436.962732] 4*256kB (M) [ 436.966806] addrconf_rs_timer+0x314/0x690 [ 436.968763] 4*512kB [ 436.972649] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.975309] (UM) [ 436.979552] call_timer_fn+0x272/0x920 [ 436.981843] 3*1024kB [ 436.986073] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 436.988113] (UM) [ 436.992022] ? process_timeout+0x40/0x40 [ 436.994412] 3*2048kB [ 436.998650] ? __run_timers+0x7da/0xc70 [ 437.000685] (M) [ 437.004746] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.007149] 3*4096kB [ 437.011143] ? _raw_spin_unlock_irq+0x27/0x80 [ 437.013116] (M) [ 437.017604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.019997] = 25132kB [ 437.024490] ? lockdep_hardirqs_on+0x296/0x5b0 [ 437.026448] Node 0 [ 437.030686] ? trace_hardirqs_on+0xbd/0x310 [ 437.033085] Normal: 951*4kB [ 437.037675] ? kasan_check_read+0x11/0x20 [ 437.039899] (UMEH) [ 437.044223] ? __run_timers+0x7da/0xc70 [ 437.047223] 234*8kB [ 437.051366] ? trace_hardirqs_off_caller+0x310/0x310 [ 437.053580] (UME) [ 437.057565] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.059872] 222*16kB [ 437.064972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 437.067105] (UMEH) [ 437.071335] __run_timers+0x7e5/0xc70 [ 437.073721] 132*32kB (UM) [ 437.077976] ? timer_fixup_init+0x70/0x70 [ 437.080209] 1*64kB [ 437.084017] ? kasan_check_read+0x11/0x20 [ 437.086850] (H) [ 437.090994] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.093201] 0*128kB 0*256kB [ 437.097378] ? rcu_softirq_qs+0x20/0x20 [ 437.099349] 1*512kB [ 437.104620] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.107619] (H) [ 437.111602] ? check_preemption_disabled+0x48/0x280 [ 437.113900] 0*1024kB 0*2048kB [ 437.119466] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.121416] 0*4096kB [ 437.126429] ? retint_kernel+0x2d/0x2d [ 437.129612] = 14028kB [ 437.134372] ? trace_hardirqs_on_caller+0xc0/0x310 [ 437.136770] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 437.140649] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 437.143046] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 437.147978] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 437.156795] 4244 total pagecache pages [ 437.161548] ? zap_class+0x640/0x640 [ 437.170113] 0 pages in swap cache [ 437.175555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.179426] Swap cache stats: add 0, delete 0, find 0/0 [ 437.183134] ? check_preemption_disabled+0x48/0x280 [ 437.186566] Free swap = 0kB [ 437.192104] ? __lock_is_held+0xb5/0x140 [ 437.197440] Total swap = 0kB [ 437.202467] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.205456] 1965979 pages RAM [ 437.205465] 0 pages HighMem/MovableOnly [ 437.209525] ? check_preemption_disabled+0x48/0x280 [ 437.212528] 342293 pages reserved [ 437.218064] run_timer_softirq+0x52/0xb0 [ 437.221158] 0 pages cma reserved [ 437.225124] ? rcu_read_lock_sched_held+0x14f/0x180 [ 437.230295] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.233567] __do_softirq+0x308/0xb7e [ 437.237620] syz-fuzzer cpuset= [ 437.240982] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 437.245980] / [ 437.256206] ? lock_downgrade+0x900/0x900 [ 437.259987] mems_allowed=0 [ 437.263180] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 437.281508] ? pvclock_read_flags+0x160/0x160 [ 437.286008] ? lapic_next_event+0x5a/0x90 [ 437.290157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.295707] ? kvm_clock_read+0x18/0x30 [ 437.299684] ? kvm_sched_clock_read+0x9/0x20 [ 437.304096] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.309638] ? check_preemption_disabled+0x48/0x280 [ 437.314669] irq_exit+0x17f/0x1c0 [ 437.318126] smp_apic_timer_interrupt+0x1cb/0x760 [ 437.322980] ? smp_reschedule_interrupt+0x109/0x650 [ 437.328002] ? smp_call_function_single_interrupt+0x650/0x650 [ 437.333891] ? interrupt_entry+0xb5/0xc0 [ 437.337959] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.342976] ? trace_hardirqs_off_caller+0xbb/0x310 [ 437.348017] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.352889] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.357922] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.362938] ? task_prio+0x50/0x50 [ 437.366490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.372028] ? check_preemption_disabled+0x48/0x280 [ 437.377054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.381912] apic_timer_interrupt+0xf/0x20 [ 437.386140] [ 437.388393] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 437.393326] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 437.412225] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 437.419934] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 437.427211] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 437.434483] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 437.441763] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 437.449029] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 437.456361] skb_clone+0x1bb/0x500 [ 437.459902] ? finish_task_switch+0x2f4/0x910 [ 437.464398] ? skb_split+0x11e0/0x11e0 [ 437.468285] ? preempt_notifier_register+0x200/0x200 [ 437.473390] ? __switch_to_asm+0x34/0x70 [ 437.477492] ? __switch_to_asm+0x34/0x70 [ 437.481551] ? __switch_to_asm+0x40/0x70 [ 437.485624] ? __switch_to_asm+0x34/0x70 [ 437.489688] ? __switch_to_asm+0x40/0x70 [ 437.493750] ? __switch_to_asm+0x34/0x70 [ 437.497832] ? __switch_to_asm+0x40/0x70 [ 437.501905] ? __switch_to_asm+0x34/0x70 [ 437.505968] ? __switch_to_asm+0x34/0x70 [ 437.510046] ? __switch_to_asm+0x40/0x70 [ 437.514129] ? __switch_to_asm+0x34/0x70 [ 437.518208] bpf_clone_redirect+0xb9/0x490 [ 437.522476] ? __schedule+0x8d7/0x21d0 [ 437.526374] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 437.531398] ? __sched_text_start+0x8/0x8 [ 437.535557] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 437.540144] ? find_held_lock+0x36/0x1c0 [ 437.544236] ? lock_acquire+0x1ed/0x520 [ 437.548223] ? bpf_test_run+0x3cb/0x780 [ 437.552233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.557772] ? check_preemption_disabled+0x48/0x280 [ 437.562813] ? kasan_check_read+0x11/0x20 [ 437.566963] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 437.572241] ? rcu_softirq_qs+0x20/0x20 [ 437.576234] ? preempt_schedule+0x4d/0x60 [ 437.580389] ? ___preempt_schedule+0x16/0x18 [ 437.584828] ? bpf_test_run+0x25d/0x780 [ 437.588832] ? netlink_diag_dump+0x2a0/0x2a0 [ 437.593262] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 437.598025] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 437.602792] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 437.607636] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 437.613180] ? fput+0x130/0x1a0 [ 437.616481] ? __bpf_prog_get+0x9b/0x290 [ 437.620549] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 437.625398] ? bpf_prog_test_run+0x130/0x1a0 [ 437.629814] ? __x64_sys_bpf+0x3d8/0x520 [ 437.633882] ? bpf_prog_get+0x20/0x20 [ 437.637706] ? do_syscall_64+0x1b9/0x820 [ 437.641773] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 437.647138] ? syscall_return_slowpath+0x5e0/0x5e0 [ 437.652065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.656909] ? trace_hardirqs_on_caller+0x310/0x310 [ 437.661926] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 437.666940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.672483] ? prepare_exit_to_usermode+0x291/0x3b0 [ 437.677509] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 437.682364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 437.687749] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 437.687834] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 437.694428] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 437.694437] Call Trace: [ 437.701032] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 437.710280] [ 437.712858] syz-executor3 cpuset= [ 437.723845] dump_stack+0x244/0x39d [ 437.725976] syz3 [ 437.729432] ? dump_stack_print_info.cold.1+0x20/0x20 [ 437.733054] mems_allowed=0 [ 437.735052] warn_alloc.cold.117+0xb7/0x1bd [ 437.747464] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 437.752321] ? lock_downgrade+0x900/0x900 [ 437.756478] ? trace_hardirqs_off+0xb8/0x310 [ 437.760894] ? trace_hardirqs_off+0xb8/0x310 [ 437.765314] __alloc_pages_slowpath+0x2660/0x2d70 [ 437.770197] ? warn_alloc+0x120/0x120 [ 437.774000] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 437.779483] ? warn_alloc+0x120/0x120 [ 437.783306] ? print_usage_bug+0xc0/0xc0 [ 437.787371] ? warn_alloc+0x120/0x120 [ 437.791173] ? print_usage_bug+0xc0/0xc0 [ 437.795249] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 437.800453] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 437.805995] ? should_fail+0x22d/0xd01 [ 437.809889] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.815025] ? __lock_acquire+0x62f/0x4c20 [ 437.819277] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 437.824393] ? should_fail+0x22d/0xd01 [ 437.828290] ? mark_held_locks+0x130/0x130 [ 437.832531] ? mark_held_locks+0x130/0x130 [ 437.837480] ? print_usage_bug+0xc0/0xc0 [ 437.841551] ? find_held_lock+0x36/0x1c0 [ 437.845614] ? zap_class+0x640/0x640 [ 437.849337] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.854877] ? check_preemption_disabled+0x48/0x280 [ 437.859924] ? __lock_is_held+0xb5/0x140 [ 437.864014] __alloc_pages_nodemask+0xa80/0xde0 [ 437.868686] ? zap_class+0x640/0x640 [ 437.872402] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 437.877431] ? find_held_lock+0x36/0x1c0 [ 437.881506] ? ____cache_alloc_node+0x1c7/0x1e0 [ 437.886180] ? lock_downgrade+0x900/0x900 [ 437.890347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 437.895891] cache_grow_begin+0xa5/0x8c0 [ 437.899959] ? do_raw_spin_unlock+0xa7/0x330 [ 437.904386] fallback_alloc+0x204/0x2e0 [ 437.908369] ____cache_alloc_node+0x1c7/0x1e0 [ 437.912872] kmem_cache_alloc_node+0xe3/0x730 [ 437.917369] ? mark_held_locks+0xc7/0x130 [ 437.921531] __alloc_skb+0x119/0x770 [ 437.925265] ? netdev_alloc_frag+0x1f0/0x1f0 [ 437.929674] ? do_raw_spin_trylock+0x270/0x270 [ 437.934266] ? kmem_cache_alloc_trace+0x353/0x750 [ 437.939118] ? queue_work_on+0x12c/0x1e0 [ 437.943197] ? switchdev_port_obj_del+0xdc/0x440 [ 437.947961] ? switchdev_trans_item_enqueue+0x260/0x260 [ 437.953354] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 437.958396] __br_mdb_notify+0x4ff/0x15d0 [ 437.962548] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 437.967669] ? __br_mdb_add+0x7f0/0x7f0 [ 437.971649] ? mark_held_locks+0x130/0x130 [ 437.975895] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 437.981003] ? debug_object_assert_init+0x368/0x4b0 [ 437.986024] ? debug_object_init_on_stack+0x20/0x20 [ 437.991038] ? zap_class+0x640/0x640 [ 437.994781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.000330] br_mdb_notify+0x310/0x410 [ 438.004228] ? br_mdb_dump+0x27b0/0x27b0 [ 438.008316] br_multicast_del_pg+0x3df/0x790 [ 438.012734] ? br_mdb_ip_get+0x940/0x940 [ 438.016804] ? rwlock_bug.part.2+0x90/0x90 [ 438.021047] ? __lock_is_held+0xb5/0x140 [ 438.025118] br_multicast_port_group_expired+0x189/0x1e0 [ 438.030578] call_timer_fn+0x272/0x920 [ 438.034465] ? br_multicast_del_pg+0x790/0x790 [ 438.039052] ? process_timeout+0x40/0x40 [ 438.043154] ? mark_held_locks+0xc7/0x130 [ 438.047327] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.051826] ? _raw_spin_unlock_irq+0x27/0x80 [ 438.056342] ? br_multicast_del_pg+0x790/0x790 [ 438.060980] ? lockdep_hardirqs_on+0x296/0x5b0 [ 438.065565] ? trace_hardirqs_on+0xbd/0x310 [ 438.069886] ? kasan_check_read+0x11/0x20 [ 438.074036] ? __run_timers+0x7da/0xc70 [ 438.078012] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.083123] ? br_multicast_del_pg+0x790/0x790 [ 438.087714] ? br_multicast_del_pg+0x790/0x790 [ 438.092298] __run_timers+0x7e5/0xc70 [ 438.096117] ? timer_fixup_init+0x70/0x70 [ 438.100281] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 438.105297] ? zap_class+0x640/0x640 [ 438.109021] ? print_usage_bug+0xc0/0xc0 [ 438.113094] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 438.118297] ? find_held_lock+0x36/0x1c0 [ 438.122368] ? zap_class+0x640/0x640 [ 438.126088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.131627] ? check_preemption_disabled+0x48/0x280 [ 438.136656] ? __lock_is_held+0xb5/0x140 [ 438.140721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.146259] ? check_preemption_disabled+0x48/0x280 [ 438.151283] run_timer_softirq+0x52/0xb0 [ 438.155342] ? rcu_read_lock_sched_held+0x14f/0x180 [ 438.160361] __do_softirq+0x308/0xb7e [ 438.164168] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 438.168682] ? lock_downgrade+0x900/0x900 [ 438.172836] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 438.177960] ? pvclock_read_flags+0x160/0x160 [ 438.182461] ? lapic_next_event+0x5a/0x90 [ 438.186625] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.192171] ? kvm_clock_read+0x18/0x30 [ 438.196151] ? kvm_sched_clock_read+0x9/0x20 [ 438.200586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.206122] ? check_preemption_disabled+0x48/0x280 [ 438.211151] irq_exit+0x17f/0x1c0 [ 438.214605] smp_apic_timer_interrupt+0x1cb/0x760 [ 438.219446] ? smp_reschedule_interrupt+0x109/0x650 [ 438.224478] ? smp_call_function_single_interrupt+0x650/0x650 [ 438.230366] ? interrupt_entry+0xb5/0xc0 [ 438.234433] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.239450] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.244473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.249318] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.254357] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.259390] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.264247] apic_timer_interrupt+0xf/0x20 [ 438.268476] [ 438.270719] RIP: 0010:dump_stack+0x358/0x39d [ 438.275153] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 438.294068] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 438.301776] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 438.309043] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 438.316340] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 438.323696] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 438.330971] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 438.338289] ? dump_stack+0x34f/0x39d [ 438.342123] ? dump_stack_print_info.cold.1+0x20/0x20 [ 438.347342] dump_header+0x27b/0xf72 [ 438.351071] ? mark_held_locks+0x130/0x130 [ 438.355314] ? pagefault_out_of_memory+0x197/0x197 [ 438.360255] ? __lock_acquire+0x62f/0x4c20 [ 438.364490] ? zap_class+0x640/0x640 [ 438.368213] ? percpu_ref_get_many+0x240/0x240 [ 438.372813] ? print_usage_bug+0xc0/0xc0 [ 438.376892] ? print_usage_bug+0xc0/0xc0 [ 438.380968] ? zap_class+0x640/0x640 [ 438.384688] ? print_usage_bug+0xc0/0xc0 [ 438.388748] ? print_usage_bug+0xc0/0xc0 [ 438.392816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.398364] ? find_held_lock+0x36/0x1c0 [ 438.402442] ? mark_held_locks+0xc7/0x130 [ 438.406595] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.411724] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 438.416846] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 438.421436] ? trace_hardirqs_on+0xbd/0x310 [ 438.425757] ? kasan_check_read+0x11/0x20 [ 438.429911] ? ___ratelimit+0x3b4/0x672 [ 438.433890] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.439004] ? trace_hardirqs_on+0x310/0x310 [ 438.443417] ? lock_downgrade+0x900/0x900 [ 438.447584] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 438.452694] ? ___ratelimit+0x3b9/0x672 [ 438.456676] ? idr_get_free+0xec0/0xec0 [ 438.460653] ? find_held_lock+0x36/0x1c0 [ 438.464730] oom_kill_process.cold.27+0x10/0x903 [ 438.469489] ? zap_class+0x640/0x640 [ 438.473211] ? check_preemption_disabled+0x48/0x280 [ 438.478241] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.483170] ? kasan_check_read+0x11/0x20 [ 438.487327] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.492621] ? oom_evaluate_task+0x540/0x540 [ 438.497031] ? find_held_lock+0x36/0x1c0 [ 438.501107] ? out_of_memory+0x974/0x1430 [ 438.505262] ? lock_downgrade+0x900/0x900 [ 438.509408] ? check_preemption_disabled+0x48/0x280 [ 438.514431] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.519362] ? kasan_check_read+0x11/0x20 [ 438.523524] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.528808] ? rcu_softirq_qs+0x20/0x20 [ 438.532788] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.538330] ? oom_evaluate_task+0x302/0x540 [ 438.542750] out_of_memory+0xa84/0x1430 [ 438.546744] ? oom_killer_disable+0x3a0/0x3a0 [ 438.551240] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 438.556171] ? __mutex_add_waiter+0x2a0/0x2a0 [ 438.560690] __alloc_pages_slowpath+0x22d4/0x2d70 [ 438.565572] ? warn_alloc+0x120/0x120 [ 438.569377] ? rcu_softirq_qs+0x20/0x20 [ 438.573387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.578929] ? should_fail+0x22d/0xd01 [ 438.582838] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 438.587947] ? zap_class+0x640/0x640 [ 438.591696] ? __lock_is_held+0xb5/0x140 [ 438.595772] ? mark_held_locks+0x130/0x130 [ 438.600013] ? lock_release+0xa00/0xa00 [ 438.604009] ? perf_trace_sched_process_exec+0x860/0x860 [ 438.609475] ? __might_sleep+0x95/0x190 [ 438.613455] __alloc_pages_nodemask+0xa80/0xde0 [ 438.618282] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 438.623306] ? __page_cache_alloc+0x191/0x5c0 [ 438.627801] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.632731] ? kasan_check_read+0x11/0x20 [ 438.636881] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.642164] ? zap_class+0x640/0x640 [ 438.645886] ? zap_class+0x640/0x640 [ 438.649611] ? zap_class+0x640/0x640 [ 438.653332] ? __do_page_cache_readahead+0x7ce/0x980 [ 438.658440] ? find_held_lock+0x36/0x1c0 [ 438.662510] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 438.668059] alloc_pages_current+0x173/0x350 [ 438.672474] __page_cache_alloc+0x38c/0x5c0 [ 438.676798] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.681731] ? kasan_check_read+0x11/0x20 [ 438.685884] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.691168] ? generic_perform_write+0x6a0/0x6a0 [ 438.695923] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.701480] ? check_preemption_disabled+0x48/0x280 [ 438.706521] filemap_fault+0x1594/0x25f0 [ 438.710598] ? __lock_page_or_retry+0xa00/0xa00 [ 438.715268] ? mark_held_locks+0x130/0x130 [ 438.719501] ? rcu_softirq_qs+0x20/0x20 [ 438.723939] ? filemap_map_pages+0xe04/0x1990 [ 438.728466] ? __free_object+0x173/0x340 [ 438.732559] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 438.737490] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.742604] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 438.747290] ? debug_object_free+0x32d/0x690 [ 438.751699] ? kasan_check_read+0x11/0x20 [ 438.755848] ? debug_object_destroy+0x2b0/0x2b0 [ 438.760517] ? lock_pi_update_atomic+0x150/0x150 [ 438.765272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 438.770824] ? __hrtimer_init+0xdb/0x240 [ 438.774897] ? lock_acquire+0x1ed/0x520 [ 438.778872] ? ext4_filemap_fault+0x7a/0xad [ 438.783209] ? lock_release+0xa00/0xa00 [ 438.787198] ? perf_trace_sched_process_exec+0x860/0x860 [ 438.792676] ? print_usage_bug+0xc0/0xc0 [ 438.796755] ? print_usage_bug+0xc0/0xc0 [ 438.800857] ? down_read+0x8d/0x120 [ 438.804486] ? ext4_filemap_fault+0x7a/0xad [ 438.808808] ? __down_interruptible+0x700/0x700 [ 438.813491] ext4_filemap_fault+0x82/0xad [ 438.817653] __do_fault+0x100/0x6b0 [ 438.821289] ? pmd_devmap_trans_unstable+0x220/0x220 [ 438.826395] ? mark_held_locks+0x130/0x130 [ 438.830635] ? mark_held_locks+0x130/0x130 [ 438.834874] ? debug_smp_processor_id+0x1c/0x20 [ 438.839541] ? perf_trace_lock+0x14d/0x7a0 [ 438.843802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.849349] __handle_mm_fault+0x307c/0x5920 [ 438.853768] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 438.858611] ? lock_is_held_type+0x210/0x210 [ 438.863053] ? zap_class+0x640/0x640 [ 438.866783] ? zap_class+0x640/0x640 [ 438.870501] ? __x64_sys_futex+0x53e/0x6a0 [ 438.874743] ? find_held_lock+0x36/0x1c0 [ 438.878815] ? handle_mm_fault+0x42a/0xc70 [ 438.883055] ? lock_downgrade+0x900/0x900 [ 438.887208] ? check_preemption_disabled+0x48/0x280 [ 438.892235] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 438.897167] ? kasan_check_read+0x11/0x20 [ 438.901326] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 438.906607] ? rcu_softirq_qs+0x20/0x20 [ 438.910582] ? trace_hardirqs_off_caller+0x310/0x310 [ 438.915698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 438.921238] ? check_preemption_disabled+0x48/0x280 [ 438.926268] handle_mm_fault+0x54f/0xc70 [ 438.930334] ? __handle_mm_fault+0x5920/0x5920 [ 438.934935] ? find_vma+0x34/0x190 [ 438.938489] __do_page_fault+0x5e8/0xe60 [ 438.942561] ? trace_hardirqs_off+0xb8/0x310 [ 438.946971] ? trace_hardirqs_off+0xb8/0x310 [ 438.951433] do_page_fault+0xf2/0x7e0 [ 438.955262] ? vmalloc_sync_all+0x30/0x30 [ 438.959442] ? error_entry+0x70/0xd0 [ 438.963177] ? trace_hardirqs_off_caller+0xbb/0x310 [ 438.968206] ? trace_hardirqs_on_caller+0xc0/0x310 [ 438.973162] ? syscall_return_slowpath+0x5e0/0x5e0 [ 438.978098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 438.982963] ? trace_hardirqs_on_caller+0x310/0x310 [ 438.987992] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 438.993452] ? prepare_exit_to_usermode+0x291/0x3b0 [ 438.998485] ? page_fault+0x8/0x30 [ 439.002040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.006899] ? page_fault+0x8/0x30 [ 439.010458] page_fault+0x1e/0x30 [ 439.013913] RIP: 0033:0x45ddf3 [ 439.017121] Code: Bad RIP value. [ 439.020481] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 439.025845] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 439.033118] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 439.040381] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 439.047645] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 439.054909] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 439.062213] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 439.062219] warn_alloc_show_mem: 1 callbacks suppressed [ 439.062225] Mem-Info: [ 439.069273] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 439.074647] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 439.074647] active_file:13 inactive_file:17 isolated_file:0 [ 439.074647] unevictable:0 dirty:0 writeback:0 unstable:0 [ 439.074647] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 439.074647] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 439.074647] free:13759 free_pcp:161 free_cma:0 [ 439.077024] Call Trace: [ 439.086417] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 439.119353] [ 439.121924] Node 0 [ 439.149593] dump_stack+0x244/0x39d [ 439.151757] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 439.153974] ? dump_stack_print_info.cold.1+0x20/0x20 [ 439.157588] lowmem_reserve[]: [ 439.183097] warn_alloc.cold.117+0xb7/0x1bd [ 439.188259] 0 [ 439.191363] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 439.195664] 2819 [ 439.197468] ? lock_downgrade+0x900/0x900 [ 439.202286] 6323 [ 439.204353] ? trace_hardirqs_off+0xb8/0x310 [ 439.208474] 6323 [ 439.210533] ? trace_hardirqs_off+0xb8/0x310 [ 439.216983] __alloc_pages_slowpath+0x2660/0x2d70 [ 439.221384] Node 0 DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 439.226265] ? warn_alloc+0x120/0x120 [ 439.226284] ? warn_alloc+0x120/0x120 [ 439.253586] lowmem_reserve[]: [ 439.257387] ? print_usage_bug+0xc0/0xc0 [ 439.261169] 0 [ 439.264268] ? warn_alloc+0x120/0x120 [ 439.268308] 0 [ 439.270111] ? print_usage_bug+0xc0/0xc0 [ 439.273893] 3503 [ 439.275693] ? __lock_acquire+0x62f/0x4c20 [ 439.279735] 3503 [ 439.281794] ? __lock_acquire+0x62f/0x4c20 [ 439.286009] Node 0 [ 439.288071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 439.292313] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 439.294526] ? should_fail+0x22d/0xd01 [ 439.300037] lowmem_reserve[]: [ 439.328320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.332183] 0 [ 439.335287] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.340538] 0 [ 439.342341] ? __lock_acquire+0x62f/0x4c20 [ 439.347437] 0 [ 439.349250] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 439.353469] 0 [ 439.355281] ? __lock_acquire+0x62f/0x4c20 [ 439.360366] Node 0 [ 439.362164] ? should_fail+0x22d/0xd01 [ 439.366374] DMA: [ 439.368613] ? rcu_irq_exit+0x1a2/0x390 [ 439.372476] 1*4kB [ 439.374540] ? mark_held_locks+0x130/0x130 [ 439.378488] (U) [ 439.380636] ? mark_held_locks+0x130/0x130 [ 439.384848] 0*8kB [ 439.386838] ? mark_held_locks+0xc7/0x130 [ 439.391050] 0*16kB [ 439.393210] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 439.397358] 1*32kB [ 439.399590] ? zap_class+0x640/0x640 [ 439.404584] (U) [ 439.406816] ? print_usage_bug+0xc0/0xc0 [ 439.410509] 2*64kB [ 439.412491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.416543] (U) [ 439.418779] ? check_preemption_disabled+0x48/0x280 [ 439.424313] 1*128kB [ 439.426296] ? __lock_is_held+0xb5/0x140 [ 439.431283] (U) [ 439.433609] __alloc_pages_nodemask+0xa80/0xde0 [ 439.437643] 1*256kB [ 439.439609] ? zap_class+0x640/0x640 [ 439.444271] (U) [ 439.446592] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 439.450283] 0*512kB [ 439.452274] ? find_held_lock+0x36/0x1c0 [ 439.457277] 1*1024kB [ 439.459601] ? ____cache_alloc_node+0x1c7/0x1e0 [ 439.463633] (U) [ 439.466040] ? lock_downgrade+0x900/0x900 [ 439.470689] 1*2048kB [ 439.472691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.476816] (M) [ 439.479226] cache_grow_begin+0xa5/0x8c0 [ 439.484740] 3*4096kB [ 439.486713] ? do_raw_spin_unlock+0xa7/0x330 [ 439.490751] (M) [ 439.493166] fallback_alloc+0x204/0x2e0 [ 439.497554] = 15908kB [ 439.499530] ____cache_alloc_node+0x1c7/0x1e0 [ 439.503499] Node 0 [ 439.505911] kmem_cache_alloc_node+0xe3/0x730 [ 439.510412] DMA32: [ 439.512647] ? ipv6_get_ifaddr+0x42e/0x620 [ 439.517124] 5*4kB [ 439.519366] __alloc_skb+0x119/0x770 [ 439.523570] (UM) [ 439.525722] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.529409] 1*8kB [ 439.531477] ? netdev_alloc_frag+0x1f0/0x1f0 [ 439.536731] (M) [ 439.538882] ? lock_downgrade+0x900/0x900 [ 439.543308] 3*16kB [ 439.545299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.549419] (M) [ 439.551659] ? refcount_sub_and_test_checked+0x203/0x310 [ 439.557174] 3*32kB [ 439.559148] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 439.564570] (UM) 2*64kB [ 439.566814] ? addrconf_rs_timer+0x690/0x690 [ 439.572238] (M) 2*128kB [ 439.574928] ndisc_alloc_skb+0x144/0x340 [ 439.579303] (M) 4*256kB [ 439.581987] ndisc_send_rs+0x331/0x6e0 [ 439.586032] (M) 4*512kB [ 439.588752] addrconf_rs_timer+0x314/0x690 [ 439.592614] (UM) [ 439.595311] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.599518] 3*1024kB (UM) [ 439.601602] call_timer_fn+0x272/0x920 [ 439.605799] 3*2048kB (M) [ 439.608663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.612527] 3*4096kB (M) [ 439.615294] ? process_timeout+0x40/0x40 [ 439.619508] = 25132kB [ 439.622270] ? __run_timers+0x7da/0xc70 [ 439.626306] Node 0 [ 439.628720] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.632670] Normal: [ 439.634902] ? _raw_spin_unlock_irq+0x27/0x80 [ 439.639376] 951*4kB [ 439.641694] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.646167] (UMEH) [ 439.648489] ? lockdep_hardirqs_on+0x296/0x5b0 [ 439.652705] 234*8kB [ 439.654939] ? trace_hardirqs_on+0xbd/0x310 [ 439.659520] (UME) [ 439.661846] ? kasan_check_read+0x11/0x20 [ 439.666149] 222*16kB [ 439.668298] ? __run_timers+0x7da/0xc70 [ 439.672428] (UMEH) [ 439.674843] ? trace_hardirqs_off_caller+0x310/0x310 [ 439.678789] 132*32kB (UM) [ 439.681036] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.686114] 1*64kB [ 439.688958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 439.693174] (H) [ 439.695407] __run_timers+0x7e5/0xc70 [ 439.699634] 0*128kB [ 439.701619] ? timer_fixup_init+0x70/0x70 [ 439.705393] 0*256kB [ 439.707714] ? kasan_check_read+0x11/0x20 [ 439.711839] 1*512kB [ 439.714170] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 439.718293] (H) [ 439.720618] ? rcu_softirq_qs+0x20/0x20 [ 439.726354] 0*1024kB 0*2048kB [ 439.728338] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.732305] 0*4096kB [ 439.735532] ? check_preemption_disabled+0x48/0x280 [ 439.741045] = 14028kB [ 439.743462] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 439.748456] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 439.750889] ? retint_kernel+0x2d/0x2d [ 439.755642] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 439.764494] ? trace_hardirqs_on_caller+0xc0/0x310 [ 439.768362] 4244 total pagecache pages [ 439.776931] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 439.781846] 0 pages in swap cache [ 439.785724] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 439.790466] Swap cache stats: add 0, delete 0, find 0/0 [ 439.790476] Free swap = 0kB [ 439.793922] ? zap_class+0x640/0x640 [ 439.799366] Total swap = 0kB [ 439.804727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.807725] 1965979 pages RAM [ 439.811438] ? check_preemption_disabled+0x48/0x280 [ 439.814431] 0 pages HighMem/MovableOnly [ 439.814440] 342293 pages reserved [ 439.819984] ? __lock_is_held+0xb5/0x140 [ 439.823062] 0 pages cma reserved [ 439.823266] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 439.828087] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.832045] syz-fuzzer cpuset= [ 439.835507] ? check_preemption_disabled+0x48/0x280 [ 439.839550] / [ 439.842931] run_timer_softirq+0x52/0xb0 [ 439.853132] mems_allowed=0 [ 439.858667] ? rcu_read_lock_sched_held+0x14f/0x180 [ 439.880542] __do_softirq+0x308/0xb7e [ 439.884348] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 439.888842] ? lock_downgrade+0x900/0x900 [ 439.892996] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 439.898111] ? pvclock_read_flags+0x160/0x160 [ 439.902609] ? lapic_next_event+0x5a/0x90 [ 439.906760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.912311] ? kvm_clock_read+0x18/0x30 [ 439.916290] ? kvm_sched_clock_read+0x9/0x20 [ 439.920706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.926244] ? check_preemption_disabled+0x48/0x280 [ 439.931278] irq_exit+0x17f/0x1c0 [ 439.934737] smp_apic_timer_interrupt+0x1cb/0x760 [ 439.939582] ? smp_reschedule_interrupt+0x109/0x650 [ 439.944607] ? smp_call_function_single_interrupt+0x650/0x650 [ 439.950492] ? interrupt_entry+0xb5/0xc0 [ 439.954559] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.959572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 439.964593] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.969436] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.974457] ? trace_hardirqs_on_caller+0x310/0x310 [ 439.979481] ? task_prio+0x50/0x50 [ 439.983023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 439.988563] ? check_preemption_disabled+0x48/0x280 [ 439.993585] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 439.998440] apic_timer_interrupt+0xf/0x20 [ 440.002675] [ 440.004915] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 440.009873] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 440.028785] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 440.036493] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 440.043760] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 440.051033] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 440.058301] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 440.065567] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 440.072887] skb_clone+0x1bb/0x500 [ 440.076440] ? finish_task_switch+0x2f4/0x910 [ 440.080958] ? skb_split+0x11e0/0x11e0 [ 440.084872] ? preempt_notifier_register+0x200/0x200 [ 440.089979] ? __switch_to_asm+0x34/0x70 [ 440.094044] ? __switch_to_asm+0x34/0x70 [ 440.098106] ? __switch_to_asm+0x40/0x70 [ 440.102166] ? __switch_to_asm+0x34/0x70 [ 440.106228] ? __switch_to_asm+0x40/0x70 [ 440.110310] ? __switch_to_asm+0x34/0x70 [ 440.114374] ? __switch_to_asm+0x40/0x70 [ 440.118437] ? __switch_to_asm+0x34/0x70 [ 440.122506] ? __switch_to_asm+0x34/0x70 [ 440.126570] ? __switch_to_asm+0x40/0x70 [ 440.130633] ? __switch_to_asm+0x34/0x70 [ 440.134713] bpf_clone_redirect+0xb9/0x490 [ 440.138950] ? __schedule+0x8d7/0x21d0 [ 440.142851] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 440.147876] ? __sched_text_start+0x8/0x8 [ 440.152037] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 440.156628] ? find_held_lock+0x36/0x1c0 [ 440.160703] ? lock_acquire+0x1ed/0x520 [ 440.164677] ? bpf_test_run+0x3cb/0x780 [ 440.168654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.174189] ? check_preemption_disabled+0x48/0x280 [ 440.179235] ? kasan_check_read+0x11/0x20 [ 440.183421] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 440.188714] ? rcu_softirq_qs+0x20/0x20 [ 440.192702] ? preempt_schedule+0x4d/0x60 [ 440.196855] ? ___preempt_schedule+0x16/0x18 [ 440.201277] ? bpf_test_run+0x25d/0x780 [ 440.205261] ? netlink_diag_dump+0x2a0/0x2a0 [ 440.209676] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 440.214440] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 440.219213] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.224059] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 440.229600] ? fput+0x130/0x1a0 [ 440.232888] ? __bpf_prog_get+0x9b/0x290 [ 440.236978] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 440.241821] ? bpf_prog_test_run+0x130/0x1a0 [ 440.246237] ? __x64_sys_bpf+0x3d8/0x520 [ 440.250301] ? bpf_prog_get+0x20/0x20 [ 440.254121] ? do_syscall_64+0x1b9/0x820 [ 440.258181] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 440.263560] ? syscall_return_slowpath+0x5e0/0x5e0 [ 440.268487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.273337] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.278358] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 440.283376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.288915] ? prepare_exit_to_usermode+0x291/0x3b0 [ 440.293939] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.298800] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 440.304199] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 440.304280] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 440.310876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 440.310882] Call Trace: [ 440.310888] [ 440.310906] dump_stack+0x244/0x39d [ 440.310926] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.317505] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 440.326769] warn_alloc.cold.117+0xb7/0x1bd [ 440.329325] syz-executor3 cpuset= [ 440.331474] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 440.335083] syz3 [ 440.340274] ? lock_downgrade+0x900/0x900 [ 440.350743] mems_allowed=0 [ 440.355062] ? trace_hardirqs_off+0xb8/0x310 [ 440.376800] ? trace_hardirqs_off+0xb8/0x310 [ 440.381228] __alloc_pages_slowpath+0x2660/0x2d70 [ 440.386106] ? warn_alloc+0x120/0x120 [ 440.389914] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.394947] ? warn_alloc+0x120/0x120 [ 440.398759] ? print_usage_bug+0xc0/0xc0 [ 440.402826] ? warn_alloc+0x120/0x120 [ 440.406628] ? print_usage_bug+0xc0/0xc0 [ 440.410693] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.415896] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.421528] ? should_fail+0x22d/0xd01 [ 440.425427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.430532] ? __lock_acquire+0x62f/0x4c20 [ 440.434772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 440.439875] ? should_fail+0x22d/0xd01 [ 440.443776] ? mark_held_locks+0x130/0x130 [ 440.448016] ? mark_held_locks+0x130/0x130 [ 440.452249] ? print_usage_bug+0xc0/0xc0 [ 440.456317] ? find_held_lock+0x36/0x1c0 [ 440.460382] ? zap_class+0x640/0x640 [ 440.464106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.469647] ? check_preemption_disabled+0x48/0x280 [ 440.474673] ? __lock_is_held+0xb5/0x140 [ 440.478743] __alloc_pages_nodemask+0xa80/0xde0 [ 440.483412] ? zap_class+0x640/0x640 [ 440.487132] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 440.492163] ? find_held_lock+0x36/0x1c0 [ 440.496249] ? ____cache_alloc_node+0x1c7/0x1e0 [ 440.500925] ? lock_downgrade+0x900/0x900 [ 440.505085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.510632] cache_grow_begin+0xa5/0x8c0 [ 440.514697] ? do_raw_spin_unlock+0xa7/0x330 [ 440.519116] fallback_alloc+0x204/0x2e0 [ 440.523100] ____cache_alloc_node+0x1c7/0x1e0 [ 440.527605] kmem_cache_alloc_node+0xe3/0x730 [ 440.532098] ? mark_held_locks+0xc7/0x130 [ 440.536269] __alloc_skb+0x119/0x770 [ 440.539993] ? netdev_alloc_frag+0x1f0/0x1f0 [ 440.544402] ? do_raw_spin_trylock+0x270/0x270 [ 440.548985] ? kmem_cache_alloc_trace+0x353/0x750 [ 440.553857] ? queue_work_on+0x12c/0x1e0 [ 440.557933] ? switchdev_port_obj_del+0xdc/0x440 [ 440.562697] ? switchdev_trans_item_enqueue+0x260/0x260 [ 440.568073] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 440.573111] __br_mdb_notify+0x4ff/0x15d0 [ 440.577272] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 440.582391] ? __br_mdb_add+0x7f0/0x7f0 [ 440.586370] ? mark_held_locks+0x130/0x130 [ 440.590614] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 440.595720] ? debug_object_assert_init+0x368/0x4b0 [ 440.600739] ? debug_object_init_on_stack+0x20/0x20 [ 440.605753] ? zap_class+0x640/0x640 [ 440.609470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.615246] br_mdb_notify+0x310/0x410 [ 440.619147] ? br_mdb_dump+0x27b0/0x27b0 [ 440.623242] br_multicast_del_pg+0x3df/0x790 [ 440.627717] ? br_mdb_ip_get+0x940/0x940 [ 440.631784] ? rwlock_bug.part.2+0x90/0x90 [ 440.636026] ? __lock_is_held+0xb5/0x140 [ 440.640097] br_multicast_port_group_expired+0x189/0x1e0 [ 440.645560] call_timer_fn+0x272/0x920 [ 440.649447] ? br_multicast_del_pg+0x790/0x790 [ 440.654031] ? process_timeout+0x40/0x40 [ 440.658104] ? mark_held_locks+0xc7/0x130 [ 440.662254] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.666753] ? _raw_spin_unlock_irq+0x27/0x80 [ 440.671252] ? br_multicast_del_pg+0x790/0x790 [ 440.675848] ? lockdep_hardirqs_on+0x296/0x5b0 [ 440.680449] ? trace_hardirqs_on+0xbd/0x310 [ 440.684777] ? kasan_check_read+0x11/0x20 [ 440.688960] ? __run_timers+0x7da/0xc70 [ 440.692947] ? trace_hardirqs_off_caller+0x310/0x310 [ 440.698076] ? br_multicast_del_pg+0x790/0x790 [ 440.702665] ? br_multicast_del_pg+0x790/0x790 [ 440.707259] __run_timers+0x7e5/0xc70 [ 440.711072] ? timer_fixup_init+0x70/0x70 [ 440.715236] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 440.720269] ? zap_class+0x640/0x640 [ 440.724005] ? print_usage_bug+0xc0/0xc0 [ 440.728075] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 440.733272] ? find_held_lock+0x36/0x1c0 [ 440.737369] ? zap_class+0x640/0x640 [ 440.741091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.746629] ? check_preemption_disabled+0x48/0x280 [ 440.751659] ? __lock_is_held+0xb5/0x140 [ 440.755722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.761260] ? check_preemption_disabled+0x48/0x280 [ 440.766282] run_timer_softirq+0x52/0xb0 [ 440.770358] ? rcu_read_lock_sched_held+0x14f/0x180 [ 440.775376] __do_softirq+0x308/0xb7e [ 440.779180] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 440.783675] ? lock_downgrade+0x900/0x900 [ 440.787829] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 440.792964] ? pvclock_read_flags+0x160/0x160 [ 440.797465] ? lapic_next_event+0x5a/0x90 [ 440.801619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 440.807165] ? kvm_clock_read+0x18/0x30 [ 440.811155] ? kvm_sched_clock_read+0x9/0x20 [ 440.815566] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 440.821101] ? check_preemption_disabled+0x48/0x280 [ 440.826129] irq_exit+0x17f/0x1c0 [ 440.829586] smp_apic_timer_interrupt+0x1cb/0x760 [ 440.834439] ? smp_reschedule_interrupt+0x109/0x650 [ 440.839460] ? smp_call_function_single_interrupt+0x650/0x650 [ 440.845355] ? interrupt_entry+0xb5/0xc0 [ 440.849430] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.854444] ? trace_hardirqs_off_caller+0xbb/0x310 [ 440.859464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.864308] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.869324] ? trace_hardirqs_on_caller+0x310/0x310 [ 440.874366] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 440.879224] apic_timer_interrupt+0xf/0x20 [ 440.883453] [ 440.885695] RIP: 0010:dump_stack+0x358/0x39d [ 440.890112] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 440.909009] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 440.916717] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 440.923985] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 440.931254] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 440.938521] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 440.945788] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 440.953098] ? dump_stack+0x34f/0x39d [ 440.956915] ? dump_stack_print_info.cold.1+0x20/0x20 [ 440.962134] dump_header+0x27b/0xf72 [ 440.965892] ? mark_held_locks+0x130/0x130 [ 440.970138] ? pagefault_out_of_memory+0x197/0x197 [ 440.975071] ? __lock_acquire+0x62f/0x4c20 [ 440.979320] ? zap_class+0x640/0x640 [ 440.983035] ? percpu_ref_get_many+0x240/0x240 [ 440.987625] ? print_usage_bug+0xc0/0xc0 [ 440.991686] ? print_usage_bug+0xc0/0xc0 [ 440.995753] ? zap_class+0x640/0x640 [ 440.999470] ? print_usage_bug+0xc0/0xc0 [ 441.003532] ? print_usage_bug+0xc0/0xc0 [ 441.007607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.013157] ? find_held_lock+0x36/0x1c0 [ 441.017236] ? mark_held_locks+0xc7/0x130 [ 441.021392] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.026500] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 441.031630] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 441.036218] ? trace_hardirqs_on+0xbd/0x310 [ 441.040541] ? kasan_check_read+0x11/0x20 [ 441.044690] ? ___ratelimit+0x3b4/0x672 [ 441.048670] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.053772] ? trace_hardirqs_on+0x310/0x310 [ 441.058183] ? lock_downgrade+0x900/0x900 [ 441.062344] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 441.067453] ? ___ratelimit+0x3b9/0x672 [ 441.071433] ? idr_get_free+0xec0/0xec0 [ 441.075414] ? find_held_lock+0x36/0x1c0 [ 441.079495] oom_kill_process.cold.27+0x10/0x903 [ 441.084251] ? zap_class+0x640/0x640 [ 441.087984] ? check_preemption_disabled+0x48/0x280 [ 441.093007] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.097933] ? kasan_check_read+0x11/0x20 [ 441.102087] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.107368] ? oom_evaluate_task+0x540/0x540 [ 441.111785] ? find_held_lock+0x36/0x1c0 [ 441.115858] ? out_of_memory+0x974/0x1430 [ 441.120009] ? lock_downgrade+0x900/0x900 [ 441.124157] ? check_preemption_disabled+0x48/0x280 [ 441.129181] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.134110] ? kasan_check_read+0x11/0x20 [ 441.138272] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.143562] ? rcu_softirq_qs+0x20/0x20 [ 441.147557] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.153094] ? oom_evaluate_task+0x302/0x540 [ 441.157524] out_of_memory+0xa84/0x1430 [ 441.161536] ? oom_killer_disable+0x3a0/0x3a0 [ 441.166047] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 441.170984] ? __mutex_add_waiter+0x2a0/0x2a0 [ 441.175496] __alloc_pages_slowpath+0x22d4/0x2d70 [ 441.180385] ? warn_alloc+0x120/0x120 [ 441.184186] ? rcu_softirq_qs+0x20/0x20 [ 441.188192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.193732] ? should_fail+0x22d/0xd01 [ 441.197629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.202774] ? zap_class+0x640/0x640 [ 441.206522] ? __lock_is_held+0xb5/0x140 [ 441.210604] ? mark_held_locks+0x130/0x130 [ 441.214846] ? lock_release+0xa00/0xa00 [ 441.218830] ? perf_trace_sched_process_exec+0x860/0x860 [ 441.224301] ? __might_sleep+0x95/0x190 [ 441.228280] __alloc_pages_nodemask+0xa80/0xde0 [ 441.232964] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 441.237990] ? __page_cache_alloc+0x191/0x5c0 [ 441.242490] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.247417] ? kasan_check_read+0x11/0x20 [ 441.251577] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.256855] ? zap_class+0x640/0x640 [ 441.260578] ? zap_class+0x640/0x640 [ 441.264290] ? zap_class+0x640/0x640 [ 441.268006] ? __do_page_cache_readahead+0x7ce/0x980 [ 441.273122] ? find_held_lock+0x36/0x1c0 [ 441.277193] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 441.282744] alloc_pages_current+0x173/0x350 [ 441.287163] __page_cache_alloc+0x38c/0x5c0 [ 441.291484] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.296416] ? kasan_check_read+0x11/0x20 [ 441.300566] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.305844] ? generic_perform_write+0x6a0/0x6a0 [ 441.310606] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.316181] ? check_preemption_disabled+0x48/0x280 [ 441.321221] filemap_fault+0x1594/0x25f0 [ 441.325301] ? __lock_page_or_retry+0xa00/0xa00 [ 441.329980] ? mark_held_locks+0x130/0x130 [ 441.334218] ? rcu_softirq_qs+0x20/0x20 [ 441.338207] ? filemap_map_pages+0xe04/0x1990 [ 441.342724] ? __free_object+0x173/0x340 [ 441.346789] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 441.351721] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.356828] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 441.361514] ? debug_object_free+0x32d/0x690 [ 441.365920] ? kasan_check_read+0x11/0x20 [ 441.370078] ? debug_object_destroy+0x2b0/0x2b0 [ 441.374767] ? lock_pi_update_atomic+0x150/0x150 [ 441.379523] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 441.385059] ? __hrtimer_init+0xdb/0x240 [ 441.389133] ? lock_acquire+0x1ed/0x520 [ 441.393126] ? ext4_filemap_fault+0x7a/0xad [ 441.397454] ? lock_release+0xa00/0xa00 [ 441.401435] ? perf_trace_sched_process_exec+0x860/0x860 [ 441.406887] ? print_usage_bug+0xc0/0xc0 [ 441.410957] ? print_usage_bug+0xc0/0xc0 [ 441.415050] ? down_read+0x8d/0x120 [ 441.418687] ? ext4_filemap_fault+0x7a/0xad [ 441.423008] ? __down_interruptible+0x700/0x700 [ 441.427704] ext4_filemap_fault+0x82/0xad [ 441.431865] __do_fault+0x100/0x6b0 [ 441.435511] ? pmd_devmap_trans_unstable+0x220/0x220 [ 441.440619] ? mark_held_locks+0x130/0x130 [ 441.444867] ? mark_held_locks+0x130/0x130 [ 441.449117] ? debug_smp_processor_id+0x1c/0x20 [ 441.453785] ? perf_trace_lock+0x14d/0x7a0 [ 441.458027] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.463574] __handle_mm_fault+0x307c/0x5920 [ 441.467995] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 441.472841] ? lock_is_held_type+0x210/0x210 [ 441.477276] ? zap_class+0x640/0x640 [ 441.481000] ? zap_class+0x640/0x640 [ 441.484718] ? __x64_sys_futex+0x53e/0x6a0 [ 441.488978] ? find_held_lock+0x36/0x1c0 [ 441.493067] ? handle_mm_fault+0x42a/0xc70 [ 441.497310] ? lock_downgrade+0x900/0x900 [ 441.501471] ? check_preemption_disabled+0x48/0x280 [ 441.506502] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 441.511432] ? kasan_check_read+0x11/0x20 [ 441.515592] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.520873] ? rcu_softirq_qs+0x20/0x20 [ 441.524863] ? trace_hardirqs_off_caller+0x310/0x310 [ 441.529971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.535512] ? check_preemption_disabled+0x48/0x280 [ 441.540538] handle_mm_fault+0x54f/0xc70 [ 441.544605] ? __handle_mm_fault+0x5920/0x5920 [ 441.549219] ? find_vma+0x34/0x190 [ 441.552767] __do_page_fault+0x5e8/0xe60 [ 441.556830] ? trace_hardirqs_off+0xb8/0x310 [ 441.561239] ? trace_hardirqs_off+0xb8/0x310 [ 441.565663] do_page_fault+0xf2/0x7e0 [ 441.569466] ? vmalloc_sync_all+0x30/0x30 [ 441.573624] ? error_entry+0x70/0xd0 [ 441.577340] ? trace_hardirqs_off_caller+0xbb/0x310 [ 441.582354] ? trace_hardirqs_on_caller+0xc0/0x310 [ 441.587294] ? syscall_return_slowpath+0x5e0/0x5e0 [ 441.592230] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.597078] ? trace_hardirqs_on_caller+0x310/0x310 [ 441.602095] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 441.607551] ? prepare_exit_to_usermode+0x291/0x3b0 [ 441.612573] ? page_fault+0x8/0x30 [ 441.616132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 441.621001] ? page_fault+0x8/0x30 [ 441.624546] page_fault+0x1e/0x30 [ 441.628013] RIP: 0033:0x45ddf3 [ 441.631217] Code: Bad RIP value. [ 441.634579] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 441.639941] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 441.647217] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 441.654492] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 441.661756] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 441.669021] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 441.676325] warn_alloc_show_mem: 1 callbacks suppressed [ 441.676337] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 441.676339] Mem-Info: [ 441.676371] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 441.676371] active_file:13 inactive_file:17 isolated_file:0 [ 441.676371] unevictable:0 dirty:0 writeback:0 unstable:0 [ 441.676371] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 441.676371] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 441.676371] free:13759 free_pcp:161 free_cma:0 [ 441.681711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 441.681720] Call Trace: [ 441.688744] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 441.691158] [ 441.724621] Node 0 [ 441.733982] dump_stack+0x244/0x39d [ 441.736572] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 441.764218] ? dump_stack_print_info.cold.1+0x20/0x20 [ 441.766339] lowmem_reserve[]: 0 [ 441.768629] warn_alloc.cold.117+0xb7/0x1bd [ 441.772222] 2819 6323 [ 441.797743] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 441.802956] 6323 [ 441.806242] ? lock_downgrade+0x900/0x900 [ 441.813046] ? trace_hardirqs_off+0xb8/0x310 [ 441.817862] Node 0 [ 441.819919] ? trace_hardirqs_off+0xb8/0x310 [ 441.824066] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 441.828455] __alloc_pages_slowpath+0x2660/0x2d70 [ 441.830654] lowmem_reserve[]: 0 [ 441.835099] ? warn_alloc+0x120/0x120 [ 441.861796] 0 [ 441.866640] ? warn_alloc+0x120/0x120 [ 441.869898] 3503 [ 441.873705] ? print_usage_bug+0xc0/0xc0 [ 441.875485] 3503 [ 441.879279] ? warn_alloc+0x120/0x120 [ 441.885381] ? print_usage_bug+0xc0/0xc0 [ 441.887425] Node 0 [ 441.891229] ? __lock_acquire+0x62f/0x4c20 [ 441.895316] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 441.897528] ? __lock_acquire+0x62f/0x4c20 [ 441.901733] lowmem_reserve[]: 0 [ 441.930022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 441.934241] 0 [ 441.937523] ? should_fail+0x22d/0xd01 [ 441.943027] 0 0 [ 441.944838] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 441.948699] Node 0 [ 441.950678] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.955927] DMA: 1*4kB [ 441.958177] ? __lock_acquire+0x62f/0x4c20 [ 441.963269] (U) [ 441.965880] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 441.970093] 0*8kB [ 441.972062] ? __lock_acquire+0x62f/0x4c20 [ 441.977145] 0*16kB [ 441.979295] ? should_fail+0x22d/0xd01 [ 441.983516] 1*32kB (U) [ 441.985783] ? rcu_irq_exit+0x1a2/0x390 [ 441.989646] 2*64kB [ 441.992235] ? mark_held_locks+0x130/0x130 [ 441.996216] (U) [ 441.998464] ? mark_held_locks+0x130/0x130 [ 442.002676] 1*128kB [ 442.004647] ? mark_held_locks+0xc7/0x130 [ 442.008862] (U) [ 442.011190] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 442.015320] 1*256kB [ 442.017302] ? zap_class+0x640/0x640 [ 442.022310] (U) [ 442.024634] ? print_usage_bug+0xc0/0xc0 [ 442.028331] 0*512kB [ 442.030326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.034368] 1*1024kB [ 442.036692] ? check_preemption_disabled+0x48/0x280 [ 442.042208] (U) [ 442.044624] ? __lock_is_held+0xb5/0x140 [ 442.049622] 1*2048kB [ 442.051601] __alloc_pages_nodemask+0xa80/0xde0 [ 442.055638] (M) [ 442.058045] ? zap_class+0x640/0x640 [ 442.062702] 3*4096kB (M) [ 442.064685] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 442.068378] = 15908kB [ 442.071138] ? find_held_lock+0x36/0x1c0 [ 442.076126] Node 0 [ 442.078545] ? ____cache_alloc_node+0x1c7/0x1e0 [ 442.082578] DMA32: [ 442.084813] ? lock_downgrade+0x900/0x900 [ 442.089457] 5*4kB (UM) [ 442.091702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.095825] 1*8kB [ 442.098419] cache_grow_begin+0xa5/0x8c0 [ 442.103933] (M) [ 442.106083] ? do_raw_spin_unlock+0xa7/0x330 [ 442.110123] 3*16kB (M) [ 442.112118] fallback_alloc+0x204/0x2e0 [ 442.116499] 3*32kB [ 442.119081] ____cache_alloc_node+0x1c7/0x1e0 [ 442.123029] (UM) [ 442.125266] kmem_cache_alloc_node+0xe3/0x730 [ 442.129739] 2*64kB [ 442.131802] ? ipv6_get_ifaddr+0x42e/0x620 [ 442.136279] (M) [ 442.138538] __alloc_skb+0x119/0x770 [ 442.142740] 2*128kB (M) [ 442.144725] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.148408] 4*256kB (M) [ 442.151091] ? netdev_alloc_frag+0x1f0/0x1f0 [ 442.156341] 4*512kB [ 442.159009] ? lock_downgrade+0x900/0x900 [ 442.163396] (UM) [ 442.165723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.169845] 3*1024kB [ 442.171905] ? refcount_sub_and_test_checked+0x203/0x310 [ 442.177413] (UM) 3*2048kB [ 442.179840] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 442.185265] (M) [ 442.188110] ? addrconf_rs_timer+0x690/0x690 [ 442.193566] 3*4096kB [ 442.195546] ndisc_alloc_skb+0x144/0x340 [ 442.199927] (M) [ 442.202339] ndisc_send_rs+0x331/0x6e0 [ 442.206379] = 25132kB [ 442.208368] addrconf_rs_timer+0x314/0x690 [ 442.212237] Node 0 [ 442.214646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.218861] Normal: [ 442.221122] call_timer_fn+0x272/0x920 [ 442.225341] 951*4kB [ 442.227665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.231536] (UMEH) [ 442.233862] ? process_timeout+0x40/0x40 [ 442.238076] 234*8kB [ 442.240332] ? __run_timers+0x7da/0xc70 [ 442.244366] (UME) [ 442.246689] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.250643] 222*16kB [ 442.252804] ? _raw_spin_unlock_irq+0x27/0x80 [ 442.257279] (UMEH) [ 442.259696] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.264174] 132*32kB [ 442.266412] ? lockdep_hardirqs_on+0x296/0x5b0 [ 442.270627] (UM) [ 442.273040] ? trace_hardirqs_on+0xbd/0x310 [ 442.277603] 1*64kB [ 442.279662] ? kasan_check_read+0x11/0x20 [ 442.283957] (H) [ 442.286193] ? __run_timers+0x7da/0xc70 [ 442.290331] 0*128kB [ 442.292306] ? trace_hardirqs_off_caller+0x310/0x310 [ 442.296261] 0*256kB [ 442.298596] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.303680] 1*512kB [ 442.305999] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 442.310219] (H) [ 442.312543] __run_timers+0x7e5/0xc70 [ 442.316753] 0*1024kB 0*2048kB [ 442.318748] ? timer_fixup_init+0x70/0x70 [ 442.322519] 0*4096kB [ 442.325712] ? kasan_check_read+0x11/0x20 [ 442.329836] = 14028kB [ 442.332256] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.336386] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 442.338784] ? rcu_softirq_qs+0x20/0x20 [ 442.344042] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 442.352884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.356839] 4244 total pagecache pages [ 442.365413] ? check_preemption_disabled+0x48/0x280 [ 442.370959] 0 pages in swap cache [ 442.374830] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.379833] Swap cache stats: add 0, delete 0, find 0/0 [ 442.383295] ? retint_kernel+0x2d/0x2d [ 442.388027] Free swap = 0kB [ 442.393389] ? trace_hardirqs_on_caller+0xc0/0x310 [ 442.397254] Total swap = 0kB [ 442.400271] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 442.405196] 1965979 pages RAM [ 442.408212] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 442.412946] 0 pages HighMem/MovableOnly [ 442.416053] ? zap_class+0x640/0x640 [ 442.421493] 342293 pages reserved [ 442.425473] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.429159] 0 pages cma reserved [ 442.432606] ? check_preemption_disabled+0x48/0x280 [ 442.438321] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.441496] ? __lock_is_held+0xb5/0x140 [ 442.446490] syz-fuzzer cpuset= [ 442.456712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.460751] / [ 442.463952] ? check_preemption_disabled+0x48/0x280 [ 442.469475] mems_allowed=0 [ 442.471187] run_timer_softirq+0x52/0xb0 [ 442.483156] ? rcu_read_lock_sched_held+0x14f/0x180 [ 442.488177] __do_softirq+0x308/0xb7e [ 442.491987] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 442.496486] ? lock_downgrade+0x900/0x900 [ 442.500641] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 442.505766] ? pvclock_read_flags+0x160/0x160 [ 442.510265] ? lapic_next_event+0x5a/0x90 [ 442.514416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.519981] ? kvm_clock_read+0x18/0x30 [ 442.523956] ? kvm_sched_clock_read+0x9/0x20 [ 442.528376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.533913] ? check_preemption_disabled+0x48/0x280 [ 442.538945] irq_exit+0x17f/0x1c0 [ 442.542405] smp_apic_timer_interrupt+0x1cb/0x760 [ 442.547249] ? smp_reschedule_interrupt+0x109/0x650 [ 442.552273] ? smp_call_function_single_interrupt+0x650/0x650 [ 442.558186] ? interrupt_entry+0xb5/0xc0 [ 442.562253] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.567269] ? trace_hardirqs_off_caller+0xbb/0x310 [ 442.572288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.577131] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.582144] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.587199] ? task_prio+0x50/0x50 [ 442.590748] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.596290] ? check_preemption_disabled+0x48/0x280 [ 442.601315] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.606174] apic_timer_interrupt+0xf/0x20 [ 442.610405] [ 442.612645] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 442.618082] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 442.636983] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 442.644694] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 442.651957] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 442.659221] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 442.666486] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 442.673757] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 442.681069] skb_clone+0x1bb/0x500 [ 442.684611] ? finish_task_switch+0x2f4/0x910 [ 442.689107] ? skb_split+0x11e0/0x11e0 [ 442.693021] ? preempt_notifier_register+0x200/0x200 [ 442.698126] ? __switch_to_asm+0x34/0x70 [ 442.702193] ? __switch_to_asm+0x34/0x70 [ 442.706256] ? __switch_to_asm+0x40/0x70 [ 442.710321] ? __switch_to_asm+0x34/0x70 [ 442.714391] ? __switch_to_asm+0x40/0x70 [ 442.718459] ? __switch_to_asm+0x34/0x70 [ 442.722533] ? __switch_to_asm+0x40/0x70 [ 442.726590] ? __switch_to_asm+0x34/0x70 [ 442.730649] ? __switch_to_asm+0x34/0x70 [ 442.734712] ? __switch_to_asm+0x40/0x70 [ 442.738783] ? __switch_to_asm+0x34/0x70 [ 442.742867] bpf_clone_redirect+0xb9/0x490 [ 442.747106] ? __schedule+0x8d7/0x21d0 [ 442.750999] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 442.756020] ? __sched_text_start+0x8/0x8 [ 442.760177] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 442.764769] ? find_held_lock+0x36/0x1c0 [ 442.768839] ? lock_acquire+0x1ed/0x520 [ 442.772812] ? bpf_test_run+0x3cb/0x780 [ 442.776809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.782347] ? check_preemption_disabled+0x48/0x280 [ 442.787371] ? kasan_check_read+0x11/0x20 [ 442.791562] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 442.796846] ? rcu_softirq_qs+0x20/0x20 [ 442.800825] ? preempt_schedule+0x4d/0x60 [ 442.804987] ? ___preempt_schedule+0x16/0x18 [ 442.809405] ? bpf_test_run+0x25d/0x780 [ 442.813393] ? netlink_diag_dump+0x2a0/0x2a0 [ 442.817809] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 442.822571] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 442.827367] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 442.832210] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 442.837762] ? fput+0x130/0x1a0 [ 442.841109] ? __bpf_prog_get+0x9b/0x290 [ 442.845187] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 442.850032] ? bpf_prog_test_run+0x130/0x1a0 [ 442.854445] ? __x64_sys_bpf+0x3d8/0x520 [ 442.858515] ? bpf_prog_get+0x20/0x20 [ 442.862339] ? do_syscall_64+0x1b9/0x820 [ 442.866403] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 442.871773] ? syscall_return_slowpath+0x5e0/0x5e0 [ 442.876701] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.881546] ? trace_hardirqs_on_caller+0x310/0x310 [ 442.886566] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 442.891583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 442.897138] ? prepare_exit_to_usermode+0x291/0x3b0 [ 442.902164] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 442.907015] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 442.912406] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 442.912505] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 442.919096] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 442.919102] Call Trace: [ 442.919108] [ 442.919124] dump_stack+0x244/0x39d [ 442.919144] ? dump_stack_print_info.cold.1+0x20/0x20 [ 442.925685] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 442.934991] warn_alloc.cold.117+0xb7/0x1bd [ 442.937544] syz-executor3 cpuset= [ 442.939705] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 442.943314] syz3 [ 442.948503] ? lock_downgrade+0x900/0x900 [ 442.958971] mems_allowed=0 [ 442.963304] ? trace_hardirqs_off+0xb8/0x310 [ 442.985005] ? trace_hardirqs_off+0xb8/0x310 [ 442.989424] __alloc_pages_slowpath+0x2660/0x2d70 [ 442.994296] ? warn_alloc+0x120/0x120 [ 442.998101] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.003116] ? warn_alloc+0x120/0x120 [ 443.006922] ? print_usage_bug+0xc0/0xc0 [ 443.010987] ? warn_alloc+0x120/0x120 [ 443.014787] ? print_usage_bug+0xc0/0xc0 [ 443.018854] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.024054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.029598] ? should_fail+0x22d/0xd01 [ 443.033496] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.038602] ? __lock_acquire+0x62f/0x4c20 [ 443.042855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.047961] ? should_fail+0x22d/0xd01 [ 443.051861] ? mark_held_locks+0x130/0x130 [ 443.056099] ? mark_held_locks+0x130/0x130 [ 443.060335] ? print_usage_bug+0xc0/0xc0 [ 443.064416] ? find_held_lock+0x36/0x1c0 [ 443.068491] ? zap_class+0x640/0x640 [ 443.072233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.077772] ? check_preemption_disabled+0x48/0x280 [ 443.082813] ? __lock_is_held+0xb5/0x140 [ 443.086885] __alloc_pages_nodemask+0xa80/0xde0 [ 443.091554] ? zap_class+0x640/0x640 [ 443.095275] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 443.100309] ? find_held_lock+0x36/0x1c0 [ 443.104383] ? ____cache_alloc_node+0x1c7/0x1e0 [ 443.109052] ? lock_downgrade+0x900/0x900 [ 443.113216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.118785] cache_grow_begin+0xa5/0x8c0 [ 443.122851] ? do_raw_spin_unlock+0xa7/0x330 [ 443.127273] fallback_alloc+0x204/0x2e0 [ 443.131273] ____cache_alloc_node+0x1c7/0x1e0 [ 443.135774] kmem_cache_alloc_node+0xe3/0x730 [ 443.140273] ? mark_held_locks+0xc7/0x130 [ 443.144474] __alloc_skb+0x119/0x770 [ 443.148203] ? netdev_alloc_frag+0x1f0/0x1f0 [ 443.152616] ? do_raw_spin_trylock+0x270/0x270 [ 443.157225] ? kmem_cache_alloc_trace+0x353/0x750 [ 443.162092] ? queue_work_on+0x12c/0x1e0 [ 443.166202] ? switchdev_port_obj_del+0xdc/0x440 [ 443.170965] ? switchdev_trans_item_enqueue+0x260/0x260 [ 443.176338] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 443.181368] __br_mdb_notify+0x4ff/0x15d0 [ 443.185522] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.190638] ? __br_mdb_add+0x7f0/0x7f0 [ 443.194620] ? mark_held_locks+0x130/0x130 [ 443.198862] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.204006] ? debug_object_assert_init+0x368/0x4b0 [ 443.209026] ? debug_object_init_on_stack+0x20/0x20 [ 443.214067] ? zap_class+0x640/0x640 [ 443.217809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.223368] br_mdb_notify+0x310/0x410 [ 443.227284] ? br_mdb_dump+0x27b0/0x27b0 [ 443.231374] br_multicast_del_pg+0x3df/0x790 [ 443.235800] ? br_mdb_ip_get+0x940/0x940 [ 443.239864] ? rwlock_bug.part.2+0x90/0x90 [ 443.244108] ? __lock_is_held+0xb5/0x140 [ 443.248179] br_multicast_port_group_expired+0x189/0x1e0 [ 443.253645] call_timer_fn+0x272/0x920 [ 443.257537] ? br_multicast_del_pg+0x790/0x790 [ 443.262135] ? process_timeout+0x40/0x40 [ 443.266214] ? mark_held_locks+0xc7/0x130 [ 443.270366] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.274866] ? _raw_spin_unlock_irq+0x27/0x80 [ 443.279378] ? br_multicast_del_pg+0x790/0x790 [ 443.283963] ? lockdep_hardirqs_on+0x296/0x5b0 [ 443.288569] ? trace_hardirqs_on+0xbd/0x310 [ 443.292887] ? kasan_check_read+0x11/0x20 [ 443.297036] ? __run_timers+0x7da/0xc70 [ 443.301013] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.306122] ? br_multicast_del_pg+0x790/0x790 [ 443.310715] ? br_multicast_del_pg+0x790/0x790 [ 443.315304] __run_timers+0x7e5/0xc70 [ 443.319125] ? timer_fixup_init+0x70/0x70 [ 443.323274] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 443.328290] ? zap_class+0x640/0x640 [ 443.332009] ? print_usage_bug+0xc0/0xc0 [ 443.336084] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 443.341281] ? find_held_lock+0x36/0x1c0 [ 443.345384] ? zap_class+0x640/0x640 [ 443.349099] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.354635] ? check_preemption_disabled+0x48/0x280 [ 443.359668] ? __lock_is_held+0xb5/0x140 [ 443.363738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.369279] ? check_preemption_disabled+0x48/0x280 [ 443.374304] run_timer_softirq+0x52/0xb0 [ 443.378366] ? rcu_read_lock_sched_held+0x14f/0x180 [ 443.383387] __do_softirq+0x308/0xb7e [ 443.387204] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 443.391702] ? lock_downgrade+0x900/0x900 [ 443.395857] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 443.400979] ? pvclock_read_flags+0x160/0x160 [ 443.405500] ? lapic_next_event+0x5a/0x90 [ 443.409651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.415204] ? kvm_clock_read+0x18/0x30 [ 443.419226] ? kvm_sched_clock_read+0x9/0x20 [ 443.423639] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.429182] ? check_preemption_disabled+0x48/0x280 [ 443.434247] irq_exit+0x17f/0x1c0 [ 443.437714] smp_apic_timer_interrupt+0x1cb/0x760 [ 443.442558] ? smp_reschedule_interrupt+0x109/0x650 [ 443.447581] ? smp_call_function_single_interrupt+0x650/0x650 [ 443.453467] ? interrupt_entry+0xb5/0xc0 [ 443.457529] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.462548] ? trace_hardirqs_off_caller+0xbb/0x310 [ 443.467573] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.472417] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.477431] ? trace_hardirqs_on_caller+0x310/0x310 [ 443.482460] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 443.487319] apic_timer_interrupt+0xf/0x20 [ 443.491568] [ 443.493823] RIP: 0010:dump_stack+0x358/0x39d [ 443.498238] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 443.517136] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 443.524846] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 443.532136] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 443.539408] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 443.546678] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 443.553978] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 443.561272] ? dump_stack+0x34f/0x39d [ 443.565092] ? dump_stack_print_info.cold.1+0x20/0x20 [ 443.570301] dump_header+0x27b/0xf72 [ 443.574032] ? mark_held_locks+0x130/0x130 [ 443.578272] ? pagefault_out_of_memory+0x197/0x197 [ 443.583215] ? __lock_acquire+0x62f/0x4c20 [ 443.587449] ? zap_class+0x640/0x640 [ 443.591170] ? percpu_ref_get_many+0x240/0x240 [ 443.595763] ? print_usage_bug+0xc0/0xc0 [ 443.599826] ? print_usage_bug+0xc0/0xc0 [ 443.603890] ? zap_class+0x640/0x640 [ 443.607615] ? print_usage_bug+0xc0/0xc0 [ 443.611678] ? print_usage_bug+0xc0/0xc0 [ 443.615747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.621302] ? find_held_lock+0x36/0x1c0 [ 443.625391] ? mark_held_locks+0xc7/0x130 [ 443.629546] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.634675] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 443.639793] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 443.644383] ? trace_hardirqs_on+0xbd/0x310 [ 443.648703] ? kasan_check_read+0x11/0x20 [ 443.652854] ? ___ratelimit+0x3b4/0x672 [ 443.656833] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.661938] ? trace_hardirqs_on+0x310/0x310 [ 443.666359] ? lock_downgrade+0x900/0x900 [ 443.670512] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 443.675620] ? ___ratelimit+0x3b9/0x672 [ 443.679610] ? idr_get_free+0xec0/0xec0 [ 443.683585] ? find_held_lock+0x36/0x1c0 [ 443.687668] oom_kill_process.cold.27+0x10/0x903 [ 443.692429] ? zap_class+0x640/0x640 [ 443.696145] ? check_preemption_disabled+0x48/0x280 [ 443.701171] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.706101] ? kasan_check_read+0x11/0x20 [ 443.710249] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.715536] ? oom_evaluate_task+0x540/0x540 [ 443.719967] ? find_held_lock+0x36/0x1c0 [ 443.724556] ? out_of_memory+0x974/0x1430 [ 443.728706] ? lock_downgrade+0x900/0x900 [ 443.732852] ? check_preemption_disabled+0x48/0x280 [ 443.737916] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.742874] ? kasan_check_read+0x11/0x20 [ 443.747026] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.752309] ? rcu_softirq_qs+0x20/0x20 [ 443.756294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.761864] ? oom_evaluate_task+0x302/0x540 [ 443.766281] out_of_memory+0xa84/0x1430 [ 443.770270] ? oom_killer_disable+0x3a0/0x3a0 [ 443.774769] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 443.779719] ? __mutex_add_waiter+0x2a0/0x2a0 [ 443.784269] __alloc_pages_slowpath+0x22d4/0x2d70 [ 443.789145] ? warn_alloc+0x120/0x120 [ 443.792966] ? rcu_softirq_qs+0x20/0x20 [ 443.796978] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.802520] ? should_fail+0x22d/0xd01 [ 443.806434] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 443.811542] ? zap_class+0x640/0x640 [ 443.815301] ? __lock_is_held+0xb5/0x140 [ 443.819375] ? mark_held_locks+0x130/0x130 [ 443.823614] ? lock_release+0xa00/0xa00 [ 443.827594] ? perf_trace_sched_process_exec+0x860/0x860 [ 443.833057] ? __might_sleep+0x95/0x190 [ 443.837039] __alloc_pages_nodemask+0xa80/0xde0 [ 443.841724] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 443.846742] ? __page_cache_alloc+0x191/0x5c0 [ 443.851262] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.856208] ? kasan_check_read+0x11/0x20 [ 443.860359] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.865654] ? zap_class+0x640/0x640 [ 443.869378] ? zap_class+0x640/0x640 [ 443.873087] ? zap_class+0x640/0x640 [ 443.876812] ? __do_page_cache_readahead+0x7ce/0x980 [ 443.881923] ? find_held_lock+0x36/0x1c0 [ 443.885999] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 443.891547] alloc_pages_current+0x173/0x350 [ 443.895989] __page_cache_alloc+0x38c/0x5c0 [ 443.900310] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 443.905268] ? kasan_check_read+0x11/0x20 [ 443.909432] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 443.914720] ? generic_perform_write+0x6a0/0x6a0 [ 443.919482] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 443.925020] ? check_preemption_disabled+0x48/0x280 [ 443.930047] filemap_fault+0x1594/0x25f0 [ 443.934122] ? __lock_page_or_retry+0xa00/0xa00 [ 443.938793] ? mark_held_locks+0x130/0x130 [ 443.943028] ? rcu_softirq_qs+0x20/0x20 [ 443.947020] ? filemap_map_pages+0xe04/0x1990 [ 443.951531] ? __free_object+0x173/0x340 [ 443.955598] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 443.960531] ? trace_hardirqs_off_caller+0x310/0x310 [ 443.965638] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 443.970324] ? debug_object_free+0x32d/0x690 [ 443.974736] ? kasan_check_read+0x11/0x20 [ 443.978886] ? debug_object_destroy+0x2b0/0x2b0 [ 443.983562] ? lock_pi_update_atomic+0x150/0x150 [ 443.988331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 443.993895] ? __hrtimer_init+0xdb/0x240 [ 443.997983] ? lock_acquire+0x1ed/0x520 [ 444.001964] ? ext4_filemap_fault+0x7a/0xad [ 444.006303] ? lock_release+0xa00/0xa00 [ 444.010283] ? perf_trace_sched_process_exec+0x860/0x860 [ 444.015735] ? print_usage_bug+0xc0/0xc0 [ 444.019804] ? print_usage_bug+0xc0/0xc0 [ 444.023878] ? down_read+0x8d/0x120 [ 444.027514] ? ext4_filemap_fault+0x7a/0xad [ 444.031852] ? __down_interruptible+0x700/0x700 [ 444.036545] ext4_filemap_fault+0x82/0xad [ 444.040695] __do_fault+0x100/0x6b0 [ 444.044330] ? pmd_devmap_trans_unstable+0x220/0x220 [ 444.049435] ? mark_held_locks+0x130/0x130 [ 444.053674] ? mark_held_locks+0x130/0x130 [ 444.057918] ? debug_smp_processor_id+0x1c/0x20 [ 444.062606] ? perf_trace_lock+0x14d/0x7a0 [ 444.066852] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.072401] __handle_mm_fault+0x307c/0x5920 [ 444.076819] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 444.081664] ? lock_is_held_type+0x210/0x210 [ 444.086127] ? zap_class+0x640/0x640 [ 444.089842] ? zap_class+0x640/0x640 [ 444.093567] ? __x64_sys_futex+0x53e/0x6a0 [ 444.097840] ? find_held_lock+0x36/0x1c0 [ 444.101924] ? handle_mm_fault+0x42a/0xc70 [ 444.106172] ? lock_downgrade+0x900/0x900 [ 444.110331] ? check_preemption_disabled+0x48/0x280 [ 444.115366] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 444.120298] ? kasan_check_read+0x11/0x20 [ 444.124462] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.129742] ? rcu_softirq_qs+0x20/0x20 [ 444.133722] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.138829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.144370] ? check_preemption_disabled+0x48/0x280 [ 444.149403] handle_mm_fault+0x54f/0xc70 [ 444.153474] ? __handle_mm_fault+0x5920/0x5920 [ 444.158073] ? find_vma+0x34/0x190 [ 444.161635] __do_page_fault+0x5e8/0xe60 [ 444.165693] ? trace_hardirqs_off+0xb8/0x310 [ 444.170099] ? trace_hardirqs_off+0xb8/0x310 [ 444.174519] do_page_fault+0xf2/0x7e0 [ 444.178322] ? vmalloc_sync_all+0x30/0x30 [ 444.182471] ? error_entry+0x70/0xd0 [ 444.186213] ? trace_hardirqs_off_caller+0xbb/0x310 [ 444.191245] ? trace_hardirqs_on_caller+0xc0/0x310 [ 444.196177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 444.201113] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.205964] ? trace_hardirqs_on_caller+0x310/0x310 [ 444.210989] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 444.216458] ? prepare_exit_to_usermode+0x291/0x3b0 [ 444.221480] ? page_fault+0x8/0x30 [ 444.225029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 444.229912] ? page_fault+0x8/0x30 [ 444.233451] page_fault+0x1e/0x30 [ 444.236917] RIP: 0033:0x45ddf3 [ 444.240131] Code: Bad RIP value. [ 444.243496] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 444.248860] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 444.256125] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 444.263390] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 444.270669] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 444.277933] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 444.285239] warn_alloc_show_mem: 1 callbacks suppressed [ 444.285251] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 444.285253] Mem-Info: [ 444.285285] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 444.285285] active_file:13 inactive_file:17 isolated_file:0 [ 444.285285] unevictable:0 dirty:0 writeback:0 unstable:0 [ 444.285285] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 444.285285] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 444.285285] free:13759 free_pcp:161 free_cma:0 [ 444.290632] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 444.297657] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 444.300059] Call Trace: [ 444.333036] Node 0 [ 444.342381] [ 444.370061] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 444.372637] dump_stack+0x244/0x39d [ 444.374847] lowmem_reserve[]: 0 [ 444.377009] ? dump_stack_print_info.cold.1+0x20/0x20 [ 444.402490] 2819 [ 444.406172] warn_alloc.cold.117+0xb7/0x1bd [ 444.409421] 6323 [ 444.414619] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 444.416665] 6323 [ 444.420983] ? lock_downgrade+0x900/0x900 [ 444.427866] ? trace_hardirqs_off+0xb8/0x310 [ 444.429906] Node 0 [ 444.434055] ? trace_hardirqs_off+0xb8/0x310 [ 444.438467] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 444.440688] __alloc_pages_slowpath+0x2660/0x2d70 [ 444.445078] lowmem_reserve[]: [ 444.471832] ? warn_alloc+0x120/0x120 [ 444.476628] 0 [ 444.479732] ? warn_alloc+0x120/0x120 [ 444.483512] 0 [ 444.485328] ? print_usage_bug+0xc0/0xc0 [ 444.489105] 3503 [ 444.490904] ? warn_alloc+0x120/0x120 [ 444.494946] 3503 [ 444.497020] ? print_usage_bug+0xc0/0xc0 [ 444.500799] Node 0 [ 444.502861] ? __lock_acquire+0x62f/0x4c20 [ 444.506926] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 444.509131] ? __lock_acquire+0x62f/0x4c20 [ 444.513343] lowmem_reserve[]: [ 444.541624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 444.545836] 0 [ 444.548939] ? should_fail+0x22d/0xd01 [ 444.554451] 0 0 0 [ 444.556268] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.560130] Node 0 [ 444.562280] ? __lock_acquire+0x62f/0x4c20 [ 444.567361] DMA: [ 444.569624] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 444.573852] 1*4kB [ 444.575922] ? __lock_acquire+0x62f/0x4c20 [ 444.581004] (U) [ 444.583150] ? should_fail+0x22d/0xd01 [ 444.587366] 0*8kB [ 444.589338] ? find_held_lock+0x36/0x1c0 [ 444.593208] 0*16kB 1*32kB [ 444.595375] ? mark_held_locks+0x130/0x130 [ 444.599402] (U) 2*64kB [ 444.602254] ? mark_held_locks+0x130/0x130 [ 444.606467] (U) [ 444.609038] ? zap_class+0x640/0x640 [ 444.609051] ? zap_class+0x640/0x640 [ 444.613267] 1*128kB [ 444.615741] ? print_usage_bug+0xc0/0xc0 [ 444.619440] (U) [ 444.623154] ? do_raw_spin_unlock+0xa7/0x330 [ 444.625462] 1*256kB [ 444.629519] ? zap_class+0x640/0x640 [ 444.631476] (U) [ 444.635902] ? print_usage_bug+0xc0/0xc0 [ 444.638219] 0*512kB [ 444.641924] ? wq_watchdog_touch+0x9c/0xfe [ 444.643883] 1*1024kB [ 444.647943] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.650249] (U) [ 444.654485] ? check_preemption_disabled+0x48/0x280 [ 444.656873] 1*2048kB [ 444.662410] ? __lock_is_held+0xb5/0x140 [ 444.664364] (M) [ 444.669391] __alloc_pages_nodemask+0xa80/0xde0 [ 444.671772] 3*4096kB (M) [ 444.675840] ? zap_class+0x640/0x640 [ 444.677799] = 15908kB [ 444.682471] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 444.685205] Node 0 [ 444.688923] ? find_held_lock+0x36/0x1c0 [ 444.691309] DMA32: [ 444.696327] ? ____cache_alloc_node+0x1c7/0x1e0 [ 444.698539] 5*4kB [ 444.702591] ? lock_downgrade+0x900/0x900 [ 444.704810] (UM) [ 444.709484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.711606] 1*8kB (M) [ 444.715764] cache_grow_begin+0xa5/0x8c0 [ 444.717806] 3*16kB [ 444.723338] ? do_raw_spin_unlock+0xa7/0x330 [ 444.725819] (M) [ 444.729878] fallback_alloc+0x204/0x2e0 [ 444.732095] 3*32kB [ 444.736502] ____cache_alloc_node+0x1c7/0x1e0 [ 444.738459] (UM) [ 444.742435] kmem_cache_alloc_node+0xe3/0x730 [ 444.744650] 2*64kB [ 444.749137] ? ipv6_get_ifaddr+0x42e/0x620 [ 444.751201] (M) [ 444.755701] __alloc_skb+0x119/0x770 [ 444.757914] 2*128kB [ 444.762146] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.764097] (M) [ 444.767807] ? netdev_alloc_frag+0x1f0/0x1f0 [ 444.770105] 4*256kB (M) [ 444.775387] ? lock_downgrade+0x900/0x900 [ 444.777344] 4*512kB [ 444.781756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.784404] (UM) [ 444.788552] ? refcount_sub_and_test_checked+0x203/0x310 [ 444.790852] 3*1024kB [ 444.796387] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 444.798425] (UM) [ 444.803872] ? addrconf_rs_timer+0x690/0x690 [ 444.806264] 3*2048kB [ 444.811720] ndisc_alloc_skb+0x144/0x340 [ 444.813759] (M) [ 444.818167] ndisc_send_rs+0x331/0x6e0 [ 444.820556] 3*4096kB [ 444.824612] addrconf_rs_timer+0x314/0x690 [ 444.826578] (M) [ 444.830483] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.832870] = 25132kB [ 444.837107] call_timer_fn+0x272/0x920 [ 444.839064] Node 0 [ 444.843294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.845685] Normal: [ 444.849569] ? process_timeout+0x40/0x40 [ 444.851789] 951*4kB [ 444.856026] ? __run_timers+0x7da/0xc70 [ 444.858359] (UMEH) [ 444.862441] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.864737] 234*8kB (UME) [ 444.868720] ? _raw_spin_unlock_irq+0x27/0x80 [ 444.870942] 222*16kB [ 444.875429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.878252] (UMEH) [ 444.882744] ? lockdep_hardirqs_on+0x296/0x5b0 [ 444.885139] 132*32kB [ 444.889368] ? trace_hardirqs_on+0xbd/0x310 [ 444.891586] (UM) [ 444.896178] ? kasan_check_read+0x11/0x20 [ 444.898566] 1*64kB [ 444.902885] ? __run_timers+0x7da/0xc70 [ 444.904944] (H) [ 444.909082] ? trace_hardirqs_off_caller+0x310/0x310 [ 444.911314] 0*128kB [ 444.915285] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.917240] 0*256kB [ 444.922342] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 444.924646] 1*512kB [ 444.928896] __run_timers+0x7e5/0xc70 [ 444.931211] (H) [ 444.935460] ? timer_fixup_init+0x70/0x70 [ 444.937749] 0*1024kB [ 444.941544] ? kasan_check_read+0x11/0x20 [ 444.943500] 0*2048kB [ 444.947645] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 444.950030] 0*4096kB [ 444.954195] ? rcu_softirq_qs+0x20/0x20 [ 444.956582] = 14028kB [ 444.961855] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 444.964253] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 444.968237] ? check_preemption_disabled+0x48/0x280 [ 444.970646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 444.976178] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 444.984998] 4244 total pagecache pages [ 444.990011] ? retint_kernel+0x2d/0x2d [ 444.998567] 0 pages in swap cache [ 445.003310] ? trace_hardirqs_on_caller+0xc0/0x310 [ 445.007181] Swap cache stats: add 0, delete 0, find 0/0 [ 445.011083] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 445.014514] Free swap = 0kB [ 445.019437] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 445.024782] Total swap = 0kB [ 445.029531] ? zap_class+0x640/0x640 [ 445.032528] 1965979 pages RAM [ 445.037977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.040974] 0 pages HighMem/MovableOnly [ 445.044686] ? check_preemption_disabled+0x48/0x280 [ 445.047769] 342293 pages reserved [ 445.053307] ? __lock_is_held+0xb5/0x140 [ 445.057256] 0 pages cma reserved [ 445.062279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.065884] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.069771] ? check_preemption_disabled+0x48/0x280 [ 445.073118] syz-fuzzer cpuset= [ 445.078655] run_timer_softirq+0x52/0xb0 [ 445.088856] / [ 445.093911] ? rcu_read_lock_sched_held+0x14f/0x180 [ 445.097085] mems_allowed=0 [ 445.101171] __do_softirq+0x308/0xb7e [ 445.114623] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 445.119118] ? lock_downgrade+0x900/0x900 [ 445.123272] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 445.128398] ? pvclock_read_flags+0x160/0x160 [ 445.132897] ? lapic_next_event+0x5a/0x90 [ 445.137045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.142588] ? kvm_clock_read+0x18/0x30 [ 445.146563] ? kvm_sched_clock_read+0x9/0x20 [ 445.150973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.156513] ? check_preemption_disabled+0x48/0x280 [ 445.161544] irq_exit+0x17f/0x1c0 [ 445.165019] smp_apic_timer_interrupt+0x1cb/0x760 [ 445.169856] ? smp_reschedule_interrupt+0x109/0x650 [ 445.175057] ? smp_call_function_single_interrupt+0x650/0x650 [ 445.180948] ? interrupt_entry+0xb5/0xc0 [ 445.185014] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.190031] ? trace_hardirqs_off_caller+0xbb/0x310 [ 445.195049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.199896] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.204911] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.209928] ? task_prio+0x50/0x50 [ 445.213474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.219025] ? check_preemption_disabled+0x48/0x280 [ 445.224050] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.228908] apic_timer_interrupt+0xf/0x20 [ 445.233141] [ 445.235381] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 445.240318] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 445.259228] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 445.266935] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 445.274207] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 445.281481] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 445.288747] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 445.296023] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 445.303345] skb_clone+0x1bb/0x500 [ 445.306889] ? finish_task_switch+0x2f4/0x910 [ 445.311387] ? skb_split+0x11e0/0x11e0 [ 445.315282] ? preempt_notifier_register+0x200/0x200 [ 445.320389] ? __switch_to_asm+0x34/0x70 [ 445.324458] ? __switch_to_asm+0x34/0x70 [ 445.328517] ? __switch_to_asm+0x40/0x70 [ 445.332575] ? __switch_to_asm+0x34/0x70 [ 445.336639] ? __switch_to_asm+0x40/0x70 [ 445.340697] ? __switch_to_asm+0x34/0x70 [ 445.344754] ? __switch_to_asm+0x40/0x70 [ 445.348812] ? __switch_to_asm+0x34/0x70 [ 445.352873] ? __switch_to_asm+0x34/0x70 [ 445.356932] ? __switch_to_asm+0x40/0x70 [ 445.360990] ? __switch_to_asm+0x34/0x70 [ 445.365065] bpf_clone_redirect+0xb9/0x490 [ 445.369307] ? __schedule+0x8d7/0x21d0 [ 445.373212] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 445.378237] ? __sched_text_start+0x8/0x8 [ 445.382394] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 445.386980] ? find_held_lock+0x36/0x1c0 [ 445.391057] ? lock_acquire+0x1ed/0x520 [ 445.395034] ? bpf_test_run+0x3cb/0x780 [ 445.399013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.404552] ? check_preemption_disabled+0x48/0x280 [ 445.409580] ? kasan_check_read+0x11/0x20 [ 445.413733] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 445.419015] ? rcu_softirq_qs+0x20/0x20 [ 445.422996] ? preempt_schedule+0x4d/0x60 [ 445.427147] ? ___preempt_schedule+0x16/0x18 [ 445.431567] ? bpf_test_run+0x25d/0x780 [ 445.435553] ? netlink_diag_dump+0x2a0/0x2a0 [ 445.439967] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 445.444732] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 445.449498] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.454340] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 445.459879] ? fput+0x130/0x1a0 [ 445.463170] ? __bpf_prog_get+0x9b/0x290 [ 445.467247] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 445.472094] ? bpf_prog_test_run+0x130/0x1a0 [ 445.476509] ? __x64_sys_bpf+0x3d8/0x520 [ 445.480578] ? bpf_prog_get+0x20/0x20 [ 445.484405] ? do_syscall_64+0x1b9/0x820 [ 445.488472] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 445.493845] ? syscall_return_slowpath+0x5e0/0x5e0 [ 445.498777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.503628] ? trace_hardirqs_on_caller+0x310/0x310 [ 445.508645] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 445.513667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.519211] ? prepare_exit_to_usermode+0x291/0x3b0 [ 445.524236] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 445.529089] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 445.534483] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 445.534588] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 445.541159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 445.541165] Call Trace: [ 445.541172] [ 445.541190] dump_stack+0x244/0x39d [ 445.541208] ? dump_stack_print_info.cold.1+0x20/0x20 [ 445.541237] warn_alloc.cold.117+0xb7/0x1bd [ 445.547801] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 445.557078] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 445.559646] syz-executor3 cpuset= [ 445.561794] ? lock_downgrade+0x900/0x900 [ 445.565404] syz3 [ 445.570596] ? trace_hardirqs_off+0xb8/0x310 [ 445.574912] mems_allowed=0 [ 445.585439] ? trace_hardirqs_off+0xb8/0x310 [ 445.611573] __alloc_pages_slowpath+0x2660/0x2d70 [ 445.616451] ? warn_alloc+0x120/0x120 [ 445.620288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.625303] ? warn_alloc+0x120/0x120 [ 445.629107] ? print_usage_bug+0xc0/0xc0 [ 445.633169] ? warn_alloc+0x120/0x120 [ 445.636991] ? print_usage_bug+0xc0/0xc0 [ 445.641057] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.646272] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 445.651816] ? should_fail+0x22d/0xd01 [ 445.655709] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.660815] ? __lock_acquire+0x62f/0x4c20 [ 445.665056] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 445.670170] ? should_fail+0x22d/0xd01 [ 445.674071] ? mark_held_locks+0x130/0x130 [ 445.678310] ? mark_held_locks+0x130/0x130 [ 445.682546] ? print_usage_bug+0xc0/0xc0 [ 445.686612] ? find_held_lock+0x36/0x1c0 [ 445.690681] ? zap_class+0x640/0x640 [ 445.694430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.699988] ? check_preemption_disabled+0x48/0x280 [ 445.705013] ? __lock_is_held+0xb5/0x140 [ 445.709082] __alloc_pages_nodemask+0xa80/0xde0 [ 445.713751] ? zap_class+0x640/0x640 [ 445.717477] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 445.722990] ? find_held_lock+0x36/0x1c0 [ 445.727065] ? ____cache_alloc_node+0x1c7/0x1e0 [ 445.731734] ? lock_downgrade+0x900/0x900 [ 445.735893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.741450] cache_grow_begin+0xa5/0x8c0 [ 445.745517] ? do_raw_spin_unlock+0xa7/0x330 [ 445.749943] fallback_alloc+0x204/0x2e0 [ 445.753943] ____cache_alloc_node+0x1c7/0x1e0 [ 445.758452] kmem_cache_alloc_node+0xe3/0x730 [ 445.762945] ? mark_held_locks+0xc7/0x130 [ 445.767110] __alloc_skb+0x119/0x770 [ 445.770829] ? netdev_alloc_frag+0x1f0/0x1f0 [ 445.775237] ? do_raw_spin_trylock+0x270/0x270 [ 445.780279] ? kmem_cache_alloc_trace+0x353/0x750 [ 445.785177] ? queue_work_on+0x12c/0x1e0 [ 445.789277] ? switchdev_port_obj_del+0xdc/0x440 [ 445.794038] ? switchdev_trans_item_enqueue+0x260/0x260 [ 445.799412] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 445.804451] __br_mdb_notify+0x4ff/0x15d0 [ 445.808606] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 445.813722] ? __br_mdb_add+0x7f0/0x7f0 [ 445.817702] ? mark_held_locks+0x130/0x130 [ 445.821947] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 445.827061] ? debug_object_assert_init+0x368/0x4b0 [ 445.832094] ? debug_object_init_on_stack+0x20/0x20 [ 445.837105] ? zap_class+0x640/0x640 [ 445.840820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.846368] br_mdb_notify+0x310/0x410 [ 445.850273] ? br_mdb_dump+0x27b0/0x27b0 [ 445.854366] br_multicast_del_pg+0x3df/0x790 [ 445.858795] ? br_mdb_ip_get+0x940/0x940 [ 445.862856] ? rwlock_bug.part.2+0x90/0x90 [ 445.867098] ? __lock_is_held+0xb5/0x140 [ 445.871170] br_multicast_port_group_expired+0x189/0x1e0 [ 445.876636] call_timer_fn+0x272/0x920 [ 445.880549] ? br_multicast_del_pg+0x790/0x790 [ 445.885143] ? process_timeout+0x40/0x40 [ 445.889219] ? mark_held_locks+0xc7/0x130 [ 445.893375] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.897884] ? _raw_spin_unlock_irq+0x27/0x80 [ 445.902380] ? br_multicast_del_pg+0x790/0x790 [ 445.906983] ? lockdep_hardirqs_on+0x296/0x5b0 [ 445.911570] ? trace_hardirqs_on+0xbd/0x310 [ 445.915891] ? kasan_check_read+0x11/0x20 [ 445.920041] ? __run_timers+0x7da/0xc70 [ 445.924018] ? trace_hardirqs_off_caller+0x310/0x310 [ 445.929126] ? br_multicast_del_pg+0x790/0x790 [ 445.933721] ? br_multicast_del_pg+0x790/0x790 [ 445.938303] __run_timers+0x7e5/0xc70 [ 445.942138] ? timer_fixup_init+0x70/0x70 [ 445.946288] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 445.951304] ? zap_class+0x640/0x640 [ 445.955025] ? print_usage_bug+0xc0/0xc0 [ 445.959091] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 445.964291] ? find_held_lock+0x36/0x1c0 [ 445.968358] ? zap_class+0x640/0x640 [ 445.972082] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.977619] ? check_preemption_disabled+0x48/0x280 [ 445.982653] ? __lock_is_held+0xb5/0x140 [ 445.986718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 445.992256] ? check_preemption_disabled+0x48/0x280 [ 445.997283] run_timer_softirq+0x52/0xb0 [ 446.001350] ? rcu_read_lock_sched_held+0x14f/0x180 [ 446.006379] __do_softirq+0x308/0xb7e [ 446.010196] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 446.014693] ? lock_downgrade+0x900/0x900 [ 446.018846] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 446.023967] ? pvclock_read_flags+0x160/0x160 [ 446.028471] ? lapic_next_event+0x5a/0x90 [ 446.032621] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.038174] ? kvm_clock_read+0x18/0x30 [ 446.042160] ? kvm_sched_clock_read+0x9/0x20 [ 446.046587] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.052135] ? check_preemption_disabled+0x48/0x280 [ 446.057181] irq_exit+0x17f/0x1c0 [ 446.060645] smp_apic_timer_interrupt+0x1cb/0x760 [ 446.065492] ? smp_reschedule_interrupt+0x109/0x650 [ 446.070513] ? smp_call_function_single_interrupt+0x650/0x650 [ 446.076400] ? interrupt_entry+0xb5/0xc0 [ 446.080476] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.085506] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.090532] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.095377] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.100391] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.105421] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.110276] apic_timer_interrupt+0xf/0x20 [ 446.114506] [ 446.116750] RIP: 0010:dump_stack+0x358/0x39d [ 446.121175] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 446.140117] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 446.147839] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 446.155107] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 446.162374] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 446.169641] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 446.176924] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 446.184222] ? dump_stack+0x34f/0x39d [ 446.188039] ? dump_stack_print_info.cold.1+0x20/0x20 [ 446.193244] dump_header+0x27b/0xf72 [ 446.196978] ? mark_held_locks+0x130/0x130 [ 446.201228] ? pagefault_out_of_memory+0x197/0x197 [ 446.206166] ? __lock_acquire+0x62f/0x4c20 [ 446.210411] ? zap_class+0x640/0x640 [ 446.214126] ? percpu_ref_get_many+0x240/0x240 [ 446.218726] ? print_usage_bug+0xc0/0xc0 [ 446.222789] ? print_usage_bug+0xc0/0xc0 [ 446.226852] ? zap_class+0x640/0x640 [ 446.230570] ? print_usage_bug+0xc0/0xc0 [ 446.234634] ? print_usage_bug+0xc0/0xc0 [ 446.238712] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.244251] ? find_held_lock+0x36/0x1c0 [ 446.248323] ? mark_held_locks+0xc7/0x130 [ 446.252478] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.257589] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 446.262703] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 446.267285] ? trace_hardirqs_on+0xbd/0x310 [ 446.271606] ? kasan_check_read+0x11/0x20 [ 446.275758] ? ___ratelimit+0x3b4/0x672 [ 446.279746] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.284874] ? trace_hardirqs_on+0x310/0x310 [ 446.289282] ? lock_downgrade+0x900/0x900 [ 446.293441] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 446.298549] ? ___ratelimit+0x3b9/0x672 [ 446.302533] ? idr_get_free+0xec0/0xec0 [ 446.306522] ? find_held_lock+0x36/0x1c0 [ 446.310599] oom_kill_process.cold.27+0x10/0x903 [ 446.315366] ? zap_class+0x640/0x640 [ 446.319101] ? check_preemption_disabled+0x48/0x280 [ 446.324141] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.329091] ? kasan_check_read+0x11/0x20 [ 446.333240] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.338548] ? oom_evaluate_task+0x540/0x540 [ 446.342964] ? find_held_lock+0x36/0x1c0 [ 446.347037] ? out_of_memory+0x974/0x1430 [ 446.351195] ? lock_downgrade+0x900/0x900 [ 446.355349] ? check_preemption_disabled+0x48/0x280 [ 446.360371] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.365301] ? kasan_check_read+0x11/0x20 [ 446.369476] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.374754] ? rcu_softirq_qs+0x20/0x20 [ 446.378735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.384286] ? oom_evaluate_task+0x302/0x540 [ 446.388706] out_of_memory+0xa84/0x1430 [ 446.392706] ? oom_killer_disable+0x3a0/0x3a0 [ 446.397211] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 446.402143] ? __mutex_add_waiter+0x2a0/0x2a0 [ 446.406656] __alloc_pages_slowpath+0x22d4/0x2d70 [ 446.411541] ? warn_alloc+0x120/0x120 [ 446.415339] ? rcu_softirq_qs+0x20/0x20 [ 446.419347] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.424901] ? should_fail+0x22d/0xd01 [ 446.428855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 446.433962] ? zap_class+0x640/0x640 [ 446.437729] ? __lock_is_held+0xb5/0x140 [ 446.441805] ? mark_held_locks+0x130/0x130 [ 446.446044] ? lock_release+0xa00/0xa00 [ 446.450023] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.455492] ? __might_sleep+0x95/0x190 [ 446.459472] __alloc_pages_nodemask+0xa80/0xde0 [ 446.464150] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 446.469165] ? __page_cache_alloc+0x191/0x5c0 [ 446.473680] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.478619] ? kasan_check_read+0x11/0x20 [ 446.482772] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.488049] ? zap_class+0x640/0x640 [ 446.491771] ? zap_class+0x640/0x640 [ 446.495484] ? zap_class+0x640/0x640 [ 446.499207] ? __do_page_cache_readahead+0x7ce/0x980 [ 446.504321] ? find_held_lock+0x36/0x1c0 [ 446.508390] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 446.513934] alloc_pages_current+0x173/0x350 [ 446.518372] __page_cache_alloc+0x38c/0x5c0 [ 446.522694] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.527620] ? kasan_check_read+0x11/0x20 [ 446.531768] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.537049] ? generic_perform_write+0x6a0/0x6a0 [ 446.541809] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.547351] ? check_preemption_disabled+0x48/0x280 [ 446.552380] filemap_fault+0x1594/0x25f0 [ 446.556457] ? __lock_page_or_retry+0xa00/0xa00 [ 446.561132] ? mark_held_locks+0x130/0x130 [ 446.565367] ? rcu_softirq_qs+0x20/0x20 [ 446.569356] ? filemap_map_pages+0xe04/0x1990 [ 446.573870] ? __free_object+0x173/0x340 [ 446.577934] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 446.582870] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.588018] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 446.592704] ? debug_object_free+0x32d/0x690 [ 446.597125] ? kasan_check_read+0x11/0x20 [ 446.601278] ? debug_object_destroy+0x2b0/0x2b0 [ 446.605956] ? lock_pi_update_atomic+0x150/0x150 [ 446.610715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 446.616444] ? __hrtimer_init+0xdb/0x240 [ 446.620522] ? lock_acquire+0x1ed/0x520 [ 446.624503] ? ext4_filemap_fault+0x7a/0xad [ 446.628835] ? lock_release+0xa00/0xa00 [ 446.632814] ? perf_trace_sched_process_exec+0x860/0x860 [ 446.638268] ? print_usage_bug+0xc0/0xc0 [ 446.642336] ? print_usage_bug+0xc0/0xc0 [ 446.646411] ? down_read+0x8d/0x120 [ 446.650038] ? ext4_filemap_fault+0x7a/0xad [ 446.654365] ? __down_interruptible+0x700/0x700 [ 446.659048] ext4_filemap_fault+0x82/0xad [ 446.663205] __do_fault+0x100/0x6b0 [ 446.666842] ? pmd_devmap_trans_unstable+0x220/0x220 [ 446.671956] ? mark_held_locks+0x130/0x130 [ 446.676192] ? mark_held_locks+0x130/0x130 [ 446.680432] ? debug_smp_processor_id+0x1c/0x20 [ 446.685102] ? perf_trace_lock+0x14d/0x7a0 [ 446.689346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.694890] __handle_mm_fault+0x307c/0x5920 [ 446.699317] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 446.704162] ? lock_is_held_type+0x210/0x210 [ 446.708599] ? zap_class+0x640/0x640 [ 446.712330] ? zap_class+0x640/0x640 [ 446.716062] ? __x64_sys_futex+0x53e/0x6a0 [ 446.720303] ? find_held_lock+0x36/0x1c0 [ 446.724910] ? handle_mm_fault+0x42a/0xc70 [ 446.729147] ? lock_downgrade+0x900/0x900 [ 446.733295] ? check_preemption_disabled+0x48/0x280 [ 446.738320] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 446.743254] ? kasan_check_read+0x11/0x20 [ 446.747408] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 446.752689] ? rcu_softirq_qs+0x20/0x20 [ 446.756663] ? trace_hardirqs_off_caller+0x310/0x310 [ 446.761774] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 446.767314] ? check_preemption_disabled+0x48/0x280 [ 446.772340] handle_mm_fault+0x54f/0xc70 [ 446.776407] ? __handle_mm_fault+0x5920/0x5920 [ 446.780996] ? find_vma+0x34/0x190 [ 446.784543] __do_page_fault+0x5e8/0xe60 [ 446.788603] ? trace_hardirqs_off+0xb8/0x310 [ 446.793010] ? trace_hardirqs_off+0xb8/0x310 [ 446.797444] do_page_fault+0xf2/0x7e0 [ 446.801250] ? vmalloc_sync_all+0x30/0x30 [ 446.805406] ? error_entry+0x70/0xd0 [ 446.809120] ? trace_hardirqs_off_caller+0xbb/0x310 [ 446.814145] ? trace_hardirqs_on_caller+0xc0/0x310 [ 446.819074] ? syscall_return_slowpath+0x5e0/0x5e0 [ 446.824001] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.828844] ? trace_hardirqs_on_caller+0x310/0x310 [ 446.833857] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 446.839318] ? prepare_exit_to_usermode+0x291/0x3b0 [ 446.844334] ? page_fault+0x8/0x30 [ 446.847892] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 446.852739] ? page_fault+0x8/0x30 [ 446.856298] page_fault+0x1e/0x30 [ 446.859749] RIP: 0033:0x45ddf3 [ 446.862971] Code: Bad RIP value. [ 446.866347] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 446.871714] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 446.878983] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 446.886250] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 446.893514] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 446.900784] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 446.908075] warn_alloc_show_mem: 1 callbacks suppressed [ 446.908088] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 446.908090] Mem-Info: [ 446.908120] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 446.908120] active_file:13 inactive_file:17 isolated_file:0 [ 446.908120] unevictable:0 dirty:0 writeback:0 unstable:0 [ 446.908120] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 446.908120] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 446.908120] free:13759 free_pcp:161 free_cma:0 [ 446.913485] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 446.920505] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 446.922907] Call Trace: [ 446.955875] Node 0 [ 446.965225] [ 446.992919] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 446.995495] dump_stack+0x244/0x39d [ 446.997701] lowmem_reserve[]: [ 446.999852] ? dump_stack_print_info.cold.1+0x20/0x20 [ 447.025331] 0 [ 447.028976] warn_alloc.cold.117+0xb7/0x1bd [ 447.032068] 2819 [ 447.037253] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 447.039027] 6323 6323 [ 447.043356] ? lock_downgrade+0x900/0x900 [ 447.050242] ? trace_hardirqs_off+0xb8/0x310 [ 447.052718] Node 0 [ 447.056865] ? trace_hardirqs_off+0xb8/0x310 [ 447.061289] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 447.063508] __alloc_pages_slowpath+0x2660/0x2d70 [ 447.067881] lowmem_reserve[]: 0 [ 447.094633] ? warn_alloc+0x120/0x120 [ 447.099423] 0 3503 [ 447.102726] ? warn_alloc+0x120/0x120 [ 447.106507] 3503 [ 447.108743] ? print_usage_bug+0xc0/0xc0 [ 447.114584] ? warn_alloc+0x120/0x120 [ 447.118628] Node 0 [ 447.122419] ? print_usage_bug+0xc0/0xc0 [ 447.122461] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 447.122465] lowmem_reserve[]: 0 [ 447.124711] ? __lock_acquire+0x62f/0x4c20 [ 447.128750] 0 [ 447.157034] ? __lock_acquire+0x62f/0x4c20 [ 447.160296] 0 [ 447.164529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 447.166307] 0 [ 447.170549] ? should_fail+0x22d/0xd01 [ 447.172329] Node 0 [ 447.177867] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.179644] DMA: [ 447.183542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.185767] 1*4kB [ 447.191038] ? __lock_acquire+0x62f/0x4c20 [ 447.193082] (U) [ 447.198184] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 447.200322] 0*8kB [ 447.204550] ? __lock_acquire+0x62f/0x4c20 [ 447.206506] 0*16kB [ 447.211605] ? should_fail+0x22d/0xd01 [ 447.213737] 1*32kB [ 447.217969] ? rcu_irq_exit+0x1a2/0x390 [ 447.220202] (U) [ 447.224089] ? mark_held_locks+0x130/0x130 [ 447.226330] 2*64kB [ 447.230301] ? mark_held_locks+0x130/0x130 [ 447.232266] (U) [ 447.236503] ? mark_held_locks+0xc7/0x130 [ 447.238722] 1*128kB [ 447.242956] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 447.244922] (U) [ 447.249066] ? zap_class+0x640/0x640 [ 447.251375] 1*256kB [ 447.256387] ? print_usage_bug+0xc0/0xc0 [ 447.258345] (U) [ 447.262059] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.264364] 0*512kB [ 447.268418] ? check_preemption_disabled+0x48/0x280 [ 447.270378] 1*1024kB [ 447.275912] ? __lock_is_held+0xb5/0x140 [ 447.278228] (U) [ 447.283249] __alloc_pages_nodemask+0xa80/0xde0 [ 447.285631] 1*2048kB (M) [ 447.289715] ? zap_class+0x640/0x640 [ 447.291672] 3*4096kB [ 447.296336] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 447.299074] (M) [ 447.302791] ? find_held_lock+0x36/0x1c0 [ 447.305173] = 15908kB [ 447.310189] ? ____cache_alloc_node+0x1c7/0x1e0 [ 447.312159] Node 0 [ 447.316219] ? lock_downgrade+0x900/0x900 [ 447.318610] DMA32: [ 447.323275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.325488] 5*4kB [ 447.329650] cache_grow_begin+0xa5/0x8c0 [ 447.331865] (UM) [ 447.337404] ? do_raw_spin_unlock+0xa7/0x330 [ 447.339538] 1*8kB [ 447.343600] fallback_alloc+0x204/0x2e0 [ 447.345641] (M) [ 447.350048] ____cache_alloc_node+0x1c7/0x1e0 [ 447.352197] 3*16kB [ 447.356156] kmem_cache_alloc_node+0xe3/0x730 [ 447.358122] (M) [ 447.362613] ? ipv6_get_ifaddr+0x42e/0x620 [ 447.364828] 3*32kB [ 447.369328] __alloc_skb+0x119/0x770 [ 447.371276] (UM) [ 447.375523] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.377736] 2*64kB [ 447.381448] ? netdev_alloc_frag+0x1f0/0x1f0 [ 447.383487] (M) [ 447.388799] ? lock_downgrade+0x900/0x900 [ 447.391018] 2*128kB [ 447.395437] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.397389] (M) [ 447.401534] ? refcount_sub_and_test_checked+0x203/0x310 [ 447.403846] 4*256kB [ 447.409382] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 447.411336] (M) [ 447.416783] ? addrconf_rs_timer+0x690/0x690 [ 447.419089] 4*512kB [ 447.424538] ndisc_alloc_skb+0x144/0x340 [ 447.426515] (UM) [ 447.430935] ndisc_send_rs+0x331/0x6e0 [ 447.433242] 3*1024kB [ 447.437301] addrconf_rs_timer+0x314/0x690 [ 447.439343] (UM) [ 447.443240] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.445642] 3*2048kB [ 447.449894] call_timer_fn+0x272/0x920 [ 447.451923] (M) [ 447.456153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.458546] 3*4096kB [ 447.462472] ? process_timeout+0x40/0x40 [ 447.464422] (M) [ 447.468656] ? __run_timers+0x7da/0xc70 [ 447.471041] = 25132kB [ 447.475105] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.477062] Node 0 [ 447.481034] ? _raw_spin_unlock_irq+0x27/0x80 [ 447.483420] Normal: 951*4kB [ 447.487923] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.490142] (UMEH) [ 447.494633] ? lockdep_hardirqs_on+0x296/0x5b0 [ 447.497631] 234*8kB [ 447.501876] ? trace_hardirqs_on+0xbd/0x310 [ 447.504094] (UME) [ 447.508672] ? kasan_check_read+0x11/0x20 [ 447.510976] 222*16kB [ 447.515296] ? __run_timers+0x7da/0xc70 [ 447.517424] (UMEH) [ 447.521587] ? trace_hardirqs_off_caller+0x310/0x310 [ 447.524004] 132*32kB [ 447.527982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.530203] (UM) [ 447.535301] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 447.537692] 1*64kB [ 447.541921] __run_timers+0x7e5/0xc70 [ 447.543991] (H) [ 447.548258] ? timer_fixup_init+0x70/0x70 [ 447.550466] 0*128kB [ 447.554290] ? kasan_check_read+0x11/0x20 [ 447.556270] 0*256kB [ 447.560413] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 447.562704] 1*512kB (H) [ 447.566856] ? rcu_softirq_qs+0x20/0x20 [ 447.569165] 0*1024kB [ 447.574439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.577088] 0*2048kB [ 447.581057] ? check_preemption_disabled+0x48/0x280 [ 447.583446] 0*4096kB [ 447.588988] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 447.591376] = 14028kB [ 447.596389] ? retint_kernel+0x2d/0x2d [ 447.598782] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 447.603533] ? trace_hardirqs_on_caller+0xc0/0x310 [ 447.605930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 447.609813] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 447.618632] 4244 total pagecache pages [ 447.623575] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 447.632150] 0 pages in swap cache [ 447.636908] ? zap_class+0x640/0x640 [ 447.640779] Swap cache stats: add 0, delete 0, find 0/0 [ 447.646230] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.649661] Free swap = 0kB [ 447.653372] ? check_preemption_disabled+0x48/0x280 [ 447.658716] Total swap = 0kB [ 447.664266] ? __lock_is_held+0xb5/0x140 [ 447.667263] 1965979 pages RAM [ 447.672281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.675272] 0 pages HighMem/MovableOnly [ 447.675281] 342293 pages reserved [ 447.679340] ? check_preemption_disabled+0x48/0x280 [ 447.682427] 0 pages cma reserved [ 447.687993] run_timer_softirq+0x52/0xb0 [ 447.692135] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 447.695401] ? rcu_read_lock_sched_held+0x14f/0x180 [ 447.700399] syz-fuzzer cpuset= [ 447.703767] __do_softirq+0x308/0xb7e [ 447.707814] / [ 447.718243] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 447.723751] mems_allowed=0 [ 447.726943] ? lock_downgrade+0x900/0x900 [ 447.743984] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 447.749099] ? pvclock_read_flags+0x160/0x160 [ 447.753598] ? lapic_next_event+0x5a/0x90 [ 447.757760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.763303] ? kvm_clock_read+0x18/0x30 [ 447.767275] ? kvm_sched_clock_read+0x9/0x20 [ 447.771696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.777237] ? check_preemption_disabled+0x48/0x280 [ 447.782268] irq_exit+0x17f/0x1c0 [ 447.785734] smp_apic_timer_interrupt+0x1cb/0x760 [ 447.790591] ? smp_reschedule_interrupt+0x109/0x650 [ 447.795637] ? smp_call_function_single_interrupt+0x650/0x650 [ 447.801521] ? interrupt_entry+0xb5/0xc0 [ 447.805585] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.810602] ? trace_hardirqs_off_caller+0xbb/0x310 [ 447.815645] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.820491] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.825506] ? trace_hardirqs_on_caller+0x310/0x310 [ 447.830521] ? task_prio+0x50/0x50 [ 447.834064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 447.839600] ? check_preemption_disabled+0x48/0x280 [ 447.844624] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 447.849485] apic_timer_interrupt+0xf/0x20 [ 447.853714] [ 447.855951] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 447.860898] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 447.879804] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 447.887511] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 447.894775] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 447.902056] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 447.909320] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 447.916590] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 447.923902] skb_clone+0x1bb/0x500 [ 447.927443] ? finish_task_switch+0x2f4/0x910 [ 447.931978] ? skb_split+0x11e0/0x11e0 [ 447.935892] ? preempt_notifier_register+0x200/0x200 [ 447.941005] ? __switch_to_asm+0x34/0x70 [ 447.945068] ? __switch_to_asm+0x34/0x70 [ 447.949128] ? __switch_to_asm+0x40/0x70 [ 447.953208] ? __switch_to_asm+0x34/0x70 [ 447.957270] ? __switch_to_asm+0x40/0x70 [ 447.961334] ? __switch_to_asm+0x34/0x70 [ 447.965397] ? __switch_to_asm+0x40/0x70 [ 447.969463] ? __switch_to_asm+0x34/0x70 [ 447.973537] ? __switch_to_asm+0x34/0x70 [ 447.977596] ? __switch_to_asm+0x40/0x70 [ 447.981654] ? __switch_to_asm+0x34/0x70 [ 447.985727] bpf_clone_redirect+0xb9/0x490 [ 447.989970] ? __schedule+0x8d7/0x21d0 [ 447.993883] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 447.998925] ? __sched_text_start+0x8/0x8 [ 448.003081] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.007667] ? find_held_lock+0x36/0x1c0 [ 448.011738] ? lock_acquire+0x1ed/0x520 [ 448.015714] ? bpf_test_run+0x3cb/0x780 [ 448.019706] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.025248] ? check_preemption_disabled+0x48/0x280 [ 448.030276] ? kasan_check_read+0x11/0x20 [ 448.034428] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.039714] ? rcu_softirq_qs+0x20/0x20 [ 448.043695] ? preempt_schedule+0x4d/0x60 [ 448.047879] ? ___preempt_schedule+0x16/0x18 [ 448.052312] ? bpf_test_run+0x25d/0x780 [ 448.056317] ? netlink_diag_dump+0x2a0/0x2a0 [ 448.060733] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 448.065499] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 448.070262] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 448.075105] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 448.080646] ? fput+0x130/0x1a0 [ 448.083950] ? __bpf_prog_get+0x9b/0x290 [ 448.088021] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 448.092870] ? bpf_prog_test_run+0x130/0x1a0 [ 448.097289] ? __x64_sys_bpf+0x3d8/0x520 [ 448.101355] ? bpf_prog_get+0x20/0x20 [ 448.105191] ? do_syscall_64+0x1b9/0x820 [ 448.109291] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 448.114669] ? syscall_return_slowpath+0x5e0/0x5e0 [ 448.119604] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.124457] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.129481] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 448.134515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.140077] ? prepare_exit_to_usermode+0x291/0x3b0 [ 448.145139] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.150009] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 448.155419] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 448.155513] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 448.162114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 448.162133] Call Trace: [ 448.162141] [ 448.162161] dump_stack+0x244/0x39d [ 448.162198] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.162227] warn_alloc.cold.117+0xb7/0x1bd [ 448.168807] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 448.178061] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 448.180636] syz-executor3 cpuset= [ 448.182791] ? lock_downgrade+0x900/0x900 [ 448.186410] syz3 [ 448.191603] ? trace_hardirqs_off+0xb8/0x310 [ 448.195911] mems_allowed=0 [ 448.206409] ? trace_hardirqs_off+0xb8/0x310 [ 448.232515] __alloc_pages_slowpath+0x2660/0x2d70 [ 448.237406] ? warn_alloc+0x120/0x120 [ 448.241224] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.246255] ? warn_alloc+0x120/0x120 [ 448.250066] ? print_usage_bug+0xc0/0xc0 [ 448.254129] ? warn_alloc+0x120/0x120 [ 448.257930] ? print_usage_bug+0xc0/0xc0 [ 448.262002] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.267210] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.272756] ? should_fail+0x22d/0xd01 [ 448.276656] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.281773] ? __lock_acquire+0x62f/0x4c20 [ 448.286015] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 448.291121] ? should_fail+0x22d/0xd01 [ 448.295027] ? mark_held_locks+0x130/0x130 [ 448.299272] ? mark_held_locks+0x130/0x130 [ 448.303512] ? print_usage_bug+0xc0/0xc0 [ 448.307587] ? find_held_lock+0x36/0x1c0 [ 448.311652] ? zap_class+0x640/0x640 [ 448.315379] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.320942] ? check_preemption_disabled+0x48/0x280 [ 448.326022] ? __lock_is_held+0xb5/0x140 [ 448.330108] __alloc_pages_nodemask+0xa80/0xde0 [ 448.334788] ? zap_class+0x640/0x640 [ 448.338513] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 448.343548] ? find_held_lock+0x36/0x1c0 [ 448.347624] ? ____cache_alloc_node+0x1c7/0x1e0 [ 448.352305] ? lock_downgrade+0x900/0x900 [ 448.356474] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.362035] cache_grow_begin+0xa5/0x8c0 [ 448.366106] ? do_raw_spin_unlock+0xa7/0x330 [ 448.370527] fallback_alloc+0x204/0x2e0 [ 448.374527] ____cache_alloc_node+0x1c7/0x1e0 [ 448.379042] kmem_cache_alloc_node+0xe3/0x730 [ 448.383542] ? mark_held_locks+0xc7/0x130 [ 448.387706] __alloc_skb+0x119/0x770 [ 448.391431] ? netdev_alloc_frag+0x1f0/0x1f0 [ 448.395867] ? do_raw_spin_trylock+0x270/0x270 [ 448.400462] ? kmem_cache_alloc_trace+0x353/0x750 [ 448.405320] ? queue_work_on+0x12c/0x1e0 [ 448.409399] ? switchdev_port_obj_del+0xdc/0x440 [ 448.414176] ? switchdev_trans_item_enqueue+0x260/0x260 [ 448.419558] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 448.424594] __br_mdb_notify+0x4ff/0x15d0 [ 448.428748] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.433896] ? __br_mdb_add+0x7f0/0x7f0 [ 448.437881] ? mark_held_locks+0x130/0x130 [ 448.442139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.447300] ? debug_object_assert_init+0x368/0x4b0 [ 448.452344] ? debug_object_init_on_stack+0x20/0x20 [ 448.457368] ? zap_class+0x640/0x640 [ 448.461098] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.466650] br_mdb_notify+0x310/0x410 [ 448.470543] ? br_mdb_dump+0x27b0/0x27b0 [ 448.474630] br_multicast_del_pg+0x3df/0x790 [ 448.479053] ? br_mdb_ip_get+0x940/0x940 [ 448.483122] ? rwlock_bug.part.2+0x90/0x90 [ 448.487363] ? __lock_is_held+0xb5/0x140 [ 448.491453] br_multicast_port_group_expired+0x189/0x1e0 [ 448.496915] call_timer_fn+0x272/0x920 [ 448.500812] ? br_multicast_del_pg+0x790/0x790 [ 448.505398] ? process_timeout+0x40/0x40 [ 448.509471] ? mark_held_locks+0xc7/0x130 [ 448.513629] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.518125] ? _raw_spin_unlock_irq+0x27/0x80 [ 448.522620] ? br_multicast_del_pg+0x790/0x790 [ 448.527210] ? lockdep_hardirqs_on+0x296/0x5b0 [ 448.531810] ? trace_hardirqs_on+0xbd/0x310 [ 448.536136] ? kasan_check_read+0x11/0x20 [ 448.540304] ? __run_timers+0x7da/0xc70 [ 448.544313] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.549449] ? br_multicast_del_pg+0x790/0x790 [ 448.554054] ? br_multicast_del_pg+0x790/0x790 [ 448.558641] __run_timers+0x7e5/0xc70 [ 448.562455] ? timer_fixup_init+0x70/0x70 [ 448.566669] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 448.571690] ? zap_class+0x640/0x640 [ 448.575412] ? print_usage_bug+0xc0/0xc0 [ 448.579479] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 448.584679] ? find_held_lock+0x36/0x1c0 [ 448.588749] ? zap_class+0x640/0x640 [ 448.592477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.598019] ? check_preemption_disabled+0x48/0x280 [ 448.603050] ? __lock_is_held+0xb5/0x140 [ 448.607122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.612661] ? check_preemption_disabled+0x48/0x280 [ 448.617908] run_timer_softirq+0x52/0xb0 [ 448.621975] ? rcu_read_lock_sched_held+0x14f/0x180 [ 448.627009] __do_softirq+0x308/0xb7e [ 448.630829] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 448.635353] ? lock_downgrade+0x900/0x900 [ 448.639510] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 448.644628] ? pvclock_read_flags+0x160/0x160 [ 448.649129] ? lapic_next_event+0x5a/0x90 [ 448.653288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.658839] ? kvm_clock_read+0x18/0x30 [ 448.662819] ? kvm_sched_clock_read+0x9/0x20 [ 448.667231] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 448.672770] ? check_preemption_disabled+0x48/0x280 [ 448.677803] irq_exit+0x17f/0x1c0 [ 448.681264] smp_apic_timer_interrupt+0x1cb/0x760 [ 448.686111] ? smp_reschedule_interrupt+0x109/0x650 [ 448.691170] ? smp_call_function_single_interrupt+0x650/0x650 [ 448.697071] ? interrupt_entry+0xb5/0xc0 [ 448.701136] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.706154] ? trace_hardirqs_off_caller+0xbb/0x310 [ 448.711175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.716020] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.721041] ? trace_hardirqs_on_caller+0x310/0x310 [ 448.726096] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 448.730960] apic_timer_interrupt+0xf/0x20 [ 448.735205] [ 448.737479] RIP: 0010:dump_stack+0x358/0x39d [ 448.741905] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 448.760805] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 448.768518] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 448.775794] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 448.783061] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 448.790328] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 448.797597] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 448.804893] ? dump_stack+0x34f/0x39d [ 448.808716] ? dump_stack_print_info.cold.1+0x20/0x20 [ 448.813926] dump_header+0x27b/0xf72 [ 448.817657] ? mark_held_locks+0x130/0x130 [ 448.821903] ? pagefault_out_of_memory+0x197/0x197 [ 448.826841] ? __lock_acquire+0x62f/0x4c20 [ 448.831078] ? zap_class+0x640/0x640 [ 448.834794] ? percpu_ref_get_many+0x240/0x240 [ 448.839392] ? print_usage_bug+0xc0/0xc0 [ 448.843463] ? print_usage_bug+0xc0/0xc0 [ 448.847578] ? zap_class+0x640/0x640 [ 448.851299] ? print_usage_bug+0xc0/0xc0 [ 448.855360] ? print_usage_bug+0xc0/0xc0 [ 448.859433] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 448.864980] ? find_held_lock+0x36/0x1c0 [ 448.869052] ? mark_held_locks+0xc7/0x130 [ 448.873208] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.878346] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 448.883460] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 448.888047] ? trace_hardirqs_on+0xbd/0x310 [ 448.892372] ? kasan_check_read+0x11/0x20 [ 448.896525] ? ___ratelimit+0x3b4/0x672 [ 448.900506] ? trace_hardirqs_off_caller+0x310/0x310 [ 448.905608] ? trace_hardirqs_on+0x310/0x310 [ 448.910014] ? lock_downgrade+0x900/0x900 [ 448.914170] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 448.919277] ? ___ratelimit+0x3b9/0x672 [ 448.923253] ? idr_get_free+0xec0/0xec0 [ 448.927226] ? find_held_lock+0x36/0x1c0 [ 448.931301] oom_kill_process.cold.27+0x10/0x903 [ 448.936074] ? zap_class+0x640/0x640 [ 448.939786] ? check_preemption_disabled+0x48/0x280 [ 448.944810] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.949738] ? kasan_check_read+0x11/0x20 [ 448.953891] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.959210] ? oom_evaluate_task+0x540/0x540 [ 448.963628] ? find_held_lock+0x36/0x1c0 [ 448.967699] ? out_of_memory+0x974/0x1430 [ 448.971852] ? lock_downgrade+0x900/0x900 [ 448.976006] ? check_preemption_disabled+0x48/0x280 [ 448.981024] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 448.985967] ? kasan_check_read+0x11/0x20 [ 448.990117] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 448.995396] ? rcu_softirq_qs+0x20/0x20 [ 448.999387] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.004925] ? oom_evaluate_task+0x302/0x540 [ 449.009345] out_of_memory+0xa84/0x1430 [ 449.013332] ? oom_killer_disable+0x3a0/0x3a0 [ 449.017833] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 449.022765] ? __mutex_add_waiter+0x2a0/0x2a0 [ 449.027276] __alloc_pages_slowpath+0x22d4/0x2d70 [ 449.032149] ? warn_alloc+0x120/0x120 [ 449.035987] ? rcu_softirq_qs+0x20/0x20 [ 449.040000] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.045548] ? should_fail+0x22d/0xd01 [ 449.049447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.054554] ? zap_class+0x640/0x640 [ 449.058309] ? __lock_is_held+0xb5/0x140 [ 449.062384] ? mark_held_locks+0x130/0x130 [ 449.066622] ? lock_release+0xa00/0xa00 [ 449.070601] ? perf_trace_sched_process_exec+0x860/0x860 [ 449.076070] ? __might_sleep+0x95/0x190 [ 449.080062] __alloc_pages_nodemask+0xa80/0xde0 [ 449.084739] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 449.089756] ? __page_cache_alloc+0x191/0x5c0 [ 449.094255] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.099184] ? kasan_check_read+0x11/0x20 [ 449.103335] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.108619] ? zap_class+0x640/0x640 [ 449.112356] ? zap_class+0x640/0x640 [ 449.116069] ? zap_class+0x640/0x640 [ 449.119783] ? __do_page_cache_readahead+0x7ce/0x980 [ 449.124894] ? find_held_lock+0x36/0x1c0 [ 449.128969] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 449.134517] alloc_pages_current+0x173/0x350 [ 449.138937] __page_cache_alloc+0x38c/0x5c0 [ 449.143294] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.148230] ? kasan_check_read+0x11/0x20 [ 449.152407] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.157702] ? generic_perform_write+0x6a0/0x6a0 [ 449.162458] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.167999] ? check_preemption_disabled+0x48/0x280 [ 449.173023] filemap_fault+0x1594/0x25f0 [ 449.177102] ? __lock_page_or_retry+0xa00/0xa00 [ 449.181776] ? mark_held_locks+0x130/0x130 [ 449.186013] ? rcu_softirq_qs+0x20/0x20 [ 449.190005] ? filemap_map_pages+0xe04/0x1990 [ 449.194516] ? __free_object+0x173/0x340 [ 449.198587] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 449.203538] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.208654] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 449.213350] ? debug_object_free+0x32d/0x690 [ 449.217770] ? kasan_check_read+0x11/0x20 [ 449.222106] ? debug_object_destroy+0x2b0/0x2b0 [ 449.226776] ? lock_pi_update_atomic+0x150/0x150 [ 449.231533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.237074] ? __hrtimer_init+0xdb/0x240 [ 449.241147] ? lock_acquire+0x1ed/0x520 [ 449.245123] ? ext4_filemap_fault+0x7a/0xad [ 449.249451] ? lock_release+0xa00/0xa00 [ 449.253428] ? perf_trace_sched_process_exec+0x860/0x860 [ 449.258895] ? print_usage_bug+0xc0/0xc0 [ 449.262969] ? print_usage_bug+0xc0/0xc0 [ 449.267049] ? down_read+0x8d/0x120 [ 449.270685] ? ext4_filemap_fault+0x7a/0xad [ 449.275015] ? __down_interruptible+0x700/0x700 [ 449.279699] ext4_filemap_fault+0x82/0xad [ 449.283853] __do_fault+0x100/0x6b0 [ 449.287490] ? pmd_devmap_trans_unstable+0x220/0x220 [ 449.292601] ? mark_held_locks+0x130/0x130 [ 449.296846] ? mark_held_locks+0x130/0x130 [ 449.301085] ? debug_smp_processor_id+0x1c/0x20 [ 449.305756] ? perf_trace_lock+0x14d/0x7a0 [ 449.310002] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.315545] __handle_mm_fault+0x307c/0x5920 [ 449.319972] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 449.324816] ? lock_is_held_type+0x210/0x210 [ 449.329253] ? zap_class+0x640/0x640 [ 449.332971] ? zap_class+0x640/0x640 [ 449.336690] ? __x64_sys_futex+0x53e/0x6a0 [ 449.340934] ? find_held_lock+0x36/0x1c0 [ 449.345013] ? handle_mm_fault+0x42a/0xc70 [ 449.349278] ? lock_downgrade+0x900/0x900 [ 449.353425] ? check_preemption_disabled+0x48/0x280 [ 449.358449] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 449.363383] ? kasan_check_read+0x11/0x20 [ 449.367562] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.372845] ? rcu_softirq_qs+0x20/0x20 [ 449.376823] ? trace_hardirqs_off_caller+0x310/0x310 [ 449.381926] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.387467] ? check_preemption_disabled+0x48/0x280 [ 449.392494] handle_mm_fault+0x54f/0xc70 [ 449.396560] ? __handle_mm_fault+0x5920/0x5920 [ 449.401148] ? find_vma+0x34/0x190 [ 449.404699] __do_page_fault+0x5e8/0xe60 [ 449.408760] ? trace_hardirqs_off+0xb8/0x310 [ 449.413166] ? trace_hardirqs_off+0xb8/0x310 [ 449.417591] do_page_fault+0xf2/0x7e0 [ 449.421394] ? vmalloc_sync_all+0x30/0x30 [ 449.425559] ? error_entry+0x70/0xd0 [ 449.429282] ? trace_hardirqs_off_caller+0xbb/0x310 [ 449.434299] ? trace_hardirqs_on_caller+0xc0/0x310 [ 449.439231] ? syscall_return_slowpath+0x5e0/0x5e0 [ 449.444162] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.449010] ? trace_hardirqs_on_caller+0x310/0x310 [ 449.454027] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 449.459505] ? prepare_exit_to_usermode+0x291/0x3b0 [ 449.464526] ? page_fault+0x8/0x30 [ 449.468070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 449.472920] ? page_fault+0x8/0x30 [ 449.476474] page_fault+0x1e/0x30 [ 449.479932] RIP: 0033:0x45ddf3 [ 449.483144] Code: Bad RIP value. [ 449.486504] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 449.491881] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 449.499149] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 449.506415] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 449.513690] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 449.520964] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 449.528292] warn_alloc_show_mem: 1 callbacks suppressed [ 449.528304] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 449.528306] Mem-Info: [ 449.528337] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 449.528337] active_file:13 inactive_file:17 isolated_file:0 [ 449.528337] unevictable:0 dirty:0 writeback:0 unstable:0 [ 449.528337] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 449.528337] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 449.528337] free:13759 free_pcp:161 free_cma:0 [ 449.533690] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 449.540711] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 449.543113] Call Trace: [ 449.576071] Node 0 [ 449.585434] [ 449.613114] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 449.615906] dump_stack+0x244/0x39d [ 449.618112] lowmem_reserve[]: [ 449.620270] ? dump_stack_print_info.cold.1+0x20/0x20 [ 449.645752] 0 [ 449.649386] warn_alloc.cold.117+0xb7/0x1bd [ 449.652452] 2819 6323 [ 449.657653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 449.659435] 6323 [ 449.663757] ? lock_downgrade+0x900/0x900 [ 449.671077] ? trace_hardirqs_off+0xb8/0x310 [ 449.673125] Node 0 [ 449.677278] ? trace_hardirqs_off+0xb8/0x310 [ 449.681714] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 449.683928] __alloc_pages_slowpath+0x2660/0x2d70 [ 449.688302] lowmem_reserve[]: 0 [ 449.715063] ? warn_alloc+0x120/0x120 [ 449.719878] 0 [ 449.723528] ? warn_alloc+0x120/0x120 [ 449.727315] 3503 [ 449.729115] ? print_usage_bug+0xc0/0xc0 [ 449.732890] 3503 [ 449.734974] ? warn_alloc+0x120/0x120 [ 449.739017] Node 0 [ 449.741076] ? print_usage_bug+0xc0/0xc0 [ 449.744883] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 449.747093] ? __lock_acquire+0x62f/0x4c20 [ 449.751128] lowmem_reserve[]: 0 [ 449.779414] ? __lock_acquire+0x62f/0x4c20 [ 449.783631] 0 [ 449.786910] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 449.791119] 0 [ 449.792927] ? should_fail+0x22d/0xd01 [ 449.798478] 0 [ 449.800283] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.805988] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.811247] Node 0 DMA: [ 449.816356] ? __lock_acquire+0x62f/0x4c20 [ 449.816377] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 449.819025] 1*4kB [ 449.823270] ? __lock_acquire+0x62f/0x4c20 [ 449.828349] (U) [ 449.830507] ? should_fail+0x22d/0xd01 [ 449.834722] 0*8kB [ 449.836702] ? rcu_irq_exit+0x1a2/0x390 [ 449.840568] 0*16kB [ 449.842722] ? mark_held_locks+0x130/0x130 [ 449.846671] 1*32kB [ 449.848903] ? mark_held_locks+0x130/0x130 [ 449.853115] (U) [ 449.855355] ? mark_held_locks+0xc7/0x130 [ 449.859566] 2*64kB [ 449.861541] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 449.865660] (U) [ 449.867915] ? zap_class+0x640/0x640 [ 449.872924] 1*128kB [ 449.874893] ? print_usage_bug+0xc0/0xc0 [ 449.878611] (U) [ 449.880937] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.884983] 1*256kB [ 449.886953] ? check_preemption_disabled+0x48/0x280 [ 449.892486] (U) [ 449.894816] ? __lock_is_held+0xb5/0x140 [ 449.899812] 0*512kB [ 449.901786] __alloc_pages_nodemask+0xa80/0xde0 [ 449.905821] 1*1024kB [ 449.908160] ? zap_class+0x640/0x640 [ 449.912812] (U) [ 449.915233] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 449.918925] 1*2048kB [ 449.920906] ? find_held_lock+0x36/0x1c0 [ 449.925889] (M) 3*4096kB [ 449.928316] ? ____cache_alloc_node+0x1c7/0x1e0 [ 449.932348] (M) [ 449.935105] ? lock_downgrade+0x900/0x900 [ 449.939746] = 15908kB [ 449.939755] Node 0 [ 449.941732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 449.945858] DMA32: [ 449.948269] cache_grow_begin+0xa5/0x8c0 [ 449.950485] 5*4kB [ 449.956014] ? do_raw_spin_unlock+0xa7/0x330 [ 449.958244] (UM) [ 449.962332] fallback_alloc+0x204/0x2e0 [ 449.964451] 1*8kB (M) 3*16kB [ 449.968887] ____cache_alloc_node+0x1c7/0x1e0 [ 449.970924] (M) [ 449.974909] kmem_cache_alloc_node+0xe3/0x730 [ 449.977995] 3*32kB [ 449.982488] ? ipv6_get_ifaddr+0x42e/0x620 [ 449.984445] (UM) [ 449.988966] __alloc_skb+0x119/0x770 [ 449.991192] 2*64kB [ 449.995419] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 449.997456] (M) 2*128kB [ 450.001178] ? netdev_alloc_frag+0x1f0/0x1f0 [ 450.003403] (M) [ 450.008679] ? lock_downgrade+0x900/0x900 [ 450.011328] 4*256kB [ 450.015732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.017682] (M) [ 450.021828] ? refcount_sub_and_test_checked+0x203/0x310 [ 450.024140] 4*512kB [ 450.029674] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 450.031632] (UM) [ 450.037076] ? addrconf_rs_timer+0x690/0x690 [ 450.039397] 3*1024kB [ 450.044857] ndisc_alloc_skb+0x144/0x340 [ 450.046889] (UM) [ 450.051291] ndisc_send_rs+0x331/0x6e0 [ 450.053684] 3*2048kB [ 450.057742] addrconf_rs_timer+0x314/0x690 [ 450.059781] (M) [ 450.063668] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.066054] 3*4096kB (M) [ 450.070309] call_timer_fn+0x272/0x920 [ 450.072255] = 25132kB [ 450.076496] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.079238] Node 0 [ 450.083125] ? process_timeout+0x40/0x40 [ 450.085514] Normal: [ 450.089753] ? __run_timers+0x7da/0xc70 [ 450.091978] 951*4kB [ 450.096037] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.098347] (UMEH) [ 450.102316] ? _raw_spin_unlock_irq+0x27/0x80 [ 450.104618] 234*8kB [ 450.109127] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.111332] (UME) 222*16kB [ 450.115841] ? lockdep_hardirqs_on+0x296/0x5b0 [ 450.118147] (UMEH) [ 450.122383] ? trace_hardirqs_on+0xbd/0x310 [ 450.125296] 132*32kB [ 450.129877] ? kasan_check_read+0x11/0x20 [ 450.132089] (UM) [ 450.136417] ? __run_timers+0x7da/0xc70 [ 450.138810] 1*64kB [ 450.142984] ? trace_hardirqs_off_caller+0x310/0x310 [ 450.145024] (H) [ 450.148998] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.151227] 0*128kB [ 450.156351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 450.158308] 0*256kB [ 450.162534] __run_timers+0x7e5/0xc70 [ 450.164837] 1*512kB [ 450.169086] ? timer_fixup_init+0x70/0x70 [ 450.171380] (H) [ 450.175173] ? kasan_check_read+0x11/0x20 [ 450.177510] 0*1024kB [ 450.181653] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.183609] 0*2048kB [ 450.187754] ? rcu_softirq_qs+0x20/0x20 [ 450.190146] 0*4096kB [ 450.195435] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.197861] = 14028kB [ 450.201844] ? check_preemption_disabled+0x48/0x280 [ 450.204238] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 450.209769] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.212158] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 450.217166] ? retint_kernel+0x2d/0x2d [ 450.225980] 4244 total pagecache pages [ 450.230733] ? trace_hardirqs_on_caller+0xc0/0x310 [ 450.239294] 0 pages in swap cache [ 450.243167] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 450.247144] Swap cache stats: add 0, delete 0, find 0/0 [ 450.252098] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 450.255528] Free swap = 0kB [ 450.260276] ? zap_class+0x640/0x640 [ 450.265614] Total swap = 0kB [ 450.265627] 1965979 pages RAM [ 450.271077] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.274092] 0 pages HighMem/MovableOnly [ 450.277823] ? check_preemption_disabled+0x48/0x280 [ 450.280844] 342293 pages reserved [ 450.283951] ? __lock_is_held+0xb5/0x140 [ 450.289480] 0 pages cma reserved [ 450.293446] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.298617] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.301896] ? check_preemption_disabled+0x48/0x280 [ 450.305942] syz-fuzzer cpuset= [ 450.309315] run_timer_softirq+0x52/0xb0 [ 450.314827] / [ 450.325046] ? rcu_read_lock_sched_held+0x14f/0x180 [ 450.330045] mems_allowed=0 [ 450.333236] __do_softirq+0x308/0xb7e [ 450.350684] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 450.355190] ? lock_downgrade+0x900/0x900 [ 450.359360] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 450.364494] ? pvclock_read_flags+0x160/0x160 [ 450.368996] ? lapic_next_event+0x5a/0x90 [ 450.373150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.378698] ? kvm_clock_read+0x18/0x30 [ 450.382677] ? kvm_sched_clock_read+0x9/0x20 [ 450.387092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.392631] ? check_preemption_disabled+0x48/0x280 [ 450.397665] irq_exit+0x17f/0x1c0 [ 450.401135] smp_apic_timer_interrupt+0x1cb/0x760 [ 450.405981] ? smp_reschedule_interrupt+0x109/0x650 [ 450.411007] ? smp_call_function_single_interrupt+0x650/0x650 [ 450.416928] ? interrupt_entry+0xb5/0xc0 [ 450.420991] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.426009] ? trace_hardirqs_off_caller+0xbb/0x310 [ 450.431029] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.435871] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.440886] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.445900] ? task_prio+0x50/0x50 [ 450.449440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.454985] ? check_preemption_disabled+0x48/0x280 [ 450.460008] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.464865] apic_timer_interrupt+0xf/0x20 [ 450.469094] [ 450.471333] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 450.476266] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 450.495167] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 450.502878] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 450.510143] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 450.517410] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 450.524674] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 450.531944] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 450.539285] skb_clone+0x1bb/0x500 [ 450.542828] ? finish_task_switch+0x2f4/0x910 [ 450.547338] ? skb_split+0x11e0/0x11e0 [ 450.551241] ? preempt_notifier_register+0x200/0x200 [ 450.556348] ? __switch_to_asm+0x34/0x70 [ 450.560425] ? __switch_to_asm+0x34/0x70 [ 450.564488] ? __switch_to_asm+0x40/0x70 [ 450.568570] ? __switch_to_asm+0x34/0x70 [ 450.572631] ? __switch_to_asm+0x40/0x70 [ 450.576689] ? __switch_to_asm+0x34/0x70 [ 450.580750] ? __switch_to_asm+0x40/0x70 [ 450.584809] ? __switch_to_asm+0x34/0x70 [ 450.588871] ? __switch_to_asm+0x34/0x70 [ 450.592944] ? __switch_to_asm+0x40/0x70 [ 450.597011] ? __switch_to_asm+0x34/0x70 [ 450.601098] bpf_clone_redirect+0xb9/0x490 [ 450.605344] ? __schedule+0x8d7/0x21d0 [ 450.609252] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 450.614807] ? __sched_text_start+0x8/0x8 [ 450.618999] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 450.623585] ? find_held_lock+0x36/0x1c0 [ 450.627653] ? lock_acquire+0x1ed/0x520 [ 450.631628] ? bpf_test_run+0x3cb/0x780 [ 450.635605] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.641140] ? check_preemption_disabled+0x48/0x280 [ 450.646164] ? kasan_check_read+0x11/0x20 [ 450.650320] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 450.655600] ? rcu_softirq_qs+0x20/0x20 [ 450.659762] ? preempt_schedule+0x4d/0x60 [ 450.663914] ? ___preempt_schedule+0x16/0x18 [ 450.668333] ? bpf_test_run+0x25d/0x780 [ 450.672321] ? netlink_diag_dump+0x2a0/0x2a0 [ 450.676732] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 450.681497] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 450.686261] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.691106] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 450.696646] ? fput+0x130/0x1a0 [ 450.699932] ? __bpf_prog_get+0x9b/0x290 [ 450.704004] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 450.708850] ? bpf_prog_test_run+0x130/0x1a0 [ 450.713289] ? __x64_sys_bpf+0x3d8/0x520 [ 450.717365] ? bpf_prog_get+0x20/0x20 [ 450.721197] ? do_syscall_64+0x1b9/0x820 [ 450.725265] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 450.730645] ? syscall_return_slowpath+0x5e0/0x5e0 [ 450.735586] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.740454] ? trace_hardirqs_on_caller+0x310/0x310 [ 450.745480] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 450.750501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.756044] ? prepare_exit_to_usermode+0x291/0x3b0 [ 450.761073] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 450.765927] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 450.771311] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 450.771409] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 450.777998] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 450.778003] Call Trace: [ 450.778009] [ 450.778027] dump_stack+0x244/0x39d [ 450.778045] ? dump_stack_print_info.cold.1+0x20/0x20 [ 450.784584] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 450.793881] warn_alloc.cold.117+0xb7/0x1bd [ 450.796436] syz-executor3 cpuset= [ 450.798585] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 450.802189] syz3 mems_allowed=0 [ 450.807391] ? lock_downgrade+0x900/0x900 [ 450.837918] ? trace_hardirqs_off+0xb8/0x310 [ 450.842337] ? trace_hardirqs_off+0xb8/0x310 [ 450.846753] __alloc_pages_slowpath+0x2660/0x2d70 [ 450.851631] ? warn_alloc+0x120/0x120 [ 450.855435] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 450.860457] ? warn_alloc+0x120/0x120 [ 450.864295] ? print_usage_bug+0xc0/0xc0 [ 450.868355] ? warn_alloc+0x120/0x120 [ 450.872204] ? print_usage_bug+0xc0/0xc0 [ 450.876280] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 450.881491] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 450.887036] ? should_fail+0x22d/0xd01 [ 450.890929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.896050] ? __lock_acquire+0x62f/0x4c20 [ 450.900290] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 450.905396] ? should_fail+0x22d/0xd01 [ 450.909308] ? mark_held_locks+0x130/0x130 [ 450.913544] ? mark_held_locks+0x130/0x130 [ 450.917799] ? print_usage_bug+0xc0/0xc0 [ 450.921895] ? find_held_lock+0x36/0x1c0 [ 450.925966] ? zap_class+0x640/0x640 [ 450.929688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.935238] ? check_preemption_disabled+0x48/0x280 [ 450.940263] ? __lock_is_held+0xb5/0x140 [ 450.944347] __alloc_pages_nodemask+0xa80/0xde0 [ 450.949016] ? zap_class+0x640/0x640 [ 450.952750] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 450.957793] ? find_held_lock+0x36/0x1c0 [ 450.961874] ? ____cache_alloc_node+0x1c7/0x1e0 [ 450.966562] ? lock_downgrade+0x900/0x900 [ 450.970722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 450.976268] cache_grow_begin+0xa5/0x8c0 [ 450.980331] ? do_raw_spin_unlock+0xa7/0x330 [ 450.984773] fallback_alloc+0x204/0x2e0 [ 450.988768] ____cache_alloc_node+0x1c7/0x1e0 [ 450.993271] kmem_cache_alloc_node+0xe3/0x730 [ 450.997765] ? mark_held_locks+0xc7/0x130 [ 451.001963] __alloc_skb+0x119/0x770 [ 451.005683] ? netdev_alloc_frag+0x1f0/0x1f0 [ 451.010092] ? do_raw_spin_trylock+0x270/0x270 [ 451.014682] ? kmem_cache_alloc_trace+0x353/0x750 [ 451.019536] ? queue_work_on+0x12c/0x1e0 [ 451.023610] ? switchdev_port_obj_del+0xdc/0x440 [ 451.028369] ? switchdev_trans_item_enqueue+0x260/0x260 [ 451.033741] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 451.038767] __br_mdb_notify+0x4ff/0x15d0 [ 451.042919] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.048037] ? __br_mdb_add+0x7f0/0x7f0 [ 451.052015] ? mark_held_locks+0x130/0x130 [ 451.056259] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.061368] ? debug_object_assert_init+0x368/0x4b0 [ 451.066400] ? debug_object_init_on_stack+0x20/0x20 [ 451.071424] ? zap_class+0x640/0x640 [ 451.075153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.080879] br_mdb_notify+0x310/0x410 [ 451.084770] ? br_mdb_dump+0x27b0/0x27b0 [ 451.088866] br_multicast_del_pg+0x3df/0x790 [ 451.093310] ? br_mdb_ip_get+0x940/0x940 [ 451.097402] ? rwlock_bug.part.2+0x90/0x90 [ 451.101657] ? __lock_is_held+0xb5/0x140 [ 451.105729] br_multicast_port_group_expired+0x189/0x1e0 [ 451.111204] call_timer_fn+0x272/0x920 [ 451.115097] ? br_multicast_del_pg+0x790/0x790 [ 451.119684] ? process_timeout+0x40/0x40 [ 451.123759] ? mark_held_locks+0xc7/0x130 [ 451.127925] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.132455] ? _raw_spin_unlock_irq+0x27/0x80 [ 451.136956] ? br_multicast_del_pg+0x790/0x790 [ 451.141542] ? lockdep_hardirqs_on+0x296/0x5b0 [ 451.146127] ? trace_hardirqs_on+0xbd/0x310 [ 451.150457] ? kasan_check_read+0x11/0x20 [ 451.154619] ? __run_timers+0x7da/0xc70 [ 451.158600] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.163708] ? br_multicast_del_pg+0x790/0x790 [ 451.168297] ? br_multicast_del_pg+0x790/0x790 [ 451.172883] __run_timers+0x7e5/0xc70 [ 451.176716] ? timer_fixup_init+0x70/0x70 [ 451.180885] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 451.185900] ? zap_class+0x640/0x640 [ 451.189621] ? print_usage_bug+0xc0/0xc0 [ 451.193687] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 451.198885] ? find_held_lock+0x36/0x1c0 [ 451.202970] ? zap_class+0x640/0x640 [ 451.206695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.212233] ? check_preemption_disabled+0x48/0x280 [ 451.217263] ? __lock_is_held+0xb5/0x140 [ 451.221340] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.226895] ? check_preemption_disabled+0x48/0x280 [ 451.231965] run_timer_softirq+0x52/0xb0 [ 451.236031] ? rcu_read_lock_sched_held+0x14f/0x180 [ 451.241074] __do_softirq+0x308/0xb7e [ 451.244893] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 451.249398] ? lock_downgrade+0x900/0x900 [ 451.253556] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 451.258675] ? pvclock_read_flags+0x160/0x160 [ 451.263182] ? lapic_next_event+0x5a/0x90 [ 451.267344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.272900] ? kvm_clock_read+0x18/0x30 [ 451.277048] ? kvm_sched_clock_read+0x9/0x20 [ 451.281462] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.287005] ? check_preemption_disabled+0x48/0x280 [ 451.292041] irq_exit+0x17f/0x1c0 [ 451.295500] smp_apic_timer_interrupt+0x1cb/0x760 [ 451.300345] ? smp_reschedule_interrupt+0x109/0x650 [ 451.305369] ? smp_call_function_single_interrupt+0x650/0x650 [ 451.311261] ? interrupt_entry+0xb5/0xc0 [ 451.315324] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.320338] ? trace_hardirqs_off_caller+0xbb/0x310 [ 451.325387] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.330230] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.335245] ? trace_hardirqs_on_caller+0x310/0x310 [ 451.340274] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 451.345156] apic_timer_interrupt+0xf/0x20 [ 451.349388] [ 451.351627] RIP: 0010:dump_stack+0x358/0x39d [ 451.356041] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 451.374940] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 451.382663] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 451.389961] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 451.397227] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 451.404497] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 451.411764] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 451.419048] ? dump_stack+0x34f/0x39d [ 451.422880] ? dump_stack_print_info.cold.1+0x20/0x20 [ 451.428098] dump_header+0x27b/0xf72 [ 451.431820] ? mark_held_locks+0x130/0x130 [ 451.436056] ? pagefault_out_of_memory+0x197/0x197 [ 451.441035] ? __lock_acquire+0x62f/0x4c20 [ 451.445271] ? zap_class+0x640/0x640 [ 451.448990] ? percpu_ref_get_many+0x240/0x240 [ 451.453570] ? print_usage_bug+0xc0/0xc0 [ 451.457633] ? print_usage_bug+0xc0/0xc0 [ 451.461699] ? zap_class+0x640/0x640 [ 451.465419] ? print_usage_bug+0xc0/0xc0 [ 451.469477] ? print_usage_bug+0xc0/0xc0 [ 451.473549] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.479093] ? find_held_lock+0x36/0x1c0 [ 451.483165] ? mark_held_locks+0xc7/0x130 [ 451.487338] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.492451] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 451.497557] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 451.502144] ? trace_hardirqs_on+0xbd/0x310 [ 451.506479] ? kasan_check_read+0x11/0x20 [ 451.510630] ? ___ratelimit+0x3b4/0x672 [ 451.514621] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.519743] ? trace_hardirqs_on+0x310/0x310 [ 451.524154] ? lock_downgrade+0x900/0x900 [ 451.528317] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 451.533424] ? ___ratelimit+0x3b9/0x672 [ 451.537428] ? idr_get_free+0xec0/0xec0 [ 451.541431] ? find_held_lock+0x36/0x1c0 [ 451.545520] oom_kill_process.cold.27+0x10/0x903 [ 451.550277] ? zap_class+0x640/0x640 [ 451.553994] ? check_preemption_disabled+0x48/0x280 [ 451.559021] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.563955] ? kasan_check_read+0x11/0x20 [ 451.568123] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.573406] ? oom_evaluate_task+0x540/0x540 [ 451.577818] ? find_held_lock+0x36/0x1c0 [ 451.581902] ? out_of_memory+0x974/0x1430 [ 451.586048] ? lock_downgrade+0x900/0x900 [ 451.590203] ? check_preemption_disabled+0x48/0x280 [ 451.595231] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.600159] ? kasan_check_read+0x11/0x20 [ 451.604315] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.609600] ? rcu_softirq_qs+0x20/0x20 [ 451.613597] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.619136] ? oom_evaluate_task+0x302/0x540 [ 451.623587] out_of_memory+0xa84/0x1430 [ 451.627600] ? oom_killer_disable+0x3a0/0x3a0 [ 451.632110] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 451.637064] ? __mutex_add_waiter+0x2a0/0x2a0 [ 451.641573] __alloc_pages_slowpath+0x22d4/0x2d70 [ 451.646474] ? warn_alloc+0x120/0x120 [ 451.650303] ? rcu_softirq_qs+0x20/0x20 [ 451.654313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.659865] ? should_fail+0x22d/0xd01 [ 451.663775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 451.668884] ? zap_class+0x640/0x640 [ 451.672640] ? __lock_is_held+0xb5/0x140 [ 451.676718] ? mark_held_locks+0x130/0x130 [ 451.680967] ? lock_release+0xa00/0xa00 [ 451.684954] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.690433] ? __might_sleep+0x95/0x190 [ 451.694431] __alloc_pages_nodemask+0xa80/0xde0 [ 451.699120] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 451.704154] ? __page_cache_alloc+0x191/0x5c0 [ 451.708654] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.713587] ? kasan_check_read+0x11/0x20 [ 451.717765] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.723607] ? zap_class+0x640/0x640 [ 451.727347] ? zap_class+0x640/0x640 [ 451.731061] ? zap_class+0x640/0x640 [ 451.734779] ? __do_page_cache_readahead+0x7ce/0x980 [ 451.739909] ? find_held_lock+0x36/0x1c0 [ 451.743986] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 451.749539] alloc_pages_current+0x173/0x350 [ 451.753982] __page_cache_alloc+0x38c/0x5c0 [ 451.758322] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.763253] ? kasan_check_read+0x11/0x20 [ 451.767409] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.772710] ? generic_perform_write+0x6a0/0x6a0 [ 451.777479] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.783023] ? check_preemption_disabled+0x48/0x280 [ 451.788059] filemap_fault+0x1594/0x25f0 [ 451.792138] ? __lock_page_or_retry+0xa00/0xa00 [ 451.796817] ? mark_held_locks+0x130/0x130 [ 451.801082] ? rcu_softirq_qs+0x20/0x20 [ 451.805074] ? filemap_map_pages+0xe04/0x1990 [ 451.809587] ? __free_object+0x173/0x340 [ 451.813654] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 451.818594] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.823706] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 451.828414] ? debug_object_free+0x32d/0x690 [ 451.832843] ? kasan_check_read+0x11/0x20 [ 451.837001] ? debug_object_destroy+0x2b0/0x2b0 [ 451.841684] ? lock_pi_update_atomic+0x150/0x150 [ 451.846455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 451.852002] ? __hrtimer_init+0xdb/0x240 [ 451.856080] ? lock_acquire+0x1ed/0x520 [ 451.860062] ? ext4_filemap_fault+0x7a/0xad [ 451.864396] ? lock_release+0xa00/0xa00 [ 451.868378] ? perf_trace_sched_process_exec+0x860/0x860 [ 451.873836] ? print_usage_bug+0xc0/0xc0 [ 451.877904] ? print_usage_bug+0xc0/0xc0 [ 451.881989] ? down_read+0x8d/0x120 [ 451.885634] ? ext4_filemap_fault+0x7a/0xad [ 451.889998] ? __down_interruptible+0x700/0x700 [ 451.894689] ext4_filemap_fault+0x82/0xad [ 451.898846] __do_fault+0x100/0x6b0 [ 451.902490] ? pmd_devmap_trans_unstable+0x220/0x220 [ 451.907599] ? mark_held_locks+0x130/0x130 [ 451.911844] ? mark_held_locks+0x130/0x130 [ 451.916090] ? debug_smp_processor_id+0x1c/0x20 [ 451.920766] ? perf_trace_lock+0x14d/0x7a0 [ 451.925026] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 451.930584] __handle_mm_fault+0x307c/0x5920 [ 451.935030] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 451.939875] ? lock_is_held_type+0x210/0x210 [ 451.944310] ? zap_class+0x640/0x640 [ 451.948039] ? zap_class+0x640/0x640 [ 451.951758] ? __x64_sys_futex+0x53e/0x6a0 [ 451.956008] ? find_held_lock+0x36/0x1c0 [ 451.960092] ? handle_mm_fault+0x42a/0xc70 [ 451.964329] ? lock_downgrade+0x900/0x900 [ 451.968479] ? check_preemption_disabled+0x48/0x280 [ 451.973507] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 451.978701] ? kasan_check_read+0x11/0x20 [ 451.982865] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 451.988144] ? rcu_softirq_qs+0x20/0x20 [ 451.992115] ? trace_hardirqs_off_caller+0x310/0x310 [ 451.997219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.002757] ? check_preemption_disabled+0x48/0x280 [ 452.007784] handle_mm_fault+0x54f/0xc70 [ 452.011851] ? __handle_mm_fault+0x5920/0x5920 [ 452.016441] ? find_vma+0x34/0x190 [ 452.019991] __do_page_fault+0x5e8/0xe60 [ 452.024049] ? trace_hardirqs_off+0xb8/0x310 [ 452.028471] ? trace_hardirqs_off+0xb8/0x310 [ 452.032896] do_page_fault+0xf2/0x7e0 [ 452.036699] ? vmalloc_sync_all+0x30/0x30 [ 452.040859] ? error_entry+0x70/0xd0 [ 452.044590] ? trace_hardirqs_off_caller+0xbb/0x310 [ 452.049603] ? trace_hardirqs_on_caller+0xc0/0x310 [ 452.054534] ? syscall_return_slowpath+0x5e0/0x5e0 [ 452.059466] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.064313] ? trace_hardirqs_on_caller+0x310/0x310 [ 452.069330] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 452.074792] ? prepare_exit_to_usermode+0x291/0x3b0 [ 452.079813] ? page_fault+0x8/0x30 [ 452.083375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 452.088229] ? page_fault+0x8/0x30 [ 452.091774] page_fault+0x1e/0x30 [ 452.095242] RIP: 0033:0x45ddf3 [ 452.098468] Code: Bad RIP value. [ 452.101831] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 452.107206] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 452.114487] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 452.121755] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 452.129036] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 452.136302] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 452.143601] warn_alloc_show_mem: 1 callbacks suppressed [ 452.143613] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 452.143615] Mem-Info: [ 452.143646] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 452.143646] active_file:13 inactive_file:17 isolated_file:0 [ 452.143646] unevictable:0 dirty:0 writeback:0 unstable:0 [ 452.143646] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 452.143646] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 452.143646] free:13759 free_pcp:161 free_cma:0 [ 452.149005] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 452.149014] Call Trace: [ 452.156034] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 452.158434] [ 452.191396] Node 0 [ 452.200757] dump_stack+0x244/0x39d [ 452.203384] 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 [ 452.231028] ? dump_stack_print_info.cold.1+0x20/0x20 [ 452.233167] lowmem_reserve[]: [ 452.235416] warn_alloc.cold.117+0xb7/0x1bd [ 452.239009] 0 [ 452.264509] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 452.269673] 2819 6323 [ 452.272792] ? lock_downgrade+0x900/0x900 [ 452.277088] 6323 [ 452.278892] ? trace_hardirqs_off+0xb8/0x310 [ 452.286207] ? trace_hardirqs_off+0xb8/0x310 [ 452.290334] Node 0 [ 452.292410] __alloc_pages_slowpath+0x2660/0x2d70 [ 452.296816] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 452.301222] ? warn_alloc+0x120/0x120 [ 452.303420] lowmem_reserve[]: [ 452.308272] ? warn_alloc+0x120/0x120 [ 452.334990] 0 0 [ 452.345311] ? print_usage_bug+0xc0/0xc0 [ 452.348399] 3503 [ 452.352205] ? warn_alloc+0x120/0x120 [ 452.354162] 3503 [ 452.358234] ? print_usage_bug+0xc0/0xc0 [ 452.364070] ? __lock_acquire+0x62f/0x4c20 [ 452.366111] Node 0 [ 452.370170] ? __lock_acquire+0x62f/0x4c20 [ 452.374416] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 452.376627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 452.380836] lowmem_reserve[]: [ 452.409117] ? should_fail+0x22d/0xd01 [ 452.414629] 0 [ 452.417731] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.421597] 0 [ 452.423398] ? __lock_acquire+0x62f/0x4c20 [ 452.428480] 0 [ 452.430281] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 452.434491] 0 [ 452.436291] ? __lock_acquire+0x62f/0x4c20 [ 452.443178] ? should_fail+0x22d/0xd01 [ 452.447398] Node 0 [ 452.451280] ? find_held_lock+0x36/0x1c0 [ 452.451283] DMA: 1*4kB [ 452.453529] ? mark_held_locks+0x130/0x130 [ 452.457569] (U) [ 452.460151] ? mark_held_locks+0x130/0x130 [ 452.464373] 0*8kB [ 452.466340] ? zap_class+0x640/0x640 [ 452.470566] 0*16kB 1*32kB [ 452.472721] ? zap_class+0x640/0x640 [ 452.476504] (U) [ 452.479359] ? print_usage_bug+0xc0/0xc0 [ 452.483051] 2*64kB [ 452.485028] ? do_raw_spin_unlock+0xa7/0x330 [ 452.489064] (U) [ 452.491302] ? zap_class+0x640/0x640 [ 452.495690] 1*128kB [ 452.497661] ? print_usage_bug+0xc0/0xc0 [ 452.501365] (U) [ 452.503688] ? wq_watchdog_touch+0x9c/0xfe [ 452.507731] 1*256kB [ 452.509730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.513942] (U) [ 452.516266] ? check_preemption_disabled+0x48/0x280 [ 452.521775] 0*512kB 1*1024kB [ 452.523786] ? __lock_is_held+0xb5/0x140 [ 452.528789] (U) [ 452.531899] __alloc_pages_nodemask+0xa80/0xde0 [ 452.535945] 1*2048kB [ 452.537931] ? zap_class+0x640/0x640 [ 452.542582] (M) [ 452.544990] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 452.548687] 3*4096kB [ 452.550668] ? find_held_lock+0x36/0x1c0 [ 452.555658] (M) [ 452.558073] ? ____cache_alloc_node+0x1c7/0x1e0 [ 452.562108] = 15908kB [ 452.564079] ? lock_downgrade+0x900/0x900 [ 452.568742] Node 0 [ 452.571187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.575316] DMA32: [ 452.577556] cache_grow_begin+0xa5/0x8c0 [ 452.583069] 5*4kB [ 452.585314] ? do_raw_spin_unlock+0xa7/0x330 [ 452.589352] (UM) [ 452.591514] fallback_alloc+0x204/0x2e0 [ 452.595900] 1*8kB [ 452.597971] ____cache_alloc_node+0x1c7/0x1e0 [ 452.601925] (M) [ 452.604078] kmem_cache_alloc_node+0xe3/0x730 [ 452.608549] 3*16kB [ 452.610519] ? ipv6_get_ifaddr+0x42e/0x620 [ 452.615137] (M) 3*32kB [ 452.617396] __alloc_skb+0x119/0x770 [ 452.621597] (UM) [ 452.624197] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.627881] 2*64kB [ 452.629938] ? netdev_alloc_frag+0x1f0/0x1f0 [ 452.635189] (M) 2*128kB [ 452.637443] ? lock_downgrade+0x900/0x900 [ 452.641832] (M) [ 452.644507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.648641] 4*256kB [ 452.650630] ? refcount_sub_and_test_checked+0x203/0x310 [ 452.656141] (M) [ 452.658481] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 452.663896] 4*512kB [ 452.665866] ? addrconf_rs_timer+0x690/0x690 [ 452.671300] (UM) [ 452.673631] ndisc_alloc_skb+0x144/0x340 [ 452.678010] 3*1024kB [ 452.680072] ndisc_send_rs+0x331/0x6e0 [ 452.684113] (UM) [ 452.686523] addrconf_rs_timer+0x314/0x690 [ 452.690394] 3*2048kB [ 452.692464] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.696668] (M) [ 452.699085] call_timer_fn+0x272/0x920 [ 452.703290] 3*4096kB [ 452.705262] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.709127] (M) [ 452.711535] ? process_timeout+0x40/0x40 [ 452.715742] = 25132kB [ 452.715752] Node 0 [ 452.717746] ? __run_timers+0x7da/0xc70 [ 452.721777] Normal: [ 452.724197] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.726402] 951*4kB [ 452.730373] ? _raw_spin_unlock_irq+0x27/0x80 [ 452.732685] (UMEH) [ 452.737177] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.739482] 234*8kB [ 452.743967] ? lockdep_hardirqs_on+0x296/0x5b0 [ 452.743984] ? trace_hardirqs_on+0xbd/0x310 [ 452.746203] (UME) [ 452.750436] ? kasan_check_read+0x11/0x20 [ 452.752740] 222*16kB [ 452.757327] ? __run_timers+0x7da/0xc70 [ 452.761625] (UMEH) [ 452.763775] ? trace_hardirqs_off_caller+0x310/0x310 [ 452.767901] 132*32kB [ 452.770304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.774257] (UM) [ 452.776516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 452.781599] 1*64kB [ 452.784008] __run_timers+0x7e5/0xc70 [ 452.788221] (H) [ 452.790288] ? timer_fixup_init+0x70/0x70 [ 452.794497] 0*128kB [ 452.796730] ? kasan_check_read+0x11/0x20 [ 452.800524] 0*256kB [ 452.802501] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 452.806627] 1*512kB [ 452.808947] ? rcu_softirq_qs+0x20/0x20 [ 452.813075] (H) [ 452.815456] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.820713] 0*1024kB [ 452.823033] ? check_preemption_disabled+0x48/0x280 [ 452.826983] 0*2048kB [ 452.828976] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 452.834491] 0*4096kB [ 452.836924] ? retint_kernel+0x2d/0x2d [ 452.841929] = 14028kB [ 452.841944] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 452.844349] ? trace_hardirqs_on_caller+0xc0/0x310 [ 452.849089] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 452.851490] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 452.855367] 4244 total pagecache pages [ 452.857775] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 452.866596] 0 pages in swap cache [ 452.871516] ? zap_class+0x640/0x640 [ 452.880073] Swap cache stats: add 0, delete 0, find 0/0 [ 452.884821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.888704] Free swap = 0kB [ 452.894151] ? check_preemption_disabled+0x48/0x280 [ 452.897592] Total swap = 0kB [ 452.901325] ? __lock_is_held+0xb5/0x140 [ 452.906662] 1965979 pages RAM [ 452.912203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 452.915210] 0 pages HighMem/MovableOnly [ 452.920235] ? check_preemption_disabled+0x48/0x280 [ 452.923227] 342293 pages reserved [ 452.923236] 0 pages cma reserved [ 452.927302] run_timer_softirq+0x52/0xb0 [ 452.930555] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 452.935915] ? rcu_read_lock_sched_held+0x14f/0x180 [ 452.939869] syz-fuzzer cpuset= [ 452.944885] __do_softirq+0x308/0xb7e [ 452.948326] / [ 452.951691] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 452.955736] mems_allowed=0 [ 452.965957] ? lock_downgrade+0x900/0x900 [ 452.991158] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 452.996277] ? pvclock_read_flags+0x160/0x160 [ 453.000780] ? lapic_next_event+0x5a/0x90 [ 453.004932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.010491] ? kvm_clock_read+0x18/0x30 [ 453.014475] ? kvm_sched_clock_read+0x9/0x20 [ 453.018889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.024442] ? check_preemption_disabled+0x48/0x280 [ 453.029486] irq_exit+0x17f/0x1c0 [ 453.032944] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.037787] ? smp_reschedule_interrupt+0x109/0x650 [ 453.042805] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.048696] ? interrupt_entry+0xb5/0xc0 [ 453.052764] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.057778] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.062799] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.067641] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.072658] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.077681] ? task_prio+0x50/0x50 [ 453.081227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.086793] ? check_preemption_disabled+0x48/0x280 [ 453.091819] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.096672] apic_timer_interrupt+0xf/0x20 [ 453.100903] [ 453.103148] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 453.108080] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 453.126982] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 453.134712] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 453.142014] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 453.149330] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 453.156613] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 453.163882] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 453.171207] skb_clone+0x1bb/0x500 [ 453.174755] ? finish_task_switch+0x2f4/0x910 [ 453.179513] ? skb_split+0x11e0/0x11e0 [ 453.183406] ? preempt_notifier_register+0x200/0x200 [ 453.188535] ? __switch_to_asm+0x34/0x70 [ 453.192596] ? __switch_to_asm+0x34/0x70 [ 453.196657] ? __switch_to_asm+0x40/0x70 [ 453.200716] ? __switch_to_asm+0x34/0x70 [ 453.204788] ? __switch_to_asm+0x40/0x70 [ 453.208848] ? __switch_to_asm+0x34/0x70 [ 453.212930] ? __switch_to_asm+0x40/0x70 [ 453.216999] ? __switch_to_asm+0x34/0x70 [ 453.221060] ? __switch_to_asm+0x34/0x70 [ 453.225144] ? __switch_to_asm+0x40/0x70 [ 453.229206] ? __switch_to_asm+0x34/0x70 [ 453.233292] bpf_clone_redirect+0xb9/0x490 [ 453.237531] ? __schedule+0x8d7/0x21d0 [ 453.241433] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 453.246467] ? __sched_text_start+0x8/0x8 [ 453.250637] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 453.255248] ? find_held_lock+0x36/0x1c0 [ 453.259335] ? lock_acquire+0x1ed/0x520 [ 453.263338] ? bpf_test_run+0x3cb/0x780 [ 453.267326] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.272867] ? check_preemption_disabled+0x48/0x280 [ 453.277933] ? kasan_check_read+0x11/0x20 [ 453.282093] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 453.287371] ? rcu_softirq_qs+0x20/0x20 [ 453.291349] ? preempt_schedule+0x4d/0x60 [ 453.295501] ? ___preempt_schedule+0x16/0x18 [ 453.299924] ? bpf_test_run+0x25d/0x780 [ 453.303915] ? netlink_diag_dump+0x2a0/0x2a0 [ 453.308326] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 453.313112] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 453.317877] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 453.322746] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 453.328287] ? fput+0x130/0x1a0 [ 453.331571] ? __bpf_prog_get+0x9b/0x290 [ 453.335641] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 453.340487] ? bpf_prog_test_run+0x130/0x1a0 [ 453.344900] ? __x64_sys_bpf+0x3d8/0x520 [ 453.348974] ? bpf_prog_get+0x20/0x20 [ 453.352801] ? do_syscall_64+0x1b9/0x820 [ 453.356865] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 453.362233] ? syscall_return_slowpath+0x5e0/0x5e0 [ 453.367174] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.372026] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.377043] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 453.382083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.387623] ? prepare_exit_to_usermode+0x291/0x3b0 [ 453.392652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.397521] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 453.402919] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 453.403005] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 453.409606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 453.409611] Call Trace: [ 453.409618] [ 453.409636] dump_stack+0x244/0x39d [ 453.409654] ? dump_stack_print_info.cold.1+0x20/0x20 [ 453.416265] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 453.425495] warn_alloc.cold.117+0xb7/0x1bd [ 453.428052] syz-executor3 cpuset= [ 453.430201] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 453.430219] ? lock_downgrade+0x900/0x900 [ 453.433826] syz3 [ 453.439019] ? trace_hardirqs_off+0xb8/0x310 [ 453.449487] mems_allowed=0 [ 453.453816] ? trace_hardirqs_off+0xb8/0x310 [ 453.479913] __alloc_pages_slowpath+0x2660/0x2d70 [ 453.484790] ? warn_alloc+0x120/0x120 [ 453.488598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.493618] ? warn_alloc+0x120/0x120 [ 453.497428] ? print_usage_bug+0xc0/0xc0 [ 453.501496] ? warn_alloc+0x120/0x120 [ 453.505301] ? print_usage_bug+0xc0/0xc0 [ 453.509365] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.514570] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.520110] ? should_fail+0x22d/0xd01 [ 453.524005] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.529113] ? __lock_acquire+0x62f/0x4c20 [ 453.533357] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 453.538464] ? should_fail+0x22d/0xd01 [ 453.542370] ? mark_held_locks+0x130/0x130 [ 453.546614] ? mark_held_locks+0x130/0x130 [ 453.550853] ? print_usage_bug+0xc0/0xc0 [ 453.554922] ? find_held_lock+0x36/0x1c0 [ 453.559024] ? zap_class+0x640/0x640 [ 453.562745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.568328] ? check_preemption_disabled+0x48/0x280 [ 453.573368] ? __lock_is_held+0xb5/0x140 [ 453.577443] __alloc_pages_nodemask+0xa80/0xde0 [ 453.582126] ? zap_class+0x640/0x640 [ 453.585862] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 453.590907] ? find_held_lock+0x36/0x1c0 [ 453.594999] ? ____cache_alloc_node+0x1c7/0x1e0 [ 453.599672] ? lock_downgrade+0x900/0x900 [ 453.603828] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.609386] cache_grow_begin+0xa5/0x8c0 [ 453.613472] ? do_raw_spin_unlock+0xa7/0x330 [ 453.617933] fallback_alloc+0x204/0x2e0 [ 453.621935] ____cache_alloc_node+0x1c7/0x1e0 [ 453.626450] kmem_cache_alloc_node+0xe3/0x730 [ 453.630944] ? mark_held_locks+0xc7/0x130 [ 453.635109] __alloc_skb+0x119/0x770 [ 453.638833] ? netdev_alloc_frag+0x1f0/0x1f0 [ 453.643244] ? do_raw_spin_trylock+0x270/0x270 [ 453.647826] ? kmem_cache_alloc_trace+0x353/0x750 [ 453.652676] ? queue_work_on+0x12c/0x1e0 [ 453.656750] ? switchdev_port_obj_del+0xdc/0x440 [ 453.661512] ? switchdev_trans_item_enqueue+0x260/0x260 [ 453.666886] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 453.671927] __br_mdb_notify+0x4ff/0x15d0 [ 453.676083] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 453.681198] ? __br_mdb_add+0x7f0/0x7f0 [ 453.685179] ? mark_held_locks+0x130/0x130 [ 453.689428] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 453.694534] ? debug_object_assert_init+0x368/0x4b0 [ 453.699555] ? debug_object_init_on_stack+0x20/0x20 [ 453.704567] ? zap_class+0x640/0x640 [ 453.708288] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.713835] br_mdb_notify+0x310/0x410 [ 453.717731] ? br_mdb_dump+0x27b0/0x27b0 [ 453.722330] br_multicast_del_pg+0x3df/0x790 [ 453.726774] ? br_mdb_ip_get+0x940/0x940 [ 453.730844] ? rwlock_bug.part.2+0x90/0x90 [ 453.735085] ? __lock_is_held+0xb5/0x140 [ 453.739174] br_multicast_port_group_expired+0x189/0x1e0 [ 453.744636] call_timer_fn+0x272/0x920 [ 453.748527] ? br_multicast_del_pg+0x790/0x790 [ 453.753113] ? process_timeout+0x40/0x40 [ 453.757213] ? mark_held_locks+0xc7/0x130 [ 453.761381] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.765876] ? _raw_spin_unlock_irq+0x27/0x80 [ 453.770373] ? br_multicast_del_pg+0x790/0x790 [ 453.774964] ? lockdep_hardirqs_on+0x296/0x5b0 [ 453.780105] ? trace_hardirqs_on+0xbd/0x310 [ 453.784430] ? kasan_check_read+0x11/0x20 [ 453.788591] ? __run_timers+0x7da/0xc70 [ 453.792580] ? trace_hardirqs_off_caller+0x310/0x310 [ 453.797701] ? br_multicast_del_pg+0x790/0x790 [ 453.802292] ? br_multicast_del_pg+0x790/0x790 [ 453.806880] __run_timers+0x7e5/0xc70 [ 453.810699] ? timer_fixup_init+0x70/0x70 [ 453.814865] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 453.819932] ? zap_class+0x640/0x640 [ 453.823671] ? print_usage_bug+0xc0/0xc0 [ 453.827741] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 453.832942] ? find_held_lock+0x36/0x1c0 [ 453.837017] ? zap_class+0x640/0x640 [ 453.840737] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.846284] ? check_preemption_disabled+0x48/0x280 [ 453.851309] ? __lock_is_held+0xb5/0x140 [ 453.855399] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.860938] ? check_preemption_disabled+0x48/0x280 [ 453.865990] run_timer_softirq+0x52/0xb0 [ 453.870074] ? rcu_read_lock_sched_held+0x14f/0x180 [ 453.875107] __do_softirq+0x308/0xb7e [ 453.878923] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 453.883439] ? lock_downgrade+0x900/0x900 [ 453.887600] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 453.892717] ? pvclock_read_flags+0x160/0x160 [ 453.897222] ? lapic_next_event+0x5a/0x90 [ 453.901375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 453.906920] ? kvm_clock_read+0x18/0x30 [ 453.910903] ? kvm_sched_clock_read+0x9/0x20 [ 453.915313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 453.920897] ? check_preemption_disabled+0x48/0x280 [ 453.925931] irq_exit+0x17f/0x1c0 [ 453.929398] smp_apic_timer_interrupt+0x1cb/0x760 [ 453.934240] ? smp_reschedule_interrupt+0x109/0x650 [ 453.939259] ? smp_call_function_single_interrupt+0x650/0x650 [ 453.945153] ? interrupt_entry+0xb5/0xc0 [ 453.949233] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.954275] ? trace_hardirqs_off_caller+0xbb/0x310 [ 453.959290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.964133] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.969147] ? trace_hardirqs_on_caller+0x310/0x310 [ 453.974178] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 453.979054] apic_timer_interrupt+0xf/0x20 [ 453.983287] [ 453.985526] RIP: 0010:dump_stack+0x358/0x39d [ 453.989967] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 454.008880] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 454.016595] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 454.023865] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 454.031135] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 454.038402] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 454.045672] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 454.052978] ? dump_stack+0x34f/0x39d [ 454.056799] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.062008] dump_header+0x27b/0xf72 [ 454.065734] ? mark_held_locks+0x130/0x130 [ 454.069979] ? pagefault_out_of_memory+0x197/0x197 [ 454.074958] ? __lock_acquire+0x62f/0x4c20 [ 454.079209] ? zap_class+0x640/0x640 [ 454.082928] ? percpu_ref_get_many+0x240/0x240 [ 454.087521] ? print_usage_bug+0xc0/0xc0 [ 454.091581] ? print_usage_bug+0xc0/0xc0 [ 454.095649] ? zap_class+0x640/0x640 [ 454.099367] ? print_usage_bug+0xc0/0xc0 [ 454.103426] ? print_usage_bug+0xc0/0xc0 [ 454.107500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.113043] ? find_held_lock+0x36/0x1c0 [ 454.117116] ? mark_held_locks+0xc7/0x130 [ 454.121274] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 454.126379] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 454.131488] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 454.136075] ? trace_hardirqs_on+0xbd/0x310 [ 454.140407] ? kasan_check_read+0x11/0x20 [ 454.144586] ? ___ratelimit+0x3b4/0x672 [ 454.148560] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.153664] ? trace_hardirqs_on+0x310/0x310 [ 454.158069] ? lock_downgrade+0x900/0x900 [ 454.162251] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 454.167357] ? ___ratelimit+0x3b9/0x672 [ 454.171354] ? idr_get_free+0xec0/0xec0 [ 454.175328] ? find_held_lock+0x36/0x1c0 [ 454.179403] oom_kill_process.cold.27+0x10/0x903 [ 454.184164] ? zap_class+0x640/0x640 [ 454.187885] ? check_preemption_disabled+0x48/0x280 [ 454.192910] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 454.197841] ? kasan_check_read+0x11/0x20 [ 454.202001] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.207286] ? oom_evaluate_task+0x540/0x540 [ 454.211699] ? find_held_lock+0x36/0x1c0 [ 454.215780] ? out_of_memory+0x974/0x1430 [ 454.219928] ? lock_downgrade+0x900/0x900 [ 454.224082] ? check_preemption_disabled+0x48/0x280 [ 454.229107] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 454.234033] ? kasan_check_read+0x11/0x20 [ 454.238196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.243491] ? rcu_softirq_qs+0x20/0x20 [ 454.247485] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.253063] ? oom_evaluate_task+0x302/0x540 [ 454.257478] out_of_memory+0xa84/0x1430 [ 454.261481] ? oom_killer_disable+0x3a0/0x3a0 [ 454.265992] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 454.270919] ? __mutex_add_waiter+0x2a0/0x2a0 [ 454.275429] __alloc_pages_slowpath+0x22d4/0x2d70 [ 454.280301] ? warn_alloc+0x120/0x120 [ 454.284112] ? rcu_softirq_qs+0x20/0x20 [ 454.288122] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.293662] ? should_fail+0x22d/0xd01 [ 454.297558] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 454.302668] ? zap_class+0x640/0x640 [ 454.306414] ? __lock_is_held+0xb5/0x140 [ 454.310487] ? mark_held_locks+0x130/0x130 [ 454.314725] ? lock_release+0xa00/0xa00 [ 454.318705] ? perf_trace_sched_process_exec+0x860/0x860 [ 454.324175] ? __might_sleep+0x95/0x190 [ 454.328163] __alloc_pages_nodemask+0xa80/0xde0 [ 454.332851] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 454.337873] ? __page_cache_alloc+0x191/0x5c0 [ 454.342373] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 454.347304] ? kasan_check_read+0x11/0x20 [ 454.351453] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.356733] ? zap_class+0x640/0x640 [ 454.360455] ? zap_class+0x640/0x640 [ 454.364165] ? zap_class+0x640/0x640 [ 454.367918] ? __do_page_cache_readahead+0x7ce/0x980 [ 454.373044] ? find_held_lock+0x36/0x1c0 [ 454.377111] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 454.382661] alloc_pages_current+0x173/0x350 [ 454.387075] __page_cache_alloc+0x38c/0x5c0 [ 454.391408] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 454.396338] ? kasan_check_read+0x11/0x20 [ 454.400488] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.405768] ? generic_perform_write+0x6a0/0x6a0 [ 454.410529] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.416069] ? check_preemption_disabled+0x48/0x280 [ 454.421094] filemap_fault+0x1594/0x25f0 [ 454.425171] ? __lock_page_or_retry+0xa00/0xa00 [ 454.429853] ? mark_held_locks+0x130/0x130 [ 454.434104] ? rcu_softirq_qs+0x20/0x20 [ 454.438128] ? filemap_map_pages+0xe04/0x1990 [ 454.442638] ? __free_object+0x173/0x340 [ 454.446701] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 454.451633] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.456745] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 454.461431] ? debug_object_free+0x32d/0x690 [ 454.465841] ? kasan_check_read+0x11/0x20 [ 454.469990] ? debug_object_destroy+0x2b0/0x2b0 [ 454.474667] ? lock_pi_update_atomic+0x150/0x150 [ 454.479681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 454.485219] ? __hrtimer_init+0xdb/0x240 [ 454.489294] ? lock_acquire+0x1ed/0x520 [ 454.493272] ? ext4_filemap_fault+0x7a/0xad [ 454.497614] ? lock_release+0xa00/0xa00 [ 454.501593] ? perf_trace_sched_process_exec+0x860/0x860 [ 454.507046] ? print_usage_bug+0xc0/0xc0 [ 454.511109] ? print_usage_bug+0xc0/0xc0 [ 454.515198] ? down_read+0x8d/0x120 [ 454.518826] ? ext4_filemap_fault+0x7a/0xad [ 454.523162] ? __down_interruptible+0x700/0x700 [ 454.527864] ext4_filemap_fault+0x82/0xad [ 454.532032] __do_fault+0x100/0x6b0 [ 454.535668] ? pmd_devmap_trans_unstable+0x220/0x220 [ 454.540778] ? mark_held_locks+0x130/0x130 [ 454.545027] ? mark_held_locks+0x130/0x130 [ 454.549268] ? debug_smp_processor_id+0x1c/0x20 [ 454.553935] ? perf_trace_lock+0x14d/0x7a0 [ 454.558180] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.563734] __handle_mm_fault+0x307c/0x5920 [ 454.568152] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 454.573016] ? lock_is_held_type+0x210/0x210 [ 454.577447] ? zap_class+0x640/0x640 [ 454.581161] ? zap_class+0x640/0x640 [ 454.584884] ? __x64_sys_futex+0x53e/0x6a0 [ 454.589124] ? find_held_lock+0x36/0x1c0 [ 454.593200] ? handle_mm_fault+0x42a/0xc70 [ 454.597434] ? lock_downgrade+0x900/0x900 [ 454.601580] ? check_preemption_disabled+0x48/0x280 [ 454.606614] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 454.611555] ? kasan_check_read+0x11/0x20 [ 454.615976] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 454.621262] ? rcu_softirq_qs+0x20/0x20 [ 454.625242] ? trace_hardirqs_off_caller+0x310/0x310 [ 454.630356] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 454.635896] ? check_preemption_disabled+0x48/0x280 [ 454.640962] handle_mm_fault+0x54f/0xc70 [ 454.645026] ? __handle_mm_fault+0x5920/0x5920 [ 454.649626] ? find_vma+0x34/0x190 [ 454.653176] __do_page_fault+0x5e8/0xe60 [ 454.657238] ? trace_hardirqs_off+0xb8/0x310 [ 454.661645] ? trace_hardirqs_off+0xb8/0x310 [ 454.666063] do_page_fault+0xf2/0x7e0 [ 454.669867] ? vmalloc_sync_all+0x30/0x30 [ 454.674018] ? error_entry+0x70/0xd0 [ 454.677736] ? trace_hardirqs_off_caller+0xbb/0x310 [ 454.682750] ? trace_hardirqs_on_caller+0xc0/0x310 [ 454.687684] ? syscall_return_slowpath+0x5e0/0x5e0 [ 454.692616] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.697463] ? trace_hardirqs_on_caller+0x310/0x310 [ 454.702511] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 454.707979] ? prepare_exit_to_usermode+0x291/0x3b0 [ 454.713014] ? page_fault+0x8/0x30 [ 454.716581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 454.721435] ? page_fault+0x8/0x30 [ 454.725299] page_fault+0x1e/0x30 [ 454.728756] RIP: 0033:0x45ddf3 [ 454.731970] Code: Bad RIP value. [ 454.735337] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 454.740700] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 454.747972] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 454.755240] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 454.762505] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 454.769770] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 454.777062] warn_alloc_show_mem: 1 callbacks suppressed [ 454.777073] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 454.777075] Mem-Info: [ 454.777105] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 454.777105] active_file:13 inactive_file:17 isolated_file:0 [ 454.777105] unevictable:0 dirty:0 writeback:0 unstable:0 [ 454.777105] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 454.777105] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 454.777105] free:13759 free_pcp:161 free_cma:0 [ 454.782467] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 454.789489] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 454.791889] Call Trace: [ 454.824845] Node 0 [ 454.834196] [ 454.861876] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 454.864437] dump_stack+0x244/0x39d [ 454.866653] lowmem_reserve[]: [ 454.868820] ? dump_stack_print_info.cold.1+0x20/0x20 [ 454.894303] 0 [ 454.897938] warn_alloc.cold.117+0xb7/0x1bd [ 454.901015] 2819 6323 [ 454.906211] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 454.907996] 6323 [ 454.912319] ? lock_downgrade+0x900/0x900 [ 454.914801] Node 0 [ 454.919648] ? trace_hardirqs_off+0xb8/0x310 [ 454.921712] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 454.925833] ? trace_hardirqs_off+0xb8/0x310 [ 454.928039] lowmem_reserve[]: 0 [ 454.932464] __alloc_pages_slowpath+0x2660/0x2d70 [ 454.959150] 0 3503 [ 454.963605] ? warn_alloc+0x120/0x120 [ 454.966832] 3503 [ 454.971670] ? warn_alloc+0x120/0x120 [ 454.977713] ? print_usage_bug+0xc0/0xc0 [ 454.979753] Node 0 [ 454.983547] ? warn_alloc+0x120/0x120 [ 454.987618] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 454.989827] ? print_usage_bug+0xc0/0xc0 [ 454.993603] lowmem_reserve[]: 0 [ 455.021897] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 455.025928] 0 [ 455.029203] ? should_fail+0x22d/0xd01 [ 455.029218] ? zap_class+0x640/0x640 [ 455.034739] 0 [ 455.036539] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.040408] 0 [ 455.044120] ? __lock_acquire+0x62f/0x4c20 [ 455.051002] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 455.052803] Node 0 [ 455.057034] ? should_fail+0x22d/0xd01 [ 455.062634] DMA: [ 455.064869] ? mark_held_locks+0x130/0x130 [ 455.068734] 1*4kB [ 455.070799] ? mark_held_locks+0x130/0x130 [ 455.075005] (U) [ 455.077157] ? mark_held_locks+0x130/0x130 [ 455.081389] 0*8kB [ 455.083364] ? print_usage_bug+0xc0/0xc0 [ 455.087582] 0*16kB [ 455.089729] ? find_held_lock+0x36/0x1c0 [ 455.093769] 1*32kB [ 455.095997] ? zap_class+0x640/0x640 [ 455.100037] (U) [ 455.102271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.105975] 2*64kB [ 455.107968] ? check_preemption_disabled+0x48/0x280 [ 455.113472] (U) [ 455.115716] ? __lock_is_held+0xb5/0x140 [ 455.120704] 1*128kB [ 455.122681] __alloc_pages_nodemask+0xa80/0xde0 [ 455.126721] (U) [ 455.129040] ? zap_class+0x640/0x640 [ 455.133687] 1*256kB [ 455.135659] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 455.139352] (U) [ 455.141681] ? find_held_lock+0x36/0x1c0 [ 455.146671] 0*512kB [ 455.148662] ? ____cache_alloc_node+0x1c7/0x1e0 [ 455.152693] 1*1024kB [ 455.155012] ? lock_downgrade+0x900/0x900 [ 455.159665] (U) [ 455.162079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.166208] 1*2048kB [ 455.168182] cache_grow_begin+0xa5/0x8c0 [ 455.173702] (M) [ 455.176114] ? do_raw_spin_unlock+0xa7/0x330 [ 455.180155] 3*4096kB [ 455.182134] fallback_alloc+0x204/0x2e0 [ 455.186531] (M) [ 455.188955] ____cache_alloc_node+0x1c7/0x1e0 [ 455.192908] = 15908kB [ 455.194884] kmem_cache_alloc_node+0xe3/0x730 [ 455.199368] Node 0 [ 455.201778] ? mark_held_locks+0xc7/0x130 [ 455.206261] DMA32: [ 455.208503] __alloc_skb+0x119/0x770 [ 455.212621] 5*4kB [ 455.214888] ? netdev_alloc_frag+0x1f0/0x1f0 [ 455.218576] (UM) [ 455.220730] ? do_raw_spin_trylock+0x270/0x270 [ 455.225119] 1*8kB [ 455.227181] ? kmem_cache_alloc_trace+0x353/0x750 [ 455.231751] (M) [ 455.233915] ? queue_work_on+0x12c/0x1e0 [ 455.238737] 3*16kB [ 455.240713] ? switchdev_port_obj_del+0xdc/0x440 [ 455.244745] (M) [ 455.246980] ? switchdev_trans_item_enqueue+0x260/0x260 [ 455.251712] 3*32kB [ 455.253688] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 455.259032] (UM) [ 455.261270] __br_mdb_notify+0x4ff/0x15d0 [ 455.266253] 2*64kB (M) [ 455.268330] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 455.272450] 2*128kB (M) [ 455.275075] ? __br_mdb_add+0x7f0/0x7f0 [ 455.280407] 4*256kB [ 455.283084] ? mark_held_locks+0x130/0x130 [ 455.287041] (M) [ 455.289377] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 455.293585] 4*512kB [ 455.295559] ? debug_object_assert_init+0x368/0x4b0 [ 455.300636] (UM) [ 455.302956] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.307956] 3*1024kB [ 455.310014] ? debug_object_init_on_stack+0x20/0x20 [ 455.315094] (UM) [ 455.317503] ? zap_class+0x640/0x640 [ 455.322495] 3*2048kB (M) [ 455.324564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.328258] 3*4096kB [ 455.331020] br_mdb_notify+0x310/0x410 [ 455.336544] (M) [ 455.338950] ? br_mdb_dump+0x27b0/0x27b0 [ 455.342820] = 25132kB [ 455.344806] br_multicast_del_pg+0x3df/0x790 [ 455.348832] Node 0 [ 455.351247] ? br_mdb_ip_get+0x940/0x940 [ 455.355628] Normal: [ 455.357862] ? rwlock_bug.part.2+0x90/0x90 [ 455.361903] 951*4kB [ 455.364220] ? __lock_is_held+0xb5/0x140 [ 455.368431] (UMEH) [ 455.370762] br_multicast_port_group_expired+0x189/0x1e0 [ 455.374794] 234*8kB (UME) [ 455.377040] call_timer_fn+0x272/0x920 [ 455.382490] 222*16kB [ 455.385355] ? br_multicast_del_pg+0x790/0x790 [ 455.389223] (UMEH) [ 455.391632] ? process_timeout+0x40/0x40 [ 455.396195] 132*32kB [ 455.398427] ? __run_timers+0x7da/0xc70 [ 455.402454] (UM) 1*64kB [ 455.404875] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.408818] (H) 0*128kB [ 455.411502] ? _raw_spin_unlock_irq+0x27/0x80 [ 455.415990] 0*256kB [ 455.418674] ? br_multicast_del_pg+0x790/0x790 [ 455.423148] 1*512kB [ 455.425475] ? lockdep_hardirqs_on+0x296/0x5b0 [ 455.430045] (H) [ 455.432373] ? trace_hardirqs_on+0xbd/0x310 [ 455.436935] 0*1024kB [ 455.438908] ? kasan_check_read+0x11/0x20 [ 455.443219] 0*2048kB [ 455.445628] ? __run_timers+0x7da/0xc70 [ 455.449758] 0*4096kB [ 455.452166] ? trace_hardirqs_off_caller+0x310/0x310 [ 455.456148] = 14028kB [ 455.458557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 455.463646] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 455.466056] ? br_multicast_del_pg+0x790/0x790 [ 455.470285] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 455.479112] __run_timers+0x7e5/0xc70 [ 455.483671] 4244 total pagecache pages [ 455.492264] ? timer_fixup_init+0x70/0x70 [ 455.496049] 0 pages in swap cache [ 455.499926] ? kasan_check_read+0x11/0x20 [ 455.504058] Swap cache stats: add 0, delete 0, find 0/0 [ 455.507519] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.511644] Free swap = 0kB [ 455.517008] ? rcu_softirq_qs+0x20/0x20 [ 455.522263] Total swap = 0kB [ 455.525281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.529234] 1965979 pages RAM [ 455.532254] ? check_preemption_disabled+0x48/0x280 [ 455.537768] 0 pages HighMem/MovableOnly [ 455.540889] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 455.545873] 342293 pages reserved [ 455.545882] 0 pages cma reserved [ 455.549853] ? retint_kernel+0x2d/0x2d [ 455.554759] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 455.558032] ? trace_hardirqs_on_caller+0xc0/0x310 [ 455.561387] syz-fuzzer cpuset= [ 455.565277] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 455.575483] / [ 455.580424] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 455.583596] mems_allowed=0 [ 455.588342] ? zap_class+0x640/0x640 [ 455.602139] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.607677] ? check_preemption_disabled+0x48/0x280 [ 455.612703] ? __lock_is_held+0xb5/0x140 [ 455.616768] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.622309] ? check_preemption_disabled+0x48/0x280 [ 455.627337] run_timer_softirq+0x52/0xb0 [ 455.631401] ? rcu_read_lock_sched_held+0x14f/0x180 [ 455.636423] __do_softirq+0x308/0xb7e [ 455.640236] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 455.644732] ? lock_downgrade+0x900/0x900 [ 455.648886] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 455.654001] ? pvclock_read_flags+0x160/0x160 [ 455.658500] ? lapic_next_event+0x5a/0x90 [ 455.662650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.668195] ? kvm_clock_read+0x18/0x30 [ 455.672184] ? kvm_sched_clock_read+0x9/0x20 [ 455.676612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.682160] ? check_preemption_disabled+0x48/0x280 [ 455.687203] irq_exit+0x17f/0x1c0 [ 455.690667] smp_apic_timer_interrupt+0x1cb/0x760 [ 455.695511] ? smp_reschedule_interrupt+0x109/0x650 [ 455.700532] ? smp_call_function_single_interrupt+0x650/0x650 [ 455.706419] ? interrupt_entry+0xb5/0xc0 [ 455.710484] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.715510] ? trace_hardirqs_off_caller+0xbb/0x310 [ 455.720529] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.725583] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.730597] ? trace_hardirqs_on_caller+0x310/0x310 [ 455.735613] ? task_prio+0x50/0x50 [ 455.739169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.744736] ? check_preemption_disabled+0x48/0x280 [ 455.749759] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 455.754619] apic_timer_interrupt+0xf/0x20 [ 455.758847] [ 455.761088] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 455.766023] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 455.785166] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 455.792881] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 455.800153] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 455.807423] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 455.814695] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 455.821961] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 455.829278] skb_clone+0x1bb/0x500 [ 455.832822] ? finish_task_switch+0x2f4/0x910 [ 455.837320] ? skb_split+0x11e0/0x11e0 [ 455.841237] ? preempt_notifier_register+0x200/0x200 [ 455.846356] ? __switch_to_asm+0x34/0x70 [ 455.850420] ? __switch_to_asm+0x34/0x70 [ 455.854484] ? __switch_to_asm+0x40/0x70 [ 455.858547] ? __switch_to_asm+0x34/0x70 [ 455.862611] ? __switch_to_asm+0x40/0x70 [ 455.866675] ? __switch_to_asm+0x34/0x70 [ 455.870734] ? __switch_to_asm+0x40/0x70 [ 455.874793] ? __switch_to_asm+0x34/0x70 [ 455.878857] ? __switch_to_asm+0x34/0x70 [ 455.882916] ? __switch_to_asm+0x40/0x70 [ 455.887000] ? __switch_to_asm+0x34/0x70 [ 455.891069] bpf_clone_redirect+0xb9/0x490 [ 455.895323] ? __schedule+0x8d7/0x21d0 [ 455.899235] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 455.904260] ? __sched_text_start+0x8/0x8 [ 455.908419] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 455.913010] ? find_held_lock+0x36/0x1c0 [ 455.917092] ? lock_acquire+0x1ed/0x520 [ 455.921068] ? bpf_test_run+0x3cb/0x780 [ 455.925044] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 455.930585] ? check_preemption_disabled+0x48/0x280 [ 455.935613] ? kasan_check_read+0x11/0x20 [ 455.939768] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 455.945050] ? rcu_softirq_qs+0x20/0x20 [ 455.949051] ? preempt_schedule+0x4d/0x60 [ 455.953218] ? ___preempt_schedule+0x16/0x18 [ 455.957637] ? bpf_test_run+0x25d/0x780 [ 455.961651] ? netlink_diag_dump+0x2a0/0x2a0 [ 455.966063] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 455.970825] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 455.975590] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 455.980435] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 455.985982] ? fput+0x130/0x1a0 [ 455.989306] ? __bpf_prog_get+0x9b/0x290 [ 455.993390] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 455.998246] ? bpf_prog_test_run+0x130/0x1a0 [ 456.002671] ? __x64_sys_bpf+0x3d8/0x520 [ 456.006737] ? bpf_prog_get+0x20/0x20 [ 456.010562] ? do_syscall_64+0x1b9/0x820 [ 456.014625] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 456.019993] ? syscall_return_slowpath+0x5e0/0x5e0 [ 456.024921] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.029765] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.034787] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 456.039803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.045347] ? prepare_exit_to_usermode+0x291/0x3b0 [ 456.050373] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.055228] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 456.060614] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 456.060816] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 456.067299] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 456.077774] syz-executor3 cpuset= [ 456.087150] Call Trace: [ 456.087160] syz3 [ 456.090609] [ 456.093185] mems_allowed=0 [ 456.095170] dump_stack+0x244/0x39d [ 456.103870] ? dump_stack_print_info.cold.1+0x20/0x20 [ 456.109076] warn_alloc.cold.117+0xb7/0x1bd [ 456.113402] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 456.118261] ? lock_downgrade+0x900/0x900 [ 456.122424] ? trace_hardirqs_off+0xb8/0x310 [ 456.126844] ? trace_hardirqs_off+0xb8/0x310 [ 456.131267] __alloc_pages_slowpath+0x2660/0x2d70 [ 456.136143] ? warn_alloc+0x120/0x120 [ 456.139961] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 456.144997] ? warn_alloc+0x120/0x120 [ 456.148804] ? print_usage_bug+0xc0/0xc0 [ 456.152863] ? warn_alloc+0x120/0x120 [ 456.156667] ? print_usage_bug+0xc0/0xc0 [ 456.160736] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 456.165969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.171513] ? should_fail+0x22d/0xd01 [ 456.175409] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.180514] ? __lock_acquire+0x62f/0x4c20 [ 456.184754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.189860] ? should_fail+0x22d/0xd01 [ 456.193758] ? mark_held_locks+0x130/0x130 [ 456.197999] ? mark_held_locks+0x130/0x130 [ 456.202236] ? print_usage_bug+0xc0/0xc0 [ 456.206301] ? find_held_lock+0x36/0x1c0 [ 456.210365] ? zap_class+0x640/0x640 [ 456.214084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.219622] ? check_preemption_disabled+0x48/0x280 [ 456.224650] ? __lock_is_held+0xb5/0x140 [ 456.228724] __alloc_pages_nodemask+0xa80/0xde0 [ 456.233402] ? zap_class+0x640/0x640 [ 456.237121] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 456.242148] ? find_held_lock+0x36/0x1c0 [ 456.246229] ? ____cache_alloc_node+0x1c7/0x1e0 [ 456.250911] ? lock_downgrade+0x900/0x900 [ 456.255080] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.260639] cache_grow_begin+0xa5/0x8c0 [ 456.264706] ? do_raw_spin_unlock+0xa7/0x330 [ 456.269126] fallback_alloc+0x204/0x2e0 [ 456.273110] ____cache_alloc_node+0x1c7/0x1e0 [ 456.277618] kmem_cache_alloc_node+0xe3/0x730 [ 456.282112] ? mark_held_locks+0xc7/0x130 [ 456.286280] __alloc_skb+0x119/0x770 [ 456.290016] ? netdev_alloc_frag+0x1f0/0x1f0 [ 456.294431] ? do_raw_spin_trylock+0x270/0x270 [ 456.299016] ? kmem_cache_alloc_trace+0x353/0x750 [ 456.303872] ? queue_work_on+0x12c/0x1e0 [ 456.307944] ? switchdev_port_obj_del+0xdc/0x440 [ 456.312711] ? switchdev_trans_item_enqueue+0x260/0x260 [ 456.318080] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 456.323119] __br_mdb_notify+0x4ff/0x15d0 [ 456.327268] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 456.332399] ? __br_mdb_add+0x7f0/0x7f0 [ 456.336377] ? mark_held_locks+0x130/0x130 [ 456.340632] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.345742] ? debug_object_assert_init+0x368/0x4b0 [ 456.350764] ? debug_object_init_on_stack+0x20/0x20 [ 456.355781] ? zap_class+0x640/0x640 [ 456.359500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.365045] br_mdb_notify+0x310/0x410 [ 456.368946] ? br_mdb_dump+0x27b0/0x27b0 [ 456.373037] br_multicast_del_pg+0x3df/0x790 [ 456.377452] ? br_mdb_ip_get+0x940/0x940 [ 456.381519] ? rwlock_bug.part.2+0x90/0x90 [ 456.385759] ? __lock_is_held+0xb5/0x140 [ 456.389832] br_multicast_port_group_expired+0x189/0x1e0 [ 456.395320] call_timer_fn+0x272/0x920 [ 456.399219] ? br_multicast_del_pg+0x790/0x790 [ 456.403805] ? process_timeout+0x40/0x40 [ 456.407876] ? mark_held_locks+0xc7/0x130 [ 456.412027] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.416527] ? _raw_spin_unlock_irq+0x27/0x80 [ 456.421023] ? br_multicast_del_pg+0x790/0x790 [ 456.425607] ? lockdep_hardirqs_on+0x296/0x5b0 [ 456.430201] ? trace_hardirqs_on+0xbd/0x310 [ 456.434530] ? kasan_check_read+0x11/0x20 [ 456.438679] ? __run_timers+0x7da/0xc70 [ 456.442654] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.447763] ? br_multicast_del_pg+0x790/0x790 [ 456.452354] ? br_multicast_del_pg+0x790/0x790 [ 456.456938] __run_timers+0x7e5/0xc70 [ 456.460756] ? timer_fixup_init+0x70/0x70 [ 456.464927] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 456.469958] ? zap_class+0x640/0x640 [ 456.473683] ? print_usage_bug+0xc0/0xc0 [ 456.477752] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 456.482964] ? find_held_lock+0x36/0x1c0 [ 456.487026] ? zap_class+0x640/0x640 [ 456.490771] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.496312] ? check_preemption_disabled+0x48/0x280 [ 456.501343] ? __lock_is_held+0xb5/0x140 [ 456.505403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.510943] ? check_preemption_disabled+0x48/0x280 [ 456.515982] run_timer_softirq+0x52/0xb0 [ 456.520046] ? rcu_read_lock_sched_held+0x14f/0x180 [ 456.525071] __do_softirq+0x308/0xb7e [ 456.528911] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 456.533422] ? lock_downgrade+0x900/0x900 [ 456.537615] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 456.542731] ? pvclock_read_flags+0x160/0x160 [ 456.547229] ? lapic_next_event+0x5a/0x90 [ 456.551380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.556926] ? kvm_clock_read+0x18/0x30 [ 456.560906] ? kvm_sched_clock_read+0x9/0x20 [ 456.565319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.570872] ? check_preemption_disabled+0x48/0x280 [ 456.575921] irq_exit+0x17f/0x1c0 [ 456.579395] smp_apic_timer_interrupt+0x1cb/0x760 [ 456.584243] ? smp_reschedule_interrupt+0x109/0x650 [ 456.589269] ? smp_call_function_single_interrupt+0x650/0x650 [ 456.595195] ? interrupt_entry+0xb5/0xc0 [ 456.599285] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.604300] ? trace_hardirqs_off_caller+0xbb/0x310 [ 456.609329] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.614658] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.619691] ? trace_hardirqs_on_caller+0x310/0x310 [ 456.624743] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 456.629644] apic_timer_interrupt+0xf/0x20 [ 456.633884] [ 456.636129] RIP: 0010:dump_stack+0x358/0x39d [ 456.640543] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 456.659465] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 456.667200] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 456.674493] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 456.681787] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 456.689118] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 456.696461] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 456.703789] ? dump_stack+0x34f/0x39d [ 456.707623] ? dump_stack_print_info.cold.1+0x20/0x20 [ 456.712864] dump_header+0x27b/0xf72 [ 456.716623] ? mark_held_locks+0x130/0x130 [ 456.720892] ? pagefault_out_of_memory+0x197/0x197 [ 456.725849] ? __lock_acquire+0x62f/0x4c20 [ 456.730084] ? zap_class+0x640/0x640 [ 456.733812] ? percpu_ref_get_many+0x240/0x240 [ 456.738407] ? print_usage_bug+0xc0/0xc0 [ 456.742500] ? print_usage_bug+0xc0/0xc0 [ 456.746571] ? zap_class+0x640/0x640 [ 456.750296] ? print_usage_bug+0xc0/0xc0 [ 456.754378] ? print_usage_bug+0xc0/0xc0 [ 456.758455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 456.764017] ? find_held_lock+0x36/0x1c0 [ 456.768105] ? mark_held_locks+0xc7/0x130 [ 456.772284] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 456.777422] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 456.782560] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 456.787161] ? trace_hardirqs_on+0xbd/0x310 [ 456.791496] ? kasan_check_read+0x11/0x20 [ 456.795664] ? ___ratelimit+0x3b4/0x672 [ 456.799663] ? trace_hardirqs_off_caller+0x310/0x310 [ 456.804784] ? trace_hardirqs_on+0x310/0x310 [ 456.809211] ? lock_downgrade+0x900/0x900 [ 456.813408] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 456.818540] ? ___ratelimit+0x3b9/0x672 [ 456.822551] ? idr_get_free+0xec0/0xec0 [ 456.826559] ? find_held_lock+0x36/0x1c0 [ 456.830684] oom_kill_process.cold.27+0x10/0x903 [ 456.835510] ? zap_class+0x640/0x640 [ 456.839230] ? check_preemption_disabled+0x48/0x280 [ 456.844267] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.849202] ? kasan_check_read+0x11/0x20 [ 456.853362] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.858662] ? oom_evaluate_task+0x540/0x540 [ 456.863138] ? find_held_lock+0x36/0x1c0 [ 456.867229] ? out_of_memory+0x974/0x1430 [ 456.871386] ? lock_downgrade+0x900/0x900 [ 456.875535] ? check_preemption_disabled+0x48/0x280 [ 456.880590] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.885543] ? kasan_check_read+0x11/0x20 [ 456.889694] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 456.894976] ? rcu_softirq_qs+0x20/0x20 [ 456.898969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.904512] ? oom_evaluate_task+0x302/0x540 [ 456.908929] out_of_memory+0xa84/0x1430 [ 456.912971] ? oom_killer_disable+0x3a0/0x3a0 [ 456.917525] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 456.922460] ? __mutex_add_waiter+0x2a0/0x2a0 [ 456.926983] __alloc_pages_slowpath+0x22d4/0x2d70 [ 456.931869] ? warn_alloc+0x120/0x120 [ 456.935692] ? rcu_softirq_qs+0x20/0x20 [ 456.939708] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 456.945256] ? should_fail+0x22d/0xd01 [ 456.949181] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 456.954301] ? zap_class+0x640/0x640 [ 456.958048] ? __lock_is_held+0xb5/0x140 [ 456.962133] ? mark_held_locks+0x130/0x130 [ 456.966395] ? lock_release+0xa00/0xa00 [ 456.970389] ? perf_trace_sched_process_exec+0x860/0x860 [ 456.975863] ? __might_sleep+0x95/0x190 [ 456.979860] __alloc_pages_nodemask+0xa80/0xde0 [ 456.984554] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 456.989580] ? __page_cache_alloc+0x191/0x5c0 [ 456.994085] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 456.999026] ? kasan_check_read+0x11/0x20 [ 457.003184] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.008473] ? zap_class+0x640/0x640 [ 457.012201] ? zap_class+0x640/0x640 [ 457.015916] ? zap_class+0x640/0x640 [ 457.019644] ? __do_page_cache_readahead+0x7ce/0x980 [ 457.024763] ? find_held_lock+0x36/0x1c0 [ 457.028833] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 457.034381] alloc_pages_current+0x173/0x350 [ 457.038831] __page_cache_alloc+0x38c/0x5c0 [ 457.043157] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 457.048089] ? kasan_check_read+0x11/0x20 [ 457.052246] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.057547] ? generic_perform_write+0x6a0/0x6a0 [ 457.062316] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.067859] ? check_preemption_disabled+0x48/0x280 [ 457.072892] filemap_fault+0x1594/0x25f0 [ 457.076981] ? __lock_page_or_retry+0xa00/0xa00 [ 457.081661] ? mark_held_locks+0x130/0x130 [ 457.085903] ? rcu_softirq_qs+0x20/0x20 [ 457.089893] ? filemap_map_pages+0xe04/0x1990 [ 457.094404] ? __free_object+0x173/0x340 [ 457.098470] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 457.103406] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.108516] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 457.113200] ? debug_object_free+0x32d/0x690 [ 457.117612] ? kasan_check_read+0x11/0x20 [ 457.121764] ? debug_object_destroy+0x2b0/0x2b0 [ 457.126443] ? lock_pi_update_atomic+0x150/0x150 [ 457.131200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.136745] ? __hrtimer_init+0xdb/0x240 [ 457.140821] ? lock_acquire+0x1ed/0x520 [ 457.144805] ? ext4_filemap_fault+0x7a/0xad [ 457.149134] ? lock_release+0xa00/0xa00 [ 457.153114] ? perf_trace_sched_process_exec+0x860/0x860 [ 457.158569] ? print_usage_bug+0xc0/0xc0 [ 457.162637] ? print_usage_bug+0xc0/0xc0 [ 457.166713] ? down_read+0x8d/0x120 [ 457.170344] ? ext4_filemap_fault+0x7a/0xad [ 457.174666] ? __down_interruptible+0x700/0x700 [ 457.179351] ext4_filemap_fault+0x82/0xad [ 457.183506] __do_fault+0x100/0x6b0 [ 457.187139] ? pmd_devmap_trans_unstable+0x220/0x220 [ 457.192250] ? mark_held_locks+0x130/0x130 [ 457.196512] ? mark_held_locks+0x130/0x130 [ 457.200754] ? debug_smp_processor_id+0x1c/0x20 [ 457.205425] ? perf_trace_lock+0x14d/0x7a0 [ 457.209671] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.215215] __handle_mm_fault+0x307c/0x5920 [ 457.219640] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 457.224486] ? lock_is_held_type+0x210/0x210 [ 457.228924] ? zap_class+0x640/0x640 [ 457.232662] ? zap_class+0x640/0x640 [ 457.236405] ? __x64_sys_futex+0x53e/0x6a0 [ 457.240646] ? find_held_lock+0x36/0x1c0 [ 457.244720] ? handle_mm_fault+0x42a/0xc70 [ 457.248961] ? lock_downgrade+0x900/0x900 [ 457.253113] ? check_preemption_disabled+0x48/0x280 [ 457.258141] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 457.263073] ? kasan_check_read+0x11/0x20 [ 457.267229] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 457.272510] ? rcu_softirq_qs+0x20/0x20 [ 457.276488] ? trace_hardirqs_off_caller+0x310/0x310 [ 457.281595] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.287134] ? check_preemption_disabled+0x48/0x280 [ 457.292162] handle_mm_fault+0x54f/0xc70 [ 457.296230] ? __handle_mm_fault+0x5920/0x5920 [ 457.300843] ? find_vma+0x34/0x190 [ 457.304392] __do_page_fault+0x5e8/0xe60 [ 457.308451] ? trace_hardirqs_off+0xb8/0x310 [ 457.312865] ? trace_hardirqs_off+0xb8/0x310 [ 457.317289] do_page_fault+0xf2/0x7e0 [ 457.321094] ? vmalloc_sync_all+0x30/0x30 [ 457.325246] ? error_entry+0x70/0xd0 [ 457.328967] ? trace_hardirqs_off_caller+0xbb/0x310 [ 457.333983] ? trace_hardirqs_on_caller+0xc0/0x310 [ 457.338917] ? syscall_return_slowpath+0x5e0/0x5e0 [ 457.343850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.348698] ? trace_hardirqs_on_caller+0x310/0x310 [ 457.353718] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 457.359182] ? prepare_exit_to_usermode+0x291/0x3b0 [ 457.364202] ? page_fault+0x8/0x30 [ 457.367751] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 457.372599] ? page_fault+0x8/0x30 [ 457.376143] page_fault+0x1e/0x30 [ 457.379601] RIP: 0033:0x45ddf3 [ 457.382812] Code: Bad RIP value. [ 457.386177] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 457.391545] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 457.398817] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 457.406087] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 457.413387] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 457.420660] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 457.427972] warn_alloc_show_mem: 1 callbacks suppressed [ 457.427985] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 457.427987] Mem-Info: [ 457.428018] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 457.428018] active_file:13 inactive_file:17 isolated_file:0 [ 457.428018] unevictable:0 dirty:0 writeback:0 unstable:0 [ 457.428018] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 457.428018] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 457.428018] free:13759 free_pcp:161 free_cma:0 [ 457.433366] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 457.433375] Call Trace: [ 457.440403] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 457.442808] [ 457.475769] Node 0 [ 457.485135] dump_stack+0x244/0x39d [ 457.487718] 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 [ 457.515377] ? dump_stack_print_info.cold.1+0x20/0x20 [ 457.517501] lowmem_reserve[]: [ 457.519747] warn_alloc.cold.117+0xb7/0x1bd [ 457.523342] 0 [ 457.548858] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 457.554025] 2819 [ 457.557138] ? lock_downgrade+0x900/0x900 [ 457.561462] 6323 [ 457.563281] ? trace_hardirqs_off+0xb8/0x310 [ 457.568094] 6323 [ 457.570162] ? trace_hardirqs_off+0xb8/0x310 [ 457.576353] __alloc_pages_slowpath+0x2660/0x2d70 [ 457.580735] Node 0 [ 457.582826] ? warn_alloc+0x120/0x120 [ 457.587221] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 457.592054] ? warn_alloc+0x120/0x120 [ 457.594275] lowmem_reserve[]: [ 457.598075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.624771] 0 0 [ 457.628590] ? print_usage_bug+0xc0/0xc0 [ 457.631672] 3503 [ 457.637219] ? warn_alloc+0x120/0x120 [ 457.639179] 3503 [ 457.643245] ? print_usage_bug+0xc0/0xc0 [ 457.649086] ? mark_held_locks+0x130/0x130 [ 457.651135] Node 0 [ 457.655199] ? __lock_is_held+0xb5/0x140 [ 457.659433] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 457.661642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 457.665679] lowmem_reserve[]: [ 457.693958] ? should_fail+0x22d/0xd01 [ 457.699477] 0 [ 457.702587] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.706457] 0 [ 457.708257] ? __lock_acquire+0x62f/0x4c20 [ 457.713341] 0 [ 457.715153] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 457.719360] 0 [ 457.721170] ? should_fail+0x22d/0xd01 [ 457.726787] Node 0 [ 457.728604] ? mark_held_locks+0x130/0x130 [ 457.732454] DMA: 1*4kB [ 457.734703] ? mark_held_locks+0x130/0x130 [ 457.738915] (U) [ 457.741501] ? print_usage_bug+0xc0/0xc0 [ 457.745726] 0*8kB [ 457.747696] ? find_held_lock+0x36/0x1c0 [ 457.751749] 0*16kB [ 457.753892] ? zap_class+0x640/0x640 [ 457.757931] 1*32kB [ 457.760171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.763865] (U) [ 457.766102] ? check_preemption_disabled+0x48/0x280 [ 457.771618] 2*64kB [ 457.773595] ? __lock_is_held+0xb5/0x140 [ 457.779031] (U) 1*128kB [ 457.781304] __alloc_pages_nodemask+0xa80/0xde0 [ 457.785342] (U) [ 457.788011] ? zap_class+0x640/0x640 [ 457.792658] 1*256kB [ 457.794629] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 457.798324] (U) [ 457.800675] ? find_held_lock+0x36/0x1c0 [ 457.805677] 0*512kB [ 457.807655] ? ____cache_alloc_node+0x1c7/0x1e0 [ 457.811689] 1*1024kB [ 457.814011] ? lock_downgrade+0x900/0x900 [ 457.818661] (U) [ 457.821074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.825202] 1*2048kB [ 457.827178] cache_grow_begin+0xa5/0x8c0 [ 457.832701] (M) [ 457.835112] ? do_raw_spin_unlock+0xa7/0x330 [ 457.839151] 3*4096kB [ 457.841126] fallback_alloc+0x204/0x2e0 [ 457.845501] (M) = 15908kB [ 457.847923] ____cache_alloc_node+0x1c7/0x1e0 [ 457.851872] Node 0 [ 457.854629] kmem_cache_alloc_node+0xe3/0x730 [ 457.859110] DMA32: [ 457.861360] ? mark_held_locks+0xc7/0x130 [ 457.865839] 5*4kB [ 457.868094] __alloc_skb+0x119/0x770 [ 457.872217] (UM) [ 457.874370] ? netdev_alloc_frag+0x1f0/0x1f0 [ 457.878059] 1*8kB [ 457.880125] ? do_raw_spin_trylock+0x270/0x270 [ 457.884510] (M) [ 457.886659] ? kmem_cache_alloc_trace+0x353/0x750 [ 457.891228] 3*16kB (M) [ 457.893225] ? queue_work_on+0x12c/0x1e0 [ 457.898046] 3*32kB [ 457.900634] ? switchdev_port_obj_del+0xdc/0x440 [ 457.904668] (UM) [ 457.906921] ? switchdev_trans_item_enqueue+0x260/0x260 [ 457.911661] 2*64kB [ 457.913723] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 457.919063] (M) [ 457.921308] __br_mdb_notify+0x4ff/0x15d0 [ 457.926297] 2*128kB [ 457.928271] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 457.932395] (M) [ 457.934725] ? __br_mdb_add+0x7f0/0x7f0 [ 457.939803] 4*256kB [ 457.941773] ? mark_held_locks+0x130/0x130 [ 457.945724] (M) [ 457.948052] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 457.952264] 4*512kB [ 457.954242] ? debug_object_assert_init+0x368/0x4b0 [ 457.959319] (UM) [ 457.961642] ? debug_object_init_on_stack+0x20/0x20 [ 457.966641] 3*1024kB [ 457.968697] ? zap_class+0x640/0x640 [ 457.973693] (UM) [ 457.976126] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 457.979816] 3*2048kB [ 457.981879] br_mdb_notify+0x310/0x410 [ 457.987387] (M) [ 457.989794] ? br_mdb_dump+0x27b0/0x27b0 [ 457.993663] 3*4096kB [ 457.995649] br_multicast_del_pg+0x3df/0x790 [ 457.999677] (M) [ 458.002089] ? br_mdb_ip_get+0x940/0x940 [ 458.006472] = 25132kB [ 458.008474] ? rwlock_bug.part.2+0x90/0x90 [ 458.012518] Node 0 [ 458.014926] ? __lock_is_held+0xb5/0x140 [ 458.019131] Normal: 951*4kB [ 458.021382] br_multicast_port_group_expired+0x189/0x1e0 [ 458.025417] (UMEH) [ 458.028440] call_timer_fn+0x272/0x920 [ 458.033864] 234*8kB [ 458.036107] ? br_multicast_del_pg+0x790/0x790 [ 458.039977] (UME) [ 458.042298] ? process_timeout+0x40/0x40 [ 458.046856] 222*16kB [ 458.049011] ? __run_timers+0x7da/0xc70 [ 458.053043] (UMEH) [ 458.055463] ? _raw_spin_unlock_irq+0x27/0x80 [ 458.059409] 132*32kB [ 458.061646] ? _raw_spin_unlock_irq+0x27/0x80 [ 458.066115] (UM) 1*64kB [ 458.068536] ? br_multicast_del_pg+0x790/0x790 [ 458.073007] (H) [ 458.075673] ? lockdep_hardirqs_on+0x296/0x5b0 [ 458.080236] 0*128kB [ 458.082212] ? trace_hardirqs_on+0xbd/0x310 [ 458.086773] 0*256kB [ 458.089096] ? kasan_check_read+0x11/0x20 [ 458.093396] 1*512kB [ 458.095717] ? __run_timers+0x7da/0xc70 [ 458.099841] (H) [ 458.102162] ? trace_hardirqs_off_caller+0x310/0x310 [ 458.106115] 0*1024kB [ 458.108094] ? br_multicast_del_pg+0x790/0x790 [ 458.113168] 0*2048kB 0*4096kB [ 458.115592] ? br_multicast_del_pg+0x790/0x790 [ 458.120152] = 14028kB [ 458.123351] __run_timers+0x7e5/0xc70 [ 458.127918] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 458.130359] ? timer_fixup_init+0x70/0x70 [ 458.134137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 458.142969] ? kasan_check_read+0x11/0x20 [ 458.147097] 4244 total pagecache pages [ 458.155669] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.159803] 0 pages in swap cache [ 458.163680] ? rcu_softirq_qs+0x20/0x20 [ 458.168940] Swap cache stats: add 0, delete 0, find 0/0 [ 458.172385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.176340] Free swap = 0kB [ 458.181701] ? check_preemption_disabled+0x48/0x280 [ 458.187218] Total swap = 0kB [ 458.190246] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 458.195240] 1965979 pages RAM [ 458.198259] ? retint_kernel+0x2d/0x2d [ 458.202989] 0 pages HighMem/MovableOnly [ 458.206089] ? trace_hardirqs_on_caller+0xc0/0x310 [ 458.209956] 342293 pages reserved [ 458.213926] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 458.218857] 0 pages cma reserved [ 458.222310] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 458.227226] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 458.230407] ? zap_class+0x640/0x640 [ 458.235838] syz-fuzzer cpuset= [ 458.246073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.249762] / [ 458.252969] ? check_preemption_disabled+0x48/0x280 [ 458.258489] mems_allowed=0 [ 458.260209] ? __lock_is_held+0xb5/0x140 [ 458.272198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.277734] ? check_preemption_disabled+0x48/0x280 [ 458.282758] run_timer_softirq+0x52/0xb0 [ 458.286820] ? rcu_read_lock_sched_held+0x14f/0x180 [ 458.291852] __do_softirq+0x308/0xb7e [ 458.295656] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 458.300156] ? lock_downgrade+0x900/0x900 [ 458.304315] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 458.309445] ? pvclock_read_flags+0x160/0x160 [ 458.313965] ? lapic_next_event+0x5a/0x90 [ 458.318116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.323666] ? kvm_clock_read+0x18/0x30 [ 458.327642] ? kvm_sched_clock_read+0x9/0x20 [ 458.332055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.337598] ? check_preemption_disabled+0x48/0x280 [ 458.342629] irq_exit+0x17f/0x1c0 [ 458.346107] smp_apic_timer_interrupt+0x1cb/0x760 [ 458.350951] ? smp_reschedule_interrupt+0x109/0x650 [ 458.355974] ? smp_call_function_single_interrupt+0x650/0x650 [ 458.361865] ? interrupt_entry+0xb5/0xc0 [ 458.365928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.370941] ? trace_hardirqs_off_caller+0xbb/0x310 [ 458.375975] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.380817] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.385830] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.390844] ? task_prio+0x50/0x50 [ 458.394384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.399928] ? check_preemption_disabled+0x48/0x280 [ 458.404974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.409855] apic_timer_interrupt+0xf/0x20 [ 458.414098] [ 458.416343] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 458.421274] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 458.440176] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 458.447900] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 458.455180] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 458.462454] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 458.469719] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 458.476984] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 458.484295] skb_clone+0x1bb/0x500 [ 458.487855] ? finish_task_switch+0x2f4/0x910 [ 458.492367] ? skb_split+0x11e0/0x11e0 [ 458.496267] ? preempt_notifier_register+0x200/0x200 [ 458.501374] ? __switch_to_asm+0x34/0x70 [ 458.505436] ? __switch_to_asm+0x34/0x70 [ 458.509501] ? __switch_to_asm+0x40/0x70 [ 458.513559] ? __switch_to_asm+0x34/0x70 [ 458.517616] ? __switch_to_asm+0x40/0x70 [ 458.521674] ? __switch_to_asm+0x34/0x70 [ 458.525732] ? __switch_to_asm+0x40/0x70 [ 458.529790] ? __switch_to_asm+0x34/0x70 [ 458.533853] ? __switch_to_asm+0x34/0x70 [ 458.537917] ? __switch_to_asm+0x40/0x70 [ 458.541992] ? __switch_to_asm+0x34/0x70 [ 458.546060] bpf_clone_redirect+0xb9/0x490 [ 458.550304] ? __schedule+0x8d7/0x21d0 [ 458.554198] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 458.559226] ? __sched_text_start+0x8/0x8 [ 458.563381] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 458.567972] ? find_held_lock+0x36/0x1c0 [ 458.572047] ? lock_acquire+0x1ed/0x520 [ 458.576021] ? bpf_test_run+0x3cb/0x780 [ 458.579996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.585539] ? check_preemption_disabled+0x48/0x280 [ 458.590565] ? kasan_check_read+0x11/0x20 [ 458.594718] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 458.599995] ? rcu_softirq_qs+0x20/0x20 [ 458.603976] ? preempt_schedule+0x4d/0x60 [ 458.608168] ? ___preempt_schedule+0x16/0x18 [ 458.612588] ? bpf_test_run+0x25d/0x780 [ 458.617064] ? netlink_diag_dump+0x2a0/0x2a0 [ 458.621482] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 458.626254] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 458.631023] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 458.635870] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 458.641419] ? fput+0x130/0x1a0 [ 458.644714] ? __bpf_prog_get+0x9b/0x290 [ 458.648780] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 458.653626] ? bpf_prog_test_run+0x130/0x1a0 [ 458.658041] ? __x64_sys_bpf+0x3d8/0x520 [ 458.662109] ? bpf_prog_get+0x20/0x20 [ 458.665939] ? do_syscall_64+0x1b9/0x820 [ 458.670007] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 458.675374] ? syscall_return_slowpath+0x5e0/0x5e0 [ 458.680309] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.685153] ? trace_hardirqs_on_caller+0x310/0x310 [ 458.690178] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 458.695211] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.700754] ? prepare_exit_to_usermode+0x291/0x3b0 [ 458.705780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 458.710638] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 458.716026] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 458.716219] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 458.722702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 458.722712] Call Trace: [ 458.733197] syz-executor3 cpuset= [ 458.743064] [ 458.745635] syz3 [ 458.749086] dump_stack+0x244/0x39d [ 458.751221] mems_allowed=0 [ 458.753201] ? dump_stack_print_info.cold.1+0x20/0x20 [ 458.764923] warn_alloc.cold.117+0xb7/0x1bd [ 458.769257] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 458.774107] ? lock_downgrade+0x900/0x900 [ 458.778266] ? trace_hardirqs_off+0xb8/0x310 [ 458.782681] ? trace_hardirqs_off+0xb8/0x310 [ 458.787100] __alloc_pages_slowpath+0x2660/0x2d70 [ 458.791987] ? warn_alloc+0x120/0x120 [ 458.795792] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 458.800809] ? warn_alloc+0x120/0x120 [ 458.804617] ? print_usage_bug+0xc0/0xc0 [ 458.808678] ? warn_alloc+0x120/0x120 [ 458.812483] ? print_usage_bug+0xc0/0xc0 [ 458.816554] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 458.821763] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 458.827305] ? should_fail+0x22d/0xd01 [ 458.831224] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.836332] ? __lock_acquire+0x62f/0x4c20 [ 458.840572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 458.845681] ? should_fail+0x22d/0xd01 [ 458.849582] ? mark_held_locks+0x130/0x130 [ 458.853824] ? mark_held_locks+0x130/0x130 [ 458.858056] ? print_usage_bug+0xc0/0xc0 [ 458.862122] ? find_held_lock+0x36/0x1c0 [ 458.866192] ? zap_class+0x640/0x640 [ 458.869912] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.875455] ? check_preemption_disabled+0x48/0x280 [ 458.880487] ? __lock_is_held+0xb5/0x140 [ 458.884556] __alloc_pages_nodemask+0xa80/0xde0 [ 458.889226] ? zap_class+0x640/0x640 [ 458.892953] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 458.897989] ? find_held_lock+0x36/0x1c0 [ 458.902064] ? ____cache_alloc_node+0x1c7/0x1e0 [ 458.906739] ? lock_downgrade+0x900/0x900 [ 458.910897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 458.916444] cache_grow_begin+0xa5/0x8c0 [ 458.920512] ? do_raw_spin_unlock+0xa7/0x330 [ 458.924932] fallback_alloc+0x204/0x2e0 [ 458.928918] ____cache_alloc_node+0x1c7/0x1e0 [ 458.933431] kmem_cache_alloc_node+0xe3/0x730 [ 458.937928] ? mark_held_locks+0xc7/0x130 [ 458.942094] __alloc_skb+0x119/0x770 [ 458.945814] ? netdev_alloc_frag+0x1f0/0x1f0 [ 458.950225] ? do_raw_spin_trylock+0x270/0x270 [ 458.954810] ? kmem_cache_alloc_trace+0x353/0x750 [ 458.959667] ? queue_work_on+0x12c/0x1e0 [ 458.963742] ? switchdev_port_obj_del+0xdc/0x440 [ 458.968499] ? switchdev_trans_item_enqueue+0x260/0x260 [ 458.973867] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 458.978905] __br_mdb_notify+0x4ff/0x15d0 [ 458.983056] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 458.988175] ? __br_mdb_add+0x7f0/0x7f0 [ 458.992163] ? mark_held_locks+0x130/0x130 [ 458.996413] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.001521] ? debug_object_assert_init+0x368/0x4b0 [ 459.006546] ? debug_object_init_on_stack+0x20/0x20 [ 459.011558] ? zap_class+0x640/0x640 [ 459.015275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.020823] br_mdb_notify+0x310/0x410 [ 459.024715] ? br_mdb_dump+0x27b0/0x27b0 [ 459.028802] br_multicast_del_pg+0x3df/0x790 [ 459.033229] ? br_mdb_ip_get+0x940/0x940 [ 459.037301] ? rwlock_bug.part.2+0x90/0x90 [ 459.041540] ? __lock_is_held+0xb5/0x140 [ 459.045616] br_multicast_port_group_expired+0x189/0x1e0 [ 459.051076] call_timer_fn+0x272/0x920 [ 459.054971] ? br_multicast_del_pg+0x790/0x790 [ 459.059563] ? process_timeout+0x40/0x40 [ 459.063638] ? mark_held_locks+0xc7/0x130 [ 459.067792] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.072289] ? _raw_spin_unlock_irq+0x27/0x80 [ 459.076791] ? br_multicast_del_pg+0x790/0x790 [ 459.081378] ? lockdep_hardirqs_on+0x296/0x5b0 [ 459.086137] ? trace_hardirqs_on+0xbd/0x310 [ 459.090461] ? kasan_check_read+0x11/0x20 [ 459.094614] ? __run_timers+0x7da/0xc70 [ 459.098593] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.103703] ? br_multicast_del_pg+0x790/0x790 [ 459.108297] ? br_multicast_del_pg+0x790/0x790 [ 459.112973] __run_timers+0x7e5/0xc70 [ 459.116792] ? timer_fixup_init+0x70/0x70 [ 459.120946] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 459.125973] ? zap_class+0x640/0x640 [ 459.129692] ? print_usage_bug+0xc0/0xc0 [ 459.133761] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 459.138966] ? find_held_lock+0x36/0x1c0 [ 459.143037] ? zap_class+0x640/0x640 [ 459.146759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.152298] ? check_preemption_disabled+0x48/0x280 [ 459.157327] ? __lock_is_held+0xb5/0x140 [ 459.161394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.166932] ? check_preemption_disabled+0x48/0x280 [ 459.171975] run_timer_softirq+0x52/0xb0 [ 459.176039] ? rcu_read_lock_sched_held+0x14f/0x180 [ 459.181060] __do_softirq+0x308/0xb7e [ 459.184864] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 459.189361] ? lock_downgrade+0x900/0x900 [ 459.193521] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 459.198635] ? pvclock_read_flags+0x160/0x160 [ 459.203137] ? lapic_next_event+0x5a/0x90 [ 459.207301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.212857] ? kvm_clock_read+0x18/0x30 [ 459.216858] ? kvm_sched_clock_read+0x9/0x20 [ 459.221273] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.226812] ? check_preemption_disabled+0x48/0x280 [ 459.231851] irq_exit+0x17f/0x1c0 [ 459.235311] smp_apic_timer_interrupt+0x1cb/0x760 [ 459.240155] ? smp_reschedule_interrupt+0x109/0x650 [ 459.245183] ? smp_call_function_single_interrupt+0x650/0x650 [ 459.251077] ? interrupt_entry+0xb5/0xc0 [ 459.255139] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.260156] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.265180] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.270034] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.275050] ? trace_hardirqs_on_caller+0x310/0x310 [ 459.280255] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 459.285114] apic_timer_interrupt+0xf/0x20 [ 459.289343] [ 459.291589] RIP: 0010:dump_stack+0x358/0x39d [ 459.296003] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 459.314904] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 459.322617] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 459.329884] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 459.337211] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 459.344481] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 459.351746] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 459.359046] ? dump_stack+0x34f/0x39d [ 459.362865] ? dump_stack_print_info.cold.1+0x20/0x20 [ 459.368096] dump_header+0x27b/0xf72 [ 459.371822] ? mark_held_locks+0x130/0x130 [ 459.376060] ? pagefault_out_of_memory+0x197/0x197 [ 459.381002] ? __lock_acquire+0x62f/0x4c20 [ 459.385237] ? zap_class+0x640/0x640 [ 459.388959] ? percpu_ref_get_many+0x240/0x240 [ 459.393542] ? print_usage_bug+0xc0/0xc0 [ 459.397607] ? print_usage_bug+0xc0/0xc0 [ 459.401674] ? zap_class+0x640/0x640 [ 459.405393] ? print_usage_bug+0xc0/0xc0 [ 459.409452] ? print_usage_bug+0xc0/0xc0 [ 459.413618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.419160] ? find_held_lock+0x36/0x1c0 [ 459.423240] ? mark_held_locks+0xc7/0x130 [ 459.427396] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 459.432504] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 459.437610] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 459.442201] ? trace_hardirqs_on+0xbd/0x310 [ 459.446529] ? kasan_check_read+0x11/0x20 [ 459.450683] ? ___ratelimit+0x3b4/0x672 [ 459.454663] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.459770] ? trace_hardirqs_on+0x310/0x310 [ 459.464178] ? lock_downgrade+0x900/0x900 [ 459.468342] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 459.473451] ? ___ratelimit+0x3b9/0x672 [ 459.477444] ? idr_get_free+0xec0/0xec0 [ 459.481418] ? find_held_lock+0x36/0x1c0 [ 459.485494] oom_kill_process.cold.27+0x10/0x903 [ 459.490257] ? zap_class+0x640/0x640 [ 459.493978] ? check_preemption_disabled+0x48/0x280 [ 459.499007] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.503938] ? kasan_check_read+0x11/0x20 [ 459.508094] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.513380] ? oom_evaluate_task+0x540/0x540 [ 459.517797] ? find_held_lock+0x36/0x1c0 [ 459.521875] ? out_of_memory+0x974/0x1430 [ 459.526035] ? lock_downgrade+0x900/0x900 [ 459.530194] ? check_preemption_disabled+0x48/0x280 [ 459.535227] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.540182] ? kasan_check_read+0x11/0x20 [ 459.544343] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.549622] ? rcu_softirq_qs+0x20/0x20 [ 459.553603] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.559144] ? oom_evaluate_task+0x302/0x540 [ 459.563565] out_of_memory+0xa84/0x1430 [ 459.567554] ? oom_killer_disable+0x3a0/0x3a0 [ 459.572051] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 459.576988] ? __mutex_add_waiter+0x2a0/0x2a0 [ 459.581502] __alloc_pages_slowpath+0x22d4/0x2d70 [ 459.586382] ? warn_alloc+0x120/0x120 [ 459.590195] ? rcu_softirq_qs+0x20/0x20 [ 459.594216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.599760] ? should_fail+0x22d/0xd01 [ 459.603661] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 459.608775] ? zap_class+0x640/0x640 [ 459.612520] ? __lock_is_held+0xb5/0x140 [ 459.616593] ? mark_held_locks+0x130/0x130 [ 459.620838] ? lock_release+0xa00/0xa00 [ 459.624817] ? perf_trace_sched_process_exec+0x860/0x860 [ 459.630283] ? __might_sleep+0x95/0x190 [ 459.634268] __alloc_pages_nodemask+0xa80/0xde0 [ 459.638954] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 459.643977] ? __page_cache_alloc+0x191/0x5c0 [ 459.648475] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.653416] ? kasan_check_read+0x11/0x20 [ 459.657570] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.662850] ? zap_class+0x640/0x640 [ 459.666577] ? zap_class+0x640/0x640 [ 459.670296] ? zap_class+0x640/0x640 [ 459.674010] ? __do_page_cache_readahead+0x7ce/0x980 [ 459.679125] ? find_held_lock+0x36/0x1c0 [ 459.683200] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 459.688747] alloc_pages_current+0x173/0x350 [ 459.693167] __page_cache_alloc+0x38c/0x5c0 [ 459.697497] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.702425] ? kasan_check_read+0x11/0x20 [ 459.706580] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.711861] ? generic_perform_write+0x6a0/0x6a0 [ 459.716618] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.722644] ? check_preemption_disabled+0x48/0x280 [ 459.727683] filemap_fault+0x1594/0x25f0 [ 459.731760] ? __lock_page_or_retry+0xa00/0xa00 [ 459.736432] ? mark_held_locks+0x130/0x130 [ 459.740668] ? rcu_softirq_qs+0x20/0x20 [ 459.744660] ? filemap_map_pages+0xe04/0x1990 [ 459.749171] ? __free_object+0x173/0x340 [ 459.753253] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 459.758194] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.763307] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 459.768003] ? debug_object_free+0x32d/0x690 [ 459.772408] ? kasan_check_read+0x11/0x20 [ 459.776557] ? debug_object_destroy+0x2b0/0x2b0 [ 459.781229] ? lock_pi_update_atomic+0x150/0x150 [ 459.785985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 459.791528] ? __hrtimer_init+0xdb/0x240 [ 459.795602] ? lock_acquire+0x1ed/0x520 [ 459.799578] ? ext4_filemap_fault+0x7a/0xad [ 459.803915] ? lock_release+0xa00/0xa00 [ 459.807907] ? perf_trace_sched_process_exec+0x860/0x860 [ 459.813363] ? print_usage_bug+0xc0/0xc0 [ 459.817428] ? print_usage_bug+0xc0/0xc0 [ 459.821509] ? down_read+0x8d/0x120 [ 459.825136] ? ext4_filemap_fault+0x7a/0xad [ 459.829459] ? __down_interruptible+0x700/0x700 [ 459.834143] ext4_filemap_fault+0x82/0xad [ 459.838301] __do_fault+0x100/0x6b0 [ 459.841933] ? pmd_devmap_trans_unstable+0x220/0x220 [ 459.847045] ? mark_held_locks+0x130/0x130 [ 459.851287] ? mark_held_locks+0x130/0x130 [ 459.855525] ? debug_smp_processor_id+0x1c/0x20 [ 459.860204] ? perf_trace_lock+0x14d/0x7a0 [ 459.864450] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.869999] __handle_mm_fault+0x307c/0x5920 [ 459.874419] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 459.879267] ? lock_is_held_type+0x210/0x210 [ 459.883723] ? zap_class+0x640/0x640 [ 459.887458] ? zap_class+0x640/0x640 [ 459.891182] ? __x64_sys_futex+0x53e/0x6a0 [ 459.895431] ? find_held_lock+0x36/0x1c0 [ 459.899506] ? handle_mm_fault+0x42a/0xc70 [ 459.903741] ? lock_downgrade+0x900/0x900 [ 459.907891] ? check_preemption_disabled+0x48/0x280 [ 459.912921] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 459.917855] ? kasan_check_read+0x11/0x20 [ 459.922005] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 459.927296] ? rcu_softirq_qs+0x20/0x20 [ 459.931270] ? trace_hardirqs_off_caller+0x310/0x310 [ 459.936378] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 459.941922] ? check_preemption_disabled+0x48/0x280 [ 459.946964] handle_mm_fault+0x54f/0xc70 [ 459.951035] ? __handle_mm_fault+0x5920/0x5920 [ 459.955629] ? find_vma+0x34/0x190 [ 459.959179] __do_page_fault+0x5e8/0xe60 [ 459.963247] ? trace_hardirqs_off+0xb8/0x310 [ 459.967659] ? trace_hardirqs_off+0xb8/0x310 [ 459.972081] do_page_fault+0xf2/0x7e0 [ 459.975883] ? vmalloc_sync_all+0x30/0x30 [ 459.980036] ? error_entry+0x70/0xd0 [ 459.983755] ? trace_hardirqs_off_caller+0xbb/0x310 [ 459.988777] ? trace_hardirqs_on_caller+0xc0/0x310 [ 459.993714] ? syscall_return_slowpath+0x5e0/0x5e0 [ 459.998642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.003487] ? trace_hardirqs_on_caller+0x310/0x310 [ 460.008505] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 460.013969] ? prepare_exit_to_usermode+0x291/0x3b0 [ 460.018999] ? page_fault+0x8/0x30 [ 460.022543] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 460.027390] ? page_fault+0x8/0x30 [ 460.030933] page_fault+0x1e/0x30 [ 460.034424] RIP: 0033:0x45ddf3 [ 460.037634] Code: Bad RIP value. [ 460.040995] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 460.046362] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 460.053631] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 460.060896] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 460.068163] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 460.075442] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 460.082737] warn_alloc_show_mem: 1 callbacks suppressed [ 460.082749] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 460.082751] Mem-Info: [ 460.082783] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 460.082783] active_file:13 inactive_file:17 isolated_file:0 [ 460.082783] unevictable:0 dirty:0 writeback:0 unstable:0 [ 460.082783] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 460.082783] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 460.082783] free:13759 free_pcp:161 free_cma:0 [ 460.088127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 460.095150] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 460.097577] Call Trace: [ 460.130537] Node 0 [ 460.139889] [ 460.167574] 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 [ 460.170141] dump_stack+0x244/0x39d [ 460.172350] lowmem_reserve[]: 0 [ 460.174511] ? dump_stack_print_info.cold.1+0x20/0x20 [ 460.199989] 2819 [ 460.203623] warn_alloc.cold.117+0xb7/0x1bd [ 460.206870] 6323 [ 460.212081] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 460.214122] 6323 [ 460.218445] ? lock_downgrade+0x900/0x900 [ 460.225330] ? trace_hardirqs_off+0xb8/0x310 [ 460.227368] Node 0 [ 460.231512] ? trace_hardirqs_off+0xb8/0x310 [ 460.235921] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 460.238135] __alloc_pages_slowpath+0x2660/0x2d70 [ 460.242515] lowmem_reserve[]: 0 [ 460.269262] ? warn_alloc+0x120/0x120 [ 460.274059] 0 [ 460.277339] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 460.281116] 3503 [ 460.282913] ? warn_alloc+0x120/0x120 [ 460.287911] 3503 [ 460.289971] ? print_usage_bug+0xc0/0xc0 [ 460.293755] Node 0 [ 460.295814] ? warn_alloc+0x120/0x120 [ 460.299885] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 460.302092] ? print_usage_bug+0xc0/0xc0 [ 460.305875] lowmem_reserve[]: 0 [ 460.334165] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 460.334191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 460.338256] 0 [ 460.341540] ? should_fail+0x22d/0xd01 [ 460.346707] 0 [ 460.352242] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.354020] 0 [ 460.357901] ? __lock_acquire+0x62f/0x4c20 [ 460.364783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 460.366568] Node 0 [ 460.370817] ? should_fail+0x22d/0xd01 [ 460.375902] DMA: [ 460.378147] ? mark_held_locks+0x130/0x130 [ 460.382006] 1*4kB [ 460.384075] ? mark_held_locks+0x130/0x130 [ 460.388301] (U) [ 460.390445] ? print_usage_bug+0xc0/0xc0 [ 460.394658] 0*8kB [ 460.396633] ? find_held_lock+0x36/0x1c0 [ 460.400676] 0*16kB [ 460.402818] ? zap_class+0x640/0x640 [ 460.406862] 1*32kB [ 460.409100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.412787] (U) [ 460.415038] ? check_preemption_disabled+0x48/0x280 [ 460.420553] 2*64kB [ 460.422529] ? __lock_is_held+0xb5/0x140 [ 460.427519] (U) [ 460.429758] __alloc_pages_nodemask+0xa80/0xde0 [ 460.433797] 1*128kB [ 460.435768] ? zap_class+0x640/0x640 [ 460.440416] (U) [ 460.442736] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 460.446429] 1*256kB [ 460.448412] ? find_held_lock+0x36/0x1c0 [ 460.453402] (U) [ 460.455728] ? ____cache_alloc_node+0x1c7/0x1e0 [ 460.459763] 0*512kB [ 460.461735] ? lock_downgrade+0x900/0x900 [ 460.466388] 1*1024kB [ 460.468716] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.472840] (U) [ 460.475245] cache_grow_begin+0xa5/0x8c0 [ 460.480760] 1*2048kB [ 460.482735] ? do_raw_spin_unlock+0xa7/0x330 [ 460.486776] (M) [ 460.489192] fallback_alloc+0x204/0x2e0 [ 460.493582] 3*4096kB [ 460.495561] ____cache_alloc_node+0x1c7/0x1e0 [ 460.499511] (M) [ 460.501922] kmem_cache_alloc_node+0xe3/0x730 [ 460.506398] = 15908kB [ 460.508374] ? mark_held_locks+0xc7/0x130 [ 460.512847] Node 0 [ 460.515263] __alloc_skb+0x119/0x770 [ 460.519382] DMA32: [ 460.521627] ? netdev_alloc_frag+0x1f0/0x1f0 [ 460.525324] 5*4kB [ 460.527556] ? do_raw_spin_trylock+0x270/0x270 [ 460.531943] (UM) [ 460.534095] ? kmem_cache_alloc_trace+0x353/0x750 [ 460.538654] 1*8kB [ 460.540719] ? queue_work_on+0x12c/0x1e0 [ 460.545536] (M) [ 460.547692] ? switchdev_port_obj_del+0xdc/0x440 [ 460.551725] 3*16kB [ 460.553699] ? switchdev_trans_item_enqueue+0x260/0x260 [ 460.558435] (M) [ 460.560701] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 460.566042] 3*32kB [ 460.568023] __br_mdb_notify+0x4ff/0x15d0 [ 460.573011] (UM) [ 460.575252] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 460.579374] 2*64kB [ 460.581439] ? __br_mdb_add+0x7f0/0x7f0 [ 460.586511] (M) [ 460.588752] ? mark_held_locks+0x130/0x130 [ 460.592703] 2*128kB [ 460.594686] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 460.598899] (M) [ 460.601221] ? debug_object_assert_init+0x368/0x4b0 [ 460.606301] 4*256kB [ 460.608275] ? debug_object_init_on_stack+0x20/0x20 [ 460.613273] (M) [ 460.616076] ? zap_class+0x640/0x640 [ 460.616094] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.621096] 4*512kB [ 460.623077] br_mdb_notify+0x310/0x410 [ 460.626767] (UM) [ 460.632299] ? br_mdb_dump+0x27b0/0x27b0 [ 460.634597] 3*1024kB (UM) [ 460.638517] br_multicast_del_pg+0x3df/0x790 [ 460.640541] 3*2048kB [ 460.644610] ? br_mdb_ip_get+0x940/0x940 [ 460.647447] (M) [ 460.651859] ? rwlock_bug.part.2+0x90/0x90 [ 460.654253] 3*4096kB [ 460.658312] ? __lock_is_held+0xb5/0x140 [ 460.660271] (M) [ 460.664594] br_multicast_port_group_expired+0x189/0x1e0 [ 460.667005] = 25132kB [ 460.671072] call_timer_fn+0x272/0x920 [ 460.673019] Node 0 [ 460.678466] ? br_multicast_del_pg+0x790/0x790 [ 460.680852] Normal: [ 460.684737] ? process_timeout+0x40/0x40 [ 460.686960] 951*4kB [ 460.691542] ? __run_timers+0x7da/0xc70 [ 460.693838] (UMEH) [ 460.697897] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.700191] 234*8kB (UME) [ 460.704170] ? _raw_spin_unlock_irq+0x27/0x80 [ 460.706391] 222*16kB [ 460.710881] ? br_multicast_del_pg+0x790/0x790 [ 460.710897] ? lockdep_hardirqs_on+0x296/0x5b0 [ 460.713728] (UMEH) [ 460.718229] ? trace_hardirqs_on+0xbd/0x310 [ 460.720619] 132*32kB [ 460.725207] ? kasan_check_read+0x11/0x20 [ 460.729758] (UM) [ 460.731993] ? __run_timers+0x7da/0xc70 [ 460.736296] 1*64kB [ 460.738701] ? trace_hardirqs_off_caller+0x310/0x310 [ 460.742831] (H) [ 460.744897] ? br_multicast_del_pg+0x790/0x790 [ 460.748851] 0*128kB [ 460.751090] ? br_multicast_del_pg+0x790/0x790 [ 460.756170] 0*256kB [ 460.758153] __run_timers+0x7e5/0xc70 [ 460.762708] 1*512kB (H) [ 460.765051] ? timer_fixup_init+0x70/0x70 [ 460.769603] 0*1024kB [ 460.771926] ? kasan_check_read+0x11/0x20 [ 460.775704] 0*2048kB [ 460.778382] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 460.782505] 0*4096kB [ 460.784914] ? rcu_softirq_qs+0x20/0x20 [ 460.789040] = 14028kB [ 460.791454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.796709] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 460.799110] ? check_preemption_disabled+0x48/0x280 [ 460.803069] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 460.805480] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 460.810994] 4244 total pagecache pages [ 460.819829] ? retint_kernel+0x2d/0x2d [ 460.824848] 0 pages in swap cache [ 460.833428] ? trace_hardirqs_on_caller+0xc0/0x310 [ 460.838167] Swap cache stats: add 0, delete 0, find 0/0 [ 460.842069] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 460.845956] Free swap = 0kB [ 460.849403] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 460.854314] Total swap = 0kB [ 460.859672] ? zap_class+0x640/0x640 [ 460.864414] 1965979 pages RAM [ 460.867436] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.872869] 0 pages HighMem/MovableOnly [ 460.872878] 342293 pages reserved [ 460.875891] ? check_preemption_disabled+0x48/0x280 [ 460.879621] 0 pages cma reserved [ 460.882750] ? __lock_is_held+0xb5/0x140 [ 460.888472] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 460.892270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.895706] syz-fuzzer cpuset= [ 460.900719] ? check_preemption_disabled+0x48/0x280 [ 460.904066] / [ 460.908128] run_timer_softirq+0x52/0xb0 [ 460.918329] mems_allowed=0 [ 460.923858] ? rcu_read_lock_sched_held+0x14f/0x180 [ 460.945729] __do_softirq+0x308/0xb7e [ 460.949538] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 460.954033] ? lock_downgrade+0x900/0x900 [ 460.958200] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 460.963317] ? pvclock_read_flags+0x160/0x160 [ 460.967830] ? lapic_next_event+0x5a/0x90 [ 460.971984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.977534] ? kvm_clock_read+0x18/0x30 [ 460.981513] ? kvm_sched_clock_read+0x9/0x20 [ 460.985924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 460.991478] ? check_preemption_disabled+0x48/0x280 [ 460.996511] irq_exit+0x17f/0x1c0 [ 461.000007] smp_apic_timer_interrupt+0x1cb/0x760 [ 461.004850] ? smp_reschedule_interrupt+0x109/0x650 [ 461.009871] ? smp_call_function_single_interrupt+0x650/0x650 [ 461.015755] ? interrupt_entry+0xb5/0xc0 [ 461.019821] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.024834] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.029855] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.034697] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.039715] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.044729] ? task_prio+0x50/0x50 [ 461.048271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.053807] ? check_preemption_disabled+0x48/0x280 [ 461.058829] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.063683] apic_timer_interrupt+0xf/0x20 [ 461.067912] [ 461.070150] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 461.075082] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 461.093982] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 461.101694] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 461.108984] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 461.116271] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 461.123541] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 461.130806] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 461.138135] skb_clone+0x1bb/0x500 [ 461.141682] ? finish_task_switch+0x2f4/0x910 [ 461.146182] ? skb_split+0x11e0/0x11e0 [ 461.150081] ? preempt_notifier_register+0x200/0x200 [ 461.155193] ? __switch_to_asm+0x34/0x70 [ 461.159255] ? __switch_to_asm+0x34/0x70 [ 461.163319] ? __switch_to_asm+0x40/0x70 [ 461.167381] ? __switch_to_asm+0x34/0x70 [ 461.171445] ? __switch_to_asm+0x40/0x70 [ 461.175519] ? __switch_to_asm+0x34/0x70 [ 461.179578] ? __switch_to_asm+0x40/0x70 [ 461.183636] ? __switch_to_asm+0x34/0x70 [ 461.187698] ? __switch_to_asm+0x34/0x70 [ 461.191759] ? __switch_to_asm+0x40/0x70 [ 461.195818] ? __switch_to_asm+0x34/0x70 [ 461.199895] bpf_clone_redirect+0xb9/0x490 [ 461.204137] ? __schedule+0x8d7/0x21d0 [ 461.208050] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 461.213088] ? __sched_text_start+0x8/0x8 [ 461.217244] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 461.221831] ? find_held_lock+0x36/0x1c0 [ 461.225914] ? lock_acquire+0x1ed/0x520 [ 461.229910] ? bpf_test_run+0x3cb/0x780 [ 461.233887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.239442] ? check_preemption_disabled+0x48/0x280 [ 461.244477] ? kasan_check_read+0x11/0x20 [ 461.248628] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 461.253908] ? rcu_softirq_qs+0x20/0x20 [ 461.257888] ? preempt_schedule+0x4d/0x60 [ 461.262038] ? ___preempt_schedule+0x16/0x18 [ 461.266464] ? bpf_test_run+0x25d/0x780 [ 461.270456] ? netlink_diag_dump+0x2a0/0x2a0 [ 461.274884] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 461.279643] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 461.284409] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 461.289286] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 461.294824] ? fput+0x130/0x1a0 [ 461.298107] ? __bpf_prog_get+0x9b/0x290 [ 461.302172] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 461.307026] ? bpf_prog_test_run+0x130/0x1a0 [ 461.311443] ? __x64_sys_bpf+0x3d8/0x520 [ 461.315514] ? bpf_prog_get+0x20/0x20 [ 461.319366] ? do_syscall_64+0x1b9/0x820 [ 461.323427] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 461.328800] ? syscall_return_slowpath+0x5e0/0x5e0 [ 461.333727] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.338571] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.343587] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 461.348607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.354156] ? prepare_exit_to_usermode+0x291/0x3b0 [ 461.359220] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.364092] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 461.369502] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 461.369684] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 461.376194] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 461.376205] Call Trace: [ 461.386677] syz-executor3 cpuset= [ 461.396022] [ 461.398594] syz3 [ 461.402047] dump_stack+0x244/0x39d [ 461.404214] mems_allowed=0 [ 461.406190] ? dump_stack_print_info.cold.1+0x20/0x20 [ 461.417918] warn_alloc.cold.117+0xb7/0x1bd [ 461.422252] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 461.427107] ? lock_downgrade+0x900/0x900 [ 461.431271] ? trace_hardirqs_off+0xb8/0x310 [ 461.435686] ? trace_hardirqs_off+0xb8/0x310 [ 461.440108] __alloc_pages_slowpath+0x2660/0x2d70 [ 461.444992] ? warn_alloc+0x120/0x120 [ 461.448800] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 461.453817] ? warn_alloc+0x120/0x120 [ 461.457621] ? print_usage_bug+0xc0/0xc0 [ 461.461684] ? warn_alloc+0x120/0x120 [ 461.465489] ? print_usage_bug+0xc0/0xc0 [ 461.469565] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 461.474769] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.480309] ? should_fail+0x22d/0xd01 [ 461.484203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.489309] ? __lock_acquire+0x62f/0x4c20 [ 461.493567] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 461.498673] ? should_fail+0x22d/0xd01 [ 461.502574] ? mark_held_locks+0x130/0x130 [ 461.506811] ? mark_held_locks+0x130/0x130 [ 461.511061] ? print_usage_bug+0xc0/0xc0 [ 461.515127] ? find_held_lock+0x36/0x1c0 [ 461.519189] ? zap_class+0x640/0x640 [ 461.522910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.528459] ? check_preemption_disabled+0x48/0x280 [ 461.533503] ? __lock_is_held+0xb5/0x140 [ 461.537574] __alloc_pages_nodemask+0xa80/0xde0 [ 461.542257] ? zap_class+0x640/0x640 [ 461.545988] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 461.551022] ? find_held_lock+0x36/0x1c0 [ 461.555101] ? ____cache_alloc_node+0x1c7/0x1e0 [ 461.559772] ? lock_downgrade+0x900/0x900 [ 461.563927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.569488] cache_grow_begin+0xa5/0x8c0 [ 461.573552] ? do_raw_spin_unlock+0xa7/0x330 [ 461.577974] fallback_alloc+0x204/0x2e0 [ 461.581962] ____cache_alloc_node+0x1c7/0x1e0 [ 461.586465] kmem_cache_alloc_node+0xe3/0x730 [ 461.590966] ? mark_held_locks+0xc7/0x130 [ 461.595129] __alloc_skb+0x119/0x770 [ 461.598846] ? netdev_alloc_frag+0x1f0/0x1f0 [ 461.603270] ? do_raw_spin_trylock+0x270/0x270 [ 461.607880] ? kmem_cache_alloc_trace+0x353/0x750 [ 461.612730] ? queue_work_on+0x12c/0x1e0 [ 461.616801] ? switchdev_port_obj_del+0xdc/0x440 [ 461.621563] ? switchdev_trans_item_enqueue+0x260/0x260 [ 461.626933] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 461.631969] __br_mdb_notify+0x4ff/0x15d0 [ 461.636125] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 461.641259] ? __br_mdb_add+0x7f0/0x7f0 [ 461.645236] ? mark_held_locks+0x130/0x130 [ 461.649483] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 461.654589] ? debug_object_assert_init+0x368/0x4b0 [ 461.659626] ? debug_object_init_on_stack+0x20/0x20 [ 461.664657] ? zap_class+0x640/0x640 [ 461.668376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.673921] br_mdb_notify+0x310/0x410 [ 461.677816] ? br_mdb_dump+0x27b0/0x27b0 [ 461.681898] br_multicast_del_pg+0x3df/0x790 [ 461.686322] ? br_mdb_ip_get+0x940/0x940 [ 461.690389] ? rwlock_bug.part.2+0x90/0x90 [ 461.694628] ? __lock_is_held+0xb5/0x140 [ 461.698705] br_multicast_port_group_expired+0x189/0x1e0 [ 461.704178] call_timer_fn+0x272/0x920 [ 461.708086] ? br_multicast_del_pg+0x790/0x790 [ 461.712674] ? process_timeout+0x40/0x40 [ 461.716759] ? mark_held_locks+0xc7/0x130 [ 461.720917] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.725929] ? _raw_spin_unlock_irq+0x27/0x80 [ 461.730428] ? br_multicast_del_pg+0x790/0x790 [ 461.735009] ? lockdep_hardirqs_on+0x296/0x5b0 [ 461.739593] ? trace_hardirqs_on+0xbd/0x310 [ 461.743943] ? kasan_check_read+0x11/0x20 [ 461.748124] ? __run_timers+0x7da/0xc70 [ 461.752159] ? trace_hardirqs_off_caller+0x310/0x310 [ 461.757288] ? br_multicast_del_pg+0x790/0x790 [ 461.761878] ? br_multicast_del_pg+0x790/0x790 [ 461.766461] __run_timers+0x7e5/0xc70 [ 461.770282] ? timer_fixup_init+0x70/0x70 [ 461.774433] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 461.779918] ? zap_class+0x640/0x640 [ 461.783643] ? print_usage_bug+0xc0/0xc0 [ 461.787713] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 461.792912] ? find_held_lock+0x36/0x1c0 [ 461.797005] ? zap_class+0x640/0x640 [ 461.800723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.806275] ? check_preemption_disabled+0x48/0x280 [ 461.811299] ? __lock_is_held+0xb5/0x140 [ 461.815358] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.820896] ? check_preemption_disabled+0x48/0x280 [ 461.825921] run_timer_softirq+0x52/0xb0 [ 461.829996] ? rcu_read_lock_sched_held+0x14f/0x180 [ 461.835014] __do_softirq+0x308/0xb7e [ 461.838817] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 461.843310] ? lock_downgrade+0x900/0x900 [ 461.847463] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 461.852578] ? pvclock_read_flags+0x160/0x160 [ 461.857103] ? lapic_next_event+0x5a/0x90 [ 461.861253] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 461.866800] ? kvm_clock_read+0x18/0x30 [ 461.870780] ? kvm_sched_clock_read+0x9/0x20 [ 461.875204] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 461.880745] ? check_preemption_disabled+0x48/0x280 [ 461.885789] irq_exit+0x17f/0x1c0 [ 461.889249] smp_apic_timer_interrupt+0x1cb/0x760 [ 461.894096] ? smp_reschedule_interrupt+0x109/0x650 [ 461.899130] ? smp_call_function_single_interrupt+0x650/0x650 [ 461.905018] ? interrupt_entry+0xb5/0xc0 [ 461.909082] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.914098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 461.919154] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.924004] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.929018] ? trace_hardirqs_on_caller+0x310/0x310 [ 461.934053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 461.938909] apic_timer_interrupt+0xf/0x20 [ 461.943137] [ 461.945378] RIP: 0010:dump_stack+0x358/0x39d [ 461.949789] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 461.968698] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 461.976416] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 461.983685] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 461.990978] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 461.998243] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 462.005512] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 462.012811] ? dump_stack+0x34f/0x39d [ 462.016634] ? dump_stack_print_info.cold.1+0x20/0x20 [ 462.021841] dump_header+0x27b/0xf72 [ 462.025569] ? mark_held_locks+0x130/0x130 [ 462.029811] ? pagefault_out_of_memory+0x197/0x197 [ 462.034748] ? __lock_acquire+0x62f/0x4c20 [ 462.038997] ? zap_class+0x640/0x640 [ 462.042728] ? percpu_ref_get_many+0x240/0x240 [ 462.047313] ? print_usage_bug+0xc0/0xc0 [ 462.051377] ? print_usage_bug+0xc0/0xc0 [ 462.055444] ? zap_class+0x640/0x640 [ 462.059162] ? print_usage_bug+0xc0/0xc0 [ 462.063232] ? print_usage_bug+0xc0/0xc0 [ 462.067305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.072848] ? find_held_lock+0x36/0x1c0 [ 462.076920] ? mark_held_locks+0xc7/0x130 [ 462.081079] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.086194] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 462.091299] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 462.095914] ? trace_hardirqs_on+0xbd/0x310 [ 462.100245] ? kasan_check_read+0x11/0x20 [ 462.104400] ? ___ratelimit+0x3b4/0x672 [ 462.108379] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.113485] ? trace_hardirqs_on+0x310/0x310 [ 462.117900] ? lock_downgrade+0x900/0x900 [ 462.122057] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 462.127222] ? ___ratelimit+0x3b9/0x672 [ 462.131234] ? idr_get_free+0xec0/0xec0 [ 462.135237] ? find_held_lock+0x36/0x1c0 [ 462.139316] oom_kill_process.cold.27+0x10/0x903 [ 462.144070] ? zap_class+0x640/0x640 [ 462.147785] ? check_preemption_disabled+0x48/0x280 [ 462.152809] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.157738] ? kasan_check_read+0x11/0x20 [ 462.161894] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.167207] ? oom_evaluate_task+0x540/0x540 [ 462.171647] ? find_held_lock+0x36/0x1c0 [ 462.175731] ? out_of_memory+0x974/0x1430 [ 462.179888] ? lock_downgrade+0x900/0x900 [ 462.184049] ? check_preemption_disabled+0x48/0x280 [ 462.189070] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.194035] ? kasan_check_read+0x11/0x20 [ 462.198196] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.203479] ? rcu_softirq_qs+0x20/0x20 [ 462.207472] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.213021] ? oom_evaluate_task+0x302/0x540 [ 462.217436] out_of_memory+0xa84/0x1430 [ 462.221448] ? oom_killer_disable+0x3a0/0x3a0 [ 462.225954] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 462.230887] ? __mutex_add_waiter+0x2a0/0x2a0 [ 462.235409] __alloc_pages_slowpath+0x22d4/0x2d70 [ 462.240288] ? warn_alloc+0x120/0x120 [ 462.244098] ? rcu_softirq_qs+0x20/0x20 [ 462.248109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.253649] ? should_fail+0x22d/0xd01 [ 462.257542] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 462.262648] ? zap_class+0x640/0x640 [ 462.266405] ? __lock_is_held+0xb5/0x140 [ 462.270506] ? mark_held_locks+0x130/0x130 [ 462.274755] ? lock_release+0xa00/0xa00 [ 462.278732] ? perf_trace_sched_process_exec+0x860/0x860 [ 462.284205] ? __might_sleep+0x95/0x190 [ 462.288208] __alloc_pages_nodemask+0xa80/0xde0 [ 462.292893] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 462.297915] ? __page_cache_alloc+0x191/0x5c0 [ 462.302415] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.307345] ? kasan_check_read+0x11/0x20 [ 462.311496] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.316778] ? zap_class+0x640/0x640 [ 462.320502] ? zap_class+0x640/0x640 [ 462.324220] ? zap_class+0x640/0x640 [ 462.327979] ? __do_page_cache_readahead+0x7ce/0x980 [ 462.333087] ? find_held_lock+0x36/0x1c0 [ 462.337154] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 462.342704] alloc_pages_current+0x173/0x350 [ 462.347124] __page_cache_alloc+0x38c/0x5c0 [ 462.351449] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.356382] ? kasan_check_read+0x11/0x20 [ 462.360553] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.365833] ? generic_perform_write+0x6a0/0x6a0 [ 462.370596] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.376134] ? check_preemption_disabled+0x48/0x280 [ 462.381167] filemap_fault+0x1594/0x25f0 [ 462.385250] ? __lock_page_or_retry+0xa00/0xa00 [ 462.389923] ? mark_held_locks+0x130/0x130 [ 462.394182] ? rcu_softirq_qs+0x20/0x20 [ 462.398201] ? filemap_map_pages+0xe04/0x1990 [ 462.402738] ? __free_object+0x173/0x340 [ 462.406803] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 462.411734] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.416843] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 462.421531] ? debug_object_free+0x32d/0x690 [ 462.425939] ? kasan_check_read+0x11/0x20 [ 462.430097] ? debug_object_destroy+0x2b0/0x2b0 [ 462.434774] ? lock_pi_update_atomic+0x150/0x150 [ 462.439530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 462.445068] ? __hrtimer_init+0xdb/0x240 [ 462.449147] ? lock_acquire+0x1ed/0x520 [ 462.453131] ? ext4_filemap_fault+0x7a/0xad [ 462.457463] ? lock_release+0xa00/0xa00 [ 462.461441] ? perf_trace_sched_process_exec+0x860/0x860 [ 462.466897] ? print_usage_bug+0xc0/0xc0 [ 462.470965] ? print_usage_bug+0xc0/0xc0 [ 462.475043] ? down_read+0x8d/0x120 [ 462.478667] ? ext4_filemap_fault+0x7a/0xad [ 462.482993] ? __down_interruptible+0x700/0x700 [ 462.487676] ext4_filemap_fault+0x82/0xad [ 462.491831] __do_fault+0x100/0x6b0 [ 462.495464] ? pmd_devmap_trans_unstable+0x220/0x220 [ 462.500571] ? mark_held_locks+0x130/0x130 [ 462.504807] ? mark_held_locks+0x130/0x130 [ 462.509043] ? debug_smp_processor_id+0x1c/0x20 [ 462.513710] ? perf_trace_lock+0x14d/0x7a0 [ 462.517964] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.523532] __handle_mm_fault+0x307c/0x5920 [ 462.527961] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 462.532804] ? lock_is_held_type+0x210/0x210 [ 462.537244] ? zap_class+0x640/0x640 [ 462.540963] ? zap_class+0x640/0x640 [ 462.544681] ? __x64_sys_futex+0x53e/0x6a0 [ 462.548920] ? find_held_lock+0x36/0x1c0 [ 462.553005] ? handle_mm_fault+0x42a/0xc70 [ 462.557236] ? lock_downgrade+0x900/0x900 [ 462.561386] ? check_preemption_disabled+0x48/0x280 [ 462.566416] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 462.571352] ? kasan_check_read+0x11/0x20 [ 462.575507] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 462.580787] ? rcu_softirq_qs+0x20/0x20 [ 462.584761] ? trace_hardirqs_off_caller+0x310/0x310 [ 462.589868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.595409] ? check_preemption_disabled+0x48/0x280 [ 462.600438] handle_mm_fault+0x54f/0xc70 [ 462.604517] ? __handle_mm_fault+0x5920/0x5920 [ 462.609110] ? find_vma+0x34/0x190 [ 462.612659] __do_page_fault+0x5e8/0xe60 [ 462.616876] ? trace_hardirqs_off+0xb8/0x310 [ 462.621289] ? trace_hardirqs_off+0xb8/0x310 [ 462.625716] do_page_fault+0xf2/0x7e0 [ 462.629534] ? vmalloc_sync_all+0x30/0x30 [ 462.633688] ? error_entry+0x70/0xd0 [ 462.637405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 462.642420] ? trace_hardirqs_on_caller+0xc0/0x310 [ 462.647354] ? syscall_return_slowpath+0x5e0/0x5e0 [ 462.652283] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.657135] ? trace_hardirqs_on_caller+0x310/0x310 [ 462.662164] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 462.667635] ? prepare_exit_to_usermode+0x291/0x3b0 [ 462.672657] ? page_fault+0x8/0x30 [ 462.676204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 462.681059] ? page_fault+0x8/0x30 [ 462.684601] page_fault+0x1e/0x30 [ 462.688054] RIP: 0033:0x45ddf3 [ 462.691273] Code: Bad RIP value. [ 462.694652] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 462.700014] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 462.707303] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 462.714569] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 462.721836] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 462.729105] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 462.736400] warn_alloc_show_mem: 1 callbacks suppressed [ 462.736413] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 462.736415] Mem-Info: [ 462.736447] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 462.736447] active_file:13 inactive_file:17 isolated_file:0 [ 462.736447] unevictable:0 dirty:0 writeback:0 unstable:0 [ 462.736447] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 462.736447] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 462.736447] free:13759 free_pcp:161 free_cma:0 [ 462.741799] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 462.748820] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 462.751232] Call Trace: [ 462.784201] Node 0 [ 462.793546] [ 462.821235] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 462.823799] dump_stack+0x244/0x39d [ 462.826013] lowmem_reserve[]: 0 [ 462.828209] ? dump_stack_print_info.cold.1+0x20/0x20 [ 462.853705] 2819 [ 462.857346] warn_alloc.cold.117+0xb7/0x1bd [ 462.860597] 6323 [ 462.865786] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 462.867832] 6323 [ 462.872150] ? lock_downgrade+0x900/0x900 [ 462.874215] Node 0 [ 462.879063] ? trace_hardirqs_off+0xb8/0x310 [ 462.881124] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 462.885249] ? trace_hardirqs_off+0xb8/0x310 [ 462.887462] lowmem_reserve[]: [ 462.891884] __alloc_pages_slowpath+0x2660/0x2d70 [ 462.919177] 0 0 [ 462.923625] ? warn_alloc+0x120/0x120 [ 462.926680] 3503 [ 462.931522] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 462.933479] 3503 [ 462.937285] ? warn_alloc+0x120/0x120 [ 462.944356] ? print_usage_bug+0xc0/0xc0 [ 462.946417] Node 0 [ 462.950230] ? warn_alloc+0x120/0x120 [ 462.954305] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 462.956512] ? print_usage_bug+0xc0/0xc0 [ 462.960288] lowmem_reserve[]: 0 [ 462.988672] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 462.988698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 462.992738] 0 [ 462.996020] ? should_fail+0x22d/0xd01 [ 463.001204] 0 [ 463.006730] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 463.008513] 0 [ 463.012405] ? __lock_acquire+0x62f/0x4c20 [ 463.019311] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 463.021089] Node 0 [ 463.025318] ? should_fail+0x22d/0xd01 [ 463.030399] DMA: [ 463.032642] ? mark_held_locks+0x130/0x130 [ 463.036509] 1*4kB [ 463.038566] ? mark_held_locks+0x130/0x130 [ 463.042777] (U) [ 463.044926] ? print_usage_bug+0xc0/0xc0 [ 463.049133] 0*8kB 0*16kB [ 463.051114] ? find_held_lock+0x36/0x1c0 [ 463.055152] 1*32kB [ 463.057903] ? zap_class+0x640/0x640 [ 463.061943] (U) [ 463.064178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.067881] 2*64kB [ 463.069855] ? check_preemption_disabled+0x48/0x280 [ 463.075372] (U) [ 463.077616] ? __lock_is_held+0xb5/0x140 [ 463.082605] 1*128kB [ 463.084578] __alloc_pages_nodemask+0xa80/0xde0 [ 463.088613] (U) [ 463.090931] ? zap_class+0x640/0x640 [ 463.095608] 1*256kB [ 463.097585] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 463.101273] (U) [ 463.103604] ? find_held_lock+0x36/0x1c0 [ 463.108585] 0*512kB 1*1024kB [ 463.110594] ? ____cache_alloc_node+0x1c7/0x1e0 [ 463.114623] (U) [ 463.117735] ? lock_downgrade+0x900/0x900 [ 463.122382] 1*2048kB [ 463.124360] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.128482] (M) [ 463.130904] cache_grow_begin+0xa5/0x8c0 [ 463.136421] 3*4096kB [ 463.138399] ? do_raw_spin_unlock+0xa7/0x330 [ 463.142437] (M) [ 463.144855] fallback_alloc+0x204/0x2e0 [ 463.149237] = 15908kB [ 463.151209] ____cache_alloc_node+0x1c7/0x1e0 [ 463.155158] Node 0 [ 463.157565] kmem_cache_alloc_node+0xe3/0x730 [ 463.162035] DMA32: [ 463.164266] ? mark_held_locks+0xc7/0x130 [ 463.168744] 5*4kB [ 463.170997] __alloc_skb+0x119/0x770 [ 463.175120] (UM) [ 463.177298] ? netdev_alloc_frag+0x1f0/0x1f0 [ 463.181002] 1*8kB [ 463.183066] ? do_raw_spin_trylock+0x270/0x270 [ 463.187460] (M) [ 463.189618] ? kmem_cache_alloc_trace+0x353/0x750 [ 463.194180] 3*16kB [ 463.196162] ? queue_work_on+0x12c/0x1e0 [ 463.200980] (M) [ 463.203233] ? switchdev_port_obj_del+0xdc/0x440 [ 463.207268] 3*32kB [ 463.209242] ? switchdev_trans_item_enqueue+0x260/0x260 [ 463.213982] (UM) [ 463.216227] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 463.221582] 2*64kB [ 463.223647] __br_mdb_notify+0x4ff/0x15d0 [ 463.228633] (M) [ 463.230868] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 463.234995] 2*128kB [ 463.236977] ? __br_mdb_add+0x7f0/0x7f0 [ 463.242052] (M) [ 463.244372] ? mark_held_locks+0x130/0x130 [ 463.248331] 4*256kB [ 463.250308] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 463.254516] (M) [ 463.256842] ? debug_object_assert_init+0x368/0x4b0 [ 463.261920] 4*512kB [ 463.263890] ? debug_object_init_on_stack+0x20/0x20 [ 463.268882] (UM) [ 463.271207] ? zap_class+0x640/0x640 [ 463.276220] 3*1024kB [ 463.278279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.281996] (UM) 3*2048kB [ 463.284420] br_mdb_notify+0x310/0x410 [ 463.289965] (M) [ 463.292814] ? br_mdb_dump+0x27b0/0x27b0 [ 463.296681] 3*4096kB [ 463.298665] br_multicast_del_pg+0x3df/0x790 [ 463.302690] (M) [ 463.305104] ? br_mdb_ip_get+0x940/0x940 [ 463.309486] = 25132kB [ 463.311466] ? rwlock_bug.part.2+0x90/0x90 [ 463.315503] Node 0 [ 463.317910] ? __lock_is_held+0xb5/0x140 [ 463.322122] Normal: [ 463.324366] br_multicast_port_group_expired+0x189/0x1e0 [ 463.328412] 951*4kB [ 463.330739] call_timer_fn+0x272/0x920 [ 463.336162] (UMEH) [ 463.338538] ? br_multicast_del_pg+0x790/0x790 [ 463.342404] 234*8kB (UME) [ 463.344650] ? process_timeout+0x40/0x40 [ 463.349215] 222*16kB [ 463.352067] ? __run_timers+0x7da/0xc70 [ 463.356100] (UMEH) [ 463.358520] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.362469] 132*32kB [ 463.364699] ? _raw_spin_unlock_irq+0x27/0x80 [ 463.369172] (UM) [ 463.371582] ? br_multicast_del_pg+0x790/0x790 [ 463.376056] 1*64kB [ 463.378121] ? lockdep_hardirqs_on+0x296/0x5b0 [ 463.382679] (H) [ 463.384911] ? trace_hardirqs_on+0xbd/0x310 [ 463.389474] 0*128kB [ 463.391466] ? kasan_check_read+0x11/0x20 [ 463.395758] 0*256kB [ 463.398081] ? __run_timers+0x7da/0xc70 [ 463.402209] 1*512kB [ 463.404540] ? trace_hardirqs_off_caller+0x310/0x310 [ 463.408494] (H) [ 463.410817] ? br_multicast_del_pg+0x790/0x790 [ 463.415896] 0*1024kB [ 463.417872] ? br_multicast_del_pg+0x790/0x790 [ 463.422452] 0*2048kB 0*4096kB [ 463.424897] __run_timers+0x7e5/0xc70 [ 463.429468] = 14028kB [ 463.432666] ? timer_fixup_init+0x70/0x70 [ 463.436442] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 463.438861] ? kasan_check_read+0x11/0x20 [ 463.443006] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 463.451842] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.455973] 4244 total pagecache pages [ 463.464545] ? rcu_softirq_qs+0x20/0x20 [ 463.469808] 0 pages in swap cache [ 463.473686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.477643] Swap cache stats: add 0, delete 0, find 0/0 [ 463.481092] ? check_preemption_disabled+0x48/0x280 [ 463.486610] Free swap = 0kB [ 463.491973] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 463.496998] Total swap = 0kB [ 463.500011] ? retint_kernel+0x2d/0x2d [ 463.504746] 1965979 pages RAM [ 463.507759] ? trace_hardirqs_on_caller+0xc0/0x310 [ 463.511625] 0 pages HighMem/MovableOnly [ 463.514728] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 463.519627] 342293 pages reserved [ 463.519636] 0 pages cma reserved [ 463.523610] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 463.528553] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 463.531797] ? zap_class+0x640/0x640 [ 463.535148] syz-fuzzer cpuset= [ 463.540594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.550794] / [ 463.554517] ? check_preemption_disabled+0x48/0x280 [ 463.557695] mems_allowed=0 [ 463.563230] ? __lock_is_held+0xb5/0x140 [ 463.577004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.582542] ? check_preemption_disabled+0x48/0x280 [ 463.587574] run_timer_softirq+0x52/0xb0 [ 463.591641] ? rcu_read_lock_sched_held+0x14f/0x180 [ 463.596663] __do_softirq+0x308/0xb7e [ 463.600477] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 463.604978] ? lock_downgrade+0x900/0x900 [ 463.609144] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 463.614257] ? pvclock_read_flags+0x160/0x160 [ 463.618772] ? lapic_next_event+0x5a/0x90 [ 463.622941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.628493] ? kvm_clock_read+0x18/0x30 [ 463.632491] ? kvm_sched_clock_read+0x9/0x20 [ 463.636905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.642453] ? check_preemption_disabled+0x48/0x280 [ 463.647488] irq_exit+0x17f/0x1c0 [ 463.650963] smp_apic_timer_interrupt+0x1cb/0x760 [ 463.655814] ? smp_reschedule_interrupt+0x109/0x650 [ 463.660843] ? smp_call_function_single_interrupt+0x650/0x650 [ 463.666730] ? interrupt_entry+0xb5/0xc0 [ 463.670796] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.675814] ? trace_hardirqs_off_caller+0xbb/0x310 [ 463.680832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.685678] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.690695] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.695709] ? task_prio+0x50/0x50 [ 463.699250] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.704792] ? check_preemption_disabled+0x48/0x280 [ 463.709820] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.714676] apic_timer_interrupt+0xf/0x20 [ 463.718909] [ 463.721151] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 463.726332] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 463.745242] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 463.752965] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 463.760241] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 463.767510] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 463.774778] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 463.782052] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 463.789389] skb_clone+0x1bb/0x500 [ 463.792937] ? finish_task_switch+0x2f4/0x910 [ 463.797445] ? skb_split+0x11e0/0x11e0 [ 463.801342] ? preempt_notifier_register+0x200/0x200 [ 463.806463] ? __switch_to_asm+0x34/0x70 [ 463.810553] ? __switch_to_asm+0x34/0x70 [ 463.814612] ? __switch_to_asm+0x40/0x70 [ 463.818694] ? __switch_to_asm+0x34/0x70 [ 463.822754] ? __switch_to_asm+0x40/0x70 [ 463.826813] ? __switch_to_asm+0x34/0x70 [ 463.830875] ? __switch_to_asm+0x40/0x70 [ 463.834934] ? __switch_to_asm+0x34/0x70 [ 463.839006] ? __switch_to_asm+0x34/0x70 [ 463.843069] ? __switch_to_asm+0x40/0x70 [ 463.847152] ? __switch_to_asm+0x34/0x70 [ 463.851248] bpf_clone_redirect+0xb9/0x490 [ 463.855489] ? __schedule+0x8d7/0x21d0 [ 463.859389] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 463.864411] ? __sched_text_start+0x8/0x8 [ 463.868578] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 463.873166] ? find_held_lock+0x36/0x1c0 [ 463.877241] ? lock_acquire+0x1ed/0x520 [ 463.881226] ? bpf_test_run+0x3cb/0x780 [ 463.885201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 463.890741] ? check_preemption_disabled+0x48/0x280 [ 463.895767] ? kasan_check_read+0x11/0x20 [ 463.899918] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 463.905197] ? rcu_softirq_qs+0x20/0x20 [ 463.909181] ? preempt_schedule+0x4d/0x60 [ 463.913331] ? ___preempt_schedule+0x16/0x18 [ 463.917767] ? bpf_test_run+0x25d/0x780 [ 463.921755] ? netlink_diag_dump+0x2a0/0x2a0 [ 463.926168] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 463.930935] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 463.935704] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 463.940548] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 463.946087] ? fput+0x130/0x1a0 [ 463.949378] ? __bpf_prog_get+0x9b/0x290 [ 463.953446] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 463.958300] ? bpf_prog_test_run+0x130/0x1a0 [ 463.962725] ? __x64_sys_bpf+0x3d8/0x520 [ 463.966791] ? bpf_prog_get+0x20/0x20 [ 463.970617] ? do_syscall_64+0x1b9/0x820 [ 463.974682] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 463.980052] ? syscall_return_slowpath+0x5e0/0x5e0 [ 463.984982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 463.989834] ? trace_hardirqs_on_caller+0x310/0x310 [ 463.994859] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 463.999876] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.005417] ? prepare_exit_to_usermode+0x291/0x3b0 [ 464.010445] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.015309] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 464.020706] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 464.020950] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 464.027407] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 464.037879] syz-executor3 cpuset= [ 464.047223] Call Trace: [ 464.047233] syz3 [ 464.050674] [ 464.053257] mems_allowed=0 [ 464.055247] dump_stack+0x244/0x39d [ 464.063915] ? dump_stack_print_info.cold.1+0x20/0x20 [ 464.069138] warn_alloc.cold.117+0xb7/0x1bd [ 464.073463] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 464.078310] ? lock_downgrade+0x900/0x900 [ 464.082468] ? trace_hardirqs_off+0xb8/0x310 [ 464.086889] ? trace_hardirqs_off+0xb8/0x310 [ 464.091309] __alloc_pages_slowpath+0x2660/0x2d70 [ 464.096195] ? warn_alloc+0x120/0x120 [ 464.100015] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 464.105031] ? warn_alloc+0x120/0x120 [ 464.108842] ? print_usage_bug+0xc0/0xc0 [ 464.112909] ? warn_alloc+0x120/0x120 [ 464.116711] ? print_usage_bug+0xc0/0xc0 [ 464.120783] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 464.125990] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.131531] ? should_fail+0x22d/0xd01 [ 464.135427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.140538] ? __lock_acquire+0x62f/0x4c20 [ 464.144781] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.149885] ? should_fail+0x22d/0xd01 [ 464.153788] ? mark_held_locks+0x130/0x130 [ 464.158025] ? mark_held_locks+0x130/0x130 [ 464.162257] ? print_usage_bug+0xc0/0xc0 [ 464.166328] ? find_held_lock+0x36/0x1c0 [ 464.170407] ? zap_class+0x640/0x640 [ 464.174146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.179692] ? check_preemption_disabled+0x48/0x280 [ 464.184719] ? __lock_is_held+0xb5/0x140 [ 464.188791] __alloc_pages_nodemask+0xa80/0xde0 [ 464.193468] ? zap_class+0x640/0x640 [ 464.197222] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 464.202275] ? find_held_lock+0x36/0x1c0 [ 464.206352] ? ____cache_alloc_node+0x1c7/0x1e0 [ 464.211025] ? lock_downgrade+0x900/0x900 [ 464.215196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.220782] cache_grow_begin+0xa5/0x8c0 [ 464.224843] ? do_raw_spin_unlock+0xa7/0x330 [ 464.229434] fallback_alloc+0x204/0x2e0 [ 464.233438] ____cache_alloc_node+0x1c7/0x1e0 [ 464.237941] kmem_cache_alloc_node+0xe3/0x730 [ 464.242461] ? mark_held_locks+0xc7/0x130 [ 464.246627] __alloc_skb+0x119/0x770 [ 464.250355] ? netdev_alloc_frag+0x1f0/0x1f0 [ 464.254768] ? do_raw_spin_trylock+0x270/0x270 [ 464.259356] ? kmem_cache_alloc_trace+0x353/0x750 [ 464.264214] ? queue_work_on+0x12c/0x1e0 [ 464.268296] ? switchdev_port_obj_del+0xdc/0x440 [ 464.273059] ? switchdev_trans_item_enqueue+0x260/0x260 [ 464.278431] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 464.283462] __br_mdb_notify+0x4ff/0x15d0 [ 464.287618] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 464.292735] ? __br_mdb_add+0x7f0/0x7f0 [ 464.296718] ? mark_held_locks+0x130/0x130 [ 464.300991] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.306099] ? debug_object_assert_init+0x368/0x4b0 [ 464.311152] ? debug_object_init_on_stack+0x20/0x20 [ 464.316209] ? zap_class+0x640/0x640 [ 464.319938] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.325551] br_mdb_notify+0x310/0x410 [ 464.329457] ? br_mdb_dump+0x27b0/0x27b0 [ 464.333542] br_multicast_del_pg+0x3df/0x790 [ 464.337966] ? br_mdb_ip_get+0x940/0x940 [ 464.342033] ? rwlock_bug.part.2+0x90/0x90 [ 464.346275] ? __lock_is_held+0xb5/0x140 [ 464.350346] br_multicast_port_group_expired+0x189/0x1e0 [ 464.355819] call_timer_fn+0x272/0x920 [ 464.359708] ? br_multicast_del_pg+0x790/0x790 [ 464.364294] ? process_timeout+0x40/0x40 [ 464.368369] ? mark_held_locks+0xc7/0x130 [ 464.372526] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.377023] ? _raw_spin_unlock_irq+0x27/0x80 [ 464.381521] ? br_multicast_del_pg+0x790/0x790 [ 464.386132] ? lockdep_hardirqs_on+0x296/0x5b0 [ 464.390738] ? trace_hardirqs_on+0xbd/0x310 [ 464.395067] ? kasan_check_read+0x11/0x20 [ 464.399236] ? __run_timers+0x7da/0xc70 [ 464.403226] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.408338] ? br_multicast_del_pg+0x790/0x790 [ 464.412928] ? br_multicast_del_pg+0x790/0x790 [ 464.417535] __run_timers+0x7e5/0xc70 [ 464.421353] ? timer_fixup_init+0x70/0x70 [ 464.425507] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 464.430523] ? zap_class+0x640/0x640 [ 464.434243] ? print_usage_bug+0xc0/0xc0 [ 464.438348] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 464.443545] ? find_held_lock+0x36/0x1c0 [ 464.447610] ? zap_class+0x640/0x640 [ 464.451331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.456869] ? check_preemption_disabled+0x48/0x280 [ 464.461896] ? __lock_is_held+0xb5/0x140 [ 464.465966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.471518] ? check_preemption_disabled+0x48/0x280 [ 464.476544] run_timer_softirq+0x52/0xb0 [ 464.480604] ? rcu_read_lock_sched_held+0x14f/0x180 [ 464.485625] __do_softirq+0x308/0xb7e [ 464.489452] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 464.493956] ? lock_downgrade+0x900/0x900 [ 464.498111] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 464.503245] ? pvclock_read_flags+0x160/0x160 [ 464.507753] ? lapic_next_event+0x5a/0x90 [ 464.511902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.517450] ? kvm_clock_read+0x18/0x30 [ 464.521425] ? kvm_sched_clock_read+0x9/0x20 [ 464.525837] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.531375] ? check_preemption_disabled+0x48/0x280 [ 464.536431] irq_exit+0x17f/0x1c0 [ 464.539903] smp_apic_timer_interrupt+0x1cb/0x760 [ 464.544767] ? smp_reschedule_interrupt+0x109/0x650 [ 464.549788] ? smp_call_function_single_interrupt+0x650/0x650 [ 464.555717] ? interrupt_entry+0xb5/0xc0 [ 464.559784] ? trace_hardirqs_off_caller+0xbb/0x310 [ 464.564829] ? trace_hardirqs_off_caller+0xbb/0x310 [ 464.569850] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.574696] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.579710] ? trace_hardirqs_on_caller+0x310/0x310 [ 464.584742] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 464.589597] apic_timer_interrupt+0xf/0x20 [ 464.593830] [ 464.596067] RIP: 0010:dump_stack+0x358/0x39d [ 464.600490] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 464.619623] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 464.627338] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 464.634604] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 464.641869] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 464.649138] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 464.656432] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 464.663726] ? dump_stack+0x34f/0x39d [ 464.667549] ? dump_stack_print_info.cold.1+0x20/0x20 [ 464.672757] dump_header+0x27b/0xf72 [ 464.676485] ? mark_held_locks+0x130/0x130 [ 464.680725] ? pagefault_out_of_memory+0x197/0x197 [ 464.685673] ? __lock_acquire+0x62f/0x4c20 [ 464.689907] ? zap_class+0x640/0x640 [ 464.693624] ? percpu_ref_get_many+0x240/0x240 [ 464.698209] ? print_usage_bug+0xc0/0xc0 [ 464.702275] ? print_usage_bug+0xc0/0xc0 [ 464.706342] ? zap_class+0x640/0x640 [ 464.710087] ? print_usage_bug+0xc0/0xc0 [ 464.714145] ? print_usage_bug+0xc0/0xc0 [ 464.718229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 464.723770] ? find_held_lock+0x36/0x1c0 [ 464.727846] ? mark_held_locks+0xc7/0x130 [ 464.731997] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 464.737113] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 464.742215] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 464.746805] ? trace_hardirqs_on+0xbd/0x310 [ 464.751129] ? kasan_check_read+0x11/0x20 [ 464.755282] ? ___ratelimit+0x3b4/0x672 [ 464.759268] ? trace_hardirqs_off_caller+0x310/0x310 [ 464.764370] ? trace_hardirqs_on+0x310/0x310 [ 464.768778] ? lock_downgrade+0x900/0x900 [ 464.772935] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 464.778045] ? ___ratelimit+0x3b9/0x672 [ 464.782021] ? idr_get_free+0xec0/0xec0 [ 464.786007] ? find_held_lock+0x36/0x1c0 [ 464.790091] oom_kill_process.cold.27+0x10/0x903 [ 464.794901] ? zap_class+0x640/0x640 [ 464.798629] ? check_preemption_disabled+0x48/0x280 [ 464.803655] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 464.808587] ? kasan_check_read+0x11/0x20 [ 464.812738] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.818032] ? oom_evaluate_task+0x540/0x540 [ 464.822444] ? find_held_lock+0x36/0x1c0 [ 464.826517] ? out_of_memory+0x974/0x1430 [ 464.830668] ? lock_downgrade+0x900/0x900 [ 464.834813] ? check_preemption_disabled+0x48/0x280 [ 464.839833] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 464.844761] ? kasan_check_read+0x11/0x20 [ 464.848914] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.854196] ? rcu_softirq_qs+0x20/0x20 [ 464.858186] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.863727] ? oom_evaluate_task+0x302/0x540 [ 464.868145] out_of_memory+0xa84/0x1430 [ 464.872144] ? oom_killer_disable+0x3a0/0x3a0 [ 464.876641] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 464.881574] ? __mutex_add_waiter+0x2a0/0x2a0 [ 464.886085] __alloc_pages_slowpath+0x22d4/0x2d70 [ 464.890983] ? warn_alloc+0x120/0x120 [ 464.894785] ? rcu_softirq_qs+0x20/0x20 [ 464.898792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 464.904331] ? should_fail+0x22d/0xd01 [ 464.908235] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 464.913357] ? zap_class+0x640/0x640 [ 464.917102] ? __lock_is_held+0xb5/0x140 [ 464.921175] ? mark_held_locks+0x130/0x130 [ 464.925416] ? lock_release+0xa00/0xa00 [ 464.929393] ? perf_trace_sched_process_exec+0x860/0x860 [ 464.934857] ? __might_sleep+0x95/0x190 [ 464.938851] __alloc_pages_nodemask+0xa80/0xde0 [ 464.943540] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 464.948589] ? __page_cache_alloc+0x191/0x5c0 [ 464.953083] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 464.958015] ? kasan_check_read+0x11/0x20 [ 464.962163] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 464.967441] ? zap_class+0x640/0x640 [ 464.971169] ? zap_class+0x640/0x640 [ 464.974885] ? zap_class+0x640/0x640 [ 464.978598] ? __do_page_cache_readahead+0x7ce/0x980 [ 464.983709] ? find_held_lock+0x36/0x1c0 [ 464.987778] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 464.993325] alloc_pages_current+0x173/0x350 [ 464.997739] __page_cache_alloc+0x38c/0x5c0 [ 465.002076] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.007002] ? kasan_check_read+0x11/0x20 [ 465.011154] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.016434] ? generic_perform_write+0x6a0/0x6a0 [ 465.021190] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.026736] ? check_preemption_disabled+0x48/0x280 [ 465.031762] filemap_fault+0x1594/0x25f0 [ 465.035841] ? __lock_page_or_retry+0xa00/0xa00 [ 465.040514] ? mark_held_locks+0x130/0x130 [ 465.044750] ? rcu_softirq_qs+0x20/0x20 [ 465.048757] ? filemap_map_pages+0xe04/0x1990 [ 465.053296] ? __free_object+0x173/0x340 [ 465.057360] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 465.062292] ? trace_hardirqs_off_caller+0x310/0x310 [ 465.067400] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 465.072084] ? debug_object_free+0x32d/0x690 [ 465.076494] ? kasan_check_read+0x11/0x20 [ 465.080647] ? debug_object_destroy+0x2b0/0x2b0 [ 465.085322] ? lock_pi_update_atomic+0x150/0x150 [ 465.090074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.095614] ? __hrtimer_init+0xdb/0x240 [ 465.099688] ? lock_acquire+0x1ed/0x520 [ 465.103664] ? ext4_filemap_fault+0x7a/0xad [ 465.108000] ? lock_release+0xa00/0xa00 [ 465.111978] ? perf_trace_sched_process_exec+0x860/0x860 [ 465.117437] ? print_usage_bug+0xc0/0xc0 [ 465.121501] ? print_usage_bug+0xc0/0xc0 [ 465.125576] ? down_read+0x8d/0x120 [ 465.129233] ? ext4_filemap_fault+0x7a/0xad [ 465.133556] ? __down_interruptible+0x700/0x700 [ 465.138244] ext4_filemap_fault+0x82/0xad [ 465.142398] __do_fault+0x100/0x6b0 [ 465.146029] ? pmd_devmap_trans_unstable+0x220/0x220 [ 465.151133] ? mark_held_locks+0x130/0x130 [ 465.155381] ? mark_held_locks+0x130/0x130 [ 465.159617] ? debug_smp_processor_id+0x1c/0x20 [ 465.164297] ? perf_trace_lock+0x14d/0x7a0 [ 465.168541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.174084] __handle_mm_fault+0x307c/0x5920 [ 465.178502] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 465.183359] ? lock_is_held_type+0x210/0x210 [ 465.187791] ? zap_class+0x640/0x640 [ 465.191515] ? zap_class+0x640/0x640 [ 465.195231] ? __x64_sys_futex+0x53e/0x6a0 [ 465.199471] ? find_held_lock+0x36/0x1c0 [ 465.203547] ? handle_mm_fault+0x42a/0xc70 [ 465.207795] ? lock_downgrade+0x900/0x900 [ 465.211961] ? check_preemption_disabled+0x48/0x280 [ 465.216986] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 465.221913] ? kasan_check_read+0x11/0x20 [ 465.226064] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 465.231344] ? rcu_softirq_qs+0x20/0x20 [ 465.235320] ? trace_hardirqs_off_caller+0x310/0x310 [ 465.240437] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.245980] ? check_preemption_disabled+0x48/0x280 [ 465.251007] handle_mm_fault+0x54f/0xc70 [ 465.255071] ? __handle_mm_fault+0x5920/0x5920 [ 465.259659] ? find_vma+0x34/0x190 [ 465.263214] __do_page_fault+0x5e8/0xe60 [ 465.267282] ? trace_hardirqs_off+0xb8/0x310 [ 465.271690] ? trace_hardirqs_off+0xb8/0x310 [ 465.276111] do_page_fault+0xf2/0x7e0 [ 465.279921] ? vmalloc_sync_all+0x30/0x30 [ 465.284089] ? error_entry+0x70/0xd0 [ 465.287816] ? trace_hardirqs_off_caller+0xbb/0x310 [ 465.292833] ? trace_hardirqs_on_caller+0xc0/0x310 [ 465.297765] ? syscall_return_slowpath+0x5e0/0x5e0 [ 465.302692] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.307538] ? trace_hardirqs_on_caller+0x310/0x310 [ 465.312565] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 465.318032] ? prepare_exit_to_usermode+0x291/0x3b0 [ 465.323054] ? page_fault+0x8/0x30 [ 465.326601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 465.331451] ? page_fault+0x8/0x30 [ 465.335000] page_fault+0x1e/0x30 [ 465.338455] RIP: 0033:0x45ddf3 [ 465.341665] Code: Bad RIP value. [ 465.345037] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 465.350437] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 465.357700] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 465.364991] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 465.372297] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 465.379562] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 465.386869] warn_alloc_show_mem: 1 callbacks suppressed [ 465.386881] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 465.386883] Mem-Info: [ 465.386913] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 465.386913] active_file:13 inactive_file:17 isolated_file:0 [ 465.386913] unevictable:0 dirty:0 writeback:0 unstable:0 [ 465.386913] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 465.386913] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 465.386913] free:13759 free_pcp:161 free_cma:0 [ 465.392261] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 465.399295] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 465.401694] Call Trace: [ 465.434644] Node 0 [ 465.443992] [ 465.471677] 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 [ 465.474239] dump_stack+0x244/0x39d [ 465.476457] lowmem_reserve[]: [ 465.478611] ? dump_stack_print_info.cold.1+0x20/0x20 [ 465.504082] 0 2819 [ 465.507727] warn_alloc.cold.117+0xb7/0x1bd [ 465.510806] 6323 [ 465.516006] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 465.518220] 6323 [ 465.522559] ? lock_downgrade+0x900/0x900 [ 465.529453] ? trace_hardirqs_off+0xb8/0x310 [ 465.531490] Node 0 [ 465.535637] ? trace_hardirqs_off+0xb8/0x310 [ 465.540064] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 465.542280] __alloc_pages_slowpath+0x2660/0x2d70 [ 465.546655] lowmem_reserve[]: 0 [ 465.573414] ? warn_alloc+0x120/0x120 [ 465.578206] 0 3503 [ 465.581495] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 465.585278] 3503 [ 465.587512] ? warn_alloc+0x120/0x120 [ 465.594579] ? print_usage_bug+0xc0/0xc0 [ 465.598364] Node 0 [ 465.602418] ? warn_alloc+0x120/0x120 [ 465.602450] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 465.602453] lowmem_reserve[]: 0 [ 465.604695] ? print_usage_bug+0xc0/0xc0 [ 465.608476] 0 [ 465.636757] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 465.640016] 0 [ 465.644077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 465.645852] 0 [ 465.651042] ? should_fail+0x22d/0xd01 [ 465.658384] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.660166] Node 0 [ 465.664057] ? __lock_acquire+0x62f/0x4c20 [ 465.669139] DMA: [ 465.671376] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 465.675590] 1*4kB [ 465.677653] ? should_fail+0x22d/0xd01 [ 465.682737] (U) [ 465.684892] ? mark_held_locks+0x130/0x130 [ 465.688746] 0*8kB 0*16kB [ 465.690733] ? mark_held_locks+0x130/0x130 [ 465.694964] 1*32kB [ 465.697717] ? print_usage_bug+0xc0/0xc0 [ 465.701928] (U) [ 465.704166] ? find_held_lock+0x36/0x1c0 [ 465.708214] 2*64kB [ 465.710193] ? zap_class+0x640/0x640 [ 465.714225] (U) [ 465.716463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.720155] 1*128kB [ 465.722463] ? check_preemption_disabled+0x48/0x280 [ 465.727974] (U) [ 465.730343] ? __lock_is_held+0xb5/0x140 [ 465.735375] 1*256kB [ 465.737371] __alloc_pages_nodemask+0xa80/0xde0 [ 465.741411] (U) [ 465.743733] ? zap_class+0x640/0x640 [ 465.748384] 0*512kB [ 465.750357] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 465.754058] 1*1024kB (U) [ 465.756397] ? find_held_lock+0x36/0x1c0 [ 465.761388] 1*2048kB [ 465.764149] ? ____cache_alloc_node+0x1c7/0x1e0 [ 465.768182] (M) [ 465.770593] ? lock_downgrade+0x900/0x900 [ 465.775239] 3*4096kB [ 465.777215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.781335] (M) = 15908kB [ 465.783765] cache_grow_begin+0xa5/0x8c0 [ 465.789281] Node 0 [ 465.792040] ? do_raw_spin_unlock+0xa7/0x330 [ 465.796080] DMA32: [ 465.798347] fallback_alloc+0x204/0x2e0 [ 465.802732] 5*4kB [ 465.804967] ____cache_alloc_node+0x1c7/0x1e0 [ 465.808932] (UM) [ 465.811091] kmem_cache_alloc_node+0xe3/0x730 [ 465.815566] 1*8kB [ 465.817622] ? mark_held_locks+0xc7/0x130 [ 465.822094] (M) [ 465.824247] __alloc_skb+0x119/0x770 [ 465.828369] 3*16kB [ 465.830363] ? netdev_alloc_frag+0x1f0/0x1f0 [ 465.834050] (M) [ 465.836283] ? do_raw_spin_trylock+0x270/0x270 [ 465.840667] 3*32kB [ 465.842643] ? kmem_cache_alloc_trace+0x353/0x750 [ 465.847209] (UM) [ 465.849468] ? queue_work_on+0x12c/0x1e0 [ 465.854277] 2*64kB [ 465.856349] ? switchdev_port_obj_del+0xdc/0x440 [ 465.860381] (M) [ 465.862620] ? switchdev_trans_item_enqueue+0x260/0x260 [ 465.867356] 2*128kB [ 465.869351] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 465.874691] (M) [ 465.877020] __br_mdb_notify+0x4ff/0x15d0 [ 465.882009] 4*256kB [ 465.883985] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 465.888109] (M) [ 465.890437] ? __br_mdb_add+0x7f0/0x7f0 [ 465.895511] 4*512kB [ 465.897481] ? mark_held_locks+0x130/0x130 [ 465.901433] (UM) [ 465.903766] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 465.907977] 3*1024kB (UM) [ 465.910049] ? debug_object_assert_init+0x368/0x4b0 [ 465.915127] 3*2048kB (M) [ 465.917981] ? debug_object_init_on_stack+0x20/0x20 [ 465.923011] 3*4096kB [ 465.925762] ? zap_class+0x640/0x640 [ 465.930761] (M) [ 465.933191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 465.936894] = 25132kB [ 465.938873] br_mdb_notify+0x310/0x410 [ 465.944383] Node 0 [ 465.946790] ? br_mdb_dump+0x27b0/0x27b0 [ 465.950658] Normal: [ 465.952903] br_multicast_del_pg+0x3df/0x790 [ 465.956932] 951*4kB [ 465.959272] ? br_mdb_ip_get+0x940/0x940 [ 465.963652] (UMEH) 234*8kB [ 465.965994] ? rwlock_bug.part.2+0x90/0x90 [ 465.970043] (UME) [ 465.972976] ? __lock_is_held+0xb5/0x140 [ 465.977191] 222*16kB (UMEH) [ 465.979353] br_multicast_port_group_expired+0x189/0x1e0 [ 465.983388] 132*32kB [ 465.986411] call_timer_fn+0x272/0x920 [ 465.991833] (UM) [ 465.994241] ? br_multicast_del_pg+0x790/0x790 [ 465.998105] 1*64kB [ 466.000162] ? process_timeout+0x40/0x40 [ 466.004723] (H) [ 466.006986] ? __run_timers+0x7da/0xc70 [ 466.011023] 0*128kB [ 466.013003] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.016955] 0*256kB [ 466.019393] ? _raw_spin_unlock_irq+0x27/0x80 [ 466.023870] 1*512kB [ 466.026190] ? br_multicast_del_pg+0x790/0x790 [ 466.030662] (H) 0*1024kB [ 466.032994] ? lockdep_hardirqs_on+0x296/0x5b0 [ 466.037555] 0*2048kB [ 466.040323] ? trace_hardirqs_on+0xbd/0x310 [ 466.044884] 0*4096kB [ 466.047295] ? kasan_check_read+0x11/0x20 [ 466.051595] = 14028kB [ 466.054002] ? __run_timers+0x7da/0xc70 [ 466.058137] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 466.060535] ? trace_hardirqs_off_caller+0x310/0x310 [ 466.064493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 466.073329] ? br_multicast_del_pg+0x790/0x790 [ 466.078421] 4244 total pagecache pages [ 466.087009] ? br_multicast_del_pg+0x790/0x790 [ 466.091573] 0 pages in swap cache [ 466.095471] __run_timers+0x7e5/0xc70 [ 466.100031] Swap cache stats: add 0, delete 0, find 0/0 [ 466.103486] ? timer_fixup_init+0x70/0x70 [ 466.107252] Free swap = 0kB [ 466.107258] Total swap = 0kB [ 466.107282] 1965979 pages RAM [ 466.112660] ? kasan_check_read+0x11/0x20 [ 466.116783] 0 pages HighMem/MovableOnly [ 466.116792] 342293 pages reserved [ 466.119816] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 466.122826] 0 pages cma reserved [ 466.125939] ? rcu_softirq_qs+0x20/0x20 [ 466.130250] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.134040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.137477] syz-fuzzer cpuset= [ 466.142751] ? check_preemption_disabled+0x48/0x280 [ 466.146122] / [ 466.150121] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 466.160346] mems_allowed=0 [ 466.165892] ? retint_kernel+0x2d/0x2d [ 466.187319] ? trace_hardirqs_on_caller+0xc0/0x310 [ 466.192303] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 466.197058] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 466.202512] ? zap_class+0x640/0x640 [ 466.206231] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.211766] ? check_preemption_disabled+0x48/0x280 [ 466.216795] ? __lock_is_held+0xb5/0x140 [ 466.220857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.226394] ? check_preemption_disabled+0x48/0x280 [ 466.231422] run_timer_softirq+0x52/0xb0 [ 466.235509] ? rcu_read_lock_sched_held+0x14f/0x180 [ 466.240554] __do_softirq+0x308/0xb7e [ 466.244371] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 466.248869] ? lock_downgrade+0x900/0x900 [ 466.253025] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 466.258145] ? pvclock_read_flags+0x160/0x160 [ 466.262648] ? lapic_next_event+0x5a/0x90 [ 466.266795] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.272342] ? kvm_clock_read+0x18/0x30 [ 466.276321] ? kvm_sched_clock_read+0x9/0x20 [ 466.280735] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.286283] ? check_preemption_disabled+0x48/0x280 [ 466.291400] irq_exit+0x17f/0x1c0 [ 466.294860] smp_apic_timer_interrupt+0x1cb/0x760 [ 466.299709] ? smp_reschedule_interrupt+0x109/0x650 [ 466.304731] ? smp_call_function_single_interrupt+0x650/0x650 [ 466.310620] ? interrupt_entry+0xb5/0xc0 [ 466.314718] ? trace_hardirqs_off_caller+0xbb/0x310 [ 466.319736] ? trace_hardirqs_off_caller+0xbb/0x310 [ 466.324756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 466.329600] ? trace_hardirqs_on_caller+0x310/0x310 [ 466.334616] ? trace_hardirqs_on_caller+0x310/0x310 [ 466.339634] ? task_prio+0x50/0x50 [ 466.343179] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.348719] ? check_preemption_disabled+0x48/0x280 [ 466.353741] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 466.358595] apic_timer_interrupt+0xf/0x20 [ 466.362823] [ 466.365061] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 466.370014] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 466.388914] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 466.396623] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 466.403893] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 466.411194] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 466.418482] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 466.425751] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 466.433064] skb_clone+0x1bb/0x500 [ 466.436608] ? finish_task_switch+0x2f4/0x910 [ 466.441130] ? skb_split+0x11e0/0x11e0 [ 466.445062] ? preempt_notifier_register+0x200/0x200 [ 466.450178] ? __switch_to_asm+0x34/0x70 [ 466.454238] ? __switch_to_asm+0x34/0x70 [ 466.458306] ? __switch_to_asm+0x40/0x70 [ 466.462367] ? __switch_to_asm+0x34/0x70 [ 466.466425] ? __switch_to_asm+0x40/0x70 [ 466.470491] ? __switch_to_asm+0x34/0x70 [ 466.474553] ? __switch_to_asm+0x40/0x70 [ 466.478616] ? __switch_to_asm+0x34/0x70 [ 466.482680] ? __switch_to_asm+0x34/0x70 [ 466.486740] ? __switch_to_asm+0x40/0x70 [ 466.490810] ? __switch_to_asm+0x34/0x70 [ 466.494890] bpf_clone_redirect+0xb9/0x490 [ 466.499127] ? __schedule+0x8d7/0x21d0 [ 466.503027] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 466.508049] ? __sched_text_start+0x8/0x8 [ 466.512216] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 466.516807] ? find_held_lock+0x36/0x1c0 [ 466.520877] ? lock_acquire+0x1ed/0x520 [ 466.524854] ? bpf_test_run+0x3cb/0x780 [ 466.528829] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.534365] ? check_preemption_disabled+0x48/0x280 [ 466.539393] ? kasan_check_read+0x11/0x20 [ 466.543547] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 466.548825] ? rcu_softirq_qs+0x20/0x20 [ 466.552817] ? preempt_schedule+0x4d/0x60 [ 466.557005] ? ___preempt_schedule+0x16/0x18 [ 466.561422] ? bpf_test_run+0x25d/0x780 [ 466.565413] ? netlink_diag_dump+0x2a0/0x2a0 [ 466.569833] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 466.574612] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 466.579391] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 466.584237] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 466.589777] ? fput+0x130/0x1a0 [ 466.593060] ? __bpf_prog_get+0x9b/0x290 [ 466.597126] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 466.601971] ? bpf_prog_test_run+0x130/0x1a0 [ 466.606390] ? __x64_sys_bpf+0x3d8/0x520 [ 466.610469] ? bpf_prog_get+0x20/0x20 [ 466.614805] ? do_syscall_64+0x1b9/0x820 [ 466.618872] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 466.624237] ? syscall_return_slowpath+0x5e0/0x5e0 [ 466.629165] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 466.634019] ? trace_hardirqs_on_caller+0x310/0x310 [ 466.639039] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 466.644058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.649603] ? prepare_exit_to_usermode+0x291/0x3b0 [ 466.654646] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 466.659547] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 466.664935] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 466.665151] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 466.671613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 466.671622] Call Trace: [ 466.682097] syz-executor3 cpuset= [ 466.691446] [ 466.694019] syz3 [ 466.697488] dump_stack+0x244/0x39d [ 466.699617] mems_allowed=0 [ 466.701589] ? dump_stack_print_info.cold.1+0x20/0x20 [ 466.713336] warn_alloc.cold.117+0xb7/0x1bd [ 466.717661] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 466.722523] ? lock_downgrade+0x900/0x900 [ 466.726682] ? trace_hardirqs_off+0xb8/0x310 [ 466.731095] ? trace_hardirqs_off+0xb8/0x310 [ 466.735522] __alloc_pages_slowpath+0x2660/0x2d70 [ 466.740414] ? warn_alloc+0x120/0x120 [ 466.744234] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 466.749252] ? warn_alloc+0x120/0x120 [ 466.753059] ? print_usage_bug+0xc0/0xc0 [ 466.757118] ? warn_alloc+0x120/0x120 [ 466.760918] ? print_usage_bug+0xc0/0xc0 [ 466.764996] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 466.770218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 466.775771] ? should_fail+0x22d/0xd01 [ 466.779680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.784785] ? __lock_acquire+0x62f/0x4c20 [ 466.789024] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 466.794128] ? should_fail+0x22d/0xd01 [ 466.798027] ? mark_held_locks+0x130/0x130 [ 466.802267] ? mark_held_locks+0x130/0x130 [ 466.806496] ? print_usage_bug+0xc0/0xc0 [ 466.810570] ? find_held_lock+0x36/0x1c0 [ 466.814633] ? zap_class+0x640/0x640 [ 466.818370] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.823924] ? check_preemption_disabled+0x48/0x280 [ 466.828962] ? __lock_is_held+0xb5/0x140 [ 466.833029] __alloc_pages_nodemask+0xa80/0xde0 [ 466.837703] ? zap_class+0x640/0x640 [ 466.841423] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 466.846465] ? find_held_lock+0x36/0x1c0 [ 466.850540] ? ____cache_alloc_node+0x1c7/0x1e0 [ 466.855220] ? lock_downgrade+0x900/0x900 [ 466.859376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.864917] cache_grow_begin+0xa5/0x8c0 [ 466.868989] ? do_raw_spin_unlock+0xa7/0x330 [ 466.873431] fallback_alloc+0x204/0x2e0 [ 466.877416] ____cache_alloc_node+0x1c7/0x1e0 [ 466.881921] kmem_cache_alloc_node+0xe3/0x730 [ 466.886418] ? mark_held_locks+0xc7/0x130 [ 466.890590] __alloc_skb+0x119/0x770 [ 466.894318] ? netdev_alloc_frag+0x1f0/0x1f0 [ 466.898727] ? do_raw_spin_trylock+0x270/0x270 [ 466.903310] ? kmem_cache_alloc_trace+0x353/0x750 [ 466.908167] ? queue_work_on+0x12c/0x1e0 [ 466.912249] ? switchdev_port_obj_del+0xdc/0x440 [ 466.917011] ? switchdev_trans_item_enqueue+0x260/0x260 [ 466.922377] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 466.927403] __br_mdb_notify+0x4ff/0x15d0 [ 466.931558] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 466.936675] ? __br_mdb_add+0x7f0/0x7f0 [ 466.940653] ? mark_held_locks+0x130/0x130 [ 466.944896] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 466.950000] ? debug_object_assert_init+0x368/0x4b0 [ 466.955020] ? debug_object_init_on_stack+0x20/0x20 [ 466.960037] ? zap_class+0x640/0x640 [ 466.963754] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 466.969300] br_mdb_notify+0x310/0x410 [ 466.973199] ? br_mdb_dump+0x27b0/0x27b0 [ 466.977279] br_multicast_del_pg+0x3df/0x790 [ 466.981697] ? br_mdb_ip_get+0x940/0x940 [ 466.985763] ? rwlock_bug.part.2+0x90/0x90 [ 466.990000] ? __lock_is_held+0xb5/0x140 [ 466.994075] br_multicast_port_group_expired+0x189/0x1e0 [ 466.999540] call_timer_fn+0x272/0x920 [ 467.003428] ? br_multicast_del_pg+0x790/0x790 [ 467.008012] ? process_timeout+0x40/0x40 [ 467.012089] ? mark_held_locks+0xc7/0x130 [ 467.016272] ? _raw_spin_unlock_irq+0x27/0x80 [ 467.020783] ? _raw_spin_unlock_irq+0x27/0x80 [ 467.025281] ? br_multicast_del_pg+0x790/0x790 [ 467.029878] ? lockdep_hardirqs_on+0x296/0x5b0 [ 467.034488] ? trace_hardirqs_on+0xbd/0x310 [ 467.038812] ? kasan_check_read+0x11/0x20 [ 467.042996] ? __run_timers+0x7da/0xc70 [ 467.046975] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.052094] ? br_multicast_del_pg+0x790/0x790 [ 467.056684] ? br_multicast_del_pg+0x790/0x790 [ 467.061277] __run_timers+0x7e5/0xc70 [ 467.065095] ? timer_fixup_init+0x70/0x70 [ 467.069250] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 467.074277] ? zap_class+0x640/0x640 [ 467.077997] ? print_usage_bug+0xc0/0xc0 [ 467.082067] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 467.087265] ? find_held_lock+0x36/0x1c0 [ 467.091335] ? zap_class+0x640/0x640 [ 467.095055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.100594] ? check_preemption_disabled+0x48/0x280 [ 467.105622] ? __lock_is_held+0xb5/0x140 [ 467.109686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.115229] ? check_preemption_disabled+0x48/0x280 [ 467.120272] run_timer_softirq+0x52/0xb0 [ 467.124336] ? rcu_read_lock_sched_held+0x14f/0x180 [ 467.129358] __do_softirq+0x308/0xb7e [ 467.133175] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 467.137679] ? lock_downgrade+0x900/0x900 [ 467.141836] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 467.147002] ? pvclock_read_flags+0x160/0x160 [ 467.151512] ? lapic_next_event+0x5a/0x90 [ 467.155665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.161215] ? kvm_clock_read+0x18/0x30 [ 467.165198] ? kvm_sched_clock_read+0x9/0x20 [ 467.169611] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.175150] ? check_preemption_disabled+0x48/0x280 [ 467.180199] irq_exit+0x17f/0x1c0 [ 467.183659] smp_apic_timer_interrupt+0x1cb/0x760 [ 467.188528] ? smp_reschedule_interrupt+0x109/0x650 [ 467.193551] ? smp_call_function_single_interrupt+0x650/0x650 [ 467.199442] ? interrupt_entry+0xb5/0xc0 [ 467.203507] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.208521] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.213552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.218408] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.223425] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.228451] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.233325] apic_timer_interrupt+0xf/0x20 [ 467.237566] [ 467.239804] RIP: 0010:dump_stack+0x358/0x39d [ 467.244223] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 467.263122] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 467.270833] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 467.278103] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 467.285369] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 467.292633] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 467.299902] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 467.307200] ? dump_stack+0x34f/0x39d [ 467.311019] ? dump_stack_print_info.cold.1+0x20/0x20 [ 467.316236] dump_header+0x27b/0xf72 [ 467.319972] ? mark_held_locks+0x130/0x130 [ 467.324215] ? pagefault_out_of_memory+0x197/0x197 [ 467.329153] ? __lock_acquire+0x62f/0x4c20 [ 467.333393] ? zap_class+0x640/0x640 [ 467.337121] ? percpu_ref_get_many+0x240/0x240 [ 467.341705] ? print_usage_bug+0xc0/0xc0 [ 467.345773] ? print_usage_bug+0xc0/0xc0 [ 467.349850] ? zap_class+0x640/0x640 [ 467.353569] ? print_usage_bug+0xc0/0xc0 [ 467.357678] ? print_usage_bug+0xc0/0xc0 [ 467.361749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.367295] ? find_held_lock+0x36/0x1c0 [ 467.371367] ? mark_held_locks+0xc7/0x130 [ 467.375523] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.380630] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 467.385739] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 467.390329] ? trace_hardirqs_on+0xbd/0x310 [ 467.394664] ? kasan_check_read+0x11/0x20 [ 467.398818] ? ___ratelimit+0x3b4/0x672 [ 467.402793] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.407894] ? trace_hardirqs_on+0x310/0x310 [ 467.412305] ? lock_downgrade+0x900/0x900 [ 467.416461] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 467.421575] ? ___ratelimit+0x3b9/0x672 [ 467.425558] ? idr_get_free+0xec0/0xec0 [ 467.429532] ? find_held_lock+0x36/0x1c0 [ 467.433608] oom_kill_process.cold.27+0x10/0x903 [ 467.438366] ? zap_class+0x640/0x640 [ 467.442081] ? check_preemption_disabled+0x48/0x280 [ 467.447110] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.452084] ? kasan_check_read+0x11/0x20 [ 467.456243] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.461528] ? oom_evaluate_task+0x540/0x540 [ 467.465941] ? find_held_lock+0x36/0x1c0 [ 467.470024] ? out_of_memory+0x974/0x1430 [ 467.474171] ? lock_downgrade+0x900/0x900 [ 467.478344] ? check_preemption_disabled+0x48/0x280 [ 467.483364] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.488294] ? kasan_check_read+0x11/0x20 [ 467.492446] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.497723] ? rcu_softirq_qs+0x20/0x20 [ 467.501789] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.507326] ? oom_evaluate_task+0x302/0x540 [ 467.511742] out_of_memory+0xa84/0x1430 [ 467.515729] ? oom_killer_disable+0x3a0/0x3a0 [ 467.520228] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 467.525161] ? __mutex_add_waiter+0x2a0/0x2a0 [ 467.529675] __alloc_pages_slowpath+0x22d4/0x2d70 [ 467.534553] ? warn_alloc+0x120/0x120 [ 467.538356] ? rcu_softirq_qs+0x20/0x20 [ 467.542359] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.547899] ? should_fail+0x22d/0xd01 [ 467.551798] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 467.556904] ? zap_class+0x640/0x640 [ 467.560653] ? __lock_is_held+0xb5/0x140 [ 467.564724] ? mark_held_locks+0x130/0x130 [ 467.568966] ? lock_release+0xa00/0xa00 [ 467.572955] ? perf_trace_sched_process_exec+0x860/0x860 [ 467.578422] ? __might_sleep+0x95/0x190 [ 467.582401] __alloc_pages_nodemask+0xa80/0xde0 [ 467.587079] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 467.592111] ? __page_cache_alloc+0x191/0x5c0 [ 467.596608] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.601542] ? kasan_check_read+0x11/0x20 [ 467.605692] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.610975] ? zap_class+0x640/0x640 [ 467.614706] ? zap_class+0x640/0x640 [ 467.618447] ? zap_class+0x640/0x640 [ 467.622178] ? __do_page_cache_readahead+0x7ce/0x980 [ 467.627309] ? find_held_lock+0x36/0x1c0 [ 467.631376] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 467.636927] alloc_pages_current+0x173/0x350 [ 467.641350] __page_cache_alloc+0x38c/0x5c0 [ 467.645696] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.650626] ? kasan_check_read+0x11/0x20 [ 467.654775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.660055] ? generic_perform_write+0x6a0/0x6a0 [ 467.664812] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.670351] ? check_preemption_disabled+0x48/0x280 [ 467.675378] filemap_fault+0x1594/0x25f0 [ 467.679482] ? __lock_page_or_retry+0xa00/0xa00 [ 467.684173] ? mark_held_locks+0x130/0x130 [ 467.688426] ? rcu_softirq_qs+0x20/0x20 [ 467.692426] ? filemap_map_pages+0xe04/0x1990 [ 467.696937] ? __free_object+0x173/0x340 [ 467.701011] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 467.705963] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.711072] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 467.715760] ? debug_object_free+0x32d/0x690 [ 467.720168] ? kasan_check_read+0x11/0x20 [ 467.724599] ? debug_object_destroy+0x2b0/0x2b0 [ 467.729277] ? lock_pi_update_atomic+0x150/0x150 [ 467.734033] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 467.739573] ? __hrtimer_init+0xdb/0x240 [ 467.743648] ? lock_acquire+0x1ed/0x520 [ 467.747627] ? ext4_filemap_fault+0x7a/0xad [ 467.751961] ? lock_release+0xa00/0xa00 [ 467.755939] ? perf_trace_sched_process_exec+0x860/0x860 [ 467.761399] ? print_usage_bug+0xc0/0xc0 [ 467.765464] ? print_usage_bug+0xc0/0xc0 [ 467.769544] ? down_read+0x8d/0x120 [ 467.773219] ? ext4_filemap_fault+0x7a/0xad [ 467.777541] ? __down_interruptible+0x700/0x700 [ 467.782231] ext4_filemap_fault+0x82/0xad [ 467.786386] __do_fault+0x100/0x6b0 [ 467.790018] ? pmd_devmap_trans_unstable+0x220/0x220 [ 467.795126] ? mark_held_locks+0x130/0x130 [ 467.799362] ? mark_held_locks+0x130/0x130 [ 467.803602] ? debug_smp_processor_id+0x1c/0x20 [ 467.808273] ? perf_trace_lock+0x14d/0x7a0 [ 467.812528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.818076] __handle_mm_fault+0x307c/0x5920 [ 467.822503] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 467.827352] ? lock_is_held_type+0x210/0x210 [ 467.831829] ? zap_class+0x640/0x640 [ 467.835542] ? zap_class+0x640/0x640 [ 467.839257] ? __x64_sys_futex+0x53e/0x6a0 [ 467.843501] ? find_held_lock+0x36/0x1c0 [ 467.847574] ? handle_mm_fault+0x42a/0xc70 [ 467.851808] ? lock_downgrade+0x900/0x900 [ 467.855972] ? check_preemption_disabled+0x48/0x280 [ 467.861009] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 467.865962] ? kasan_check_read+0x11/0x20 [ 467.870124] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 467.875404] ? rcu_softirq_qs+0x20/0x20 [ 467.879381] ? trace_hardirqs_off_caller+0x310/0x310 [ 467.884488] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 467.890026] ? check_preemption_disabled+0x48/0x280 [ 467.895063] handle_mm_fault+0x54f/0xc70 [ 467.899126] ? __handle_mm_fault+0x5920/0x5920 [ 467.903710] ? find_vma+0x34/0x190 [ 467.907261] __do_page_fault+0x5e8/0xe60 [ 467.911329] ? trace_hardirqs_off+0xb8/0x310 [ 467.915735] ? trace_hardirqs_off+0xb8/0x310 [ 467.920182] do_page_fault+0xf2/0x7e0 [ 467.923995] ? vmalloc_sync_all+0x30/0x30 [ 467.928142] ? error_entry+0x70/0xd0 [ 467.931858] ? trace_hardirqs_off_caller+0xbb/0x310 [ 467.936872] ? trace_hardirqs_on_caller+0xc0/0x310 [ 467.941808] ? syscall_return_slowpath+0x5e0/0x5e0 [ 467.946739] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.951584] ? trace_hardirqs_on_caller+0x310/0x310 [ 467.956600] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 467.962060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 467.967091] ? page_fault+0x8/0x30 [ 467.970647] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 467.975494] ? page_fault+0x8/0x30 [ 467.979037] page_fault+0x1e/0x30 [ 467.982492] RIP: 0033:0x45ddf3 [ 467.985701] Code: Bad RIP value. [ 467.989065] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 467.994428] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 468.001695] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 468.008968] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 468.016235] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 468.023539] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 468.030838] warn_alloc_show_mem: 1 callbacks suppressed [ 468.030851] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 468.030853] Mem-Info: [ 468.030885] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 468.030885] active_file:13 inactive_file:17 isolated_file:0 [ 468.030885] unevictable:0 dirty:0 writeback:0 unstable:0 [ 468.030885] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 468.030885] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 468.030885] free:13759 free_pcp:161 free_cma:0 [ 468.036226] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 468.036235] Call Trace: [ 468.043299] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 468.045713] [ 468.078665] Node 0 [ 468.088023] dump_stack+0x244/0x39d [ 468.090611] 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 [ 468.118273] ? dump_stack_print_info.cold.1+0x20/0x20 [ 468.120402] lowmem_reserve[]: [ 468.122651] warn_alloc.cold.117+0xb7/0x1bd [ 468.126249] 0 [ 468.151746] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 468.156916] 2819 [ 468.160029] ? lock_downgrade+0x900/0x900 [ 468.164328] 6323 [ 468.166136] ? trace_hardirqs_off+0xb8/0x310 [ 468.170953] 6323 [ 468.173025] ? trace_hardirqs_off+0xb8/0x310 [ 468.177149] Node 0 [ 468.179212] __alloc_pages_slowpath+0x2660/0x2d70 [ 468.183654] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 468.185729] ? warn_alloc+0x120/0x120 [ 468.190086] lowmem_reserve[]: 0 [ 468.192332] ? warn_alloc+0x120/0x120 [ 468.197144] 0 3503 [ 468.223865] ? print_usage_bug+0xc0/0xc0 [ 468.227647] 3503 [ 468.230919] ? warn_alloc+0x120/0x120 [ 468.236934] ? print_usage_bug+0xc0/0xc0 [ 468.240979] Node 0 [ 468.243054] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 468.246854] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 468.250913] ? should_fail+0x22d/0xd01 [ 468.253120] lowmem_reserve[]: 0 [ 468.258691] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.286954] 0 [ 468.290835] ? __lock_acquire+0x62f/0x4c20 [ 468.294092] 0 [ 468.299190] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 468.300975] 0 [ 468.305202] ? should_fail+0x22d/0xd01 [ 468.305228] ? mark_held_locks+0x130/0x130 [ 468.312104] ? mark_held_locks+0x130/0x130 [ 468.313913] Node 0 [ 468.317810] ? print_usage_bug+0xc0/0xc0 [ 468.322023] DMA: [ 468.326279] ? find_held_lock+0x36/0x1c0 [ 468.328499] 1*4kB [ 468.332555] ? zap_class+0x640/0x640 [ 468.334598] (U) [ 468.338663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.340791] 0*8kB [ 468.344498] ? check_preemption_disabled+0x48/0x280 [ 468.346462] 0*16kB [ 468.351997] ? __lock_is_held+0xb5/0x140 [ 468.354124] 1*32kB [ 468.359140] __alloc_pages_nodemask+0xa80/0xde0 [ 468.361359] (U) [ 468.365419] ? zap_class+0x640/0x640 [ 468.367634] 2*64kB (U) [ 468.372309] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 468.374285] 1*128kB [ 468.378010] ? find_held_lock+0x36/0x1c0 [ 468.380565] (U) [ 468.385586] ? ____cache_alloc_node+0x1c7/0x1e0 [ 468.387886] 1*256kB [ 468.391940] ? lock_downgrade+0x900/0x900 [ 468.393934] (U) [ 468.398607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.400919] 0*512kB [ 468.405076] cache_grow_begin+0xa5/0x8c0 [ 468.407029] 1*1024kB [ 468.412577] ? do_raw_spin_unlock+0xa7/0x330 [ 468.414895] (U) [ 468.418958] fallback_alloc+0x204/0x2e0 [ 468.421351] 1*2048kB [ 468.425757] ____cache_alloc_node+0x1c7/0x1e0 [ 468.427712] (M) [ 468.431683] kmem_cache_alloc_node+0xe3/0x730 [ 468.434074] 3*4096kB [ 468.438566] ? mark_held_locks+0xc7/0x130 [ 468.440525] (M) [ 468.445027] __alloc_skb+0x119/0x770 [ 468.447413] = 15908kB [ 468.451570] ? netdev_alloc_frag+0x1f0/0x1f0 [ 468.453529] Node 0 [ 468.457238] ? do_raw_spin_trylock+0x270/0x270 [ 468.459626] DMA32: [ 468.464045] ? kmem_cache_alloc_trace+0x353/0x750 [ 468.466265] 5*4kB [ 468.470848] ? queue_work_on+0x12c/0x1e0 [ 468.473075] (UM) [ 468.477960] ? switchdev_port_obj_del+0xdc/0x440 [ 468.480098] 1*8kB (M) [ 468.484170] ? switchdev_trans_item_enqueue+0x260/0x260 [ 468.486223] 3*16kB [ 468.490973] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 468.493446] (M) [ 468.498827] __br_mdb_notify+0x4ff/0x15d0 [ 468.501050] 3*32kB [ 468.506086] ? __br_mdb_add+0x7f0/0x7f0 [ 468.508031] (UM) [ 468.512192] ? zap_class+0x640/0x640 [ 468.514412] 2*64kB [ 468.518389] ? br_multicast_group_expired+0x96/0x610 [ 468.520424] (M) [ 468.524146] br_mdb_notify+0x310/0x410 [ 468.526350] 2*128kB (M) [ 468.531467] ? br_mdb_dump+0x27b0/0x27b0 [ 468.533418] 4*256kB [ 468.537306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.539954] (M) [ 468.544028] br_multicast_group_expired+0x1bc/0x610 [ 468.546328] 4*512kB [ 468.551861] ? br_mdb_free+0x80/0x80 [ 468.553829] (UM) [ 468.558872] call_timer_fn+0x272/0x920 [ 468.561164] 3*1024kB [ 468.564874] ? br_mdb_free+0x80/0x80 [ 468.566928] (UM) [ 468.570814] ? process_timeout+0x40/0x40 [ 468.573210] 3*2048kB [ 468.576923] ? __run_timers+0x7da/0xc70 [ 468.578966] (M) [ 468.583022] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.585426] 3*4096kB [ 468.589398] ? _raw_spin_unlock_irq+0x27/0x80 [ 468.591353] (M) [ 468.595846] ? br_mdb_free+0x80/0x80 [ 468.598241] = 25132kB [ 468.602746] ? lockdep_hardirqs_on+0x296/0x5b0 [ 468.604700] Node 0 [ 468.608410] ? trace_hardirqs_on+0xbd/0x310 [ 468.610799] Normal: [ 468.615913] ? kasan_check_read+0x11/0x20 [ 468.615942] ? __run_timers+0x7da/0xc70 [ 468.618192] 951*4kB (UMEH) [ 468.622534] ? trace_hardirqs_off_caller+0x310/0x310 [ 468.624842] 234*8kB [ 468.628988] ? br_multicast_del_pg+0x790/0x790 [ 468.632942] (UME) [ 468.635917] ? br_mdb_free+0x80/0x80 [ 468.641000] 222*16kB [ 468.643324] __run_timers+0x7e5/0xc70 [ 468.647894] (UMEH) [ 468.650059] ? timer_fixup_init+0x70/0x70 [ 468.653745] 132*32kB [ 468.656164] ? kasan_check_read+0x11/0x20 [ 468.659939] (UM) [ 468.662203] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 468.666323] 1*64kB [ 468.668729] ? rcu_softirq_qs+0x20/0x20 [ 468.672857] (H) [ 468.674922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.680168] 0*128kB 0*256kB [ 468.682431] ? check_preemption_disabled+0x48/0x280 [ 468.686385] 1*512kB [ 468.688374] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 468.693880] (H) 0*1024kB [ 468.696909] ? retint_kernel+0x2d/0x2d [ 468.701919] 0*2048kB [ 468.704269] ? trace_hardirqs_on_caller+0xc0/0x310 [ 468.709006] 0*4096kB [ 468.711770] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 468.715639] = 14028kB [ 468.718044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 468.722972] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 468.725360] ? zap_class+0x640/0x640 [ 468.730101] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 468.732506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.737935] 4244 total pagecache pages [ 468.746770] ? check_preemption_disabled+0x48/0x280 [ 468.750491] 0 pages in swap cache [ 468.759057] ? __lock_is_held+0xb5/0x140 [ 468.764572] Swap cache stats: add 0, delete 0, find 0/0 [ 468.768458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.773447] Free swap = 0kB [ 468.776897] ? check_preemption_disabled+0x48/0x280 [ 468.780935] Total swap = 0kB [ 468.786301] run_timer_softirq+0x52/0xb0 [ 468.791812] 1965979 pages RAM [ 468.794825] ? rcu_read_lock_sched_held+0x14f/0x180 [ 468.799827] 0 pages HighMem/MovableOnly [ 468.799836] 342293 pages reserved [ 468.802857] __do_softirq+0x308/0xb7e [ 468.806893] 0 pages cma reserved [ 468.809996] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 468.815208] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 468.818969] ? lock_downgrade+0x900/0x900 [ 468.822417] syz-fuzzer cpuset= [ 468.826228] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 468.829568] / [ 468.834067] ? pvclock_read_flags+0x160/0x160 [ 468.844260] mems_allowed=0 [ 468.848401] ? lapic_next_event+0x5a/0x90 [ 468.869917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.875469] ? kvm_clock_read+0x18/0x30 [ 468.879457] ? kvm_sched_clock_read+0x9/0x20 [ 468.883873] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.889412] ? check_preemption_disabled+0x48/0x280 [ 468.894440] irq_exit+0x17f/0x1c0 [ 468.897931] smp_apic_timer_interrupt+0x1cb/0x760 [ 468.902774] ? smp_reschedule_interrupt+0x109/0x650 [ 468.907795] ? smp_call_function_single_interrupt+0x650/0x650 [ 468.913683] ? interrupt_entry+0xb5/0xc0 [ 468.917750] ? trace_hardirqs_off_caller+0xbb/0x310 [ 468.922765] ? trace_hardirqs_off_caller+0xbb/0x310 [ 468.927788] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 468.932634] ? trace_hardirqs_on_caller+0x310/0x310 [ 468.937650] ? trace_hardirqs_on_caller+0x310/0x310 [ 468.942665] ? task_prio+0x50/0x50 [ 468.946216] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 468.951754] ? check_preemption_disabled+0x48/0x280 [ 468.956776] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 468.961632] apic_timer_interrupt+0xf/0x20 [ 468.965859] [ 468.968099] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 468.973030] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 468.991940] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 468.999648] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 469.006938] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 469.014214] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 469.021484] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 469.028750] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 469.036060] skb_clone+0x1bb/0x500 [ 469.039604] ? finish_task_switch+0x2f4/0x910 [ 469.044099] ? skb_split+0x11e0/0x11e0 [ 469.048005] ? preempt_notifier_register+0x200/0x200 [ 469.053120] ? __switch_to_asm+0x34/0x70 [ 469.057212] ? __switch_to_asm+0x34/0x70 [ 469.061289] ? __switch_to_asm+0x40/0x70 [ 469.065361] ? __switch_to_asm+0x34/0x70 [ 469.069420] ? __switch_to_asm+0x40/0x70 [ 469.073484] ? __switch_to_asm+0x34/0x70 [ 469.077547] ? __switch_to_asm+0x40/0x70 [ 469.081607] ? __switch_to_asm+0x34/0x70 [ 469.085673] ? __switch_to_asm+0x34/0x70 [ 469.089732] ? __switch_to_asm+0x40/0x70 [ 469.093793] ? __switch_to_asm+0x34/0x70 [ 469.097869] bpf_clone_redirect+0xb9/0x490 [ 469.102110] ? __schedule+0x8d7/0x21d0 [ 469.106005] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 469.111031] ? __sched_text_start+0x8/0x8 [ 469.115222] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 469.119808] ? find_held_lock+0x36/0x1c0 [ 469.123878] ? lock_acquire+0x1ed/0x520 [ 469.127856] ? bpf_test_run+0x3cb/0x780 [ 469.131830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.137387] ? check_preemption_disabled+0x48/0x280 [ 469.142420] ? kasan_check_read+0x11/0x20 [ 469.146581] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.151860] ? rcu_softirq_qs+0x20/0x20 [ 469.155835] ? preempt_schedule+0x4d/0x60 [ 469.159985] ? ___preempt_schedule+0x16/0x18 [ 469.164401] ? bpf_test_run+0x25d/0x780 [ 469.168394] ? netlink_diag_dump+0x2a0/0x2a0 [ 469.172811] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 469.177572] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 469.182340] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 469.187205] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 469.192745] ? fput+0x130/0x1a0 [ 469.196037] ? __bpf_prog_get+0x9b/0x290 [ 469.200106] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 469.204950] ? bpf_prog_test_run+0x130/0x1a0 [ 469.209369] ? __x64_sys_bpf+0x3d8/0x520 [ 469.213432] ? bpf_prog_get+0x20/0x20 [ 469.217263] ? do_syscall_64+0x1b9/0x820 [ 469.221326] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 469.226692] ? syscall_return_slowpath+0x5e0/0x5e0 [ 469.231628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.236478] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.241497] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 469.246520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.252060] ? prepare_exit_to_usermode+0x291/0x3b0 [ 469.257085] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.261947] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 469.267337] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 469.267527] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 469.274022] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 469.284491] syz-executor3 cpuset= [ 469.293833] Call Trace: [ 469.293843] syz3 [ 469.297281] [ 469.299857] mems_allowed=0 [ 469.301828] dump_stack+0x244/0x39d [ 469.310502] ? dump_stack_print_info.cold.1+0x20/0x20 [ 469.315709] warn_alloc.cold.117+0xb7/0x1bd [ 469.320039] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 469.324889] ? lock_downgrade+0x900/0x900 [ 469.329047] ? trace_hardirqs_off+0xb8/0x310 [ 469.333470] ? trace_hardirqs_off+0xb8/0x310 [ 469.337894] __alloc_pages_slowpath+0x2660/0x2d70 [ 469.342771] ? warn_alloc+0x120/0x120 [ 469.346578] ? warn_alloc+0x120/0x120 [ 469.350387] ? print_usage_bug+0xc0/0xc0 [ 469.354449] ? warn_alloc+0x120/0x120 [ 469.358251] ? print_usage_bug+0xc0/0xc0 [ 469.362314] ? warn_alloc+0x120/0x120 [ 469.366128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.371670] ? should_fail+0x22d/0xd01 [ 469.375558] ? __lock_acquire+0x62f/0x4c20 [ 469.379822] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 469.384926] ? __lock_acquire+0x62f/0x4c20 [ 469.389172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 469.394277] ? __lock_acquire+0x62f/0x4c20 [ 469.398539] ? should_fail+0x22d/0xd01 [ 469.402442] ? mark_held_locks+0x130/0x130 [ 469.406683] ? mark_held_locks+0x130/0x130 [ 469.410930] ? mark_held_locks+0x130/0x130 [ 469.415170] ? zap_class+0x640/0x640 [ 469.418886] ? print_usage_bug+0xc0/0xc0 [ 469.422952] ? mark_held_locks+0x130/0x130 [ 469.427190] ? print_usage_bug+0xc0/0xc0 [ 469.431263] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.436801] ? check_preemption_disabled+0x48/0x280 [ 469.441835] ? __lock_is_held+0xb5/0x140 [ 469.445909] __alloc_pages_nodemask+0xa80/0xde0 [ 469.450578] ? zap_class+0x640/0x640 [ 469.454311] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 469.459342] ? find_held_lock+0x36/0x1c0 [ 469.463415] ? ____cache_alloc_node+0x1c7/0x1e0 [ 469.468102] ? lock_downgrade+0x900/0x900 [ 469.472272] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.477817] cache_grow_begin+0xa5/0x8c0 [ 469.481886] ? do_raw_spin_unlock+0xa7/0x330 [ 469.486307] fallback_alloc+0x204/0x2e0 [ 469.490299] ____cache_alloc_node+0x1c7/0x1e0 [ 469.494805] kmem_cache_alloc_node+0xe3/0x730 [ 469.499312] ? ipv6_get_ifaddr+0x42e/0x620 [ 469.503564] __alloc_skb+0x119/0x770 [ 469.507293] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 469.512593] ? netdev_alloc_frag+0x1f0/0x1f0 [ 469.517014] ? lock_downgrade+0x900/0x900 [ 469.521183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.526751] ? refcount_sub_and_test_checked+0x203/0x310 [ 469.532219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 469.537679] ? addrconf_rs_timer+0x690/0x690 [ 469.542104] ndisc_alloc_skb+0x144/0x340 [ 469.546174] ndisc_send_rs+0x331/0x6e0 [ 469.550069] addrconf_rs_timer+0x314/0x690 [ 469.554313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.558569] call_timer_fn+0x272/0x920 [ 469.562460] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.566699] ? process_timeout+0x40/0x40 [ 469.570778] ? mark_held_locks+0xc7/0x130 [ 469.574932] ? _raw_spin_unlock_irq+0x27/0x80 [ 469.579433] ? _raw_spin_unlock_irq+0x27/0x80 [ 469.583931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.588174] ? lockdep_hardirqs_on+0x296/0x5b0 [ 469.592788] ? trace_hardirqs_on+0xbd/0x310 [ 469.597114] ? kasan_check_read+0x11/0x20 [ 469.601265] ? __run_timers+0x7da/0xc70 [ 469.605239] ? trace_hardirqs_off_caller+0x310/0x310 [ 469.610350] ? tcp_compressed_ack_kick+0x220/0x220 [ 469.615304] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 469.619542] __run_timers+0x7e5/0xc70 [ 469.623364] ? timer_fixup_init+0x70/0x70 [ 469.627516] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 469.632534] ? zap_class+0x640/0x640 [ 469.636260] ? print_usage_bug+0xc0/0xc0 [ 469.640333] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 469.645532] ? find_held_lock+0x36/0x1c0 [ 469.649599] ? zap_class+0x640/0x640 [ 469.653335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.658889] ? check_preemption_disabled+0x48/0x280 [ 469.663916] ? __lock_is_held+0xb5/0x140 [ 469.667985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.673539] ? check_preemption_disabled+0x48/0x280 [ 469.678601] run_timer_softirq+0x52/0xb0 [ 469.682665] ? rcu_read_lock_sched_held+0x14f/0x180 [ 469.687687] __do_softirq+0x308/0xb7e [ 469.691506] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 469.696015] ? lock_downgrade+0x900/0x900 [ 469.700174] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 469.705300] ? pvclock_read_flags+0x160/0x160 [ 469.709799] ? lapic_next_event+0x5a/0x90 [ 469.713969] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.719529] ? kvm_clock_read+0x18/0x30 [ 469.724023] ? kvm_sched_clock_read+0x9/0x20 [ 469.728436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 469.733978] ? check_preemption_disabled+0x48/0x280 [ 469.739011] irq_exit+0x17f/0x1c0 [ 469.742484] smp_apic_timer_interrupt+0x1cb/0x760 [ 469.747334] ? smp_reschedule_interrupt+0x109/0x650 [ 469.752358] ? smp_call_function_single_interrupt+0x650/0x650 [ 469.758243] ? interrupt_entry+0xb5/0xc0 [ 469.762308] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.767323] ? trace_hardirqs_off_caller+0xbb/0x310 [ 469.772348] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.777571] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.782585] ? trace_hardirqs_on_caller+0x310/0x310 [ 469.787619] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 469.792476] apic_timer_interrupt+0xf/0x20 [ 469.796794] [ 469.799033] RIP: 0010:dump_stack+0x358/0x39d [ 469.803446] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 469.822353] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 469.830065] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 469.837332] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 469.844601] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 469.851891] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 469.859165] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 469.866462] ? dump_stack+0x34f/0x39d [ 469.870298] ? dump_stack_print_info.cold.1+0x20/0x20 [ 469.875510] dump_header+0x27b/0xf72 [ 469.879240] ? mark_held_locks+0x130/0x130 [ 469.883494] ? pagefault_out_of_memory+0x197/0x197 [ 469.888432] ? __lock_acquire+0x62f/0x4c20 [ 469.892688] ? zap_class+0x640/0x640 [ 469.896419] ? percpu_ref_get_many+0x240/0x240 [ 469.901003] ? print_usage_bug+0xc0/0xc0 [ 469.905093] ? print_usage_bug+0xc0/0xc0 [ 469.909161] ? zap_class+0x640/0x640 [ 469.912883] ? print_usage_bug+0xc0/0xc0 [ 469.916943] ? print_usage_bug+0xc0/0xc0 [ 469.921029] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 469.926585] ? find_held_lock+0x36/0x1c0 [ 469.930667] ? mark_held_locks+0xc7/0x130 [ 469.934823] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 469.939932] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 469.945078] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 469.949672] ? trace_hardirqs_on+0xbd/0x310 [ 469.953995] ? kasan_check_read+0x11/0x20 [ 469.958149] ? ___ratelimit+0x3b4/0x672 [ 469.962130] ? trace_hardirqs_off_caller+0x310/0x310 [ 469.967247] ? trace_hardirqs_on+0x310/0x310 [ 469.971659] ? lock_downgrade+0x900/0x900 [ 469.975821] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 469.980926] ? ___ratelimit+0x3b9/0x672 [ 469.984913] ? idr_get_free+0xec0/0xec0 [ 469.988888] ? find_held_lock+0x36/0x1c0 [ 469.992973] oom_kill_process.cold.27+0x10/0x903 [ 469.997730] ? zap_class+0x640/0x640 [ 470.001443] ? check_preemption_disabled+0x48/0x280 [ 470.006467] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 470.011399] ? kasan_check_read+0x11/0x20 [ 470.015551] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 470.020833] ? oom_evaluate_task+0x540/0x540 [ 470.025276] ? find_held_lock+0x36/0x1c0 [ 470.029349] ? out_of_memory+0x974/0x1430 [ 470.033500] ? lock_downgrade+0x900/0x900 [ 470.037649] ? check_preemption_disabled+0x48/0x280 [ 470.042675] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 470.047606] ? kasan_check_read+0x11/0x20 [ 470.051755] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 470.057034] ? rcu_softirq_qs+0x20/0x20 [ 470.061016] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.066556] ? oom_evaluate_task+0x302/0x540 [ 470.070977] out_of_memory+0xa84/0x1430 [ 470.074969] ? oom_killer_disable+0x3a0/0x3a0 [ 470.079466] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 470.084402] ? __mutex_add_waiter+0x2a0/0x2a0 [ 470.088911] __alloc_pages_slowpath+0x22d4/0x2d70 [ 470.093812] ? warn_alloc+0x120/0x120 [ 470.097612] ? rcu_softirq_qs+0x20/0x20 [ 470.101626] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.107167] ? should_fail+0x22d/0xd01 [ 470.111074] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.116193] ? zap_class+0x640/0x640 [ 470.119939] ? __lock_is_held+0xb5/0x140 [ 470.124029] ? mark_held_locks+0x130/0x130 [ 470.128267] ? lock_release+0xa00/0xa00 [ 470.132246] ? perf_trace_sched_process_exec+0x860/0x860 [ 470.137715] ? __might_sleep+0x95/0x190 [ 470.141695] __alloc_pages_nodemask+0xa80/0xde0 [ 470.146377] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 470.151395] ? __page_cache_alloc+0x191/0x5c0 [ 470.155893] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 470.160823] ? kasan_check_read+0x11/0x20 [ 470.164979] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 470.170262] ? zap_class+0x640/0x640 [ 470.173989] ? zap_class+0x640/0x640 [ 470.177702] ? zap_class+0x640/0x640 [ 470.181419] ? __do_page_cache_readahead+0x7ce/0x980 [ 470.186526] ? find_held_lock+0x36/0x1c0 [ 470.190597] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 470.196142] alloc_pages_current+0x173/0x350 [ 470.200560] __page_cache_alloc+0x38c/0x5c0 [ 470.204888] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 470.209817] ? kasan_check_read+0x11/0x20 [ 470.213973] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 470.219253] ? generic_perform_write+0x6a0/0x6a0 [ 470.224034] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.229571] ? check_preemption_disabled+0x48/0x280 [ 470.234596] filemap_fault+0x1594/0x25f0 [ 470.238675] ? __lock_page_or_retry+0xa00/0xa00 [ 470.243351] ? mark_held_locks+0x130/0x130 [ 470.247586] ? rcu_softirq_qs+0x20/0x20 [ 470.251579] ? filemap_map_pages+0xe04/0x1990 [ 470.256098] ? __free_object+0x173/0x340 [ 470.260177] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 470.265118] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.270231] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 470.274915] ? debug_object_free+0x32d/0x690 [ 470.279326] ? kasan_check_read+0x11/0x20 [ 470.283476] ? debug_object_destroy+0x2b0/0x2b0 [ 470.288149] ? lock_pi_update_atomic+0x150/0x150 [ 470.292903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.298440] ? __hrtimer_init+0xdb/0x240 [ 470.302515] ? lock_acquire+0x1ed/0x520 [ 470.306498] ? ext4_filemap_fault+0x7a/0xad [ 470.310830] ? lock_release+0xa00/0xa00 [ 470.314810] ? perf_trace_sched_process_exec+0x860/0x860 [ 470.320264] ? print_usage_bug+0xc0/0xc0 [ 470.324328] ? print_usage_bug+0xc0/0xc0 [ 470.328409] ? down_read+0x8d/0x120 [ 470.332038] ? ext4_filemap_fault+0x7a/0xad [ 470.336362] ? __down_interruptible+0x700/0x700 [ 470.341080] ext4_filemap_fault+0x82/0xad [ 470.345245] __do_fault+0x100/0x6b0 [ 470.348889] ? pmd_devmap_trans_unstable+0x220/0x220 [ 470.354006] ? mark_held_locks+0x130/0x130 [ 470.358283] ? mark_held_locks+0x130/0x130 [ 470.362519] ? debug_smp_processor_id+0x1c/0x20 [ 470.367194] ? perf_trace_lock+0x14d/0x7a0 [ 470.371435] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.376983] __handle_mm_fault+0x307c/0x5920 [ 470.381406] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 470.386251] ? lock_is_held_type+0x210/0x210 [ 470.390682] ? zap_class+0x640/0x640 [ 470.394395] ? zap_class+0x640/0x640 [ 470.398113] ? __x64_sys_futex+0x53e/0x6a0 [ 470.402352] ? find_held_lock+0x36/0x1c0 [ 470.406451] ? handle_mm_fault+0x42a/0xc70 [ 470.410691] ? lock_downgrade+0x900/0x900 [ 470.414838] ? check_preemption_disabled+0x48/0x280 [ 470.419860] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 470.424789] ? kasan_check_read+0x11/0x20 [ 470.428938] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 470.434227] ? rcu_softirq_qs+0x20/0x20 [ 470.438208] ? trace_hardirqs_off_caller+0x310/0x310 [ 470.443319] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.448854] ? check_preemption_disabled+0x48/0x280 [ 470.453886] handle_mm_fault+0x54f/0xc70 [ 470.457956] ? __handle_mm_fault+0x5920/0x5920 [ 470.462546] ? find_vma+0x34/0x190 [ 470.466095] __do_page_fault+0x5e8/0xe60 [ 470.470153] ? trace_hardirqs_off+0xb8/0x310 [ 470.474566] ? trace_hardirqs_off+0xb8/0x310 [ 470.478998] do_page_fault+0xf2/0x7e0 [ 470.482806] ? vmalloc_sync_all+0x30/0x30 [ 470.486962] ? error_entry+0x70/0xd0 [ 470.490679] ? trace_hardirqs_off_caller+0xbb/0x310 [ 470.495694] ? trace_hardirqs_on_caller+0xc0/0x310 [ 470.500626] ? syscall_return_slowpath+0x5e0/0x5e0 [ 470.505555] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 470.510403] ? trace_hardirqs_on_caller+0x310/0x310 [ 470.515417] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 470.520880] ? prepare_exit_to_usermode+0x291/0x3b0 [ 470.525900] ? page_fault+0x8/0x30 [ 470.529449] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 470.534301] ? page_fault+0x8/0x30 [ 470.537850] page_fault+0x1e/0x30 [ 470.541302] RIP: 0033:0x45ddf3 [ 470.544511] Code: Bad RIP value. [ 470.547871] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 470.553233] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 470.560498] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 470.567770] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 470.575037] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 470.582304] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 470.589600] warn_alloc_show_mem: 1 callbacks suppressed [ 470.589612] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 470.589614] Mem-Info: [ 470.589645] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 470.589645] active_file:13 inactive_file:17 isolated_file:0 [ 470.589645] unevictable:0 dirty:0 writeback:0 unstable:0 [ 470.589645] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 470.589645] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 470.589645] free:13759 free_pcp:161 free_cma:0 [ 470.594994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 470.602013] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 470.604418] Call Trace: [ 470.637534] Node 0 [ 470.646895] [ 470.674580] 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 [ 470.677144] dump_stack+0x244/0x39d [ 470.679344] lowmem_reserve[]: 0 [ 470.681504] ? dump_stack_print_info.cold.1+0x20/0x20 [ 470.706989] 2819 [ 470.710628] warn_alloc.cold.117+0xb7/0x1bd [ 470.713885] 6323 [ 470.719069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 470.721110] 6323 [ 470.725438] ? lock_downgrade+0x900/0x900 [ 470.732345] ? trace_hardirqs_off+0xb8/0x310 [ 470.734388] Node 0 [ 470.738551] ? trace_hardirqs_off+0xb8/0x310 [ 470.742998] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 470.745223] __alloc_pages_slowpath+0x2660/0x2d70 [ 470.749596] lowmem_reserve[]: 0 [ 470.776371] ? warn_alloc+0x120/0x120 [ 470.781167] 0 [ 470.784455] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 470.788225] 3503 [ 470.790038] ? warn_alloc+0x120/0x120 [ 470.795036] 3503 [ 470.797103] ? print_usage_bug+0xc0/0xc0 [ 470.800883] Node 0 [ 470.802947] ? warn_alloc+0x120/0x120 [ 470.807017] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 470.809227] ? print_usage_bug+0xc0/0xc0 [ 470.812997] lowmem_reserve[]: 0 [ 470.841317] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 470.845357] 0 [ 470.848646] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 470.853804] 0 [ 470.855613] ? should_fail+0x22d/0xd01 [ 470.861126] 0 [ 470.862929] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.866793] Node 0 [ 470.868595] ? __lock_acquire+0x62f/0x4c20 [ 470.873675] DMA: [ 470.875913] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 470.880124] 1*4kB [ 470.882183] ? should_fail+0x22d/0xd01 [ 470.887276] (U) [ 470.889437] ? mark_held_locks+0x130/0x130 [ 470.893292] 0*8kB [ 470.895263] ? mark_held_locks+0x130/0x130 [ 470.899483] 0*16kB [ 470.901631] ? print_usage_bug+0xc0/0xc0 [ 470.905844] 1*32kB [ 470.908082] ? find_held_lock+0x36/0x1c0 [ 470.912118] (U) [ 470.914353] ? zap_class+0x640/0x640 [ 470.918397] 2*64kB [ 470.920373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.924060] (U) [ 470.926298] ? check_preemption_disabled+0x48/0x280 [ 470.931807] 1*128kB (U) [ 470.933800] ? __lock_is_held+0xb5/0x140 [ 470.938792] 1*256kB [ 470.941471] __alloc_pages_nodemask+0xa80/0xde0 [ 470.945503] (U) [ 470.947824] ? zap_class+0x640/0x640 [ 470.952479] 0*512kB [ 470.954461] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 470.958172] 1*1024kB [ 470.960501] ? find_held_lock+0x36/0x1c0 [ 470.965493] (U) [ 470.967912] ? ____cache_alloc_node+0x1c7/0x1e0 [ 470.971937] 1*2048kB (M) [ 470.973923] ? lock_downgrade+0x900/0x900 [ 470.978568] 3*4096kB [ 470.981355] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 470.985479] (M) [ 470.987889] cache_grow_begin+0xa5/0x8c0 [ 470.993404] = 15908kB [ 470.995382] ? do_raw_spin_unlock+0xa7/0x330 [ 470.999417] Node 0 [ 471.001831] fallback_alloc+0x204/0x2e0 [ 471.006267] DMA32: [ 471.008478] ____cache_alloc_node+0x1c7/0x1e0 [ 471.012430] 5*4kB [ 471.014677] kmem_cache_alloc_node+0xe3/0x730 [ 471.019148] (UM) [ 471.021325] ? mark_held_locks+0xc7/0x130 [ 471.025793] 1*8kB (M) [ 471.027875] __alloc_skb+0x119/0x770 [ 471.032007] 3*16kB [ 471.034507] ? netdev_alloc_frag+0x1f0/0x1f0 [ 471.038203] (M) [ 471.040455] ? do_raw_spin_trylock+0x270/0x270 [ 471.044833] 3*32kB (UM) [ 471.046824] ? kmem_cache_alloc_trace+0x353/0x750 [ 471.051379] 2*64kB (M) [ 471.054063] ? queue_work_on+0x12c/0x1e0 [ 471.058874] 2*128kB (M) [ 471.061482] ? switchdev_port_obj_del+0xdc/0x440 [ 471.065514] 4*256kB [ 471.068215] ? switchdev_trans_item_enqueue+0x260/0x260 [ 471.072960] (M) 4*512kB [ 471.075322] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 471.080667] (UM) [ 471.083349] __br_mdb_notify+0x4ff/0x15d0 [ 471.088337] 3*1024kB [ 471.090408] ? __br_mdb_add+0x7f0/0x7f0 [ 471.094524] (UM) [ 471.096979] ? zap_class+0x640/0x640 [ 471.100931] 3*2048kB [ 471.103003] ? br_multicast_group_expired+0x96/0x610 [ 471.106682] (M) 3*4096kB [ 471.109111] ? lock_downgrade+0x900/0x900 [ 471.114191] (M) [ 471.116988] br_mdb_notify+0x310/0x410 [ 471.121111] = 25132kB [ 471.123091] ? br_mdb_dump+0x27b0/0x27b0 [ 471.126956] Node 0 [ 471.129375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.133410] Normal: [ 471.135656] br_multicast_group_expired+0x1bc/0x610 [ 471.141165] 951*4kB [ 471.143495] ? br_mdb_free+0x80/0x80 [ 471.148494] (UMEH) [ 471.150859] call_timer_fn+0x272/0x920 [ 471.154543] 234*8kB [ 471.156776] ? br_mdb_free+0x80/0x80 [ 471.160639] (UME) [ 471.162963] ? process_timeout+0x40/0x40 [ 471.166650] 222*16kB (UMEH) [ 471.168813] ? __run_timers+0x7da/0xc70 [ 471.172845] 132*32kB [ 471.175863] ? _raw_spin_unlock_irq+0x27/0x80 [ 471.179810] (UM) [ 471.182223] ? _raw_spin_unlock_irq+0x27/0x80 [ 471.186698] 1*64kB [ 471.188763] ? br_mdb_free+0x80/0x80 [ 471.193232] (H) [ 471.195476] ? lockdep_hardirqs_on+0x296/0x5b0 [ 471.199168] 0*128kB [ 471.201142] ? trace_hardirqs_on+0xbd/0x310 [ 471.205700] 0*256kB [ 471.208035] ? kasan_check_read+0x11/0x20 [ 471.212332] 1*512kB [ 471.214654] ? __run_timers+0x7da/0xc70 [ 471.218774] (H) [ 471.221094] ? trace_hardirqs_off_caller+0x310/0x310 [ 471.225058] 0*1024kB [ 471.227039] ? br_mdb_free+0x80/0x80 [ 471.232115] 0*2048kB [ 471.234527] ? br_mdb_free+0x80/0x80 [ 471.238216] 0*4096kB = 14028kB [ 471.240649] __run_timers+0x7e5/0xc70 [ 471.244359] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 471.247553] ? timer_fixup_init+0x70/0x70 [ 471.251331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 471.260156] ? kasan_check_read+0x11/0x20 [ 471.264280] 4244 total pagecache pages [ 471.272859] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 471.277007] 0 pages in swap cache [ 471.280883] ? rcu_softirq_qs+0x20/0x20 [ 471.286139] Swap cache stats: add 0, delete 0, find 0/0 [ 471.289582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.293533] Free swap = 0kB [ 471.298905] ? check_preemption_disabled+0x48/0x280 [ 471.304414] Total swap = 0kB [ 471.304422] 1965979 pages RAM [ 471.307454] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 471.312435] 0 pages HighMem/MovableOnly [ 471.312444] 342293 pages reserved [ 471.315470] ? retint_kernel+0x2d/0x2d [ 471.318545] 0 pages cma reserved [ 471.323297] ? trace_hardirqs_on_caller+0xc0/0x310 [ 471.327321] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 471.330699] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 471.334672] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 471.337945] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 471.342866] syz-fuzzer cpuset= [ 471.349352] ? zap_class+0x640/0x640 [ 471.354090] / [ 471.364311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.369742] mems_allowed=0 [ 471.372927] ? check_preemption_disabled+0x48/0x280 [ 471.391778] ? __lock_is_held+0xb5/0x140 [ 471.395841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.401380] ? check_preemption_disabled+0x48/0x280 [ 471.406431] run_timer_softirq+0x52/0xb0 [ 471.410521] ? rcu_read_lock_sched_held+0x14f/0x180 [ 471.415547] __do_softirq+0x308/0xb7e [ 471.419355] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 471.423876] ? lock_downgrade+0x900/0x900 [ 471.428034] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 471.433149] ? pvclock_read_flags+0x160/0x160 [ 471.437664] ? lapic_next_event+0x5a/0x90 [ 471.441820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.447363] ? kvm_clock_read+0x18/0x30 [ 471.451337] ? kvm_sched_clock_read+0x9/0x20 [ 471.455751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.461291] ? check_preemption_disabled+0x48/0x280 [ 471.466325] irq_exit+0x17f/0x1c0 [ 471.469784] smp_apic_timer_interrupt+0x1cb/0x760 [ 471.474627] ? smp_reschedule_interrupt+0x109/0x650 [ 471.479654] ? smp_call_function_single_interrupt+0x650/0x650 [ 471.485558] ? interrupt_entry+0xb5/0xc0 [ 471.489628] ? trace_hardirqs_off_caller+0xbb/0x310 [ 471.494645] ? trace_hardirqs_off_caller+0xbb/0x310 [ 471.499667] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.504516] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.509533] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.514548] ? task_prio+0x50/0x50 [ 471.518088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.523624] ? check_preemption_disabled+0x48/0x280 [ 471.528654] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.533513] apic_timer_interrupt+0xf/0x20 [ 471.537746] [ 471.539990] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 471.544924] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 471.563822] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 471.571540] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 471.578806] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 471.586076] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 471.593342] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 471.600607] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 471.607959] skb_clone+0x1bb/0x500 [ 471.611515] ? finish_task_switch+0x2f4/0x910 [ 471.616034] ? skb_split+0x11e0/0x11e0 [ 471.619939] ? preempt_notifier_register+0x200/0x200 [ 471.625046] ? __switch_to_asm+0x34/0x70 [ 471.629109] ? __switch_to_asm+0x34/0x70 [ 471.633194] ? __switch_to_asm+0x40/0x70 [ 471.637256] ? __switch_to_asm+0x34/0x70 [ 471.641340] ? __switch_to_asm+0x40/0x70 [ 471.645404] ? __switch_to_asm+0x34/0x70 [ 471.649468] ? __switch_to_asm+0x40/0x70 [ 471.653530] ? __switch_to_asm+0x34/0x70 [ 471.657592] ? __switch_to_asm+0x34/0x70 [ 471.661755] ? __switch_to_asm+0x40/0x70 [ 471.665812] ? __switch_to_asm+0x34/0x70 [ 471.669888] bpf_clone_redirect+0xb9/0x490 [ 471.674130] ? __schedule+0x8d7/0x21d0 [ 471.678026] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 471.683045] ? __sched_text_start+0x8/0x8 [ 471.687198] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 471.691786] ? find_held_lock+0x36/0x1c0 [ 471.695872] ? lock_acquire+0x1ed/0x520 [ 471.699900] ? bpf_test_run+0x3cb/0x780 [ 471.703888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.709426] ? check_preemption_disabled+0x48/0x280 [ 471.714465] ? kasan_check_read+0x11/0x20 [ 471.718636] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 471.724164] ? rcu_softirq_qs+0x20/0x20 [ 471.728147] ? preempt_schedule+0x4d/0x60 [ 471.732315] ? ___preempt_schedule+0x16/0x18 [ 471.736733] ? bpf_test_run+0x25d/0x780 [ 471.740722] ? netlink_diag_dump+0x2a0/0x2a0 [ 471.745198] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 471.749960] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 471.754727] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 471.759568] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 471.765109] ? fput+0x130/0x1a0 [ 471.768398] ? __bpf_prog_get+0x9b/0x290 [ 471.772476] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 471.777326] ? bpf_prog_test_run+0x130/0x1a0 [ 471.781758] ? __x64_sys_bpf+0x3d8/0x520 [ 471.785824] ? bpf_prog_get+0x20/0x20 [ 471.789646] ? do_syscall_64+0x1b9/0x820 [ 471.793710] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 471.799079] ? syscall_return_slowpath+0x5e0/0x5e0 [ 471.804011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.808856] ? trace_hardirqs_on_caller+0x310/0x310 [ 471.813873] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 471.818893] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.824430] ? prepare_exit_to_usermode+0x291/0x3b0 [ 471.829477] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 471.834345] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 471.839733] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 471.839773] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 471.846413] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 471.846422] Call Trace: [ 471.852648] rcu: [ 471.862009] [ 471.864583] (detected by 0, t=10675 jiffies, g=44129, q=46) [ 471.866733] dump_stack+0x244/0x39d [ 471.868871] rcu: All QSes seen, last rcu_preempt kthread activity 10441 (4294984333-4294973892), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 471.874582] ? dump_stack_print_info.cold.1+0x20/0x20 [ 471.878189] syz-executor3 R running task [ 471.890861] warn_alloc.cold.117+0xb7/0x1bd [ 471.896040] 20856 18540 5463 0x8010000c [ 471.900709] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 471.905013] Call Trace: [ 471.909157] ? lock_downgrade+0x900/0x900 [ 471.913980] [ 471.916564] ? trace_hardirqs_off+0xb8/0x310 [ 471.920700] sched_show_task.cold.81+0x2b6/0x30a [ 471.922852] ? trace_hardirqs_off+0xb8/0x310 [ 471.927249] ? can_nice.part.74+0x20/0x20 [ 471.931999] __alloc_pages_slowpath+0x2660/0x2d70 [ 471.936393] ? vprintk_default+0x28/0x30 [ 471.940551] ? warn_alloc+0x120/0x120 [ 471.945357] ? vprintk_func+0x85/0x181 [ 471.949407] ? warn_alloc+0x120/0x120 [ 471.953206] ? vprintk_func+0x85/0x181 [ 471.957090] ? print_usage_bug+0xc0/0xc0 [ 471.960884] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 471.964759] ? warn_alloc+0x120/0x120 [ 471.968813] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 471.973555] ? print_usage_bug+0xc0/0xc0 [ 471.977347] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 471.982094] ? __lock_acquire+0x62f/0x4c20 [ 471.986156] print_other_cpu_stall.cold.66+0x7dd/0x8bb [ 471.991686] ? __lock_acquire+0x62f/0x4c20 [ 471.995907] ? print_usage_bug+0xc0/0xc0 [ 472.001193] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 472.005415] ? rcu_qs+0x110/0x110 [ 472.009460] ? should_fail+0x22d/0xd01 [ 472.015012] ? find_held_lock+0x36/0x1c0 [ 472.018458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 472.022342] ? zap_class+0x640/0x640 [ 472.026384] ? __lock_acquire+0x62f/0x4c20 [ 472.031481] ? print_usage_bug+0xc0/0xc0 [ 472.035203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 472.039419] ? check_preemption_disabled+0x48/0x280 [ 472.043479] ? __lock_acquire+0x62f/0x4c20 [ 472.048572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.053586] ? should_fail+0x22d/0xd01 [ 472.057811] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.063348] ? find_held_lock+0x36/0x1c0 [ 472.067227] ? do_trace_rcu_torture_read+0x10/0x10 [ 472.072751] ? mark_held_locks+0x130/0x130 [ 472.076799] ? rcu_preempt_need_deferred_qs+0x74/0x1f0 [ 472.081735] ? mark_held_locks+0x130/0x130 [ 472.085955] ? __lock_is_held+0xb5/0x140 [ 472.091222] ? zap_class+0x640/0x640 [ 472.095462] ? __rcu_read_lock+0x50/0x50 [ 472.099505] ? zap_class+0x640/0x640 [ 472.103201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.103218] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.107271] ? print_usage_bug+0xc0/0xc0 [ 472.110994] ? check_preemption_disabled+0x48/0x280 [ 472.116523] ? do_raw_spin_unlock+0xa7/0x330 [ 472.122056] rcu_check_callbacks+0xfd7/0x13f0 [ 472.126102] ? zap_class+0x640/0x640 [ 472.131114] ? rcutree_dead_cpu+0x10/0x10 [ 472.135506] ? print_usage_bug+0xc0/0xc0 [ 472.139984] ? lock_downgrade+0x900/0x900 [ 472.143696] ? wq_watchdog_touch+0x9c/0xfe [ 472.147847] ? lock_release+0x920/0xa00 [ 472.151898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.156041] ? zap_class+0x640/0x640 [ 472.160274] ? check_preemption_disabled+0x48/0x280 [ 472.164234] ? mark_held_locks+0x130/0x130 [ 472.164249] ? zap_class+0x640/0x640 [ 472.169785] ? __lock_is_held+0xb5/0x140 [ 472.173485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.178494] __alloc_pages_nodemask+0xa80/0xde0 [ 472.182715] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 472.186413] ? zap_class+0x640/0x640 [ 472.190464] ? kvm_set_tsc_khz+0x540/0x540 [ 472.195998] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 472.200658] ? find_held_lock+0x36/0x1c0 [ 472.205248] ? find_held_lock+0x36/0x1c0 [ 472.208947] ? zap_class+0x640/0x640 [ 472.213203] ? ____cache_alloc_node+0x1c7/0x1e0 [ 472.218193] ? timekeeping_advance+0x3cc/0xc00 [ 472.222253] ? lock_downgrade+0x900/0x900 [ 472.226310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.230017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.234685] ? check_preemption_disabled+0x48/0x280 [ 472.239255] cache_grow_begin+0xa5/0x8c0 [ 472.243397] ? trace_hardirqs_off+0xb8/0x310 [ 472.248920] ? do_raw_spin_unlock+0xa7/0x330 [ 472.254441] ? __lock_is_held+0xb5/0x140 [ 472.259447] fallback_alloc+0x204/0x2e0 [ 472.263495] ? trace_hardirqs_on+0x310/0x310 [ 472.267898] ____cache_alloc_node+0x1c7/0x1e0 [ 472.272306] ? check_preemption_disabled+0x48/0x280 [ 472.276356] kmem_cache_alloc_node+0xe3/0x730 [ 472.280350] ? raise_softirq+0x199/0x420 [ 472.284755] ? ipv6_get_ifaddr+0x42e/0x620 [ 472.289237] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 472.294247] __alloc_skb+0x119/0x770 [ 472.298722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.302775] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 472.306996] ? check_preemption_disabled+0x48/0x280 [ 472.311656] ? netdev_alloc_frag+0x1f0/0x1f0 [ 472.315359] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 472.320882] ? lock_downgrade+0x900/0x900 [ 472.326148] ? hrtimer_run_queues+0x9a/0x400 [ 472.331155] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.335555] ? run_local_timers+0x19b/0x230 [ 472.341077] ? refcount_sub_and_test_checked+0x203/0x310 [ 472.345212] ? timer_clear_idle+0x90/0x90 [ 472.349614] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 472.355135] ? debug_smp_processor_id+0x1c/0x20 [ 472.359446] ? addrconf_rs_timer+0x690/0x690 [ 472.364930] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 472.369073] ndisc_alloc_skb+0x144/0x340 [ 472.374506] ? account_process_tick+0x282/0x350 [ 472.379167] ndisc_send_rs+0x331/0x6e0 [ 472.383565] update_process_times+0x2d/0x70 [ 472.389523] addrconf_rs_timer+0x314/0x690 [ 472.393571] tick_sched_handle+0x9f/0x180 [ 472.398227] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 472.402096] tick_sched_timer+0x45/0x130 [ 472.406411] call_timer_fn+0x272/0x920 [ 472.410629] __hrtimer_run_queues+0x41c/0x10d0 [ 472.414763] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 472.418992] ? tick_sched_do_timer+0x1a0/0x1a0 [ 472.423036] ? process_timeout+0x40/0x40 [ 472.426912] ? hrtimer_start_range_ns+0xe00/0xe00 [ 472.431484] ? mark_held_locks+0xc7/0x130 [ 472.435725] ? pvclock_read_flags+0x160/0x160 [ 472.440307] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.444364] ? trace_hardirqs_on+0x310/0x310 [ 472.449200] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.453333] ? zap_class+0x640/0x640 [ 472.457830] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 472.462322] ? kvm_clock_read+0x18/0x30 [ 472.466713] ? lockdep_hardirqs_on+0x296/0x5b0 [ 472.471216] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 472.474921] ? trace_hardirqs_on+0xbd/0x310 [ 472.479147] ? ktime_get_update_offsets_now+0x3b3/0x540 [ 472.483113] ? kasan_check_read+0x11/0x20 [ 472.487682] ? do_timer+0x50/0x50 [ 472.492685] ? __run_timers+0x7da/0xc70 [ 472.496993] ? rwlock_bug.part.2+0x90/0x90 [ 472.502359] ? trace_hardirqs_off_caller+0x310/0x310 [ 472.506494] ? trace_hardirqs_on+0x310/0x310 [ 472.509936] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 472.513899] ? rcu_softirq_qs+0x20/0x20 [ 472.518122] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 472.523224] hrtimer_interrupt+0x313/0x780 [ 472.527612] __run_timers+0x7e5/0xc70 [ 472.531857] smp_apic_timer_interrupt+0x1a1/0x760 [ 472.535812] ? timer_fixup_init+0x70/0x70 [ 472.540044] ? smp_call_function_single_interrupt+0x650/0x650 [ 472.544281] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 472.548080] ? interrupt_entry+0xb5/0xc0 [ 472.552930] ? zap_class+0x640/0x640 [ 472.557066] ? trace_hardirqs_off_caller+0xbb/0x310 [ 472.562972] ? print_usage_bug+0xc0/0xc0 [ 472.567966] ? ____cache_alloc_node+0x1c7/0x1e0 [ 472.572018] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 472.575717] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 472.580725] ? find_held_lock+0x36/0x1c0 [ 472.584772] ? trace_hardirqs_on_caller+0x310/0x310 [ 472.589429] ? zap_class+0x640/0x640 [ 472.594620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 472.599443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.603544] apic_timer_interrupt+0xf/0x20 [ 472.608543] ? check_preemption_disabled+0x48/0x280 [ 472.612252] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 472.617330] ? __lock_is_held+0xb5/0x140 [ 472.622891] Code: 40 7e 0f 85 32 ff ff ff e8 15 92 3e ff e9 28 ff ff ff e8 ac c3 c3 ff 48 83 3d 84 0c 70 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 c2 3b [ 472.627114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.632114] RSP: 0018:ffff8801dae07268 EFLAGS: 00000286 [ 472.637472] ? check_preemption_disabled+0x48/0x280 [ 472.641511] ORIG_RAX: ffffffffffffff13 [ 472.660420] run_timer_softirq+0x52/0xb0 [ 472.665935] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff100373d7996 [ 472.671320] ? rcu_read_lock_sched_held+0x14f/0x180 [ 472.676332] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 472.680301] __do_softirq+0x308/0xb7e [ 472.684352] RBP: ffff8801dae072d8 R08: ffff8801b9ebccb0 R09: 0000000000000002 [ 472.691629] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 472.696630] R10: 0000000000000000 R11: ffff8801b9ebc3c0 R12: ffff8801d9bd2c80 [ 472.703898] ? lock_downgrade+0x900/0x900 [ 472.707683] R13: ffff8801d9bd2c80 R14: 0000000000000000 R15: 0000000000000286 [ 472.714957] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 472.719435] ? apic_timer_interrupt+0xa/0x20 [ 472.726716] ? pvclock_read_flags+0x160/0x160 [ 472.730870] ? mark_held_locks+0xc7/0x130 [ 472.738136] ? lapic_next_event+0x5a/0x90 [ 472.743238] __alloc_skb+0x119/0x770 [ 472.747646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.752163] ? netdev_alloc_frag+0x1f0/0x1f0 [ 472.756287] ? kvm_clock_read+0x18/0x30 [ 472.760423] ? do_raw_spin_trylock+0x270/0x270 [ 472.764143] ? kvm_sched_clock_read+0x9/0x20 [ 472.769672] ? kmem_cache_alloc_trace+0x353/0x750 [ 472.774071] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 472.778038] ? queue_work_on+0x12c/0x1e0 [ 472.782619] ? check_preemption_disabled+0x48/0x280 [ 472.787035] ? switchdev_port_obj_del+0xdc/0x440 [ 472.791867] irq_exit+0x17f/0x1c0 [ 472.797386] ? switchdev_trans_item_enqueue+0x260/0x260 [ 472.801438] smp_apic_timer_interrupt+0x1cb/0x760 [ 472.806480] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 472.811241] ? smp_reschedule_interrupt+0x109/0x650 [ 472.814690] __br_mdb_notify+0x4ff/0x15d0 [ 472.820040] ? smp_call_function_single_interrupt+0x650/0x650 [ 472.824878] ? __br_mdb_add+0x7f0/0x7f0 [ 472.829887] ? interrupt_entry+0xb5/0xc0 [ 472.834910] ? zap_class+0x640/0x640 [ 472.839050] ? trace_hardirqs_off_caller+0xbb/0x310 [ 472.844931] ? br_multicast_group_expired+0x96/0x610 [ 472.848891] ? trace_hardirqs_off_caller+0xbb/0x310 [ 472.852949] ? lock_downgrade+0x900/0x900 [ 472.856664] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 472.861682] br_mdb_notify+0x310/0x410 [ 472.866786] ? trace_hardirqs_on_caller+0x310/0x310 [ 472.871805] ? br_mdb_dump+0x27b0/0x27b0 [ 472.875963] ? trace_hardirqs_on_caller+0x310/0x310 [ 472.880789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 472.884676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 472.889675] br_multicast_group_expired+0x1bc/0x610 [ 472.893729] apic_timer_interrupt+0xf/0x20 [ 472.898728] ? br_mdb_free+0x80/0x80 [ 472.904245] [ 472.909105] call_timer_fn+0x272/0x920 [ 472.914104] RIP: 0010:dump_stack+0x358/0x39d [ 472.918328] ? br_mdb_free+0x80/0x80 [ 472.922077] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 472.924308] ? process_timeout+0x40/0x40 [ 472.928167] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 472.932597] ? __run_timers+0x7da/0xc70 [ 472.936295] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 472.955247] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.959290] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 472.967032] ? _raw_spin_unlock_irq+0x27/0x80 [ 472.970990] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 472.978264] ? br_mdb_free+0x80/0x80 [ 472.982737] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 472.990009] ? lockdep_hardirqs_on+0x296/0x5b0 [ 472.994485] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 473.001749] ? trace_hardirqs_on+0xbd/0x310 [ 473.005459] ? dump_stack+0x34f/0x39d [ 473.012720] ? kasan_check_read+0x11/0x20 [ 473.017299] ? dump_stack_print_info.cold.1+0x20/0x20 [ 473.024565] ? __run_timers+0x7da/0xc70 [ 473.028885] dump_header+0x27b/0xf72 [ 473.032661] ? trace_hardirqs_off_caller+0x310/0x310 [ 473.036806] ? mark_held_locks+0x130/0x130 [ 473.041980] ? br_mdb_free+0x80/0x80 [ 473.045943] ? pagefault_out_of_memory+0x197/0x197 [ 473.049654] ? br_mdb_free+0x80/0x80 [ 473.054747] ? __lock_acquire+0x62f/0x4c20 [ 473.058982] __run_timers+0x7e5/0xc70 [ 473.062683] ? zap_class+0x640/0x640 [ 473.067608] ? timer_fixup_init+0x70/0x70 [ 473.071304] ? percpu_ref_get_many+0x240/0x240 [ 473.075528] ? kasan_check_read+0x11/0x20 [ 473.079321] ? print_usage_bug+0xc0/0xc0 [ 473.083024] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.087154] ? print_usage_bug+0xc0/0xc0 [ 473.091722] ? rcu_softirq_qs+0x20/0x20 [ 473.095860] ? zap_class+0x640/0x640 [ 473.099910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.105173] ? print_usage_bug+0xc0/0xc0 [ 473.109287] ? check_preemption_disabled+0x48/0x280 [ 473.113211] ? print_usage_bug+0xc0/0xc0 [ 473.116928] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 473.122455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.126510] ? retint_kernel+0x2d/0x2d [ 473.131512] ? find_held_lock+0x36/0x1c0 [ 473.135561] ? trace_hardirqs_on_caller+0xc0/0x310 [ 473.140311] ? mark_held_locks+0xc7/0x130 [ 473.145831] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 473.149705] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 473.153756] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 473.158680] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 473.162812] ? zap_class+0x640/0x640 [ 473.167555] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 473.172646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.178078] ? trace_hardirqs_on+0xbd/0x310 [ 473.183193] ? check_preemption_disabled+0x48/0x280 [ 473.186888] ? kasan_check_read+0x11/0x20 [ 473.191481] ? __lock_is_held+0xb5/0x140 [ 473.197008] ? ___ratelimit+0x3b4/0x672 [ 473.201318] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.206322] ? trace_hardirqs_off_caller+0x310/0x310 [ 473.210463] ? check_preemption_disabled+0x48/0x280 [ 473.214506] ? trace_hardirqs_on+0x310/0x310 [ 473.218483] run_timer_softirq+0x52/0xb0 [ 473.224003] ? lock_downgrade+0x900/0x900 [ 473.229093] ? rcu_read_lock_sched_held+0x14f/0x180 [ 473.234097] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 473.238506] __do_softirq+0x308/0xb7e [ 473.242567] ? ___ratelimit+0x3b9/0x672 [ 473.246700] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 473.251707] ? idr_get_free+0xec0/0xec0 [ 473.256808] ? lock_downgrade+0x900/0x900 [ 473.256828] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 473.260619] ? find_held_lock+0x36/0x1c0 [ 473.264592] ? pvclock_read_flags+0x160/0x160 [ 473.269093] oom_kill_process.cold.27+0x10/0x903 [ 473.273050] ? lapic_next_event+0x5a/0x90 [ 473.277185] ? zap_class+0x640/0x640 [ 473.282287] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.286341] ? check_preemption_disabled+0x48/0x280 [ 473.290828] ? kvm_clock_read+0x18/0x30 [ 473.295574] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 473.299717] ? kvm_sched_clock_read+0x9/0x20 [ 473.303425] ? kasan_check_read+0x11/0x20 [ 473.308944] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.313960] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.317915] ? check_preemption_disabled+0x48/0x280 [ 473.322835] ? oom_evaluate_task+0x540/0x540 [ 473.327241] irq_exit+0x17f/0x1c0 [ 473.331383] ? find_held_lock+0x36/0x1c0 [ 473.336912] smp_apic_timer_interrupt+0x1cb/0x760 [ 473.342182] ? out_of_memory+0x974/0x1430 [ 473.347202] ? smp_reschedule_interrupt+0x109/0x650 [ 473.351601] ? lock_downgrade+0x900/0x900 [ 473.355050] ? smp_call_function_single_interrupt+0x650/0x650 [ 473.359103] ? check_preemption_disabled+0x48/0x280 [ 473.363950] ? interrupt_entry+0xb5/0xc0 [ 473.368098] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 473.373098] ? trace_hardirqs_off_caller+0xbb/0x310 [ 473.377257] ? kasan_check_read+0x11/0x20 [ 473.383130] ? trace_hardirqs_off_caller+0xbb/0x310 [ 473.388134] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.392205] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.397114] ? rcu_softirq_qs+0x20/0x20 [ 473.402120] ? trace_hardirqs_on_caller+0x310/0x310 [ 473.406258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.411264] ? trace_hardirqs_on_caller+0x310/0x310 [ 473.416542] ? oom_evaluate_task+0x302/0x540 [ 473.421367] ? task_prio+0x50/0x50 [ 473.425339] out_of_memory+0xa84/0x1430 [ 473.430344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.435876] ? oom_killer_disable+0x3a0/0x3a0 [ 473.440877] ? check_preemption_disabled+0x48/0x280 [ 473.445275] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 473.448804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.452768] ? __mutex_add_waiter+0x2a0/0x2a0 [ 473.458314] apic_timer_interrupt+0xf/0x20 [ 473.462800] __alloc_pages_slowpath+0x22d4/0x2d70 [ 473.467791] [ 473.472756] ? warn_alloc+0x120/0x120 [ 473.477564] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 473.482044] ? rcu_softirq_qs+0x20/0x20 [ 473.486266] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 473.491120] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.493316] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 [ 473.497123] ? should_fail+0x22d/0xd01 [ 473.502027] ORIG_RAX: ffffffffffffff13 [ 473.505997] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 473.524902] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 473.530432] ? zap_class+0x640/0x640 [ 473.535792] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 473.535805] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 473.539714] ? __lock_is_held+0xb5/0x140 [ 473.543649] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 473.548752] ? mark_held_locks+0x130/0x130 [ 473.555998] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 473.559700] ? lock_release+0xa00/0xa00 [ 473.566991] skb_clone+0x1bb/0x500 [ 473.574231] ? perf_trace_sched_process_exec+0x860/0x860 [ 473.578275] ? finish_task_switch+0x2f4/0x910 [ 473.585547] ? __might_sleep+0x95/0x190 [ 473.589760] ? skb_split+0x11e0/0x11e0 [ 473.597027] __alloc_pages_nodemask+0xa80/0xde0 [ 473.600991] ? preempt_notifier_register+0x200/0x200 [ 473.604523] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 473.609986] ? __switch_to_asm+0x34/0x70 [ 473.614481] ? __page_cache_alloc+0x191/0x5c0 [ 473.618440] ? __switch_to_asm+0x34/0x70 [ 473.622319] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 473.626971] ? __switch_to_asm+0x40/0x70 [ 473.632061] ? kasan_check_read+0x11/0x20 [ 473.637064] ? __switch_to_asm+0x34/0x70 [ 473.641114] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.645593] ? __switch_to_asm+0x40/0x70 [ 473.649645] ? zap_class+0x640/0x640 [ 473.654563] ? __switch_to_asm+0x34/0x70 [ 473.658612] ? zap_class+0x640/0x640 [ 473.662757] ? __switch_to_asm+0x40/0x70 [ 473.666812] ? zap_class+0x640/0x640 [ 473.672075] ? __switch_to_asm+0x34/0x70 [ 473.676134] ? __do_page_cache_readahead+0x7ce/0x980 [ 473.679837] ? __switch_to_asm+0x34/0x70 [ 473.683901] ? find_held_lock+0x36/0x1c0 [ 473.687603] ? __switch_to_asm+0x40/0x70 [ 473.691653] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 473.695352] ? __switch_to_asm+0x34/0x70 [ 473.699419] alloc_pages_current+0x173/0x350 [ 473.704513] bpf_clone_redirect+0xb9/0x490 [ 473.708556] __page_cache_alloc+0x38c/0x5c0 [ 473.712603] ? __schedule+0x8d7/0x21d0 [ 473.716653] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 473.722542] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 473.726597] ? kasan_check_read+0x11/0x20 [ 473.730998] ? __sched_text_start+0x8/0x8 [ 473.735232] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.739557] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 473.743448] ? generic_perform_write+0x6a0/0x6a0 [ 473.748384] ? find_held_lock+0x36/0x1c0 [ 473.753391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 473.757529] ? lock_acquire+0x1ed/0x520 [ 473.761674] ? check_preemption_disabled+0x48/0x280 [ 473.766937] ? bpf_test_run+0x3cb/0x780 [ 473.771528] filemap_fault+0x1594/0x25f0 [ 473.776292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.780351] ? __lock_page_or_retry+0xa00/0xa00 [ 473.785864] ? check_preemption_disabled+0x48/0x280 [ 473.789828] ? mark_held_locks+0x130/0x130 [ 473.794830] ? kasan_check_read+0x11/0x20 [ 473.798792] ? rcu_softirq_qs+0x20/0x20 [ 473.802843] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 473.808379] ? filemap_map_pages+0xe04/0x1990 [ 473.813023] ? rcu_softirq_qs+0x20/0x20 [ 473.818037] ? __free_object+0x173/0x340 [ 473.822257] ? preempt_schedule+0x4d/0x60 [ 473.826388] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 473.830368] ? ___preempt_schedule+0x16/0x18 [ 473.835635] ? trace_hardirqs_off_caller+0x310/0x310 [ 473.840138] ? bpf_test_run+0x25d/0x780 [ 473.844125] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 473.848200] ? netlink_diag_dump+0x2a0/0x2a0 [ 473.852344] ? debug_object_free+0x32d/0x690 [ 473.857257] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 473.861655] ? kasan_check_read+0x11/0x20 [ 473.866749] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 473.870708] ? debug_object_destroy+0x2b0/0x2b0 [ 473.875371] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 473.879765] ? lock_pi_update_atomic+0x150/0x150 [ 473.884158] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 473.888920] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 473.893098] ? fput+0x130/0x1a0 [ 473.897838] ? __hrtimer_init+0xdb/0x240 [ 473.902495] ? __bpf_prog_get+0x9b/0x290 [ 473.907341] ? lock_acquire+0x1ed/0x520 [ 473.912076] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 473.917603] ? ext4_filemap_fault+0x7a/0xad [ 473.923123] ? bpf_prog_test_run+0x130/0x1a0 [ 473.926391] ? lock_release+0xa00/0xa00 [ 473.930442] ? __x64_sys_bpf+0x3d8/0x520 [ 473.934495] ? perf_trace_sched_process_exec+0x860/0x860 [ 473.938457] ? bpf_prog_get+0x20/0x20 [ 473.943278] ? print_usage_bug+0xc0/0xc0 [ 473.947604] ? do_syscall_64+0x1b9/0x820 [ 473.951985] ? print_usage_bug+0xc0/0xc0 [ 473.955952] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 473.960009] ? down_read+0x8d/0x120 [ 473.965455] ? syscall_return_slowpath+0x5e0/0x5e0 [ 473.969237] ? ext4_filemap_fault+0x7a/0xad [ 473.973285] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 473.977336] ? __down_interruptible+0x700/0x700 [ 473.981389] ? trace_hardirqs_on_caller+0x310/0x310 [ 473.986760] ext4_filemap_fault+0x82/0xad [ 473.990369] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 473.995301] __do_fault+0x100/0x6b0 [ 473.999613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.004457] ? pmd_devmap_trans_unstable+0x220/0x220 [ 474.009118] ? prepare_exit_to_usermode+0x291/0x3b0 [ 474.014121] ? mark_held_locks+0x130/0x130 [ 474.018256] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.023258] ? mark_held_locks+0x130/0x130 [ 474.026878] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 474.032398] ? debug_smp_processor_id+0x1c/0x20 [ 474.037511] rcu: rcu_preempt kthread starved for 10441 jiffies! g44129 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=0 [ 474.042507] ? perf_trace_lock+0x14d/0x7a0 [ 474.046727] rcu: RCU grace-period kthread stack dump: [ 474.051580] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 474.055797] rcu_preempt R [ 474.061166] __handle_mm_fault+0x307c/0x5920 [ 474.065808] running task [ 474.076295] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 474.080524] 22568 10 2 0x80000000 [ 474.085705] ? lock_is_held_type+0x210/0x210 [ 474.091218] Call Trace: [ 474.094336] ? zap_class+0x640/0x640 [ 474.098723] __schedule+0x8cf/0x21d0 [ 474.101898] ? zap_class+0x640/0x640 [ 474.106738] ? __sched_text_start+0x8/0x8 [ 474.110887] ? __x64_sys_futex+0x53e/0x6a0 [ 474.115296] ? add_timer_on+0xa20/0xa20 [ 474.117859] ? find_held_lock+0x36/0x1c0 [ 474.121560] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 474.125266] ? handle_mm_fault+0x42a/0xc70 [ 474.128973] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 474.133118] ? lock_downgrade+0x900/0x900 [ 474.137343] ? trace_hardirqs_on+0xbd/0x310 [ 474.141304] ? check_preemption_disabled+0x48/0x280 [ 474.145353] ? kasan_check_read+0x11/0x20 [ 474.150457] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 474.154692] ? prepare_to_swait_event+0x25a/0x800 [ 474.159780] ? kasan_check_read+0x11/0x20 [ 474.163913] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.168239] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 474.173243] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 474.177377] ? rcu_softirq_qs+0x20/0x20 [ 474.182297] schedule+0xfe/0x460 [ 474.187124] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.191294] ? __schedule+0x21d0/0x21d0 [ 474.196381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 474.201652] ? prepare_to_swait_event+0x25a/0x800 [ 474.206744] ? check_preemption_disabled+0x48/0x280 [ 474.210711] ? __init_swait_queue_head+0x150/0x150 [ 474.214073] handle_mm_fault+0x54f/0xc70 [ 474.219156] ? __lockdep_init_map+0x105/0x590 [ 474.223119] ? __handle_mm_fault+0x5920/0x5920 [ 474.228644] ? lockdep_init_map+0x9/0x10 [ 474.233482] ? find_vma+0x34/0x190 [ 474.238484] schedule_timeout+0x140/0x260 [ 474.243405] __do_page_fault+0x5e8/0xe60 [ 474.247457] ? usleep_range+0x1a0/0x1a0 [ 474.251931] ? trace_hardirqs_off+0xb8/0x310 [ 474.256500] ? __next_timer_interrupt+0x1a0/0x1a0 [ 474.260546] ? trace_hardirqs_off+0xb8/0x310 [ 474.264084] rcu_gp_fqs_loop+0x762/0xa80 [ 474.268220] do_page_fault+0xf2/0x7e0 [ 474.272285] ? rcu_gp_fqs_check_wake+0x170/0x170 [ 474.276243] ? vmalloc_sync_all+0x30/0x30 [ 474.280650] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.285479] ? error_entry+0x70/0xd0 [ 474.289879] ? perf_trace_sched_process_exec+0x860/0x860 [ 474.293928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 474.297715] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.302467] ? trace_hardirqs_on_caller+0xc0/0x310 [ 474.306623] ? rcu_gp_init+0x90b/0x1260 [ 474.311711] ? syscall_return_slowpath+0x5e0/0x5e0 [ 474.315454] ? dump_blkd_tasks.isra.48+0xe0/0xe0 [ 474.320884] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.325882] ? rcu_accelerate_cbs+0x562/0xae0 [ 474.331408] ? trace_hardirqs_on_caller+0x310/0x310 [ 474.336340] ? zap_class+0x640/0x640 [ 474.340309] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 474.345230] ? zap_class+0x640/0x640 [ 474.349983] ? prepare_exit_to_usermode+0x291/0x3b0 [ 474.354820] ? __lock_is_held+0xb5/0x140 [ 474.359325] ? page_fault+0x8/0x30 [ 474.364332] ? __lock_is_held+0xb5/0x140 [ 474.368030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 474.373472] ? zap_class+0x640/0x640 [ 474.377181] ? page_fault+0x8/0x30 [ 474.382188] ? rcu_accelerate_cbs+0x562/0xae0 [ 474.386275] page_fault+0x1e/0x30 [ 474.389824] ? find_held_lock+0x36/0x1c0 [ 474.393865] RIP: 0033:0x45ddf3 [ 474.398703] ? rcu_gp_kthread+0x8cf/0xc70 [ 474.402407] Code: Bad RIP value. [ 474.405921] ? _raw_spin_unlock_irq+0x27/0x80 [ 474.410394] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 474.413850] ? _raw_spin_unlock_irq+0x27/0x80 [ 474.417899] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 474.421083] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 474.425229] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 474.428583] ? trace_hardirqs_on+0xbd/0x310 [ 474.433063] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 474.438415] ? kasan_check_read+0x11/0x20 [ 474.442894] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 474.450160] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.454718] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 474.454751] warn_alloc_show_mem: 1 callbacks suppressed [ 474.454756] Mem-Info: [ 474.461998] ? perf_trace_sched_process_exec+0x860/0x860 [ 474.466321] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 474.466321] active_file:13 inactive_file:17 isolated_file:0 [ 474.466321] unevictable:0 dirty:0 writeback:0 unstable:0 [ 474.466321] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 474.466321] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 474.466321] free:13759 free_pcp:161 free_cma:0 [ 474.473566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 474.477718] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 474.484970] rcu_gp_kthread+0x341/0xc70 [ 474.490050] Node 0 [ 474.497326] ? rcu_gp_init+0x1260/0x1260 [ 474.502691] 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 [ 474.505089] ? mark_held_locks+0x130/0x130 [ 474.510514] lowmem_reserve[]: 0 [ 474.543510] ? __schedule+0x168a/0x21d0 [ 474.549029] 2819 [ 474.576700] ? _raw_spin_unlock_irq+0x27/0x80 [ 474.580657] 6323 [ 474.582901] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 474.586944] 6323 [ 474.612443] ? trace_hardirqs_on+0xbd/0x310 [ 474.616861] Node 0 [ 474.620146] ? kasan_check_read+0x11/0x20 [ 474.624132] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 474.626170] ? __schedule+0x168a/0x21d0 [ 474.630641] lowmem_reserve[]: [ 474.632702] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.637264] 0 [ 474.639328] ? lock_pin_lock+0x350/0x350 [ 474.643631] 0 [ 474.645897] ? _raw_spin_unlock_irq+0x60/0x80 [ 474.650016] 3503 [ 474.676735] ? __schedule+0x168a/0x21d0 [ 474.680691] 3503 [ 474.683793] ? __switch_to_asm+0x40/0x70 [ 474.688873] Node 0 [ 474.690673] ? __switch_to_asm+0x40/0x70 [ 474.694749] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 474.696550] ? __update_load_avg_se+0x961/0xae0 [ 474.701015] lowmem_reserve[]: [ 474.703082] ? __sched_text_start+0x8/0x8 [ 474.707032] 0 [ 474.709100] ? find_held_lock+0x36/0x1c0 [ 474.713128] 0 0 [ 474.715376] ? __kthread_parkme+0xce/0x1a0 [ 474.719400] 0 [ 474.747685] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 474.752335] Node 0 [ 474.755440] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 474.759565] DMA: [ 474.761366] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 474.765406] 1*4kB [ 474.767377] ? trace_hardirqs_on+0xbd/0x310 [ 474.771590] (U) [ 474.773393] ? kasan_check_read+0x11/0x20 [ 474.778472] 0*8kB [ 474.780710] ? __kthread_parkme+0xce/0x1a0 [ 474.785795] 0*16kB [ 474.787852] ? trace_hardirqs_off_caller+0x310/0x310 [ 474.792406] 1*32kB (U) [ 474.794577] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 474.798870] 2*64kB [ 474.800843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 474.804973] (U) [ 474.807119] ? __kthread_parkme+0xfb/0x1a0 [ 474.811333] 1*128kB [ 474.813572] kthread+0x35a/0x420 [ 474.818650] (U) [ 474.821234] ? rcu_gp_init+0x1260/0x1260 [ 474.826310] 1*256kB (U) [ 474.828554] ? kthread_stop+0x900/0x900 [ 474.834062] 0*512kB 1*1024kB [ 474.836043] ret_from_fork+0x3a/0x50 [ 474.840257] (U) [ 474.842887] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 474.845942] 1*2048kB (M) 3*4096kB (M) [ 474.848154] syz-executor3 cpuset= [ 474.852244] = 15908kB [ 474.852249] Node 0 DMA32: 5*4kB [ 474.855108] syz3 [ 474.859001] (UM) 1*8kB (M) 3*16kB (M) 3*32kB (UM) 2*64kB (M) 2*128kB (M) 4*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25132kB [ 474.862358] mems_allowed=0 [ 474.866065] Node 0 [ 474.868039] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 474.878516] Normal: [ 474.882400] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 474.885836] 951*4kB [ 474.888236] Call Trace: [ 474.891586] (UMEH) [ 474.893557] [ 474.906891] 234*8kB [ 474.909819] dump_stack+0x244/0x39d [ 474.912050] (UME) [ 474.919061] ? dump_stack_print_info.cold.1+0x20/0x20 [ 474.921366] 222*16kB [ 474.930729] warn_alloc.cold.117+0xb7/0x1bd [ 474.933021] (UMEH) [ 474.935603] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 474.937825] 132*32kB [ 474.939971] ? lock_downgrade+0x900/0x900 [ 474.942275] (UM) [ 474.945915] ? trace_hardirqs_off+0xb8/0x310 [ 474.948044] 1*64kB [ 474.953260] ? trace_hardirqs_off+0xb8/0x310 [ 474.955652] (H) [ 474.959973] __alloc_pages_slowpath+0x2660/0x2d70 [ 474.962192] 0*128kB [ 474.967054] ? warn_alloc+0x120/0x120 [ 474.969422] 0*256kB [ 474.973571] ? warn_alloc+0x120/0x120 [ 474.975610] 1*512kB (H) [ 474.980048] ? print_usage_bug+0xc0/0xc0 [ 474.982259] 0*1024kB 0*2048kB [ 474.986667] ? warn_alloc+0x120/0x120 [ 474.988632] 0*4096kB [ 474.993474] ? print_usage_bug+0xc0/0xc0 [ 474.995781] = 14028kB [ 474.999579] ? check_usage_forwards+0x3d0/0x3d0 [ 475.001889] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 475.005680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 475.008340] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 475.012395] ? should_fail+0x22d/0xd01 [ 475.015581] 4244 total pagecache pages [ 475.019373] ? __bfs+0x321/0x780 [ 475.021789] 0 pages in swap cache [ 475.025835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 475.028232] Swap cache stats: add 0, delete 0, find 0/0 [ 475.032895] ? __lock_acquire+0x62f/0x4c20 [ 475.041712] Free swap = 0kB [ 475.047267] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 475.055823] Total swap = 0kB [ 475.059708] ? __lock_acquire+0x62f/0x4c20 [ 475.063578] 1965979 pages RAM [ 475.066954] ? should_fail+0x22d/0xd01 [ 475.070391] 0 pages HighMem/MovableOnly [ 475.075493] ? mark_held_locks+0x130/0x130 [ 475.080828] 342293 pages reserved [ 475.080837] 0 pages cma reserved [ 475.085070] ? mark_held_locks+0x130/0x130 [ 475.088134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 475.093169] ? kasan_check_read+0x11/0x20 [ 475.096244] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 475.100400] ? __lock_acquire+0x2aff/0x4c20 [ 475.103488] syz-fuzzer cpuset= [ 475.107378] ? zap_class+0x640/0x640 [ 475.111332] / [ 475.115564] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.119005] mems_allowed=0 [ 475.122367] ? check_preemption_disabled+0x48/0x280 [ 475.173720] ? __lock_is_held+0xb5/0x140 [ 475.177786] __alloc_pages_nodemask+0xa80/0xde0 [ 475.182457] ? zap_class+0x640/0x640 [ 475.186174] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 475.191206] ? find_held_lock+0x36/0x1c0 [ 475.195282] ? ____cache_alloc_node+0x1c7/0x1e0 [ 475.199952] ? lock_downgrade+0x900/0x900 [ 475.204108] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.209667] cache_grow_begin+0xa5/0x8c0 [ 475.213733] ? do_raw_spin_unlock+0xa7/0x330 [ 475.218150] fallback_alloc+0x204/0x2e0 [ 475.222132] ____cache_alloc_node+0x1c7/0x1e0 [ 475.226632] kmem_cache_alloc_node+0xe3/0x730 [ 475.231125] ? do_raw_spin_unlock+0xa7/0x330 [ 475.235533] ? do_raw_spin_trylock+0x270/0x270 [ 475.240119] __alloc_skb+0x119/0x770 [ 475.243838] ? netdev_alloc_frag+0x1f0/0x1f0 [ 475.248255] ? atomic_notifier_call_chain+0xc6/0x190 [ 475.253358] ? lock_downgrade+0x900/0x900 [ 475.257520] ? check_preemption_disabled+0x48/0x280 [ 475.262557] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 475.267483] ? kasan_check_read+0x11/0x20 [ 475.271654] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 475.276974] ? rcu_softirq_qs+0x20/0x20 [ 475.280943] ? kasan_check_read+0x11/0x20 [ 475.285097] ? do_raw_write_trylock+0x270/0x270 [ 475.289793] __neigh_notify+0x8c/0x160 [ 475.293687] ? neigh_connected_output+0x780/0x780 [ 475.298539] neigh_timer_handler+0x6cb/0xdf0 [ 475.302952] ? check_preemption_disabled+0x48/0x280 [ 475.307988] ? __neigh_for_each_release+0x520/0x520 [ 475.313007] ? __lock_is_held+0xb5/0x140 [ 475.317092] call_timer_fn+0x272/0x920 [ 475.320994] ? __neigh_for_each_release+0x520/0x520 [ 475.326017] ? process_timeout+0x40/0x40 [ 475.330090] ? __run_timers+0x7da/0xc70 [ 475.334071] ? _raw_spin_unlock_irq+0x27/0x80 [ 475.338596] ? _raw_spin_unlock_irq+0x27/0x80 [ 475.343091] ? __neigh_for_each_release+0x520/0x520 [ 475.348114] ? lockdep_hardirqs_on+0x296/0x5b0 [ 475.352700] ? trace_hardirqs_on+0xbd/0x310 [ 475.357020] ? kasan_check_read+0x11/0x20 [ 475.361169] ? __run_timers+0x7da/0xc70 [ 475.365148] ? trace_hardirqs_off_caller+0x310/0x310 [ 475.370270] ? __neigh_for_each_release+0x520/0x520 [ 475.375288] __run_timers+0x7e5/0xc70 [ 475.379100] ? timer_fixup_init+0x70/0x70 [ 475.383245] ? kasan_check_read+0x11/0x20 [ 475.387401] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 475.392678] ? rcu_softirq_qs+0x20/0x20 [ 475.396655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.402191] ? check_preemption_disabled+0x48/0x280 [ 475.407213] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 475.411973] ? retint_kernel+0x2d/0x2d [ 475.415871] ? trace_hardirqs_on_caller+0xc0/0x310 [ 475.420802] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 475.425574] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 475.431024] ? zap_class+0x640/0x640 [ 475.434747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.440283] ? check_preemption_disabled+0x48/0x280 [ 475.445309] ? __lock_is_held+0xb5/0x140 [ 475.449374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.454920] ? check_preemption_disabled+0x48/0x280 [ 475.459975] run_timer_softirq+0x52/0xb0 [ 475.464043] ? rcu_read_lock_sched_held+0x14f/0x180 [ 475.469075] __do_softirq+0x308/0xb7e [ 475.472890] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 475.477386] ? lock_downgrade+0x900/0x900 [ 475.481542] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 475.486663] ? pvclock_read_flags+0x160/0x160 [ 475.491160] ? lapic_next_event+0x5a/0x90 [ 475.495325] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.500876] ? kvm_clock_read+0x18/0x30 [ 475.504879] ? kvm_sched_clock_read+0x9/0x20 [ 475.509295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.515007] ? check_preemption_disabled+0x48/0x280 [ 475.520046] irq_exit+0x17f/0x1c0 [ 475.523509] smp_apic_timer_interrupt+0x1cb/0x760 [ 475.528351] ? smp_reschedule_interrupt+0x109/0x650 [ 475.533374] ? smp_call_function_single_interrupt+0x650/0x650 [ 475.539275] ? interrupt_entry+0xb5/0xc0 [ 475.543340] ? trace_hardirqs_off_caller+0xbb/0x310 [ 475.548356] ? trace_hardirqs_off_caller+0xbb/0x310 [ 475.553376] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.558220] ? trace_hardirqs_on_caller+0x310/0x310 [ 475.563249] ? trace_hardirqs_on_caller+0x310/0x310 [ 475.568277] ? task_prio+0x50/0x50 [ 475.571822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.577358] ? check_preemption_disabled+0x48/0x280 [ 475.582379] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.587234] apic_timer_interrupt+0xf/0x20 [ 475.591475] [ 475.593716] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 475.598649] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 475.617560] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 475.625277] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 475.632551] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 475.639823] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 475.647090] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 475.654356] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 475.661677] skb_clone+0x1bb/0x500 [ 475.665222] ? finish_task_switch+0x2f4/0x910 [ 475.669720] ? skb_split+0x11e0/0x11e0 [ 475.673614] ? preempt_notifier_register+0x200/0x200 [ 475.678717] ? __switch_to_asm+0x34/0x70 [ 475.682777] ? __switch_to_asm+0x34/0x70 [ 475.686836] ? __switch_to_asm+0x40/0x70 [ 475.690894] ? __switch_to_asm+0x34/0x70 [ 475.695013] ? __switch_to_asm+0x40/0x70 [ 475.699099] ? __switch_to_asm+0x34/0x70 [ 475.703162] ? __switch_to_asm+0x40/0x70 [ 475.707226] ? __switch_to_asm+0x34/0x70 [ 475.711288] ? __switch_to_asm+0x34/0x70 [ 475.715352] ? __switch_to_asm+0x40/0x70 [ 475.719412] ? __switch_to_asm+0x34/0x70 [ 475.723761] bpf_clone_redirect+0xb9/0x490 [ 475.728003] ? __schedule+0x8d7/0x21d0 [ 475.731901] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 475.736921] ? __sched_text_start+0x8/0x8 [ 475.741078] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 475.745667] ? find_held_lock+0x36/0x1c0 [ 475.749740] ? lock_acquire+0x1ed/0x520 [ 475.753714] ? bpf_test_run+0x3cb/0x780 [ 475.757687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.763226] ? check_preemption_disabled+0x48/0x280 [ 475.768249] ? kasan_check_read+0x11/0x20 [ 475.772405] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 475.777682] ? rcu_softirq_qs+0x20/0x20 [ 475.781662] ? preempt_schedule+0x4d/0x60 [ 475.785813] ? ___preempt_schedule+0x16/0x18 [ 475.790231] ? bpf_test_run+0x25d/0x780 [ 475.794222] ? netlink_diag_dump+0x2a0/0x2a0 [ 475.798641] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 475.803405] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 475.808176] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 475.813029] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 475.818581] ? fput+0x130/0x1a0 [ 475.821869] ? __bpf_prog_get+0x9b/0x290 [ 475.825933] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 475.830780] ? bpf_prog_test_run+0x130/0x1a0 [ 475.835208] ? __x64_sys_bpf+0x3d8/0x520 [ 475.839272] ? bpf_prog_get+0x20/0x20 [ 475.843107] ? do_syscall_64+0x1b9/0x820 [ 475.847185] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 475.852562] ? syscall_return_slowpath+0x5e0/0x5e0 [ 475.857491] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.862333] ? trace_hardirqs_on_caller+0x310/0x310 [ 475.867354] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 475.872374] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 475.877916] ? prepare_exit_to_usermode+0x291/0x3b0 [ 475.882950] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 475.887807] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 475.893187] Mem-Info: [ 475.893205] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 475.895612] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 475.895612] active_file:13 inactive_file:17 isolated_file:0 [ 475.895612] unevictable:0 dirty:0 writeback:0 unstable:0 [ 475.895612] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 475.895612] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 475.895612] free:13759 free_pcp:161 free_cma:0 [ 475.902268] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 475.902301] Call Trace: [ 475.936770] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 475.946096] [ 475.948667] Node 0 [ 475.976336] dump_stack+0x244/0x39d [ 475.978496] 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 [ 475.980710] ? dump_stack_print_info.cold.1+0x20/0x20 [ 475.984308] lowmem_reserve[]: 0 [ 476.009839] warn_alloc.cold.117+0xb7/0x1bd [ 476.015021] 2819 [ 476.018297] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 476.022595] 6323 [ 476.024659] ? lock_downgrade+0x900/0x900 [ 476.029473] 6323 [ 476.031572] ? trace_hardirqs_off+0xb8/0x310 [ 476.035696] Node 0 [ 476.037760] ? trace_hardirqs_off+0xb8/0x310 [ 476.042170] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 476.044385] __alloc_pages_slowpath+0x2660/0x2d70 [ 476.048761] lowmem_reserve[]: 0 [ 476.075689] ? warn_alloc+0x120/0x120 [ 476.080525] 0 [ 476.083803] ? warn_alloc+0x120/0x120 [ 476.087574] 3503 3503 [ 476.089389] ? print_usage_bug+0xc0/0xc0 [ 476.095698] ? warn_alloc+0x120/0x120 [ 476.099738] Node 0 [ 476.103532] ? print_usage_bug+0xc0/0xc0 [ 476.103563] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:96kB free_cma:0kB [ 476.103570] lowmem_reserve[]: [ 476.105807] ? __lock_acquire+0x62f/0x4c20 [ 476.109857] 0 [ 476.138046] ? __lock_acquire+0x62f/0x4c20 [ 476.141134] 0 [ 476.145367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 476.147147] 0 [ 476.151386] ? should_fail+0x22d/0xd01 [ 476.153165] 0 [ 476.158704] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 476.160510] Node 0 [ 476.164394] ? __lock_acquire+0x62f/0x4c20 [ 476.166179] DMA: [ 476.171288] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 476.173512] 1*4kB [ 476.177731] ? __lock_acquire+0x62f/0x4c20 [ 476.179773] (U) [ 476.184873] ? should_fail+0x22d/0xd01 [ 476.187016] 0*8kB [ 476.191247] ? find_held_lock+0x36/0x1c0 [ 476.193207] 0*16kB [ 476.197094] ? mark_held_locks+0x130/0x130 [ 476.199219] 1*32kB [ 476.203275] ? mark_held_locks+0x130/0x130 [ 476.205492] (U) [ 476.209721] ? zap_class+0x640/0x640 [ 476.211944] 2*64kB [ 476.216180] ? zap_class+0x640/0x640 [ 476.218136] (U) [ 476.221850] ? print_usage_bug+0xc0/0xc0 [ 476.224068] 1*128kB [ 476.227775] ? do_raw_spin_unlock+0xa7/0x330 [ 476.229731] (U) [ 476.233789] ? zap_class+0x640/0x640 [ 476.236099] 1*256kB [ 476.240500] ? print_usage_bug+0xc0/0xc0 [ 476.242463] (U) [ 476.246176] ? wq_watchdog_touch+0x9c/0xfe [ 476.248478] 0*512kB [ 476.252534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.254487] 1*1024kB [ 476.258730] ? check_preemption_disabled+0x48/0x280 [ 476.261031] (U) [ 476.266572] ? __lock_is_held+0xb5/0x140 [ 476.268952] 1*2048kB (M) 3*4096kB [ 476.273985] __alloc_pages_nodemask+0xa80/0xde0 [ 476.275941] (M) [ 476.280000] ? zap_class+0x640/0x640 [ 476.283526] = 15908kB [ 476.288197] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 476.290147] Node 0 [ 476.293862] ? find_held_lock+0x36/0x1c0 [ 476.296247] DMA32: [ 476.301265] ? ____cache_alloc_node+0x1c7/0x1e0 [ 476.303478] 5*4kB [ 476.307537] ? lock_downgrade+0x900/0x900 [ 476.309752] (UM) [ 476.314425] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.316553] 1*8kB (M) [ 476.320893] cache_grow_begin+0xa5/0x8c0 [ 476.322933] 3*16kB (M) [ 476.328487] ? do_raw_spin_unlock+0xa7/0x330 [ 476.330963] 3*32kB [ 476.335029] fallback_alloc+0x204/0x2e0 [ 476.337592] (UM) [ 476.342000] ____cache_alloc_node+0x1c7/0x1e0 [ 476.344213] 2*64kB [ 476.348197] kmem_cache_alloc_node+0xe3/0x730 [ 476.350230] (M) [ 476.354722] ? ipv6_get_ifaddr+0x42e/0x620 [ 476.356935] 2*128kB (M) [ 476.361448] __alloc_skb+0x119/0x770 [ 476.363402] 4*256kB [ 476.367637] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 476.370299] (M) [ 476.374008] ? netdev_alloc_frag+0x1f0/0x1f0 [ 476.376315] 4*512kB [ 476.381587] ? lock_downgrade+0x900/0x900 [ 476.383546] (UM) [ 476.387964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.390257] 3*1024kB [ 476.394408] ? refcount_sub_and_test_checked+0x203/0x310 [ 476.396443] (UM) [ 476.401985] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 476.404375] 3*2048kB [ 476.409824] ? addrconf_rs_timer+0x690/0x690 [ 476.411865] (M) [ 476.417324] ndisc_alloc_skb+0x144/0x340 [ 476.419700] 3*4096kB (M) [ 476.424118] ndisc_send_rs+0x331/0x6e0 [ 476.426078] = 25132kB [ 476.430177] addrconf_rs_timer+0x314/0x690 [ 476.432912] Node 0 [ 476.436796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 476.439182] Normal: [ 476.443434] call_timer_fn+0x272/0x920 [ 476.445726] 951*4kB [ 476.449961] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 476.452261] (UMEH) [ 476.456146] ? process_timeout+0x40/0x40 [ 476.458454] 234*8kB [ 476.462683] ? mark_held_locks+0xc7/0x130 [ 476.464932] (UME) [ 476.469016] ? _raw_spin_unlock_irq+0x27/0x80 [ 476.471318] 222*16kB (UMEH) [ 476.475475] ? _raw_spin_unlock_irq+0x27/0x80 [ 476.477631] 132*32kB [ 476.482130] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 476.485126] (UM) [ 476.489619] ? lockdep_hardirqs_on+0x296/0x5b0 [ 476.492013] 1*64kB [ 476.496243] ? trace_hardirqs_on+0xbd/0x310 [ 476.498298] (H) [ 476.502894] ? kasan_check_read+0x11/0x20 [ 476.505101] 0*128kB 0*256kB [ 476.509439] ? __run_timers+0x7da/0xc70 [ 476.511412] 1*512kB [ 476.515568] ? trace_hardirqs_off_caller+0x310/0x310 [ 476.518569] (H) [ 476.522542] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 476.524847] 0*1024kB [ 476.529946] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 476.531901] 0*2048kB [ 476.536134] __run_timers+0x7e5/0xc70 [ 476.538521] 0*4096kB = 14028kB [ 476.542795] ? timer_fixup_init+0x70/0x70 [ 476.545185] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 476.548986] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 476.552162] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 476.556304] ? zap_class+0x640/0x640 [ 476.565118] 4244 total pagecache pages [ 476.570132] ? print_usage_bug+0xc0/0xc0 [ 476.578695] 0 pages in swap cache [ 476.582405] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 476.586276] Swap cache stats: add 0, delete 0, find 0/0 [ 476.590337] ? find_held_lock+0x36/0x1c0 [ 476.593774] Free swap = 0kB [ 476.598984] ? zap_class+0x640/0x640 [ 476.604323] Total swap = 0kB [ 476.608380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.611376] 1965979 pages RAM [ 476.615246] ? check_preemption_disabled+0x48/0x280 [ 476.618249] 0 pages HighMem/MovableOnly [ 476.623787] ? __lock_is_held+0xb5/0x140 [ 476.626864] 342293 pages reserved [ 476.626874] 0 pages cma reserved [ 476.631889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.636034] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 476.639898] ? check_preemption_disabled+0x48/0x280 [ 476.639922] run_timer_softirq+0x52/0xb0 [ 476.643568] syz-executor3 cpuset= [ 476.646930] ? rcu_read_lock_sched_held+0x14f/0x180 [ 476.646959] __do_softirq+0x308/0xb7e [ 476.652647] syz3 [ 476.663064] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 476.663076] ? lock_downgrade+0x900/0x900 [ 476.663096] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 476.663121] ? pvclock_read_flags+0x160/0x160 [ 476.663138] ? lapic_next_event+0x5a/0x90 [ 476.663154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.668306] mems_allowed=0 [ 476.672373] ? kvm_clock_read+0x18/0x30 [ 476.721278] ? kvm_sched_clock_read+0x9/0x20 [ 476.725694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 476.731233] ? check_preemption_disabled+0x48/0x280 [ 476.736282] irq_exit+0x17f/0x1c0 [ 476.739769] smp_apic_timer_interrupt+0x1cb/0x760 [ 476.744612] ? smp_reschedule_interrupt+0x109/0x650 [ 476.749643] ? smp_call_function_single_interrupt+0x650/0x650 [ 476.755535] ? interrupt_entry+0xb5/0xc0 [ 476.759601] ? trace_hardirqs_off_caller+0xbb/0x310 [ 476.764620] ? trace_hardirqs_off_caller+0xbb/0x310 [ 476.769642] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 476.774486] ? trace_hardirqs_on_caller+0x310/0x310 [ 476.779499] ? trace_hardirqs_on_caller+0x310/0x310 [ 476.784534] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 476.789391] apic_timer_interrupt+0xf/0x20 [ 476.793618] [ 476.795856] RIP: 0010:dump_stack+0x358/0x39d [ 476.800267] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 476.819167] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 476.826876] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 476.834150] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 476.841422] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 476.848688] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 476.855965] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 476.863250] ? dump_stack+0x34f/0x39d [ 476.867070] ? dump_stack_print_info.cold.1+0x20/0x20 [ 476.872281] dump_header+0x27b/0xf72 [ 476.876006] ? mark_held_locks+0x130/0x130 [ 476.880244] ? pagefault_out_of_memory+0x197/0x197 [ 476.885181] ? __lock_acquire+0x62f/0x4c20 [ 476.889412] ? zap_class+0x640/0x640 [ 476.893132] ? percpu_ref_get_many+0x240/0x240 [ 476.897717] ? print_usage_bug+0xc0/0xc0 [ 476.901779] ? print_usage_bug+0xc0/0xc0 [ 476.905847] ? zap_class+0x640/0x640 [ 476.909562] ? print_usage_bug+0xc0/0xc0 [ 476.913628] ? print_usage_bug+0xc0/0xc0 [ 476.917698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 476.923244] ? find_held_lock+0x36/0x1c0 [ 476.927317] ? mark_held_locks+0xc7/0x130 [ 476.931487] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 476.936594] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 476.941725] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 476.946328] ? trace_hardirqs_on+0xbd/0x310 [ 476.950659] ? kasan_check_read+0x11/0x20 [ 476.954809] ? ___ratelimit+0x3b4/0x672 [ 476.958788] ? trace_hardirqs_off_caller+0x310/0x310 [ 476.963894] ? trace_hardirqs_on+0x310/0x310 [ 476.968314] ? lock_downgrade+0x900/0x900 [ 476.972502] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 476.977619] ? ___ratelimit+0x3b9/0x672 [ 476.981605] ? idr_get_free+0xec0/0xec0 [ 476.985584] ? find_held_lock+0x36/0x1c0 [ 476.989664] oom_kill_process.cold.27+0x10/0x903 [ 476.994422] ? zap_class+0x640/0x640 [ 476.998148] ? check_preemption_disabled+0x48/0x280 [ 477.003172] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 477.008100] ? kasan_check_read+0x11/0x20 [ 477.012253] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 477.017535] ? oom_evaluate_task+0x540/0x540 [ 477.021955] ? find_held_lock+0x36/0x1c0 [ 477.026034] ? out_of_memory+0x974/0x1430 [ 477.030197] ? lock_downgrade+0x900/0x900 [ 477.034347] ? check_preemption_disabled+0x48/0x280 [ 477.039374] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 477.044317] ? kasan_check_read+0x11/0x20 [ 477.048468] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 477.053759] ? rcu_softirq_qs+0x20/0x20 [ 477.057737] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.063281] ? oom_evaluate_task+0x302/0x540 [ 477.067701] out_of_memory+0xa84/0x1430 [ 477.071694] ? oom_killer_disable+0x3a0/0x3a0 [ 477.076192] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 477.081131] ? __mutex_add_waiter+0x2a0/0x2a0 [ 477.085645] __alloc_pages_slowpath+0x22d4/0x2d70 [ 477.090526] ? warn_alloc+0x120/0x120 [ 477.094335] ? rcu_softirq_qs+0x20/0x20 [ 477.098373] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.103916] ? should_fail+0x22d/0xd01 [ 477.107816] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 477.112920] ? zap_class+0x640/0x640 [ 477.116670] ? __lock_is_held+0xb5/0x140 [ 477.120744] ? mark_held_locks+0x130/0x130 [ 477.125535] ? lock_release+0xa00/0xa00 [ 477.129514] ? perf_trace_sched_process_exec+0x860/0x860 [ 477.134989] ? __might_sleep+0x95/0x190 [ 477.139007] __alloc_pages_nodemask+0xa80/0xde0 [ 477.143694] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 477.148727] ? __page_cache_alloc+0x191/0x5c0 [ 477.153222] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 477.158152] ? kasan_check_read+0x11/0x20 [ 477.162311] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 477.167596] ? zap_class+0x640/0x640 [ 477.171327] ? zap_class+0x640/0x640 [ 477.175043] ? zap_class+0x640/0x640 [ 477.178757] ? __do_page_cache_readahead+0x7ce/0x980 [ 477.183866] ? find_held_lock+0x36/0x1c0 [ 477.187933] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 477.193485] alloc_pages_current+0x173/0x350 [ 477.197904] __page_cache_alloc+0x38c/0x5c0 [ 477.202240] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 477.207200] ? kasan_check_read+0x11/0x20 [ 477.211381] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 477.216663] ? generic_perform_write+0x6a0/0x6a0 [ 477.221419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.226962] ? check_preemption_disabled+0x48/0x280 [ 477.232012] filemap_fault+0x1594/0x25f0 [ 477.236100] ? __lock_page_or_retry+0xa00/0xa00 [ 477.240788] ? mark_held_locks+0x130/0x130 [ 477.245026] ? rcu_softirq_qs+0x20/0x20 [ 477.249019] ? filemap_map_pages+0xe04/0x1990 [ 477.253544] ? __free_object+0x173/0x340 [ 477.257619] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 477.262553] ? trace_hardirqs_off_caller+0x310/0x310 [ 477.267687] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 477.272372] ? debug_object_free+0x32d/0x690 [ 477.276779] ? kasan_check_read+0x11/0x20 [ 477.280932] ? debug_object_destroy+0x2b0/0x2b0 [ 477.285607] ? lock_pi_update_atomic+0x150/0x150 [ 477.290362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.295900] ? __hrtimer_init+0xdb/0x240 [ 477.299980] ? lock_acquire+0x1ed/0x520 [ 477.303965] ? ext4_filemap_fault+0x7a/0xad [ 477.308296] ? lock_release+0xa00/0xa00 [ 477.312278] ? perf_trace_sched_process_exec+0x860/0x860 [ 477.317733] ? print_usage_bug+0xc0/0xc0 [ 477.321797] ? print_usage_bug+0xc0/0xc0 [ 477.325900] ? down_read+0x8d/0x120 [ 477.329539] ? ext4_filemap_fault+0x7a/0xad [ 477.333873] ? __down_interruptible+0x700/0x700 [ 477.338577] ext4_filemap_fault+0x82/0xad [ 477.342727] __do_fault+0x100/0x6b0 [ 477.346392] ? pmd_devmap_trans_unstable+0x220/0x220 [ 477.351512] ? mark_held_locks+0x130/0x130 [ 477.355747] ? mark_held_locks+0x130/0x130 [ 477.359990] ? debug_smp_processor_id+0x1c/0x20 [ 477.364658] ? perf_trace_lock+0x14d/0x7a0 [ 477.368900] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.374473] __handle_mm_fault+0x307c/0x5920 [ 477.378896] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 477.383738] ? lock_is_held_type+0x210/0x210 [ 477.388173] ? zap_class+0x640/0x640 [ 477.391902] ? zap_class+0x640/0x640 [ 477.395623] ? __x64_sys_futex+0x53e/0x6a0 [ 477.399866] ? find_held_lock+0x36/0x1c0 [ 477.403968] ? handle_mm_fault+0x42a/0xc70 [ 477.408207] ? lock_downgrade+0x900/0x900 [ 477.412354] ? check_preemption_disabled+0x48/0x280 [ 477.417397] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 477.422331] ? kasan_check_read+0x11/0x20 [ 477.426498] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 477.431795] ? rcu_softirq_qs+0x20/0x20 [ 477.435771] ? trace_hardirqs_off_caller+0x310/0x310 [ 477.440888] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.446425] ? check_preemption_disabled+0x48/0x280 [ 477.451460] handle_mm_fault+0x54f/0xc70 [ 477.455541] ? __handle_mm_fault+0x5920/0x5920 [ 477.460132] ? find_vma+0x34/0x190 [ 477.463695] __do_page_fault+0x5e8/0xe60 [ 477.467755] ? trace_hardirqs_off+0xb8/0x310 [ 477.472160] ? trace_hardirqs_off+0xb8/0x310 [ 477.476592] do_page_fault+0xf2/0x7e0 [ 477.480399] ? vmalloc_sync_all+0x30/0x30 [ 477.484551] ? error_entry+0x70/0xd0 [ 477.488271] ? trace_hardirqs_off_caller+0xbb/0x310 [ 477.493285] ? trace_hardirqs_on_caller+0xc0/0x310 [ 477.498267] ? syscall_return_slowpath+0x5e0/0x5e0 [ 477.503206] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 477.508065] ? trace_hardirqs_on_caller+0x310/0x310 [ 477.513081] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 477.518537] ? prepare_exit_to_usermode+0x291/0x3b0 [ 477.523559] ? page_fault+0x8/0x30 [ 477.527105] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 477.531962] ? page_fault+0x8/0x30 [ 477.535505] page_fault+0x1e/0x30 [ 477.538981] RIP: 0033:0x45ddf3 [ 477.542208] Code: Bad RIP value. [ 477.545576] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 477.550958] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 477.558246] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 477.565517] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 477.572788] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 477.580058] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 477.587346] Mem-Info: [ 477.587359] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 477.587370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 477.589782] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 477.589782] active_file:13 inactive_file:17 isolated_file:0 [ 477.589782] unevictable:0 dirty:0 writeback:0 unstable:0 [ 477.589782] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 477.589782] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 477.589782] free:13759 free_pcp:161 free_cma:0 [ 477.596777] Call Trace: [ 477.606172] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 477.639124] [ 477.641703] Node 0 [ 477.669378] dump_stack+0x244/0x39d [ 477.671526] 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 [ 477.673738] ? dump_stack_print_info.cold.1+0x20/0x20 [ 477.677343] lowmem_reserve[]: [ 477.702855] warn_alloc.cold.117+0xb7/0x1bd [ 477.708018] 0 [ 477.711132] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 477.715431] 2819 [ 477.717239] ? lock_downgrade+0x900/0x900 [ 477.722532] 6323 6323 [ 477.724613] ? trace_hardirqs_off+0xb8/0x310 [ 477.728737] Node 0 [ 477.731233] ? trace_hardirqs_off+0xb8/0x310 [ 477.735655] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 477.737869] __alloc_pages_slowpath+0x2660/0x2d70 [ 477.742243] lowmem_reserve[]: 0 [ 477.768992] ? warn_alloc+0x120/0x120 [ 477.773795] 0 [ 477.777076] ? warn_alloc+0x120/0x120 [ 477.780854] 3503 [ 477.782656] ? print_usage_bug+0xc0/0xc0 [ 477.786438] 3503 [ 477.788505] ? warn_alloc+0x120/0x120 [ 477.794603] ? print_usage_bug+0xc0/0xc0 [ 477.798382] Node 0 Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 477.802469] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 477.802489] ? should_fail+0x22d/0xd01 [ 477.831347] lowmem_reserve[]: 0 [ 477.836901] ? print_usage_bug+0xc0/0xc0 [ 477.840784] 0 [ 477.844064] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 477.848097] 0 [ 477.849897] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 477.855061] 0 [ 477.856858] ? __lock_acquire+0x62f/0x4c20 [ 477.863747] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 477.867963] Node 0 [ 477.873058] ? should_fail+0x22d/0xd01 [ 477.873061] DMA: 1*4kB [ 477.875323] ? mark_held_locks+0x130/0x130 [ 477.879188] (U) [ 477.881764] ? mark_held_locks+0x130/0x130 [ 477.885981] 0*8kB [ 477.887956] ? zap_class+0x640/0x640 [ 477.892193] 0*16kB [ 477.894330] ? mark_held_locks+0x130/0x130 [ 477.898022] 1*32kB [ 477.900261] ? kvm_clock_read+0x18/0x30 [ 477.904470] (U) [ 477.906709] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.910661] 2*64kB [ 477.912635] ? check_preemption_disabled+0x48/0x280 [ 477.918151] (U) [ 477.920395] ? __lock_is_held+0xb5/0x140 [ 477.925382] 1*128kB [ 477.927356] __alloc_pages_nodemask+0xa80/0xde0 [ 477.931392] (U) [ 477.933716] ? zap_class+0x640/0x640 [ 477.938362] 1*256kB (U) [ 477.940348] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 477.944037] 0*512kB [ 477.946710] ? find_held_lock+0x36/0x1c0 [ 477.951691] 1*1024kB (U) [ 477.954028] ? ____cache_alloc_node+0x1c7/0x1e0 [ 477.958069] 1*2048kB [ 477.960821] ? lock_downgrade+0x900/0x900 [ 477.965475] (M) [ 477.967903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 477.972037] 3*4096kB [ 477.974009] cache_grow_begin+0xa5/0x8c0 [ 477.979519] (M) [ 477.981931] ? do_raw_spin_unlock+0xa7/0x330 [ 477.985972] = 15908kB [ 477.987947] fallback_alloc+0x204/0x2e0 [ 477.992339] Node 0 [ 477.994748] ____cache_alloc_node+0x1c7/0x1e0 [ 477.998696] DMA32: [ 478.000937] kmem_cache_alloc_node+0xe3/0x730 [ 478.005427] 5*4kB [ 478.007693] ? lockdep_hardirqs_on+0x296/0x5b0 [ 478.012171] (UM) [ 478.014328] __alloc_skb+0x119/0x770 [ 478.018886] 1*8kB [ 478.020973] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 478.024662] (M) [ 478.026808] ? netdev_alloc_frag+0x1f0/0x1f0 [ 478.032151] 3*16kB [ 478.034124] ? lock_acquire+0x1ed/0x520 [ 478.038510] (M) [ 478.040753] ? aoecmd_cfg+0x108/0x7f0 [ 478.044702] 3*32kB [ 478.046675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.050459] (UM) [ 478.052698] ? check_preemption_disabled+0x48/0x280 [ 478.058220] 2*64kB [ 478.060293] ? kasan_check_read+0x11/0x20 [ 478.065286] (M) [ 478.067560] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 478.071683] 2*128kB [ 478.073653] ? rcu_softirq_qs+0x20/0x20 [ 478.078906] (M) [ 478.081248] new_skb+0x26/0x1c0 [ 478.085227] 4*256kB [ 478.087206] aoecmd_cfg+0x279/0x7f0 [ 478.090464] (M) [ 478.092783] ? find_held_lock+0x36/0x1c0 [ 478.096390] 4*512kB [ 478.098364] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 478.102402] (UM) [ 478.104726] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.109029] 3*1024kB (UM) [ 478.111108] ? check_preemption_disabled+0x48/0x280 [ 478.116622] 3*2048kB [ 478.119473] ? __lock_is_held+0xb5/0x140 [ 478.124450] (M) 3*4096kB (M) [ 478.126880] discover_timer+0x50/0x60 [ 478.130910] = 25132kB [ 478.130919] Node 0 [ 478.134042] call_timer_fn+0x272/0x920 [ 478.137822] Normal: [ 478.140230] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 478.142449] 951*4kB (UMEH) [ 478.146355] ? process_timeout+0x40/0x40 [ 478.148663] 234*8kB [ 478.153516] ? __run_timers+0x7da/0xc70 [ 478.156422] (UME) [ 478.160494] ? _raw_spin_unlock_irq+0x27/0x80 [ 478.162799] 222*16kB [ 478.166768] ? _raw_spin_unlock_irq+0x27/0x80 [ 478.168908] (UMEH) [ 478.173406] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 478.175802] 132*32kB [ 478.180294] ? lockdep_hardirqs_on+0x296/0x5b0 [ 478.182512] (UM) [ 478.187355] ? trace_hardirqs_on+0xbd/0x310 [ 478.189738] 1*64kB (H) [ 478.194330] ? kasan_check_read+0x11/0x20 [ 478.196376] 0*128kB [ 478.200692] ? __run_timers+0x7da/0xc70 [ 478.203259] 0*256kB [ 478.207409] ? trace_hardirqs_off_caller+0x310/0x310 [ 478.209714] 1*512kB [ 478.213693] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 478.215985] (H) [ 478.221084] __run_timers+0x7e5/0xc70 [ 478.223386] 0*1024kB 0*2048kB [ 478.228242] ? timer_fixup_init+0x70/0x70 [ 478.230199] 0*4096kB [ 478.234001] ? kasan_check_read+0x11/0x20 [ 478.237172] = 14028kB [ 478.241317] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 478.243716] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 478.247852] ? rcu_softirq_qs+0x20/0x20 [ 478.250248] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 478.255516] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.264360] 4244 total pagecache pages [ 478.268335] ? check_preemption_disabled+0x48/0x280 [ 478.276900] 0 pages in swap cache [ 478.282445] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 478.286311] Swap cache stats: add 0, delete 0, find 0/0 [ 478.291321] ? retint_kernel+0x2d/0x2d [ 478.294756] Free swap = 0kB [ 478.299508] ? trace_hardirqs_on_caller+0xc0/0x310 [ 478.304851] Total swap = 0kB [ 478.308733] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 478.311733] 1965979 pages RAM [ 478.316660] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 478.319662] 0 pages HighMem/MovableOnly [ 478.324411] ? zap_class+0x640/0x640 [ 478.327496] 342293 pages reserved [ 478.327505] 0 pages cma reserved [ 478.332971] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.337020] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 478.340655] ? check_preemption_disabled+0x48/0x280 [ 478.344150] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 478.347462] ? __lock_is_held+0xb5/0x140 [ 478.352970] syz-fuzzer cpuset= [ 478.359464] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.364472] / [ 478.374721] ? check_preemption_disabled+0x48/0x280 [ 478.378770] mems_allowed=0 [ 478.381965] run_timer_softirq+0x52/0xb0 [ 478.401160] ? rcu_read_lock_sched_held+0x14f/0x180 [ 478.406185] __do_softirq+0x308/0xb7e [ 478.409995] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 478.414512] ? lock_downgrade+0x900/0x900 [ 478.418664] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 478.423777] ? pvclock_read_flags+0x160/0x160 [ 478.428276] ? lapic_next_event+0x5a/0x90 [ 478.432430] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.437979] ? kvm_clock_read+0x18/0x30 [ 478.441953] ? kvm_sched_clock_read+0x9/0x20 [ 478.446368] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.451904] ? check_preemption_disabled+0x48/0x280 [ 478.456947] irq_exit+0x17f/0x1c0 [ 478.460420] smp_apic_timer_interrupt+0x1cb/0x760 [ 478.465287] ? smp_reschedule_interrupt+0x109/0x650 [ 478.470318] ? smp_call_function_single_interrupt+0x650/0x650 [ 478.476209] ? interrupt_entry+0xb5/0xc0 [ 478.480290] ? trace_hardirqs_off_caller+0xbb/0x310 [ 478.485321] ? trace_hardirqs_off_caller+0xbb/0x310 [ 478.490340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 478.495199] ? trace_hardirqs_on_caller+0x310/0x310 [ 478.500216] ? trace_hardirqs_on_caller+0x310/0x310 [ 478.505231] ? task_prio+0x50/0x50 [ 478.508774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.514317] ? check_preemption_disabled+0x48/0x280 [ 478.519341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 478.524241] apic_timer_interrupt+0xf/0x20 [ 478.528478] [ 478.530719] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 478.535663] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 478.554573] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 478.562284] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 478.569553] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 478.576820] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 478.584092] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 478.591374] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 478.598686] skb_clone+0x1bb/0x500 [ 478.602227] ? finish_task_switch+0x2f4/0x910 [ 478.606725] ? skb_split+0x11e0/0x11e0 [ 478.610616] ? preempt_notifier_register+0x200/0x200 [ 478.616174] ? __switch_to_asm+0x34/0x70 [ 478.620247] ? __switch_to_asm+0x34/0x70 [ 478.624306] ? __switch_to_asm+0x40/0x70 [ 478.628367] ? __switch_to_asm+0x34/0x70 [ 478.632430] ? __switch_to_asm+0x40/0x70 [ 478.636497] ? __switch_to_asm+0x34/0x70 [ 478.640561] ? __switch_to_asm+0x40/0x70 [ 478.644622] ? __switch_to_asm+0x34/0x70 [ 478.648682] ? __switch_to_asm+0x34/0x70 [ 478.652740] ? __switch_to_asm+0x40/0x70 [ 478.656801] ? __switch_to_asm+0x34/0x70 [ 478.660891] bpf_clone_redirect+0xb9/0x490 [ 478.665127] ? __schedule+0x8d7/0x21d0 [ 478.669024] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 478.674057] ? __sched_text_start+0x8/0x8 [ 478.678230] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 478.682834] ? find_held_lock+0x36/0x1c0 [ 478.686904] ? lock_acquire+0x1ed/0x520 [ 478.690887] ? bpf_test_run+0x3cb/0x780 [ 478.694872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.700408] ? check_preemption_disabled+0x48/0x280 [ 478.705454] ? kasan_check_read+0x11/0x20 [ 478.709621] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 478.714902] ? rcu_softirq_qs+0x20/0x20 [ 478.718881] ? preempt_schedule+0x4d/0x60 [ 478.723036] ? ___preempt_schedule+0x16/0x18 [ 478.727476] ? bpf_test_run+0x25d/0x780 [ 478.731467] ? netlink_diag_dump+0x2a0/0x2a0 [ 478.735882] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 478.740645] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 478.745411] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 478.750252] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 478.755796] ? fput+0x130/0x1a0 [ 478.759082] ? __bpf_prog_get+0x9b/0x290 [ 478.763146] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 478.767987] ? bpf_prog_test_run+0x130/0x1a0 [ 478.772405] ? __x64_sys_bpf+0x3d8/0x520 [ 478.776476] ? bpf_prog_get+0x20/0x20 [ 478.780302] ? do_syscall_64+0x1b9/0x820 [ 478.784377] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 478.789751] ? syscall_return_slowpath+0x5e0/0x5e0 [ 478.794682] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 478.799527] ? trace_hardirqs_on_caller+0x310/0x310 [ 478.804561] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 478.809581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 478.815134] ? prepare_exit_to_usermode+0x291/0x3b0 [ 478.820161] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 478.825021] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 478.830423] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 478.830524] aoe: skb alloc failure [ 478.837112] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 478.837118] Call Trace: [ 478.837125] [ 478.837143] dump_stack+0x244/0x39d [ 478.837161] ? dump_stack_print_info.cold.1+0x20/0x20 [ 478.840717] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 478.850047] warn_alloc.cold.117+0xb7/0x1bd [ 478.852600] syz-executor3 cpuset= [ 478.854750] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 478.858372] syz3 [ 478.863560] ? lock_downgrade+0x900/0x900 [ 478.874027] mems_allowed=0 [ 478.878346] ? trace_hardirqs_off+0xb8/0x310 [ 478.900021] ? trace_hardirqs_off+0xb8/0x310 [ 478.904440] __alloc_pages_slowpath+0x2660/0x2d70 [ 478.909318] ? warn_alloc+0x120/0x120 [ 478.913125] ? warn_alloc+0x120/0x120 [ 478.916930] ? print_usage_bug+0xc0/0xc0 [ 478.920995] ? warn_alloc+0x120/0x120 [ 478.924795] ? print_usage_bug+0xc0/0xc0 [ 478.928869] ? __lock_acquire+0x62f/0x4c20 [ 478.933106] ? __lock_acquire+0x62f/0x4c20 [ 478.937346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 478.942890] ? should_fail+0x22d/0xd01 [ 478.946785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 478.951905] ? __lock_acquire+0x62f/0x4c20 [ 478.956172] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 478.961293] ? __lock_acquire+0x62f/0x4c20 [ 478.965531] ? should_fail+0x22d/0xd01 [ 478.969421] ? find_held_lock+0x36/0x1c0 [ 478.973496] ? mark_held_locks+0x130/0x130 [ 478.977737] ? mark_held_locks+0x130/0x130 [ 478.981972] ? zap_class+0x640/0x640 [ 478.985683] ? zap_class+0x640/0x640 [ 478.989405] ? print_usage_bug+0xc0/0xc0 [ 478.993479] ? do_raw_spin_unlock+0xa7/0x330 [ 478.997913] ? zap_class+0x640/0x640 [ 479.001626] ? print_usage_bug+0xc0/0xc0 [ 479.005690] ? wq_watchdog_touch+0x9c/0xfe [ 479.009952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.015489] ? check_preemption_disabled+0x48/0x280 [ 479.020519] ? __lock_is_held+0xb5/0x140 [ 479.024591] __alloc_pages_nodemask+0xa80/0xde0 [ 479.029274] ? zap_class+0x640/0x640 [ 479.032994] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 479.038024] ? find_held_lock+0x36/0x1c0 [ 479.042097] ? ____cache_alloc_node+0x1c7/0x1e0 [ 479.046770] ? lock_downgrade+0x900/0x900 [ 479.050942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.056496] cache_grow_begin+0xa5/0x8c0 [ 479.060573] ? do_raw_spin_unlock+0xa7/0x330 [ 479.064991] fallback_alloc+0x204/0x2e0 [ 479.068978] ____cache_alloc_node+0x1c7/0x1e0 [ 479.073493] kmem_cache_alloc_node+0xe3/0x730 [ 479.077997] ? ipv6_get_ifaddr+0x42e/0x620 [ 479.082252] __alloc_skb+0x119/0x770 [ 479.085972] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 479.091283] ? netdev_alloc_frag+0x1f0/0x1f0 [ 479.095704] ? lock_downgrade+0x900/0x900 [ 479.099866] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.105403] ? refcount_sub_and_test_checked+0x203/0x310 [ 479.110868] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 479.116320] ? addrconf_rs_timer+0x690/0x690 [ 479.120746] ndisc_alloc_skb+0x144/0x340 [ 479.124814] ndisc_send_rs+0x331/0x6e0 [ 479.128722] addrconf_rs_timer+0x314/0x690 [ 479.132967] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 479.137224] call_timer_fn+0x272/0x920 [ 479.141110] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 479.145350] ? process_timeout+0x40/0x40 [ 479.149421] ? mark_held_locks+0xc7/0x130 [ 479.153577] ? _raw_spin_unlock_irq+0x27/0x80 [ 479.158075] ? _raw_spin_unlock_irq+0x27/0x80 [ 479.162568] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 479.166817] ? lockdep_hardirqs_on+0x296/0x5b0 [ 479.171402] ? trace_hardirqs_on+0xbd/0x310 [ 479.175736] ? kasan_check_read+0x11/0x20 [ 479.179915] ? __run_timers+0x7da/0xc70 [ 479.183927] ? trace_hardirqs_off_caller+0x310/0x310 [ 479.189054] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 479.193331] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 479.197595] __run_timers+0x7e5/0xc70 [ 479.201450] ? timer_fixup_init+0x70/0x70 [ 479.205621] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 479.210640] ? zap_class+0x640/0x640 [ 479.214390] ? print_usage_bug+0xc0/0xc0 [ 479.218458] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 479.223665] ? find_held_lock+0x36/0x1c0 [ 479.227735] ? zap_class+0x640/0x640 [ 479.231458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.236995] ? check_preemption_disabled+0x48/0x280 [ 479.242022] ? __lock_is_held+0xb5/0x140 [ 479.246097] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.251634] ? check_preemption_disabled+0x48/0x280 [ 479.256661] run_timer_softirq+0x52/0xb0 [ 479.260721] ? rcu_read_lock_sched_held+0x14f/0x180 [ 479.265738] __do_softirq+0x308/0xb7e [ 479.269544] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 479.274035] ? lock_downgrade+0x900/0x900 [ 479.278198] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 479.283317] ? pvclock_read_flags+0x160/0x160 [ 479.287819] ? lapic_next_event+0x5a/0x90 [ 479.291979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.297538] ? kvm_clock_read+0x18/0x30 [ 479.301514] ? kvm_sched_clock_read+0x9/0x20 [ 479.305924] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 479.311468] ? check_preemption_disabled+0x48/0x280 [ 479.316500] irq_exit+0x17f/0x1c0 [ 479.319971] smp_apic_timer_interrupt+0x1cb/0x760 [ 479.324830] ? smp_reschedule_interrupt+0x109/0x650 [ 479.329850] ? smp_call_function_single_interrupt+0x650/0x650 [ 479.335748] ? interrupt_entry+0xb5/0xc0 [ 479.339810] ? trace_hardirqs_off_caller+0xbb/0x310 [ 479.344838] ? trace_hardirqs_off_caller+0xbb/0x310 [ 479.349858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 479.354702] ? trace_hardirqs_on_caller+0x310/0x310 [ 479.359717] ? trace_hardirqs_on_caller+0x310/0x310 [ 479.364748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 479.369601] apic_timer_interrupt+0xf/0x20 [ 479.373828] [ 479.376064] RIP: 0010:dump_stack+0x358/0x39d [ 479.380496] Code: 74 0c 48 c7 c7 30 f6 31 89 e8 61 17 11 fa 48 83 3d a9 ab 80 01 00 0f 84 63 fe ff ff e8 7e 3e ce f9 48 8b bd 70 ff ff ff 57 9d <0f> 1f 44 00 00 e8 6b 3e ce f9 48 8b 8d 68 ff ff ff b8 ff ff 37 00 [ 479.399438] RSP: 0000:ffff8801d8f26220 EFLAGS: 00000293 ORIG_RAX: ffffffffffffff13 [ 479.407153] RAX: ffff8801d87a4000 RBX: 1ffffffff1263ec6 RCX: 1ffff1003b0f491e [ 479.414428] RDX: 0000000000000000 RSI: ffffffff87b14a92 RDI: 0000000000000293 [ 479.421708] RBP: ffff8801d8f262c8 R08: ffff8801d87a48f0 R09: 0000000000000006 [ 479.428975] R10: 0000000000000000 R11: ffff8801d87a4000 R12: 1ffff1003b1e4c4c [ 479.436246] R13: 00000000ffffffff R14: 0000000000000200 R15: 0000000000000001 [ 479.443549] ? dump_stack+0x34f/0x39d [ 479.447365] ? dump_stack_print_info.cold.1+0x20/0x20 [ 479.452572] dump_header+0x27b/0xf72 [ 479.456313] ? mark_held_locks+0x130/0x130 [ 479.460551] ? pagefault_out_of_memory+0x197/0x197 [ 479.465486] ? __lock_acquire+0x62f/0x4c20 [ 479.469716] ? zap_class+0x640/0x640 [ 479.473445] ? percpu_ref_get_many+0x240/0x240 [ 479.478041] ? print_usage_bug+0xc0/0xc0 [ 479.482104] ? print_usage_bug+0xc0/0xc0 [ 479.486173] ? zap_class+0x640/0x640 [ 479.489912] ? print_usage_bug+0xc0/0xc0 [ 479.493986] ? print_usage_bug+0xc0/0xc0 [ 479.498053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.503596] ? find_held_lock+0x36/0x1c0 [ 479.507667] ? mark_held_locks+0xc7/0x130 [ 479.511819] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 479.516924] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 479.522034] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 479.526644] ? trace_hardirqs_on+0xbd/0x310 [ 479.530983] ? kasan_check_read+0x11/0x20 [ 479.535145] ? ___ratelimit+0x3b4/0x672 [ 479.539123] ? trace_hardirqs_off_caller+0x310/0x310 [ 479.544243] ? trace_hardirqs_on+0x310/0x310 [ 479.548657] ? lock_downgrade+0x900/0x900 [ 479.552817] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 479.557928] ? ___ratelimit+0x3b9/0x672 [ 479.561969] ? idr_get_free+0xec0/0xec0 [ 479.565940] ? find_held_lock+0x36/0x1c0 [ 479.570024] oom_kill_process.cold.27+0x10/0x903 [ 479.574780] ? zap_class+0x640/0x640 [ 479.578491] ? check_preemption_disabled+0x48/0x280 [ 479.583527] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 479.588466] ? kasan_check_read+0x11/0x20 [ 479.592619] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 479.597913] ? oom_evaluate_task+0x540/0x540 [ 479.602325] ? find_held_lock+0x36/0x1c0 [ 479.606400] ? out_of_memory+0x974/0x1430 [ 479.610552] ? lock_downgrade+0x900/0x900 [ 479.614703] ? check_preemption_disabled+0x48/0x280 [ 479.619724] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 479.624657] ? kasan_check_read+0x11/0x20 [ 479.628808] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 479.634093] ? rcu_softirq_qs+0x20/0x20 [ 479.638074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 479.643617] ? oom_evaluate_task+0x302/0x540 [ 479.648058] out_of_memory+0xa84/0x1430 [ 479.652055] ? oom_killer_disable+0x3a0/0x3a0 [ 479.656550] ? __alloc_pages_slowpath+0xea7/0x2d70 [ 479.661496] ? __mutex_add_waiter+0x2a0/0x2a0 [ 479.666008] __alloc_pages_slowpath+0x22d4/0x2d70 [ 479.670886] ? warn_alloc+0x120/0x120 [ 479.674689] ? rcu_softirq_qs+0x20/0x20 [ 479.678696] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 479.684238] ? should_fail+0x22d/0xd01 [ 479.688135] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 479.693250] ? zap_class+0x640/0x640 [ 479.696995] ? __lock_is_held+0xb5/0x140 [ 479.701069] ? mark_held_locks+0x130/0x130 [ 479.705310] ? lock_release+0xa00/0xa00 [ 479.709287] ? perf_trace_sched_process_exec+0x860/0x860 [ 479.714752] ? __might_sleep+0x95/0x190 [ 479.718734] __alloc_pages_nodemask+0xa80/0xde0 [ 479.723936] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 479.728963] ? __page_cache_alloc+0x191/0x5c0 [ 479.733463] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 479.738392] ? kasan_check_read+0x11/0x20 [ 479.742538] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 479.747815] ? zap_class+0x640/0x640 [ 479.751539] ? zap_class+0x640/0x640 [ 479.755267] ? zap_class+0x640/0x640 [ 479.758985] ? __do_page_cache_readahead+0x7ce/0x980 [ 479.764103] ? find_held_lock+0x36/0x1c0 [ 479.768195] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 479.773747] alloc_pages_current+0x173/0x350 [ 479.778162] __page_cache_alloc+0x38c/0x5c0 [ 479.782488] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 479.787444] ? kasan_check_read+0x11/0x20 [ 479.791613] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 479.796897] ? generic_perform_write+0x6a0/0x6a0 [ 479.801655] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 479.807203] ? check_preemption_disabled+0x48/0x280 [ 479.812229] filemap_fault+0x1594/0x25f0 [ 479.816308] ? __lock_page_or_retry+0xa00/0xa00 [ 479.820999] ? mark_held_locks+0x130/0x130 [ 479.825237] ? rcu_softirq_qs+0x20/0x20 [ 479.829237] ? filemap_map_pages+0xe04/0x1990 [ 479.833749] ? __free_object+0x173/0x340 [ 479.837841] ? add_to_page_cache_lru+0x10b0/0x10b0 [ 479.842770] ? trace_hardirqs_off_caller+0x310/0x310 [ 479.847906] ? hrtimer_try_to_cancel+0xb8/0x6f0 [ 479.852592] ? debug_object_free+0x32d/0x690 [ 479.856999] ? kasan_check_read+0x11/0x20 [ 479.861166] ? debug_object_destroy+0x2b0/0x2b0 [ 479.865849] ? lock_pi_update_atomic+0x150/0x150 [ 479.870607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 479.876160] ? __hrtimer_init+0xdb/0x240 [ 479.880267] ? lock_acquire+0x1ed/0x520 [ 479.884267] ? ext4_filemap_fault+0x7a/0xad [ 479.888597] ? lock_release+0xa00/0xa00 [ 479.892590] ? perf_trace_sched_process_exec+0x860/0x860 [ 479.898042] ? print_usage_bug+0xc0/0xc0 [ 479.902118] ? print_usage_bug+0xc0/0xc0 [ 479.906202] ? down_read+0x8d/0x120 [ 479.909828] ? ext4_filemap_fault+0x7a/0xad [ 479.914154] ? __down_interruptible+0x700/0x700 [ 479.918844] ext4_filemap_fault+0x82/0xad [ 479.922993] __do_fault+0x100/0x6b0 [ 479.926623] ? pmd_devmap_trans_unstable+0x220/0x220 [ 479.931730] ? mark_held_locks+0x130/0x130 [ 479.935970] ? mark_held_locks+0x130/0x130 [ 479.940226] ? debug_smp_processor_id+0x1c/0x20 [ 479.944903] ? perf_trace_lock+0x14d/0x7a0 [ 479.949143] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 479.954689] __handle_mm_fault+0x307c/0x5920 [ 479.959132] ? vmf_insert_mixed_mkwrite+0xa0/0xa0 [ 479.963976] ? lock_is_held_type+0x210/0x210 [ 479.968437] ? zap_class+0x640/0x640 [ 479.972161] ? zap_class+0x640/0x640 [ 479.975887] ? __x64_sys_futex+0x53e/0x6a0 [ 479.980130] ? find_held_lock+0x36/0x1c0 [ 479.984206] ? handle_mm_fault+0x42a/0xc70 [ 479.988445] ? lock_downgrade+0x900/0x900 [ 479.992591] ? check_preemption_disabled+0x48/0x280 [ 479.997620] ? rcu_read_unlock_special+0x1c0/0x1c0 [ 480.002548] ? kasan_check_read+0x11/0x20 [ 480.006700] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 480.011986] ? rcu_softirq_qs+0x20/0x20 [ 480.015978] ? trace_hardirqs_off_caller+0x310/0x310 [ 480.021080] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 480.026621] ? check_preemption_disabled+0x48/0x280 [ 480.031649] handle_mm_fault+0x54f/0xc70 [ 480.035714] ? __handle_mm_fault+0x5920/0x5920 [ 480.040304] ? find_vma+0x34/0x190 [ 480.043856] __do_page_fault+0x5e8/0xe60 [ 480.047924] ? trace_hardirqs_off+0xb8/0x310 [ 480.052338] ? trace_hardirqs_off+0xb8/0x310 [ 480.056759] do_page_fault+0xf2/0x7e0 [ 480.060561] ? vmalloc_sync_all+0x30/0x30 [ 480.064728] ? error_entry+0x70/0xd0 [ 480.068443] ? trace_hardirqs_off_caller+0xbb/0x310 [ 480.073458] ? trace_hardirqs_on_caller+0xc0/0x310 [ 480.078391] ? syscall_return_slowpath+0x5e0/0x5e0 [ 480.083322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 480.088168] ? trace_hardirqs_on_caller+0x310/0x310 [ 480.093199] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 480.098654] ? prepare_exit_to_usermode+0x291/0x3b0 [ 480.103689] ? page_fault+0x8/0x30 [ 480.107234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 480.112083] ? page_fault+0x8/0x30 [ 480.115630] page_fault+0x1e/0x30 [ 480.119093] RIP: 0033:0x45ddf3 [ 480.122300] Code: Bad RIP value. [ 480.125664] RSP: 002b:000000c420023ea0 EFLAGS: 00010202 [ 480.131036] RAX: ffffffffffffff92 RBX: 000000003b96c4fb RCX: 000000000045ddf3 [ 480.138315] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000014cd940 [ 480.145585] RBP: 000000c420023ee8 R08: 0000000000000000 R09: 0000000000000000 [ 480.152850] R10: 000000c420023ed8 R11: 0000000000000202 R12: 0000000000000001 [ 480.160132] R13: 0000000000000020 R14: 0000000000000013 R15: 0000000000000000 [ 480.167444] CPU: 0 PID: 18540 Comm: syz-executor3 Not tainted 4.19.0+ #134 [ 480.167450] warn_alloc_show_mem: 1 callbacks suppressed [ 480.167455] Mem-Info: [ 480.167498] active_anon:62883 inactive_anon:113 isolated_anon:0 [ 480.167498] active_file:13 inactive_file:17 isolated_file:0 [ 480.167498] unevictable:0 dirty:0 writeback:0 unstable:0 [ 480.167498] slab_reclaimable:9465 slab_unreclaimable:1459554 [ 480.167498] mapped:49154 shmem:4214 pagetables:691 bounce:0 [ 480.167498] free:13759 free_pcp:161 free_cma:0 [ 480.174495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 480.179869] Node 0 active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:196616kB dirty:0kB writeback:0kB shmem:16856kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 217088kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 480.182291] Call Trace: [ 480.215243] Node 0 [ 480.224591] [ 480.252275] 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 [ 480.254847] dump_stack+0x244/0x39d [ 480.257055] lowmem_reserve[]: [ 480.259208] ? dump_stack_print_info.cold.1+0x20/0x20 [ 480.284702] 0 [ 480.288341] warn_alloc.cold.117+0xb7/0x1bd [ 480.291413] 2819 [ 480.296698] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 480.298477] 6323 [ 480.302798] ? lock_downgrade+0x900/0x900 [ 480.304842] 6323 [ 480.309692] ? trace_hardirqs_off+0xb8/0x310 [ 480.315894] ? trace_hardirqs_off+0xb8/0x310 [ 480.317935] Node 0 [ 480.322360] __alloc_pages_slowpath+0x2660/0x2d70 [ 480.326766] DMA32 free:25132kB 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:2890760kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:0kB free_cma:0kB [ 480.329000] ? native_queued_spin_lock_slowpath+0x1ec/0x13d0 [ 480.333792] lowmem_reserve[]: 0 [ 480.360520] ? warn_alloc+0x120/0x120 [ 480.366295] 0 [ 480.369577] ? __lock_acquire+0x62f/0x4c20 [ 480.373361] 3503 [ 480.375160] ? __lock_acquire+0x62f/0x4c20 [ 480.379371] 3503 [ 480.381430] ? warn_alloc+0x120/0x120 [ 480.387704] ? print_usage_bug+0xc0/0xc0 [ 480.391482] Node 0 [ 480.395548] ? warn_alloc+0x120/0x120 [ 480.395580] Normal free:13996kB min:37352kB low:46688kB high:56024kB active_anon:251532kB inactive_anon:452kB active_file:52kB inactive_file:68kB unevictable:0kB writepending:0kB present:4718592kB managed:3588076kB mlocked:0kB kernel_stack:5376kB pagetables:2764kB bounce:0kB free_pcp:396kB local_pcp:300kB free_cma:0kB [ 480.395587] lowmem_reserve[]: [ 480.397823] ? print_usage_bug+0xc0/0xc0 [ 480.401603] 0 [ 480.429876] ? mark_held_locks+0x130/0x130 [ 480.432968] 0 [ 480.437031] ? mark_held_locks+0x130/0x130 [ 480.438817] 0 [ 480.443049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 480.444831] 0 [ 480.449066] ? should_fail+0x22d/0xd01 [ 480.456377] ? zap_class+0x640/0x640 [ 480.458161] Node 0 [ 480.462045] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 480.465732] DMA: [ 480.467970] ? __lock_acquire+0x62f/0x4c20 [ 480.473051] 1*4kB [ 480.475146] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 480.479363] (U) [ 480.481512] ? should_fail+0x22d/0xd01 [ 480.486596] 0*8kB [ 480.488577] ? mark_held_locks+0x130/0x130 [ 480.492449] 0*16kB [ 480.494603] ? mark_held_locks+0x130/0x130 [ 480.498820] 1*32kB [ 480.501056] ? lock_downgrade+0x900/0x900 [ 480.505272] (U) [ 480.507504] ? zap_class+0x640/0x640 [ 480.511633] 2*64kB [ 480.513603] ? zap_class+0x640/0x640 [ 480.517296] (U) [ 480.519530] ? zap_class+0x640/0x640 [ 480.523224] 1*128kB [ 480.525196] ? do_raw_spin_unlock+0xa7/0x330 [ 480.525213] ? trace_hardirqs_on+0x310/0x310 [ 480.528909] (U) [ 480.531237] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.535623] 1*256kB [ 480.540030] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.541985] (U) [ 480.547517] ? check_preemption_disabled+0x48/0x280 [ 480.549824] 0*512kB [ 480.555364] ? __lock_is_held+0xb5/0x140 [ 480.557315] 1*1024kB [ 480.562327] __alloc_pages_nodemask+0xa80/0xde0 [ 480.564630] (U) [ 480.568691] ? zap_class+0x640/0x640 [ 480.571082] 1*2048kB [ 480.575745] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 480.577697] (M) [ 480.581417] ? find_held_lock+0x36/0x1c0 [ 480.583805] 3*4096kB [ 480.588824] ? ____cache_alloc_node+0x1c7/0x1e0 [ 480.590774] (M) [ 480.594834] ? lock_downgrade+0x900/0x900 [ 480.597222] = 15908kB [ 480.601891] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.603841] Node 0 [ 480.607989] cache_grow_begin+0xa5/0x8c0 [ 480.610378] DMA32: [ 480.616430] ? do_raw_spin_unlock+0xa7/0x330 [ 480.618653] 5*4kB [ 480.622713] fallback_alloc+0x204/0x2e0 [ 480.624924] (UM) [ 480.629381] ____cache_alloc_node+0x1c7/0x1e0 [ 480.631511] 1*8kB [ 480.635488] kmem_cache_alloc_node+0xe3/0x730 [ 480.637531] (M) [ 480.642025] ? lockdep_hardirqs_on+0x296/0x5b0 [ 480.644148] 3*16kB (M) [ 480.648679] __alloc_skb+0x119/0x770 [ 480.650631] 3*32kB [ 480.655217] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 480.657779] (UM) [ 480.661491] ? netdev_alloc_frag+0x1f0/0x1f0 [ 480.663721] 2*64kB [ 480.669089] ? vprintk_default+0x28/0x30 [ 480.671126] (M) [ 480.675535] ? vprintk_func+0x85/0x181 [ 480.677762] 2*128kB [ 480.681819] ? printk+0xa7/0xcf [ 480.683778] (M) [ 480.687676] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 480.689979] 4*256kB [ 480.693266] new_skb+0x26/0x1c0 [ 480.695219] (M) [ 480.699975] aoecmd_cfg+0x279/0x7f0 [ 480.702282] 4*512kB (UM) [ 480.705568] ? find_held_lock+0x36/0x1c0 [ 480.707529] 3*1024kB [ 480.711170] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 480.713907] (UM) [ 480.717981] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.720367] 3*2048kB [ 480.724689] ? __lock_is_held+0xb5/0x140 [ 480.726726] (M) [ 480.732265] discover_timer+0x50/0x60 [ 480.734646] 3*4096kB [ 480.738705] call_timer_fn+0x272/0x920 [ 480.740658] (M) [ 480.744462] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 480.746846] = 25132kB [ 480.750729] ? process_timeout+0x40/0x40 [ 480.752684] Node 0 [ 480.757528] ? __run_timers+0x7da/0xc70 [ 480.759926] Normal: [ 480.763988] ? _raw_spin_unlock_irq+0x27/0x80 [ 480.766200] 951*4kB [ 480.770173] ? _raw_spin_unlock_irq+0x27/0x80 [ 480.772474] (UMEH) [ 480.776968] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 480.779275] 234*8kB [ 480.783763] ? lockdep_hardirqs_on+0x296/0x5b0 [ 480.785977] (UME) [ 480.790819] ? trace_hardirqs_on+0xbd/0x310 [ 480.793121] 222*16kB [ 480.797703] ? kasan_check_read+0x11/0x20 [ 480.799827] (UMEH) [ 480.804161] ? __run_timers+0x7da/0xc70 [ 480.806555] 132*32kB [ 480.810699] ? trace_hardirqs_off_caller+0x310/0x310 [ 480.812916] (UM) [ 480.816896] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 480.819276] 1*64kB [ 480.824375] __run_timers+0x7e5/0xc70 [ 480.826418] (H) [ 480.831265] ? timer_fixup_init+0x70/0x70 [ 480.833476] 0*128kB [ 480.837274] ? kasan_check_read+0x11/0x20 [ 480.839229] 0*256kB [ 480.843376] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 480.845678] 1*512kB [ 480.849824] ? rcu_softirq_qs+0x20/0x20 [ 480.852129] (H) [ 480.857403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.859710] 0*1024kB [ 480.863692] ? check_preemption_disabled+0x48/0x280 [ 480.865649] 0*2048kB [ 480.871196] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 480.873603] 0*4096kB [ 480.878626] ? retint_kernel+0x2d/0x2d [ 480.881019] = 14028kB [ 480.885771] ? trace_hardirqs_on_caller+0xc0/0x310 [ 480.888182] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 480.892067] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 480.894466] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 480.899386] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 480.908204] 4244 total pagecache pages [ 480.912983] ? zap_class+0x640/0x640 [ 480.921551] 0 pages in swap cache [ 480.926987] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.930853] Swap cache stats: add 0, delete 0, find 0/0 [ 480.934563] ? check_preemption_disabled+0x48/0x280 [ 480.938014] Free swap = 0kB [ 480.943552] ? __lock_is_held+0xb5/0x140 [ 480.948892] Total swap = 0kB [ 480.953905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 480.956916] 1965979 pages RAM [ 480.960974] ? check_preemption_disabled+0x48/0x280 [ 480.963988] 0 pages HighMem/MovableOnly [ 480.969530] run_timer_softirq+0x52/0xb0 [ 480.972604] 342293 pages reserved [ 480.972613] 0 pages cma reserved [ 480.977650] ? rcu_read_lock_sched_held+0x14f/0x180 [ 480.981677] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 480.985661] __do_softirq+0x308/0xb7e [ 480.989189] syz-fuzzer: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 480.992472] ? ktime_get_raw_ts64+0x4d0/0x4d0 [ 480.997469] syz-fuzzer cpuset= [ 481.003952] ? lock_downgrade+0x900/0x900 [ 481.003973] ? __irqentry_text_end+0x1f9658/0x1f9658 [ 481.007749] / [ 481.017980] ? pvclock_read_flags+0x160/0x160 [ 481.022451] mems_allowed=0 [ 481.025643] ? lapic_next_event+0x5a/0x90 [ 481.048148] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.053697] ? kvm_clock_read+0x18/0x30 [ 481.057672] ? kvm_sched_clock_read+0x9/0x20 [ 481.062085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.067625] ? check_preemption_disabled+0x48/0x280 [ 481.072654] irq_exit+0x17f/0x1c0 [ 481.076115] smp_apic_timer_interrupt+0x1cb/0x760 [ 481.080960] ? smp_reschedule_interrupt+0x109/0x650 [ 481.086007] ? smp_call_function_single_interrupt+0x650/0x650 [ 481.091890] ? interrupt_entry+0xb5/0xc0 [ 481.095980] ? trace_hardirqs_off_caller+0xbb/0x310 [ 481.101022] ? trace_hardirqs_off_caller+0xbb/0x310 [ 481.106065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 481.110910] ? trace_hardirqs_on_caller+0x310/0x310 [ 481.115927] ? trace_hardirqs_on_caller+0x310/0x310 [ 481.120981] ? task_prio+0x50/0x50 [ 481.124525] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.130064] ? check_preemption_disabled+0x48/0x280 [ 481.135089] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 481.139945] apic_timer_interrupt+0xf/0x20 [ 481.144172] [ 481.146421] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 481.151369] Code: 7e 0f 85 cf fe ff ff e8 76 72 3e ff e9 c5 fe ff ff e8 0d a4 c3 ff 48 83 3d e5 ec 6f 07 00 0f 84 41 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 c2 3b [ 481.170279] RSP: 0018:ffff8801c9a07740 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 481.177988] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 481.185254] RDX: 0000000000000000 RSI: ffff8801b9ebcc40 RDI: 0000000000000286 [ 481.192521] RBP: ffff8801c9a077a8 R08: ffff8801b9ebc3c0 R09: 0000000000000000 [ 481.199789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 481.207053] R13: ffff8801d9bd2c80 R14: ffff8801d9bd2c80 R15: 0000000000480020 [ 481.214379] skb_clone+0x1bb/0x500 [ 481.217937] ? finish_task_switch+0x2f4/0x910 [ 481.222438] ? skb_split+0x11e0/0x11e0 [ 481.226337] ? preempt_notifier_register+0x200/0x200 [ 481.231440] ? __switch_to_asm+0x34/0x70 [ 481.235542] ? __switch_to_asm+0x34/0x70 [ 481.239606] ? __switch_to_asm+0x40/0x70 [ 481.243676] ? __switch_to_asm+0x34/0x70 [ 481.247734] ? __switch_to_asm+0x40/0x70 [ 481.251793] ? __switch_to_asm+0x34/0x70 [ 481.255851] ? __switch_to_asm+0x40/0x70 [ 481.259909] ? __switch_to_asm+0x34/0x70 [ 481.263977] ? __switch_to_asm+0x34/0x70 [ 481.268038] ? __switch_to_asm+0x40/0x70 [ 481.272098] ? __switch_to_asm+0x34/0x70 [ 481.276169] bpf_clone_redirect+0xb9/0x490 [ 481.280418] ? __schedule+0x8d7/0x21d0 [ 481.284317] bpf_prog_bebbfe2050753572+0x380/0x1000 [ 481.289346] ? __sched_text_start+0x8/0x8 [ 481.293498] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 481.298100] ? find_held_lock+0x36/0x1c0 [ 481.302211] ? lock_acquire+0x1ed/0x520 [ 481.306196] ? bpf_test_run+0x3cb/0x780 [ 481.310176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.315728] ? check_preemption_disabled+0x48/0x280 [ 481.320752] ? kasan_check_read+0x11/0x20 [ 481.324908] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 481.330194] ? rcu_softirq_qs+0x20/0x20 [ 481.334177] ? preempt_schedule+0x4d/0x60 [ 481.338346] ? ___preempt_schedule+0x16/0x18 [ 481.342762] ? bpf_test_run+0x25d/0x780 [ 481.346749] ? netlink_diag_dump+0x2a0/0x2a0 [ 481.351160] ? bpf_prog_test_run_skb+0x55a/0xcb0 [ 481.355927] ? bpf_prog_test_run_skb+0x73c/0xcb0 [ 481.360693] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 481.365540] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 481.371077] ? fput+0x130/0x1a0 [ 481.374387] ? __bpf_prog_get+0x9b/0x290 [ 481.378456] ? bpf_test_finish.isra.9+0x1f0/0x1f0 [ 481.383306] ? bpf_prog_test_run+0x130/0x1a0 [ 481.387723] ? __x64_sys_bpf+0x3d8/0x520 [ 481.391791] ? bpf_prog_get+0x20/0x20 [ 481.395631] ? do_syscall_64+0x1b9/0x820 [ 481.399694] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 481.405061] ? syscall_return_slowpath+0x5e0/0x5e0 [ 481.409989] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 481.414834] ? trace_hardirqs_on_caller+0x310/0x310 [ 481.419852] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 481.424867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.430407] ? prepare_exit_to_usermode+0x291/0x3b0 [ 481.435443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 481.440330] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 481.445724] CPU: 1 PID: 5396 Comm: syz-fuzzer Not tainted 4.19.0+ #134 [ 481.445805] aoe: skb alloc failure [ 481.452396] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 481.452402] Call Trace: [ 481.452409] [ 481.452426] dump_stack+0x244/0x39d [ 481.452445] ? dump_stack_print_info.cold.1+0x20/0x20 [ 481.456008] syz-executor3: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 481.465339] warn_alloc.cold.117+0xb7/0x1bd [ 481.467897] syz-executor3 cpuset= [ 481.470074] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 481.473680] syz3 [ 481.478867] ? lock_downgrade+0x900/0x900 [ 481.489333] mems_allowed=0 [ 481.493654] ? trace_hardirqs_off+0xb8/0x310 [ 481.515341] ? trace_hardirqs_off+0xb8/0x310 [ 481.519762] __alloc_pages_slowpath+0x2660/0x2d70 [ 481.524641] ? warn_alloc+0x120/0x120 [ 481.528459] ? warn_alloc+0x120/0x120 [ 481.532269] ? print_usage_bug+0xc0/0xc0 [ 481.536335] ? warn_alloc+0x120/0x120 [ 481.540140] ? print_usage_bug+0xc0/0xc0 [ 481.544219] ? __lock_acquire+0x62f/0x4c20 [ 481.548467] ? __lock_acquire+0x62f/0x4c20 [ 481.552712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 481.558256] ? should_fail+0x22d/0xd01 [ 481.562145] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 481.567429] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 481.572651] ? __lock_acquire+0x62f/0x4c20 [ 481.576893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 481.581994] ? __lock_acquire+0x62f/0x4c20 [ 481.586226] ? should_fail+0x22d/0xd01 [ 481.590111] ? rcu_irq_exit+0x1a2/0x390 [ 481.594099] ? mark_held_locks+0x130/0x130 [ 481.598340] ? mark_held_locks+0x130/0x130 [ 481.602582] ? mark_held_locks+0xc7/0x130 [ 481.606729] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 481.611765] ? zap_class+0x640/0x640 [ 481.615478] ? print_usage_bug+0xc0/0xc0 [ 481.619548] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.625094] ? check_preemption_disabled+0x48/0x280 [ 481.630122] ? __lock_is_held+0xb5/0x140 [ 481.634195] __alloc_pages_nodemask+0xa80/0xde0 [ 481.638863] ? zap_class+0x640/0x640 [ 481.642588] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 481.647616] ? find_held_lock+0x36/0x1c0 [ 481.651690] ? ____cache_alloc_node+0x1c7/0x1e0 [ 481.656366] ? lock_downgrade+0x900/0x900 [ 481.660524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.666084] cache_grow_begin+0xa5/0x8c0 [ 481.670150] ? do_raw_spin_unlock+0xa7/0x330 [ 481.674576] fallback_alloc+0x204/0x2e0 [ 481.678557] ____cache_alloc_node+0x1c7/0x1e0 [ 481.683058] kmem_cache_alloc_node+0xe3/0x730 [ 481.687569] ? ipv6_get_ifaddr+0x42e/0x620 [ 481.691825] __alloc_skb+0x119/0x770 [ 481.695543] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 481.700831] ? netdev_alloc_frag+0x1f0/0x1f0 [ 481.705254] ? lock_downgrade+0x900/0x900 [ 481.709419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 481.714971] ? refcount_sub_and_test_checked+0x203/0x310 [ 481.720431] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 481.726366] ? addrconf_rs_timer+0x690/0x690 [ 481.730795] ndisc_alloc_skb+0x144/0x340 [ 481.734865] ndisc_send_rs+0x331/0x6e0 [ 481.738760] addrconf_rs_timer+0x314/0x690 [ 481.743002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 481.747263] call_timer_fn+0x272/0x920 [ 481.751149] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 481.755387] ? process_timeout+0x40/0x40 [ 481.759460] ? mark_held_locks+0xc7/0x130 [ 481.763615] ? _raw_spin_unlock_irq+0x27/0x80 [ 481.768111] ? _raw_spin_unlock_irq+0x27/0x80 [ 481.772644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 481.777230] ? lockdep_hardirqs_on+0x296/0x5b0 [ 481.781847] ? trace_hardirqs_on+0xbd/0x310 [ 481.786169] ? kasan_check_read+0x11/0x20 [ 481.790326] ? __run_timers+0x7da/0xc70 [ 481.794302] ? trace_hardirqs_off_caller+0x310/0x310 [ 481.799412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 481.803651] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 481.807890] __run_timers+0x7e5/0xc70 [ 481.811720] ? timer_fixup_init+0x70/0x70 [ 481.815881] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 481.820898] ? zap_class+0x640/0x640 [ 481.824621] ? print_usage_bug+0xc0/0xc0 [ 481.828687] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 481.833885] ? find_held_lock+0x36/0x1c0 [ 481.837954] ? zap_class+0x640/0x640 [ 481.841677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20