ardirqs_off_thunk+0x1a/0x1c [ 326.313078] apic_timer_interrupt+0xf/0x20 [ 326.317306] [ 326.319545] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 326.324480] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 326.343395] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 326.351127] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 326.358397] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 326.365666] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 326.373463] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 326.380734] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 326.388059] skb_clone+0x1bb/0x500 [ 326.391603] ? finish_task_switch+0x1b4/0x910 [ 326.396100] ? skb_split+0x11e0/0x11e0 [ 326.400004] ? preempt_notifier_register+0x200/0x200 [ 326.405108] ? __switch_to_asm+0x34/0x70 [ 326.409206] ? __switch_to_asm+0x34/0x70 [ 326.413265] ? __switch_to_asm+0x40/0x70 [ 326.417325] ? __switch_to_asm+0x34/0x70 [ 326.421383] ? __switch_to_asm+0x40/0x70 [ 326.425443] ? __switch_to_asm+0x34/0x70 [ 326.429521] ? __switch_to_asm+0x40/0x70 [ 326.433581] ? __switch_to_asm+0x34/0x70 [ 326.437656] ? __switch_to_asm+0x34/0x70 [ 326.441717] ? __switch_to_asm+0x40/0x70 [ 326.445802] ? __switch_to_asm+0x34/0x70 [ 326.449899] bpf_clone_redirect+0xb9/0x490 [ 326.454135] ? __schedule+0x874/0x1ed0 [ 326.458041] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 326.463064] ? __sched_text_start+0x8/0x8 [ 326.467223] ? lockdep_hardirqs_on+0x421/0x5c0 [ 326.471807] ? retint_kernel+0x2d/0x2d [ 326.475695] ? trace_hardirqs_on_caller+0xc0/0x310 [ 326.480635] ? find_held_lock+0x36/0x1c0 [ 326.484720] ? lock_acquire+0x1ed/0x520 [ 326.488708] ? bpf_test_run+0x32e/0x5a0 [ 326.492683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.498223] ? check_preemption_disabled+0x48/0x280 [ 326.503246] ? kasan_check_read+0x11/0x20 [ 326.507393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 326.512683] ? rcu_bh_qs+0xc0/0xc0 [ 326.516232] ? preempt_schedule+0x4d/0x60 [ 326.520382] ? ___preempt_schedule+0x16/0x18 [ 326.524799] ? bpf_test_run+0x1c0/0x5a0 [ 326.528796] ? netlink_diag_dump+0x2a0/0x2a0 [ 326.533215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.538749] ? bpf_test_init.isra.9+0x70/0x100 [ 326.543340] ? bpf_prog_test_run_skb+0x634/0xb40 [ 326.548119] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 326.552961] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 326.558496] ? fput+0x130/0x1a0 [ 326.561777] ? __bpf_prog_get+0x9b/0x290 [ 326.565856] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 326.570697] ? bpf_prog_test_run+0x130/0x1a0 [ 326.575110] ? __x64_sys_bpf+0x3d8/0x510 [ 326.579188] ? bpf_prog_get+0x20/0x20 [ 326.583016] ? do_syscall_64+0x1b9/0x820 [ 326.587076] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 326.592459] ? syscall_return_slowpath+0x5e0/0x5e0 [ 326.597396] ? trace_hardirqs_on_caller+0x310/0x310 [ 326.602417] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 326.607437] ? recalc_sigpending_tsk+0x180/0x180 [ 326.612222] ? kasan_check_write+0x14/0x20 [ 326.616467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 326.621331] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 326.626715] CPU: 0 PID: 5447 Comm: kworker/0:2 Not tainted 4.19.0-rc8+ #67 [ 326.626792] aoe: skb alloc failure [ 326.633733] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 326.633758] Workqueue: events_power_efficient neigh_periodic_work [ 326.633767] Call Trace: [ 326.633788] dump_stack+0x1c4/0x2b6 [ 326.637339] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 326.646669] ? dump_stack_print_info.cold.1+0x20/0x20 [ 326.652917] syz-executor1 cpuset= [ 326.655521] warn_alloc.cold.119+0xb7/0x1bd [ 326.659134] syz1 [ 326.669651] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 326.674821] mems_allowed=0 [ 326.678268] ? lock_downgrade+0x900/0x900 [ 326.696419] ? trace_hardirqs_off+0xb8/0x310 [ 326.700843] ? trace_hardirqs_off+0xb8/0x310 [ 326.705279] __alloc_pages_slowpath+0x265e/0x2d70 [ 326.710188] ? mark_held_locks+0x130/0x130 [ 326.714517] ? warn_alloc+0x120/0x120 [ 326.718356] ? cpuacct_charge+0x265/0x440 [ 326.722511] ? warn_alloc+0x120/0x120 [ 326.726319] ? print_usage_bug+0xc0/0xc0 [ 326.730386] ? warn_alloc+0x120/0x120 [ 326.734197] ? print_usage_bug+0xc0/0xc0 [ 326.738260] ? __lock_acquire+0x7ec/0x4ec0 [ 326.742507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 326.748050] ? should_fail+0x22d/0xd01 [ 326.751945] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 326.757055] ? __lock_acquire+0x7ec/0x4ec0 [ 326.761297] ? __lock_acquire+0x7ec/0x4ec0 [ 326.765563] ? should_fail+0x22d/0xd01 [ 326.769467] ? mark_held_locks+0x130/0x130 [ 326.773710] ? mark_held_locks+0x130/0x130 [ 326.777944] ? rcu_read_lock_sched_held+0x108/0x120 [ 326.783222] ? update_load_avg+0x2470/0x2470 [ 326.787639] ? graph_lock+0x170/0x170 [ 326.791454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.796999] ? check_preemption_disabled+0x48/0x280 [ 326.802015] ? check_preemption_disabled+0x48/0x280 [ 326.807045] ? __lock_is_held+0xb5/0x140 [ 326.811112] __alloc_pages_nodemask+0xa80/0xde0 [ 326.815832] ? graph_lock+0x170/0x170 [ 326.819641] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 326.824655] ? graph_lock+0x170/0x170 [ 326.828474] ? find_held_lock+0x36/0x1c0 [ 326.833072] ? ____cache_alloc_node+0x1c7/0x1e0 [ 326.837742] ? lock_downgrade+0x900/0x900 [ 326.841902] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.847451] cache_grow_begin+0x91/0x8c0 [ 326.851516] ? do_raw_spin_unlock+0xa7/0x330 [ 326.855934] fallback_alloc+0x203/0x2e0 [ 326.859919] ____cache_alloc_node+0x1c7/0x1e0 [ 326.864423] kmem_cache_alloc_node+0xe3/0x730 [ 326.868924] ? graph_lock+0x170/0x170 [ 326.872886] ? __sched_text_start+0x8/0x8 [ 326.877045] __alloc_skb+0x119/0x770 [ 326.880788] ? graph_lock+0x170/0x170 [ 326.884594] ? rcu_is_watching+0x30/0x30 [ 326.888658] ? skb_scrub_packet+0x490/0x490 [ 326.892980] ? find_held_lock+0x36/0x1c0 [ 326.897066] ? neigh_periodic_work+0x8ca/0xc60 [ 326.901668] ? lock_downgrade+0x900/0x900 [ 326.905821] ? lock_release+0x970/0x970 [ 326.909810] __neigh_notify+0x8c/0x160 [ 326.913857] neigh_cleanup_and_release+0x7b/0xe0 [ 326.918611] neigh_periodic_work+0x8d2/0xc60 [ 326.923032] ? neigh_del+0x420/0x420 [ 326.926747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 326.932298] ? check_preemption_disabled+0x48/0x280 [ 326.937422] ? check_preemption_disabled+0x48/0x280 [ 326.942466] ? __lock_is_held+0xb5/0x140 [ 326.946560] process_one_work+0xc90/0x1c40 [ 326.950826] ? mark_held_locks+0x130/0x130 [ 326.955092] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 326.959767] ? __switch_to_asm+0x40/0x70 [ 326.963845] ? __switch_to_asm+0x34/0x70 [ 326.967916] ? __switch_to_asm+0x40/0x70 [ 326.971975] ? __switch_to_asm+0x34/0x70 [ 326.976042] ? __switch_to_asm+0x40/0x70 [ 326.980120] ? __switch_to_asm+0x34/0x70 [ 326.984187] ? __switch_to_asm+0x40/0x70 [ 326.988258] ? __schedule+0x874/0x1ed0 [ 326.992145] ? __switch_to_asm+0x34/0x70 [ 326.996215] ? __switch_to_asm+0x40/0x70 [ 327.000301] ? graph_lock+0x170/0x170 [ 327.004130] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.008711] ? retint_kernel+0x2d/0x2d [ 327.012619] ? find_held_lock+0x36/0x1c0 [ 327.016692] ? lock_acquire+0x1ed/0x520 [ 327.020673] ? worker_thread+0x3e0/0x1390 [ 327.024832] ? lock_release+0x970/0x970 [ 327.028813] ? trace_hardirqs_off+0xb8/0x310 [ 327.033242] ? kasan_check_read+0x11/0x20 [ 327.037388] ? worker_thread+0x3e0/0x1390 [ 327.041542] ? trace_hardirqs_on+0x310/0x310 [ 327.045960] ? kasan_check_write+0x14/0x20 [ 327.050204] ? do_raw_spin_lock+0xc1/0x230 [ 327.054455] worker_thread+0x17f/0x1390 [ 327.058430] ? __switch_to_asm+0x34/0x70 [ 327.062515] ? process_one_work+0x1c40/0x1c40 [ 327.067039] ? graph_lock+0x170/0x170 [ 327.071026] ? graph_lock+0x170/0x170 [ 327.074858] ? find_held_lock+0x36/0x1c0 [ 327.078977] ? find_held_lock+0x36/0x1c0 [ 327.083054] ? __kthread_parkme+0xce/0x1a0 [ 327.087295] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.092396] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.097499] ? lockdep_hardirqs_on+0x421/0x5c0 [ 327.102085] ? trace_hardirqs_on+0xbd/0x310 [ 327.106409] ? kasan_check_read+0x11/0x20 [ 327.110566] ? __kthread_parkme+0xce/0x1a0 [ 327.114802] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.120260] ? kasan_check_write+0x14/0x20 [ 327.124504] ? do_raw_spin_lock+0xc1/0x230 [ 327.128762] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 327.133868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.139406] ? __kthread_parkme+0xfb/0x1a0 [ 327.143657] kthread+0x35a/0x420 [ 327.147032] ? process_one_work+0x1c40/0x1c40 [ 327.151528] ? kthread_bind+0x40/0x40 [ 327.155334] ret_from_fork+0x3a/0x50 [ 327.159067] warn_alloc_show_mem: 1 callbacks suppressed [ 327.159080] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 327.159082] Mem-Info: [ 327.159115] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 327.159115] active_file:15 inactive_file:13 isolated_file:0 [ 327.159115] unevictable:0 dirty:0 writeback:0 unstable:0 [ 327.159115] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 327.159115] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 327.159115] free:13788 free_pcp:609 free_cma:0 [ 327.164465] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 327.171744] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 327.174158] Call Trace: [ 327.207050] Node 0 [ 327.216401] [ 327.243917] 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 [ 327.246490] dump_stack+0x1c4/0x2b6 [ 327.248697] lowmem_reserve[]: [ 327.250849] ? dump_stack_print_info.cold.1+0x20/0x20 [ 327.276331] 0 [ 327.279972] warn_alloc.cold.119+0xb7/0x1bd [ 327.283039] 2819 [ 327.288223] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 327.290000] 6323 [ 327.294315] ? lock_downgrade+0x900/0x900 [ 327.296353] 6323 [ 327.301198] ? trace_hardirqs_off+0xb8/0x310 [ 327.307391] ? trace_hardirqs_off+0xb8/0x310 [ 327.309427] Node 0 [ 327.313832] __alloc_pages_slowpath+0x265e/0x2d70 [ 327.318240] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 327.320482] ? warn_alloc+0x120/0x120 [ 327.325275] lowmem_reserve[]: 0 [ 327.352184] ? warn_alloc+0x120/0x120 [ 327.355978] 0 [ 327.359267] ? print_usage_bug+0xc0/0xc0 [ 327.363059] 3503 [ 327.364869] ? warn_alloc+0x120/0x120 [ 327.368907] 3503 [ 327.370964] ? print_usage_bug+0xc0/0xc0 [ 327.374744] Node 0 [ 327.376803] ? mark_held_locks+0x130/0x130 [ 327.380868] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 327.383072] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 327.387287] lowmem_reserve[]: 0 [ 327.415663] ? should_fail+0x22d/0xd01 [ 327.421182] 0 [ 327.424462] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.428318] 0 0 [ 327.430128] ? __lock_acquire+0x7ec/0x4ec0 [ 327.435211] Node 0 [ 327.437200] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 327.441408] DMA: [ 327.443639] ? __lock_acquire+0x7ec/0x4ec0 [ 327.448717] 1*4kB [ 327.450799] ? should_fail+0x22d/0xd01 [ 327.455008] (U) [ 327.457157] ? mark_held_locks+0x130/0x130 [ 327.461018] 0*8kB [ 327.462989] ? mark_held_locks+0x130/0x130 [ 327.467200] 0*16kB [ 327.469346] ? lock_downgrade+0x900/0x900 [ 327.473553] 1*32kB (U) [ 327.475790] ? graph_lock+0x170/0x170 [ 327.479912] 2*64kB (U) [ 327.482502] ? graph_lock+0x170/0x170 [ 327.486272] 1*128kB (U) [ 327.488857] ? graph_lock+0x170/0x170 [ 327.492637] 1*256kB [ 327.495303] ? print_usage_bug+0xc0/0xc0 [ 327.499082] (U) [ 327.501400] ? do_raw_spin_unlock+0xa7/0x330 [ 327.505436] 0*512kB [ 327.507406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.511786] 1*1024kB [ 327.514106] ? check_preemption_disabled+0x48/0x280 [ 327.519609] (U) 1*2048kB [ 327.522038] ? check_preemption_disabled+0x48/0x280 [ 327.527027] (M) [ 327.529783] ? __lock_is_held+0xb5/0x140 [ 327.534772] 3*4096kB [ 327.536745] __alloc_pages_nodemask+0xa80/0xde0 [ 327.540769] (M) = 15908kB [ 327.543189] ? graph_lock+0x170/0x170 [ 327.547835] Node 0 [ 327.550588] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 327.554364] DMA32: [ 327.556594] ? graph_lock+0x170/0x170 [ 327.561587] 5*4kB [ 327.563822] ? find_held_lock+0x36/0x1c0 [ 327.567591] (UM) 0*8kB [ 327.569750] ? ____cache_alloc_node+0x1c7/0x1e0 [ 327.573780] 3*16kB [ 327.576379] ? lock_downgrade+0x900/0x900 [ 327.581023] (UM) [ 327.583261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.587382] 2*32kB [ 327.589453] cache_grow_begin+0x91/0x8c0 [ 327.594986] (M) [ 327.597219] ? do_raw_spin_unlock+0xa7/0x330 [ 327.601259] 5*64kB [ 327.603234] fallback_alloc+0x203/0x2e0 [ 327.607614] (UM) [ 327.609852] ____cache_alloc_node+0x1c7/0x1e0 [ 327.613799] 4*128kB [ 327.615860] kmem_cache_alloc_node+0xe3/0x730 [ 327.620332] (UM) [ 327.622651] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 327.627118] 3*256kB [ 327.629211] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 327.634295] (M) [ 327.636617] __alloc_skb+0x119/0x770 [ 327.641164] 4*512kB (UM) [ 327.643166] ? calc_wheel_index+0x220/0x220 [ 327.646861] 3*1024kB [ 327.649613] ? skb_scrub_packet+0x490/0x490 [ 327.653903] (UM) 3*2048kB [ 327.656338] ? vprintk_default+0x28/0x30 [ 327.660631] (M) [ 327.663491] ? vprintk_func+0x85/0x181 [ 327.667546] 3*4096kB [ 327.669515] ? printk+0xa7/0xcf [ 327.673393] (M) [ 327.675800] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 327.679054] = 25284kB [ 327.681032] new_skb+0x26/0x1c0 [ 327.685754] Node 0 [ 327.688211] aoecmd_cfg+0x279/0x7f0 [ 327.691473] Normal: [ 327.693709] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 327.697311] 888*4kB [ 327.699627] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.703921] (UMEH) [ 327.706258] ? check_preemption_disabled+0x48/0x280 [ 327.711767] 387*8kB [ 327.713999] ? check_preemption_disabled+0x48/0x280 [ 327.719015] (UME) 157*16kB [ 327.721379] ? __lock_is_held+0xb5/0x140 [ 327.726367] (UME) [ 327.729298] discover_timer+0x50/0x60 [ 327.733325] 53*32kB [ 327.735496] call_timer_fn+0x272/0x920 [ 327.739284] (UMEH) [ 327.741625] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 327.745513] 26*64kB [ 327.747774] ? process_timeout+0x40/0x40 [ 327.752594] (UMH) [ 327.754921] ? find_held_lock+0x36/0x1c0 [ 327.758968] 4*128kB [ 327.761114] ? __run_timers+0x7da/0xc70 [ 327.765160] (UMH) [ 327.767488] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.771452] 0*256kB 0*512kB [ 327.773610] ? _raw_spin_unlock_irq+0x27/0x80 [ 327.778080] 1*1024kB [ 327.781092] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 327.785564] (H) [ 327.787970] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 327.792787] 0*2048kB [ 327.794775] ? trace_hardirqs_on+0xbd/0x310 [ 327.799331] 0*4096kB [ 327.801738] ? kasan_check_read+0x11/0x20 [ 327.806030] = 14056kB [ 327.808436] ? __run_timers+0x7da/0xc70 [ 327.812582] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 327.814984] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 327.818941] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 327.827776] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 327.833216] 147 total pagecache pages [ 327.841786] __run_timers+0x7e5/0xc70 [ 327.846639] 0 pages in swap cache [ 327.850446] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 327.854219] Swap cache stats: add 0, delete 0, find 0/0 [ 327.854228] Free swap = 0kB [ 327.857674] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 327.863011] Total swap = 0kB [ 327.868365] ? graph_lock+0x170/0x170 [ 327.871376] 1965979 pages RAM [ 327.876397] ? enqueue_hrtimer+0x1a5/0x560 [ 327.879391] 0 pages HighMem/MovableOnly [ 327.883196] ? lock_release+0x970/0x970 [ 327.886280] 342307 pages reserved [ 327.890523] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 327.894480] 0 pages cma reserved [ 327.898447] ? find_held_lock+0x36/0x1c0 [ 327.903454] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 327.907062] ? graph_lock+0x170/0x170 [ 327.910410] kworker/0:2 cpuset= [ 327.914987] ? pvclock_read_flags+0x160/0x160 [ 327.925291] / [ 327.929109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.932367] mems_allowed=0 [ 327.936871] ? check_preemption_disabled+0x48/0x280 [ 327.952152] ? __lock_is_held+0xb5/0x140 [ 327.956224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.961779] ? check_preemption_disabled+0x48/0x280 [ 327.966810] run_timer_softirq+0x52/0xb0 [ 327.970874] ? rcu_read_lock_sched_held+0x108/0x120 [ 327.975891] __do_softirq+0x30c/0xb03 [ 327.979701] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 327.984808] ? pvclock_read_flags+0x160/0x160 [ 327.989304] ? lapic_next_event+0x5a/0x90 [ 327.993453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 327.998993] ? check_preemption_disabled+0x48/0x280 [ 328.004007] ? check_preemption_disabled+0x48/0x280 [ 328.009029] ? kvm_clock_read+0x18/0x30 [ 328.013003] ? kvm_sched_clock_read+0x9/0x20 [ 328.017414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.022972] ? check_preemption_disabled+0x48/0x280 [ 328.028018] irq_exit+0x17f/0x1c0 [ 328.031477] smp_apic_timer_interrupt+0x1cb/0x760 [ 328.036319] ? smp_reschedule_interrupt+0x109/0x650 [ 328.041342] ? smp_call_function_single_interrupt+0x650/0x650 [ 328.047229] ? interrupt_entry+0xb5/0xf0 [ 328.051294] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.056326] ? trace_hardirqs_off_caller+0xbb/0x310 [ 328.061362] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.066225] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.071241] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.076261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.081800] ? check_preemption_disabled+0x48/0x280 [ 328.086819] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.092364] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.097219] apic_timer_interrupt+0xf/0x20 [ 328.101451] [ 328.103692] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 328.108622] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 328.127524] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 328.135234] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 328.142503] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 328.149785] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 328.157051] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 328.164317] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 328.171632] skb_clone+0x1bb/0x500 [ 328.175194] ? finish_task_switch+0x1b4/0x910 [ 328.179691] ? skb_split+0x11e0/0x11e0 [ 328.183580] ? preempt_notifier_register+0x200/0x200 [ 328.188686] ? __switch_to_asm+0x34/0x70 [ 328.192750] ? __switch_to_asm+0x34/0x70 [ 328.196809] ? __switch_to_asm+0x40/0x70 [ 328.200870] ? __switch_to_asm+0x34/0x70 [ 328.204990] ? __switch_to_asm+0x40/0x70 [ 328.209046] ? __switch_to_asm+0x34/0x70 [ 328.213106] ? __switch_to_asm+0x40/0x70 [ 328.217188] ? __switch_to_asm+0x34/0x70 [ 328.221253] ? __switch_to_asm+0x34/0x70 [ 328.225312] ? __switch_to_asm+0x40/0x70 [ 328.229369] ? __switch_to_asm+0x34/0x70 [ 328.233439] bpf_clone_redirect+0xb9/0x490 [ 328.237677] ? __schedule+0x874/0x1ed0 [ 328.241577] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 328.246597] ? __sched_text_start+0x8/0x8 [ 328.250750] ? lockdep_hardirqs_on+0x421/0x5c0 [ 328.255333] ? retint_kernel+0x2d/0x2d [ 328.259225] ? trace_hardirqs_on_caller+0xc0/0x310 [ 328.264162] ? find_held_lock+0x36/0x1c0 [ 328.268242] ? lock_acquire+0x1ed/0x520 [ 328.272237] ? bpf_test_run+0x32e/0x5a0 [ 328.276226] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.281764] ? check_preemption_disabled+0x48/0x280 [ 328.286803] ? kasan_check_read+0x11/0x20 [ 328.290964] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 328.296242] ? rcu_bh_qs+0xc0/0xc0 [ 328.299786] ? preempt_schedule+0x4d/0x60 [ 328.303977] ? ___preempt_schedule+0x16/0x18 [ 328.308409] ? bpf_test_run+0x1c0/0x5a0 [ 328.312401] ? netlink_diag_dump+0x2a0/0x2a0 [ 328.316817] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.322350] ? bpf_test_init.isra.9+0x70/0x100 [ 328.326937] ? bpf_prog_test_run_skb+0x634/0xb40 [ 328.331707] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 328.336549] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 328.342104] ? fput+0x130/0x1a0 [ 328.345390] ? __bpf_prog_get+0x9b/0x290 [ 328.349456] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 328.354300] ? bpf_prog_test_run+0x130/0x1a0 [ 328.358717] ? __x64_sys_bpf+0x3d8/0x510 [ 328.362777] ? bpf_prog_get+0x20/0x20 [ 328.366604] ? do_syscall_64+0x1b9/0x820 [ 328.370667] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 328.376034] ? syscall_return_slowpath+0x5e0/0x5e0 [ 328.380973] ? trace_hardirqs_on_caller+0x310/0x310 [ 328.385990] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 328.391024] ? recalc_sigpending_tsk+0x180/0x180 [ 328.395787] ? kasan_check_write+0x14/0x20 [ 328.400033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 328.404902] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 328.410289] CPU: 0 PID: 5447 Comm: kworker/0:2 Not tainted 4.19.0-rc8+ #67 [ 328.410360] aoe: skb alloc failure [ 328.417307] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.417329] Workqueue: events_power_efficient neigh_periodic_work [ 328.417340] Call Trace: [ 328.417360] dump_stack+0x1c4/0x2b6 [ 328.420968] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 328.430257] ? dump_stack_print_info.cold.1+0x20/0x20 [ 328.436463] syz-executor1 cpuset= [ 328.439055] warn_alloc.cold.119+0xb7/0x1bd [ 328.442648] syz1 [ 328.453128] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 328.458297] mems_allowed=0 [ 328.461742] ? lock_downgrade+0x900/0x900 [ 328.479910] ? trace_hardirqs_off+0xb8/0x310 [ 328.484330] ? trace_hardirqs_off+0xb8/0x310 [ 328.488752] __alloc_pages_slowpath+0x265e/0x2d70 [ 328.493634] ? warn_alloc+0x120/0x120 [ 328.497449] ? warn_alloc+0x120/0x120 [ 328.501255] ? print_usage_bug+0xc0/0xc0 [ 328.505317] ? warn_alloc+0x120/0x120 [ 328.509124] ? print_usage_bug+0xc0/0xc0 [ 328.513195] ? __lock_acquire+0x7ec/0x4ec0 [ 328.517437] ? lock_downgrade+0x900/0x900 [ 328.521596] ? check_preemption_disabled+0x48/0x280 [ 328.526621] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.532160] ? should_fail+0x22d/0xd01 [ 328.536065] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 328.541177] ? __lock_acquire+0x7ec/0x4ec0 [ 328.545458] ? __lock_acquire+0x7ec/0x4ec0 [ 328.549694] ? should_fail+0x22d/0xd01 [ 328.553596] ? mark_held_locks+0x130/0x130 [ 328.557840] ? mark_held_locks+0x130/0x130 [ 328.562073] ? rcu_read_lock_sched_held+0x108/0x120 [ 328.567096] ? update_load_avg+0x2470/0x2470 [ 328.571513] ? graph_lock+0x170/0x170 [ 328.575320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.580864] ? check_preemption_disabled+0x48/0x280 [ 328.585882] ? check_preemption_disabled+0x48/0x280 [ 328.590916] ? __lock_is_held+0xb5/0x140 [ 328.594987] __alloc_pages_nodemask+0xa80/0xde0 [ 328.599660] ? graph_lock+0x170/0x170 [ 328.603474] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 328.608493] ? graph_lock+0x170/0x170 [ 328.612313] ? find_held_lock+0x36/0x1c0 [ 328.616388] ? ____cache_alloc_node+0x1c7/0x1e0 [ 328.621075] ? lock_downgrade+0x900/0x900 [ 328.625233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.630783] cache_grow_begin+0x91/0x8c0 [ 328.634848] ? do_raw_spin_unlock+0xa7/0x330 [ 328.639277] fallback_alloc+0x203/0x2e0 [ 328.643261] ____cache_alloc_node+0x1c7/0x1e0 [ 328.647766] kmem_cache_alloc_node+0xe3/0x730 [ 328.652264] ? graph_lock+0x170/0x170 [ 328.656099] ? __sched_text_start+0x8/0x8 [ 328.660261] __alloc_skb+0x119/0x770 [ 328.663970] ? graph_lock+0x170/0x170 [ 328.667774] ? rcu_is_watching+0x30/0x30 [ 328.671841] ? skb_scrub_packet+0x490/0x490 [ 328.676209] ? find_held_lock+0x36/0x1c0 [ 328.680285] ? neigh_periodic_work+0x8ca/0xc60 [ 328.684872] ? lock_downgrade+0x900/0x900 [ 328.689027] ? lock_release+0x970/0x970 [ 328.693022] __neigh_notify+0x8c/0x160 [ 328.696919] neigh_cleanup_and_release+0x7b/0xe0 [ 328.701677] neigh_periodic_work+0x8d2/0xc60 [ 328.706112] ? neigh_del+0x420/0x420 [ 328.709848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 328.715390] ? check_preemption_disabled+0x48/0x280 [ 328.720411] ? check_preemption_disabled+0x48/0x280 [ 328.725462] ? __lock_is_held+0xb5/0x140 [ 328.729546] process_one_work+0xc90/0x1c40 [ 328.733782] ? mark_held_locks+0x130/0x130 [ 328.738041] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 328.742710] ? __switch_to_asm+0x40/0x70 [ 328.746771] ? __switch_to_asm+0x34/0x70 [ 328.750848] ? __switch_to_asm+0x40/0x70 [ 328.754923] ? __switch_to_asm+0x34/0x70 [ 328.758980] ? __switch_to_asm+0x40/0x70 [ 328.763037] ? __switch_to_asm+0x34/0x70 [ 328.767097] ? __switch_to_asm+0x40/0x70 [ 328.771167] ? __schedule+0x874/0x1ed0 [ 328.775076] ? __switch_to_asm+0x34/0x70 [ 328.779138] ? __switch_to_asm+0x40/0x70 [ 328.783486] ? graph_lock+0x170/0x170 [ 328.787318] ? lockdep_hardirqs_on+0x421/0x5c0 [ 328.791904] ? retint_kernel+0x2d/0x2d [ 328.795798] ? find_held_lock+0x36/0x1c0 [ 328.799871] ? lock_acquire+0x1ed/0x520 [ 328.803845] ? worker_thread+0x3e0/0x1390 [ 328.807997] ? lock_release+0x970/0x970 [ 328.811991] ? trace_hardirqs_off+0xb8/0x310 [ 328.816417] ? kasan_check_read+0x11/0x20 [ 328.820568] ? worker_thread+0x3e0/0x1390 [ 328.824719] ? trace_hardirqs_on+0x310/0x310 [ 328.829135] ? kasan_check_write+0x14/0x20 [ 328.833383] ? do_raw_spin_lock+0xc1/0x230 [ 328.837628] worker_thread+0x17f/0x1390 [ 328.841604] ? __switch_to_asm+0x34/0x70 [ 328.845684] ? process_one_work+0x1c40/0x1c40 [ 328.850196] ? graph_lock+0x170/0x170 [ 328.854006] ? graph_lock+0x170/0x170 [ 328.857810] ? find_held_lock+0x36/0x1c0 [ 328.861889] ? find_held_lock+0x36/0x1c0 [ 328.865962] ? __kthread_parkme+0xce/0x1a0 [ 328.870237] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.875375] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 328.880480] ? lockdep_hardirqs_on+0x421/0x5c0 [ 328.885064] ? trace_hardirqs_on+0xbd/0x310 [ 328.889388] ? kasan_check_read+0x11/0x20 [ 328.893554] ? __kthread_parkme+0xce/0x1a0 [ 328.897808] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 328.903281] ? kasan_check_write+0x14/0x20 [ 328.907523] ? do_raw_spin_lock+0xc1/0x230 [ 328.911768] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 328.917076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 328.922632] ? __kthread_parkme+0xfb/0x1a0 [ 328.926876] kthread+0x35a/0x420 [ 328.930259] ? process_one_work+0x1c40/0x1c40 [ 328.934753] ? kthread_bind+0x40/0x40 [ 328.938575] ret_from_fork+0x3a/0x50 [ 328.942303] warn_alloc_show_mem: 1 callbacks suppressed [ 328.942315] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 328.942317] Mem-Info: [ 328.942364] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 328.942364] active_file:15 inactive_file:13 isolated_file:0 [ 328.942364] unevictable:0 dirty:0 writeback:0 unstable:0 [ 328.942364] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 328.942364] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 328.942364] free:13788 free_pcp:609 free_cma:0 [ 328.947711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 328.947720] Call Trace: [ 328.954999] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 328.957415] [ 328.990278] Node 0 [ 328.999634] dump_stack+0x1c4/0x2b6 [ 329.002226] 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 [ 329.029701] ? dump_stack_print_info.cold.1+0x20/0x20 [ 329.031845] lowmem_reserve[]: [ 329.034104] warn_alloc.cold.119+0xb7/0x1bd [ 329.037699] 0 [ 329.063216] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 329.068426] 2819 [ 329.071659] ? lock_downgrade+0x900/0x900 [ 329.075952] 6323 6323 [ 329.077760] ? trace_hardirqs_off+0xb8/0x310 [ 329.084665] ? trace_hardirqs_off+0xb8/0x310 [ 329.088785] Node 0 [ 329.091282] __alloc_pages_slowpath+0x265e/0x2d70 [ 329.095689] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 329.100085] ? warn_alloc+0x120/0x120 [ 329.102266] lowmem_reserve[]: 0 [ 329.107111] ? pvclock_read_flags+0x160/0x160 [ 329.133972] 0 3503 [ 329.137791] ? warn_alloc+0x120/0x120 [ 329.141038] 3503 [ 329.145547] ? print_usage_bug+0xc0/0xc0 [ 329.147759] Node 0 [ 329.151656] ? warn_alloc+0x120/0x120 [ 329.153726] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 329.157753] ? kvm_clock_read+0x18/0x30 [ 329.159959] lowmem_reserve[]: 0 [ 329.163763] ? print_usage_bug+0xc0/0xc0 [ 329.192106] 0 [ 329.196079] ? ktime_get+0x2e1/0x440 [ 329.199364] 0 [ 329.203424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.205198] 0 [ 329.208920] ? check_preemption_disabled+0x48/0x280 [ 329.210697] Node 0 [ 329.216232] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 329.218010] DMA: [ 329.223020] ? should_fail+0x22d/0xd01 [ 329.225232] 1*4kB [ 329.230762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 329.232799] (U) [ 329.236684] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.238810] 0*8kB [ 329.244096] ? __lock_acquire+0x7ec/0x4ec0 [ 329.246049] 0*16kB [ 329.251145] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 329.253273] 1*32kB [ 329.257496] ? __lock_acquire+0x7ec/0x4ec0 [ 329.259735] (U) [ 329.264824] ? should_fail+0x22d/0xd01 [ 329.264840] ? print_usage_bug+0xc0/0xc0 [ 329.267058] 2*64kB [ 329.271285] ? mark_held_locks+0x130/0x130 [ 329.273234] (U) [ 329.277118] ? mark_held_locks+0x130/0x130 [ 329.281156] 1*128kB [ 329.283397] ? graph_lock+0x170/0x170 [ 329.287602] (U) [ 329.289575] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 329.293786] 1*256kB [ 329.296106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.299879] (U) [ 329.301850] ? check_preemption_disabled+0x48/0x280 [ 329.306867] 0*512kB 1*1024kB [ 329.309203] ? check_preemption_disabled+0x48/0x280 [ 329.314714] (U) [ 329.316693] ? __lock_is_held+0xb5/0x140 [ 329.321676] 1*2048kB [ 329.324777] __alloc_pages_nodemask+0xa80/0xde0 [ 329.329761] (M) [ 329.331747] ? graph_lock+0x170/0x170 [ 329.335785] 3*4096kB [ 329.338197] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 329.342840] (M) [ 329.344808] ? graph_lock+0x170/0x170 [ 329.348582] = 15908kB [ 329.351010] ? find_held_lock+0x36/0x1c0 [ 329.355997] Node 0 [ 329.357970] ? ____cache_alloc_node+0x1c7/0x1e0 [ 329.361735] DMA32: 5*4kB [ 329.364161] ? lock_downgrade+0x900/0x900 [ 329.368200] (UM) 0*8kB [ 329.370459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.375095] 3*16kB (UM) [ 329.377885] cache_grow_begin+0x91/0x8c0 [ 329.382008] 2*32kB [ 329.384603] ? do_raw_spin_unlock+0xa7/0x330 [ 329.390129] (M) [ 329.392799] fallback_alloc+0x203/0x2e0 [ 329.396834] 5*64kB [ 329.399064] ____cache_alloc_node+0x1c7/0x1e0 [ 329.403447] (UM) [ 329.405419] kmem_cache_alloc_node+0xe3/0x730 [ 329.409364] 4*128kB (UM) [ 329.411604] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 329.416068] 3*256kB (M) [ 329.418136] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 329.422613] 4*512kB [ 329.425368] __alloc_skb+0x119/0x770 [ 329.430447] (UM) [ 329.433106] ? calc_wheel_index+0x220/0x220 [ 329.437664] 3*1024kB [ 329.439995] ? skb_scrub_packet+0x490/0x490 [ 329.443684] (UM) [ 329.445748] ? vprintk_default+0x28/0x30 [ 329.450040] 3*2048kB [ 329.452439] ? vprintk_func+0x85/0x181 [ 329.456739] (M) 3*4096kB [ 329.458837] ? printk+0xa7/0xcf [ 329.462886] (M) [ 329.465304] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 329.469184] = 25284kB [ 329.471960] new_skb+0x26/0x1c0 [ 329.475215] Node 0 [ 329.477190] aoecmd_cfg+0x279/0x7f0 [ 329.481918] Normal: 888*4kB [ 329.484341] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 329.487595] (UMEH) [ 329.489827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.493432] 387*8kB [ 329.496448] ? check_preemption_disabled+0x48/0x280 [ 329.500744] (UME) [ 329.502980] ? check_preemption_disabled+0x48/0x280 [ 329.508486] 157*16kB (UME) [ 329.510819] ? __lock_is_held+0xb5/0x140 [ 329.515806] 53*32kB [ 329.517971] discover_timer+0x50/0x60 [ 329.522950] (UMEH) [ 329.525877] call_timer_fn+0x272/0x920 [ 329.529916] 26*64kB [ 329.532235] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 329.536009] (UMH) [ 329.538244] ? process_timeout+0x40/0x40 [ 329.542102] 4*128kB [ 329.544421] ? find_held_lock+0x36/0x1c0 [ 329.549238] (UMH) [ 329.551390] ? __run_timers+0x7da/0xc70 [ 329.555420] 0*256kB 0*512kB [ 329.557749] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.561782] 1*1024kB [ 329.563956] ? _raw_spin_unlock_irq+0x27/0x80 [ 329.567934] (H) [ 329.570965] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 329.575437] 0*2048kB [ 329.577840] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 329.582313] 0*4096kB [ 329.584280] ? trace_hardirqs_on+0xbd/0x310 [ 329.589095] = 14056kB [ 329.591502] ? kasan_check_read+0x11/0x20 [ 329.596070] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 329.598471] ? __run_timers+0x7da/0xc70 [ 329.602771] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 329.605176] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 329.609295] 147 total pagecache pages [ 329.618135] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 329.622109] 0 pages in swap cache [ 329.630669] __run_timers+0x7e5/0xc70 [ 329.636111] Swap cache stats: add 0, delete 0, find 0/0 [ 329.639907] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 329.644714] Free swap = 0kB [ 329.648158] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 329.651946] Total swap = 0kB [ 329.651953] 1965979 pages RAM [ 329.657304] ? graph_lock+0x170/0x170 [ 329.662660] 0 pages HighMem/MovableOnly [ 329.665686] ? enqueue_hrtimer+0x1a5/0x560 [ 329.670677] 342307 pages reserved [ 329.673703] ? lock_release+0x970/0x970 [ 329.676800] 0 pages cma reserved [ 329.680619] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 329.684744] kworker/0:2: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 329.688841] ? find_held_lock+0x36/0x1c0 [ 329.692271] kworker/0:2 cpuset= [ 329.696237] ? graph_lock+0x170/0x170 [ 329.699592] / [ 329.704775] ? pvclock_read_flags+0x160/0x160 [ 329.715063] mems_allowed=0 [ 329.719111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.740799] ? check_preemption_disabled+0x48/0x280 [ 329.745824] ? __lock_is_held+0xb5/0x140 [ 329.749887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.755427] ? check_preemption_disabled+0x48/0x280 [ 329.760463] run_timer_softirq+0x52/0xb0 [ 329.764522] ? rcu_read_lock_sched_held+0x108/0x120 [ 329.769548] __do_softirq+0x30c/0xb03 [ 329.773366] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 329.778477] ? pvclock_read_flags+0x160/0x160 [ 329.782971] ? lapic_next_event+0x5a/0x90 [ 329.787122] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.792660] ? check_preemption_disabled+0x48/0x280 [ 329.797674] ? check_preemption_disabled+0x48/0x280 [ 329.802701] ? kvm_clock_read+0x18/0x30 [ 329.806673] ? kvm_sched_clock_read+0x9/0x20 [ 329.811083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.816624] ? check_preemption_disabled+0x48/0x280 [ 329.821653] irq_exit+0x17f/0x1c0 [ 329.825115] smp_apic_timer_interrupt+0x1cb/0x760 [ 329.829958] ? smp_reschedule_interrupt+0x109/0x650 [ 329.834986] ? smp_call_function_single_interrupt+0x650/0x650 [ 329.840865] ? interrupt_entry+0xb5/0xf0 [ 329.844928] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.849957] ? trace_hardirqs_off_caller+0xbb/0x310 [ 329.854992] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.859837] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.864854] ? trace_hardirqs_on_caller+0x310/0x310 [ 329.869870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.875411] ? check_preemption_disabled+0x48/0x280 [ 329.880428] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 329.886021] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 329.890874] apic_timer_interrupt+0xf/0x20 [ 329.895102] [ 329.897360] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 329.902292] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 329.921641] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 329.929349] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 329.936615] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 329.943882] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 329.951145] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 329.958421] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 329.965729] skb_clone+0x1bb/0x500 [ 329.969283] ? finish_task_switch+0x1b4/0x910 [ 329.973778] ? skb_split+0x11e0/0x11e0 [ 329.977665] ? preempt_notifier_register+0x200/0x200 [ 329.982764] ? __switch_to_asm+0x34/0x70 [ 329.986824] ? __switch_to_asm+0x34/0x70 [ 329.990884] ? __switch_to_asm+0x40/0x70 [ 329.994948] ? __switch_to_asm+0x34/0x70 [ 329.999009] ? __switch_to_asm+0x40/0x70 [ 330.003065] ? __switch_to_asm+0x34/0x70 [ 330.007125] ? __switch_to_asm+0x40/0x70 [ 330.011189] ? __switch_to_asm+0x34/0x70 [ 330.015255] ? __switch_to_asm+0x34/0x70 [ 330.019315] ? __switch_to_asm+0x40/0x70 [ 330.023373] ? __switch_to_asm+0x34/0x70 [ 330.027440] bpf_clone_redirect+0xb9/0x490 [ 330.031683] ? __schedule+0x874/0x1ed0 [ 330.035580] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 330.040601] ? __sched_text_start+0x8/0x8 [ 330.044755] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.049337] ? retint_kernel+0x2d/0x2d [ 330.053228] ? trace_hardirqs_on_caller+0xc0/0x310 [ 330.058162] ? find_held_lock+0x36/0x1c0 [ 330.062241] ? lock_acquire+0x1ed/0x520 [ 330.066232] ? bpf_test_run+0x32e/0x5a0 [ 330.070209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.075747] ? check_preemption_disabled+0x48/0x280 [ 330.080773] ? kasan_check_read+0x11/0x20 [ 330.084923] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 330.090209] ? rcu_bh_qs+0xc0/0xc0 [ 330.093750] ? preempt_schedule+0x4d/0x60 [ 330.097902] ? ___preempt_schedule+0x16/0x18 [ 330.102318] ? bpf_test_run+0x1c0/0x5a0 [ 330.106320] ? netlink_diag_dump+0x2a0/0x2a0 [ 330.110730] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.116270] ? bpf_test_init.isra.9+0x70/0x100 [ 330.120856] ? bpf_prog_test_run_skb+0x634/0xb40 [ 330.125636] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 330.130490] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 330.136052] ? fput+0x130/0x1a0 [ 330.139332] ? __bpf_prog_get+0x9b/0x290 [ 330.143398] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 330.148415] ? bpf_prog_test_run+0x130/0x1a0 [ 330.152826] ? __x64_sys_bpf+0x3d8/0x510 [ 330.156890] ? bpf_prog_get+0x20/0x20 [ 330.160712] ? do_syscall_64+0x1b9/0x820 [ 330.164773] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 330.170139] ? syscall_return_slowpath+0x5e0/0x5e0 [ 330.175100] ? trace_hardirqs_on_caller+0x310/0x310 [ 330.180114] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 330.185127] ? recalc_sigpending_tsk+0x180/0x180 [ 330.189887] ? kasan_check_write+0x14/0x20 [ 330.194132] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 330.199035] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 330.204420] CPU: 0 PID: 5447 Comm: kworker/0:2 Not tainted 4.19.0-rc8+ #67 [ 330.204488] aoe: skb alloc failure [ 330.211438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.211467] Workqueue: events_power_efficient neigh_periodic_work [ 330.211482] Call Trace: [ 330.215037] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 330.224363] dump_stack+0x1c4/0x2b6 [ 330.230565] syz-executor1 cpuset= [ 330.233217] ? dump_stack_print_info.cold.1+0x20/0x20 [ 330.243678] syz1 [ 330.247311] warn_alloc.cold.119+0xb7/0x1bd [ 330.250728] mems_allowed=0 [ 330.255907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.270023] ? lock_downgrade+0x900/0x900 [ 330.274190] ? trace_hardirqs_off+0xb8/0x310 [ 330.278608] ? trace_hardirqs_off+0xb8/0x310 [ 330.283026] __alloc_pages_slowpath+0x265e/0x2d70 [ 330.287893] ? mark_held_locks+0x130/0x130 [ 330.292151] ? warn_alloc+0x120/0x120 [ 330.295985] ? warn_alloc+0x120/0x120 [ 330.299789] ? print_usage_bug+0xc0/0xc0 [ 330.303885] ? warn_alloc+0x120/0x120 [ 330.307681] ? print_usage_bug+0xc0/0xc0 [ 330.311745] ? __lock_acquire+0x7ec/0x4ec0 [ 330.316013] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.321568] ? should_fail+0x22d/0xd01 [ 330.325466] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.330568] ? __lock_acquire+0x7ec/0x4ec0 [ 330.334807] ? __lock_acquire+0x7ec/0x4ec0 [ 330.339049] ? should_fail+0x22d/0xd01 [ 330.342949] ? mark_held_locks+0x130/0x130 [ 330.347196] ? mark_held_locks+0x130/0x130 [ 330.351433] ? mark_held_locks+0xc7/0x130 [ 330.355593] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.360698] ? graph_lock+0x170/0x170 [ 330.364497] ? graph_lock+0x170/0x170 [ 330.368300] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.373843] ? check_preemption_disabled+0x48/0x280 [ 330.378873] ? check_preemption_disabled+0x48/0x280 [ 330.383903] ? __lock_is_held+0xb5/0x140 [ 330.387970] __alloc_pages_nodemask+0xa80/0xde0 [ 330.392640] ? graph_lock+0x170/0x170 [ 330.396450] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 330.401482] ? graph_lock+0x170/0x170 [ 330.405303] ? find_held_lock+0x36/0x1c0 [ 330.409380] ? ____cache_alloc_node+0x1c7/0x1e0 [ 330.414052] ? lock_downgrade+0x900/0x900 [ 330.418223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.423767] cache_grow_begin+0x91/0x8c0 [ 330.427849] ? do_raw_spin_unlock+0xa7/0x330 [ 330.432272] fallback_alloc+0x203/0x2e0 [ 330.436255] ____cache_alloc_node+0x1c7/0x1e0 [ 330.440760] kmem_cache_alloc_node+0xe3/0x730 [ 330.445256] ? graph_lock+0x170/0x170 [ 330.449068] __alloc_skb+0x119/0x770 [ 330.452787] ? rcu_is_watching+0x30/0x30 [ 330.456851] ? skb_scrub_packet+0x490/0x490 [ 330.461216] ? find_held_lock+0x36/0x1c0 [ 330.465333] ? neigh_periodic_work+0x8ca/0xc60 [ 330.469919] ? lock_downgrade+0x900/0x900 [ 330.474072] ? lock_release+0x970/0x970 [ 330.478060] __neigh_notify+0x8c/0x160 [ 330.481970] neigh_cleanup_and_release+0x7b/0xe0 [ 330.486727] neigh_periodic_work+0x8d2/0xc60 [ 330.491201] ? neigh_del+0x420/0x420 [ 330.494923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 330.500480] ? check_preemption_disabled+0x48/0x280 [ 330.505497] ? check_preemption_disabled+0x48/0x280 [ 330.510525] ? __lock_is_held+0xb5/0x140 [ 330.514604] process_one_work+0xc90/0x1c40 [ 330.518839] ? mark_held_locks+0x130/0x130 [ 330.523104] ? pwq_dec_nr_in_flight+0x4a0/0x4a0 [ 330.527774] ? __switch_to_asm+0x40/0x70 [ 330.531845] ? __switch_to_asm+0x34/0x70 [ 330.535905] ? __switch_to_asm+0x40/0x70 [ 330.539962] ? __switch_to_asm+0x34/0x70 [ 330.544020] ? __switch_to_asm+0x40/0x70 [ 330.548081] ? __switch_to_asm+0x34/0x70 [ 330.552140] ? __switch_to_asm+0x40/0x70 [ 330.556225] ? __schedule+0x874/0x1ed0 [ 330.560112] ? __switch_to_asm+0x34/0x70 [ 330.564179] ? __switch_to_asm+0x40/0x70 [ 330.568277] ? graph_lock+0x170/0x170 [ 330.572093] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.576693] ? retint_kernel+0x2d/0x2d [ 330.580588] ? find_held_lock+0x36/0x1c0 [ 330.584674] ? lock_acquire+0x1ed/0x520 [ 330.588650] ? worker_thread+0x3e0/0x1390 [ 330.592808] ? lock_release+0x970/0x970 [ 330.596784] ? trace_hardirqs_off+0xb8/0x310 [ 330.601199] ? kasan_check_read+0x11/0x20 [ 330.605350] ? worker_thread+0x3e0/0x1390 [ 330.609500] ? trace_hardirqs_on+0x310/0x310 [ 330.613918] ? kasan_check_write+0x14/0x20 [ 330.618156] ? do_raw_spin_lock+0xc1/0x230 [ 330.622407] worker_thread+0x17f/0x1390 [ 330.626387] ? __switch_to_asm+0x34/0x70 [ 330.630493] ? process_one_work+0x1c40/0x1c40 [ 330.635021] ? graph_lock+0x170/0x170 [ 330.638821] ? graph_lock+0x170/0x170 [ 330.642622] ? find_held_lock+0x36/0x1c0 [ 330.646699] ? find_held_lock+0x36/0x1c0 [ 330.650770] ? __kthread_parkme+0xce/0x1a0 [ 330.655021] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.660135] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 330.665248] ? lockdep_hardirqs_on+0x421/0x5c0 [ 330.669838] ? trace_hardirqs_on+0xbd/0x310 [ 330.674164] ? kasan_check_read+0x11/0x20 [ 330.678336] ? __kthread_parkme+0xce/0x1a0 [ 330.682602] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 330.688067] ? kasan_check_write+0x14/0x20 [ 330.692304] ? do_raw_spin_lock+0xc1/0x230 [ 330.696547] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 330.701652] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.707193] ? __kthread_parkme+0xfb/0x1a0 [ 330.711438] kthread+0x35a/0x420 [ 330.714811] ? process_one_work+0x1c40/0x1c40 [ 330.719321] ? kthread_bind+0x40/0x40 [ 330.723127] ret_from_fork+0x3a/0x50 [ 330.726860] warn_alloc_show_mem: 1 callbacks suppressed [ 330.726872] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 330.726874] Mem-Info: [ 330.726908] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 330.726908] active_file:15 inactive_file:13 isolated_file:0 [ 330.726908] unevictable:0 dirty:0 writeback:0 unstable:0 [ 330.726908] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 330.726908] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 330.726908] free:13788 free_pcp:609 free_cma:0 [ 330.732257] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 330.739537] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 330.741945] Call Trace: [ 330.774810] Node 0 [ 330.784300] [ 330.811816] 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 [ 330.814375] dump_stack+0x1c4/0x2b6 [ 330.816574] lowmem_reserve[]: 0 [ 330.818734] ? dump_stack_print_info.cold.1+0x20/0x20 [ 330.844214] 2819 [ 330.847851] warn_alloc.cold.119+0xb7/0x1bd [ 330.851093] 6323 [ 330.856283] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 330.858320] 6323 [ 330.862654] ? lock_downgrade+0x900/0x900 [ 330.864695] Node 0 [ 330.869536] ? trace_hardirqs_off+0xb8/0x310 [ 330.871596] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 330.875712] ? trace_hardirqs_off+0xb8/0x310 [ 330.877919] lowmem_reserve[]: 0 [ 330.882339] __alloc_pages_slowpath+0x265e/0x2d70 [ 330.909198] 0 3503 [ 330.914027] ? warn_alloc+0x120/0x120 [ 330.917262] 3503 [ 330.922103] ? warn_alloc+0x120/0x120 [ 330.924319] Node 0 [ 330.928115] ? print_usage_bug+0xc0/0xc0 [ 330.930189] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 330.933953] ? warn_alloc+0x120/0x120 [ 330.936154] lowmem_reserve[]: 0 [ 330.940226] ? print_usage_bug+0xc0/0xc0 [ 330.968571] 0 [ 330.972373] ? mark_held_locks+0x130/0x130 [ 330.975624] 0 [ 330.979700] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 330.981508] 0 [ 330.985735] ? should_fail+0x22d/0xd01 [ 330.993039] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 330.994816] Node 0 [ 330.998706] ? __lock_acquire+0x7ec/0x4ec0 [ 331.003788] DMA: 1*4kB [ 331.006029] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 331.010234] (U) [ 331.012814] ? __lock_acquire+0x7ec/0x4ec0 [ 331.017913] 0*8kB [ 331.019892] ? should_fail+0x22d/0xd01 [ 331.024102] 0*16kB [ 331.026250] ? mark_held_locks+0x130/0x130 [ 331.030100] 1*32kB [ 331.032325] ? mark_held_locks+0x130/0x130 [ 331.036531] (U) [ 331.038762] ? lock_downgrade+0x900/0x900 [ 331.042990] 2*64kB [ 331.044988] ? graph_lock+0x170/0x170 [ 331.049109] (U) [ 331.051342] ? graph_lock+0x170/0x170 [ 331.055111] 1*128kB (U) [ 331.057106] ? graph_lock+0x170/0x170 [ 331.060885] 1*256kB [ 331.063546] ? print_usage_bug+0xc0/0xc0 [ 331.067320] (U) [ 331.069637] ? do_raw_spin_unlock+0xa7/0x330 [ 331.073669] 0*512kB [ 331.075643] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.080019] 1*1024kB (U) [ 331.082348] ? check_preemption_disabled+0x48/0x280 [ 331.087849] 1*2048kB (M) [ 331.090614] ? check_preemption_disabled+0x48/0x280 [ 331.095596] 3*4096kB (M) [ 331.098363] ? __lock_is_held+0xb5/0x140 [ 331.103349] = 15908kB [ 331.106104] __alloc_pages_nodemask+0xa80/0xde0 [ 331.110137] Node 0 [ 331.112542] ? graph_lock+0x170/0x170 [ 331.117192] DMA32: [ 331.119426] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 331.123203] 5*4kB [ 331.125433] ? graph_lock+0x170/0x170 [ 331.130431] (UM) 0*8kB [ 331.132593] ? find_held_lock+0x36/0x1c0 [ 331.136358] 3*16kB (UM) [ 331.138981] ? ____cache_alloc_node+0x1c7/0x1e0 [ 331.143004] 2*32kB (M) [ 331.145674] ? lock_downgrade+0x900/0x900 [ 331.150311] 5*64kB (UM) [ 331.152900] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.157017] 4*128kB (UM) [ 331.159689] cache_grow_begin+0x91/0x8c0 [ 331.165207] 3*256kB (M) [ 331.168000] ? do_raw_spin_unlock+0xa7/0x330 [ 331.172031] 4*512kB (UM) [ 331.174706] fallback_alloc+0x203/0x2e0 [ 331.179099] 3*1024kB [ 331.181857] ____cache_alloc_node+0x1c7/0x1e0 [ 331.185825] (UM) 3*2048kB [ 331.188247] kmem_cache_alloc_node+0xe3/0x730 [ 331.192711] (M) 3*4096kB [ 331.195557] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 331.200019] (M) = 25284kB [ 331.202778] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.207855] Node 0 [ 331.210609] __alloc_skb+0x119/0x770 [ 331.215164] Normal: [ 331.217405] ? calc_wheel_index+0x220/0x220 [ 331.221106] 888*4kB [ 331.223422] ? skb_scrub_packet+0x490/0x490 [ 331.227723] (UMEH) [ 331.230044] ? vprintk_default+0x28/0x30 [ 331.234338] 387*8kB [ 331.236563] ? vprintk_func+0x85/0x181 [ 331.240604] (UME) [ 331.242924] ? printk+0xa7/0xcf [ 331.246782] 157*16kB (UME) [ 331.248949] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 331.252214] 53*32kB [ 331.255152] new_skb+0x26/0x1c0 [ 331.259866] (UMEH) 26*64kB [ 331.262197] aoecmd_cfg+0x279/0x7f0 [ 331.265460] (UMH) 4*128kB [ 331.268399] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 331.271994] (UMH) [ 331.274856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.279142] 0*256kB 0*512kB [ 331.281304] ? check_preemption_disabled+0x48/0x280 [ 331.286805] 1*1024kB (H) [ 331.289826] ? check_preemption_disabled+0x48/0x280 [ 331.294815] 0*2048kB 0*4096kB [ 331.297581] ? __lock_is_held+0xb5/0x140 [ 331.302560] = 14056kB [ 331.302575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 331.305761] discover_timer+0x50/0x60 [ 331.309807] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 331.312205] call_timer_fn+0x272/0x920 [ 331.321016] 147 total pagecache pages [ 331.324813] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.333368] 0 pages in swap cache [ 331.337253] ? process_timeout+0x40/0x40 [ 331.341038] Swap cache stats: add 0, delete 0, find 0/0 [ 331.341047] Free swap = 0kB [ 331.345883] ? find_held_lock+0x36/0x1c0 [ 331.349328] Total swap = 0kB [ 331.349336] 1965979 pages RAM [ 331.353421] ? __run_timers+0x7da/0xc70 [ 331.358767] 0 pages HighMem/MovableOnly [ 331.358775] 342307 pages reserved [ 331.361785] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.365820] 0 pages cma reserved [ 331.368831] ? _raw_spin_unlock_irq+0x27/0x80 [ 331.372304] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.375880] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.379835] ksoftirqd/0 cpuset= [ 331.383284] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 331.387754] / [ 331.391115] ? trace_hardirqs_on+0xbd/0x310 [ 331.395586] mems_allowed=0 [ 331.405890] ? kasan_check_read+0x11/0x20 [ 331.431600] ? __run_timers+0x7da/0xc70 [ 331.435577] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 331.441042] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 331.445887] __run_timers+0x7e5/0xc70 [ 331.449704] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 331.455069] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 331.460098] ? graph_lock+0x170/0x170 [ 331.463902] ? enqueue_hrtimer+0x1a5/0x560 [ 331.468133] ? lock_release+0x970/0x970 [ 331.472106] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 331.477298] ? find_held_lock+0x36/0x1c0 [ 331.481360] ? graph_lock+0x170/0x170 [ 331.485161] ? pvclock_read_flags+0x160/0x160 [ 331.489665] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.495205] ? check_preemption_disabled+0x48/0x280 [ 331.500233] ? __lock_is_held+0xb5/0x140 [ 331.504294] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.509833] ? check_preemption_disabled+0x48/0x280 [ 331.514870] run_timer_softirq+0x52/0xb0 [ 331.518951] ? rcu_read_lock_sched_held+0x108/0x120 [ 331.523971] __do_softirq+0x30c/0xb03 [ 331.527783] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 331.532908] ? pvclock_read_flags+0x160/0x160 [ 331.537407] ? lapic_next_event+0x5a/0x90 [ 331.541559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.547114] ? check_preemption_disabled+0x48/0x280 [ 331.552165] ? check_preemption_disabled+0x48/0x280 [ 331.557228] ? kvm_clock_read+0x18/0x30 [ 331.561202] ? kvm_sched_clock_read+0x9/0x20 [ 331.565613] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.571150] ? check_preemption_disabled+0x48/0x280 [ 331.576195] irq_exit+0x17f/0x1c0 [ 331.579651] smp_apic_timer_interrupt+0x1cb/0x760 [ 331.584494] ? smp_reschedule_interrupt+0x109/0x650 [ 331.589513] ? smp_call_function_single_interrupt+0x650/0x650 [ 331.595399] ? interrupt_entry+0xb5/0xf0 [ 331.599463] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.604480] ? trace_hardirqs_off_caller+0xbb/0x310 [ 331.609500] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.614343] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.619360] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.624380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.629931] ? check_preemption_disabled+0x48/0x280 [ 331.634976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.640522] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.645372] apic_timer_interrupt+0xf/0x20 [ 331.649612] [ 331.651856] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 331.656784] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 331.675697] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 331.683424] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 331.690687] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 331.697958] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 331.705237] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 331.712535] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 331.719853] skb_clone+0x1bb/0x500 [ 331.723392] ? finish_task_switch+0x1b4/0x910 [ 331.727904] ? skb_split+0x11e0/0x11e0 [ 331.731798] ? preempt_notifier_register+0x200/0x200 [ 331.736900] ? __switch_to_asm+0x34/0x70 [ 331.740960] ? __switch_to_asm+0x34/0x70 [ 331.745021] ? __switch_to_asm+0x40/0x70 [ 331.749079] ? __switch_to_asm+0x34/0x70 [ 331.753137] ? __switch_to_asm+0x40/0x70 [ 331.757204] ? __switch_to_asm+0x34/0x70 [ 331.761261] ? __switch_to_asm+0x40/0x70 [ 331.765319] ? __switch_to_asm+0x34/0x70 [ 331.769378] ? __switch_to_asm+0x34/0x70 [ 331.773434] ? __switch_to_asm+0x40/0x70 [ 331.777491] ? __switch_to_asm+0x34/0x70 [ 331.781558] bpf_clone_redirect+0xb9/0x490 [ 331.785814] ? __schedule+0x874/0x1ed0 [ 331.789707] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 331.794725] ? __sched_text_start+0x8/0x8 [ 331.798877] ? lockdep_hardirqs_on+0x421/0x5c0 [ 331.803455] ? retint_kernel+0x2d/0x2d [ 331.807351] ? trace_hardirqs_on_caller+0xc0/0x310 [ 331.812283] ? find_held_lock+0x36/0x1c0 [ 331.816361] ? lock_acquire+0x1ed/0x520 [ 331.820331] ? bpf_test_run+0x32e/0x5a0 [ 331.824310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 331.829857] ? check_preemption_disabled+0x48/0x280 [ 331.834892] ? kasan_check_read+0x11/0x20 [ 331.839044] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 331.844319] ? rcu_bh_qs+0xc0/0xc0 [ 331.847858] ? preempt_schedule+0x4d/0x60 [ 331.852006] ? ___preempt_schedule+0x16/0x18 [ 331.856424] ? bpf_test_run+0x1c0/0x5a0 [ 331.860416] ? netlink_diag_dump+0x2a0/0x2a0 [ 331.864840] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 331.870371] ? bpf_test_init.isra.9+0x70/0x100 [ 331.874958] ? bpf_prog_test_run_skb+0x634/0xb40 [ 331.879724] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 331.884561] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 331.890097] ? fput+0x130/0x1a0 [ 331.893377] ? __bpf_prog_get+0x9b/0x290 [ 331.897441] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 331.902285] ? bpf_prog_test_run+0x130/0x1a0 [ 331.906694] ? __x64_sys_bpf+0x3d8/0x510 [ 331.910767] ? bpf_prog_get+0x20/0x20 [ 331.915071] ? do_syscall_64+0x1b9/0x820 [ 331.919132] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 331.924500] ? syscall_return_slowpath+0x5e0/0x5e0 [ 331.929432] ? trace_hardirqs_on_caller+0x310/0x310 [ 331.934451] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 331.939466] ? recalc_sigpending_tsk+0x180/0x180 [ 331.944228] ? kasan_check_write+0x14/0x20 [ 331.948467] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 331.953354] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 331.958762] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 331.958852] aoe: skb alloc failure [ 331.965517] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 331.965522] Call Trace: [ 331.965543] dump_stack+0x1c4/0x2b6 [ 331.965562] ? dump_stack_print_info.cold.1+0x20/0x20 [ 331.965589] warn_alloc.cold.119+0xb7/0x1bd [ 331.969156] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 331.978464] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 331.981039] syz-executor1 cpuset= [ 331.984670] ? lock_downgrade+0x900/0x900 [ 331.989834] syz1 [ 331.994204] ? trace_hardirqs_off+0xb8/0x310 [ 332.004662] mems_allowed=0 [ 332.009496] ? trace_hardirqs_off+0xb8/0x310 [ 332.030724] __alloc_pages_slowpath+0x265e/0x2d70 [ 332.035597] ? warn_alloc+0x120/0x120 [ 332.039402] ? warn_alloc+0x120/0x120 [ 332.043223] ? print_usage_bug+0xc0/0xc0 [ 332.047282] ? warn_alloc+0x120/0x120 [ 332.051086] ? print_usage_bug+0xc0/0xc0 [ 332.055155] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.060718] ? should_fail+0x22d/0xd01 [ 332.064603] ? __lock_acquire+0x7ec/0x4ec0 [ 332.068845] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.073946] ? __lock_acquire+0x7ec/0x4ec0 [ 332.078196] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.083304] ? __lock_acquire+0x7ec/0x4ec0 [ 332.087554] ? should_fail+0x22d/0xd01 [ 332.091464] ? mark_held_locks+0x130/0x130 [ 332.095702] ? mark_held_locks+0x130/0x130 [ 332.099956] ? select_task_rq_fair+0x7ab/0x33a0 [ 332.104625] ? lock_downgrade+0x900/0x900 [ 332.108772] ? check_preemption_disabled+0x48/0x280 [ 332.113786] ? graph_lock+0x170/0x170 [ 332.117624] ? print_usage_bug+0xc0/0xc0 [ 332.121690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.127232] ? check_preemption_disabled+0x48/0x280 [ 332.132265] ? check_preemption_disabled+0x48/0x280 [ 332.137295] ? __lock_is_held+0xb5/0x140 [ 332.141371] __alloc_pages_nodemask+0xa80/0xde0 [ 332.146040] ? graph_lock+0x170/0x170 [ 332.149846] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 332.154858] ? graph_lock+0x170/0x170 [ 332.158669] ? find_held_lock+0x36/0x1c0 [ 332.162744] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.167414] ? lock_downgrade+0x900/0x900 [ 332.171577] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.177119] cache_grow_begin+0x91/0x8c0 [ 332.181192] ? do_raw_spin_unlock+0xa7/0x330 [ 332.185612] fallback_alloc+0x203/0x2e0 [ 332.189593] ____cache_alloc_node+0x1c7/0x1e0 [ 332.194094] kmem_cache_alloc_node+0xe3/0x730 [ 332.198588] ? ipv6_get_ifaddr+0x42e/0x620 [ 332.202834] __alloc_skb+0x119/0x770 [ 332.206550] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.211834] ? skb_scrub_packet+0x490/0x490 [ 332.216155] ? lock_downgrade+0x900/0x900 [ 332.220316] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.225857] ? refcount_sub_and_test_checked+0x203/0x310 [ 332.231314] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 332.236770] ? addrconf_rs_timer+0x690/0x690 [ 332.241214] ndisc_alloc_skb+0x144/0x340 [ 332.245284] ndisc_send_rs+0x331/0x6e0 [ 332.249220] addrconf_rs_timer+0x314/0x690 [ 332.253478] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.257744] call_timer_fn+0x272/0x920 [ 332.261660] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.265927] ? process_timeout+0x40/0x40 [ 332.269984] ? find_held_lock+0x36/0x1c0 [ 332.274067] ? __run_timers+0x7da/0xc70 [ 332.278043] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.282537] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.287031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.291267] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 332.295855] ? trace_hardirqs_on+0xbd/0x310 [ 332.300213] ? kasan_check_read+0x11/0x20 [ 332.304361] ? __run_timers+0x7da/0xc70 [ 332.308349] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.313812] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 332.318062] __run_timers+0x7e5/0xc70 [ 332.321876] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 332.327240] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.331733] ? _raw_spin_unlock_irq+0x27/0x80 [ 332.336232] ? lockdep_hardirqs_on+0x421/0x5c0 [ 332.340818] ? trace_hardirqs_on+0xbd/0x310 [ 332.345140] ? kasan_check_read+0x11/0x20 [ 332.349296] ? finish_task_switch+0x1f4/0x910 [ 332.353790] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 332.359252] ? compat_start_thread+0x80/0x80 [ 332.363661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.369223] ? pvclock_read_flags+0x160/0x160 [ 332.373718] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.379260] ? check_preemption_disabled+0x48/0x280 [ 332.384287] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 332.389827] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 332.395111] ? rcu_pm_notify+0xc0/0xc0 [ 332.399001] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.404541] ? check_preemption_disabled+0x48/0x280 [ 332.409569] run_timer_softirq+0x52/0xb0 [ 332.413627] ? rcu_read_lock_sched_held+0x108/0x120 [ 332.418646] __do_softirq+0x30c/0xb03 [ 332.422466] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 332.427567] ? trace_hardirqs_off+0xb8/0x310 [ 332.431987] ? schedule+0x108/0x460 [ 332.435628] ? trace_hardirqs_off+0xb8/0x310 [ 332.440041] ? smpboot_thread_fn+0x68b/0xa00 [ 332.444458] ? trace_hardirqs_on+0x310/0x310 [ 332.448868] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.454412] ? check_preemption_disabled+0x48/0x280 [ 332.459437] ? takeover_tasklets+0xa90/0xa90 [ 332.463856] run_ksoftirqd+0x94/0x100 [ 332.467656] smpboot_thread_fn+0x68b/0xa00 [ 332.471927] ? sort_range+0x30/0x30 [ 332.475556] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 332.480688] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.486237] ? __kthread_parkme+0xfb/0x1a0 [ 332.490494] kthread+0x35a/0x420 [ 332.493859] ? sort_range+0x30/0x30 [ 332.497484] ? kthread_bind+0x40/0x40 [ 332.501286] ret_from_fork+0x3a/0x50 [ 332.505015] warn_alloc_show_mem: 1 callbacks suppressed [ 332.505027] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 332.505029] Mem-Info: [ 332.505061] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 332.505061] active_file:15 inactive_file:13 isolated_file:0 [ 332.505061] unevictable:0 dirty:0 writeback:0 unstable:0 [ 332.505061] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 332.505061] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 332.505061] free:13788 free_pcp:609 free_cma:0 [ 332.510394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 332.517674] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 332.520074] Call Trace: [ 332.552936] Node 0 [ 332.562285] [ 332.589790] 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 [ 332.592350] dump_stack+0x1c4/0x2b6 [ 332.594574] lowmem_reserve[]: [ 332.596773] ? dump_stack_print_info.cold.1+0x20/0x20 [ 332.622249] 0 [ 332.625884] warn_alloc.cold.119+0xb7/0x1bd [ 332.628953] 2819 [ 332.634148] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 332.635934] 6323 6323 [ 332.640278] ? lock_downgrade+0x900/0x900 [ 332.647149] ? trace_hardirqs_off+0xb8/0x310 [ 332.649620] Node 0 [ 332.653758] ? trace_hardirqs_off+0xb8/0x310 [ 332.658161] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 332.660371] __alloc_pages_slowpath+0x265e/0x2d70 [ 332.664744] lowmem_reserve[]: 0 [ 332.691662] ? warn_alloc+0x120/0x120 [ 332.696450] 0 3503 [ 332.699763] ? warn_alloc+0x120/0x120 [ 332.703530] 3503 [ 332.705767] ? print_usage_bug+0xc0/0xc0 [ 332.709540] Node 0 [ 332.711590] ? warn_alloc+0x120/0x120 [ 332.715681] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 332.717898] ? print_usage_bug+0xc0/0xc0 [ 332.721692] lowmem_reserve[]: 0 [ 332.750061] ? mark_held_locks+0x130/0x130 [ 332.754102] 0 [ 332.757374] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 332.761573] 0 0 [ 332.763390] ? should_fail+0x22d/0xd01 [ 332.768904] Node 0 [ 332.770876] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.774740] DMA: [ 332.776972] ? __lock_acquire+0x7ec/0x4ec0 [ 332.782222] 1*4kB [ 332.784282] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 332.788506] (U) [ 332.790645] ? __lock_acquire+0x7ec/0x4ec0 [ 332.795722] 0*8kB [ 332.797699] ? should_fail+0x22d/0xd01 [ 332.801908] 0*16kB [ 332.804055] ? mark_held_locks+0x130/0x130 [ 332.807933] 1*32kB [ 332.810166] ? mark_held_locks+0x130/0x130 [ 332.814380] (U) [ 332.816610] ? lock_downgrade+0x900/0x900 [ 332.820820] 2*64kB (U) [ 332.822793] ? graph_lock+0x170/0x170 [ 332.826917] 1*128kB [ 332.829517] ? graph_lock+0x170/0x170 [ 332.833288] (U) 1*256kB [ 332.835609] ? graph_lock+0x170/0x170 [ 332.839382] (U) [ 332.842043] ? print_usage_bug+0xc0/0xc0 [ 332.845832] 0*512kB [ 332.847806] ? do_raw_spin_unlock+0xa7/0x330 [ 332.851831] 1*1024kB (U) [ 332.854175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.858562] 1*2048kB [ 332.861319] ? check_preemption_disabled+0x48/0x280 [ 332.866858] (M) [ 332.869266] ? check_preemption_disabled+0x48/0x280 [ 332.874259] 3*4096kB [ 332.876236] ? __lock_is_held+0xb5/0x140 [ 332.881218] (M) [ 332.883639] __alloc_pages_nodemask+0xa80/0xde0 [ 332.887670] = 15908kB [ 332.889653] ? graph_lock+0x170/0x170 [ 332.894295] Node 0 [ 332.896694] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 332.900467] DMA32: [ 332.902693] ? graph_lock+0x170/0x170 [ 332.907681] 5*4kB [ 332.909915] ? find_held_lock+0x36/0x1c0 [ 332.913810] (UM) 0*8kB 3*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25284kB [ 332.913894] Node 0 Normal: 888*4kB (UMEH) 387*8kB (UME) 157*16kB (UME) 53*32kB (UMEH) 26*64kB (UMH) 4*128kB (UMH) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB [ 332.916134] ? ____cache_alloc_node+0x1c7/0x1e0 [ 332.920192] 0*4096kB [ 332.933375] ? lock_downgrade+0x900/0x900 [ 332.947133] = 14056kB [ 332.951809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 332.954204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 332.958340] cache_grow_begin+0x91/0x8c0 [ 332.960735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 332.966259] ? do_raw_spin_unlock+0xa7/0x330 [ 332.975067] 147 total pagecache pages [ 332.979120] fallback_alloc+0x203/0x2e0 [ 332.987672] 0 pages in swap cache [ 332.992070] ____cache_alloc_node+0x1c7/0x1e0 [ 332.995849] Swap cache stats: add 0, delete 0, find 0/0 [ 332.999816] kmem_cache_alloc_node+0xe3/0x730 [ 333.003243] Free swap = 0kB [ 333.007732] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 333.013079] Total swap = 0kB [ 333.017563] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.020557] 1965979 pages RAM [ 333.025654] __alloc_skb+0x119/0x770 [ 333.028637] 0 pages HighMem/MovableOnly [ 333.028645] 342307 pages reserved [ 333.033220] ? calc_wheel_index+0x220/0x220 [ 333.036303] 0 pages cma reserved [ 333.040004] ? skb_scrub_packet+0x490/0x490 [ 333.044024] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 333.047405] ? vprintk_default+0x28/0x30 [ 333.051787] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.055055] ? vprintk_func+0x85/0x181 [ 333.059369] ksoftirqd/0 cpuset= [ 333.065865] ? printk+0xa7/0xcf [ 333.069900] / [ 333.080229] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 333.084094] mems_allowed=0 [ 333.087385] new_skb+0x26/0x1c0 [ 333.103265] aoecmd_cfg+0x279/0x7f0 [ 333.106900] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 333.111234] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.116776] ? check_preemption_disabled+0x48/0x280 [ 333.121793] ? check_preemption_disabled+0x48/0x280 [ 333.126825] ? __lock_is_held+0xb5/0x140 [ 333.130901] discover_timer+0x50/0x60 [ 333.134701] call_timer_fn+0x272/0x920 [ 333.138586] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.143431] ? process_timeout+0x40/0x40 [ 333.147490] ? find_held_lock+0x36/0x1c0 [ 333.151562] ? __run_timers+0x7da/0xc70 [ 333.155556] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.160047] ? _raw_spin_unlock_irq+0x27/0x80 [ 333.164538] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.169377] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 333.173962] ? trace_hardirqs_on+0xbd/0x310 [ 333.178298] ? kasan_check_read+0x11/0x20 [ 333.182458] ? __run_timers+0x7da/0xc70 [ 333.186432] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 333.191894] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 333.196753] __run_timers+0x7e5/0xc70 [ 333.200562] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 333.205927] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 333.210954] ? graph_lock+0x170/0x170 [ 333.214756] ? enqueue_hrtimer+0x1a5/0x560 [ 333.218990] ? lock_release+0x970/0x970 [ 333.222966] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 333.228162] ? find_held_lock+0x36/0x1c0 [ 333.232239] ? graph_lock+0x170/0x170 [ 333.236057] ? pvclock_read_flags+0x160/0x160 [ 333.240551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.246094] ? check_preemption_disabled+0x48/0x280 [ 333.251123] ? __lock_is_held+0xb5/0x140 [ 333.255192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.260747] ? check_preemption_disabled+0x48/0x280 [ 333.265814] run_timer_softirq+0x52/0xb0 [ 333.269888] ? rcu_read_lock_sched_held+0x108/0x120 [ 333.274900] __do_softirq+0x30c/0xb03 [ 333.278744] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 333.283866] ? pvclock_read_flags+0x160/0x160 [ 333.288363] ? lapic_next_event+0x5a/0x90 [ 333.292512] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.298050] ? check_preemption_disabled+0x48/0x280 [ 333.303066] ? check_preemption_disabled+0x48/0x280 [ 333.308097] ? kvm_clock_read+0x18/0x30 [ 333.312073] ? kvm_sched_clock_read+0x9/0x20 [ 333.316485] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.322024] ? check_preemption_disabled+0x48/0x280 [ 333.327053] irq_exit+0x17f/0x1c0 [ 333.330523] smp_apic_timer_interrupt+0x1cb/0x760 [ 333.335378] ? smp_reschedule_interrupt+0x109/0x650 [ 333.340413] ? smp_call_function_single_interrupt+0x650/0x650 [ 333.346297] ? interrupt_entry+0xb5/0xf0 [ 333.350359] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.355389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 333.360425] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.365273] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.370287] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.375305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.380841] ? check_preemption_disabled+0x48/0x280 [ 333.385853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.391401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.396254] apic_timer_interrupt+0xf/0x20 [ 333.400482] [ 333.402722] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 333.407651] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 333.426562] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 333.434287] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 333.441552] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 333.448819] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 333.456083] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 333.463351] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 333.470660] skb_clone+0x1bb/0x500 [ 333.474208] ? finish_task_switch+0x1b4/0x910 [ 333.478702] ? skb_split+0x11e0/0x11e0 [ 333.482605] ? preempt_notifier_register+0x200/0x200 [ 333.487704] ? __switch_to_asm+0x34/0x70 [ 333.491779] ? __switch_to_asm+0x34/0x70 [ 333.495837] ? __switch_to_asm+0x40/0x70 [ 333.499897] ? __switch_to_asm+0x34/0x70 [ 333.503958] ? __switch_to_asm+0x40/0x70 [ 333.508031] ? __switch_to_asm+0x34/0x70 [ 333.512089] ? __switch_to_asm+0x40/0x70 [ 333.516144] ? __switch_to_asm+0x34/0x70 [ 333.520225] ? __switch_to_asm+0x34/0x70 [ 333.524289] ? __switch_to_asm+0x40/0x70 [ 333.528349] ? __switch_to_asm+0x34/0x70 [ 333.532418] bpf_clone_redirect+0xb9/0x490 [ 333.536662] ? __schedule+0x874/0x1ed0 [ 333.540556] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 333.545575] ? __sched_text_start+0x8/0x8 [ 333.549728] ? lockdep_hardirqs_on+0x421/0x5c0 [ 333.554310] ? retint_kernel+0x2d/0x2d [ 333.558207] ? trace_hardirqs_on_caller+0xc0/0x310 [ 333.563141] ? find_held_lock+0x36/0x1c0 [ 333.567215] ? lock_acquire+0x1ed/0x520 [ 333.571192] ? bpf_test_run+0x32e/0x5a0 [ 333.575176] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.580719] ? check_preemption_disabled+0x48/0x280 [ 333.585748] ? kasan_check_read+0x11/0x20 [ 333.589900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.595181] ? rcu_bh_qs+0xc0/0xc0 [ 333.598726] ? preempt_schedule+0x4d/0x60 [ 333.602875] ? ___preempt_schedule+0x16/0x18 [ 333.607288] ? bpf_test_run+0x1c0/0x5a0 [ 333.611275] ? netlink_diag_dump+0x2a0/0x2a0 [ 333.615686] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.621221] ? bpf_test_init.isra.9+0x70/0x100 [ 333.625845] ? bpf_prog_test_run_skb+0x634/0xb40 [ 333.630610] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 333.635455] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 333.640989] ? fput+0x130/0x1a0 [ 333.644272] ? __bpf_prog_get+0x9b/0x290 [ 333.648335] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 333.653182] ? bpf_prog_test_run+0x130/0x1a0 [ 333.657593] ? __x64_sys_bpf+0x3d8/0x510 [ 333.661657] ? bpf_prog_get+0x20/0x20 [ 333.665474] ? do_syscall_64+0x1b9/0x820 [ 333.669564] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 333.674932] ? syscall_return_slowpath+0x5e0/0x5e0 [ 333.679867] ? trace_hardirqs_on_caller+0x310/0x310 [ 333.684886] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 333.689904] ? recalc_sigpending_tsk+0x180/0x180 [ 333.694663] ? kasan_check_write+0x14/0x20 [ 333.698904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 333.703756] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 333.709140] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 333.709216] aoe: skb alloc failure [ 333.715899] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 333.715904] Call Trace: [ 333.715925] dump_stack+0x1c4/0x2b6 [ 333.715947] ? dump_stack_print_info.cold.1+0x20/0x20 [ 333.719522] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 333.728857] warn_alloc.cold.119+0xb7/0x1bd [ 333.731407] syz-executor1 cpuset= [ 333.735023] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 333.740220] syz1 [ 333.750728] ? lock_downgrade+0x900/0x900 [ 333.755023] mems_allowed=0 [ 333.758477] ? trace_hardirqs_off+0xb8/0x310 [ 333.776721] ? trace_hardirqs_off+0xb8/0x310 [ 333.781140] __alloc_pages_slowpath+0x265e/0x2d70 [ 333.786016] ? warn_alloc+0x120/0x120 [ 333.789824] ? warn_alloc+0x120/0x120 [ 333.793629] ? print_usage_bug+0xc0/0xc0 [ 333.797694] ? warn_alloc+0x120/0x120 [ 333.801513] ? print_usage_bug+0xc0/0xc0 [ 333.805610] ? __lock_acquire+0x7ec/0x4ec0 [ 333.809857] ? __lock_acquire+0x7ec/0x4ec0 [ 333.814106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.819644] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 333.825186] ? should_fail+0x22d/0xd01 [ 333.829080] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.834188] ? __lock_acquire+0x7ec/0x4ec0 [ 333.838432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 333.843537] ? __lock_acquire+0x7ec/0x4ec0 [ 333.847765] ? should_fail+0x22d/0xd01 [ 333.851663] ? mark_held_locks+0x130/0x130 [ 333.855898] ? mark_held_locks+0x130/0x130 [ 333.860138] ? mark_held_locks+0xc7/0x130 [ 333.864292] ? print_usage_bug+0xc0/0xc0 [ 333.868362] ? graph_lock+0x170/0x170 [ 333.872161] ? print_usage_bug+0xc0/0xc0 [ 333.876235] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.881775] ? check_preemption_disabled+0x48/0x280 [ 333.886796] ? check_preemption_disabled+0x48/0x280 [ 333.891838] ? __lock_is_held+0xb5/0x140 [ 333.895908] __alloc_pages_nodemask+0xa80/0xde0 [ 333.900605] ? graph_lock+0x170/0x170 [ 333.904411] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 333.909424] ? graph_lock+0x170/0x170 [ 333.913236] ? find_held_lock+0x36/0x1c0 [ 333.917305] ? ____cache_alloc_node+0x1c7/0x1e0 [ 333.921980] ? lock_downgrade+0x900/0x900 [ 333.926133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.931677] cache_grow_begin+0x91/0x8c0 [ 333.935744] ? do_raw_spin_unlock+0xa7/0x330 [ 333.940157] fallback_alloc+0x203/0x2e0 [ 333.944159] ____cache_alloc_node+0x1c7/0x1e0 [ 333.948672] kmem_cache_alloc_node+0xe3/0x730 [ 333.953267] ? ipv6_get_ifaddr+0x42e/0x620 [ 333.957511] __alloc_skb+0x119/0x770 [ 333.961226] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 333.966510] ? skb_scrub_packet+0x490/0x490 [ 333.970830] ? lock_downgrade+0x900/0x900 [ 333.974985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 333.980523] ? refcount_sub_and_test_checked+0x203/0x310 [ 333.985996] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 333.991453] ? addrconf_rs_timer+0x690/0x690 [ 333.995880] ndisc_alloc_skb+0x144/0x340 [ 333.999950] ndisc_send_rs+0x331/0x6e0 [ 334.003843] addrconf_rs_timer+0x314/0x690 [ 334.008099] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.012346] call_timer_fn+0x272/0x920 [ 334.016237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.020474] ? process_timeout+0x40/0x40 [ 334.024547] ? find_held_lock+0x36/0x1c0 [ 334.028618] ? __run_timers+0x7da/0xc70 [ 334.032593] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.037091] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.041590] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.045825] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 334.050409] ? trace_hardirqs_on+0xbd/0x310 [ 334.054735] ? kasan_check_read+0x11/0x20 [ 334.058883] ? __run_timers+0x7da/0xc70 [ 334.062894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.068362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.072604] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 334.076843] __run_timers+0x7e5/0xc70 [ 334.080686] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 334.086056] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.090549] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.095051] ? lockdep_hardirqs_on+0x421/0x5c0 [ 334.099635] ? trace_hardirqs_on+0xbd/0x310 [ 334.103957] ? kasan_check_read+0x11/0x20 [ 334.108109] ? finish_task_switch+0x1f4/0x910 [ 334.112607] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.118063] ? compat_start_thread+0x80/0x80 [ 334.122479] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.128031] ? pvclock_read_flags+0x160/0x160 [ 334.132521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.138065] ? check_preemption_disabled+0x48/0x280 [ 334.143105] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 334.148640] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 334.153919] ? rcu_pm_notify+0xc0/0xc0 [ 334.157810] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.163376] ? check_preemption_disabled+0x48/0x280 [ 334.168399] run_timer_softirq+0x52/0xb0 [ 334.172466] ? rcu_read_lock_sched_held+0x108/0x120 [ 334.177504] __do_softirq+0x30c/0xb03 [ 334.181318] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 334.186421] ? trace_hardirqs_off+0xb8/0x310 [ 334.190842] ? schedule+0x108/0x460 [ 334.194488] ? trace_hardirqs_off+0xb8/0x310 [ 334.198913] ? smpboot_thread_fn+0x68b/0xa00 [ 334.203319] ? trace_hardirqs_on+0x310/0x310 [ 334.207728] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.213271] ? check_preemption_disabled+0x48/0x280 [ 334.218295] ? takeover_tasklets+0xa90/0xa90 [ 334.222708] run_ksoftirqd+0x94/0x100 [ 334.226514] smpboot_thread_fn+0x68b/0xa00 [ 334.230767] ? sort_range+0x30/0x30 [ 334.234396] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 334.239497] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.245035] ? __kthread_parkme+0xfb/0x1a0 [ 334.249277] kthread+0x35a/0x420 [ 334.252642] ? sort_range+0x30/0x30 [ 334.256284] ? kthread_bind+0x40/0x40 [ 334.260083] ret_from_fork+0x3a/0x50 [ 334.263813] warn_alloc_show_mem: 1 callbacks suppressed [ 334.263825] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 334.263827] Mem-Info: [ 334.263859] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 334.263859] active_file:15 inactive_file:13 isolated_file:0 [ 334.263859] unevictable:0 dirty:0 writeback:0 unstable:0 [ 334.263859] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 334.263859] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 334.263859] free:13788 free_pcp:609 free_cma:0 [ 334.269228] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 334.276519] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 334.278915] Call Trace: [ 334.311783] Node 0 [ 334.321149] [ 334.348660] 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 [ 334.351223] dump_stack+0x1c4/0x2b6 [ 334.353428] lowmem_reserve[]: [ 334.355574] ? dump_stack_print_info.cold.1+0x20/0x20 [ 334.381046] 0 2819 [ 334.384688] warn_alloc.cold.119+0xb7/0x1bd [ 334.387753] 6323 [ 334.392984] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 334.395214] 6323 [ 334.399526] ? lock_downgrade+0x900/0x900 [ 334.401568] Node 0 [ 334.406409] ? trace_hardirqs_off+0xb8/0x310 [ 334.408471] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 334.412619] ? trace_hardirqs_off+0xb8/0x310 [ 334.414827] lowmem_reserve[]: [ 334.419238] __alloc_pages_slowpath+0x265e/0x2d70 [ 334.446100] 0 [ 334.450527] ? warn_alloc+0x120/0x120 [ 334.453581] 0 3503 [ 334.458429] ? warn_alloc+0x120/0x120 [ 334.460208] 3503 [ 334.464000] ? print_usage_bug+0xc0/0xc0 [ 334.470004] ? warn_alloc+0x120/0x120 [ 334.472040] Node 0 [ 334.476096] ? print_usage_bug+0xc0/0xc0 [ 334.479894] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 334.482096] ? mark_held_locks+0x130/0x130 [ 334.486129] lowmem_reserve[]: [ 334.514496] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 334.518705] 0 [ 334.521803] ? should_fail+0x22d/0xd01 [ 334.527319] 0 [ 334.529119] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.532986] 0 [ 334.534792] ? __lock_acquire+0x7ec/0x4ec0 [ 334.539866] 0 [ 334.541663] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 334.547677] ? __lock_acquire+0x7ec/0x4ec0 [ 334.552773] Node 0 [ 334.556996] ? should_fail+0x22d/0xd01 [ 334.557005] DMA: [ 334.559244] ? mark_held_locks+0x130/0x130 [ 334.563102] 1*4kB [ 334.565154] ? mark_held_locks+0x130/0x130 [ 334.569374] (U) [ 334.571517] ? lock_downgrade+0x900/0x900 [ 334.575746] 0*8kB [ 334.577711] ? graph_lock+0x170/0x170 [ 334.581833] 0*16kB [ 334.583989] ? graph_lock+0x170/0x170 [ 334.587765] 1*32kB [ 334.589991] ? graph_lock+0x170/0x170 [ 334.593770] (U) [ 334.595998] ? print_usage_bug+0xc0/0xc0 [ 334.599777] 2*64kB [ 334.601753] ? do_raw_spin_unlock+0xa7/0x330 [ 334.605785] (U) [ 334.608016] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.612396] 1*128kB [ 334.614371] ? check_preemption_disabled+0x48/0x280 [ 334.619877] (U) [ 334.622230] ? check_preemption_disabled+0x48/0x280 [ 334.627237] 1*256kB [ 334.629225] ? __lock_is_held+0xb5/0x140 [ 334.634207] (U) [ 334.636529] __alloc_pages_nodemask+0xa80/0xde0 [ 334.640561] 0*512kB [ 334.642531] ? graph_lock+0x170/0x170 [ 334.647182] 1*1024kB [ 334.649502] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 334.653276] (U) [ 334.655678] ? graph_lock+0x170/0x170 [ 334.660669] 1*2048kB [ 334.662648] ? find_held_lock+0x36/0x1c0 [ 334.666419] (M) [ 334.668830] ? ____cache_alloc_node+0x1c7/0x1e0 [ 334.672859] 3*4096kB [ 334.674830] ? lock_downgrade+0x900/0x900 [ 334.679475] (M) [ 334.681882] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.685998] = 15908kB [ 334.687974] cache_grow_begin+0x91/0x8c0 [ 334.693483] Node 0 [ 334.695891] ? do_raw_spin_unlock+0xa7/0x330 [ 334.699923] DMA32: [ 334.702159] fallback_alloc+0x203/0x2e0 [ 334.706546] 5*4kB [ 334.708781] ____cache_alloc_node+0x1c7/0x1e0 [ 334.712728] (UM) [ 334.714872] kmem_cache_alloc_node+0xe3/0x730 [ 334.719343] 0*8kB [ 334.721401] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 334.725870] 3*16kB [ 334.728016] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 334.733095] (UM) [ 334.735332] __alloc_skb+0x119/0x770 [ 334.739884] 2*32kB (M) [ 334.741954] ? calc_wheel_index+0x220/0x220 [ 334.745639] 5*64kB [ 334.748222] ? skb_scrub_packet+0x490/0x490 [ 334.752514] (UM) [ 334.754749] ? vprintk_default+0x28/0x30 [ 334.759044] 4*128kB [ 334.761100] ? vprintk_func+0x85/0x181 [ 334.765135] (UM) [ 334.767459] ? printk+0xa7/0xcf [ 334.771319] 3*256kB (M) [ 334.773387] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 334.776638] 4*512kB [ 334.779310] new_skb+0x26/0x1c0 [ 334.784497] (UM) 3*1024kB [ 334.786828] aoecmd_cfg+0x279/0x7f0 [ 334.790074] (UM) 3*2048kB [ 334.792943] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 334.796540] (M) [ 334.799380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 334.803675] 3*4096kB [ 334.805647] ? check_preemption_disabled+0x48/0x280 [ 334.811148] (M) = 25284kB [ 334.813564] ? check_preemption_disabled+0x48/0x280 [ 334.818553] Node 0 [ 334.821314] ? __lock_is_held+0xb5/0x140 [ 334.826296] Normal: [ 334.828582] discover_timer+0x50/0x60 [ 334.832608] 888*4kB [ 334.834930] call_timer_fn+0x272/0x920 [ 334.838701] (UMEH) [ 334.841023] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 334.844888] 387*8kB [ 334.847121] ? process_timeout+0x40/0x40 [ 334.851935] (UME) [ 334.854254] ? find_held_lock+0x36/0x1c0 [ 334.858318] 157*16kB [ 334.860463] ? __run_timers+0x7da/0xc70 [ 334.864496] (UME) [ 334.866900] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.870851] 53*32kB [ 334.872993] ? _raw_spin_unlock_irq+0x27/0x80 [ 334.877501] (UMEH) [ 334.879851] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 334.879868] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 334.884338] 26*64kB [ 334.886570] ? trace_hardirqs_on+0xbd/0x310 [ 334.891383] (UMH) [ 334.895958] ? kasan_check_read+0x11/0x20 [ 334.898271] 4*128kB [ 334.902583] ? __run_timers+0x7da/0xc70 [ 334.904704] (UMH) [ 334.908846] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 334.911157] 0*256kB [ 334.915682] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 334.917807] 0*512kB [ 334.923255] __run_timers+0x7e5/0xc70 [ 334.925558] 1*1024kB [ 334.930405] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 334.932695] (H) [ 334.936488] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 334.938867] 0*2048kB 0*4096kB [ 334.944233] ? graph_lock+0x170/0x170 [ 334.946208] = 14056kB [ 334.951213] ? enqueue_hrtimer+0x1a5/0x560 [ 334.954387] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 334.958182] ? lock_release+0x970/0x970 [ 334.960586] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 334.964804] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 334.973617] 147 total pagecache pages [ 334.977600] ? find_held_lock+0x36/0x1c0 [ 334.986152] 0 pages in swap cache [ 334.991336] ? graph_lock+0x170/0x170 [ 334.995113] Swap cache stats: add 0, delete 0, find 0/0 [ 334.999175] ? pvclock_read_flags+0x160/0x160 [ 335.002602] Free swap = 0kB [ 335.006398] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.011735] Total swap = 0kB [ 335.016233] ? check_preemption_disabled+0x48/0x280 [ 335.019239] 1965979 pages RAM [ 335.024772] ? __lock_is_held+0xb5/0x140 [ 335.027754] 0 pages HighMem/MovableOnly [ 335.027762] 342307 pages reserved [ 335.032770] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.035850] 0 pages cma reserved [ 335.039907] ? check_preemption_disabled+0x48/0x280 [ 335.043939] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 335.047305] run_timer_softirq+0x52/0xb0 [ 335.052943] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.056184] ? rcu_read_lock_sched_held+0x108/0x120 [ 335.061190] ksoftirqd/0 cpuset= [ 335.067680] __do_softirq+0x30c/0xb03 [ 335.071714] / [ 335.082026] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 335.087009] mems_allowed=0 [ 335.090287] ? pvclock_read_flags+0x160/0x160 [ 335.108255] ? lapic_next_event+0x5a/0x90 [ 335.112407] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.117950] ? check_preemption_disabled+0x48/0x280 [ 335.122970] ? check_preemption_disabled+0x48/0x280 [ 335.127996] ? kvm_clock_read+0x18/0x30 [ 335.131971] ? kvm_sched_clock_read+0x9/0x20 [ 335.136380] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.141920] ? check_preemption_disabled+0x48/0x280 [ 335.146972] irq_exit+0x17f/0x1c0 [ 335.150431] smp_apic_timer_interrupt+0x1cb/0x760 [ 335.155273] ? smp_reschedule_interrupt+0x109/0x650 [ 335.160289] ? smp_call_function_single_interrupt+0x650/0x650 [ 335.166176] ? interrupt_entry+0xb5/0xf0 [ 335.170244] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.175259] ? trace_hardirqs_off_caller+0xbb/0x310 [ 335.180278] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.185121] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.190139] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.195187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.200728] ? check_preemption_disabled+0x48/0x280 [ 335.205746] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.211296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.216148] apic_timer_interrupt+0xf/0x20 [ 335.220396] [ 335.222638] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 335.227612] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 335.246513] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 335.254226] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 335.261492] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 335.268757] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 335.276026] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 335.283292] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 335.290604] skb_clone+0x1bb/0x500 [ 335.294150] ? finish_task_switch+0x1b4/0x910 [ 335.298681] ? skb_split+0x11e0/0x11e0 [ 335.302598] ? preempt_notifier_register+0x200/0x200 [ 335.307698] ? __switch_to_asm+0x34/0x70 [ 335.311760] ? __switch_to_asm+0x34/0x70 [ 335.315817] ? __switch_to_asm+0x40/0x70 [ 335.319876] ? __switch_to_asm+0x34/0x70 [ 335.323936] ? __switch_to_asm+0x40/0x70 [ 335.328014] ? __switch_to_asm+0x34/0x70 [ 335.332074] ? __switch_to_asm+0x40/0x70 [ 335.336132] ? __switch_to_asm+0x34/0x70 [ 335.340200] ? __switch_to_asm+0x34/0x70 [ 335.344260] ? __switch_to_asm+0x40/0x70 [ 335.348317] ? __switch_to_asm+0x34/0x70 [ 335.352385] bpf_clone_redirect+0xb9/0x490 [ 335.356624] ? __schedule+0x874/0x1ed0 [ 335.360523] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 335.365545] ? __sched_text_start+0x8/0x8 [ 335.369702] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.374329] ? retint_kernel+0x2d/0x2d [ 335.378255] ? trace_hardirqs_on_caller+0xc0/0x310 [ 335.383223] ? find_held_lock+0x36/0x1c0 [ 335.387290] ? lock_acquire+0x1ed/0x520 [ 335.391260] ? bpf_test_run+0x32e/0x5a0 [ 335.395236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.400774] ? check_preemption_disabled+0x48/0x280 [ 335.405804] ? kasan_check_read+0x11/0x20 [ 335.409975] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.415268] ? rcu_bh_qs+0xc0/0xc0 [ 335.418825] ? preempt_schedule+0x4d/0x60 [ 335.422974] ? ___preempt_schedule+0x16/0x18 [ 335.427393] ? bpf_test_run+0x1c0/0x5a0 [ 335.431380] ? netlink_diag_dump+0x2a0/0x2a0 [ 335.435845] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.441397] ? bpf_test_init.isra.9+0x70/0x100 [ 335.445995] ? bpf_prog_test_run_skb+0x634/0xb40 [ 335.450769] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 335.455614] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 335.461151] ? fput+0x130/0x1a0 [ 335.464466] ? __bpf_prog_get+0x9b/0x290 [ 335.468535] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 335.473375] ? bpf_prog_test_run+0x130/0x1a0 [ 335.477790] ? __x64_sys_bpf+0x3d8/0x510 [ 335.481880] ? bpf_prog_get+0x20/0x20 [ 335.485702] ? do_syscall_64+0x1b9/0x820 [ 335.489763] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 335.495144] ? syscall_return_slowpath+0x5e0/0x5e0 [ 335.500095] ? trace_hardirqs_on_caller+0x310/0x310 [ 335.505109] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 335.510128] ? recalc_sigpending_tsk+0x180/0x180 [ 335.514900] ? kasan_check_write+0x14/0x20 [ 335.519140] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 335.524001] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 335.529384] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 335.529454] aoe: skb alloc failure [ 335.536137] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 335.536142] Call Trace: [ 335.536165] dump_stack+0x1c4/0x2b6 [ 335.536193] ? dump_stack_print_info.cold.1+0x20/0x20 [ 335.539739] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 335.549067] warn_alloc.cold.119+0xb7/0x1bd [ 335.551619] syz-executor1 cpuset= [ 335.555240] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 335.560405] syz1 [ 335.570882] ? lock_downgrade+0x900/0x900 [ 335.575217] mems_allowed=0 [ 335.578700] ? trace_hardirqs_off+0xb8/0x310 [ 335.596927] ? trace_hardirqs_off+0xb8/0x310 [ 335.601372] __alloc_pages_slowpath+0x265e/0x2d70 [ 335.606253] ? warn_alloc+0x120/0x120 [ 335.610064] ? warn_alloc+0x120/0x120 [ 335.613897] ? print_usage_bug+0xc0/0xc0 [ 335.617975] ? warn_alloc+0x120/0x120 [ 335.621878] ? print_usage_bug+0xc0/0xc0 [ 335.625942] ? __lock_acquire+0x7ec/0x4ec0 [ 335.630183] ? __lock_acquire+0x7ec/0x4ec0 [ 335.634423] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 335.639965] ? should_fail+0x22d/0xd01 [ 335.643857] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.648961] ? __lock_acquire+0x7ec/0x4ec0 [ 335.653207] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 335.658307] ? __lock_acquire+0x7ec/0x4ec0 [ 335.662540] ? should_fail+0x22d/0xd01 [ 335.666455] ? mark_held_locks+0x130/0x130 [ 335.670696] ? mark_held_locks+0x130/0x130 [ 335.674938] ? graph_lock+0x170/0x170 [ 335.678742] ? print_usage_bug+0xc0/0xc0 [ 335.682819] ? __lock_acquire+0x7ec/0x4ec0 [ 335.687058] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.692597] ? check_preemption_disabled+0x48/0x280 [ 335.697615] ? check_preemption_disabled+0x48/0x280 [ 335.702642] ? __lock_is_held+0xb5/0x140 [ 335.706712] __alloc_pages_nodemask+0xa80/0xde0 [ 335.711380] ? graph_lock+0x170/0x170 [ 335.715233] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 335.720255] ? graph_lock+0x170/0x170 [ 335.724077] ? find_held_lock+0x36/0x1c0 [ 335.728161] ? ____cache_alloc_node+0x1c7/0x1e0 [ 335.732855] ? lock_downgrade+0x900/0x900 [ 335.737013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.742558] cache_grow_begin+0x91/0x8c0 [ 335.746620] ? do_raw_spin_unlock+0xa7/0x330 [ 335.751040] fallback_alloc+0x203/0x2e0 [ 335.755022] ____cache_alloc_node+0x1c7/0x1e0 [ 335.759522] kmem_cache_alloc_node+0xe3/0x730 [ 335.764022] ? ipv6_get_ifaddr+0x42e/0x620 [ 335.768281] __alloc_skb+0x119/0x770 [ 335.771997] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.777280] ? skb_scrub_packet+0x490/0x490 [ 335.781627] ? lock_downgrade+0x900/0x900 [ 335.785789] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.791325] ? refcount_sub_and_test_checked+0x203/0x310 [ 335.796800] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 335.802250] ? addrconf_rs_timer+0x690/0x690 [ 335.806685] ndisc_alloc_skb+0x144/0x340 [ 335.810752] ndisc_send_rs+0x331/0x6e0 [ 335.814658] addrconf_rs_timer+0x314/0x690 [ 335.818948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.823249] call_timer_fn+0x272/0x920 [ 335.827142] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.831389] ? process_timeout+0x40/0x40 [ 335.835451] ? find_held_lock+0x36/0x1c0 [ 335.839521] ? __run_timers+0x7da/0xc70 [ 335.843502] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.847991] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.852500] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.856735] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 335.861321] ? trace_hardirqs_on+0xbd/0x310 [ 335.865642] ? kasan_check_read+0x11/0x20 [ 335.869803] ? __run_timers+0x7da/0xc70 [ 335.873780] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.879236] ? work_on_cpu_safe+0x90/0x90 [ 335.883393] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 335.887626] __run_timers+0x7e5/0xc70 [ 335.891459] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 335.896827] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.901339] ? _raw_spin_unlock_irq+0x27/0x80 [ 335.905849] ? lockdep_hardirqs_on+0x421/0x5c0 [ 335.910432] ? trace_hardirqs_on+0xbd/0x310 [ 335.914764] ? kasan_check_read+0x11/0x20 [ 335.918913] ? finish_task_switch+0x1f4/0x910 [ 335.923409] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 335.928863] ? compat_start_thread+0x80/0x80 [ 335.933274] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.938825] ? pvclock_read_flags+0x160/0x160 [ 335.943320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.948865] ? check_preemption_disabled+0x48/0x280 [ 335.953892] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 335.959428] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 335.964713] ? rcu_pm_notify+0xc0/0xc0 [ 335.968602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 335.974155] ? check_preemption_disabled+0x48/0x280 [ 335.979191] run_timer_softirq+0x52/0xb0 [ 335.983251] ? rcu_read_lock_sched_held+0x108/0x120 [ 335.988273] __do_softirq+0x30c/0xb03 [ 335.992090] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 335.997196] ? trace_hardirqs_off+0xb8/0x310 [ 336.001626] ? schedule+0x108/0x460 [ 336.005280] ? trace_hardirqs_off+0xb8/0x310 [ 336.009690] ? smpboot_thread_fn+0x68b/0xa00 [ 336.014099] ? trace_hardirqs_on+0x310/0x310 [ 336.018512] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.024071] ? check_preemption_disabled+0x48/0x280 [ 336.029092] ? takeover_tasklets+0xa90/0xa90 [ 336.033533] run_ksoftirqd+0x94/0x100 [ 336.037334] smpboot_thread_fn+0x68b/0xa00 [ 336.041577] ? sort_range+0x30/0x30 [ 336.045207] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 336.050311] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.055851] ? __kthread_parkme+0xfb/0x1a0 [ 336.060093] kthread+0x35a/0x420 [ 336.063463] ? sort_range+0x30/0x30 [ 336.067088] ? kthread_bind+0x40/0x40 [ 336.070896] ret_from_fork+0x3a/0x50 [ 336.074627] warn_alloc_show_mem: 1 callbacks suppressed [ 336.074640] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 336.074641] Mem-Info: [ 336.074673] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 336.074673] active_file:15 inactive_file:13 isolated_file:0 [ 336.074673] unevictable:0 dirty:0 writeback:0 unstable:0 [ 336.074673] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 336.074673] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 336.074673] free:13788 free_pcp:609 free_cma:0 [ 336.080008] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 336.087286] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 336.089682] Call Trace: [ 336.122546] Node 0 [ 336.131889] [ 336.159400] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 336.161963] dump_stack+0x1c4/0x2b6 [ 336.164185] lowmem_reserve[]: [ 336.166331] ? dump_stack_print_info.cold.1+0x20/0x20 [ 336.191808] 0 [ 336.195453] warn_alloc.cold.119+0xb7/0x1bd [ 336.198524] 2819 [ 336.203704] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 336.205483] 6323 [ 336.209803] ? lock_downgrade+0x900/0x900 [ 336.211835] 6323 [ 336.216689] ? trace_hardirqs_off+0xb8/0x310 [ 336.218728] Node 0 [ 336.222869] ? trace_hardirqs_off+0xb8/0x310 [ 336.224930] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 336.229313] __alloc_pages_slowpath+0x265e/0x2d70 [ 336.231516] lowmem_reserve[]: [ 336.235948] ? warn_alloc+0x120/0x120 [ 336.262785] 0 0 [ 336.267652] ? warn_alloc+0x120/0x120 [ 336.270716] 3503 3503 [ 336.274518] ? print_usage_bug+0xc0/0xc0 [ 336.280264] ? warn_alloc+0x120/0x120 [ 336.282738] Node 0 [ 336.286789] ? print_usage_bug+0xc0/0xc0 [ 336.290588] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 336.292803] ? mark_held_locks+0x130/0x130 [ 336.296857] lowmem_reserve[]: 0 [ 336.325243] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 336.329455] 0 [ 336.332731] ? should_fail+0x22d/0xd01 [ 336.338245] 0 [ 336.340040] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.343905] 0 [ 336.345700] ? __lock_acquire+0x7ec/0x4ec0 [ 336.352578] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 336.356785] Node 0 [ 336.361875] ? __lock_acquire+0x7ec/0x4ec0 [ 336.361885] DMA: [ 336.364113] ? should_fail+0x22d/0xd01 [ 336.368328] 1*4kB [ 336.370391] ? mark_held_locks+0x130/0x130 [ 336.374251] (U) [ 336.376393] ? mark_held_locks+0x130/0x130 [ 336.380600] 0*8kB [ 336.382570] ? lock_downgrade+0x900/0x900 [ 336.386778] 0*16kB [ 336.388921] ? graph_lock+0x170/0x170 [ 336.393046] 1*32kB [ 336.395278] ? graph_lock+0x170/0x170 [ 336.399053] (U) [ 336.401284] ? graph_lock+0x170/0x170 [ 336.405063] 2*64kB [ 336.407033] ? print_usage_bug+0xc0/0xc0 [ 336.410806] (U) [ 336.413040] ? do_raw_spin_unlock+0xa7/0x330 [ 336.417072] 1*128kB [ 336.419040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.423421] (U) [ 336.425740] ? check_preemption_disabled+0x48/0x280 [ 336.431247] 1*256kB [ 336.433219] ? check_preemption_disabled+0x48/0x280 [ 336.438205] (U) [ 336.440533] ? __lock_is_held+0xb5/0x140 [ 336.445518] 0*512kB [ 336.447492] __alloc_pages_nodemask+0xa80/0xde0 [ 336.451523] 1*1024kB [ 336.453838] ? graph_lock+0x170/0x170 [ 336.458484] (U) [ 336.460894] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 336.464673] 1*2048kB [ 336.466639] ? graph_lock+0x170/0x170 [ 336.471628] (M) [ 336.474041] ? find_held_lock+0x36/0x1c0 [ 336.477806] 3*4096kB (M) [ 336.479800] ? ____cache_alloc_node+0x1c7/0x1e0 [ 336.483828] = 15908kB [ 336.486577] ? lock_downgrade+0x900/0x900 [ 336.491222] Node 0 [ 336.493644] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.497756] DMA32: 5*4kB [ 336.499995] cache_grow_begin+0x91/0x8c0 [ 336.505507] (UM) [ 336.508259] ? do_raw_spin_unlock+0xa7/0x330 [ 336.512296] 0*8kB [ 336.514359] fallback_alloc+0x203/0x2e0 [ 336.518736] 3*16kB [ 336.520881] ____cache_alloc_node+0x1c7/0x1e0 [ 336.524828] (UM) [ 336.527064] kmem_cache_alloc_node+0xe3/0x730 [ 336.531539] 2*32kB [ 336.533601] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 336.538069] (M) [ 336.540301] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 336.545378] 5*64kB [ 336.547349] __alloc_skb+0x119/0x770 [ 336.551899] (UM) [ 336.554132] ? calc_wheel_index+0x220/0x220 [ 336.557830] 4*128kB [ 336.559887] ? skb_scrub_packet+0x490/0x490 [ 336.564192] (UM) [ 336.566517] ? vprintk_default+0x28/0x30 [ 336.570804] 3*256kB [ 336.572854] ? vprintk_func+0x85/0x181 [ 336.576934] (M) [ 336.579260] ? printk+0xa7/0xcf [ 336.583123] 4*512kB [ 336.585093] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 336.588346] (UM) [ 336.590671] new_skb+0x26/0x1c0 [ 336.595399] 3*1024kB [ 336.597460] aoecmd_cfg+0x279/0x7f0 [ 336.600731] (UM) [ 336.603142] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 336.606739] 3*2048kB [ 336.608794] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.613090] (M) [ 336.615502] ? check_preemption_disabled+0x48/0x280 [ 336.621011] 3*4096kB [ 336.622979] ? check_preemption_disabled+0x48/0x280 [ 336.627971] (M) [ 336.630380] ? __lock_is_held+0xb5/0x140 [ 336.635371] = 25284kB [ 336.637348] discover_timer+0x50/0x60 [ 336.641643] Node 0 [ 336.644050] call_timer_fn+0x272/0x920 [ 336.647820] Normal: 888*4kB [ 336.650060] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.653920] (UMEH) [ 336.656937] ? process_timeout+0x40/0x40 [ 336.661752] 387*8kB [ 336.663984] ? find_held_lock+0x36/0x1c0 [ 336.668023] (UME) [ 336.670346] ? __run_timers+0x7da/0xc70 [ 336.674380] 157*16kB [ 336.676521] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.680499] (UME) [ 336.682901] ? _raw_spin_unlock_irq+0x27/0x80 [ 336.687376] 53*32kB [ 336.689519] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.693986] (UMEH) [ 336.696304] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 336.701122] 26*64kB [ 336.703353] ? trace_hardirqs_on+0xbd/0x310 [ 336.707906] (UMH) [ 336.710245] ? kasan_check_read+0x11/0x20 [ 336.714568] 4*128kB [ 336.716715] ? __run_timers+0x7da/0xc70 [ 336.720835] (UMH) [ 336.723151] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 336.727101] 0*256kB [ 336.729256] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 336.734671] 0*512kB [ 336.736986] __run_timers+0x7e5/0xc70 [ 336.741801] 1*1024kB (H) [ 336.744134] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 336.747901] 0*2048kB [ 336.750655] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 336.755996] 0*4096kB [ 336.758397] ? graph_lock+0x170/0x170 [ 336.763391] = 14056kB [ 336.765796] ? enqueue_hrtimer+0x1a5/0x560 [ 336.769575] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 336.771968] ? lock_release+0x970/0x970 [ 336.771984] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 336.776208] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 336.785191] ? find_held_lock+0x36/0x1c0 [ 336.789139] 147 total pagecache pages [ 336.794320] ? graph_lock+0x170/0x170 [ 336.802876] 0 pages in swap cache [ 336.806948] ? pvclock_read_flags+0x160/0x160 [ 336.810722] Swap cache stats: add 0, delete 0, find 0/0 [ 336.814514] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.817946] Free swap = 0kB [ 336.822437] ? check_preemption_disabled+0x48/0x280 [ 336.827775] Total swap = 0kB [ 336.833308] ? __lock_is_held+0xb5/0x140 [ 336.836296] 1965979 pages RAM [ 336.841321] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.844308] 0 pages HighMem/MovableOnly [ 336.844316] 342307 pages reserved [ 336.848374] ? check_preemption_disabled+0x48/0x280 [ 336.851455] 0 pages cma reserved [ 336.856988] run_timer_softirq+0x52/0xb0 [ 336.861002] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 336.864378] ? rcu_read_lock_sched_held+0x108/0x120 [ 336.869431] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 336.872736] __do_softirq+0x30c/0xb03 [ 336.876775] ksoftirqd/0 cpuset= [ 336.883267] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 336.888252] / [ 336.898558] ? pvclock_read_flags+0x160/0x160 [ 336.902337] mems_allowed=0 [ 336.905607] ? lapic_next_event+0x5a/0x90 [ 336.924462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.930019] ? check_preemption_disabled+0x48/0x280 [ 336.935046] ? check_preemption_disabled+0x48/0x280 [ 336.940069] ? kvm_clock_read+0x18/0x30 [ 336.944047] ? kvm_sched_clock_read+0x9/0x20 [ 336.948465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 336.954003] ? check_preemption_disabled+0x48/0x280 [ 336.959041] irq_exit+0x17f/0x1c0 [ 336.962500] smp_apic_timer_interrupt+0x1cb/0x760 [ 336.967347] ? smp_reschedule_interrupt+0x109/0x650 [ 336.972365] ? smp_call_function_single_interrupt+0x650/0x650 [ 336.978253] ? interrupt_entry+0xb5/0xf0 [ 336.982317] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.987335] ? trace_hardirqs_off_caller+0xbb/0x310 [ 336.992352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 336.997200] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.002213] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.007233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.012770] ? check_preemption_disabled+0x48/0x280 [ 337.017783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.023327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.028186] apic_timer_interrupt+0xf/0x20 [ 337.032414] [ 337.034651] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 337.039582] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 337.058482] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 337.066194] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 337.073467] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 337.080737] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 337.088005] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 337.095269] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 337.102581] skb_clone+0x1bb/0x500 [ 337.106119] ? finish_task_switch+0x1b4/0x910 [ 337.110626] ? skb_split+0x11e0/0x11e0 [ 337.114537] ? preempt_notifier_register+0x200/0x200 [ 337.119640] ? __switch_to_asm+0x34/0x70 [ 337.123703] ? __switch_to_asm+0x34/0x70 [ 337.127762] ? __switch_to_asm+0x40/0x70 [ 337.131823] ? __switch_to_asm+0x34/0x70 [ 337.135881] ? __switch_to_asm+0x40/0x70 [ 337.139960] ? __switch_to_asm+0x34/0x70 [ 337.144020] ? __switch_to_asm+0x40/0x70 [ 337.148077] ? __switch_to_asm+0x34/0x70 [ 337.152139] ? __switch_to_asm+0x34/0x70 [ 337.156203] ? __switch_to_asm+0x40/0x70 [ 337.160273] ? __switch_to_asm+0x34/0x70 [ 337.164355] bpf_clone_redirect+0xb9/0x490 [ 337.168591] ? __schedule+0x874/0x1ed0 [ 337.172490] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 337.177509] ? __sched_text_start+0x8/0x8 [ 337.181660] ? lockdep_hardirqs_on+0x421/0x5c0 [ 337.186244] ? retint_kernel+0x2d/0x2d [ 337.190133] ? trace_hardirqs_on_caller+0xc0/0x310 [ 337.195073] ? find_held_lock+0x36/0x1c0 [ 337.199145] ? lock_acquire+0x1ed/0x520 [ 337.203129] ? bpf_test_run+0x32e/0x5a0 [ 337.207101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.212638] ? check_preemption_disabled+0x48/0x280 [ 337.217659] ? kasan_check_read+0x11/0x20 [ 337.221808] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.227084] ? rcu_bh_qs+0xc0/0xc0 [ 337.230628] ? preempt_schedule+0x4d/0x60 [ 337.234778] ? ___preempt_schedule+0x16/0x18 [ 337.239200] ? bpf_test_run+0x1c0/0x5a0 [ 337.243198] ? netlink_diag_dump+0x2a0/0x2a0 [ 337.247615] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.253154] ? bpf_test_init.isra.9+0x70/0x100 [ 337.257747] ? bpf_prog_test_run_skb+0x634/0xb40 [ 337.262514] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 337.267358] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 337.272891] ? fput+0x130/0x1a0 [ 337.276180] ? __bpf_prog_get+0x9b/0x290 [ 337.280245] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 337.285087] ? bpf_prog_test_run+0x130/0x1a0 [ 337.289502] ? __x64_sys_bpf+0x3d8/0x510 [ 337.293562] ? bpf_prog_get+0x20/0x20 [ 337.297387] ? do_syscall_64+0x1b9/0x820 [ 337.301444] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 337.306810] ? syscall_return_slowpath+0x5e0/0x5e0 [ 337.311746] ? trace_hardirqs_on_caller+0x310/0x310 [ 337.316763] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 337.321781] ? recalc_sigpending_tsk+0x180/0x180 [ 337.326544] ? kasan_check_write+0x14/0x20 [ 337.330784] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 337.335634] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 337.341020] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 337.341090] aoe: skb alloc failure [ 337.347872] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.347880] Call Trace: [ 337.351488] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 337.360765] dump_stack+0x1c4/0x2b6 [ 337.363315] syz-executor1 cpuset= [ 337.373792] ? dump_stack_print_info.cold.1+0x20/0x20 [ 337.377394] syz1 [ 337.380864] warn_alloc.cold.119+0xb7/0x1bd [ 337.386023] mems_allowed=0 [ 337.388027] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 337.400094] ? lock_downgrade+0x900/0x900 [ 337.404255] ? trace_hardirqs_off+0xb8/0x310 [ 337.408673] ? trace_hardirqs_off+0xb8/0x310 [ 337.413091] __alloc_pages_slowpath+0x265e/0x2d70 [ 337.417968] ? warn_alloc+0x120/0x120 [ 337.421774] ? warn_alloc+0x120/0x120 [ 337.425578] ? print_usage_bug+0xc0/0xc0 [ 337.429643] ? warn_alloc+0x120/0x120 [ 337.433453] ? print_usage_bug+0xc0/0xc0 [ 337.437516] ? __lock_acquire+0x7ec/0x4ec0 [ 337.441755] ? __lock_acquire+0x7ec/0x4ec0 [ 337.445994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.451537] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.457077] ? should_fail+0x22d/0xd01 [ 337.460973] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.466076] ? __lock_acquire+0x7ec/0x4ec0 [ 337.470315] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 337.475423] ? __lock_acquire+0x7ec/0x4ec0 [ 337.479659] ? should_fail+0x22d/0xd01 [ 337.483583] ? mark_held_locks+0x130/0x130 [ 337.487868] ? mark_held_locks+0x130/0x130 [ 337.492119] ? graph_lock+0x170/0x170 [ 337.496007] ? print_usage_bug+0xc0/0xc0 [ 337.500068] ? graph_lock+0x170/0x170 [ 337.503869] ? print_usage_bug+0xc0/0xc0 [ 337.507930] ? wq_watchdog_touch+0x9c/0xfe [ 337.512173] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.517712] ? check_preemption_disabled+0x48/0x280 [ 337.522728] ? check_preemption_disabled+0x48/0x280 [ 337.527756] ? __lock_is_held+0xb5/0x140 [ 337.531828] __alloc_pages_nodemask+0xa80/0xde0 [ 337.536497] ? graph_lock+0x170/0x170 [ 337.540328] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 337.545342] ? graph_lock+0x170/0x170 [ 337.549153] ? find_held_lock+0x36/0x1c0 [ 337.553250] ? ____cache_alloc_node+0x1c7/0x1e0 [ 337.557925] ? lock_downgrade+0x900/0x900 [ 337.562081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.567627] cache_grow_begin+0x91/0x8c0 [ 337.571691] ? do_raw_spin_unlock+0xa7/0x330 [ 337.576111] fallback_alloc+0x203/0x2e0 [ 337.580092] ____cache_alloc_node+0x1c7/0x1e0 [ 337.584597] kmem_cache_alloc_node+0xe3/0x730 [ 337.589097] ? ipv6_get_ifaddr+0x42e/0x620 [ 337.593346] __alloc_skb+0x119/0x770 [ 337.597062] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.602345] ? skb_scrub_packet+0x490/0x490 [ 337.606665] ? lock_downgrade+0x900/0x900 [ 337.610820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.616358] ? refcount_sub_and_test_checked+0x203/0x310 [ 337.621816] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 337.627267] ? addrconf_rs_timer+0x690/0x690 [ 337.631690] ndisc_alloc_skb+0x144/0x340 [ 337.635761] ndisc_send_rs+0x331/0x6e0 [ 337.639657] addrconf_rs_timer+0x314/0x690 [ 337.643900] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.648150] call_timer_fn+0x272/0x920 [ 337.652050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.656286] ? process_timeout+0x40/0x40 [ 337.660430] ? find_held_lock+0x36/0x1c0 [ 337.664506] ? __run_timers+0x7da/0xc70 [ 337.668486] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.672979] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.677470] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.681707] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 337.686295] ? trace_hardirqs_on+0xbd/0x310 [ 337.690619] ? kasan_check_read+0x11/0x20 [ 337.694769] ? __run_timers+0x7da/0xc70 [ 337.698745] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.704205] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.708451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 337.712685] __run_timers+0x7e5/0xc70 [ 337.716504] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 337.721869] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.726367] ? _raw_spin_unlock_irq+0x27/0x80 [ 337.730864] ? lockdep_hardirqs_on+0x421/0x5c0 [ 337.735450] ? trace_hardirqs_on+0xbd/0x310 [ 337.739772] ? kasan_check_read+0x11/0x20 [ 337.743921] ? finish_task_switch+0x1f4/0x910 [ 337.748420] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 337.754486] ? compat_start_thread+0x80/0x80 [ 337.758903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.764458] ? pvclock_read_flags+0x160/0x160 [ 337.768951] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.774494] ? check_preemption_disabled+0x48/0x280 [ 337.779520] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 337.785060] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 337.790337] ? rcu_pm_notify+0xc0/0xc0 [ 337.794223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 337.799762] ? check_preemption_disabled+0x48/0x280 [ 337.804793] run_timer_softirq+0x52/0xb0 [ 337.808855] ? rcu_read_lock_sched_held+0x108/0x120 [ 337.813876] __do_softirq+0x30c/0xb03 [ 337.817692] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 337.822795] ? trace_hardirqs_off+0xb8/0x310 [ 337.827229] ? schedule+0x108/0x460 [ 337.830866] ? trace_hardirqs_off+0xb8/0x310 [ 337.835275] ? smpboot_thread_fn+0x68b/0xa00 [ 337.839684] ? trace_hardirqs_on+0x310/0x310 [ 337.844099] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.849636] ? check_preemption_disabled+0x48/0x280 [ 337.854662] ? takeover_tasklets+0xa90/0xa90 [ 337.859077] run_ksoftirqd+0x94/0x100 [ 337.862897] smpboot_thread_fn+0x68b/0xa00 [ 337.867146] ? sort_range+0x30/0x30 [ 337.870827] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 337.875944] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 337.881485] ? __kthread_parkme+0xfb/0x1a0 [ 337.885724] kthread+0x35a/0x420 [ 337.889088] ? sort_range+0x30/0x30 [ 337.892728] ? kthread_bind+0x40/0x40 [ 337.896531] ret_from_fork+0x3a/0x50 [ 337.900259] warn_alloc_show_mem: 1 callbacks suppressed [ 337.900271] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 337.900272] Mem-Info: [ 337.900304] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 337.900304] active_file:15 inactive_file:13 isolated_file:0 [ 337.900304] unevictable:0 dirty:0 writeback:0 unstable:0 [ 337.900304] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 337.900304] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 337.900304] free:13788 free_pcp:609 free_cma:0 [ 337.905639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 337.912943] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 337.915348] Call Trace: [ 337.948240] Node 0 [ 337.957587] [ 337.985114] 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 [ 337.987677] dump_stack+0x1c4/0x2b6 [ 337.989879] lowmem_reserve[]: [ 337.992029] ? dump_stack_print_info.cold.1+0x20/0x20 [ 338.017511] 0 [ 338.021148] warn_alloc.cold.119+0xb7/0x1bd [ 338.024215] 2819 [ 338.029402] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 338.031186] 6323 [ 338.035506] ? lock_downgrade+0x900/0x900 [ 338.037597] 6323 [ 338.042438] ? trace_hardirqs_off+0xb8/0x310 [ 338.044477] Node 0 [ 338.048623] ? trace_hardirqs_off+0xb8/0x310 [ 338.050685] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 338.055067] __alloc_pages_slowpath+0x265e/0x2d70 [ 338.057274] lowmem_reserve[]: [ 338.061700] ? warn_alloc+0x120/0x120 [ 338.088550] 0 [ 338.093394] ? pvclock_read_flags+0x160/0x160 [ 338.096468] 0 [ 338.100263] ? warn_alloc+0x120/0x120 [ 338.102036] 3503 3503 [ 338.106533] ? print_usage_bug+0xc0/0xc0 [ 338.112127] ? warn_alloc+0x120/0x120 [ 338.114640] Node 0 [ 338.118696] ? kvm_clock_read+0x18/0x30 [ 338.122496] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 338.124698] ? print_usage_bug+0xc0/0xc0 [ 338.128644] lowmem_reserve[]: [ 338.157008] ? ktime_get+0x2e1/0x440 [ 338.161041] 0 [ 338.164135] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.167836] 0 [ 338.169682] ? check_preemption_disabled+0x48/0x280 [ 338.175193] 0 [ 338.176994] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 338.181983] 0 [ 338.183783] ? should_fail+0x22d/0xd01 [ 338.191090] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 338.194946] Node 0 DMA: [ 338.200236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.200239] 1*4kB (U) [ 338.202927] ? __lock_acquire+0x7ec/0x4ec0 [ 338.208020] 0*8kB [ 338.210508] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 338.214716] 0*16kB [ 338.216862] ? __lock_acquire+0x7ec/0x4ec0 [ 338.221939] 1*32kB [ 338.224183] ? should_fail+0x22d/0xd01 [ 338.228391] (U) [ 338.230618] ? print_usage_bug+0xc0/0xc0 [ 338.234478] 2*64kB (U) [ 338.236458] ? mark_held_locks+0x130/0x130 [ 338.240497] 1*128kB [ 338.243076] ? mark_held_locks+0x130/0x130 [ 338.247286] (U) [ 338.249611] ? graph_lock+0x170/0x170 [ 338.253815] 1*256kB [ 338.255784] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 338.259587] (U) [ 338.261906] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.266895] 0*512kB [ 338.268879] ? check_preemption_disabled+0x48/0x280 [ 338.274381] 1*1024kB (U) [ 338.276707] ? check_preemption_disabled+0x48/0x280 [ 338.281698] 1*2048kB [ 338.284466] ? __lock_is_held+0xb5/0x140 [ 338.289460] (M) [ 338.291915] __alloc_pages_nodemask+0xa80/0xde0 [ 338.295941] 3*4096kB (M) [ 338.297917] ? graph_lock+0x170/0x170 [ 338.302565] = 15908kB [ 338.305314] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 338.309098] Node 0 [ 338.311500] ? graph_lock+0x170/0x170 [ 338.316491] DMA32: [ 338.318728] ? find_held_lock+0x36/0x1c0 [ 338.322496] 5*4kB [ 338.324732] ? ____cache_alloc_node+0x1c7/0x1e0 [ 338.328766] (UM) [ 338.330910] ? lock_downgrade+0x900/0x900 [ 338.335561] 0*8kB [ 338.337618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.341740] 3*16kB [ 338.343884] cache_grow_begin+0x91/0x8c0 [ 338.349391] (UM) [ 338.351625] ? do_raw_spin_unlock+0xa7/0x330 [ 338.355654] 2*32kB (M) [ 338.357722] fallback_alloc+0x203/0x2e0 [ 338.362105] 5*64kB [ 338.364682] ____cache_alloc_node+0x1c7/0x1e0 [ 338.368647] (UM) [ 338.370909] kmem_cache_alloc_node+0xe3/0x730 [ 338.375380] 4*128kB [ 338.377435] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 338.381921] (UM) [ 338.384244] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 338.389324] 3*256kB [ 338.391385] __alloc_skb+0x119/0x770 [ 338.395937] (M) [ 338.398264] ? calc_wheel_index+0x220/0x220 [ 338.401954] 4*512kB [ 338.403921] ? skb_scrub_packet+0x490/0x490 [ 338.408226] (UM) [ 338.410553] ? vprintk_default+0x28/0x30 [ 338.414839] 3*1024kB (UM) [ 338.416899] ? vprintk_func+0x85/0x181 [ 338.420980] 3*2048kB [ 338.423815] ? printk+0xa7/0xcf [ 338.427678] (M) [ 338.430086] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 338.433353] 3*4096kB (M) [ 338.435338] new_skb+0x26/0x1c0 [ 338.440069] = 25284kB [ 338.442822] aoecmd_cfg+0x279/0x7f0 [ 338.446075] Node 0 [ 338.448484] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 338.452076] Normal: 888*4kB [ 338.454320] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.458700] (UMEH) [ 338.461723] ? check_preemption_disabled+0x48/0x280 [ 338.467228] 387*8kB [ 338.469456] ? check_preemption_disabled+0x48/0x280 [ 338.469481] ? __lock_is_held+0xb5/0x140 [ 338.474466] (UME) [ 338.476795] discover_timer+0x50/0x60 [ 338.481777] 157*16kB [ 338.485831] call_timer_fn+0x272/0x920 [ 338.487954] (UME) [ 338.491747] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 338.494141] 53*32kB [ 338.498017] ? process_timeout+0x40/0x40 [ 338.500146] (UMEH) [ 338.504985] ? find_held_lock+0x36/0x1c0 [ 338.507284] 26*64kB [ 338.511342] ? __run_timers+0x7da/0xc70 [ 338.513553] (UMH) [ 338.517609] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.519912] 4*128kB [ 338.523873] ? _raw_spin_unlock_irq+0x27/0x80 [ 338.526000] (UMH) [ 338.530493] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 338.532791] 0*256kB [ 338.537278] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 338.539402] 0*512kB [ 338.544235] ? trace_hardirqs_on+0xbd/0x310 [ 338.546533] 1*1024kB [ 338.551110] ? kasan_check_read+0x11/0x20 [ 338.553405] (H) [ 338.557718] ? __run_timers+0x7da/0xc70 [ 338.560099] 0*2048kB 0*4096kB [ 338.564246] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 338.566199] = 14056kB [ 338.570179] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 338.573342] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 338.578775] __run_timers+0x7e5/0xc70 [ 338.581175] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 338.586012] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 338.594817] 147 total pagecache pages [ 338.598610] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 338.607164] 0 pages in swap cache [ 338.612520] ? graph_lock+0x170/0x170 [ 338.616293] Swap cache stats: add 0, delete 0, find 0/0 [ 338.616302] Free swap = 0kB [ 338.621308] ? enqueue_hrtimer+0x1a5/0x560 [ 338.624736] Total swap = 0kB [ 338.628532] ? lock_release+0x970/0x970 [ 338.633866] 1965979 pages RAM [ 338.636879] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 338.641087] 0 pages HighMem/MovableOnly [ 338.644101] ? find_held_lock+0x36/0x1c0 [ 338.648062] 342307 pages reserved [ 338.651163] ? graph_lock+0x170/0x170 [ 338.656338] 0 pages cma reserved [ 338.660307] ? pvclock_read_flags+0x160/0x160 [ 338.664416] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 338.667785] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.671656] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 338.674928] ? check_preemption_disabled+0x48/0x280 [ 338.679400] ksoftirqd/0 cpuset= [ 338.685890] ? __lock_is_held+0xb5/0x140 [ 338.691398] / [ 338.701703] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.706698] mems_allowed=0 [ 338.709974] ? check_preemption_disabled+0x48/0x280 [ 338.729154] run_timer_softirq+0x52/0xb0 [ 338.733255] ? rcu_read_lock_sched_held+0x108/0x120 [ 338.738272] __do_softirq+0x30c/0xb03 [ 338.742086] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 338.747203] ? pvclock_read_flags+0x160/0x160 [ 338.751700] ? lapic_next_event+0x5a/0x90 [ 338.756642] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.762190] ? check_preemption_disabled+0x48/0x280 [ 338.767220] ? check_preemption_disabled+0x48/0x280 [ 338.772241] ? kvm_clock_read+0x18/0x30 [ 338.776240] ? kvm_sched_clock_read+0x9/0x20 [ 338.780663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.786533] ? check_preemption_disabled+0x48/0x280 [ 338.791577] irq_exit+0x17f/0x1c0 [ 338.795047] smp_apic_timer_interrupt+0x1cb/0x760 [ 338.799891] ? smp_reschedule_interrupt+0x109/0x650 [ 338.804908] ? smp_call_function_single_interrupt+0x650/0x650 [ 338.810799] ? interrupt_entry+0xb5/0xf0 [ 338.814861] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.819875] ? trace_hardirqs_off_caller+0xbb/0x310 [ 338.824895] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.829740] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.834753] ? trace_hardirqs_on_caller+0x310/0x310 [ 338.839767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.845308] ? check_preemption_disabled+0x48/0x280 [ 338.850324] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 338.855869] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 338.860724] apic_timer_interrupt+0xf/0x20 [ 338.864956] [ 338.867201] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 338.872130] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 338.891026] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 338.898737] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 338.906003] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 338.913268] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 338.921031] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 338.928297] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 338.935611] skb_clone+0x1bb/0x500 [ 338.939165] ? finish_task_switch+0x1b4/0x910 [ 338.943668] ? skb_split+0x11e0/0x11e0 [ 338.947555] ? preempt_notifier_register+0x200/0x200 [ 338.952669] ? __switch_to_asm+0x34/0x70 [ 338.956737] ? __switch_to_asm+0x34/0x70 [ 338.961356] ? __switch_to_asm+0x40/0x70 [ 338.965415] ? __switch_to_asm+0x34/0x70 [ 338.969503] ? __switch_to_asm+0x40/0x70 [ 338.973561] ? __switch_to_asm+0x34/0x70 [ 338.977622] ? __switch_to_asm+0x40/0x70 [ 338.981679] ? __switch_to_asm+0x34/0x70 [ 338.985738] ? __switch_to_asm+0x34/0x70 [ 338.989797] ? __switch_to_asm+0x40/0x70 [ 338.993854] ? __switch_to_asm+0x34/0x70 [ 338.997920] bpf_clone_redirect+0xb9/0x490 [ 339.002159] ? __schedule+0x874/0x1ed0 [ 339.006063] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 339.011082] ? __sched_text_start+0x8/0x8 [ 339.015238] ? lockdep_hardirqs_on+0x421/0x5c0 [ 339.019818] ? retint_kernel+0x2d/0x2d [ 339.023705] ? trace_hardirqs_on_caller+0xc0/0x310 [ 339.028642] ? find_held_lock+0x36/0x1c0 [ 339.032713] ? lock_acquire+0x1ed/0x520 [ 339.036683] ? bpf_test_run+0x32e/0x5a0 [ 339.040659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.046211] ? check_preemption_disabled+0x48/0x280 [ 339.051239] ? kasan_check_read+0x11/0x20 [ 339.055393] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.060672] ? rcu_bh_qs+0xc0/0xc0 [ 339.064216] ? preempt_schedule+0x4d/0x60 [ 339.068369] ? ___preempt_schedule+0x16/0x18 [ 339.072786] ? bpf_test_run+0x1c0/0x5a0 [ 339.076773] ? netlink_diag_dump+0x2a0/0x2a0 [ 339.081195] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.086775] ? bpf_test_init.isra.9+0x70/0x100 [ 339.091377] ? bpf_prog_test_run_skb+0x634/0xb40 [ 339.096141] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 339.101014] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 339.106556] ? fput+0x130/0x1a0 [ 339.109850] ? __bpf_prog_get+0x9b/0x290 [ 339.113909] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 339.118766] ? bpf_prog_test_run+0x130/0x1a0 [ 339.123182] ? __x64_sys_bpf+0x3d8/0x510 [ 339.127263] ? bpf_prog_get+0x20/0x20 [ 339.131088] ? do_syscall_64+0x1b9/0x820 [ 339.135149] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 339.140533] ? syscall_return_slowpath+0x5e0/0x5e0 [ 339.145463] ? trace_hardirqs_on_caller+0x310/0x310 [ 339.150498] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 339.155515] ? recalc_sigpending_tsk+0x180/0x180 [ 339.160277] ? kasan_check_write+0x14/0x20 [ 339.164517] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 339.169373] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 339.174760] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 339.174829] aoe: skb alloc failure [ 339.181519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.181525] Call Trace: [ 339.181547] dump_stack+0x1c4/0x2b6 [ 339.181570] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.185145] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 339.194506] warn_alloc.cold.119+0xb7/0x1bd [ 339.197061] syz-executor1 cpuset= [ 339.200696] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.205859] syz1 [ 339.216341] ? lock_downgrade+0x900/0x900 [ 339.220637] mems_allowed=0 [ 339.224085] ? trace_hardirqs_off+0xb8/0x310 [ 339.242312] ? trace_hardirqs_off+0xb8/0x310 [ 339.246731] __alloc_pages_slowpath+0x265e/0x2d70 [ 339.251610] ? warn_alloc+0x120/0x120 [ 339.255421] ? warn_alloc+0x120/0x120 [ 339.259234] ? print_usage_bug+0xc0/0xc0 [ 339.263294] ? warn_alloc+0x120/0x120 [ 339.267096] ? print_usage_bug+0xc0/0xc0 [ 339.271172] ? __lock_acquire+0x7ec/0x4ec0 [ 339.275407] ? __lock_acquire+0x7ec/0x4ec0 [ 339.279649] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.285191] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.290733] ? should_fail+0x22d/0xd01 [ 339.294628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.299731] ? __lock_acquire+0x7ec/0x4ec0 [ 339.303983] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.309102] ? __lock_acquire+0x7ec/0x4ec0 [ 339.313338] ? should_fail+0x22d/0xd01 [ 339.317238] ? mark_held_locks+0x130/0x130 [ 339.321482] ? mark_held_locks+0x130/0x130 [ 339.325734] ? mark_held_locks+0xc7/0x130 [ 339.329878] ? print_usage_bug+0xc0/0xc0 [ 339.333936] ? graph_lock+0x170/0x170 [ 339.337740] ? print_usage_bug+0xc0/0xc0 [ 339.341809] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.347350] ? check_preemption_disabled+0x48/0x280 [ 339.352364] ? check_preemption_disabled+0x48/0x280 [ 339.357393] ? __lock_is_held+0xb5/0x140 [ 339.361480] __alloc_pages_nodemask+0xa80/0xde0 [ 339.366163] ? graph_lock+0x170/0x170 [ 339.369976] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 339.375023] ? graph_lock+0x170/0x170 [ 339.378848] ? find_held_lock+0x36/0x1c0 [ 339.382918] ? ____cache_alloc_node+0x1c7/0x1e0 [ 339.387591] ? lock_downgrade+0x900/0x900 [ 339.391751] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.397294] cache_grow_begin+0x91/0x8c0 [ 339.401364] ? do_raw_spin_unlock+0xa7/0x330 [ 339.405794] fallback_alloc+0x203/0x2e0 [ 339.409789] ____cache_alloc_node+0x1c7/0x1e0 [ 339.414297] kmem_cache_alloc_node+0xe3/0x730 [ 339.418798] ? ipv6_get_ifaddr+0x42e/0x620 [ 339.423046] __alloc_skb+0x119/0x770 [ 339.426762] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.432043] ? skb_scrub_packet+0x490/0x490 [ 339.436364] ? lock_downgrade+0x900/0x900 [ 339.440520] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.446056] ? refcount_sub_and_test_checked+0x203/0x310 [ 339.451511] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 339.456962] ? addrconf_rs_timer+0x690/0x690 [ 339.461388] ndisc_alloc_skb+0x144/0x340 [ 339.465458] ndisc_send_rs+0x331/0x6e0 [ 339.469356] addrconf_rs_timer+0x314/0x690 [ 339.473600] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.477849] call_timer_fn+0x272/0x920 [ 339.481736] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.485974] ? process_timeout+0x40/0x40 [ 339.490033] ? find_held_lock+0x36/0x1c0 [ 339.494107] ? __run_timers+0x7da/0xc70 [ 339.498091] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.502585] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.507079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.511317] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 339.515904] ? trace_hardirqs_on+0xbd/0x310 [ 339.520232] ? kasan_check_read+0x11/0x20 [ 339.524382] ? __run_timers+0x7da/0xc70 [ 339.528365] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.533822] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.538066] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 339.542306] __run_timers+0x7e5/0xc70 [ 339.546123] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 339.551488] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.555980] ? _raw_spin_unlock_irq+0x27/0x80 [ 339.560482] ? lockdep_hardirqs_on+0x421/0x5c0 [ 339.565069] ? trace_hardirqs_on+0xbd/0x310 [ 339.569396] ? kasan_check_read+0x11/0x20 [ 339.573544] ? finish_task_switch+0x1f4/0x910 [ 339.578044] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 339.583496] ? compat_start_thread+0x80/0x80 [ 339.587905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.593459] ? pvclock_read_flags+0x160/0x160 [ 339.597967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.603509] ? check_preemption_disabled+0x48/0x280 [ 339.608533] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 339.614071] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 339.619351] ? rcu_pm_notify+0xc0/0xc0 [ 339.623243] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 339.628787] ? check_preemption_disabled+0x48/0x280 [ 339.633814] run_timer_softirq+0x52/0xb0 [ 339.637877] ? rcu_read_lock_sched_held+0x108/0x120 [ 339.642896] __do_softirq+0x30c/0xb03 [ 339.646710] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 339.651816] ? trace_hardirqs_off+0xb8/0x310 [ 339.656232] ? schedule+0x108/0x460 [ 339.659874] ? trace_hardirqs_off+0xb8/0x310 [ 339.664286] ? smpboot_thread_fn+0x68b/0xa00 [ 339.668698] ? trace_hardirqs_on+0x310/0x310 [ 339.673121] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.678669] ? check_preemption_disabled+0x48/0x280 [ 339.683692] ? takeover_tasklets+0xa90/0xa90 [ 339.688104] run_ksoftirqd+0x94/0x100 [ 339.691905] smpboot_thread_fn+0x68b/0xa00 [ 339.696144] ? sort_range+0x30/0x30 [ 339.699777] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 339.704881] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.710422] ? __kthread_parkme+0xfb/0x1a0 [ 339.714667] kthread+0x35a/0x420 [ 339.718037] ? sort_range+0x30/0x30 [ 339.721667] ? kthread_bind+0x40/0x40 [ 339.725485] ret_from_fork+0x3a/0x50 [ 339.729222] warn_alloc_show_mem: 1 callbacks suppressed [ 339.729234] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 339.729235] Mem-Info: [ 339.729266] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 339.729266] active_file:15 inactive_file:13 isolated_file:0 [ 339.729266] unevictable:0 dirty:0 writeback:0 unstable:0 [ 339.729266] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 339.729266] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 339.729266] free:13788 free_pcp:609 free_cma:0 [ 339.734606] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 339.741886] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 339.744285] Call Trace: [ 339.777161] Node 0 [ 339.786521] [ 339.814036] 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 [ 339.816602] dump_stack+0x1c4/0x2b6 [ 339.818803] lowmem_reserve[]: [ 339.820955] ? dump_stack_print_info.cold.1+0x20/0x20 [ 339.846429] 0 [ 339.850063] warn_alloc.cold.119+0xb7/0x1bd [ 339.853131] 2819 [ 339.858312] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 339.860104] 6323 [ 339.864419] ? lock_downgrade+0x900/0x900 [ 339.866461] 6323 [ 339.871300] ? trace_hardirqs_off+0xb8/0x310 [ 339.873338] Node 0 [ 339.877485] ? trace_hardirqs_off+0xb8/0x310 [ 339.879546] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 339.883927] __alloc_pages_slowpath+0x265e/0x2d70 [ 339.886134] lowmem_reserve[]: [ 339.890559] ? warn_alloc+0x120/0x120 [ 339.917412] 0 [ 339.922261] ? warn_alloc+0x120/0x120 [ 339.925326] 0 3503 [ 339.929194] ? print_usage_bug+0xc0/0xc0 [ 339.930974] 3503 [ 339.934767] ? warn_alloc+0x120/0x120 [ 339.941064] ? print_usage_bug+0xc0/0xc0 [ 339.943116] Node 0 [ 339.946906] ? mark_held_locks+0x130/0x130 [ 339.950976] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 339.953188] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 339.957396] lowmem_reserve[]: [ 339.985762] ? should_fail+0x22d/0xd01 [ 339.991277] 0 [ 339.994378] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 339.998238] 0 0 [ 340.000042] ? __lock_acquire+0x7ec/0x4ec0 [ 340.005114] 0 [ 340.007085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 340.013085] ? __lock_acquire+0x7ec/0x4ec0 [ 340.018176] Node 0 [ 340.022399] ? should_fail+0x22d/0xd01 [ 340.022409] DMA: [ 340.024643] ? mark_held_locks+0x130/0x130 [ 340.028503] 1*4kB [ 340.030562] ? mark_held_locks+0x130/0x130 [ 340.034768] (U) [ 340.036909] ? lock_downgrade+0x900/0x900 [ 340.041120] 0*8kB [ 340.043085] ? graph_lock+0x170/0x170 [ 340.047210] 0*16kB [ 340.049354] ? graph_lock+0x170/0x170 [ 340.053128] 1*32kB [ 340.055355] ? graph_lock+0x170/0x170 [ 340.059129] (U) [ 340.061357] ? print_usage_bug+0xc0/0xc0 [ 340.065137] 2*64kB [ 340.067108] ? do_raw_spin_unlock+0xa7/0x330 [ 340.071142] (U) [ 340.073382] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.077764] 1*128kB [ 340.079768] ? check_preemption_disabled+0x48/0x280 [ 340.085275] (U) [ 340.087591] ? check_preemption_disabled+0x48/0x280 [ 340.092583] 1*256kB [ 340.094558] ? __lock_is_held+0xb5/0x140 [ 340.099544] (U) [ 340.101863] __alloc_pages_nodemask+0xa80/0xde0 [ 340.105897] 0*512kB [ 340.107868] ? graph_lock+0x170/0x170 [ 340.112514] 1*1024kB [ 340.114828] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 340.118607] (U) [ 340.121008] ? graph_lock+0x170/0x170 [ 340.126018] 1*2048kB [ 340.127994] ? find_held_lock+0x36/0x1c0 [ 340.131759] (M) [ 340.134176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 340.138207] 3*4096kB [ 340.140184] ? lock_downgrade+0x900/0x900 [ 340.144826] (M) [ 340.147233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.151351] = 15908kB [ 340.153326] cache_grow_begin+0x91/0x8c0 [ 340.158844] Node 0 DMA32: [ 340.161263] ? do_raw_spin_unlock+0xa7/0x330 [ 340.165299] 5*4kB [ 340.168146] fallback_alloc+0x203/0x2e0 [ 340.172522] (UM) [ 340.174668] ____cache_alloc_node+0x1c7/0x1e0 [ 340.178613] 0*8kB [ 340.180676] kmem_cache_alloc_node+0xe3/0x730 [ 340.185146] 3*16kB [ 340.187304] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 340.191767] (UM) [ 340.194001] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 340.199079] 2*32kB [ 340.201138] __alloc_skb+0x119/0x770 [ 340.205693] (M) [ 340.207928] ? calc_wheel_index+0x220/0x220 [ 340.211611] 5*64kB (UM) [ 340.213593] ? skb_scrub_packet+0x490/0x490 [ 340.217888] 4*128kB [ 340.220557] ? vprintk_default+0x28/0x30 [ 340.224843] (UM) [ 340.227160] ? vprintk_func+0x85/0x181 [ 340.231207] 3*256kB [ 340.233261] ? printk+0xa7/0xcf [ 340.237125] (M) [ 340.239445] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 340.242701] 4*512kB [ 340.244680] new_skb+0x26/0x1c0 [ 340.249488] (UM) [ 340.251803] aoecmd_cfg+0x279/0x7f0 [ 340.255055] 3*1024kB [ 340.257112] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 340.260715] (UM) [ 340.263124] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.267419] 3*2048kB [ 340.269479] ? check_preemption_disabled+0x48/0x280 [ 340.274989] (M) [ 340.277398] ? check_preemption_disabled+0x48/0x280 [ 340.282385] 3*4096kB [ 340.284360] ? __lock_is_held+0xb5/0x140 [ 340.289427] (M) [ 340.291845] discover_timer+0x50/0x60 [ 340.295869] = 25284kB [ 340.297847] call_timer_fn+0x272/0x920 [ 340.301616] Node 0 [ 340.304022] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.307874] Normal: 888*4kB [ 340.310115] ? process_timeout+0x40/0x40 [ 340.314927] (UMEH) [ 340.317946] ? find_held_lock+0x36/0x1c0 [ 340.321972] 387*8kB (UME) [ 340.324215] ? __run_timers+0x7da/0xc70 [ 340.328247] 157*16kB [ 340.331086] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.335033] (UME) [ 340.337440] ? _raw_spin_unlock_irq+0x27/0x80 [ 340.341913] 53*32kB [ 340.344060] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.348528] (UMEH) [ 340.350857] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 340.355671] 26*64kB [ 340.357908] ? trace_hardirqs_on+0xbd/0x310 [ 340.362464] (UMH) [ 340.364781] ? kasan_check_read+0x11/0x20 [ 340.369077] 4*128kB [ 340.371219] ? __run_timers+0x7da/0xc70 [ 340.375356] (UMH) [ 340.377677] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 340.381624] 0*256kB [ 340.383777] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 340.389193] 0*512kB [ 340.391508] __run_timers+0x7e5/0xc70 [ 340.396322] 1*1024kB [ 340.398651] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 340.402415] (H) [ 340.404818] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 340.410154] 0*2048kB [ 340.412133] ? graph_lock+0x170/0x170 [ 340.417121] 0*4096kB [ 340.419522] ? enqueue_hrtimer+0x1a5/0x560 [ 340.423300] = 14056kB [ 340.425706] ? lock_release+0x970/0x970 [ 340.429921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 340.432317] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 340.436274] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 340.445108] ? find_held_lock+0x36/0x1c0 [ 340.450269] 147 total pagecache pages [ 340.458837] ? graph_lock+0x170/0x170 [ 340.462882] 0 pages in swap cache [ 340.466668] ? pvclock_read_flags+0x160/0x160 [ 340.470447] Swap cache stats: add 0, delete 0, find 0/0 [ 340.473886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.478353] Free swap = 0kB [ 340.483711] ? check_preemption_disabled+0x48/0x280 [ 340.489223] Total swap = 0kB [ 340.492245] ? __lock_is_held+0xb5/0x140 [ 340.497225] 1965979 pages RAM [ 340.500242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.504275] 0 pages HighMem/MovableOnly [ 340.507378] ? check_preemption_disabled+0x48/0x280 [ 340.512886] 342307 pages reserved [ 340.516855] run_timer_softirq+0x52/0xb0 [ 340.521841] 0 pages cma reserved [ 340.525320] ? rcu_read_lock_sched_held+0x108/0x120 [ 340.529452] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 340.532715] __do_softirq+0x30c/0xb03 [ 340.532746] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 340.537797] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 340.544223] ? pvclock_read_flags+0x160/0x160 [ 340.547996] ksoftirqd/0 cpuset= [ 340.553090] ? lapic_next_event+0x5a/0x90 [ 340.563382] / [ 340.567872] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.571127] mems_allowed=0 [ 340.575266] ? check_preemption_disabled+0x48/0x280 [ 340.591790] ? check_preemption_disabled+0x48/0x280 [ 340.596815] ? kvm_clock_read+0x18/0x30 [ 340.600793] ? kvm_sched_clock_read+0x9/0x20 [ 340.605210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.610748] ? check_preemption_disabled+0x48/0x280 [ 340.615776] irq_exit+0x17f/0x1c0 [ 340.619233] smp_apic_timer_interrupt+0x1cb/0x760 [ 340.624074] ? smp_reschedule_interrupt+0x109/0x650 [ 340.629092] ? smp_call_function_single_interrupt+0x650/0x650 [ 340.634982] ? interrupt_entry+0xb5/0xf0 [ 340.639046] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.644062] ? trace_hardirqs_off_caller+0xbb/0x310 [ 340.649080] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.653925] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.658953] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.663973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.669513] ? check_preemption_disabled+0x48/0x280 [ 340.674530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.680078] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.684933] apic_timer_interrupt+0xf/0x20 [ 340.689176] [ 340.691416] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 340.696346] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 340.715250] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 340.722968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 340.730237] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 340.737507] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 340.744774] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 340.752046] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 340.759361] skb_clone+0x1bb/0x500 [ 340.762905] ? finish_task_switch+0x1b4/0x910 [ 340.767402] ? skb_split+0x11e0/0x11e0 [ 340.771293] ? preempt_notifier_register+0x200/0x200 [ 340.776400] ? __switch_to_asm+0x34/0x70 [ 340.780461] ? __switch_to_asm+0x34/0x70 [ 340.784639] ? __switch_to_asm+0x40/0x70 [ 340.788700] ? __switch_to_asm+0x34/0x70 [ 340.792760] ? __switch_to_asm+0x40/0x70 [ 340.796816] ? __switch_to_asm+0x34/0x70 [ 340.800874] ? __switch_to_asm+0x40/0x70 [ 340.804931] ? __switch_to_asm+0x34/0x70 [ 340.809001] ? __switch_to_asm+0x34/0x70 [ 340.813059] ? __switch_to_asm+0x40/0x70 [ 340.817132] ? __switch_to_asm+0x34/0x70 [ 340.821210] bpf_clone_redirect+0xb9/0x490 [ 340.825451] ? __schedule+0x874/0x1ed0 [ 340.829346] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 340.834385] ? __sched_text_start+0x8/0x8 [ 340.838539] ? lockdep_hardirqs_on+0x421/0x5c0 [ 340.843120] ? retint_kernel+0x2d/0x2d [ 340.847008] ? trace_hardirqs_on_caller+0xc0/0x310 [ 340.851947] ? find_held_lock+0x36/0x1c0 [ 340.856017] ? lock_acquire+0x1ed/0x520 [ 340.859991] ? bpf_test_run+0x32e/0x5a0 [ 340.864055] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 340.869594] ? check_preemption_disabled+0x48/0x280 [ 340.874632] ? kasan_check_read+0x11/0x20 [ 340.878788] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 340.884064] ? rcu_bh_qs+0xc0/0xc0 [ 340.887607] ? preempt_schedule+0x4d/0x60 [ 340.891759] ? ___preempt_schedule+0x16/0x18 [ 340.896186] ? bpf_test_run+0x1c0/0x5a0 [ 340.900185] ? netlink_diag_dump+0x2a0/0x2a0 [ 340.904599] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 340.910137] ? bpf_test_init.isra.9+0x70/0x100 [ 340.915235] ? bpf_prog_test_run_skb+0x634/0xb40 [ 340.920004] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 340.924869] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 340.930409] ? fput+0x130/0x1a0 [ 340.933688] ? __bpf_prog_get+0x9b/0x290 [ 340.937754] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 340.942594] ? bpf_prog_test_run+0x130/0x1a0 [ 340.947007] ? __x64_sys_bpf+0x3d8/0x510 [ 340.951068] ? bpf_prog_get+0x20/0x20 [ 340.954893] ? do_syscall_64+0x1b9/0x820 [ 340.958961] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 340.964339] ? syscall_return_slowpath+0x5e0/0x5e0 [ 340.969277] ? trace_hardirqs_on_caller+0x310/0x310 [ 340.974294] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 340.979312] ? recalc_sigpending_tsk+0x180/0x180 [ 340.984078] ? kasan_check_write+0x14/0x20 [ 340.988321] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 340.993179] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 340.998567] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 340.998635] aoe: skb alloc failure [ 341.005326] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.005332] Call Trace: [ 341.005355] dump_stack+0x1c4/0x2b6 [ 341.005377] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.008927] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 341.018265] warn_alloc.cold.119+0xb7/0x1bd [ 341.020820] syz-executor1 cpuset= [ 341.024449] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.029609] syz1 [ 341.040095] ? lock_downgrade+0x900/0x900 [ 341.044392] mems_allowed=0 [ 341.047839] ? trace_hardirqs_off+0xb8/0x310 [ 341.066063] ? trace_hardirqs_off+0xb8/0x310 [ 341.070490] __alloc_pages_slowpath+0x265e/0x2d70 [ 341.075370] ? warn_alloc+0x120/0x120 [ 341.079186] ? warn_alloc+0x120/0x120 [ 341.082992] ? print_usage_bug+0xc0/0xc0 [ 341.087053] ? warn_alloc+0x120/0x120 [ 341.090860] ? print_usage_bug+0xc0/0xc0 [ 341.094927] ? __lock_acquire+0x7ec/0x4ec0 [ 341.099160] ? __lock_acquire+0x7ec/0x4ec0 [ 341.103411] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.108957] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.114520] ? should_fail+0x22d/0xd01 [ 341.118415] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.123524] ? __lock_acquire+0x7ec/0x4ec0 [ 341.127767] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.132869] ? __lock_acquire+0x7ec/0x4ec0 [ 341.137117] ? should_fail+0x22d/0xd01 [ 341.141021] ? mark_held_locks+0x130/0x130 [ 341.145265] ? mark_held_locks+0x130/0x130 [ 341.149503] ? graph_lock+0x170/0x170 [ 341.153308] ? print_usage_bug+0xc0/0xc0 [ 341.157372] ? graph_lock+0x170/0x170 [ 341.161182] ? print_usage_bug+0xc0/0xc0 [ 341.165249] ? wq_watchdog_touch+0x9c/0xfe [ 341.169489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.175028] ? check_preemption_disabled+0x48/0x280 [ 341.180044] ? check_preemption_disabled+0x48/0x280 [ 341.185072] ? __lock_is_held+0xb5/0x140 [ 341.189144] __alloc_pages_nodemask+0xa80/0xde0 [ 341.193823] ? graph_lock+0x170/0x170 [ 341.197631] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 341.202642] ? graph_lock+0x170/0x170 [ 341.206457] ? find_held_lock+0x36/0x1c0 [ 341.210533] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.215205] ? lock_downgrade+0x900/0x900 [ 341.219362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.224905] cache_grow_begin+0x91/0x8c0 [ 341.228967] ? do_raw_spin_unlock+0xa7/0x330 [ 341.233385] fallback_alloc+0x203/0x2e0 [ 341.237369] ____cache_alloc_node+0x1c7/0x1e0 [ 341.241873] kmem_cache_alloc_node+0xe3/0x730 [ 341.246397] ? ipv6_get_ifaddr+0x42e/0x620 [ 341.250651] __alloc_skb+0x119/0x770 [ 341.254367] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.259647] ? skb_scrub_packet+0x490/0x490 [ 341.263970] ? lock_downgrade+0x900/0x900 [ 341.268129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.273675] ? refcount_sub_and_test_checked+0x203/0x310 [ 341.279130] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 341.284591] ? addrconf_rs_timer+0x690/0x690 [ 341.289017] ndisc_alloc_skb+0x144/0x340 [ 341.293088] ndisc_send_rs+0x331/0x6e0 [ 341.296987] addrconf_rs_timer+0x314/0x690 [ 341.301229] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.305484] call_timer_fn+0x272/0x920 [ 341.309383] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.313623] ? process_timeout+0x40/0x40 [ 341.317683] ? find_held_lock+0x36/0x1c0 [ 341.321753] ? __run_timers+0x7da/0xc70 [ 341.325734] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.330233] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.334729] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.338968] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 341.343554] ? trace_hardirqs_on+0xbd/0x310 [ 341.347877] ? kasan_check_read+0x11/0x20 [ 341.352029] ? __run_timers+0x7da/0xc70 [ 341.356004] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.361467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.365709] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 341.369943] __run_timers+0x7e5/0xc70 [ 341.373763] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 341.379128] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.383624] ? _raw_spin_unlock_irq+0x27/0x80 [ 341.388123] ? lockdep_hardirqs_on+0x421/0x5c0 [ 341.392706] ? trace_hardirqs_on+0xbd/0x310 [ 341.397027] ? kasan_check_read+0x11/0x20 [ 341.401184] ? finish_task_switch+0x1f4/0x910 [ 341.405684] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 341.411137] ? compat_start_thread+0x80/0x80 [ 341.415554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.421122] ? pvclock_read_flags+0x160/0x160 [ 341.425616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.431153] ? check_preemption_disabled+0x48/0x280 [ 341.436196] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 341.441734] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 341.447015] ? rcu_pm_notify+0xc0/0xc0 [ 341.450905] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.456450] ? check_preemption_disabled+0x48/0x280 [ 341.461482] run_timer_softirq+0x52/0xb0 [ 341.465545] ? rcu_read_lock_sched_held+0x108/0x120 [ 341.470563] __do_softirq+0x30c/0xb03 [ 341.474385] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 341.479496] ? trace_hardirqs_off+0xb8/0x310 [ 341.483916] ? schedule+0x108/0x460 [ 341.487557] ? trace_hardirqs_off+0xb8/0x310 [ 341.491965] ? smpboot_thread_fn+0x68b/0xa00 [ 341.496375] ? trace_hardirqs_on+0x310/0x310 [ 341.500787] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.506335] ? check_preemption_disabled+0x48/0x280 [ 341.511357] ? takeover_tasklets+0xa90/0xa90 [ 341.515768] run_ksoftirqd+0x94/0x100 [ 341.519570] smpboot_thread_fn+0x68b/0xa00 [ 341.523806] ? sort_range+0x30/0x30 [ 341.527433] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 341.532540] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.538076] ? __kthread_parkme+0xfb/0x1a0 [ 341.542316] kthread+0x35a/0x420 [ 341.545680] ? sort_range+0x30/0x30 [ 341.549306] ? kthread_bind+0x40/0x40 [ 341.553112] ret_from_fork+0x3a/0x50 [ 341.556844] warn_alloc_show_mem: 1 callbacks suppressed [ 341.556856] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 341.556857] Mem-Info: [ 341.556890] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 341.556890] active_file:15 inactive_file:13 isolated_file:0 [ 341.556890] unevictable:0 dirty:0 writeback:0 unstable:0 [ 341.556890] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 341.556890] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 341.556890] free:13788 free_pcp:609 free_cma:0 [ 341.562224] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 341.569499] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 341.571896] Call Trace: [ 341.604771] Node 0 [ 341.614122] [ 341.641625] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 341.644195] dump_stack+0x1c4/0x2b6 [ 341.646403] lowmem_reserve[]: [ 341.648552] ? dump_stack_print_info.cold.1+0x20/0x20 [ 341.674024] 0 2819 [ 341.677668] warn_alloc.cold.119+0xb7/0x1bd [ 341.680736] 6323 [ 341.685926] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 341.688135] 6323 [ 341.692460] ? lock_downgrade+0x900/0x900 [ 341.699335] ? trace_hardirqs_off+0xb8/0x310 [ 341.701372] Node 0 [ 341.705516] ? trace_hardirqs_off+0xb8/0x310 [ 341.709921] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 341.712136] __alloc_pages_slowpath+0x265e/0x2d70 [ 341.716510] lowmem_reserve[]: [ 341.743427] ? warn_alloc+0x120/0x120 [ 341.748221] 0 [ 341.751325] ? warn_alloc+0x120/0x120 [ 341.755090] 0 3503 [ 341.756899] ? print_usage_bug+0xc0/0xc0 [ 341.760679] 3503 [ 341.762919] ? warn_alloc+0x120/0x120 [ 341.766952] Node 0 [ 341.769011] ? print_usage_bug+0xc0/0xc0 [ 341.772809] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 341.775009] ? mark_held_locks+0x130/0x130 [ 341.779044] lowmem_reserve[]: [ 341.807417] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 341.811623] 0 0 [ 341.814731] ? should_fail+0x22d/0xd01 [ 341.820238] 0 0 [ 341.822218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.828051] ? __lock_acquire+0x7ec/0x4ec0 [ 341.833128] Node 0 DMA: [ 341.837354] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 341.837369] ? __lock_acquire+0x7ec/0x4ec0 [ 341.840022] 1*4kB [ 341.845121] ? should_fail+0x22d/0xd01 [ 341.849329] (U) [ 341.851480] ? mark_held_locks+0x130/0x130 [ 341.855336] 0*8kB 0*16kB [ 341.857314] ? mark_held_locks+0x130/0x130 [ 341.861524] 1*32kB [ 341.864274] ? lock_downgrade+0x900/0x900 [ 341.868486] (U) [ 341.870718] ? graph_lock+0x170/0x170 [ 341.874842] 2*64kB [ 341.876808] ? graph_lock+0x170/0x170 [ 341.880588] (U) [ 341.882819] ? graph_lock+0x170/0x170 [ 341.886594] 1*128kB (U) [ 341.888577] ? print_usage_bug+0xc0/0xc0 [ 341.892372] 1*256kB [ 341.895047] ? do_raw_spin_unlock+0xa7/0x330 [ 341.899077] (U) [ 341.901397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.905776] 0*512kB [ 341.907746] ? check_preemption_disabled+0x48/0x280 [ 341.913259] 1*1024kB [ 341.916086] ? check_preemption_disabled+0x48/0x280 [ 341.921080] (U) [ 341.923495] ? __lock_is_held+0xb5/0x140 [ 341.928477] 1*2048kB [ 341.930447] __alloc_pages_nodemask+0xa80/0xde0 [ 341.934490] (M) [ 341.936891] ? graph_lock+0x170/0x170 [ 341.941538] 3*4096kB [ 341.943506] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 341.947281] (M) [ 341.949684] ? graph_lock+0x170/0x170 [ 341.954679] = 15908kB [ 341.956652] ? find_held_lock+0x36/0x1c0 [ 341.960418] Node 0 [ 341.962829] ? ____cache_alloc_node+0x1c7/0x1e0 [ 341.966857] DMA32: [ 341.969087] ? lock_downgrade+0x900/0x900 [ 341.973729] 5*4kB [ 341.975968] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 341.980082] (UM) [ 341.982227] cache_grow_begin+0x91/0x8c0 [ 341.987744] 0*8kB [ 341.989799] ? do_raw_spin_unlock+0xa7/0x330 [ 341.993835] 3*16kB [ 341.995984] fallback_alloc+0x203/0x2e0 [ 342.000365] (UM) [ 342.002597] ____cache_alloc_node+0x1c7/0x1e0 [ 342.006545] 2*32kB [ 342.008606] kmem_cache_alloc_node+0xe3/0x730 [ 342.013079] (M) [ 342.015324] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 342.019797] 5*64kB [ 342.021775] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 342.026849] (UM) [ 342.029084] __alloc_skb+0x119/0x770 [ 342.033635] 4*128kB [ 342.035690] ? calc_wheel_index+0x220/0x220 [ 342.039370] (UM) 3*256kB [ 342.041695] ? skb_scrub_packet+0x490/0x490 [ 342.045994] (M) [ 342.048755] ? vprintk_default+0x28/0x30 [ 342.053042] 4*512kB [ 342.055007] ? vprintk_func+0x85/0x181 [ 342.059051] (UM) [ 342.061366] ? printk+0xa7/0xcf [ 342.065238] 3*1024kB [ 342.067299] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 342.070552] (UM) [ 342.072972] new_skb+0x26/0x1c0 [ 342.077697] 3*2048kB [ 342.079758] aoecmd_cfg+0x279/0x7f0 [ 342.083012] (M) [ 342.085422] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 342.089019] 3*4096kB [ 342.090989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.095279] (M) [ 342.097684] ? check_preemption_disabled+0x48/0x280 [ 342.103199] = 25284kB [ 342.105180] ? check_preemption_disabled+0x48/0x280 [ 342.110178] Node 0 [ 342.112592] ? __lock_is_held+0xb5/0x140 [ 342.117572] Normal: [ 342.119810] discover_timer+0x50/0x60 [ 342.123834] 888*4kB [ 342.126155] call_timer_fn+0x272/0x920 [ 342.129937] (UMEH) [ 342.132257] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.136115] 387*8kB [ 342.138346] ? process_timeout+0x40/0x40 [ 342.143161] (UME) [ 342.145483] ? find_held_lock+0x36/0x1c0 [ 342.149522] 157*16kB [ 342.151671] ? __run_timers+0x7da/0xc70 [ 342.155699] (UME) [ 342.158107] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.162056] 53*32kB [ 342.164200] ? _raw_spin_unlock_irq+0x27/0x80 [ 342.168672] (UMEH) [ 342.170998] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.175469] 26*64kB [ 342.177700] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 342.182512] (UMH) [ 342.184830] ? trace_hardirqs_on+0xbd/0x310 [ 342.189381] 4*128kB (UMH) [ 342.191534] ? kasan_check_read+0x11/0x20 [ 342.195828] 0*256kB [ 342.198665] ? __run_timers+0x7da/0xc70 [ 342.202786] 0*512kB [ 342.205107] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 342.209048] 1*1024kB (H) [ 342.211386] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 342.216801] 0*2048kB [ 342.219552] __run_timers+0x7e5/0xc70 [ 342.224367] 0*4096kB [ 342.226777] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 342.230540] = 14056kB [ 342.232952] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 342.238296] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 342.240693] ? graph_lock+0x170/0x170 [ 342.245689] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 342.254508] ? enqueue_hrtimer+0x1a5/0x560 [ 342.258286] 147 total pagecache pages [ 342.266853] ? lock_release+0x970/0x970 [ 342.271067] 0 pages in swap cache [ 342.274857] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 342.278806] Swap cache stats: add 0, delete 0, find 0/0 [ 342.282251] ? find_held_lock+0x36/0x1c0 [ 342.287411] Free swap = 0kB [ 342.293460] ? graph_lock+0x170/0x170 [ 342.297500] Total swap = 0kB [ 342.300515] ? pvclock_read_flags+0x160/0x160 [ 342.304288] 1965979 pages RAM [ 342.307301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.311769] 0 pages HighMem/MovableOnly [ 342.314866] ? check_preemption_disabled+0x48/0x280 [ 342.320374] 342307 pages reserved [ 342.324346] ? __lock_is_held+0xb5/0x140 [ 342.329329] 0 pages cma reserved [ 342.332776] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.336882] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 342.340175] ? check_preemption_disabled+0x48/0x280 [ 342.345853] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.352177] run_timer_softirq+0x52/0xb0 [ 342.357163] ksoftirqd/0 cpuset= [ 342.367476] ? rcu_read_lock_sched_held+0x108/0x120 [ 342.371512] / [ 342.374783] __do_softirq+0x30c/0xb03 [ 342.374809] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 342.379794] mems_allowed=0 [ 342.381504] ? pvclock_read_flags+0x160/0x160 [ 342.397772] ? lapic_next_event+0x5a/0x90 [ 342.401921] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.407467] ? check_preemption_disabled+0x48/0x280 [ 342.412484] ? check_preemption_disabled+0x48/0x280 [ 342.417506] ? kvm_clock_read+0x18/0x30 [ 342.421485] ? kvm_sched_clock_read+0x9/0x20 [ 342.425896] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.431437] ? check_preemption_disabled+0x48/0x280 [ 342.436466] irq_exit+0x17f/0x1c0 [ 342.439923] smp_apic_timer_interrupt+0x1cb/0x760 [ 342.444768] ? smp_reschedule_interrupt+0x109/0x650 [ 342.449786] ? smp_call_function_single_interrupt+0x650/0x650 [ 342.455673] ? interrupt_entry+0xb5/0xf0 [ 342.459740] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.464756] ? trace_hardirqs_off_caller+0xbb/0x310 [ 342.469796] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.474642] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.479659] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.484677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.490215] ? check_preemption_disabled+0x48/0x280 [ 342.495229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.500777] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.505629] apic_timer_interrupt+0xf/0x20 [ 342.509860] [ 342.512102] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 342.517035] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 342.535941] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 342.543651] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 342.550922] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 342.558193] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 342.565458] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 342.572725] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 342.580037] skb_clone+0x1bb/0x500 [ 342.583577] ? finish_task_switch+0x1b4/0x910 [ 342.588073] ? skb_split+0x11e0/0x11e0 [ 342.591969] ? preempt_notifier_register+0x200/0x200 [ 342.597071] ? __switch_to_asm+0x34/0x70 [ 342.601131] ? __switch_to_asm+0x34/0x70 [ 342.605197] ? __switch_to_asm+0x40/0x70 [ 342.609258] ? __switch_to_asm+0x34/0x70 [ 342.613314] ? __switch_to_asm+0x40/0x70 [ 342.617370] ? __switch_to_asm+0x34/0x70 [ 342.621430] ? __switch_to_asm+0x40/0x70 [ 342.625492] ? __switch_to_asm+0x34/0x70 [ 342.629553] ? __switch_to_asm+0x34/0x70 [ 342.633615] ? __switch_to_asm+0x40/0x70 [ 342.637673] ? __switch_to_asm+0x34/0x70 [ 342.641747] bpf_clone_redirect+0xb9/0x490 [ 342.645990] ? __schedule+0x874/0x1ed0 [ 342.649888] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 342.654906] ? __sched_text_start+0x8/0x8 [ 342.659060] ? lockdep_hardirqs_on+0x421/0x5c0 [ 342.663642] ? retint_kernel+0x2d/0x2d [ 342.667532] ? trace_hardirqs_on_caller+0xc0/0x310 [ 342.672469] ? find_held_lock+0x36/0x1c0 [ 342.676539] ? lock_acquire+0x1ed/0x520 [ 342.680684] ? bpf_test_run+0x32e/0x5a0 [ 342.684663] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.690209] ? check_preemption_disabled+0x48/0x280 [ 342.695237] ? kasan_check_read+0x11/0x20 [ 342.699388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 342.704666] ? rcu_bh_qs+0xc0/0xc0 [ 342.708207] ? preempt_schedule+0x4d/0x60 [ 342.712356] ? ___preempt_schedule+0x16/0x18 [ 342.716771] ? bpf_test_run+0x1c0/0x5a0 [ 342.720759] ? netlink_diag_dump+0x2a0/0x2a0 [ 342.725181] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.730719] ? bpf_test_init.isra.9+0x70/0x100 [ 342.735307] ? bpf_prog_test_run_skb+0x634/0xb40 [ 342.740073] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 342.744914] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 342.750452] ? fput+0x130/0x1a0 [ 342.753733] ? __bpf_prog_get+0x9b/0x290 [ 342.757795] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 342.762638] ? bpf_prog_test_run+0x130/0x1a0 [ 342.767053] ? __x64_sys_bpf+0x3d8/0x510 [ 342.771117] ? bpf_prog_get+0x20/0x20 [ 342.774944] ? do_syscall_64+0x1b9/0x820 [ 342.779010] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 342.784490] ? syscall_return_slowpath+0x5e0/0x5e0 [ 342.789425] ? trace_hardirqs_on_caller+0x310/0x310 [ 342.794442] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 342.799463] ? recalc_sigpending_tsk+0x180/0x180 [ 342.804221] ? kasan_check_write+0x14/0x20 [ 342.808464] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 342.813321] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 342.818706] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 342.818774] aoe: skb alloc failure [ 342.825462] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 342.825468] Call Trace: [ 342.825490] dump_stack+0x1c4/0x2b6 [ 342.825512] ? dump_stack_print_info.cold.1+0x20/0x20 [ 342.829059] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 342.838393] warn_alloc.cold.119+0xb7/0x1bd [ 342.840952] syz-executor1 cpuset= [ 342.844574] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 342.849745] syz1 [ 342.860242] ? lock_downgrade+0x900/0x900 [ 342.864543] mems_allowed=0 [ 342.867998] ? trace_hardirqs_off+0xb8/0x310 [ 342.886226] ? trace_hardirqs_off+0xb8/0x310 [ 342.890646] __alloc_pages_slowpath+0x265e/0x2d70 [ 342.895699] ? warn_alloc+0x120/0x120 [ 342.899519] ? warn_alloc+0x120/0x120 [ 342.903323] ? print_usage_bug+0xc0/0xc0 [ 342.907407] ? warn_alloc+0x120/0x120 [ 342.911243] ? print_usage_bug+0xc0/0xc0 [ 342.915536] ? __lock_acquire+0x7ec/0x4ec0 [ 342.919772] ? __lock_acquire+0x7ec/0x4ec0 [ 342.924010] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 342.929549] ? should_fail+0x22d/0xd01 [ 342.933445] ? __lock_acquire+0x7ec/0x4ec0 [ 342.937686] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.942792] ? __lock_acquire+0x7ec/0x4ec0 [ 342.947035] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 342.952139] ? __lock_acquire+0x7ec/0x4ec0 [ 342.956406] ? should_fail+0x22d/0xd01 [ 342.960316] ? mark_held_locks+0x130/0x130 [ 342.964555] ? mark_held_locks+0x130/0x130 [ 342.968798] ? mark_held_locks+0xc7/0x130 [ 342.972943] ? print_usage_bug+0xc0/0xc0 [ 342.977007] ? graph_lock+0x170/0x170 [ 342.980806] ? print_usage_bug+0xc0/0xc0 [ 342.984868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 342.990411] ? check_preemption_disabled+0x48/0x280 [ 342.995442] ? check_preemption_disabled+0x48/0x280 [ 343.000472] ? __lock_is_held+0xb5/0x140 [ 343.004582] __alloc_pages_nodemask+0xa80/0xde0 [ 343.009319] ? graph_lock+0x170/0x170 [ 343.013151] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 343.018180] ? graph_lock+0x170/0x170 [ 343.022005] ? find_held_lock+0x36/0x1c0 [ 343.026074] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.030747] ? lock_downgrade+0x900/0x900 [ 343.034903] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.040464] cache_grow_begin+0x91/0x8c0 [ 343.044531] ? do_raw_spin_unlock+0xa7/0x330 [ 343.048947] fallback_alloc+0x203/0x2e0 [ 343.052943] ____cache_alloc_node+0x1c7/0x1e0 [ 343.057452] kmem_cache_alloc_node+0xe3/0x730 [ 343.061953] ? ipv6_get_ifaddr+0x42e/0x620 [ 343.066205] __alloc_skb+0x119/0x770 [ 343.069919] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 343.075204] ? skb_scrub_packet+0x490/0x490 [ 343.079528] ? lock_downgrade+0x900/0x900 [ 343.083686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.089242] ? refcount_sub_and_test_checked+0x203/0x310 [ 343.094710] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 343.100163] ? addrconf_rs_timer+0x690/0x690 [ 343.104594] ndisc_alloc_skb+0x144/0x340 [ 343.108661] ndisc_send_rs+0x331/0x6e0 [ 343.112554] addrconf_rs_timer+0x314/0x690 [ 343.116796] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.121059] call_timer_fn+0x272/0x920 [ 343.124944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.129190] ? process_timeout+0x40/0x40 [ 343.133252] ? find_held_lock+0x36/0x1c0 [ 343.137323] ? __run_timers+0x7da/0xc70 [ 343.141303] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.145802] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.150303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.154540] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 343.159124] ? trace_hardirqs_on+0xbd/0x310 [ 343.163454] ? kasan_check_read+0x11/0x20 [ 343.167605] ? __run_timers+0x7da/0xc70 [ 343.171588] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.177058] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 343.181293] __run_timers+0x7e5/0xc70 [ 343.185107] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 343.190476] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.194973] ? _raw_spin_unlock_irq+0x27/0x80 [ 343.199471] ? lockdep_hardirqs_on+0x421/0x5c0 [ 343.204058] ? trace_hardirqs_on+0xbd/0x310 [ 343.208384] ? kasan_check_read+0x11/0x20 [ 343.212570] ? finish_task_switch+0x1f4/0x910 [ 343.217067] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 343.222516] ? compat_start_thread+0x80/0x80 [ 343.227013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.232563] ? pvclock_read_flags+0x160/0x160 [ 343.237066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.242607] ? check_preemption_disabled+0x48/0x280 [ 343.247634] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 343.253180] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 343.258465] ? rcu_pm_notify+0xc0/0xc0 [ 343.262356] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.267902] ? check_preemption_disabled+0x48/0x280 [ 343.272927] run_timer_softirq+0x52/0xb0 [ 343.276986] ? rcu_read_lock_sched_held+0x108/0x120 [ 343.282005] __do_softirq+0x30c/0xb03 [ 343.285827] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 343.290931] ? trace_hardirqs_off+0xb8/0x310 [ 343.295348] ? schedule+0x108/0x460 [ 343.298986] ? trace_hardirqs_off+0xb8/0x310 [ 343.303397] ? smpboot_thread_fn+0x68b/0xa00 [ 343.307805] ? trace_hardirqs_on+0x310/0x310 [ 343.312216] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.317753] ? check_preemption_disabled+0x48/0x280 [ 343.322774] ? takeover_tasklets+0xa90/0xa90 [ 343.327205] run_ksoftirqd+0x94/0x100 [ 343.331007] smpboot_thread_fn+0x68b/0xa00 [ 343.335248] ? sort_range+0x30/0x30 [ 343.338879] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 343.343984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.349521] ? __kthread_parkme+0xfb/0x1a0 [ 343.353760] kthread+0x35a/0x420 [ 343.357122] ? sort_range+0x30/0x30 [ 343.360743] ? kthread_bind+0x40/0x40 [ 343.364551] ret_from_fork+0x3a/0x50 [ 343.368283] warn_alloc_show_mem: 1 callbacks suppressed [ 343.368295] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 343.368297] Mem-Info: [ 343.368328] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 343.368328] active_file:15 inactive_file:13 isolated_file:0 [ 343.368328] unevictable:0 dirty:0 writeback:0 unstable:0 [ 343.368328] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 343.368328] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 343.368328] free:13788 free_pcp:609 free_cma:0 [ 343.373692] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 343.380967] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 343.380975] Node 0 [ 343.383394] Call Trace: [ 343.416332] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 343.425656] [ 343.453174] lowmem_reserve[]: [ 343.455431] dump_stack+0x1c4/0x2b6 [ 343.458006] 0 [ 343.483508] ? dump_stack_print_info.cold.1+0x20/0x20 [ 343.485623] 2819 [ 343.488730] warn_alloc.cold.119+0xb7/0x1bd [ 343.492323] 6323 [ 343.494118] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 343.499274] 6323 [ 343.501339] ? lock_downgrade+0x900/0x900 [ 343.505636] Node 0 [ 343.507696] ? trace_hardirqs_off+0xb8/0x310 [ 343.512534] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 343.514565] ? trace_hardirqs_off+0xb8/0x310 [ 343.518685] lowmem_reserve[]: [ 343.520925] __alloc_pages_slowpath+0x265e/0x2d70 [ 343.525306] 0 [ 343.552222] ? warn_alloc+0x120/0x120 [ 343.556582] 0 [ 343.559680] ? warn_alloc+0x120/0x120 [ 343.564497] 3503 [ 343.566295] ? print_usage_bug+0xc0/0xc0 [ 343.570066] 3503 [ 343.571871] ? warn_alloc+0x120/0x120 [ 343.575647] Node 0 [ 343.577700] ? print_usage_bug+0xc0/0xc0 [ 343.581759] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 343.583792] ? mark_held_locks+0x130/0x130 [ 343.587570] lowmem_reserve[]: [ 343.589806] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 343.593836] 0 0 [ 343.622379] ? should_fail+0x22d/0xd01 [ 343.626585] 0 [ 343.629683] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.635196] 0 [ 343.637179] ? __lock_acquire+0x7ec/0x4ec0 [ 343.642835] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 343.647912] Node 0 [ 343.649706] ? __lock_acquire+0x7ec/0x4ec0 [ 343.653941] DMA: 1*4kB [ 343.659044] ? should_fail+0x22d/0xd01 [ 343.661256] (U) [ 343.665491] ? mark_held_locks+0x130/0x130 [ 343.668052] 0*8kB [ 343.671931] ? mark_held_locks+0x130/0x130 [ 343.673882] 0*16kB [ 343.678108] ? lock_downgrade+0x900/0x900 [ 343.680236] 1*32kB [ 343.684458] ? graph_lock+0x170/0x170 [ 343.686674] (U) [ 343.690827] ? graph_lock+0x170/0x170 [ 343.693044] 2*64kB [ 343.696836] ? graph_lock+0x170/0x170 [ 343.698788] (U) [ 343.702582] ? print_usage_bug+0xc0/0xc0 [ 343.704794] 1*128kB [ 343.708585] ? do_raw_spin_unlock+0xa7/0x330 [ 343.710536] (U) [ 343.714591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.716888] 1*256kB [ 343.721290] ? check_preemption_disabled+0x48/0x280 [ 343.723240] (U) [ 343.728784] ? check_preemption_disabled+0x48/0x280 [ 343.731082] 0*512kB [ 343.736097] ? __lock_is_held+0xb5/0x140 [ 343.738042] 1*1024kB [ 343.743064] __alloc_pages_nodemask+0xa80/0xde0 [ 343.745361] (U) [ 343.749416] ? graph_lock+0x170/0x170 [ 343.751841] 1*2048kB [ 343.756501] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 343.758454] (M) [ 343.762246] ? graph_lock+0x170/0x170 [ 343.764637] 3*4096kB [ 343.769648] ? find_held_lock+0x36/0x1c0 [ 343.771586] (M) = 15908kB [ 343.775412] ? ____cache_alloc_node+0x1c7/0x1e0 [ 343.777796] Node 0 [ 343.781847] ? lock_downgrade+0x900/0x900 [ 343.784576] DMA32: 5*4kB [ 343.789249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.791461] (UM) [ 343.795618] cache_grow_begin+0x91/0x8c0 [ 343.798350] 0*8kB [ 343.803877] ? do_raw_spin_unlock+0xa7/0x330 [ 343.805912] 3*16kB [ 343.809971] fallback_alloc+0x203/0x2e0 [ 343.812093] (UM) [ 343.816499] ____cache_alloc_node+0x1c7/0x1e0 [ 343.818710] 2*32kB [ 343.822681] kmem_cache_alloc_node+0xe3/0x730 [ 343.824715] (M) [ 343.829220] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 343.831430] 5*64kB [ 343.835966] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 343.837911] (UM) [ 343.843026] __alloc_skb+0x119/0x770 [ 343.845238] 4*128kB [ 343.849813] ? calc_wheel_index+0x220/0x220 [ 343.851848] (UM) [ 343.855567] ? skb_scrub_packet+0x490/0x490 [ 343.857870] 3*256kB [ 343.862196] ? vprintk_default+0x28/0x30 [ 343.864227] (M) [ 343.868538] ? vprintk_func+0x85/0x181 [ 343.870839] 4*512kB [ 343.874893] ? printk+0xa7/0xcf [ 343.876843] (UM) [ 343.880722] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 343.883020] 3*1024kB [ 343.886297] new_skb+0x26/0x1c0 [ 343.888328] (UM) [ 343.893072] aoecmd_cfg+0x279/0x7f0 [ 343.895467] 3*2048kB [ 343.898740] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 343.900770] (M) 3*4096kB [ 343.904397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 343.906783] (M) [ 343.911102] ? check_preemption_disabled+0x48/0x280 [ 343.913825] = 25284kB [ 343.913829] Node 0 Normal: 888*4kB (UMEH) 387*8kB (UME) 157*16kB (UME) 53*32kB (UMEH) 26*64kB (UMH) 4*128kB (UMH) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14056kB [ 343.913891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 343.913897] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 343.913900] 147 total pagecache pages [ 343.913910] 0 pages in swap cache [ 343.913914] Swap cache stats: add 0, delete 0, find 0/0 [ 343.913917] Free swap = 0kB [ 343.913920] Total swap = 0kB [ 343.913924] 1965979 pages RAM [ 343.913927] 0 pages HighMem/MovableOnly [ 343.913929] 342307 pages reserved [ 343.913932] 0 pages cma reserved [ 343.914025] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 343.919508] ? check_preemption_disabled+0x48/0x280 [ 343.919534] ? __lock_is_held+0xb5/0x140 [ 343.921572] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 343.926504] discover_timer+0x50/0x60 [ 343.928882] ksoftirqd/0 cpuset= [ 343.944224] call_timer_fn+0x272/0x920 [ 343.953029] / [ 343.961597] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 343.965369] mems_allowed=0 [ 343.968811] ? process_timeout+0x40/0x40 [ 344.044254] ? find_held_lock+0x36/0x1c0 [ 344.048331] ? __run_timers+0x7da/0xc70 [ 344.052311] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.056807] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.061303] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 344.066150] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 344.070741] ? trace_hardirqs_on+0xbd/0x310 [ 344.075064] ? kasan_check_read+0x11/0x20 [ 344.079216] ? __run_timers+0x7da/0xc70 [ 344.083290] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.088760] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 344.093603] __run_timers+0x7e5/0xc70 [ 344.097431] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 344.102796] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 344.107816] ? graph_lock+0x170/0x170 [ 344.111634] ? enqueue_hrtimer+0x1a5/0x560 [ 344.115879] ? lock_release+0x970/0x970 [ 344.119851] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 344.125050] ? find_held_lock+0x36/0x1c0 [ 344.129135] ? graph_lock+0x170/0x170 [ 344.132947] ? pvclock_read_flags+0x160/0x160 [ 344.137442] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.142981] ? check_preemption_disabled+0x48/0x280 [ 344.148012] ? __lock_is_held+0xb5/0x140 [ 344.152075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.157617] ? check_preemption_disabled+0x48/0x280 [ 344.162657] run_timer_softirq+0x52/0xb0 [ 344.166716] ? rcu_read_lock_sched_held+0x108/0x120 [ 344.171735] __do_softirq+0x30c/0xb03 [ 344.175552] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 344.180660] ? pvclock_read_flags+0x160/0x160 [ 344.185155] ? lapic_next_event+0x5a/0x90 [ 344.189314] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.194850] ? check_preemption_disabled+0x48/0x280 [ 344.199866] ? check_preemption_disabled+0x48/0x280 [ 344.204891] ? kvm_clock_read+0x18/0x30 [ 344.208876] ? kvm_sched_clock_read+0x9/0x20 [ 344.213281] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.218817] ? check_preemption_disabled+0x48/0x280 [ 344.223847] irq_exit+0x17f/0x1c0 [ 344.227302] smp_apic_timer_interrupt+0x1cb/0x760 [ 344.232144] ? smp_reschedule_interrupt+0x109/0x650 [ 344.237192] ? smp_call_function_single_interrupt+0x650/0x650 [ 344.243076] ? interrupt_entry+0xb5/0xf0 [ 344.247136] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.252157] ? trace_hardirqs_off_caller+0xbb/0x310 [ 344.257201] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.262046] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.267062] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.272078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.277617] ? check_preemption_disabled+0x48/0x280 [ 344.282630] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.288186] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.293044] apic_timer_interrupt+0xf/0x20 [ 344.297276] [ 344.299513] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 344.304447] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 344.323349] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 344.331057] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 344.338324] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 344.345593] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 344.352860] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 344.360125] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 344.367432] skb_clone+0x1bb/0x500 [ 344.371076] ? finish_task_switch+0x1b4/0x910 [ 344.375572] ? skb_split+0x11e0/0x11e0 [ 344.379464] ? preempt_notifier_register+0x200/0x200 [ 344.384568] ? __switch_to_asm+0x34/0x70 [ 344.388627] ? __switch_to_asm+0x34/0x70 [ 344.392684] ? __switch_to_asm+0x40/0x70 [ 344.396745] ? __switch_to_asm+0x34/0x70 [ 344.400801] ? __switch_to_asm+0x40/0x70 [ 344.404861] ? __switch_to_asm+0x34/0x70 [ 344.408920] ? __switch_to_asm+0x40/0x70 [ 344.412978] ? __switch_to_asm+0x34/0x70 [ 344.417050] ? __switch_to_asm+0x34/0x70 [ 344.421105] ? __switch_to_asm+0x40/0x70 [ 344.425172] ? __switch_to_asm+0x34/0x70 [ 344.429242] bpf_clone_redirect+0xb9/0x490 [ 344.433483] ? __schedule+0x874/0x1ed0 [ 344.437377] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 344.442398] ? __sched_text_start+0x8/0x8 [ 344.446551] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.451134] ? retint_kernel+0x2d/0x2d [ 344.455029] ? trace_hardirqs_on_caller+0xc0/0x310 [ 344.459968] ? find_held_lock+0x36/0x1c0 [ 344.464038] ? lock_acquire+0x1ed/0x520 [ 344.468007] ? bpf_test_run+0x32e/0x5a0 [ 344.471979] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.477573] ? check_preemption_disabled+0x48/0x280 [ 344.482596] ? kasan_check_read+0x11/0x20 [ 344.486745] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.492022] ? rcu_bh_qs+0xc0/0xc0 [ 344.495570] ? preempt_schedule+0x4d/0x60 [ 344.499719] ? ___preempt_schedule+0x16/0x18 [ 344.504133] ? bpf_test_run+0x1c0/0x5a0 [ 344.508158] ? netlink_diag_dump+0x2a0/0x2a0 [ 344.512582] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.518124] ? bpf_test_init.isra.9+0x70/0x100 [ 344.522711] ? bpf_prog_test_run_skb+0x634/0xb40 [ 344.527478] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 344.532323] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 344.537856] ? fput+0x130/0x1a0 [ 344.541137] ? __bpf_prog_get+0x9b/0x290 [ 344.545207] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 344.550047] ? bpf_prog_test_run+0x130/0x1a0 [ 344.554460] ? __x64_sys_bpf+0x3d8/0x510 [ 344.558520] ? bpf_prog_get+0x20/0x20 [ 344.562347] ? do_syscall_64+0x1b9/0x820 [ 344.566408] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 344.571777] ? syscall_return_slowpath+0x5e0/0x5e0 [ 344.576712] ? trace_hardirqs_on_caller+0x310/0x310 [ 344.581728] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 344.586744] ? recalc_sigpending_tsk+0x180/0x180 [ 344.591504] ? kasan_check_write+0x14/0x20 [ 344.595746] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 344.600597] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 344.605980] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 344.606062] aoe: skb alloc failure [ 344.612735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 344.612741] Call Trace: [ 344.612762] dump_stack+0x1c4/0x2b6 [ 344.612784] ? dump_stack_print_info.cold.1+0x20/0x20 [ 344.616341] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 344.625673] warn_alloc.cold.119+0xb7/0x1bd [ 344.628224] syz-executor1 cpuset= [ 344.631844] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 344.637008] syz1 [ 344.647490] ? lock_downgrade+0x900/0x900 [ 344.651791] mems_allowed=0 [ 344.655236] ? trace_hardirqs_off+0xb8/0x310 [ 344.673459] ? trace_hardirqs_off+0xb8/0x310 [ 344.677880] __alloc_pages_slowpath+0x265e/0x2d70 [ 344.682759] ? warn_alloc+0x120/0x120 [ 344.686583] ? warn_alloc+0x120/0x120 [ 344.690388] ? print_usage_bug+0xc0/0xc0 [ 344.694459] ? warn_alloc+0x120/0x120 [ 344.698263] ? print_usage_bug+0xc0/0xc0 [ 344.702325] ? __lock_acquire+0x7ec/0x4ec0 [ 344.706561] ? __lock_acquire+0x7ec/0x4ec0 [ 344.710806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.716352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 344.721891] ? should_fail+0x22d/0xd01 [ 344.725782] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.730886] ? __lock_acquire+0x7ec/0x4ec0 [ 344.735138] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 344.740249] ? __lock_acquire+0x7ec/0x4ec0 [ 344.744487] ? should_fail+0x22d/0xd01 [ 344.748390] ? mark_held_locks+0x130/0x130 [ 344.752632] ? mark_held_locks+0x130/0x130 [ 344.756914] ? mark_held_locks+0xc7/0x130 [ 344.761087] ? print_usage_bug+0xc0/0xc0 [ 344.765150] ? graph_lock+0x170/0x170 [ 344.768956] ? print_usage_bug+0xc0/0xc0 [ 344.773020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.778733] ? check_preemption_disabled+0x48/0x280 [ 344.783973] ? check_preemption_disabled+0x48/0x280 [ 344.789009] ? __lock_is_held+0xb5/0x140 [ 344.793088] __alloc_pages_nodemask+0xa80/0xde0 [ 344.797754] ? graph_lock+0x170/0x170 [ 344.801561] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 344.806603] ? graph_lock+0x170/0x170 [ 344.810420] ? find_held_lock+0x36/0x1c0 [ 344.814494] ? ____cache_alloc_node+0x1c7/0x1e0 [ 344.819263] ? lock_downgrade+0x900/0x900 [ 344.823419] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.828969] cache_grow_begin+0x91/0x8c0 [ 344.833037] ? do_raw_spin_unlock+0xa7/0x330 [ 344.837464] fallback_alloc+0x203/0x2e0 [ 344.841472] ____cache_alloc_node+0x1c7/0x1e0 [ 344.845986] kmem_cache_alloc_node+0xe3/0x730 [ 344.850487] ? ipv6_get_ifaddr+0x42e/0x620 [ 344.854731] __alloc_skb+0x119/0x770 [ 344.858453] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 344.863731] ? skb_scrub_packet+0x490/0x490 [ 344.868068] ? lock_downgrade+0x900/0x900 [ 344.872229] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 344.877767] ? refcount_sub_and_test_checked+0x203/0x310 [ 344.883219] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 344.888673] ? addrconf_rs_timer+0x690/0x690 [ 344.893092] ndisc_alloc_skb+0x144/0x340 [ 344.897173] ndisc_send_rs+0x331/0x6e0 [ 344.901073] addrconf_rs_timer+0x314/0x690 [ 344.905328] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.909577] call_timer_fn+0x272/0x920 [ 344.913675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.917907] ? process_timeout+0x40/0x40 [ 344.921966] ? find_held_lock+0x36/0x1c0 [ 344.926042] ? __run_timers+0x7da/0xc70 [ 344.930025] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.934534] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.939032] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.943269] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 344.947856] ? trace_hardirqs_on+0xbd/0x310 [ 344.952190] ? kasan_check_read+0x11/0x20 [ 344.956342] ? __run_timers+0x7da/0xc70 [ 344.960323] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 344.965784] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.970023] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 344.974260] __run_timers+0x7e5/0xc70 [ 344.978101] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 344.983484] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.987977] ? _raw_spin_unlock_irq+0x27/0x80 [ 344.992472] ? lockdep_hardirqs_on+0x421/0x5c0 [ 344.997057] ? trace_hardirqs_on+0xbd/0x310 [ 345.001379] ? kasan_check_read+0x11/0x20 [ 345.005526] ? finish_task_switch+0x1f4/0x910 [ 345.010024] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.015477] ? compat_start_thread+0x80/0x80 [ 345.019888] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.025443] ? pvclock_read_flags+0x160/0x160 [ 345.029939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.035501] ? check_preemption_disabled+0x48/0x280 [ 345.040532] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 345.046066] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 345.051344] ? rcu_pm_notify+0xc0/0xc0 [ 345.055233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.060819] ? check_preemption_disabled+0x48/0x280 [ 345.065841] run_timer_softirq+0x52/0xb0 [ 345.069902] ? rcu_read_lock_sched_held+0x108/0x120 [ 345.074918] __do_softirq+0x30c/0xb03 [ 345.078730] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 345.083831] ? trace_hardirqs_off+0xb8/0x310 [ 345.088255] ? schedule+0x108/0x460 [ 345.091896] ? trace_hardirqs_off+0xb8/0x310 [ 345.096304] ? smpboot_thread_fn+0x68b/0xa00 [ 345.100716] ? trace_hardirqs_on+0x310/0x310 [ 345.105125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.110681] ? check_preemption_disabled+0x48/0x280 [ 345.115706] ? takeover_tasklets+0xa90/0xa90 [ 345.120120] run_ksoftirqd+0x94/0x100 [ 345.123921] smpboot_thread_fn+0x68b/0xa00 [ 345.128156] ? sort_range+0x30/0x30 [ 345.131838] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 345.136953] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.142495] ? __kthread_parkme+0xfb/0x1a0 [ 345.146738] kthread+0x35a/0x420 [ 345.150119] ? sort_range+0x30/0x30 [ 345.153748] ? kthread_bind+0x40/0x40 [ 345.157548] ret_from_fork+0x3a/0x50 [ 345.161289] warn_alloc_show_mem: 1 callbacks suppressed [ 345.161301] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 345.161303] Mem-Info: [ 345.161334] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 345.161334] active_file:15 inactive_file:13 isolated_file:0 [ 345.161334] unevictable:0 dirty:0 writeback:0 unstable:0 [ 345.161334] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 345.161334] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 345.161334] free:13788 free_pcp:609 free_cma:0 [ 345.166670] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 345.166678] Call Trace: [ 345.173960] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 345.176367] [ 345.209230] Node 0 [ 345.218588] dump_stack+0x1c4/0x2b6 [ 345.221174] 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 [ 345.248644] ? dump_stack_print_info.cold.1+0x20/0x20 [ 345.250767] lowmem_reserve[]: [ 345.253018] warn_alloc.cold.119+0xb7/0x1bd [ 345.256607] 0 [ 345.282098] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 345.287262] 2819 [ 345.290361] ? lock_downgrade+0x900/0x900 [ 345.294655] 6323 [ 345.296460] ? trace_hardirqs_off+0xb8/0x310 [ 345.301269] 6323 [ 345.303352] ? trace_hardirqs_off+0xb8/0x310 [ 345.307477] Node 0 [ 345.309544] __alloc_pages_slowpath+0x265e/0x2d70 [ 345.313949] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 345.316008] ? warn_alloc+0x120/0x120 [ 345.320361] lowmem_reserve[]: 0 [ 345.322600] ? warn_alloc+0x120/0x120 [ 345.327427] 0 3503 [ 345.354325] ? print_usage_bug+0xc0/0xc0 [ 345.358101] 3503 [ 345.361383] ? warn_alloc+0x120/0x120 [ 345.365157] Node 0 [ 345.367393] ? print_usage_bug+0xc0/0xc0 [ 345.371483] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 345.373500] ? mark_held_locks+0x130/0x130 [ 345.377291] lowmem_reserve[]: [ 345.379521] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 345.383557] 0 [ 345.411917] ? should_fail+0x22d/0xd01 [ 345.416146] 0 [ 345.419251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.424753] 0 0 [ 345.426561] ? __lock_acquire+0x7ec/0x4ec0 [ 345.432218] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 345.437311] Node 0 [ 345.439283] ? __lock_acquire+0x7ec/0x4ec0 [ 345.439299] ? should_fail+0x22d/0xd01 [ 345.443505] DMA: 1*4kB [ 345.448628] ? mark_held_locks+0x130/0x130 [ 345.450835] (U) [ 345.455062] ? mark_held_locks+0x130/0x130 [ 345.458918] 0*8kB 0*16kB [ 345.461510] ? lock_downgrade+0x900/0x900 [ 345.465713] 1*32kB (U) [ 345.467687] ? graph_lock+0x170/0x170 [ 345.471896] 2*64kB [ 345.474644] ? graph_lock+0x170/0x170 [ 345.478766] (U) [ 345.481371] ? graph_lock+0x170/0x170 [ 345.485172] 1*128kB [ 345.487399] ? print_usage_bug+0xc0/0xc0 [ 345.491211] (U) [ 345.493186] ? do_raw_spin_unlock+0xa7/0x330 [ 345.493203] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.496977] 1*256kB (U) [ 345.499304] ? check_preemption_disabled+0x48/0x280 [ 345.503335] 0*512kB [ 345.505307] ? check_preemption_disabled+0x48/0x280 [ 345.509714] 1*1024kB [ 345.515253] ? __lock_is_held+0xb5/0x140 [ 345.517892] (U) [ 345.522908] __alloc_pages_nodemask+0xa80/0xde0 [ 345.525204] 1*2048kB [ 345.530211] ? graph_lock+0x170/0x170 [ 345.532596] (M) [ 345.536666] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 345.538620] 3*4096kB [ 345.543277] ? graph_lock+0x170/0x170 [ 345.545664] (M) [ 345.549461] ? find_held_lock+0x36/0x1c0 [ 345.551422] = 15908kB [ 345.556435] ? ____cache_alloc_node+0x1c7/0x1e0 [ 345.558819] Node 0 [ 345.562623] ? lock_downgrade+0x900/0x900 [ 345.564574] DMA32: [ 345.568637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.571029] 5*4kB [ 345.575686] cache_grow_begin+0x91/0x8c0 [ 345.577919] (UM) [ 345.582066] ? do_raw_spin_unlock+0xa7/0x330 [ 345.584279] 0*8kB [ 345.589814] fallback_alloc+0x203/0x2e0 [ 345.591935] 3*16kB [ 345.595994] ____cache_alloc_node+0x1c7/0x1e0 [ 345.598030] (UM) [ 345.602435] kmem_cache_alloc_node+0xe3/0x730 [ 345.604556] 2*32kB (M) [ 345.608535] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 345.610748] 5*64kB [ 345.615237] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 345.617277] (UM) [ 345.621766] __alloc_skb+0x119/0x770 [ 345.624323] 4*128kB [ 345.629419] ? calc_wheel_index+0x220/0x220 [ 345.631630] (UM) [ 345.636207] ? skb_scrub_packet+0x490/0x490 [ 345.638250] 3*256kB [ 345.641981] ? vprintk_default+0x28/0x30 [ 345.644273] (M) [ 345.648584] ? vprintk_func+0x85/0x181 [ 345.650629] 4*512kB [ 345.654949] ? printk+0xa7/0xcf [ 345.657237] (UM) 3*1024kB [ 345.661301] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 345.663250] (UM) [ 345.667141] new_skb+0x26/0x1c0 [ 345.669433] 3*2048kB [ 345.672715] aoecmd_cfg+0x279/0x7f0 [ 345.675535] (M) [ 345.680290] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 345.682324] 3*4096kB [ 345.685594] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.687977] (M) [ 345.691596] ? check_preemption_disabled+0x48/0x280 [ 345.693545] = 25284kB [ 345.697857] ? check_preemption_disabled+0x48/0x280 [ 345.700241] Node 0 [ 345.705776] ? __lock_is_held+0xb5/0x140 [ 345.707731] Normal: 888*4kB [ 345.712757] discover_timer+0x50/0x60 [ 345.715133] (UMEH) [ 345.720142] call_timer_fn+0x272/0x920 [ 345.722357] 387*8kB [ 345.726409] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.729400] (UME) [ 345.733199] ? process_timeout+0x40/0x40 [ 345.735426] 157*16kB [ 345.739304] ? find_held_lock+0x36/0x1c0 [ 345.741606] (UME) [ 345.746445] ? __run_timers+0x7da/0xc70 [ 345.748571] 53*32kB [ 345.752621] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.755002] (UMEH) 26*64kB [ 345.759076] ? _raw_spin_unlock_irq+0x27/0x80 [ 345.759094] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.761220] (UMH) [ 345.765204] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 345.767506] 4*128kB [ 345.771996] ? trace_hardirqs_on+0xbd/0x310 [ 345.774901] (UMH) [ 345.779395] ? kasan_check_read+0x11/0x20 [ 345.784202] 0*256kB 0*512kB [ 345.786354] ? __run_timers+0x7da/0xc70 [ 345.790910] 1*1024kB [ 345.793226] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 345.797518] (H) [ 345.799672] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 345.803783] 0*2048kB [ 345.806797] __run_timers+0x7e5/0xc70 [ 345.810740] 0*4096kB = 14056kB [ 345.813174] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 345.818607] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 345.820573] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 345.825393] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 345.827788] ? graph_lock+0x170/0x170 [ 345.831567] 147 total pagecache pages [ 345.834753] ? enqueue_hrtimer+0x1a5/0x560 [ 345.840113] 0 pages in swap cache [ 345.848929] ? lock_release+0x970/0x970 [ 345.853922] Swap cache stats: add 0, delete 0, find 0/0 [ 345.853930] Free swap = 0kB [ 345.862505] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 345.866286] Total swap = 0kB [ 345.870083] ? find_held_lock+0x36/0x1c0 [ 345.874379] 1965979 pages RAM [ 345.877822] ? graph_lock+0x170/0x170 [ 345.881769] 0 pages HighMem/MovableOnly [ 345.881777] 342307 pages reserved [ 345.887130] ? pvclock_read_flags+0x160/0x160 [ 345.890122] 0 pages cma reserved [ 345.895306] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.898370] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 345.902348] ? check_preemption_disabled+0x48/0x280 [ 345.902377] ? __lock_is_held+0xb5/0x140 [ 345.905521] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 345.909254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 345.913207] ksoftirqd/0 cpuset= [ 345.917120] ? check_preemption_disabled+0x48/0x280 [ 345.921588] / [ 345.924964] run_timer_softirq+0x52/0xb0 [ 345.930475] mems_allowed=0 [ 345.936962] ? rcu_read_lock_sched_held+0x108/0x120 [ 345.983773] __do_softirq+0x30c/0xb03 [ 345.987587] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 345.992696] ? pvclock_read_flags+0x160/0x160 [ 345.997196] ? lapic_next_event+0x5a/0x90 [ 346.001349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.006904] ? check_preemption_disabled+0x48/0x280 [ 346.011916] ? check_preemption_disabled+0x48/0x280 [ 346.016935] ? kvm_clock_read+0x18/0x30 [ 346.021088] ? kvm_sched_clock_read+0x9/0x20 [ 346.025497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.031035] ? check_preemption_disabled+0x48/0x280 [ 346.036060] irq_exit+0x17f/0x1c0 [ 346.039545] smp_apic_timer_interrupt+0x1cb/0x760 [ 346.044399] ? smp_reschedule_interrupt+0x109/0x650 [ 346.049415] ? smp_call_function_single_interrupt+0x650/0x650 [ 346.055299] ? interrupt_entry+0xb5/0xf0 [ 346.059360] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.064377] ? trace_hardirqs_off_caller+0xbb/0x310 [ 346.069398] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.074244] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.079262] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.084280] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.089819] ? check_preemption_disabled+0x48/0x280 [ 346.094832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.100378] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.105231] apic_timer_interrupt+0xf/0x20 [ 346.109457] [ 346.111694] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 346.116627] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 346.135527] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 346.143239] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 346.150520] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 346.157790] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 346.165059] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 346.172325] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 346.179634] skb_clone+0x1bb/0x500 [ 346.183185] ? finish_task_switch+0x1b4/0x910 [ 346.187700] ? skb_split+0x11e0/0x11e0 [ 346.191592] ? preempt_notifier_register+0x200/0x200 [ 346.196696] ? __switch_to_asm+0x34/0x70 [ 346.200754] ? __switch_to_asm+0x34/0x70 [ 346.204810] ? __switch_to_asm+0x40/0x70 [ 346.208871] ? __switch_to_asm+0x34/0x70 [ 346.212960] ? __switch_to_asm+0x40/0x70 [ 346.217032] ? __switch_to_asm+0x34/0x70 [ 346.221104] ? __switch_to_asm+0x40/0x70 [ 346.225195] ? __switch_to_asm+0x34/0x70 [ 346.229273] ? __switch_to_asm+0x34/0x70 [ 346.233329] ? __switch_to_asm+0x40/0x70 [ 346.237387] ? __switch_to_asm+0x34/0x70 [ 346.241457] bpf_clone_redirect+0xb9/0x490 [ 346.245696] ? __schedule+0x874/0x1ed0 [ 346.249593] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 346.254612] ? __sched_text_start+0x8/0x8 [ 346.258764] ? lockdep_hardirqs_on+0x421/0x5c0 [ 346.263347] ? retint_kernel+0x2d/0x2d [ 346.267234] ? trace_hardirqs_on_caller+0xc0/0x310 [ 346.272178] ? find_held_lock+0x36/0x1c0 [ 346.276247] ? lock_acquire+0x1ed/0x520 [ 346.280218] ? bpf_test_run+0x32e/0x5a0 [ 346.284198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.290181] ? check_preemption_disabled+0x48/0x280 [ 346.295208] ? kasan_check_read+0x11/0x20 [ 346.299361] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.304641] ? rcu_bh_qs+0xc0/0xc0 [ 346.308194] ? preempt_schedule+0x4d/0x60 [ 346.312349] ? ___preempt_schedule+0x16/0x18 [ 346.316763] ? bpf_test_run+0x1c0/0x5a0 [ 346.320750] ? netlink_diag_dump+0x2a0/0x2a0 [ 346.325170] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.330710] ? bpf_test_init.isra.9+0x70/0x100 [ 346.335300] ? bpf_prog_test_run_skb+0x634/0xb40 [ 346.340062] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 346.344904] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 346.350444] ? fput+0x130/0x1a0 [ 346.353727] ? __bpf_prog_get+0x9b/0x290 [ 346.357792] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 346.362632] ? bpf_prog_test_run+0x130/0x1a0 [ 346.367042] ? __x64_sys_bpf+0x3d8/0x510 [ 346.371102] ? bpf_prog_get+0x20/0x20 [ 346.374926] ? do_syscall_64+0x1b9/0x820 [ 346.378990] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 346.384367] ? syscall_return_slowpath+0x5e0/0x5e0 [ 346.389302] ? trace_hardirqs_on_caller+0x310/0x310 [ 346.394318] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 346.399333] ? recalc_sigpending_tsk+0x180/0x180 [ 346.404092] ? kasan_check_write+0x14/0x20 [ 346.408340] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 346.413200] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 346.418600] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 346.418672] aoe: skb alloc failure [ 346.425352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.425357] Call Trace: [ 346.425378] dump_stack+0x1c4/0x2b6 [ 346.425397] ? dump_stack_print_info.cold.1+0x20/0x20 [ 346.425423] warn_alloc.cold.119+0xb7/0x1bd [ 346.428971] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 346.438290] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 346.440850] syz-executor1 cpuset= [ 346.444472] ? lock_downgrade+0x900/0x900 [ 346.449638] syz1 [ 346.453957] ? trace_hardirqs_off+0xb8/0x310 [ 346.464421] mems_allowed=0 [ 346.469265] ? trace_hardirqs_off+0xb8/0x310 [ 346.490514] __alloc_pages_slowpath+0x265e/0x2d70 [ 346.495391] ? warn_alloc+0x120/0x120 [ 346.499236] ? warn_alloc+0x120/0x120 [ 346.503038] ? print_usage_bug+0xc0/0xc0 [ 346.507103] ? warn_alloc+0x120/0x120 [ 346.510908] ? print_usage_bug+0xc0/0xc0 [ 346.514974] ? __lock_acquire+0x7ec/0x4ec0 [ 346.519212] ? __lock_acquire+0x7ec/0x4ec0 [ 346.523458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.529001] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.534542] ? should_fail+0x22d/0xd01 [ 346.538435] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.543543] ? __lock_acquire+0x7ec/0x4ec0 [ 346.547783] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 346.552898] ? __lock_acquire+0x7ec/0x4ec0 [ 346.557129] ? should_fail+0x22d/0xd01 [ 346.561031] ? mark_held_locks+0x130/0x130 [ 346.565273] ? mark_held_locks+0x130/0x130 [ 346.569514] ? graph_lock+0x170/0x170 [ 346.573315] ? print_usage_bug+0xc0/0xc0 [ 346.577376] ? graph_lock+0x170/0x170 [ 346.581182] ? print_usage_bug+0xc0/0xc0 [ 346.585243] ? wq_watchdog_touch+0x9c/0xfe [ 346.589481] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.595023] ? check_preemption_disabled+0x48/0x280 [ 346.600047] ? check_preemption_disabled+0x48/0x280 [ 346.605078] ? __lock_is_held+0xb5/0x140 [ 346.609148] __alloc_pages_nodemask+0xa80/0xde0 [ 346.613830] ? graph_lock+0x170/0x170 [ 346.617638] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 346.622651] ? graph_lock+0x170/0x170 [ 346.626467] ? find_held_lock+0x36/0x1c0 [ 346.630628] ? ____cache_alloc_node+0x1c7/0x1e0 [ 346.635303] ? lock_downgrade+0x900/0x900 [ 346.639466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.645012] cache_grow_begin+0x91/0x8c0 [ 346.649074] ? do_raw_spin_unlock+0xa7/0x330 [ 346.653491] fallback_alloc+0x203/0x2e0 [ 346.657476] ____cache_alloc_node+0x1c7/0x1e0 [ 346.661977] kmem_cache_alloc_node+0xe3/0x730 [ 346.666500] ? ipv6_get_ifaddr+0x42e/0x620 [ 346.670759] __alloc_skb+0x119/0x770 [ 346.674477] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.679762] ? skb_scrub_packet+0x490/0x490 [ 346.684086] ? lock_downgrade+0x900/0x900 [ 346.688246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.693783] ? refcount_sub_and_test_checked+0x203/0x310 [ 346.699236] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 346.704687] ? addrconf_rs_timer+0x690/0x690 [ 346.709120] ndisc_alloc_skb+0x144/0x340 [ 346.713194] ndisc_send_rs+0x331/0x6e0 [ 346.717090] addrconf_rs_timer+0x314/0x690 [ 346.721332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.725584] call_timer_fn+0x272/0x920 [ 346.729473] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.733708] ? process_timeout+0x40/0x40 [ 346.737765] ? find_held_lock+0x36/0x1c0 [ 346.741834] ? __run_timers+0x7da/0xc70 [ 346.745810] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.750305] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.754802] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.759037] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 346.763623] ? trace_hardirqs_on+0xbd/0x310 [ 346.767944] ? kasan_check_read+0x11/0x20 [ 346.772096] ? __run_timers+0x7da/0xc70 [ 346.776072] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.781530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.786286] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 346.790521] __run_timers+0x7e5/0xc70 [ 346.794341] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 346.799709] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.804204] ? _raw_spin_unlock_irq+0x27/0x80 [ 346.808698] ? lockdep_hardirqs_on+0x421/0x5c0 [ 346.813286] ? trace_hardirqs_on+0xbd/0x310 [ 346.817614] ? kasan_check_read+0x11/0x20 [ 346.821768] ? finish_task_switch+0x1f4/0x910 [ 346.826270] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 346.831719] ? compat_start_thread+0x80/0x80 [ 346.836136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.841695] ? pvclock_read_flags+0x160/0x160 [ 346.846196] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.851739] ? check_preemption_disabled+0x48/0x280 [ 346.856767] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 346.862302] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 346.867579] ? rcu_pm_notify+0xc0/0xc0 [ 346.871472] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 346.877014] ? check_preemption_disabled+0x48/0x280 [ 346.882039] run_timer_softirq+0x52/0xb0 [ 346.886102] ? rcu_read_lock_sched_held+0x108/0x120 [ 346.891119] __do_softirq+0x30c/0xb03 [ 346.894933] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 346.900039] ? trace_hardirqs_off+0xb8/0x310 [ 346.904464] ? schedule+0x108/0x460 [ 346.908110] ? trace_hardirqs_off+0xb8/0x310 [ 346.912521] ? smpboot_thread_fn+0x68b/0xa00 [ 346.917118] ? trace_hardirqs_on+0x310/0x310 [ 346.921534] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.927075] ? check_preemption_disabled+0x48/0x280 [ 346.932094] ? takeover_tasklets+0xa90/0xa90 [ 346.936510] run_ksoftirqd+0x94/0x100 [ 346.940315] smpboot_thread_fn+0x68b/0xa00 [ 346.944552] ? sort_range+0x30/0x30 [ 346.948206] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 346.953329] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 346.958869] ? __kthread_parkme+0xfb/0x1a0 [ 346.963112] kthread+0x35a/0x420 [ 346.966477] ? sort_range+0x30/0x30 [ 346.970101] ? kthread_bind+0x40/0x40 [ 346.973902] ret_from_fork+0x3a/0x50 [ 346.977630] warn_alloc_show_mem: 1 callbacks suppressed [ 346.977642] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 346.977644] Mem-Info: [ 346.977675] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 346.977675] active_file:15 inactive_file:13 isolated_file:0 [ 346.977675] unevictable:0 dirty:0 writeback:0 unstable:0 [ 346.977675] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 346.977675] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 346.977675] free:13788 free_pcp:609 free_cma:0 [ 346.983015] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 346.990307] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 346.992701] Call Trace: [ 347.025578] Node 0 [ 347.034931] [ 347.062449] 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 [ 347.065013] dump_stack+0x1c4/0x2b6 [ 347.067215] lowmem_reserve[]: [ 347.069367] ? dump_stack_print_info.cold.1+0x20/0x20 [ 347.094839] 0 2819 [ 347.098484] warn_alloc.cold.119+0xb7/0x1bd [ 347.101551] 6323 [ 347.106741] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 347.108952] 6323 [ 347.113269] ? lock_downgrade+0x900/0x900 [ 347.115308] Node 0 [ 347.120151] ? trace_hardirqs_off+0xb8/0x310 [ 347.122219] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 347.126337] ? trace_hardirqs_off+0xb8/0x310 [ 347.128541] lowmem_reserve[]: 0 [ 347.132959] __alloc_pages_slowpath+0x265e/0x2d70 [ 347.159820] 0 [ 347.164256] ? warn_alloc+0x120/0x120 [ 347.167481] 3503 [ 347.172324] ? warn_alloc+0x120/0x120 [ 347.174096] 3503 [ 347.177888] ? print_usage_bug+0xc0/0xc0 [ 347.183719] ? warn_alloc+0x120/0x120 [ 347.185759] Node 0 [ 347.189812] ? print_usage_bug+0xc0/0xc0 [ 347.193610] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 347.195817] ? mark_held_locks+0x130/0x130 [ 347.199855] lowmem_reserve[]: [ 347.228226] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 347.232433] 0 [ 347.235536] ? should_fail+0x22d/0xd01 [ 347.241057] 0 [ 347.242854] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.246717] 0 [ 347.248519] ? __lock_acquire+0x7ec/0x4ec0 [ 347.253597] 0 [ 347.255399] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 347.261403] ? __lock_acquire+0x7ec/0x4ec0 [ 347.266478] Node 0 [ 347.270698] ? should_fail+0x22d/0xd01 [ 347.270708] DMA: [ 347.272950] ? mark_held_locks+0x130/0x130 [ 347.276797] 1*4kB [ 347.278852] ? mark_held_locks+0x130/0x130 [ 347.283064] (U) [ 347.285205] ? lock_downgrade+0x900/0x900 [ 347.289413] 0*8kB [ 347.291379] ? graph_lock+0x170/0x170 [ 347.295501] 0*16kB [ 347.297642] ? graph_lock+0x170/0x170 [ 347.301422] 1*32kB [ 347.303649] ? graph_lock+0x170/0x170 [ 347.307424] (U) [ 347.310521] ? print_usage_bug+0xc0/0xc0 [ 347.314290] 2*64kB (U) [ 347.316271] ? do_raw_spin_unlock+0xa7/0x330 [ 347.320304] 1*128kB [ 347.322883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.327263] (U) [ 347.329589] ? check_preemption_disabled+0x48/0x280 [ 347.335099] 1*256kB [ 347.337074] ? check_preemption_disabled+0x48/0x280 [ 347.342059] (U) [ 347.344389] ? __lock_is_held+0xb5/0x140 [ 347.349370] 0*512kB [ 347.351342] __alloc_pages_nodemask+0xa80/0xde0 [ 347.355376] 1*1024kB [ 347.357694] ? graph_lock+0x170/0x170 [ 347.362336] (U) [ 347.364745] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 347.368515] 1*2048kB (M) [ 347.370490] ? graph_lock+0x170/0x170 [ 347.375479] 3*4096kB [ 347.378242] ? find_held_lock+0x36/0x1c0 [ 347.382006] (M) [ 347.384416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 347.388445] = 15908kB [ 347.390412] ? lock_downgrade+0x900/0x900 [ 347.395053] Node 0 [ 347.397465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.401583] DMA32: [ 347.403815] cache_grow_begin+0x91/0x8c0 [ 347.409326] 5*4kB [ 347.411558] ? do_raw_spin_unlock+0xa7/0x330 [ 347.415598] (UM) [ 347.417746] fallback_alloc+0x203/0x2e0 [ 347.422121] 0*8kB [ 347.424188] ____cache_alloc_node+0x1c7/0x1e0 [ 347.428139] 3*16kB [ 347.430284] kmem_cache_alloc_node+0xe3/0x730 [ 347.434749] (UM) [ 347.436984] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 347.441460] 2*32kB [ 347.443522] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 347.448602] (M) [ 347.450834] __alloc_skb+0x119/0x770 [ 347.455390] 5*64kB [ 347.457359] ? calc_wheel_index+0x220/0x220 [ 347.461049] (UM) [ 347.463278] ? skb_scrub_packet+0x490/0x490 [ 347.467574] 4*128kB [ 347.469641] ? vprintk_default+0x28/0x30 [ 347.473926] (UM) [ 347.476245] ? vprintk_func+0x85/0x181 [ 347.480282] 3*256kB [ 347.482340] ? printk+0xa7/0xcf [ 347.486198] (M) [ 347.488520] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 347.491775] 4*512kB [ 347.493751] new_skb+0x26/0x1c0 [ 347.498473] (UM) [ 347.500792] aoecmd_cfg+0x279/0x7f0 [ 347.504045] 3*1024kB [ 347.506106] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 347.509703] (UM) [ 347.512109] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.516401] 3*2048kB [ 347.518455] ? check_preemption_disabled+0x48/0x280 [ 347.518472] ? check_preemption_disabled+0x48/0x280 [ 347.523984] (M) [ 347.526394] ? __lock_is_held+0xb5/0x140 [ 347.531378] 3*4096kB [ 347.536398] discover_timer+0x50/0x60 [ 347.538339] (M) [ 347.542394] call_timer_fn+0x272/0x920 [ 347.544776] = 25284kB [ 347.544784] Node 0 [ 347.548582] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 347.550524] Normal: 888*4kB [ 347.554416] ? process_timeout+0x40/0x40 [ 347.556806] (UMEH) [ 347.559039] ? find_held_lock+0x36/0x1c0 [ 347.563855] 387*8kB [ 347.566875] ? __run_timers+0x7da/0xc70 [ 347.570908] (UME) [ 347.573136] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.577174] 157*16kB (UME) [ 347.579502] ? _raw_spin_unlock_irq+0x27/0x80 [ 347.583456] 53*32kB [ 347.585600] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 347.590063] (UMEH) 26*64kB [ 347.592998] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 347.597464] (UMH) [ 347.599783] ? trace_hardirqs_on+0xbd/0x310 [ 347.604601] 4*128kB [ 347.607532] ? kasan_check_read+0x11/0x20 [ 347.612082] (UMH) [ 347.614228] ? __run_timers+0x7da/0xc70 [ 347.618524] 0*256kB [ 347.620840] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 347.624959] 0*512kB [ 347.627115] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 347.631053] 1*1024kB [ 347.633380] __run_timers+0x7e5/0xc70 [ 347.638804] (H) [ 347.641143] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 347.645944] 0*2048kB 0*4096kB [ 347.648360] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 347.652133] = 14056kB [ 347.654103] ? graph_lock+0x170/0x170 [ 347.659450] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 347.662626] ? enqueue_hrtimer+0x1a5/0x560 [ 347.667624] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 347.670022] ? lock_release+0x970/0x970 [ 347.673799] 147 total pagecache pages [ 347.682625] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 347.686841] 0 pages in swap cache [ 347.695407] ? find_held_lock+0x36/0x1c0 [ 347.699349] Swap cache stats: add 0, delete 0, find 0/0 [ 347.699357] Free swap = 0kB [ 347.703149] ? graph_lock+0x170/0x170 [ 347.708318] Total swap = 0kB [ 347.711767] ? pvclock_read_flags+0x160/0x160 [ 347.715800] 1965979 pages RAM [ 347.721159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.724158] 0 pages HighMem/MovableOnly [ 347.727963] ? check_preemption_disabled+0x48/0x280 [ 347.730953] 342307 pages reserved [ 347.735450] ? __lock_is_held+0xb5/0x140 [ 347.738532] 0 pages cma reserved [ 347.744061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.748101] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 347.753014] ? check_preemption_disabled+0x48/0x280 [ 347.753037] run_timer_softirq+0x52/0xb0 [ 347.753053] ? rcu_read_lock_sched_held+0x108/0x120 [ 347.756545] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 347.760541] __do_softirq+0x30c/0xb03 [ 347.763884] ksoftirqd/0 cpuset= [ 347.769420] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 347.775879] / [ 347.780889] ? pvclock_read_flags+0x160/0x160 [ 347.784939] mems_allowed=0 [ 347.789950] ? lapic_next_event+0x5a/0x90 [ 347.825607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.831150] ? check_preemption_disabled+0x48/0x280 [ 347.836182] ? check_preemption_disabled+0x48/0x280 [ 347.841206] ? kvm_clock_read+0x18/0x30 [ 347.845186] ? kvm_sched_clock_read+0x9/0x20 [ 347.849600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.855139] ? check_preemption_disabled+0x48/0x280 [ 347.860185] irq_exit+0x17f/0x1c0 [ 347.863644] smp_apic_timer_interrupt+0x1cb/0x760 [ 347.868487] ? smp_reschedule_interrupt+0x109/0x650 [ 347.873507] ? smp_call_function_single_interrupt+0x650/0x650 [ 347.879390] ? interrupt_entry+0xb5/0xf0 [ 347.883456] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.888471] ? trace_hardirqs_off_caller+0xbb/0x310 [ 347.893487] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.898336] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.903352] ? trace_hardirqs_on_caller+0x310/0x310 [ 347.908369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.913910] ? check_preemption_disabled+0x48/0x280 [ 347.918930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 347.924484] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 347.929341] apic_timer_interrupt+0xf/0x20 [ 347.933572] [ 347.935815] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 347.940747] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 347.959657] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 347.967374] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 347.974643] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 347.981910] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 347.989188] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 347.996457] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 348.003771] skb_clone+0x1bb/0x500 [ 348.007317] ? finish_task_switch+0x1b4/0x910 [ 348.011814] ? skb_split+0x11e0/0x11e0 [ 348.015704] ? preempt_notifier_register+0x200/0x200 [ 348.020804] ? __switch_to_asm+0x34/0x70 [ 348.024873] ? __switch_to_asm+0x34/0x70 [ 348.028941] ? __switch_to_asm+0x40/0x70 [ 348.033002] ? __switch_to_asm+0x34/0x70 [ 348.037064] ? __switch_to_asm+0x40/0x70 [ 348.041121] ? __switch_to_asm+0x34/0x70 [ 348.045188] ? __switch_to_asm+0x40/0x70 [ 348.049246] ? __switch_to_asm+0x34/0x70 [ 348.053308] ? __switch_to_asm+0x34/0x70 [ 348.057367] ? __switch_to_asm+0x40/0x70 [ 348.061425] ? __switch_to_asm+0x34/0x70 [ 348.065498] bpf_clone_redirect+0xb9/0x490 [ 348.069740] ? __schedule+0x874/0x1ed0 [ 348.073635] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 348.078660] ? __sched_text_start+0x8/0x8 [ 348.082840] ? lockdep_hardirqs_on+0x421/0x5c0 [ 348.087423] ? retint_kernel+0x2d/0x2d [ 348.091316] ? trace_hardirqs_on_caller+0xc0/0x310 [ 348.096267] ? find_held_lock+0x36/0x1c0 [ 348.100338] ? lock_acquire+0x1ed/0x520 [ 348.104310] ? bpf_test_run+0x32e/0x5a0 [ 348.108286] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.113827] ? check_preemption_disabled+0x48/0x280 [ 348.118849] ? kasan_check_read+0x11/0x20 [ 348.123001] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.128280] ? rcu_bh_qs+0xc0/0xc0 [ 348.131827] ? preempt_schedule+0x4d/0x60 [ 348.135975] ? ___preempt_schedule+0x16/0x18 [ 348.140396] ? bpf_test_run+0x1c0/0x5a0 [ 348.144387] ? netlink_diag_dump+0x2a0/0x2a0 [ 348.148802] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.154337] ? bpf_test_init.isra.9+0x70/0x100 [ 348.158922] ? bpf_prog_test_run_skb+0x634/0xb40 [ 348.163690] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 348.168532] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 348.174069] ? fput+0x130/0x1a0 [ 348.177360] ? __bpf_prog_get+0x9b/0x290 [ 348.181427] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 348.186269] ? bpf_prog_test_run+0x130/0x1a0 [ 348.190683] ? __x64_sys_bpf+0x3d8/0x510 [ 348.194742] ? bpf_prog_get+0x20/0x20 [ 348.198564] ? do_syscall_64+0x1b9/0x820 [ 348.202628] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 348.207996] ? syscall_return_slowpath+0x5e0/0x5e0 [ 348.212931] ? trace_hardirqs_on_caller+0x310/0x310 [ 348.217959] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 348.222975] ? recalc_sigpending_tsk+0x180/0x180 [ 348.227732] ? kasan_check_write+0x14/0x20 [ 348.231974] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 348.236857] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 348.242244] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 348.242315] aoe: skb alloc failure [ 348.248999] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.249008] Call Trace: [ 348.252601] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 348.261887] dump_stack+0x1c4/0x2b6 [ 348.264450] syz-executor1 cpuset= [ 348.274931] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.278531] syz1 [ 348.281988] warn_alloc.cold.119+0xb7/0x1bd [ 348.287148] mems_allowed=0 [ 348.289121] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.301184] ? lock_downgrade+0x900/0x900 [ 348.305343] ? trace_hardirqs_off+0xb8/0x310 [ 348.309755] ? trace_hardirqs_off+0xb8/0x310 [ 348.314181] __alloc_pages_slowpath+0x265e/0x2d70 [ 348.319073] ? warn_alloc+0x120/0x120 [ 348.322880] ? warn_alloc+0x120/0x120 [ 348.326681] ? print_usage_bug+0xc0/0xc0 [ 348.330747] ? warn_alloc+0x120/0x120 [ 348.334548] ? print_usage_bug+0xc0/0xc0 [ 348.338613] ? __lock_acquire+0x7ec/0x4ec0 [ 348.342848] ? __lock_acquire+0x7ec/0x4ec0 [ 348.347083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.352617] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.358158] ? should_fail+0x22d/0xd01 [ 348.362060] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.367178] ? __lock_acquire+0x7ec/0x4ec0 [ 348.371417] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 348.376521] ? __lock_acquire+0x7ec/0x4ec0 [ 348.380752] ? should_fail+0x22d/0xd01 [ 348.384655] ? mark_held_locks+0x130/0x130 [ 348.388896] ? mark_held_locks+0x130/0x130 [ 348.393131] ? graph_lock+0x170/0x170 [ 348.396938] ? print_usage_bug+0xc0/0xc0 [ 348.401011] ? graph_lock+0x170/0x170 [ 348.404821] ? print_usage_bug+0xc0/0xc0 [ 348.408895] ? wq_watchdog_touch+0x9c/0xfe [ 348.413136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.418683] ? check_preemption_disabled+0x48/0x280 [ 348.423700] ? check_preemption_disabled+0x48/0x280 [ 348.428729] ? __lock_is_held+0xb5/0x140 [ 348.432798] __alloc_pages_nodemask+0xa80/0xde0 [ 348.437469] ? graph_lock+0x170/0x170 [ 348.441274] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 348.446287] ? graph_lock+0x170/0x170 [ 348.450099] ? find_held_lock+0x36/0x1c0 [ 348.454176] ? ____cache_alloc_node+0x1c7/0x1e0 [ 348.458851] ? lock_downgrade+0x900/0x900 [ 348.463009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.468552] cache_grow_begin+0x91/0x8c0 [ 348.472619] ? do_raw_spin_unlock+0xa7/0x330 [ 348.477042] fallback_alloc+0x203/0x2e0 [ 348.481024] ____cache_alloc_node+0x1c7/0x1e0 [ 348.485555] kmem_cache_alloc_node+0xe3/0x730 [ 348.490070] ? ipv6_get_ifaddr+0x42e/0x620 [ 348.494321] __alloc_skb+0x119/0x770 [ 348.498041] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.503322] ? skb_scrub_packet+0x490/0x490 [ 348.507643] ? lock_downgrade+0x900/0x900 [ 348.511816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.517355] ? refcount_sub_and_test_checked+0x203/0x310 [ 348.522810] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 348.528262] ? addrconf_rs_timer+0x690/0x690 [ 348.532689] ndisc_alloc_skb+0x144/0x340 [ 348.536767] ndisc_send_rs+0x331/0x6e0 [ 348.540662] addrconf_rs_timer+0x314/0x690 [ 348.544901] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.549151] call_timer_fn+0x272/0x920 [ 348.553046] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.557287] ? process_timeout+0x40/0x40 [ 348.561346] ? find_held_lock+0x36/0x1c0 [ 348.566023] ? __run_timers+0x7da/0xc70 [ 348.569999] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.574495] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.578993] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.583232] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 348.587815] ? trace_hardirqs_on+0xbd/0x310 [ 348.592139] ? kasan_check_read+0x11/0x20 [ 348.596294] ? __run_timers+0x7da/0xc70 [ 348.600271] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.605734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 348.609973] __run_timers+0x7e5/0xc70 [ 348.613787] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 348.619153] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.623652] ? _raw_spin_unlock_irq+0x27/0x80 [ 348.628148] ? lockdep_hardirqs_on+0x421/0x5c0 [ 348.632738] ? trace_hardirqs_on+0xbd/0x310 [ 348.637063] ? kasan_check_read+0x11/0x20 [ 348.641212] ? finish_task_switch+0x1f4/0x910 [ 348.645708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 348.651161] ? compat_start_thread+0x80/0x80 [ 348.655580] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.661130] ? pvclock_read_flags+0x160/0x160 [ 348.665634] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.671180] ? check_preemption_disabled+0x48/0x280 [ 348.676216] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 348.681751] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 348.687035] ? rcu_pm_notify+0xc0/0xc0 [ 348.690928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 348.696471] ? check_preemption_disabled+0x48/0x280 [ 348.701502] run_timer_softirq+0x52/0xb0 [ 348.705560] ? rcu_read_lock_sched_held+0x108/0x120 [ 348.710583] __do_softirq+0x30c/0xb03 [ 348.714400] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 348.719501] ? trace_hardirqs_off+0xb8/0x310 [ 348.723923] ? schedule+0x108/0x460 [ 348.727563] ? trace_hardirqs_off+0xb8/0x310 [ 348.731975] ? smpboot_thread_fn+0x68b/0xa00 [ 348.736384] ? trace_hardirqs_on+0x310/0x310 [ 348.740794] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.746332] ? check_preemption_disabled+0x48/0x280 [ 348.751352] ? takeover_tasklets+0xa90/0xa90 [ 348.755769] run_ksoftirqd+0x94/0x100 [ 348.759575] smpboot_thread_fn+0x68b/0xa00 [ 348.763815] ? sort_range+0x30/0x30 [ 348.767449] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 348.772552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 348.778087] ? __kthread_parkme+0xfb/0x1a0 [ 348.782508] kthread+0x35a/0x420 [ 348.785876] ? sort_range+0x30/0x30 [ 348.789498] ? kthread_bind+0x40/0x40 [ 348.793312] ret_from_fork+0x3a/0x50 [ 348.797040] warn_alloc_show_mem: 1 callbacks suppressed [ 348.797051] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 348.797053] Mem-Info: [ 348.797084] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 348.797084] active_file:15 inactive_file:13 isolated_file:0 [ 348.797084] unevictable:0 dirty:0 writeback:0 unstable:0 [ 348.797084] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 348.797084] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 348.797084] free:13788 free_pcp:609 free_cma:0 [ 348.802425] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 348.809710] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 348.812122] Call Trace: [ 348.844995] Node 0 [ 348.854349] [ 348.882053] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 348.884618] dump_stack+0x1c4/0x2b6 [ 348.886822] lowmem_reserve[]: [ 348.888972] ? dump_stack_print_info.cold.1+0x20/0x20 [ 348.914654] 0 2819 [ 348.918309] warn_alloc.cold.119+0xb7/0x1bd [ 348.921372] 6323 [ 348.926553] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 348.928763] 6323 [ 348.933080] ? lock_downgrade+0x900/0x900 [ 348.935119] Node 0 [ 348.939962] ? trace_hardirqs_off+0xb8/0x310 [ 348.942013] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 348.946130] ? trace_hardirqs_off+0xb8/0x310 [ 348.948338] lowmem_reserve[]: [ 348.952744] __alloc_pages_slowpath+0x265e/0x2d70 [ 348.979607] 0 [ 348.984043] ? warn_alloc+0x120/0x120 [ 348.987090] 0 [ 348.991927] ? pvclock_read_flags+0x160/0x160 [ 348.993699] 3503 3503 [ 348.997503] ? warn_alloc+0x120/0x120 [ 349.003765] ? print_usage_bug+0xc0/0xc0 [ 349.006238] Node 0 [ 349.010030] ? warn_alloc+0x120/0x120 [ 349.014102] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 349.016291] ? kvm_clock_read+0x18/0x30 [ 349.020058] lowmem_reserve[]: 0 [ 349.048430] ? print_usage_bug+0xc0/0xc0 [ 349.052380] 0 [ 349.055651] ? ktime_get+0x2e1/0x440 [ 349.059686] 0 [ 349.061487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.065182] 0 [ 349.066979] ? check_preemption_disabled+0x48/0x280 [ 349.072486] Node 0 [ 349.074283] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.079276] DMA: [ 349.081505] ? should_fail+0x22d/0xd01 [ 349.087016] 1*4kB [ 349.089076] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.092933] (U) [ 349.095094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.100343] 0*8kB [ 349.102314] ? __lock_acquire+0x7ec/0x4ec0 [ 349.107389] 0*16kB [ 349.109532] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 349.113742] 1*32kB [ 349.115974] ? __lock_acquire+0x7ec/0x4ec0 [ 349.121052] (U) [ 349.123294] ? should_fail+0x22d/0xd01 [ 349.127508] 2*64kB [ 349.129479] ? print_usage_bug+0xc0/0xc0 [ 349.133339] (U) [ 349.135570] ? mark_held_locks+0x130/0x130 [ 349.139606] 1*128kB [ 349.141574] ? mark_held_locks+0x130/0x130 [ 349.145786] (U) [ 349.148106] ? graph_lock+0x170/0x170 [ 349.152308] 1*256kB (U) [ 349.154292] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 349.158068] 0*512kB [ 349.160736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.165724] 1*1024kB [ 349.168041] ? check_preemption_disabled+0x48/0x280 [ 349.173576] (U) 1*2048kB [ 349.175991] ? check_preemption_disabled+0x48/0x280 [ 349.180976] (M) [ 349.183732] ? __lock_is_held+0xb5/0x140 [ 349.188716] 3*4096kB [ 349.190686] __alloc_pages_nodemask+0xa80/0xde0 [ 349.194715] (M) [ 349.197121] ? graph_lock+0x170/0x170 [ 349.201765] = 15908kB [ 349.203734] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 349.207508] Node 0 [ 349.209909] ? graph_lock+0x170/0x170 [ 349.214905] DMA32: [ 349.217139] ? find_held_lock+0x36/0x1c0 [ 349.220906] 5*4kB [ 349.223145] ? ____cache_alloc_node+0x1c7/0x1e0 [ 349.227184] (UM) [ 349.229326] ? lock_downgrade+0x900/0x900 [ 349.233971] 0*8kB [ 349.236032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.240152] 3*16kB [ 349.242307] cache_grow_begin+0x91/0x8c0 [ 349.247818] (UM) [ 349.250083] ? do_raw_spin_unlock+0xa7/0x330 [ 349.254115] 2*32kB [ 349.256185] fallback_alloc+0x203/0x2e0 [ 349.260562] (M) [ 349.262799] ____cache_alloc_node+0x1c7/0x1e0 [ 349.266743] 5*64kB [ 349.268712] kmem_cache_alloc_node+0xe3/0x730 [ 349.273188] (UM) [ 349.275416] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 349.279882] 4*128kB [ 349.281940] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 349.287015] (UM) [ 349.289337] __alloc_skb+0x119/0x770 [ 349.293889] 3*256kB [ 349.295953] ? calc_wheel_index+0x220/0x220 [ 349.299635] (M) [ 349.301968] ? skb_scrub_packet+0x490/0x490 [ 349.306264] 4*512kB [ 349.308238] ? vprintk_default+0x28/0x30 [ 349.312526] (UM) [ 349.314843] ? vprintk_func+0x85/0x181 [ 349.318879] 3*1024kB [ 349.320932] ? printk+0xa7/0xcf [ 349.324798] (UM) [ 349.327207] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 349.330465] 3*2048kB [ 349.332532] new_skb+0x26/0x1c0 [ 349.337254] (M) [ 349.339659] aoecmd_cfg+0x279/0x7f0 [ 349.342912] 3*4096kB [ 349.344890] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 349.348486] (M) [ 349.350894] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.355197] = 25284kB [ 349.357182] ? check_preemption_disabled+0x48/0x280 [ 349.362691] Node 0 [ 349.365096] ? check_preemption_disabled+0x48/0x280 [ 349.370082] Normal: [ 349.372319] ? __lock_is_held+0xb5/0x140 [ 349.377306] 888*4kB [ 349.379636] discover_timer+0x50/0x60 [ 349.383662] (UMEH) [ 349.385978] call_timer_fn+0x272/0x920 [ 349.389752] 387*8kB [ 349.391998] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 349.395870] (UME) [ 349.398203] ? process_timeout+0x40/0x40 [ 349.403028] 157*16kB (UME) [ 349.405186] ? find_held_lock+0x36/0x1c0 [ 349.409221] 53*32kB [ 349.412148] ? __run_timers+0x7da/0xc70 [ 349.416189] (UMEH) [ 349.418519] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.422469] 26*64kB [ 349.424699] ? _raw_spin_unlock_irq+0x27/0x80 [ 349.429180] (UMH) [ 349.431499] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 349.435967] 4*128kB [ 349.438109] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 349.442925] (UMH) [ 349.445251] ? trace_hardirqs_on+0xbd/0x310 [ 349.449807] 0*256kB [ 349.451955] ? kasan_check_read+0x11/0x20 [ 349.456248] 0*512kB [ 349.458597] ? __run_timers+0x7da/0xc70 [ 349.462718] 1*1024kB [ 349.465039] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 349.468984] (H) [ 349.471399] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 349.476815] 0*2048kB [ 349.478783] __run_timers+0x7e5/0xc70 [ 349.483597] 0*4096kB [ 349.486006] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 349.489771] = 14056kB [ 349.492195] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 349.497539] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 349.499942] ? graph_lock+0x170/0x170 [ 349.504968] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 349.513789] ? enqueue_hrtimer+0x1a5/0x560 [ 349.517565] 147 total pagecache pages [ 349.526135] ? lock_release+0x970/0x970 [ 349.530350] 0 pages in swap cache [ 349.534138] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 349.538093] Swap cache stats: add 0, delete 0, find 0/0 [ 349.541543] ? find_held_lock+0x36/0x1c0 [ 349.546711] Free swap = 0kB [ 349.552065] ? graph_lock+0x170/0x170 [ 349.556097] Total swap = 0kB [ 349.559109] ? pvclock_read_flags+0x160/0x160 [ 349.562882] 1965979 pages RAM [ 349.565897] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.570370] 0 pages HighMem/MovableOnly [ 349.573470] ? check_preemption_disabled+0x48/0x280 [ 349.578979] 342307 pages reserved [ 349.582956] ? __lock_is_held+0xb5/0x140 [ 349.587934] 0 pages cma reserved [ 349.591389] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.595502] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 349.598782] ? check_preemption_disabled+0x48/0x280 [ 349.604395] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 349.610784] run_timer_softirq+0x52/0xb0 [ 349.615771] ksoftirqd/0 cpuset= [ 349.626077] ? rcu_read_lock_sched_held+0x108/0x120 [ 349.630108] / [ 349.633384] __do_softirq+0x30c/0xb03 [ 349.638374] mems_allowed=0 [ 349.640093] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 349.651872] ? pvclock_read_flags+0x160/0x160 [ 349.656373] ? lapic_next_event+0x5a/0x90 [ 349.660521] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.666061] ? check_preemption_disabled+0x48/0x280 [ 349.671075] ? check_preemption_disabled+0x48/0x280 [ 349.676095] ? kvm_clock_read+0x18/0x30 [ 349.680073] ? kvm_sched_clock_read+0x9/0x20 [ 349.684483] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.690024] ? check_preemption_disabled+0x48/0x280 [ 349.695057] irq_exit+0x17f/0x1c0 [ 349.698515] smp_apic_timer_interrupt+0x1cb/0x760 [ 349.703356] ? smp_reschedule_interrupt+0x109/0x650 [ 349.708375] ? smp_call_function_single_interrupt+0x650/0x650 [ 349.714258] ? interrupt_entry+0xb5/0xf0 [ 349.718324] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.723337] ? trace_hardirqs_off_caller+0xbb/0x310 [ 349.728357] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.733205] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.738221] ? trace_hardirqs_on_caller+0x310/0x310 [ 349.743244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.748784] ? check_preemption_disabled+0x48/0x280 [ 349.753796] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.759345] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 349.764196] apic_timer_interrupt+0xf/0x20 [ 349.768439] [ 349.770683] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 349.775614] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 349.794512] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 349.802225] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 349.809493] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 349.816762] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 349.824029] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 349.831294] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 349.838606] skb_clone+0x1bb/0x500 [ 349.842145] ? finish_task_switch+0x1b4/0x910 [ 349.846651] ? skb_split+0x11e0/0x11e0 [ 349.850550] ? preempt_notifier_register+0x200/0x200 [ 349.855650] ? __switch_to_asm+0x34/0x70 [ 349.859712] ? __switch_to_asm+0x34/0x70 [ 349.863771] ? __switch_to_asm+0x40/0x70 [ 349.867844] ? __switch_to_asm+0x34/0x70 [ 349.871907] ? __switch_to_asm+0x40/0x70 [ 349.875969] ? __switch_to_asm+0x34/0x70 [ 349.880026] ? __switch_to_asm+0x40/0x70 [ 349.884082] ? __switch_to_asm+0x34/0x70 [ 349.888141] ? __switch_to_asm+0x34/0x70 [ 349.892210] ? __switch_to_asm+0x40/0x70 [ 349.896268] ? __switch_to_asm+0x34/0x70 [ 349.900339] bpf_clone_redirect+0xb9/0x490 [ 349.904575] ? __schedule+0x874/0x1ed0 [ 349.908467] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 349.913995] ? __sched_text_start+0x8/0x8 [ 349.918171] ? lockdep_hardirqs_on+0x421/0x5c0 [ 349.922754] ? retint_kernel+0x2d/0x2d [ 349.926643] ? trace_hardirqs_on_caller+0xc0/0x310 [ 349.931578] ? find_held_lock+0x36/0x1c0 [ 349.935647] ? lock_acquire+0x1ed/0x520 [ 349.939624] ? bpf_test_run+0x32e/0x5a0 [ 349.943609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 349.949147] ? check_preemption_disabled+0x48/0x280 [ 349.954189] ? kasan_check_read+0x11/0x20 [ 349.958343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 349.963619] ? rcu_bh_qs+0xc0/0xc0 [ 349.967161] ? preempt_schedule+0x4d/0x60 [ 349.971325] ? ___preempt_schedule+0x16/0x18 [ 349.975739] ? bpf_test_run+0x1c0/0x5a0 [ 349.979730] ? netlink_diag_dump+0x2a0/0x2a0 [ 349.984146] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 349.989691] ? bpf_test_init.isra.9+0x70/0x100 [ 349.994279] ? bpf_prog_test_run_skb+0x634/0xb40 [ 349.999043] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 350.003886] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 350.009419] ? fput+0x130/0x1a0 [ 350.012703] ? __bpf_prog_get+0x9b/0x290 [ 350.016765] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 350.021604] ? bpf_prog_test_run+0x130/0x1a0 [ 350.026020] ? __x64_sys_bpf+0x3d8/0x510 [ 350.030084] ? bpf_prog_get+0x20/0x20 [ 350.033906] ? do_syscall_64+0x1b9/0x820 [ 350.037976] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 350.043341] ? syscall_return_slowpath+0x5e0/0x5e0 [ 350.048289] ? trace_hardirqs_on_caller+0x310/0x310 [ 350.053488] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 350.058504] ? recalc_sigpending_tsk+0x180/0x180 [ 350.063264] ? kasan_check_write+0x14/0x20 [ 350.067504] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 350.072357] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 350.077739] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 350.077809] aoe: skb alloc failure [ 350.084495] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.084500] Call Trace: [ 350.084521] dump_stack+0x1c4/0x2b6 [ 350.084540] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.084567] warn_alloc.cold.119+0xb7/0x1bd [ 350.088109] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 350.097432] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.099995] syz-executor1 cpuset= [ 350.103613] ? lock_downgrade+0x900/0x900 [ 350.108776] syz1 [ 350.113097] ? trace_hardirqs_off+0xb8/0x310 [ 350.123553] mems_allowed=0 [ 350.128385] ? trace_hardirqs_off+0xb8/0x310 [ 350.149665] __alloc_pages_slowpath+0x265e/0x2d70 [ 350.154544] ? warn_alloc+0x120/0x120 [ 350.158351] ? warn_alloc+0x120/0x120 [ 350.162152] ? print_usage_bug+0xc0/0xc0 [ 350.166221] ? warn_alloc+0x120/0x120 [ 350.170027] ? print_usage_bug+0xc0/0xc0 [ 350.174096] ? __lock_acquire+0x7ec/0x4ec0 [ 350.178340] ? __lock_acquire+0x7ec/0x4ec0 [ 350.182579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.188117] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.193658] ? should_fail+0x22d/0xd01 [ 350.197549] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.202654] ? __lock_acquire+0x7ec/0x4ec0 [ 350.206893] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.211992] ? __lock_acquire+0x7ec/0x4ec0 [ 350.216226] ? should_fail+0x22d/0xd01 [ 350.220124] ? mark_held_locks+0x130/0x130 [ 350.224366] ? mark_held_locks+0x130/0x130 [ 350.228604] ? mark_held_locks+0xc7/0x130 [ 350.232748] ? print_usage_bug+0xc0/0xc0 [ 350.236810] ? graph_lock+0x170/0x170 [ 350.240612] ? print_usage_bug+0xc0/0xc0 [ 350.244680] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.250218] ? check_preemption_disabled+0x48/0x280 [ 350.255235] ? check_preemption_disabled+0x48/0x280 [ 350.260264] ? __lock_is_held+0xb5/0x140 [ 350.264334] __alloc_pages_nodemask+0xa80/0xde0 [ 350.269004] ? graph_lock+0x170/0x170 [ 350.272808] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 350.277819] ? graph_lock+0x170/0x170 [ 350.281630] ? find_held_lock+0x36/0x1c0 [ 350.285704] ? ____cache_alloc_node+0x1c7/0x1e0 [ 350.290373] ? lock_downgrade+0x900/0x900 [ 350.294534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.300078] cache_grow_begin+0x91/0x8c0 [ 350.304141] ? do_raw_spin_unlock+0xa7/0x330 [ 350.308567] fallback_alloc+0x203/0x2e0 [ 350.312548] ____cache_alloc_node+0x1c7/0x1e0 [ 350.317051] kmem_cache_alloc_node+0xe3/0x730 [ 350.321552] ? ipv6_get_ifaddr+0x42e/0x620 [ 350.325800] __alloc_skb+0x119/0x770 [ 350.329519] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.334802] ? skb_scrub_packet+0x490/0x490 [ 350.339125] ? lock_downgrade+0x900/0x900 [ 350.343285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.348823] ? refcount_sub_and_test_checked+0x203/0x310 [ 350.354279] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 350.359734] ? addrconf_rs_timer+0x690/0x690 [ 350.364157] ndisc_alloc_skb+0x144/0x340 [ 350.368238] ndisc_send_rs+0x331/0x6e0 [ 350.372135] addrconf_rs_timer+0x314/0x690 [ 350.376387] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.380640] call_timer_fn+0x272/0x920 [ 350.384531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.388767] ? process_timeout+0x40/0x40 [ 350.392829] ? find_held_lock+0x36/0x1c0 [ 350.396897] ? __run_timers+0x7da/0xc70 [ 350.400872] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.405367] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.409866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.414099] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 350.418682] ? trace_hardirqs_on+0xbd/0x310 [ 350.423003] ? kasan_check_read+0x11/0x20 [ 350.427153] ? __run_timers+0x7da/0xc70 [ 350.431138] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.436599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.440840] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 350.445077] __run_timers+0x7e5/0xc70 [ 350.448892] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 350.454260] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.458753] ? _raw_spin_unlock_irq+0x27/0x80 [ 350.463252] ? lockdep_hardirqs_on+0x421/0x5c0 [ 350.467841] ? trace_hardirqs_on+0xbd/0x310 [ 350.472161] ? kasan_check_read+0x11/0x20 [ 350.476322] ? finish_task_switch+0x1f4/0x910 [ 350.480821] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 350.486270] ? compat_start_thread+0x80/0x80 [ 350.490682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.496236] ? pvclock_read_flags+0x160/0x160 [ 350.500734] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.506272] ? check_preemption_disabled+0x48/0x280 [ 350.511300] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 350.516837] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 350.522114] ? rcu_pm_notify+0xc0/0xc0 [ 350.526004] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.531547] ? check_preemption_disabled+0x48/0x280 [ 350.536575] run_timer_softirq+0x52/0xb0 [ 350.540634] ? rcu_read_lock_sched_held+0x108/0x120 [ 350.545651] __do_softirq+0x30c/0xb03 [ 350.549470] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 350.554575] ? trace_hardirqs_off+0xb8/0x310 [ 350.558993] ? schedule+0x108/0x460 [ 350.562630] ? trace_hardirqs_off+0xb8/0x310 [ 350.567041] ? smpboot_thread_fn+0x68b/0xa00 [ 350.571451] ? trace_hardirqs_on+0x310/0x310 [ 350.575862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.581405] ? check_preemption_disabled+0x48/0x280 [ 350.586440] ? takeover_tasklets+0xa90/0xa90 [ 350.590850] run_ksoftirqd+0x94/0x100 [ 350.594656] smpboot_thread_fn+0x68b/0xa00 [ 350.598894] ? sort_range+0x30/0x30 [ 350.602534] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 350.607640] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.613186] ? __kthread_parkme+0xfb/0x1a0 [ 350.617432] kthread+0x35a/0x420 [ 350.620802] ? sort_range+0x30/0x30 [ 350.624430] ? kthread_bind+0x40/0x40 [ 350.628243] ret_from_fork+0x3a/0x50 [ 350.631974] warn_alloc_show_mem: 1 callbacks suppressed [ 350.631986] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 350.631988] Mem-Info: [ 350.632022] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 350.632022] active_file:15 inactive_file:13 isolated_file:0 [ 350.632022] unevictable:0 dirty:0 writeback:0 unstable:0 [ 350.632022] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 350.632022] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 350.632022] free:13788 free_pcp:609 free_cma:0 [ 350.637360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 350.644635] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 350.647030] Call Trace: [ 350.679914] Node 0 [ 350.689285] [ 350.716795] 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 [ 350.719362] dump_stack+0x1c4/0x2b6 [ 350.721571] lowmem_reserve[]: [ 350.723717] ? dump_stack_print_info.cold.1+0x20/0x20 [ 350.749200] 0 [ 350.752834] warn_alloc.cold.119+0xb7/0x1bd [ 350.755902] 2819 [ 350.761102] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 350.762881] 6323 [ 350.767207] ? lock_downgrade+0x900/0x900 [ 350.769244] 6323 [ 350.774085] ? trace_hardirqs_off+0xb8/0x310 [ 350.780263] ? trace_hardirqs_off+0xb8/0x310 [ 350.782493] Node 0 [ 350.786904] __alloc_pages_slowpath+0x265e/0x2d70 [ 350.791307] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 350.793539] ? warn_alloc+0x120/0x120 [ 350.798332] lowmem_reserve[]: [ 350.825220] ? warn_alloc+0x120/0x120 [ 350.828994] 0 [ 350.832094] ? print_usage_bug+0xc0/0xc0 [ 350.835864] 0 [ 350.837661] ? warn_alloc+0x120/0x120 [ 350.841709] 3503 [ 350.843503] ? print_usage_bug+0xc0/0xc0 [ 350.847279] 3503 [ 350.849337] ? mark_held_locks+0x130/0x130 [ 350.855436] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 350.859645] Node 0 [ 350.865192] ? should_fail+0x22d/0xd01 [ 350.865227] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 350.867451] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.871345] lowmem_reserve[]: [ 350.899704] ? __lock_acquire+0x7ec/0x4ec0 [ 350.904780] 0 [ 350.907878] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 350.912086] 0 [ 350.914372] ? __lock_acquire+0x7ec/0x4ec0 [ 350.919457] 0 [ 350.921259] ? should_fail+0x22d/0xd01 [ 350.925470] 0 [ 350.927273] ? mark_held_locks+0x130/0x130 [ 350.931129] Node 0 [ 350.932931] ? mark_held_locks+0x130/0x130 [ 350.937137] DMA: 1*4kB [ 350.939386] ? lock_downgrade+0x900/0x900 [ 350.943595] (U) [ 350.946181] ? graph_lock+0x170/0x170 [ 350.950302] 0*8kB 0*16kB [ 350.952281] ? graph_lock+0x170/0x170 [ 350.956058] 1*32kB [ 350.959177] ? graph_lock+0x170/0x170 [ 350.962952] (U) [ 350.965189] ? print_usage_bug+0xc0/0xc0 [ 350.968970] 2*64kB [ 350.970943] ? do_raw_spin_unlock+0xa7/0x330 [ 350.974974] (U) [ 350.977210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 350.981586] 1*128kB (U) [ 350.983565] ? check_preemption_disabled+0x48/0x280 [ 350.989073] 1*256kB [ 350.991735] ? check_preemption_disabled+0x48/0x280 [ 350.996723] (U) [ 350.999046] ? __lock_is_held+0xb5/0x140 [ 351.004031] 0*512kB [ 351.006006] __alloc_pages_nodemask+0xa80/0xde0 [ 351.010037] 1*1024kB [ 351.012352] ? graph_lock+0x170/0x170 [ 351.016998] (U) [ 351.019402] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 351.023184] 1*2048kB [ 351.025153] ? graph_lock+0x170/0x170 [ 351.030149] (M) [ 351.032565] ? find_held_lock+0x36/0x1c0 [ 351.036329] 3*4096kB (M) [ 351.038316] ? ____cache_alloc_node+0x1c7/0x1e0 [ 351.042346] = 15908kB [ 351.045097] ? lock_downgrade+0x900/0x900 [ 351.049740] Node 0 [ 351.052149] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.056269] DMA32: [ 351.058505] cache_grow_begin+0x91/0x8c0 [ 351.064016] 5*4kB [ 351.066264] ? do_raw_spin_unlock+0xa7/0x330 [ 351.070300] (UM) [ 351.072446] fallback_alloc+0x203/0x2e0 [ 351.076827] 0*8kB [ 351.078886] ____cache_alloc_node+0x1c7/0x1e0 [ 351.082833] 3*16kB [ 351.084978] kmem_cache_alloc_node+0xe3/0x730 [ 351.089449] (UM) [ 351.091683] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 351.096145] 2*32kB (M) [ 351.098216] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 351.103296] 5*64kB [ 351.105881] __alloc_skb+0x119/0x770 [ 351.110431] (UM) [ 351.112666] ? calc_wheel_index+0x220/0x220 [ 351.116353] 4*128kB [ 351.118412] ? skb_scrub_packet+0x490/0x490 [ 351.122711] (UM) [ 351.125035] ? vprintk_default+0x28/0x30 [ 351.129327] 3*256kB [ 351.131385] ? vprintk_func+0x85/0x181 [ 351.135420] (M) [ 351.137735] ? printk+0xa7/0xcf [ 351.141597] 4*512kB [ 351.143568] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 351.146829] (UM) 3*1024kB [ 351.149160] new_skb+0x26/0x1c0 [ 351.153889] (UM) [ 351.156725] aoecmd_cfg+0x279/0x7f0 [ 351.159973] 3*2048kB (M) [ 351.162040] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 351.165638] 3*4096kB [ 351.168391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.172687] (M) [ 351.175095] ? check_preemption_disabled+0x48/0x280 [ 351.180604] = 25284kB [ 351.182577] ? check_preemption_disabled+0x48/0x280 [ 351.187565] Node 0 [ 351.189979] ? __lock_is_held+0xb5/0x140 [ 351.194961] Normal: [ 351.197207] discover_timer+0x50/0x60 [ 351.201233] 888*4kB [ 351.203554] call_timer_fn+0x272/0x920 [ 351.207324] (UMEH) [ 351.209641] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.213501] 387*8kB [ 351.215729] ? process_timeout+0x40/0x40 [ 351.220546] (UME) [ 351.222874] ? find_held_lock+0x36/0x1c0 [ 351.226907] 157*16kB [ 351.229055] ? __run_timers+0x7da/0xc70 [ 351.233086] (UME) [ 351.235492] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.239444] 53*32kB [ 351.241590] ? _raw_spin_unlock_irq+0x27/0x80 [ 351.246057] (UMEH) [ 351.248379] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.252848] 26*64kB [ 351.255081] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 351.259894] (UMH) [ 351.262211] ? trace_hardirqs_on+0xbd/0x310 [ 351.266774] 4*128kB [ 351.268941] ? kasan_check_read+0x11/0x20 [ 351.273227] (UMH) [ 351.275550] ? __run_timers+0x7da/0xc70 [ 351.279663] 0*256kB 0*512kB [ 351.281822] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 351.285775] 1*1024kB [ 351.288796] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 351.294210] (H) [ 351.296613] __run_timers+0x7e5/0xc70 [ 351.301430] 0*2048kB [ 351.303412] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 351.307184] 0*4096kB [ 351.309592] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 351.314929] = 14056kB [ 351.317336] ? graph_lock+0x170/0x170 [ 351.322331] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 351.324727] ? enqueue_hrtimer+0x1a5/0x560 [ 351.328513] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 351.337336] ? lock_release+0x970/0x970 [ 351.341543] 147 total pagecache pages [ 351.350109] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 351.354061] 0 pages in swap cache [ 351.357849] ? find_held_lock+0x36/0x1c0 [ 351.363008] Swap cache stats: add 0, delete 0, find 0/0 [ 351.363019] Free swap = 0kB [ 351.366466] ? graph_lock+0x170/0x170 [ 351.370501] Total swap = 0kB [ 351.375856] ? pvclock_read_flags+0x160/0x160 [ 351.378852] 1965979 pages RAM [ 351.382651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.385639] 0 pages HighMem/MovableOnly [ 351.385647] 342307 pages reserved [ 351.390135] ? check_preemption_disabled+0x48/0x280 [ 351.393212] 0 pages cma reserved [ 351.398765] ? __lock_is_held+0xb5/0x140 [ 351.402777] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 351.406157] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.411283] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.414560] ? check_preemption_disabled+0x48/0x280 [ 351.418591] ksoftirqd/0 cpuset= [ 351.425078] run_timer_softirq+0x52/0xb0 [ 351.430588] / [ 351.440898] ? rcu_read_lock_sched_held+0x108/0x120 [ 351.445892] mems_allowed=0 [ 351.449162] __do_softirq+0x30c/0xb03 [ 351.466655] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 351.471768] ? pvclock_read_flags+0x160/0x160 [ 351.476265] ? lapic_next_event+0x5a/0x90 [ 351.480418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.485968] ? check_preemption_disabled+0x48/0x280 [ 351.490984] ? check_preemption_disabled+0x48/0x280 [ 351.496010] ? kvm_clock_read+0x18/0x30 [ 351.500028] ? kvm_sched_clock_read+0x9/0x20 [ 351.504440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.509978] ? check_preemption_disabled+0x48/0x280 [ 351.515009] irq_exit+0x17f/0x1c0 [ 351.518469] smp_apic_timer_interrupt+0x1cb/0x760 [ 351.523313] ? smp_reschedule_interrupt+0x109/0x650 [ 351.528334] ? smp_call_function_single_interrupt+0x650/0x650 [ 351.534220] ? interrupt_entry+0xb5/0xf0 [ 351.538288] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.543303] ? trace_hardirqs_off_caller+0xbb/0x310 [ 351.548322] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.553172] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.558197] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.563213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.568765] ? check_preemption_disabled+0x48/0x280 [ 351.573781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.579325] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.584186] apic_timer_interrupt+0xf/0x20 [ 351.588416] [ 351.590657] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 351.595590] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 351.614498] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 351.622206] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 351.629475] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 351.636739] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 351.644004] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 351.651275] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 351.658586] skb_clone+0x1bb/0x500 [ 351.662126] ? finish_task_switch+0x1b4/0x910 [ 351.666623] ? skb_split+0x11e0/0x11e0 [ 351.670512] ? preempt_notifier_register+0x200/0x200 [ 351.675617] ? __switch_to_asm+0x34/0x70 [ 351.679681] ? __switch_to_asm+0x34/0x70 [ 351.683742] ? __switch_to_asm+0x40/0x70 [ 351.687803] ? __switch_to_asm+0x34/0x70 [ 351.691866] ? __switch_to_asm+0x40/0x70 [ 351.695924] ? __switch_to_asm+0x34/0x70 [ 351.699991] ? __switch_to_asm+0x40/0x70 [ 351.704049] ? __switch_to_asm+0x34/0x70 [ 351.708107] ? __switch_to_asm+0x34/0x70 [ 351.712178] ? __switch_to_asm+0x40/0x70 [ 351.716239] ? __switch_to_asm+0x34/0x70 [ 351.720324] bpf_clone_redirect+0xb9/0x490 [ 351.724562] ? __schedule+0x874/0x1ed0 [ 351.728461] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 351.733485] ? __sched_text_start+0x8/0x8 [ 351.737641] ? lockdep_hardirqs_on+0x421/0x5c0 [ 351.742224] ? retint_kernel+0x2d/0x2d [ 351.746142] ? trace_hardirqs_on_caller+0xc0/0x310 [ 351.751097] ? find_held_lock+0x36/0x1c0 [ 351.755172] ? lock_acquire+0x1ed/0x520 [ 351.759145] ? bpf_test_run+0x32e/0x5a0 [ 351.763131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 351.768675] ? check_preemption_disabled+0x48/0x280 [ 351.773699] ? kasan_check_read+0x11/0x20 [ 351.777851] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 351.783132] ? rcu_bh_qs+0xc0/0xc0 [ 351.786682] ? preempt_schedule+0x4d/0x60 [ 351.790830] ? ___preempt_schedule+0x16/0x18 [ 351.795249] ? bpf_test_run+0x1c0/0x5a0 [ 351.799241] ? netlink_diag_dump+0x2a0/0x2a0 [ 351.803654] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 351.809196] ? bpf_test_init.isra.9+0x70/0x100 [ 351.813786] ? bpf_prog_test_run_skb+0x634/0xb40 [ 351.818552] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 351.823391] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 351.828925] ? fput+0x130/0x1a0 [ 351.832214] ? __bpf_prog_get+0x9b/0x290 [ 351.836278] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 351.841118] ? bpf_prog_test_run+0x130/0x1a0 [ 351.845529] ? __x64_sys_bpf+0x3d8/0x510 [ 351.849593] ? bpf_prog_get+0x20/0x20 [ 351.853414] ? do_syscall_64+0x1b9/0x820 [ 351.857478] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 351.862841] ? syscall_return_slowpath+0x5e0/0x5e0 [ 351.867777] ? trace_hardirqs_on_caller+0x310/0x310 [ 351.872800] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 351.877816] ? recalc_sigpending_tsk+0x180/0x180 [ 351.882575] ? kasan_check_write+0x14/0x20 [ 351.886818] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 351.891671] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 351.897070] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 351.897153] aoe: skb alloc failure [ 351.903839] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 351.903845] Call Trace: [ 351.903866] dump_stack+0x1c4/0x2b6 [ 351.903889] ? dump_stack_print_info.cold.1+0x20/0x20 [ 351.907437] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 351.916772] warn_alloc.cold.119+0xb7/0x1bd [ 351.919323] syz-executor1 cpuset= [ 351.922947] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 351.928118] syz1 [ 351.938599] ? lock_downgrade+0x900/0x900 [ 351.942895] mems_allowed=0 [ 351.946347] ? trace_hardirqs_off+0xb8/0x310 [ 351.964598] ? trace_hardirqs_off+0xb8/0x310 [ 351.969016] __alloc_pages_slowpath+0x265e/0x2d70 [ 351.973888] ? warn_alloc+0x120/0x120 [ 351.977709] ? warn_alloc+0x120/0x120 [ 351.981515] ? print_usage_bug+0xc0/0xc0 [ 351.985579] ? warn_alloc+0x120/0x120 [ 351.989381] ? print_usage_bug+0xc0/0xc0 [ 351.993451] ? __lock_acquire+0x7ec/0x4ec0 [ 351.997690] ? __lock_acquire+0x7ec/0x4ec0 [ 352.001930] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.007471] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.013008] ? should_fail+0x22d/0xd01 [ 352.016900] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.022002] ? __lock_acquire+0x7ec/0x4ec0 [ 352.026240] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.031340] ? __lock_acquire+0x7ec/0x4ec0 [ 352.035570] ? should_fail+0x22d/0xd01 [ 352.039473] ? mark_held_locks+0x130/0x130 [ 352.043717] ? mark_held_locks+0x130/0x130 [ 352.047955] ? mark_held_locks+0xc7/0x130 [ 352.052100] ? print_usage_bug+0xc0/0xc0 [ 352.056170] ? graph_lock+0x170/0x170 [ 352.059975] ? print_usage_bug+0xc0/0xc0 [ 352.064043] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.069584] ? check_preemption_disabled+0x48/0x280 [ 352.074598] ? check_preemption_disabled+0x48/0x280 [ 352.079627] ? __lock_is_held+0xb5/0x140 [ 352.083697] __alloc_pages_nodemask+0xa80/0xde0 [ 352.088367] ? graph_lock+0x170/0x170 [ 352.092185] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 352.097201] ? graph_lock+0x170/0x170 [ 352.101015] ? find_held_lock+0x36/0x1c0 [ 352.105088] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.109758] ? lock_downgrade+0x900/0x900 [ 352.113917] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.119467] cache_grow_begin+0x91/0x8c0 [ 352.123530] ? do_raw_spin_unlock+0xa7/0x330 [ 352.127946] fallback_alloc+0x203/0x2e0 [ 352.131931] ____cache_alloc_node+0x1c7/0x1e0 [ 352.136441] kmem_cache_alloc_node+0xe3/0x730 [ 352.140940] ? ipv6_get_ifaddr+0x42e/0x620 [ 352.145198] __alloc_skb+0x119/0x770 [ 352.148914] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.154203] ? skb_scrub_packet+0x490/0x490 [ 352.158529] ? lock_downgrade+0x900/0x900 [ 352.162686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.168224] ? refcount_sub_and_test_checked+0x203/0x310 [ 352.173677] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 352.179134] ? addrconf_rs_timer+0x690/0x690 [ 352.183563] ndisc_alloc_skb+0x144/0x340 [ 352.187631] ndisc_send_rs+0x331/0x6e0 [ 352.191533] addrconf_rs_timer+0x314/0x690 [ 352.195776] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.200034] call_timer_fn+0x272/0x920 [ 352.203921] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.208160] ? process_timeout+0x40/0x40 [ 352.212229] ? find_held_lock+0x36/0x1c0 [ 352.216301] ? __run_timers+0x7da/0xc70 [ 352.220292] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.224786] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.229281] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.233514] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.238099] ? trace_hardirqs_on+0xbd/0x310 [ 352.242422] ? kasan_check_read+0x11/0x20 [ 352.246572] ? __run_timers+0x7da/0xc70 [ 352.250548] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.256005] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.260247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 352.264485] __run_timers+0x7e5/0xc70 [ 352.268303] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 352.273667] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.278174] ? _raw_spin_unlock_irq+0x27/0x80 [ 352.282675] ? lockdep_hardirqs_on+0x421/0x5c0 [ 352.287257] ? trace_hardirqs_on+0xbd/0x310 [ 352.291577] ? kasan_check_read+0x11/0x20 [ 352.295726] ? finish_task_switch+0x1f4/0x910 [ 352.300222] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 352.305671] ? compat_start_thread+0x80/0x80 [ 352.310083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.315632] ? pvclock_read_flags+0x160/0x160 [ 352.320128] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.325664] ? check_preemption_disabled+0x48/0x280 [ 352.330691] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 352.336231] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 352.341510] ? rcu_pm_notify+0xc0/0xc0 [ 352.345401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.350943] ? check_preemption_disabled+0x48/0x280 [ 352.355970] run_timer_softirq+0x52/0xb0 [ 352.360029] ? rcu_read_lock_sched_held+0x108/0x120 [ 352.365049] __do_softirq+0x30c/0xb03 [ 352.368861] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 352.373967] ? trace_hardirqs_off+0xb8/0x310 [ 352.378385] ? schedule+0x108/0x460 [ 352.382025] ? trace_hardirqs_off+0xb8/0x310 [ 352.386440] ? smpboot_thread_fn+0x68b/0xa00 [ 352.390850] ? trace_hardirqs_on+0x310/0x310 [ 352.395258] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.400800] ? check_preemption_disabled+0x48/0x280 [ 352.405851] ? takeover_tasklets+0xa90/0xa90 [ 352.410275] run_ksoftirqd+0x94/0x100 [ 352.414080] smpboot_thread_fn+0x68b/0xa00 [ 352.418320] ? sort_range+0x30/0x30 [ 352.421951] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 352.427060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.432602] ? __kthread_parkme+0xfb/0x1a0 [ 352.436852] kthread+0x35a/0x420 [ 352.440217] ? sort_range+0x30/0x30 [ 352.443840] ? kthread_bind+0x40/0x40 [ 352.447641] ret_from_fork+0x3a/0x50 [ 352.451368] warn_alloc_show_mem: 1 callbacks suppressed [ 352.451379] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 352.451381] Mem-Info: [ 352.451414] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 352.451414] active_file:15 inactive_file:13 isolated_file:0 [ 352.451414] unevictable:0 dirty:0 writeback:0 unstable:0 [ 352.451414] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 352.451414] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 352.451414] free:13788 free_pcp:609 free_cma:0 [ 352.456754] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 352.464027] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 352.466424] Call Trace: [ 352.499293] Node 0 [ 352.508634] [ 352.536143] 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 [ 352.538711] dump_stack+0x1c4/0x2b6 [ 352.540915] lowmem_reserve[]: [ 352.543065] ? dump_stack_print_info.cold.1+0x20/0x20 [ 352.568541] 0 [ 352.572183] warn_alloc.cold.119+0xb7/0x1bd [ 352.575252] 2819 [ 352.580436] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 352.582215] 6323 [ 352.586529] ? lock_downgrade+0x900/0x900 [ 352.588567] 6323 [ 352.593404] ? trace_hardirqs_off+0xb8/0x310 [ 352.595442] Node 0 [ 352.599579] ? trace_hardirqs_off+0xb8/0x310 [ 352.601643] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 352.606025] __alloc_pages_slowpath+0x265e/0x2d70 [ 352.608233] lowmem_reserve[]: [ 352.612663] ? warn_alloc+0x120/0x120 [ 352.639517] 0 [ 352.644359] ? warn_alloc+0x120/0x120 [ 352.647441] 0 [ 352.651236] ? print_usage_bug+0xc0/0xc0 [ 352.653015] 3503 [ 352.656810] ? warn_alloc+0x120/0x120 [ 352.658588] 3503 [ 352.662643] ? print_usage_bug+0xc0/0xc0 [ 352.668474] ? mark_held_locks+0x130/0x130 [ 352.670511] Node 0 [ 352.674565] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 352.678796] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 352.681005] ? should_fail+0x22d/0xd01 [ 352.686506] lowmem_reserve[]: 0 [ 352.714887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.718748] 0 [ 352.722021] ? __lock_acquire+0x7ec/0x4ec0 [ 352.727094] 0 [ 352.728890] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 352.733095] 0 [ 352.734894] ? __lock_acquire+0x7ec/0x4ec0 [ 352.741762] ? should_fail+0x22d/0xd01 [ 352.745973] Node 0 DMA: [ 352.749861] ? mark_held_locks+0x130/0x130 [ 352.749865] 1*4kB (U) [ 352.752540] ? mark_held_locks+0x130/0x130 [ 352.756755] 0*8kB [ 352.759250] ? lock_downgrade+0x900/0x900 [ 352.763462] 0*16kB [ 352.765601] ? graph_lock+0x170/0x170 [ 352.769718] 1*32kB (U) [ 352.771956] ? graph_lock+0x170/0x170 [ 352.775734] 2*64kB [ 352.778312] ? graph_lock+0x170/0x170 [ 352.782208] (U) 1*128kB [ 352.784454] ? print_usage_bug+0xc0/0xc0 [ 352.788233] (U) [ 352.790924] ? do_raw_spin_unlock+0xa7/0x330 [ 352.794957] 1*256kB [ 352.796928] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.801311] (U) [ 352.803631] ? check_preemption_disabled+0x48/0x280 [ 352.809138] 0*512kB [ 352.811104] ? check_preemption_disabled+0x48/0x280 [ 352.816096] 1*1024kB [ 352.818421] ? __lock_is_held+0xb5/0x140 [ 352.823418] (U) 1*2048kB [ 352.825837] __alloc_pages_nodemask+0xa80/0xde0 [ 352.829867] (M) [ 352.832617] ? graph_lock+0x170/0x170 [ 352.837262] 3*4096kB (M) [ 352.839245] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 352.843018] = 15908kB [ 352.843025] Node 0 [ 352.845775] ? graph_lock+0x170/0x170 [ 352.850760] DMA32: 5*4kB [ 352.853191] ? find_held_lock+0x36/0x1c0 [ 352.855397] (UM) [ 352.859201] ? ____cache_alloc_node+0x1c7/0x1e0 [ 352.861924] 0*8kB 3*16kB [ 352.865990] ? lock_downgrade+0x900/0x900 [ 352.868039] (UM) [ 352.872704] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.875441] 2*32kB [ 352.879577] cache_grow_begin+0x91/0x8c0 [ 352.881612] (M) [ 352.887171] ? do_raw_spin_unlock+0xa7/0x330 [ 352.889382] 5*64kB [ 352.893454] fallback_alloc+0x203/0x2e0 [ 352.895400] (UM) 4*128kB [ 352.899814] ____cache_alloc_node+0x1c7/0x1e0 [ 352.902038] (UM) [ 352.906021] kmem_cache_alloc_node+0xe3/0x730 [ 352.908753] 3*256kB [ 352.913251] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 352.915559] (M) 4*512kB [ 352.920067] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 352.922366] (UM) [ 352.927471] __alloc_skb+0x119/0x770 [ 352.930113] 3*1024kB [ 352.934686] ? calc_wheel_index+0x220/0x220 [ 352.936723] (UM) [ 352.940431] ? skb_scrub_packet+0x490/0x490 [ 352.942826] 3*2048kB [ 352.947208] ? vprintk_default+0x28/0x30 [ 352.949241] (M) [ 352.953567] ? vprintk_func+0x85/0x181 [ 352.955958] 3*4096kB [ 352.960014] ? printk+0xa7/0xcf [ 352.961968] (M) [ 352.965876] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 352.968256] = 25284kB [ 352.968264] Node 0 [ 352.971570] new_skb+0x26/0x1c0 [ 352.973514] Normal: [ 352.978262] aoecmd_cfg+0x279/0x7f0 [ 352.980648] 888*4kB [ 352.982884] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 352.986136] (UMEH) [ 352.988459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 352.992088] 387*8kB [ 352.994407] ? check_preemption_disabled+0x48/0x280 [ 352.998697] (UME) [ 353.000928] ? check_preemption_disabled+0x48/0x280 [ 353.006443] 157*16kB [ 353.008792] ? __lock_is_held+0xb5/0x140 [ 353.013776] (UME) [ 353.015932] discover_timer+0x50/0x60 [ 353.020912] 53*32kB [ 353.023315] call_timer_fn+0x272/0x920 [ 353.027347] (UMEH) [ 353.029494] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 353.033271] 26*64kB [ 353.035589] ? process_timeout+0x40/0x40 [ 353.039452] (UMH) [ 353.041683] ? find_held_lock+0x36/0x1c0 [ 353.046501] 4*128kB [ 353.048869] ? __run_timers+0x7da/0xc70 [ 353.052908] (UMH) [ 353.055064] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.059114] 0*256kB [ 353.061430] ? _raw_spin_unlock_irq+0x27/0x80 [ 353.065386] 0*512kB [ 353.067530] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 353.071999] 1*1024kB [ 353.074315] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 353.078785] (H) [ 353.081104] ? trace_hardirqs_on+0xbd/0x310 [ 353.085924] 0*2048kB [ 353.088380] ? kasan_check_read+0x11/0x20 [ 353.092931] 0*4096kB [ 353.094899] ? __run_timers+0x7da/0xc70 [ 353.099197] = 14056kB [ 353.101604] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 353.105733] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 353.108139] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 353.112086] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 353.114483] __run_timers+0x7e5/0xc70 [ 353.119907] 147 total pagecache pages [ 353.128740] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 353.133553] 0 pages in swap cache [ 353.142131] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 353.145909] Swap cache stats: add 0, delete 0, find 0/0 [ 353.149697] ? graph_lock+0x170/0x170 [ 353.155039] Free swap = 0kB [ 353.158482] ? enqueue_hrtimer+0x1a5/0x560 [ 353.163478] Total swap = 0kB [ 353.168833] ? lock_release+0x970/0x970 [ 353.172608] 1965979 pages RAM [ 353.175616] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 353.179820] 0 pages HighMem/MovableOnly [ 353.179828] 342307 pages reserved [ 353.182843] ? find_held_lock+0x36/0x1c0 [ 353.186790] 0 pages cma reserved [ 353.189888] ? graph_lock+0x170/0x170 [ 353.195147] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 353.199021] ? pvclock_read_flags+0x160/0x160 [ 353.202540] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.206510] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.209849] ksoftirqd/0 cpuset= [ 353.213649] ? check_preemption_disabled+0x48/0x280 [ 353.220111] / [ 353.224606] ? __lock_is_held+0xb5/0x140 [ 353.234890] mems_allowed=0 [ 353.240421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.262866] ? check_preemption_disabled+0x48/0x280 [ 353.267891] run_timer_softirq+0x52/0xb0 [ 353.271956] ? rcu_read_lock_sched_held+0x108/0x120 [ 353.276976] __do_softirq+0x30c/0xb03 [ 353.280787] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 353.285899] ? pvclock_read_flags+0x160/0x160 [ 353.290397] ? lapic_next_event+0x5a/0x90 [ 353.294567] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.300111] ? check_preemption_disabled+0x48/0x280 [ 353.305130] ? check_preemption_disabled+0x48/0x280 [ 353.310159] ? kvm_clock_read+0x18/0x30 [ 353.314146] ? kvm_sched_clock_read+0x9/0x20 [ 353.318565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.324106] ? check_preemption_disabled+0x48/0x280 [ 353.329136] irq_exit+0x17f/0x1c0 [ 353.332601] smp_apic_timer_interrupt+0x1cb/0x760 [ 353.337441] ? smp_reschedule_interrupt+0x109/0x650 [ 353.342458] ? smp_call_function_single_interrupt+0x650/0x650 [ 353.348340] ? interrupt_entry+0xb5/0xf0 [ 353.352408] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.357422] ? trace_hardirqs_off_caller+0xbb/0x310 [ 353.362439] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.367283] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.372300] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.377319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.382858] ? check_preemption_disabled+0x48/0x280 [ 353.387875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.393424] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.398281] apic_timer_interrupt+0xf/0x20 [ 353.402509] [ 353.404750] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 353.409680] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 353.428595] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 353.436310] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 353.443582] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 353.450849] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 353.458116] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 353.465385] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 353.472699] skb_clone+0x1bb/0x500 [ 353.476240] ? finish_task_switch+0x1b4/0x910 [ 353.480734] ? skb_split+0x11e0/0x11e0 [ 353.484622] ? preempt_notifier_register+0x200/0x200 [ 353.489721] ? __switch_to_asm+0x34/0x70 [ 353.493778] ? __switch_to_asm+0x34/0x70 [ 353.497838] ? __switch_to_asm+0x40/0x70 [ 353.501896] ? __switch_to_asm+0x34/0x70 [ 353.505955] ? __switch_to_asm+0x40/0x70 [ 353.510013] ? __switch_to_asm+0x34/0x70 [ 353.514074] ? __switch_to_asm+0x40/0x70 [ 353.518135] ? __switch_to_asm+0x34/0x70 [ 353.522203] ? __switch_to_asm+0x34/0x70 [ 353.526262] ? __switch_to_asm+0x40/0x70 [ 353.530320] ? __switch_to_asm+0x34/0x70 [ 353.534391] bpf_clone_redirect+0xb9/0x490 [ 353.538629] ? __schedule+0x874/0x1ed0 [ 353.542526] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 353.547544] ? __sched_text_start+0x8/0x8 [ 353.551700] ? lockdep_hardirqs_on+0x421/0x5c0 [ 353.556285] ? retint_kernel+0x2d/0x2d [ 353.560180] ? trace_hardirqs_on_caller+0xc0/0x310 [ 353.565116] ? find_held_lock+0x36/0x1c0 [ 353.569192] ? lock_acquire+0x1ed/0x520 [ 353.573173] ? bpf_test_run+0x32e/0x5a0 [ 353.577152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.582702] ? check_preemption_disabled+0x48/0x280 [ 353.587723] ? kasan_check_read+0x11/0x20 [ 353.591872] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.597152] ? rcu_bh_qs+0xc0/0xc0 [ 353.600707] ? preempt_schedule+0x4d/0x60 [ 353.604857] ? ___preempt_schedule+0x16/0x18 [ 353.609278] ? bpf_test_run+0x1c0/0x5a0 [ 353.613283] ? netlink_diag_dump+0x2a0/0x2a0 [ 353.617694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.623227] ? bpf_test_init.isra.9+0x70/0x100 [ 353.627817] ? bpf_prog_test_run_skb+0x634/0xb40 [ 353.632580] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 353.637422] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 353.642965] ? fput+0x130/0x1a0 [ 353.646251] ? __bpf_prog_get+0x9b/0x290 [ 353.650315] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 353.655157] ? bpf_prog_test_run+0x130/0x1a0 [ 353.659583] ? __x64_sys_bpf+0x3d8/0x510 [ 353.663644] ? bpf_prog_get+0x20/0x20 [ 353.667466] ? do_syscall_64+0x1b9/0x820 [ 353.671531] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 353.676895] ? syscall_return_slowpath+0x5e0/0x5e0 [ 353.681828] ? trace_hardirqs_on_caller+0x310/0x310 [ 353.686847] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 353.691861] ? recalc_sigpending_tsk+0x180/0x180 [ 353.696622] ? kasan_check_write+0x14/0x20 [ 353.700868] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 353.705733] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 353.711118] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 353.711206] aoe: skb alloc failure [ 353.717970] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 353.717979] Call Trace: [ 353.721566] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 353.730858] dump_stack+0x1c4/0x2b6 [ 353.733419] syz-executor1 cpuset= [ 353.743903] ? dump_stack_print_info.cold.1+0x20/0x20 [ 353.747502] syz1 [ 353.750959] warn_alloc.cold.119+0xb7/0x1bd [ 353.756122] mems_allowed=0 [ 353.758088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 353.770142] ? lock_downgrade+0x900/0x900 [ 353.774312] ? trace_hardirqs_off+0xb8/0x310 [ 353.778731] ? trace_hardirqs_off+0xb8/0x310 [ 353.783152] __alloc_pages_slowpath+0x265e/0x2d70 [ 353.788035] ? warn_alloc+0x120/0x120 [ 353.791846] ? warn_alloc+0x120/0x120 [ 353.795651] ? print_usage_bug+0xc0/0xc0 [ 353.799715] ? warn_alloc+0x120/0x120 [ 353.803515] ? print_usage_bug+0xc0/0xc0 [ 353.807581] ? __lock_acquire+0x7ec/0x4ec0 [ 353.811812] ? __lock_acquire+0x7ec/0x4ec0 [ 353.816046] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.821586] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 353.827124] ? should_fail+0x22d/0xd01 [ 353.831016] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.836119] ? __lock_acquire+0x7ec/0x4ec0 [ 353.840371] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 353.845471] ? __lock_acquire+0x7ec/0x4ec0 [ 353.849705] ? should_fail+0x22d/0xd01 [ 353.853602] ? mark_held_locks+0x130/0x130 [ 353.857856] ? mark_held_locks+0x130/0x130 [ 353.862102] ? mark_held_locks+0xc7/0x130 [ 353.866268] ? print_usage_bug+0xc0/0xc0 [ 353.870335] ? graph_lock+0x170/0x170 [ 353.874133] ? print_usage_bug+0xc0/0xc0 [ 353.878207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.883748] ? check_preemption_disabled+0x48/0x280 [ 353.888762] ? check_preemption_disabled+0x48/0x280 [ 353.893787] ? __lock_is_held+0xb5/0x140 [ 353.897860] __alloc_pages_nodemask+0xa80/0xde0 [ 353.902528] ? graph_lock+0x170/0x170 [ 353.906336] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 353.911349] ? graph_lock+0x170/0x170 [ 353.915161] ? find_held_lock+0x36/0x1c0 [ 353.919242] ? ____cache_alloc_node+0x1c7/0x1e0 [ 353.923911] ? lock_downgrade+0x900/0x900 [ 353.928069] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.933617] cache_grow_begin+0x91/0x8c0 [ 353.937681] ? do_raw_spin_unlock+0xa7/0x330 [ 353.942102] fallback_alloc+0x203/0x2e0 [ 353.946085] ____cache_alloc_node+0x1c7/0x1e0 [ 353.950585] kmem_cache_alloc_node+0xe3/0x730 [ 353.955085] ? ipv6_get_ifaddr+0x42e/0x620 [ 353.959330] __alloc_skb+0x119/0x770 [ 353.963045] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 353.968346] ? skb_scrub_packet+0x490/0x490 [ 353.972668] ? lock_downgrade+0x900/0x900 [ 353.976822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 353.982362] ? refcount_sub_and_test_checked+0x203/0x310 [ 353.987819] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 353.993275] ? addrconf_rs_timer+0x690/0x690 [ 353.997696] ndisc_alloc_skb+0x144/0x340 [ 354.001769] ndisc_send_rs+0x331/0x6e0 [ 354.005664] addrconf_rs_timer+0x314/0x690 [ 354.009904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.014152] call_timer_fn+0x272/0x920 [ 354.018047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.022292] ? process_timeout+0x40/0x40 [ 354.026352] ? find_held_lock+0x36/0x1c0 [ 354.030424] ? __run_timers+0x7da/0xc70 [ 354.034403] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.038899] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.043392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.047626] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.052213] ? trace_hardirqs_on+0xbd/0x310 [ 354.056535] ? kasan_check_read+0x11/0x20 [ 354.060682] ? __run_timers+0x7da/0xc70 [ 354.064657] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.070115] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.074359] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 354.078592] __run_timers+0x7e5/0xc70 [ 354.082412] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 354.087785] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.092279] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.096779] ? lockdep_hardirqs_on+0x421/0x5c0 [ 354.101366] ? trace_hardirqs_on+0xbd/0x310 [ 354.105693] ? kasan_check_read+0x11/0x20 [ 354.109840] ? finish_task_switch+0x1f4/0x910 [ 354.114339] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.119788] ? compat_start_thread+0x80/0x80 [ 354.124202] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.129758] ? pvclock_read_flags+0x160/0x160 [ 354.134257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.139797] ? check_preemption_disabled+0x48/0x280 [ 354.144822] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 354.150377] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.155662] ? rcu_pm_notify+0xc0/0xc0 [ 354.159558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.165097] ? check_preemption_disabled+0x48/0x280 [ 354.170124] run_timer_softirq+0x52/0xb0 [ 354.174195] ? rcu_read_lock_sched_held+0x108/0x120 [ 354.179213] __do_softirq+0x30c/0xb03 [ 354.183025] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 354.188128] ? trace_hardirqs_off+0xb8/0x310 [ 354.192544] ? schedule+0x108/0x460 [ 354.196187] ? trace_hardirqs_off+0xb8/0x310 [ 354.200601] ? smpboot_thread_fn+0x68b/0xa00 [ 354.205009] ? trace_hardirqs_on+0x310/0x310 [ 354.209420] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.214965] ? check_preemption_disabled+0x48/0x280 [ 354.219988] ? takeover_tasklets+0xa90/0xa90 [ 354.224401] run_ksoftirqd+0x94/0x100 [ 354.228204] smpboot_thread_fn+0x68b/0xa00 [ 354.232449] ? sort_range+0x30/0x30 [ 354.236076] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 354.241199] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.246742] ? __kthread_parkme+0xfb/0x1a0 [ 354.250981] kthread+0x35a/0x420 [ 354.254346] ? sort_range+0x30/0x30 [ 354.257969] ? kthread_bind+0x40/0x40 [ 354.261774] ret_from_fork+0x3a/0x50 [ 354.265503] warn_alloc_show_mem: 1 callbacks suppressed [ 354.265515] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 354.265517] Mem-Info: [ 354.265550] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 354.265550] active_file:15 inactive_file:13 isolated_file:0 [ 354.265550] unevictable:0 dirty:0 writeback:0 unstable:0 [ 354.265550] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 354.265550] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 354.265550] free:13788 free_pcp:609 free_cma:0 [ 354.270887] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 354.278172] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 354.280573] Call Trace: [ 354.313446] Node 0 [ 354.322792] [ 354.350300] 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 [ 354.352866] dump_stack+0x1c4/0x2b6 [ 354.355072] lowmem_reserve[]: [ 354.357222] ? dump_stack_print_info.cold.1+0x20/0x20 [ 354.382692] 0 2819 [ 354.386331] warn_alloc.cold.119+0xb7/0x1bd [ 354.389405] 6323 [ 354.394584] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 354.396793] 6323 [ 354.401109] ? lock_downgrade+0x900/0x900 [ 354.403149] Node 0 [ 354.407997] ? trace_hardirqs_off+0xb8/0x310 [ 354.410055] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 354.414184] ? trace_hardirqs_off+0xb8/0x310 [ 354.416403] lowmem_reserve[]: [ 354.420812] __alloc_pages_slowpath+0x265e/0x2d70 [ 354.447675] 0 [ 354.452105] ? warn_alloc+0x120/0x120 [ 354.455156] 0 3503 [ 354.460005] ? pvclock_read_flags+0x160/0x160 [ 354.461782] 3503 [ 354.465574] ? warn_alloc+0x120/0x120 [ 354.472278] ? print_usage_bug+0xc0/0xc0 [ 354.474318] Node 0 [ 354.478108] ? warn_alloc+0x120/0x120 [ 354.482181] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 354.484391] ? kvm_clock_read+0x18/0x30 [ 354.488176] lowmem_reserve[]: [ 354.516538] ? print_usage_bug+0xc0/0xc0 [ 354.520489] 0 [ 354.523589] ? ktime_get+0x2e1/0x440 [ 354.527627] 0 [ 354.529424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.533119] 0 [ 354.534925] ? check_preemption_disabled+0x48/0x280 [ 354.540432] 0 [ 354.542230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 354.549017] ? should_fail+0x22d/0xd01 [ 354.554526] Node 0 [ 354.558403] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 354.558412] DMA: [ 354.560642] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.565897] 1*4kB [ 354.567952] ? __lock_acquire+0x7ec/0x4ec0 [ 354.573028] (U) [ 354.575182] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 354.579399] 0*8kB [ 354.581370] ? __lock_acquire+0x7ec/0x4ec0 [ 354.586453] 0*16kB [ 354.588595] ? should_fail+0x22d/0xd01 [ 354.592808] 1*32kB [ 354.595035] ? print_usage_bug+0xc0/0xc0 [ 354.598895] (U) [ 354.601132] ? mark_held_locks+0x130/0x130 [ 354.605176] 2*64kB [ 354.607151] ? mark_held_locks+0x130/0x130 [ 354.611368] (U) [ 354.613600] ? graph_lock+0x170/0x170 [ 354.617815] 1*128kB [ 354.619789] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 354.623560] (U) [ 354.625880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.630864] 1*256kB (U) [ 354.632848] ? check_preemption_disabled+0x48/0x280 [ 354.638359] 0*512kB [ 354.641024] ? check_preemption_disabled+0x48/0x280 [ 354.646013] 1*1024kB [ 354.648337] ? __lock_is_held+0xb5/0x140 [ 354.653318] (U) [ 354.655725] __alloc_pages_nodemask+0xa80/0xde0 [ 354.659758] 1*2048kB [ 354.661731] ? graph_lock+0x170/0x170 [ 354.666378] (M) [ 354.668782] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 354.672558] 3*4096kB [ 354.674524] ? graph_lock+0x170/0x170 [ 354.679516] (M) [ 354.681928] ? find_held_lock+0x36/0x1c0 [ 354.685695] = 15908kB [ 354.687673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 354.691706] Node 0 [ 354.694109] ? lock_downgrade+0x900/0x900 [ 354.698755] DMA32: [ 354.700988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.705107] 5*4kB [ 354.707339] cache_grow_begin+0x91/0x8c0 [ 354.712849] (UM) [ 354.714995] ? do_raw_spin_unlock+0xa7/0x330 [ 354.719032] 0*8kB [ 354.721094] fallback_alloc+0x203/0x2e0 [ 354.725474] 3*16kB [ 354.727618] ____cache_alloc_node+0x1c7/0x1e0 [ 354.731561] (UM) [ 354.733846] kmem_cache_alloc_node+0xe3/0x730 [ 354.738315] 2*32kB [ 354.740387] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 354.744860] (M) [ 354.747092] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.752174] 5*64kB [ 354.754146] __alloc_skb+0x119/0x770 [ 354.758719] (UM) 4*128kB [ 354.760967] ? calc_wheel_index+0x220/0x220 [ 354.764652] (UM) [ 354.767419] ? skb_scrub_packet+0x490/0x490 [ 354.771717] 3*256kB [ 354.773784] ? vprintk_default+0x28/0x30 [ 354.778071] (M) [ 354.780386] ? vprintk_func+0x85/0x181 [ 354.784645] 4*512kB (UM) [ 354.786631] ? printk+0xa7/0xcf [ 354.790495] 3*1024kB [ 354.793249] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 354.796503] (UM) [ 354.798912] new_skb+0x26/0x1c0 [ 354.803635] 3*2048kB [ 354.805692] aoecmd_cfg+0x279/0x7f0 [ 354.808950] (M) [ 354.811359] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 354.814959] 3*4096kB [ 354.816934] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 354.821230] (M) [ 354.823638] ? check_preemption_disabled+0x48/0x280 [ 354.829147] = 25284kB [ 354.831125] ? check_preemption_disabled+0x48/0x280 [ 354.836113] Node 0 [ 354.838522] ? __lock_is_held+0xb5/0x140 [ 354.843501] Normal: 888*4kB [ 354.845746] discover_timer+0x50/0x60 [ 354.849774] (UMEH) [ 354.852785] call_timer_fn+0x272/0x920 [ 354.856560] 387*8kB [ 354.858790] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 354.862648] (UME) [ 354.864967] ? process_timeout+0x40/0x40 [ 354.869795] 157*16kB [ 354.871947] ? find_held_lock+0x36/0x1c0 [ 354.875976] (UME) [ 354.878388] ? __run_timers+0x7da/0xc70 [ 354.882413] 53*32kB (UMEH) [ 354.884568] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.888514] 26*64kB (UMH) [ 354.891444] ? _raw_spin_unlock_irq+0x27/0x80 [ 354.895925] 4*128kB [ 354.898768] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 354.903233] (UMH) [ 354.905549] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 354.910364] 0*256kB [ 354.912520] ? trace_hardirqs_on+0xbd/0x310 [ 354.917308] 0*512kB 1*1024kB [ 354.919650] ? kasan_check_read+0x11/0x20 [ 354.923943] (H) [ 354.927043] ? __run_timers+0x7da/0xc70 [ 354.931171] 0*2048kB [ 354.933144] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 354.937095] 0*4096kB [ 354.939512] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 354.944929] = 14056kB [ 354.947342] __run_timers+0x7e5/0xc70 [ 354.952171] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 354.954578] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 354.958351] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 354.967511] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 354.972851] 147 total pagecache pages [ 354.981421] ? graph_lock+0x170/0x170 [ 354.986426] 0 pages in swap cache [ 354.990215] ? enqueue_hrtimer+0x1a5/0x560 [ 354.993994] Swap cache stats: add 0, delete 0, find 0/0 [ 354.997436] ? lock_release+0x970/0x970 [ 355.001649] Free swap = 0kB [ 355.007008] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 355.010958] Total swap = 0kB [ 355.013972] ? find_held_lock+0x36/0x1c0 [ 355.019135] 1965979 pages RAM [ 355.022146] ? graph_lock+0x170/0x170 [ 355.026188] 0 pages HighMem/MovableOnly [ 355.029290] ? pvclock_read_flags+0x160/0x160 [ 355.033061] 342307 pages reserved [ 355.033069] 0 pages cma reserved [ 355.037037] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.041579] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 355.044953] ? check_preemption_disabled+0x48/0x280 [ 355.048355] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.053827] ? __lock_is_held+0xb5/0x140 [ 355.060287] ksoftirqd/0 cpuset= [ 355.065302] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.075588] / [ 355.079645] ? check_preemption_disabled+0x48/0x280 [ 355.082899] mems_allowed=0 [ 355.088434] run_timer_softirq+0x52/0xb0 [ 355.102097] ? rcu_read_lock_sched_held+0x108/0x120 [ 355.107120] __do_softirq+0x30c/0xb03 [ 355.110940] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 355.116049] ? pvclock_read_flags+0x160/0x160 [ 355.120543] ? lapic_next_event+0x5a/0x90 [ 355.124692] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.130245] ? check_preemption_disabled+0x48/0x280 [ 355.135264] ? check_preemption_disabled+0x48/0x280 [ 355.140288] ? kvm_clock_read+0x18/0x30 [ 355.144263] ? kvm_sched_clock_read+0x9/0x20 [ 355.148675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.154216] ? check_preemption_disabled+0x48/0x280 [ 355.159248] irq_exit+0x17f/0x1c0 [ 355.162704] smp_apic_timer_interrupt+0x1cb/0x760 [ 355.167549] ? smp_reschedule_interrupt+0x109/0x650 [ 355.172568] ? smp_call_function_single_interrupt+0x650/0x650 [ 355.178451] ? interrupt_entry+0xb5/0xf0 [ 355.182514] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.187530] ? trace_hardirqs_off_caller+0xbb/0x310 [ 355.192547] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.197390] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.202405] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.207423] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.212967] ? check_preemption_disabled+0x48/0x280 [ 355.217997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.223548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.228403] apic_timer_interrupt+0xf/0x20 [ 355.232639] [ 355.234878] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 355.239807] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 355.258717] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 355.266431] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 355.273699] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 355.280977] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 355.288242] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 355.295512] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 355.302829] skb_clone+0x1bb/0x500 [ 355.306370] ? finish_task_switch+0x1b4/0x910 [ 355.310897] ? skb_split+0x11e0/0x11e0 [ 355.314797] ? preempt_notifier_register+0x200/0x200 [ 355.319910] ? __switch_to_asm+0x34/0x70 [ 355.323980] ? __switch_to_asm+0x34/0x70 [ 355.328040] ? __switch_to_asm+0x40/0x70 [ 355.332096] ? __switch_to_asm+0x34/0x70 [ 355.336157] ? __switch_to_asm+0x40/0x70 [ 355.340238] ? __switch_to_asm+0x34/0x70 [ 355.344299] ? __switch_to_asm+0x40/0x70 [ 355.348361] ? __switch_to_asm+0x34/0x70 [ 355.352453] ? __switch_to_asm+0x34/0x70 [ 355.356516] ? __switch_to_asm+0x40/0x70 [ 355.360573] ? __switch_to_asm+0x34/0x70 [ 355.364648] bpf_clone_redirect+0xb9/0x490 [ 355.368900] ? __schedule+0x874/0x1ed0 [ 355.372795] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 355.377815] ? __sched_text_start+0x8/0x8 [ 355.381969] ? lockdep_hardirqs_on+0x421/0x5c0 [ 355.386549] ? retint_kernel+0x2d/0x2d [ 355.390439] ? trace_hardirqs_on_caller+0xc0/0x310 [ 355.395373] ? find_held_lock+0x36/0x1c0 [ 355.399444] ? lock_acquire+0x1ed/0x520 [ 355.403419] ? bpf_test_run+0x32e/0x5a0 [ 355.407397] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.412949] ? check_preemption_disabled+0x48/0x280 [ 355.417985] ? kasan_check_read+0x11/0x20 [ 355.422137] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.427422] ? rcu_bh_qs+0xc0/0xc0 [ 355.430969] ? preempt_schedule+0x4d/0x60 [ 355.435122] ? ___preempt_schedule+0x16/0x18 [ 355.439546] ? bpf_test_run+0x1c0/0x5a0 [ 355.443539] ? netlink_diag_dump+0x2a0/0x2a0 [ 355.447971] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.453510] ? bpf_test_init.isra.9+0x70/0x100 [ 355.458096] ? bpf_prog_test_run_skb+0x634/0xb40 [ 355.462862] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.467704] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 355.473237] ? fput+0x130/0x1a0 [ 355.476523] ? __bpf_prog_get+0x9b/0x290 [ 355.480589] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 355.485433] ? bpf_prog_test_run+0x130/0x1a0 [ 355.489856] ? __x64_sys_bpf+0x3d8/0x510 [ 355.493920] ? bpf_prog_get+0x20/0x20 [ 355.497750] ? do_syscall_64+0x1b9/0x820 [ 355.501811] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 355.507184] ? syscall_return_slowpath+0x5e0/0x5e0 [ 355.512120] ? trace_hardirqs_on_caller+0x310/0x310 [ 355.517160] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 355.522213] ? recalc_sigpending_tsk+0x180/0x180 [ 355.526972] ? kasan_check_write+0x14/0x20 [ 355.531217] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 355.536070] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 355.541453] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 355.541524] aoe: skb alloc failure [ 355.548211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 355.548220] Call Trace: [ 355.551811] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 355.561105] dump_stack+0x1c4/0x2b6 [ 355.563666] syz-executor1 cpuset= [ 355.574158] ? dump_stack_print_info.cold.1+0x20/0x20 [ 355.577760] syz1 [ 355.581220] warn_alloc.cold.119+0xb7/0x1bd [ 355.586378] mems_allowed=0 [ 355.588348] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 355.600667] ? lock_downgrade+0x900/0x900 [ 355.604829] ? trace_hardirqs_off+0xb8/0x310 [ 355.609250] ? trace_hardirqs_off+0xb8/0x310 [ 355.613675] __alloc_pages_slowpath+0x265e/0x2d70 [ 355.618551] ? warn_alloc+0x120/0x120 [ 355.622361] ? warn_alloc+0x120/0x120 [ 355.626172] ? print_usage_bug+0xc0/0xc0 [ 355.630235] ? warn_alloc+0x120/0x120 [ 355.634043] ? print_usage_bug+0xc0/0xc0 [ 355.638110] ? __lock_acquire+0x7ec/0x4ec0 [ 355.642363] ? __lock_acquire+0x7ec/0x4ec0 [ 355.646607] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.652149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 355.657693] ? should_fail+0x22d/0xd01 [ 355.661590] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.666692] ? __lock_acquire+0x7ec/0x4ec0 [ 355.670932] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 355.676032] ? __lock_acquire+0x7ec/0x4ec0 [ 355.680263] ? should_fail+0x22d/0xd01 [ 355.684186] ? mark_held_locks+0x130/0x130 [ 355.688426] ? mark_held_locks+0x130/0x130 [ 355.692670] ? graph_lock+0x170/0x170 [ 355.696476] ? print_usage_bug+0xc0/0xc0 [ 355.700542] ? graph_lock+0x170/0x170 [ 355.704345] ? print_usage_bug+0xc0/0xc0 [ 355.708413] ? wq_watchdog_touch+0x9c/0xfe [ 355.712656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.718205] ? check_preemption_disabled+0x48/0x280 [ 355.723220] ? check_preemption_disabled+0x48/0x280 [ 355.728248] ? __lock_is_held+0xb5/0x140 [ 355.732321] __alloc_pages_nodemask+0xa80/0xde0 [ 355.736994] ? graph_lock+0x170/0x170 [ 355.740806] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 355.745830] ? graph_lock+0x170/0x170 [ 355.749644] ? find_held_lock+0x36/0x1c0 [ 355.753716] ? ____cache_alloc_node+0x1c7/0x1e0 [ 355.758387] ? lock_downgrade+0x900/0x900 [ 355.762544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.768092] cache_grow_begin+0x91/0x8c0 [ 355.772180] ? do_raw_spin_unlock+0xa7/0x330 [ 355.776603] fallback_alloc+0x203/0x2e0 [ 355.780584] ____cache_alloc_node+0x1c7/0x1e0 [ 355.785089] kmem_cache_alloc_node+0xe3/0x730 [ 355.789588] ? ipv6_get_ifaddr+0x42e/0x620 [ 355.793845] __alloc_skb+0x119/0x770 [ 355.797562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.802843] ? skb_scrub_packet+0x490/0x490 [ 355.807181] ? lock_downgrade+0x900/0x900 [ 355.811352] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.816892] ? refcount_sub_and_test_checked+0x203/0x310 [ 355.822350] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 355.827804] ? addrconf_rs_timer+0x690/0x690 [ 355.832226] ndisc_alloc_skb+0x144/0x340 [ 355.836297] ndisc_send_rs+0x331/0x6e0 [ 355.840200] addrconf_rs_timer+0x314/0x690 [ 355.844451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.848700] call_timer_fn+0x272/0x920 [ 355.852587] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.856830] ? process_timeout+0x40/0x40 [ 355.860892] ? find_held_lock+0x36/0x1c0 [ 355.864967] ? __run_timers+0x7da/0xc70 [ 355.868947] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.873447] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.877947] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.882198] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 355.886786] ? trace_hardirqs_on+0xbd/0x310 [ 355.891109] ? kasan_check_read+0x11/0x20 [ 355.895261] ? __run_timers+0x7da/0xc70 [ 355.899240] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.904698] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.908941] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 355.913188] __run_timers+0x7e5/0xc70 [ 355.917007] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 355.922376] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.926871] ? _raw_spin_unlock_irq+0x27/0x80 [ 355.931367] ? lockdep_hardirqs_on+0x421/0x5c0 [ 355.935951] ? trace_hardirqs_on+0xbd/0x310 [ 355.940276] ? kasan_check_read+0x11/0x20 [ 355.944429] ? finish_task_switch+0x1f4/0x910 [ 355.948938] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 355.954393] ? compat_start_thread+0x80/0x80 [ 355.958804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.964355] ? pvclock_read_flags+0x160/0x160 [ 355.968851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.974391] ? check_preemption_disabled+0x48/0x280 [ 355.979412] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 355.984950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 355.990241] ? rcu_pm_notify+0xc0/0xc0 [ 355.994131] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 355.999680] ? check_preemption_disabled+0x48/0x280 [ 356.004704] run_timer_softirq+0x52/0xb0 [ 356.008766] ? rcu_read_lock_sched_held+0x108/0x120 [ 356.013795] __do_softirq+0x30c/0xb03 [ 356.017609] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 356.022713] ? trace_hardirqs_off+0xb8/0x310 [ 356.027137] ? schedule+0x108/0x460 [ 356.030781] ? trace_hardirqs_off+0xb8/0x310 [ 356.035197] ? smpboot_thread_fn+0x68b/0xa00 [ 356.039610] ? trace_hardirqs_on+0x310/0x310 [ 356.044022] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.049565] ? check_preemption_disabled+0x48/0x280 [ 356.054585] ? takeover_tasklets+0xa90/0xa90 [ 356.059006] run_ksoftirqd+0x94/0x100 [ 356.062814] smpboot_thread_fn+0x68b/0xa00 [ 356.067051] ? sort_range+0x30/0x30 [ 356.070678] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 356.075784] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.081325] ? __kthread_parkme+0xfb/0x1a0 [ 356.085567] kthread+0x35a/0x420 [ 356.088936] ? sort_range+0x30/0x30 [ 356.092560] ? kthread_bind+0x40/0x40 [ 356.096362] ret_from_fork+0x3a/0x50 [ 356.100097] warn_alloc_show_mem: 1 callbacks suppressed [ 356.100110] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 356.100111] Mem-Info: [ 356.100142] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 356.100142] active_file:15 inactive_file:13 isolated_file:0 [ 356.100142] unevictable:0 dirty:0 writeback:0 unstable:0 [ 356.100142] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 356.100142] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 356.100142] free:13788 free_pcp:609 free_cma:0 [ 356.105504] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 356.112790] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 356.115195] Call Trace: [ 356.148075] Node 0 [ 356.157428] [ 356.184948] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 356.187517] dump_stack+0x1c4/0x2b6 [ 356.189722] lowmem_reserve[]: [ 356.191873] ? dump_stack_print_info.cold.1+0x20/0x20 [ 356.217348] 0 2819 [ 356.221087] warn_alloc.cold.119+0xb7/0x1bd [ 356.224154] 6323 [ 356.229342] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 356.231552] 6323 [ 356.235866] ? lock_downgrade+0x900/0x900 [ 356.242745] ? trace_hardirqs_off+0xb8/0x310 [ 356.244783] Node 0 [ 356.248927] ? trace_hardirqs_off+0xb8/0x310 [ 356.253333] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 356.255546] __alloc_pages_slowpath+0x265e/0x2d70 [ 356.259921] lowmem_reserve[]: [ 356.286860] ? warn_alloc+0x120/0x120 [ 356.291652] 0 [ 356.294749] ? pvclock_read_flags+0x160/0x160 [ 356.298521] 0 [ 356.300320] ? warn_alloc+0x120/0x120 [ 356.304789] 3503 [ 356.306587] ? print_usage_bug+0xc0/0xc0 [ 356.310359] 3503 [ 356.312413] ? warn_alloc+0x120/0x120 [ 356.318506] ? kvm_clock_read+0x18/0x30 [ 356.322280] Node 0 [ 356.326247] ? print_usage_bug+0xc0/0xc0 [ 356.326278] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 356.326285] lowmem_reserve[]: [ 356.328517] ? ktime_get+0x2e1/0x440 [ 356.332554] 0 [ 356.360925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.363999] 0 0 [ 356.367717] ? check_preemption_disabled+0x48/0x280 [ 356.369490] 0 [ 356.375023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 356.381987] ? should_fail+0x22d/0xd01 [ 356.383764] Node 0 [ 356.389299] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 356.393169] DMA: [ 356.395401] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.400656] 1*4kB [ 356.402711] ? __lock_acquire+0x7ec/0x4ec0 [ 356.407787] (U) [ 356.409930] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 356.414148] 0*8kB [ 356.416130] ? __lock_acquire+0x7ec/0x4ec0 [ 356.421207] 0*16kB [ 356.423349] ? should_fail+0x22d/0xd01 [ 356.427560] 1*32kB [ 356.429795] ? print_usage_bug+0xc0/0xc0 [ 356.433668] (U) [ 356.435901] ? mark_held_locks+0x130/0x130 [ 356.439933] 2*64kB [ 356.441908] ? mark_held_locks+0x130/0x130 [ 356.446120] (U) [ 356.448354] ? graph_lock+0x170/0x170 [ 356.452558] 1*128kB [ 356.454529] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 356.458305] (U) [ 356.460622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.465612] 1*256kB [ 356.467581] ? check_preemption_disabled+0x48/0x280 [ 356.473086] (U) [ 356.475406] ? check_preemption_disabled+0x48/0x280 [ 356.480400] 0*512kB [ 356.482375] ? __lock_is_held+0xb5/0x140 [ 356.487358] 1*1024kB [ 356.489676] __alloc_pages_nodemask+0xa80/0xde0 [ 356.493705] (U) [ 356.496110] ? graph_lock+0x170/0x170 [ 356.500753] 1*2048kB [ 356.502728] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 356.506498] (M) [ 356.508898] ? graph_lock+0x170/0x170 [ 356.513892] 3*4096kB [ 356.515870] ? find_held_lock+0x36/0x1c0 [ 356.519636] (M) [ 356.522047] ? ____cache_alloc_node+0x1c7/0x1e0 [ 356.526077] = 15908kB [ 356.528050] ? lock_downgrade+0x900/0x900 [ 356.532693] Node 0 [ 356.535101] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.539218] DMA32: [ 356.541448] cache_grow_begin+0x91/0x8c0 [ 356.546960] 5*4kB [ 356.549201] ? do_raw_spin_unlock+0xa7/0x330 [ 356.553233] (UM) [ 356.555382] fallback_alloc+0x203/0x2e0 [ 356.559756] 0*8kB 3*16kB [ 356.561826] ____cache_alloc_node+0x1c7/0x1e0 [ 356.565773] (UM) [ 356.568527] kmem_cache_alloc_node+0xe3/0x730 [ 356.572993] 2*32kB [ 356.575053] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 356.579520] (M) [ 356.581750] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 356.586824] 5*64kB [ 356.588798] __alloc_skb+0x119/0x770 [ 356.593348] (UM) [ 356.595578] ? calc_wheel_index+0x220/0x220 [ 356.599264] 4*128kB [ 356.601335] ? skb_scrub_packet+0x490/0x490 [ 356.605632] (UM) 3*256kB [ 356.607976] ? vprintk_default+0x28/0x30 [ 356.612260] (M) [ 356.615008] ? vprintk_func+0x85/0x181 [ 356.619047] 4*512kB [ 356.621013] ? printk+0xa7/0xcf [ 356.624874] (UM) [ 356.627205] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 356.630460] 3*1024kB [ 356.632522] new_skb+0x26/0x1c0 [ 356.637258] (UM) [ 356.639671] aoecmd_cfg+0x279/0x7f0 [ 356.642928] 3*2048kB [ 356.644990] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 356.648605] (M) [ 356.651014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.655313] 3*4096kB [ 356.657295] ? check_preemption_disabled+0x48/0x280 [ 356.662801] (M) [ 356.665205] ? check_preemption_disabled+0x48/0x280 [ 356.670195] = 25284kB [ 356.672180] ? __lock_is_held+0xb5/0x140 [ 356.677160] Node 0 [ 356.679578] discover_timer+0x50/0x60 [ 356.683596] Normal: 888*4kB [ 356.685843] call_timer_fn+0x272/0x920 [ 356.689618] (UMEH) [ 356.692642] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.696498] 387*8kB [ 356.698732] ? process_timeout+0x40/0x40 [ 356.703554] (UME) [ 356.705870] ? find_held_lock+0x36/0x1c0 [ 356.709906] 157*16kB [ 356.712054] ? __run_timers+0x7da/0xc70 [ 356.716087] (UME) [ 356.718492] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.722442] 53*32kB [ 356.724592] ? _raw_spin_unlock_irq+0x27/0x80 [ 356.729062] (UMEH) [ 356.731380] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.735845] 26*64kB [ 356.738078] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 356.742895] (UMH) [ 356.745213] ? trace_hardirqs_on+0xbd/0x310 [ 356.749767] 4*128kB (UMH) [ 356.751925] ? kasan_check_read+0x11/0x20 [ 356.756222] 0*256kB [ 356.759064] ? __run_timers+0x7da/0xc70 [ 356.763195] 0*512kB [ 356.765517] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 356.769468] 1*1024kB [ 356.771799] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 356.777214] (H) [ 356.779622] __run_timers+0x7e5/0xc70 [ 356.784654] 0*2048kB 0*4096kB [ 356.786653] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 356.790417] = 14056kB [ 356.793606] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 356.798946] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 356.798959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 356.801357] ? graph_lock+0x170/0x170 [ 356.806350] 147 total pagecache pages [ 356.815208] ? enqueue_hrtimer+0x1a5/0x560 [ 356.823765] 0 pages in swap cache [ 356.827556] ? lock_release+0x970/0x970 [ 356.827571] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 356.831351] Swap cache stats: add 0, delete 0, find 0/0 [ 356.831360] Free swap = 0kB [ 356.835588] ? find_held_lock+0x36/0x1c0 [ 356.839019] Total swap = 0kB [ 356.842982] ? graph_lock+0x170/0x170 [ 356.848146] 1965979 pages RAM [ 356.853507] ? pvclock_read_flags+0x160/0x160 [ 356.856493] 0 pages HighMem/MovableOnly [ 356.856502] 342307 pages reserved [ 356.860554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.863545] 0 pages cma reserved [ 356.867347] ? check_preemption_disabled+0x48/0x280 [ 356.870499] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 356.874916] ? __lock_is_held+0xb5/0x140 [ 356.874932] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.874952] ? check_preemption_disabled+0x48/0x280 [ 356.878960] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 356.882357] run_timer_softirq+0x52/0xb0 [ 356.887873] ksoftirqd/0 cpuset= [ 356.891245] ? rcu_read_lock_sched_held+0x108/0x120 [ 356.896232] / [ 356.902720] __do_softirq+0x30c/0xb03 [ 356.906759] mems_allowed=0 [ 356.912292] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 356.953606] ? pvclock_read_flags+0x160/0x160 [ 356.958109] ? lapic_next_event+0x5a/0x90 [ 356.962262] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.967801] ? check_preemption_disabled+0x48/0x280 [ 356.972816] ? check_preemption_disabled+0x48/0x280 [ 356.977841] ? kvm_clock_read+0x18/0x30 [ 356.981813] ? kvm_sched_clock_read+0x9/0x20 [ 356.986227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 356.991768] ? check_preemption_disabled+0x48/0x280 [ 356.996798] irq_exit+0x17f/0x1c0 [ 357.000262] smp_apic_timer_interrupt+0x1cb/0x760 [ 357.005108] ? smp_reschedule_interrupt+0x109/0x650 [ 357.010127] ? smp_call_function_single_interrupt+0x650/0x650 [ 357.016012] ? interrupt_entry+0xb5/0xf0 [ 357.020073] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.025088] ? trace_hardirqs_off_caller+0xbb/0x310 [ 357.030104] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.034953] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.039968] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.044985] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.050523] ? check_preemption_disabled+0x48/0x280 [ 357.055551] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.061095] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.065954] apic_timer_interrupt+0xf/0x20 [ 357.070186] [ 357.072425] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 357.077358] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 357.096258] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 357.103968] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 357.111236] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 357.118500] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 357.125764] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 357.133030] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 357.140343] skb_clone+0x1bb/0x500 [ 357.143887] ? finish_task_switch+0x1b4/0x910 [ 357.148385] ? skb_split+0x11e0/0x11e0 [ 357.152279] ? preempt_notifier_register+0x200/0x200 [ 357.157383] ? __switch_to_asm+0x34/0x70 [ 357.161439] ? __switch_to_asm+0x34/0x70 [ 357.165503] ? __switch_to_asm+0x40/0x70 [ 357.169562] ? __switch_to_asm+0x34/0x70 [ 357.173618] ? __switch_to_asm+0x40/0x70 [ 357.177686] ? __switch_to_asm+0x34/0x70 [ 357.181745] ? __switch_to_asm+0x40/0x70 [ 357.185804] ? __switch_to_asm+0x34/0x70 [ 357.189863] ? __switch_to_asm+0x34/0x70 [ 357.193919] ? __switch_to_asm+0x40/0x70 [ 357.197979] ? __switch_to_asm+0x34/0x70 [ 357.202047] bpf_clone_redirect+0xb9/0x490 [ 357.206293] ? __schedule+0x874/0x1ed0 [ 357.210196] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 357.215223] ? __sched_text_start+0x8/0x8 [ 357.219379] ? lockdep_hardirqs_on+0x421/0x5c0 [ 357.223961] ? retint_kernel+0x2d/0x2d [ 357.227853] ? trace_hardirqs_on_caller+0xc0/0x310 [ 357.232792] ? find_held_lock+0x36/0x1c0 [ 357.236859] ? lock_acquire+0x1ed/0x520 [ 357.240850] ? bpf_test_run+0x32e/0x5a0 [ 357.244833] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.250371] ? check_preemption_disabled+0x48/0x280 [ 357.255399] ? kasan_check_read+0x11/0x20 [ 357.259549] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.264825] ? rcu_bh_qs+0xc0/0xc0 [ 357.268372] ? preempt_schedule+0x4d/0x60 [ 357.272526] ? ___preempt_schedule+0x16/0x18 [ 357.276946] ? bpf_test_run+0x1c0/0x5a0 [ 357.280942] ? netlink_diag_dump+0x2a0/0x2a0 [ 357.285357] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.290895] ? bpf_test_init.isra.9+0x70/0x100 [ 357.295487] ? bpf_prog_test_run_skb+0x634/0xb40 [ 357.300257] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 357.305097] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 357.310631] ? fput+0x130/0x1a0 [ 357.313915] ? __bpf_prog_get+0x9b/0x290 [ 357.317983] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 357.322834] ? bpf_prog_test_run+0x130/0x1a0 [ 357.327245] ? __x64_sys_bpf+0x3d8/0x510 [ 357.331308] ? bpf_prog_get+0x20/0x20 [ 357.335135] ? do_syscall_64+0x1b9/0x820 [ 357.339206] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 357.344579] ? syscall_return_slowpath+0x5e0/0x5e0 [ 357.349512] ? trace_hardirqs_on_caller+0x310/0x310 [ 357.354530] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 357.359546] ? recalc_sigpending_tsk+0x180/0x180 [ 357.364304] ? kasan_check_write+0x14/0x20 [ 357.368548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 357.373400] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 357.378781] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 357.378853] aoe: skb alloc failure [ 357.385533] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.385538] Call Trace: [ 357.385561] dump_stack+0x1c4/0x2b6 [ 357.385582] ? dump_stack_print_info.cold.1+0x20/0x20 [ 357.389135] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 357.398472] warn_alloc.cold.119+0xb7/0x1bd [ 357.401022] syz-executor1 cpuset= [ 357.404642] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 357.409804] syz1 [ 357.420374] ? lock_downgrade+0x900/0x900 [ 357.424670] mems_allowed=0 [ 357.428121] ? trace_hardirqs_off+0xb8/0x310 [ 357.446341] ? trace_hardirqs_off+0xb8/0x310 [ 357.450761] __alloc_pages_slowpath+0x265e/0x2d70 [ 357.455640] ? warn_alloc+0x120/0x120 [ 357.459453] ? warn_alloc+0x120/0x120 [ 357.463258] ? print_usage_bug+0xc0/0xc0 [ 357.467319] ? warn_alloc+0x120/0x120 [ 357.471120] ? print_usage_bug+0xc0/0xc0 [ 357.475193] ? __lock_acquire+0x7ec/0x4ec0 [ 357.479431] ? __lock_acquire+0x7ec/0x4ec0 [ 357.483677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.489218] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.494758] ? should_fail+0x22d/0xd01 [ 357.498653] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.503756] ? __lock_acquire+0x7ec/0x4ec0 [ 357.507994] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 357.513097] ? __lock_acquire+0x7ec/0x4ec0 [ 357.517330] ? should_fail+0x22d/0xd01 [ 357.521233] ? mark_held_locks+0x130/0x130 [ 357.525472] ? mark_held_locks+0x130/0x130 [ 357.529711] ? graph_lock+0x170/0x170 [ 357.533515] ? print_usage_bug+0xc0/0xc0 [ 357.537573] ? graph_lock+0x170/0x170 [ 357.541373] ? print_usage_bug+0xc0/0xc0 [ 357.545442] ? wq_watchdog_touch+0x9c/0xfe [ 357.549678] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.555218] ? check_preemption_disabled+0x48/0x280 [ 357.560236] ? check_preemption_disabled+0x48/0x280 [ 357.565271] ? __lock_is_held+0xb5/0x140 [ 357.569341] __alloc_pages_nodemask+0xa80/0xde0 [ 357.574012] ? graph_lock+0x170/0x170 [ 357.577822] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 357.582834] ? graph_lock+0x170/0x170 [ 357.586647] ? find_held_lock+0x36/0x1c0 [ 357.590746] ? ____cache_alloc_node+0x1c7/0x1e0 [ 357.595443] ? lock_downgrade+0x900/0x900 [ 357.599602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.605149] cache_grow_begin+0x91/0x8c0 [ 357.609226] ? do_raw_spin_unlock+0xa7/0x330 [ 357.613645] fallback_alloc+0x203/0x2e0 [ 357.617629] ____cache_alloc_node+0x1c7/0x1e0 [ 357.622135] kmem_cache_alloc_node+0xe3/0x730 [ 357.626641] ? ipv6_get_ifaddr+0x42e/0x620 [ 357.630884] __alloc_skb+0x119/0x770 [ 357.634598] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.639877] ? skb_scrub_packet+0x490/0x490 [ 357.644210] ? lock_downgrade+0x900/0x900 [ 357.648377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.653920] ? refcount_sub_and_test_checked+0x203/0x310 [ 357.659376] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 357.664832] ? addrconf_rs_timer+0x690/0x690 [ 357.669255] ndisc_alloc_skb+0x144/0x340 [ 357.673322] ndisc_send_rs+0x331/0x6e0 [ 357.677222] addrconf_rs_timer+0x314/0x690 [ 357.681472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.685720] call_timer_fn+0x272/0x920 [ 357.689605] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.693844] ? process_timeout+0x40/0x40 [ 357.697901] ? find_held_lock+0x36/0x1c0 [ 357.701971] ? __run_timers+0x7da/0xc70 [ 357.705949] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.710449] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.714944] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.719187] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 357.723783] ? trace_hardirqs_on+0xbd/0x310 [ 357.728120] ? kasan_check_read+0x11/0x20 [ 357.732269] ? __run_timers+0x7da/0xc70 [ 357.736270] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.741733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.745976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 357.750211] __run_timers+0x7e5/0xc70 [ 357.754029] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 357.759397] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.763893] ? _raw_spin_unlock_irq+0x27/0x80 [ 357.768393] ? lockdep_hardirqs_on+0x421/0x5c0 [ 357.772981] ? trace_hardirqs_on+0xbd/0x310 [ 357.777307] ? kasan_check_read+0x11/0x20 [ 357.781459] ? finish_task_switch+0x1f4/0x910 [ 357.785960] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 357.791411] ? compat_start_thread+0x80/0x80 [ 357.795830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.801384] ? pvclock_read_flags+0x160/0x160 [ 357.805880] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.811422] ? check_preemption_disabled+0x48/0x280 [ 357.816461] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 357.821999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 357.827279] ? rcu_pm_notify+0xc0/0xc0 [ 357.831175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 357.836714] ? check_preemption_disabled+0x48/0x280 [ 357.841741] run_timer_softirq+0x52/0xb0 [ 357.845806] ? rcu_read_lock_sched_held+0x108/0x120 [ 357.850823] __do_softirq+0x30c/0xb03 [ 357.854642] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 357.859745] ? trace_hardirqs_off+0xb8/0x310 [ 357.864160] ? schedule+0x108/0x460 [ 357.867813] ? trace_hardirqs_off+0xb8/0x310 [ 357.872224] ? smpboot_thread_fn+0x68b/0xa00 [ 357.876634] ? trace_hardirqs_on+0x310/0x310 [ 357.881050] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.886590] ? check_preemption_disabled+0x48/0x280 [ 357.891629] ? takeover_tasklets+0xa90/0xa90 [ 357.896054] run_ksoftirqd+0x94/0x100 [ 357.899859] smpboot_thread_fn+0x68b/0xa00 [ 357.904097] ? sort_range+0x30/0x30 [ 357.907738] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 357.912843] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 357.918381] ? __kthread_parkme+0xfb/0x1a0 [ 357.922622] kthread+0x35a/0x420 [ 357.925989] ? sort_range+0x30/0x30 [ 357.929615] ? kthread_bind+0x40/0x40 [ 357.933424] ret_from_fork+0x3a/0x50 [ 357.937188] warn_alloc_show_mem: 1 callbacks suppressed [ 357.937200] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 357.937202] Mem-Info: [ 357.937233] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 357.937233] active_file:15 inactive_file:13 isolated_file:0 [ 357.937233] unevictable:0 dirty:0 writeback:0 unstable:0 [ 357.937233] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 357.937233] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 357.937233] free:13788 free_pcp:609 free_cma:0 [ 357.942563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 357.942572] Call Trace: [ 357.949852] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 357.952249] [ 357.985117] Node 0 [ 357.994476] dump_stack+0x1c4/0x2b6 [ 357.997051] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 358.024522] ? dump_stack_print_info.cold.1+0x20/0x20 [ 358.026644] lowmem_reserve[]: [ 358.028883] warn_alloc.cold.119+0xb7/0x1bd [ 358.032476] 0 [ 358.057977] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 358.063138] 2819 [ 358.066252] ? lock_downgrade+0x900/0x900 [ 358.070548] 6323 [ 358.072353] ? trace_hardirqs_off+0xb8/0x310 [ 358.077173] 6323 [ 358.079230] ? trace_hardirqs_off+0xb8/0x310 [ 358.085417] __alloc_pages_slowpath+0x265e/0x2d70 [ 358.089791] Node 0 [ 358.091875] ? warn_alloc+0x120/0x120 [ 358.096263] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 358.101077] ? warn_alloc+0x120/0x120 [ 358.103287] lowmem_reserve[]: [ 358.107080] ? print_usage_bug+0xc0/0xc0 [ 358.133945] 0 0 [ 358.137753] ? warn_alloc+0x120/0x120 [ 358.140829] 3503 [ 358.144883] ? print_usage_bug+0xc0/0xc0 [ 358.146829] 3503 [ 358.150632] ? mark_held_locks+0x130/0x130 [ 358.153143] Node 0 [ 358.157215] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 358.159274] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 358.163476] ? should_fail+0x22d/0xd01 [ 358.165685] lowmem_reserve[]: 0 [ 358.171227] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.199571] 0 [ 358.203458] ? __lock_acquire+0x7ec/0x4ec0 [ 358.206708] 0 0 [ 358.211817] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 358.217822] ? __lock_acquire+0x7ec/0x4ec0 [ 358.219779] Node 0 [ 358.224872] ? should_fail+0x22d/0xd01 [ 358.229077] DMA: 1*4kB [ 358.231333] ? mark_held_locks+0x130/0x130 [ 358.235194] (U) [ 358.237770] ? mark_held_locks+0x130/0x130 [ 358.241981] 0*8kB [ 358.243949] ? lock_downgrade+0x900/0x900 [ 358.248171] 0*16kB [ 358.250317] ? graph_lock+0x170/0x170 [ 358.254441] 1*32kB [ 358.256666] ? graph_lock+0x170/0x170 [ 358.260779] (U) 2*64kB [ 358.263023] ? graph_lock+0x170/0x170 [ 358.266797] (U) [ 358.269375] ? print_usage_bug+0xc0/0xc0 [ 358.273150] 1*128kB [ 358.275130] ? do_raw_spin_unlock+0xa7/0x330 [ 358.279172] (U) [ 358.281489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.285870] 1*256kB [ 358.287841] ? check_preemption_disabled+0x48/0x280 [ 358.293348] (U) [ 358.295669] ? check_preemption_disabled+0x48/0x280 [ 358.300660] 0*512kB [ 358.302632] ? __lock_is_held+0xb5/0x140 [ 358.307615] 1*1024kB [ 358.309933] __alloc_pages_nodemask+0xa80/0xde0 [ 358.313967] (U) [ 358.316367] ? graph_lock+0x170/0x170 [ 358.321006] 1*2048kB (M) [ 358.322986] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 358.326760] 3*4096kB [ 358.329509] ? graph_lock+0x170/0x170 [ 358.334499] (M) [ 358.336913] ? find_held_lock+0x36/0x1c0 [ 358.340683] = 15908kB [ 358.342660] ? ____cache_alloc_node+0x1c7/0x1e0 [ 358.346691] Node 0 [ 358.349094] ? lock_downgrade+0x900/0x900 [ 358.353738] DMA32: [ 358.355974] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.360091] 5*4kB [ 358.362336] cache_grow_begin+0x91/0x8c0 [ 358.367847] (UM) [ 358.369989] ? do_raw_spin_unlock+0xa7/0x330 [ 358.374036] 0*8kB [ 358.376094] fallback_alloc+0x203/0x2e0 [ 358.380477] 3*16kB [ 358.382625] ____cache_alloc_node+0x1c7/0x1e0 [ 358.386573] (UM) [ 358.388804] kmem_cache_alloc_node+0xe3/0x730 [ 358.393273] 2*32kB [ 358.395326] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 358.399795] (M) [ 358.402033] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 358.407109] 5*64kB [ 358.409094] __alloc_skb+0x119/0x770 [ 358.413647] (UM) [ 358.415890] ? calc_wheel_index+0x220/0x220 [ 358.419575] 4*128kB [ 358.421636] ? skb_scrub_packet+0x490/0x490 [ 358.425932] (UM) [ 358.428264] ? vprintk_default+0x28/0x30 [ 358.432552] 3*256kB [ 358.434603] ? vprintk_func+0x85/0x181 [ 358.438643] (M) [ 358.440963] ? printk+0xa7/0xcf [ 358.444829] 4*512kB [ 358.446797] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 358.450043] (UM) 3*1024kB [ 358.452377] new_skb+0x26/0x1c0 [ 358.457100] (UM) [ 358.459944] aoecmd_cfg+0x279/0x7f0 [ 358.463203] 3*2048kB [ 358.465274] ? aoecmd_ata_rsp+0x10d0/0x10d0 [ 358.468875] (M) [ 358.471745] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.476046] 3*4096kB [ 358.478025] ? check_preemption_disabled+0x48/0x280 [ 358.483528] (M) [ 358.485932] ? check_preemption_disabled+0x48/0x280 [ 358.490921] = 25284kB [ 358.492900] ? __lock_is_held+0xb5/0x140 [ 358.497891] Node 0 [ 358.500307] discover_timer+0x50/0x60 [ 358.504335] Normal: [ 358.506566] call_timer_fn+0x272/0x920 [ 358.510342] 888*4kB [ 358.512664] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.516525] (UMEH) [ 358.518840] ? process_timeout+0x40/0x40 [ 358.523655] 387*8kB (UME) [ 358.525896] ? find_held_lock+0x36/0x1c0 [ 358.529930] 157*16kB [ 358.532780] ? __run_timers+0x7da/0xc70 [ 358.536812] (UME) [ 358.539219] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.543173] 53*32kB (UMEH) [ 358.545323] ? _raw_spin_unlock_irq+0x27/0x80 [ 358.549793] 26*64kB [ 358.552719] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.557192] (UMH) [ 358.559508] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 358.564327] 4*128kB [ 358.566468] ? trace_hardirqs_on+0xbd/0x310 [ 358.571026] (UMH) [ 358.573344] ? kasan_check_read+0x11/0x20 [ 358.577641] 0*256kB [ 358.579784] ? __run_timers+0x7da/0xc70 [ 358.583912] 0*512kB [ 358.586229] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 358.590183] 1*1024kB [ 358.592509] ? aoedev_by_aoeaddr.cold.9+0xba/0xba [ 358.597920] (H) [ 358.600327] __run_timers+0x7e5/0xc70 [ 358.605142] 0*2048kB [ 358.607130] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 358.610893] 0*4096kB [ 358.613295] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 358.618632] = 14056kB [ 358.621037] ? graph_lock+0x170/0x170 [ 358.626036] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 358.628437] ? enqueue_hrtimer+0x1a5/0x560 [ 358.632233] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 358.641055] ? lock_release+0x970/0x970 [ 358.645264] 147 total pagecache pages [ 358.653835] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 358.657792] 0 pages in swap cache [ 358.661583] ? find_held_lock+0x36/0x1c0 [ 358.666746] Swap cache stats: add 0, delete 0, find 0/0 [ 358.670198] ? graph_lock+0x170/0x170 [ 358.674234] Free swap = 0kB [ 358.679588] ? pvclock_read_flags+0x160/0x160 [ 358.683362] Total swap = 0kB [ 358.686376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.690844] 1965979 pages RAM [ 358.693861] ? check_preemption_disabled+0x48/0x280 [ 358.699369] 0 pages HighMem/MovableOnly [ 358.702474] ? __lock_is_held+0xb5/0x140 [ 358.707460] 342307 pages reserved [ 358.711427] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.715465] 0 pages cma reserved [ 358.718916] ? check_preemption_disabled+0x48/0x280 [ 358.724501] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 358.727784] run_timer_softirq+0x52/0xb0 [ 358.732864] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 358.739259] ? rcu_read_lock_sched_held+0x108/0x120 [ 358.743297] ksoftirqd/0 cpuset= [ 358.753602] __do_softirq+0x30c/0xb03 [ 358.758587] / [ 358.761867] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 358.765641] mems_allowed=0 [ 358.767353] ? pvclock_read_flags+0x160/0x160 [ 358.779828] ? lapic_next_event+0x5a/0x90 [ 358.784143] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.789699] ? check_preemption_disabled+0x48/0x280 [ 358.794722] ? check_preemption_disabled+0x48/0x280 [ 358.799745] ? kvm_clock_read+0x18/0x30 [ 358.803722] ? kvm_sched_clock_read+0x9/0x20 [ 358.808133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.813678] ? check_preemption_disabled+0x48/0x280 [ 358.818710] irq_exit+0x17f/0x1c0 [ 358.822178] smp_apic_timer_interrupt+0x1cb/0x760 [ 358.827023] ? smp_reschedule_interrupt+0x109/0x650 [ 358.832044] ? smp_call_function_single_interrupt+0x650/0x650 [ 358.837931] ? interrupt_entry+0xb5/0xf0 [ 358.841999] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.847020] ? trace_hardirqs_off_caller+0xbb/0x310 [ 358.852041] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.856892] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.861905] ? trace_hardirqs_on_caller+0x310/0x310 [ 358.866925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.872476] ? check_preemption_disabled+0x48/0x280 [ 358.877494] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 358.883043] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 358.887895] apic_timer_interrupt+0xf/0x20 [ 358.892125] [ 358.894369] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 358.899301] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 358.918700] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 358.926410] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 358.933680] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 358.940950] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 358.948218] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 358.955483] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 358.962844] skb_clone+0x1bb/0x500 [ 358.966387] ? finish_task_switch+0x1b4/0x910 [ 358.970911] ? skb_split+0x11e0/0x11e0 [ 358.974813] ? preempt_notifier_register+0x200/0x200 [ 358.979923] ? __switch_to_asm+0x34/0x70 [ 358.983997] ? __switch_to_asm+0x34/0x70 [ 358.988055] ? __switch_to_asm+0x40/0x70 [ 358.992111] ? __switch_to_asm+0x34/0x70 [ 358.996212] ? __switch_to_asm+0x40/0x70 [ 359.000270] ? __switch_to_asm+0x34/0x70 [ 359.004327] ? __switch_to_asm+0x40/0x70 [ 359.008386] ? __switch_to_asm+0x34/0x70 [ 359.012454] ? __switch_to_asm+0x34/0x70 [ 359.016517] ? __switch_to_asm+0x40/0x70 [ 359.020573] ? __switch_to_asm+0x34/0x70 [ 359.024728] bpf_clone_redirect+0xb9/0x490 [ 359.028970] ? __schedule+0x874/0x1ed0 [ 359.032868] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 359.037890] ? __sched_text_start+0x8/0x8 [ 359.042043] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.046717] ? retint_kernel+0x2d/0x2d [ 359.050604] ? trace_hardirqs_on_caller+0xc0/0x310 [ 359.055542] ? find_held_lock+0x36/0x1c0 [ 359.059625] ? lock_acquire+0x1ed/0x520 [ 359.063611] ? bpf_test_run+0x32e/0x5a0 [ 359.067588] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.073131] ? check_preemption_disabled+0x48/0x280 [ 359.078160] ? kasan_check_read+0x11/0x20 [ 359.082336] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.087618] ? rcu_bh_qs+0xc0/0xc0 [ 359.091178] ? preempt_schedule+0x4d/0x60 [ 359.095342] ? ___preempt_schedule+0x16/0x18 [ 359.099756] ? bpf_test_run+0x1c0/0x5a0 [ 359.103743] ? netlink_diag_dump+0x2a0/0x2a0 [ 359.108157] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.113700] ? bpf_test_init.isra.9+0x70/0x100 [ 359.118283] ? bpf_prog_test_run_skb+0x634/0xb40 [ 359.123046] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 359.127891] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 359.133430] ? fput+0x130/0x1a0 [ 359.136709] ? __bpf_prog_get+0x9b/0x290 [ 359.140776] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 359.145619] ? bpf_prog_test_run+0x130/0x1a0 [ 359.150034] ? __x64_sys_bpf+0x3d8/0x510 [ 359.154097] ? bpf_prog_get+0x20/0x20 [ 359.157916] ? do_syscall_64+0x1b9/0x820 [ 359.161997] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 359.167367] ? syscall_return_slowpath+0x5e0/0x5e0 [ 359.172329] ? trace_hardirqs_on_caller+0x310/0x310 [ 359.177348] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 359.182365] ? recalc_sigpending_tsk+0x180/0x180 [ 359.187149] ? kasan_check_write+0x14/0x20 [ 359.191416] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 359.196265] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 359.201646] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 359.201741] aoe: skb alloc failure [ 359.208424] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.208433] Call Trace: [ 359.212146] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 359.221318] dump_stack+0x1c4/0x2b6 [ 359.223878] syz-executor1 cpuset= [ 359.234360] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.237963] syz1 [ 359.241417] warn_alloc.cold.119+0xb7/0x1bd [ 359.246578] mems_allowed=0 [ 359.248550] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.260600] ? lock_downgrade+0x900/0x900 [ 359.264755] ? trace_hardirqs_off+0xb8/0x310 [ 359.269178] ? trace_hardirqs_off+0xb8/0x310 [ 359.273594] __alloc_pages_slowpath+0x265e/0x2d70 [ 359.278472] ? warn_alloc+0x120/0x120 [ 359.282283] ? warn_alloc+0x120/0x120 [ 359.286087] ? print_usage_bug+0xc0/0xc0 [ 359.290154] ? warn_alloc+0x120/0x120 [ 359.293967] ? print_usage_bug+0xc0/0xc0 [ 359.298042] ? __lock_acquire+0x7ec/0x4ec0 [ 359.302303] ? __lock_acquire+0x7ec/0x4ec0 [ 359.306542] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.312077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.317618] ? should_fail+0x22d/0xd01 [ 359.321526] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.326628] ? __lock_acquire+0x7ec/0x4ec0 [ 359.330871] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 359.335970] ? __lock_acquire+0x7ec/0x4ec0 [ 359.340209] ? should_fail+0x22d/0xd01 [ 359.344119] ? mark_held_locks+0x130/0x130 [ 359.348357] ? mark_held_locks+0x130/0x130 [ 359.352598] ? mark_held_locks+0xc7/0x130 [ 359.356742] ? print_usage_bug+0xc0/0xc0 [ 359.360808] ? graph_lock+0x170/0x170 [ 359.364621] ? print_usage_bug+0xc0/0xc0 [ 359.368713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.374251] ? check_preemption_disabled+0x48/0x280 [ 359.379270] ? check_preemption_disabled+0x48/0x280 [ 359.384295] ? __lock_is_held+0xb5/0x140 [ 359.388360] __alloc_pages_nodemask+0xa80/0xde0 [ 359.393023] ? graph_lock+0x170/0x170 [ 359.396827] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 359.401842] ? graph_lock+0x170/0x170 [ 359.405699] ? find_held_lock+0x36/0x1c0 [ 359.409768] ? ____cache_alloc_node+0x1c7/0x1e0 [ 359.414440] ? lock_downgrade+0x900/0x900 [ 359.418595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.424141] cache_grow_begin+0x91/0x8c0 [ 359.428212] ? do_raw_spin_unlock+0xa7/0x330 [ 359.432629] fallback_alloc+0x203/0x2e0 [ 359.436611] ____cache_alloc_node+0x1c7/0x1e0 [ 359.441116] kmem_cache_alloc_node+0xe3/0x730 [ 359.445610] ? ipv6_get_ifaddr+0x42e/0x620 [ 359.449869] __alloc_skb+0x119/0x770 [ 359.453596] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.458883] ? skb_scrub_packet+0x490/0x490 [ 359.463202] ? lock_downgrade+0x900/0x900 [ 359.467359] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.472895] ? refcount_sub_and_test_checked+0x203/0x310 [ 359.478355] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 359.483810] ? addrconf_rs_timer+0x690/0x690 [ 359.488236] ndisc_alloc_skb+0x144/0x340 [ 359.492304] ndisc_send_rs+0x331/0x6e0 [ 359.496201] addrconf_rs_timer+0x314/0x690 [ 359.500448] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.504706] call_timer_fn+0x272/0x920 [ 359.508592] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.512872] ? process_timeout+0x40/0x40 [ 359.516928] ? find_held_lock+0x36/0x1c0 [ 359.520995] ? __run_timers+0x7da/0xc70 [ 359.524988] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.529488] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.533985] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.538222] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 359.542807] ? trace_hardirqs_on+0xbd/0x310 [ 359.547134] ? kasan_check_read+0x11/0x20 [ 359.551292] ? __run_timers+0x7da/0xc70 [ 359.555273] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.560731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.564972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 359.569208] __run_timers+0x7e5/0xc70 [ 359.573025] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 359.578389] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.582882] ? _raw_spin_unlock_irq+0x27/0x80 [ 359.587376] ? lockdep_hardirqs_on+0x421/0x5c0 [ 359.591959] ? trace_hardirqs_on+0xbd/0x310 [ 359.596282] ? kasan_check_read+0x11/0x20 [ 359.600438] ? finish_task_switch+0x1f4/0x910 [ 359.604940] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 359.610390] ? compat_start_thread+0x80/0x80 [ 359.614803] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.620354] ? pvclock_read_flags+0x160/0x160 [ 359.624848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.630387] ? check_preemption_disabled+0x48/0x280 [ 359.635418] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 359.640963] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 359.646242] ? rcu_pm_notify+0xc0/0xc0 [ 359.650129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 359.655674] ? check_preemption_disabled+0x48/0x280 [ 359.660696] run_timer_softirq+0x52/0xb0 [ 359.664753] ? rcu_read_lock_sched_held+0x108/0x120 [ 359.669773] __do_softirq+0x30c/0xb03 [ 359.673587] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 359.678690] ? trace_hardirqs_off+0xb8/0x310 [ 359.683106] ? schedule+0x108/0x460 [ 359.686748] ? trace_hardirqs_off+0xb8/0x310 [ 359.691158] ? smpboot_thread_fn+0x68b/0xa00 [ 359.695580] ? trace_hardirqs_on+0x310/0x310 [ 359.700006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.705550] ? check_preemption_disabled+0x48/0x280 [ 359.710581] ? takeover_tasklets+0xa90/0xa90 [ 359.714996] run_ksoftirqd+0x94/0x100 [ 359.718797] smpboot_thread_fn+0x68b/0xa00 [ 359.723036] ? sort_range+0x30/0x30 [ 359.726668] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 359.731770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 359.737314] ? __kthread_parkme+0xfb/0x1a0 [ 359.741553] kthread+0x35a/0x420 [ 359.744918] ? sort_range+0x30/0x30 [ 359.748543] ? kthread_bind+0x40/0x40 [ 359.752348] ret_from_fork+0x3a/0x50 [ 359.756080] warn_alloc_show_mem: 1 callbacks suppressed [ 359.756092] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 359.756093] Mem-Info: [ 359.756126] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 359.756126] active_file:15 inactive_file:13 isolated_file:0 [ 359.756126] unevictable:0 dirty:0 writeback:0 unstable:0 [ 359.756126] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 359.756126] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 359.756126] free:13788 free_pcp:609 free_cma:0 [ 359.761461] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 359.768740] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 359.771138] Call Trace: [ 359.804007] Node 0 [ 359.813353] [ 359.840855] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 359.843412] dump_stack+0x1c4/0x2b6 [ 359.845613] lowmem_reserve[]: 0 [ 359.847770] ? dump_stack_print_info.cold.1+0x20/0x20 [ 359.873248] 2819 [ 359.876882] warn_alloc.cold.119+0xb7/0x1bd [ 359.880116] 6323 6323 [ 359.885309] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 359.887347] Node 0 [ 359.891661] ? lock_downgrade+0x900/0x900 [ 359.894158] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 359.898976] ? trace_hardirqs_off+0xb8/0x310 [ 359.901181] lowmem_reserve[]: 0 [ 359.905330] ? trace_hardirqs_off+0xb8/0x310 [ 359.932197] 0 [ 359.936606] __alloc_pages_slowpath+0x265e/0x2d70 [ 359.939854] 3503 [ 359.944283] ? warn_alloc+0x120/0x120 [ 359.946032] 3503 [ 359.950870] ? warn_alloc+0x120/0x120 [ 359.956701] ? print_usage_bug+0xc0/0xc0 [ 359.958740] Node 0 [ 359.962530] ? warn_alloc+0x120/0x120 [ 359.966590] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 359.968792] ? print_usage_bug+0xc0/0xc0 [ 359.972564] lowmem_reserve[]: 0 [ 360.000941] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 360.004967] 0 0 [ 360.008249] ? rcu_bh_qs+0xc0/0xc0 [ 360.013496] 0 [ 360.015473] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.018989] Node 0 [ 360.020787] ? should_fail+0x22d/0xd01 [ 360.026299] DMA: [ 360.028529] ? __lock_acquire+0x7ec/0x4ec0 [ 360.032391] 1*4kB [ 360.034453] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.038659] (U) [ 360.040806] ? __lock_acquire+0x7ec/0x4ec0 [ 360.045878] 0*8kB 0*16kB [ 360.047860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 360.052067] 1*32kB [ 360.054820] ? __lock_acquire+0x7ec/0x4ec0 [ 360.059889] (U) 2*64kB [ 360.062128] ? should_fail+0x22d/0xd01 [ 360.066340] (U) [ 360.068927] ? mark_held_locks+0x130/0x130 [ 360.072787] 1*128kB [ 360.074764] ? mark_held_locks+0x130/0x130 [ 360.078971] (U) [ 360.081291] ? graph_lock+0x170/0x170 [ 360.085495] 1*256kB [ 360.087461] ? print_usage_bug+0xc0/0xc0 [ 360.091235] (U) [ 360.093557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.097585] 0*512kB 1*1024kB [ 360.099563] ? check_preemption_disabled+0x48/0x280 [ 360.105069] (U) [ 360.108175] ? check_preemption_disabled+0x48/0x280 [ 360.113188] 1*2048kB [ 360.115160] ? __lock_is_held+0xb5/0x140 [ 360.120150] (M) [ 360.122569] __alloc_pages_nodemask+0xa80/0xde0 [ 360.126598] 3*4096kB (M) [ 360.128577] ? graph_lock+0x170/0x170 [ 360.133225] = 15908kB [ 360.135977] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 360.139757] Node 0 [ 360.142153] ? graph_lock+0x170/0x170 [ 360.142187] ? find_held_lock+0x36/0x1c0 [ 360.147170] DMA32: 5*4kB [ 360.149416] ? ____cache_alloc_node+0x1c7/0x1e0 [ 360.153195] (UM) [ 360.157253] ? lock_downgrade+0x900/0x900 [ 360.159985] 0*8kB [ 360.164648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.166683] 3*16kB [ 360.170823] cache_grow_begin+0x91/0x8c0 [ 360.172940] (UM) 2*32kB [ 360.178480] ? do_raw_spin_unlock+0xa7/0x330 [ 360.180688] (M) [ 360.184744] fallback_alloc+0x203/0x2e0 [ 360.187384] 5*64kB (UM) [ 360.191826] ____cache_alloc_node+0x1c7/0x1e0 [ 360.193780] 4*128kB [ 360.197745] kmem_cache_alloc_node+0xe3/0x730 [ 360.200390] (UM) [ 360.204877] ? ipv6_get_ifaddr+0x42e/0x620 [ 360.207183] 3*256kB [ 360.211678] __alloc_skb+0x119/0x770 [ 360.213710] (M) [ 360.217946] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 360.220238] 4*512kB (UM) [ 360.223981] ? skb_scrub_packet+0x490/0x490 [ 360.225933] 3*1024kB [ 360.231221] ? lock_downgrade+0x900/0x900 [ 360.233950] (UM) [ 360.238270] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.240650] 3*2048kB [ 360.244792] ? refcount_sub_and_test_checked+0x203/0x310 [ 360.246830] (M) [ 360.252354] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 360.254739] 3*4096kB [ 360.260192] ? addrconf_rs_timer+0x690/0x690 [ 360.262137] (M) = 25284kB [ 360.267602] ndisc_alloc_skb+0x144/0x340 [ 360.269994] Node 0 [ 360.274406] ndisc_send_rs+0x331/0x6e0 [ 360.277149] Normal: 888*4kB [ 360.281221] addrconf_rs_timer+0x314/0x690 [ 360.283432] (UMEH) [ 360.287319] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.290307] 387*8kB (UME) [ 360.294552] call_timer_fn+0x272/0x920 [ 360.296758] 157*16kB [ 360.300982] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.303798] (UME) 53*32kB [ 360.307686] ? process_timeout+0x40/0x40 [ 360.310069] (UMEH) [ 360.314293] ? find_held_lock+0x36/0x1c0 [ 360.317106] 26*64kB (UMH) [ 360.321202] ? __run_timers+0x7da/0xc70 [ 360.323407] 4*128kB (UMH) [ 360.327468] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.330288] 0*256kB [ 360.334252] ? _raw_spin_unlock_irq+0x27/0x80 [ 360.337074] 0*512kB [ 360.341557] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.343858] 1*1024kB [ 360.348347] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 360.350648] (H) [ 360.354874] ? trace_hardirqs_on+0xbd/0x310 [ 360.357258] 0*2048kB [ 360.361831] ? kasan_check_read+0x11/0x20 [ 360.363778] 0*4096kB [ 360.368094] ? __run_timers+0x7da/0xc70 [ 360.370480] = 14056kB [ 360.374617] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 360.377007] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 360.380980] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 360.383364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 360.388804] __run_timers+0x7e5/0xc70 [ 360.397619] 147 total pagecache pages [ 360.401882] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 360.410428] 0 pages in swap cache [ 360.414218] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 360.417996] Swap cache stats: add 0, delete 0, find 0/0 [ 360.423350] ? graph_lock+0x170/0x170 [ 360.426778] Free swap = 0kB [ 360.431789] ? enqueue_hrtimer+0x1a5/0x560 [ 360.437141] Total swap = 0kB [ 360.440972] ? lock_release+0x970/0x970 [ 360.443964] 1965979 pages RAM [ 360.448198] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 360.451191] 0 pages HighMem/MovableOnly [ 360.451199] 342307 pages reserved [ 360.455173] ? find_held_lock+0x36/0x1c0 [ 360.458250] 0 pages cma reserved [ 360.463448] ? graph_lock+0x170/0x170 [ 360.467475] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.470839] ? pvclock_read_flags+0x160/0x160 [ 360.470854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.470880] ? check_preemption_disabled+0x48/0x280 [ 360.474981] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 360.478295] ? __lock_is_held+0xb5/0x140 [ 360.482062] ksoftirqd/0 cpuset= [ 360.488545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.493014] / [ 360.498547] ? check_preemption_disabled+0x48/0x280 [ 360.503541] mems_allowed=0 [ 360.513844] run_timer_softirq+0x52/0xb0 [ 360.540332] ? rcu_read_lock_sched_held+0x108/0x120 [ 360.545356] __do_softirq+0x30c/0xb03 [ 360.549178] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 360.554288] ? pvclock_read_flags+0x160/0x160 [ 360.558781] ? lapic_next_event+0x5a/0x90 [ 360.562929] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.568477] ? check_preemption_disabled+0x48/0x280 [ 360.573493] ? check_preemption_disabled+0x48/0x280 [ 360.578512] ? kvm_clock_read+0x18/0x30 [ 360.582484] ? kvm_sched_clock_read+0x9/0x20 [ 360.586892] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.592432] ? check_preemption_disabled+0x48/0x280 [ 360.597464] irq_exit+0x17f/0x1c0 [ 360.600924] smp_apic_timer_interrupt+0x1cb/0x760 [ 360.605771] ? smp_reschedule_interrupt+0x109/0x650 [ 360.610787] ? smp_call_function_single_interrupt+0x650/0x650 [ 360.616669] ? interrupt_entry+0xb5/0xf0 [ 360.620732] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.625749] ? trace_hardirqs_off_caller+0xbb/0x310 [ 360.630764] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.635606] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.640650] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.645677] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.651248] ? check_preemption_disabled+0x48/0x280 [ 360.656266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.661806] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.666654] apic_timer_interrupt+0xf/0x20 [ 360.670883] [ 360.673123] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 360.678057] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 360.696961] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 360.704669] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 360.711941] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 360.719226] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 360.726492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 360.733755] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 360.741081] skb_clone+0x1bb/0x500 [ 360.744625] ? finish_task_switch+0x1b4/0x910 [ 360.749117] ? skb_split+0x11e0/0x11e0 [ 360.753005] ? preempt_notifier_register+0x200/0x200 [ 360.758106] ? __switch_to_asm+0x34/0x70 [ 360.762171] ? __switch_to_asm+0x34/0x70 [ 360.766233] ? __switch_to_asm+0x40/0x70 [ 360.770294] ? __switch_to_asm+0x34/0x70 [ 360.774370] ? __switch_to_asm+0x40/0x70 [ 360.778445] ? __switch_to_asm+0x34/0x70 [ 360.782675] ? __switch_to_asm+0x40/0x70 [ 360.786735] ? __switch_to_asm+0x34/0x70 [ 360.790794] ? __switch_to_asm+0x34/0x70 [ 360.794881] ? __switch_to_asm+0x40/0x70 [ 360.798956] ? __switch_to_asm+0x34/0x70 [ 360.803029] bpf_clone_redirect+0xb9/0x490 [ 360.807267] ? __schedule+0x874/0x1ed0 [ 360.811171] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 360.816201] ? __sched_text_start+0x8/0x8 [ 360.820356] ? lockdep_hardirqs_on+0x421/0x5c0 [ 360.824939] ? retint_kernel+0x2d/0x2d [ 360.828826] ? trace_hardirqs_on_caller+0xc0/0x310 [ 360.833797] ? find_held_lock+0x36/0x1c0 [ 360.837874] ? lock_acquire+0x1ed/0x520 [ 360.841860] ? bpf_test_run+0x32e/0x5a0 [ 360.845849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 360.851406] ? check_preemption_disabled+0x48/0x280 [ 360.856429] ? kasan_check_read+0x11/0x20 [ 360.860579] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 360.865859] ? rcu_bh_qs+0xc0/0xc0 [ 360.869403] ? preempt_schedule+0x4d/0x60 [ 360.873550] ? ___preempt_schedule+0x16/0x18 [ 360.877974] ? bpf_test_run+0x1c0/0x5a0 [ 360.881971] ? netlink_diag_dump+0x2a0/0x2a0 [ 360.886385] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 360.891938] ? bpf_test_init.isra.9+0x70/0x100 [ 360.896530] ? bpf_prog_test_run_skb+0x634/0xb40 [ 360.901293] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 360.906134] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 360.911680] ? fput+0x130/0x1a0 [ 360.915484] ? __bpf_prog_get+0x9b/0x290 [ 360.919549] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 360.924402] ? bpf_prog_test_run+0x130/0x1a0 [ 360.928825] ? __x64_sys_bpf+0x3d8/0x510 [ 360.932886] ? bpf_prog_get+0x20/0x20 [ 360.936719] ? do_syscall_64+0x1b9/0x820 [ 360.940778] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 360.946142] ? syscall_return_slowpath+0x5e0/0x5e0 [ 360.951081] ? trace_hardirqs_on_caller+0x310/0x310 [ 360.956099] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 360.961117] ? recalc_sigpending_tsk+0x180/0x180 [ 360.965878] ? kasan_check_write+0x14/0x20 [ 360.970120] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 360.974992] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 360.980375] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 360.980448] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 360.987128] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 360.987133] Call Trace: [ 360.987154] dump_stack+0x1c4/0x2b6 [ 360.987182] ? dump_stack_print_info.cold.1+0x20/0x20 [ 360.993769] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.003018] warn_alloc.cold.119+0xb7/0x1bd [ 361.005596] syz-executor1 cpuset= [ 361.009218] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.014384] syz1 [ 361.024864] ? lock_downgrade+0x900/0x900 [ 361.029170] mems_allowed=0 [ 361.032621] ? trace_hardirqs_off+0xb8/0x310 [ 361.050896] ? trace_hardirqs_off+0xb8/0x310 [ 361.055315] __alloc_pages_slowpath+0x265e/0x2d70 [ 361.060198] ? warn_alloc+0x120/0x120 [ 361.064010] ? warn_alloc+0x120/0x120 [ 361.067812] ? print_usage_bug+0xc0/0xc0 [ 361.071877] ? warn_alloc+0x120/0x120 [ 361.075680] ? print_usage_bug+0xc0/0xc0 [ 361.079742] ? __lock_acquire+0x7ec/0x4ec0 [ 361.083973] ? __lock_acquire+0x7ec/0x4ec0 [ 361.088232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.093768] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.099321] ? should_fail+0x22d/0xd01 [ 361.103216] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.108334] ? __lock_acquire+0x7ec/0x4ec0 [ 361.112574] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.117683] ? __lock_acquire+0x7ec/0x4ec0 [ 361.121917] ? should_fail+0x22d/0xd01 [ 361.125833] ? mark_held_locks+0x130/0x130 [ 361.130083] ? mark_held_locks+0x130/0x130 [ 361.134316] ? graph_lock+0x170/0x170 [ 361.138114] ? print_usage_bug+0xc0/0xc0 [ 361.142184] ? graph_lock+0x170/0x170 [ 361.146023] ? print_usage_bug+0xc0/0xc0 [ 361.150099] ? wq_watchdog_touch+0x9c/0xfe [ 361.154333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.159875] ? check_preemption_disabled+0x48/0x280 [ 361.164894] ? check_preemption_disabled+0x48/0x280 [ 361.169924] ? __lock_is_held+0xb5/0x140 [ 361.173991] __alloc_pages_nodemask+0xa80/0xde0 [ 361.178663] ? graph_lock+0x170/0x170 [ 361.182475] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 361.187492] ? graph_lock+0x170/0x170 [ 361.191307] ? find_held_lock+0x36/0x1c0 [ 361.195382] ? ____cache_alloc_node+0x1c7/0x1e0 [ 361.200054] ? lock_downgrade+0x900/0x900 [ 361.204210] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.209755] cache_grow_begin+0x91/0x8c0 [ 361.213822] ? do_raw_spin_unlock+0xa7/0x330 [ 361.218256] fallback_alloc+0x203/0x2e0 [ 361.222252] ____cache_alloc_node+0x1c7/0x1e0 [ 361.226752] kmem_cache_alloc_node+0xe3/0x730 [ 361.231250] ? ipv6_get_ifaddr+0x42e/0x620 [ 361.235496] __alloc_skb+0x119/0x770 [ 361.239210] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.244752] ? skb_scrub_packet+0x490/0x490 [ 361.249071] ? lock_downgrade+0x900/0x900 [ 361.253228] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.258765] ? refcount_sub_and_test_checked+0x203/0x310 [ 361.264222] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 361.269676] ? addrconf_rs_timer+0x690/0x690 [ 361.274095] ndisc_alloc_skb+0x144/0x340 [ 361.278159] ndisc_send_rs+0x331/0x6e0 [ 361.282079] addrconf_rs_timer+0x314/0x690 [ 361.286322] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.290575] call_timer_fn+0x272/0x920 [ 361.294467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.298705] ? process_timeout+0x40/0x40 [ 361.302767] ? find_held_lock+0x36/0x1c0 [ 361.306839] ? __run_timers+0x7da/0xc70 [ 361.310814] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.315308] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.319800] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.324037] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 361.328620] ? trace_hardirqs_on+0xbd/0x310 [ 361.332944] ? kasan_check_read+0x11/0x20 [ 361.337094] ? __run_timers+0x7da/0xc70 [ 361.341069] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.346525] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.350766] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 361.354999] __run_timers+0x7e5/0xc70 [ 361.358813] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 361.364188] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.368687] ? _raw_spin_unlock_irq+0x27/0x80 [ 361.373193] ? lockdep_hardirqs_on+0x421/0x5c0 [ 361.377778] ? trace_hardirqs_on+0xbd/0x310 [ 361.382101] ? kasan_check_read+0x11/0x20 [ 361.386251] ? finish_task_switch+0x1f4/0x910 [ 361.390746] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 361.396202] ? compat_start_thread+0x80/0x80 [ 361.400612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.406172] ? pvclock_read_flags+0x160/0x160 [ 361.410670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.416208] ? check_preemption_disabled+0x48/0x280 [ 361.421231] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 361.426769] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 361.432050] ? rcu_pm_notify+0xc0/0xc0 [ 361.435957] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.441497] ? check_preemption_disabled+0x48/0x280 [ 361.446540] run_timer_softirq+0x52/0xb0 [ 361.450607] ? rcu_read_lock_sched_held+0x108/0x120 [ 361.455627] __do_softirq+0x30c/0xb03 [ 361.459444] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 361.464547] ? trace_hardirqs_off+0xb8/0x310 [ 361.468962] ? schedule+0x108/0x460 [ 361.472598] ? trace_hardirqs_off+0xb8/0x310 [ 361.477006] ? smpboot_thread_fn+0x68b/0xa00 [ 361.481417] ? trace_hardirqs_on+0x310/0x310 [ 361.485830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.491368] ? check_preemption_disabled+0x48/0x280 [ 361.496392] ? takeover_tasklets+0xa90/0xa90 [ 361.500804] run_ksoftirqd+0x94/0x100 [ 361.504604] smpboot_thread_fn+0x68b/0xa00 [ 361.508840] ? sort_range+0x30/0x30 [ 361.512472] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 361.517575] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.523112] ? __kthread_parkme+0xfb/0x1a0 [ 361.527351] kthread+0x35a/0x420 [ 361.530718] ? sort_range+0x30/0x30 [ 361.534342] ? kthread_bind+0x40/0x40 [ 361.538169] ret_from_fork+0x3a/0x50 [ 361.541920] warn_alloc_show_mem: 1 callbacks suppressed [ 361.541932] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 361.541934] Mem-Info: [ 361.541947] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 361.547318] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 361.547318] active_file:15 inactive_file:13 isolated_file:0 [ 361.547318] unevictable:0 dirty:0 writeback:0 unstable:0 [ 361.547318] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 361.547318] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 361.547318] free:13788 free_pcp:609 free_cma:0 [ 361.554749] Call Trace: [ 361.557176] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 361.566522] [ 361.599388] Node 0 [ 361.601974] dump_stack+0x1c4/0x2b6 [ 361.629474] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 361.631599] ? dump_stack_print_info.cold.1+0x20/0x20 [ 361.633807] lowmem_reserve[]: [ 361.637436] warn_alloc.cold.119+0xb7/0x1bd [ 361.662915] 0 2819 [ 361.668141] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 361.671215] 6323 6323 [ 361.675550] ? lock_downgrade+0x900/0x900 [ 361.682595] ? trace_hardirqs_off+0xb8/0x310 [ 361.685092] Node 0 [ 361.689234] ? trace_hardirqs_off+0xb8/0x310 [ 361.693637] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 361.695846] __alloc_pages_slowpath+0x265e/0x2d70 [ 361.700220] lowmem_reserve[]: 0 [ 361.727151] ? warn_alloc+0x120/0x120 [ 361.731936] 0 3503 [ 361.735218] ? warn_alloc+0x120/0x120 [ 361.739000] 3503 [ 361.741254] ? print_usage_bug+0xc0/0xc0 [ 361.745027] Node 0 [ 361.747097] ? warn_alloc+0x120/0x120 [ 361.751176] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 361.753378] ? print_usage_bug+0xc0/0xc0 [ 361.757145] lowmem_reserve[]: 0 [ 361.785535] ? graph_lock+0x170/0x170 [ 361.789574] 0 [ 361.792850] ? kvm_sched_clock_read+0x9/0x20 [ 361.796626] 0 [ 361.798426] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 361.802811] 0 [ 361.804607] ? should_fail+0x22d/0xd01 [ 361.811912] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.815773] Node 0 DMA: [ 361.820899] ? __lock_acquire+0x7ec/0x4ec0 [ 361.820916] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 361.823582] 1*4kB [ 361.827805] ? __lock_acquire+0x7ec/0x4ec0 [ 361.832878] (U) 0*8kB [ 361.835028] ? should_fail+0x22d/0xd01 [ 361.839240] 0*16kB [ 361.841734] ? mark_held_locks+0x130/0x130 [ 361.845589] 1*32kB [ 361.847819] ? mark_held_locks+0x130/0x130 [ 361.852028] (U) [ 361.854263] ? __account_cfs_rq_runtime+0x790/0x790 [ 361.858469] 2*64kB (U) [ 361.860453] ? select_task_rq_fair+0x7ab/0x33a0 [ 361.865442] 1*128kB [ 361.868013] ? lock_downgrade+0x900/0x900 [ 361.872656] (U) [ 361.874988] ? check_preemption_disabled+0x48/0x280 [ 361.879144] 1*256kB [ 361.881118] ? graph_lock+0x170/0x170 [ 361.886111] (U) [ 361.888424] ? print_usage_bug+0xc0/0xc0 [ 361.892202] 0*512kB [ 361.894183] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 361.898220] 1*1024kB [ 361.900535] ? check_preemption_disabled+0x48/0x280 [ 361.906046] (U) [ 361.908447] ? check_preemption_disabled+0x48/0x280 [ 361.908471] ? __lock_is_held+0xb5/0x140 [ 361.913473] 1*2048kB (M) 3*4096kB (M) = 15908kB [ 361.913487] Node 0 DMA32: 5*4kB (UM) 0*8kB 3*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25284kB [ 361.913548] Node 0 Normal: 888*4kB (UMEH) 387*8kB (UME) 157*16kB (UME) 53*32kB (UMEH) 26*64kB (UMH) 4*128kB (UMH) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14056kB [ 361.913608] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 361.913614] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 361.913618] 147 total pagecache pages [ 361.913627] 0 pages in swap cache [ 361.913632] Swap cache stats: add 0, delete 0, find 0/0 [ 361.913635] Free swap = 0kB [ 361.913638] Total swap = 0kB [ 361.913641] 1965979 pages RAM [ 361.913644] 0 pages HighMem/MovableOnly [ 361.913647] 342307 pages reserved [ 361.913650] 0 pages cma reserved [ 361.913708] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 361.913826] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 361.913830] ksoftirqd/0 cpuset=/ mems_allowed=0 [ 362.031168] __alloc_pages_nodemask+0xa80/0xde0 [ 362.035842] ? graph_lock+0x170/0x170 [ 362.039646] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 362.044658] ? graph_lock+0x170/0x170 [ 362.048484] ? find_held_lock+0x36/0x1c0 [ 362.052560] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.057245] ? lock_downgrade+0x900/0x900 [ 362.061421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.067026] cache_grow_begin+0x91/0x8c0 [ 362.071083] ? do_raw_spin_unlock+0xa7/0x330 [ 362.075497] fallback_alloc+0x203/0x2e0 [ 362.079478] ____cache_alloc_node+0x1c7/0x1e0 [ 362.083976] kmem_cache_alloc_node+0xe3/0x730 [ 362.088470] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.092734] __alloc_skb+0x119/0x770 [ 362.096445] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.101725] ? skb_scrub_packet+0x490/0x490 [ 362.106044] ? lock_downgrade+0x900/0x900 [ 362.110219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.115761] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.121214] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.126679] ? addrconf_rs_timer+0x690/0x690 [ 362.131114] ndisc_alloc_skb+0x144/0x340 [ 362.135192] ndisc_send_rs+0x331/0x6e0 [ 362.139088] addrconf_rs_timer+0x314/0x690 [ 362.143330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.147594] call_timer_fn+0x272/0x920 [ 362.151485] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.155722] ? process_timeout+0x40/0x40 [ 362.159780] ? find_held_lock+0x36/0x1c0 [ 362.163849] ? __run_timers+0x7da/0xc70 [ 362.167830] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.172324] ? _raw_spin_unlock_irq+0x27/0x80 [ 362.176819] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.181054] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 362.185640] ? trace_hardirqs_on+0xbd/0x310 [ 362.189965] ? kasan_check_read+0x11/0x20 [ 362.194106] ? __run_timers+0x7da/0xc70 [ 362.198089] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 362.203548] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 362.207783] __run_timers+0x7e5/0xc70 [ 362.211599] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 362.216967] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 362.221985] ? graph_lock+0x170/0x170 [ 362.225789] ? enqueue_hrtimer+0x1a5/0x560 [ 362.230021] ? lock_release+0x970/0x970 [ 362.234017] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 362.239229] ? find_held_lock+0x36/0x1c0 [ 362.243293] ? graph_lock+0x170/0x170 [ 362.247107] ? pvclock_read_flags+0x160/0x160 [ 362.251601] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.257142] ? check_preemption_disabled+0x48/0x280 [ 362.262180] ? __lock_is_held+0xb5/0x140 [ 362.266241] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.271780] ? check_preemption_disabled+0x48/0x280 [ 362.276801] run_timer_softirq+0x52/0xb0 [ 362.280865] ? rcu_read_lock_sched_held+0x108/0x120 [ 362.285881] __do_softirq+0x30c/0xb03 [ 362.289704] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 362.294835] ? pvclock_read_flags+0x160/0x160 [ 362.299358] ? lapic_next_event+0x5a/0x90 [ 362.303501] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.309035] ? check_preemption_disabled+0x48/0x280 [ 362.314054] ? check_preemption_disabled+0x48/0x280 [ 362.319076] ? kvm_clock_read+0x18/0x30 [ 362.323051] ? kvm_sched_clock_read+0x9/0x20 [ 362.327461] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.333004] ? check_preemption_disabled+0x48/0x280 [ 362.338065] irq_exit+0x17f/0x1c0 [ 362.341550] smp_apic_timer_interrupt+0x1cb/0x760 [ 362.346391] ? smp_reschedule_interrupt+0x109/0x650 [ 362.351408] ? smp_call_function_single_interrupt+0x650/0x650 [ 362.357320] ? interrupt_entry+0xb5/0xf0 [ 362.361389] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.366405] ? trace_hardirqs_off_caller+0xbb/0x310 [ 362.371426] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.376269] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.381286] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.386301] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.391840] ? check_preemption_disabled+0x48/0x280 [ 362.396858] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.402401] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.407256] apic_timer_interrupt+0xf/0x20 [ 362.411483] [ 362.413725] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 362.418654] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 362.437550] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 362.445258] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 362.452575] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 362.459841] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 362.467104] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 362.474376] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 362.481686] skb_clone+0x1bb/0x500 [ 362.485227] ? finish_task_switch+0x1b4/0x910 [ 362.489727] ? skb_split+0x11e0/0x11e0 [ 362.493614] ? preempt_notifier_register+0x200/0x200 [ 362.498717] ? __switch_to_asm+0x34/0x70 [ 362.502780] ? __switch_to_asm+0x34/0x70 [ 362.506838] ? __switch_to_asm+0x40/0x70 [ 362.510899] ? __switch_to_asm+0x34/0x70 [ 362.514960] ? __switch_to_asm+0x40/0x70 [ 362.519019] ? __switch_to_asm+0x34/0x70 [ 362.523103] ? __switch_to_asm+0x40/0x70 [ 362.527159] ? __switch_to_asm+0x34/0x70 [ 362.531228] ? __switch_to_asm+0x34/0x70 [ 362.535289] ? __switch_to_asm+0x40/0x70 [ 362.539346] ? __switch_to_asm+0x34/0x70 [ 362.543415] bpf_clone_redirect+0xb9/0x490 [ 362.547667] ? __schedule+0x874/0x1ed0 [ 362.551601] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 362.556618] ? __sched_text_start+0x8/0x8 [ 362.560768] ? lockdep_hardirqs_on+0x421/0x5c0 [ 362.565354] ? retint_kernel+0x2d/0x2d [ 362.569247] ? trace_hardirqs_on_caller+0xc0/0x310 [ 362.574194] ? find_held_lock+0x36/0x1c0 [ 362.578274] ? lock_acquire+0x1ed/0x520 [ 362.582250] ? bpf_test_run+0x32e/0x5a0 [ 362.586225] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.591767] ? check_preemption_disabled+0x48/0x280 [ 362.596796] ? kasan_check_read+0x11/0x20 [ 362.600950] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.606228] ? rcu_bh_qs+0xc0/0xc0 [ 362.609769] ? preempt_schedule+0x4d/0x60 [ 362.613921] ? ___preempt_schedule+0x16/0x18 [ 362.618343] ? bpf_test_run+0x1c0/0x5a0 [ 362.622334] ? netlink_diag_dump+0x2a0/0x2a0 [ 362.626746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.632281] ? bpf_test_init.isra.9+0x70/0x100 [ 362.636866] ? bpf_prog_test_run_skb+0x634/0xb40 [ 362.641627] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 362.646468] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 362.652032] ? fput+0x130/0x1a0 [ 362.655329] ? __bpf_prog_get+0x9b/0x290 [ 362.659392] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 362.664236] ? bpf_prog_test_run+0x130/0x1a0 [ 362.668651] ? __x64_sys_bpf+0x3d8/0x510 [ 362.672713] ? bpf_prog_get+0x20/0x20 [ 362.676537] ? do_syscall_64+0x1b9/0x820 [ 362.680602] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 362.685983] ? syscall_return_slowpath+0x5e0/0x5e0 [ 362.690945] ? trace_hardirqs_on_caller+0x310/0x310 [ 362.695966] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 362.700985] ? recalc_sigpending_tsk+0x180/0x180 [ 362.705749] ? kasan_check_write+0x14/0x20 [ 362.709990] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 362.714843] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 362.720260] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 362.720334] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 362.727018] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 362.727023] Call Trace: [ 362.727044] dump_stack+0x1c4/0x2b6 [ 362.727064] ? dump_stack_print_info.cold.1+0x20/0x20 [ 362.733663] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 362.742916] warn_alloc.cold.119+0xb7/0x1bd [ 362.745471] syz-executor1 cpuset= [ 362.749088] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 362.754256] syz1 [ 362.764733] ? lock_downgrade+0x900/0x900 [ 362.769034] mems_allowed=0 [ 362.772479] ? trace_hardirqs_off+0xb8/0x310 [ 362.790947] ? trace_hardirqs_off+0xb8/0x310 [ 362.795367] __alloc_pages_slowpath+0x265e/0x2d70 [ 362.800247] ? warn_alloc+0x120/0x120 [ 362.804054] ? warn_alloc+0x120/0x120 [ 362.807856] ? print_usage_bug+0xc0/0xc0 [ 362.811933] ? warn_alloc+0x120/0x120 [ 362.815732] ? print_usage_bug+0xc0/0xc0 [ 362.819795] ? __lock_acquire+0x7ec/0x4ec0 [ 362.824044] ? __lock_acquire+0x7ec/0x4ec0 [ 362.828294] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 362.833865] ? should_fail+0x22d/0xd01 [ 362.837781] ? __lock_acquire+0x7ec/0x4ec0 [ 362.842018] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.847120] ? __lock_acquire+0x7ec/0x4ec0 [ 362.851373] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 362.856476] ? __lock_acquire+0x7ec/0x4ec0 [ 362.860709] ? should_fail+0x22d/0xd01 [ 362.864635] ? mark_held_locks+0x130/0x130 [ 362.868872] ? mark_held_locks+0x130/0x130 [ 362.873114] ? graph_lock+0x170/0x170 [ 362.876912] ? print_usage_bug+0xc0/0xc0 [ 362.880978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.886518] ? check_preemption_disabled+0x48/0x280 [ 362.891552] ? check_preemption_disabled+0x48/0x280 [ 362.896610] ? __lock_is_held+0xb5/0x140 [ 362.900691] __alloc_pages_nodemask+0xa80/0xde0 [ 362.905361] ? graph_lock+0x170/0x170 [ 362.909177] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 362.914406] ? graph_lock+0x170/0x170 [ 362.918261] ? find_held_lock+0x36/0x1c0 [ 362.922333] ? ____cache_alloc_node+0x1c7/0x1e0 [ 362.927004] ? lock_downgrade+0x900/0x900 [ 362.931159] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.936711] cache_grow_begin+0x91/0x8c0 [ 362.940773] ? do_raw_spin_unlock+0xa7/0x330 [ 362.945198] fallback_alloc+0x203/0x2e0 [ 362.949188] ____cache_alloc_node+0x1c7/0x1e0 [ 362.953722] kmem_cache_alloc_node+0xe3/0x730 [ 362.958222] ? ipv6_get_ifaddr+0x42e/0x620 [ 362.962471] __alloc_skb+0x119/0x770 [ 362.966232] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 362.971530] ? skb_scrub_packet+0x490/0x490 [ 362.975849] ? lock_downgrade+0x900/0x900 [ 362.980045] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 362.985597] ? refcount_sub_and_test_checked+0x203/0x310 [ 362.991052] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 362.996510] ? addrconf_rs_timer+0x690/0x690 [ 363.000943] ndisc_alloc_skb+0x144/0x340 [ 363.005026] ndisc_send_rs+0x331/0x6e0 [ 363.008919] addrconf_rs_timer+0x314/0x690 [ 363.013169] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.017424] call_timer_fn+0x272/0x920 [ 363.021321] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.025559] ? process_timeout+0x40/0x40 [ 363.029616] ? find_held_lock+0x36/0x1c0 [ 363.033687] ? __run_timers+0x7da/0xc70 [ 363.037663] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.042192] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.046680] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.050925] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 363.055536] ? trace_hardirqs_on+0xbd/0x310 [ 363.059856] ? kasan_check_read+0x11/0x20 [ 363.064003] ? __run_timers+0x7da/0xc70 [ 363.067977] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.073451] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.077686] __run_timers+0x7e5/0xc70 [ 363.081501] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 363.086862] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.091369] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.095867] ? lockdep_hardirqs_on+0x421/0x5c0 [ 363.100456] ? trace_hardirqs_on+0xbd/0x310 [ 363.104779] ? kasan_check_read+0x11/0x20 [ 363.108927] ? finish_task_switch+0x1f4/0x910 [ 363.113426] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.118884] ? compat_start_thread+0x80/0x80 [ 363.123295] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.128849] ? pvclock_read_flags+0x160/0x160 [ 363.133342] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.138878] ? check_preemption_disabled+0x48/0x280 [ 363.143903] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 363.149448] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 363.154728] ? rcu_pm_notify+0xc0/0xc0 [ 363.158616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.164156] ? check_preemption_disabled+0x48/0x280 [ 363.169209] run_timer_softirq+0x52/0xb0 [ 363.173271] ? rcu_read_lock_sched_held+0x108/0x120 [ 363.178298] __do_softirq+0x30c/0xb03 [ 363.182111] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 363.187214] ? trace_hardirqs_off+0xb8/0x310 [ 363.191643] ? schedule+0x108/0x460 [ 363.195294] ? trace_hardirqs_off+0xb8/0x310 [ 363.199705] ? smpboot_thread_fn+0x68b/0xa00 [ 363.204116] ? trace_hardirqs_on+0x310/0x310 [ 363.208524] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.214088] ? check_preemption_disabled+0x48/0x280 [ 363.219104] ? takeover_tasklets+0xa90/0xa90 [ 363.223515] run_ksoftirqd+0x94/0x100 [ 363.227333] smpboot_thread_fn+0x68b/0xa00 [ 363.231577] ? sort_range+0x30/0x30 [ 363.235205] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 363.240313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.245849] ? __kthread_parkme+0xfb/0x1a0 [ 363.250088] kthread+0x35a/0x420 [ 363.253505] ? sort_range+0x30/0x30 [ 363.257133] ? kthread_bind+0x40/0x40 [ 363.260943] ret_from_fork+0x3a/0x50 [ 363.264671] warn_alloc_show_mem: 1 callbacks suppressed [ 363.264683] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 363.264685] Mem-Info: [ 363.264717] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 363.264717] active_file:15 inactive_file:13 isolated_file:0 [ 363.264717] unevictable:0 dirty:0 writeback:0 unstable:0 [ 363.264717] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 363.264717] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 363.264717] free:13788 free_pcp:609 free_cma:0 [ 363.270055] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 363.277332] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 363.279731] Call Trace: [ 363.312599] Node 0 [ 363.321951] [ 363.349486] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 363.352072] dump_stack+0x1c4/0x2b6 [ 363.354276] lowmem_reserve[]: [ 363.356424] ? dump_stack_print_info.cold.1+0x20/0x20 [ 363.381921] 0 [ 363.385565] warn_alloc.cold.119+0xb7/0x1bd [ 363.388622] 2819 6323 [ 363.393817] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 363.395587] 6323 [ 363.399907] ? lock_downgrade+0x900/0x900 [ 363.402377] Node 0 [ 363.407214] ? trace_hardirqs_off+0xb8/0x310 [ 363.409272] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 363.413392] ? trace_hardirqs_off+0xb8/0x310 [ 363.415600] lowmem_reserve[]: [ 363.420007] __alloc_pages_slowpath+0x265e/0x2d70 [ 363.446863] 0 0 [ 363.451305] ? warn_alloc+0x120/0x120 [ 363.454359] 3503 [ 363.459210] ? trace_hardirqs_on+0x310/0x310 [ 363.461156] 3503 [ 363.464966] ? warn_alloc+0x120/0x120 [ 363.467003] Node 0 [ 363.471406] ? print_usage_bug+0xc0/0xc0 [ 363.473467] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 363.477236] ? warn_alloc+0x120/0x120 [ 363.479443] lowmem_reserve[]: 0 [ 363.483507] ? ktime_get+0x2e1/0x440 [ 363.511852] 0 [ 363.515661] ? print_usage_bug+0xc0/0xc0 [ 363.518913] 0 [ 363.522626] ? __lock_acquire+0x7ec/0x4ec0 [ 363.524417] 0 [ 363.528480] ? __lock_acquire+0x7ec/0x4ec0 [ 363.530265] Node 0 [ 363.534494] ? kasan_check_read+0x11/0x20 [ 363.536270] DMA: [ 363.540501] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 363.542710] 1*4kB [ 363.546850] ? should_fail+0x22d/0xd01 [ 363.548884] (U) [ 363.554415] ? rcu_bh_qs+0xc0/0xc0 [ 363.556541] 0*8kB [ 363.560419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.562374] 0*16kB [ 363.565904] ? __lock_acquire+0x7ec/0x4ec0 [ 363.568027] 1*32kB [ 363.573124] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 363.575333] (U) [ 363.579564] ? __lock_acquire+0x7ec/0x4ec0 [ 363.581779] 2*64kB [ 363.586870] ? should_fail+0x22d/0xd01 [ 363.588823] (U) [ 363.593054] ? rcu_idle_enter+0x4b0/0x4b0 [ 363.595264] 1*128kB [ 363.599145] ? mark_held_locks+0x130/0x130 [ 363.601090] (U) [ 363.605228] ? mark_held_locks+0x130/0x130 [ 363.607531] 1*256kB [ 363.611767] ? mark_held_locks+0xc7/0x130 [ 363.613713] (U) 0*512kB [ 363.617952] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 363.620242] 1*1024kB (U) [ 363.624387] ? graph_lock+0x170/0x170 [ 363.627038] 1*2048kB [ 363.632042] ? print_usage_bug+0xc0/0xc0 [ 363.634861] (M) [ 363.638660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.641045] 3*4096kB [ 363.645099] ? check_preemption_disabled+0x48/0x280 [ 363.647044] (M) = 15908kB [ 363.652582] ? check_preemption_disabled+0x48/0x280 [ 363.654966] Node 0 [ 363.659982] ? __lock_is_held+0xb5/0x140 [ 363.662707] DMA32: [ 363.667716] __alloc_pages_nodemask+0xa80/0xde0 [ 363.669928] 5*4kB [ 363.673994] ? graph_lock+0x170/0x170 [ 363.676214] (UM) [ 363.680881] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 363.683007] 0*8kB [ 363.686797] ? graph_lock+0x170/0x170 [ 363.688834] 3*16kB [ 363.693849] ? find_held_lock+0x36/0x1c0 [ 363.695971] (UM) [ 363.699772] ? ____cache_alloc_node+0x1c7/0x1e0 [ 363.701980] 2*32kB [ 363.706033] ? lock_downgrade+0x900/0x900 [ 363.708070] (M) [ 363.712738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.714941] 5*64kB (UM) [ 363.719096] cache_grow_begin+0x91/0x8c0 [ 363.721047] 4*128kB [ 363.726577] ? do_raw_spin_unlock+0xa7/0x330 [ 363.729224] (UM) [ 363.733291] fallback_alloc+0x203/0x2e0 [ 363.735589] 3*256kB [ 363.740012] ____cache_alloc_node+0x1c7/0x1e0 [ 363.742047] (M) [ 363.746020] kmem_cache_alloc_node+0xe3/0x730 [ 363.748322] 4*512kB [ 363.752807] ? ipv6_get_ifaddr+0x42e/0x620 [ 363.754759] (UM) [ 363.759256] __alloc_skb+0x119/0x770 [ 363.761548] 3*1024kB [ 363.765779] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 363.767812] (UM) [ 363.771526] ? skb_scrub_packet+0x490/0x490 [ 363.773918] 3*2048kB [ 363.779203] ? lock_downgrade+0x900/0x900 [ 363.781239] (M) [ 363.785555] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 363.787936] 3*4096kB (M) [ 363.792089] ? refcount_sub_and_test_checked+0x203/0x310 [ 363.794033] = 25284kB [ 363.794042] Node 0 [ 363.799572] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 363.802297] Normal: 888*4kB [ 363.807747] ? addrconf_rs_timer+0x690/0x690 [ 363.810129] (UMEH) [ 363.812368] ndisc_alloc_skb+0x144/0x340 [ 363.817787] 387*8kB [ 363.820798] ndisc_send_rs+0x331/0x6e0 [ 363.825212] (UME) [ 363.827443] addrconf_rs_timer+0x314/0x690 [ 363.831484] 157*16kB [ 363.833806] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.837682] (UME) 53*32kB [ 363.839857] call_timer_fn+0x272/0x920 [ 363.844049] (UMEH) 26*64kB [ 363.846463] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.850662] (UMH) 4*128kB [ 363.853514] ? process_timeout+0x40/0x40 [ 363.857378] (UMH) [ 363.860308] ? find_held_lock+0x36/0x1c0 [ 363.864517] 0*256kB [ 363.867361] ? __run_timers+0x7da/0xc70 [ 363.871390] 0*512kB [ 363.873534] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.877574] 1*1024kB [ 363.879893] ? _raw_spin_unlock_irq+0x27/0x80 [ 363.883839] (H) [ 363.886157] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.890633] 0*2048kB [ 363.893038] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 363.897509] 0*4096kB [ 363.899478] ? trace_hardirqs_on+0xbd/0x310 [ 363.903692] = 14056kB [ 363.906102] ? kasan_check_read+0x11/0x20 [ 363.910664] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 363.913061] ? __run_timers+0x7da/0xc70 [ 363.917364] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 363.919779] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 363.923904] 147 total pagecache pages [ 363.932733] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.936685] 0 pages in swap cache [ 363.945253] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 363.950678] Swap cache stats: add 0, delete 0, find 0/0 [ 363.954467] __run_timers+0x7e5/0xc70 [ 363.958676] Free swap = 0kB [ 363.962136] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 363.966334] Total swap = 0kB [ 363.971694] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 363.975466] 1965979 pages RAM [ 363.978481] ? graph_lock+0x170/0x170 [ 363.983822] 0 pages HighMem/MovableOnly [ 363.986839] ? enqueue_hrtimer+0x1a5/0x560 [ 363.991825] 342307 pages reserved [ 363.991833] 0 pages cma reserved [ 363.994945] ? lock_release+0x970/0x970 [ 363.998793] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.002682] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 364.002710] ? find_held_lock+0x36/0x1c0 [ 364.002726] ? graph_lock+0x170/0x170 [ 364.006999] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.010390] ? pvclock_read_flags+0x160/0x160 [ 364.013731] ksoftirqd/0 cpuset= [ 364.017701] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.024175] / [ 364.029367] ? check_preemption_disabled+0x48/0x280 [ 364.033402] mems_allowed=0 [ 364.037203] ? __lock_is_held+0xb5/0x140 [ 364.074449] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.079989] ? check_preemption_disabled+0x48/0x280 [ 364.085015] run_timer_softirq+0x52/0xb0 [ 364.089081] ? rcu_read_lock_sched_held+0x108/0x120 [ 364.094100] __do_softirq+0x30c/0xb03 [ 364.097911] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 364.103023] ? pvclock_read_flags+0x160/0x160 [ 364.107522] ? lapic_next_event+0x5a/0x90 [ 364.111673] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.117213] ? check_preemption_disabled+0x48/0x280 [ 364.122229] ? check_preemption_disabled+0x48/0x280 [ 364.127264] ? kvm_clock_read+0x18/0x30 [ 364.131240] ? kvm_sched_clock_read+0x9/0x20 [ 364.135661] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.141212] ? check_preemption_disabled+0x48/0x280 [ 364.146245] irq_exit+0x17f/0x1c0 [ 364.149706] smp_apic_timer_interrupt+0x1cb/0x760 [ 364.154549] ? smp_reschedule_interrupt+0x109/0x650 [ 364.159573] ? smp_call_function_single_interrupt+0x650/0x650 [ 364.165462] ? interrupt_entry+0xb5/0xf0 [ 364.169532] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.174550] ? trace_hardirqs_off_caller+0xbb/0x310 [ 364.179567] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.184411] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.189424] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.194444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.199983] ? check_preemption_disabled+0x48/0x280 [ 364.204997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.210579] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.215435] apic_timer_interrupt+0xf/0x20 [ 364.219662] [ 364.221903] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 364.226840] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 364.245747] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 364.253460] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 364.260731] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 364.267997] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 364.275264] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 364.282532] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 364.289848] skb_clone+0x1bb/0x500 [ 364.293389] ? finish_task_switch+0x1b4/0x910 [ 364.297885] ? skb_split+0x11e0/0x11e0 [ 364.301775] ? preempt_notifier_register+0x200/0x200 [ 364.306879] ? __switch_to_asm+0x34/0x70 [ 364.310959] ? __switch_to_asm+0x34/0x70 [ 364.315023] ? __switch_to_asm+0x40/0x70 [ 364.319085] ? __switch_to_asm+0x34/0x70 [ 364.323144] ? __switch_to_asm+0x40/0x70 [ 364.327213] ? __switch_to_asm+0x34/0x70 [ 364.331273] ? __switch_to_asm+0x40/0x70 [ 364.335334] ? __switch_to_asm+0x34/0x70 [ 364.339396] ? __switch_to_asm+0x34/0x70 [ 364.343453] ? __switch_to_asm+0x40/0x70 [ 364.347515] ? __switch_to_asm+0x34/0x70 [ 364.351590] bpf_clone_redirect+0xb9/0x490 [ 364.355832] ? __schedule+0x874/0x1ed0 [ 364.359742] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 364.364782] ? __sched_text_start+0x8/0x8 [ 364.368950] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.373534] ? retint_kernel+0x2d/0x2d [ 364.377426] ? trace_hardirqs_on_caller+0xc0/0x310 [ 364.382363] ? find_held_lock+0x36/0x1c0 [ 364.386433] ? lock_acquire+0x1ed/0x520 [ 364.390410] ? bpf_test_run+0x32e/0x5a0 [ 364.394385] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.399923] ? check_preemption_disabled+0x48/0x280 [ 364.404954] ? kasan_check_read+0x11/0x20 [ 364.409108] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.414390] ? rcu_bh_qs+0xc0/0xc0 [ 364.417954] ? preempt_schedule+0x4d/0x60 [ 364.422121] ? ___preempt_schedule+0x16/0x18 [ 364.426537] ? bpf_test_run+0x1c0/0x5a0 [ 364.430530] ? netlink_diag_dump+0x2a0/0x2a0 [ 364.434948] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.440484] ? bpf_test_init.isra.9+0x70/0x100 [ 364.445072] ? bpf_prog_test_run_skb+0x634/0xb40 [ 364.450442] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.455284] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 364.460817] ? fput+0x130/0x1a0 [ 364.464099] ? __bpf_prog_get+0x9b/0x290 [ 364.468175] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 364.473021] ? bpf_prog_test_run+0x130/0x1a0 [ 364.477439] ? __x64_sys_bpf+0x3d8/0x510 [ 364.481501] ? bpf_prog_get+0x20/0x20 [ 364.485324] ? do_syscall_64+0x1b9/0x820 [ 364.489397] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 364.494765] ? syscall_return_slowpath+0x5e0/0x5e0 [ 364.499703] ? trace_hardirqs_on_caller+0x310/0x310 [ 364.504721] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 364.509735] ? recalc_sigpending_tsk+0x180/0x180 [ 364.514498] ? kasan_check_write+0x14/0x20 [ 364.518744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 364.523595] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 364.528983] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 364.529058] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 364.535736] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 364.535741] Call Trace: [ 364.535764] dump_stack+0x1c4/0x2b6 [ 364.535782] ? dump_stack_print_info.cold.1+0x20/0x20 [ 364.535809] warn_alloc.cold.119+0xb7/0x1bd [ 364.542383] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 364.551636] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 364.554195] syz-executor1 cpuset= [ 364.557815] ? lock_downgrade+0x900/0x900 [ 364.562991] syz1 [ 364.567326] ? trace_hardirqs_off+0xb8/0x310 [ 364.577783] mems_allowed=0 [ 364.599500] ? trace_hardirqs_off+0xb8/0x310 [ 364.603921] __alloc_pages_slowpath+0x265e/0x2d70 [ 364.608799] ? warn_alloc+0x120/0x120 [ 364.612609] ? warn_alloc+0x120/0x120 [ 364.616417] ? print_usage_bug+0xc0/0xc0 [ 364.620502] ? warn_alloc+0x120/0x120 [ 364.624325] ? print_usage_bug+0xc0/0xc0 [ 364.628403] ? __lock_acquire+0x7ec/0x4ec0 [ 364.632651] ? __lock_acquire+0x7ec/0x4ec0 [ 364.636886] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.642424] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 364.647969] ? should_fail+0x22d/0xd01 [ 364.651863] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.656965] ? __lock_acquire+0x7ec/0x4ec0 [ 364.661204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 364.666310] ? __lock_acquire+0x7ec/0x4ec0 [ 364.670545] ? should_fail+0x22d/0xd01 [ 364.674448] ? mark_held_locks+0x130/0x130 [ 364.678687] ? mark_held_locks+0x130/0x130 [ 364.682927] ? graph_lock+0x170/0x170 [ 364.686729] ? print_usage_bug+0xc0/0xc0 [ 364.690790] ? graph_lock+0x170/0x170 [ 364.694587] ? print_usage_bug+0xc0/0xc0 [ 364.698647] ? wq_watchdog_touch+0x9c/0xfe [ 364.702884] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.708426] ? check_preemption_disabled+0x48/0x280 [ 364.713456] ? check_preemption_disabled+0x48/0x280 [ 364.718482] ? __lock_is_held+0xb5/0x140 [ 364.722554] __alloc_pages_nodemask+0xa80/0xde0 [ 364.727238] ? graph_lock+0x170/0x170 [ 364.731049] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 364.736064] ? graph_lock+0x170/0x170 [ 364.739879] ? find_held_lock+0x36/0x1c0 [ 364.743952] ? ____cache_alloc_node+0x1c7/0x1e0 [ 364.748622] ? lock_downgrade+0x900/0x900 [ 364.752783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.758328] cache_grow_begin+0x91/0x8c0 [ 364.762391] ? do_raw_spin_unlock+0xa7/0x330 [ 364.766810] fallback_alloc+0x203/0x2e0 [ 364.770796] ____cache_alloc_node+0x1c7/0x1e0 [ 364.775300] kmem_cache_alloc_node+0xe3/0x730 [ 364.779801] ? ipv6_get_ifaddr+0x42e/0x620 [ 364.784237] __alloc_skb+0x119/0x770 [ 364.787956] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.793242] ? skb_scrub_packet+0x490/0x490 [ 364.797562] ? lock_downgrade+0x900/0x900 [ 364.801720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.807263] ? refcount_sub_and_test_checked+0x203/0x310 [ 364.812723] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 364.818188] ? addrconf_rs_timer+0x690/0x690 [ 364.822611] ndisc_alloc_skb+0x144/0x340 [ 364.826683] ndisc_send_rs+0x331/0x6e0 [ 364.830577] addrconf_rs_timer+0x314/0x690 [ 364.834825] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.839077] call_timer_fn+0x272/0x920 [ 364.842964] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.847201] ? process_timeout+0x40/0x40 [ 364.851263] ? find_held_lock+0x36/0x1c0 [ 364.855352] ? __run_timers+0x7da/0xc70 [ 364.859340] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.863873] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.868369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.872609] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 364.877207] ? trace_hardirqs_on+0xbd/0x310 [ 364.881531] ? kasan_check_read+0x11/0x20 [ 364.885679] ? __run_timers+0x7da/0xc70 [ 364.889658] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.895114] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.899357] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 364.903593] __run_timers+0x7e5/0xc70 [ 364.907408] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 364.912782] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.917509] ? _raw_spin_unlock_irq+0x27/0x80 [ 364.922010] ? lockdep_hardirqs_on+0x421/0x5c0 [ 364.926593] ? trace_hardirqs_on+0xbd/0x310 [ 364.930916] ? kasan_check_read+0x11/0x20 [ 364.935065] ? finish_task_switch+0x1f4/0x910 [ 364.939563] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 364.945014] ? compat_start_thread+0x80/0x80 [ 364.949441] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.954995] ? pvclock_read_flags+0x160/0x160 [ 364.959498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.965039] ? check_preemption_disabled+0x48/0x280 [ 364.970068] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 364.975603] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 364.980884] ? rcu_pm_notify+0xc0/0xc0 [ 364.984774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 364.990316] ? check_preemption_disabled+0x48/0x280 [ 364.995351] run_timer_softirq+0x52/0xb0 [ 364.999411] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.004443] __do_softirq+0x30c/0xb03 [ 365.008258] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.013364] ? trace_hardirqs_off+0xb8/0x310 [ 365.017782] ? schedule+0x108/0x460 [ 365.021443] ? trace_hardirqs_off+0xb8/0x310 [ 365.025853] ? smpboot_thread_fn+0x68b/0xa00 [ 365.030265] ? trace_hardirqs_on+0x310/0x310 [ 365.034680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.040221] ? check_preemption_disabled+0x48/0x280 [ 365.045247] ? takeover_tasklets+0xa90/0xa90 [ 365.049677] run_ksoftirqd+0x94/0x100 [ 365.053490] smpboot_thread_fn+0x68b/0xa00 [ 365.057729] ? sort_range+0x30/0x30 [ 365.061359] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 365.066466] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.072003] ? __kthread_parkme+0xfb/0x1a0 [ 365.076260] kthread+0x35a/0x420 [ 365.079635] ? sort_range+0x30/0x30 [ 365.083260] ? kthread_bind+0x40/0x40 [ 365.087065] ret_from_fork+0x3a/0x50 [ 365.090794] warn_alloc_show_mem: 1 callbacks suppressed [ 365.090807] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 365.090809] Mem-Info: [ 365.090839] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 365.090839] active_file:15 inactive_file:13 isolated_file:0 [ 365.090839] unevictable:0 dirty:0 writeback:0 unstable:0 [ 365.090839] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 365.090839] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 365.090839] free:13788 free_pcp:609 free_cma:0 [ 365.096214] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 365.103506] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 365.105901] Call Trace: [ 365.138796] Node 0 [ 365.148152] [ 365.175674] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 365.178242] dump_stack+0x1c4/0x2b6 [ 365.180444] lowmem_reserve[]: 0 [ 365.182600] ? dump_stack_print_info.cold.1+0x20/0x20 [ 365.208077] 2819 6323 [ 365.211726] warn_alloc.cold.119+0xb7/0x1bd [ 365.214957] 6323 [ 365.220153] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 365.222629] Node 0 [ 365.226947] ? lock_downgrade+0x900/0x900 [ 365.229002] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 365.233814] ? trace_hardirqs_off+0xb8/0x310 [ 365.236018] lowmem_reserve[]: 0 [ 365.240176] ? trace_hardirqs_off+0xb8/0x310 [ 365.267069] 0 [ 365.271491] __alloc_pages_slowpath+0x265e/0x2d70 [ 365.274729] 3503 [ 365.279180] ? warn_alloc+0x120/0x120 [ 365.280930] 3503 [ 365.285770] ? trace_hardirqs_on+0x310/0x310 [ 365.291598] ? warn_alloc+0x120/0x120 [ 365.293635] Node 0 [ 365.298036] ? print_usage_bug+0xc0/0xc0 [ 365.301838] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 365.304046] ? warn_alloc+0x120/0x120 [ 365.308074] lowmem_reserve[]: 0 [ 365.336449] ? ktime_get+0x2e1/0x440 [ 365.336467] ? print_usage_bug+0xc0/0xc0 [ 365.340242] 0 0 [ 365.343525] ? __lock_acquire+0x7ec/0x4ec0 [ 365.347213] 0 [ 365.351274] ? __lock_acquire+0x7ec/0x4ec0 [ 365.357459] ? kasan_check_read+0x11/0x20 [ 365.359237] Node 0 [ 365.363502] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 365.367624] DMA: 1*4kB [ 365.369872] ? should_fail+0x22d/0xd01 [ 365.375383] (U) [ 365.377965] ? rcu_bh_qs+0xc0/0xc0 [ 365.381828] 0*8kB [ 365.383797] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.387310] 0*16kB [ 365.389452] ? __lock_acquire+0x7ec/0x4ec0 [ 365.389472] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 365.394550] 1*32kB [ 365.396797] ? __lock_acquire+0x7ec/0x4ec0 [ 365.401007] (U) [ 365.406105] ? should_fail+0x22d/0xd01 [ 365.408321] 2*64kB [ 365.412553] ? rcu_idle_enter+0x4b0/0x4b0 [ 365.414509] (U) [ 365.418408] ? mark_held_locks+0x130/0x130 [ 365.420621] 1*128kB [ 365.424762] ? mark_held_locks+0x130/0x130 [ 365.426713] (U) [ 365.430947] ? mark_held_locks+0xc7/0x130 [ 365.433266] 1*256kB (U) [ 365.437504] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 365.439456] 0*512kB [ 365.443592] ? graph_lock+0x170/0x170 [ 365.446239] 1*1024kB [ 365.451247] ? print_usage_bug+0xc0/0xc0 [ 365.453547] (U) [ 365.457345] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.459730] 1*2048kB [ 365.463790] ? check_preemption_disabled+0x48/0x280 [ 365.465748] (M) [ 365.471277] ? check_preemption_disabled+0x48/0x280 [ 365.473662] 3*4096kB [ 365.478683] ? __lock_is_held+0xb5/0x140 [ 365.480625] (M) [ 365.485635] __alloc_pages_nodemask+0xa80/0xde0 [ 365.488014] = 15908kB [ 365.492067] ? graph_lock+0x170/0x170 [ 365.494017] Node 0 [ 365.498677] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 365.501062] DMA32: [ 365.504854] ? graph_lock+0x170/0x170 [ 365.507064] 5*4kB [ 365.512079] ? find_held_lock+0x36/0x1c0 [ 365.514284] (UM) [ 365.518082] ? ____cache_alloc_node+0x1c7/0x1e0 [ 365.520202] 0*8kB [ 365.524253] ? lock_downgrade+0x900/0x900 [ 365.526294] 3*16kB [ 365.530961] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.533074] (UM) 2*32kB [ 365.537232] cache_grow_begin+0x91/0x8c0 [ 365.539447] (M) [ 365.544982] ? do_raw_spin_unlock+0xa7/0x330 [ 365.547629] 5*64kB [ 365.551688] fallback_alloc+0x203/0x2e0 [ 365.553634] (UM) [ 365.558038] ____cache_alloc_node+0x1c7/0x1e0 [ 365.560246] 4*128kB [ 365.564233] kmem_cache_alloc_node+0xe3/0x730 [ 365.566269] (UM) [ 365.570767] ? ipv6_get_ifaddr+0x42e/0x620 [ 365.573064] 3*256kB [ 365.577553] __alloc_skb+0x119/0x770 [ 365.579586] (M) [ 365.583818] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 365.586109] 4*512kB (UM) [ 365.589826] ? skb_scrub_packet+0x490/0x490 [ 365.591780] 3*1024kB [ 365.597050] ? lock_downgrade+0x900/0x900 [ 365.599781] (UM) [ 365.604100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.606480] 3*2048kB [ 365.610620] ? refcount_sub_and_test_checked+0x203/0x310 [ 365.612657] (M) [ 365.618192] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 365.620581] 3*4096kB [ 365.626025] ? addrconf_rs_timer+0x690/0x690 [ 365.627974] (M) [ 365.633443] ndisc_alloc_skb+0x144/0x340 [ 365.635828] = 25284kB [ 365.640234] ndisc_send_rs+0x331/0x6e0 [ 365.642188] Node 0 [ 365.646248] addrconf_rs_timer+0x314/0x690 [ 365.648633] Normal: [ 365.652516] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.654730] 888*4kB [ 365.658968] call_timer_fn+0x272/0x920 [ 365.661258] (UMEH) [ 365.665491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.667788] 387*8kB [ 365.671669] ? process_timeout+0x40/0x40 [ 365.674481] (UME) [ 365.678713] ? find_held_lock+0x36/0x1c0 [ 365.681023] 157*16kB [ 365.685079] ? __run_timers+0x7da/0xc70 [ 365.687199] (UME) [ 365.691260] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.693648] 53*32kB [ 365.697630] ? _raw_spin_unlock_irq+0x27/0x80 [ 365.699754] (UMEH) [ 365.704241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.706543] 26*64kB [ 365.711028] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 365.713243] (UMH) [ 365.717472] ? trace_hardirqs_on+0xbd/0x310 [ 365.719765] 4*128kB (UMH) [ 365.724349] ? kasan_check_read+0x11/0x20 [ 365.726476] 0*256kB [ 365.730800] ? __run_timers+0x7da/0xc70 [ 365.733617] 0*512kB [ 365.737776] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 365.740079] 1*1024kB [ 365.744050] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.746348] (H) [ 365.751791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 365.754183] 0*2048kB [ 365.758413] __run_timers+0x7e5/0xc70 [ 365.760362] 0*4096kB [ 365.764598] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 365.766976] = 14056kB [ 365.770767] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 365.773157] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 365.778516] ? graph_lock+0x170/0x170 [ 365.780907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 365.785913] ? enqueue_hrtimer+0x1a5/0x560 [ 365.794723] 147 total pagecache pages [ 365.798527] ? lock_release+0x970/0x970 [ 365.807101] 0 pages in swap cache [ 365.811325] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 365.815104] Swap cache stats: add 0, delete 0, find 0/0 [ 365.819069] ? find_held_lock+0x36/0x1c0 [ 365.822495] Free swap = 0kB [ 365.827689] ? graph_lock+0x170/0x170 [ 365.833031] Total swap = 0kB [ 365.837096] ? pvclock_read_flags+0x160/0x160 [ 365.840088] 1965979 pages RAM [ 365.843883] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.846868] 0 pages HighMem/MovableOnly [ 365.846876] 342307 pages reserved [ 365.851374] ? check_preemption_disabled+0x48/0x280 [ 365.854459] 0 pages cma reserved [ 365.859998] ? __lock_is_held+0xb5/0x140 [ 365.864012] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 365.867395] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.872490] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 365.875753] ? check_preemption_disabled+0x48/0x280 [ 365.879794] ksoftirqd/0 cpuset= [ 365.886283] run_timer_softirq+0x52/0xb0 [ 365.891792] / [ 365.902107] ? rcu_read_lock_sched_held+0x108/0x120 [ 365.907102] mems_allowed=0 [ 365.910373] __do_softirq+0x30c/0xb03 [ 365.927835] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 365.932957] ? pvclock_read_flags+0x160/0x160 [ 365.937458] ? lapic_next_event+0x5a/0x90 [ 365.941617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.947157] ? check_preemption_disabled+0x48/0x280 [ 365.952194] ? check_preemption_disabled+0x48/0x280 [ 365.957219] ? kvm_clock_read+0x18/0x30 [ 365.961200] ? kvm_sched_clock_read+0x9/0x20 [ 365.965636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 365.971198] ? check_preemption_disabled+0x48/0x280 [ 365.976233] irq_exit+0x17f/0x1c0 [ 365.979700] smp_apic_timer_interrupt+0x1cb/0x760 [ 365.984542] ? smp_reschedule_interrupt+0x109/0x650 [ 365.989559] ? smp_call_function_single_interrupt+0x650/0x650 [ 365.995443] ? interrupt_entry+0xb5/0xf0 [ 365.999508] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.004523] ? trace_hardirqs_off_caller+0xbb/0x310 [ 366.009541] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.014474] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.019491] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.024524] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.030064] ? check_preemption_disabled+0x48/0x280 [ 366.035081] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.040629] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.045486] apic_timer_interrupt+0xf/0x20 [ 366.049713] [ 366.051985] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 366.056917] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 366.075821] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 366.083545] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 366.090812] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 366.098082] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 366.105346] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 366.112612] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 366.119926] skb_clone+0x1bb/0x500 [ 366.123477] ? finish_task_switch+0x1b4/0x910 [ 366.127977] ? skb_split+0x11e0/0x11e0 [ 366.131870] ? preempt_notifier_register+0x200/0x200 [ 366.136969] ? __switch_to_asm+0x34/0x70 [ 366.141068] ? __switch_to_asm+0x34/0x70 [ 366.145129] ? __switch_to_asm+0x40/0x70 [ 366.149197] ? __switch_to_asm+0x34/0x70 [ 366.153254] ? __switch_to_asm+0x40/0x70 [ 366.157317] ? __switch_to_asm+0x34/0x70 [ 366.161375] ? __switch_to_asm+0x40/0x70 [ 366.165435] ? __switch_to_asm+0x34/0x70 [ 366.169498] ? __switch_to_asm+0x34/0x70 [ 366.173558] ? __switch_to_asm+0x40/0x70 [ 366.177614] ? __switch_to_asm+0x34/0x70 [ 366.181684] bpf_clone_redirect+0xb9/0x490 [ 366.185922] ? __schedule+0x874/0x1ed0 [ 366.189823] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 366.194848] ? __sched_text_start+0x8/0x8 [ 366.199004] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.203595] ? retint_kernel+0x2d/0x2d [ 366.207484] ? trace_hardirqs_on_caller+0xc0/0x310 [ 366.212421] ? find_held_lock+0x36/0x1c0 [ 366.216493] ? lock_acquire+0x1ed/0x520 [ 366.220471] ? bpf_test_run+0x32e/0x5a0 [ 366.224445] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.229990] ? check_preemption_disabled+0x48/0x280 [ 366.235013] ? kasan_check_read+0x11/0x20 [ 366.239173] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.244455] ? rcu_bh_qs+0xc0/0xc0 [ 366.248014] ? preempt_schedule+0x4d/0x60 [ 366.252178] ? ___preempt_schedule+0x16/0x18 [ 366.256605] ? bpf_test_run+0x1c0/0x5a0 [ 366.260592] ? netlink_diag_dump+0x2a0/0x2a0 [ 366.265006] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.270542] ? bpf_test_init.isra.9+0x70/0x100 [ 366.275126] ? bpf_prog_test_run_skb+0x634/0xb40 [ 366.279888] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 366.284730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 366.290264] ? fput+0x130/0x1a0 [ 366.293543] ? __bpf_prog_get+0x9b/0x290 [ 366.297604] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 366.302449] ? bpf_prog_test_run+0x130/0x1a0 [ 366.306868] ? __x64_sys_bpf+0x3d8/0x510 [ 366.310942] ? bpf_prog_get+0x20/0x20 [ 366.314765] ? do_syscall_64+0x1b9/0x820 [ 366.318826] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 366.324212] ? syscall_return_slowpath+0x5e0/0x5e0 [ 366.329153] ? trace_hardirqs_on_caller+0x310/0x310 [ 366.334194] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 366.339216] ? recalc_sigpending_tsk+0x180/0x180 [ 366.343988] ? kasan_check_write+0x14/0x20 [ 366.348231] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 366.353083] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 366.358466] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 366.358539] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 366.365227] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.365234] Call Trace: [ 366.365261] dump_stack+0x1c4/0x2b6 [ 366.365277] ? dump_stack_print_info.cold.1+0x20/0x20 [ 366.365308] warn_alloc.cold.119+0xb7/0x1bd [ 366.371920] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 366.381195] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 366.383806] syz-executor1 cpuset= [ 366.387439] ? lock_downgrade+0x900/0x900 [ 366.392593] syz1 [ 366.396911] ? trace_hardirqs_off+0xb8/0x310 [ 366.407368] mems_allowed=0 [ 366.412205] ? trace_hardirqs_off+0xb8/0x310 [ 366.433473] __alloc_pages_slowpath+0x265e/0x2d70 [ 366.438358] ? warn_alloc+0x120/0x120 [ 366.442178] ? warn_alloc+0x120/0x120 [ 366.445987] ? print_usage_bug+0xc0/0xc0 [ 366.450063] ? warn_alloc+0x120/0x120 [ 366.453867] ? print_usage_bug+0xc0/0xc0 [ 366.457933] ? __lock_acquire+0x7ec/0x4ec0 [ 366.462179] ? __lock_acquire+0x7ec/0x4ec0 [ 366.466418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.471959] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.477498] ? should_fail+0x22d/0xd01 [ 366.481390] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.486495] ? __lock_acquire+0x7ec/0x4ec0 [ 366.490738] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 366.495838] ? __lock_acquire+0x7ec/0x4ec0 [ 366.500070] ? should_fail+0x22d/0xd01 [ 366.503967] ? mark_held_locks+0x130/0x130 [ 366.508207] ? mark_held_locks+0x130/0x130 [ 366.512452] ? mark_held_locks+0xc7/0x130 [ 366.516605] ? print_usage_bug+0xc0/0xc0 [ 366.520667] ? graph_lock+0x170/0x170 [ 366.524470] ? print_usage_bug+0xc0/0xc0 [ 366.528535] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.534102] ? check_preemption_disabled+0x48/0x280 [ 366.539141] ? check_preemption_disabled+0x48/0x280 [ 366.544183] ? __lock_is_held+0xb5/0x140 [ 366.548255] __alloc_pages_nodemask+0xa80/0xde0 [ 366.552930] ? graph_lock+0x170/0x170 [ 366.556740] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 366.561760] ? graph_lock+0x170/0x170 [ 366.565576] ? find_held_lock+0x36/0x1c0 [ 366.569662] ? ____cache_alloc_node+0x1c7/0x1e0 [ 366.574332] ? lock_downgrade+0x900/0x900 [ 366.578489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.584031] cache_grow_begin+0x91/0x8c0 [ 366.588097] ? do_raw_spin_unlock+0xa7/0x330 [ 366.592517] fallback_alloc+0x203/0x2e0 [ 366.596501] ____cache_alloc_node+0x1c7/0x1e0 [ 366.601001] kmem_cache_alloc_node+0xe3/0x730 [ 366.605499] ? ipv6_get_ifaddr+0x42e/0x620 [ 366.609831] __alloc_skb+0x119/0x770 [ 366.613551] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.618832] ? skb_scrub_packet+0x490/0x490 [ 366.623171] ? lock_downgrade+0x900/0x900 [ 366.627327] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.632870] ? refcount_sub_and_test_checked+0x203/0x310 [ 366.638327] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 366.643777] ? addrconf_rs_timer+0x690/0x690 [ 366.648210] ndisc_alloc_skb+0x144/0x340 [ 366.652282] ndisc_send_rs+0x331/0x6e0 [ 366.656185] addrconf_rs_timer+0x314/0x690 [ 366.660438] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.664688] call_timer_fn+0x272/0x920 [ 366.668580] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.672816] ? process_timeout+0x40/0x40 [ 366.676876] ? find_held_lock+0x36/0x1c0 [ 366.680947] ? __run_timers+0x7da/0xc70 [ 366.684923] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.689417] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.693914] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.698152] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 366.702746] ? trace_hardirqs_on+0xbd/0x310 [ 366.707068] ? kasan_check_read+0x11/0x20 [ 366.711222] ? __run_timers+0x7da/0xc70 [ 366.715204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.720663] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.724903] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 366.729137] __run_timers+0x7e5/0xc70 [ 366.732995] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 366.738368] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.742866] ? _raw_spin_unlock_irq+0x27/0x80 [ 366.747365] ? lockdep_hardirqs_on+0x421/0x5c0 [ 366.751949] ? trace_hardirqs_on+0xbd/0x310 [ 366.756274] ? kasan_check_read+0x11/0x20 [ 366.760428] ? finish_task_switch+0x1f4/0x910 [ 366.764934] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 366.770387] ? compat_start_thread+0x80/0x80 [ 366.774813] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.780365] ? pvclock_read_flags+0x160/0x160 [ 366.785092] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.790634] ? check_preemption_disabled+0x48/0x280 [ 366.795659] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 366.801198] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 366.806480] ? rcu_pm_notify+0xc0/0xc0 [ 366.810369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 366.815912] ? check_preemption_disabled+0x48/0x280 [ 366.820938] run_timer_softirq+0x52/0xb0 [ 366.824998] ? rcu_read_lock_sched_held+0x108/0x120 [ 366.830017] __do_softirq+0x30c/0xb03 [ 366.833829] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 366.838930] ? trace_hardirqs_off+0xb8/0x310 [ 366.843347] ? schedule+0x108/0x460 [ 366.846989] ? trace_hardirqs_off+0xb8/0x310 [ 366.851402] ? smpboot_thread_fn+0x68b/0xa00 [ 366.855815] ? trace_hardirqs_on+0x310/0x310 [ 366.860227] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.865765] ? check_preemption_disabled+0x48/0x280 [ 366.870784] ? takeover_tasklets+0xa90/0xa90 [ 366.875199] run_ksoftirqd+0x94/0x100 [ 366.879004] smpboot_thread_fn+0x68b/0xa00 [ 366.883246] ? sort_range+0x30/0x30 [ 366.886878] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 366.891986] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 366.897525] ? __kthread_parkme+0xfb/0x1a0 [ 366.901765] kthread+0x35a/0x420 [ 366.905130] ? sort_range+0x30/0x30 [ 366.908761] ? kthread_bind+0x40/0x40 [ 366.912562] ret_from_fork+0x3a/0x50 [ 366.916534] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 366.916540] warn_alloc_show_mem: 1 callbacks suppressed [ 366.916547] Mem-Info: [ 366.923818] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 366.929203] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 366.929203] active_file:15 inactive_file:13 isolated_file:0 [ 366.929203] unevictable:0 dirty:0 writeback:0 unstable:0 [ 366.929203] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 366.929203] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 366.929203] free:13788 free_pcp:609 free_cma:0 [ 366.931571] Call Trace: [ 366.940955] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 366.974381] [ 366.976962] Node 0 [ 367.004465] dump_stack+0x1c4/0x2b6 [ 367.006608] 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 [ 367.008821] ? dump_stack_print_info.cold.1+0x20/0x20 [ 367.012419] lowmem_reserve[]: [ 367.037958] warn_alloc.cold.119+0xb7/0x1bd [ 367.043113] 0 [ 367.046215] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 367.050506] 2819 [ 367.052303] ? lock_downgrade+0x900/0x900 [ 367.057109] 6323 6323 [ 367.059186] ? trace_hardirqs_off+0xb8/0x310 [ 367.063307] Node 0 [ 367.065798] ? trace_hardirqs_off+0xb8/0x310 [ 367.070213] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 367.072429] __alloc_pages_slowpath+0x265e/0x2d70 [ 367.076808] lowmem_reserve[]: [ 367.103721] ? warn_alloc+0x120/0x120 [ 367.108512] 0 [ 367.111609] ? trace_hardirqs_on+0x310/0x310 [ 367.115380] 0 [ 367.117186] ? warn_alloc+0x120/0x120 [ 367.121569] 3503 [ 367.123367] ? print_usage_bug+0xc0/0xc0 [ 367.127138] 3503 [ 367.129203] ? warn_alloc+0x120/0x120 [ 367.135300] ? ktime_get+0x2e1/0x440 [ 367.139074] Node 0 [ 367.142776] ? print_usage_bug+0xc0/0xc0 [ 367.142807] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 367.142814] lowmem_reserve[]: [ 367.145049] ? __lock_acquire+0x7ec/0x4ec0 [ 367.149081] 0 0 [ 367.177454] ? __lock_acquire+0x7ec/0x4ec0 [ 367.177474] ? kasan_check_read+0x11/0x20 [ 367.180563] 0 [ 367.184792] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 367.186736] 0 [ 367.190969] ? should_fail+0x22d/0xd01 [ 367.195094] Node 0 [ 367.196893] ? rcu_bh_qs+0xc0/0xc0 [ 367.202406] DMA: [ 367.204228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.208086] 1*4kB [ 367.210318] ? __lock_acquire+0x7ec/0x4ec0 [ 367.213830] (U) [ 367.215887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 367.220988] 0*8kB [ 367.223130] ? __lock_acquire+0x7ec/0x4ec0 [ 367.227346] 0*16kB [ 367.229316] ? should_fail+0x22d/0xd01 [ 367.234391] 1*32kB (U) [ 367.236548] ? rcu_idle_enter+0x4b0/0x4b0 [ 367.240756] 2*64kB [ 367.242990] ? mark_held_locks+0x130/0x130 [ 367.246844] (U) 1*128kB [ 367.249433] ? mark_held_locks+0x130/0x130 [ 367.253570] (U) [ 367.255802] ? mark_held_locks+0xc7/0x130 [ 367.260010] 1*256kB [ 367.262675] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 367.266884] (U) [ 367.268855] ? graph_lock+0x170/0x170 [ 367.272978] 0*512kB [ 367.275296] ? print_usage_bug+0xc0/0xc0 [ 367.280290] 1*1024kB [ 367.282257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.286028] (U) [ 367.288348] ? check_preemption_disabled+0x48/0x280 [ 367.292389] 1*2048kB (M) [ 367.294796] ? check_preemption_disabled+0x48/0x280 [ 367.294820] ? __lock_is_held+0xb5/0x140 [ 367.300320] 3*4096kB (M) [ 367.302305] __alloc_pages_nodemask+0xa80/0xde0 [ 367.307284] = 15908kB [ 367.307292] Node 0 [ 367.310059] ? graph_lock+0x170/0x170 [ 367.315054] DMA32: [ 367.319111] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 367.321840] 5*4kB [ 367.326498] ? graph_lock+0x170/0x170 [ 367.328883] (UM) [ 367.331120] ? find_held_lock+0x36/0x1c0 [ 367.334887] 0*8kB [ 367.337124] ? ____cache_alloc_node+0x1c7/0x1e0 [ 367.342112] 3*16kB [ 367.344255] ? lock_downgrade+0x900/0x900 [ 367.348030] (UM) [ 367.350091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.354118] 2*32kB (M) [ 367.356272] cache_grow_begin+0x91/0x8c0 [ 367.360916] 5*64kB [ 367.363153] ? do_raw_spin_unlock+0xa7/0x330 [ 367.367285] (UM) [ 367.369344] fallback_alloc+0x203/0x2e0 [ 367.374852] 4*128kB [ 367.377431] ____cache_alloc_node+0x1c7/0x1e0 [ 367.381461] (UM) 3*256kB [ 367.383700] kmem_cache_alloc_node+0xe3/0x730 [ 367.388077] (M) 4*512kB [ 367.390146] ? ipv6_get_ifaddr+0x42e/0x620 [ 367.394091] (UM) [ 367.396411] __alloc_skb+0x119/0x770 [ 367.400870] 3*1024kB (UM) [ 367.403631] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 367.408103] 3*2048kB [ 367.410765] ? skb_scrub_packet+0x490/0x490 [ 367.414971] (M) [ 367.417028] ? lock_downgrade+0x900/0x900 [ 367.420719] 3*4096kB [ 367.423557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.428801] (M) [ 367.431222] ? refcount_sub_and_test_checked+0x203/0x310 [ 367.435529] = 25284kB [ 367.437503] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 367.441630] Node 0 [ 367.444036] ? addrconf_rs_timer+0x690/0x690 [ 367.449542] Normal: 888*4kB [ 367.451530] ndisc_alloc_skb+0x144/0x340 [ 367.456947] (UMEH) [ 367.459351] ndisc_send_rs+0x331/0x6e0 [ 367.464775] 387*8kB [ 367.467005] addrconf_rs_timer+0x314/0x690 [ 367.471386] (UME) [ 367.474402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.478428] 157*16kB (UME) [ 367.480674] call_timer_fn+0x272/0x920 [ 367.484533] 53*32kB [ 367.486849] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.491058] (UMEH) [ 367.493201] ? process_timeout+0x40/0x40 [ 367.497410] 26*64kB [ 367.500334] ? find_held_lock+0x36/0x1c0 [ 367.504193] (UMH) [ 367.506519] ? __run_timers+0x7da/0xc70 [ 367.510722] 4*128kB [ 367.512959] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.516993] (UMH) [ 367.519308] ? _raw_spin_unlock_irq+0x27/0x80 [ 367.523364] 0*256kB 0*512kB [ 367.525530] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.529473] 1*1024kB [ 367.531790] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 367.536256] (H) 0*2048kB [ 367.538414] ? trace_hardirqs_on+0xbd/0x310 [ 367.542886] 0*4096kB [ 367.545904] ? kasan_check_read+0x11/0x20 [ 367.550109] = 14056kB [ 367.552512] ? __run_timers+0x7da/0xc70 [ 367.557074] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 367.559820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 367.564123] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 367.566526] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.570647] 147 total pagecache pages [ 367.573051] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 367.577005] 0 pages in swap cache [ 367.585826] __run_timers+0x7e5/0xc70 [ 367.591252] Swap cache stats: add 0, delete 0, find 0/0 [ 367.599823] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 367.604020] Free swap = 0kB [ 367.607811] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 367.612018] Total swap = 0kB [ 367.615460] ? graph_lock+0x170/0x170 [ 367.619236] 1965979 pages RAM [ 367.624593] ? enqueue_hrtimer+0x1a5/0x560 [ 367.629966] 0 pages HighMem/MovableOnly [ 367.632975] ? lock_release+0x970/0x970 [ 367.637963] 342307 pages reserved [ 367.637971] 0 pages cma reserved [ 367.640983] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 367.644858] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 367.647865] ? find_held_lock+0x36/0x1c0 [ 367.652197] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 367.656042] ? graph_lock+0x170/0x170 [ 367.659989] ksoftirqd/0 cpuset= [ 367.663440] ? pvclock_read_flags+0x160/0x160 [ 367.666787] / [ 367.671976] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.678464] mems_allowed=0 [ 367.682521] ? check_preemption_disabled+0x48/0x280 [ 367.719488] ? __lock_is_held+0xb5/0x140 [ 367.723552] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.729093] ? check_preemption_disabled+0x48/0x280 [ 367.734119] run_timer_softirq+0x52/0xb0 [ 367.738185] ? rcu_read_lock_sched_held+0x108/0x120 [ 367.743208] __do_softirq+0x30c/0xb03 [ 367.747024] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 367.752135] ? pvclock_read_flags+0x160/0x160 [ 367.756642] ? lapic_next_event+0x5a/0x90 [ 367.760791] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.766331] ? check_preemption_disabled+0x48/0x280 [ 367.771346] ? check_preemption_disabled+0x48/0x280 [ 367.776371] ? kvm_clock_read+0x18/0x30 [ 367.780347] ? kvm_sched_clock_read+0x9/0x20 [ 367.784800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.790339] ? check_preemption_disabled+0x48/0x280 [ 367.795368] irq_exit+0x17f/0x1c0 [ 367.798831] smp_apic_timer_interrupt+0x1cb/0x760 [ 367.803672] ? smp_reschedule_interrupt+0x109/0x650 [ 367.808692] ? smp_call_function_single_interrupt+0x650/0x650 [ 367.814584] ? interrupt_entry+0xb5/0xf0 [ 367.818675] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.823688] ? trace_hardirqs_off_caller+0xbb/0x310 [ 367.828708] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.833552] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.838564] ? trace_hardirqs_on_caller+0x310/0x310 [ 367.843579] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.849117] ? check_preemption_disabled+0x48/0x280 [ 367.854134] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 367.859690] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 367.864542] apic_timer_interrupt+0xf/0x20 [ 367.869329] [ 367.871569] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 367.876497] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 367.895394] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 367.903101] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 367.910371] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 367.918188] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 367.925492] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 367.932928] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 367.940249] skb_clone+0x1bb/0x500 [ 367.943791] ? finish_task_switch+0x1b4/0x910 [ 367.948290] ? skb_split+0x11e0/0x11e0 [ 367.952191] ? preempt_notifier_register+0x200/0x200 [ 367.957295] ? __switch_to_asm+0x34/0x70 [ 367.961357] ? __switch_to_asm+0x34/0x70 [ 367.965431] ? __switch_to_asm+0x40/0x70 [ 367.969491] ? __switch_to_asm+0x34/0x70 [ 367.973566] ? __switch_to_asm+0x40/0x70 [ 367.977619] ? __switch_to_asm+0x34/0x70 [ 367.981681] ? __switch_to_asm+0x40/0x70 [ 367.985736] ? __switch_to_asm+0x34/0x70 [ 367.989825] ? __switch_to_asm+0x34/0x70 [ 367.993884] ? __switch_to_asm+0x40/0x70 [ 367.997971] ? __switch_to_asm+0x34/0x70 [ 368.002041] bpf_clone_redirect+0xb9/0x490 [ 368.006281] ? __schedule+0x874/0x1ed0 [ 368.010194] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 368.015246] ? __sched_text_start+0x8/0x8 [ 368.019396] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.023975] ? retint_kernel+0x2d/0x2d [ 368.027867] ? trace_hardirqs_on_caller+0xc0/0x310 [ 368.032800] ? find_held_lock+0x36/0x1c0 [ 368.036868] ? lock_acquire+0x1ed/0x520 [ 368.040843] ? bpf_test_run+0x32e/0x5a0 [ 368.044816] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.050354] ? check_preemption_disabled+0x48/0x280 [ 368.055381] ? kasan_check_read+0x11/0x20 [ 368.059533] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.064810] ? rcu_bh_qs+0xc0/0xc0 [ 368.068351] ? preempt_schedule+0x4d/0x60 [ 368.072504] ? ___preempt_schedule+0x16/0x18 [ 368.076954] ? bpf_test_run+0x1c0/0x5a0 [ 368.080945] ? netlink_diag_dump+0x2a0/0x2a0 [ 368.085360] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.090893] ? bpf_test_init.isra.9+0x70/0x100 [ 368.095481] ? bpf_prog_test_run_skb+0x634/0xb40 [ 368.100249] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 368.105089] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 368.110626] ? fput+0x130/0x1a0 [ 368.113911] ? __bpf_prog_get+0x9b/0x290 [ 368.117990] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 368.122834] ? bpf_prog_test_run+0x130/0x1a0 [ 368.127247] ? __x64_sys_bpf+0x3d8/0x510 [ 368.131306] ? bpf_prog_get+0x20/0x20 [ 368.135131] ? do_syscall_64+0x1b9/0x820 [ 368.139201] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 368.144570] ? syscall_return_slowpath+0x5e0/0x5e0 [ 368.149502] ? trace_hardirqs_on_caller+0x310/0x310 [ 368.154518] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 368.159548] ? recalc_sigpending_tsk+0x180/0x180 [ 368.164306] ? kasan_check_write+0x14/0x20 [ 368.168552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 368.173402] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 368.178804] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 368.178919] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 368.185586] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.185592] Call Trace: [ 368.185613] dump_stack+0x1c4/0x2b6 [ 368.185637] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.192219] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 368.201482] warn_alloc.cold.119+0xb7/0x1bd [ 368.204037] syz-executor1 cpuset= [ 368.207653] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.212815] syz1 [ 368.223293] ? lock_downgrade+0x900/0x900 [ 368.227593] mems_allowed=0 [ 368.231043] ? trace_hardirqs_off+0xb8/0x310 [ 368.249317] ? trace_hardirqs_off+0xb8/0x310 [ 368.253737] __alloc_pages_slowpath+0x265e/0x2d70 [ 368.258645] ? warn_alloc+0x120/0x120 [ 368.262460] ? warn_alloc+0x120/0x120 [ 368.266268] ? print_usage_bug+0xc0/0xc0 [ 368.270343] ? warn_alloc+0x120/0x120 [ 368.274146] ? print_usage_bug+0xc0/0xc0 [ 368.278222] ? __lock_acquire+0x7ec/0x4ec0 [ 368.282471] ? __lock_acquire+0x7ec/0x4ec0 [ 368.286722] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.292266] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.297804] ? should_fail+0x22d/0xd01 [ 368.301694] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.306795] ? __lock_acquire+0x7ec/0x4ec0 [ 368.311036] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 368.316134] ? __lock_acquire+0x7ec/0x4ec0 [ 368.320371] ? should_fail+0x22d/0xd01 [ 368.324270] ? mark_held_locks+0x130/0x130 [ 368.328508] ? mark_held_locks+0x130/0x130 [ 368.332751] ? mark_held_locks+0xc7/0x130 [ 368.336899] ? print_usage_bug+0xc0/0xc0 [ 368.340957] ? graph_lock+0x170/0x170 [ 368.344761] ? print_usage_bug+0xc0/0xc0 [ 368.348827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.354366] ? check_preemption_disabled+0x48/0x280 [ 368.359388] ? check_preemption_disabled+0x48/0x280 [ 368.364414] ? __lock_is_held+0xb5/0x140 [ 368.368497] __alloc_pages_nodemask+0xa80/0xde0 [ 368.373171] ? graph_lock+0x170/0x170 [ 368.376981] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 368.381997] ? graph_lock+0x170/0x170 [ 368.385812] ? find_held_lock+0x36/0x1c0 [ 368.389881] ? ____cache_alloc_node+0x1c7/0x1e0 [ 368.394550] ? lock_downgrade+0x900/0x900 [ 368.398707] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.404250] cache_grow_begin+0x91/0x8c0 [ 368.408311] ? do_raw_spin_unlock+0xa7/0x330 [ 368.412731] fallback_alloc+0x203/0x2e0 [ 368.416711] ____cache_alloc_node+0x1c7/0x1e0 [ 368.421214] kmem_cache_alloc_node+0xe3/0x730 [ 368.425711] ? ipv6_get_ifaddr+0x42e/0x620 [ 368.429952] __alloc_skb+0x119/0x770 [ 368.433672] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.438951] ? skb_scrub_packet+0x490/0x490 [ 368.443287] ? lock_downgrade+0x900/0x900 [ 368.447451] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.452990] ? refcount_sub_and_test_checked+0x203/0x310 [ 368.458453] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 368.463928] ? addrconf_rs_timer+0x690/0x690 [ 368.468367] ndisc_alloc_skb+0x144/0x340 [ 368.472438] ndisc_send_rs+0x331/0x6e0 [ 368.476334] addrconf_rs_timer+0x314/0x690 [ 368.480574] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.484821] call_timer_fn+0x272/0x920 [ 368.488706] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.492949] ? process_timeout+0x40/0x40 [ 368.497016] ? find_held_lock+0x36/0x1c0 [ 368.501088] ? __run_timers+0x7da/0xc70 [ 368.505064] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.509556] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.514049] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.518283] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 368.522866] ? trace_hardirqs_on+0xbd/0x310 [ 368.527201] ? kasan_check_read+0x11/0x20 [ 368.531351] ? __run_timers+0x7da/0xc70 [ 368.535331] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.540786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.545029] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 368.549263] __run_timers+0x7e5/0xc70 [ 368.553077] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 368.558447] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.562941] ? _raw_spin_unlock_irq+0x27/0x80 [ 368.567443] ? lockdep_hardirqs_on+0x421/0x5c0 [ 368.572032] ? trace_hardirqs_on+0xbd/0x310 [ 368.576351] ? kasan_check_read+0x11/0x20 [ 368.580510] ? finish_task_switch+0x1f4/0x910 [ 368.585006] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 368.590471] ? compat_start_thread+0x80/0x80 [ 368.594895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.600464] ? pvclock_read_flags+0x160/0x160 [ 368.604963] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.610533] ? check_preemption_disabled+0x48/0x280 [ 368.615557] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 368.621111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 368.626389] ? rcu_pm_notify+0xc0/0xc0 [ 368.630282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 368.635824] ? check_preemption_disabled+0x48/0x280 [ 368.640846] run_timer_softirq+0x52/0xb0 [ 368.644910] ? rcu_read_lock_sched_held+0x108/0x120 [ 368.649932] __do_softirq+0x30c/0xb03 [ 368.653747] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 368.658851] ? trace_hardirqs_off+0xb8/0x310 [ 368.663272] ? schedule+0x108/0x460 [ 368.666908] ? trace_hardirqs_off+0xb8/0x310 [ 368.671317] ? smpboot_thread_fn+0x68b/0xa00 [ 368.675724] ? trace_hardirqs_on+0x310/0x310 [ 368.680134] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.685686] ? check_preemption_disabled+0x48/0x280 [ 368.690705] ? takeover_tasklets+0xa90/0xa90 [ 368.695115] run_ksoftirqd+0x94/0x100 [ 368.698922] smpboot_thread_fn+0x68b/0xa00 [ 368.703168] ? sort_range+0x30/0x30 [ 368.706795] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 368.711911] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 368.717478] ? __kthread_parkme+0xfb/0x1a0 [ 368.721723] kthread+0x35a/0x420 [ 368.725101] ? sort_range+0x30/0x30 [ 368.728737] ? kthread_bind+0x40/0x40 [ 368.732536] ret_from_fork+0x3a/0x50 [ 368.736275] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 368.736280] warn_alloc_show_mem: 1 callbacks suppressed [ 368.736287] Mem-Info: [ 368.743555] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 368.748935] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 368.748935] active_file:15 inactive_file:13 isolated_file:0 [ 368.748935] unevictable:0 dirty:0 writeback:0 unstable:0 [ 368.748935] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 368.748935] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 368.748935] free:13788 free_pcp:609 free_cma:0 [ 368.751312] Call Trace: [ 368.760721] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 368.793570] [ 368.796141] Node 0 [ 368.823640] dump_stack+0x1c4/0x2b6 [ 368.825783] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 368.827991] ? dump_stack_print_info.cold.1+0x20/0x20 [ 368.831585] lowmem_reserve[]: 0 [ 368.857101] warn_alloc.cold.119+0xb7/0x1bd [ 368.862262] 2819 [ 368.865538] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 368.869833] 6323 [ 368.871893] ? lock_downgrade+0x900/0x900 [ 368.876702] 6323 [ 368.878769] ? trace_hardirqs_off+0xb8/0x310 [ 368.882884] Node 0 [ 368.884948] ? trace_hardirqs_off+0xb8/0x310 [ 368.889346] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 368.891560] __alloc_pages_slowpath+0x265e/0x2d70 [ 368.895934] lowmem_reserve[]: 0 0 [ 368.923318] ? warn_alloc+0x120/0x120 [ 368.928116] 3503 [ 368.931561] ? trace_hardirqs_on+0x310/0x310 [ 368.935330] 3503 [ 368.937394] ? warn_alloc+0x120/0x120 [ 368.941779] Node 0 [ 368.943848] ? print_usage_bug+0xc0/0xc0 [ 368.947663] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 368.949865] ? warn_alloc+0x120/0x120 [ 368.953900] lowmem_reserve[]: [ 368.982927] ? ktime_get+0x2e1/0x440 [ 368.982949] ? print_usage_bug+0xc0/0xc0 [ 368.986729] 0 [ 368.989826] ? __lock_acquire+0x7ec/0x4ec0 [ 368.993511] 0 [ 368.997562] ? __lock_acquire+0x7ec/0x4ec0 [ 368.999334] 0 0 [ 369.003571] ? kasan_check_read+0x11/0x20 [ 369.009574] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.011527] Node 0 [ 369.015667] ? should_fail+0x22d/0xd01 [ 369.021189] DMA: [ 369.023422] ? rcu_bh_qs+0xc0/0xc0 [ 369.027331] 1*4kB [ 369.029391] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.032901] (U) [ 369.035043] ? __lock_acquire+0x7ec/0x4ec0 [ 369.040124] 0*8kB [ 369.042094] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 369.046303] 0*16kB 1*32kB [ 369.048448] ? __lock_acquire+0x7ec/0x4ec0 [ 369.048464] ? should_fail+0x22d/0xd01 [ 369.053563] (U) [ 369.056406] ? rcu_idle_enter+0x4b0/0x4b0 [ 369.060609] 2*64kB (U) [ 369.064505] ? mark_held_locks+0x130/0x130 [ 369.066457] 1*128kB [ 369.070598] ? mark_held_locks+0x130/0x130 [ 369.073168] (U) [ 369.077398] ? mark_held_locks+0xc7/0x130 [ 369.079695] 1*256kB (U) [ 369.083936] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 369.085879] 0*512kB [ 369.090015] ? graph_lock+0x170/0x170 [ 369.092662] 1*1024kB [ 369.097673] ? print_usage_bug+0xc0/0xc0 [ 369.099976] (U) [ 369.103774] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.106167] 1*2048kB [ 369.110223] ? check_preemption_disabled+0x48/0x280 [ 369.112182] (M) [ 369.117713] ? check_preemption_disabled+0x48/0x280 [ 369.120101] 3*4096kB [ 369.125113] ? __lock_is_held+0xb5/0x140 [ 369.127055] (M) [ 369.132068] __alloc_pages_nodemask+0xa80/0xde0 [ 369.134450] = 15908kB [ 369.134458] Node 0 [ 369.138510] ? graph_lock+0x170/0x170 [ 369.140460] DMA32: 5*4kB [ 369.145128] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 369.147515] (UM) [ 369.149742] ? graph_lock+0x170/0x170 [ 369.153511] 0*8kB 3*16kB [ 369.156276] ? find_held_lock+0x36/0x1c0 [ 369.161257] (UM) 2*32kB [ 369.163331] ? ____cache_alloc_node+0x1c7/0x1e0 [ 369.167099] (M) [ 369.169855] ? lock_downgrade+0x900/0x900 [ 369.173893] 5*64kB [ 369.176559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.181191] (UM) 4*128kB [ 369.183179] cache_grow_begin+0x91/0x8c0 [ 369.187300] (UM) [ 369.189536] ? do_raw_spin_unlock+0xa7/0x330 [ 369.195044] 3*256kB [ 369.197796] fallback_alloc+0x203/0x2e0 [ 369.201827] (M) [ 369.203886] ____cache_alloc_node+0x1c7/0x1e0 [ 369.208269] 4*512kB [ 369.210589] kmem_cache_alloc_node+0xe3/0x730 [ 369.214531] (UM) [ 369.216502] ? ipv6_get_ifaddr+0x42e/0x620 [ 369.220969] 3*1024kB [ 369.223291] __alloc_skb+0x119/0x770 [ 369.227752] (UM) [ 369.229809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.234011] 3*2048kB (M) [ 369.236424] ? skb_scrub_packet+0x490/0x490 [ 369.240114] 3*4096kB [ 369.242182] ? lock_downgrade+0x900/0x900 [ 369.247428] (M) [ 369.250191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.254485] = 25284kB [ 369.256889] ? refcount_sub_and_test_checked+0x203/0x310 [ 369.261009] Node 0 [ 369.262977] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 369.268484] Normal: 888*4kB [ 369.270901] ? addrconf_rs_timer+0x690/0x690 [ 369.276327] (UMEH) [ 369.278571] ndisc_alloc_skb+0x144/0x340 [ 369.283990] 387*8kB [ 369.287004] ndisc_send_rs+0x331/0x6e0 [ 369.291385] (UME) [ 369.293618] addrconf_rs_timer+0x314/0x690 [ 369.297653] 157*16kB [ 369.299970] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.303833] (UME) [ 369.305986] call_timer_fn+0x272/0x920 [ 369.310188] 53*32kB [ 369.312591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.316799] (UMEH) [ 369.318946] ? process_timeout+0x40/0x40 [ 369.322797] 26*64kB (UMH) [ 369.325120] ? find_held_lock+0x36/0x1c0 [ 369.329334] 4*128kB [ 369.331571] ? __run_timers+0x7da/0xc70 [ 369.335600] (UMH) [ 369.338439] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.342480] 0*256kB [ 369.344799] ? _raw_spin_unlock_irq+0x27/0x80 [ 369.348747] 0*512kB [ 369.350904] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.355370] 1*1024kB [ 369.357686] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 369.362176] (H) [ 369.364497] ? trace_hardirqs_on+0xbd/0x310 [ 369.368708] 0*2048kB [ 369.371130] ? kasan_check_read+0x11/0x20 [ 369.375679] 0*4096kB = 14056kB [ 369.377657] ? __run_timers+0x7da/0xc70 [ 369.381956] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 369.384355] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 369.388497] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 369.391692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.395641] 147 total pagecache pages [ 369.404467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 369.409907] 0 pages in swap cache [ 369.418486] __run_timers+0x7e5/0xc70 [ 369.422701] Swap cache stats: add 0, delete 0, find 0/0 [ 369.426502] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 369.430695] Free swap = 0kB [ 369.430703] Total swap = 0kB [ 369.434152] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 369.437932] 1965979 pages RAM [ 369.443294] ? graph_lock+0x170/0x170 [ 369.448633] 0 pages HighMem/MovableOnly [ 369.451641] ? enqueue_hrtimer+0x1a5/0x560 [ 369.454630] 342307 pages reserved [ 369.454638] 0 pages cma reserved [ 369.459652] ? lock_release+0x970/0x970 [ 369.462804] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 369.466522] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 369.470528] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 369.474697] ? find_held_lock+0x36/0x1c0 [ 369.478124] ksoftirqd/0 cpuset= [ 369.481485] ? graph_lock+0x170/0x170 [ 369.485445] / [ 369.491922] ? pvclock_read_flags+0x160/0x160 [ 369.497089] mems_allowed=0 [ 369.507391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.533113] ? check_preemption_disabled+0x48/0x280 [ 369.544058] ? __lock_is_held+0xb5/0x140 [ 369.548123] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.553661] ? check_preemption_disabled+0x48/0x280 [ 369.558716] run_timer_softirq+0x52/0xb0 [ 369.562806] ? rcu_read_lock_sched_held+0x108/0x120 [ 369.567824] __do_softirq+0x30c/0xb03 [ 369.571640] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 369.576886] ? pvclock_read_flags+0x160/0x160 [ 369.581384] ? lapic_next_event+0x5a/0x90 [ 369.585534] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.591099] ? check_preemption_disabled+0x48/0x280 [ 369.596119] ? check_preemption_disabled+0x48/0x280 [ 369.601140] ? kvm_clock_read+0x18/0x30 [ 369.605123] ? kvm_sched_clock_read+0x9/0x20 [ 369.609537] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.615091] ? check_preemption_disabled+0x48/0x280 [ 369.620123] irq_exit+0x17f/0x1c0 [ 369.623585] smp_apic_timer_interrupt+0x1cb/0x760 [ 369.628440] ? smp_reschedule_interrupt+0x109/0x650 [ 369.633457] ? smp_call_function_single_interrupt+0x650/0x650 [ 369.639359] ? interrupt_entry+0xb5/0xf0 [ 369.643441] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.648474] ? trace_hardirqs_off_caller+0xbb/0x310 [ 369.653499] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.658349] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.663368] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.668387] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.673927] ? check_preemption_disabled+0x48/0x280 [ 369.678952] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.684502] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.689361] apic_timer_interrupt+0xf/0x20 [ 369.693591] [ 369.695834] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 369.700770] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 369.719673] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 369.727380] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 369.734645] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 369.741915] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 369.749192] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 369.756464] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 369.763777] skb_clone+0x1bb/0x500 [ 369.767322] ? finish_task_switch+0x1b4/0x910 [ 369.771820] ? skb_split+0x11e0/0x11e0 [ 369.775712] ? preempt_notifier_register+0x200/0x200 [ 369.780813] ? __switch_to_asm+0x34/0x70 [ 369.784880] ? __switch_to_asm+0x34/0x70 [ 369.788943] ? __switch_to_asm+0x40/0x70 [ 369.793005] ? __switch_to_asm+0x34/0x70 [ 369.797064] ? __switch_to_asm+0x40/0x70 [ 369.801127] ? __switch_to_asm+0x34/0x70 [ 369.805192] ? __switch_to_asm+0x40/0x70 [ 369.809249] ? __switch_to_asm+0x34/0x70 [ 369.813312] ? __switch_to_asm+0x34/0x70 [ 369.817372] ? __switch_to_asm+0x40/0x70 [ 369.821428] ? __switch_to_asm+0x34/0x70 [ 369.825497] bpf_clone_redirect+0xb9/0x490 [ 369.829732] ? __schedule+0x874/0x1ed0 [ 369.833630] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 369.838656] ? __sched_text_start+0x8/0x8 [ 369.842807] ? lockdep_hardirqs_on+0x421/0x5c0 [ 369.847387] ? retint_kernel+0x2d/0x2d [ 369.851275] ? trace_hardirqs_on_caller+0xc0/0x310 [ 369.856210] ? find_held_lock+0x36/0x1c0 [ 369.860277] ? lock_acquire+0x1ed/0x520 [ 369.864253] ? bpf_test_run+0x32e/0x5a0 [ 369.868227] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 369.873766] ? check_preemption_disabled+0x48/0x280 [ 369.878788] ? kasan_check_read+0x11/0x20 [ 369.882941] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 369.888310] ? rcu_bh_qs+0xc0/0xc0 [ 369.891852] ? preempt_schedule+0x4d/0x60 [ 369.896002] ? ___preempt_schedule+0x16/0x18 [ 369.900419] ? bpf_test_run+0x1c0/0x5a0 [ 369.904407] ? netlink_diag_dump+0x2a0/0x2a0 [ 369.908819] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 369.914864] ? bpf_test_init.isra.9+0x70/0x100 [ 369.919450] ? bpf_prog_test_run_skb+0x634/0xb40 [ 369.924218] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.929058] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 369.934598] ? fput+0x130/0x1a0 [ 369.937894] ? __bpf_prog_get+0x9b/0x290 [ 369.941959] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 369.946803] ? bpf_prog_test_run+0x130/0x1a0 [ 369.951214] ? __x64_sys_bpf+0x3d8/0x510 [ 369.955275] ? bpf_prog_get+0x20/0x20 [ 369.959098] ? do_syscall_64+0x1b9/0x820 [ 369.963158] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 369.968532] ? syscall_return_slowpath+0x5e0/0x5e0 [ 369.973464] ? trace_hardirqs_on_caller+0x310/0x310 [ 369.978486] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 369.983507] ? recalc_sigpending_tsk+0x180/0x180 [ 369.988268] ? kasan_check_write+0x14/0x20 [ 369.992512] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 369.997368] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 370.002752] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 370.002825] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 370.009502] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.009511] Call Trace: [ 370.016098] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 370.025342] dump_stack+0x1c4/0x2b6 [ 370.027898] syz-executor1 cpuset= [ 370.038380] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.041981] syz1 [ 370.045445] warn_alloc.cold.119+0xb7/0x1bd [ 370.050594] mems_allowed=0 [ 370.052561] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.064780] ? lock_downgrade+0x900/0x900 [ 370.068935] ? trace_hardirqs_off+0xb8/0x310 [ 370.073351] ? trace_hardirqs_off+0xb8/0x310 [ 370.077766] __alloc_pages_slowpath+0x265e/0x2d70 [ 370.082642] ? warn_alloc+0x120/0x120 [ 370.086461] ? warn_alloc+0x120/0x120 [ 370.090281] ? print_usage_bug+0xc0/0xc0 [ 370.094342] ? warn_alloc+0x120/0x120 [ 370.098143] ? print_usage_bug+0xc0/0xc0 [ 370.102218] ? __lock_acquire+0x7ec/0x4ec0 [ 370.106454] ? __lock_acquire+0x7ec/0x4ec0 [ 370.110694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.116230] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.121766] ? should_fail+0x22d/0xd01 [ 370.125657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.130761] ? __lock_acquire+0x7ec/0x4ec0 [ 370.135000] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.140128] ? __lock_acquire+0x7ec/0x4ec0 [ 370.144374] ? should_fail+0x22d/0xd01 [ 370.148272] ? mark_held_locks+0x130/0x130 [ 370.152514] ? mark_held_locks+0x130/0x130 [ 370.156754] ? graph_lock+0x170/0x170 [ 370.160560] ? print_usage_bug+0xc0/0xc0 [ 370.164626] ? graph_lock+0x170/0x170 [ 370.168427] ? print_usage_bug+0xc0/0xc0 [ 370.172496] ? wq_watchdog_touch+0x9c/0xfe [ 370.176730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.182269] ? check_preemption_disabled+0x48/0x280 [ 370.187306] ? check_preemption_disabled+0x48/0x280 [ 370.192334] ? __lock_is_held+0xb5/0x140 [ 370.196403] __alloc_pages_nodemask+0xa80/0xde0 [ 370.201074] ? graph_lock+0x170/0x170 [ 370.204883] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 370.209894] ? graph_lock+0x170/0x170 [ 370.213721] ? find_held_lock+0x36/0x1c0 [ 370.217805] ? ____cache_alloc_node+0x1c7/0x1e0 [ 370.222498] ? lock_downgrade+0x900/0x900 [ 370.226656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.232200] cache_grow_begin+0x91/0x8c0 [ 370.236269] ? do_raw_spin_unlock+0xa7/0x330 [ 370.240687] fallback_alloc+0x203/0x2e0 [ 370.244673] ____cache_alloc_node+0x1c7/0x1e0 [ 370.249181] kmem_cache_alloc_node+0xe3/0x730 [ 370.253682] ? ipv6_get_ifaddr+0x42e/0x620 [ 370.257926] __alloc_skb+0x119/0x770 [ 370.261641] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.266926] ? skb_scrub_packet+0x490/0x490 [ 370.271245] ? lock_downgrade+0x900/0x900 [ 370.275412] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.280952] ? refcount_sub_and_test_checked+0x203/0x310 [ 370.286408] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 370.291866] ? addrconf_rs_timer+0x690/0x690 [ 370.296293] ndisc_alloc_skb+0x144/0x340 [ 370.300359] ndisc_send_rs+0x331/0x6e0 [ 370.304253] addrconf_rs_timer+0x314/0x690 [ 370.308498] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.312746] call_timer_fn+0x272/0x920 [ 370.316632] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.320872] ? process_timeout+0x40/0x40 [ 370.324929] ? find_held_lock+0x36/0x1c0 [ 370.329003] ? __run_timers+0x7da/0xc70 [ 370.332980] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.337477] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.341971] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.346209] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 370.350794] ? trace_hardirqs_on+0xbd/0x310 [ 370.355115] ? kasan_check_read+0x11/0x20 [ 370.359267] ? __run_timers+0x7da/0xc70 [ 370.363247] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.368705] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.372958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 370.377208] __run_timers+0x7e5/0xc70 [ 370.381022] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 370.386383] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.390878] ? _raw_spin_unlock_irq+0x27/0x80 [ 370.395379] ? lockdep_hardirqs_on+0x421/0x5c0 [ 370.399966] ? trace_hardirqs_on+0xbd/0x310 [ 370.404289] ? kasan_check_read+0x11/0x20 [ 370.408443] ? finish_task_switch+0x1f4/0x910 [ 370.412953] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 370.418427] ? compat_start_thread+0x80/0x80 [ 370.422848] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.428397] ? pvclock_read_flags+0x160/0x160 [ 370.432895] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.438440] ? check_preemption_disabled+0x48/0x280 [ 370.443564] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 370.449105] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 370.454387] ? rcu_pm_notify+0xc0/0xc0 [ 370.458278] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.463818] ? check_preemption_disabled+0x48/0x280 [ 370.468840] run_timer_softirq+0x52/0xb0 [ 370.472905] ? rcu_read_lock_sched_held+0x108/0x120 [ 370.477922] __do_softirq+0x30c/0xb03 [ 370.481740] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 370.486841] ? trace_hardirqs_off+0xb8/0x310 [ 370.491258] ? schedule+0x108/0x460 [ 370.494898] ? trace_hardirqs_off+0xb8/0x310 [ 370.499306] ? smpboot_thread_fn+0x68b/0xa00 [ 370.503712] ? trace_hardirqs_on+0x310/0x310 [ 370.508125] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.513674] ? check_preemption_disabled+0x48/0x280 [ 370.518698] ? takeover_tasklets+0xa90/0xa90 [ 370.523116] run_ksoftirqd+0x94/0x100 [ 370.526919] smpboot_thread_fn+0x68b/0xa00 [ 370.531156] ? sort_range+0x30/0x30 [ 370.534793] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 370.539918] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.545473] ? __kthread_parkme+0xfb/0x1a0 [ 370.549719] kthread+0x35a/0x420 [ 370.553088] ? sort_range+0x30/0x30 [ 370.556717] ? kthread_bind+0x40/0x40 [ 370.560529] ret_from_fork+0x3a/0x50 [ 370.564280] warn_alloc_show_mem: 1 callbacks suppressed [ 370.564292] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 370.564294] Mem-Info: [ 370.564326] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 370.564326] active_file:15 inactive_file:13 isolated_file:0 [ 370.564326] unevictable:0 dirty:0 writeback:0 unstable:0 [ 370.564326] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 370.564326] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 370.564326] free:13788 free_pcp:609 free_cma:0 [ 370.569660] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 370.576938] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 370.579341] Call Trace: [ 370.612219] Node 0 [ 370.621576] [ 370.649090] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 370.651658] dump_stack+0x1c4/0x2b6 [ 370.653894] lowmem_reserve[]: [ 370.656042] ? dump_stack_print_info.cold.1+0x20/0x20 [ 370.681518] 0 2819 [ 370.685181] warn_alloc.cold.119+0xb7/0x1bd [ 370.688241] 6323 [ 370.693424] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 370.695641] 6323 [ 370.699957] ? lock_downgrade+0x900/0x900 [ 370.706830] ? trace_hardirqs_off+0xb8/0x310 [ 370.708871] Node 0 [ 370.713013] ? trace_hardirqs_off+0xb8/0x310 [ 370.717419] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 370.719631] __alloc_pages_slowpath+0x265e/0x2d70 [ 370.724006] lowmem_reserve[]: [ 370.750926] ? warn_alloc+0x120/0x120 [ 370.755722] 0 [ 370.758821] ? trace_hardirqs_on+0x310/0x310 [ 370.762588] 0 3503 [ 370.764397] ? warn_alloc+0x120/0x120 [ 370.768773] 3503 [ 370.771011] ? print_usage_bug+0xc0/0xc0 [ 370.774789] Node 0 [ 370.776842] ? warn_alloc+0x120/0x120 [ 370.780905] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 370.783265] ? ktime_get+0x2e1/0x440 [ 370.787042] lowmem_reserve[]: [ 370.815414] ? print_usage_bug+0xc0/0xc0 [ 370.819108] 0 [ 370.822208] ? __lock_acquire+0x7ec/0x4ec0 [ 370.826247] 0 [ 370.828041] ? __lock_acquire+0x7ec/0x4ec0 [ 370.832253] 0 [ 370.834052] ? kasan_check_read+0x11/0x20 [ 370.838251] 0 [ 370.840060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 370.844187] Node 0 [ 370.845983] ? should_fail+0x22d/0xd01 [ 370.851491] DMA: [ 370.853722] ? rcu_bh_qs+0xc0/0xc0 [ 370.857584] 1*4kB [ 370.859641] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.863153] (U) [ 370.865302] ? __lock_acquire+0x7ec/0x4ec0 [ 370.870378] 0*8kB [ 370.872351] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 370.876558] 0*16kB [ 370.878703] ? __lock_acquire+0x7ec/0x4ec0 [ 370.883783] 1*32kB [ 370.886010] ? should_fail+0x22d/0xd01 [ 370.890218] (U) [ 370.892455] ? rcu_idle_enter+0x4b0/0x4b0 [ 370.896317] 2*64kB [ 370.898289] ? mark_held_locks+0x130/0x130 [ 370.902408] (U) [ 370.904636] ? mark_held_locks+0x130/0x130 [ 370.908848] 1*128kB [ 370.910819] ? mark_held_locks+0xc7/0x130 [ 370.915267] (U) 1*256kB [ 370.917600] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 370.921718] (U) [ 370.924385] ? graph_lock+0x170/0x170 [ 370.929376] 0*512kB [ 370.931346] ? print_usage_bug+0xc0/0xc0 [ 370.935117] 1*1024kB (U) [ 370.937452] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 370.941489] 1*2048kB [ 370.944248] ? check_preemption_disabled+0x48/0x280 [ 370.949754] (M) [ 370.952170] ? check_preemption_disabled+0x48/0x280 [ 370.957172] 3*4096kB [ 370.959604] ? __lock_is_held+0xb5/0x140 [ 370.964587] (M) [ 370.966994] __alloc_pages_nodemask+0xa80/0xde0 [ 370.971025] = 15908kB [ 370.972993] ? graph_lock+0x170/0x170 [ 370.977638] Node 0 [ 370.980045] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 370.983817] DMA32: [ 370.986049] ? graph_lock+0x170/0x170 [ 370.991038] 5*4kB [ 370.993278] ? find_held_lock+0x36/0x1c0 [ 370.997050] (UM) [ 370.999207] ? ____cache_alloc_node+0x1c7/0x1e0 [ 371.003254] 0*8kB 3*16kB [ 371.005323] ? lock_downgrade+0x900/0x900 [ 371.009962] (UM) [ 371.012721] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.016835] 2*32kB (M) [ 371.018904] cache_grow_begin+0x91/0x8c0 [ 371.024412] 5*64kB [ 371.026991] ? do_raw_spin_unlock+0xa7/0x330 [ 371.031022] (UM) [ 371.033259] fallback_alloc+0x203/0x2e0 [ 371.037634] 4*128kB (UM) [ 371.039701] ____cache_alloc_node+0x1c7/0x1e0 [ 371.043645] 3*256kB (M) [ 371.046409] kmem_cache_alloc_node+0xe3/0x730 [ 371.050877] 4*512kB [ 371.053543] ? ipv6_get_ifaddr+0x42e/0x620 [ 371.058013] (UM) [ 371.060338] __alloc_skb+0x119/0x770 [ 371.064540] 3*1024kB [ 371.066598] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.070281] (UM) [ 371.072684] ? skb_scrub_packet+0x490/0x490 [ 371.077930] 3*2048kB (M) [ 371.080006] ? lock_downgrade+0x900/0x900 [ 371.084304] 3*4096kB [ 371.087062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.091184] (M) [ 371.093594] ? refcount_sub_and_test_checked+0x203/0x310 [ 371.099106] = 25284kB [ 371.101076] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 371.106503] Node 0 [ 371.108944] ? addrconf_rs_timer+0x690/0x690 [ 371.114357] Normal: [ 371.116609] ndisc_alloc_skb+0x144/0x340 [ 371.120983] 888*4kB [ 371.123301] ndisc_send_rs+0x331/0x6e0 [ 371.127335] (UMEH) [ 371.129664] addrconf_rs_timer+0x314/0x690 [ 371.133538] 387*8kB [ 371.135786] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.139993] (UME) [ 371.142319] call_timer_fn+0x272/0x920 [ 371.146520] 157*16kB [ 371.148665] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.152523] (UME) [ 371.154927] ? process_timeout+0x40/0x40 [ 371.159132] 53*32kB (UMEH) [ 371.161295] ? find_held_lock+0x36/0x1c0 [ 371.165326] 26*64kB (UMH) [ 371.168280] ? __run_timers+0x7da/0xc70 [ 371.172311] 4*128kB [ 371.175150] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.179108] (UMH) [ 371.181424] ? _raw_spin_unlock_irq+0x27/0x80 [ 371.185899] 0*256kB [ 371.188045] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.192512] 0*512kB [ 371.194827] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 371.199036] 1*1024kB [ 371.201356] ? trace_hardirqs_on+0xbd/0x310 [ 371.205913] (H) [ 371.208328] ? kasan_check_read+0x11/0x20 [ 371.212627] 0*2048kB [ 371.214602] ? __run_timers+0x7da/0xc70 [ 371.218721] 0*4096kB [ 371.221126] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 371.225072] = 14056kB [ 371.227476] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.232907] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 371.235305] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 371.239518] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 371.248341] __run_timers+0x7e5/0xc70 [ 371.252553] 147 total pagecache pages [ 371.261130] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 371.264900] 0 pages in swap cache [ 371.268686] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 371.274029] Swap cache stats: add 0, delete 0, find 0/0 [ 371.277475] ? graph_lock+0x170/0x170 [ 371.282465] Free swap = 0kB [ 371.287818] ? enqueue_hrtimer+0x1a5/0x560 [ 371.291591] Total swap = 0kB [ 371.294600] ? lock_release+0x970/0x970 [ 371.298810] 1965979 pages RAM [ 371.301820] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 371.305763] 0 pages HighMem/MovableOnly [ 371.305771] 342307 pages reserved [ 371.308872] ? find_held_lock+0x36/0x1c0 [ 371.314033] 0 pages cma reserved [ 371.318004] ? graph_lock+0x170/0x170 [ 371.321515] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.325489] ? pvclock_read_flags+0x160/0x160 [ 371.328889] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.332622] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.339439] ksoftirqd/0 cpuset= [ 371.343924] ? check_preemption_disabled+0x48/0x280 [ 371.354207] / [ 371.359747] ? __lock_is_held+0xb5/0x140 [ 371.362994] mems_allowed=0 [ 371.367999] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.382184] ? check_preemption_disabled+0x48/0x280 [ 371.387212] run_timer_softirq+0x52/0xb0 [ 371.391275] ? rcu_read_lock_sched_held+0x108/0x120 [ 371.396298] __do_softirq+0x30c/0xb03 [ 371.400111] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 371.405222] ? pvclock_read_flags+0x160/0x160 [ 371.409718] ? lapic_next_event+0x5a/0x90 [ 371.413868] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.419410] ? check_preemption_disabled+0x48/0x280 [ 371.424425] ? check_preemption_disabled+0x48/0x280 [ 371.429449] ? kvm_clock_read+0x18/0x30 [ 371.433426] ? kvm_sched_clock_read+0x9/0x20 [ 371.437839] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.443381] ? check_preemption_disabled+0x48/0x280 [ 371.448414] irq_exit+0x17f/0x1c0 [ 371.451870] smp_apic_timer_interrupt+0x1cb/0x760 [ 371.456711] ? smp_reschedule_interrupt+0x109/0x650 [ 371.461732] ? smp_call_function_single_interrupt+0x650/0x650 [ 371.467619] ? interrupt_entry+0xb5/0xf0 [ 371.471684] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.476700] ? trace_hardirqs_off_caller+0xbb/0x310 [ 371.481721] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.486563] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.491577] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.496596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.502136] ? check_preemption_disabled+0x48/0x280 [ 371.507171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.512723] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.517579] apic_timer_interrupt+0xf/0x20 [ 371.521806] [ 371.524045] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 371.528973] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 371.547882] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 371.555596] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 371.562866] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 371.570135] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 371.577411] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 371.584681] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 371.592002] skb_clone+0x1bb/0x500 [ 371.595544] ? finish_task_switch+0x1b4/0x910 [ 371.600044] ? skb_split+0x11e0/0x11e0 [ 371.603938] ? preempt_notifier_register+0x200/0x200 [ 371.609040] ? __switch_to_asm+0x34/0x70 [ 371.613100] ? __switch_to_asm+0x34/0x70 [ 371.617157] ? __switch_to_asm+0x40/0x70 [ 371.621230] ? __switch_to_asm+0x34/0x70 [ 371.625292] ? __switch_to_asm+0x40/0x70 [ 371.629349] ? __switch_to_asm+0x34/0x70 [ 371.633406] ? __switch_to_asm+0x40/0x70 [ 371.637466] ? __switch_to_asm+0x34/0x70 [ 371.641530] ? __switch_to_asm+0x34/0x70 [ 371.645612] ? __switch_to_asm+0x40/0x70 [ 371.649670] ? __switch_to_asm+0x34/0x70 [ 371.653745] bpf_clone_redirect+0xb9/0x490 [ 371.657985] ? __schedule+0x874/0x1ed0 [ 371.661881] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 371.666903] ? __sched_text_start+0x8/0x8 [ 371.671057] ? lockdep_hardirqs_on+0x421/0x5c0 [ 371.675639] ? retint_kernel+0x2d/0x2d [ 371.679532] ? trace_hardirqs_on_caller+0xc0/0x310 [ 371.684465] ? find_held_lock+0x36/0x1c0 [ 371.689403] ? lock_acquire+0x1ed/0x520 [ 371.693375] ? bpf_test_run+0x32e/0x5a0 [ 371.697351] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.702890] ? check_preemption_disabled+0x48/0x280 [ 371.707916] ? kasan_check_read+0x11/0x20 [ 371.712070] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 371.717350] ? rcu_bh_qs+0xc0/0xc0 [ 371.720897] ? preempt_schedule+0x4d/0x60 [ 371.725048] ? ___preempt_schedule+0x16/0x18 [ 371.729465] ? bpf_test_run+0x1c0/0x5a0 [ 371.733459] ? netlink_diag_dump+0x2a0/0x2a0 [ 371.737872] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.743407] ? bpf_test_init.isra.9+0x70/0x100 [ 371.748036] ? bpf_prog_test_run_skb+0x634/0xb40 [ 371.752800] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 371.757642] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 371.763190] ? fput+0x130/0x1a0 [ 371.766470] ? __bpf_prog_get+0x9b/0x290 [ 371.770533] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 371.775376] ? bpf_prog_test_run+0x130/0x1a0 [ 371.779788] ? __x64_sys_bpf+0x3d8/0x510 [ 371.783853] ? bpf_prog_get+0x20/0x20 [ 371.787675] ? do_syscall_64+0x1b9/0x820 [ 371.791736] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 371.797099] ? syscall_return_slowpath+0x5e0/0x5e0 [ 371.802032] ? trace_hardirqs_on_caller+0x310/0x310 [ 371.807050] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 371.812064] ? recalc_sigpending_tsk+0x180/0x180 [ 371.816822] ? kasan_check_write+0x14/0x20 [ 371.821063] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 371.825924] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 371.831315] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 371.831387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 371.838069] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 371.838077] Call Trace: [ 371.844662] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 371.853912] dump_stack+0x1c4/0x2b6 [ 371.856472] syz-executor1 cpuset= [ 371.866959] ? dump_stack_print_info.cold.1+0x20/0x20 [ 371.870551] syz1 [ 371.874007] warn_alloc.cold.119+0xb7/0x1bd [ 371.879170] mems_allowed=0 [ 371.881137] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 371.893196] ? lock_downgrade+0x900/0x900 [ 371.897355] ? trace_hardirqs_off+0xb8/0x310 [ 371.901772] ? trace_hardirqs_off+0xb8/0x310 [ 371.906198] __alloc_pages_slowpath+0x265e/0x2d70 [ 371.911073] ? warn_alloc+0x120/0x120 [ 371.914885] ? warn_alloc+0x120/0x120 [ 371.918688] ? print_usage_bug+0xc0/0xc0 [ 371.922750] ? warn_alloc+0x120/0x120 [ 371.926556] ? print_usage_bug+0xc0/0xc0 [ 371.930624] ? __lock_acquire+0x7ec/0x4ec0 [ 371.934857] ? __lock_acquire+0x7ec/0x4ec0 [ 371.939095] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 371.944635] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 371.950180] ? should_fail+0x22d/0xd01 [ 371.954075] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.959188] ? __lock_acquire+0x7ec/0x4ec0 [ 371.963427] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 371.968536] ? __lock_acquire+0x7ec/0x4ec0 [ 371.972767] ? should_fail+0x22d/0xd01 [ 371.976664] ? mark_held_locks+0x130/0x130 [ 371.980903] ? mark_held_locks+0x130/0x130 [ 371.985143] ? graph_lock+0x170/0x170 [ 371.988954] ? print_usage_bug+0xc0/0xc0 [ 371.993016] ? graph_lock+0x170/0x170 [ 371.996819] ? print_usage_bug+0xc0/0xc0 [ 372.000881] ? wq_watchdog_touch+0x9c/0xfe [ 372.005115] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.010654] ? check_preemption_disabled+0x48/0x280 [ 372.015673] ? check_preemption_disabled+0x48/0x280 [ 372.020699] ? __lock_is_held+0xb5/0x140 [ 372.024766] __alloc_pages_nodemask+0xa80/0xde0 [ 372.029440] ? graph_lock+0x170/0x170 [ 372.033249] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 372.038261] ? graph_lock+0x170/0x170 [ 372.042071] ? find_held_lock+0x36/0x1c0 [ 372.046140] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.050824] ? lock_downgrade+0x900/0x900 [ 372.054978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.060520] cache_grow_begin+0x91/0x8c0 [ 372.064582] ? do_raw_spin_unlock+0xa7/0x330 [ 372.068997] fallback_alloc+0x203/0x2e0 [ 372.072983] ____cache_alloc_node+0x1c7/0x1e0 [ 372.077488] kmem_cache_alloc_node+0xe3/0x730 [ 372.081984] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.086229] __alloc_skb+0x119/0x770 [ 372.089943] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.095228] ? skb_scrub_packet+0x490/0x490 [ 372.099549] ? lock_downgrade+0x900/0x900 [ 372.103710] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.109250] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.114704] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.120155] ? addrconf_rs_timer+0x690/0x690 [ 372.124589] ndisc_alloc_skb+0x144/0x340 [ 372.128660] ndisc_send_rs+0x331/0x6e0 [ 372.132554] addrconf_rs_timer+0x314/0x690 [ 372.136797] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.141047] call_timer_fn+0x272/0x920 [ 372.144934] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.149183] ? process_timeout+0x40/0x40 [ 372.153245] ? find_held_lock+0x36/0x1c0 [ 372.157318] ? __run_timers+0x7da/0xc70 [ 372.161990] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.166489] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.170984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.175222] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 372.179814] ? trace_hardirqs_on+0xbd/0x310 [ 372.184136] ? kasan_check_read+0x11/0x20 [ 372.188295] ? __run_timers+0x7da/0xc70 [ 372.192272] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.197731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.201976] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.206212] __run_timers+0x7e5/0xc70 [ 372.210028] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 372.215393] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.219892] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.224398] ? lockdep_hardirqs_on+0x421/0x5c0 [ 372.228984] ? trace_hardirqs_on+0xbd/0x310 [ 372.233309] ? kasan_check_read+0x11/0x20 [ 372.237462] ? finish_task_switch+0x1f4/0x910 [ 372.241957] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 372.247408] ? compat_start_thread+0x80/0x80 [ 372.251827] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.257378] ? pvclock_read_flags+0x160/0x160 [ 372.261870] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.267409] ? check_preemption_disabled+0x48/0x280 [ 372.272448] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 372.277988] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.283272] ? rcu_pm_notify+0xc0/0xc0 [ 372.287169] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.292712] ? check_preemption_disabled+0x48/0x280 [ 372.297736] run_timer_softirq+0x52/0xb0 [ 372.301797] ? rcu_read_lock_sched_held+0x108/0x120 [ 372.306820] __do_softirq+0x30c/0xb03 [ 372.310632] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 372.315734] ? trace_hardirqs_off+0xb8/0x310 [ 372.320153] ? schedule+0x108/0x460 [ 372.323802] ? trace_hardirqs_off+0xb8/0x310 [ 372.328215] ? smpboot_thread_fn+0x68b/0xa00 [ 372.332625] ? trace_hardirqs_on+0x310/0x310 [ 372.337039] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.342576] ? check_preemption_disabled+0x48/0x280 [ 372.347596] ? takeover_tasklets+0xa90/0xa90 [ 372.352011] run_ksoftirqd+0x94/0x100 [ 372.355832] smpboot_thread_fn+0x68b/0xa00 [ 372.360082] ? sort_range+0x30/0x30 [ 372.363710] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 372.368844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.374387] ? __kthread_parkme+0xfb/0x1a0 [ 372.378628] kthread+0x35a/0x420 [ 372.381996] ? sort_range+0x30/0x30 [ 372.385621] ? kthread_bind+0x40/0x40 [ 372.389428] ret_from_fork+0x3a/0x50 [ 372.393182] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 372.393188] warn_alloc_show_mem: 1 callbacks suppressed [ 372.393195] Mem-Info: [ 372.400459] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 372.400467] Call Trace: [ 372.405848] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 372.405848] active_file:15 inactive_file:13 isolated_file:0 [ 372.405848] unevictable:0 dirty:0 writeback:0 unstable:0 [ 372.405848] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 372.405848] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 372.405848] free:13788 free_pcp:609 free_cma:0 [ 372.408219] [ 372.417584] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 372.420179] dump_stack+0x1c4/0x2b6 [ 372.453034] Node 0 [ 372.455196] ? dump_stack_print_info.cold.1+0x20/0x20 [ 372.482691] 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 [ 372.486299] warn_alloc.cold.119+0xb7/0x1bd [ 372.488490] lowmem_reserve[]: 0 [ 372.493679] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 372.519158] 2819 [ 372.523485] ? lock_downgrade+0x900/0x900 [ 372.526733] 6323 [ 372.531571] ? trace_hardirqs_off+0xb8/0x310 [ 372.533603] 6323 [ 372.537745] ? trace_hardirqs_off+0xb8/0x310 [ 372.544199] __alloc_pages_slowpath+0x265e/0x2d70 [ 372.546233] Node 0 [ 372.550658] ? warn_alloc+0x120/0x120 [ 372.555478] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 372.557681] ? trace_hardirqs_on+0x310/0x310 [ 372.561456] lowmem_reserve[]: [ 372.588346] ? warn_alloc+0x120/0x120 [ 372.592732] 0 [ 372.595837] ? print_usage_bug+0xc0/0xc0 [ 372.599618] 0 [ 372.601417] ? warn_alloc+0x120/0x120 [ 372.605457] 3503 [ 372.607257] ? ktime_get+0x2e1/0x440 [ 372.611024] 3503 [ 372.613090] ? print_usage_bug+0xc0/0xc0 [ 372.616781] Node 0 [ 372.618839] ? __lock_acquire+0x7ec/0x4ec0 [ 372.622901] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 372.625103] ? __lock_acquire+0x7ec/0x4ec0 [ 372.629305] lowmem_reserve[]: 0 [ 372.657682] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 372.661889] 0 [ 372.665168] ? should_fail+0x22d/0xd01 [ 372.670676] 0 0 [ 372.672486] ? __lock_acquire+0x7ec/0x4ec0 [ 372.678313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.682522] Node 0 [ 372.687613] ? __lock_acquire+0x7ec/0x4ec0 [ 372.687615] DMA: 1*4kB [ 372.689855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 372.694062] (U) [ 372.696637] ? __lock_acquire+0x7ec/0x4ec0 [ 372.701722] 0*8kB [ 372.703694] ? should_fail+0x22d/0xd01 [ 372.707904] 0*16kB [ 372.710053] ? mark_held_locks+0x130/0x130 [ 372.713908] 1*32kB [ 372.716141] ? mark_held_locks+0x130/0x130 [ 372.720349] (U) [ 372.722582] ? graph_lock+0x170/0x170 [ 372.726781] 2*64kB (U) [ 372.728760] ? print_usage_bug+0xc0/0xc0 [ 372.732537] 1*128kB [ 372.735117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.739148] (U) [ 372.741478] ? check_preemption_disabled+0x48/0x280 [ 372.746986] 1*256kB [ 372.748958] ? check_preemption_disabled+0x48/0x280 [ 372.753947] (U) [ 372.756276] ? __lock_is_held+0xb5/0x140 [ 372.761277] 0*512kB [ 372.763252] __alloc_pages_nodemask+0xa80/0xde0 [ 372.767284] 1*1024kB [ 372.769600] ? graph_lock+0x170/0x170 [ 372.774245] (U) [ 372.776653] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 372.780428] 1*2048kB [ 372.782728] ? graph_lock+0x170/0x170 [ 372.787719] (M) [ 372.790133] ? find_held_lock+0x36/0x1c0 [ 372.793895] 3*4096kB (M) [ 372.795881] ? ____cache_alloc_node+0x1c7/0x1e0 [ 372.799906] = 15908kB [ 372.799913] Node 0 [ 372.802669] ? lock_downgrade+0x900/0x900 [ 372.807317] DMA32: [ 372.809728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.811942] 5*4kB [ 372.816081] cache_grow_begin+0x91/0x8c0 [ 372.818306] (UM) [ 372.823841] ? do_raw_spin_unlock+0xa7/0x330 [ 372.825969] 0*8kB [ 372.830027] fallback_alloc+0x203/0x2e0 [ 372.832064] 3*16kB [ 372.836471] ____cache_alloc_node+0x1c7/0x1e0 [ 372.838591] (UM) [ 372.842561] kmem_cache_alloc_node+0xe3/0x730 [ 372.844770] 2*32kB [ 372.849258] ? ipv6_get_ifaddr+0x42e/0x620 [ 372.851299] (M) [ 372.855795] __alloc_skb+0x119/0x770 [ 372.858024] 5*64kB [ 372.862255] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 372.864202] (UM) [ 372.867906] ? skb_scrub_packet+0x490/0x490 [ 372.870122] 4*128kB [ 372.875392] ? lock_downgrade+0x900/0x900 [ 372.877427] (UM) [ 372.881747] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 372.884042] 3*256kB [ 372.888189] ? refcount_sub_and_test_checked+0x203/0x310 [ 372.890230] (M) [ 372.895760] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 372.898051] 4*512kB (UM) [ 372.903508] ? addrconf_rs_timer+0x690/0x690 [ 372.905460] 3*1024kB [ 372.910911] ndisc_alloc_skb+0x144/0x340 [ 372.913832] (UM) 3*2048kB (M) 3*4096kB (M) = 25284kB [ 372.913849] Node 0 Normal: 888*4kB (UMEH) 387*8kB (UME) 157*16kB (UME) 53*32kB (UMEH) 26*64kB (UMH) 4*128kB (UMH) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14056kB [ 372.913911] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 372.913917] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 372.913920] 147 total pagecache pages [ 372.913930] 0 pages in swap cache [ 372.913936] Swap cache stats: add 0, delete 0, find 0/0 [ 372.913941] Free swap = 0kB [ 372.913945] Total swap = 0kB [ 372.913952] 1965979 pages RAM [ 372.913962] 0 pages HighMem/MovableOnly [ 372.918376] ndisc_send_rs+0x331/0x6e0 [ 372.920758] 342307 pages reserved [ 372.924815] addrconf_rs_timer+0x314/0x690 [ 372.929893] 0 pages cma reserved [ 372.945236] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.954119] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 372.962624] call_timer_fn+0x272/0x920 [ 372.962639] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 372.962655] ? process_timeout+0x40/0x40 [ 372.966505] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 372.969881] ? find_held_lock+0x36/0x1c0 [ 372.975223] ksoftirqd/0 cpuset= [ 372.978239] ? __run_timers+0x7da/0xc70 [ 372.981229] / [ 372.984339] ? _raw_spin_unlock_irq+0x27/0x80 [ 372.988293] mems_allowed=0 [ 372.992177] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.063444] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.067687] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.072276] ? trace_hardirqs_on+0xbd/0x310 [ 373.076600] ? kasan_check_read+0x11/0x20 [ 373.080748] ? __run_timers+0x7da/0xc70 [ 373.084726] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.090212] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.094449] __run_timers+0x7e5/0xc70 [ 373.098271] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.103639] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 373.108659] ? graph_lock+0x170/0x170 [ 373.112487] ? enqueue_hrtimer+0x1a5/0x560 [ 373.116720] ? lock_release+0x970/0x970 [ 373.120697] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 373.125897] ? find_held_lock+0x36/0x1c0 [ 373.129996] ? graph_lock+0x170/0x170 [ 373.133803] ? pvclock_read_flags+0x160/0x160 [ 373.138305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.143846] ? check_preemption_disabled+0x48/0x280 [ 373.148875] ? __lock_is_held+0xb5/0x140 [ 373.152945] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.158484] ? check_preemption_disabled+0x48/0x280 [ 373.163514] run_timer_softirq+0x52/0xb0 [ 373.167576] ? rcu_read_lock_sched_held+0x108/0x120 [ 373.172595] __do_softirq+0x30c/0xb03 [ 373.176412] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 373.181523] ? pvclock_read_flags+0x160/0x160 [ 373.186017] ? lapic_next_event+0x5a/0x90 [ 373.190175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.195717] ? check_preemption_disabled+0x48/0x280 [ 373.200738] ? check_preemption_disabled+0x48/0x280 [ 373.205761] ? kvm_clock_read+0x18/0x30 [ 373.209734] ? kvm_sched_clock_read+0x9/0x20 [ 373.214144] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.219693] ? check_preemption_disabled+0x48/0x280 [ 373.224722] irq_exit+0x17f/0x1c0 [ 373.228187] smp_apic_timer_interrupt+0x1cb/0x760 [ 373.233034] ? smp_reschedule_interrupt+0x109/0x650 [ 373.238052] ? smp_call_function_single_interrupt+0x650/0x650 [ 373.243942] ? interrupt_entry+0xb5/0xf0 [ 373.248006] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.253023] ? trace_hardirqs_off_caller+0xbb/0x310 [ 373.258042] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.262885] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.267903] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.272927] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.278474] ? check_preemption_disabled+0x48/0x280 [ 373.283490] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.289040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.293897] apic_timer_interrupt+0xf/0x20 [ 373.298127] [ 373.300375] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 373.305306] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 373.324208] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 373.331917] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 373.339210] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 373.346480] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 373.353748] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 373.361013] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 373.368330] skb_clone+0x1bb/0x500 [ 373.371870] ? finish_task_switch+0x1b4/0x910 [ 373.376368] ? skb_split+0x11e0/0x11e0 [ 373.380257] ? preempt_notifier_register+0x200/0x200 [ 373.385364] ? __switch_to_asm+0x34/0x70 [ 373.389424] ? __switch_to_asm+0x34/0x70 [ 373.393484] ? __switch_to_asm+0x40/0x70 [ 373.397545] ? __switch_to_asm+0x34/0x70 [ 373.401607] ? __switch_to_asm+0x40/0x70 [ 373.405669] ? __switch_to_asm+0x34/0x70 [ 373.409731] ? __switch_to_asm+0x40/0x70 [ 373.413790] ? __switch_to_asm+0x34/0x70 [ 373.417853] ? __switch_to_asm+0x34/0x70 [ 373.421914] ? __switch_to_asm+0x40/0x70 [ 373.425984] ? __switch_to_asm+0x34/0x70 [ 373.430071] bpf_clone_redirect+0xb9/0x490 [ 373.434309] ? __schedule+0x874/0x1ed0 [ 373.438207] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 373.443228] ? __sched_text_start+0x8/0x8 [ 373.447381] ? lockdep_hardirqs_on+0x421/0x5c0 [ 373.451964] ? retint_kernel+0x2d/0x2d [ 373.455857] ? trace_hardirqs_on_caller+0xc0/0x310 [ 373.460821] ? find_held_lock+0x36/0x1c0 [ 373.464892] ? lock_acquire+0x1ed/0x520 [ 373.468870] ? bpf_test_run+0x32e/0x5a0 [ 373.472846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.478388] ? check_preemption_disabled+0x48/0x280 [ 373.483411] ? kasan_check_read+0x11/0x20 [ 373.487563] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.492840] ? rcu_bh_qs+0xc0/0xc0 [ 373.496403] ? preempt_schedule+0x4d/0x60 [ 373.500550] ? ___preempt_schedule+0x16/0x18 [ 373.504969] ? bpf_test_run+0x1c0/0x5a0 [ 373.508963] ? netlink_diag_dump+0x2a0/0x2a0 [ 373.513391] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.518961] ? bpf_test_init.isra.9+0x70/0x100 [ 373.523548] ? bpf_prog_test_run_skb+0x634/0xb40 [ 373.528313] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 373.533155] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 373.538705] ? fput+0x130/0x1a0 [ 373.541988] ? __bpf_prog_get+0x9b/0x290 [ 373.546053] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 373.550911] ? bpf_prog_test_run+0x130/0x1a0 [ 373.555329] ? __x64_sys_bpf+0x3d8/0x510 [ 373.559394] ? bpf_prog_get+0x20/0x20 [ 373.563221] ? do_syscall_64+0x1b9/0x820 [ 373.567285] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 373.572652] ? syscall_return_slowpath+0x5e0/0x5e0 [ 373.577587] ? trace_hardirqs_on_caller+0x310/0x310 [ 373.582607] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 373.587628] ? recalc_sigpending_tsk+0x180/0x180 [ 373.592388] ? kasan_check_write+0x14/0x20 [ 373.596628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 373.601481] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 373.606865] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 373.606946] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 373.613792] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 373.613798] Call Trace: [ 373.613820] dump_stack+0x1c4/0x2b6 [ 373.613843] ? dump_stack_print_info.cold.1+0x20/0x20 [ 373.620368] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 373.629673] warn_alloc.cold.119+0xb7/0x1bd [ 373.632226] syz-executor1 cpuset= [ 373.635845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 373.641011] syz1 [ 373.651493] ? lock_downgrade+0x900/0x900 [ 373.655790] mems_allowed=0 [ 373.659240] ? trace_hardirqs_off+0xb8/0x310 [ 373.677476] ? trace_hardirqs_off+0xb8/0x310 [ 373.681897] __alloc_pages_slowpath+0x265e/0x2d70 [ 373.686776] ? warn_alloc+0x120/0x120 [ 373.690586] ? warn_alloc+0x120/0x120 [ 373.694393] ? print_usage_bug+0xc0/0xc0 [ 373.698460] ? warn_alloc+0x120/0x120 [ 373.702262] ? print_usage_bug+0xc0/0xc0 [ 373.706328] ? __lock_acquire+0x7ec/0x4ec0 [ 373.710562] ? __lock_acquire+0x7ec/0x4ec0 [ 373.714799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.720341] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 373.725880] ? should_fail+0x22d/0xd01 [ 373.729775] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.734887] ? __lock_acquire+0x7ec/0x4ec0 [ 373.739129] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 373.744253] ? __lock_acquire+0x7ec/0x4ec0 [ 373.748491] ? should_fail+0x22d/0xd01 [ 373.752388] ? mark_held_locks+0x130/0x130 [ 373.756630] ? mark_held_locks+0x130/0x130 [ 373.760870] ? graph_lock+0x170/0x170 [ 373.764671] ? print_usage_bug+0xc0/0xc0 [ 373.768732] ? graph_lock+0x170/0x170 [ 373.772564] ? print_usage_bug+0xc0/0xc0 [ 373.776627] ? wq_watchdog_touch+0x9c/0xfe [ 373.780877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.786440] ? check_preemption_disabled+0x48/0x280 [ 373.791460] ? check_preemption_disabled+0x48/0x280 [ 373.796490] ? __lock_is_held+0xb5/0x140 [ 373.800562] __alloc_pages_nodemask+0xa80/0xde0 [ 373.805250] ? graph_lock+0x170/0x170 [ 373.809057] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 373.814088] ? graph_lock+0x170/0x170 [ 373.817906] ? find_held_lock+0x36/0x1c0 [ 373.821994] ? ____cache_alloc_node+0x1c7/0x1e0 [ 373.826666] ? lock_downgrade+0x900/0x900 [ 373.830823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.836369] cache_grow_begin+0x91/0x8c0 [ 373.840440] ? do_raw_spin_unlock+0xa7/0x330 [ 373.844863] fallback_alloc+0x203/0x2e0 [ 373.848846] ____cache_alloc_node+0x1c7/0x1e0 [ 373.853354] kmem_cache_alloc_node+0xe3/0x730 [ 373.857855] ? ipv6_get_ifaddr+0x42e/0x620 [ 373.862102] __alloc_skb+0x119/0x770 [ 373.865820] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 373.871103] ? skb_scrub_packet+0x490/0x490 [ 373.875425] ? lock_downgrade+0x900/0x900 [ 373.879593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 373.885130] ? refcount_sub_and_test_checked+0x203/0x310 [ 373.890592] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 373.896049] ? addrconf_rs_timer+0x690/0x690 [ 373.900485] ndisc_alloc_skb+0x144/0x340 [ 373.904554] ndisc_send_rs+0x331/0x6e0 [ 373.908453] addrconf_rs_timer+0x314/0x690 [ 373.912716] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.916980] call_timer_fn+0x272/0x920 [ 373.920898] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.925137] ? process_timeout+0x40/0x40 [ 373.929205] ? find_held_lock+0x36/0x1c0 [ 373.933278] ? __run_timers+0x7da/0xc70 [ 373.937255] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.941750] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.946246] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.950487] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 373.955071] ? trace_hardirqs_on+0xbd/0x310 [ 373.959393] ? kasan_check_read+0x11/0x20 [ 373.963544] ? __run_timers+0x7da/0xc70 [ 373.967531] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 373.972988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.977231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 373.981467] __run_timers+0x7e5/0xc70 [ 373.985303] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 373.990675] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.995176] ? _raw_spin_unlock_irq+0x27/0x80 [ 373.999675] ? lockdep_hardirqs_on+0x421/0x5c0 [ 374.004259] ? trace_hardirqs_on+0xbd/0x310 [ 374.008582] ? kasan_check_read+0x11/0x20 [ 374.012751] ? finish_task_switch+0x1f4/0x910 [ 374.017250] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.022704] ? compat_start_thread+0x80/0x80 [ 374.027117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.032674] ? pvclock_read_flags+0x160/0x160 [ 374.037177] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.042725] ? check_preemption_disabled+0x48/0x280 [ 374.047753] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 374.053294] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.058573] ? rcu_pm_notify+0xc0/0xc0 [ 374.062465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.068004] ? check_preemption_disabled+0x48/0x280 [ 374.073031] run_timer_softirq+0x52/0xb0 [ 374.077095] ? rcu_read_lock_sched_held+0x108/0x120 [ 374.082114] __do_softirq+0x30c/0xb03 [ 374.085930] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.091033] ? trace_hardirqs_off+0xb8/0x310 [ 374.095456] ? schedule+0x108/0x460 [ 374.099098] ? trace_hardirqs_off+0xb8/0x310 [ 374.103509] ? smpboot_thread_fn+0x68b/0xa00 [ 374.107921] ? trace_hardirqs_on+0x310/0x310 [ 374.112332] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.117887] ? check_preemption_disabled+0x48/0x280 [ 374.122923] ? takeover_tasklets+0xa90/0xa90 [ 374.127341] run_ksoftirqd+0x94/0x100 [ 374.131145] smpboot_thread_fn+0x68b/0xa00 [ 374.135388] ? sort_range+0x30/0x30 [ 374.139020] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 374.144133] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.149689] ? __kthread_parkme+0xfb/0x1a0 [ 374.153930] kthread+0x35a/0x420 [ 374.157300] ? sort_range+0x30/0x30 [ 374.160929] ? kthread_bind+0x40/0x40 [ 374.164738] ret_from_fork+0x3a/0x50 [ 374.168473] warn_alloc_show_mem: 1 callbacks suppressed [ 374.168485] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 374.168487] Mem-Info: [ 374.168518] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 374.168518] active_file:15 inactive_file:13 isolated_file:0 [ 374.168518] unevictable:0 dirty:0 writeback:0 unstable:0 [ 374.168518] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 374.168518] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 374.168518] free:13788 free_pcp:609 free_cma:0 [ 374.173858] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 374.181136] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 374.183534] Call Trace: [ 374.216419] Node 0 [ 374.225768] [ 374.253288] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 374.255851] dump_stack+0x1c4/0x2b6 [ 374.258061] lowmem_reserve[]: [ 374.260207] ? dump_stack_print_info.cold.1+0x20/0x20 [ 374.285683] 0 2819 [ 374.289339] warn_alloc.cold.119+0xb7/0x1bd [ 374.292401] 6323 [ 374.297584] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 374.299804] 6323 [ 374.304136] ? lock_downgrade+0x900/0x900 [ 374.311020] ? trace_hardirqs_off+0xb8/0x310 [ 374.313056] Node 0 [ 374.317200] ? trace_hardirqs_off+0xb8/0x310 [ 374.321606] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 374.323822] __alloc_pages_slowpath+0x265e/0x2d70 [ 374.328200] lowmem_reserve[]: [ 374.355117] ? warn_alloc+0x120/0x120 [ 374.359912] 0 [ 374.363017] ? lock_release+0x970/0x970 [ 374.366787] 0 3503 [ 374.368597] ? warn_alloc+0x120/0x120 [ 374.372545] 3503 [ 374.374775] ? print_usage_bug+0xc0/0xc0 [ 374.380606] ? warn_alloc+0x120/0x120 [ 374.384641] Node 0 [ 374.388433] ? print_usage_bug+0xc0/0xc0 [ 374.388469] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 374.390674] ? __lock_acquire+0x7ec/0x4ec0 [ 374.394709] lowmem_reserve[]: [ 374.423081] ? __lock_acquire+0x7ec/0x4ec0 [ 374.427292] 0 [ 374.430394] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.434600] 0 [ 374.436398] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 374.441907] 0 0 [ 374.443719] ? should_fail+0x22d/0xd01 [ 374.451203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.455068] Node 0 [ 374.460172] ? __lock_acquire+0x7ec/0x4ec0 [ 374.460175] DMA: 1*4kB [ 374.462412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 374.466637] (U) [ 374.469219] ? __lock_acquire+0x7ec/0x4ec0 [ 374.474297] 0*8kB [ 374.476266] ? should_fail+0x22d/0xd01 [ 374.480477] 0*16kB [ 374.482625] ? mark_held_locks+0x130/0x130 [ 374.486481] 1*32kB [ 374.488714] ? mark_held_locks+0x130/0x130 [ 374.492924] (U) [ 374.495157] ? graph_lock+0x170/0x170 [ 374.499379] 2*64kB [ 374.501349] ? print_usage_bug+0xc0/0xc0 [ 374.505119] (U) 1*128kB [ 374.507355] ? graph_lock+0x170/0x170 [ 374.511393] (U) [ 374.514059] ? print_usage_bug+0xc0/0xc0 [ 374.517872] 1*256kB [ 374.519862] ? wq_watchdog_touch+0x9c/0xfe [ 374.523891] (U) 0*512kB [ 374.526220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.530425] 1*1024kB (U) [ 374.533102] ? check_preemption_disabled+0x48/0x280 [ 374.538610] 1*2048kB (M) [ 374.541376] ? check_preemption_disabled+0x48/0x280 [ 374.546366] 3*4096kB [ 374.549124] ? __lock_is_held+0xb5/0x140 [ 374.554103] (M) [ 374.556511] __alloc_pages_nodemask+0xa80/0xde0 [ 374.560547] = 15908kB [ 374.562515] ? graph_lock+0x170/0x170 [ 374.567166] Node 0 [ 374.569570] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 374.573347] DMA32: [ 374.575576] ? graph_lock+0x170/0x170 [ 374.580571] 5*4kB [ 374.582807] ? find_held_lock+0x36/0x1c0 [ 374.586576] (UM) [ 374.588729] ? ____cache_alloc_node+0x1c7/0x1e0 [ 374.592761] 0*8kB [ 374.594819] ? lock_downgrade+0x900/0x900 [ 374.599466] 3*16kB [ 374.601612] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.605731] (UM) [ 374.607981] cache_grow_begin+0x91/0x8c0 [ 374.613491] 2*32kB [ 374.615553] ? do_raw_spin_unlock+0xa7/0x330 [ 374.619615] (M) [ 374.621856] fallback_alloc+0x203/0x2e0 [ 374.626233] 5*64kB [ 374.628209] ____cache_alloc_node+0x1c7/0x1e0 [ 374.632156] (UM) [ 374.634399] kmem_cache_alloc_node+0xe3/0x730 [ 374.638870] 4*128kB [ 374.640927] ? ipv6_get_ifaddr+0x42e/0x620 [ 374.645397] (UM) [ 374.647723] __alloc_skb+0x119/0x770 [ 374.651937] 3*256kB (M) [ 374.654007] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 374.657691] 4*512kB (UM) [ 374.660364] ? skb_scrub_packet+0x490/0x490 [ 374.665614] 3*1024kB [ 374.668370] ? lock_downgrade+0x900/0x900 [ 374.672668] (UM) [ 374.675079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.679197] 3*2048kB [ 374.681256] ? refcount_sub_and_test_checked+0x203/0x310 [ 374.686783] (M) [ 374.689195] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 374.694620] 3*4096kB [ 374.696590] ? addrconf_rs_timer+0x690/0x690 [ 374.702018] (M) [ 374.704435] ndisc_alloc_skb+0x144/0x340 [ 374.708809] = 25284kB [ 374.708817] Node 0 [ 374.710793] ndisc_send_rs+0x331/0x6e0 [ 374.714822] Normal: 888*4kB [ 374.717235] addrconf_rs_timer+0x314/0x690 [ 374.719484] (UMEH) [ 374.723369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.726361] 387*8kB [ 374.730597] call_timer_fn+0x272/0x920 [ 374.732802] (UME) [ 374.737031] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.739326] 157*16kB (UME) [ 374.743218] ? process_timeout+0x40/0x40 [ 374.745343] 53*32kB [ 374.749573] ? find_held_lock+0x36/0x1c0 [ 374.752498] (UMEH) [ 374.756556] ? __run_timers+0x7da/0xc70 [ 374.758850] 26*64kB (UMH) [ 374.762913] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.765127] 4*128kB [ 374.769122] ? _raw_spin_unlock_irq+0x27/0x80 [ 374.771962] (UMH) [ 374.776468] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.778774] 0*256kB 0*512kB [ 374.783437] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 374.785573] 1*1024kB [ 374.789798] ? trace_hardirqs_on+0xbd/0x310 [ 374.792790] (H) [ 374.797367] ? kasan_check_read+0x11/0x20 [ 374.799755] 0*2048kB [ 374.804071] ? __run_timers+0x7da/0xc70 [ 374.806022] 0*4096kB = 14056kB [ 374.810175] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 374.812572] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 374.816534] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.819706] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 374.825144] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 374.833993] 147 total pagecache pages [ 374.838224] __run_timers+0x7e5/0xc70 [ 374.846779] 0 pages in swap cache [ 374.851009] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 374.854773] Swap cache stats: add 0, delete 0, find 0/0 [ 374.854782] Free swap = 0kB [ 374.858579] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 374.862007] Total swap = 0kB [ 374.867366] ? graph_lock+0x170/0x170 [ 374.872703] 1965979 pages RAM [ 374.875714] ? enqueue_hrtimer+0x1a5/0x560 [ 374.880711] 0 pages HighMem/MovableOnly [ 374.883726] ? lock_release+0x970/0x970 [ 374.887494] 342307 pages reserved [ 374.887502] 0 pages cma reserved [ 374.890602] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 374.894894] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 374.898781] ? find_held_lock+0x36/0x1c0 [ 374.902823] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 374.906186] ? graph_lock+0x170/0x170 [ 374.909532] ksoftirqd/0 cpuset= [ 374.914716] ? pvclock_read_flags+0x160/0x160 [ 374.921271] / [ 374.925328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.935614] mems_allowed=0 [ 374.939410] ? check_preemption_disabled+0x48/0x280 [ 374.962333] ? __lock_is_held+0xb5/0x140 [ 374.966401] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 374.971987] ? check_preemption_disabled+0x48/0x280 [ 374.977006] run_timer_softirq+0x52/0xb0 [ 374.981081] ? rcu_read_lock_sched_held+0x108/0x120 [ 374.986112] __do_softirq+0x30c/0xb03 [ 374.989925] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 374.995039] ? pvclock_read_flags+0x160/0x160 [ 374.999534] ? lapic_next_event+0x5a/0x90 [ 375.003683] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.009224] ? check_preemption_disabled+0x48/0x280 [ 375.014271] ? check_preemption_disabled+0x48/0x280 [ 375.019293] ? kvm_clock_read+0x18/0x30 [ 375.023270] ? kvm_sched_clock_read+0x9/0x20 [ 375.027679] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.033233] ? check_preemption_disabled+0x48/0x280 [ 375.038266] irq_exit+0x17f/0x1c0 [ 375.041722] smp_apic_timer_interrupt+0x1cb/0x760 [ 375.046563] ? smp_reschedule_interrupt+0x109/0x650 [ 375.051581] ? smp_call_function_single_interrupt+0x650/0x650 [ 375.057480] ? interrupt_entry+0xb5/0xf0 [ 375.061558] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.066604] ? trace_hardirqs_off_caller+0xbb/0x310 [ 375.071627] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.076470] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.081492] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.086508] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.092048] ? check_preemption_disabled+0x48/0x280 [ 375.097062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.102615] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.107515] apic_timer_interrupt+0xf/0x20 [ 375.111740] [ 375.113979] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 375.118943] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 375.137845] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 375.145554] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 375.152821] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 375.160087] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 375.167355] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 375.174620] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 375.181947] skb_clone+0x1bb/0x500 [ 375.185496] ? finish_task_switch+0x1b4/0x910 [ 375.189995] ? skb_split+0x11e0/0x11e0 [ 375.193883] ? preempt_notifier_register+0x200/0x200 [ 375.198986] ? __switch_to_asm+0x34/0x70 [ 375.203048] ? __switch_to_asm+0x34/0x70 [ 375.207108] ? __switch_to_asm+0x40/0x70 [ 375.211174] ? __switch_to_asm+0x34/0x70 [ 375.215236] ? __switch_to_asm+0x40/0x70 [ 375.219294] ? __switch_to_asm+0x34/0x70 [ 375.223353] ? __switch_to_asm+0x40/0x70 [ 375.227415] ? __switch_to_asm+0x34/0x70 [ 375.231491] ? __switch_to_asm+0x34/0x70 [ 375.235549] ? __switch_to_asm+0x40/0x70 [ 375.239607] ? __switch_to_asm+0x34/0x70 [ 375.243681] bpf_clone_redirect+0xb9/0x490 [ 375.247924] ? __schedule+0x874/0x1ed0 [ 375.251850] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 375.256874] ? __sched_text_start+0x8/0x8 [ 375.261031] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.265612] ? retint_kernel+0x2d/0x2d [ 375.269503] ? trace_hardirqs_on_caller+0xc0/0x310 [ 375.274438] ? find_held_lock+0x36/0x1c0 [ 375.278510] ? lock_acquire+0x1ed/0x520 [ 375.282481] ? bpf_test_run+0x32e/0x5a0 [ 375.286477] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.292036] ? check_preemption_disabled+0x48/0x280 [ 375.297060] ? kasan_check_read+0x11/0x20 [ 375.301212] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.306491] ? rcu_bh_qs+0xc0/0xc0 [ 375.310032] ? preempt_schedule+0x4d/0x60 [ 375.314185] ? ___preempt_schedule+0x16/0x18 [ 375.318604] ? bpf_test_run+0x1c0/0x5a0 [ 375.322593] ? netlink_diag_dump+0x2a0/0x2a0 [ 375.327004] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.332545] ? bpf_test_init.isra.9+0x70/0x100 [ 375.337134] ? bpf_prog_test_run_skb+0x634/0xb40 [ 375.341906] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 375.346763] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 375.352299] ? fput+0x130/0x1a0 [ 375.355580] ? __bpf_prog_get+0x9b/0x290 [ 375.359647] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 375.364491] ? bpf_prog_test_run+0x130/0x1a0 [ 375.368902] ? __x64_sys_bpf+0x3d8/0x510 [ 375.372968] ? bpf_prog_get+0x20/0x20 [ 375.376791] ? do_syscall_64+0x1b9/0x820 [ 375.380853] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 375.386218] ? syscall_return_slowpath+0x5e0/0x5e0 [ 375.391149] ? trace_hardirqs_on_caller+0x310/0x310 [ 375.396181] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 375.401200] ? recalc_sigpending_tsk+0x180/0x180 [ 375.405967] ? kasan_check_write+0x14/0x20 [ 375.410215] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 375.415071] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 375.420461] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 375.420541] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 375.427221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.427226] Call Trace: [ 375.427247] dump_stack+0x1c4/0x2b6 [ 375.427267] ? dump_stack_print_info.cold.1+0x20/0x20 [ 375.433830] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 375.443101] warn_alloc.cold.119+0xb7/0x1bd [ 375.445657] syz-executor1 cpuset= [ 375.449278] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 375.454445] syz1 [ 375.464923] ? lock_downgrade+0x900/0x900 [ 375.469226] mems_allowed=0 [ 375.472687] ? trace_hardirqs_off+0xb8/0x310 [ 375.490934] ? trace_hardirqs_off+0xb8/0x310 [ 375.495368] __alloc_pages_slowpath+0x265e/0x2d70 [ 375.500247] ? warn_alloc+0x120/0x120 [ 375.504056] ? warn_alloc+0x120/0x120 [ 375.507863] ? print_usage_bug+0xc0/0xc0 [ 375.511928] ? warn_alloc+0x120/0x120 [ 375.515730] ? print_usage_bug+0xc0/0xc0 [ 375.519797] ? __lock_acquire+0x7ec/0x4ec0 [ 375.524032] ? __lock_acquire+0x7ec/0x4ec0 [ 375.528291] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.533830] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.539397] ? should_fail+0x22d/0xd01 [ 375.543296] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.548402] ? __lock_acquire+0x7ec/0x4ec0 [ 375.552647] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 375.557766] ? __lock_acquire+0x7ec/0x4ec0 [ 375.562002] ? should_fail+0x22d/0xd01 [ 375.565901] ? mark_held_locks+0x130/0x130 [ 375.570138] ? mark_held_locks+0x130/0x130 [ 375.574388] ? mark_held_locks+0xc7/0x130 [ 375.578535] ? print_usage_bug+0xc0/0xc0 [ 375.582605] ? graph_lock+0x170/0x170 [ 375.586405] ? print_usage_bug+0xc0/0xc0 [ 375.590475] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.596017] ? check_preemption_disabled+0x48/0x280 [ 375.601050] ? check_preemption_disabled+0x48/0x280 [ 375.606082] ? __lock_is_held+0xb5/0x140 [ 375.610155] __alloc_pages_nodemask+0xa80/0xde0 [ 375.614835] ? graph_lock+0x170/0x170 [ 375.618641] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 375.623653] ? graph_lock+0x170/0x170 [ 375.627470] ? find_held_lock+0x36/0x1c0 [ 375.631542] ? ____cache_alloc_node+0x1c7/0x1e0 [ 375.636213] ? lock_downgrade+0x900/0x900 [ 375.640371] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.645917] cache_grow_begin+0x91/0x8c0 [ 375.649980] ? do_raw_spin_unlock+0xa7/0x330 [ 375.654398] fallback_alloc+0x203/0x2e0 [ 375.658385] ____cache_alloc_node+0x1c7/0x1e0 [ 375.662888] kmem_cache_alloc_node+0xe3/0x730 [ 375.667386] ? ipv6_get_ifaddr+0x42e/0x620 [ 375.671637] __alloc_skb+0x119/0x770 [ 375.675355] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.680636] ? skb_scrub_packet+0x490/0x490 [ 375.684959] ? lock_downgrade+0x900/0x900 [ 375.689116] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.694655] ? refcount_sub_and_test_checked+0x203/0x310 [ 375.700112] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 375.705564] ? addrconf_rs_timer+0x690/0x690 [ 375.709987] ndisc_alloc_skb+0x144/0x340 [ 375.714083] ndisc_send_rs+0x331/0x6e0 [ 375.717975] addrconf_rs_timer+0x314/0x690 [ 375.722221] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.726476] call_timer_fn+0x272/0x920 [ 375.730362] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.734605] ? process_timeout+0x40/0x40 [ 375.738664] ? find_held_lock+0x36/0x1c0 [ 375.742735] ? __run_timers+0x7da/0xc70 [ 375.746711] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.751207] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.755702] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.759935] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 375.764535] ? trace_hardirqs_on+0xbd/0x310 [ 375.768875] ? kasan_check_read+0x11/0x20 [ 375.773063] ? __run_timers+0x7da/0xc70 [ 375.777047] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.782506] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.786747] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 375.790983] __run_timers+0x7e5/0xc70 [ 375.794798] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 375.800185] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.804692] ? _raw_spin_unlock_irq+0x27/0x80 [ 375.809198] ? lockdep_hardirqs_on+0x421/0x5c0 [ 375.813782] ? trace_hardirqs_on+0xbd/0x310 [ 375.818105] ? kasan_check_read+0x11/0x20 [ 375.822253] ? finish_task_switch+0x1f4/0x910 [ 375.826767] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 375.832221] ? compat_start_thread+0x80/0x80 [ 375.836635] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.842194] ? pvclock_read_flags+0x160/0x160 [ 375.846693] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.852234] ? check_preemption_disabled+0x48/0x280 [ 375.857261] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 375.862797] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 375.868074] ? rcu_pm_notify+0xc0/0xc0 [ 375.871966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 375.877523] ? check_preemption_disabled+0x48/0x280 [ 375.882592] run_timer_softirq+0x52/0xb0 [ 375.886668] ? rcu_read_lock_sched_held+0x108/0x120 [ 375.891690] __do_softirq+0x30c/0xb03 [ 375.895503] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 375.900605] ? trace_hardirqs_off+0xb8/0x310 [ 375.905023] ? schedule+0x108/0x460 [ 375.908665] ? trace_hardirqs_off+0xb8/0x310 [ 375.913080] ? smpboot_thread_fn+0x68b/0xa00 [ 375.917493] ? trace_hardirqs_on+0x310/0x310 [ 375.921907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.927455] ? check_preemption_disabled+0x48/0x280 [ 375.932493] ? takeover_tasklets+0xa90/0xa90 [ 375.936904] run_ksoftirqd+0x94/0x100 [ 375.940708] smpboot_thread_fn+0x68b/0xa00 [ 375.944948] ? sort_range+0x30/0x30 [ 375.948584] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 375.953707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 375.959249] ? __kthread_parkme+0xfb/0x1a0 [ 375.963489] kthread+0x35a/0x420 [ 375.966857] ? sort_range+0x30/0x30 [ 375.970481] ? kthread_bind+0x40/0x40 [ 375.974288] ret_from_fork+0x3a/0x50 [ 375.978020] warn_alloc_show_mem: 1 callbacks suppressed [ 375.978032] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 375.978033] Mem-Info: [ 375.978065] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 375.978065] active_file:15 inactive_file:13 isolated_file:0 [ 375.978065] unevictable:0 dirty:0 writeback:0 unstable:0 [ 375.978065] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 375.978065] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 375.978065] free:13788 free_pcp:609 free_cma:0 [ 375.983394] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 375.983402] Call Trace: [ 375.990719] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 375.993116] [ 376.025985] Node 0 [ 376.035355] dump_stack+0x1c4/0x2b6 [ 376.037938] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 376.065421] ? dump_stack_print_info.cold.1+0x20/0x20 [ 376.067547] lowmem_reserve[]: 0 [ 376.069796] warn_alloc.cold.119+0xb7/0x1bd [ 376.073384] 2819 6323 [ 376.098907] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 376.104093] 6323 [ 376.107372] ? lock_downgrade+0x900/0x900 [ 376.114173] ? trace_hardirqs_off+0xb8/0x310 [ 376.118983] Node 0 [ 376.121051] ? trace_hardirqs_off+0xb8/0x310 [ 376.125206] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 376.129586] __alloc_pages_slowpath+0x265e/0x2d70 [ 376.131786] lowmem_reserve[]: 0 [ 376.136224] ? warn_alloc+0x120/0x120 [ 376.163064] 0 3503 [ 376.167913] ? trace_hardirqs_on+0x310/0x310 [ 376.171184] 3503 [ 376.174985] ? warn_alloc+0x120/0x120 [ 376.177198] Node 0 [ 376.181620] ? print_usage_bug+0xc0/0xc0 [ 376.183685] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 376.187453] ? warn_alloc+0x120/0x120 [ 376.189674] lowmem_reserve[]: 0 [ 376.193737] ? ktime_get+0x2e1/0x440 [ 376.222078] 0 [ 376.225872] ? print_usage_bug+0xc0/0xc0 [ 376.229121] 0 0 [ 376.232834] ? __lock_acquire+0x7ec/0x4ec0 [ 376.234615] Node 0 [ 376.238667] ? __lock_acquire+0x7ec/0x4ec0 [ 376.240613] DMA: 1*4kB [ 376.244867] ? kasan_check_read+0x11/0x20 [ 376.247088] (U) [ 376.251330] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 376.253899] 0*8kB [ 376.258053] ? should_fail+0x22d/0xd01 [ 376.260005] 0*16kB [ 376.265534] ? rcu_bh_qs+0xc0/0xc0 [ 376.267663] 1*32kB [ 376.271541] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.273756] (U) [ 376.277378] ? __lock_acquire+0x7ec/0x4ec0 [ 376.279595] 2*64kB [ 376.284690] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 376.286641] (U) [ 376.290867] ? __lock_acquire+0x7ec/0x4ec0 [ 376.293082] 1*128kB [ 376.298184] ? should_fail+0x22d/0xd01 [ 376.300136] (U) [ 376.304370] ? rcu_idle_enter+0x4b0/0x4b0 [ 376.306674] 1*256kB [ 376.310556] ? mark_held_locks+0x130/0x130 [ 376.312503] (U) [ 376.316642] ? mark_held_locks+0x130/0x130 [ 376.318936] 0*512kB 1*1024kB [ 376.323182] ? mark_held_locks+0xc7/0x130 [ 376.325130] (U) 1*2048kB [ 376.329373] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 376.332455] (M) [ 376.336612] ? graph_lock+0x170/0x170 [ 376.339347] 3*4096kB [ 376.344352] ? print_usage_bug+0xc0/0xc0 [ 376.346314] (M) = 15908kB [ 376.350130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.352514] Node 0 [ 376.356574] ? check_preemption_disabled+0x48/0x280 [ 376.359302] DMA32: [ 376.364831] ? check_preemption_disabled+0x48/0x280 [ 376.367068] 5*4kB [ 376.372109] ? __lock_is_held+0xb5/0x140 [ 376.374314] (UM) [ 376.379325] __alloc_pages_nodemask+0xa80/0xde0 [ 376.381450] 0*8kB [ 376.385502] ? graph_lock+0x170/0x170 [ 376.387544] 3*16kB [ 376.392207] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 376.394334] (UM) [ 376.398126] ? graph_lock+0x170/0x170 [ 376.400336] 2*32kB (M) [ 376.405362] ? find_held_lock+0x36/0x1c0 [ 376.407395] 5*64kB [ 376.411201] ? ____cache_alloc_node+0x1c7/0x1e0 [ 376.413755] (UM) [ 376.417809] ? lock_downgrade+0x900/0x900 [ 376.420023] 4*128kB [ 376.424686] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.426719] (UM) [ 376.430864] cache_grow_begin+0x91/0x8c0 [ 376.433171] 3*256kB [ 376.438700] ? do_raw_spin_unlock+0xa7/0x330 [ 376.440735] (M) [ 376.444792] fallback_alloc+0x203/0x2e0 [ 376.447091] 4*512kB [ 376.451493] ____cache_alloc_node+0x1c7/0x1e0 [ 376.453446] (UM) [ 376.457418] kmem_cache_alloc_node+0xe3/0x730 [ 376.459714] 3*1024kB [ 376.464203] ? ipv6_get_ifaddr+0x42e/0x620 [ 376.466238] (UM) [ 376.470735] __alloc_skb+0x119/0x770 [ 376.473116] 3*2048kB [ 376.477354] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 376.479388] (M) 3*4096kB [ 376.483270] ? skb_scrub_packet+0x490/0x490 [ 376.485650] (M) = 25284kB [ 376.490928] ? lock_downgrade+0x900/0x900 [ 376.493660] Node 0 [ 376.497983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.500705] Normal: 888*4kB [ 376.504854] ? refcount_sub_and_test_checked+0x203/0x310 [ 376.507067] (UMEH) [ 376.512596] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 376.515586] 387*8kB (UME) [ 376.521041] ? addrconf_rs_timer+0x690/0x690 [ 376.523260] 157*16kB [ 376.528730] ndisc_alloc_skb+0x144/0x340 [ 376.531546] (UME) [ 376.535957] ndisc_send_rs+0x331/0x6e0 [ 376.538337] 53*32kB (UMEH) [ 376.542407] addrconf_rs_timer+0x314/0x690 [ 376.544530] 26*64kB [ 376.548415] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.551323] (UMH) [ 376.555564] call_timer_fn+0x272/0x920 [ 376.557855] 4*128kB [ 376.562084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.564208] (UMH) [ 376.568120] ? process_timeout+0x40/0x40 [ 376.570422] 0*256kB [ 376.574652] ? find_held_lock+0x36/0x1c0 [ 376.576777] 0*512kB [ 376.580836] ? __run_timers+0x7da/0xc70 [ 376.583130] 1*1024kB [ 376.587187] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.589526] (H) [ 376.593490] ? _raw_spin_unlock_irq+0x27/0x80 [ 376.595878] 0*2048kB [ 376.600363] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.600381] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 376.602339] 0*4096kB [ 376.606826] ? trace_hardirqs_on+0xbd/0x310 [ 376.609212] = 14056kB [ 376.613460] ? kasan_check_read+0x11/0x20 [ 376.618021] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 376.620417] ? __run_timers+0x7da/0xc70 [ 376.624718] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 376.624726] 147 total pagecache pages [ 376.627130] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 376.631258] 0 pages in swap cache [ 376.640092] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 376.644039] Swap cache stats: add 0, delete 0, find 0/0 [ 376.652604] __run_timers+0x7e5/0xc70 [ 376.656410] Free swap = 0kB [ 376.661865] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 376.665286] Total swap = 0kB [ 376.669512] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 376.674867] 1965979 pages RAM [ 376.678672] ? graph_lock+0x170/0x170 [ 376.681667] 0 pages HighMem/MovableOnly [ 376.687026] ? enqueue_hrtimer+0x1a5/0x560 [ 376.690018] 342307 pages reserved [ 376.690026] 0 pages cma reserved [ 376.695033] ? lock_release+0x970/0x970 [ 376.698207] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 376.701919] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 376.701950] ? find_held_lock+0x36/0x1c0 [ 376.706036] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 376.710173] ? graph_lock+0x170/0x170 [ 376.713601] ksoftirqd/0 cpuset= [ 376.716963] ? pvclock_read_flags+0x160/0x160 [ 376.720915] / [ 376.727406] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.732577] mems_allowed=0 [ 376.736630] ? check_preemption_disabled+0x48/0x280 [ 376.773650] ? __lock_is_held+0xb5/0x140 [ 376.777717] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.783416] ? check_preemption_disabled+0x48/0x280 [ 376.788445] run_timer_softirq+0x52/0xb0 [ 376.792510] ? rcu_read_lock_sched_held+0x108/0x120 [ 376.797531] __do_softirq+0x30c/0xb03 [ 376.801343] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 376.806451] ? pvclock_read_flags+0x160/0x160 [ 376.810961] ? lapic_next_event+0x5a/0x90 [ 376.815113] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.820652] ? check_preemption_disabled+0x48/0x280 [ 376.825670] ? check_preemption_disabled+0x48/0x280 [ 376.830691] ? kvm_clock_read+0x18/0x30 [ 376.834672] ? kvm_sched_clock_read+0x9/0x20 [ 376.839084] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.844622] ? check_preemption_disabled+0x48/0x280 [ 376.849650] irq_exit+0x17f/0x1c0 [ 376.853107] smp_apic_timer_interrupt+0x1cb/0x760 [ 376.857953] ? smp_reschedule_interrupt+0x109/0x650 [ 376.862972] ? smp_call_function_single_interrupt+0x650/0x650 [ 376.868858] ? interrupt_entry+0xb5/0xf0 [ 376.872920] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.877952] ? trace_hardirqs_off_caller+0xbb/0x310 [ 376.882971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.887816] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.892833] ? trace_hardirqs_on_caller+0x310/0x310 [ 376.897849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.903391] ? check_preemption_disabled+0x48/0x280 [ 376.908408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 376.914446] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 376.919314] apic_timer_interrupt+0xf/0x20 [ 376.923539] [ 376.925795] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 376.930739] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 376.949640] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 376.957364] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 376.965081] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 376.972346] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 376.979616] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 376.986895] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 376.994230] skb_clone+0x1bb/0x500 [ 376.997774] ? finish_task_switch+0x1b4/0x910 [ 377.002266] ? skb_split+0x11e0/0x11e0 [ 377.006166] ? preempt_notifier_register+0x200/0x200 [ 377.011269] ? __switch_to_asm+0x34/0x70 [ 377.015331] ? __switch_to_asm+0x34/0x70 [ 377.019388] ? __switch_to_asm+0x40/0x70 [ 377.023465] ? __switch_to_asm+0x34/0x70 [ 377.027539] ? __switch_to_asm+0x40/0x70 [ 377.031598] ? __switch_to_asm+0x34/0x70 [ 377.035655] ? __switch_to_asm+0x40/0x70 [ 377.039717] ? __switch_to_asm+0x34/0x70 [ 377.043779] ? __switch_to_asm+0x34/0x70 [ 377.047843] ? __switch_to_asm+0x40/0x70 [ 377.051904] ? __switch_to_asm+0x34/0x70 [ 377.055976] bpf_clone_redirect+0xb9/0x490 [ 377.060219] ? __schedule+0x874/0x1ed0 [ 377.064138] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 377.069195] ? __sched_text_start+0x8/0x8 [ 377.073350] ? lockdep_hardirqs_on+0x421/0x5c0 [ 377.077951] ? retint_kernel+0x2d/0x2d [ 377.081841] ? trace_hardirqs_on_caller+0xc0/0x310 [ 377.086776] ? find_held_lock+0x36/0x1c0 [ 377.090844] ? lock_acquire+0x1ed/0x520 [ 377.094818] ? bpf_test_run+0x32e/0x5a0 [ 377.098826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.104364] ? check_preemption_disabled+0x48/0x280 [ 377.109388] ? kasan_check_read+0x11/0x20 [ 377.113538] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.118816] ? rcu_bh_qs+0xc0/0xc0 [ 377.122359] ? preempt_schedule+0x4d/0x60 [ 377.126555] ? ___preempt_schedule+0x16/0x18 [ 377.130970] ? bpf_test_run+0x1c0/0x5a0 [ 377.134975] ? netlink_diag_dump+0x2a0/0x2a0 [ 377.139392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.144926] ? bpf_test_init.isra.9+0x70/0x100 [ 377.149521] ? bpf_prog_test_run_skb+0x634/0xb40 [ 377.154286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.159128] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 377.164674] ? fput+0x130/0x1a0 [ 377.167961] ? __bpf_prog_get+0x9b/0x290 [ 377.172030] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 377.176871] ? bpf_prog_test_run+0x130/0x1a0 [ 377.181285] ? __x64_sys_bpf+0x3d8/0x510 [ 377.185347] ? bpf_prog_get+0x20/0x20 [ 377.189196] ? do_syscall_64+0x1b9/0x820 [ 377.193261] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 377.198630] ? syscall_return_slowpath+0x5e0/0x5e0 [ 377.203562] ? trace_hardirqs_on_caller+0x310/0x310 [ 377.208580] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 377.213600] ? recalc_sigpending_tsk+0x180/0x180 [ 377.218358] ? kasan_check_write+0x14/0x20 [ 377.222603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 377.227456] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 377.232860] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 377.232941] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 377.239620] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.239628] Call Trace: [ 377.246215] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 377.255463] dump_stack+0x1c4/0x2b6 [ 377.258024] syz-executor1 cpuset= [ 377.268519] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.272132] syz1 [ 377.275624] warn_alloc.cold.119+0xb7/0x1bd [ 377.280785] mems_allowed=0 [ 377.282753] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.294811] ? lock_downgrade+0x900/0x900 [ 377.298980] ? trace_hardirqs_off+0xb8/0x310 [ 377.303399] ? trace_hardirqs_off+0xb8/0x310 [ 377.307821] __alloc_pages_slowpath+0x265e/0x2d70 [ 377.312699] ? warn_alloc+0x120/0x120 [ 377.316506] ? warn_alloc+0x120/0x120 [ 377.320313] ? print_usage_bug+0xc0/0xc0 [ 377.324380] ? warn_alloc+0x120/0x120 [ 377.328192] ? print_usage_bug+0xc0/0xc0 [ 377.332258] ? __lock_acquire+0x7ec/0x4ec0 [ 377.336496] ? __lock_acquire+0x7ec/0x4ec0 [ 377.340735] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.346273] ? should_fail+0x22d/0xd01 [ 377.350170] ? __lock_acquire+0x7ec/0x4ec0 [ 377.354412] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.359520] ? __lock_acquire+0x7ec/0x4ec0 [ 377.363759] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 377.368864] ? __lock_acquire+0x7ec/0x4ec0 [ 377.373098] ? should_fail+0x22d/0xd01 [ 377.376999] ? mark_held_locks+0x130/0x130 [ 377.381241] ? mark_held_locks+0x130/0x130 [ 377.385484] ? graph_lock+0x170/0x170 [ 377.389285] ? print_usage_bug+0xc0/0xc0 [ 377.393348] ? __lock_acquire+0x7ec/0x4ec0 [ 377.397583] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.403121] ? check_preemption_disabled+0x48/0x280 [ 377.408136] ? check_preemption_disabled+0x48/0x280 [ 377.413176] ? __lock_is_held+0xb5/0x140 [ 377.417245] __alloc_pages_nodemask+0xa80/0xde0 [ 377.421916] ? graph_lock+0x170/0x170 [ 377.425723] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 377.430740] ? graph_lock+0x170/0x170 [ 377.434555] ? find_held_lock+0x36/0x1c0 [ 377.438630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 377.443301] ? lock_downgrade+0x900/0x900 [ 377.447465] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.453012] cache_grow_begin+0x91/0x8c0 [ 377.457077] ? do_raw_spin_unlock+0xa7/0x330 [ 377.461496] fallback_alloc+0x203/0x2e0 [ 377.465480] ____cache_alloc_node+0x1c7/0x1e0 [ 377.469982] kmem_cache_alloc_node+0xe3/0x730 [ 377.474483] ? ipv6_get_ifaddr+0x42e/0x620 [ 377.478730] __alloc_skb+0x119/0x770 [ 377.482450] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.487735] ? skb_scrub_packet+0x490/0x490 [ 377.492058] ? lock_downgrade+0x900/0x900 [ 377.496215] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.501756] ? refcount_sub_and_test_checked+0x203/0x310 [ 377.507212] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 377.512680] ? addrconf_rs_timer+0x690/0x690 [ 377.517114] ndisc_alloc_skb+0x144/0x340 [ 377.521190] ndisc_send_rs+0x331/0x6e0 [ 377.525087] addrconf_rs_timer+0x314/0x690 [ 377.529330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.533582] call_timer_fn+0x272/0x920 [ 377.537472] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.541726] ? process_timeout+0x40/0x40 [ 377.545787] ? find_held_lock+0x36/0x1c0 [ 377.549857] ? __run_timers+0x7da/0xc70 [ 377.553839] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.558338] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.562836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.567073] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 377.571661] ? trace_hardirqs_on+0xbd/0x310 [ 377.575989] ? kasan_check_read+0x11/0x20 [ 377.580136] ? __run_timers+0x7da/0xc70 [ 377.584121] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.589577] ? work_on_cpu_safe+0x90/0x90 [ 377.593735] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 377.597976] __run_timers+0x7e5/0xc70 [ 377.601791] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 377.607172] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.611669] ? _raw_spin_unlock_irq+0x27/0x80 [ 377.616176] ? lockdep_hardirqs_on+0x421/0x5c0 [ 377.620760] ? trace_hardirqs_on+0xbd/0x310 [ 377.625084] ? kasan_check_read+0x11/0x20 [ 377.629239] ? finish_task_switch+0x1f4/0x910 [ 377.633735] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 377.639206] ? compat_start_thread+0x80/0x80 [ 377.643619] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.649186] ? pvclock_read_flags+0x160/0x160 [ 377.653684] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.659246] ? check_preemption_disabled+0x48/0x280 [ 377.664275] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 377.669817] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 377.675096] ? rcu_pm_notify+0xc0/0xc0 [ 377.678989] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 377.684529] ? check_preemption_disabled+0x48/0x280 [ 377.689563] run_timer_softirq+0x52/0xb0 [ 377.693625] ? rcu_read_lock_sched_held+0x108/0x120 [ 377.698641] __do_softirq+0x30c/0xb03 [ 377.702459] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 377.707561] ? trace_hardirqs_off+0xb8/0x310 [ 377.711979] ? schedule+0x108/0x460 [ 377.716144] ? trace_hardirqs_off+0xb8/0x310 [ 377.720561] ? smpboot_thread_fn+0x68b/0xa00 [ 377.724971] ? trace_hardirqs_on+0x310/0x310 [ 377.729381] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.734919] ? check_preemption_disabled+0x48/0x280 [ 377.739939] ? takeover_tasklets+0xa90/0xa90 [ 377.744351] run_ksoftirqd+0x94/0x100 [ 377.748150] smpboot_thread_fn+0x68b/0xa00 [ 377.752402] ? sort_range+0x30/0x30 [ 377.756037] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 377.761141] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 377.766731] ? __kthread_parkme+0xfb/0x1a0 [ 377.770986] kthread+0x35a/0x420 [ 377.774356] ? sort_range+0x30/0x30 [ 377.777980] ? kthread_bind+0x40/0x40 [ 377.781784] ret_from_fork+0x3a/0x50 [ 377.785515] warn_alloc_show_mem: 1 callbacks suppressed [ 377.785527] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 377.785529] Mem-Info: [ 377.785560] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 377.785560] active_file:15 inactive_file:13 isolated_file:0 [ 377.785560] unevictable:0 dirty:0 writeback:0 unstable:0 [ 377.785560] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 377.785560] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 377.785560] free:13788 free_pcp:609 free_cma:0 [ 377.790894] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 377.798177] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 377.800574] Call Trace: [ 377.833455] Node 0 [ 377.842812] [ 377.870329] 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 [ 377.872898] dump_stack+0x1c4/0x2b6 [ 377.875106] lowmem_reserve[]: [ 377.877253] ? dump_stack_print_info.cold.1+0x20/0x20 [ 377.903155] 0 2819 [ 377.906805] warn_alloc.cold.119+0xb7/0x1bd [ 377.909873] 6323 [ 377.915058] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 377.917270] 6323 [ 377.921589] ? lock_downgrade+0x900/0x900 [ 377.928467] ? trace_hardirqs_off+0xb8/0x310 [ 377.930504] Node 0 [ 377.934650] ? trace_hardirqs_off+0xb8/0x310 [ 377.939057] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 377.941267] __alloc_pages_slowpath+0x265e/0x2d70 [ 377.945646] lowmem_reserve[]: [ 377.972603] ? warn_alloc+0x120/0x120 [ 377.977397] 0 [ 377.980494] ? trace_hardirqs_on+0x310/0x310 [ 377.984269] 0 [ 377.986068] ? warn_alloc+0x120/0x120 [ 377.990454] 3503 3503 [ 377.992277] ? print_usage_bug+0xc0/0xc0 [ 377.998535] ? warn_alloc+0x120/0x120 [ 378.002571] Node 0 [ 378.006362] ? ktime_get+0x2e1/0x440 [ 378.006397] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 378.008605] ? print_usage_bug+0xc0/0xc0 [ 378.012286] lowmem_reserve[]: 0 [ 378.040662] ? __lock_acquire+0x7ec/0x4ec0 [ 378.044698] 0 [ 378.047970] ? __lock_acquire+0x7ec/0x4ec0 [ 378.052181] 0 0 [ 378.053992] ? kasan_check_read+0x11/0x20 [ 378.060213] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.064333] Node 0 [ 378.069862] ? should_fail+0x22d/0xd01 [ 378.069865] DMA: 1*4kB [ 378.072107] ? rcu_bh_qs+0xc0/0xc0 [ 378.075995] (U) [ 378.078572] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.082080] 0*8kB 0*16kB [ 378.084058] ? __lock_acquire+0x7ec/0x4ec0 [ 378.089134] 1*32kB [ 378.091886] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 378.096101] (U) [ 378.098366] ? __lock_acquire+0x7ec/0x4ec0 [ 378.103457] 2*64kB [ 378.105442] ? should_fail+0x22d/0xd01 [ 378.109656] (U) [ 378.111908] ? rcu_idle_enter+0x4b0/0x4b0 [ 378.115768] 1*128kB (U) [ 378.117753] ? mark_held_locks+0x130/0x130 [ 378.121871] 1*256kB (U) [ 378.124542] ? mark_held_locks+0x130/0x130 [ 378.128750] 0*512kB [ 378.131418] ? mark_held_locks+0xc7/0x130 [ 378.135634] 1*1024kB [ 378.137950] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 378.142071] (U) [ 378.144480] ? graph_lock+0x170/0x170 [ 378.149472] 1*2048kB [ 378.151439] ? print_usage_bug+0xc0/0xc0 [ 378.155220] (M) 3*4096kB [ 378.157633] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.161671] (M) [ 378.164477] ? check_preemption_disabled+0x48/0x280 [ 378.169986] = 15908kB [ 378.169994] Node 0 [ 378.171966] ? check_preemption_disabled+0x48/0x280 [ 378.176953] DMA32: 5*4kB [ 378.179374] ? __lock_is_held+0xb5/0x140 [ 378.181578] (UM) [ 378.186594] __alloc_pages_nodemask+0xa80/0xde0 [ 378.189320] 0*8kB 3*16kB [ 378.193379] ? graph_lock+0x170/0x170 [ 378.195427] (UM) [ 378.200092] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 378.202826] 2*32kB [ 378.206615] ? graph_lock+0x170/0x170 [ 378.208655] (M) [ 378.213669] ? find_held_lock+0x36/0x1c0 [ 378.215875] 5*64kB [ 378.219677] ? ____cache_alloc_node+0x1c7/0x1e0 [ 378.221622] (UM) [ 378.225680] ? lock_downgrade+0x900/0x900 [ 378.227892] 4*128kB (UM) [ 378.232569] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.234604] 3*256kB [ 378.238747] cache_grow_begin+0x91/0x8c0 [ 378.241481] (M) [ 378.247011] ? do_raw_spin_unlock+0xa7/0x330 [ 378.249313] 4*512kB [ 378.253371] fallback_alloc+0x203/0x2e0 [ 378.255311] (UM) 3*1024kB [ 378.259754] ____cache_alloc_node+0x1c7/0x1e0 [ 378.262048] (UM) [ 378.266016] kmem_cache_alloc_node+0xe3/0x730 [ 378.268834] 3*2048kB [ 378.273326] ? ipv6_get_ifaddr+0x42e/0x620 [ 378.275365] (M) [ 378.279859] __alloc_skb+0x119/0x770 [ 378.282238] 3*4096kB (M) [ 378.286476] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.288425] = 25284kB [ 378.292129] ? skb_scrub_packet+0x490/0x490 [ 378.294879] Node 0 [ 378.300150] ? lock_downgrade+0x900/0x900 [ 378.302536] Normal: 888*4kB [ 378.306889] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.309098] (UMEH) [ 378.313247] ? refcount_sub_and_test_checked+0x203/0x310 [ 378.316247] 387*8kB [ 378.321778] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 378.324004] (UME) [ 378.329448] ? addrconf_rs_timer+0x690/0x690 [ 378.329475] ndisc_alloc_skb+0x144/0x340 [ 378.331765] 157*16kB [ 378.337210] ndisc_send_rs+0x331/0x6e0 [ 378.339339] (UME) [ 378.343742] addrconf_rs_timer+0x314/0x690 [ 378.347776] 53*32kB [ 378.350210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.354073] (UMEH) [ 378.356229] call_timer_fn+0x272/0x920 [ 378.360429] 26*64kB [ 378.362745] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.366953] (UMH) [ 378.369198] ? process_timeout+0x40/0x40 [ 378.373062] 4*128kB [ 378.375378] ? find_held_lock+0x36/0x1c0 [ 378.379585] (UMH) 0*256kB [ 378.381744] ? __run_timers+0x7da/0xc70 [ 378.385777] 0*512kB [ 378.388092] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.392127] 1*1024kB [ 378.394970] ? _raw_spin_unlock_irq+0x27/0x80 [ 378.398922] (H) [ 378.401249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.405744] 0*2048kB [ 378.408149] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 378.412624] 0*4096kB [ 378.414596] ? trace_hardirqs_on+0xbd/0x310 [ 378.418808] = 14056kB [ 378.421217] ? kasan_check_read+0x11/0x20 [ 378.425777] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 378.428182] ? __run_timers+0x7da/0xc70 [ 378.432482] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 378.434883] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 378.439015] 147 total pagecache pages [ 378.447876] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.451830] 0 pages in swap cache [ 378.460409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 378.465835] Swap cache stats: add 0, delete 0, find 0/0 [ 378.469643] __run_timers+0x7e5/0xc70 [ 378.473886] Free swap = 0kB [ 378.477340] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 378.481546] Total swap = 0kB [ 378.486901] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 378.490678] 1965979 pages RAM [ 378.493691] ? graph_lock+0x170/0x170 [ 378.499026] 0 pages HighMem/MovableOnly [ 378.499034] 342307 pages reserved [ 378.502045] ? enqueue_hrtimer+0x1a5/0x560 [ 378.507038] 0 pages cma reserved [ 378.510170] ? lock_release+0x970/0x970 [ 378.514064] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 378.517972] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 378.521509] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 378.525632] ? find_held_lock+0x36/0x1c0 [ 378.528988] ksoftirqd/0 cpuset= [ 378.532958] ? graph_lock+0x170/0x170 [ 378.539425] / [ 378.544607] ? pvclock_read_flags+0x160/0x160 [ 378.554894] mems_allowed=0 [ 378.558948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.580619] ? check_preemption_disabled+0x48/0x280 [ 378.585677] ? __lock_is_held+0xb5/0x140 [ 378.589739] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.595280] ? check_preemption_disabled+0x48/0x280 [ 378.600310] run_timer_softirq+0x52/0xb0 [ 378.604375] ? rcu_read_lock_sched_held+0x108/0x120 [ 378.609410] __do_softirq+0x30c/0xb03 [ 378.613247] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 378.618359] ? pvclock_read_flags+0x160/0x160 [ 378.622857] ? lapic_next_event+0x5a/0x90 [ 378.627032] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.632572] ? check_preemption_disabled+0x48/0x280 [ 378.637586] ? check_preemption_disabled+0x48/0x280 [ 378.642608] ? kvm_clock_read+0x18/0x30 [ 378.646583] ? kvm_sched_clock_read+0x9/0x20 [ 378.650996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.656534] ? check_preemption_disabled+0x48/0x280 [ 378.661566] irq_exit+0x17f/0x1c0 [ 378.665027] smp_apic_timer_interrupt+0x1cb/0x760 [ 378.669874] ? smp_reschedule_interrupt+0x109/0x650 [ 378.674895] ? smp_call_function_single_interrupt+0x650/0x650 [ 378.680778] ? interrupt_entry+0xb5/0xf0 [ 378.684844] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.689858] ? trace_hardirqs_off_caller+0xbb/0x310 [ 378.694879] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.699724] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.704742] ? trace_hardirqs_on_caller+0x310/0x310 [ 378.709759] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.715297] ? check_preemption_disabled+0x48/0x280 [ 378.720331] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.725891] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 378.730787] apic_timer_interrupt+0xf/0x20 [ 378.735042] [ 378.737286] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 378.742234] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 378.761135] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 378.768852] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 378.776132] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 378.783524] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 378.790789] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 378.798057] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 378.805367] skb_clone+0x1bb/0x500 [ 378.808953] ? finish_task_switch+0x1b4/0x910 [ 378.813454] ? skb_split+0x11e0/0x11e0 [ 378.817343] ? preempt_notifier_register+0x200/0x200 [ 378.822443] ? __switch_to_asm+0x34/0x70 [ 378.826506] ? __switch_to_asm+0x34/0x70 [ 378.830564] ? __switch_to_asm+0x40/0x70 [ 378.834631] ? __switch_to_asm+0x34/0x70 [ 378.838692] ? __switch_to_asm+0x40/0x70 [ 378.842750] ? __switch_to_asm+0x34/0x70 [ 378.846808] ? __switch_to_asm+0x40/0x70 [ 378.850866] ? __switch_to_asm+0x34/0x70 [ 378.854927] ? __switch_to_asm+0x34/0x70 [ 378.858991] ? __switch_to_asm+0x40/0x70 [ 378.863049] ? __switch_to_asm+0x34/0x70 [ 378.867135] bpf_clone_redirect+0xb9/0x490 [ 378.871398] ? __schedule+0x874/0x1ed0 [ 378.875293] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 378.880338] ? __sched_text_start+0x8/0x8 [ 378.884748] ? lockdep_hardirqs_on+0x421/0x5c0 [ 378.889327] ? retint_kernel+0x2d/0x2d [ 378.893216] ? trace_hardirqs_on_caller+0xc0/0x310 [ 378.898149] ? find_held_lock+0x36/0x1c0 [ 378.902231] ? lock_acquire+0x1ed/0x520 [ 378.906207] ? bpf_test_run+0x32e/0x5a0 [ 378.910192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 378.916294] ? check_preemption_disabled+0x48/0x280 [ 378.921421] ? kasan_check_read+0x11/0x20 [ 378.925613] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 378.930891] ? rcu_bh_qs+0xc0/0xc0 [ 378.934435] ? preempt_schedule+0x4d/0x60 [ 378.938584] ? ___preempt_schedule+0x16/0x18 [ 378.942999] ? bpf_test_run+0x1c0/0x5a0 [ 378.946988] ? netlink_diag_dump+0x2a0/0x2a0 [ 378.951414] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 378.956952] ? bpf_test_init.isra.9+0x70/0x100 [ 378.961946] ? bpf_prog_test_run_skb+0x634/0xb40 [ 378.966710] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 378.971552] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 378.977116] ? fput+0x130/0x1a0 [ 378.980403] ? __bpf_prog_get+0x9b/0x290 [ 378.984499] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 378.989372] ? bpf_prog_test_run+0x130/0x1a0 [ 378.993817] ? __x64_sys_bpf+0x3d8/0x510 [ 378.997876] ? bpf_prog_get+0x20/0x20 [ 379.001695] ? do_syscall_64+0x1b9/0x820 [ 379.005757] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 379.011126] ? syscall_return_slowpath+0x5e0/0x5e0 [ 379.016080] ? trace_hardirqs_on_caller+0x310/0x310 [ 379.021097] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 379.026112] ? recalc_sigpending_tsk+0x180/0x180 [ 379.030889] ? kasan_check_write+0x14/0x20 [ 379.035171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 379.040023] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 379.045418] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 379.045491] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 379.052182] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.052187] Call Trace: [ 379.052208] dump_stack+0x1c4/0x2b6 [ 379.052232] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.058761] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 379.068063] warn_alloc.cold.119+0xb7/0x1bd [ 379.070615] syz-executor1 cpuset= [ 379.074240] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.079403] syz1 [ 379.089881] ? lock_downgrade+0x900/0x900 [ 379.094187] mems_allowed=0 [ 379.097632] ? trace_hardirqs_off+0xb8/0x310 [ 379.115880] ? trace_hardirqs_off+0xb8/0x310 [ 379.120300] __alloc_pages_slowpath+0x265e/0x2d70 [ 379.125184] ? warn_alloc+0x120/0x120 [ 379.128998] ? warn_alloc+0x120/0x120 [ 379.132849] ? print_usage_bug+0xc0/0xc0 [ 379.136911] ? warn_alloc+0x120/0x120 [ 379.140717] ? print_usage_bug+0xc0/0xc0 [ 379.144786] ? __lock_acquire+0x7ec/0x4ec0 [ 379.149025] ? __lock_acquire+0x7ec/0x4ec0 [ 379.153261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.158815] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.164354] ? should_fail+0x22d/0xd01 [ 379.168246] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.173352] ? __lock_acquire+0x7ec/0x4ec0 [ 379.177594] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.182697] ? __lock_acquire+0x7ec/0x4ec0 [ 379.186939] ? should_fail+0x22d/0xd01 [ 379.190876] ? mark_held_locks+0x130/0x130 [ 379.195119] ? mark_held_locks+0x130/0x130 [ 379.199362] ? mark_held_locks+0xc7/0x130 [ 379.203507] ? print_usage_bug+0xc0/0xc0 [ 379.207585] ? graph_lock+0x170/0x170 [ 379.211402] ? print_usage_bug+0xc0/0xc0 [ 379.215466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.221002] ? check_preemption_disabled+0x48/0x280 [ 379.226019] ? check_preemption_disabled+0x48/0x280 [ 379.231044] ? __lock_is_held+0xb5/0x140 [ 379.235111] __alloc_pages_nodemask+0xa80/0xde0 [ 379.239782] ? graph_lock+0x170/0x170 [ 379.243590] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 379.248603] ? graph_lock+0x170/0x170 [ 379.252413] ? find_held_lock+0x36/0x1c0 [ 379.256523] ? ____cache_alloc_node+0x1c7/0x1e0 [ 379.261197] ? lock_downgrade+0x900/0x900 [ 379.265357] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.270932] cache_grow_begin+0x91/0x8c0 [ 379.274997] ? do_raw_spin_unlock+0xa7/0x330 [ 379.279413] fallback_alloc+0x203/0x2e0 [ 379.283397] ____cache_alloc_node+0x1c7/0x1e0 [ 379.287904] kmem_cache_alloc_node+0xe3/0x730 [ 379.292404] ? ipv6_get_ifaddr+0x42e/0x620 [ 379.296655] __alloc_skb+0x119/0x770 [ 379.300371] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.305650] ? skb_scrub_packet+0x490/0x490 [ 379.309992] ? lock_downgrade+0x900/0x900 [ 379.314151] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.319696] ? refcount_sub_and_test_checked+0x203/0x310 [ 379.325152] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 379.330613] ? addrconf_rs_timer+0x690/0x690 [ 379.335029] ndisc_alloc_skb+0x144/0x340 [ 379.339094] ndisc_send_rs+0x331/0x6e0 [ 379.342992] addrconf_rs_timer+0x314/0x690 [ 379.347238] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.351505] call_timer_fn+0x272/0x920 [ 379.355389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.359663] ? process_timeout+0x40/0x40 [ 379.363722] ? find_held_lock+0x36/0x1c0 [ 379.367815] ? __run_timers+0x7da/0xc70 [ 379.371808] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.376320] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.380836] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.385079] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 379.389664] ? trace_hardirqs_on+0xbd/0x310 [ 379.393986] ? kasan_check_read+0x11/0x20 [ 379.398137] ? __run_timers+0x7da/0xc70 [ 379.402120] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.407606] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.411867] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 379.416142] __run_timers+0x7e5/0xc70 [ 379.419966] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 379.425337] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.429846] ? _raw_spin_unlock_irq+0x27/0x80 [ 379.434381] ? lockdep_hardirqs_on+0x421/0x5c0 [ 379.438964] ? trace_hardirqs_on+0xbd/0x310 [ 379.443292] ? kasan_check_read+0x11/0x20 [ 379.447443] ? finish_task_switch+0x1f4/0x910 [ 379.451939] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 379.457393] ? compat_start_thread+0x80/0x80 [ 379.461805] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.467359] ? pvclock_read_flags+0x160/0x160 [ 379.471854] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.477413] ? check_preemption_disabled+0x48/0x280 [ 379.482465] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 379.488003] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 379.493285] ? rcu_pm_notify+0xc0/0xc0 [ 379.497180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.502719] ? check_preemption_disabled+0x48/0x280 [ 379.507747] run_timer_softirq+0x52/0xb0 [ 379.511825] ? rcu_read_lock_sched_held+0x108/0x120 [ 379.516842] __do_softirq+0x30c/0xb03 [ 379.520662] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 379.525766] ? trace_hardirqs_off+0xb8/0x310 [ 379.530192] ? schedule+0x108/0x460 [ 379.533847] ? trace_hardirqs_off+0xb8/0x310 [ 379.538255] ? smpboot_thread_fn+0x68b/0xa00 [ 379.542664] ? trace_hardirqs_on+0x310/0x310 [ 379.547077] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.552618] ? check_preemption_disabled+0x48/0x280 [ 379.557642] ? takeover_tasklets+0xa90/0xa90 [ 379.562055] run_ksoftirqd+0x94/0x100 [ 379.565857] smpboot_thread_fn+0x68b/0xa00 [ 379.570107] ? sort_range+0x30/0x30 [ 379.573736] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 379.578842] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.584381] ? __kthread_parkme+0xfb/0x1a0 [ 379.588653] kthread+0x35a/0x420 [ 379.592029] ? sort_range+0x30/0x30 [ 379.595681] ? kthread_bind+0x40/0x40 [ 379.599485] ret_from_fork+0x3a/0x50 [ 379.603217] warn_alloc_show_mem: 1 callbacks suppressed [ 379.603229] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 379.603230] Mem-Info: [ 379.603262] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 379.603262] active_file:15 inactive_file:13 isolated_file:0 [ 379.603262] unevictable:0 dirty:0 writeback:0 unstable:0 [ 379.603262] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 379.603262] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 379.603262] free:13788 free_pcp:609 free_cma:0 [ 379.608621] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 379.615909] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 379.618304] Call Trace: [ 379.651172] Node 0 [ 379.660518] [ 379.688025] 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 [ 379.690582] dump_stack+0x1c4/0x2b6 [ 379.692789] lowmem_reserve[]: [ 379.694942] ? dump_stack_print_info.cold.1+0x20/0x20 [ 379.720414] 0 [ 379.724043] warn_alloc.cold.119+0xb7/0x1bd [ 379.727110] 2819 6323 [ 379.732316] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 379.734090] 6323 [ 379.738412] ? lock_downgrade+0x900/0x900 [ 379.740889] Node 0 [ 379.745727] ? trace_hardirqs_off+0xb8/0x310 [ 379.747796] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 379.751916] ? trace_hardirqs_off+0xb8/0x310 [ 379.754117] lowmem_reserve[]: 0 [ 379.758528] __alloc_pages_slowpath+0x265e/0x2d70 [ 379.785387] 0 3503 [ 379.789822] ? warn_alloc+0x120/0x120 [ 379.793050] 3503 [ 379.797925] ? lock_release+0x970/0x970 [ 379.800172] Node 0 [ 379.803978] ? warn_alloc+0x120/0x120 [ 379.806043] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 379.810004] ? print_usage_bug+0xc0/0xc0 [ 379.812218] lowmem_reserve[]: [ 379.816016] ? warn_alloc+0x120/0x120 [ 379.845312] 0 0 [ 379.849377] ? print_usage_bug+0xc0/0xc0 [ 379.852482] 0 [ 379.856292] ? __lock_acquire+0x7ec/0x4ec0 [ 379.858238] 0 [ 379.862300] ? __lock_acquire+0x7ec/0x4ec0 [ 379.864079] Node 0 [ 379.868307] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.870083] DMA: [ 379.874313] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 379.876525] 1*4kB [ 379.882054] ? should_fail+0x22d/0xd01 [ 379.884105] (U) [ 379.889650] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.891792] 0*8kB [ 379.895670] ? __lock_acquire+0x7ec/0x4ec0 [ 379.897622] 0*16kB [ 379.902734] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 379.904875] 1*32kB [ 379.909119] ? __lock_acquire+0x7ec/0x4ec0 [ 379.911332] (U) [ 379.916955] ? should_fail+0x22d/0xd01 [ 379.919177] 2*64kB [ 379.923408] ? mark_held_locks+0x130/0x130 [ 379.925353] (U) [ 379.929240] ? mark_held_locks+0x130/0x130 [ 379.931461] 1*128kB [ 379.935687] ? graph_lock+0x170/0x170 [ 379.937632] (U) 1*256kB [ 379.941875] ? print_usage_bug+0xc0/0xc0 [ 379.944182] (U) [ 379.947974] ? graph_lock+0x170/0x170 [ 379.950622] 0*512kB [ 379.954687] ? print_usage_bug+0xc0/0xc0 [ 379.956654] 1*1024kB [ 379.960451] ? wq_watchdog_touch+0x9c/0xfe [ 379.962749] (U) [ 379.966847] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 379.969232] 1*2048kB (M) [ 379.973475] ? check_preemption_disabled+0x48/0x280 [ 379.975424] 3*4096kB [ 379.980959] ? check_preemption_disabled+0x48/0x280 [ 379.983723] (M) [ 379.988776] ? __lock_is_held+0xb5/0x140 [ 379.991203] = 15908kB [ 379.996240] __alloc_pages_nodemask+0xa80/0xde0 [ 379.998223] Node 0 [ 380.002274] ? graph_lock+0x170/0x170 [ 380.004662] DMA32: [ 380.009323] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 380.011539] 5*4kB [ 380.015330] ? graph_lock+0x170/0x170 [ 380.017547] (UM) [ 380.022562] ? find_held_lock+0x36/0x1c0 [ 380.024689] 0*8kB [ 380.028485] ? ____cache_alloc_node+0x1c7/0x1e0 [ 380.030517] 3*16kB [ 380.034572] ? lock_downgrade+0x900/0x900 [ 380.036700] (UM) [ 380.041365] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.043568] 2*32kB (M) [ 380.047720] cache_grow_begin+0x91/0x8c0 [ 380.049755] 5*64kB [ 380.055288] ? do_raw_spin_unlock+0xa7/0x330 [ 380.057859] (UM) [ 380.061915] fallback_alloc+0x203/0x2e0 [ 380.064127] 4*128kB [ 380.068532] ____cache_alloc_node+0x1c7/0x1e0 [ 380.070568] (UM) [ 380.074536] kmem_cache_alloc_node+0xe3/0x730 [ 380.076827] 3*256kB (M) [ 380.081325] ? ipv6_get_ifaddr+0x42e/0x620 [ 380.083366] 4*512kB [ 380.087871] __alloc_skb+0x119/0x770 [ 380.090520] (UM) [ 380.094752] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.097050] 3*1024kB [ 380.100753] ? skb_scrub_packet+0x490/0x490 [ 380.102793] (UM) [ 380.108061] ? lock_downgrade+0x900/0x900 [ 380.110450] 3*2048kB [ 380.114769] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.116805] (M) [ 380.120969] ? refcount_sub_and_test_checked+0x203/0x310 [ 380.123349] 3*4096kB (M) [ 380.128884] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 380.130834] = 25284kB [ 380.136276] ? addrconf_rs_timer+0x690/0x690 [ 380.139024] Node 0 [ 380.144473] ndisc_alloc_skb+0x144/0x340 [ 380.146854] Normal: [ 380.151260] ndisc_send_rs+0x331/0x6e0 [ 380.153474] 888*4kB [ 380.157532] addrconf_rs_timer+0x314/0x690 [ 380.159822] (UMEH) 387*8kB [ 380.163761] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.166066] (UME) 157*16kB [ 380.170313] call_timer_fn+0x272/0x920 [ 380.173212] (UME) [ 380.177447] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.177477] ? process_timeout+0x40/0x40 [ 380.180390] 53*32kB [ 380.184277] ? find_held_lock+0x36/0x1c0 [ 380.186405] (UMEH) [ 380.190641] ? __run_timers+0x7da/0xc70 [ 380.194666] 26*64kB (UMH) [ 380.196994] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.201048] 4*128kB [ 380.203290] ? _raw_spin_unlock_irq+0x27/0x80 [ 380.207249] (UMH) [ 380.210088] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.214551] 0*256kB 0*512kB [ 380.216881] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 380.221347] 1*1024kB (H) [ 380.223497] ? trace_hardirqs_on+0xbd/0x310 [ 380.227712] 0*2048kB [ 380.230729] ? kasan_check_read+0x11/0x20 [ 380.235300] 0*4096kB [ 380.238079] ? __run_timers+0x7da/0xc70 [ 380.242388] = 14056kB [ 380.244805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 380.248937] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 380.251340] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.255294] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 380.257692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 380.263132] 147 total pagecache pages [ 380.271961] __run_timers+0x7e5/0xc70 [ 380.276186] 0 pages in swap cache [ 380.284755] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 380.288957] Swap cache stats: add 0, delete 0, find 0/0 [ 380.292747] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 380.296523] Free swap = 0kB [ 380.299967] ? graph_lock+0x170/0x170 [ 380.305300] Total swap = 0kB [ 380.305307] 1965979 pages RAM [ 380.310663] ? enqueue_hrtimer+0x1a5/0x560 [ 380.315649] 0 pages HighMem/MovableOnly [ 380.315657] 342307 pages reserved [ 380.318667] ? lock_release+0x970/0x970 [ 380.322446] 0 pages cma reserved [ 380.325456] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 380.328609] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.332766] ? find_held_lock+0x36/0x1c0 [ 380.332784] ? graph_lock+0x170/0x170 [ 380.332801] ? pvclock_read_flags+0x160/0x160 [ 380.336837] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.340245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.344236] ksoftirqd/0 cpuset= [ 380.347600] ? check_preemption_disabled+0x48/0x280 [ 380.352762] / [ 380.359255] ? __lock_is_held+0xb5/0x140 [ 380.363287] mems_allowed=0 [ 380.367079] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.409838] ? check_preemption_disabled+0x48/0x280 [ 380.414910] run_timer_softirq+0x52/0xb0 [ 380.419013] ? rcu_read_lock_sched_held+0x108/0x120 [ 380.424063] __do_softirq+0x30c/0xb03 [ 380.427879] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 380.432987] ? pvclock_read_flags+0x160/0x160 [ 380.437482] ? lapic_next_event+0x5a/0x90 [ 380.441632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.447178] ? check_preemption_disabled+0x48/0x280 [ 380.452227] ? check_preemption_disabled+0x48/0x280 [ 380.457279] ? kvm_clock_read+0x18/0x30 [ 380.461258] ? kvm_sched_clock_read+0x9/0x20 [ 380.465669] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.471245] ? check_preemption_disabled+0x48/0x280 [ 380.476291] irq_exit+0x17f/0x1c0 [ 380.479779] smp_apic_timer_interrupt+0x1cb/0x760 [ 380.484618] ? smp_reschedule_interrupt+0x109/0x650 [ 380.489639] ? smp_call_function_single_interrupt+0x650/0x650 [ 380.495563] ? interrupt_entry+0xb5/0xf0 [ 380.499641] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.504656] ? trace_hardirqs_off_caller+0xbb/0x310 [ 380.509677] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.514564] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.519577] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.524596] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.530137] ? check_preemption_disabled+0x48/0x280 [ 380.535171] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.540719] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.545574] apic_timer_interrupt+0xf/0x20 [ 380.549800] [ 380.552039] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 380.556986] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 380.575894] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 380.583607] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 380.590877] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 380.598143] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 380.605421] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 380.612692] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 380.620004] skb_clone+0x1bb/0x500 [ 380.623544] ? finish_task_switch+0x1b4/0x910 [ 380.628039] ? skb_split+0x11e0/0x11e0 [ 380.631970] ? preempt_notifier_register+0x200/0x200 [ 380.637071] ? __switch_to_asm+0x34/0x70 [ 380.641130] ? __switch_to_asm+0x34/0x70 [ 380.645200] ? __switch_to_asm+0x40/0x70 [ 380.649262] ? __switch_to_asm+0x34/0x70 [ 380.653323] ? __switch_to_asm+0x40/0x70 [ 380.657385] ? __switch_to_asm+0x34/0x70 [ 380.661492] ? __switch_to_asm+0x40/0x70 [ 380.665552] ? __switch_to_asm+0x34/0x70 [ 380.669615] ? __switch_to_asm+0x34/0x70 [ 380.673673] ? __switch_to_asm+0x40/0x70 [ 380.677733] ? __switch_to_asm+0x34/0x70 [ 380.681801] bpf_clone_redirect+0xb9/0x490 [ 380.686038] ? __schedule+0x874/0x1ed0 [ 380.689941] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 380.694970] ? __sched_text_start+0x8/0x8 [ 380.699122] ? lockdep_hardirqs_on+0x421/0x5c0 [ 380.703722] ? retint_kernel+0x2d/0x2d [ 380.707616] ? trace_hardirqs_on_caller+0xc0/0x310 [ 380.712549] ? find_held_lock+0x36/0x1c0 [ 380.716618] ? lock_acquire+0x1ed/0x520 [ 380.720595] ? bpf_test_run+0x32e/0x5a0 [ 380.724574] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.730116] ? check_preemption_disabled+0x48/0x280 [ 380.735150] ? kasan_check_read+0x11/0x20 [ 380.739315] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 380.744595] ? rcu_bh_qs+0xc0/0xc0 [ 380.748150] ? preempt_schedule+0x4d/0x60 [ 380.752327] ? ___preempt_schedule+0x16/0x18 [ 380.756742] ? bpf_test_run+0x1c0/0x5a0 [ 380.760733] ? netlink_diag_dump+0x2a0/0x2a0 [ 380.765149] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.770694] ? bpf_test_init.isra.9+0x70/0x100 [ 380.775282] ? bpf_prog_test_run_skb+0x634/0xb40 [ 380.780061] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.785073] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 380.790622] ? fput+0x130/0x1a0 [ 380.793903] ? __bpf_prog_get+0x9b/0x290 [ 380.797997] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 380.802851] ? bpf_prog_test_run+0x130/0x1a0 [ 380.807263] ? __x64_sys_bpf+0x3d8/0x510 [ 380.811324] ? bpf_prog_get+0x20/0x20 [ 380.815147] ? do_syscall_64+0x1b9/0x820 [ 380.819216] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 380.824585] ? syscall_return_slowpath+0x5e0/0x5e0 [ 380.829518] ? trace_hardirqs_on_caller+0x310/0x310 [ 380.834535] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 380.839553] ? recalc_sigpending_tsk+0x180/0x180 [ 380.844320] ? kasan_check_write+0x14/0x20 [ 380.848560] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 380.853410] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 380.858809] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 380.858908] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 380.865591] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 380.865596] Call Trace: [ 380.865618] dump_stack+0x1c4/0x2b6 [ 380.865640] ? dump_stack_print_info.cold.1+0x20/0x20 [ 380.872225] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 380.881474] warn_alloc.cold.119+0xb7/0x1bd [ 380.884026] syz-executor1 cpuset= [ 380.887648] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 380.892810] syz1 [ 380.903288] ? lock_downgrade+0x900/0x900 [ 380.907586] mems_allowed=0 [ 380.911032] ? trace_hardirqs_off+0xb8/0x310 [ 380.929771] ? trace_hardirqs_off+0xb8/0x310 [ 380.934252] __alloc_pages_slowpath+0x265e/0x2d70 [ 380.939155] ? warn_alloc+0x120/0x120 [ 380.942987] ? warn_alloc+0x120/0x120 [ 380.946788] ? print_usage_bug+0xc0/0xc0 [ 380.950889] ? warn_alloc+0x120/0x120 [ 380.954688] ? print_usage_bug+0xc0/0xc0 [ 380.958755] ? __lock_acquire+0x7ec/0x4ec0 [ 380.962989] ? __lock_acquire+0x7ec/0x4ec0 [ 380.967240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 380.972790] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 380.978325] ? should_fail+0x22d/0xd01 [ 380.982236] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.987336] ? __lock_acquire+0x7ec/0x4ec0 [ 380.991589] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 380.996687] ? __lock_acquire+0x7ec/0x4ec0 [ 381.000923] ? should_fail+0x22d/0xd01 [ 381.004836] ? mark_held_locks+0x130/0x130 [ 381.009106] ? mark_held_locks+0x130/0x130 [ 381.013343] ? graph_lock+0x170/0x170 [ 381.017169] ? print_usage_bug+0xc0/0xc0 [ 381.021246] ? graph_lock+0x170/0x170 [ 381.025065] ? print_usage_bug+0xc0/0xc0 [ 381.029146] ? wq_watchdog_touch+0x9c/0xfe [ 381.033391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.038931] ? check_preemption_disabled+0x48/0x280 [ 381.043966] ? check_preemption_disabled+0x48/0x280 [ 381.048996] ? __lock_is_held+0xb5/0x140 [ 381.053065] __alloc_pages_nodemask+0xa80/0xde0 [ 381.057734] ? graph_lock+0x170/0x170 [ 381.061541] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 381.066578] ? graph_lock+0x170/0x170 [ 381.070389] ? find_held_lock+0x36/0x1c0 [ 381.074467] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.079143] ? lock_downgrade+0x900/0x900 [ 381.083310] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.088856] cache_grow_begin+0x91/0x8c0 [ 381.092921] ? do_raw_spin_unlock+0xa7/0x330 [ 381.097342] fallback_alloc+0x203/0x2e0 [ 381.101330] ____cache_alloc_node+0x1c7/0x1e0 [ 381.105837] kmem_cache_alloc_node+0xe3/0x730 [ 381.110339] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.114590] __alloc_skb+0x119/0x770 [ 381.118304] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.123588] ? skb_scrub_packet+0x490/0x490 [ 381.127910] ? lock_downgrade+0x900/0x900 [ 381.132074] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.137636] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.143121] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.148574] ? addrconf_rs_timer+0x690/0x690 [ 381.153013] ndisc_alloc_skb+0x144/0x340 [ 381.157082] ndisc_send_rs+0x331/0x6e0 [ 381.160979] addrconf_rs_timer+0x314/0x690 [ 381.165231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.169482] call_timer_fn+0x272/0x920 [ 381.173391] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.177631] ? process_timeout+0x40/0x40 [ 381.181689] ? find_held_lock+0x36/0x1c0 [ 381.185759] ? __run_timers+0x7da/0xc70 [ 381.189801] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.194308] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.198801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.203063] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 381.207674] ? trace_hardirqs_on+0xbd/0x310 [ 381.211994] ? kasan_check_read+0x11/0x20 [ 381.216139] ? __run_timers+0x7da/0xc70 [ 381.220123] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.225591] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.229846] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.234093] __run_timers+0x7e5/0xc70 [ 381.237904] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 381.243270] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.247765] ? _raw_spin_unlock_irq+0x27/0x80 [ 381.252260] ? lockdep_hardirqs_on+0x421/0x5c0 [ 381.256840] ? trace_hardirqs_on+0xbd/0x310 [ 381.261183] ? kasan_check_read+0x11/0x20 [ 381.265339] ? finish_task_switch+0x1f4/0x910 [ 381.269851] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 381.275319] ? compat_start_thread+0x80/0x80 [ 381.279727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.285279] ? pvclock_read_flags+0x160/0x160 [ 381.289777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.295318] ? check_preemption_disabled+0x48/0x280 [ 381.300358] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 381.305909] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.311187] ? rcu_pm_notify+0xc0/0xc0 [ 381.315071] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.320607] ? check_preemption_disabled+0x48/0x280 [ 381.325634] run_timer_softirq+0x52/0xb0 [ 381.329706] ? rcu_read_lock_sched_held+0x108/0x120 [ 381.334722] __do_softirq+0x30c/0xb03 [ 381.338539] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 381.343639] ? trace_hardirqs_off+0xb8/0x310 [ 381.348060] ? schedule+0x108/0x460 [ 381.351711] ? trace_hardirqs_off+0xb8/0x310 [ 381.356121] ? smpboot_thread_fn+0x68b/0xa00 [ 381.360531] ? trace_hardirqs_on+0x310/0x310 [ 381.364943] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.370501] ? check_preemption_disabled+0x48/0x280 [ 381.375522] ? takeover_tasklets+0xa90/0xa90 [ 381.379932] run_ksoftirqd+0x94/0x100 [ 381.383736] smpboot_thread_fn+0x68b/0xa00 [ 381.387987] ? sort_range+0x30/0x30 [ 381.391645] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 381.396781] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.402324] ? __kthread_parkme+0xfb/0x1a0 [ 381.406566] kthread+0x35a/0x420 [ 381.409927] ? sort_range+0x30/0x30 [ 381.413549] ? kthread_bind+0x40/0x40 [ 381.417353] ret_from_fork+0x3a/0x50 [ 381.421080] warn_alloc_show_mem: 1 callbacks suppressed [ 381.421091] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 381.421093] Mem-Info: [ 381.421123] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 381.421123] active_file:15 inactive_file:13 isolated_file:0 [ 381.421123] unevictable:0 dirty:0 writeback:0 unstable:0 [ 381.421123] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 381.421123] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 381.421123] free:13788 free_pcp:609 free_cma:0 [ 381.426464] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 381.433738] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 381.436139] Call Trace: [ 381.469008] Node 0 [ 381.478350] [ 381.505852] 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 [ 381.508427] dump_stack+0x1c4/0x2b6 [ 381.510633] lowmem_reserve[]: 0 [ 381.512818] ? dump_stack_print_info.cold.1+0x20/0x20 [ 381.538304] 2819 6323 [ 381.541959] warn_alloc.cold.119+0xb7/0x1bd [ 381.545221] 6323 [ 381.550414] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 381.552913] Node 0 [ 381.557252] ? lock_downgrade+0x900/0x900 [ 381.559321] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 381.564136] ? trace_hardirqs_off+0xb8/0x310 [ 381.566345] lowmem_reserve[]: [ 381.570492] ? trace_hardirqs_off+0xb8/0x310 [ 381.597359] 0 [ 381.601775] __alloc_pages_slowpath+0x265e/0x2d70 [ 381.604854] 0 [ 381.609297] ? warn_alloc+0x120/0x120 [ 381.611053] 3503 [ 381.615892] ? trace_hardirqs_on+0x310/0x310 [ 381.617666] 3503 [ 381.621479] ? warn_alloc+0x120/0x120 [ 381.623550] Node 0 [ 381.627953] ? print_usage_bug+0xc0/0xc0 [ 381.630018] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 381.633794] ? warn_alloc+0x120/0x120 [ 381.636013] lowmem_reserve[]: 0 [ 381.640086] ? ktime_get+0x2e1/0x440 [ 381.668419] 0 0 [ 381.672237] ? print_usage_bug+0xc0/0xc0 [ 381.675487] 0 [ 381.679222] ? __lock_acquire+0x7ec/0x4ec0 [ 381.681181] Node 0 [ 381.685772] ? __lock_acquire+0x7ec/0x4ec0 [ 381.687572] DMA: [ 381.691800] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 381.694012] 1*4kB [ 381.698234] ? should_fail+0x22d/0xd01 [ 381.700271] (U) [ 381.705845] ? __lock_acquire+0x7ec/0x4ec0 [ 381.707972] 0*8kB [ 381.711848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.713797] 0*16kB [ 381.718024] ? __lock_acquire+0x7ec/0x4ec0 [ 381.720153] 1*32kB [ 381.725254] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 381.727486] (U) [ 381.731711] ? __lock_acquire+0x7ec/0x4ec0 [ 381.733929] 2*64kB [ 381.739027] ? should_fail+0x22d/0xd01 [ 381.741002] (U) [ 381.745250] ? mark_held_locks+0x130/0x130 [ 381.747460] 1*128kB [ 381.751337] ? mark_held_locks+0x130/0x130 [ 381.753286] (U) [ 381.757534] ? graph_lock+0x170/0x170 [ 381.759825] 1*256kB (U) [ 381.764057] ? print_usage_bug+0xc0/0xc0 [ 381.766011] 0*512kB [ 381.769807] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.772483] 1*1024kB [ 381.776536] ? check_preemption_disabled+0x48/0x280 [ 381.778833] (U) [ 381.784367] ? check_preemption_disabled+0x48/0x280 [ 381.786752] 1*2048kB [ 381.791764] ? __lock_is_held+0xb5/0x140 [ 381.793712] (M) [ 381.798721] __alloc_pages_nodemask+0xa80/0xde0 [ 381.801104] 3*4096kB (M) [ 381.805170] ? graph_lock+0x170/0x170 [ 381.807152] = 15908kB [ 381.811817] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 381.814550] Node 0 [ 381.818338] ? graph_lock+0x170/0x170 [ 381.820722] DMA32: [ 381.825750] ? find_held_lock+0x36/0x1c0 [ 381.827959] 5*4kB [ 381.831759] ? ____cache_alloc_node+0x1c7/0x1e0 [ 381.833966] (UM) [ 381.838020] ? lock_downgrade+0x900/0x900 [ 381.840151] 0*8kB [ 381.844826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.846871] 3*16kB [ 381.851008] cache_grow_begin+0x91/0x8c0 [ 381.853131] (UM) [ 381.858661] ? do_raw_spin_unlock+0xa7/0x330 [ 381.860871] 2*32kB (M) [ 381.864970] fallback_alloc+0x203/0x2e0 [ 381.867005] 5*64kB [ 381.871412] ____cache_alloc_node+0x1c7/0x1e0 [ 381.873967] (UM) [ 381.877945] kmem_cache_alloc_node+0xe3/0x730 [ 381.880150] 4*128kB [ 381.884906] ? ipv6_get_ifaddr+0x42e/0x620 [ 381.886957] (UM) [ 381.891486] __alloc_skb+0x119/0x770 [ 381.893782] 3*256kB (M) [ 381.898024] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 381.900053] 4*512kB (UM) [ 381.903770] ? skb_scrub_packet+0x490/0x490 [ 381.906423] 3*1024kB [ 381.911690] ? lock_downgrade+0x900/0x900 [ 381.914422] (UM) [ 381.918744] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 381.921128] 3*2048kB [ 381.925269] ? refcount_sub_and_test_checked+0x203/0x310 [ 381.927307] (M) [ 381.932835] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 381.935224] 3*4096kB [ 381.940664] ? addrconf_rs_timer+0x690/0x690 [ 381.942618] (M) [ 381.948067] ndisc_alloc_skb+0x144/0x340 [ 381.950452] = 25284kB [ 381.954849] ndisc_send_rs+0x331/0x6e0 [ 381.956810] Node 0 [ 381.960879] addrconf_rs_timer+0x314/0x690 [ 381.963263] Normal: [ 381.967153] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.969372] 888*4kB [ 381.973606] call_timer_fn+0x272/0x920 [ 381.975894] (UMEH) [ 381.980121] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 381.982473] 387*8kB [ 381.986398] ? process_timeout+0x40/0x40 [ 381.988611] (UME) [ 381.992853] ? find_held_lock+0x36/0x1c0 [ 381.995156] 157*16kB [ 381.999222] ? __run_timers+0x7da/0xc70 [ 382.001345] (UME) [ 382.005410] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.007797] 53*32kB [ 382.011760] ? _raw_spin_unlock_irq+0x27/0x80 [ 382.013892] (UMEH) [ 382.018379] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.020676] 26*64kB (UMH) [ 382.025184] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 382.027452] 4*128kB [ 382.031676] ? trace_hardirqs_on+0xbd/0x310 [ 382.034496] (UMH) [ 382.039077] ? kasan_check_read+0x11/0x20 [ 382.041374] 0*256kB 0*512kB [ 382.045710] ? __run_timers+0x7da/0xc70 [ 382.047872] 1*1024kB [ 382.052012] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 382.055031] (H) [ 382.059002] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.061396] 0*2048kB [ 382.066837] __run_timers+0x7e5/0xc70 [ 382.068790] 0*4096kB [ 382.073029] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 382.075406] = 14056kB [ 382.079231] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 382.081623] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 382.086973] ? graph_lock+0x170/0x170 [ 382.089369] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 382.094387] ? enqueue_hrtimer+0x1a5/0x560 [ 382.103213] 147 total pagecache pages [ 382.107017] ? lock_release+0x970/0x970 [ 382.115602] 0 pages in swap cache [ 382.119822] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 382.123632] Swap cache stats: add 0, delete 0, find 0/0 [ 382.127599] ? find_held_lock+0x36/0x1c0 [ 382.131022] Free swap = 0kB [ 382.131030] Total swap = 0kB [ 382.136211] ? graph_lock+0x170/0x170 [ 382.141563] 1965979 pages RAM [ 382.145614] ? pvclock_read_flags+0x160/0x160 [ 382.148625] 0 pages HighMem/MovableOnly [ 382.148634] 342307 pages reserved [ 382.151646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.155420] 0 pages cma reserved [ 382.158527] ? check_preemption_disabled+0x48/0x280 [ 382.163070] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.166981] ? __lock_is_held+0xb5/0x140 [ 382.170476] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.175946] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.179286] ksoftirqd/0 cpuset= [ 382.184302] ? check_preemption_disabled+0x48/0x280 [ 382.190764] / [ 382.194827] run_timer_softirq+0x52/0xb0 [ 382.205110] mems_allowed=0 [ 382.210639] ? rcu_read_lock_sched_held+0x108/0x120 [ 382.232603] __do_softirq+0x30c/0xb03 [ 382.236420] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 382.241530] ? pvclock_read_flags+0x160/0x160 [ 382.246026] ? lapic_next_event+0x5a/0x90 [ 382.250180] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.255723] ? check_preemption_disabled+0x48/0x280 [ 382.260741] ? check_preemption_disabled+0x48/0x280 [ 382.265763] ? kvm_clock_read+0x18/0x30 [ 382.269740] ? kvm_sched_clock_read+0x9/0x20 [ 382.274152] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.279699] ? check_preemption_disabled+0x48/0x280 [ 382.284730] irq_exit+0x17f/0x1c0 [ 382.288196] smp_apic_timer_interrupt+0x1cb/0x760 [ 382.293040] ? smp_reschedule_interrupt+0x109/0x650 [ 382.298058] ? smp_call_function_single_interrupt+0x650/0x650 [ 382.303945] ? interrupt_entry+0xb5/0xf0 [ 382.308008] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.313037] ? trace_hardirqs_off_caller+0xbb/0x310 [ 382.318058] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.322902] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.327919] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.332942] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.338483] ? check_preemption_disabled+0x48/0x280 [ 382.343500] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.349049] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.353911] apic_timer_interrupt+0xf/0x20 [ 382.358149] [ 382.360397] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 382.365332] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 382.384227] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 382.391967] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 382.399232] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 382.406504] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 382.413868] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 382.421151] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 382.428485] skb_clone+0x1bb/0x500 [ 382.432027] ? finish_task_switch+0x1b4/0x910 [ 382.436526] ? skb_split+0x11e0/0x11e0 [ 382.440415] ? preempt_notifier_register+0x200/0x200 [ 382.445515] ? __switch_to_asm+0x34/0x70 [ 382.449587] ? __switch_to_asm+0x34/0x70 [ 382.453659] ? __switch_to_asm+0x40/0x70 [ 382.457732] ? __switch_to_asm+0x34/0x70 [ 382.461788] ? __switch_to_asm+0x40/0x70 [ 382.465849] ? __switch_to_asm+0x34/0x70 [ 382.469907] ? __switch_to_asm+0x40/0x70 [ 382.473968] ? __switch_to_asm+0x34/0x70 [ 382.478030] ? __switch_to_asm+0x34/0x70 [ 382.482087] ? __switch_to_asm+0x40/0x70 [ 382.486145] ? __switch_to_asm+0x34/0x70 [ 382.490223] bpf_clone_redirect+0xb9/0x490 [ 382.494472] ? __schedule+0x874/0x1ed0 [ 382.498374] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 382.503394] ? __sched_text_start+0x8/0x8 [ 382.507548] ? lockdep_hardirqs_on+0x421/0x5c0 [ 382.512139] ? retint_kernel+0x2d/0x2d [ 382.516044] ? trace_hardirqs_on_caller+0xc0/0x310 [ 382.520976] ? find_held_lock+0x36/0x1c0 [ 382.525056] ? lock_acquire+0x1ed/0x520 [ 382.529029] ? bpf_test_run+0x32e/0x5a0 [ 382.533008] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.538557] ? check_preemption_disabled+0x48/0x280 [ 382.543578] ? kasan_check_read+0x11/0x20 [ 382.547732] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.553013] ? rcu_bh_qs+0xc0/0xc0 [ 382.556554] ? preempt_schedule+0x4d/0x60 [ 382.560701] ? ___preempt_schedule+0x16/0x18 [ 382.565123] ? bpf_test_run+0x1c0/0x5a0 [ 382.569124] ? netlink_diag_dump+0x2a0/0x2a0 [ 382.573545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.579079] ? bpf_test_init.isra.9+0x70/0x100 [ 382.583672] ? bpf_prog_test_run_skb+0x634/0xb40 [ 382.588462] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 382.593301] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 382.598836] ? fput+0x130/0x1a0 [ 382.602120] ? __bpf_prog_get+0x9b/0x290 [ 382.606192] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 382.611038] ? bpf_prog_test_run+0x130/0x1a0 [ 382.615452] ? __x64_sys_bpf+0x3d8/0x510 [ 382.619513] ? bpf_prog_get+0x20/0x20 [ 382.623364] ? do_syscall_64+0x1b9/0x820 [ 382.627442] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 382.632824] ? syscall_return_slowpath+0x5e0/0x5e0 [ 382.637756] ? trace_hardirqs_on_caller+0x310/0x310 [ 382.642796] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 382.647811] ? recalc_sigpending_tsk+0x180/0x180 [ 382.652570] ? kasan_check_write+0x14/0x20 [ 382.656813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 382.661665] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 382.667046] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 382.667118] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 382.673796] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 382.673801] Call Trace: [ 382.673821] dump_stack+0x1c4/0x2b6 [ 382.673843] ? dump_stack_print_info.cold.1+0x20/0x20 [ 382.680370] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 382.689670] warn_alloc.cold.119+0xb7/0x1bd [ 382.692224] syz-executor1 cpuset= [ 382.695875] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 382.701040] syz1 [ 382.711520] ? lock_downgrade+0x900/0x900 [ 382.715819] mems_allowed=0 [ 382.719287] ? trace_hardirqs_off+0xb8/0x310 [ 382.737571] ? trace_hardirqs_off+0xb8/0x310 [ 382.741992] __alloc_pages_slowpath+0x265e/0x2d70 [ 382.746867] ? warn_alloc+0x120/0x120 [ 382.750676] ? warn_alloc+0x120/0x120 [ 382.754508] ? print_usage_bug+0xc0/0xc0 [ 382.758584] ? warn_alloc+0x120/0x120 [ 382.762386] ? print_usage_bug+0xc0/0xc0 [ 382.766455] ? __lock_acquire+0x7ec/0x4ec0 [ 382.770698] ? __lock_acquire+0x7ec/0x4ec0 [ 382.774939] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.780474] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 382.786217] ? should_fail+0x22d/0xd01 [ 382.790113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.795215] ? __lock_acquire+0x7ec/0x4ec0 [ 382.799458] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 382.804561] ? __lock_acquire+0x7ec/0x4ec0 [ 382.808796] ? should_fail+0x22d/0xd01 [ 382.812692] ? mark_held_locks+0x130/0x130 [ 382.816930] ? mark_held_locks+0x130/0x130 [ 382.821174] ? graph_lock+0x170/0x170 [ 382.824989] ? print_usage_bug+0xc0/0xc0 [ 382.829052] ? graph_lock+0x170/0x170 [ 382.832851] ? print_usage_bug+0xc0/0xc0 [ 382.836911] ? wq_watchdog_touch+0x9c/0xfe [ 382.841146] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.846694] ? check_preemption_disabled+0x48/0x280 [ 382.851709] ? check_preemption_disabled+0x48/0x280 [ 382.856737] ? __lock_is_held+0xb5/0x140 [ 382.860808] __alloc_pages_nodemask+0xa80/0xde0 [ 382.865497] ? graph_lock+0x170/0x170 [ 382.869306] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 382.874318] ? graph_lock+0x170/0x170 [ 382.878128] ? find_held_lock+0x36/0x1c0 [ 382.882212] ? ____cache_alloc_node+0x1c7/0x1e0 [ 382.886885] ? lock_downgrade+0x900/0x900 [ 382.891061] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.896619] cache_grow_begin+0x91/0x8c0 [ 382.900680] ? do_raw_spin_unlock+0xa7/0x330 [ 382.905101] fallback_alloc+0x203/0x2e0 [ 382.909081] ____cache_alloc_node+0x1c7/0x1e0 [ 382.913653] kmem_cache_alloc_node+0xe3/0x730 [ 382.918141] ? ipv6_get_ifaddr+0x42e/0x620 [ 382.922449] __alloc_skb+0x119/0x770 [ 382.926177] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 382.931464] ? skb_scrub_packet+0x490/0x490 [ 382.935787] ? lock_downgrade+0x900/0x900 [ 382.939941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 382.945480] ? refcount_sub_and_test_checked+0x203/0x310 [ 382.950966] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 382.956453] ? addrconf_rs_timer+0x690/0x690 [ 382.960892] ndisc_alloc_skb+0x144/0x340 [ 382.964962] ndisc_send_rs+0x331/0x6e0 [ 382.968859] addrconf_rs_timer+0x314/0x690 [ 382.973100] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.977353] call_timer_fn+0x272/0x920 [ 382.981268] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 382.985506] ? process_timeout+0x40/0x40 [ 382.989568] ? find_held_lock+0x36/0x1c0 [ 382.993656] ? __run_timers+0x7da/0xc70 [ 382.997648] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.002145] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.006646] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.010886] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 383.015471] ? trace_hardirqs_on+0xbd/0x310 [ 383.019792] ? kasan_check_read+0x11/0x20 [ 383.023939] ? __run_timers+0x7da/0xc70 [ 383.027918] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.033377] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.037623] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.041858] __run_timers+0x7e5/0xc70 [ 383.045677] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.051041] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.055535] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.060032] ? lockdep_hardirqs_on+0x421/0x5c0 [ 383.064660] ? trace_hardirqs_on+0xbd/0x310 [ 383.068982] ? kasan_check_read+0x11/0x20 [ 383.073128] ? finish_task_switch+0x1f4/0x910 [ 383.077645] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.083096] ? compat_start_thread+0x80/0x80 [ 383.087511] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.093065] ? pvclock_read_flags+0x160/0x160 [ 383.097559] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.103102] ? check_preemption_disabled+0x48/0x280 [ 383.108127] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 383.113672] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.118952] ? rcu_pm_notify+0xc0/0xc0 [ 383.122845] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.128388] ? check_preemption_disabled+0x48/0x280 [ 383.133413] run_timer_softirq+0x52/0xb0 [ 383.137503] ? rcu_read_lock_sched_held+0x108/0x120 [ 383.142570] __do_softirq+0x30c/0xb03 [ 383.146385] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 383.151484] ? trace_hardirqs_off+0xb8/0x310 [ 383.155917] ? schedule+0x108/0x460 [ 383.159584] ? trace_hardirqs_off+0xb8/0x310 [ 383.163997] ? smpboot_thread_fn+0x68b/0xa00 [ 383.168409] ? trace_hardirqs_on+0x310/0x310 [ 383.172829] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.178370] ? check_preemption_disabled+0x48/0x280 [ 383.183396] ? takeover_tasklets+0xa90/0xa90 [ 383.187813] run_ksoftirqd+0x94/0x100 [ 383.191672] smpboot_thread_fn+0x68b/0xa00 [ 383.195924] ? sort_range+0x30/0x30 [ 383.199554] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 383.204662] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.210204] ? __kthread_parkme+0xfb/0x1a0 [ 383.214460] kthread+0x35a/0x420 [ 383.217827] ? sort_range+0x30/0x30 [ 383.221458] ? kthread_bind+0x40/0x40 [ 383.225262] ret_from_fork+0x3a/0x50 [ 383.228990] warn_alloc_show_mem: 1 callbacks suppressed [ 383.229002] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 383.229004] Mem-Info: [ 383.229034] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 383.229034] active_file:15 inactive_file:13 isolated_file:0 [ 383.229034] unevictable:0 dirty:0 writeback:0 unstable:0 [ 383.229034] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 383.229034] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 383.229034] free:13788 free_pcp:609 free_cma:0 [ 383.234371] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 383.234379] Call Trace: [ 383.241689] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 383.244091] [ 383.276961] Node 0 [ 383.286328] dump_stack+0x1c4/0x2b6 [ 383.288905] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 383.316374] ? dump_stack_print_info.cold.1+0x20/0x20 [ 383.318499] lowmem_reserve[]: [ 383.320741] warn_alloc.cold.119+0xb7/0x1bd [ 383.324332] 0 [ 383.349844] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 383.355010] 2819 [ 383.358109] ? lock_downgrade+0x900/0x900 [ 383.362419] 6323 [ 383.364222] ? trace_hardirqs_off+0xb8/0x310 [ 383.369032] 6323 [ 383.371102] ? trace_hardirqs_off+0xb8/0x310 [ 383.375226] Node 0 [ 383.377283] __alloc_pages_slowpath+0x265e/0x2d70 [ 383.381690] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 383.383776] ? warn_alloc+0x120/0x120 [ 383.388130] lowmem_reserve[]: 0 [ 383.390374] ? lock_release+0x970/0x970 [ 383.395230] 0 3503 [ 383.422140] ? warn_alloc+0x120/0x120 [ 383.425945] 3503 [ 383.429228] ? print_usage_bug+0xc0/0xc0 [ 383.435445] ? warn_alloc+0x120/0x120 [ 383.439220] Node 0 [ 383.441275] ? print_usage_bug+0xc0/0xc0 [ 383.445339] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 383.449110] ? __lock_acquire+0x7ec/0x4ec0 [ 383.451334] lowmem_reserve[]: 0 [ 383.455394] ? __lock_acquire+0x7ec/0x4ec0 [ 383.483752] 0 0 [ 383.487988] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.491244] 0 [ 383.495493] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 383.502983] ? should_fail+0x22d/0xd01 [ 383.504761] Node 0 [ 383.510293] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.514148] DMA: 1*4kB [ 383.516423] ? __lock_acquire+0x7ec/0x4ec0 [ 383.521508] (U) [ 383.524089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 383.528298] 0*8kB [ 383.530271] ? __lock_acquire+0x7ec/0x4ec0 [ 383.535347] 0*16kB [ 383.537507] ? should_fail+0x22d/0xd01 [ 383.541713] 1*32kB (U) [ 383.543962] ? mark_held_locks+0x130/0x130 [ 383.547817] 2*64kB [ 383.550395] ? mark_held_locks+0x130/0x130 [ 383.554607] (U) [ 383.556836] ? graph_lock+0x170/0x170 [ 383.561046] 1*128kB [ 383.563013] ? print_usage_bug+0xc0/0xc0 [ 383.566787] (U) [ 383.569118] ? graph_lock+0x170/0x170 [ 383.573151] 1*256kB (U) [ 383.575147] ? print_usage_bug+0xc0/0xc0 [ 383.578961] 0*512kB [ 383.581629] ? wq_watchdog_touch+0x9c/0xfe [ 383.585659] 1*1024kB (U) [ 383.587990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.592212] 1*2048kB (M) [ 383.595000] ? check_preemption_disabled+0x48/0x280 [ 383.600512] 3*4096kB [ 383.603271] ? check_preemption_disabled+0x48/0x280 [ 383.608259] (M) [ 383.610670] ? __lock_is_held+0xb5/0x140 [ 383.615654] = 15908kB [ 383.617627] __alloc_pages_nodemask+0xa80/0xde0 [ 383.621658] Node 0 [ 383.624062] ? graph_lock+0x170/0x170 [ 383.628710] DMA32: [ 383.630954] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 383.634730] 5*4kB [ 383.636967] ? graph_lock+0x170/0x170 [ 383.641957] (UM) [ 383.644114] ? find_held_lock+0x36/0x1c0 [ 383.647882] 0*8kB [ 383.649960] ? ____cache_alloc_node+0x1c7/0x1e0 [ 383.653988] 3*16kB (UM) [ 383.656141] ? lock_downgrade+0x900/0x900 [ 383.660784] 2*32kB [ 383.663455] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.667595] (M) [ 383.669830] cache_grow_begin+0x91/0x8c0 [ 383.675337] 5*64kB (UM) [ 383.677321] ? do_raw_spin_unlock+0xa7/0x330 [ 383.681358] 4*128kB [ 383.684030] fallback_alloc+0x203/0x2e0 [ 383.688410] (UM) [ 383.690729] ____cache_alloc_node+0x1c7/0x1e0 [ 383.694675] 3*256kB [ 383.696732] kmem_cache_alloc_node+0xe3/0x730 [ 383.701202] (M) [ 383.703519] ? ipv6_get_ifaddr+0x42e/0x620 [ 383.707991] 4*512kB [ 383.709969] __alloc_skb+0x119/0x770 [ 383.714185] (UM) [ 383.716516] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 383.720221] 3*1024kB [ 383.722294] ? skb_scrub_packet+0x490/0x490 [ 383.727557] (UM) [ 383.729962] ? lock_downgrade+0x900/0x900 [ 383.734257] 3*2048kB [ 383.736319] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.740459] (M) [ 383.742865] ? refcount_sub_and_test_checked+0x203/0x310 [ 383.748370] 3*4096kB (M) [ 383.750351] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 383.755779] = 25284kB [ 383.758530] ? addrconf_rs_timer+0x690/0x690 [ 383.763966] Node 0 [ 383.766398] ndisc_alloc_skb+0x144/0x340 [ 383.770775] Normal: [ 383.773008] ndisc_send_rs+0x331/0x6e0 [ 383.777040] 888*4kB [ 383.779376] addrconf_rs_timer+0x314/0x690 [ 383.783238] (UMEH) [ 383.785559] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.789782] 387*8kB [ 383.792019] call_timer_fn+0x272/0x920 [ 383.796221] (UME) [ 383.798533] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.802395] 157*16kB [ 383.804537] ? process_timeout+0x40/0x40 [ 383.808749] (UME) [ 383.811153] ? find_held_lock+0x36/0x1c0 [ 383.815201] 53*32kB [ 383.817349] ? __run_timers+0x7da/0xc70 [ 383.821378] (UMEH) [ 383.823695] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.827643] 26*64kB [ 383.829892] ? _raw_spin_unlock_irq+0x27/0x80 [ 383.834367] (UMH) [ 383.836690] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.841188] 4*128kB [ 383.843337] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 383.847545] (UMH) [ 383.849866] ? trace_hardirqs_on+0xbd/0x310 [ 383.854420] 0*256kB [ 383.856565] ? kasan_check_read+0x11/0x20 [ 383.860890] 0*512kB [ 383.863264] ? __run_timers+0x7da/0xc70 [ 383.867387] 1*1024kB [ 383.869708] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 383.873654] (H) [ 383.876062] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.881488] 0*2048kB [ 383.883467] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 383.887674] 0*4096kB [ 383.890080] __run_timers+0x7e5/0xc70 [ 383.894287] = 14056kB [ 383.896697] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 383.900470] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 383.902866] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 383.908234] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 383.917565] ? graph_lock+0x170/0x170 [ 383.922558] 147 total pagecache pages [ 383.931156] ? enqueue_hrtimer+0x1a5/0x560 [ 383.934950] 0 pages in swap cache [ 383.938738] ? lock_release+0x970/0x970 [ 383.942955] Swap cache stats: add 0, delete 0, find 0/0 [ 383.946398] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 383.950361] Free swap = 0kB [ 383.955720] ? find_held_lock+0x36/0x1c0 [ 383.960882] Total swap = 0kB [ 383.963891] ? graph_lock+0x170/0x170 [ 383.967929] 1965979 pages RAM [ 383.970947] ? pvclock_read_flags+0x160/0x160 [ 383.974720] 0 pages HighMem/MovableOnly [ 383.977824] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 383.982291] 342307 pages reserved [ 383.982299] 0 pages cma reserved [ 383.986287] ? check_preemption_disabled+0x48/0x280 [ 383.991872] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 383.995244] ? __lock_is_held+0xb5/0x140 [ 383.998641] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.003593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.010066] ksoftirqd/0 cpuset= [ 384.014124] ? check_preemption_disabled+0x48/0x280 [ 384.024408] / [ 384.029949] run_timer_softirq+0x52/0xb0 [ 384.033213] mems_allowed=0 [ 384.038225] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.051903] __do_softirq+0x30c/0xb03 [ 384.055722] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.060834] ? pvclock_read_flags+0x160/0x160 [ 384.065328] ? lapic_next_event+0x5a/0x90 [ 384.069478] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.075107] ? check_preemption_disabled+0x48/0x280 [ 384.080139] ? check_preemption_disabled+0x48/0x280 [ 384.085172] ? kvm_clock_read+0x18/0x30 [ 384.089209] ? kvm_sched_clock_read+0x9/0x20 [ 384.093651] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.099198] ? check_preemption_disabled+0x48/0x280 [ 384.104227] irq_exit+0x17f/0x1c0 [ 384.107684] smp_apic_timer_interrupt+0x1cb/0x760 [ 384.112529] ? smp_reschedule_interrupt+0x109/0x650 [ 384.117547] ? smp_call_function_single_interrupt+0x650/0x650 [ 384.123431] ? interrupt_entry+0xb5/0xf0 [ 384.127493] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.132510] ? trace_hardirqs_off_caller+0xbb/0x310 [ 384.137524] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.142367] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.147381] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.152396] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.157938] ? check_preemption_disabled+0x48/0x280 [ 384.162956] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.168530] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.173388] apic_timer_interrupt+0xf/0x20 [ 384.177634] [ 384.179880] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 384.184811] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 384.203737] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 384.211449] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 384.218717] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 384.225985] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 384.233247] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 384.240516] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 384.247863] skb_clone+0x1bb/0x500 [ 384.251405] ? finish_task_switch+0x1b4/0x910 [ 384.255904] ? skb_split+0x11e0/0x11e0 [ 384.259798] ? preempt_notifier_register+0x200/0x200 [ 384.264902] ? __switch_to_asm+0x34/0x70 [ 384.268997] ? __switch_to_asm+0x34/0x70 [ 384.273059] ? __switch_to_asm+0x40/0x70 [ 384.277116] ? __switch_to_asm+0x34/0x70 [ 384.281183] ? __switch_to_asm+0x40/0x70 [ 384.285246] ? __switch_to_asm+0x34/0x70 [ 384.289310] ? __switch_to_asm+0x40/0x70 [ 384.293372] ? __switch_to_asm+0x34/0x70 [ 384.297433] ? __switch_to_asm+0x34/0x70 [ 384.301491] ? __switch_to_asm+0x40/0x70 [ 384.305548] ? __switch_to_asm+0x34/0x70 [ 384.309621] bpf_clone_redirect+0xb9/0x490 [ 384.313861] ? __schedule+0x874/0x1ed0 [ 384.317761] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 384.322782] ? __sched_text_start+0x8/0x8 [ 384.326944] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.331540] ? retint_kernel+0x2d/0x2d [ 384.335428] ? trace_hardirqs_on_caller+0xc0/0x310 [ 384.340377] ? find_held_lock+0x36/0x1c0 [ 384.344467] ? lock_acquire+0x1ed/0x520 [ 384.348445] ? bpf_test_run+0x32e/0x5a0 [ 384.352454] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.357995] ? check_preemption_disabled+0x48/0x280 [ 384.363022] ? kasan_check_read+0x11/0x20 [ 384.367182] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.372461] ? rcu_bh_qs+0xc0/0xc0 [ 384.376005] ? preempt_schedule+0x4d/0x60 [ 384.380154] ? ___preempt_schedule+0x16/0x18 [ 384.384592] ? bpf_test_run+0x1c0/0x5a0 [ 384.388595] ? netlink_diag_dump+0x2a0/0x2a0 [ 384.393023] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.398562] ? bpf_test_init.isra.9+0x70/0x100 [ 384.403146] ? bpf_prog_test_run_skb+0x634/0xb40 [ 384.407917] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.412762] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 384.418314] ? fput+0x130/0x1a0 [ 384.421600] ? __bpf_prog_get+0x9b/0x290 [ 384.425764] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 384.430621] ? bpf_prog_test_run+0x130/0x1a0 [ 384.435034] ? __x64_sys_bpf+0x3d8/0x510 [ 384.439094] ? bpf_prog_get+0x20/0x20 [ 384.442923] ? do_syscall_64+0x1b9/0x820 [ 384.446993] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 384.452361] ? syscall_return_slowpath+0x5e0/0x5e0 [ 384.457296] ? trace_hardirqs_on_caller+0x310/0x310 [ 384.462319] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 384.467339] ? recalc_sigpending_tsk+0x180/0x180 [ 384.472106] ? kasan_check_write+0x14/0x20 [ 384.476355] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 384.481206] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 384.486591] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 384.486665] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 384.493359] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 384.493365] Call Trace: [ 384.493387] dump_stack+0x1c4/0x2b6 [ 384.493408] ? dump_stack_print_info.cold.1+0x20/0x20 [ 384.499943] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 384.509237] warn_alloc.cold.119+0xb7/0x1bd [ 384.511788] syz-executor1 cpuset= [ 384.515409] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 384.520588] syz1 [ 384.531070] ? lock_downgrade+0x900/0x900 [ 384.535367] mems_allowed=0 [ 384.538816] ? trace_hardirqs_off+0xb8/0x310 [ 384.557062] ? trace_hardirqs_off+0xb8/0x310 [ 384.561486] __alloc_pages_slowpath+0x265e/0x2d70 [ 384.566361] ? warn_alloc+0x120/0x120 [ 384.570176] ? warn_alloc+0x120/0x120 [ 384.574014] ? print_usage_bug+0xc0/0xc0 [ 384.578077] ? warn_alloc+0x120/0x120 [ 384.581877] ? print_usage_bug+0xc0/0xc0 [ 384.585943] ? __lock_acquire+0x7ec/0x4ec0 [ 384.590197] ? __lock_acquire+0x7ec/0x4ec0 [ 384.594440] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.599988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.605535] ? should_fail+0x22d/0xd01 [ 384.609437] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.614546] ? __lock_acquire+0x7ec/0x4ec0 [ 384.618785] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 384.623906] ? __lock_acquire+0x7ec/0x4ec0 [ 384.628144] ? should_fail+0x22d/0xd01 [ 384.632052] ? mark_held_locks+0x130/0x130 [ 384.636291] ? mark_held_locks+0x130/0x130 [ 384.640528] ? graph_lock+0x170/0x170 [ 384.644334] ? print_usage_bug+0xc0/0xc0 [ 384.648489] ? graph_lock+0x170/0x170 [ 384.652290] ? print_usage_bug+0xc0/0xc0 [ 384.656359] ? wq_watchdog_touch+0x9c/0xfe [ 384.660593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.666132] ? check_preemption_disabled+0x48/0x280 [ 384.671165] ? check_preemption_disabled+0x48/0x280 [ 384.676217] ? __lock_is_held+0xb5/0x140 [ 384.680291] __alloc_pages_nodemask+0xa80/0xde0 [ 384.684963] ? graph_lock+0x170/0x170 [ 384.688772] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 384.693789] ? graph_lock+0x170/0x170 [ 384.697601] ? find_held_lock+0x36/0x1c0 [ 384.701673] ? ____cache_alloc_node+0x1c7/0x1e0 [ 384.706344] ? lock_downgrade+0x900/0x900 [ 384.710509] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.716055] cache_grow_begin+0x91/0x8c0 [ 384.720124] ? do_raw_spin_unlock+0xa7/0x330 [ 384.724547] fallback_alloc+0x203/0x2e0 [ 384.728530] ____cache_alloc_node+0x1c7/0x1e0 [ 384.733036] kmem_cache_alloc_node+0xe3/0x730 [ 384.737533] ? ipv6_get_ifaddr+0x42e/0x620 [ 384.741778] __alloc_skb+0x119/0x770 [ 384.745498] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.750780] ? skb_scrub_packet+0x490/0x490 [ 384.755107] ? lock_downgrade+0x900/0x900 [ 384.759271] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.764824] ? refcount_sub_and_test_checked+0x203/0x310 [ 384.770316] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 384.775798] ? addrconf_rs_timer+0x690/0x690 [ 384.780223] ndisc_alloc_skb+0x144/0x340 [ 384.784488] ndisc_send_rs+0x331/0x6e0 [ 384.788388] addrconf_rs_timer+0x314/0x690 [ 384.792631] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.796879] call_timer_fn+0x272/0x920 [ 384.800855] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.805093] ? process_timeout+0x40/0x40 [ 384.809154] ? find_held_lock+0x36/0x1c0 [ 384.813241] ? __run_timers+0x7da/0xc70 [ 384.817219] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.821717] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.826214] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.830453] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 384.835044] ? trace_hardirqs_on+0xbd/0x310 [ 384.839384] ? kasan_check_read+0x11/0x20 [ 384.843532] ? __run_timers+0x7da/0xc70 [ 384.847507] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.852968] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.857210] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 384.861453] __run_timers+0x7e5/0xc70 [ 384.865278] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 384.870644] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.875140] ? _raw_spin_unlock_irq+0x27/0x80 [ 384.879643] ? lockdep_hardirqs_on+0x421/0x5c0 [ 384.884237] ? trace_hardirqs_on+0xbd/0x310 [ 384.888559] ? kasan_check_read+0x11/0x20 [ 384.892708] ? finish_task_switch+0x1f4/0x910 [ 384.897204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 384.902653] ? compat_start_thread+0x80/0x80 [ 384.907066] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.912616] ? pvclock_read_flags+0x160/0x160 [ 384.917335] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.922880] ? check_preemption_disabled+0x48/0x280 [ 384.927937] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 384.933474] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 384.938768] ? rcu_pm_notify+0xc0/0xc0 [ 384.942671] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 384.948208] ? check_preemption_disabled+0x48/0x280 [ 384.953231] run_timer_softirq+0x52/0xb0 [ 384.957292] ? rcu_read_lock_sched_held+0x108/0x120 [ 384.962310] __do_softirq+0x30c/0xb03 [ 384.966126] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 384.971237] ? trace_hardirqs_off+0xb8/0x310 [ 384.975654] ? schedule+0x108/0x460 [ 384.979293] ? trace_hardirqs_off+0xb8/0x310 [ 384.983703] ? smpboot_thread_fn+0x68b/0xa00 [ 384.988126] ? trace_hardirqs_on+0x310/0x310 [ 384.992541] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 384.998083] ? check_preemption_disabled+0x48/0x280 [ 385.003107] ? takeover_tasklets+0xa90/0xa90 [ 385.007520] run_ksoftirqd+0x94/0x100 [ 385.011353] smpboot_thread_fn+0x68b/0xa00 [ 385.015590] ? sort_range+0x30/0x30 [ 385.019221] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 385.024324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.029864] ? __kthread_parkme+0xfb/0x1a0 [ 385.034152] kthread+0x35a/0x420 [ 385.037535] ? sort_range+0x30/0x30 [ 385.041169] ? kthread_bind+0x40/0x40 [ 385.044972] ret_from_fork+0x3a/0x50 [ 385.048701] warn_alloc_show_mem: 1 callbacks suppressed [ 385.048713] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 385.048714] Mem-Info: [ 385.048745] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 385.048745] active_file:15 inactive_file:13 isolated_file:0 [ 385.048745] unevictable:0 dirty:0 writeback:0 unstable:0 [ 385.048745] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 385.048745] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 385.048745] free:13788 free_pcp:609 free_cma:0 [ 385.054084] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 385.054092] Call Trace: [ 385.061388] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 385.063784] [ 385.096672] Node 0 [ 385.106028] dump_stack+0x1c4/0x2b6 [ 385.108613] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 385.136104] ? dump_stack_print_info.cold.1+0x20/0x20 [ 385.138228] lowmem_reserve[]: [ 385.140467] warn_alloc.cold.119+0xb7/0x1bd [ 385.144058] 0 [ 385.169560] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 385.174726] 2819 [ 385.177826] ? lock_downgrade+0x900/0x900 [ 385.182119] 6323 [ 385.183922] ? trace_hardirqs_off+0xb8/0x310 [ 385.188737] 6323 [ 385.190795] ? trace_hardirqs_off+0xb8/0x310 [ 385.194914] Node 0 [ 385.196983] __alloc_pages_slowpath+0x265e/0x2d70 [ 385.201387] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 385.203448] ? warn_alloc+0x120/0x120 [ 385.207805] lowmem_reserve[]: 0 [ 385.210046] ? lock_release+0x970/0x970 [ 385.214857] 0 3503 [ 385.241766] ? warn_alloc+0x120/0x120 [ 385.245540] 3503 [ 385.248825] ? print_usage_bug+0xc0/0xc0 [ 385.252773] Node 0 [ 385.255035] ? warn_alloc+0x120/0x120 [ 385.258887] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 385.260917] ? print_usage_bug+0xc0/0xc0 [ 385.264948] lowmem_reserve[]: 0 [ 385.267201] ? __lock_acquire+0x7ec/0x4ec0 [ 385.270976] 0 [ 385.299339] ? __lock_acquire+0x7ec/0x4ec0 [ 385.303380] 0 [ 385.306653] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.310861] 0 [ 385.312657] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 385.318664] ? should_fail+0x22d/0xd01 [ 385.324180] Node 0 [ 385.325977] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.331487] DMA: [ 385.335366] ? __lock_acquire+0x7ec/0x4ec0 [ 385.337581] 1*4kB [ 385.342677] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 385.344716] (U) [ 385.348944] ? __lock_acquire+0x7ec/0x4ec0 [ 385.351070] 0*8kB [ 385.356172] ? should_fail+0x22d/0xd01 [ 385.358129] 0*16kB [ 385.362360] ? mark_held_locks+0x130/0x130 [ 385.364484] 1*32kB [ 385.368382] ? mark_held_locks+0x130/0x130 [ 385.370597] (U) [ 385.374828] ? graph_lock+0x170/0x170 [ 385.377043] 2*64kB [ 385.381271] ? print_usage_bug+0xc0/0xc0 [ 385.383222] (U) [ 385.387010] ? graph_lock+0x170/0x170 [ 385.389225] 1*128kB (U) [ 385.393304] ? print_usage_bug+0xc0/0xc0 [ 385.395259] 1*256kB [ 385.399051] ? wq_watchdog_touch+0x9c/0xfe [ 385.401698] (U) [ 385.405752] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.408050] 0*512kB [ 385.412280] ? check_preemption_disabled+0x48/0x280 [ 385.414229] 1*1024kB [ 385.419761] ? check_preemption_disabled+0x48/0x280 [ 385.422057] (U) [ 385.427072] ? __lock_is_held+0xb5/0x140 [ 385.429455] 1*2048kB [ 385.434495] __alloc_pages_nodemask+0xa80/0xde0 [ 385.436444] (M) [ 385.440500] ? graph_lock+0x170/0x170 [ 385.442897] 3*4096kB [ 385.447558] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 385.449509] (M) [ 385.453310] ? graph_lock+0x170/0x170 [ 385.455696] = 15908kB [ 385.460725] ? find_held_lock+0x36/0x1c0 [ 385.462675] Node 0 [ 385.466511] ? ____cache_alloc_node+0x1c7/0x1e0 [ 385.468890] DMA32: [ 385.472947] ? lock_downgrade+0x900/0x900 [ 385.475164] 5*4kB [ 385.479844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.482069] (UM) [ 385.486225] cache_grow_begin+0x91/0x8c0 [ 385.488348] 0*8kB [ 385.493968] ? do_raw_spin_unlock+0xa7/0x330 [ 385.496005] 3*16kB [ 385.500062] fallback_alloc+0x203/0x2e0 [ 385.502186] (UM) [ 385.506590] ____cache_alloc_node+0x1c7/0x1e0 [ 385.508804] 2*32kB [ 385.512774] kmem_cache_alloc_node+0xe3/0x730 [ 385.514810] (M) [ 385.519320] ? ipv6_get_ifaddr+0x42e/0x620 [ 385.521535] 5*64kB [ 385.526042] __alloc_skb+0x119/0x770 [ 385.527989] (UM) 4*128kB [ 385.532256] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 385.534468] (UM) [ 385.538184] ? skb_scrub_packet+0x490/0x490 [ 385.540914] 3*256kB (M) [ 385.546196] ? lock_downgrade+0x900/0x900 [ 385.548232] 4*512kB (UM) [ 385.552557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.555200] 3*1024kB [ 385.559347] ? refcount_sub_and_test_checked+0x203/0x310 [ 385.562076] (UM) [ 385.567604] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 385.569993] 3*2048kB [ 385.575436] ? addrconf_rs_timer+0x690/0x690 [ 385.577481] (M) [ 385.582936] ndisc_alloc_skb+0x144/0x340 [ 385.585304] 3*4096kB (M) [ 385.589732] ndisc_send_rs+0x331/0x6e0 [ 385.591684] = 25284kB [ 385.595739] addrconf_rs_timer+0x314/0x690 [ 385.598470] Node 0 [ 385.602351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.604737] Normal: [ 385.608975] call_timer_fn+0x272/0x920 [ 385.611190] 888*4kB [ 385.615417] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.617721] (UMEH) [ 385.621604] ? process_timeout+0x40/0x40 [ 385.623902] 387*8kB [ 385.628130] ? find_held_lock+0x36/0x1c0 [ 385.630340] (UME) 157*16kB [ 385.634410] ? __run_timers+0x7da/0xc70 [ 385.636706] (UME) [ 385.640760] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.643668] 53*32kB [ 385.647635] ? _raw_spin_unlock_irq+0x27/0x80 [ 385.649761] (UMEH) [ 385.654249] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.656547] 26*64kB (UMH) [ 385.661043] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 385.663255] 4*128kB [ 385.667488] ? trace_hardirqs_on+0xbd/0x310 [ 385.670307] (UMH) [ 385.674878] ? kasan_check_read+0x11/0x20 [ 385.674895] ? __run_timers+0x7da/0xc70 [ 385.677195] 0*256kB 0*512kB [ 385.681518] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 385.683642] 1*1024kB [ 385.687787] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.691733] (H) [ 385.694746] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 385.700174] 0*2048kB [ 385.702576] __run_timers+0x7e5/0xc70 [ 385.706778] 0*4096kB = 14056kB [ 385.708765] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 385.712989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 385.715385] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 385.719176] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 385.722354] ? graph_lock+0x170/0x170 [ 385.727692] 147 total pagecache pages [ 385.736519] ? enqueue_hrtimer+0x1a5/0x560 [ 385.741533] 0 pages in swap cache [ 385.750100] ? lock_release+0x970/0x970 [ 385.753883] Swap cache stats: add 0, delete 0, find 0/0 [ 385.757678] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 385.761895] Free swap = 0kB [ 385.765359] ? find_held_lock+0x36/0x1c0 [ 385.769305] Total swap = 0kB [ 385.774665] ? graph_lock+0x170/0x170 [ 385.779829] 1965979 pages RAM [ 385.782841] ? pvclock_read_flags+0x160/0x160 [ 385.786874] 0 pages HighMem/MovableOnly [ 385.786883] 342307 pages reserved [ 385.789898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.793675] 0 pages cma reserved [ 385.796775] ? check_preemption_disabled+0x48/0x280 [ 385.801315] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 385.805227] ? __lock_is_held+0xb5/0x140 [ 385.808714] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 385.814187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.817532] ksoftirqd/0 cpuset= [ 385.822542] ? check_preemption_disabled+0x48/0x280 [ 385.829005] / [ 385.833062] run_timer_softirq+0x52/0xb0 [ 385.843346] mems_allowed=0 [ 385.848871] ? rcu_read_lock_sched_held+0x108/0x120 [ 385.870793] __do_softirq+0x30c/0xb03 [ 385.874620] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 385.879732] ? pvclock_read_flags+0x160/0x160 [ 385.884226] ? lapic_next_event+0x5a/0x90 [ 385.888376] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.893919] ? check_preemption_disabled+0x48/0x280 [ 385.898977] ? check_preemption_disabled+0x48/0x280 [ 385.904013] ? kvm_clock_read+0x18/0x30 [ 385.908018] ? kvm_sched_clock_read+0x9/0x20 [ 385.912444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.918420] ? check_preemption_disabled+0x48/0x280 [ 385.923450] irq_exit+0x17f/0x1c0 [ 385.926943] smp_apic_timer_interrupt+0x1cb/0x760 [ 385.931785] ? smp_reschedule_interrupt+0x109/0x650 [ 385.936817] ? smp_call_function_single_interrupt+0x650/0x650 [ 385.942704] ? interrupt_entry+0xb5/0xf0 [ 385.946768] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.951785] ? trace_hardirqs_off_caller+0xbb/0x310 [ 385.956804] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.961647] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.966676] ? trace_hardirqs_on_caller+0x310/0x310 [ 385.971695] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.977233] ? check_preemption_disabled+0x48/0x280 [ 385.982251] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 385.987813] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 385.992663] apic_timer_interrupt+0xf/0x20 [ 385.996894] [ 385.999135] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 386.004076] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 386.022989] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 386.030699] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 386.037965] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 386.045235] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 386.052500] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 386.059768] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 386.067081] skb_clone+0x1bb/0x500 [ 386.070627] ? finish_task_switch+0x1b4/0x910 [ 386.075126] ? skb_split+0x11e0/0x11e0 [ 386.079022] ? preempt_notifier_register+0x200/0x200 [ 386.084124] ? __switch_to_asm+0x34/0x70 [ 386.088197] ? __switch_to_asm+0x34/0x70 [ 386.092265] ? __switch_to_asm+0x40/0x70 [ 386.096321] ? __switch_to_asm+0x34/0x70 [ 386.100383] ? __switch_to_asm+0x40/0x70 [ 386.104445] ? __switch_to_asm+0x34/0x70 [ 386.108504] ? __switch_to_asm+0x40/0x70 [ 386.112566] ? __switch_to_asm+0x34/0x70 [ 386.116625] ? __switch_to_asm+0x34/0x70 [ 386.120709] ? __switch_to_asm+0x40/0x70 [ 386.124770] ? __switch_to_asm+0x34/0x70 [ 386.128877] bpf_clone_redirect+0xb9/0x490 [ 386.133146] ? __schedule+0x874/0x1ed0 [ 386.137067] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 386.142087] ? __sched_text_start+0x8/0x8 [ 386.146240] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.150822] ? retint_kernel+0x2d/0x2d [ 386.154711] ? trace_hardirqs_on_caller+0xc0/0x310 [ 386.159646] ? find_held_lock+0x36/0x1c0 [ 386.163718] ? lock_acquire+0x1ed/0x520 [ 386.167692] ? bpf_test_run+0x32e/0x5a0 [ 386.171668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.177212] ? check_preemption_disabled+0x48/0x280 [ 386.182262] ? kasan_check_read+0x11/0x20 [ 386.186437] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.191750] ? rcu_bh_qs+0xc0/0xc0 [ 386.195305] ? preempt_schedule+0x4d/0x60 [ 386.199471] ? ___preempt_schedule+0x16/0x18 [ 386.203887] ? bpf_test_run+0x1c0/0x5a0 [ 386.207875] ? netlink_diag_dump+0x2a0/0x2a0 [ 386.212301] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.217846] ? bpf_test_init.isra.9+0x70/0x100 [ 386.222431] ? bpf_prog_test_run_skb+0x634/0xb40 [ 386.227205] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 386.232046] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 386.237616] ? fput+0x130/0x1a0 [ 386.240916] ? __bpf_prog_get+0x9b/0x290 [ 386.244982] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 386.249825] ? bpf_prog_test_run+0x130/0x1a0 [ 386.254286] ? __x64_sys_bpf+0x3d8/0x510 [ 386.258348] ? bpf_prog_get+0x20/0x20 [ 386.262182] ? do_syscall_64+0x1b9/0x820 [ 386.266246] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 386.271613] ? syscall_return_slowpath+0x5e0/0x5e0 [ 386.276548] ? trace_hardirqs_on_caller+0x310/0x310 [ 386.281566] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 386.286587] ? recalc_sigpending_tsk+0x180/0x180 [ 386.291360] ? kasan_check_write+0x14/0x20 [ 386.295603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 386.300467] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 386.305865] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 386.305943] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 386.312618] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.312623] Call Trace: [ 386.312645] dump_stack+0x1c4/0x2b6 [ 386.312667] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.319206] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 386.328512] warn_alloc.cold.119+0xb7/0x1bd [ 386.331063] syz-executor1 cpuset= [ 386.334681] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 386.339858] syz1 [ 386.350342] ? lock_downgrade+0x900/0x900 [ 386.354642] mems_allowed=0 [ 386.358092] ? trace_hardirqs_off+0xb8/0x310 [ 386.376315] ? trace_hardirqs_off+0xb8/0x310 [ 386.380734] __alloc_pages_slowpath+0x265e/0x2d70 [ 386.385637] ? warn_alloc+0x120/0x120 [ 386.389464] ? warn_alloc+0x120/0x120 [ 386.393291] ? print_usage_bug+0xc0/0xc0 [ 386.397360] ? warn_alloc+0x120/0x120 [ 386.401174] ? print_usage_bug+0xc0/0xc0 [ 386.405256] ? __lock_acquire+0x7ec/0x4ec0 [ 386.409526] ? __lock_acquire+0x7ec/0x4ec0 [ 386.413765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.419302] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.424844] ? should_fail+0x22d/0xd01 [ 386.428765] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.433869] ? __lock_acquire+0x7ec/0x4ec0 [ 386.438118] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 386.443219] ? __lock_acquire+0x7ec/0x4ec0 [ 386.447457] ? should_fail+0x22d/0xd01 [ 386.451370] ? mark_held_locks+0x130/0x130 [ 386.455611] ? mark_held_locks+0x130/0x130 [ 386.459850] ? graph_lock+0x170/0x170 [ 386.463651] ? print_usage_bug+0xc0/0xc0 [ 386.467713] ? graph_lock+0x170/0x170 [ 386.471516] ? print_usage_bug+0xc0/0xc0 [ 386.475578] ? wq_watchdog_touch+0x9c/0xfe [ 386.479831] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.485414] ? check_preemption_disabled+0x48/0x280 [ 386.490450] ? check_preemption_disabled+0x48/0x280 [ 386.495486] ? __lock_is_held+0xb5/0x140 [ 386.499553] __alloc_pages_nodemask+0xa80/0xde0 [ 386.504223] ? graph_lock+0x170/0x170 [ 386.508031] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 386.513048] ? graph_lock+0x170/0x170 [ 386.516862] ? find_held_lock+0x36/0x1c0 [ 386.520932] ? ____cache_alloc_node+0x1c7/0x1e0 [ 386.525607] ? lock_downgrade+0x900/0x900 [ 386.529765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.535307] cache_grow_begin+0x91/0x8c0 [ 386.539374] ? do_raw_spin_unlock+0xa7/0x330 [ 386.543821] fallback_alloc+0x203/0x2e0 [ 386.547829] ____cache_alloc_node+0x1c7/0x1e0 [ 386.552342] kmem_cache_alloc_node+0xe3/0x730 [ 386.556853] ? ipv6_get_ifaddr+0x42e/0x620 [ 386.561112] __alloc_skb+0x119/0x770 [ 386.564824] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.570105] ? skb_scrub_packet+0x490/0x490 [ 386.574435] ? lock_downgrade+0x900/0x900 [ 386.578593] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.584131] ? refcount_sub_and_test_checked+0x203/0x310 [ 386.589594] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 386.595060] ? addrconf_rs_timer+0x690/0x690 [ 386.599486] ndisc_alloc_skb+0x144/0x340 [ 386.603554] ndisc_send_rs+0x331/0x6e0 [ 386.607455] addrconf_rs_timer+0x314/0x690 [ 386.611715] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.615963] call_timer_fn+0x272/0x920 [ 386.619866] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.624103] ? process_timeout+0x40/0x40 [ 386.628174] ? find_held_lock+0x36/0x1c0 [ 386.632251] ? __run_timers+0x7da/0xc70 [ 386.636227] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.640720] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.645220] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.649462] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 386.654046] ? trace_hardirqs_on+0xbd/0x310 [ 386.658369] ? kasan_check_read+0x11/0x20 [ 386.662517] ? __run_timers+0x7da/0xc70 [ 386.666511] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.671973] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.676222] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 386.680463] __run_timers+0x7e5/0xc70 [ 386.684284] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 386.689654] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.694149] ? _raw_spin_unlock_irq+0x27/0x80 [ 386.698660] ? lockdep_hardirqs_on+0x421/0x5c0 [ 386.703247] ? trace_hardirqs_on+0xbd/0x310 [ 386.707575] ? kasan_check_read+0x11/0x20 [ 386.711724] ? finish_task_switch+0x1f4/0x910 [ 386.716239] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 386.721703] ? compat_start_thread+0x80/0x80 [ 386.726147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.731719] ? pvclock_read_flags+0x160/0x160 [ 386.736242] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.741787] ? check_preemption_disabled+0x48/0x280 [ 386.746814] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 386.752353] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 386.757647] ? rcu_pm_notify+0xc0/0xc0 [ 386.761561] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 386.767103] ? check_preemption_disabled+0x48/0x280 [ 386.772132] run_timer_softirq+0x52/0xb0 [ 386.776202] ? rcu_read_lock_sched_held+0x108/0x120 [ 386.781227] __do_softirq+0x30c/0xb03 [ 386.785282] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 386.790385] ? trace_hardirqs_off+0xb8/0x310 [ 386.794804] ? schedule+0x108/0x460 [ 386.798449] ? trace_hardirqs_off+0xb8/0x310 [ 386.802858] ? smpboot_thread_fn+0x68b/0xa00 [ 386.807281] ? trace_hardirqs_on+0x310/0x310 [ 386.811691] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.817232] ? check_preemption_disabled+0x48/0x280 [ 386.822255] ? takeover_tasklets+0xa90/0xa90 [ 386.826669] run_ksoftirqd+0x94/0x100 [ 386.830473] smpboot_thread_fn+0x68b/0xa00 [ 386.834711] ? sort_range+0x30/0x30 [ 386.838338] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 386.843446] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 386.849005] ? __kthread_parkme+0xfb/0x1a0 [ 386.853245] kthread+0x35a/0x420 [ 386.856610] ? sort_range+0x30/0x30 [ 386.860263] ? kthread_bind+0x40/0x40 [ 386.864084] ret_from_fork+0x3a/0x50 [ 386.867821] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 386.867826] warn_alloc_show_mem: 1 callbacks suppressed [ 386.867833] Mem-Info: [ 386.875107] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 386.880479] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 386.880479] active_file:15 inactive_file:13 isolated_file:0 [ 386.880479] unevictable:0 dirty:0 writeback:0 unstable:0 [ 386.880479] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 386.880479] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 386.880479] free:13788 free_pcp:609 free_cma:0 [ 386.882859] Call Trace: [ 386.892279] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 386.925645] [ 386.928222] Node 0 [ 386.955724] dump_stack+0x1c4/0x2b6 [ 386.957869] 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 [ 386.960673] ? dump_stack_print_info.cold.1+0x20/0x20 [ 386.964268] lowmem_reserve[]: 0 [ 386.989788] warn_alloc.cold.119+0xb7/0x1bd [ 386.994946] 2819 [ 386.998219] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 387.002508] 6323 6323 [ 387.004589] ? lock_downgrade+0x900/0x900 [ 387.011901] ? trace_hardirqs_off+0xb8/0x310 [ 387.016018] Node 0 DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 387.020454] ? trace_hardirqs_off+0xb8/0x310 [ 387.020476] __alloc_pages_slowpath+0x265e/0x2d70 [ 387.047946] lowmem_reserve[]: 0 [ 387.052400] ? warn_alloc+0x120/0x120 [ 387.057189] 0 [ 387.060469] ? lock_release+0x970/0x970 [ 387.064238] 3503 3503 [ 387.066045] ? warn_alloc+0x120/0x120 [ 387.069995] Node 0 [ 387.072512] ? print_usage_bug+0xc0/0xc0 [ 387.076315] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 387.078518] ? warn_alloc+0x120/0x120 [ 387.082552] lowmem_reserve[]: 0 [ 387.110936] ? print_usage_bug+0xc0/0xc0 [ 387.114708] 0 [ 387.118000] ? __lock_acquire+0x7ec/0x4ec0 [ 387.122044] 0 [ 387.123846] ? __lock_acquire+0x7ec/0x4ec0 [ 387.128049] 0 [ 387.129856] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.134063] Node 0 [ 387.135862] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 387.141371] DMA: [ 387.143603] ? should_fail+0x22d/0xd01 [ 387.149114] 1*4kB [ 387.151179] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.155038] (U) 0*8kB [ 387.157194] ? __lock_acquire+0x7ec/0x4ec0 [ 387.162271] 0*16kB 1*32kB [ 387.164773] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 387.168982] (U) [ 387.171820] ? __lock_acquire+0x7ec/0x4ec0 [ 387.171836] ? should_fail+0x22d/0xd01 [ 387.176911] 2*64kB (U) [ 387.178944] ? mark_held_locks+0x130/0x130 [ 387.183138] 1*128kB (U) [ 387.187035] ? mark_held_locks+0x130/0x130 [ 387.189597] 1*256kB [ 387.193821] ? graph_lock+0x170/0x170 [ 387.196483] (U) [ 387.200727] ? print_usage_bug+0xc0/0xc0 [ 387.203044] 0*512kB [ 387.206860] ? graph_lock+0x170/0x170 [ 387.208827] 1*1024kB [ 387.212891] ? print_usage_bug+0xc0/0xc0 [ 387.215190] (U) [ 387.218979] ? wq_watchdog_touch+0x9c/0xfe [ 387.221365] 1*2048kB [ 387.225420] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.227368] (M) 3*4096kB [ 387.231634] ? check_preemption_disabled+0x48/0x280 [ 387.234037] (M) [ 387.239569] ? check_preemption_disabled+0x48/0x280 [ 387.242301] = 15908kB [ 387.247316] ? __lock_is_held+0xb5/0x140 [ 387.249261] Node 0 [ 387.254271] __alloc_pages_nodemask+0xa80/0xde0 [ 387.256649] DMA32: 5*4kB [ 387.260708] ? graph_lock+0x170/0x170 [ 387.262927] (UM) [ 387.267621] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 387.270355] 0*8kB [ 387.274145] ? graph_lock+0x170/0x170 [ 387.276210] 3*16kB [ 387.281224] ? find_held_lock+0x36/0x1c0 [ 387.283344] (UM) [ 387.287146] ? ____cache_alloc_node+0x1c7/0x1e0 [ 387.289356] 2*32kB [ 387.293411] ? lock_downgrade+0x900/0x900 [ 387.295472] (M) [ 387.300165] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.302393] 5*64kB [ 387.306533] cache_grow_begin+0x91/0x8c0 [ 387.308479] (UM) 4*128kB [ 387.314017] ? do_raw_spin_unlock+0xa7/0x330 [ 387.316222] (UM) 3*256kB [ 387.320287] fallback_alloc+0x203/0x2e0 [ 387.323018] (M) [ 387.327436] ____cache_alloc_node+0x1c7/0x1e0 [ 387.330183] 4*512kB [ 387.334177] kmem_cache_alloc_node+0xe3/0x730 [ 387.336127] (UM) [ 387.340638] ? ipv6_get_ifaddr+0x42e/0x620 [ 387.342933] 3*1024kB (UM) [ 387.347433] __alloc_skb+0x119/0x770 [ 387.349464] 3*2048kB (M) [ 387.353704] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.356527] 3*4096kB (M) [ 387.360244] ? skb_scrub_packet+0x490/0x490 [ 387.362970] = 25284kB [ 387.362978] Node 0 [ 387.368249] ? lock_downgrade+0x900/0x900 [ 387.370978] Normal: 888*4kB [ 387.375304] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.377689] (UMEH) [ 387.379923] ? refcount_sub_and_test_checked+0x203/0x310 [ 387.384047] 387*8kB [ 387.387061] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 387.392571] (UME) [ 387.394803] ? addrconf_rs_timer+0x690/0x690 [ 387.400232] 157*16kB [ 387.402562] ndisc_alloc_skb+0x144/0x340 [ 387.407977] (UME) [ 387.410136] ndisc_send_rs+0x331/0x6e0 [ 387.414517] 53*32kB [ 387.416923] addrconf_rs_timer+0x314/0x690 [ 387.420959] (UMEH) [ 387.423103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.426966] 26*64kB [ 387.429296] call_timer_fn+0x272/0x920 [ 387.433493] (UMH) [ 387.435726] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.439934] 4*128kB (UMH) [ 387.442275] ? process_timeout+0x40/0x40 [ 387.446134] 0*256kB [ 387.448278] ? find_held_lock+0x36/0x1c0 [ 387.452501] 0*512kB [ 387.455343] ? __run_timers+0x7da/0xc70 [ 387.459375] 1*1024kB [ 387.461694] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.465733] (H) [ 387.468049] ? _raw_spin_unlock_irq+0x27/0x80 [ 387.471998] 0*2048kB 0*4096kB [ 387.474414] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.478930] = 14056kB [ 387.480908] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 387.485382] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 387.488562] ? trace_hardirqs_on+0xbd/0x310 [ 387.492779] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 387.495232] ? kasan_check_read+0x11/0x20 [ 387.499804] 147 total pagecache pages [ 387.508631] ? __run_timers+0x7da/0xc70 [ 387.512932] 0 pages in swap cache [ 387.521498] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 387.525641] Swap cache stats: add 0, delete 0, find 0/0 [ 387.529450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.533400] Free swap = 0kB [ 387.536852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 387.542275] Total swap = 0kB [ 387.547634] __run_timers+0x7e5/0xc70 [ 387.551841] 1965979 pages RAM [ 387.554864] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 387.559062] 0 pages HighMem/MovableOnly [ 387.562076] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 387.565849] 342307 pages reserved [ 387.565857] 0 pages cma reserved [ 387.568959] ? graph_lock+0x170/0x170 [ 387.574369] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 387.578288] ? enqueue_hrtimer+0x1a5/0x560 [ 387.583395] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 387.586748] ? lock_release+0x970/0x970 [ 387.590094] ksoftirqd/0 cpuset= [ 387.593886] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 387.600353] / [ 387.604583] ? find_held_lock+0x36/0x1c0 [ 387.614870] mems_allowed=0 [ 387.618834] ? graph_lock+0x170/0x170 [ 387.639746] ? pvclock_read_flags+0x160/0x160 [ 387.644246] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.649785] ? check_preemption_disabled+0x48/0x280 [ 387.654813] ? __lock_is_held+0xb5/0x140 [ 387.658875] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.664417] ? check_preemption_disabled+0x48/0x280 [ 387.669446] run_timer_softirq+0x52/0xb0 [ 387.673509] ? rcu_read_lock_sched_held+0x108/0x120 [ 387.678557] __do_softirq+0x30c/0xb03 [ 387.682369] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 387.687480] ? pvclock_read_flags+0x160/0x160 [ 387.691979] ? lapic_next_event+0x5a/0x90 [ 387.696127] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.701674] ? check_preemption_disabled+0x48/0x280 [ 387.706693] ? check_preemption_disabled+0x48/0x280 [ 387.711718] ? kvm_clock_read+0x18/0x30 [ 387.715692] ? kvm_sched_clock_read+0x9/0x20 [ 387.720106] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.725647] ? check_preemption_disabled+0x48/0x280 [ 387.730682] irq_exit+0x17f/0x1c0 [ 387.734143] smp_apic_timer_interrupt+0x1cb/0x760 [ 387.738994] ? smp_reschedule_interrupt+0x109/0x650 [ 387.744044] ? smp_call_function_single_interrupt+0x650/0x650 [ 387.749934] ? interrupt_entry+0xb5/0xf0 [ 387.754000] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.759018] ? trace_hardirqs_off_caller+0xbb/0x310 [ 387.764040] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.768884] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.773898] ? trace_hardirqs_on_caller+0x310/0x310 [ 387.778922] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.784486] ? check_preemption_disabled+0x48/0x280 [ 387.789506] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.795053] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 387.799907] apic_timer_interrupt+0xf/0x20 [ 387.804231] [ 387.806476] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 387.811498] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 387.830402] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 387.838114] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 387.845384] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 387.852652] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 387.859937] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 387.867204] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 387.874525] skb_clone+0x1bb/0x500 [ 387.878066] ? finish_task_switch+0x1b4/0x910 [ 387.882563] ? skb_split+0x11e0/0x11e0 [ 387.886456] ? preempt_notifier_register+0x200/0x200 [ 387.891558] ? __switch_to_asm+0x34/0x70 [ 387.895617] ? __switch_to_asm+0x34/0x70 [ 387.899680] ? __switch_to_asm+0x40/0x70 [ 387.903743] ? __switch_to_asm+0x34/0x70 [ 387.907800] ? __switch_to_asm+0x40/0x70 [ 387.911862] ? __switch_to_asm+0x34/0x70 [ 387.916429] ? __switch_to_asm+0x40/0x70 [ 387.920503] ? __switch_to_asm+0x34/0x70 [ 387.924594] ? __switch_to_asm+0x34/0x70 [ 387.928667] ? __switch_to_asm+0x40/0x70 [ 387.932756] ? __switch_to_asm+0x34/0x70 [ 387.936826] bpf_clone_redirect+0xb9/0x490 [ 387.941066] ? __schedule+0x874/0x1ed0 [ 387.944962] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 387.949987] ? __sched_text_start+0x8/0x8 [ 387.954145] ? lockdep_hardirqs_on+0x421/0x5c0 [ 387.958735] ? retint_kernel+0x2d/0x2d [ 387.962655] ? trace_hardirqs_on_caller+0xc0/0x310 [ 387.967592] ? find_held_lock+0x36/0x1c0 [ 387.971674] ? lock_acquire+0x1ed/0x520 [ 387.975647] ? bpf_test_run+0x32e/0x5a0 [ 387.979628] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 387.985181] ? check_preemption_disabled+0x48/0x280 [ 387.990224] ? kasan_check_read+0x11/0x20 [ 387.994374] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 387.999661] ? rcu_bh_qs+0xc0/0xc0 [ 388.003262] ? preempt_schedule+0x4d/0x60 [ 388.007414] ? ___preempt_schedule+0x16/0x18 [ 388.011830] ? bpf_test_run+0x1c0/0x5a0 [ 388.015852] ? netlink_diag_dump+0x2a0/0x2a0 [ 388.020276] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.025827] ? bpf_test_init.isra.9+0x70/0x100 [ 388.030415] ? bpf_prog_test_run_skb+0x634/0xb40 [ 388.035206] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.040050] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 388.045587] ? fput+0x130/0x1a0 [ 388.048872] ? __bpf_prog_get+0x9b/0x290 [ 388.052972] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 388.057816] ? bpf_prog_test_run+0x130/0x1a0 [ 388.062229] ? __x64_sys_bpf+0x3d8/0x510 [ 388.066292] ? bpf_prog_get+0x20/0x20 [ 388.070144] ? do_syscall_64+0x1b9/0x820 [ 388.074259] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 388.079640] ? syscall_return_slowpath+0x5e0/0x5e0 [ 388.084593] ? trace_hardirqs_on_caller+0x310/0x310 [ 388.089642] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 388.094718] ? recalc_sigpending_tsk+0x180/0x180 [ 388.099474] ? kasan_check_write+0x14/0x20 [ 388.103728] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 388.108598] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 388.113986] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 388.114060] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 388.120743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.120748] Call Trace: [ 388.120769] dump_stack+0x1c4/0x2b6 [ 388.120788] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.120815] warn_alloc.cold.119+0xb7/0x1bd [ 388.127358] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 388.136652] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.139213] syz-executor1 cpuset= [ 388.142858] ? lock_downgrade+0x900/0x900 [ 388.148021] syz1 [ 388.152343] ? trace_hardirqs_off+0xb8/0x310 [ 388.162818] mems_allowed=0 [ 388.167680] ? trace_hardirqs_off+0xb8/0x310 [ 388.188955] __alloc_pages_slowpath+0x265e/0x2d70 [ 388.193833] ? warn_alloc+0x120/0x120 [ 388.197660] ? warn_alloc+0x120/0x120 [ 388.201487] ? print_usage_bug+0xc0/0xc0 [ 388.205545] ? warn_alloc+0x120/0x120 [ 388.209349] ? print_usage_bug+0xc0/0xc0 [ 388.213418] ? __lock_acquire+0x7ec/0x4ec0 [ 388.217659] ? __lock_acquire+0x7ec/0x4ec0 [ 388.221898] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.227455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.233032] ? should_fail+0x22d/0xd01 [ 388.236944] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.242054] ? __lock_acquire+0x7ec/0x4ec0 [ 388.246313] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.251415] ? __lock_acquire+0x7ec/0x4ec0 [ 388.255653] ? should_fail+0x22d/0xd01 [ 388.259569] ? mark_held_locks+0x130/0x130 [ 388.263833] ? mark_held_locks+0x130/0x130 [ 388.268078] ? mark_held_locks+0xc7/0x130 [ 388.272225] ? print_usage_bug+0xc0/0xc0 [ 388.276289] ? graph_lock+0x170/0x170 [ 388.280089] ? print_usage_bug+0xc0/0xc0 [ 388.284153] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.289743] ? check_preemption_disabled+0x48/0x280 [ 388.294787] ? check_preemption_disabled+0x48/0x280 [ 388.299829] ? __lock_is_held+0xb5/0x140 [ 388.303930] __alloc_pages_nodemask+0xa80/0xde0 [ 388.308601] ? graph_lock+0x170/0x170 [ 388.312411] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 388.317438] ? graph_lock+0x170/0x170 [ 388.321253] ? find_held_lock+0x36/0x1c0 [ 388.325325] ? ____cache_alloc_node+0x1c7/0x1e0 [ 388.329997] ? lock_downgrade+0x900/0x900 [ 388.334167] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.339726] cache_grow_begin+0x91/0x8c0 [ 388.343789] ? do_raw_spin_unlock+0xa7/0x330 [ 388.348208] fallback_alloc+0x203/0x2e0 [ 388.352209] ____cache_alloc_node+0x1c7/0x1e0 [ 388.356729] kmem_cache_alloc_node+0xe3/0x730 [ 388.361230] ? ipv6_get_ifaddr+0x42e/0x620 [ 388.365477] __alloc_skb+0x119/0x770 [ 388.369200] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.374485] ? skb_scrub_packet+0x490/0x490 [ 388.378807] ? lock_downgrade+0x900/0x900 [ 388.382978] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.388602] ? refcount_sub_and_test_checked+0x203/0x310 [ 388.394076] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 388.399532] ? addrconf_rs_timer+0x690/0x690 [ 388.403953] ndisc_alloc_skb+0x144/0x340 [ 388.408025] ndisc_send_rs+0x331/0x6e0 [ 388.411919] addrconf_rs_timer+0x314/0x690 [ 388.416170] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.420434] call_timer_fn+0x272/0x920 [ 388.424326] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.428568] ? process_timeout+0x40/0x40 [ 388.432638] ? find_held_lock+0x36/0x1c0 [ 388.436711] ? __run_timers+0x7da/0xc70 [ 388.440691] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.445191] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.449685] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.453923] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 388.458510] ? trace_hardirqs_on+0xbd/0x310 [ 388.462837] ? kasan_check_read+0x11/0x20 [ 388.466987] ? __run_timers+0x7da/0xc70 [ 388.470966] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.476422] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.480671] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 388.484911] __run_timers+0x7e5/0xc70 [ 388.488734] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 388.494099] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.498597] ? _raw_spin_unlock_irq+0x27/0x80 [ 388.503093] ? lockdep_hardirqs_on+0x421/0x5c0 [ 388.507690] ? trace_hardirqs_on+0xbd/0x310 [ 388.512011] ? kasan_check_read+0x11/0x20 [ 388.516165] ? finish_task_switch+0x1f4/0x910 [ 388.520676] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 388.526147] ? compat_start_thread+0x80/0x80 [ 388.530581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.536135] ? pvclock_read_flags+0x160/0x160 [ 388.540638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.546184] ? check_preemption_disabled+0x48/0x280 [ 388.551213] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 388.556751] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 388.562035] ? rcu_pm_notify+0xc0/0xc0 [ 388.565924] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.571463] ? check_preemption_disabled+0x48/0x280 [ 388.576492] run_timer_softirq+0x52/0xb0 [ 388.580555] ? rcu_read_lock_sched_held+0x108/0x120 [ 388.585576] __do_softirq+0x30c/0xb03 [ 388.589390] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 388.594494] ? trace_hardirqs_off+0xb8/0x310 [ 388.598912] ? schedule+0x108/0x460 [ 388.602553] ? trace_hardirqs_off+0xb8/0x310 [ 388.606963] ? smpboot_thread_fn+0x68b/0xa00 [ 388.611373] ? trace_hardirqs_on+0x310/0x310 [ 388.615783] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.621323] ? check_preemption_disabled+0x48/0x280 [ 388.626343] ? takeover_tasklets+0xa90/0xa90 [ 388.630754] run_ksoftirqd+0x94/0x100 [ 388.634559] smpboot_thread_fn+0x68b/0xa00 [ 388.638821] ? sort_range+0x30/0x30 [ 388.642458] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 388.647563] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.653104] ? __kthread_parkme+0xfb/0x1a0 [ 388.657351] kthread+0x35a/0x420 [ 388.660723] ? sort_range+0x30/0x30 [ 388.664347] ? kthread_bind+0x40/0x40 [ 388.668150] ret_from_fork+0x3a/0x50 [ 388.671892] warn_alloc_show_mem: 1 callbacks suppressed [ 388.671904] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 388.671906] Mem-Info: [ 388.671938] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 388.671938] active_file:15 inactive_file:13 isolated_file:0 [ 388.671938] unevictable:0 dirty:0 writeback:0 unstable:0 [ 388.671938] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 388.671938] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 388.671938] free:13788 free_pcp:609 free_cma:0 [ 388.677278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 388.684557] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 388.686957] Call Trace: [ 388.719828] Node 0 [ 388.729206] [ 388.756716] 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 [ 388.759311] dump_stack+0x1c4/0x2b6 [ 388.761510] lowmem_reserve[]: 0 [ 388.763669] ? dump_stack_print_info.cold.1+0x20/0x20 [ 388.789343] 2819 6323 [ 388.793217] warn_alloc.cold.119+0xb7/0x1bd [ 388.796480] 6323 [ 388.801672] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 388.808469] ? lock_downgrade+0x900/0x900 [ 388.810513] Node 0 [ 388.815352] ? trace_hardirqs_off+0xb8/0x310 [ 388.819497] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 388.821706] ? trace_hardirqs_off+0xb8/0x310 [ 388.826099] lowmem_reserve[]: 0 [ 388.853009] __alloc_pages_slowpath+0x265e/0x2d70 [ 388.857388] 0 [ 388.860692] ? warn_alloc+0x120/0x120 [ 388.865479] 3503 3503 [ 388.867287] ? warn_alloc+0x120/0x120 [ 388.873550] ? print_usage_bug+0xc0/0xc0 [ 388.877324] Node 0 [ 388.881376] ? warn_alloc+0x120/0x120 [ 388.881408] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 388.881415] lowmem_reserve[]: [ 388.883644] ? print_usage_bug+0xc0/0xc0 [ 388.887413] 0 0 [ 388.916273] ? __lock_acquire+0x7ec/0x4ec0 [ 388.919360] 0 [ 388.923419] ? __lock_acquire+0x7ec/0x4ec0 [ 388.925402] 0 [ 388.929638] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 388.931414] Node 0 [ 388.935642] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 388.937436] DMA: [ 388.942970] ? should_fail+0x22d/0xd01 [ 388.945200] 1*4kB [ 388.950754] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.952790] (U) [ 388.956677] ? __lock_acquire+0x7ec/0x4ec0 [ 388.958804] 0*8kB [ 388.963902] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 388.965854] 0*16kB [ 388.970081] ? __lock_acquire+0x7ec/0x4ec0 [ 388.972235] 1*32kB [ 388.977327] ? should_fail+0x22d/0xd01 [ 388.979540] (U) [ 388.983801] ? mark_held_locks+0x130/0x130 [ 388.986040] 2*64kB [ 388.989921] ? mark_held_locks+0x130/0x130 [ 388.991870] (U) [ 388.996096] ? graph_lock+0x170/0x170 [ 388.998314] 1*128kB [ 389.002541] ? print_usage_bug+0xc0/0xc0 [ 389.004494] (U) [ 389.008287] ? graph_lock+0x170/0x170 [ 389.010582] 1*256kB (U) [ 389.014642] ? print_usage_bug+0xc0/0xc0 [ 389.016610] 0*512kB [ 389.020401] ? wq_watchdog_touch+0x9c/0xfe [ 389.023076] 1*1024kB [ 389.027129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.029422] (U) 1*2048kB [ 389.033704] ? check_preemption_disabled+0x48/0x280 [ 389.036103] (M) [ 389.041679] ? check_preemption_disabled+0x48/0x280 [ 389.044412] 3*4096kB [ 389.049441] ? __lock_is_held+0xb5/0x140 [ 389.051393] (M) [ 389.056409] __alloc_pages_nodemask+0xa80/0xde0 [ 389.058790] = 15908kB [ 389.062840] ? graph_lock+0x170/0x170 [ 389.064795] Node 0 [ 389.069472] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 389.071858] DMA32: [ 389.075653] ? graph_lock+0x170/0x170 [ 389.077884] 5*4kB [ 389.082964] ? find_held_lock+0x36/0x1c0 [ 389.085198] (UM) [ 389.089004] ? ____cache_alloc_node+0x1c7/0x1e0 [ 389.091124] 0*8kB [ 389.095186] ? lock_downgrade+0x900/0x900 [ 389.097243] 3*16kB [ 389.101925] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.104051] (UM) [ 389.108201] cache_grow_begin+0x91/0x8c0 [ 389.110412] 2*32kB [ 389.115944] ? do_raw_spin_unlock+0xa7/0x330 [ 389.117985] (M) [ 389.122054] fallback_alloc+0x203/0x2e0 [ 389.124282] 5*64kB [ 389.128688] ____cache_alloc_node+0x1c7/0x1e0 [ 389.130640] (UM) [ 389.134657] kmem_cache_alloc_node+0xe3/0x730 [ 389.136862] 4*128kB (UM) [ 389.141372] ? ipv6_get_ifaddr+0x42e/0x620 [ 389.143412] 3*256kB [ 389.147904] __alloc_skb+0x119/0x770 [ 389.150631] (M) [ 389.154861] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.157152] 4*512kB (UM) [ 389.160876] ? skb_scrub_packet+0x490/0x490 [ 389.162847] 3*1024kB [ 389.168118] ? lock_downgrade+0x900/0x900 [ 389.170865] (UM) [ 389.175192] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.177574] 3*2048kB (M) [ 389.181727] ? refcount_sub_and_test_checked+0x203/0x310 [ 389.183770] 3*4096kB [ 389.189302] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 389.192030] (M) = 25284kB [ 389.197487] ? addrconf_rs_timer+0x690/0x690 [ 389.199871] Node 0 [ 389.205324] ndisc_alloc_skb+0x144/0x340 [ 389.208047] Normal: [ 389.212453] ndisc_send_rs+0x331/0x6e0 [ 389.214665] 888*4kB [ 389.218719] addrconf_rs_timer+0x314/0x690 [ 389.221014] (UMEH) [ 389.224912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.227211] 387*8kB [ 389.231493] call_timer_fn+0x272/0x920 [ 389.233709] (UME) [ 389.237958] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.240254] 157*16kB [ 389.244134] ? process_timeout+0x40/0x40 [ 389.246257] (UME) [ 389.250487] ? find_held_lock+0x36/0x1c0 [ 389.252887] 53*32kB [ 389.256995] ? __run_timers+0x7da/0xc70 [ 389.259130] (UMEH) [ 389.263195] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.265495] 26*64kB [ 389.269461] ? _raw_spin_unlock_irq+0x27/0x80 [ 389.271677] (UMH) [ 389.276178] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.278477] 4*128kB [ 389.282969] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 389.285094] (UMH) [ 389.289325] ? trace_hardirqs_on+0xbd/0x310 [ 389.291623] 0*256kB 0*512kB [ 389.296212] ? kasan_check_read+0x11/0x20 [ 389.298343] 1*1024kB (H) [ 389.302680] ? __run_timers+0x7da/0xc70 [ 389.305666] 0*2048kB 0*4096kB [ 389.309816] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 389.312551] = 14056kB [ 389.316523] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.319692] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 389.325151] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 389.327553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 389.331777] __run_timers+0x7e5/0xc70 [ 389.340607] 147 total pagecache pages [ 389.344861] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 389.353411] 0 pages in swap cache [ 389.357199] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 389.360980] Swap cache stats: add 0, delete 0, find 0/0 [ 389.366329] ? graph_lock+0x170/0x170 [ 389.369752] Free swap = 0kB [ 389.369761] Total swap = 0kB [ 389.374769] ? enqueue_hrtimer+0x1a5/0x560 [ 389.380121] 1965979 pages RAM [ 389.383916] ? lock_release+0x970/0x970 [ 389.386909] 0 pages HighMem/MovableOnly [ 389.389927] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 389.394131] 342307 pages reserved [ 389.394138] 0 pages cma reserved [ 389.397246] ? find_held_lock+0x36/0x1c0 [ 389.401269] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.405165] ? graph_lock+0x170/0x170 [ 389.410393] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.413783] ? pvclock_read_flags+0x160/0x160 [ 389.417127] ksoftirqd/0 cpuset= [ 389.421207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.427671] / [ 389.431468] ? check_preemption_disabled+0x48/0x280 [ 389.441752] mems_allowed=0 [ 389.446244] ? __lock_is_held+0xb5/0x140 [ 389.468690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.474231] ? check_preemption_disabled+0x48/0x280 [ 389.479260] run_timer_softirq+0x52/0xb0 [ 389.483326] ? rcu_read_lock_sched_held+0x108/0x120 [ 389.488342] __do_softirq+0x30c/0xb03 [ 389.492164] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 389.497273] ? pvclock_read_flags+0x160/0x160 [ 389.501771] ? lapic_next_event+0x5a/0x90 [ 389.505948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.511501] ? check_preemption_disabled+0x48/0x280 [ 389.516516] ? check_preemption_disabled+0x48/0x280 [ 389.521540] ? kvm_clock_read+0x18/0x30 [ 389.525517] ? kvm_sched_clock_read+0x9/0x20 [ 389.529941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.535499] ? check_preemption_disabled+0x48/0x280 [ 389.540550] irq_exit+0x17f/0x1c0 [ 389.544013] smp_apic_timer_interrupt+0x1cb/0x760 [ 389.548858] ? smp_reschedule_interrupt+0x109/0x650 [ 389.553877] ? smp_call_function_single_interrupt+0x650/0x650 [ 389.559763] ? interrupt_entry+0xb5/0xf0 [ 389.563831] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.568847] ? trace_hardirqs_off_caller+0xbb/0x310 [ 389.573867] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.578712] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.583726] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.588749] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.594293] ? check_preemption_disabled+0x48/0x280 [ 389.599311] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.604861] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.609717] apic_timer_interrupt+0xf/0x20 [ 389.613993] [ 389.616238] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 389.621202] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 389.640102] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 389.647824] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 389.655094] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 389.662361] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 389.669632] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 389.676904] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 389.684234] skb_clone+0x1bb/0x500 [ 389.687781] ? finish_task_switch+0x1b4/0x910 [ 389.692279] ? skb_split+0x11e0/0x11e0 [ 389.696175] ? preempt_notifier_register+0x200/0x200 [ 389.701280] ? __switch_to_asm+0x34/0x70 [ 389.705343] ? __switch_to_asm+0x34/0x70 [ 389.709402] ? __switch_to_asm+0x40/0x70 [ 389.713462] ? __switch_to_asm+0x34/0x70 [ 389.717519] ? __switch_to_asm+0x40/0x70 [ 389.721577] ? __switch_to_asm+0x34/0x70 [ 389.725636] ? __switch_to_asm+0x40/0x70 [ 389.729714] ? __switch_to_asm+0x34/0x70 [ 389.733779] ? __switch_to_asm+0x34/0x70 [ 389.737835] ? __switch_to_asm+0x40/0x70 [ 389.742594] ? __switch_to_asm+0x34/0x70 [ 389.746666] bpf_clone_redirect+0xb9/0x490 [ 389.750908] ? __schedule+0x874/0x1ed0 [ 389.754808] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 389.759828] ? __sched_text_start+0x8/0x8 [ 389.763985] ? lockdep_hardirqs_on+0x421/0x5c0 [ 389.768565] ? retint_kernel+0x2d/0x2d [ 389.772457] ? trace_hardirqs_on_caller+0xc0/0x310 [ 389.777396] ? find_held_lock+0x36/0x1c0 [ 389.781466] ? lock_acquire+0x1ed/0x520 [ 389.785438] ? bpf_test_run+0x32e/0x5a0 [ 389.789416] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 389.794962] ? check_preemption_disabled+0x48/0x280 [ 389.799990] ? kasan_check_read+0x11/0x20 [ 389.804140] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 389.809427] ? rcu_bh_qs+0xc0/0xc0 [ 389.812977] ? preempt_schedule+0x4d/0x60 [ 389.817131] ? ___preempt_schedule+0x16/0x18 [ 389.821556] ? bpf_test_run+0x1c0/0x5a0 [ 389.825546] ? netlink_diag_dump+0x2a0/0x2a0 [ 389.829988] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 389.835530] ? bpf_test_init.isra.9+0x70/0x100 [ 389.840121] ? bpf_prog_test_run_skb+0x634/0xb40 [ 389.844885] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 389.849730] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 389.855268] ? fput+0x130/0x1a0 [ 389.858550] ? __bpf_prog_get+0x9b/0x290 [ 389.862614] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 389.867455] ? bpf_prog_test_run+0x130/0x1a0 [ 389.871871] ? __x64_sys_bpf+0x3d8/0x510 [ 389.875940] ? bpf_prog_get+0x20/0x20 [ 389.879764] ? do_syscall_64+0x1b9/0x820 [ 389.883829] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 389.889202] ? syscall_return_slowpath+0x5e0/0x5e0 [ 389.894134] ? trace_hardirqs_on_caller+0x310/0x310 [ 389.899167] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 389.904198] ? recalc_sigpending_tsk+0x180/0x180 [ 389.908966] ? kasan_check_write+0x14/0x20 [ 389.913210] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 389.918519] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 389.923901] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 389.923980] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 389.930654] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 389.930659] Call Trace: [ 389.930681] dump_stack+0x1c4/0x2b6 [ 389.930705] ? dump_stack_print_info.cold.1+0x20/0x20 [ 389.937245] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 389.946547] warn_alloc.cold.119+0xb7/0x1bd [ 389.949103] syz-executor1 cpuset= [ 389.952724] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 389.957887] syz1 [ 389.968370] ? lock_downgrade+0x900/0x900 [ 389.972671] mems_allowed=0 [ 389.976135] ? trace_hardirqs_off+0xb8/0x310 [ 389.994390] ? trace_hardirqs_off+0xb8/0x310 [ 389.998816] __alloc_pages_slowpath+0x265e/0x2d70 [ 390.003691] ? warn_alloc+0x120/0x120 [ 390.007498] ? warn_alloc+0x120/0x120 [ 390.011307] ? print_usage_bug+0xc0/0xc0 [ 390.015371] ? warn_alloc+0x120/0x120 [ 390.019184] ? print_usage_bug+0xc0/0xc0 [ 390.023254] ? __lock_acquire+0x7ec/0x4ec0 [ 390.027489] ? __lock_acquire+0x7ec/0x4ec0 [ 390.031730] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.037271] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.042808] ? should_fail+0x22d/0xd01 [ 390.046700] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.051802] ? __lock_acquire+0x7ec/0x4ec0 [ 390.056048] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.061150] ? __lock_acquire+0x7ec/0x4ec0 [ 390.065393] ? should_fail+0x22d/0xd01 [ 390.069298] ? mark_held_locks+0x130/0x130 [ 390.073537] ? mark_held_locks+0x130/0x130 [ 390.077778] ? graph_lock+0x170/0x170 [ 390.081583] ? print_usage_bug+0xc0/0xc0 [ 390.085645] ? graph_lock+0x170/0x170 [ 390.089450] ? print_usage_bug+0xc0/0xc0 [ 390.093515] ? wq_watchdog_touch+0x9c/0xfe [ 390.097753] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.103294] ? check_preemption_disabled+0x48/0x280 [ 390.108313] ? check_preemption_disabled+0x48/0x280 [ 390.113341] ? __lock_is_held+0xb5/0x140 [ 390.117412] __alloc_pages_nodemask+0xa80/0xde0 [ 390.122087] ? graph_lock+0x170/0x170 [ 390.125898] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 390.130914] ? graph_lock+0x170/0x170 [ 390.134729] ? find_held_lock+0x36/0x1c0 [ 390.138801] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.143473] ? lock_downgrade+0x900/0x900 [ 390.147631] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.153185] cache_grow_begin+0x91/0x8c0 [ 390.157250] ? do_raw_spin_unlock+0xa7/0x330 [ 390.161669] fallback_alloc+0x203/0x2e0 [ 390.165651] ____cache_alloc_node+0x1c7/0x1e0 [ 390.170164] kmem_cache_alloc_node+0xe3/0x730 [ 390.174663] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.178929] __alloc_skb+0x119/0x770 [ 390.182650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.187951] ? skb_scrub_packet+0x490/0x490 [ 390.192275] ? lock_downgrade+0x900/0x900 [ 390.196438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.201978] ? refcount_sub_and_test_checked+0x203/0x310 [ 390.207441] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 390.212986] ? addrconf_rs_timer+0x690/0x690 [ 390.217416] ndisc_alloc_skb+0x144/0x340 [ 390.221493] ndisc_send_rs+0x331/0x6e0 [ 390.225419] addrconf_rs_timer+0x314/0x690 [ 390.229666] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.233915] call_timer_fn+0x272/0x920 [ 390.237807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.242044] ? process_timeout+0x40/0x40 [ 390.246108] ? find_held_lock+0x36/0x1c0 [ 390.250185] ? __run_timers+0x7da/0xc70 [ 390.254174] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.258674] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.263176] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.267413] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 390.272001] ? trace_hardirqs_on+0xbd/0x310 [ 390.276341] ? kasan_check_read+0x11/0x20 [ 390.280490] ? __run_timers+0x7da/0xc70 [ 390.284469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.289926] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.294182] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 390.298419] __run_timers+0x7e5/0xc70 [ 390.302243] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 390.307607] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.312102] ? _raw_spin_unlock_irq+0x27/0x80 [ 390.316601] ? lockdep_hardirqs_on+0x421/0x5c0 [ 390.321194] ? trace_hardirqs_on+0xbd/0x310 [ 390.325517] ? kasan_check_read+0x11/0x20 [ 390.329678] ? finish_task_switch+0x1f4/0x910 [ 390.334182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 390.339639] ? compat_start_thread+0x80/0x80 [ 390.344053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.349609] ? pvclock_read_flags+0x160/0x160 [ 390.354118] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.359655] ? check_preemption_disabled+0x48/0x280 [ 390.364682] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 390.370236] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.375548] ? rcu_pm_notify+0xc0/0xc0 [ 390.379458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.385000] ? check_preemption_disabled+0x48/0x280 [ 390.390031] run_timer_softirq+0x52/0xb0 [ 390.394095] ? rcu_read_lock_sched_held+0x108/0x120 [ 390.399126] __do_softirq+0x30c/0xb03 [ 390.402946] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 390.408048] ? trace_hardirqs_off+0xb8/0x310 [ 390.412472] ? schedule+0x108/0x460 [ 390.416115] ? trace_hardirqs_off+0xb8/0x310 [ 390.420529] ? smpboot_thread_fn+0x68b/0xa00 [ 390.424942] ? trace_hardirqs_on+0x310/0x310 [ 390.429352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.434892] ? check_preemption_disabled+0x48/0x280 [ 390.439913] ? takeover_tasklets+0xa90/0xa90 [ 390.444330] run_ksoftirqd+0x94/0x100 [ 390.448130] smpboot_thread_fn+0x68b/0xa00 [ 390.452374] ? sort_range+0x30/0x30 [ 390.456005] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 390.461110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.466647] ? __kthread_parkme+0xfb/0x1a0 [ 390.470887] kthread+0x35a/0x420 [ 390.474253] ? sort_range+0x30/0x30 [ 390.477885] ? kthread_bind+0x40/0x40 [ 390.481688] ret_from_fork+0x3a/0x50 [ 390.485425] warn_alloc_show_mem: 1 callbacks suppressed [ 390.485436] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 390.485438] Mem-Info: [ 390.485469] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 390.485469] active_file:15 inactive_file:13 isolated_file:0 [ 390.485469] unevictable:0 dirty:0 writeback:0 unstable:0 [ 390.485469] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 390.485469] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 390.485469] free:13788 free_pcp:609 free_cma:0 [ 390.490812] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 390.498089] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 390.500490] Call Trace: [ 390.533363] Node 0 [ 390.542714] [ 390.570272] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 390.572832] dump_stack+0x1c4/0x2b6 [ 390.575030] lowmem_reserve[]: 0 [ 390.577194] ? dump_stack_print_info.cold.1+0x20/0x20 [ 390.602662] 2819 6323 [ 390.606305] warn_alloc.cold.119+0xb7/0x1bd [ 390.609542] 6323 [ 390.614820] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 390.617297] Node 0 [ 390.621611] ? lock_downgrade+0x900/0x900 [ 390.623676] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 390.628491] ? trace_hardirqs_off+0xb8/0x310 [ 390.630689] lowmem_reserve[]: 0 [ 390.634843] ? trace_hardirqs_off+0xb8/0x310 [ 390.661716] 0 [ 390.666133] __alloc_pages_slowpath+0x265e/0x2d70 [ 390.669376] 3503 [ 390.673817] ? warn_alloc+0x120/0x120 [ 390.675562] 3503 [ 390.680407] ? lock_release+0x970/0x970 [ 390.682469] Node 0 [ 390.686262] ? warn_alloc+0x120/0x120 [ 390.688330] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 390.692274] ? print_usage_bug+0xc0/0xc0 [ 390.694478] lowmem_reserve[]: 0 [ 390.698299] ? warn_alloc+0x120/0x120 [ 390.726637] 0 0 [ 390.730704] ? print_usage_bug+0xc0/0xc0 [ 390.733954] 0 [ 390.737775] ? __lock_acquire+0x7ec/0x4ec0 [ 390.743818] ? __lock_acquire+0x7ec/0x4ec0 [ 390.745611] Node 0 [ 390.749843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.754049] DMA: [ 390.756281] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 390.761793] 1*4kB [ 390.763850] ? should_fail+0x22d/0xd01 [ 390.769360] (U) [ 390.771517] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.775388] 0*8kB [ 390.777355] ? __lock_acquire+0x7ec/0x4ec0 [ 390.782656] 0*16kB 1*32kB [ 390.784829] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 390.789036] (U) [ 390.791887] ? __lock_acquire+0x7ec/0x4ec0 [ 390.797002] 2*64kB [ 390.798983] ? should_fail+0x22d/0xd01 [ 390.803213] (U) [ 390.805449] ? mark_held_locks+0x130/0x130 [ 390.809327] 1*128kB [ 390.811301] ? mark_held_locks+0x130/0x130 [ 390.815520] (U) [ 390.817834] ? graph_lock+0x170/0x170 [ 390.822046] 1*256kB [ 390.824014] ? print_usage_bug+0xc0/0xc0 [ 390.827792] (U) [ 390.830107] ? graph_lock+0x170/0x170 [ 390.834144] 0*512kB 1*1024kB [ 390.836129] ? print_usage_bug+0xc0/0xc0 [ 390.839909] (U) [ 390.843029] ? wq_watchdog_touch+0x9c/0xfe [ 390.847077] 1*2048kB [ 390.849064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.853268] (M) [ 390.855673] ? check_preemption_disabled+0x48/0x280 [ 390.861191] 3*4096kB [ 390.863168] ? check_preemption_disabled+0x48/0x280 [ 390.868166] (M) [ 390.870581] ? __lock_is_held+0xb5/0x140 [ 390.875564] = 15908kB [ 390.877565] __alloc_pages_nodemask+0xa80/0xde0 [ 390.881596] Node 0 [ 390.884008] ? graph_lock+0x170/0x170 [ 390.888651] DMA32: 5*4kB [ 390.890890] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 390.894666] (UM) [ 390.897415] ? graph_lock+0x170/0x170 [ 390.902407] 0*8kB 3*16kB [ 390.904481] ? find_held_lock+0x36/0x1c0 [ 390.908250] (UM) [ 390.911006] ? ____cache_alloc_node+0x1c7/0x1e0 [ 390.915239] 2*32kB (M) [ 390.917311] ? lock_downgrade+0x900/0x900 [ 390.921960] 5*64kB [ 390.924591] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 390.928706] (UM) [ 390.930958] cache_grow_begin+0x91/0x8c0 [ 390.936464] 4*128kB (UM) [ 390.938533] ? do_raw_spin_unlock+0xa7/0x330 [ 390.942565] 3*256kB [ 390.945322] fallback_alloc+0x203/0x2e0 [ 390.949704] (M) [ 390.952024] ____cache_alloc_node+0x1c7/0x1e0 [ 390.955972] 4*512kB [ 390.957981] kmem_cache_alloc_node+0xe3/0x730 [ 390.962460] (UM) [ 390.964777] ? ipv6_get_ifaddr+0x42e/0x620 [ 390.969240] 3*1024kB (UM) [ 390.971322] __alloc_skb+0x119/0x770 [ 390.975518] 3*2048kB (M) [ 390.978366] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 390.982068] 3*4096kB [ 390.984815] ? skb_scrub_packet+0x490/0x490 [ 390.990064] (M) = 25284kB [ 390.992480] ? lock_downgrade+0x900/0x900 [ 390.996776] Node 0 [ 390.999545] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.003668] Normal: [ 391.005900] ? refcount_sub_and_test_checked+0x203/0x310 [ 391.011408] 888*4kB [ 391.013724] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 391.019151] (UMEH) [ 391.021483] ? addrconf_rs_timer+0x690/0x690 [ 391.026908] 387*8kB [ 391.029149] ndisc_alloc_skb+0x144/0x340 [ 391.033521] (UME) [ 391.035844] ndisc_send_rs+0x331/0x6e0 [ 391.039881] 157*16kB [ 391.042045] addrconf_rs_timer+0x314/0x690 [ 391.045905] (UME) [ 391.048316] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.052523] 53*32kB [ 391.054676] call_timer_fn+0x272/0x920 [ 391.058874] (UMEH) [ 391.061211] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.065067] 26*64kB (UMH) [ 391.067310] ? process_timeout+0x40/0x40 [ 391.071521] 4*128kB [ 391.074359] ? find_held_lock+0x36/0x1c0 [ 391.078396] (UMH) [ 391.080719] ? __run_timers+0x7da/0xc70 [ 391.084751] 0*256kB [ 391.086895] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.090847] 0*512kB [ 391.093197] ? _raw_spin_unlock_irq+0x27/0x80 [ 391.097665] 1*1024kB [ 391.099997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.104466] (H) [ 391.106871] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 391.111080] 0*2048kB [ 391.113051] ? trace_hardirqs_on+0xbd/0x310 [ 391.117610] 0*4096kB [ 391.120028] ? kasan_check_read+0x11/0x20 [ 391.124314] = 14056kB [ 391.124328] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 391.126728] ? __run_timers+0x7da/0xc70 [ 391.130856] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 391.133259] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 391.142073] 147 total pagecache pages [ 391.146047] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 391.154593] 0 pages in swap cache [ 391.160044] __run_timers+0x7e5/0xc70 [ 391.163822] Swap cache stats: add 0, delete 0, find 0/0 [ 391.168055] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 391.171470] Free swap = 0kB [ 391.171479] Total swap = 0kB [ 391.175285] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 391.180619] 1965979 pages RAM [ 391.185978] ? graph_lock+0x170/0x170 [ 391.188975] 0 pages HighMem/MovableOnly [ 391.188983] 342307 pages reserved [ 391.191990] ? enqueue_hrtimer+0x1a5/0x560 [ 391.196984] 0 pages cma reserved [ 391.200100] ? lock_release+0x970/0x970 [ 391.203992] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.207869] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 391.211457] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.215534] ? find_held_lock+0x36/0x1c0 [ 391.218876] ksoftirqd/0 cpuset= [ 391.222841] ? graph_lock+0x170/0x170 [ 391.229307] / [ 391.234502] ? pvclock_read_flags+0x160/0x160 [ 391.244804] mems_allowed=0 [ 391.248857] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.270589] ? check_preemption_disabled+0x48/0x280 [ 391.275619] ? __lock_is_held+0xb5/0x140 [ 391.279691] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.285248] ? check_preemption_disabled+0x48/0x280 [ 391.290269] run_timer_softirq+0x52/0xb0 [ 391.294356] ? rcu_read_lock_sched_held+0x108/0x120 [ 391.299377] __do_softirq+0x30c/0xb03 [ 391.303195] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 391.308322] ? pvclock_read_flags+0x160/0x160 [ 391.312826] ? lapic_next_event+0x5a/0x90 [ 391.316973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.322509] ? check_preemption_disabled+0x48/0x280 [ 391.327525] ? check_preemption_disabled+0x48/0x280 [ 391.332566] ? kvm_clock_read+0x18/0x30 [ 391.336543] ? kvm_sched_clock_read+0x9/0x20 [ 391.340975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.346534] ? check_preemption_disabled+0x48/0x280 [ 391.351565] irq_exit+0x17f/0x1c0 [ 391.355019] smp_apic_timer_interrupt+0x1cb/0x760 [ 391.359858] ? smp_reschedule_interrupt+0x109/0x650 [ 391.364873] ? smp_call_function_single_interrupt+0x650/0x650 [ 391.370760] ? interrupt_entry+0xb5/0xf0 [ 391.374825] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.379883] ? trace_hardirqs_off_caller+0xbb/0x310 [ 391.384917] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.389780] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.394795] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.399852] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.405395] ? check_preemption_disabled+0x48/0x280 [ 391.410414] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.415971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.420839] apic_timer_interrupt+0xf/0x20 [ 391.425065] [ 391.427304] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 391.432268] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 391.451173] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 391.458915] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 391.466186] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 391.473453] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 391.480738] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 391.488008] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 391.495320] skb_clone+0x1bb/0x500 [ 391.498863] ? finish_task_switch+0x1b4/0x910 [ 391.503362] ? skb_split+0x11e0/0x11e0 [ 391.507255] ? preempt_notifier_register+0x200/0x200 [ 391.512355] ? __switch_to_asm+0x34/0x70 [ 391.516413] ? __switch_to_asm+0x34/0x70 [ 391.520473] ? __switch_to_asm+0x40/0x70 [ 391.524531] ? __switch_to_asm+0x34/0x70 [ 391.528591] ? __switch_to_asm+0x40/0x70 [ 391.532652] ? __switch_to_asm+0x34/0x70 [ 391.536710] ? __switch_to_asm+0x40/0x70 [ 391.540771] ? __switch_to_asm+0x34/0x70 [ 391.544840] ? __switch_to_asm+0x34/0x70 [ 391.548927] ? __switch_to_asm+0x40/0x70 [ 391.552991] ? __switch_to_asm+0x34/0x70 [ 391.557059] bpf_clone_redirect+0xb9/0x490 [ 391.561298] ? __schedule+0x874/0x1ed0 [ 391.565207] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 391.570251] ? __sched_text_start+0x8/0x8 [ 391.574404] ? lockdep_hardirqs_on+0x421/0x5c0 [ 391.578986] ? retint_kernel+0x2d/0x2d [ 391.582873] ? trace_hardirqs_on_caller+0xc0/0x310 [ 391.587809] ? find_held_lock+0x36/0x1c0 [ 391.591894] ? lock_acquire+0x1ed/0x520 [ 391.595867] ? bpf_test_run+0x32e/0x5a0 [ 391.599843] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.605386] ? check_preemption_disabled+0x48/0x280 [ 391.610412] ? kasan_check_read+0x11/0x20 [ 391.614562] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.619841] ? rcu_bh_qs+0xc0/0xc0 [ 391.623384] ? preempt_schedule+0x4d/0x60 [ 391.627550] ? ___preempt_schedule+0x16/0x18 [ 391.631967] ? bpf_test_run+0x1c0/0x5a0 [ 391.635990] ? netlink_diag_dump+0x2a0/0x2a0 [ 391.640402] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.645943] ? bpf_test_init.isra.9+0x70/0x100 [ 391.650531] ? bpf_prog_test_run_skb+0x634/0xb40 [ 391.655295] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.660139] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 391.665680] ? fput+0x130/0x1a0 [ 391.668967] ? __bpf_prog_get+0x9b/0x290 [ 391.673036] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 391.677876] ? bpf_prog_test_run+0x130/0x1a0 [ 391.682287] ? __x64_sys_bpf+0x3d8/0x510 [ 391.686353] ? bpf_prog_get+0x20/0x20 [ 391.690188] ? do_syscall_64+0x1b9/0x820 [ 391.694263] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 391.699654] ? syscall_return_slowpath+0x5e0/0x5e0 [ 391.704590] ? trace_hardirqs_on_caller+0x310/0x310 [ 391.709612] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 391.714631] ? recalc_sigpending_tsk+0x180/0x180 [ 391.719394] ? kasan_check_write+0x14/0x20 [ 391.723640] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 391.728496] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 391.733889] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 391.733969] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 391.740639] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 391.740645] Call Trace: [ 391.740666] dump_stack+0x1c4/0x2b6 [ 391.740690] ? dump_stack_print_info.cold.1+0x20/0x20 [ 391.747247] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 391.756578] warn_alloc.cold.119+0xb7/0x1bd [ 391.759131] syz-executor1 cpuset= [ 391.762754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 391.767915] syz1 [ 391.778394] ? lock_downgrade+0x900/0x900 [ 391.782689] mems_allowed=0 [ 391.786138] ? trace_hardirqs_off+0xb8/0x310 [ 391.804397] ? trace_hardirqs_off+0xb8/0x310 [ 391.808816] __alloc_pages_slowpath+0x265e/0x2d70 [ 391.813692] ? warn_alloc+0x120/0x120 [ 391.817500] ? warn_alloc+0x120/0x120 [ 391.821303] ? print_usage_bug+0xc0/0xc0 [ 391.825365] ? warn_alloc+0x120/0x120 [ 391.829176] ? print_usage_bug+0xc0/0xc0 [ 391.833242] ? __lock_acquire+0x7ec/0x4ec0 [ 391.837510] ? __lock_acquire+0x7ec/0x4ec0 [ 391.841746] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 391.847282] ? should_fail+0x22d/0xd01 [ 391.851178] ? __lock_acquire+0x7ec/0x4ec0 [ 391.855419] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.860541] ? __lock_acquire+0x7ec/0x4ec0 [ 391.864795] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 391.869892] ? __lock_acquire+0x7ec/0x4ec0 [ 391.874122] ? should_fail+0x22d/0xd01 [ 391.878019] ? mark_held_locks+0x130/0x130 [ 391.882263] ? mark_held_locks+0x130/0x130 [ 391.886506] ? graph_lock+0x170/0x170 [ 391.890319] ? print_usage_bug+0xc0/0xc0 [ 391.894384] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.899927] ? check_preemption_disabled+0x48/0x280 [ 391.904946] ? check_preemption_disabled+0x48/0x280 [ 391.909994] ? __lock_is_held+0xb5/0x140 [ 391.914079] __alloc_pages_nodemask+0xa80/0xde0 [ 391.918771] ? graph_lock+0x170/0x170 [ 391.922586] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 391.927631] ? graph_lock+0x170/0x170 [ 391.931452] ? find_held_lock+0x36/0x1c0 [ 391.935552] ? ____cache_alloc_node+0x1c7/0x1e0 [ 391.940245] ? lock_downgrade+0x900/0x900 [ 391.944415] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.949966] cache_grow_begin+0x91/0x8c0 [ 391.954033] ? do_raw_spin_unlock+0xa7/0x330 [ 391.958455] fallback_alloc+0x203/0x2e0 [ 391.962442] ____cache_alloc_node+0x1c7/0x1e0 [ 391.966943] kmem_cache_alloc_node+0xe3/0x730 [ 391.971447] ? ipv6_get_ifaddr+0x42e/0x620 [ 391.975701] __alloc_skb+0x119/0x770 [ 391.979427] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 391.984729] ? skb_scrub_packet+0x490/0x490 [ 391.989055] ? lock_downgrade+0x900/0x900 [ 391.993213] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 391.998755] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.004211] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.009664] ? addrconf_rs_timer+0x690/0x690 [ 392.014114] ndisc_alloc_skb+0x144/0x340 [ 392.018208] ndisc_send_rs+0x331/0x6e0 [ 392.022123] addrconf_rs_timer+0x314/0x690 [ 392.026389] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.030652] call_timer_fn+0x272/0x920 [ 392.034582] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.038820] ? process_timeout+0x40/0x40 [ 392.042880] ? find_held_lock+0x36/0x1c0 [ 392.046951] ? __run_timers+0x7da/0xc70 [ 392.050989] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.055485] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.059984] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.064227] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 392.068900] ? trace_hardirqs_on+0xbd/0x310 [ 392.073226] ? kasan_check_read+0x11/0x20 [ 392.077378] ? __run_timers+0x7da/0xc70 [ 392.081381] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.086844] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.091094] __run_timers+0x7e5/0xc70 [ 392.094912] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 392.100293] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.104786] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.109283] ? lockdep_hardirqs_on+0x421/0x5c0 [ 392.113867] ? trace_hardirqs_on+0xbd/0x310 [ 392.118205] ? kasan_check_read+0x11/0x20 [ 392.122371] ? finish_task_switch+0x1f4/0x910 [ 392.126876] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.132331] ? compat_start_thread+0x80/0x80 [ 392.136784] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.142356] ? pvclock_read_flags+0x160/0x160 [ 392.146853] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.152408] ? check_preemption_disabled+0x48/0x280 [ 392.157461] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 392.162999] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.168277] ? rcu_pm_notify+0xc0/0xc0 [ 392.172174] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.177716] ? check_preemption_disabled+0x48/0x280 [ 392.182742] run_timer_softirq+0x52/0xb0 [ 392.186801] ? rcu_read_lock_sched_held+0x108/0x120 [ 392.191821] __do_softirq+0x30c/0xb03 [ 392.195654] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 392.200756] ? trace_hardirqs_off+0xb8/0x310 [ 392.205184] ? schedule+0x108/0x460 [ 392.208861] ? trace_hardirqs_off+0xb8/0x310 [ 392.213271] ? smpboot_thread_fn+0x68b/0xa00 [ 392.217698] ? trace_hardirqs_on+0x310/0x310 [ 392.222109] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.227693] ? check_preemption_disabled+0x48/0x280 [ 392.232713] ? takeover_tasklets+0xa90/0xa90 [ 392.237148] run_ksoftirqd+0x94/0x100 [ 392.240972] smpboot_thread_fn+0x68b/0xa00 [ 392.245223] ? sort_range+0x30/0x30 [ 392.248853] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 392.253977] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.259517] ? __kthread_parkme+0xfb/0x1a0 [ 392.263758] kthread+0x35a/0x420 [ 392.267124] ? sort_range+0x30/0x30 [ 392.270744] ? kthread_bind+0x40/0x40 [ 392.274564] ret_from_fork+0x3a/0x50 [ 392.278295] warn_alloc_show_mem: 1 callbacks suppressed [ 392.278307] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 392.278309] Mem-Info: [ 392.278340] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 392.278340] active_file:15 inactive_file:13 isolated_file:0 [ 392.278340] unevictable:0 dirty:0 writeback:0 unstable:0 [ 392.278340] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 392.278340] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 392.278340] free:13788 free_pcp:609 free_cma:0 [ 392.283680] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 392.290959] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 392.290967] Node 0 [ 392.293401] Call Trace: [ 392.326298] 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 [ 392.335625] [ 392.363116] lowmem_reserve[]: [ 392.365365] dump_stack+0x1c4/0x2b6 [ 392.367912] 0 2819 [ 392.393443] ? dump_stack_print_info.cold.1+0x20/0x20 [ 392.395562] 6323 [ 392.398704] warn_alloc.cold.119+0xb7/0x1bd [ 392.402294] 6323 [ 392.404542] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 392.409709] Node 0 [ 392.411765] ? lock_downgrade+0x900/0x900 [ 392.416080] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 392.418137] ? trace_hardirqs_off+0xb8/0x310 [ 392.422973] lowmem_reserve[]: [ 392.425210] ? trace_hardirqs_off+0xb8/0x310 [ 392.429355] 0 0 [ 392.456254] __alloc_pages_slowpath+0x265e/0x2d70 [ 392.460635] 3503 [ 392.463763] ? warn_alloc+0x120/0x120 [ 392.468132] 3503 [ 392.470106] ? lock_release+0x970/0x970 [ 392.476993] ? warn_alloc+0x120/0x120 [ 392.480784] Node 0 [ 392.482837] ? print_usage_bug+0xc0/0xc0 [ 392.486813] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 392.490580] ? warn_alloc+0x120/0x120 [ 392.492792] lowmem_reserve[]: [ 392.496845] ? print_usage_bug+0xc0/0xc0 [ 392.525193] 0 [ 392.529019] ? __lock_acquire+0x7ec/0x4ec0 [ 392.532096] 0 [ 392.536149] ? __lock_acquire+0x7ec/0x4ec0 [ 392.537927] 0 0 [ 392.542175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.543954] Node 0 [ 392.548192] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 392.550143] DMA: [ 392.555679] ? should_fail+0x22d/0xd01 [ 392.557895] 1*4kB [ 392.563423] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.565461] (U) [ 392.569338] ? __lock_acquire+0x7ec/0x4ec0 [ 392.571483] 0*8kB [ 392.576610] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 392.578561] 0*16kB [ 392.582791] ? __lock_acquire+0x7ec/0x4ec0 [ 392.584918] 1*32kB [ 392.590016] ? should_fail+0x22d/0xd01 [ 392.592227] (U) [ 392.596462] ? mark_held_locks+0x130/0x130 [ 392.598687] 2*64kB [ 392.602571] ? mark_held_locks+0x130/0x130 [ 392.604521] (U) [ 392.608747] ? graph_lock+0x170/0x170 [ 392.610961] 1*128kB [ 392.615195] ? print_usage_bug+0xc0/0xc0 [ 392.617171] (U) [ 392.620973] ? graph_lock+0x170/0x170 [ 392.623275] 1*256kB [ 392.627323] ? print_usage_bug+0xc0/0xc0 [ 392.629270] (U) [ 392.633094] ? wq_watchdog_touch+0x9c/0xfe [ 392.635397] 0*512kB [ 392.639444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.639463] ? check_preemption_disabled+0x48/0x280 [ 392.641418] 1*1024kB [ 392.645654] ? check_preemption_disabled+0x48/0x280 [ 392.647957] (U) [ 392.653493] ? __lock_is_held+0xb5/0x140 [ 392.658479] 1*2048kB [ 392.660884] __alloc_pages_nodemask+0xa80/0xde0 [ 392.665871] (M) [ 392.667839] ? graph_lock+0x170/0x170 [ 392.671877] 3*4096kB [ 392.674320] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 392.678980] (M) [ 392.680966] ? graph_lock+0x170/0x170 [ 392.684739] = 15908kB [ 392.684747] Node 0 [ 392.687163] ? find_held_lock+0x36/0x1c0 [ 392.692147] DMA32: [ 392.694131] ? ____cache_alloc_node+0x1c7/0x1e0 [ 392.697918] 5*4kB [ 392.700338] ? lock_downgrade+0x900/0x900 [ 392.702550] (UM) [ 392.706617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.708834] 0*8kB [ 392.713534] cache_grow_begin+0x91/0x8c0 [ 392.715657] 3*16kB [ 392.719796] ? do_raw_spin_unlock+0xa7/0x330 [ 392.721837] (UM) [ 392.727373] fallback_alloc+0x203/0x2e0 [ 392.729506] 2*32kB [ 392.733596] ____cache_alloc_node+0x1c7/0x1e0 [ 392.735807] (M) [ 392.740232] kmem_cache_alloc_node+0xe3/0x730 [ 392.742271] 5*64kB [ 392.746247] ? ipv6_get_ifaddr+0x42e/0x620 [ 392.748471] (UM) [ 392.752982] __alloc_skb+0x119/0x770 [ 392.754944] 4*128kB [ 392.759448] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 392.759466] ? skb_scrub_packet+0x490/0x490 [ 392.761682] (UM) [ 392.765913] ? lock_downgrade+0x900/0x900 [ 392.767968] 3*256kB [ 392.771675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 392.773963] (M) 4*512kB [ 392.779239] ? refcount_sub_and_test_checked+0x203/0x310 [ 392.783765] (UM) 3*1024kB [ 392.785855] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 392.789980] (UM) [ 392.792296] ? addrconf_rs_timer+0x690/0x690 [ 392.797804] 3*2048kB [ 392.800477] ndisc_alloc_skb+0x144/0x340 [ 392.805896] (M) [ 392.808741] ndisc_send_rs+0x331/0x6e0 [ 392.814186] 3*4096kB [ 392.816269] addrconf_rs_timer+0x314/0x690 [ 392.820665] (M) = 25284kB [ 392.823084] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.827116] Node 0 [ 392.829092] call_timer_fn+0x272/0x920 [ 392.832948] Normal: [ 392.835351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.839564] 888*4kB [ 392.842315] ? process_timeout+0x40/0x40 [ 392.846522] (UMEH) [ 392.848752] ? find_held_lock+0x36/0x1c0 [ 392.852613] 387*8kB (UME) [ 392.854948] ? __run_timers+0x7da/0xc70 [ 392.859145] 157*16kB (UME) [ 392.861481] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.865532] 53*32kB (UMEH) [ 392.867798] ? _raw_spin_unlock_irq+0x27/0x80 [ 392.871833] 26*64kB [ 392.874675] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.878617] (UMH) 4*128kB [ 392.881552] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 392.886021] (UMH) [ 392.888949] ? trace_hardirqs_on+0xbd/0x310 [ 392.893421] 0*256kB [ 392.895745] ? kasan_check_read+0x11/0x20 [ 392.899952] 0*512kB [ 392.902790] ? __run_timers+0x7da/0xc70 [ 392.907342] 1*1024kB (H) [ 392.909500] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 392.914035] 0*2048kB 0*4096kB [ 392.916369] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.920490] = 14056kB [ 392.922809] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 392.926764] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 392.929524] __run_timers+0x7e5/0xc70 [ 392.934988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 392.938230] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 392.942436] 147 total pagecache pages [ 392.944833] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 392.949050] 0 pages in swap cache [ 392.957874] ? graph_lock+0x170/0x170 [ 392.961654] Swap cache stats: add 0, delete 0, find 0/0 [ 392.970220] ? enqueue_hrtimer+0x1a5/0x560 [ 392.975575] Free swap = 0kB [ 392.979381] ? lock_release+0x970/0x970 [ 392.984376] Total swap = 0kB [ 392.987834] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 392.991613] 1965979 pages RAM [ 392.996974] ? find_held_lock+0x36/0x1c0 [ 393.001188] 0 pages HighMem/MovableOnly [ 393.004200] ? graph_lock+0x170/0x170 [ 393.008170] 342307 pages reserved [ 393.011188] ? pvclock_read_flags+0x160/0x160 [ 393.016377] 0 pages cma reserved [ 393.016463] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.019484] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.023606] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.027520] ? check_preemption_disabled+0x48/0x280 [ 393.031308] ksoftirqd/0 cpuset= [ 393.034762] ? __lock_is_held+0xb5/0x140 [ 393.039227] / [ 393.042599] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.049067] mems_allowed=0 [ 393.054600] ? check_preemption_disabled+0x48/0x280 [ 393.092395] run_timer_softirq+0x52/0xb0 [ 393.096462] ? rcu_read_lock_sched_held+0x108/0x120 [ 393.101495] __do_softirq+0x30c/0xb03 [ 393.105339] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 393.110465] ? pvclock_read_flags+0x160/0x160 [ 393.114963] ? lapic_next_event+0x5a/0x90 [ 393.119111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.124651] ? check_preemption_disabled+0x48/0x280 [ 393.129680] ? check_preemption_disabled+0x48/0x280 [ 393.134708] ? kvm_clock_read+0x18/0x30 [ 393.138686] ? kvm_sched_clock_read+0x9/0x20 [ 393.143111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.148652] ? check_preemption_disabled+0x48/0x280 [ 393.153684] irq_exit+0x17f/0x1c0 [ 393.157138] smp_apic_timer_interrupt+0x1cb/0x760 [ 393.161988] ? smp_reschedule_interrupt+0x109/0x650 [ 393.167008] ? smp_call_function_single_interrupt+0x650/0x650 [ 393.172910] ? interrupt_entry+0xb5/0xf0 [ 393.176992] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.182021] ? trace_hardirqs_off_caller+0xbb/0x310 [ 393.187054] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.191909] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.196935] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.201953] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.207509] ? check_preemption_disabled+0x48/0x280 [ 393.212526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.218074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.222927] apic_timer_interrupt+0xf/0x20 [ 393.227167] [ 393.229408] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 393.234363] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 393.253265] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 393.260975] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 393.268260] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 393.275529] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 393.282794] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 393.290062] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 393.297406] skb_clone+0x1bb/0x500 [ 393.300952] ? finish_task_switch+0x1b4/0x910 [ 393.305449] ? skb_split+0x11e0/0x11e0 [ 393.309340] ? preempt_notifier_register+0x200/0x200 [ 393.314442] ? __switch_to_asm+0x34/0x70 [ 393.318508] ? __switch_to_asm+0x34/0x70 [ 393.322566] ? __switch_to_asm+0x40/0x70 [ 393.326628] ? __switch_to_asm+0x34/0x70 [ 393.330685] ? __switch_to_asm+0x40/0x70 [ 393.334745] ? __switch_to_asm+0x34/0x70 [ 393.338805] ? __switch_to_asm+0x40/0x70 [ 393.342863] ? __switch_to_asm+0x34/0x70 [ 393.346922] ? __switch_to_asm+0x34/0x70 [ 393.350986] ? __switch_to_asm+0x40/0x70 [ 393.355044] ? __switch_to_asm+0x34/0x70 [ 393.359116] bpf_clone_redirect+0xb9/0x490 [ 393.363358] ? __schedule+0x874/0x1ed0 [ 393.367280] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 393.372298] ? __sched_text_start+0x8/0x8 [ 393.376479] ? lockdep_hardirqs_on+0x421/0x5c0 [ 393.381061] ? retint_kernel+0x2d/0x2d [ 393.384955] ? trace_hardirqs_on_caller+0xc0/0x310 [ 393.389923] ? find_held_lock+0x36/0x1c0 [ 393.394020] ? lock_acquire+0x1ed/0x520 [ 393.397997] ? bpf_test_run+0x32e/0x5a0 [ 393.401975] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.407539] ? check_preemption_disabled+0x48/0x280 [ 393.412563] ? kasan_check_read+0x11/0x20 [ 393.416714] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.421993] ? rcu_bh_qs+0xc0/0xc0 [ 393.425537] ? preempt_schedule+0x4d/0x60 [ 393.429689] ? ___preempt_schedule+0x16/0x18 [ 393.434106] ? bpf_test_run+0x1c0/0x5a0 [ 393.438096] ? netlink_diag_dump+0x2a0/0x2a0 [ 393.442530] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.448113] ? bpf_test_init.isra.9+0x70/0x100 [ 393.452705] ? bpf_prog_test_run_skb+0x634/0xb40 [ 393.457467] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.462343] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 393.467878] ? fput+0x130/0x1a0 [ 393.471165] ? __bpf_prog_get+0x9b/0x290 [ 393.475244] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 393.480085] ? bpf_prog_test_run+0x130/0x1a0 [ 393.484498] ? __x64_sys_bpf+0x3d8/0x510 [ 393.488561] ? bpf_prog_get+0x20/0x20 [ 393.492386] ? do_syscall_64+0x1b9/0x820 [ 393.496450] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 393.501833] ? syscall_return_slowpath+0x5e0/0x5e0 [ 393.506767] ? trace_hardirqs_on_caller+0x310/0x310 [ 393.511788] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 393.516807] ? recalc_sigpending_tsk+0x180/0x180 [ 393.521614] ? kasan_check_write+0x14/0x20 [ 393.525858] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 393.530709] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 393.536092] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 393.536188] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 393.542859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 393.542865] Call Trace: [ 393.542886] dump_stack+0x1c4/0x2b6 [ 393.542905] ? dump_stack_print_info.cold.1+0x20/0x20 [ 393.542931] warn_alloc.cold.119+0xb7/0x1bd [ 393.549457] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 393.558754] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 393.561313] syz-executor1 cpuset= [ 393.564936] ? lock_downgrade+0x900/0x900 [ 393.570107] syz1 [ 393.574424] ? trace_hardirqs_off+0xb8/0x310 [ 393.584882] mems_allowed=0 [ 393.589721] ? trace_hardirqs_off+0xb8/0x310 [ 393.611002] __alloc_pages_slowpath+0x265e/0x2d70 [ 393.615892] ? warn_alloc+0x120/0x120 [ 393.619700] ? warn_alloc+0x120/0x120 [ 393.623571] ? print_usage_bug+0xc0/0xc0 [ 393.627638] ? warn_alloc+0x120/0x120 [ 393.631448] ? print_usage_bug+0xc0/0xc0 [ 393.635509] ? __lock_acquire+0x7ec/0x4ec0 [ 393.639743] ? __lock_acquire+0x7ec/0x4ec0 [ 393.643977] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.649516] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 393.655057] ? should_fail+0x22d/0xd01 [ 393.658970] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.664093] ? __lock_acquire+0x7ec/0x4ec0 [ 393.668337] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 393.673442] ? __lock_acquire+0x7ec/0x4ec0 [ 393.677679] ? should_fail+0x22d/0xd01 [ 393.681579] ? mark_held_locks+0x130/0x130 [ 393.685816] ? mark_held_locks+0x130/0x130 [ 393.690056] ? mark_held_locks+0xc7/0x130 [ 393.694201] ? print_usage_bug+0xc0/0xc0 [ 393.698262] ? graph_lock+0x170/0x170 [ 393.702062] ? print_usage_bug+0xc0/0xc0 [ 393.706130] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.711680] ? check_preemption_disabled+0x48/0x280 [ 393.716700] ? check_preemption_disabled+0x48/0x280 [ 393.721726] ? __lock_is_held+0xb5/0x140 [ 393.725801] __alloc_pages_nodemask+0xa80/0xde0 [ 393.730474] ? graph_lock+0x170/0x170 [ 393.734280] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 393.739296] ? graph_lock+0x170/0x170 [ 393.743108] ? find_held_lock+0x36/0x1c0 [ 393.747187] ? ____cache_alloc_node+0x1c7/0x1e0 [ 393.751861] ? lock_downgrade+0x900/0x900 [ 393.756022] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.761569] cache_grow_begin+0x91/0x8c0 [ 393.765633] ? do_raw_spin_unlock+0xa7/0x330 [ 393.770052] fallback_alloc+0x203/0x2e0 [ 393.774038] ____cache_alloc_node+0x1c7/0x1e0 [ 393.778543] kmem_cache_alloc_node+0xe3/0x730 [ 393.783069] ? ipv6_get_ifaddr+0x42e/0x620 [ 393.787317] __alloc_skb+0x119/0x770 [ 393.791034] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.796314] ? skb_scrub_packet+0x490/0x490 [ 393.800637] ? lock_downgrade+0x900/0x900 [ 393.804792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.810335] ? refcount_sub_and_test_checked+0x203/0x310 [ 393.815793] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 393.821246] ? addrconf_rs_timer+0x690/0x690 [ 393.825673] ndisc_alloc_skb+0x144/0x340 [ 393.829740] ndisc_send_rs+0x331/0x6e0 [ 393.833638] addrconf_rs_timer+0x314/0x690 [ 393.837881] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.842133] call_timer_fn+0x272/0x920 [ 393.846034] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.850270] ? process_timeout+0x40/0x40 [ 393.854329] ? find_held_lock+0x36/0x1c0 [ 393.858401] ? __run_timers+0x7da/0xc70 [ 393.862382] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.866877] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.871373] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.875659] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 393.880246] ? trace_hardirqs_on+0xbd/0x310 [ 393.884602] ? kasan_check_read+0x11/0x20 [ 393.888765] ? __run_timers+0x7da/0xc70 [ 393.892758] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.898219] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.902465] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 393.906704] __run_timers+0x7e5/0xc70 [ 393.910518] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 393.915888] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.920384] ? _raw_spin_unlock_irq+0x27/0x80 [ 393.924879] ? lockdep_hardirqs_on+0x421/0x5c0 [ 393.929467] ? trace_hardirqs_on+0xbd/0x310 [ 393.933790] ? kasan_check_read+0x11/0x20 [ 393.937954] ? finish_task_switch+0x1f4/0x910 [ 393.942456] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 393.947910] ? compat_start_thread+0x80/0x80 [ 393.952323] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.957876] ? pvclock_read_flags+0x160/0x160 [ 393.962373] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.967914] ? check_preemption_disabled+0x48/0x280 [ 393.972942] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 393.978482] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 393.983761] ? rcu_pm_notify+0xc0/0xc0 [ 393.987655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 393.993197] ? check_preemption_disabled+0x48/0x280 [ 393.998223] run_timer_softirq+0x52/0xb0 [ 394.002289] ? rcu_read_lock_sched_held+0x108/0x120 [ 394.007309] __do_softirq+0x30c/0xb03 [ 394.011126] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.016297] ? trace_hardirqs_off+0xb8/0x310 [ 394.020729] ? schedule+0x108/0x460 [ 394.024386] ? trace_hardirqs_off+0xb8/0x310 [ 394.028796] ? smpboot_thread_fn+0x68b/0xa00 [ 394.033211] ? trace_hardirqs_on+0x310/0x310 [ 394.037624] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.043173] ? check_preemption_disabled+0x48/0x280 [ 394.048202] ? takeover_tasklets+0xa90/0xa90 [ 394.052616] run_ksoftirqd+0x94/0x100 [ 394.056419] smpboot_thread_fn+0x68b/0xa00 [ 394.060665] ? sort_range+0x30/0x30 [ 394.064294] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 394.069399] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.074939] ? __kthread_parkme+0xfb/0x1a0 [ 394.079189] kthread+0x35a/0x420 [ 394.082561] ? sort_range+0x30/0x30 [ 394.086196] ? kthread_bind+0x40/0x40 [ 394.089998] ret_from_fork+0x3a/0x50 [ 394.093779] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 394.093785] warn_alloc_show_mem: 1 callbacks suppressed [ 394.093792] Mem-Info: [ 394.101063] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 394.106439] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 394.106439] active_file:15 inactive_file:13 isolated_file:0 [ 394.106439] unevictable:0 dirty:0 writeback:0 unstable:0 [ 394.106439] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 394.106439] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 394.106439] free:13788 free_pcp:609 free_cma:0 [ 394.108837] Call Trace: [ 394.118257] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 394.151108] [ 394.153682] Node 0 [ 394.181210] dump_stack+0x1c4/0x2b6 [ 394.183356] 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 [ 394.185569] ? dump_stack_print_info.cold.1+0x20/0x20 [ 394.189174] lowmem_reserve[]: [ 394.214691] warn_alloc.cold.119+0xb7/0x1bd [ 394.219850] 0 [ 394.222997] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 394.227290] 2819 [ 394.229087] ? lock_downgrade+0x900/0x900 [ 394.233902] 6323 [ 394.235966] ? trace_hardirqs_off+0xb8/0x310 [ 394.240102] 6323 [ 394.242171] ? trace_hardirqs_off+0xb8/0x310 [ 394.246555] Node 0 [ 394.248619] __alloc_pages_slowpath+0x265e/0x2d70 [ 394.253020] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 394.255251] ? warn_alloc+0x120/0x120 [ 394.260033] lowmem_reserve[]: 0 [ 394.286945] ? warn_alloc+0x120/0x120 [ 394.290712] 0 [ 394.293986] ? print_usage_bug+0xc0/0xc0 [ 394.297774] 3503 [ 394.299576] ? warn_alloc+0x120/0x120 [ 394.303609] 3503 [ 394.305677] ? print_usage_bug+0xc0/0xc0 [ 394.309454] Node 0 [ 394.311509] ? __lock_acquire+0x7ec/0x4ec0 [ 394.315573] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 394.317775] ? __lock_acquire+0x7ec/0x4ec0 [ 394.321979] lowmem_reserve[]: 0 [ 394.350361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.354571] 0 [ 394.357844] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 394.363354] 0 [ 394.365151] ? should_fail+0x22d/0xd01 [ 394.370670] 0 [ 394.372469] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.378129] ? __lock_acquire+0x7ec/0x4ec0 [ 394.383209] Node 0 DMA: [ 394.387439] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 394.387455] ? __lock_acquire+0x7ec/0x4ec0 [ 394.390107] 1*4kB [ 394.395204] ? should_fail+0x22d/0xd01 [ 394.399414] (U) [ 394.401562] ? mark_held_locks+0x130/0x130 [ 394.405418] 0*8kB [ 394.407390] ? mark_held_locks+0x130/0x130 [ 394.411594] 0*16kB 1*32kB [ 394.413745] ? graph_lock+0x170/0x170 [ 394.417961] (U) [ 394.420806] ? print_usage_bug+0xc0/0xc0 [ 394.424580] 2*64kB (U) [ 394.426556] ? graph_lock+0x170/0x170 [ 394.430592] 1*128kB [ 394.433190] ? print_usage_bug+0xc0/0xc0 [ 394.436966] (U) [ 394.439288] ? wq_watchdog_touch+0x9c/0xfe [ 394.443324] 1*256kB [ 394.445299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.449508] (U) [ 394.451835] ? check_preemption_disabled+0x48/0x280 [ 394.457340] 0*512kB 1*1024kB [ 394.459324] ? check_preemption_disabled+0x48/0x280 [ 394.464313] (U) [ 394.467422] ? __lock_is_held+0xb5/0x140 [ 394.472404] 1*2048kB (M) [ 394.474386] __alloc_pages_nodemask+0xa80/0xde0 [ 394.478416] 3*4096kB (M) [ 394.481184] ? graph_lock+0x170/0x170 [ 394.485831] = 15908kB [ 394.488581] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 394.492361] Node 0 [ 394.494762] ? graph_lock+0x170/0x170 [ 394.499748] DMA32: 5*4kB [ 394.501997] ? find_held_lock+0x36/0x1c0 [ 394.505767] (UM) [ 394.508524] ? ____cache_alloc_node+0x1c7/0x1e0 [ 394.512559] 0*8kB [ 394.514619] ? lock_downgrade+0x900/0x900 [ 394.519262] 3*16kB [ 394.521408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.525526] (UM) [ 394.527758] cache_grow_begin+0x91/0x8c0 [ 394.533264] 2*32kB (M) [ 394.535334] ? do_raw_spin_unlock+0xa7/0x330 [ 394.539365] 5*64kB (UM) [ 394.541962] fallback_alloc+0x203/0x2e0 [ 394.546352] 4*128kB (UM) [ 394.549034] ____cache_alloc_node+0x1c7/0x1e0 [ 394.552978] 3*256kB [ 394.555732] kmem_cache_alloc_node+0xe3/0x730 [ 394.560207] (M) [ 394.562527] ? ipv6_get_ifaddr+0x42e/0x620 [ 394.566993] 4*512kB [ 394.568970] __alloc_skb+0x119/0x770 [ 394.573183] (UM) [ 394.575503] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 394.579191] 3*1024kB [ 394.581247] ? skb_scrub_packet+0x490/0x490 [ 394.586500] (UM) [ 394.588903] ? lock_downgrade+0x900/0x900 [ 394.593216] 3*2048kB [ 394.595276] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.599395] (M) [ 394.601802] ? refcount_sub_and_test_checked+0x203/0x310 [ 394.607316] 3*4096kB [ 394.609290] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 394.614715] (M) [ 394.617121] ? addrconf_rs_timer+0x690/0x690 [ 394.622542] = 25284kB [ 394.624519] ndisc_alloc_skb+0x144/0x340 [ 394.628892] Node 0 [ 394.631299] ndisc_send_rs+0x331/0x6e0 [ 394.635335] Normal: [ 394.637567] addrconf_rs_timer+0x314/0x690 [ 394.641425] 888*4kB [ 394.643743] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.647949] (UMEH) [ 394.650276] call_timer_fn+0x272/0x920 [ 394.654501] 387*8kB [ 394.656734] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.660596] (UME) [ 394.662918] ? process_timeout+0x40/0x40 [ 394.667129] 157*16kB [ 394.669271] ? find_held_lock+0x36/0x1c0 [ 394.673308] (UME) [ 394.675717] ? __run_timers+0x7da/0xc70 [ 394.679744] 53*32kB (UMEH) [ 394.681897] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.685841] 26*64kB (UMH) [ 394.688771] ? _raw_spin_unlock_irq+0x27/0x80 [ 394.693246] 4*128kB [ 394.696083] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.700552] (UMH) [ 394.702871] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 394.707076] 0*256kB 0*512kB [ 394.709231] ? trace_hardirqs_on+0xbd/0x310 [ 394.714418] 1*1024kB [ 394.717436] ? kasan_check_read+0x11/0x20 [ 394.721750] (H) [ 394.724163] ? __run_timers+0x7da/0xc70 [ 394.728286] 0*2048kB [ 394.730260] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 394.734203] 0*4096kB = 14056kB [ 394.736621] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.742051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 394.745232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 394.749451] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 394.758276] __run_timers+0x7e5/0xc70 [ 394.762499] 147 total pagecache pages [ 394.771074] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 394.774845] 0 pages in swap cache [ 394.778634] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 394.784219] Swap cache stats: add 0, delete 0, find 0/0 [ 394.784228] Free swap = 0kB [ 394.787678] ? graph_lock+0x170/0x170 [ 394.792668] Total swap = 0kB [ 394.798022] ? enqueue_hrtimer+0x1a5/0x560 [ 394.801020] 1965979 pages RAM [ 394.804813] ? lock_release+0x970/0x970 [ 394.807802] 0 pages HighMem/MovableOnly [ 394.807810] 342307 pages reserved [ 394.812074] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 394.815168] 0 pages cma reserved [ 394.819154] ? find_held_lock+0x36/0x1c0 [ 394.823194] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 394.826575] ? graph_lock+0x170/0x170 [ 394.831847] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 394.835107] ? pvclock_read_flags+0x160/0x160 [ 394.839148] ksoftirqd/0 cpuset= [ 394.845646] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.849433] / [ 394.859742] ? check_preemption_disabled+0x48/0x280 [ 394.864211] mems_allowed=0 [ 394.867487] ? __lock_is_held+0xb5/0x140 [ 394.886655] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.892194] ? check_preemption_disabled+0x48/0x280 [ 394.897219] run_timer_softirq+0x52/0xb0 [ 394.901283] ? rcu_read_lock_sched_held+0x108/0x120 [ 394.906301] __do_softirq+0x30c/0xb03 [ 394.910116] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 394.915749] ? pvclock_read_flags+0x160/0x160 [ 394.920253] ? lapic_next_event+0x5a/0x90 [ 394.924408] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.929954] ? check_preemption_disabled+0x48/0x280 [ 394.934970] ? check_preemption_disabled+0x48/0x280 [ 394.939993] ? kvm_clock_read+0x18/0x30 [ 394.943966] ? kvm_sched_clock_read+0x9/0x20 [ 394.948377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 394.953915] ? check_preemption_disabled+0x48/0x280 [ 394.959356] irq_exit+0x17f/0x1c0 [ 394.962815] smp_apic_timer_interrupt+0x1cb/0x760 [ 394.967657] ? smp_reschedule_interrupt+0x109/0x650 [ 394.972675] ? smp_call_function_single_interrupt+0x650/0x650 [ 394.978561] ? interrupt_entry+0xb5/0xf0 [ 394.982629] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.987646] ? trace_hardirqs_off_caller+0xbb/0x310 [ 394.992680] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 394.997527] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.002548] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.007597] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.013153] ? check_preemption_disabled+0x48/0x280 [ 395.018186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.023738] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.028592] apic_timer_interrupt+0xf/0x20 [ 395.032823] [ 395.035068] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 395.040002] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 395.058909] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 395.066633] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 395.073904] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 395.081185] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 395.088472] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 395.095740] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 395.103054] skb_clone+0x1bb/0x500 [ 395.106597] ? finish_task_switch+0x1b4/0x910 [ 395.111092] ? skb_split+0x11e0/0x11e0 [ 395.114980] ? preempt_notifier_register+0x200/0x200 [ 395.120116] ? __switch_to_asm+0x34/0x70 [ 395.124188] ? __switch_to_asm+0x34/0x70 [ 395.128247] ? __switch_to_asm+0x40/0x70 [ 395.132305] ? __switch_to_asm+0x34/0x70 [ 395.136362] ? __switch_to_asm+0x40/0x70 [ 395.140424] ? __switch_to_asm+0x34/0x70 [ 395.144483] ? __switch_to_asm+0x40/0x70 [ 395.148545] ? __switch_to_asm+0x34/0x70 [ 395.152607] ? __switch_to_asm+0x34/0x70 [ 395.156664] ? __switch_to_asm+0x40/0x70 [ 395.160727] ? __switch_to_asm+0x34/0x70 [ 395.164796] bpf_clone_redirect+0xb9/0x490 [ 395.169034] ? __schedule+0x874/0x1ed0 [ 395.172933] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 395.177957] ? __sched_text_start+0x8/0x8 [ 395.182118] ? lockdep_hardirqs_on+0x421/0x5c0 [ 395.186701] ? retint_kernel+0x2d/0x2d [ 395.190592] ? trace_hardirqs_on_caller+0xc0/0x310 [ 395.195531] ? find_held_lock+0x36/0x1c0 [ 395.199601] ? lock_acquire+0x1ed/0x520 [ 395.203574] ? bpf_test_run+0x32e/0x5a0 [ 395.207557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.213099] ? check_preemption_disabled+0x48/0x280 [ 395.218128] ? kasan_check_read+0x11/0x20 [ 395.222288] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.227573] ? rcu_bh_qs+0xc0/0xc0 [ 395.231120] ? preempt_schedule+0x4d/0x60 [ 395.235270] ? ___preempt_schedule+0x16/0x18 [ 395.239689] ? bpf_test_run+0x1c0/0x5a0 [ 395.243683] ? netlink_diag_dump+0x2a0/0x2a0 [ 395.248100] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.253636] ? bpf_test_init.isra.9+0x70/0x100 [ 395.258226] ? bpf_prog_test_run_skb+0x634/0xb40 [ 395.262997] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 395.267843] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 395.273382] ? fput+0x130/0x1a0 [ 395.276667] ? __bpf_prog_get+0x9b/0x290 [ 395.280730] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 395.285573] ? bpf_prog_test_run+0x130/0x1a0 [ 395.289988] ? __x64_sys_bpf+0x3d8/0x510 [ 395.294049] ? bpf_prog_get+0x20/0x20 [ 395.297871] ? do_syscall_64+0x1b9/0x820 [ 395.301944] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 395.307317] ? syscall_return_slowpath+0x5e0/0x5e0 [ 395.312270] ? trace_hardirqs_on_caller+0x310/0x310 [ 395.317295] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 395.322315] ? recalc_sigpending_tsk+0x180/0x180 [ 395.327077] ? kasan_check_write+0x14/0x20 [ 395.331324] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 395.336189] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 395.341580] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 395.341655] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 395.348341] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.348350] Call Trace: [ 395.354936] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 395.364199] dump_stack+0x1c4/0x2b6 [ 395.366763] syz-executor1 cpuset= [ 395.377364] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.380961] syz1 [ 395.384423] warn_alloc.cold.119+0xb7/0x1bd [ 395.389577] mems_allowed=0 [ 395.391550] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 395.403608] ? lock_downgrade+0x900/0x900 [ 395.407769] ? trace_hardirqs_off+0xb8/0x310 [ 395.412191] ? trace_hardirqs_off+0xb8/0x310 [ 395.416616] __alloc_pages_slowpath+0x265e/0x2d70 [ 395.421503] ? warn_alloc+0x120/0x120 [ 395.425315] ? warn_alloc+0x120/0x120 [ 395.429122] ? print_usage_bug+0xc0/0xc0 [ 395.433197] ? warn_alloc+0x120/0x120 [ 395.437003] ? print_usage_bug+0xc0/0xc0 [ 395.441068] ? __lock_acquire+0x7ec/0x4ec0 [ 395.445305] ? __lock_acquire+0x7ec/0x4ec0 [ 395.449544] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.455085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.460624] ? should_fail+0x22d/0xd01 [ 395.464518] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.469632] ? __lock_acquire+0x7ec/0x4ec0 [ 395.473875] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 395.478980] ? __lock_acquire+0x7ec/0x4ec0 [ 395.483306] ? should_fail+0x22d/0xd01 [ 395.487206] ? mark_held_locks+0x130/0x130 [ 395.491457] ? mark_held_locks+0x130/0x130 [ 395.495700] ? mark_held_locks+0xc7/0x130 [ 395.499845] ? print_usage_bug+0xc0/0xc0 [ 395.503911] ? graph_lock+0x170/0x170 [ 395.507711] ? print_usage_bug+0xc0/0xc0 [ 395.511777] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.517325] ? check_preemption_disabled+0x48/0x280 [ 395.522344] ? check_preemption_disabled+0x48/0x280 [ 395.527376] ? __lock_is_held+0xb5/0x140 [ 395.531452] __alloc_pages_nodemask+0xa80/0xde0 [ 395.536124] ? graph_lock+0x170/0x170 [ 395.539938] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 395.544952] ? graph_lock+0x170/0x170 [ 395.548767] ? find_held_lock+0x36/0x1c0 [ 395.552841] ? ____cache_alloc_node+0x1c7/0x1e0 [ 395.557511] ? lock_downgrade+0x900/0x900 [ 395.561670] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.567219] cache_grow_begin+0x91/0x8c0 [ 395.571289] ? do_raw_spin_unlock+0xa7/0x330 [ 395.575708] fallback_alloc+0x203/0x2e0 [ 395.579694] ____cache_alloc_node+0x1c7/0x1e0 [ 395.584205] kmem_cache_alloc_node+0xe3/0x730 [ 395.588703] ? ipv6_get_ifaddr+0x42e/0x620 [ 395.592953] __alloc_skb+0x119/0x770 [ 395.596673] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.601956] ? skb_scrub_packet+0x490/0x490 [ 395.606283] ? lock_downgrade+0x900/0x900 [ 395.610444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.615985] ? refcount_sub_and_test_checked+0x203/0x310 [ 395.621447] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 395.626902] ? addrconf_rs_timer+0x690/0x690 [ 395.631328] ndisc_alloc_skb+0x144/0x340 [ 395.635397] ndisc_send_rs+0x331/0x6e0 [ 395.639299] addrconf_rs_timer+0x314/0x690 [ 395.643544] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.647795] call_timer_fn+0x272/0x920 [ 395.651684] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.655926] ? process_timeout+0x40/0x40 [ 395.659987] ? find_held_lock+0x36/0x1c0 [ 395.664062] ? __run_timers+0x7da/0xc70 [ 395.668051] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.672546] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.677042] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.681281] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 395.685868] ? trace_hardirqs_on+0xbd/0x310 [ 395.690198] ? kasan_check_read+0x11/0x20 [ 395.694351] ? __run_timers+0x7da/0xc70 [ 395.698330] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.703794] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.708039] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 395.712276] __run_timers+0x7e5/0xc70 [ 395.716092] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 395.721464] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.725958] ? _raw_spin_unlock_irq+0x27/0x80 [ 395.730463] ? lockdep_hardirqs_on+0x421/0x5c0 [ 395.735047] ? trace_hardirqs_on+0xbd/0x310 [ 395.739369] ? kasan_check_read+0x11/0x20 [ 395.743524] ? finish_task_switch+0x1f4/0x910 [ 395.748033] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 395.753493] ? compat_start_thread+0x80/0x80 [ 395.757910] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.763468] ? pvclock_read_flags+0x160/0x160 [ 395.767966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.773506] ? check_preemption_disabled+0x48/0x280 [ 395.778532] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 395.784066] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 395.789345] ? rcu_pm_notify+0xc0/0xc0 [ 395.793257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 395.798799] ? check_preemption_disabled+0x48/0x280 [ 395.803827] run_timer_softirq+0x52/0xb0 [ 395.807889] ? rcu_read_lock_sched_held+0x108/0x120 [ 395.812909] __do_softirq+0x30c/0xb03 [ 395.816724] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 395.821827] ? trace_hardirqs_off+0xb8/0x310 [ 395.826248] ? schedule+0x108/0x460 [ 395.829891] ? trace_hardirqs_off+0xb8/0x310 [ 395.834307] ? smpboot_thread_fn+0x68b/0xa00 [ 395.838716] ? trace_hardirqs_on+0x310/0x310 [ 395.843128] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.848675] ? check_preemption_disabled+0x48/0x280 [ 395.853697] ? takeover_tasklets+0xa90/0xa90 [ 395.858111] run_ksoftirqd+0x94/0x100 [ 395.861917] smpboot_thread_fn+0x68b/0xa00 [ 395.866165] ? sort_range+0x30/0x30 [ 395.869798] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 395.874908] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 395.880463] ? __kthread_parkme+0xfb/0x1a0 [ 395.884707] kthread+0x35a/0x420 [ 395.888072] ? sort_range+0x30/0x30 [ 395.891700] ? kthread_bind+0x40/0x40 [ 395.895503] ret_from_fork+0x3a/0x50 [ 395.899235] warn_alloc_show_mem: 1 callbacks suppressed [ 395.899247] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 395.899249] Mem-Info: [ 395.899281] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 395.899281] active_file:15 inactive_file:13 isolated_file:0 [ 395.899281] unevictable:0 dirty:0 writeback:0 unstable:0 [ 395.899281] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 395.899281] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 395.899281] free:13788 free_pcp:609 free_cma:0 [ 395.904612] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 395.904621] Call Trace: [ 395.911905] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 395.914782] [ 395.947676] Node 0 [ 395.957046] dump_stack+0x1c4/0x2b6 [ 395.959626] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 395.987125] ? dump_stack_print_info.cold.1+0x20/0x20 [ 395.989244] lowmem_reserve[]: 0 [ 395.991494] warn_alloc.cold.119+0xb7/0x1bd [ 395.995088] 2819 [ 396.020595] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 396.025751] 6323 6323 [ 396.029037] ? lock_downgrade+0x900/0x900 [ 396.035397] ? trace_hardirqs_off+0xb8/0x310 [ 396.040214] Node 0 [ 396.042707] ? trace_hardirqs_off+0xb8/0x310 [ 396.046867] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 396.051337] __alloc_pages_slowpath+0x265e/0x2d70 [ 396.053544] lowmem_reserve[]: [ 396.057978] ? warn_alloc+0x120/0x120 [ 396.084831] 0 [ 396.089678] ? trace_hardirqs_on+0x310/0x310 [ 396.092754] 0 [ 396.096549] ? warn_alloc+0x120/0x120 [ 396.098325] 3503 [ 396.102726] ? print_usage_bug+0xc0/0xc0 [ 396.104501] 3503 [ 396.108297] ? warn_alloc+0x120/0x120 [ 396.114394] ? ktime_get+0x2e1/0x440 [ 396.116434] Node 0 [ 396.120230] ? print_usage_bug+0xc0/0xc0 [ 396.123945] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 396.126174] ? __lock_acquire+0x7ec/0x4ec0 [ 396.130207] lowmem_reserve[]: 0 [ 396.158583] ? __lock_acquire+0x7ec/0x4ec0 [ 396.162793] 0 [ 396.166101] ? kasan_check_read+0x11/0x20 [ 396.170310] 0 [ 396.172110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 396.176225] 0 [ 396.178031] ? should_fail+0x22d/0xd01 [ 396.183544] Node 0 [ 396.185339] ? rcu_bh_qs+0xc0/0xc0 [ 396.189212] DMA: [ 396.191447] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.194965] 1*4kB [ 396.197026] ? __lock_acquire+0x7ec/0x4ec0 [ 396.202115] (U) [ 396.204264] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 396.208475] 0*8kB [ 396.210448] ? __lock_acquire+0x7ec/0x4ec0 [ 396.215538] 0*16kB [ 396.217685] ? should_fail+0x22d/0xd01 [ 396.221895] 1*32kB [ 396.224129] ? rcu_idle_enter+0x4b0/0x4b0 [ 396.227989] (U) [ 396.230228] ? mark_held_locks+0x130/0x130 [ 396.234346] 2*64kB [ 396.236314] ? mark_held_locks+0x130/0x130 [ 396.240554] (U) [ 396.242789] ? mark_held_locks+0xc7/0x130 [ 396.247000] 1*128kB [ 396.248967] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 396.248982] ? graph_lock+0x170/0x170 [ 396.253113] (U) [ 396.255429] ? print_usage_bug+0xc0/0xc0 [ 396.260433] 1*256kB [ 396.264221] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.266180] (U) [ 396.270245] ? check_preemption_disabled+0x48/0x280 [ 396.272542] 0*512kB 1*1024kB [ 396.278085] ? check_preemption_disabled+0x48/0x280 [ 396.280037] (U) [ 396.285052] ? __lock_is_held+0xb5/0x140 [ 396.288128] 1*2048kB [ 396.293139] __alloc_pages_nodemask+0xa80/0xde0 [ 396.295090] (M) [ 396.299144] ? graph_lock+0x170/0x170 [ 396.301534] 3*4096kB (M) [ 396.306207] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 396.308167] = 15908kB [ 396.311960] ? graph_lock+0x170/0x170 [ 396.314699] Node 0 [ 396.319713] ? find_held_lock+0x36/0x1c0 [ 396.322092] DMA32: [ 396.325912] ? ____cache_alloc_node+0x1c7/0x1e0 [ 396.328124] 5*4kB [ 396.332182] ? lock_downgrade+0x900/0x900 [ 396.334395] (UM) [ 396.339064] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.341186] 0*8kB 3*16kB [ 396.345356] cache_grow_begin+0x91/0x8c0 [ 396.347392] (UM) [ 396.352923] ? do_raw_spin_unlock+0xa7/0x330 [ 396.355660] 2*32kB [ 396.359717] fallback_alloc+0x203/0x2e0 [ 396.361751] (M) [ 396.366166] ____cache_alloc_node+0x1c7/0x1e0 [ 396.368376] 5*64kB [ 396.372347] kmem_cache_alloc_node+0xe3/0x730 [ 396.374298] (UM) [ 396.378788] ? ipv6_get_ifaddr+0x42e/0x620 [ 396.381001] 4*128kB [ 396.385493] __alloc_skb+0x119/0x770 [ 396.387527] (UM) [ 396.391757] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 396.394059] 3*256kB [ 396.397768] ? skb_scrub_packet+0x490/0x490 [ 396.399805] (M) [ 396.405076] ? lock_downgrade+0x900/0x900 [ 396.407371] 4*512kB (UM) [ 396.411700] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.413651] 3*1024kB [ 396.417791] ? refcount_sub_and_test_checked+0x203/0x310 [ 396.420525] (UM) [ 396.426057] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 396.428446] 3*2048kB [ 396.433888] ? addrconf_rs_timer+0x690/0x690 [ 396.435925] (M) [ 396.441386] ndisc_alloc_skb+0x144/0x340 [ 396.443764] 3*4096kB [ 396.448173] ndisc_send_rs+0x331/0x6e0 [ 396.450124] (M) [ 396.454184] addrconf_rs_timer+0x314/0x690 [ 396.456567] = 25284kB [ 396.460450] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.462400] Node 0 [ 396.466637] call_timer_fn+0x272/0x920 [ 396.469006] Normal: 888*4kB [ 396.473244] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.475471] (UMEH) [ 396.479350] ? process_timeout+0x40/0x40 [ 396.482362] 387*8kB [ 396.486590] ? find_held_lock+0x36/0x1c0 [ 396.488803] (UME) [ 396.492864] ? __run_timers+0x7da/0xc70 [ 396.495169] 157*16kB [ 396.499222] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.501348] (UME) [ 396.505312] ? _raw_spin_unlock_irq+0x27/0x80 [ 396.507699] 53*32kB [ 396.512193] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.514316] (UMEH) [ 396.518810] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 396.521110] 26*64kB [ 396.525338] ? trace_hardirqs_on+0xbd/0x310 [ 396.527555] (UMH) [ 396.532130] ? kasan_check_read+0x11/0x20 [ 396.534422] 4*128kB (UMH) [ 396.538747] ? __run_timers+0x7da/0xc70 [ 396.540873] 0*256kB [ 396.545016] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 396.547837] 0*512kB [ 396.551808] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.554106] 1*1024kB [ 396.559549] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 396.561844] (H) [ 396.566077] __run_timers+0x7e5/0xc70 [ 396.568466] 0*2048kB [ 396.572708] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 396.574648] 0*4096kB = 14056kB [ 396.578798] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 396.581204] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 396.586568] ? graph_lock+0x170/0x170 [ 396.589741] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 396.594744] ? enqueue_hrtimer+0x1a5/0x560 [ 396.603557] 147 total pagecache pages [ 396.607348] ? lock_release+0x970/0x970 [ 396.615907] 0 pages in swap cache [ 396.620132] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 396.623909] Swap cache stats: add 0, delete 0, find 0/0 [ 396.627882] ? find_held_lock+0x36/0x1c0 [ 396.631310] Free swap = 0kB [ 396.636492] ? graph_lock+0x170/0x170 [ 396.641837] Total swap = 0kB [ 396.645892] ? pvclock_read_flags+0x160/0x160 [ 396.648897] 1965979 pages RAM [ 396.652694] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.655686] 0 pages HighMem/MovableOnly [ 396.660185] ? check_preemption_disabled+0x48/0x280 [ 396.663260] 342307 pages reserved [ 396.663268] 0 pages cma reserved [ 396.668809] ? __lock_is_held+0xb5/0x140 [ 396.672833] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 396.677763] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.681329] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 396.684590] ? check_preemption_disabled+0x48/0x280 [ 396.688645] ksoftirqd/0 cpuset= [ 396.695138] run_timer_softirq+0x52/0xb0 [ 396.700646] / [ 396.710959] ? rcu_read_lock_sched_held+0x108/0x120 [ 396.715955] mems_allowed=0 [ 396.719226] __do_softirq+0x30c/0xb03 [ 396.736730] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 396.741839] ? pvclock_read_flags+0x160/0x160 [ 396.746337] ? lapic_next_event+0x5a/0x90 [ 396.750489] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.756043] ? check_preemption_disabled+0x48/0x280 [ 396.761237] ? check_preemption_disabled+0x48/0x280 [ 396.766265] ? kvm_clock_read+0x18/0x30 [ 396.770244] ? kvm_sched_clock_read+0x9/0x20 [ 396.774659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.780199] ? check_preemption_disabled+0x48/0x280 [ 396.785355] irq_exit+0x17f/0x1c0 [ 396.788816] smp_apic_timer_interrupt+0x1cb/0x760 [ 396.793662] ? smp_reschedule_interrupt+0x109/0x650 [ 396.798682] ? smp_call_function_single_interrupt+0x650/0x650 [ 396.804570] ? interrupt_entry+0xb5/0xf0 [ 396.808636] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.813654] ? trace_hardirqs_off_caller+0xbb/0x310 [ 396.818676] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.823519] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.828538] ? trace_hardirqs_on_caller+0x310/0x310 [ 396.833556] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.839100] ? check_preemption_disabled+0x48/0x280 [ 396.844114] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 396.849661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 396.854515] apic_timer_interrupt+0xf/0x20 [ 396.858743] [ 396.860984] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 396.865916] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 396.884938] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 396.892654] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 396.899921] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 396.907194] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 396.914969] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 396.922243] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 396.929560] skb_clone+0x1bb/0x500 [ 396.933104] ? finish_task_switch+0x1b4/0x910 [ 396.937601] ? skb_split+0x11e0/0x11e0 [ 396.941492] ? preempt_notifier_register+0x200/0x200 [ 396.946599] ? __switch_to_asm+0x34/0x70 [ 396.950661] ? __switch_to_asm+0x34/0x70 [ 396.954723] ? __switch_to_asm+0x40/0x70 [ 396.958783] ? __switch_to_asm+0x34/0x70 [ 396.962841] ? __switch_to_asm+0x40/0x70 [ 396.966900] ? __switch_to_asm+0x34/0x70 [ 396.970962] ? __switch_to_asm+0x40/0x70 [ 396.975020] ? __switch_to_asm+0x34/0x70 [ 396.979079] ? __switch_to_asm+0x34/0x70 [ 396.983138] ? __switch_to_asm+0x40/0x70 [ 396.987204] ? __switch_to_asm+0x34/0x70 [ 396.991275] bpf_clone_redirect+0xb9/0x490 [ 396.995513] ? __schedule+0x874/0x1ed0 [ 396.999407] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 397.004434] ? __sched_text_start+0x8/0x8 [ 397.008591] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.013192] ? retint_kernel+0x2d/0x2d [ 397.017113] ? trace_hardirqs_on_caller+0xc0/0x310 [ 397.022050] ? find_held_lock+0x36/0x1c0 [ 397.026123] ? lock_acquire+0x1ed/0x520 [ 397.030105] ? bpf_test_run+0x32e/0x5a0 [ 397.034111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.039650] ? check_preemption_disabled+0x48/0x280 [ 397.044676] ? kasan_check_read+0x11/0x20 [ 397.048915] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.054241] ? rcu_bh_qs+0xc0/0xc0 [ 397.057784] ? preempt_schedule+0x4d/0x60 [ 397.061942] ? ___preempt_schedule+0x16/0x18 [ 397.066359] ? bpf_test_run+0x1c0/0x5a0 [ 397.070350] ? netlink_diag_dump+0x2a0/0x2a0 [ 397.074767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.080306] ? bpf_test_init.isra.9+0x70/0x100 [ 397.084896] ? bpf_prog_test_run_skb+0x634/0xb40 [ 397.089665] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 397.094505] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 397.100044] ? fput+0x130/0x1a0 [ 397.103325] ? __bpf_prog_get+0x9b/0x290 [ 397.107391] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 397.112235] ? bpf_prog_test_run+0x130/0x1a0 [ 397.116646] ? __x64_sys_bpf+0x3d8/0x510 [ 397.120706] ? bpf_prog_get+0x20/0x20 [ 397.124530] ? do_syscall_64+0x1b9/0x820 [ 397.128600] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 397.133971] ? syscall_return_slowpath+0x5e0/0x5e0 [ 397.138942] ? trace_hardirqs_on_caller+0x310/0x310 [ 397.143971] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 397.148988] ? recalc_sigpending_tsk+0x180/0x180 [ 397.153747] ? kasan_check_write+0x14/0x20 [ 397.157991] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 397.162842] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 397.168242] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 397.168339] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 397.175017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.175022] Call Trace: [ 397.175044] dump_stack+0x1c4/0x2b6 [ 397.175066] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.181750] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 397.190960] warn_alloc.cold.119+0xb7/0x1bd [ 397.193523] syz-executor1 cpuset= [ 397.197144] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.202315] syz1 [ 397.212794] ? lock_downgrade+0x900/0x900 [ 397.217098] mems_allowed=0 [ 397.220552] ? trace_hardirqs_off+0xb8/0x310 [ 397.238797] ? trace_hardirqs_off+0xb8/0x310 [ 397.243236] __alloc_pages_slowpath+0x265e/0x2d70 [ 397.248112] ? warn_alloc+0x120/0x120 [ 397.251924] ? warn_alloc+0x120/0x120 [ 397.255729] ? print_usage_bug+0xc0/0xc0 [ 397.259793] ? warn_alloc+0x120/0x120 [ 397.263597] ? print_usage_bug+0xc0/0xc0 [ 397.267663] ? __lock_acquire+0x7ec/0x4ec0 [ 397.271897] ? __lock_acquire+0x7ec/0x4ec0 [ 397.276133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.281680] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.287221] ? should_fail+0x22d/0xd01 [ 397.291113] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.296239] ? __lock_acquire+0x7ec/0x4ec0 [ 397.300483] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 397.305587] ? __lock_acquire+0x7ec/0x4ec0 [ 397.309822] ? should_fail+0x22d/0xd01 [ 397.313719] ? mark_held_locks+0x130/0x130 [ 397.317971] ? mark_held_locks+0x130/0x130 [ 397.322216] ? mark_held_locks+0xc7/0x130 [ 397.326362] ? print_usage_bug+0xc0/0xc0 [ 397.330422] ? graph_lock+0x170/0x170 [ 397.334237] ? print_usage_bug+0xc0/0xc0 [ 397.338303] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.343845] ? check_preemption_disabled+0x48/0x280 [ 397.348862] ? check_preemption_disabled+0x48/0x280 [ 397.353891] ? __lock_is_held+0xb5/0x140 [ 397.357961] __alloc_pages_nodemask+0xa80/0xde0 [ 397.362635] ? graph_lock+0x170/0x170 [ 397.366464] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 397.371478] ? graph_lock+0x170/0x170 [ 397.375291] ? find_held_lock+0x36/0x1c0 [ 397.379367] ? ____cache_alloc_node+0x1c7/0x1e0 [ 397.384037] ? lock_downgrade+0x900/0x900 [ 397.388201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.393750] cache_grow_begin+0x91/0x8c0 [ 397.397817] ? do_raw_spin_unlock+0xa7/0x330 [ 397.402240] fallback_alloc+0x203/0x2e0 [ 397.406231] ____cache_alloc_node+0x1c7/0x1e0 [ 397.410737] kmem_cache_alloc_node+0xe3/0x730 [ 397.415257] ? ipv6_get_ifaddr+0x42e/0x620 [ 397.419508] __alloc_skb+0x119/0x770 [ 397.423222] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.428504] ? skb_scrub_packet+0x490/0x490 [ 397.432829] ? lock_downgrade+0x900/0x900 [ 397.436986] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.442535] ? refcount_sub_and_test_checked+0x203/0x310 [ 397.447992] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 397.453451] ? addrconf_rs_timer+0x690/0x690 [ 397.457876] ndisc_alloc_skb+0x144/0x340 [ 397.461940] ndisc_send_rs+0x331/0x6e0 [ 397.465835] addrconf_rs_timer+0x314/0x690 [ 397.470079] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.474343] call_timer_fn+0x272/0x920 [ 397.478233] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.482484] ? process_timeout+0x40/0x40 [ 397.486543] ? find_held_lock+0x36/0x1c0 [ 397.490633] ? __run_timers+0x7da/0xc70 [ 397.494612] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.499131] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.503644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.507881] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 397.512474] ? trace_hardirqs_on+0xbd/0x310 [ 397.516795] ? kasan_check_read+0x11/0x20 [ 397.520945] ? __run_timers+0x7da/0xc70 [ 397.524922] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.530378] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.534625] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 397.538859] __run_timers+0x7e5/0xc70 [ 397.542677] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 397.548043] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.552535] ? _raw_spin_unlock_irq+0x27/0x80 [ 397.557032] ? lockdep_hardirqs_on+0x421/0x5c0 [ 397.561616] ? trace_hardirqs_on+0xbd/0x310 [ 397.565946] ? kasan_check_read+0x11/0x20 [ 397.570098] ? finish_task_switch+0x1f4/0x910 [ 397.574594] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 397.580044] ? compat_start_thread+0x80/0x80 [ 397.584476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.590030] ? pvclock_read_flags+0x160/0x160 [ 397.594532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.600075] ? check_preemption_disabled+0x48/0x280 [ 397.605102] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 397.610642] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 397.615925] ? rcu_pm_notify+0xc0/0xc0 [ 397.619815] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 397.625376] ? check_preemption_disabled+0x48/0x280 [ 397.630405] run_timer_softirq+0x52/0xb0 [ 397.634478] ? rcu_read_lock_sched_held+0x108/0x120 [ 397.639498] __do_softirq+0x30c/0xb03 [ 397.643313] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 397.648415] ? trace_hardirqs_off+0xb8/0x310 [ 397.652839] ? schedule+0x108/0x460 [ 397.656480] ? trace_hardirqs_off+0xb8/0x310 [ 397.660910] ? smpboot_thread_fn+0x68b/0xa00 [ 397.665319] ? trace_hardirqs_on+0x310/0x310 [ 397.669729] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.675272] ? check_preemption_disabled+0x48/0x280 [ 397.680294] ? takeover_tasklets+0xa90/0xa90 [ 397.684710] run_ksoftirqd+0x94/0x100 [ 397.688530] smpboot_thread_fn+0x68b/0xa00 [ 397.692771] ? sort_range+0x30/0x30 [ 397.696400] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 397.701507] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.707048] ? __kthread_parkme+0xfb/0x1a0 [ 397.711294] kthread+0x35a/0x420 [ 397.714666] ? sort_range+0x30/0x30 [ 397.718290] ? kthread_bind+0x40/0x40 [ 397.722092] ret_from_fork+0x3a/0x50 [ 397.725823] warn_alloc_show_mem: 1 callbacks suppressed [ 397.725835] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 397.725837] Mem-Info: [ 397.725868] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 397.725868] active_file:15 inactive_file:13 isolated_file:0 [ 397.725868] unevictable:0 dirty:0 writeback:0 unstable:0 [ 397.725868] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 397.725868] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 397.725868] free:13788 free_pcp:609 free_cma:0 [ 397.731223] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 397.738525] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 397.740941] Call Trace: [ 397.773821] Node 0 [ 397.783183] [ 397.810694] 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 [ 397.813298] dump_stack+0x1c4/0x2b6 [ 397.815535] lowmem_reserve[]: [ 397.817682] ? dump_stack_print_info.cold.1+0x20/0x20 [ 397.843150] 0 2819 [ 397.846799] warn_alloc.cold.119+0xb7/0x1bd [ 397.849871] 6323 [ 397.855069] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 397.857276] 6323 [ 397.861600] ? lock_downgrade+0x900/0x900 [ 397.863644] Node 0 [ 397.868483] ? trace_hardirqs_off+0xb8/0x310 [ 397.870544] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 397.874664] ? trace_hardirqs_off+0xb8/0x310 [ 397.876872] lowmem_reserve[]: [ 397.881281] __alloc_pages_slowpath+0x265e/0x2d70 [ 397.908139] 0 0 [ 397.912598] ? warn_alloc+0x120/0x120 [ 397.915648] 3503 3503 [ 397.920498] ? warn_alloc+0x120/0x120 [ 397.926260] ? print_usage_bug+0xc0/0xc0 [ 397.928733] Node 0 [ 397.932525] ? warn_alloc+0x120/0x120 [ 397.936590] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 397.938798] ? print_usage_bug+0xc0/0xc0 [ 397.942568] lowmem_reserve[]: 0 [ 397.970940] ? __lock_acquire+0x7ec/0x4ec0 [ 397.974969] 0 [ 397.978284] ? mark_held_locks+0x130/0x130 [ 397.982492] 0 [ 397.984308] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 397.988522] 0 [ 397.990375] ? should_fail+0x22d/0xd01 [ 397.997680] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.001542] Node 0 [ 398.006661] ? __lock_acquire+0x7ec/0x4ec0 [ 398.006664] DMA: 1*4kB [ 398.008898] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 398.013107] (U) [ 398.015688] ? __lock_acquire+0x7ec/0x4ec0 [ 398.020769] 0*8kB [ 398.022738] ? should_fail+0x22d/0xd01 [ 398.026950] 0*16kB [ 398.029099] ? mark_held_locks+0x130/0x130 [ 398.032956] 1*32kB [ 398.035192] ? mark_held_locks+0x130/0x130 [ 398.039399] (U) [ 398.041629] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 398.045844] 2*64kB (U) [ 398.047823] ? graph_lock+0x170/0x170 [ 398.052897] 1*128kB [ 398.055496] ? print_usage_bug+0xc0/0xc0 [ 398.059276] (U) [ 398.061600] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.065648] 1*256kB [ 398.067626] ? check_preemption_disabled+0x48/0x280 [ 398.073136] (U) [ 398.075465] ? check_preemption_disabled+0x48/0x280 [ 398.080454] 0*512kB [ 398.082467] ? __lock_is_held+0xb5/0x140 [ 398.087460] 1*1024kB [ 398.089779] __alloc_pages_nodemask+0xa80/0xde0 [ 398.093812] (U) [ 398.096218] ? graph_lock+0x170/0x170 [ 398.100870] 1*2048kB (M) [ 398.102846] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 398.106625] 3*4096kB [ 398.109372] ? graph_lock+0x170/0x170 [ 398.114359] (M) = 15908kB [ 398.116778] ? find_held_lock+0x36/0x1c0 [ 398.120547] Node 0 [ 398.123307] ? ____cache_alloc_node+0x1c7/0x1e0 [ 398.127338] DMA32: [ 398.129566] ? lock_downgrade+0x900/0x900 [ 398.134217] 5*4kB [ 398.136453] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.140572] (UM) [ 398.142720] cache_grow_begin+0x91/0x8c0 [ 398.148227] 0*8kB 3*16kB [ 398.150298] ? do_raw_spin_unlock+0xa7/0x330 [ 398.154334] (UM) [ 398.157090] fallback_alloc+0x203/0x2e0 [ 398.161474] 2*32kB [ 398.163534] ____cache_alloc_node+0x1c7/0x1e0 [ 398.167477] (M) [ 398.169722] kmem_cache_alloc_node+0xe3/0x730 [ 398.174203] 5*64kB [ 398.176192] ? ipv6_get_ifaddr+0x42e/0x620 [ 398.180676] (UM) [ 398.182926] __alloc_skb+0x119/0x770 [ 398.187147] 4*128kB [ 398.189213] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.192911] (UM) [ 398.195250] ? skb_scrub_packet+0x490/0x490 [ 398.200510] 3*256kB [ 398.202569] ? lock_downgrade+0x900/0x900 [ 398.206857] (M) 4*512kB [ 398.209207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.213318] (UM) 3*1024kB [ 398.215995] ? refcount_sub_and_test_checked+0x203/0x310 [ 398.221532] (UM) [ 398.224377] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 398.229800] 3*2048kB [ 398.231858] ? addrconf_rs_timer+0x690/0x690 [ 398.237279] (M) [ 398.239691] ndisc_alloc_skb+0x144/0x340 [ 398.244068] 3*4096kB [ 398.246041] ndisc_send_rs+0x331/0x6e0 [ 398.250075] (M) [ 398.252496] addrconf_rs_timer+0x314/0x690 [ 398.256355] = 25284kB [ 398.258329] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.262535] Node 0 [ 398.264953] call_timer_fn+0x272/0x920 [ 398.269147] Normal: [ 398.271385] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.275265] 888*4kB [ 398.277582] ? process_timeout+0x40/0x40 [ 398.281793] (UMEH) [ 398.284110] ? find_held_lock+0x36/0x1c0 [ 398.288151] 387*8kB [ 398.290394] ? __run_timers+0x7da/0xc70 [ 398.294458] (UME) [ 398.296793] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.300738] 157*16kB (UME) [ 398.302887] ? _raw_spin_unlock_irq+0x27/0x80 [ 398.307364] 53*32kB [ 398.310294] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.314763] (UMEH) [ 398.317082] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 398.321295] 26*64kB [ 398.323526] ? trace_hardirqs_on+0xbd/0x310 [ 398.328083] (UMH) [ 398.330405] ? kasan_check_read+0x11/0x20 [ 398.334698] 4*128kB [ 398.336843] ? __run_timers+0x7da/0xc70 [ 398.340962] (UMH) [ 398.343279] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 398.347227] 0*256kB [ 398.349436] ? prandom_seed_full_state+0x3b0/0x3b0 [ 398.354790] 0*512kB [ 398.357125] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 398.362021] 1*1024kB (H) [ 398.364345] __run_timers+0x7e5/0xc70 [ 398.368549] 0*2048kB 0*4096kB [ 398.371320] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 398.375088] = 14056kB [ 398.378315] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 398.383658] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 398.386054] ? graph_lock+0x170/0x170 [ 398.391051] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 398.399871] ? enqueue_hrtimer+0x1a5/0x560 [ 398.403647] 147 total pagecache pages [ 398.412216] ? lock_release+0x970/0x970 [ 398.416440] 0 pages in swap cache [ 398.420220] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 398.424177] Swap cache stats: add 0, delete 0, find 0/0 [ 398.427619] ? find_held_lock+0x36/0x1c0 [ 398.432784] Free swap = 0kB [ 398.438140] ? graph_lock+0x170/0x170 [ 398.442186] Total swap = 0kB [ 398.445205] ? pvclock_read_flags+0x160/0x160 [ 398.448980] 1965979 pages RAM [ 398.451993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.456467] 0 pages HighMem/MovableOnly [ 398.459597] ? check_preemption_disabled+0x48/0x280 [ 398.465099] 342307 pages reserved [ 398.465107] 0 pages cma reserved [ 398.469082] ? __lock_is_held+0xb5/0x140 [ 398.474138] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.477515] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.480946] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.484912] ? check_preemption_disabled+0x48/0x280 [ 398.491407] ksoftirqd/0 cpuset= [ 398.496955] run_timer_softirq+0x52/0xb0 [ 398.507239] / [ 398.512249] ? rcu_read_lock_sched_held+0x108/0x120 [ 398.515508] mems_allowed=0 [ 398.519562] __do_softirq+0x30c/0xb03 [ 398.533005] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 398.538684] ? pvclock_read_flags+0x160/0x160 [ 398.543189] ? lapic_next_event+0x5a/0x90 [ 398.547344] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.552886] ? check_preemption_disabled+0x48/0x280 [ 398.557908] ? check_preemption_disabled+0x48/0x280 [ 398.562939] ? kvm_clock_read+0x18/0x30 [ 398.566916] ? kvm_sched_clock_read+0x9/0x20 [ 398.571333] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.576869] ? check_preemption_disabled+0x48/0x280 [ 398.581896] irq_exit+0x17f/0x1c0 [ 398.585358] smp_apic_timer_interrupt+0x1cb/0x760 [ 398.590199] ? smp_reschedule_interrupt+0x109/0x650 [ 398.595218] ? smp_call_function_single_interrupt+0x650/0x650 [ 398.601108] ? interrupt_entry+0xb5/0xf0 [ 398.605182] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.610202] ? trace_hardirqs_off_caller+0xbb/0x310 [ 398.615226] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.620089] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.625134] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.630185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.635725] ? check_preemption_disabled+0x48/0x280 [ 398.640743] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.646288] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.651140] apic_timer_interrupt+0xf/0x20 [ 398.655376] [ 398.657618] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 398.662552] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 398.681454] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 398.689183] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 398.696449] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 398.703720] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 398.711001] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 398.718268] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 398.725582] skb_clone+0x1bb/0x500 [ 398.729124] ? finish_task_switch+0x1b4/0x910 [ 398.733625] ? skb_split+0x11e0/0x11e0 [ 398.737517] ? preempt_notifier_register+0x200/0x200 [ 398.742620] ? __switch_to_asm+0x34/0x70 [ 398.746681] ? __switch_to_asm+0x34/0x70 [ 398.750741] ? __switch_to_asm+0x40/0x70 [ 398.754800] ? __switch_to_asm+0x34/0x70 [ 398.758859] ? __switch_to_asm+0x40/0x70 [ 398.762918] ? __switch_to_asm+0x34/0x70 [ 398.766985] ? __switch_to_asm+0x40/0x70 [ 398.771064] ? __switch_to_asm+0x34/0x70 [ 398.775123] ? __switch_to_asm+0x34/0x70 [ 398.779189] ? __switch_to_asm+0x40/0x70 [ 398.783608] ? __switch_to_asm+0x34/0x70 [ 398.787682] bpf_clone_redirect+0xb9/0x490 [ 398.791917] ? __schedule+0x874/0x1ed0 [ 398.795815] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 398.800834] ? __sched_text_start+0x8/0x8 [ 398.805000] ? lockdep_hardirqs_on+0x421/0x5c0 [ 398.809598] ? retint_kernel+0x2d/0x2d [ 398.813544] ? trace_hardirqs_on_caller+0xc0/0x310 [ 398.818542] ? find_held_lock+0x36/0x1c0 [ 398.822721] ? lock_acquire+0x1ed/0x520 [ 398.826709] ? bpf_test_run+0x32e/0x5a0 [ 398.830690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 398.836261] ? check_preemption_disabled+0x48/0x280 [ 398.841284] ? kasan_check_read+0x11/0x20 [ 398.845438] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 398.850716] ? rcu_bh_qs+0xc0/0xc0 [ 398.854262] ? preempt_schedule+0x4d/0x60 [ 398.858412] ? ___preempt_schedule+0x16/0x18 [ 398.862832] ? bpf_test_run+0x1c0/0x5a0 [ 398.866838] ? netlink_diag_dump+0x2a0/0x2a0 [ 398.871250] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 398.876788] ? bpf_test_init.isra.9+0x70/0x100 [ 398.881373] ? bpf_prog_test_run_skb+0x634/0xb40 [ 398.886137] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 398.890997] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 398.896535] ? fput+0x130/0x1a0 [ 398.899816] ? __bpf_prog_get+0x9b/0x290 [ 398.903907] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 398.908764] ? bpf_prog_test_run+0x130/0x1a0 [ 398.913183] ? __x64_sys_bpf+0x3d8/0x510 [ 398.917732] ? bpf_prog_get+0x20/0x20 [ 398.921560] ? do_syscall_64+0x1b9/0x820 [ 398.925623] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 398.931019] ? syscall_return_slowpath+0x5e0/0x5e0 [ 398.935956] ? trace_hardirqs_on_caller+0x310/0x310 [ 398.940974] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 398.946000] ? recalc_sigpending_tsk+0x180/0x180 [ 398.950758] ? kasan_check_write+0x14/0x20 [ 398.955002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 398.959852] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 398.965252] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 398.965325] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 398.972019] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 398.972048] Call Trace: [ 398.972068] dump_stack+0x1c4/0x2b6 [ 398.972087] ? dump_stack_print_info.cold.1+0x20/0x20 [ 398.978616] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 398.987921] warn_alloc.cold.119+0xb7/0x1bd [ 398.990484] syz-executor1 cpuset= [ 398.994107] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 398.999270] syz1 [ 399.009760] ? lock_downgrade+0x900/0x900 [ 399.014062] mems_allowed=0 [ 399.017531] ? trace_hardirqs_off+0xb8/0x310 [ 399.035790] ? trace_hardirqs_off+0xb8/0x310 [ 399.040207] __alloc_pages_slowpath+0x265e/0x2d70 [ 399.045085] ? warn_alloc+0x120/0x120 [ 399.048892] ? warn_alloc+0x120/0x120 [ 399.052725] ? print_usage_bug+0xc0/0xc0 [ 399.056784] ? warn_alloc+0x120/0x120 [ 399.060586] ? print_usage_bug+0xc0/0xc0 [ 399.064653] ? __lock_acquire+0x7ec/0x4ec0 [ 399.068918] ? __lock_acquire+0x7ec/0x4ec0 [ 399.073154] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.078699] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.084268] ? should_fail+0x22d/0xd01 [ 399.088185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.093295] ? __lock_acquire+0x7ec/0x4ec0 [ 399.097629] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.102734] ? __lock_acquire+0x7ec/0x4ec0 [ 399.106970] ? should_fail+0x22d/0xd01 [ 399.110870] ? mark_held_locks+0x130/0x130 [ 399.115122] ? mark_held_locks+0x130/0x130 [ 399.119371] ? mark_held_locks+0xc7/0x130 [ 399.123517] ? print_usage_bug+0xc0/0xc0 [ 399.127577] ? graph_lock+0x170/0x170 [ 399.131376] ? print_usage_bug+0xc0/0xc0 [ 399.135462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.141002] ? check_preemption_disabled+0x48/0x280 [ 399.146021] ? check_preemption_disabled+0x48/0x280 [ 399.151043] ? __lock_is_held+0xb5/0x140 [ 399.155106] __alloc_pages_nodemask+0xa80/0xde0 [ 399.159789] ? graph_lock+0x170/0x170 [ 399.163620] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 399.168634] ? graph_lock+0x170/0x170 [ 399.172452] ? find_held_lock+0x36/0x1c0 [ 399.176526] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.181200] ? lock_downgrade+0x900/0x900 [ 399.185391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.190933] cache_grow_begin+0x91/0x8c0 [ 399.194997] ? do_raw_spin_unlock+0xa7/0x330 [ 399.199412] fallback_alloc+0x203/0x2e0 [ 399.203447] ____cache_alloc_node+0x1c7/0x1e0 [ 399.207947] kmem_cache_alloc_node+0xe3/0x730 [ 399.212451] ? ipv6_get_ifaddr+0x42e/0x620 [ 399.216716] __alloc_skb+0x119/0x770 [ 399.220458] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.225741] ? skb_scrub_packet+0x490/0x490 [ 399.230094] ? lock_downgrade+0x900/0x900 [ 399.234249] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.239785] ? refcount_sub_and_test_checked+0x203/0x310 [ 399.245237] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 399.250687] ? addrconf_rs_timer+0x690/0x690 [ 399.255113] ndisc_alloc_skb+0x144/0x340 [ 399.259191] ndisc_send_rs+0x331/0x6e0 [ 399.263099] addrconf_rs_timer+0x314/0x690 [ 399.267355] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.271603] call_timer_fn+0x272/0x920 [ 399.275490] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.279725] ? process_timeout+0x40/0x40 [ 399.283791] ? find_held_lock+0x36/0x1c0 [ 399.287876] ? __run_timers+0x7da/0xc70 [ 399.291884] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.296381] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.300875] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.305129] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 399.309727] ? trace_hardirqs_on+0xbd/0x310 [ 399.314046] ? kasan_check_read+0x11/0x20 [ 399.318196] ? __run_timers+0x7da/0xc70 [ 399.322182] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.327644] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.331892] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 399.336123] __run_timers+0x7e5/0xc70 [ 399.339942] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 399.345307] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.349806] ? _raw_spin_unlock_irq+0x27/0x80 [ 399.354303] ? lockdep_hardirqs_on+0x421/0x5c0 [ 399.358888] ? trace_hardirqs_on+0xbd/0x310 [ 399.363219] ? kasan_check_read+0x11/0x20 [ 399.367369] ? finish_task_switch+0x1f4/0x910 [ 399.371878] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 399.377345] ? compat_start_thread+0x80/0x80 [ 399.381756] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.387326] ? pvclock_read_flags+0x160/0x160 [ 399.391823] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.397363] ? check_preemption_disabled+0x48/0x280 [ 399.402406] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 399.407963] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 399.413245] ? rcu_pm_notify+0xc0/0xc0 [ 399.417132] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.422672] ? check_preemption_disabled+0x48/0x280 [ 399.427738] run_timer_softirq+0x52/0xb0 [ 399.431797] ? rcu_read_lock_sched_held+0x108/0x120 [ 399.436816] __do_softirq+0x30c/0xb03 [ 399.440629] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 399.445733] ? trace_hardirqs_off+0xb8/0x310 [ 399.450146] ? schedule+0x108/0x460 [ 399.453823] ? trace_hardirqs_off+0xb8/0x310 [ 399.458236] ? smpboot_thread_fn+0x68b/0xa00 [ 399.462651] ? trace_hardirqs_on+0x310/0x310 [ 399.467075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.472618] ? check_preemption_disabled+0x48/0x280 [ 399.477641] ? takeover_tasklets+0xa90/0xa90 [ 399.482058] run_ksoftirqd+0x94/0x100 [ 399.485856] smpboot_thread_fn+0x68b/0xa00 [ 399.490096] ? sort_range+0x30/0x30 [ 399.493738] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 399.498841] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.504379] ? __kthread_parkme+0xfb/0x1a0 [ 399.508623] kthread+0x35a/0x420 [ 399.512002] ? sort_range+0x30/0x30 [ 399.515626] ? kthread_bind+0x40/0x40 [ 399.519433] ret_from_fork+0x3a/0x50 [ 399.523204] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 399.523209] warn_alloc_show_mem: 1 callbacks suppressed [ 399.523216] Mem-Info: [ 399.530488] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 399.535851] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 399.535851] active_file:15 inactive_file:13 isolated_file:0 [ 399.535851] unevictable:0 dirty:0 writeback:0 unstable:0 [ 399.535851] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 399.535851] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 399.535851] free:13788 free_pcp:609 free_cma:0 [ 399.538224] Call Trace: [ 399.547643] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 399.580491] [ 399.583065] Node 0 [ 399.610571] dump_stack+0x1c4/0x2b6 [ 399.612715] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 399.614923] ? dump_stack_print_info.cold.1+0x20/0x20 [ 399.618523] lowmem_reserve[]: [ 399.644029] warn_alloc.cold.119+0xb7/0x1bd [ 399.649189] 0 [ 399.652291] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 399.656586] 2819 [ 399.658387] ? lock_downgrade+0x900/0x900 [ 399.663195] 6323 6323 [ 399.665287] ? trace_hardirqs_off+0xb8/0x310 [ 399.671904] ? trace_hardirqs_off+0xb8/0x310 [ 399.676287] Node 0 DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 399.680737] __alloc_pages_slowpath+0x265e/0x2d70 [ 399.680780] ? warn_alloc+0x120/0x120 [ 399.708226] lowmem_reserve[]: 0 [ 399.713099] ? lock_release+0x970/0x970 [ 399.716883] 0 [ 399.720162] ? warn_alloc+0x120/0x120 [ 399.724110] 3503 [ 399.725920] ? print_usage_bug+0xc0/0xc0 [ 399.729689] 3503 [ 399.731751] ? warn_alloc+0x120/0x120 [ 399.735790] Node 0 [ 399.737847] ? print_usage_bug+0xc0/0xc0 [ 399.741651] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 399.743854] ? __lock_acquire+0x7ec/0x4ec0 [ 399.747894] lowmem_reserve[]: [ 399.776298] ? __lock_acquire+0x7ec/0x4ec0 [ 399.780530] 0 [ 399.783659] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.787859] 0 0 [ 399.789694] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 399.795199] 0 [ 399.797236] ? should_fail+0x22d/0xd01 [ 399.802748] Node 0 [ 399.804545] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.808406] DMA: [ 399.810637] ? __lock_acquire+0x7ec/0x4ec0 [ 399.815715] 1*4kB [ 399.817772] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 399.821976] (U) [ 399.824121] ? __lock_acquire+0x7ec/0x4ec0 [ 399.829204] 0*8kB [ 399.831186] ? should_fail+0x22d/0xd01 [ 399.835396] 0*16kB [ 399.837564] ? mark_held_locks+0x130/0x130 [ 399.841415] 1*32kB (U) [ 399.843652] ? mark_held_locks+0x130/0x130 [ 399.847863] 2*64kB [ 399.850459] ? graph_lock+0x170/0x170 [ 399.854664] (U) 1*128kB [ 399.856903] ? print_usage_bug+0xc0/0xc0 [ 399.860683] (U) [ 399.863365] ? graph_lock+0x170/0x170 [ 399.867398] 1*256kB (U) [ 399.869389] ? print_usage_bug+0xc0/0xc0 [ 399.873164] 0*512kB 1*1024kB [ 399.875837] ? wq_watchdog_touch+0x9c/0xfe [ 399.879873] (U) 1*2048kB [ 399.882995] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.887201] (M) 3*4096kB [ 399.889969] ? check_preemption_disabled+0x48/0x280 [ 399.895475] (M) [ 399.898234] ? check_preemption_disabled+0x48/0x280 [ 399.903224] = 15908kB [ 399.905202] ? __lock_is_held+0xb5/0x140 [ 399.910213] Node 0 [ 399.912639] __alloc_pages_nodemask+0xa80/0xde0 [ 399.916670] DMA32: [ 399.918914] ? graph_lock+0x170/0x170 [ 399.923560] 5*4kB [ 399.925803] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 399.929576] (UM) [ 399.931727] ? graph_lock+0x170/0x170 [ 399.936744] 0*8kB [ 399.938805] ? find_held_lock+0x36/0x1c0 [ 399.942579] 3*16kB [ 399.944727] ? ____cache_alloc_node+0x1c7/0x1e0 [ 399.948756] (UM) [ 399.950998] ? lock_downgrade+0x900/0x900 [ 399.955637] 2*32kB (M) [ 399.957723] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 399.961850] 5*64kB [ 399.964427] cache_grow_begin+0x91/0x8c0 [ 399.969946] (UM) [ 399.972183] ? do_raw_spin_unlock+0xa7/0x330 [ 399.976223] 4*128kB [ 399.978283] fallback_alloc+0x203/0x2e0 [ 399.982658] (UM) 3*256kB [ 399.985001] ____cache_alloc_node+0x1c7/0x1e0 [ 399.988948] (M) [ 399.991700] kmem_cache_alloc_node+0xe3/0x730 [ 399.996183] 4*512kB [ 399.998154] ? ipv6_get_ifaddr+0x42e/0x620 [ 400.002823] (UM) 3*1024kB [ 400.005163] __alloc_skb+0x119/0x770 [ 400.009460] (UM) [ 400.012302] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.016069] 3*2048kB (M) [ 400.018132] ? skb_scrub_packet+0x490/0x490 [ 400.023380] 3*4096kB (M) [ 400.026140] ? lock_downgrade+0x900/0x900 [ 400.030434] = 25284kB [ 400.033190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.037321] Node 0 [ 400.039740] ? refcount_sub_and_test_checked+0x203/0x310 [ 400.045243] Normal: 888*4kB [ 400.047482] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 400.052904] (UMEH) [ 400.055940] ? addrconf_rs_timer+0x690/0x690 [ 400.061357] 387*8kB [ 400.063612] ndisc_alloc_skb+0x144/0x340 [ 400.068001] (UME) [ 400.070323] ndisc_send_rs+0x331/0x6e0 [ 400.074359] 157*16kB [ 400.076502] addrconf_rs_timer+0x314/0x690 [ 400.080373] (UME) [ 400.082791] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.086997] 53*32kB [ 400.089151] call_timer_fn+0x272/0x920 [ 400.093351] (UMEH) 26*64kB [ 400.095692] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.099557] (UMH) [ 400.102491] ? process_timeout+0x40/0x40 [ 400.106726] 4*128kB [ 400.108876] ? find_held_lock+0x36/0x1c0 [ 400.112915] (UMH) [ 400.115241] ? __run_timers+0x7da/0xc70 [ 400.119272] 0*256kB [ 400.121412] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.125365] 0*512kB [ 400.127681] ? _raw_spin_unlock_irq+0x27/0x80 [ 400.132151] 1*1024kB [ 400.134486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.138954] (H) [ 400.141363] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 400.145575] 0*2048kB [ 400.147576] ? trace_hardirqs_on+0xbd/0x310 [ 400.152133] 0*4096kB [ 400.154546] ? kasan_check_read+0x11/0x20 [ 400.158841] = 14056kB [ 400.161262] ? __run_timers+0x7da/0xc70 [ 400.165402] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 400.167832] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 400.171787] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 400.180720] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.186139] 147 total pagecache pages [ 400.194713] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 400.198953] 0 pages in swap cache [ 400.202733] __run_timers+0x7e5/0xc70 [ 400.206937] Swap cache stats: add 0, delete 0, find 0/0 [ 400.206946] Free swap = 0kB [ 400.210404] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 400.214177] Total swap = 0kB [ 400.219537] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 400.222662] 1965979 pages RAM [ 400.228022] ? graph_lock+0x170/0x170 [ 400.231014] 0 pages HighMem/MovableOnly [ 400.231023] 342307 pages reserved [ 400.236034] ? enqueue_hrtimer+0x1a5/0x560 [ 400.239111] 0 pages cma reserved [ 400.239234] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.242937] ? lock_release+0x970/0x970 [ 400.242953] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 400.242973] ? find_held_lock+0x36/0x1c0 [ 400.246982] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.250386] ? graph_lock+0x170/0x170 [ 400.254597] ksoftirqd/0 cpuset= [ 400.257956] ? pvclock_read_flags+0x160/0x160 [ 400.264431] / [ 400.268448] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.273625] mems_allowed=0 [ 400.277683] ? check_preemption_disabled+0x48/0x280 [ 400.314701] ? __lock_is_held+0xb5/0x140 [ 400.318779] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.324321] ? check_preemption_disabled+0x48/0x280 [ 400.329345] run_timer_softirq+0x52/0xb0 [ 400.333422] ? rcu_read_lock_sched_held+0x108/0x120 [ 400.338443] __do_softirq+0x30c/0xb03 [ 400.342259] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 400.347370] ? pvclock_read_flags+0x160/0x160 [ 400.351864] ? lapic_next_event+0x5a/0x90 [ 400.356025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.361568] ? check_preemption_disabled+0x48/0x280 [ 400.366584] ? check_preemption_disabled+0x48/0x280 [ 400.371609] ? kvm_clock_read+0x18/0x30 [ 400.375596] ? kvm_sched_clock_read+0x9/0x20 [ 400.380014] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.385551] ? check_preemption_disabled+0x48/0x280 [ 400.390610] irq_exit+0x17f/0x1c0 [ 400.394065] smp_apic_timer_interrupt+0x1cb/0x760 [ 400.398908] ? smp_reschedule_interrupt+0x109/0x650 [ 400.403933] ? smp_call_function_single_interrupt+0x650/0x650 [ 400.409817] ? interrupt_entry+0xb5/0xf0 [ 400.413884] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.418897] ? trace_hardirqs_off_caller+0xbb/0x310 [ 400.423923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.428792] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.433806] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.438826] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.444378] ? check_preemption_disabled+0x48/0x280 [ 400.449393] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.454943] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.459796] apic_timer_interrupt+0xf/0x20 [ 400.464024] [ 400.466267] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 400.471198] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 400.490099] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 400.497812] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 400.505082] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 400.512347] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 400.519630] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 400.526954] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 400.534266] skb_clone+0x1bb/0x500 [ 400.537807] ? finish_task_switch+0x1b4/0x910 [ 400.542303] ? skb_split+0x11e0/0x11e0 [ 400.546239] ? preempt_notifier_register+0x200/0x200 [ 400.551357] ? __switch_to_asm+0x34/0x70 [ 400.555420] ? __switch_to_asm+0x34/0x70 [ 400.559479] ? __switch_to_asm+0x40/0x70 [ 400.563536] ? __switch_to_asm+0x34/0x70 [ 400.567599] ? __switch_to_asm+0x40/0x70 [ 400.571662] ? __switch_to_asm+0x34/0x70 [ 400.575722] ? __switch_to_asm+0x40/0x70 [ 400.579783] ? __switch_to_asm+0x34/0x70 [ 400.583843] ? __switch_to_asm+0x34/0x70 [ 400.587902] ? __switch_to_asm+0x40/0x70 [ 400.591978] ? __switch_to_asm+0x34/0x70 [ 400.596051] bpf_clone_redirect+0xb9/0x490 [ 400.600294] ? __schedule+0x874/0x1ed0 [ 400.604196] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 400.609215] ? __sched_text_start+0x8/0x8 [ 400.613383] ? lockdep_hardirqs_on+0x421/0x5c0 [ 400.617964] ? retint_kernel+0x2d/0x2d [ 400.621852] ? trace_hardirqs_on_caller+0xc0/0x310 [ 400.626787] ? find_held_lock+0x36/0x1c0 [ 400.630860] ? lock_acquire+0x1ed/0x520 [ 400.634851] ? bpf_test_run+0x32e/0x5a0 [ 400.638840] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.644383] ? check_preemption_disabled+0x48/0x280 [ 400.649407] ? kasan_check_read+0x11/0x20 [ 400.653557] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 400.658835] ? rcu_bh_qs+0xc0/0xc0 [ 400.662404] ? preempt_schedule+0x4d/0x60 [ 400.666554] ? ___preempt_schedule+0x16/0x18 [ 400.670973] ? bpf_test_run+0x1c0/0x5a0 [ 400.674981] ? netlink_diag_dump+0x2a0/0x2a0 [ 400.679393] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.684933] ? bpf_test_init.isra.9+0x70/0x100 [ 400.689523] ? bpf_prog_test_run_skb+0x634/0xb40 [ 400.694286] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 400.699130] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 400.704673] ? fput+0x130/0x1a0 [ 400.707971] ? __bpf_prog_get+0x9b/0x290 [ 400.712065] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 400.716911] ? bpf_prog_test_run+0x130/0x1a0 [ 400.721330] ? __x64_sys_bpf+0x3d8/0x510 [ 400.725393] ? bpf_prog_get+0x20/0x20 [ 400.729217] ? do_syscall_64+0x1b9/0x820 [ 400.733278] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 400.738646] ? syscall_return_slowpath+0x5e0/0x5e0 [ 400.743582] ? trace_hardirqs_on_caller+0x310/0x310 [ 400.748603] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 400.753618] ? recalc_sigpending_tsk+0x180/0x180 [ 400.758375] ? kasan_check_write+0x14/0x20 [ 400.762620] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 400.767473] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 400.772859] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 400.772941] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 400.779613] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 400.779621] Call Trace: [ 400.786310] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 400.795566] dump_stack+0x1c4/0x2b6 [ 400.798124] syz-executor1 cpuset= [ 400.808615] ? dump_stack_print_info.cold.1+0x20/0x20 [ 400.812215] syz1 [ 400.815697] warn_alloc.cold.119+0xb7/0x1bd [ 400.820850] mems_allowed=0 [ 400.822845] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 400.834909] ? lock_downgrade+0x900/0x900 [ 400.839068] ? trace_hardirqs_off+0xb8/0x310 [ 400.843484] ? trace_hardirqs_off+0xb8/0x310 [ 400.847907] __alloc_pages_slowpath+0x265e/0x2d70 [ 400.852797] ? warn_alloc+0x120/0x120 [ 400.856638] ? warn_alloc+0x120/0x120 [ 400.860452] ? print_usage_bug+0xc0/0xc0 [ 400.864527] ? warn_alloc+0x120/0x120 [ 400.868343] ? print_usage_bug+0xc0/0xc0 [ 400.872406] ? __lock_acquire+0x7ec/0x4ec0 [ 400.876646] ? __lock_acquire+0x7ec/0x4ec0 [ 400.880885] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.886419] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 400.891968] ? should_fail+0x22d/0xd01 [ 400.895860] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.900963] ? __lock_acquire+0x7ec/0x4ec0 [ 400.905204] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 400.910305] ? __lock_acquire+0x7ec/0x4ec0 [ 400.914715] ? should_fail+0x22d/0xd01 [ 400.918615] ? mark_held_locks+0x130/0x130 [ 400.922858] ? mark_held_locks+0x130/0x130 [ 400.927098] ? graph_lock+0x170/0x170 [ 400.930901] ? print_usage_bug+0xc0/0xc0 [ 400.934961] ? graph_lock+0x170/0x170 [ 400.938759] ? print_usage_bug+0xc0/0xc0 [ 400.942824] ? wq_watchdog_touch+0x9c/0xfe [ 400.947073] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 400.952616] ? check_preemption_disabled+0x48/0x280 [ 400.957632] ? check_preemption_disabled+0x48/0x280 [ 400.962666] ? __lock_is_held+0xb5/0x140 [ 400.966736] __alloc_pages_nodemask+0xa80/0xde0 [ 400.971407] ? graph_lock+0x170/0x170 [ 400.975223] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 400.980251] ? graph_lock+0x170/0x170 [ 400.984078] ? find_held_lock+0x36/0x1c0 [ 400.988172] ? ____cache_alloc_node+0x1c7/0x1e0 [ 400.992845] ? lock_downgrade+0x900/0x900 [ 400.997002] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.002548] cache_grow_begin+0x91/0x8c0 [ 401.006613] ? do_raw_spin_unlock+0xa7/0x330 [ 401.011047] fallback_alloc+0x203/0x2e0 [ 401.015031] ____cache_alloc_node+0x1c7/0x1e0 [ 401.019533] kmem_cache_alloc_node+0xe3/0x730 [ 401.024032] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.028286] __alloc_skb+0x119/0x770 [ 401.032031] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.037326] ? skb_scrub_packet+0x490/0x490 [ 401.041648] ? lock_downgrade+0x900/0x900 [ 401.045837] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.051376] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.056832] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.062284] ? addrconf_rs_timer+0x690/0x690 [ 401.066709] ndisc_alloc_skb+0x144/0x340 [ 401.070793] ndisc_send_rs+0x331/0x6e0 [ 401.074687] addrconf_rs_timer+0x314/0x690 [ 401.078928] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.083228] call_timer_fn+0x272/0x920 [ 401.087113] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.091348] ? process_timeout+0x40/0x40 [ 401.095405] ? find_held_lock+0x36/0x1c0 [ 401.099490] ? __run_timers+0x7da/0xc70 [ 401.103497] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.107992] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.112486] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.116721] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 401.121308] ? trace_hardirqs_on+0xbd/0x310 [ 401.125633] ? kasan_check_read+0x11/0x20 [ 401.129782] ? __run_timers+0x7da/0xc70 [ 401.133762] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.139226] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.143517] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.147753] __run_timers+0x7e5/0xc70 [ 401.151669] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 401.157036] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.161534] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.166037] ? lockdep_hardirqs_on+0x421/0x5c0 [ 401.170733] ? trace_hardirqs_on+0xbd/0x310 [ 401.175062] ? kasan_check_read+0x11/0x20 [ 401.179217] ? finish_task_switch+0x1f4/0x910 [ 401.183748] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.189204] ? compat_start_thread+0x80/0x80 [ 401.193617] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.199204] ? pvclock_read_flags+0x160/0x160 [ 401.203736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.209277] ? check_preemption_disabled+0x48/0x280 [ 401.214320] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 401.219870] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.225167] ? rcu_pm_notify+0xc0/0xc0 [ 401.229057] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.234600] ? check_preemption_disabled+0x48/0x280 [ 401.239625] run_timer_softirq+0x52/0xb0 [ 401.243688] ? rcu_read_lock_sched_held+0x108/0x120 [ 401.248709] __do_softirq+0x30c/0xb03 [ 401.252526] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 401.257628] ? trace_hardirqs_off+0xb8/0x310 [ 401.262051] ? schedule+0x108/0x460 [ 401.265689] ? trace_hardirqs_off+0xb8/0x310 [ 401.270101] ? smpboot_thread_fn+0x68b/0xa00 [ 401.274512] ? trace_hardirqs_on+0x310/0x310 [ 401.278941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.284482] ? check_preemption_disabled+0x48/0x280 [ 401.289502] ? takeover_tasklets+0xa90/0xa90 [ 401.293916] run_ksoftirqd+0x94/0x100 [ 401.297730] smpboot_thread_fn+0x68b/0xa00 [ 401.301972] ? sort_range+0x30/0x30 [ 401.305600] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 401.310705] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.316244] ? __kthread_parkme+0xfb/0x1a0 [ 401.320487] kthread+0x35a/0x420 [ 401.323888] ? sort_range+0x30/0x30 [ 401.327536] ? kthread_bind+0x40/0x40 [ 401.331385] ret_from_fork+0x3a/0x50 [ 401.335118] warn_alloc_show_mem: 1 callbacks suppressed [ 401.335130] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 401.335132] Mem-Info: [ 401.335173] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 401.335173] active_file:15 inactive_file:13 isolated_file:0 [ 401.335173] unevictable:0 dirty:0 writeback:0 unstable:0 [ 401.335173] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 401.335173] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 401.335173] free:13788 free_pcp:609 free_cma:0 [ 401.340540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 401.347828] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 401.350231] Call Trace: [ 401.383199] Node 0 [ 401.392551] [ 401.420075] 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 [ 401.422637] dump_stack+0x1c4/0x2b6 [ 401.424836] lowmem_reserve[]: 0 [ 401.427038] ? dump_stack_print_info.cold.1+0x20/0x20 [ 401.452510] 2819 6323 [ 401.456188] warn_alloc.cold.119+0xb7/0x1bd [ 401.459426] 6323 [ 401.464613] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 401.471404] ? lock_downgrade+0x900/0x900 [ 401.473443] Node 0 [ 401.478319] ? trace_hardirqs_off+0xb8/0x310 [ 401.482472] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 401.484693] ? trace_hardirqs_off+0xb8/0x310 [ 401.489072] lowmem_reserve[]: [ 401.515979] __alloc_pages_slowpath+0x265e/0x2d70 [ 401.520355] 0 [ 401.523480] ? warn_alloc+0x120/0x120 [ 401.528274] 0 [ 401.530089] ? trace_hardirqs_on+0x310/0x310 [ 401.533861] 3503 [ 401.535661] ? warn_alloc+0x120/0x120 [ 401.540043] 3503 [ 401.542105] ? print_usage_bug+0xc0/0xc0 [ 401.547940] ? warn_alloc+0x120/0x120 [ 401.551975] Node 0 [ 401.555764] ? ktime_get+0x2e1/0x440 [ 401.555800] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 401.558031] ? print_usage_bug+0xc0/0xc0 [ 401.561714] lowmem_reserve[]: 0 [ 401.590097] ? __lock_acquire+0x7ec/0x4ec0 [ 401.594138] 0 [ 401.597420] ? __lock_acquire+0x7ec/0x4ec0 [ 401.601642] 0 0 [ 401.603446] ? kasan_check_read+0x11/0x20 [ 401.603464] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 401.607680] Node 0 [ 401.609650] ? should_fail+0x22d/0xd01 [ 401.613772] DMA: [ 401.619307] ? rcu_bh_qs+0xc0/0xc0 [ 401.621524] 1*4kB [ 401.625403] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.627443] (U) [ 401.630991] ? __lock_acquire+0x7ec/0x4ec0 [ 401.633121] 0*8kB [ 401.638234] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 401.640188] 0*16kB [ 401.644413] ? __lock_acquire+0x7ec/0x4ec0 [ 401.646540] 1*32kB [ 401.651638] ? should_fail+0x22d/0xd01 [ 401.653852] (U) [ 401.658083] ? rcu_idle_enter+0x4b0/0x4b0 [ 401.660294] 2*64kB [ 401.664184] ? mark_held_locks+0x130/0x130 [ 401.666135] (U) [ 401.670282] ? mark_held_locks+0x130/0x130 [ 401.672496] 1*128kB [ 401.676727] ? mark_held_locks+0xc7/0x130 [ 401.678676] (U) [ 401.682906] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 401.685218] 1*256kB [ 401.689355] ? graph_lock+0x170/0x170 [ 401.691321] (U) [ 401.696338] ? print_usage_bug+0xc0/0xc0 [ 401.698665] 0*512kB [ 401.702462] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.704412] 1*1024kB [ 401.708467] ? check_preemption_disabled+0x48/0x280 [ 401.710767] (U) [ 401.716310] ? check_preemption_disabled+0x48/0x280 [ 401.718698] 1*2048kB [ 401.723721] ? __lock_is_held+0xb5/0x140 [ 401.725665] (M) [ 401.730676] __alloc_pages_nodemask+0xa80/0xde0 [ 401.733057] 3*4096kB [ 401.737106] ? graph_lock+0x170/0x170 [ 401.739058] (M) [ 401.743722] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 401.746102] = 15908kB [ 401.746125] Node 0 [ 401.749918] ? graph_lock+0x170/0x170 [ 401.751888] DMA32: [ 401.756918] ? find_held_lock+0x36/0x1c0 [ 401.759297] 5*4kB [ 401.761532] ? ____cache_alloc_node+0x1c7/0x1e0 [ 401.765301] (UM) [ 401.767535] ? lock_downgrade+0x900/0x900 [ 401.771575] 0*8kB [ 401.773732] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.778370] 3*16kB [ 401.780427] cache_grow_begin+0x91/0x8c0 [ 401.784551] (UM) [ 401.786695] ? do_raw_spin_unlock+0xa7/0x330 [ 401.792203] 2*32kB [ 401.794436] fallback_alloc+0x203/0x2e0 [ 401.798472] (M) [ 401.800540] ____cache_alloc_node+0x1c7/0x1e0 [ 401.804938] 5*64kB [ 401.807188] kmem_cache_alloc_node+0xe3/0x730 [ 401.811148] (UM) [ 401.813131] ? ipv6_get_ifaddr+0x42e/0x620 [ 401.817603] 4*128kB [ 401.819840] __alloc_skb+0x119/0x770 [ 401.824300] (UM) [ 401.826359] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 401.830569] 3*256kB [ 401.832888] ? skb_scrub_packet+0x490/0x490 [ 401.836580] (M) [ 401.838639] ? lock_downgrade+0x900/0x900 [ 401.843886] 4*512kB (UM) [ 401.846214] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 401.850504] 3*1024kB [ 401.852489] ? refcount_sub_and_test_checked+0x203/0x310 [ 401.856608] (UM) [ 401.859358] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 401.864873] 3*2048kB [ 401.867279] ? addrconf_rs_timer+0x690/0x690 [ 401.872698] (M) [ 401.874763] ndisc_alloc_skb+0x144/0x340 [ 401.880200] 3*4096kB [ 401.882605] ndisc_send_rs+0x331/0x6e0 [ 401.887014] (M) [ 401.888986] addrconf_rs_timer+0x314/0x690 [ 401.893020] = 25284kB [ 401.895429] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.899294] Node 0 [ 401.901284] call_timer_fn+0x272/0x920 [ 401.905480] Normal: [ 401.907887] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.912096] 888*4kB [ 401.914775] ? process_timeout+0x40/0x40 [ 401.918641] (UMEH) [ 401.920977] ? find_held_lock+0x36/0x1c0 [ 401.925187] 387*8kB [ 401.927507] ? __run_timers+0x7da/0xc70 [ 401.931538] (UME) [ 401.933785] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.937820] 157*16kB [ 401.940145] ? _raw_spin_unlock_irq+0x27/0x80 [ 401.944098] (UME) [ 401.946247] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.950715] 53*32kB (UMEH) [ 401.953145] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 401.957618] 26*64kB [ 401.959761] ? trace_hardirqs_on+0xbd/0x310 [ 401.963970] (UMH) [ 401.966900] ? kasan_check_read+0x11/0x20 [ 401.971457] 4*128kB [ 401.973773] ? __run_timers+0x7da/0xc70 [ 401.978066] (UMH) [ 401.980234] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 401.984357] 0*256kB [ 401.986674] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.990625] 0*512kB [ 401.992768] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 401.998191] 1*1024kB [ 402.000510] __run_timers+0x7e5/0xc70 [ 402.004732] (H) [ 402.007060] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.011259] 0*2048kB [ 402.013667] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 402.017449] 0*4096kB [ 402.019420] ? graph_lock+0x170/0x170 [ 402.024778] = 14056kB [ 402.027187] ? enqueue_hrtimer+0x1a5/0x560 [ 402.032195] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 402.034595] ? lock_release+0x970/0x970 [ 402.038375] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 402.040777] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 402.044987] 147 total pagecache pages [ 402.053817] ? find_held_lock+0x36/0x1c0 [ 402.057772] 0 pages in swap cache [ 402.066336] ? graph_lock+0x170/0x170 [ 402.071504] Swap cache stats: add 0, delete 0, find 0/0 [ 402.071513] Free swap = 0kB [ 402.075347] ? pvclock_read_flags+0x160/0x160 [ 402.079384] Total swap = 0kB [ 402.082832] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.086610] 1965979 pages RAM [ 402.091985] ? check_preemption_disabled+0x48/0x280 [ 402.094989] 0 pages HighMem/MovableOnly [ 402.099501] ? __lock_is_held+0xb5/0x140 [ 402.102506] 342307 pages reserved [ 402.108035] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.111118] 0 pages cma reserved [ 402.116126] ? check_preemption_disabled+0x48/0x280 [ 402.120144] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.124132] run_timer_softirq+0x52/0xb0 [ 402.124147] ? rcu_read_lock_sched_held+0x108/0x120 [ 402.124174] __do_softirq+0x30c/0xb03 [ 402.127664] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.133146] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 402.136488] ksoftirqd/0 cpuset= [ 402.141498] ? pvclock_read_flags+0x160/0x160 [ 402.147963] / [ 402.152017] ? lapic_next_event+0x5a/0x90 [ 402.157016] mems_allowed=0 [ 402.160808] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.198221] ? check_preemption_disabled+0x48/0x280 [ 402.203240] ? check_preemption_disabled+0x48/0x280 [ 402.208268] ? kvm_clock_read+0x18/0x30 [ 402.212246] ? kvm_sched_clock_read+0x9/0x20 [ 402.216657] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.222201] ? check_preemption_disabled+0x48/0x280 [ 402.227231] irq_exit+0x17f/0x1c0 [ 402.230690] smp_apic_timer_interrupt+0x1cb/0x760 [ 402.235532] ? smp_reschedule_interrupt+0x109/0x650 [ 402.240560] ? smp_call_function_single_interrupt+0x650/0x650 [ 402.246447] ? interrupt_entry+0xb5/0xf0 [ 402.250513] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.255527] ? trace_hardirqs_off_caller+0xbb/0x310 [ 402.260552] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.265401] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.270417] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.275434] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.280975] ? check_preemption_disabled+0x48/0x280 [ 402.285996] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.291548] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.296405] apic_timer_interrupt+0xf/0x20 [ 402.300637] [ 402.302880] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 402.307843] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 402.326749] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 402.334460] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 402.341729] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 402.348998] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 402.356268] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 402.363540] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 402.370857] skb_clone+0x1bb/0x500 [ 402.374411] ? finish_task_switch+0x1b4/0x910 [ 402.378944] ? skb_split+0x11e0/0x11e0 [ 402.382875] ? preempt_notifier_register+0x200/0x200 [ 402.388018] ? __switch_to_asm+0x34/0x70 [ 402.392093] ? __switch_to_asm+0x34/0x70 [ 402.396187] ? __switch_to_asm+0x40/0x70 [ 402.400248] ? __switch_to_asm+0x34/0x70 [ 402.404318] ? __switch_to_asm+0x40/0x70 [ 402.408378] ? __switch_to_asm+0x34/0x70 [ 402.412434] ? __switch_to_asm+0x40/0x70 [ 402.416497] ? __switch_to_asm+0x34/0x70 [ 402.420561] ? __switch_to_asm+0x34/0x70 [ 402.424622] ? __switch_to_asm+0x40/0x70 [ 402.428684] ? __switch_to_asm+0x34/0x70 [ 402.432755] bpf_clone_redirect+0xb9/0x490 [ 402.437011] ? __schedule+0x874/0x1ed0 [ 402.440904] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 402.445935] ? __sched_text_start+0x8/0x8 [ 402.450088] ? lockdep_hardirqs_on+0x421/0x5c0 [ 402.454670] ? retint_kernel+0x2d/0x2d [ 402.458562] ? trace_hardirqs_on_caller+0xc0/0x310 [ 402.463496] ? find_held_lock+0x36/0x1c0 [ 402.467567] ? lock_acquire+0x1ed/0x520 [ 402.471541] ? bpf_test_run+0x32e/0x5a0 [ 402.475522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.481062] ? check_preemption_disabled+0x48/0x280 [ 402.486089] ? kasan_check_read+0x11/0x20 [ 402.490269] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.495547] ? rcu_bh_qs+0xc0/0xc0 [ 402.499094] ? preempt_schedule+0x4d/0x60 [ 402.503248] ? ___preempt_schedule+0x16/0x18 [ 402.507665] ? bpf_test_run+0x1c0/0x5a0 [ 402.511656] ? netlink_diag_dump+0x2a0/0x2a0 [ 402.516074] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.521608] ? bpf_test_init.isra.9+0x70/0x100 [ 402.526197] ? bpf_prog_test_run_skb+0x634/0xb40 [ 402.530967] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.535830] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 402.541377] ? fput+0x130/0x1a0 [ 402.544662] ? __bpf_prog_get+0x9b/0x290 [ 402.548727] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 402.553571] ? bpf_prog_test_run+0x130/0x1a0 [ 402.557989] ? __x64_sys_bpf+0x3d8/0x510 [ 402.562067] ? bpf_prog_get+0x20/0x20 [ 402.565894] ? do_syscall_64+0x1b9/0x820 [ 402.569975] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 402.575343] ? syscall_return_slowpath+0x5e0/0x5e0 [ 402.580277] ? trace_hardirqs_on_caller+0x310/0x310 [ 402.585295] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 402.590313] ? recalc_sigpending_tsk+0x180/0x180 [ 402.595072] ? kasan_check_write+0x14/0x20 [ 402.599314] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 402.604177] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 402.609564] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 402.609656] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 402.616328] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 402.616333] Call Trace: [ 402.616359] dump_stack+0x1c4/0x2b6 [ 402.616378] ? dump_stack_print_info.cold.1+0x20/0x20 [ 402.622958] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 402.632212] warn_alloc.cold.119+0xb7/0x1bd [ 402.634761] syz-executor1 cpuset= [ 402.638389] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 402.643551] syz1 [ 402.654030] ? lock_downgrade+0x900/0x900 [ 402.658332] mems_allowed=0 [ 402.661781] ? trace_hardirqs_off+0xb8/0x310 [ 402.680026] ? trace_hardirqs_off+0xb8/0x310 [ 402.684453] __alloc_pages_slowpath+0x265e/0x2d70 [ 402.689329] ? warn_alloc+0x120/0x120 [ 402.693136] ? warn_alloc+0x120/0x120 [ 402.696950] ? print_usage_bug+0xc0/0xc0 [ 402.701036] ? warn_alloc+0x120/0x120 [ 402.704838] ? print_usage_bug+0xc0/0xc0 [ 402.708904] ? __lock_acquire+0x7ec/0x4ec0 [ 402.713136] ? __lock_acquire+0x7ec/0x4ec0 [ 402.717409] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.722984] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 402.728533] ? should_fail+0x22d/0xd01 [ 402.732432] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.737558] ? __lock_acquire+0x7ec/0x4ec0 [ 402.741806] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 402.746906] ? __lock_acquire+0x7ec/0x4ec0 [ 402.751141] ? should_fail+0x22d/0xd01 [ 402.755047] ? mark_held_locks+0x130/0x130 [ 402.759286] ? mark_held_locks+0x130/0x130 [ 402.763525] ? graph_lock+0x170/0x170 [ 402.767328] ? print_usage_bug+0xc0/0xc0 [ 402.771389] ? graph_lock+0x170/0x170 [ 402.775204] ? print_usage_bug+0xc0/0xc0 [ 402.779288] ? wq_watchdog_touch+0x9c/0xfe [ 402.783698] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.789240] ? check_preemption_disabled+0x48/0x280 [ 402.794267] ? check_preemption_disabled+0x48/0x280 [ 402.799297] ? __lock_is_held+0xb5/0x140 [ 402.803371] __alloc_pages_nodemask+0xa80/0xde0 [ 402.808055] ? graph_lock+0x170/0x170 [ 402.811867] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 402.816884] ? graph_lock+0x170/0x170 [ 402.820722] ? find_held_lock+0x36/0x1c0 [ 402.824802] ? ____cache_alloc_node+0x1c7/0x1e0 [ 402.829502] ? lock_downgrade+0x900/0x900 [ 402.833666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.839211] cache_grow_begin+0x91/0x8c0 [ 402.843278] ? do_raw_spin_unlock+0xa7/0x330 [ 402.847700] fallback_alloc+0x203/0x2e0 [ 402.851685] ____cache_alloc_node+0x1c7/0x1e0 [ 402.856194] kmem_cache_alloc_node+0xe3/0x730 [ 402.860696] ? ipv6_get_ifaddr+0x42e/0x620 [ 402.864951] __alloc_skb+0x119/0x770 [ 402.868668] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 402.873949] ? skb_scrub_packet+0x490/0x490 [ 402.878276] ? lock_downgrade+0x900/0x900 [ 402.882439] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 402.887979] ? refcount_sub_and_test_checked+0x203/0x310 [ 402.893439] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 402.898905] ? addrconf_rs_timer+0x690/0x690 [ 402.903327] ndisc_alloc_skb+0x144/0x340 [ 402.907396] ndisc_send_rs+0x331/0x6e0 [ 402.911312] addrconf_rs_timer+0x314/0x690 [ 402.915801] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.920053] call_timer_fn+0x272/0x920 [ 402.923990] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.928228] ? process_timeout+0x40/0x40 [ 402.932290] ? find_held_lock+0x36/0x1c0 [ 402.936359] ? __run_timers+0x7da/0xc70 [ 402.940336] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.944831] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.949332] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.953569] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 402.958153] ? trace_hardirqs_on+0xbd/0x310 [ 402.962489] ? kasan_check_read+0x11/0x20 [ 402.966639] ? __run_timers+0x7da/0xc70 [ 402.970616] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 402.976080] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.980325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 402.984601] __run_timers+0x7e5/0xc70 [ 402.988422] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 402.993798] ? _raw_spin_unlock_irq+0x27/0x80 [ 402.998295] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.002796] ? lockdep_hardirqs_on+0x421/0x5c0 [ 403.007382] ? trace_hardirqs_on+0xbd/0x310 [ 403.011708] ? kasan_check_read+0x11/0x20 [ 403.015860] ? finish_task_switch+0x1f4/0x910 [ 403.020464] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.025916] ? compat_start_thread+0x80/0x80 [ 403.030328] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.035880] ? pvclock_read_flags+0x160/0x160 [ 403.040375] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.045916] ? check_preemption_disabled+0x48/0x280 [ 403.050944] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 403.056487] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.061768] ? rcu_pm_notify+0xc0/0xc0 [ 403.065668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.071208] ? check_preemption_disabled+0x48/0x280 [ 403.076236] run_timer_softirq+0x52/0xb0 [ 403.080297] ? rcu_read_lock_sched_held+0x108/0x120 [ 403.085318] __do_softirq+0x30c/0xb03 [ 403.089137] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 403.094252] ? trace_hardirqs_off+0xb8/0x310 [ 403.098671] ? schedule+0x108/0x460 [ 403.102317] ? trace_hardirqs_off+0xb8/0x310 [ 403.106730] ? smpboot_thread_fn+0x68b/0xa00 [ 403.111164] ? trace_hardirqs_on+0x310/0x310 [ 403.115577] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.121122] ? check_preemption_disabled+0x48/0x280 [ 403.126149] ? takeover_tasklets+0xa90/0xa90 [ 403.130576] run_ksoftirqd+0x94/0x100 [ 403.134378] smpboot_thread_fn+0x68b/0xa00 [ 403.138616] ? sort_range+0x30/0x30 [ 403.142246] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 403.147353] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.152919] ? __kthread_parkme+0xfb/0x1a0 [ 403.157175] kthread+0x35a/0x420 [ 403.160543] ? sort_range+0x30/0x30 [ 403.164177] ? kthread_bind+0x40/0x40 [ 403.167982] ret_from_fork+0x3a/0x50 [ 403.171722] warn_alloc_show_mem: 1 callbacks suppressed [ 403.171734] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 403.171736] Mem-Info: [ 403.171771] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 403.171771] active_file:15 inactive_file:13 isolated_file:0 [ 403.171771] unevictable:0 dirty:0 writeback:0 unstable:0 [ 403.171771] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 403.171771] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 403.171771] free:13788 free_pcp:609 free_cma:0 [ 403.177114] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 403.184389] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 403.186790] Call Trace: [ 403.219670] Node 0 [ 403.229023] [ 403.256542] 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 [ 403.259108] dump_stack+0x1c4/0x2b6 [ 403.261304] lowmem_reserve[]: 0 [ 403.263461] ? dump_stack_print_info.cold.1+0x20/0x20 [ 403.288935] 2819 6323 [ 403.292589] warn_alloc.cold.119+0xb7/0x1bd [ 403.295822] 6323 [ 403.301014] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 403.303485] Node 0 [ 403.307807] ? lock_downgrade+0x900/0x900 [ 403.309871] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 403.314688] ? trace_hardirqs_off+0xb8/0x310 [ 403.316903] lowmem_reserve[]: [ 403.321054] ? trace_hardirqs_off+0xb8/0x310 [ 403.347928] 0 [ 403.352356] __alloc_pages_slowpath+0x265e/0x2d70 [ 403.355424] 0 [ 403.359850] ? warn_alloc+0x120/0x120 [ 403.361616] 3503 [ 403.366485] ? trace_hardirqs_on+0x310/0x310 [ 403.368255] 3503 [ 403.372055] ? warn_alloc+0x120/0x120 [ 403.374112] Node 0 [ 403.378525] ? print_usage_bug+0xc0/0xc0 [ 403.380592] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 403.384362] ? warn_alloc+0x120/0x120 [ 403.386576] lowmem_reserve[]: [ 403.390633] ? ktime_get+0x2e1/0x440 [ 403.418972] 0 0 [ 403.422785] ? print_usage_bug+0xc0/0xc0 [ 403.425855] 0 0 [ 403.429571] ? __lock_acquire+0x7ec/0x4ec0 [ 403.431527] Node 0 [ 403.435582] ? __lock_acquire+0x7ec/0x4ec0 [ 403.437535] DMA: [ 403.441765] ? kasan_check_read+0x11/0x20 [ 403.443979] 1*4kB [ 403.448207] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 403.450247] (U) [ 403.454392] ? should_fail+0x22d/0xd01 [ 403.456515] 0*8kB [ 403.462043] ? rcu_bh_qs+0xc0/0xc0 [ 403.463998] 0*16kB [ 403.467887] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.470010] 1*32kB [ 403.473542] ? __lock_acquire+0x7ec/0x4ec0 [ 403.475752] (U) [ 403.480850] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 403.483083] 2*64kB [ 403.487314] ? __lock_acquire+0x7ec/0x4ec0 [ 403.489275] (U) [ 403.494373] ? should_fail+0x22d/0xd01 [ 403.496582] 1*128kB (U) [ 403.500838] ? rcu_idle_enter+0x4b0/0x4b0 [ 403.502795] 1*256kB [ 403.506676] ? mark_held_locks+0x130/0x130 [ 403.509316] (U) [ 403.513459] ? mark_held_locks+0x130/0x130 [ 403.515758] 0*512kB [ 403.519985] ? mark_held_locks+0xc7/0x130 [ 403.521940] 1*1024kB [ 403.526177] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 403.528476] (U) [ 403.532615] ? graph_lock+0x170/0x170 [ 403.535006] 1*2048kB [ 403.540019] ? print_usage_bug+0xc0/0xc0 [ 403.541971] (M) [ 403.545765] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.548150] 3*4096kB [ 403.552212] ? check_preemption_disabled+0x48/0x280 [ 403.554166] (M) [ 403.559702] ? check_preemption_disabled+0x48/0x280 [ 403.562090] = 15908kB [ 403.567108] ? __lock_is_held+0xb5/0x140 [ 403.569057] Node 0 [ 403.574070] __alloc_pages_nodemask+0xa80/0xde0 [ 403.576455] DMA32: [ 403.580505] ? graph_lock+0x170/0x170 [ 403.582719] 5*4kB [ 403.587383] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 403.589593] (UM) [ 403.593389] ? graph_lock+0x170/0x170 [ 403.595520] 0*8kB [ 403.600538] ? find_held_lock+0x36/0x1c0 [ 403.602574] 3*16kB [ 403.606376] ? ____cache_alloc_node+0x1c7/0x1e0 [ 403.608498] (UM) [ 403.612571] ? lock_downgrade+0x900/0x900 [ 403.614778] 2*32kB (M) [ 403.619458] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.621498] 5*64kB [ 403.625657] cache_grow_begin+0x91/0x8c0 [ 403.628218] (UM) [ 403.633751] ? do_raw_spin_unlock+0xa7/0x330 [ 403.635963] 4*128kB [ 403.640118] fallback_alloc+0x203/0x2e0 [ 403.642170] (UM) [ 403.646592] ____cache_alloc_node+0x1c7/0x1e0 [ 403.648887] 3*256kB (M) [ 403.652871] kmem_cache_alloc_node+0xe3/0x730 [ 403.654912] 4*512kB [ 403.659404] ? ipv6_get_ifaddr+0x42e/0x620 [ 403.662049] (UM) [ 403.666548] __alloc_skb+0x119/0x770 [ 403.668844] 3*1024kB [ 403.673071] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 403.675106] (UM) [ 403.678814] ? skb_scrub_packet+0x490/0x490 [ 403.681200] 3*2048kB [ 403.686467] ? lock_downgrade+0x900/0x900 [ 403.688503] (M) [ 403.692820] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.695203] 3*4096kB [ 403.699343] ? refcount_sub_and_test_checked+0x203/0x310 [ 403.701294] (M) [ 403.706822] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 403.709209] = 25284kB [ 403.714651] ? addrconf_rs_timer+0x690/0x690 [ 403.716600] Node 0 [ 403.722055] ndisc_alloc_skb+0x144/0x340 [ 403.724434] Normal: [ 403.728836] ndisc_send_rs+0x331/0x6e0 [ 403.731050] 888*4kB [ 403.735110] addrconf_rs_timer+0x314/0x690 [ 403.737406] (UMEH) [ 403.741287] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.743591] 387*8kB [ 403.747828] call_timer_fn+0x272/0x920 [ 403.750029] (UME) [ 403.754259] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.756555] 157*16kB (UME) [ 403.760445] ? process_timeout+0x40/0x40 [ 403.760461] ? find_held_lock+0x36/0x1c0 [ 403.762589] 53*32kB [ 403.766820] ? __run_timers+0x7da/0xc70 [ 403.769727] (UMEH) [ 403.773784] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.777821] 26*64kB [ 403.780135] ? _raw_spin_unlock_irq+0x27/0x80 [ 403.784085] (UMH) [ 403.786318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.790790] 4*128kB [ 403.793108] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 403.797576] (UMH) [ 403.799725] ? trace_hardirqs_on+0xbd/0x310 [ 403.803947] 0*256kB 0*512kB [ 403.806276] ? kasan_check_read+0x11/0x20 [ 403.810831] 1*1024kB [ 403.812974] ? __run_timers+0x7da/0xc70 [ 403.817269] (H) [ 403.820280] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 403.824421] 0*2048kB [ 403.826826] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.830770] 0*4096kB [ 403.832744] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 403.838173] = 14056kB [ 403.840582] __run_timers+0x7e5/0xc70 [ 403.844799] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 403.847205] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 403.851412] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 403.853810] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 403.857586] 147 total pagecache pages [ 403.866416] ? graph_lock+0x170/0x170 [ 403.871763] 0 pages in swap cache [ 403.880327] ? enqueue_hrtimer+0x1a5/0x560 [ 403.885323] Swap cache stats: add 0, delete 0, find 0/0 [ 403.889114] ? lock_release+0x970/0x970 [ 403.892903] Free swap = 0kB [ 403.896364] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 403.900576] Total swap = 0kB [ 403.905935] ? find_held_lock+0x36/0x1c0 [ 403.909880] 1965979 pages RAM [ 403.912889] ? graph_lock+0x170/0x170 [ 403.918060] 0 pages HighMem/MovableOnly [ 403.918069] 342307 pages reserved [ 403.921082] ? pvclock_read_flags+0x160/0x160 [ 403.925117] 0 pages cma reserved [ 403.928222] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.932071] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 403.935972] ? check_preemption_disabled+0x48/0x280 [ 403.939466] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 403.943896] ? __lock_is_held+0xb5/0x140 [ 403.947235] ksoftirqd/0 cpuset= [ 403.952764] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 403.959229] / [ 403.964240] ? check_preemption_disabled+0x48/0x280 [ 403.974532] mems_allowed=0 [ 403.978594] run_timer_softirq+0x52/0xb0 [ 404.001039] ? rcu_read_lock_sched_held+0x108/0x120 [ 404.006060] __do_softirq+0x30c/0xb03 [ 404.009874] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.014983] ? pvclock_read_flags+0x160/0x160 [ 404.019479] ? lapic_next_event+0x5a/0x90 [ 404.023632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.029182] ? check_preemption_disabled+0x48/0x280 [ 404.034202] ? check_preemption_disabled+0x48/0x280 [ 404.039226] ? kvm_clock_read+0x18/0x30 [ 404.043201] ? kvm_sched_clock_read+0x9/0x20 [ 404.047616] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.053192] ? check_preemption_disabled+0x48/0x280 [ 404.058224] irq_exit+0x17f/0x1c0 [ 404.061688] smp_apic_timer_interrupt+0x1cb/0x760 [ 404.066622] ? smp_reschedule_interrupt+0x109/0x650 [ 404.071640] ? smp_call_function_single_interrupt+0x650/0x650 [ 404.077523] ? interrupt_entry+0xb5/0xf0 [ 404.081586] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.086616] ? trace_hardirqs_off_caller+0xbb/0x310 [ 404.091653] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.096497] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.101513] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.106530] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.112069] ? check_preemption_disabled+0x48/0x280 [ 404.117085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.122638] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.127495] apic_timer_interrupt+0xf/0x20 [ 404.131724] [ 404.133967] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 404.138897] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 404.157803] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 404.165522] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 404.172839] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 404.180139] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 404.187438] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 404.194716] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 404.202085] skb_clone+0x1bb/0x500 [ 404.205634] ? finish_task_switch+0x1b4/0x910 [ 404.210131] ? skb_split+0x11e0/0x11e0 [ 404.214029] ? preempt_notifier_register+0x200/0x200 [ 404.219134] ? __switch_to_asm+0x34/0x70 [ 404.223203] ? __switch_to_asm+0x34/0x70 [ 404.227263] ? __switch_to_asm+0x40/0x70 [ 404.231321] ? __switch_to_asm+0x34/0x70 [ 404.235383] ? __switch_to_asm+0x40/0x70 [ 404.239444] ? __switch_to_asm+0x34/0x70 [ 404.243503] ? __switch_to_asm+0x40/0x70 [ 404.247565] ? __switch_to_asm+0x34/0x70 [ 404.251626] ? __switch_to_asm+0x34/0x70 [ 404.255685] ? __switch_to_asm+0x40/0x70 [ 404.259747] ? __switch_to_asm+0x34/0x70 [ 404.263822] bpf_clone_redirect+0xb9/0x490 [ 404.268060] ? __schedule+0x874/0x1ed0 [ 404.271958] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 404.276984] ? __sched_text_start+0x8/0x8 [ 404.281136] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.285727] ? retint_kernel+0x2d/0x2d [ 404.289616] ? trace_hardirqs_on_caller+0xc0/0x310 [ 404.294552] ? find_held_lock+0x36/0x1c0 [ 404.298624] ? lock_acquire+0x1ed/0x520 [ 404.302597] ? bpf_test_run+0x32e/0x5a0 [ 404.306573] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.312113] ? check_preemption_disabled+0x48/0x280 [ 404.317136] ? kasan_check_read+0x11/0x20 [ 404.321296] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.326574] ? rcu_bh_qs+0xc0/0xc0 [ 404.330119] ? preempt_schedule+0x4d/0x60 [ 404.334271] ? ___preempt_schedule+0x16/0x18 [ 404.338707] ? bpf_test_run+0x1c0/0x5a0 [ 404.342698] ? netlink_diag_dump+0x2a0/0x2a0 [ 404.347110] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.352646] ? bpf_test_init.isra.9+0x70/0x100 [ 404.357234] ? bpf_prog_test_run_skb+0x634/0xb40 [ 404.361999] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.366843] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 404.372378] ? fput+0x130/0x1a0 [ 404.375663] ? __bpf_prog_get+0x9b/0x290 [ 404.379728] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 404.384574] ? bpf_prog_test_run+0x130/0x1a0 [ 404.388985] ? __x64_sys_bpf+0x3d8/0x510 [ 404.393046] ? bpf_prog_get+0x20/0x20 [ 404.396872] ? do_syscall_64+0x1b9/0x820 [ 404.400937] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 404.406307] ? syscall_return_slowpath+0x5e0/0x5e0 [ 404.411242] ? trace_hardirqs_on_caller+0x310/0x310 [ 404.416262] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 404.421286] ? recalc_sigpending_tsk+0x180/0x180 [ 404.426045] ? kasan_check_write+0x14/0x20 [ 404.430290] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 404.435148] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 404.440543] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 404.440615] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 404.447297] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 404.447302] Call Trace: [ 404.447324] dump_stack+0x1c4/0x2b6 [ 404.447342] ? dump_stack_print_info.cold.1+0x20/0x20 [ 404.447369] warn_alloc.cold.119+0xb7/0x1bd [ 404.453935] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 404.463192] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 404.465756] syz-executor1 cpuset= [ 404.469382] ? lock_downgrade+0x900/0x900 [ 404.474544] syz1 [ 404.478868] ? trace_hardirqs_off+0xb8/0x310 [ 404.489349] mems_allowed=0 [ 404.494209] ? trace_hardirqs_off+0xb8/0x310 [ 404.515455] __alloc_pages_slowpath+0x265e/0x2d70 [ 404.520331] ? warn_alloc+0x120/0x120 [ 404.524143] ? warn_alloc+0x120/0x120 [ 404.527959] ? print_usage_bug+0xc0/0xc0 [ 404.532040] ? warn_alloc+0x120/0x120 [ 404.535870] ? print_usage_bug+0xc0/0xc0 [ 404.539933] ? __lock_acquire+0x7ec/0x4ec0 [ 404.544179] ? __lock_acquire+0x7ec/0x4ec0 [ 404.548418] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.553967] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.559507] ? should_fail+0x22d/0xd01 [ 404.563499] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.568605] ? __lock_acquire+0x7ec/0x4ec0 [ 404.572864] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 404.577963] ? __lock_acquire+0x7ec/0x4ec0 [ 404.582206] ? should_fail+0x22d/0xd01 [ 404.586111] ? mark_held_locks+0x130/0x130 [ 404.590386] ? mark_held_locks+0x130/0x130 [ 404.594624] ? graph_lock+0x170/0x170 [ 404.598433] ? print_usage_bug+0xc0/0xc0 [ 404.602497] ? graph_lock+0x170/0x170 [ 404.606298] ? print_usage_bug+0xc0/0xc0 [ 404.610358] ? wq_watchdog_touch+0x9c/0xfe [ 404.614595] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.620137] ? check_preemption_disabled+0x48/0x280 [ 404.625173] ? check_preemption_disabled+0x48/0x280 [ 404.630221] ? __lock_is_held+0xb5/0x140 [ 404.634289] __alloc_pages_nodemask+0xa80/0xde0 [ 404.638968] ? graph_lock+0x170/0x170 [ 404.642777] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 404.647791] ? graph_lock+0x170/0x170 [ 404.651607] ? find_held_lock+0x36/0x1c0 [ 404.655687] ? ____cache_alloc_node+0x1c7/0x1e0 [ 404.660360] ? lock_downgrade+0x900/0x900 [ 404.664533] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.670076] cache_grow_begin+0x91/0x8c0 [ 404.674139] ? do_raw_spin_unlock+0xa7/0x330 [ 404.678563] fallback_alloc+0x203/0x2e0 [ 404.682547] ____cache_alloc_node+0x1c7/0x1e0 [ 404.687053] kmem_cache_alloc_node+0xe3/0x730 [ 404.691550] ? ipv6_get_ifaddr+0x42e/0x620 [ 404.695800] __alloc_skb+0x119/0x770 [ 404.699517] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.704798] ? skb_scrub_packet+0x490/0x490 [ 404.709125] ? lock_downgrade+0x900/0x900 [ 404.713290] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.718831] ? refcount_sub_and_test_checked+0x203/0x310 [ 404.724287] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 404.729744] ? addrconf_rs_timer+0x690/0x690 [ 404.734184] ndisc_alloc_skb+0x144/0x340 [ 404.738260] ndisc_send_rs+0x331/0x6e0 [ 404.742163] addrconf_rs_timer+0x314/0x690 [ 404.746409] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.750681] call_timer_fn+0x272/0x920 [ 404.754570] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.758807] ? process_timeout+0x40/0x40 [ 404.762884] ? find_held_lock+0x36/0x1c0 [ 404.766983] ? __run_timers+0x7da/0xc70 [ 404.770975] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.775499] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.779997] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.784480] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 404.789065] ? trace_hardirqs_on+0xbd/0x310 [ 404.793392] ? kasan_check_read+0x11/0x20 [ 404.797544] ? __run_timers+0x7da/0xc70 [ 404.801525] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.806988] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.811231] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 404.815480] __run_timers+0x7e5/0xc70 [ 404.819311] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 404.824680] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.829180] ? _raw_spin_unlock_irq+0x27/0x80 [ 404.833681] ? lockdep_hardirqs_on+0x421/0x5c0 [ 404.838268] ? trace_hardirqs_on+0xbd/0x310 [ 404.842590] ? kasan_check_read+0x11/0x20 [ 404.846744] ? finish_task_switch+0x1f4/0x910 [ 404.851241] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 404.856695] ? compat_start_thread+0x80/0x80 [ 404.861121] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.866682] ? pvclock_read_flags+0x160/0x160 [ 404.871187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.876726] ? check_preemption_disabled+0x48/0x280 [ 404.881754] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 404.887297] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 404.892579] ? rcu_pm_notify+0xc0/0xc0 [ 404.896470] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 404.902010] ? check_preemption_disabled+0x48/0x280 [ 404.907037] run_timer_softirq+0x52/0xb0 [ 404.911100] ? rcu_read_lock_sched_held+0x108/0x120 [ 404.916345] __do_softirq+0x30c/0xb03 [ 404.920175] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 404.925281] ? trace_hardirqs_off+0xb8/0x310 [ 404.929699] ? schedule+0x108/0x460 [ 404.933340] ? trace_hardirqs_off+0xb8/0x310 [ 404.937748] ? smpboot_thread_fn+0x68b/0xa00 [ 404.942181] ? trace_hardirqs_on+0x310/0x310 [ 404.946592] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.952137] ? check_preemption_disabled+0x48/0x280 [ 404.957172] ? takeover_tasklets+0xa90/0xa90 [ 404.961584] run_ksoftirqd+0x94/0x100 [ 404.965383] smpboot_thread_fn+0x68b/0xa00 [ 404.969622] ? sort_range+0x30/0x30 [ 404.973252] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 404.978355] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 404.983896] ? __kthread_parkme+0xfb/0x1a0 [ 404.988137] kthread+0x35a/0x420 [ 404.991512] ? sort_range+0x30/0x30 [ 404.995139] ? kthread_bind+0x40/0x40 [ 404.998955] ret_from_fork+0x3a/0x50 [ 405.002684] warn_alloc_show_mem: 1 callbacks suppressed [ 405.002697] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 405.002699] Mem-Info: [ 405.002729] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 405.002729] active_file:15 inactive_file:13 isolated_file:0 [ 405.002729] unevictable:0 dirty:0 writeback:0 unstable:0 [ 405.002729] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 405.002729] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 405.002729] free:13788 free_pcp:609 free_cma:0 [ 405.008071] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 405.015349] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 405.017747] Call Trace: [ 405.050639] Node 0 [ 405.059992] [ 405.087510] 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 [ 405.090078] dump_stack+0x1c4/0x2b6 [ 405.092282] lowmem_reserve[]: [ 405.094430] ? dump_stack_print_info.cold.1+0x20/0x20 [ 405.119911] 0 2819 [ 405.123566] warn_alloc.cold.119+0xb7/0x1bd [ 405.126630] 6323 [ 405.131820] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 405.134023] 6323 [ 405.138349] ? lock_downgrade+0x900/0x900 [ 405.140389] Node 0 [ 405.145233] ? trace_hardirqs_off+0xb8/0x310 [ 405.147289] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 405.151408] ? trace_hardirqs_off+0xb8/0x310 [ 405.153616] lowmem_reserve[]: [ 405.158029] __alloc_pages_slowpath+0x265e/0x2d70 [ 405.184917] 0 [ 405.189358] ? warn_alloc+0x120/0x120 [ 405.192407] 0 [ 405.197243] ? trace_hardirqs_on+0x310/0x310 [ 405.199012] 3503 3503 [ 405.202829] ? warn_alloc+0x120/0x120 [ 405.209031] ? print_usage_bug+0xc0/0xc0 [ 405.211503] Node 0 [ 405.215294] ? warn_alloc+0x120/0x120 [ 405.219361] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 405.221560] ? ktime_get+0x2e1/0x440 [ 405.225336] lowmem_reserve[]: [ 405.253704] ? print_usage_bug+0xc0/0xc0 [ 405.257393] 0 [ 405.260488] ? __lock_acquire+0x7ec/0x4ec0 [ 405.264560] 0 [ 405.266370] ? __lock_acquire+0x7ec/0x4ec0 [ 405.270572] 0 0 [ 405.272379] ? kasan_check_read+0x11/0x20 [ 405.276589] Node 0 [ 405.278558] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 405.282691] DMA: [ 405.284919] ? should_fail+0x22d/0xd01 [ 405.290436] 1*4kB [ 405.292490] ? rcu_bh_qs+0xc0/0xc0 [ 405.296351] (U) [ 405.298497] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.302019] 0*8kB [ 405.304001] ? __lock_acquire+0x7ec/0x4ec0 [ 405.309085] 0*16kB [ 405.311232] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 405.315446] 1*32kB [ 405.317677] ? __lock_acquire+0x7ec/0x4ec0 [ 405.322768] (U) [ 405.324999] ? should_fail+0x22d/0xd01 [ 405.329211] 2*64kB [ 405.331188] ? rcu_idle_enter+0x4b0/0x4b0 [ 405.335049] (U) [ 405.337286] ? mark_held_locks+0x130/0x130 [ 405.341403] 1*128kB [ 405.343371] ? mark_held_locks+0x130/0x130 [ 405.347580] (U) [ 405.349899] ? mark_held_locks+0xc7/0x130 [ 405.354105] 1*256kB (U) [ 405.356089] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 405.360209] 0*512kB [ 405.362870] ? graph_lock+0x170/0x170 [ 405.367860] 1*1024kB [ 405.370207] ? print_usage_bug+0xc0/0xc0 [ 405.373975] (U) 1*2048kB [ 405.376391] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.380422] (M) [ 405.383197] ? check_preemption_disabled+0x48/0x280 [ 405.388705] 3*4096kB [ 405.390674] ? check_preemption_disabled+0x48/0x280 [ 405.395671] (M) [ 405.398083] ? __lock_is_held+0xb5/0x140 [ 405.403078] = 15908kB [ 405.403086] Node 0 [ 405.405095] __alloc_pages_nodemask+0xa80/0xde0 [ 405.409121] DMA32: 5*4kB [ 405.411537] ? graph_lock+0x170/0x170 [ 405.413750] (UM) [ 405.418431] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 405.421168] 0*8kB 3*16kB [ 405.424969] ? graph_lock+0x170/0x170 [ 405.427009] (UM) [ 405.432027] ? find_held_lock+0x36/0x1c0 [ 405.434749] 2*32kB (M) [ 405.438561] ? ____cache_alloc_node+0x1c7/0x1e0 [ 405.440597] 5*64kB [ 405.444650] ? lock_downgrade+0x900/0x900 [ 405.447213] (UM) [ 405.451878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.454084] 4*128kB (UM) [ 405.458240] cache_grow_begin+0x91/0x8c0 [ 405.460271] 3*256kB (M) [ 405.465809] ? do_raw_spin_unlock+0xa7/0x330 [ 405.468545] 4*512kB [ 405.472604] fallback_alloc+0x203/0x2e0 [ 405.475242] (UM) [ 405.479648] ____cache_alloc_node+0x1c7/0x1e0 [ 405.481941] 3*1024kB [ 405.485913] kmem_cache_alloc_node+0xe3/0x730 [ 405.487952] (UM) [ 405.492451] ? ipv6_get_ifaddr+0x42e/0x620 [ 405.494835] 3*2048kB [ 405.499333] __alloc_skb+0x119/0x770 [ 405.501369] (M) [ 405.505602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 405.507987] 3*4096kB [ 405.511694] ? skb_scrub_packet+0x490/0x490 [ 405.513642] (M) [ 405.518965] ? lock_downgrade+0x900/0x900 [ 405.521346] = 25284kB [ 405.525666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.527618] Node 0 [ 405.531759] ? refcount_sub_and_test_checked+0x203/0x310 [ 405.534173] Normal: [ 405.539719] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 405.541934] 888*4kB (UMEH) [ 405.547387] ? addrconf_rs_timer+0x690/0x690 [ 405.549685] 387*8kB [ 405.555138] ndisc_alloc_skb+0x144/0x340 [ 405.558031] (UME) [ 405.562434] ndisc_send_rs+0x331/0x6e0 [ 405.564737] 157*16kB [ 405.568804] addrconf_rs_timer+0x314/0x690 [ 405.570927] (UME) [ 405.574815] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.577202] 53*32kB [ 405.581444] call_timer_fn+0x272/0x920 [ 405.583571] (UMEH) [ 405.587804] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.590103] 26*64kB [ 405.593986] ? process_timeout+0x40/0x40 [ 405.596196] (UMH) [ 405.600428] ? find_held_lock+0x36/0x1c0 [ 405.602732] 4*128kB [ 405.606802] ? __run_timers+0x7da/0xc70 [ 405.608917] (UMH) 0*256kB [ 405.612985] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.615289] 0*512kB [ 405.619255] ? _raw_spin_unlock_irq+0x27/0x80 [ 405.622075] 1*1024kB [ 405.626738] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.629038] (H) [ 405.633527] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 405.635911] 0*2048kB [ 405.640145] ? trace_hardirqs_on+0xbd/0x310 [ 405.642099] 0*4096kB = 14056kB [ 405.646685] ? kasan_check_read+0x11/0x20 [ 405.649073] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 405.653385] ? __run_timers+0x7da/0xc70 [ 405.656556] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 405.660693] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 405.669502] 147 total pagecache pages [ 405.673475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.682028] 0 pages in swap cache [ 405.687469] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 405.691244] Swap cache stats: add 0, delete 0, find 0/0 [ 405.695490] __run_timers+0x7e5/0xc70 [ 405.698916] Free swap = 0kB [ 405.703165] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 405.708493] Total swap = 0kB [ 405.712292] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 405.715284] 1965979 pages RAM [ 405.720644] ? graph_lock+0x170/0x170 [ 405.723640] 0 pages HighMem/MovableOnly [ 405.728649] ? enqueue_hrtimer+0x1a5/0x560 [ 405.731723] 342307 pages reserved [ 405.731731] 0 pages cma reserved [ 405.735541] ? lock_release+0x970/0x970 [ 405.735557] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 405.739581] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 405.743740] ? find_held_lock+0x36/0x1c0 [ 405.743758] ? graph_lock+0x170/0x170 [ 405.743775] ? pvclock_read_flags+0x160/0x160 [ 405.747270] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 405.750572] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.754536] ksoftirqd/0 cpuset= [ 405.759725] ? check_preemption_disabled+0x48/0x280 [ 405.766207] / [ 405.770272] ? __lock_is_held+0xb5/0x140 [ 405.774042] mems_allowed=0 [ 405.778528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.816946] ? check_preemption_disabled+0x48/0x280 [ 405.821995] run_timer_softirq+0x52/0xb0 [ 405.826072] ? rcu_read_lock_sched_held+0x108/0x120 [ 405.831103] __do_softirq+0x30c/0xb03 [ 405.834936] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 405.840051] ? pvclock_read_flags+0x160/0x160 [ 405.844545] ? lapic_next_event+0x5a/0x90 [ 405.848696] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.854254] ? check_preemption_disabled+0x48/0x280 [ 405.859274] ? check_preemption_disabled+0x48/0x280 [ 405.864299] ? kvm_clock_read+0x18/0x30 [ 405.868276] ? kvm_sched_clock_read+0x9/0x20 [ 405.872690] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.878234] ? check_preemption_disabled+0x48/0x280 [ 405.883268] irq_exit+0x17f/0x1c0 [ 405.886727] smp_apic_timer_interrupt+0x1cb/0x760 [ 405.891575] ? smp_reschedule_interrupt+0x109/0x650 [ 405.896592] ? smp_call_function_single_interrupt+0x650/0x650 [ 405.902487] ? interrupt_entry+0xb5/0xf0 [ 405.906555] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.911572] ? trace_hardirqs_off_caller+0xbb/0x310 [ 405.917033] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.921878] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.926911] ? trace_hardirqs_on_caller+0x310/0x310 [ 405.931950] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.937509] ? check_preemption_disabled+0x48/0x280 [ 405.942526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 405.948076] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 405.952978] apic_timer_interrupt+0xf/0x20 [ 405.957205] [ 405.959449] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 405.964382] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 405.983298] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 405.991010] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 405.998277] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 406.005543] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 406.012813] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 406.020081] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 406.027395] skb_clone+0x1bb/0x500 [ 406.030943] ? finish_task_switch+0x1b4/0x910 [ 406.035454] ? skb_split+0x11e0/0x11e0 [ 406.039349] ? preempt_notifier_register+0x200/0x200 [ 406.044481] ? __switch_to_asm+0x34/0x70 [ 406.048547] ? __switch_to_asm+0x34/0x70 [ 406.052604] ? __switch_to_asm+0x40/0x70 [ 406.056666] ? __switch_to_asm+0x34/0x70 [ 406.060728] ? __switch_to_asm+0x40/0x70 [ 406.064801] ? __switch_to_asm+0x34/0x70 [ 406.068861] ? __switch_to_asm+0x40/0x70 [ 406.072939] ? __switch_to_asm+0x34/0x70 [ 406.076999] ? __switch_to_asm+0x34/0x70 [ 406.081058] ? __switch_to_asm+0x40/0x70 [ 406.085132] ? __switch_to_asm+0x34/0x70 [ 406.089236] bpf_clone_redirect+0xb9/0x490 [ 406.093477] ? __schedule+0x874/0x1ed0 [ 406.097373] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 406.102395] ? __sched_text_start+0x8/0x8 [ 406.106551] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.111132] ? retint_kernel+0x2d/0x2d [ 406.115032] ? trace_hardirqs_on_caller+0xc0/0x310 [ 406.119968] ? find_held_lock+0x36/0x1c0 [ 406.124042] ? lock_acquire+0x1ed/0x520 [ 406.128014] ? bpf_test_run+0x32e/0x5a0 [ 406.131994] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.137559] ? check_preemption_disabled+0x48/0x280 [ 406.142586] ? kasan_check_read+0x11/0x20 [ 406.146741] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.152018] ? rcu_bh_qs+0xc0/0xc0 [ 406.155561] ? preempt_schedule+0x4d/0x60 [ 406.159712] ? ___preempt_schedule+0x16/0x18 [ 406.164129] ? bpf_test_run+0x1c0/0x5a0 [ 406.168125] ? netlink_diag_dump+0x2a0/0x2a0 [ 406.172573] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.178107] ? bpf_test_init.isra.9+0x70/0x100 [ 406.182696] ? bpf_prog_test_run_skb+0x634/0xb40 [ 406.187473] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 406.192340] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 406.197879] ? fput+0x130/0x1a0 [ 406.201170] ? __bpf_prog_get+0x9b/0x290 [ 406.205238] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 406.210080] ? bpf_prog_test_run+0x130/0x1a0 [ 406.214502] ? __x64_sys_bpf+0x3d8/0x510 [ 406.218566] ? bpf_prog_get+0x20/0x20 [ 406.222404] ? do_syscall_64+0x1b9/0x820 [ 406.226465] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 406.231832] ? syscall_return_slowpath+0x5e0/0x5e0 [ 406.236768] ? trace_hardirqs_on_caller+0x310/0x310 [ 406.241785] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 406.246804] ? recalc_sigpending_tsk+0x180/0x180 [ 406.251565] ? kasan_check_write+0x14/0x20 [ 406.255808] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 406.260663] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 406.266060] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 406.266134] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 406.272815] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.272820] Call Trace: [ 406.272841] dump_stack+0x1c4/0x2b6 [ 406.272860] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.272887] warn_alloc.cold.119+0xb7/0x1bd [ 406.279419] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 406.288710] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.291274] syz-executor1 cpuset= [ 406.294902] ? lock_downgrade+0x900/0x900 [ 406.300064] syz1 [ 406.304392] ? trace_hardirqs_off+0xb8/0x310 [ 406.314847] mems_allowed=0 [ 406.319684] ? trace_hardirqs_off+0xb8/0x310 [ 406.340930] __alloc_pages_slowpath+0x265e/0x2d70 [ 406.345808] ? warn_alloc+0x120/0x120 [ 406.349631] ? warn_alloc+0x120/0x120 [ 406.353440] ? print_usage_bug+0xc0/0xc0 [ 406.357504] ? warn_alloc+0x120/0x120 [ 406.361308] ? print_usage_bug+0xc0/0xc0 [ 406.365370] ? __lock_acquire+0x7ec/0x4ec0 [ 406.369628] ? __lock_acquire+0x7ec/0x4ec0 [ 406.373867] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.379407] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.384950] ? should_fail+0x22d/0xd01 [ 406.388856] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.393960] ? __lock_acquire+0x7ec/0x4ec0 [ 406.398202] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 406.403303] ? __lock_acquire+0x7ec/0x4ec0 [ 406.407535] ? should_fail+0x22d/0xd01 [ 406.411437] ? mark_held_locks+0x130/0x130 [ 406.415678] ? mark_held_locks+0x130/0x130 [ 406.420001] ? graph_lock+0x170/0x170 [ 406.423832] ? print_usage_bug+0xc0/0xc0 [ 406.427895] ? graph_lock+0x170/0x170 [ 406.431694] ? print_usage_bug+0xc0/0xc0 [ 406.435755] ? wq_watchdog_touch+0x9c/0xfe [ 406.440009] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.445653] ? check_preemption_disabled+0x48/0x280 [ 406.450670] ? check_preemption_disabled+0x48/0x280 [ 406.455702] ? __lock_is_held+0xb5/0x140 [ 406.459771] __alloc_pages_nodemask+0xa80/0xde0 [ 406.464449] ? graph_lock+0x170/0x170 [ 406.468263] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 406.473279] ? graph_lock+0x170/0x170 [ 406.477093] ? find_held_lock+0x36/0x1c0 [ 406.481184] ? ____cache_alloc_node+0x1c7/0x1e0 [ 406.485907] ? lock_downgrade+0x900/0x900 [ 406.490103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.495648] cache_grow_begin+0x91/0x8c0 [ 406.499720] ? do_raw_spin_unlock+0xa7/0x330 [ 406.504135] fallback_alloc+0x203/0x2e0 [ 406.508121] ____cache_alloc_node+0x1c7/0x1e0 [ 406.512625] kmem_cache_alloc_node+0xe3/0x730 [ 406.517120] ? ipv6_get_ifaddr+0x42e/0x620 [ 406.521370] __alloc_skb+0x119/0x770 [ 406.525085] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.530368] ? skb_scrub_packet+0x490/0x490 [ 406.534695] ? lock_downgrade+0x900/0x900 [ 406.538851] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.544388] ? refcount_sub_and_test_checked+0x203/0x310 [ 406.549848] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 406.555301] ? addrconf_rs_timer+0x690/0x690 [ 406.559728] ndisc_alloc_skb+0x144/0x340 [ 406.563811] ndisc_send_rs+0x331/0x6e0 [ 406.567705] addrconf_rs_timer+0x314/0x690 [ 406.571948] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.576209] call_timer_fn+0x272/0x920 [ 406.580103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.584365] ? process_timeout+0x40/0x40 [ 406.588432] ? find_held_lock+0x36/0x1c0 [ 406.592506] ? __run_timers+0x7da/0xc70 [ 406.596499] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.601010] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.605511] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.609748] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 406.614365] ? trace_hardirqs_on+0xbd/0x310 [ 406.618687] ? kasan_check_read+0x11/0x20 [ 406.622837] ? __run_timers+0x7da/0xc70 [ 406.626822] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.632325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.636578] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 406.640841] __run_timers+0x7e5/0xc70 [ 406.644666] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 406.650031] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.654527] ? _raw_spin_unlock_irq+0x27/0x80 [ 406.659025] ? lockdep_hardirqs_on+0x421/0x5c0 [ 406.663622] ? trace_hardirqs_on+0xbd/0x310 [ 406.667975] ? kasan_check_read+0x11/0x20 [ 406.672161] ? finish_task_switch+0x1f4/0x910 [ 406.676683] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 406.682148] ? compat_start_thread+0x80/0x80 [ 406.686571] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.692124] ? pvclock_read_flags+0x160/0x160 [ 406.696637] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.702206] ? check_preemption_disabled+0x48/0x280 [ 406.707233] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 406.712772] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 406.718081] ? rcu_pm_notify+0xc0/0xc0 [ 406.721983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 406.727556] ? check_preemption_disabled+0x48/0x280 [ 406.732582] run_timer_softirq+0x52/0xb0 [ 406.736641] ? rcu_read_lock_sched_held+0x108/0x120 [ 406.741662] __do_softirq+0x30c/0xb03 [ 406.745490] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 406.750591] ? trace_hardirqs_off+0xb8/0x310 [ 406.755012] ? schedule+0x108/0x460 [ 406.758652] ? trace_hardirqs_off+0xb8/0x310 [ 406.763066] ? smpboot_thread_fn+0x68b/0xa00 [ 406.767491] ? trace_hardirqs_on+0x310/0x310 [ 406.771907] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.777469] ? check_preemption_disabled+0x48/0x280 [ 406.782737] ? takeover_tasklets+0xa90/0xa90 [ 406.787168] run_ksoftirqd+0x94/0x100 [ 406.790971] smpboot_thread_fn+0x68b/0xa00 [ 406.795213] ? sort_range+0x30/0x30 [ 406.798858] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 406.803965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 406.809506] ? __kthread_parkme+0xfb/0x1a0 [ 406.813756] kthread+0x35a/0x420 [ 406.817120] ? sort_range+0x30/0x30 [ 406.820744] ? kthread_bind+0x40/0x40 [ 406.824550] ret_from_fork+0x3a/0x50 [ 406.828287] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 406.828292] warn_alloc_show_mem: 1 callbacks suppressed [ 406.828299] Mem-Info: [ 406.835577] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 406.835585] Call Trace: [ 406.840970] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 406.840970] active_file:15 inactive_file:13 isolated_file:0 [ 406.840970] unevictable:0 dirty:0 writeback:0 unstable:0 [ 406.840970] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 406.840970] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 406.840970] free:13788 free_pcp:609 free_cma:0 [ 406.843345] [ 406.852706] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 406.855286] dump_stack+0x1c4/0x2b6 [ 406.888139] Node 0 [ 406.890299] ? dump_stack_print_info.cold.1+0x20/0x20 [ 406.917963] 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 [ 406.921747] warn_alloc.cold.119+0xb7/0x1bd [ 406.923948] lowmem_reserve[]: [ 406.929132] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 406.954621] 0 2819 [ 406.958969] ? lock_downgrade+0x900/0x900 [ 406.962051] 6323 [ 406.967331] ? trace_hardirqs_off+0xb8/0x310 [ 406.969539] 6323 [ 406.973681] ? trace_hardirqs_off+0xb8/0x310 [ 406.975718] Node 0 [ 406.980125] __alloc_pages_slowpath+0x265e/0x2d70 [ 406.982190] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 406.986589] ? warn_alloc+0x120/0x120 [ 406.988769] lowmem_reserve[]: 0 [ 406.993613] ? warn_alloc+0x120/0x120 [ 407.020468] 0 3503 [ 407.024280] ? print_usage_bug+0xc0/0xc0 [ 407.027534] 3503 [ 407.031326] ? warn_alloc+0x120/0x120 [ 407.037593] ? print_usage_bug+0xc0/0xc0 [ 407.039650] Node 0 [ 407.043441] ? __lock_acquire+0x7ec/0x4ec0 [ 407.043456] ? __lock_acquire+0x7ec/0x4ec0 [ 407.047519] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 407.049742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.053953] lowmem_reserve[]: 0 [ 407.058194] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 407.086535] 0 [ 407.092074] ? should_fail+0x22d/0xd01 [ 407.095328] 0 [ 407.100855] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.102630] 0 [ 407.106514] ? __lock_acquire+0x7ec/0x4ec0 [ 407.108290] Node 0 [ 407.113387] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 407.115170] DMA: [ 407.119394] ? __lock_acquire+0x7ec/0x4ec0 [ 407.121620] 1*4kB [ 407.126712] ? should_fail+0x22d/0xd01 [ 407.128752] (U) [ 407.132989] ? mark_held_locks+0x130/0x130 [ 407.135110] 0*8kB [ 407.139016] ? mark_held_locks+0x130/0x130 [ 407.140987] 0*16kB [ 407.145216] ? graph_lock+0x170/0x170 [ 407.147341] 1*32kB [ 407.151565] ? print_usage_bug+0xc0/0xc0 [ 407.153779] (U) [ 407.157570] ? graph_lock+0x170/0x170 [ 407.159786] 2*64kB [ 407.163847] ? print_usage_bug+0xc0/0xc0 [ 407.165798] (U) [ 407.169594] ? wq_watchdog_touch+0x9c/0xfe [ 407.171805] 1*128kB [ 407.175861] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.177814] (U) [ 407.182045] ? check_preemption_disabled+0x48/0x280 [ 407.184345] 1*256kB [ 407.189886] ? check_preemption_disabled+0x48/0x280 [ 407.191869] (U) [ 407.196888] ? __lock_is_held+0xb5/0x140 [ 407.199185] 0*512kB [ 407.204198] __alloc_pages_nodemask+0xa80/0xde0 [ 407.206150] 1*1024kB [ 407.210208] ? graph_lock+0x170/0x170 [ 407.212534] (U) [ 407.217233] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 407.219618] 1*2048kB [ 407.223410] ? graph_lock+0x170/0x170 [ 407.225368] (M) [ 407.230387] ? find_held_lock+0x36/0x1c0 [ 407.232772] 3*4096kB [ 407.236570] ? ____cache_alloc_node+0x1c7/0x1e0 [ 407.238514] (M) [ 407.242567] ? lock_downgrade+0x900/0x900 [ 407.244956] = 15908kB [ 407.249618] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.251570] Node 0 [ 407.255724] cache_grow_begin+0x91/0x8c0 [ 407.258107] DMA32: [ 407.263635] ? do_raw_spin_unlock+0xa7/0x330 [ 407.265848] 5*4kB [ 407.269922] fallback_alloc+0x203/0x2e0 [ 407.272130] (UM) [ 407.276533] ____cache_alloc_node+0x1c7/0x1e0 [ 407.278658] 0*8kB [ 407.282627] kmem_cache_alloc_node+0xe3/0x730 [ 407.284662] 3*16kB [ 407.289152] ? ipv6_get_ifaddr+0x42e/0x620 [ 407.291288] (UM) [ 407.295784] __alloc_skb+0x119/0x770 [ 407.297991] 2*32kB [ 407.302217] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.304254] (M) [ 407.307974] ? skb_scrub_packet+0x490/0x490 [ 407.310204] 5*64kB [ 407.315471] ? lock_downgrade+0x900/0x900 [ 407.317422] (UM) [ 407.321760] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.323977] 4*128kB [ 407.328119] ? refcount_sub_and_test_checked+0x203/0x310 [ 407.330164] (UM) [ 407.335696] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 407.337994] 3*256kB [ 407.343438] ? addrconf_rs_timer+0x690/0x690 [ 407.345479] (M) [ 407.350953] ndisc_alloc_skb+0x144/0x340 [ 407.353239] 4*512kB [ 407.357637] ndisc_send_rs+0x331/0x6e0 [ 407.359589] (UM) [ 407.363648] addrconf_rs_timer+0x314/0x690 [ 407.365952] 3*1024kB [ 407.369832] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.371871] (UM) [ 407.376126] call_timer_fn+0x272/0x920 [ 407.378505] 3*2048kB [ 407.382731] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.384769] (M) [ 407.388651] ? process_timeout+0x40/0x40 [ 407.391124] 3*4096kB [ 407.395349] ? find_held_lock+0x36/0x1c0 [ 407.397302] (M) = 25284kB [ 407.401368] ? __run_timers+0x7da/0xc70 [ 407.403767] Node 0 [ 407.407834] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.410567] Normal: [ 407.414532] ? _raw_spin_unlock_irq+0x27/0x80 [ 407.416750] 888*4kB [ 407.421241] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.423555] (UMEH) [ 407.428042] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 407.430341] 387*8kB [ 407.434569] ? trace_hardirqs_on+0xbd/0x310 [ 407.436778] (UME) [ 407.441356] ? kasan_check_read+0x11/0x20 [ 407.443660] 157*16kB [ 407.447975] ? __run_timers+0x7da/0xc70 [ 407.450110] (UME) 53*32kB [ 407.454257] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 407.456666] (UMEH) [ 407.460634] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.463458] 26*64kB [ 407.468931] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 407.471162] (UMH) [ 407.475393] __run_timers+0x7e5/0xc70 [ 407.477691] 4*128kB (UMH) [ 407.481969] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 407.484082] 0*256kB [ 407.487877] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 407.490700] 0*512kB [ 407.496057] ? graph_lock+0x170/0x170 [ 407.498361] 1*1024kB [ 407.503367] ? enqueue_hrtimer+0x1a5/0x560 [ 407.505667] (H) [ 407.509459] ? lock_release+0x970/0x970 [ 407.511845] 0*2048kB [ 407.516076] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 407.518029] 0*4096kB [ 407.521999] ? find_held_lock+0x36/0x1c0 [ 407.524384] = 14056kB [ 407.529565] ? graph_lock+0x170/0x170 [ 407.531959] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 407.536001] ? pvclock_read_flags+0x160/0x160 [ 407.538390] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 407.542194] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.551005] 147 total pagecache pages [ 407.555497] ? check_preemption_disabled+0x48/0x280 [ 407.564051] 0 pages in swap cache [ 407.569581] ? __lock_is_held+0xb5/0x140 [ 407.573353] Swap cache stats: add 0, delete 0, find 0/0 [ 407.578361] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.581792] Free swap = 0kB [ 407.585851] ? check_preemption_disabled+0x48/0x280 [ 407.591190] Total swap = 0kB [ 407.596725] run_timer_softirq+0x52/0xb0 [ 407.599715] 1965979 pages RAM [ 407.604724] ? rcu_read_lock_sched_held+0x108/0x120 [ 407.607710] 0 pages HighMem/MovableOnly [ 407.607718] 342307 pages reserved [ 407.611774] __do_softirq+0x30c/0xb03 [ 407.614848] 0 pages cma reserved [ 407.614930] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 407.619875] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 407.623920] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 407.627272] ? pvclock_read_flags+0x160/0x160 [ 407.631050] ksoftirqd/0 cpuset= [ 407.634412] ? lapic_next_event+0x5a/0x90 [ 407.640884] / [ 407.645984] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.656274] mems_allowed=0 [ 407.660763] ? check_preemption_disabled+0x48/0x280 [ 407.683314] ? check_preemption_disabled+0x48/0x280 [ 407.688339] ? kvm_clock_read+0x18/0x30 [ 407.692313] ? kvm_sched_clock_read+0x9/0x20 [ 407.696727] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.702265] ? check_preemption_disabled+0x48/0x280 [ 407.707296] irq_exit+0x17f/0x1c0 [ 407.710757] smp_apic_timer_interrupt+0x1cb/0x760 [ 407.715600] ? smp_reschedule_interrupt+0x109/0x650 [ 407.720621] ? smp_call_function_single_interrupt+0x650/0x650 [ 407.726509] ? interrupt_entry+0xb5/0xf0 [ 407.730577] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.735591] ? trace_hardirqs_off_caller+0xbb/0x310 [ 407.740612] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.745456] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.750518] ? trace_hardirqs_on_caller+0x310/0x310 [ 407.755565] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.761103] ? check_preemption_disabled+0x48/0x280 [ 407.766119] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.771661] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 407.776544] apic_timer_interrupt+0xf/0x20 [ 407.780774] [ 407.783015] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 407.787950] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 407.806856] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 407.814567] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 407.821835] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 407.829103] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 407.836367] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 407.843634] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 407.851004] skb_clone+0x1bb/0x500 [ 407.854550] ? finish_task_switch+0x1b4/0x910 [ 407.859049] ? skb_split+0x11e0/0x11e0 [ 407.862950] ? preempt_notifier_register+0x200/0x200 [ 407.868051] ? __switch_to_asm+0x34/0x70 [ 407.872113] ? __switch_to_asm+0x34/0x70 [ 407.876177] ? __switch_to_asm+0x40/0x70 [ 407.880236] ? __switch_to_asm+0x34/0x70 [ 407.884313] ? __switch_to_asm+0x40/0x70 [ 407.888374] ? __switch_to_asm+0x34/0x70 [ 407.892496] ? __switch_to_asm+0x40/0x70 [ 407.896552] ? __switch_to_asm+0x34/0x70 [ 407.900614] ? __switch_to_asm+0x34/0x70 [ 407.904671] ? __switch_to_asm+0x40/0x70 [ 407.908730] ? __switch_to_asm+0x34/0x70 [ 407.912799] bpf_clone_redirect+0xb9/0x490 [ 407.917545] ? __schedule+0x874/0x1ed0 [ 407.921443] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 407.926484] ? __sched_text_start+0x8/0x8 [ 407.930638] ? lockdep_hardirqs_on+0x421/0x5c0 [ 407.935223] ? retint_kernel+0x2d/0x2d [ 407.939111] ? trace_hardirqs_on_caller+0xc0/0x310 [ 407.944063] ? find_held_lock+0x36/0x1c0 [ 407.948171] ? lock_acquire+0x1ed/0x520 [ 407.952186] ? bpf_test_run+0x32e/0x5a0 [ 407.956186] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 407.961726] ? check_preemption_disabled+0x48/0x280 [ 407.966749] ? kasan_check_read+0x11/0x20 [ 407.970902] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 407.976195] ? rcu_bh_qs+0xc0/0xc0 [ 407.979742] ? preempt_schedule+0x4d/0x60 [ 407.983892] ? ___preempt_schedule+0x16/0x18 [ 407.988307] ? bpf_test_run+0x1c0/0x5a0 [ 407.992296] ? netlink_diag_dump+0x2a0/0x2a0 [ 407.996707] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.002241] ? bpf_test_init.isra.9+0x70/0x100 [ 408.006828] ? bpf_prog_test_run_skb+0x634/0xb40 [ 408.011626] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 408.016469] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 408.022013] ? fput+0x130/0x1a0 [ 408.025302] ? __bpf_prog_get+0x9b/0x290 [ 408.029369] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 408.034209] ? bpf_prog_test_run+0x130/0x1a0 [ 408.038621] ? __x64_sys_bpf+0x3d8/0x510 [ 408.042687] ? bpf_prog_get+0x20/0x20 [ 408.046509] ? do_syscall_64+0x1b9/0x820 [ 408.050570] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 408.055942] ? syscall_return_slowpath+0x5e0/0x5e0 [ 408.060876] ? trace_hardirqs_on_caller+0x310/0x310 [ 408.065912] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 408.070961] ? recalc_sigpending_tsk+0x180/0x180 [ 408.075719] ? kasan_check_write+0x14/0x20 [ 408.079967] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 408.084821] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 408.090209] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 408.090282] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 408.096982] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.096987] Call Trace: [ 408.097009] dump_stack+0x1c4/0x2b6 [ 408.097030] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.103614] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 408.112908] warn_alloc.cold.119+0xb7/0x1bd [ 408.115504] syz-executor1 cpuset= [ 408.119166] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.124340] syz1 [ 408.134823] ? lock_downgrade+0x900/0x900 [ 408.139150] mems_allowed=0 [ 408.142608] ? trace_hardirqs_off+0xb8/0x310 [ 408.160840] ? trace_hardirqs_off+0xb8/0x310 [ 408.165277] __alloc_pages_slowpath+0x265e/0x2d70 [ 408.170166] ? warn_alloc+0x120/0x120 [ 408.173977] ? warn_alloc+0x120/0x120 [ 408.177815] ? print_usage_bug+0xc0/0xc0 [ 408.181880] ? warn_alloc+0x120/0x120 [ 408.185683] ? print_usage_bug+0xc0/0xc0 [ 408.189751] ? __lock_acquire+0x7ec/0x4ec0 [ 408.193986] ? __lock_acquire+0x7ec/0x4ec0 [ 408.198224] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.203765] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.209305] ? should_fail+0x22d/0xd01 [ 408.213203] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.218310] ? __lock_acquire+0x7ec/0x4ec0 [ 408.222551] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.227654] ? __lock_acquire+0x7ec/0x4ec0 [ 408.231891] ? should_fail+0x22d/0xd01 [ 408.235793] ? mark_held_locks+0x130/0x130 [ 408.240037] ? mark_held_locks+0x130/0x130 [ 408.244282] ? mark_held_locks+0xc7/0x130 [ 408.248431] ? print_usage_bug+0xc0/0xc0 [ 408.252510] ? graph_lock+0x170/0x170 [ 408.256342] ? print_usage_bug+0xc0/0xc0 [ 408.260405] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.265947] ? check_preemption_disabled+0x48/0x280 [ 408.270966] ? check_preemption_disabled+0x48/0x280 [ 408.276011] ? __lock_is_held+0xb5/0x140 [ 408.280082] __alloc_pages_nodemask+0xa80/0xde0 [ 408.284754] ? graph_lock+0x170/0x170 [ 408.288559] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 408.293582] ? graph_lock+0x170/0x170 [ 408.297397] ? find_held_lock+0x36/0x1c0 [ 408.301497] ? ____cache_alloc_node+0x1c7/0x1e0 [ 408.306207] ? lock_downgrade+0x900/0x900 [ 408.310369] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.315914] cache_grow_begin+0x91/0x8c0 [ 408.319985] ? do_raw_spin_unlock+0xa7/0x330 [ 408.324401] fallback_alloc+0x203/0x2e0 [ 408.328404] ____cache_alloc_node+0x1c7/0x1e0 [ 408.332950] kmem_cache_alloc_node+0xe3/0x730 [ 408.337467] ? ipv6_get_ifaddr+0x42e/0x620 [ 408.341716] __alloc_skb+0x119/0x770 [ 408.345439] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.350725] ? skb_scrub_packet+0x490/0x490 [ 408.355045] ? lock_downgrade+0x900/0x900 [ 408.359232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.364798] ? refcount_sub_and_test_checked+0x203/0x310 [ 408.370259] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 408.375714] ? addrconf_rs_timer+0x690/0x690 [ 408.380138] ndisc_alloc_skb+0x144/0x340 [ 408.384212] ndisc_send_rs+0x331/0x6e0 [ 408.388111] addrconf_rs_timer+0x314/0x690 [ 408.392351] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.396598] call_timer_fn+0x272/0x920 [ 408.400504] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.404770] ? process_timeout+0x40/0x40 [ 408.408939] ? find_held_lock+0x36/0x1c0 [ 408.413006] ? __run_timers+0x7da/0xc70 [ 408.416991] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.421488] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.425983] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.430242] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 408.434833] ? trace_hardirqs_on+0xbd/0x310 [ 408.439162] ? kasan_check_read+0x11/0x20 [ 408.443313] ? __run_timers+0x7da/0xc70 [ 408.447308] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.452792] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.457035] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 408.461272] __run_timers+0x7e5/0xc70 [ 408.465090] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 408.470555] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.475048] ? _raw_spin_unlock_irq+0x27/0x80 [ 408.479547] ? lockdep_hardirqs_on+0x421/0x5c0 [ 408.484139] ? trace_hardirqs_on+0xbd/0x310 [ 408.488505] ? kasan_check_read+0x11/0x20 [ 408.492652] ? finish_task_switch+0x1f4/0x910 [ 408.497168] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 408.502651] ? compat_start_thread+0x80/0x80 [ 408.507075] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.512628] ? pvclock_read_flags+0x160/0x160 [ 408.517129] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.522698] ? check_preemption_disabled+0x48/0x280 [ 408.527732] ? rcu_lockdep_current_cpu_online+0x1f0/0x2d0 [ 408.533272] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 408.538550] ? rcu_pm_notify+0xc0/0xc0 [ 408.542443] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 408.547986] ? check_preemption_disabled+0x48/0x280 [ 408.553013] run_timer_softirq+0x52/0xb0 [ 408.557076] ? rcu_read_lock_sched_held+0x108/0x120 [ 408.562100] __do_softirq+0x30c/0xb03 [ 408.565927] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 408.571035] ? trace_hardirqs_off+0xb8/0x310 [ 408.575458] ? schedule+0x108/0x460 [ 408.579107] ? trace_hardirqs_off+0xb8/0x310 [ 408.583521] ? smpboot_thread_fn+0x68b/0xa00 [ 408.587933] ? trace_hardirqs_on+0x310/0x310 [ 408.592352] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.597896] ? check_preemption_disabled+0x48/0x280 [ 408.602922] ? takeover_tasklets+0xa90/0xa90 [ 408.607336] run_ksoftirqd+0x94/0x100 [ 408.611138] smpboot_thread_fn+0x68b/0xa00 [ 408.615398] ? sort_range+0x30/0x30 [ 408.619034] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 408.624142] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.629689] ? __kthread_parkme+0xfb/0x1a0 [ 408.633930] kthread+0x35a/0x420 [ 408.637298] ? sort_range+0x30/0x30 [ 408.640927] ? kthread_bind+0x40/0x40 [ 408.644730] ret_from_fork+0x3a/0x50 [ 408.648468] warn_alloc_show_mem: 1 callbacks suppressed [ 408.648480] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 408.648482] Mem-Info: [ 408.648513] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 408.648513] active_file:15 inactive_file:13 isolated_file:0 [ 408.648513] unevictable:0 dirty:0 writeback:0 unstable:0 [ 408.648513] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 408.648513] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 408.648513] free:13788 free_pcp:609 free_cma:0 [ 408.653846] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 408.653854] Call Trace: [ 408.661136] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 408.663538] [ 408.696420] Node 0 [ 408.705800] dump_stack+0x1c4/0x2b6 [ 408.708376] 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 [ 408.735859] ? dump_stack_print_info.cold.1+0x20/0x20 [ 408.737982] lowmem_reserve[]: [ 408.740227] warn_alloc.cold.119+0xb7/0x1bd [ 408.743837] 0 [ 408.769348] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 408.774512] 2819 6323 [ 408.777625] ? lock_downgrade+0x900/0x900 [ 408.781915] 6323 [ 408.783987] ? trace_hardirqs_off+0xb8/0x310 [ 408.791312] ? trace_hardirqs_off+0xb8/0x310 [ 408.795434] Node 0 [ 408.797494] __alloc_pages_slowpath+0x265e/0x2d70 [ 408.801899] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 408.806300] ? warn_alloc+0x120/0x120 [ 408.808489] lowmem_reserve[]: [ 408.813331] ? trace_hardirqs_on+0x310/0x310 [ 408.840213] 0 0 [ 408.844040] ? warn_alloc+0x120/0x120 [ 408.847124] 3503 [ 408.851554] ? print_usage_bug+0xc0/0xc0 [ 408.853502] 3503 [ 408.857296] ? warn_alloc+0x120/0x120 [ 408.863391] ? ktime_get+0x2e1/0x440 [ 408.865433] Node 0 [ 408.869222] ? print_usage_bug+0xc0/0xc0 [ 408.872986] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 408.875191] ? __lock_acquire+0x7ec/0x4ec0 [ 408.879220] lowmem_reserve[]: 0 [ 408.907598] ? __lock_acquire+0x7ec/0x4ec0 [ 408.911848] 0 [ 408.915669] ? kasan_check_read+0x11/0x20 [ 408.919879] 0 [ 408.921710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 408.925823] 0 [ 408.927634] ? should_fail+0x22d/0xd01 [ 408.933152] Node 0 [ 408.934961] ? rcu_bh_qs+0xc0/0xc0 [ 408.938827] DMA: [ 408.941059] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.944571] 1*4kB [ 408.946627] ? __lock_acquire+0x7ec/0x4ec0 [ 408.951701] (U) [ 408.953844] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 408.958054] 0*8kB [ 408.960555] ? __lock_acquire+0x7ec/0x4ec0 [ 408.965643] 0*16kB [ 408.967789] ? should_fail+0x22d/0xd01 [ 408.972010] 1*32kB [ 408.974241] ? rcu_idle_enter+0x4b0/0x4b0 [ 408.978104] (U) [ 408.980342] ? mark_held_locks+0x130/0x130 [ 408.984464] 2*64kB [ 408.986437] ? mark_held_locks+0x130/0x130 [ 408.990649] (U) [ 408.992925] ? mark_held_locks+0xc7/0x130 [ 408.997178] 1*128kB (U) [ 408.999169] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 409.003291] 1*256kB [ 409.005966] ? graph_lock+0x170/0x170 [ 409.010963] (U) [ 409.013287] ? print_usage_bug+0xc0/0xc0 [ 409.017068] 0*512kB [ 409.019068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.023105] 1*1024kB [ 409.025436] ? check_preemption_disabled+0x48/0x280 [ 409.030962] (U) [ 409.033371] ? check_preemption_disabled+0x48/0x280 [ 409.038355] 1*2048kB (M) [ 409.040343] ? __lock_is_held+0xb5/0x140 [ 409.045327] 3*4096kB (M) [ 409.048086] __alloc_pages_nodemask+0xa80/0xde0 [ 409.052122] = 15908kB [ 409.054869] ? graph_lock+0x170/0x170 [ 409.059513] Node 0 [ 409.061917] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 409.065691] DMA32: [ 409.067937] ? graph_lock+0x170/0x170 [ 409.072927] 5*4kB [ 409.075173] ? find_held_lock+0x36/0x1c0 [ 409.078939] (UM) [ 409.081088] ? ____cache_alloc_node+0x1c7/0x1e0 [ 409.085117] 0*8kB [ 409.087195] ? lock_downgrade+0x900/0x900 [ 409.091853] 3*16kB [ 409.094026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.098142] (UM) [ 409.100401] cache_grow_begin+0x91/0x8c0 [ 409.105910] 2*32kB [ 409.107974] ? do_raw_spin_unlock+0xa7/0x330 [ 409.112005] (M) [ 409.114238] fallback_alloc+0x203/0x2e0 [ 409.118611] 5*64kB (UM) [ 409.120593] ____cache_alloc_node+0x1c7/0x1e0 [ 409.124536] 4*128kB (UM) [ 409.127220] kmem_cache_alloc_node+0xe3/0x730 [ 409.131683] 3*256kB (M) [ 409.134447] ? ipv6_get_ifaddr+0x42e/0x620 [ 409.138909] 4*512kB (UM) [ 409.142025] __alloc_skb+0x119/0x770 [ 409.146253] 3*1024kB [ 409.149005] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 409.152694] (UM) [ 409.155103] ? skb_scrub_packet+0x490/0x490 [ 409.160370] 3*2048kB [ 409.162424] ? lock_downgrade+0x900/0x900 [ 409.166721] (M) [ 409.169136] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.173257] 3*4096kB [ 409.175235] ? refcount_sub_and_test_checked+0x203/0x310 [ 409.180747] (M) [ 409.183210] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 409.188637] = 25284kB [ 409.190612] ? addrconf_rs_timer+0x690/0x690 [ 409.196036] Node 0 [ 409.198451] ndisc_alloc_skb+0x144/0x340 [ 409.202824] Normal: 888*4kB [ 409.205068] ndisc_send_rs+0x331/0x6e0 [ 409.209115] (UMEH) [ 409.212129] addrconf_rs_timer+0x314/0x690 [ 409.215990] 387*8kB [ 409.218237] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.222439] (UME) 157*16kB [ 409.224778] call_timer_fn+0x272/0x920 [ 409.228991] (UME) [ 409.231917] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.235778] 53*32kB [ 409.237920] ? process_timeout+0x40/0x40 [ 409.242125] (UMEH) [ 409.244447] ? find_held_lock+0x36/0x1c0 [ 409.248485] 26*64kB [ 409.250718] ? __run_timers+0x7da/0xc70 [ 409.254748] (UMH) [ 409.257067] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.261018] 4*128kB [ 409.263173] ? _raw_spin_unlock_irq+0x27/0x80 [ 409.267643] (UMH) [ 409.269972] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.274446] 0*256kB [ 409.276590] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 409.280798] 0*512kB [ 409.283114] ? trace_hardirqs_on+0xbd/0x310 [ 409.287684] 1*1024kB [ 409.290001] ? kasan_check_read+0x11/0x20 [ 409.294307] (H) [ 409.296728] ? __run_timers+0x7da/0xc70 [ 409.300847] 0*2048kB 0*4096kB [ 409.302830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 409.306778] = 14056kB [ 409.309974] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.315415] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 409.317807] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 409.322027] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 409.330851] __run_timers+0x7e5/0xc70 [ 409.335060] 147 total pagecache pages [ 409.343637] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 409.347412] 0 pages in swap cache [ 409.351196] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 409.356534] Swap cache stats: add 0, delete 0, find 0/0 [ 409.356542] Free swap = 0kB [ 409.359987] ? graph_lock+0x170/0x170 [ 409.364971] Total swap = 0kB [ 409.364978] 1965979 pages RAM [ 409.370334] ? enqueue_hrtimer+0x1a5/0x560 [ 409.373329] 0 pages HighMem/MovableOnly [ 409.377125] ? lock_release+0x970/0x970 [ 409.380117] 342307 pages reserved [ 409.380125] 0 pages cma reserved [ 409.383221] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 409.387508] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.391403] ? find_held_lock+0x36/0x1c0 [ 409.391420] ? graph_lock+0x170/0x170 [ 409.391443] ? pvclock_read_flags+0x160/0x160 [ 409.395478] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.398846] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.402189] ksoftirqd/0 cpuset= [ 409.407373] ? check_preemption_disabled+0x48/0x280 [ 409.413859] / [ 409.417937] ? __lock_is_held+0xb5/0x140 [ 409.421703] mems_allowed=0 [ 409.426201] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.464522] ? check_preemption_disabled+0x48/0x280 [ 409.469549] run_timer_softirq+0x52/0xb0 [ 409.473615] ? rcu_read_lock_sched_held+0x108/0x120 [ 409.478635] __do_softirq+0x30c/0xb03 [ 409.482463] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 409.487611] ? pvclock_read_flags+0x160/0x160 [ 409.492111] ? lapic_next_event+0x5a/0x90 [ 409.496284] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.501824] ? check_preemption_disabled+0x48/0x280 [ 409.506843] ? check_preemption_disabled+0x48/0x280 [ 409.511870] ? kvm_clock_read+0x18/0x30 [ 409.515844] ? kvm_sched_clock_read+0x9/0x20 [ 409.520261] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.525803] ? check_preemption_disabled+0x48/0x280 [ 409.530832] irq_exit+0x17f/0x1c0 [ 409.534295] smp_apic_timer_interrupt+0x1cb/0x760 [ 409.539136] ? smp_reschedule_interrupt+0x109/0x650 [ 409.544172] ? smp_call_function_single_interrupt+0x650/0x650 [ 409.550059] ? interrupt_entry+0xb5/0xf0 [ 409.554149] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.559194] ? trace_hardirqs_off_caller+0xbb/0x310 [ 409.564247] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.569101] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.574116] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.579133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.584698] ? check_preemption_disabled+0x48/0x280 [ 409.589720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.595269] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.600122] apic_timer_interrupt+0xf/0x20 [ 409.604359] [ 409.606599] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 409.611529] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 409.630433] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 409.638146] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 409.645430] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 409.652697] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 409.659968] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 409.667253] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 409.674566] skb_clone+0x1bb/0x500 [ 409.678108] ? finish_task_switch+0x1b4/0x910 [ 409.682604] ? skb_split+0x11e0/0x11e0 [ 409.686501] ? preempt_notifier_register+0x200/0x200 [ 409.691606] ? __switch_to_asm+0x34/0x70 [ 409.695670] ? __switch_to_asm+0x34/0x70 [ 409.699729] ? __switch_to_asm+0x40/0x70 [ 409.703788] ? __switch_to_asm+0x34/0x70 [ 409.707854] ? __switch_to_asm+0x40/0x70 [ 409.711916] ? __switch_to_asm+0x34/0x70 [ 409.715984] ? __switch_to_asm+0x40/0x70 [ 409.720075] ? __switch_to_asm+0x34/0x70 [ 409.724135] ? __switch_to_asm+0x34/0x70 [ 409.728201] ? __switch_to_asm+0x40/0x70 [ 409.732265] ? __switch_to_asm+0x34/0x70 [ 409.736334] bpf_clone_redirect+0xb9/0x490 [ 409.740585] ? __schedule+0x874/0x1ed0 [ 409.744481] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 409.749502] ? __sched_text_start+0x8/0x8 [ 409.753658] ? lockdep_hardirqs_on+0x421/0x5c0 [ 409.758242] ? retint_kernel+0x2d/0x2d [ 409.762129] ? trace_hardirqs_on_caller+0xc0/0x310 [ 409.767085] ? find_held_lock+0x36/0x1c0 [ 409.771161] ? lock_acquire+0x1ed/0x520 [ 409.775135] ? bpf_test_run+0x32e/0x5a0 [ 409.779147] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 409.784699] ? check_preemption_disabled+0x48/0x280 [ 409.789725] ? kasan_check_read+0x11/0x20 [ 409.793874] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 409.799161] ? rcu_bh_qs+0xc0/0xc0 [ 409.802707] ? preempt_schedule+0x4d/0x60 [ 409.806856] ? ___preempt_schedule+0x16/0x18 [ 409.811274] ? bpf_test_run+0x1c0/0x5a0 [ 409.815265] ? netlink_diag_dump+0x2a0/0x2a0 [ 409.819679] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 409.825245] ? bpf_test_init.isra.9+0x70/0x100 [ 409.829860] ? bpf_prog_test_run_skb+0x634/0xb40 [ 409.834621] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 409.839462] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 409.844999] ? fput+0x130/0x1a0 [ 409.848283] ? __bpf_prog_get+0x9b/0x290 [ 409.852347] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 409.857203] ? bpf_prog_test_run+0x130/0x1a0 [ 409.861619] ? __x64_sys_bpf+0x3d8/0x510 [ 409.865682] ? bpf_prog_get+0x20/0x20 [ 409.869509] ? do_syscall_64+0x1b9/0x820 [ 409.873585] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 409.878962] ? syscall_return_slowpath+0x5e0/0x5e0 [ 409.883897] ? trace_hardirqs_on_caller+0x310/0x310 [ 409.888921] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 409.893949] ? recalc_sigpending_tsk+0x180/0x180 [ 409.898714] ? kasan_check_write+0x14/0x20 [ 409.902962] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 409.907815] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 409.913236] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 409.913308] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 409.919988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 409.919997] Call Trace: [ 409.926635] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 409.935828] dump_stack+0x1c4/0x2b6 [ 409.938393] syz-executor1 cpuset= [ 409.948878] ? dump_stack_print_info.cold.1+0x20/0x20 [ 409.952480] syz1 [ 409.955951] warn_alloc.cold.119+0xb7/0x1bd [ 409.961117] mems_allowed=0 [ 409.963084] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 409.975176] ? lock_downgrade+0x900/0x900 [ 409.979344] ? trace_hardirqs_off+0xb8/0x310 [ 409.983758] ? trace_hardirqs_off+0xb8/0x310 [ 409.988196] __alloc_pages_slowpath+0x265e/0x2d70 [ 409.993087] ? warn_alloc+0x120/0x120 [ 409.996919] ? warn_alloc+0x120/0x120 [ 410.000740] ? print_usage_bug+0xc0/0xc0 [ 410.004820] ? warn_alloc+0x120/0x120 [ 410.008620] ? print_usage_bug+0xc0/0xc0 [ 410.012688] ? __lock_acquire+0x7ec/0x4ec0 [ 410.016925] ? __lock_acquire+0x7ec/0x4ec0 [ 410.021172] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.026710] ? should_fail+0x22d/0xd01 [ 410.030592] ? __lock_acquire+0x7ec/0x4ec0 [ 410.034833] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.039936] ? __lock_acquire+0x7ec/0x4ec0 [ 410.044185] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.049286] ? __lock_acquire+0x7ec/0x4ec0 [ 410.053518] ? should_fail+0x22d/0xd01 [ 410.057415] ? mark_held_locks+0x130/0x130 [ 410.061669] ? mark_held_locks+0x130/0x130 [ 410.065915] ? graph_lock+0x170/0x170 [ 410.069715] ? print_usage_bug+0xc0/0xc0 [ 410.073779] ? wq_watchdog_touch+0x9c/0xfe [ 410.078019] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.083557] ? check_preemption_disabled+0x48/0x280 [ 410.088570] ? check_preemption_disabled+0x48/0x280 [ 410.093597] ? __lock_is_held+0xb5/0x140 [ 410.097669] __alloc_pages_nodemask+0xa80/0xde0 [ 410.102360] ? graph_lock+0x170/0x170 [ 410.106174] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 410.111190] ? graph_lock+0x170/0x170 [ 410.115007] ? find_held_lock+0x36/0x1c0 [ 410.119084] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.123754] ? lock_downgrade+0x900/0x900 [ 410.127940] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.133482] cache_grow_begin+0x91/0x8c0 [ 410.137548] ? do_raw_spin_unlock+0xa7/0x330 [ 410.142012] fallback_alloc+0x203/0x2e0 [ 410.145999] ____cache_alloc_node+0x1c7/0x1e0 [ 410.150515] kmem_cache_alloc_node+0xe3/0x730 [ 410.155045] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.159297] __alloc_skb+0x119/0x770 [ 410.163014] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.168299] ? skb_scrub_packet+0x490/0x490 [ 410.172627] ? lock_downgrade+0x900/0x900 [ 410.176783] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.182322] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.187773] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.193238] ? addrconf_rs_timer+0x690/0x690 [ 410.197703] ndisc_alloc_skb+0x144/0x340 [ 410.201770] ndisc_send_rs+0x331/0x6e0 [ 410.205697] addrconf_rs_timer+0x314/0x690 [ 410.209939] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.214205] call_timer_fn+0x272/0x920 [ 410.218103] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.222340] ? process_timeout+0x40/0x40 [ 410.226402] ? find_held_lock+0x36/0x1c0 [ 410.230480] ? __run_timers+0x7da/0xc70 [ 410.234475] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.238983] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.243491] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.247740] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 410.252335] ? trace_hardirqs_on+0xbd/0x310 [ 410.256673] ? kasan_check_read+0x11/0x20 [ 410.260849] ? __run_timers+0x7da/0xc70 [ 410.264830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.270293] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 410.274544] __run_timers+0x7e5/0xc70 [ 410.278366] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 410.283734] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.288232] ? _raw_spin_unlock_irq+0x27/0x80 [ 410.292745] ? lockdep_hardirqs_on+0x421/0x5c0 [ 410.297342] ? trace_hardirqs_on+0xbd/0x310 [ 410.301664] ? kasan_check_read+0x11/0x20 [ 410.305815] ? finish_task_switch+0x1f4/0x910 [ 410.310314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 410.315768] ? compat_start_thread+0x80/0x80 [ 410.320187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.325749] ? pvclock_read_flags+0x160/0x160 [ 410.330245] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.335783] ? check_preemption_disabled+0x48/0x280 [ 410.340809] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.346090] ? rcu_pm_notify+0xc0/0xc0 [ 410.349982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.355523] ? check_preemption_disabled+0x48/0x280 [ 410.360547] run_timer_softirq+0x52/0xb0 [ 410.364613] ? rcu_read_lock_sched_held+0x108/0x120 [ 410.369632] __do_softirq+0x30c/0xb03 [ 410.373452] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 410.378574] ? trace_hardirqs_off+0xb8/0x310 [ 410.382993] ? schedule+0x108/0x460 [ 410.386632] ? trace_hardirqs_off+0xb8/0x310 [ 410.391041] ? smpboot_thread_fn+0x68b/0xa00 [ 410.395452] ? trace_hardirqs_on+0x310/0x310 [ 410.399863] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.405399] ? check_preemption_disabled+0x48/0x280 [ 410.410492] ? takeover_tasklets+0xa90/0xa90 [ 410.414923] run_ksoftirqd+0x94/0x100 [ 410.418739] smpboot_thread_fn+0x68b/0xa00 [ 410.422977] ? sort_range+0x30/0x30 [ 410.426606] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 410.431710] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.437249] ? __kthread_parkme+0xfb/0x1a0 [ 410.441492] kthread+0x35a/0x420 [ 410.444862] ? sort_range+0x30/0x30 [ 410.448487] ? kthread_bind+0x40/0x40 [ 410.452295] ret_from_fork+0x3a/0x50 [ 410.456023] warn_alloc_show_mem: 1 callbacks suppressed [ 410.456035] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 410.456037] Mem-Info: [ 410.456068] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 410.456068] active_file:15 inactive_file:13 isolated_file:0 [ 410.456068] unevictable:0 dirty:0 writeback:0 unstable:0 [ 410.456068] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 410.456068] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 410.456068] free:13788 free_pcp:609 free_cma:0 [ 410.461405] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 410.468686] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 410.471081] Call Trace: [ 410.503983] Node 0 [ 410.513334] [ 410.540871] 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 [ 410.543454] dump_stack+0x1c4/0x2b6 [ 410.545664] lowmem_reserve[]: [ 410.547828] ? dump_stack_print_info.cold.1+0x20/0x20 [ 410.573320] 0 2819 [ 410.576967] warn_alloc.cold.119+0xb7/0x1bd [ 410.580030] 6323 6323 [ 410.585222] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 410.587438] Node 0 [ 410.591754] ? lock_downgrade+0x900/0x900 [ 410.594253] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 410.599070] ? trace_hardirqs_off+0xb8/0x310 [ 410.601277] lowmem_reserve[]: [ 410.605419] ? trace_hardirqs_off+0xb8/0x310 [ 410.632299] 0 [ 410.636723] __alloc_pages_slowpath+0x265e/0x2d70 [ 410.639793] 0 [ 410.644223] ? warn_alloc+0x120/0x120 [ 410.645972] 3503 3503 [ 410.650816] ? warn_alloc+0x120/0x120 [ 410.656394] ? print_usage_bug+0xc0/0xc0 [ 410.658866] Node 0 [ 410.662658] ? warn_alloc+0x120/0x120 [ 410.666719] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 410.668922] ? print_usage_bug+0xc0/0xc0 [ 410.672700] lowmem_reserve[]: [ 410.701085] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 410.705116] 0 [ 410.708220] ? should_fail+0x22d/0xd01 [ 410.713726] 0 0 [ 410.715537] ? __lock_acquire+0x7ec/0x4ec0 [ 410.719390] 0 [ 410.721372] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.725579] Node 0 [ 410.727378] ? __lock_acquire+0x7ec/0x4ec0 [ 410.732448] DMA: 1*4kB [ 410.734687] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 410.738895] (U) [ 410.741474] ? __lock_acquire+0x7ec/0x4ec0 [ 410.746550] 0*8kB 0*16kB [ 410.748529] ? should_fail+0x22d/0xd01 [ 410.752742] 1*32kB [ 410.755503] ? mark_held_locks+0x130/0x130 [ 410.759375] (U) [ 410.761610] ? mark_held_locks+0x130/0x130 [ 410.765821] 2*64kB [ 410.767796] ? mark_held_locks+0x130/0x130 [ 410.772003] (U) [ 410.774232] ? graph_lock+0x170/0x170 [ 410.778446] 1*128kB [ 410.780413] ? print_usage_bug+0xc0/0xc0 [ 410.784373] (U) 1*256kB [ 410.786708] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.790740] (U) [ 410.793409] ? check_preemption_disabled+0x48/0x280 [ 410.798922] 0*512kB [ 410.800893] ? check_preemption_disabled+0x48/0x280 [ 410.805881] 1*1024kB [ 410.808217] ? __lock_is_held+0xb5/0x140 [ 410.813222] (U) [ 410.815661] __alloc_pages_nodemask+0xa80/0xde0 [ 410.819699] 1*2048kB [ 410.821670] ? graph_lock+0x170/0x170 [ 410.826314] (M) [ 410.828742] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 410.832516] 3*4096kB [ 410.834481] ? graph_lock+0x170/0x170 [ 410.839472] (M) [ 410.841883] ? find_held_lock+0x36/0x1c0 [ 410.845645] = 15908kB [ 410.845653] Node 0 [ 410.847630] ? ____cache_alloc_node+0x1c7/0x1e0 [ 410.851658] DMA32: [ 410.854060] ? lock_downgrade+0x900/0x900 [ 410.856277] 5*4kB [ 410.860954] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.863175] (UM) [ 410.867319] cache_grow_begin+0x91/0x8c0 [ 410.869446] 0*8kB [ 410.874979] ? do_raw_spin_unlock+0xa7/0x330 [ 410.877017] 3*16kB [ 410.881077] fallback_alloc+0x203/0x2e0 [ 410.883202] (UM) [ 410.887606] ____cache_alloc_node+0x1c7/0x1e0 [ 410.889822] 2*32kB [ 410.893792] kmem_cache_alloc_node+0xe3/0x730 [ 410.895834] (M) 5*64kB [ 410.900331] ? ipv6_get_ifaddr+0x42e/0x620 [ 410.902540] (UM) [ 410.907040] __alloc_skb+0x119/0x770 [ 410.909609] 4*128kB [ 410.914602] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 410.916641] (UM) [ 410.920351] ? skb_scrub_packet+0x490/0x490 [ 410.922653] 3*256kB [ 410.927942] ? lock_downgrade+0x900/0x900 [ 410.929974] (M) [ 410.934292] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 410.936592] 4*512kB [ 410.940735] ? refcount_sub_and_test_checked+0x203/0x310 [ 410.942679] (UM) 3*1024kB [ 410.948244] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 410.950588] (UM) [ 410.956029] ? addrconf_rs_timer+0x690/0x690 [ 410.958850] 3*2048kB (M) 3*4096kB (M) = 25284kB [ 410.958863] Node 0 Normal: 888*4kB (UMEH) 387*8kB (UME) 157*16kB (UME) 53*32kB (UMEH) 26*64kB (UMH) 4*128kB (UMH) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14056kB [ 410.958923] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 410.958930] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 410.958935] 147 total pagecache pages [ 410.958952] 0 pages in swap cache [ 410.964406] ndisc_alloc_skb+0x144/0x340 [ 410.966446] Swap cache stats: add 0, delete 0, find 0/0 [ 410.970861] ndisc_send_rs+0x331/0x6e0 [ 410.975504] Free swap = 0kB [ 410.990847] addrconf_rs_timer+0x314/0x690 [ 410.999654] Total swap = 0kB [ 411.008224] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.011996] 1965979 pages RAM [ 411.015452] call_timer_fn+0x272/0x920 [ 411.019486] 0 pages HighMem/MovableOnly [ 411.024842] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.028703] 342307 pages reserved [ 411.031714] ? process_timeout+0x40/0x40 [ 411.035933] 0 pages cma reserved [ 411.036016] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.038954] ? find_held_lock+0x36/0x1c0 [ 411.038976] ? __run_timers+0x7da/0xc70 [ 411.043272] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.046283] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.050168] ksoftirqd/0 cpuset= [ 411.054134] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.058350] / [ 411.061790] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.061807] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 411.065845] mems_allowed=0 [ 411.069205] ? trace_hardirqs_on+0xbd/0x310 [ 411.123967] ? kasan_check_read+0x11/0x20 [ 411.128113] ? __run_timers+0x7da/0xc70 [ 411.132086] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 411.137600] ? tcp_compressed_ack_kick+0x220/0x220 [ 411.142540] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.146780] __run_timers+0x7e5/0xc70 [ 411.150594] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 411.155969] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 411.161011] ? graph_lock+0x170/0x170 [ 411.164831] ? enqueue_hrtimer+0x1a5/0x560 [ 411.169092] ? lock_release+0x970/0x970 [ 411.173069] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 411.178284] ? find_held_lock+0x36/0x1c0 [ 411.182350] ? graph_lock+0x170/0x170 [ 411.186165] ? pvclock_read_flags+0x160/0x160 [ 411.190666] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.196207] ? check_preemption_disabled+0x48/0x280 [ 411.201234] ? __lock_is_held+0xb5/0x140 [ 411.205298] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.210838] ? check_preemption_disabled+0x48/0x280 [ 411.215866] run_timer_softirq+0x52/0xb0 [ 411.219946] ? rcu_read_lock_sched_held+0x108/0x120 [ 411.224979] __do_softirq+0x30c/0xb03 [ 411.228792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 411.233906] ? pvclock_read_flags+0x160/0x160 [ 411.238404] ? lapic_next_event+0x5a/0x90 [ 411.242554] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.248093] ? check_preemption_disabled+0x48/0x280 [ 411.253110] ? check_preemption_disabled+0x48/0x280 [ 411.258134] ? kvm_clock_read+0x18/0x30 [ 411.262130] ? kvm_sched_clock_read+0x9/0x20 [ 411.266566] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.272106] ? check_preemption_disabled+0x48/0x280 [ 411.277143] irq_exit+0x17f/0x1c0 [ 411.280612] smp_apic_timer_interrupt+0x1cb/0x760 [ 411.285457] ? smp_reschedule_interrupt+0x109/0x650 [ 411.290503] ? smp_call_function_single_interrupt+0x650/0x650 [ 411.296405] ? interrupt_entry+0xb5/0xf0 [ 411.300496] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.305544] ? trace_hardirqs_off_caller+0xbb/0x310 [ 411.310581] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.315425] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.320449] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.325466] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.331008] ? check_preemption_disabled+0x48/0x280 [ 411.336027] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.341574] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.346431] apic_timer_interrupt+0xf/0x20 [ 411.350659] [ 411.352919] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 411.357871] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 411.376770] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 411.384481] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 411.391750] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 411.399022] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 411.406287] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 411.413559] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 411.420899] skb_clone+0x1bb/0x500 [ 411.424448] ? finish_task_switch+0x1b4/0x910 [ 411.428972] ? skb_split+0x11e0/0x11e0 [ 411.432862] ? preempt_notifier_register+0x200/0x200 [ 411.437964] ? __switch_to_asm+0x34/0x70 [ 411.442028] ? __switch_to_asm+0x34/0x70 [ 411.446088] ? __switch_to_asm+0x40/0x70 [ 411.450147] ? __switch_to_asm+0x34/0x70 [ 411.454216] ? __switch_to_asm+0x40/0x70 [ 411.458277] ? __switch_to_asm+0x34/0x70 [ 411.462336] ? __switch_to_asm+0x40/0x70 [ 411.466396] ? __switch_to_asm+0x34/0x70 [ 411.470456] ? __switch_to_asm+0x34/0x70 [ 411.474516] ? __switch_to_asm+0x40/0x70 [ 411.478576] ? __switch_to_asm+0x34/0x70 [ 411.482645] bpf_clone_redirect+0xb9/0x490 [ 411.486886] ? __schedule+0x874/0x1ed0 [ 411.490780] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 411.495805] ? __sched_text_start+0x8/0x8 [ 411.499967] ? lockdep_hardirqs_on+0x421/0x5c0 [ 411.504547] ? retint_kernel+0x2d/0x2d [ 411.508439] ? trace_hardirqs_on_caller+0xc0/0x310 [ 411.513380] ? find_held_lock+0x36/0x1c0 [ 411.517451] ? lock_acquire+0x1ed/0x520 [ 411.521424] ? bpf_test_run+0x32e/0x5a0 [ 411.525400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.530943] ? check_preemption_disabled+0x48/0x280 [ 411.535967] ? kasan_check_read+0x11/0x20 [ 411.540121] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.545405] ? rcu_bh_qs+0xc0/0xc0 [ 411.548981] ? preempt_schedule+0x4d/0x60 [ 411.553134] ? ___preempt_schedule+0x16/0x18 [ 411.557574] ? bpf_test_run+0x1c0/0x5a0 [ 411.561567] ? netlink_diag_dump+0x2a0/0x2a0 [ 411.565980] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.571517] ? bpf_test_init.isra.9+0x70/0x100 [ 411.576104] ? bpf_prog_test_run_skb+0x634/0xb40 [ 411.580869] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 411.585744] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 411.591283] ? fput+0x130/0x1a0 [ 411.594564] ? __bpf_prog_get+0x9b/0x290 [ 411.598631] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 411.603479] ? bpf_prog_test_run+0x130/0x1a0 [ 411.607894] ? __x64_sys_bpf+0x3d8/0x510 [ 411.611962] ? bpf_prog_get+0x20/0x20 [ 411.615785] ? do_syscall_64+0x1b9/0x820 [ 411.619845] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 411.625211] ? syscall_return_slowpath+0x5e0/0x5e0 [ 411.630146] ? trace_hardirqs_on_caller+0x310/0x310 [ 411.635180] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 411.640199] ? recalc_sigpending_tsk+0x180/0x180 [ 411.644960] ? kasan_check_write+0x14/0x20 [ 411.649204] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 411.654079] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 411.659462] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 411.659534] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 411.666213] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 411.666218] Call Trace: [ 411.666240] dump_stack+0x1c4/0x2b6 [ 411.666262] ? dump_stack_print_info.cold.1+0x20/0x20 [ 411.672825] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 411.682096] warn_alloc.cold.119+0xb7/0x1bd [ 411.684649] syz-executor1 cpuset= [ 411.688272] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 411.693448] syz1 mems_allowed=0 [ 411.703952] ? lock_downgrade+0x900/0x900 [ 411.723952] ? trace_hardirqs_off+0xb8/0x310 [ 411.728382] ? trace_hardirqs_off+0xb8/0x310 [ 411.732802] __alloc_pages_slowpath+0x265e/0x2d70 [ 411.737675] ? warn_alloc+0x120/0x120 [ 411.741504] ? warn_alloc+0x120/0x120 [ 411.745323] ? print_usage_bug+0xc0/0xc0 [ 411.749385] ? warn_alloc+0x120/0x120 [ 411.753195] ? print_usage_bug+0xc0/0xc0 [ 411.757264] ? __lock_acquire+0x7ec/0x4ec0 [ 411.761500] ? __lock_acquire+0x7ec/0x4ec0 [ 411.765738] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.771289] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 411.776828] ? should_fail+0x22d/0xd01 [ 411.780727] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.785845] ? __lock_acquire+0x7ec/0x4ec0 [ 411.790089] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 411.795190] ? __lock_acquire+0x7ec/0x4ec0 [ 411.799424] ? should_fail+0x22d/0xd01 [ 411.803332] ? mark_held_locks+0x130/0x130 [ 411.807579] ? mark_held_locks+0x130/0x130 [ 411.811820] ? mark_held_locks+0xc7/0x130 [ 411.815978] ? print_usage_bug+0xc0/0xc0 [ 411.820044] ? graph_lock+0x170/0x170 [ 411.823857] ? print_usage_bug+0xc0/0xc0 [ 411.827941] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.833488] ? check_preemption_disabled+0x48/0x280 [ 411.838510] ? check_preemption_disabled+0x48/0x280 [ 411.843559] ? __lock_is_held+0xb5/0x140 [ 411.847631] __alloc_pages_nodemask+0xa80/0xde0 [ 411.852305] ? graph_lock+0x170/0x170 [ 411.856112] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 411.861126] ? graph_lock+0x170/0x170 [ 411.864945] ? find_held_lock+0x36/0x1c0 [ 411.869034] ? ____cache_alloc_node+0x1c7/0x1e0 [ 411.873704] ? lock_downgrade+0x900/0x900 [ 411.877887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.883462] cache_grow_begin+0x91/0x8c0 [ 411.887528] ? do_raw_spin_unlock+0xa7/0x330 [ 411.891944] fallback_alloc+0x203/0x2e0 [ 411.895931] ____cache_alloc_node+0x1c7/0x1e0 [ 411.900438] kmem_cache_alloc_node+0xe3/0x730 [ 411.904951] ? ipv6_get_ifaddr+0x42e/0x620 [ 411.909229] __alloc_skb+0x119/0x770 [ 411.912976] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 411.918290] ? skb_scrub_packet+0x490/0x490 [ 411.922620] ? lock_downgrade+0x900/0x900 [ 411.926781] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 411.932329] ? refcount_sub_and_test_checked+0x203/0x310 [ 411.937783] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 411.943244] ? addrconf_rs_timer+0x690/0x690 [ 411.947670] ndisc_alloc_skb+0x144/0x340 [ 411.951741] ndisc_send_rs+0x331/0x6e0 [ 411.955640] addrconf_rs_timer+0x314/0x690 [ 411.960065] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.964344] call_timer_fn+0x272/0x920 [ 411.968232] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.972475] ? process_timeout+0x40/0x40 [ 411.976536] ? find_held_lock+0x36/0x1c0 [ 411.980611] ? __run_timers+0x7da/0xc70 [ 411.984609] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.989103] ? _raw_spin_unlock_irq+0x27/0x80 [ 411.993599] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 411.997835] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.002419] ? trace_hardirqs_on+0xbd/0x310 [ 412.006746] ? kasan_check_read+0x11/0x20 [ 412.010895] ? __run_timers+0x7da/0xc70 [ 412.014875] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.020330] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.024571] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.028806] __run_timers+0x7e5/0xc70 [ 412.032626] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.037990] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.042480] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.046981] ? lockdep_hardirqs_on+0x421/0x5c0 [ 412.051583] ? trace_hardirqs_on+0xbd/0x310 [ 412.055918] ? kasan_check_read+0x11/0x20 [ 412.060093] ? finish_task_switch+0x1f4/0x910 [ 412.064593] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.070061] ? compat_start_thread+0x80/0x80 [ 412.074476] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.080030] ? pvclock_read_flags+0x160/0x160 [ 412.084526] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.090078] ? check_preemption_disabled+0x48/0x280 [ 412.095106] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.100391] ? rcu_pm_notify+0xc0/0xc0 [ 412.104285] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.109829] ? check_preemption_disabled+0x48/0x280 [ 412.114855] run_timer_softirq+0x52/0xb0 [ 412.118938] ? rcu_read_lock_sched_held+0x108/0x120 [ 412.123976] __do_softirq+0x30c/0xb03 [ 412.127792] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 412.132893] ? trace_hardirqs_off+0xb8/0x310 [ 412.137313] ? schedule+0x108/0x460 [ 412.140980] ? trace_hardirqs_off+0xb8/0x310 [ 412.145391] ? smpboot_thread_fn+0x68b/0xa00 [ 412.149807] ? trace_hardirqs_on+0x310/0x310 [ 412.154219] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.159763] ? check_preemption_disabled+0x48/0x280 [ 412.164785] ? takeover_tasklets+0xa90/0xa90 [ 412.169209] run_ksoftirqd+0x94/0x100 [ 412.173099] smpboot_thread_fn+0x68b/0xa00 [ 412.177340] ? sort_range+0x30/0x30 [ 412.180968] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 412.186076] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.191647] ? __kthread_parkme+0xfb/0x1a0 [ 412.195932] kthread+0x35a/0x420 [ 412.199297] ? sort_range+0x30/0x30 [ 412.202954] ? kthread_bind+0x40/0x40 [ 412.206773] ret_from_fork+0x3a/0x50 [ 412.210534] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 412.210539] warn_alloc_show_mem: 1 callbacks suppressed [ 412.210547] Mem-Info: [ 412.217819] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 412.223201] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 412.223201] active_file:15 inactive_file:13 isolated_file:0 [ 412.223201] unevictable:0 dirty:0 writeback:0 unstable:0 [ 412.223201] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 412.223201] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 412.223201] free:13788 free_pcp:609 free_cma:0 [ 412.225569] Call Trace: [ 412.225577] [ 412.234982] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 412.267864] dump_stack+0x1c4/0x2b6 [ 412.270450] Node 0 [ 412.272598] ? dump_stack_print_info.cold.1+0x20/0x20 [ 412.300101] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 412.303712] warn_alloc.cold.119+0xb7/0x1bd [ 412.305915] lowmem_reserve[]: 0 [ 412.311121] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 412.336596] 2819 6323 [ 412.340947] ? lock_downgrade+0x900/0x900 [ 412.344224] 6323 [ 412.349066] ? trace_hardirqs_off+0xb8/0x310 [ 412.355677] ? trace_hardirqs_off+0xb8/0x310 [ 412.357712] Node 0 [ 412.362115] __alloc_pages_slowpath+0x265e/0x2d70 [ 412.366514] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 412.368743] ? warn_alloc+0x120/0x120 [ 412.373529] lowmem_reserve[]: 0 [ 412.400425] ? trace_hardirqs_on+0x310/0x310 [ 412.404206] 0 [ 412.407478] ? warn_alloc+0x120/0x120 [ 412.411855] 3503 3503 [ 412.413659] ? print_usage_bug+0xc0/0xc0 [ 412.419922] ? warn_alloc+0x120/0x120 [ 412.423957] Node 0 [ 412.427744] ? ktime_get+0x2e1/0x440 [ 412.427780] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 412.429984] ? print_usage_bug+0xc0/0xc0 [ 412.433674] lowmem_reserve[]: [ 412.462032] ? __lock_acquire+0x7ec/0x4ec0 [ 412.466068] 0 [ 412.469174] ? __lock_acquire+0x7ec/0x4ec0 [ 412.473393] 0 [ 412.475195] ? kasan_check_read+0x11/0x20 [ 412.479404] 0 [ 412.481220] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 412.485341] 0 [ 412.487137] ? should_fail+0x22d/0xd01 [ 412.494457] ? rcu_bh_qs+0xc0/0xc0 [ 412.498316] Node 0 DMA: [ 412.501848] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.501863] ? __lock_acquire+0x7ec/0x4ec0 [ 412.504530] 1*4kB [ 412.509625] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 412.513834] (U) [ 412.515975] ? __lock_acquire+0x7ec/0x4ec0 [ 412.516005] ? should_fail+0x22d/0xd01 [ 412.521086] 0*8kB [ 412.523068] ? rcu_idle_enter+0x4b0/0x4b0 [ 412.527309] 0*16kB [ 412.531226] ? mark_held_locks+0x130/0x130 [ 412.533370] 1*32kB [ 412.537525] ? mark_held_locks+0x130/0x130 [ 412.539737] (U) [ 412.543967] ? mark_held_locks+0xc7/0x130 [ 412.546182] 2*64kB (U) [ 412.550421] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 412.552375] 1*128kB [ 412.556516] ? graph_lock+0x170/0x170 [ 412.559075] (U) [ 412.564082] ? print_usage_bug+0xc0/0xc0 [ 412.566386] 1*256kB [ 412.570232] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.572181] (U) [ 412.576239] ? check_preemption_disabled+0x48/0x280 [ 412.578535] 0*512kB [ 412.584065] ? check_preemption_disabled+0x48/0x280 [ 412.586019] 1*1024kB [ 412.591050] ? __lock_is_held+0xb5/0x140 [ 412.593342] (U) [ 412.598387] __alloc_pages_nodemask+0xa80/0xde0 [ 412.600768] 1*2048kB [ 412.604819] ? graph_lock+0x170/0x170 [ 412.606771] (M) [ 412.611430] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 412.613821] 3*4096kB [ 412.617616] ? graph_lock+0x170/0x170 [ 412.619569] (M) [ 412.624586] ? find_held_lock+0x36/0x1c0 [ 412.626971] = 15908kB [ 412.630815] ? ____cache_alloc_node+0x1c7/0x1e0 [ 412.632764] Node 0 [ 412.636829] ? lock_downgrade+0x900/0x900 [ 412.639243] DMA32: [ 412.643919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.646126] 5*4kB [ 412.650288] cache_grow_begin+0x91/0x8c0 [ 412.652499] (UM) [ 412.658032] ? do_raw_spin_unlock+0xa7/0x330 [ 412.660241] 0*8kB 3*16kB [ 412.664308] fallback_alloc+0x203/0x2e0 [ 412.666342] (UM) [ 412.670750] ____cache_alloc_node+0x1c7/0x1e0 [ 412.673481] 2*32kB [ 412.677451] kmem_cache_alloc_node+0xe3/0x730 [ 412.679492] (M) [ 412.683986] ? ipv6_get_ifaddr+0x42e/0x620 [ 412.686223] 5*64kB [ 412.690718] __alloc_skb+0x119/0x770 [ 412.692668] (UM) [ 412.696900] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 412.699131] 4*128kB [ 412.702842] ? skb_scrub_packet+0x490/0x490 [ 412.704896] (UM) [ 412.710176] ? lock_downgrade+0x900/0x900 [ 412.712505] 3*256kB [ 412.716821] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.718856] (M) [ 412.722997] ? refcount_sub_and_test_checked+0x203/0x310 [ 412.725294] 4*512kB (UM) [ 412.730831] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 412.732809] 3*1024kB [ 412.738251] ? addrconf_rs_timer+0x690/0x690 [ 412.740982] (UM) [ 412.746436] ndisc_alloc_skb+0x144/0x340 [ 412.748822] 3*2048kB [ 412.753240] ndisc_send_rs+0x331/0x6e0 [ 412.755277] (M) [ 412.759331] addrconf_rs_timer+0x314/0x690 [ 412.761717] 3*4096kB [ 412.765594] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.767542] (M) [ 412.771779] call_timer_fn+0x272/0x920 [ 412.774163] = 25284kB [ 412.778402] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.780355] Node 0 [ 412.784422] ? process_timeout+0x40/0x40 [ 412.786858] Normal: [ 412.791085] ? find_held_lock+0x36/0x1c0 [ 412.793302] 888*4kB [ 412.797356] ? __run_timers+0x7da/0xc70 [ 412.799647] (UMEH) [ 412.803700] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.806002] 387*8kB [ 412.809966] ? _raw_spin_unlock_irq+0x27/0x80 [ 412.812209] (UME) [ 412.816695] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.818993] 157*16kB [ 412.823478] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 412.825605] (UME) [ 412.829854] ? trace_hardirqs_on+0xbd/0x310 [ 412.832238] 53*32kB [ 412.836815] ? kasan_check_read+0x11/0x20 [ 412.838932] (UMEH) 26*64kB [ 412.843255] ? __run_timers+0x7da/0xc70 [ 412.845554] (UMH) [ 412.849695] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 412.852606] 4*128kB [ 412.856575] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.858710] (UMH) [ 412.864175] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 412.866473] 0*256kB [ 412.870710] __run_timers+0x7e5/0xc70 [ 412.872852] 0*512kB [ 412.877087] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 412.879404] 1*1024kB [ 412.883199] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 412.885498] (H) [ 412.890853] ? graph_lock+0x170/0x170 [ 412.893256] 0*2048kB [ 412.898276] ? enqueue_hrtimer+0x1a5/0x560 [ 412.900229] 0*4096kB [ 412.904022] ? lock_release+0x970/0x970 [ 412.906414] = 14056kB [ 412.910642] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 412.913056] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 412.917480] ? find_held_lock+0x36/0x1c0 [ 412.919891] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 412.925070] ? graph_lock+0x170/0x170 [ 412.933883] 147 total pagecache pages [ 412.937939] ? pvclock_read_flags+0x160/0x160 [ 412.946493] 0 pages in swap cache [ 412.950299] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.954094] Swap cache stats: add 0, delete 0, find 0/0 [ 412.958581] ? check_preemption_disabled+0x48/0x280 [ 412.962011] Free swap = 0kB [ 412.967573] ? __lock_is_held+0xb5/0x140 [ 412.972905] Total swap = 0kB [ 412.977919] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 412.980912] 1965979 pages RAM [ 412.984973] ? check_preemption_disabled+0x48/0x280 [ 412.987959] 0 pages HighMem/MovableOnly [ 412.987967] 342307 pages reserved [ 412.993501] run_timer_softirq+0x52/0xb0 [ 412.996608] 0 pages cma reserved [ 413.001620] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.005640] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.009015] __do_softirq+0x30c/0xb03 [ 413.013162] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.016421] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.021424] ksoftirqd/0 cpuset= [ 413.027924] ? pvclock_read_flags+0x160/0x160 [ 413.031710] / [ 413.042027] ? lapic_next_event+0x5a/0x90 [ 413.047125] mems_allowed=0 [ 413.050392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.069163] ? check_preemption_disabled+0x48/0x280 [ 413.074200] ? check_preemption_disabled+0x48/0x280 [ 413.079288] ? kvm_clock_read+0x18/0x30 [ 413.083282] ? kvm_sched_clock_read+0x9/0x20 [ 413.087688] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.093225] ? check_preemption_disabled+0x48/0x280 [ 413.098257] irq_exit+0x17f/0x1c0 [ 413.101708] smp_apic_timer_interrupt+0x1cb/0x760 [ 413.106552] ? smp_reschedule_interrupt+0x109/0x650 [ 413.111569] ? smp_call_function_single_interrupt+0x650/0x650 [ 413.117457] ? interrupt_entry+0xb5/0xf0 [ 413.121525] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.126538] ? trace_hardirqs_off_caller+0xbb/0x310 [ 413.131558] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.136411] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.141426] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.146457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.151996] ? check_preemption_disabled+0x48/0x280 [ 413.157038] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.162606] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.167460] apic_timer_interrupt+0xf/0x20 [ 413.171688] [ 413.173934] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 413.178865] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 413.197763] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 413.205474] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 413.212741] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 413.220021] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 413.227302] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 413.234571] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 413.241884] skb_clone+0x1bb/0x500 [ 413.245428] ? finish_task_switch+0x1b4/0x910 [ 413.249923] ? skb_split+0x11e0/0x11e0 [ 413.253819] ? preempt_notifier_register+0x200/0x200 [ 413.258930] ? __switch_to_asm+0x34/0x70 [ 413.262990] ? __switch_to_asm+0x34/0x70 [ 413.267049] ? __switch_to_asm+0x40/0x70 [ 413.271123] ? __switch_to_asm+0x34/0x70 [ 413.275190] ? __switch_to_asm+0x40/0x70 [ 413.279250] ? __switch_to_asm+0x34/0x70 [ 413.283305] ? __switch_to_asm+0x40/0x70 [ 413.287372] ? __switch_to_asm+0x34/0x70 [ 413.291443] ? __switch_to_asm+0x34/0x70 [ 413.295500] ? __switch_to_asm+0x40/0x70 [ 413.299556] ? __switch_to_asm+0x34/0x70 [ 413.303625] bpf_clone_redirect+0xb9/0x490 [ 413.307862] ? __schedule+0x874/0x1ed0 [ 413.311757] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 413.316774] ? __sched_text_start+0x8/0x8 [ 413.320929] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.325511] ? retint_kernel+0x2d/0x2d [ 413.329401] ? trace_hardirqs_on_caller+0xc0/0x310 [ 413.334334] ? find_held_lock+0x36/0x1c0 [ 413.338405] ? lock_acquire+0x1ed/0x520 [ 413.342381] ? bpf_test_run+0x32e/0x5a0 [ 413.346362] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.351908] ? check_preemption_disabled+0x48/0x280 [ 413.356940] ? kasan_check_read+0x11/0x20 [ 413.361091] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.366370] ? rcu_bh_qs+0xc0/0xc0 [ 413.369913] ? preempt_schedule+0x4d/0x60 [ 413.374078] ? ___preempt_schedule+0x16/0x18 [ 413.378494] ? bpf_test_run+0x1c0/0x5a0 [ 413.382484] ? netlink_diag_dump+0x2a0/0x2a0 [ 413.386916] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.392455] ? bpf_test_init.isra.9+0x70/0x100 [ 413.397045] ? bpf_prog_test_run_skb+0x634/0xb40 [ 413.401809] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.406652] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 413.412190] ? fput+0x130/0x1a0 [ 413.415494] ? __bpf_prog_get+0x9b/0x290 [ 413.419575] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 413.424434] ? bpf_prog_test_run+0x130/0x1a0 [ 413.428849] ? __x64_sys_bpf+0x3d8/0x510 [ 413.432908] ? bpf_prog_get+0x20/0x20 [ 413.436736] ? do_syscall_64+0x1b9/0x820 [ 413.440811] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 413.446202] ? syscall_return_slowpath+0x5e0/0x5e0 [ 413.451134] ? trace_hardirqs_on_caller+0x310/0x310 [ 413.456185] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 413.461203] ? recalc_sigpending_tsk+0x180/0x180 [ 413.465979] ? kasan_check_write+0x14/0x20 [ 413.470218] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 413.475067] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 413.480449] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 413.480523] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 413.487203] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 413.487208] Call Trace: [ 413.487229] dump_stack+0x1c4/0x2b6 [ 413.487248] ? dump_stack_print_info.cold.1+0x20/0x20 [ 413.493824] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 413.503085] warn_alloc.cold.119+0xb7/0x1bd [ 413.505638] syz-executor1 cpuset= [ 413.509257] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 413.514436] syz1 [ 413.524921] ? lock_downgrade+0x900/0x900 [ 413.529234] mems_allowed=0 [ 413.532681] ? trace_hardirqs_off+0xb8/0x310 [ 413.551012] ? trace_hardirqs_off+0xb8/0x310 [ 413.555440] __alloc_pages_slowpath+0x265e/0x2d70 [ 413.560314] ? warn_alloc+0x120/0x120 [ 413.564122] ? warn_alloc+0x120/0x120 [ 413.567943] ? print_usage_bug+0xc0/0xc0 [ 413.572005] ? warn_alloc+0x120/0x120 [ 413.575821] ? print_usage_bug+0xc0/0xc0 [ 413.579885] ? __lock_acquire+0x7ec/0x4ec0 [ 413.584122] ? __lock_acquire+0x7ec/0x4ec0 [ 413.588364] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.593901] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.599445] ? should_fail+0x22d/0xd01 [ 413.603341] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.608464] ? __lock_acquire+0x7ec/0x4ec0 [ 413.612719] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 413.617851] ? __lock_acquire+0x7ec/0x4ec0 [ 413.622083] ? should_fail+0x22d/0xd01 [ 413.625984] ? mark_held_locks+0x130/0x130 [ 413.630226] ? mark_held_locks+0x130/0x130 [ 413.634472] ? mark_held_locks+0xc7/0x130 [ 413.638618] ? print_usage_bug+0xc0/0xc0 [ 413.642686] ? graph_lock+0x170/0x170 [ 413.646492] ? print_usage_bug+0xc0/0xc0 [ 413.650557] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.656094] ? check_preemption_disabled+0x48/0x280 [ 413.661107] ? check_preemption_disabled+0x48/0x280 [ 413.666132] ? __lock_is_held+0xb5/0x140 [ 413.670207] __alloc_pages_nodemask+0xa80/0xde0 [ 413.674875] ? graph_lock+0x170/0x170 [ 413.678699] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 413.683714] ? graph_lock+0x170/0x170 [ 413.687526] ? find_held_lock+0x36/0x1c0 [ 413.691624] ? ____cache_alloc_node+0x1c7/0x1e0 [ 413.696298] ? lock_downgrade+0x900/0x900 [ 413.700459] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.706005] cache_grow_begin+0x91/0x8c0 [ 413.710069] ? do_raw_spin_unlock+0xa7/0x330 [ 413.714485] fallback_alloc+0x203/0x2e0 [ 413.718469] ____cache_alloc_node+0x1c7/0x1e0 [ 413.722972] kmem_cache_alloc_node+0xe3/0x730 [ 413.727470] ? ipv6_get_ifaddr+0x42e/0x620 [ 413.731726] __alloc_skb+0x119/0x770 [ 413.735465] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.740748] ? skb_scrub_packet+0x490/0x490 [ 413.745075] ? lock_downgrade+0x900/0x900 [ 413.749244] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.754783] ? refcount_sub_and_test_checked+0x203/0x310 [ 413.760249] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 413.765713] ? addrconf_rs_timer+0x690/0x690 [ 413.770147] ndisc_alloc_skb+0x144/0x340 [ 413.774223] ndisc_send_rs+0x331/0x6e0 [ 413.778114] addrconf_rs_timer+0x314/0x690 [ 413.782390] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.786640] call_timer_fn+0x272/0x920 [ 413.790531] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.794771] ? process_timeout+0x40/0x40 [ 413.798836] ? find_held_lock+0x36/0x1c0 [ 413.802905] ? __run_timers+0x7da/0xc70 [ 413.806883] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.811382] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.815878] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.820112] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 413.824697] ? trace_hardirqs_on+0xbd/0x310 [ 413.829035] ? kasan_check_read+0x11/0x20 [ 413.833189] ? __run_timers+0x7da/0xc70 [ 413.837175] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.842630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.846899] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 413.851163] __run_timers+0x7e5/0xc70 [ 413.854996] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 413.860375] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.864868] ? _raw_spin_unlock_irq+0x27/0x80 [ 413.869369] ? lockdep_hardirqs_on+0x421/0x5c0 [ 413.873952] ? trace_hardirqs_on+0xbd/0x310 [ 413.878281] ? kasan_check_read+0x11/0x20 [ 413.882439] ? finish_task_switch+0x1f4/0x910 [ 413.886964] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 413.892412] ? compat_start_thread+0x80/0x80 [ 413.896844] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.902412] ? pvclock_read_flags+0x160/0x160 [ 413.906914] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.912472] ? check_preemption_disabled+0x48/0x280 [ 413.917502] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 413.922779] ? rcu_pm_notify+0xc0/0xc0 [ 413.926668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 413.932240] ? check_preemption_disabled+0x48/0x280 [ 413.937266] run_timer_softirq+0x52/0xb0 [ 413.941324] ? rcu_read_lock_sched_held+0x108/0x120 [ 413.946342] __do_softirq+0x30c/0xb03 [ 413.950181] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 413.955288] ? trace_hardirqs_off+0xb8/0x310 [ 413.959721] ? schedule+0x108/0x460 [ 413.963380] ? trace_hardirqs_off+0xb8/0x310 [ 413.967791] ? smpboot_thread_fn+0x68b/0xa00 [ 413.972221] ? trace_hardirqs_on+0x310/0x310 [ 413.976645] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 413.982191] ? check_preemption_disabled+0x48/0x280 [ 413.987224] ? takeover_tasklets+0xa90/0xa90 [ 413.991638] run_ksoftirqd+0x94/0x100 [ 413.995463] smpboot_thread_fn+0x68b/0xa00 [ 413.999718] ? sort_range+0x30/0x30 [ 414.003344] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 414.008455] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.013996] ? __kthread_parkme+0xfb/0x1a0 [ 414.018235] kthread+0x35a/0x420 [ 414.021620] ? sort_range+0x30/0x30 [ 414.025246] ? kthread_bind+0x40/0x40 [ 414.029066] ret_from_fork+0x3a/0x50 [ 414.032799] warn_alloc_show_mem: 1 callbacks suppressed [ 414.032810] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 414.032811] Mem-Info: [ 414.032842] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 414.032842] active_file:15 inactive_file:13 isolated_file:0 [ 414.032842] unevictable:0 dirty:0 writeback:0 unstable:0 [ 414.032842] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 414.032842] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 414.032842] free:13788 free_pcp:609 free_cma:0 [ 414.038183] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 414.045468] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 414.047867] Call Trace: [ 414.080730] Node 0 [ 414.090074] [ 414.117579] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 414.120139] dump_stack+0x1c4/0x2b6 [ 414.122345] lowmem_reserve[]: [ 414.124518] ? dump_stack_print_info.cold.1+0x20/0x20 [ 414.149995] 0 [ 414.153624] warn_alloc.cold.119+0xb7/0x1bd [ 414.156692] 2819 6323 [ 414.161886] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 414.163668] 6323 [ 414.167992] ? lock_downgrade+0x900/0x900 [ 414.170463] Node 0 [ 414.175325] ? trace_hardirqs_off+0xb8/0x310 [ 414.177386] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 414.181504] ? trace_hardirqs_off+0xb8/0x310 [ 414.183714] lowmem_reserve[]: [ 414.188119] __alloc_pages_slowpath+0x265e/0x2d70 [ 414.215014] 0 [ 414.219442] ? warn_alloc+0x120/0x120 [ 414.222492] 0 3503 [ 414.227337] ? trace_hardirqs_on+0x310/0x310 [ 414.229111] 3503 [ 414.232903] ? warn_alloc+0x120/0x120 [ 414.235146] Node 0 [ 414.239557] ? print_usage_bug+0xc0/0xc0 [ 414.241622] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 414.245392] ? warn_alloc+0x120/0x120 [ 414.247609] lowmem_reserve[]: [ 414.251663] ? ktime_get+0x2e1/0x440 [ 414.280005] 0 [ 414.283802] ? print_usage_bug+0xc0/0xc0 [ 414.286877] 0 0 [ 414.290592] ? __lock_acquire+0x7ec/0x4ec0 [ 414.292371] 0 [ 414.296425] ? __lock_acquire+0x7ec/0x4ec0 [ 414.302618] ? kasan_check_read+0x11/0x20 [ 414.304397] Node 0 [ 414.308629] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 414.312751] DMA: [ 414.314985] ? should_fail+0x22d/0xd01 [ 414.320562] 1*4kB [ 414.322622] ? rcu_bh_qs+0xc0/0xc0 [ 414.326485] (U) [ 414.328631] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.332146] 0*8kB [ 414.334125] ? __lock_acquire+0x7ec/0x4ec0 [ 414.339203] 0*16kB [ 414.341345] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 414.345553] 1*32kB [ 414.347780] ? __lock_acquire+0x7ec/0x4ec0 [ 414.352859] (U) [ 414.355086] ? should_fail+0x22d/0xd01 [ 414.359293] 2*64kB (U) [ 414.361275] ? rcu_idle_enter+0x4b0/0x4b0 [ 414.365137] 1*128kB [ 414.367725] ? mark_held_locks+0x130/0x130 [ 414.371841] (U) 1*256kB [ 414.374188] ? mark_held_locks+0x130/0x130 [ 414.378389] (U) 0*512kB [ 414.381105] ? mark_held_locks+0xc7/0x130 [ 414.385312] 1*1024kB [ 414.387991] ? smp_apic_timer_interrupt+0x1cb/0x760 [ 414.392121] (U) [ 414.394526] ? graph_lock+0x170/0x170 [ 414.399517] 1*2048kB [ 414.401485] ? print_usage_bug+0xc0/0xc0 [ 414.405259] (M) [ 414.407667] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.411719] 3*4096kB [ 414.413697] ? check_preemption_disabled+0x48/0x280 [ 414.419216] (M) = 15908kB [ 414.421629] ? check_preemption_disabled+0x48/0x280 [ 414.426624] Node 0 [ 414.429382] ? __lock_is_held+0xb5/0x140 [ 414.434361] DMA32: 5*4kB [ 414.436634] __alloc_pages_nodemask+0xa80/0xde0 [ 414.440669] (UM) [ 414.443424] ? graph_lock+0x170/0x170 [ 414.448073] 0*8kB [ 414.450143] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 414.453932] 3*16kB (UM) [ 414.456111] ? graph_lock+0x170/0x170 [ 414.461131] 2*32kB (M) [ 414.463819] ? find_held_lock+0x36/0x1c0 [ 414.467615] 5*64kB [ 414.470197] ? ____cache_alloc_node+0x1c7/0x1e0 [ 414.474224] (UM) [ 414.476455] ? lock_downgrade+0x900/0x900 [ 414.481101] 4*128kB [ 414.483170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.487281] (UM) 3*256kB [ 414.489608] cache_grow_begin+0x91/0x8c0 [ 414.495119] (M) [ 414.497887] ? do_raw_spin_unlock+0xa7/0x330 [ 414.501924] 4*512kB [ 414.503899] fallback_alloc+0x203/0x2e0 [ 414.508278] (UM) [ 414.510601] ____cache_alloc_node+0x1c7/0x1e0 [ 414.514547] 3*1024kB [ 414.516609] kmem_cache_alloc_node+0xe3/0x730 [ 414.521075] (UM) [ 414.523485] ? ipv6_get_ifaddr+0x42e/0x620 [ 414.527952] 3*2048kB [ 414.530041] __alloc_skb+0x119/0x770 [ 414.534237] (M) 3*4096kB [ 414.536650] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 414.540339] (M) [ 414.543093] ? skb_scrub_packet+0x490/0x490 [ 414.548347] = 25284kB [ 414.550315] ? lock_downgrade+0x900/0x900 [ 414.554611] Node 0 [ 414.557017] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.561127] Normal: 888*4kB [ 414.563371] ? refcount_sub_and_test_checked+0x203/0x310 [ 414.568879] (UMEH) [ 414.571892] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 414.577316] 387*8kB [ 414.579551] ? addrconf_rs_timer+0x690/0x690 [ 414.584978] (UME) [ 414.587317] ndisc_alloc_skb+0x144/0x340 [ 414.591694] 157*16kB [ 414.593839] ndisc_send_rs+0x331/0x6e0 [ 414.597873] (UME) [ 414.600282] addrconf_rs_timer+0x314/0x690 [ 414.604147] 53*32kB [ 414.606303] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.610510] (UMEH) [ 414.612836] call_timer_fn+0x272/0x920 [ 414.617036] 26*64kB [ 414.619275] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.623135] (UMH) [ 414.625518] ? process_timeout+0x40/0x40 [ 414.629727] 4*128kB [ 414.631868] ? find_held_lock+0x36/0x1c0 [ 414.635915] (UMH) 0*256kB [ 414.638252] ? __run_timers+0x7da/0xc70 [ 414.642283] 0*512kB [ 414.645120] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.649072] 1*1024kB [ 414.651386] ? _raw_spin_unlock_irq+0x27/0x80 [ 414.655855] (H) [ 414.658277] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.662740] 0*2048kB 0*4096kB [ 414.664734] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 414.668945] = 14056kB [ 414.672128] ? trace_hardirqs_on+0xbd/0x310 [ 414.676688] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 414.679088] ? kasan_check_read+0x11/0x20 [ 414.683388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 414.692248] ? __run_timers+0x7da/0xc70 [ 414.696405] 147 total pagecache pages [ 414.704974] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 414.708931] 0 pages in swap cache [ 414.712725] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.718160] Swap cache stats: add 0, delete 0, find 0/0 [ 414.721616] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 414.725827] Free swap = 0kB [ 414.731187] __run_timers+0x7e5/0xc70 [ 414.735400] Total swap = 0kB [ 414.738418] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 414.742191] 1965979 pages RAM [ 414.745205] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 414.750535] 0 pages HighMem/MovableOnly [ 414.750543] 342307 pages reserved [ 414.753641] ? graph_lock+0x170/0x170 [ 414.758631] 0 pages cma reserved [ 414.762606] ? enqueue_hrtimer+0x1a5/0x560 [ 414.766106] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 414.769825] ? lock_release+0x970/0x970 [ 414.769840] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 414.773309] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 414.777435] ? find_held_lock+0x36/0x1c0 [ 414.784396] ksoftirqd/0 cpuset= [ 414.788367] ? graph_lock+0x170/0x170 [ 414.793545] / [ 414.803850] ? pvclock_read_flags+0x160/0x160 [ 414.807888] mems_allowed=0 [ 414.811170] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.829574] ? check_preemption_disabled+0x48/0x280 [ 414.834625] ? __lock_is_held+0xb5/0x140 [ 414.838687] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.844229] ? check_preemption_disabled+0x48/0x280 [ 414.849253] run_timer_softirq+0x52/0xb0 [ 414.853321] ? rcu_read_lock_sched_held+0x108/0x120 [ 414.858369] __do_softirq+0x30c/0xb03 [ 414.862201] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 414.867311] ? pvclock_read_flags+0x160/0x160 [ 414.872370] ? lapic_next_event+0x5a/0x90 [ 414.876522] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.882060] ? check_preemption_disabled+0x48/0x280 [ 414.887071] ? check_preemption_disabled+0x48/0x280 [ 414.892089] ? kvm_clock_read+0x18/0x30 [ 414.896063] ? kvm_sched_clock_read+0x9/0x20 [ 414.900471] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.906010] ? check_preemption_disabled+0x48/0x280 [ 414.911037] irq_exit+0x17f/0x1c0 [ 414.914959] smp_apic_timer_interrupt+0x1cb/0x760 [ 414.919804] ? smp_reschedule_interrupt+0x109/0x650 [ 414.924827] ? smp_call_function_single_interrupt+0x650/0x650 [ 414.930713] ? interrupt_entry+0xb5/0xf0 [ 414.934787] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.939800] ? trace_hardirqs_off_caller+0xbb/0x310 [ 414.944832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.949672] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.954684] ? trace_hardirqs_on_caller+0x310/0x310 [ 414.960117] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.965656] ? check_preemption_disabled+0x48/0x280 [ 414.970682] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 414.976327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 414.981190] apic_timer_interrupt+0xf/0x20 [ 414.985418] [ 414.987673] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 414.992606] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 415.011520] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 415.019247] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 415.026527] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 415.033823] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 415.041091] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 415.048361] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 415.055671] skb_clone+0x1bb/0x500 [ 415.059214] ? finish_task_switch+0x1b4/0x910 [ 415.063709] ? skb_split+0x11e0/0x11e0 [ 415.067595] ? preempt_notifier_register+0x200/0x200 [ 415.072715] ? __switch_to_asm+0x34/0x70 [ 415.076774] ? __switch_to_asm+0x34/0x70 [ 415.080834] ? __switch_to_asm+0x40/0x70 [ 415.084975] ? __switch_to_asm+0x34/0x70 [ 415.089036] ? __switch_to_asm+0x40/0x70 [ 415.093091] ? __switch_to_asm+0x34/0x70 [ 415.097166] ? __switch_to_asm+0x40/0x70 [ 415.101238] ? __switch_to_asm+0x34/0x70 [ 415.105310] ? __switch_to_asm+0x34/0x70 [ 415.109370] ? __switch_to_asm+0x40/0x70 [ 415.113427] ? __switch_to_asm+0x34/0x70 [ 415.117496] bpf_clone_redirect+0xb9/0x490 [ 415.121918] ? __schedule+0x874/0x1ed0 [ 415.125829] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 415.130849] ? __sched_text_start+0x8/0x8 [ 415.135006] ? lockdep_hardirqs_on+0x421/0x5c0 [ 415.139590] ? retint_kernel+0x2d/0x2d [ 415.143492] ? trace_hardirqs_on_caller+0xc0/0x310 [ 415.148429] ? find_held_lock+0x36/0x1c0 [ 415.152497] ? lock_acquire+0x1ed/0x520 [ 415.156474] ? bpf_test_run+0x32e/0x5a0 [ 415.160457] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.166011] ? check_preemption_disabled+0x48/0x280 [ 415.171036] ? kasan_check_read+0x11/0x20 [ 415.175196] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.180473] ? rcu_bh_qs+0xc0/0xc0 [ 415.184019] ? preempt_schedule+0x4d/0x60 [ 415.188178] ? ___preempt_schedule+0x16/0x18 [ 415.192627] ? bpf_test_run+0x1c0/0x5a0 [ 415.196631] ? netlink_diag_dump+0x2a0/0x2a0 [ 415.201060] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.206598] ? bpf_test_init.isra.9+0x70/0x100 [ 415.211191] ? bpf_prog_test_run_skb+0x634/0xb40 [ 415.215958] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.220817] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 415.226365] ? fput+0x130/0x1a0 [ 415.229680] ? __bpf_prog_get+0x9b/0x290 [ 415.233787] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 415.238628] ? bpf_prog_test_run+0x130/0x1a0 [ 415.243052] ? __x64_sys_bpf+0x3d8/0x510 [ 415.247111] ? bpf_prog_get+0x20/0x20 [ 415.250966] ? do_syscall_64+0x1b9/0x820 [ 415.255030] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 415.260395] ? syscall_return_slowpath+0x5e0/0x5e0 [ 415.265329] ? trace_hardirqs_on_caller+0x310/0x310 [ 415.270348] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 415.275368] ? recalc_sigpending_tsk+0x180/0x180 [ 415.280127] ? kasan_check_write+0x14/0x20 [ 415.284375] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 415.289227] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 415.294613] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 415.294687] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 415.301370] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.301376] Call Trace: [ 415.301397] dump_stack+0x1c4/0x2b6 [ 415.301420] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.308499] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 415.317273] warn_alloc.cold.119+0xb7/0x1bd [ 415.319969] syz-executor1 cpuset= [ 415.323591] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.323609] ? lock_downgrade+0x900/0x900 [ 415.328969] syz1 [ 415.339376] ? trace_hardirqs_off+0xb8/0x310 [ 415.339397] ? trace_hardirqs_off+0xb8/0x310 [ 415.339424] __alloc_pages_slowpath+0x265e/0x2d70 [ 415.339477] ? warn_alloc+0x120/0x120 [ 415.343915] mems_allowed=0 [ 415.347389] ? warn_alloc+0x120/0x120 [ 415.382402] ? print_usage_bug+0xc0/0xc0 [ 415.386476] ? warn_alloc+0x120/0x120 [ 415.390278] ? print_usage_bug+0xc0/0xc0 [ 415.394358] ? __lock_acquire+0x7ec/0x4ec0 [ 415.398608] ? __lock_acquire+0x7ec/0x4ec0 [ 415.402859] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.408433] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.413974] ? should_fail+0x22d/0xd01 [ 415.417865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.422969] ? __lock_acquire+0x7ec/0x4ec0 [ 415.427210] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 415.432310] ? __lock_acquire+0x7ec/0x4ec0 [ 415.436555] ? should_fail+0x22d/0xd01 [ 415.440461] ? mark_held_locks+0x130/0x130 [ 415.444701] ? mark_held_locks+0x130/0x130 [ 415.448940] ? mark_held_locks+0xc7/0x130 [ 415.453086] ? print_usage_bug+0xc0/0xc0 [ 415.457148] ? graph_lock+0x170/0x170 [ 415.460958] ? print_usage_bug+0xc0/0xc0 [ 415.465023] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.470569] ? check_preemption_disabled+0x48/0x280 [ 415.475584] ? check_preemption_disabled+0x48/0x280 [ 415.480611] ? __lock_is_held+0xb5/0x140 [ 415.484698] __alloc_pages_nodemask+0xa80/0xde0 [ 415.489373] ? graph_lock+0x170/0x170 [ 415.493184] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 415.498199] ? graph_lock+0x170/0x170 [ 415.502015] ? find_held_lock+0x36/0x1c0 [ 415.506086] ? ____cache_alloc_node+0x1c7/0x1e0 [ 415.510766] ? lock_downgrade+0x900/0x900 [ 415.514923] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.520466] cache_grow_begin+0x91/0x8c0 [ 415.524527] ? do_raw_spin_unlock+0xa7/0x330 [ 415.528947] fallback_alloc+0x203/0x2e0 [ 415.532947] ____cache_alloc_node+0x1c7/0x1e0 [ 415.537457] kmem_cache_alloc_node+0xe3/0x730 [ 415.541960] ? ipv6_get_ifaddr+0x42e/0x620 [ 415.546207] __alloc_skb+0x119/0x770 [ 415.549921] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.555230] ? skb_scrub_packet+0x490/0x490 [ 415.559564] ? lock_downgrade+0x900/0x900 [ 415.563719] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.569262] ? refcount_sub_and_test_checked+0x203/0x310 [ 415.574716] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 415.580174] ? addrconf_rs_timer+0x690/0x690 [ 415.584597] ndisc_alloc_skb+0x144/0x340 [ 415.588666] ndisc_send_rs+0x331/0x6e0 [ 415.592609] addrconf_rs_timer+0x314/0x690 [ 415.596852] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.601100] call_timer_fn+0x272/0x920 [ 415.604996] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.609235] ? process_timeout+0x40/0x40 [ 415.613299] ? find_held_lock+0x36/0x1c0 [ 415.617371] ? __run_timers+0x7da/0xc70 [ 415.621352] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.625885] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.630412] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.634651] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 415.639235] ? trace_hardirqs_on+0xbd/0x310 [ 415.643557] ? kasan_check_read+0x11/0x20 [ 415.647705] ? __run_timers+0x7da/0xc70 [ 415.651680] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.657140] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.661392] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 415.665633] __run_timers+0x7e5/0xc70 [ 415.669458] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 415.674825] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.679326] ? _raw_spin_unlock_irq+0x27/0x80 [ 415.683825] ? lockdep_hardirqs_on+0x421/0x5c0 [ 415.688418] ? trace_hardirqs_on+0xbd/0x310 [ 415.692749] ? kasan_check_read+0x11/0x20 [ 415.696913] ? finish_task_switch+0x1f4/0x910 [ 415.701471] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 415.706934] ? compat_start_thread+0x80/0x80 [ 415.711349] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.716903] ? pvclock_read_flags+0x160/0x160 [ 415.721400] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.726956] ? check_preemption_disabled+0x48/0x280 [ 415.731982] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 415.737279] ? rcu_pm_notify+0xc0/0xc0 [ 415.741178] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 415.746716] ? check_preemption_disabled+0x48/0x280 [ 415.751741] run_timer_softirq+0x52/0xb0 [ 415.755815] ? rcu_read_lock_sched_held+0x108/0x120 [ 415.760848] __do_softirq+0x30c/0xb03 [ 415.764661] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 415.769762] ? trace_hardirqs_off+0xb8/0x310 [ 415.774186] ? schedule+0x108/0x460 [ 415.777861] ? trace_hardirqs_off+0xb8/0x310 [ 415.782274] ? smpboot_thread_fn+0x68b/0xa00 [ 415.786683] ? trace_hardirqs_on+0x310/0x310 [ 415.791126] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.796712] ? check_preemption_disabled+0x48/0x280 [ 415.801732] ? takeover_tasklets+0xa90/0xa90 [ 415.806169] run_ksoftirqd+0x94/0x100 [ 415.809970] smpboot_thread_fn+0x68b/0xa00 [ 415.814212] ? sort_range+0x30/0x30 [ 415.817840] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 415.822942] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 415.828482] ? __kthread_parkme+0xfb/0x1a0 [ 415.832731] kthread+0x35a/0x420 [ 415.836095] ? sort_range+0x30/0x30 [ 415.839719] ? kthread_bind+0x40/0x40 [ 415.843528] ret_from_fork+0x3a/0x50 [ 415.847267] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 415.847272] warn_alloc_show_mem: 1 callbacks suppressed [ 415.847279] Mem-Info: [ 415.854570] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 415.859977] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 415.859977] active_file:15 inactive_file:13 isolated_file:0 [ 415.859977] unevictable:0 dirty:0 writeback:0 unstable:0 [ 415.859977] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 415.859977] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 415.859977] free:13788 free_pcp:609 free_cma:0 [ 415.862356] Call Trace: [ 415.871762] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 415.904621] [ 415.907215] Node 0 [ 415.935183] dump_stack+0x1c4/0x2b6 [ 415.937346] 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 [ 415.939555] ? dump_stack_print_info.cold.1+0x20/0x20 [ 415.943150] lowmem_reserve[]: 0 [ 415.968689] warn_alloc.cold.119+0xb7/0x1bd [ 415.973878] 2819 [ 415.977163] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 415.981455] 6323 6323 [ 415.983521] ? lock_downgrade+0x900/0x900 [ 415.990833] ? trace_hardirqs_off+0xb8/0x310 [ 415.994953] Node 0 DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 415.999384] ? trace_hardirqs_off+0xb8/0x310 [ 415.999407] __alloc_pages_slowpath+0x265e/0x2d70 [ 416.026903] lowmem_reserve[]: [ 416.031337] ? warn_alloc+0x120/0x120 [ 416.036122] 0 0 [ 416.039235] ? mark_held_locks+0x130/0x130 [ 416.043008] 3503 3503 [ 416.044983] ? warn_alloc+0x120/0x120 [ 416.051705] ? print_usage_bug+0xc0/0xc0 [ 416.055485] Node 0 Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 416.059625] ? warn_alloc+0x120/0x120 [ 416.059640] ? print_usage_bug+0xc0/0xc0 [ 416.088589] lowmem_reserve[]: 0 [ 416.092403] ? try_to_wake_up+0x10a/0x12f0 [ 416.096437] 0 0 [ 416.099748] ? kasan_check_read+0x11/0x20 [ 416.103963] 0 [ 416.105946] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 416.110066] Node 0 [ 416.111918] ? should_fail+0x22d/0xd01 [ 416.117431] DMA: [ 416.119659] ? trace_hardirqs_off+0xb8/0x310 [ 416.123530] 1*4kB [ 416.125584] ? kasan_check_read+0x11/0x20 [ 416.129970] (U) [ 416.132116] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.136239] 0*8kB [ 416.138213] ? __lock_acquire+0x7ec/0x4ec0 [ 416.143292] 0*16kB [ 416.145450] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 416.149705] 1*32kB (U) [ 416.151947] ? __lock_acquire+0x7ec/0x4ec0 [ 416.157024] 2*64kB (U) [ 416.159612] ? should_fail+0x22d/0xd01 [ 416.163821] 1*128kB [ 416.166404] ? mark_held_locks+0x130/0x130 [ 416.170259] (U) [ 416.172578] ? mark_held_locks+0x130/0x130 [ 416.176783] 1*256kB (U) [ 416.178762] ? find_held_lock+0x36/0x1c0 [ 416.182972] 0*512kB [ 416.185639] ? graph_lock+0x170/0x170 [ 416.189677] 1*1024kB [ 416.191997] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.195769] (U) [ 416.198186] ? check_preemption_disabled+0x48/0x280 [ 416.203693] 1*2048kB (M) [ 416.205672] ? check_preemption_disabled+0x48/0x280 [ 416.205696] ? __lock_is_held+0xb5/0x140 [ 416.210675] 3*4096kB (M) [ 416.214119] __alloc_pages_nodemask+0xa80/0xde0 [ 416.219111] = 15908kB [ 416.223169] ? graph_lock+0x170/0x170 [ 416.225907] Node 0 [ 416.230602] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 416.233003] DMA32: 5*4kB [ 416.236816] ? graph_lock+0x170/0x170 [ 416.239030] (UM) [ 416.244049] ? find_held_lock+0x36/0x1c0 [ 416.246775] 0*8kB [ 416.250586] ? ____cache_alloc_node+0x1c7/0x1e0 [ 416.252642] 3*16kB (UM) [ 416.256706] ? lock_downgrade+0x900/0x900 [ 416.258832] 2*32kB [ 416.263497] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.266142] (M) [ 416.270304] cache_grow_begin+0x91/0x8c0 [ 416.272525] 5*64kB [ 416.278112] ? do_raw_spin_unlock+0xa7/0x330 [ 416.280065] (UM) [ 416.284122] fallback_alloc+0x203/0x2e0 [ 416.286329] 4*128kB (UM) [ 416.290743] ____cache_alloc_node+0x1c7/0x1e0 [ 416.292781] 3*256kB [ 416.296749] kmem_cache_alloc_node+0xe3/0x730 [ 416.299480] (M) [ 416.303970] ? mark_held_locks+0xc7/0x130 [ 416.306269] 4*512kB [ 416.310764] __alloc_skb+0x119/0x770 [ 416.312703] (UM) 3*1024kB [ 416.316852] ? skb_scrub_packet+0x490/0x490 [ 416.319150] (UM) [ 416.322865] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 416.325688] 3*2048kB [ 416.330003] ? queue_work_on+0x12c/0x1e0 [ 416.332038] (M) [ 416.336620] ? switchdev_port_obj_del+0xdc/0x450 [ 416.339005] 3*4096kB (M) [ 416.343095] ? switchdev_trans_item_enqueue+0x260/0x260 [ 416.345067] = 25284kB [ 416.349819] ? mod_timer+0x647/0x1440 [ 416.352555] Node 0 [ 416.357932] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 416.360325] Normal: [ 416.364265] __br_mdb_notify+0x4ff/0x15d0 [ 416.366343] 888*4kB [ 416.371361] ? __br_mdb_add+0x800/0x800 [ 416.373659] (UMEH) [ 416.377801] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.380120] 387*8kB [ 416.384094] ? graph_lock+0x170/0x170 [ 416.386301] (UME) [ 416.391747] ? br_multicast_group_expired+0x96/0x610 [ 416.394048] 157*16kB [ 416.397868] br_mdb_notify+0x310/0x410 [ 416.400035] (UME) [ 416.405142] ? br_mdb_dump+0x2530/0x2530 [ 416.407538] 53*32kB [ 416.411419] ? kasan_check_write+0x14/0x20 [ 416.413570] (UMEH) [ 416.417630] ? do_raw_spin_lock+0xc1/0x230 [ 416.419925] 26*64kB (UMH) 4*128kB [ 416.424186] br_multicast_group_expired+0x1bc/0x610 [ 416.426395] (UMH) [ 416.430621] ? br_mdb_free+0x80/0x80 [ 416.434140] 0*256kB [ 416.439186] call_timer_fn+0x272/0x920 [ 416.441298] 0*512kB 1*1024kB [ 416.445009] ? br_mdb_free+0x80/0x80 [ 416.447312] (H) [ 416.451195] ? process_timeout+0x40/0x40 [ 416.454278] 0*2048kB 0*4096kB [ 416.457988] ? find_held_lock+0x36/0x1c0 [ 416.459956] = 14056kB [ 416.464025] ? __run_timers+0x7da/0xc70 [ 416.467198] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 416.471244] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.473640] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 416.477602] ? _raw_spin_unlock_irq+0x27/0x80 [ 416.486415] 147 total pagecache pages [ 416.490900] ? br_mdb_free+0x80/0x80 [ 416.499486] 0 pages in swap cache [ 416.503984] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 416.507761] Swap cache stats: add 0, delete 0, find 0/0 [ 416.511469] ? trace_hardirqs_on+0xbd/0x310 [ 416.514933] Free swap = 0kB [ 416.519513] ? kasan_check_read+0x11/0x20 [ 416.524854] Total swap = 0kB [ 416.529180] ? __run_timers+0x7da/0xc70 [ 416.532183] 1965979 pages RAM [ 416.536323] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 416.539316] 0 pages HighMem/MovableOnly [ 416.543288] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 416.546368] 342307 pages reserved [ 416.551811] ? br_mdb_free+0x80/0x80 [ 416.555762] 0 pages cma reserved [ 416.559991] __run_timers+0x7e5/0xc70 [ 416.563540] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 416.567134] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 416.570530] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 416.574268] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 416.580736] ksoftirqd/0 cpuset= [ 416.586090] ? graph_lock+0x170/0x170 [ 416.596380] / [ 416.601397] ? enqueue_hrtimer+0x1a5/0x560 [ 416.604653] mems_allowed=0 [ 416.608438] ? lock_release+0x970/0x970 [ 416.608453] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 416.626437] ? find_held_lock+0x36/0x1c0 [ 416.630506] ? graph_lock+0x170/0x170 [ 416.634307] ? pvclock_read_flags+0x160/0x160 [ 416.638806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.644345] ? check_preemption_disabled+0x48/0x280 [ 416.649374] ? __lock_is_held+0xb5/0x140 [ 416.653438] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.658979] ? check_preemption_disabled+0x48/0x280 [ 416.664004] run_timer_softirq+0x52/0xb0 [ 416.668065] ? rcu_read_lock_sched_held+0x108/0x120 [ 416.673082] __do_softirq+0x30c/0xb03 [ 416.676899] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 416.682011] ? pvclock_read_flags+0x160/0x160 [ 416.686508] ? lapic_next_event+0x5a/0x90 [ 416.690656] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.696196] ? check_preemption_disabled+0x48/0x280 [ 416.701244] ? check_preemption_disabled+0x48/0x280 [ 416.706266] ? kvm_clock_read+0x18/0x30 [ 416.710246] ? kvm_sched_clock_read+0x9/0x20 [ 416.714660] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.720201] ? check_preemption_disabled+0x48/0x280 [ 416.725230] irq_exit+0x17f/0x1c0 [ 416.728688] smp_apic_timer_interrupt+0x1cb/0x760 [ 416.733530] ? smp_reschedule_interrupt+0x109/0x650 [ 416.738593] ? smp_call_function_single_interrupt+0x650/0x650 [ 416.744499] ? interrupt_entry+0xb5/0xf0 [ 416.748583] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.753604] ? trace_hardirqs_off_caller+0xbb/0x310 [ 416.758622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.763470] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.768498] ? trace_hardirqs_on_caller+0x310/0x310 [ 416.773528] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.779067] ? check_preemption_disabled+0x48/0x280 [ 416.784266] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.789817] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 416.794669] apic_timer_interrupt+0xf/0x20 [ 416.798898] [ 416.801144] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 416.806086] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 416.824989] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 416.832697] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 416.839966] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 416.847235] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 416.854500] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 416.861769] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 416.869081] skb_clone+0x1bb/0x500 [ 416.872628] ? finish_task_switch+0x1b4/0x910 [ 416.877123] ? skb_split+0x11e0/0x11e0 [ 416.881068] ? preempt_notifier_register+0x200/0x200 [ 416.886180] ? __switch_to_asm+0x34/0x70 [ 416.890242] ? __switch_to_asm+0x34/0x70 [ 416.894323] ? __switch_to_asm+0x40/0x70 [ 416.898383] ? __switch_to_asm+0x34/0x70 [ 416.902445] ? __switch_to_asm+0x40/0x70 [ 416.906502] ? __switch_to_asm+0x34/0x70 [ 416.910570] ? __switch_to_asm+0x40/0x70 [ 416.915146] ? __switch_to_asm+0x34/0x70 [ 416.919217] ? __switch_to_asm+0x34/0x70 [ 416.923277] ? __switch_to_asm+0x40/0x70 [ 416.927340] ? __switch_to_asm+0x34/0x70 [ 416.931415] bpf_clone_redirect+0xb9/0x490 [ 416.935653] ? __schedule+0x874/0x1ed0 [ 416.939551] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 416.944576] ? __sched_text_start+0x8/0x8 [ 416.948732] ? lockdep_hardirqs_on+0x421/0x5c0 [ 416.953315] ? retint_kernel+0x2d/0x2d [ 416.957201] ? trace_hardirqs_on_caller+0xc0/0x310 [ 416.962137] ? find_held_lock+0x36/0x1c0 [ 416.966218] ? lock_acquire+0x1ed/0x520 [ 416.970211] ? bpf_test_run+0x32e/0x5a0 [ 416.974190] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 416.979734] ? check_preemption_disabled+0x48/0x280 [ 416.984792] ? kasan_check_read+0x11/0x20 [ 416.988948] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 416.994228] ? rcu_bh_qs+0xc0/0xc0 [ 416.997771] ? preempt_schedule+0x4d/0x60 [ 417.001937] ? ___preempt_schedule+0x16/0x18 [ 417.006352] ? bpf_test_run+0x1c0/0x5a0 [ 417.010344] ? netlink_diag_dump+0x2a0/0x2a0 [ 417.014770] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.020318] ? bpf_test_init.isra.9+0x70/0x100 [ 417.024908] ? bpf_prog_test_run_skb+0x634/0xb40 [ 417.029679] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 417.034533] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 417.040085] ? fput+0x130/0x1a0 [ 417.043363] ? __bpf_prog_get+0x9b/0x290 [ 417.047427] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 417.052272] ? bpf_prog_test_run+0x130/0x1a0 [ 417.056723] ? __x64_sys_bpf+0x3d8/0x510 [ 417.060786] ? bpf_prog_get+0x20/0x20 [ 417.064618] ? do_syscall_64+0x1b9/0x820 [ 417.068799] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 417.074177] ? syscall_return_slowpath+0x5e0/0x5e0 [ 417.079132] ? trace_hardirqs_on_caller+0x310/0x310 [ 417.084166] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 417.089195] ? recalc_sigpending_tsk+0x180/0x180 [ 417.093961] ? kasan_check_write+0x14/0x20 [ 417.098219] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 417.103073] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 417.108457] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 417.109079] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.115221] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.125689] syz-executor1 cpuset= [ 417.135043] Call Trace: [ 417.135052] syz1 [ 417.138532] dump_stack+0x1c4/0x2b6 [ 417.141095] mems_allowed=0 [ 417.143069] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.154784] warn_alloc.cold.119+0xb7/0x1bd [ 417.159122] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.163974] ? lock_downgrade+0x900/0x900 [ 417.168148] ? trace_hardirqs_off+0xb8/0x310 [ 417.172575] ? trace_hardirqs_off+0xb8/0x310 [ 417.176996] __alloc_pages_slowpath+0x265e/0x2d70 [ 417.181935] ? warn_alloc+0x120/0x120 [ 417.185750] ? warn_alloc+0x120/0x120 [ 417.189552] ? print_usage_bug+0xc0/0xc0 [ 417.193613] ? warn_alloc+0x120/0x120 [ 417.197416] ? print_usage_bug+0xc0/0xc0 [ 417.201488] ? __lock_acquire+0x7ec/0x4ec0 [ 417.205744] ? __lock_acquire+0x7ec/0x4ec0 [ 417.209983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.215520] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.221057] ? should_fail+0x22d/0xd01 [ 417.224951] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.230056] ? __lock_acquire+0x7ec/0x4ec0 [ 417.234294] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.239431] ? __lock_acquire+0x7ec/0x4ec0 [ 417.243670] ? should_fail+0x22d/0xd01 [ 417.247564] ? mark_held_locks+0x130/0x130 [ 417.251825] ? mark_held_locks+0x130/0x130 [ 417.256062] ? graph_lock+0x170/0x170 [ 417.259894] ? print_usage_bug+0xc0/0xc0 [ 417.263973] ? graph_lock+0x170/0x170 [ 417.267774] ? print_usage_bug+0xc0/0xc0 [ 417.271852] ? wq_watchdog_touch+0x9c/0xfe [ 417.276100] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.281642] ? check_preemption_disabled+0x48/0x280 [ 417.286660] ? check_preemption_disabled+0x48/0x280 [ 417.291689] ? __lock_is_held+0xb5/0x140 [ 417.295778] __alloc_pages_nodemask+0xa80/0xde0 [ 417.300455] ? graph_lock+0x170/0x170 [ 417.304256] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 417.309270] ? graph_lock+0x170/0x170 [ 417.313092] ? find_held_lock+0x36/0x1c0 [ 417.317195] ? ____cache_alloc_node+0x1c7/0x1e0 [ 417.321867] ? lock_downgrade+0x900/0x900 [ 417.326026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.331572] cache_grow_begin+0x91/0x8c0 [ 417.335641] ? do_raw_spin_unlock+0xa7/0x330 [ 417.340090] fallback_alloc+0x203/0x2e0 [ 417.344073] ____cache_alloc_node+0x1c7/0x1e0 [ 417.348575] kmem_cache_alloc_node+0xe3/0x730 [ 417.353073] ? ipv6_get_ifaddr+0x42e/0x620 [ 417.357321] __alloc_skb+0x119/0x770 [ 417.361054] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.366349] ? skb_scrub_packet+0x490/0x490 [ 417.370679] ? lock_downgrade+0x900/0x900 [ 417.374836] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.380373] ? refcount_sub_and_test_checked+0x203/0x310 [ 417.385827] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 417.391284] ? addrconf_rs_timer+0x690/0x690 [ 417.395705] ndisc_alloc_skb+0x144/0x340 [ 417.399773] ndisc_send_rs+0x331/0x6e0 [ 417.403670] addrconf_rs_timer+0x314/0x690 [ 417.407912] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.412168] call_timer_fn+0x272/0x920 [ 417.416097] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.420351] ? process_timeout+0x40/0x40 [ 417.424412] ? find_held_lock+0x36/0x1c0 [ 417.428504] ? __run_timers+0x7da/0xc70 [ 417.432482] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.436978] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.441475] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.445711] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 417.450311] ? trace_hardirqs_on+0xbd/0x310 [ 417.454760] ? kasan_check_read+0x11/0x20 [ 417.458915] ? __run_timers+0x7da/0xc70 [ 417.462894] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.468352] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.472593] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 417.476828] __run_timers+0x7e5/0xc70 [ 417.480643] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 417.486028] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.490525] ? _raw_spin_unlock_irq+0x27/0x80 [ 417.495024] ? lockdep_hardirqs_on+0x421/0x5c0 [ 417.499608] ? trace_hardirqs_on+0xbd/0x310 [ 417.503929] ? kasan_check_read+0x11/0x20 [ 417.508078] ? finish_task_switch+0x1f4/0x910 [ 417.512589] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 417.518070] ? compat_start_thread+0x80/0x80 [ 417.522482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.528033] ? pvclock_read_flags+0x160/0x160 [ 417.532532] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.538073] ? check_preemption_disabled+0x48/0x280 [ 417.543103] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 417.548387] ? rcu_pm_notify+0xc0/0xc0 [ 417.552279] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 417.557826] ? check_preemption_disabled+0x48/0x280 [ 417.562851] run_timer_softirq+0x52/0xb0 [ 417.566912] ? rcu_read_lock_sched_held+0x108/0x120 [ 417.571931] __do_softirq+0x30c/0xb03 [ 417.575749] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 417.580853] ? trace_hardirqs_off+0xb8/0x310 [ 417.585375] ? schedule+0x108/0x460 [ 417.589061] ? trace_hardirqs_off+0xb8/0x310 [ 417.593490] ? smpboot_thread_fn+0x68b/0xa00 [ 417.597908] ? trace_hardirqs_on+0x310/0x310 [ 417.602324] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.607863] ? check_preemption_disabled+0x48/0x280 [ 417.612894] ? takeover_tasklets+0xa90/0xa90 [ 417.617311] run_ksoftirqd+0x94/0x100 [ 417.621110] smpboot_thread_fn+0x68b/0xa00 [ 417.625349] ? sort_range+0x30/0x30 [ 417.628975] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 417.634106] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.639655] ? __kthread_parkme+0xfb/0x1a0 [ 417.643897] kthread+0x35a/0x420 [ 417.647265] ? sort_range+0x30/0x30 [ 417.650890] ? kthread_bind+0x40/0x40 [ 417.654695] ret_from_fork+0x3a/0x50 [ 417.658436] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 417.658441] warn_alloc_show_mem: 1 callbacks suppressed [ 417.658447] Mem-Info: [ 417.665735] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 417.671101] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 417.671101] active_file:15 inactive_file:13 isolated_file:0 [ 417.671101] unevictable:0 dirty:0 writeback:0 unstable:0 [ 417.671101] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 417.671101] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 417.671101] free:13788 free_pcp:609 free_cma:0 [ 417.673473] Call Trace: [ 417.682861] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 417.715708] [ 417.718284] Node 0 [ 417.745814] dump_stack+0x1c4/0x2b6 [ 417.747957] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 417.747965] lowmem_reserve[]: [ 417.750213] ? dump_stack_print_info.cold.1+0x20/0x20 [ 417.753814] 0 [ 417.779319] warn_alloc.cold.119+0xb7/0x1bd [ 417.782636] 2819 [ 417.787817] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 417.789596] 6323 6323 [ 417.793940] ? lock_downgrade+0x900/0x900 [ 417.800851] ? trace_hardirqs_off+0xb8/0x310 [ 417.803317] Node 0 [ 417.807473] ? trace_hardirqs_off+0xb8/0x310 [ 417.811876] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 417.814087] __alloc_pages_slowpath+0x265e/0x2d70 [ 417.818468] lowmem_reserve[]: [ 417.845393] ? warn_alloc+0x120/0x120 [ 417.850188] 0 [ 417.853284] ? mark_held_locks+0x130/0x130 [ 417.857060] 0 [ 417.858858] ? warn_alloc+0x120/0x120 [ 417.863065] 3503 3503 [ 417.864867] ? print_usage_bug+0xc0/0xc0 [ 417.868644] Node 0 [ 417.871133] ? warn_alloc+0x120/0x120 [ 417.875203] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 417.877407] ? print_usage_bug+0xc0/0xc0 [ 417.881185] lowmem_reserve[]: [ 417.909574] ? check_usage+0x1a9/0x790 [ 417.913609] 0 0 0 0 [ 417.913621] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 417.913679] Node 0 DMA32: 5*4kB (UM) 0*8kB 3*16kB (UM) 2*32kB (M) 5*64kB (UM) 4*128kB (UM) 3*256kB (M) 4*512kB (UM) 3*1024kB (UM) 3*2048kB (M) 3*4096kB (M) = 25284kB [ 417.913739] Node 0 Normal: 888*4kB (UMEH) 387*8kB (UME) 157*16kB (UME) 53*32kB (UMEH) 26*64kB (UMH) 4*128kB (UMH) 0*256kB 0*512kB 1*1024kB (H) 0*2048kB 0*4096kB = 14056kB [ 417.913798] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 417.913804] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 417.913807] 147 total pagecache pages [ 417.913817] 0 pages in swap cache [ 417.913822] Swap cache stats: add 0, delete 0, find 0/0 [ 417.913825] Free swap = 0kB [ 417.913827] Total swap = 0kB [ 417.913831] 1965979 pages RAM [ 417.913833] 0 pages HighMem/MovableOnly [ 417.913836] 342307 pages reserved [ 417.913839] 0 pages cma reserved [ 417.913898] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 417.913975] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 417.917059] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 417.920922] ksoftirqd/0 cpuset= [ 417.923244] ? should_fail+0x22d/0xd01 [ 417.936745] / [ 417.951651] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 417.966979] mems_allowed=0 [ 417.975809] ? __lock_acquire+0x7ec/0x4ec0 [ 418.060228] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.065331] ? __lock_acquire+0x7ec/0x4ec0 [ 418.069564] ? should_fail+0x22d/0xd01 [ 418.073465] ? mark_held_locks+0x130/0x130 [ 418.077765] ? mark_held_locks+0x130/0x130 [ 418.082006] ? find_held_lock+0x36/0x1c0 [ 418.086068] ? graph_lock+0x170/0x170 [ 418.089877] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.095421] ? check_preemption_disabled+0x48/0x280 [ 418.100439] ? check_preemption_disabled+0x48/0x280 [ 418.105468] ? __lock_is_held+0xb5/0x140 [ 418.109539] __alloc_pages_nodemask+0xa80/0xde0 [ 418.114210] ? graph_lock+0x170/0x170 [ 418.118014] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 418.123030] ? graph_lock+0x170/0x170 [ 418.126842] ? find_held_lock+0x36/0x1c0 [ 418.130913] ? ____cache_alloc_node+0x1c7/0x1e0 [ 418.135586] ? lock_downgrade+0x900/0x900 [ 418.139758] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.145317] cache_grow_begin+0x91/0x8c0 [ 418.149381] ? do_raw_spin_unlock+0xa7/0x330 [ 418.153797] fallback_alloc+0x203/0x2e0 [ 418.157827] ____cache_alloc_node+0x1c7/0x1e0 [ 418.162344] kmem_cache_alloc_node+0xe3/0x730 [ 418.166840] ? mark_held_locks+0xc7/0x130 [ 418.171014] __alloc_skb+0x119/0x770 [ 418.174734] ? skb_scrub_packet+0x490/0x490 [ 418.179056] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 418.183662] ? queue_work_on+0x12c/0x1e0 [ 418.187733] ? switchdev_port_obj_del+0xdc/0x450 [ 418.192489] ? switchdev_trans_item_enqueue+0x260/0x260 [ 418.197882] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 418.202906] __br_mdb_notify+0x4ff/0x15d0 [ 418.207128] ? __br_mdb_add+0x800/0x800 [ 418.211111] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.216663] ? graph_lock+0x170/0x170 [ 418.220473] ? br_multicast_group_expired+0x96/0x610 [ 418.225580] ? lock_downgrade+0x900/0x900 [ 418.229734] br_mdb_notify+0x310/0x410 [ 418.233636] ? br_mdb_dump+0x2530/0x2530 [ 418.237717] ? kasan_check_write+0x14/0x20 [ 418.241985] ? do_raw_spin_lock+0xc1/0x230 [ 418.246228] br_multicast_group_expired+0x1bc/0x610 [ 418.251246] ? br_mdb_free+0x80/0x80 [ 418.254999] call_timer_fn+0x272/0x920 [ 418.258883] ? br_mdb_free+0x80/0x80 [ 418.262605] ? process_timeout+0x40/0x40 [ 418.266667] ? find_held_lock+0x36/0x1c0 [ 418.270738] ? __run_timers+0x7da/0xc70 [ 418.274717] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.279213] ? _raw_spin_unlock_irq+0x27/0x80 [ 418.283725] ? br_mdb_free+0x80/0x80 [ 418.287449] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 418.292036] ? trace_hardirqs_on+0xbd/0x310 [ 418.296362] ? kasan_check_read+0x11/0x20 [ 418.300538] ? __run_timers+0x7da/0xc70 [ 418.304513] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 418.309999] ? br_mdb_free+0x80/0x80 [ 418.313734] ? br_mdb_free+0x80/0x80 [ 418.317448] __run_timers+0x7e5/0xc70 [ 418.321263] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 418.326636] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 418.331656] ? graph_lock+0x170/0x170 [ 418.335460] ? enqueue_hrtimer+0x1a5/0x560 [ 418.339691] ? lock_release+0x970/0x970 [ 418.343670] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 418.348871] ? find_held_lock+0x36/0x1c0 [ 418.352972] ? graph_lock+0x170/0x170 [ 418.356779] ? pvclock_read_flags+0x160/0x160 [ 418.361275] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.366830] ? check_preemption_disabled+0x48/0x280 [ 418.371867] ? __lock_is_held+0xb5/0x140 [ 418.375948] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.381506] ? check_preemption_disabled+0x48/0x280 [ 418.386532] run_timer_softirq+0x52/0xb0 [ 418.390597] ? rcu_read_lock_sched_held+0x108/0x120 [ 418.395619] __do_softirq+0x30c/0xb03 [ 418.399436] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 418.404562] ? pvclock_read_flags+0x160/0x160 [ 418.409058] ? lapic_next_event+0x5a/0x90 [ 418.413209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.418753] ? check_preemption_disabled+0x48/0x280 [ 418.423771] ? check_preemption_disabled+0x48/0x280 [ 418.428789] ? kvm_clock_read+0x18/0x30 [ 418.432765] ? kvm_sched_clock_read+0x9/0x20 [ 418.437185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.442730] ? check_preemption_disabled+0x48/0x280 [ 418.447760] irq_exit+0x17f/0x1c0 [ 418.451218] smp_apic_timer_interrupt+0x1cb/0x760 [ 418.456075] ? smp_reschedule_interrupt+0x109/0x650 [ 418.461090] ? smp_call_function_single_interrupt+0x650/0x650 [ 418.466977] ? interrupt_entry+0xb5/0xf0 [ 418.471039] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.476067] ? trace_hardirqs_off_caller+0xbb/0x310 [ 418.481088] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.485940] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.490960] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.495990] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.501536] ? check_preemption_disabled+0x48/0x280 [ 418.506550] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.512098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.516958] apic_timer_interrupt+0xf/0x20 [ 418.521185] [ 418.523442] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 418.528373] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 418.547993] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 418.555737] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 418.563008] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 418.570312] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 418.577584] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 418.584852] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 418.592215] skb_clone+0x1bb/0x500 [ 418.595802] ? finish_task_switch+0x1b4/0x910 [ 418.600303] ? skb_split+0x11e0/0x11e0 [ 418.604194] ? preempt_notifier_register+0x200/0x200 [ 418.609296] ? __switch_to_asm+0x34/0x70 [ 418.613364] ? __switch_to_asm+0x34/0x70 [ 418.617436] ? __switch_to_asm+0x40/0x70 [ 418.621514] ? __switch_to_asm+0x34/0x70 [ 418.625571] ? __switch_to_asm+0x40/0x70 [ 418.629648] ? __switch_to_asm+0x34/0x70 [ 418.633723] ? __switch_to_asm+0x40/0x70 [ 418.637796] ? __switch_to_asm+0x34/0x70 [ 418.641857] ? __switch_to_asm+0x34/0x70 [ 418.645937] ? __switch_to_asm+0x40/0x70 [ 418.649999] ? __switch_to_asm+0x34/0x70 [ 418.654129] bpf_clone_redirect+0xb9/0x490 [ 418.658378] ? __schedule+0x874/0x1ed0 [ 418.662274] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 418.667297] ? __sched_text_start+0x8/0x8 [ 418.671447] ? lockdep_hardirqs_on+0x421/0x5c0 [ 418.676028] ? retint_kernel+0x2d/0x2d [ 418.679950] ? trace_hardirqs_on_caller+0xc0/0x310 [ 418.684902] ? find_held_lock+0x36/0x1c0 [ 418.689002] ? lock_acquire+0x1ed/0x520 [ 418.692978] ? bpf_test_run+0x32e/0x5a0 [ 418.696983] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.702536] ? check_preemption_disabled+0x48/0x280 [ 418.707559] ? kasan_check_read+0x11/0x20 [ 418.711709] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 418.716988] ? rcu_bh_qs+0xc0/0xc0 [ 418.720531] ? preempt_schedule+0x4d/0x60 [ 418.724684] ? ___preempt_schedule+0x16/0x18 [ 418.729099] ? bpf_test_run+0x1c0/0x5a0 [ 418.733084] ? netlink_diag_dump+0x2a0/0x2a0 [ 418.737523] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.743062] ? bpf_test_init.isra.9+0x70/0x100 [ 418.747651] ? bpf_prog_test_run_skb+0x634/0xb40 [ 418.752428] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 418.757286] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 418.762820] ? fput+0x130/0x1a0 [ 418.766135] ? __bpf_prog_get+0x9b/0x290 [ 418.770205] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 418.775050] ? bpf_prog_test_run+0x130/0x1a0 [ 418.779464] ? __x64_sys_bpf+0x3d8/0x510 [ 418.783748] ? bpf_prog_get+0x20/0x20 [ 418.787572] ? do_syscall_64+0x1b9/0x820 [ 418.791632] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 418.796997] ? syscall_return_slowpath+0x5e0/0x5e0 [ 418.801935] ? trace_hardirqs_on_caller+0x310/0x310 [ 418.806954] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 418.811970] ? recalc_sigpending_tsk+0x180/0x180 [ 418.816732] ? kasan_check_write+0x14/0x20 [ 418.821002] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 418.825851] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 418.831236] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 418.831404] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 418.837997] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 418.848464] syz-executor1 cpuset= [ 418.857799] Call Trace: [ 418.857809] syz1 [ 418.861263] dump_stack+0x1c4/0x2b6 [ 418.863826] mems_allowed=0 [ 418.865794] ? dump_stack_print_info.cold.1+0x20/0x20 [ 418.877501] warn_alloc.cold.119+0xb7/0x1bd [ 418.881827] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 418.886694] ? lock_downgrade+0x900/0x900 [ 418.890878] ? trace_hardirqs_off+0xb8/0x310 [ 418.895307] ? trace_hardirqs_off+0xb8/0x310 [ 418.899727] __alloc_pages_slowpath+0x265e/0x2d70 [ 418.904608] ? warn_alloc+0x120/0x120 [ 418.908416] ? warn_alloc+0x120/0x120 [ 418.912243] ? print_usage_bug+0xc0/0xc0 [ 418.916542] ? warn_alloc+0x120/0x120 [ 418.920346] ? print_usage_bug+0xc0/0xc0 [ 418.924430] ? __lock_acquire+0x7ec/0x4ec0 [ 418.928666] ? __lock_acquire+0x7ec/0x4ec0 [ 418.932907] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.938465] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 418.944006] ? should_fail+0x22d/0xd01 [ 418.947901] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.953008] ? __lock_acquire+0x7ec/0x4ec0 [ 418.957251] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 418.962368] ? __lock_acquire+0x7ec/0x4ec0 [ 418.966615] ? should_fail+0x22d/0xd01 [ 418.970514] ? mark_held_locks+0x130/0x130 [ 418.974753] ? mark_held_locks+0x130/0x130 [ 418.978992] ? graph_lock+0x170/0x170 [ 418.982792] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 418.988329] ? graph_lock+0x170/0x170 [ 418.992127] ? print_usage_bug+0xc0/0xc0 [ 418.996198] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.001738] ? check_preemption_disabled+0x48/0x280 [ 419.006747] ? check_preemption_disabled+0x48/0x280 [ 419.011769] ? __lock_is_held+0xb5/0x140 [ 419.015834] __alloc_pages_nodemask+0xa80/0xde0 [ 419.020518] ? graph_lock+0x170/0x170 [ 419.024338] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 419.029349] ? graph_lock+0x170/0x170 [ 419.033167] ? find_held_lock+0x36/0x1c0 [ 419.037241] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.041925] ? lock_downgrade+0x900/0x900 [ 419.046078] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.051619] cache_grow_begin+0x91/0x8c0 [ 419.055679] ? do_raw_spin_unlock+0xa7/0x330 [ 419.060110] fallback_alloc+0x203/0x2e0 [ 419.064092] ____cache_alloc_node+0x1c7/0x1e0 [ 419.068627] kmem_cache_alloc_node+0xe3/0x730 [ 419.073138] ? ipv6_get_ifaddr+0x42e/0x620 [ 419.077391] __alloc_skb+0x119/0x770 [ 419.081111] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.086393] ? skb_scrub_packet+0x490/0x490 [ 419.090720] ? lock_downgrade+0x900/0x900 [ 419.094878] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.100416] ? refcount_sub_and_test_checked+0x203/0x310 [ 419.105879] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 419.111328] ? addrconf_rs_timer+0x690/0x690 [ 419.115767] ndisc_alloc_skb+0x144/0x340 [ 419.119832] ndisc_send_rs+0x331/0x6e0 [ 419.123723] addrconf_rs_timer+0x314/0x690 [ 419.127979] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.132255] call_timer_fn+0x272/0x920 [ 419.136147] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.140395] ? process_timeout+0x40/0x40 [ 419.144460] ? find_held_lock+0x36/0x1c0 [ 419.148552] ? __run_timers+0x7da/0xc70 [ 419.152546] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.157043] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.161536] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.165784] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 419.170368] ? trace_hardirqs_on+0xbd/0x310 [ 419.174693] ? kasan_check_read+0x11/0x20 [ 419.178844] ? __run_timers+0x7da/0xc70 [ 419.182820] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.188306] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.192563] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 419.196799] __run_timers+0x7e5/0xc70 [ 419.200620] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 419.205989] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.210484] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.214998] ? lockdep_hardirqs_on+0x421/0x5c0 [ 419.219581] ? trace_hardirqs_on+0xbd/0x310 [ 419.223906] ? kasan_check_read+0x11/0x20 [ 419.228055] ? finish_task_switch+0x1f4/0x910 [ 419.232553] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 419.238004] ? compat_start_thread+0x80/0x80 [ 419.242421] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.247994] ? pvclock_read_flags+0x160/0x160 [ 419.252507] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.258048] ? check_preemption_disabled+0x48/0x280 [ 419.263564] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 419.268847] ? rcu_pm_notify+0xc0/0xc0 [ 419.272736] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.278277] ? check_preemption_disabled+0x48/0x280 [ 419.283303] run_timer_softirq+0x52/0xb0 [ 419.287368] ? rcu_read_lock_sched_held+0x108/0x120 [ 419.292385] __do_softirq+0x30c/0xb03 [ 419.296203] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 419.301308] ? trace_hardirqs_off+0xb8/0x310 [ 419.305734] ? schedule+0x108/0x460 [ 419.309375] ? trace_hardirqs_off+0xb8/0x310 [ 419.313785] ? smpboot_thread_fn+0x68b/0xa00 [ 419.318214] ? trace_hardirqs_on+0x310/0x310 [ 419.322627] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.328172] ? check_preemption_disabled+0x48/0x280 [ 419.333198] ? takeover_tasklets+0xa90/0xa90 [ 419.337613] run_ksoftirqd+0x94/0x100 [ 419.341436] smpboot_thread_fn+0x68b/0xa00 [ 419.345687] ? sort_range+0x30/0x30 [ 419.349314] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 419.354416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.359972] ? __kthread_parkme+0xfb/0x1a0 [ 419.364222] kthread+0x35a/0x420 [ 419.367967] ? sort_range+0x30/0x30 [ 419.371594] ? kthread_bind+0x40/0x40 [ 419.375399] ret_from_fork+0x3a/0x50 [ 419.379131] warn_alloc_show_mem: 1 callbacks suppressed [ 419.379143] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 419.379144] Mem-Info: [ 419.379185] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 419.379185] active_file:15 inactive_file:13 isolated_file:0 [ 419.379185] unevictable:0 dirty:0 writeback:0 unstable:0 [ 419.379185] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 419.379185] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 419.379185] free:13788 free_pcp:609 free_cma:0 [ 419.384526] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 419.391818] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 419.394219] Call Trace: [ 419.429174] Node 0 [ 419.438530] [ 419.466033] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 419.468589] dump_stack+0x1c4/0x2b6 [ 419.470801] lowmem_reserve[]: [ 419.472950] ? dump_stack_print_info.cold.1+0x20/0x20 [ 419.498422] 0 [ 419.502061] warn_alloc.cold.119+0xb7/0x1bd [ 419.505138] 2819 [ 419.510330] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 419.512112] 6323 [ 419.516428] ? lock_downgrade+0x900/0x900 [ 419.518469] 6323 [ 419.523305] ? trace_hardirqs_off+0xb8/0x310 [ 419.529480] ? trace_hardirqs_off+0xb8/0x310 [ 419.531520] Node 0 [ 419.535933] __alloc_pages_slowpath+0x265e/0x2d70 [ 419.540330] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 419.542560] ? warn_alloc+0x120/0x120 [ 419.547355] lowmem_reserve[]: 0 [ 419.574246] ? mark_held_locks+0x130/0x130 [ 419.578018] 0 3503 [ 419.581323] ? warn_alloc+0x120/0x120 [ 419.585534] 3503 [ 419.587770] ? print_usage_bug+0xc0/0xc0 [ 419.591547] Node 0 [ 419.593602] ? warn_alloc+0x120/0x120 [ 419.597669] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 419.599880] ? print_usage_bug+0xc0/0xc0 [ 419.603648] lowmem_reserve[]: 0 [ 419.632031] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 419.636063] 0 0 [ 419.639392] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 419.644555] 0 [ 419.646527] ? should_fail+0x22d/0xd01 [ 419.652036] Node 0 [ 419.653830] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.657701] DMA: [ 419.659934] ? __lock_acquire+0x7ec/0x4ec0 [ 419.665012] 1*4kB [ 419.667072] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 419.671279] (U) [ 419.673424] ? __lock_acquire+0x7ec/0x4ec0 [ 419.678510] 0*8kB [ 419.680494] ? should_fail+0x22d/0xd01 [ 419.684703] 0*16kB 1*32kB [ 419.686862] ? mark_held_locks+0x130/0x130 [ 419.690736] (U) [ 419.693573] ? mark_held_locks+0x130/0x130 [ 419.697780] 2*64kB [ 419.699763] ? find_held_lock+0x36/0x1c0 [ 419.703970] (U) [ 419.706197] ? graph_lock+0x170/0x170 [ 419.710233] 1*128kB [ 419.712207] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.715978] (U) [ 419.718297] ? check_preemption_disabled+0x48/0x280 [ 419.723803] 1*256kB [ 419.725776] ? check_preemption_disabled+0x48/0x280 [ 419.730772] (U) [ 419.733095] ? __lock_is_held+0xb5/0x140 [ 419.738078] 0*512kB [ 419.740046] __alloc_pages_nodemask+0xa80/0xde0 [ 419.744076] 1*1024kB [ 419.746389] ? graph_lock+0x170/0x170 [ 419.751053] (U) [ 419.753458] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 419.757236] 1*2048kB [ 419.759216] ? graph_lock+0x170/0x170 [ 419.764203] (M) 3*4096kB [ 419.766621] ? find_held_lock+0x36/0x1c0 [ 419.770393] (M) [ 419.773161] ? ____cache_alloc_node+0x1c7/0x1e0 [ 419.777195] = 15908kB [ 419.779170] ? lock_downgrade+0x900/0x900 [ 419.783815] Node 0 [ 419.786220] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.790337] DMA32: [ 419.792583] cache_grow_begin+0x91/0x8c0 [ 419.798094] 5*4kB [ 419.800323] ? do_raw_spin_unlock+0xa7/0x330 [ 419.804355] (UM) [ 419.806506] fallback_alloc+0x203/0x2e0 [ 419.810884] 0*8kB 3*16kB [ 419.812968] ____cache_alloc_node+0x1c7/0x1e0 [ 419.816940] (UM) [ 419.819725] kmem_cache_alloc_node+0xe3/0x730 [ 419.824194] 2*32kB [ 419.826251] ? mark_held_locks+0xc7/0x130 [ 419.830722] (M) [ 419.832961] __alloc_skb+0x119/0x770 [ 419.837079] 5*64kB [ 419.839045] ? skb_scrub_packet+0x490/0x490 [ 419.842730] (UM) [ 419.844964] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 419.849256] 4*128kB (UM) [ 419.851355] ? queue_work_on+0x12c/0x1e0 [ 419.855932] 3*256kB (M) [ 419.858700] ? switchdev_port_obj_del+0xdc/0x450 [ 419.862736] 4*512kB [ 419.865398] ? switchdev_trans_item_enqueue+0x260/0x260 [ 419.870161] (UM) 3*1024kB [ 419.872502] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 419.877835] (UM) 3*2048kB [ 419.880685] __br_mdb_notify+0x4ff/0x15d0 [ 419.885672] (M) [ 419.888515] ? __br_mdb_add+0x800/0x800 [ 419.892631] 3*4096kB (M) [ 419.894610] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 419.898584] = 25284kB [ 419.898592] Node 0 [ 419.901363] ? graph_lock+0x170/0x170 [ 419.906880] Normal: [ 419.909300] ? br_multicast_group_expired+0x96/0x610 [ 419.911509] 888*4kB [ 419.915820] ? lock_downgrade+0x900/0x900 [ 419.918119] (UMEH) [ 419.923238] br_mdb_notify+0x310/0x410 [ 419.925539] 387*8kB [ 419.929680] ? br_mdb_dump+0x2530/0x2530 [ 419.931910] (UME) [ 419.935800] ? kasan_check_write+0x14/0x20 [ 419.938097] 157*16kB (UME) [ 419.942163] ? do_raw_spin_lock+0xc1/0x230 [ 419.944284] 53*32kB (UMEH) [ 419.948520] br_multicast_group_expired+0x1bc/0x610 [ 419.951442] 26*64kB [ 419.955698] ? br_mdb_free+0x80/0x80 [ 419.958820] (UMH) 4*128kB [ 419.963848] call_timer_fn+0x272/0x920 [ 419.966143] (UMH) [ 419.969852] ? br_mdb_free+0x80/0x80 [ 419.972673] 0*256kB [ 419.976556] ? process_timeout+0x40/0x40 [ 419.978684] 0*512kB [ 419.982388] ? find_held_lock+0x36/0x1c0 [ 419.984683] 1*1024kB (H) [ 419.988748] ? __run_timers+0x7da/0xc70 [ 419.991037] 0*2048kB 0*4096kB [ 419.995096] ? _raw_spin_unlock_irq+0x27/0x80 [ 419.997831] = 14056kB [ 420.001797] ? _raw_spin_unlock_irq+0x27/0x80 [ 420.005003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 420.009485] ? br_mdb_free+0x80/0x80 [ 420.011921] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 420.016445] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 420.025275] 147 total pagecache pages [ 420.028985] ? trace_hardirqs_on+0xbd/0x310 [ 420.037542] 0 pages in swap cache [ 420.042116] ? kasan_check_read+0x11/0x20 [ 420.045886] Swap cache stats: add 0, delete 0, find 0/0 [ 420.045895] Free swap = 0kB [ 420.050208] ? __run_timers+0x7da/0xc70 [ 420.053637] Total swap = 0kB [ 420.057776] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 420.063113] 1965979 pages RAM [ 420.066122] ? br_mdb_free+0x80/0x80 [ 420.070067] 0 pages HighMem/MovableOnly [ 420.070075] 342307 pages reserved [ 420.073100] ? br_mdb_free+0x80/0x80 [ 420.078525] 0 pages cma reserved [ 420.081622] __run_timers+0x7e5/0xc70 [ 420.085387] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 420.089289] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 420.092800] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 420.096422] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 420.099770] ksoftirqd/0 cpuset= [ 420.103563] ? graph_lock+0x170/0x170 [ 420.110031] / [ 420.115388] ? enqueue_hrtimer+0x1a5/0x560 [ 420.125676] mems_allowed=0 [ 420.130682] ? lock_release+0x970/0x970 [ 420.150524] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 420.155720] ? find_held_lock+0x36/0x1c0 [ 420.159785] ? graph_lock+0x170/0x170 [ 420.163587] ? pvclock_read_flags+0x160/0x160 [ 420.168083] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.173621] ? check_preemption_disabled+0x48/0x280 [ 420.178651] ? __lock_is_held+0xb5/0x140 [ 420.182713] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.188249] ? check_preemption_disabled+0x48/0x280 [ 420.193273] run_timer_softirq+0x52/0xb0 [ 420.197336] ? rcu_read_lock_sched_held+0x108/0x120 [ 420.202357] __do_softirq+0x30c/0xb03 [ 420.206177] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 420.211286] ? pvclock_read_flags+0x160/0x160 [ 420.215780] ? lapic_next_event+0x5a/0x90 [ 420.220026] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.225560] ? check_preemption_disabled+0x48/0x280 [ 420.230595] ? check_preemption_disabled+0x48/0x280 [ 420.235619] ? kvm_clock_read+0x18/0x30 [ 420.239595] ? kvm_sched_clock_read+0x9/0x20 [ 420.244036] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.249576] ? check_preemption_disabled+0x48/0x280 [ 420.254610] irq_exit+0x17f/0x1c0 [ 420.258066] smp_apic_timer_interrupt+0x1cb/0x760 [ 420.262921] ? smp_reschedule_interrupt+0x109/0x650 [ 420.267946] ? smp_call_function_single_interrupt+0x650/0x650 [ 420.273833] ? interrupt_entry+0xb5/0xf0 [ 420.277900] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.282916] ? trace_hardirqs_off_caller+0xbb/0x310 [ 420.287955] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.292797] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.297815] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.302830] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.308372] ? check_preemption_disabled+0x48/0x280 [ 420.313403] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.318951] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.323801] apic_timer_interrupt+0xf/0x20 [ 420.328028] [ 420.330268] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 420.335198] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 420.354115] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 420.361857] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 420.369125] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 420.376410] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 420.383674] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 420.390960] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 420.398286] skb_clone+0x1bb/0x500 [ 420.401825] ? finish_task_switch+0x1b4/0x910 [ 420.406327] ? skb_split+0x11e0/0x11e0 [ 420.410244] ? preempt_notifier_register+0x200/0x200 [ 420.415348] ? __switch_to_asm+0x34/0x70 [ 420.419409] ? __switch_to_asm+0x34/0x70 [ 420.423468] ? __switch_to_asm+0x40/0x70 [ 420.427527] ? __switch_to_asm+0x34/0x70 [ 420.431585] ? __switch_to_asm+0x40/0x70 [ 420.435641] ? __switch_to_asm+0x34/0x70 [ 420.439713] ? __switch_to_asm+0x40/0x70 [ 420.443772] ? __switch_to_asm+0x34/0x70 [ 420.447844] ? __switch_to_asm+0x34/0x70 [ 420.451919] ? __switch_to_asm+0x40/0x70 [ 420.455996] ? __switch_to_asm+0x34/0x70 [ 420.460068] bpf_clone_redirect+0xb9/0x490 [ 420.464310] ? __schedule+0x874/0x1ed0 [ 420.468206] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 420.473228] ? __sched_text_start+0x8/0x8 [ 420.477382] ? lockdep_hardirqs_on+0x421/0x5c0 [ 420.481964] ? retint_kernel+0x2d/0x2d [ 420.485855] ? trace_hardirqs_on_caller+0xc0/0x310 [ 420.490801] ? find_held_lock+0x36/0x1c0 [ 420.494879] ? lock_acquire+0x1ed/0x520 [ 420.498860] ? bpf_test_run+0x32e/0x5a0 [ 420.502835] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.508374] ? check_preemption_disabled+0x48/0x280 [ 420.513399] ? kasan_check_read+0x11/0x20 [ 420.517567] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 420.522845] ? rcu_bh_qs+0xc0/0xc0 [ 420.526389] ? preempt_schedule+0x4d/0x60 [ 420.530540] ? ___preempt_schedule+0x16/0x18 [ 420.534964] ? bpf_test_run+0x1c0/0x5a0 [ 420.538958] ? netlink_diag_dump+0x2a0/0x2a0 [ 420.543367] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.548904] ? bpf_test_init.isra.9+0x70/0x100 [ 420.553522] ? bpf_prog_test_run_skb+0x634/0xb40 [ 420.558304] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 420.563145] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 420.568693] ? fput+0x130/0x1a0 [ 420.571973] ? __bpf_prog_get+0x9b/0x290 [ 420.576036] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 420.580889] ? bpf_prog_test_run+0x130/0x1a0 [ 420.585321] ? __x64_sys_bpf+0x3d8/0x510 [ 420.589386] ? bpf_prog_get+0x20/0x20 [ 420.593228] ? do_syscall_64+0x1b9/0x820 [ 420.597293] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 420.602660] ? syscall_return_slowpath+0x5e0/0x5e0 [ 420.607594] ? trace_hardirqs_on_caller+0x310/0x310 [ 420.612611] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 420.617627] ? recalc_sigpending_tsk+0x180/0x180 [ 420.622387] ? kasan_check_write+0x14/0x20 [ 420.626628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 420.631481] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 420.636898] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 420.636953] rcu: INFO: rcu_preempt detected stalls on CPUs/tasks: [ 420.643668] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 420.643676] Call Trace: [ 420.659259] dump_stack+0x1c4/0x2b6 [ 420.661818] rcu: (detected by 1, t=10520 jiffies, g=25317, q=15) [ 420.665465] ? dump_stack_print_info.cold.1+0x20/0x20 [ 420.665492] warn_alloc.cold.119+0xb7/0x1bd [ 420.671701] rcu: All QSes seen, last rcu_preempt kthread activity 10444 (4294979211-4294968767), jiffies_till_next_fqs=1, root ->qsmask 0x0 [ 420.676878] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 420.681181] syz-executor1 R [ 420.693828] ? lock_downgrade+0x900/0x900 [ 420.698642] running task [ 420.701746] ? trace_hardirqs_off+0xb8/0x310 [ 420.705871] 20984 12514 5354 0x8010000c [ 420.709050] ? trace_hardirqs_off+0xb8/0x310 [ 420.713434] Call Trace: [ 420.717581] __alloc_pages_slowpath+0x265e/0x2d70 [ 420.721964] [ 420.724575] ? warn_alloc+0x120/0x120 [ 420.729375] sched_show_task.cold.83+0x2b6/0x30a [ 420.731524] ? warn_alloc+0x120/0x120 [ 420.735328] ? can_nice.part.74+0x20/0x20 [ 420.740066] ? print_usage_bug+0xc0/0xc0 [ 420.743854] ? vprintk_default+0x28/0x30 [ 420.747996] ? warn_alloc+0x120/0x120 [ 420.752042] ? vprintk_func+0x85/0x181 [ 420.756118] ? print_usage_bug+0xc0/0xc0 [ 420.759916] ? vprintk_func+0x85/0x181 [ 420.763798] ? __lock_acquire+0x7ec/0x4ec0 [ 420.767847] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 420.771715] ? __lock_acquire+0x7ec/0x4ec0 [ 420.775987] ? kmsg_dump_rewind_nolock+0xe4/0xe4 [ 420.780728] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.785068] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.789814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 420.795356] print_other_cpu_stall.cold.79+0xa83/0xba5 [ 420.800873] ? should_fail+0x22d/0xd01 [ 420.806396] ? wake_up_klogd+0x180/0x180 [ 420.811657] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.815536] ? print_cpu_stall+0x1c0/0x1c0 [ 420.819575] ? __lock_acquire+0x7ec/0x4ec0 [ 420.824668] ? graph_lock+0x170/0x170 [ 420.828883] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 420.833097] ? print_usage_bug+0xc0/0xc0 [ 420.836898] ? __lock_acquire+0x7ec/0x4ec0 [ 420.841986] ? lock_downgrade+0x900/0x900 [ 420.846033] ? should_fail+0x22d/0xd01 [ 420.850257] ? check_preemption_disabled+0x48/0x280 [ 420.854391] ? mark_held_locks+0x130/0x130 [ 420.858257] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.863259] ? mark_held_locks+0x130/0x130 [ 420.867477] ? check_preemption_disabled+0x48/0x280 [ 420.873001] ? mark_held_locks+0xc7/0x130 [ 420.877225] ? check_preemption_disabled+0x48/0x280 [ 420.882221] ? print_usage_bug+0xc0/0xc0 [ 420.886370] ? rcu_test_sync_prims+0x30/0x30 [ 420.891372] ? graph_lock+0x170/0x170 [ 420.895420] ? __lock_is_held+0xb5/0x140 [ 420.899816] ? print_usage_bug+0xc0/0xc0 [ 420.903602] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.907675] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.911720] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.917410] ? check_preemption_disabled+0x48/0x280 [ 420.922954] ? check_preemption_disabled+0x48/0x280 [ 420.928474] ? check_preemption_disabled+0x48/0x280 [ 420.933478] rcu_check_callbacks+0xafc/0x1990 [ 420.938495] ? __lock_is_held+0xb5/0x140 [ 420.943496] ? rcu_cpu_stall_reset+0x220/0x220 [ 420.947967] __alloc_pages_nodemask+0xa80/0xde0 [ 420.952009] ? lock_release+0x970/0x970 [ 420.958932] ? graph_lock+0x170/0x170 [ 420.963613] ? graph_lock+0x170/0x170 [ 420.967565] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 420.971347] ? graph_lock+0x170/0x170 [ 420.975150] ? graph_lock+0x170/0x170 [ 420.980168] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 420.983962] ? find_held_lock+0x36/0x1c0 [ 420.987806] ? pvclock_gtod_notify+0x2e3/0x3e0 [ 420.993272] ? ____cache_alloc_node+0x1c7/0x1e0 [ 420.997309] ? kvm_set_tsc_khz+0x540/0x540 [ 421.001874] ? lock_downgrade+0x900/0x900 [ 421.006540] ? graph_lock+0x170/0x170 [ 421.010767] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.014909] ? timekeeping_advance+0x3cc/0xc00 [ 421.018732] cache_grow_begin+0x91/0x8c0 [ 421.024258] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.028826] ? do_raw_spin_unlock+0xa7/0x330 [ 421.032889] ? check_preemption_disabled+0x48/0x280 [ 421.038411] fallback_alloc+0x203/0x2e0 [ 421.042811] ? check_preemption_disabled+0x48/0x280 [ 421.047812] ____cache_alloc_node+0x1c7/0x1e0 [ 421.051775] ? trace_hardirqs_off+0xb8/0x310 [ 421.056774] kmem_cache_alloc_node+0xe3/0x730 [ 421.061253] ? __lock_is_held+0xb5/0x140 [ 421.065646] ? ipv6_get_ifaddr+0x42e/0x620 [ 421.070126] ? trace_hardirqs_on+0x310/0x310 [ 421.074218] __alloc_skb+0x119/0x770 [ 421.078433] ? check_preemption_disabled+0x48/0x280 [ 421.082831] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.086531] ? raise_softirq+0x199/0x420 [ 421.091530] ? skb_scrub_packet+0x490/0x490 [ 421.096789] ? raise_softirq_irqoff+0x2e0/0x2e0 [ 421.100831] ? lock_downgrade+0x900/0x900 [ 421.105187] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.109841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.113974] ? check_preemption_disabled+0x48/0x280 [ 421.119540] ? refcount_sub_and_test_checked+0x203/0x310 [ 421.125066] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 421.130072] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 421.135504] ? hrtimer_run_queues+0x9a/0x400 [ 421.141026] ? addrconf_rs_timer+0x690/0x690 [ 421.146460] ? run_local_timers+0x19b/0x230 [ 421.150876] ndisc_alloc_skb+0x144/0x340 [ 421.155258] ? timer_clear_idle+0x90/0x90 [ 421.159579] ndisc_send_rs+0x331/0x6e0 [ 421.163643] ? debug_smp_processor_id+0x1c/0x20 [ 421.167793] addrconf_rs_timer+0x314/0x690 [ 421.171663] ? irqtime_account_process_tick.isra.6+0x114/0x490 [ 421.176315] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.180533] ? account_process_tick+0x282/0x350 [ 421.186491] call_timer_fn+0x272/0x920 [ 421.190702] update_process_times+0x2d/0x70 [ 421.195354] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.199235] tick_sched_handle+0x9f/0x180 [ 421.203539] ? process_timeout+0x40/0x40 [ 421.207756] tick_sched_timer+0x45/0x130 [ 421.211904] ? find_held_lock+0x36/0x1c0 [ 421.215972] __hrtimer_run_queues+0x41c/0x10d0 [ 421.220024] ? __run_timers+0x7da/0xc70 [ 421.224077] ? tick_sched_do_timer+0x1a0/0x1a0 [ 421.228640] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.232615] ? hrtimer_start_range_ns+0xe00/0xe00 [ 421.237184] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.241679] ? pvclock_read_flags+0x160/0x160 [ 421.246508] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.250992] ? trace_hardirqs_on+0x310/0x310 [ 421.255469] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.259705] ? kvm_clock_read+0x18/0x30 [ 421.264091] ? trace_hardirqs_on+0xbd/0x310 [ 421.268656] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.272620] ? kasan_check_read+0x11/0x20 [ 421.276954] ? ktime_get_update_offsets_now+0x3b6/0x550 [ 421.281952] ? __run_timers+0x7da/0xc70 [ 421.286082] ? do_timer+0x50/0x50 [ 421.291450] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.295404] ? trace_hardirqs_on+0x310/0x310 [ 421.298845] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.304281] ? do_raw_spin_lock+0xc1/0x230 [ 421.308673] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 421.312910] hrtimer_interrupt+0x313/0x780 [ 421.317126] __run_timers+0x7e5/0xc70 [ 421.321377] smp_apic_timer_interrupt+0x1a1/0x760 [ 421.325592] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.329372] ? smp_call_function_single_interrupt+0x650/0x650 [ 421.334218] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.339581] ? interrupt_entry+0xb5/0xf0 [ 421.345481] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.349964] ? trace_hardirqs_off_caller+0xbb/0x310 [ 421.354009] ? lockdep_hardirqs_on+0x421/0x5c0 [ 421.358501] ? ____cache_alloc_node+0x1c7/0x1e0 [ 421.363503] ? trace_hardirqs_on+0xbd/0x310 [ 421.368074] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.372719] ? kasan_check_read+0x11/0x20 [ 421.372736] ? finish_task_switch+0x1f4/0x910 [ 421.377041] ? trace_hardirqs_on_caller+0x310/0x310 [ 421.381869] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.386051] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 421.390524] ? compat_start_thread+0x80/0x80 [ 421.395531] apic_timer_interrupt+0xf/0x20 [ 421.400962] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.405790] RIP: 0010:kmem_cache_alloc_node+0x247/0x730 [ 421.410224] ? pvclock_read_flags+0x160/0x160 [ 421.414442] Code: 40 7e 0f 85 32 ff ff ff e8 f5 dd 3e ff e9 28 ff ff ff e8 fc 17 c3 ff 48 83 3d 2c 52 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 d2 9e [ 421.419964] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.425332] RSP: 0018:ffff8801daf07260 EFLAGS: 00000286 [ 421.429821] ? check_preemption_disabled+0x48/0x280 [ 421.448701] ORIG_RAX: ffffffffffffff13 [ 421.454343] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 421.459708] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 1ffff10033d7819e [ 421.464739] ? rcu_pm_notify+0xc0/0xc0 [ 421.468693] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000286 [ 421.473960] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.481214] RBP: ffff8801daf072d0 R08: ffff88019ebc0cf0 R09: 0000000000000002 [ 421.485096] ? check_preemption_disabled+0x48/0x280 [ 421.492349] R10: 0000000000000000 R11: ffff88019ebc0400 R12: ffff8801d9be7680 [ 421.497900] run_timer_softirq+0x52/0xb0 [ 421.505149] R13: ffff8801d9be7680 R14: 0000000000000000 R15: 0000000000000286 [ 421.510167] ? rcu_read_lock_sched_held+0x108/0x120 [ 421.517442] ? apic_timer_interrupt+0xa/0x20 [ 421.517475] ? mark_held_locks+0xc7/0x130 [ 421.521506] __do_softirq+0x30c/0xb03 [ 421.528771] __alloc_skb+0x119/0x770 [ 421.533774] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 421.538172] ? skb_scrub_packet+0x490/0x490 [ 421.542305] ? trace_hardirqs_off+0xb8/0x310 [ 421.546094] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 421.549794] ? schedule+0x108/0x460 [ 421.554896] ? queue_work_on+0x12c/0x1e0 [ 421.559205] ? trace_hardirqs_off+0xb8/0x310 [ 421.563593] ? switchdev_port_obj_del+0xdc/0x450 [ 421.568166] ? smpboot_thread_fn+0x68b/0xa00 [ 421.571786] ? switchdev_trans_item_enqueue+0x260/0x260 [ 421.575833] ? trace_hardirqs_on+0x310/0x310 [ 421.580228] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 421.584965] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.589359] __br_mdb_notify+0x4ff/0x15d0 [ 421.594705] ? check_preemption_disabled+0x48/0x280 [ 421.599101] ? __br_mdb_add+0x800/0x800 [ 421.604101] ? takeover_tasklets+0xa90/0xa90 [ 421.609624] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.613753] run_ksoftirqd+0x94/0x100 [ 421.618760] ? graph_lock+0x170/0x170 [ 421.622710] smpboot_thread_fn+0x68b/0xa00 [ 421.627107] ? br_multicast_group_expired+0x96/0x610 [ 421.632626] ? sort_range+0x30/0x30 [ 421.636412] ? lock_downgrade+0x900/0x900 [ 421.640204] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 421.644434] br_mdb_notify+0x310/0x410 [ 421.649528] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 421.653136] ? br_mdb_dump+0x2530/0x2530 [ 421.657276] ? __kthread_parkme+0xfb/0x1a0 [ 421.662374] ? kasan_check_write+0x14/0x20 [ 421.666280] kthread+0x35a/0x420 [ 421.671802] ? do_raw_spin_lock+0xc1/0x230 [ 421.675852] ? sort_range+0x30/0x30 [ 421.680076] br_multicast_group_expired+0x1bc/0x610 [ 421.684314] ? kthread_bind+0x40/0x40 [ 421.687663] ? br_mdb_free+0x80/0x80 [ 421.691900] ret_from_fork+0x3a/0x50 [ 421.695541] call_timer_fn+0x272/0x920 [ 421.700548] warn_alloc_show_mem: 1 callbacks suppressed [ 421.700552] Mem-Info: [ 421.704319] ? br_mdb_free+0x80/0x80 [ 421.708033] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 421.708033] active_file:15 inactive_file:13 isolated_file:0 [ 421.708033] unevictable:0 dirty:0 writeback:0 unstable:0 [ 421.708033] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 421.708033] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 421.708033] free:13788 free_pcp:609 free_cma:0 [ 421.711715] ? process_timeout+0x40/0x40 [ 421.715602] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 421.720939] ? find_held_lock+0x36/0x1c0 [ 421.723319] Node 0 [ 421.727049] ? __run_timers+0x7da/0xc70 [ 421.759937] 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 [ 421.763989] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.791459] lowmem_reserve[]: 0 [ 421.795532] ? _raw_spin_unlock_irq+0x27/0x80 [ 421.797737] 2819 6323 [ 421.801724] ? br_mdb_free+0x80/0x80 [ 421.827206] 6323 [ 421.831701] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 421.839448] ? trace_hardirqs_on+0xbd/0x310 [ 421.841922] Node 0 [ 421.845639] ? kasan_check_read+0x11/0x20 [ 421.847706] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 421.852261] ? __run_timers+0x7da/0xc70 [ 421.856571] lowmem_reserve[]: [ 421.858805] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 421.862924] 0 [ 421.889819] ? br_mdb_free+0x80/0x80 [ 421.893775] 0 [ 421.896874] ? br_mdb_free+0x80/0x80 [ 421.902293] 3503 3503 [ 421.904104] __run_timers+0x7e5/0xc70 [ 421.907789] Node 0 [ 421.909596] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 421.913334] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 421.915801] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 421.919581] lowmem_reserve[]: 0 [ 421.921835] ? graph_lock+0x170/0x170 [ 421.927185] 0 [ 421.955592] ? enqueue_hrtimer+0x1a5/0x560 [ 421.960738] 0 [ 421.964016] ? lock_release+0x970/0x970 [ 421.967793] 0 [ 421.969647] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 421.973862] Node 0 [ 421.975663] ? find_held_lock+0x36/0x1c0 [ 421.979607] DMA: 1*4kB [ 421.981416] ? graph_lock+0x170/0x170 [ 421.986588] (U) [ 421.988823] ? pvclock_read_flags+0x160/0x160 [ 421.992878] 0*8kB [ 421.995460] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 421.999234] 0*16kB [ 422.001214] ? check_preemption_disabled+0x48/0x280 [ 422.005675] 1*32kB (U) [ 422.007892] ? __lock_is_held+0xb5/0x140 [ 422.013394] 2*64kB (U) [ 422.015654] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.020654] 1*128kB (U) [ 422.023260] ? check_preemption_disabled+0x48/0x280 [ 422.027289] 1*256kB (U) [ 422.029881] run_timer_softirq+0x52/0xb0 [ 422.035397] 0*512kB 1*1024kB [ 422.038070] ? rcu_read_lock_sched_held+0x108/0x120 [ 422.043072] (U) 1*2048kB [ 422.045760] __do_softirq+0x30c/0xb03 [ 422.049791] (M) 3*4096kB [ 422.052916] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 422.057893] (M) = 15908kB [ 422.060662] ? pvclock_read_flags+0x160/0x160 [ 422.064440] Node 0 [ 422.067196] ? lapic_next_event+0x5a/0x90 [ 422.072268] DMA32: 5*4kB [ 422.075076] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.079536] (UM) 0*8kB [ 422.081793] ? check_preemption_disabled+0x48/0x280 [ 422.085916] 3*16kB (UM) [ 422.088683] ? check_preemption_disabled+0x48/0x280 [ 422.094213] 2*32kB [ 422.096795] ? kvm_clock_read+0x18/0x30 [ 422.101889] (M) 5*64kB [ 422.104564] ? kvm_sched_clock_read+0x9/0x20 [ 422.109559] (UM) 4*128kB [ 422.111802] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.115742] (UM) 3*256kB [ 422.118333] ? check_preemption_disabled+0x48/0x280 [ 422.122707] (M) 4*512kB [ 422.125473] irq_exit+0x17f/0x1c0 [ 422.130973] (UM) 3*1024kB [ 422.133739] smp_apic_timer_interrupt+0x1cb/0x760 [ 422.138724] (UM) 3*2048kB [ 422.141402] ? smp_reschedule_interrupt+0x109/0x650 [ 422.144827] (M) [ 422.147667] ? smp_call_function_single_interrupt+0x650/0x650 [ 422.152483] 3*4096kB (M) [ 422.155333] ? interrupt_entry+0xb5/0xf0 [ 422.160324] = 25284kB [ 422.162296] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.168206] Node 0 [ 422.170965] ? trace_hardirqs_off_caller+0xbb/0x310 [ 422.174999] Normal: [ 422.177407] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.182396] 888*4kB [ 422.184630] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.189620] (UMEH) [ 422.191948] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.196759] 387*8kB (UME) [ 422.199085] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.204073] 157*16kB (UME) [ 422.206313] ? check_preemption_disabled+0x48/0x280 [ 422.211302] 53*32kB (UMEH) [ 422.214150] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.219664] 26*64kB (UMH) [ 422.222603] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.227585] 4*128kB (UMH) [ 422.230523] apic_timer_interrupt+0xf/0x20 [ 422.236023] 0*256kB 0*512kB [ 422.238864] [ 422.243708] 1*1024kB (H) [ 422.246566] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 422.250767] 0*2048kB 0*4096kB [ 422.253792] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 422.256018] = 14056kB [ 422.258761] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 [ 422.263687] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 422.266858] ORIG_RAX: ffffffffffffff13 [ 422.285748] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 422.288141] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 422.293495] 147 total pagecache pages [ 422.302320] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 422.306285] 0 pages in swap cache [ 422.314840] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 422.322089] Swap cache stats: add 0, delete 0, find 0/0 [ 422.322097] Free swap = 0kB [ 422.325885] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 422.333132] Total swap = 0kB [ 422.333140] 1965979 pages RAM [ 422.336591] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 422.343841] 0 pages HighMem/MovableOnly [ 422.343849] 342307 pages reserved [ 422.349261] skb_clone+0x1bb/0x500 [ 422.352223] 0 pages cma reserved [ 422.359496] ? finish_task_switch+0x1b4/0x910 [ 422.362574] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 422.365601] ? skb_split+0x11e0/0x11e0 [ 422.372958] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 422.376823] ? preempt_notifier_register+0x200/0x200 [ 422.380280] ksoftirqd/0 cpuset= [ 422.383818] ? __switch_to_asm+0x34/0x70 [ 422.387169] / [ 422.391655] ? __switch_to_asm+0x34/0x70 [ 422.398141] mems_allowed=0 [ 422.402039] ? __switch_to_asm+0x40/0x70 [ 422.412336] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 422.417420] ? __switch_to_asm+0x34/0x70 [ 422.417455] ? __switch_to_asm+0x40/0x70 [ 422.420721] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 422.424774] ? __switch_to_asm+0x34/0x70 [ 422.426469] Call Trace: [ 422.430527] ? __switch_to_asm+0x40/0x70 [ 422.433455] dump_stack+0x1c4/0x2b6 [ 422.437496] ? __switch_to_asm+0x34/0x70 [ 422.444265] ? dump_stack_print_info.cold.1+0x20/0x20 [ 422.448321] ? __switch_to_asm+0x34/0x70 [ 422.452376] warn_alloc.cold.119+0xb7/0x1bd [ 422.461709] ? __switch_to_asm+0x40/0x70 [ 422.465765] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 422.468335] ? __switch_to_asm+0x34/0x70 [ 422.472384] ? lock_downgrade+0x900/0x900 [ 422.476008] bpf_clone_redirect+0xb9/0x490 [ 422.480054] ? trace_hardirqs_off+0xb8/0x310 [ 422.485228] ? __schedule+0x874/0x1ed0 [ 422.489277] ? trace_hardirqs_off+0xb8/0x310 [ 422.493586] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 422.497639] __alloc_pages_slowpath+0x265e/0x2d70 [ 422.502459] ? __sched_text_start+0x8/0x8 [ 422.506530] ? warn_alloc+0x120/0x120 [ 422.510639] ? lockdep_hardirqs_on+0x421/0x5c0 [ 422.514858] ? warn_alloc+0x120/0x120 [ 422.519250] ? retint_kernel+0x2d/0x2d [ 422.523144] ? print_usage_bug+0xc0/0xc0 [ 422.527546] ? trace_hardirqs_on_caller+0xc0/0x310 [ 422.532558] ? warn_alloc+0x120/0x120 [ 422.537406] ? find_held_lock+0x36/0x1c0 [ 422.541554] ? print_usage_bug+0xc0/0xc0 [ 422.545351] ? lock_acquire+0x1ed/0x520 [ 422.549915] ? __lock_acquire+0x7ec/0x4ec0 [ 422.553708] ? bpf_test_run+0x32e/0x5a0 [ 422.557582] ? __lock_acquire+0x7ec/0x4ec0 [ 422.561645] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.566558] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.570349] ? check_preemption_disabled+0x48/0x280 [ 422.574390] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.578437] ? kasan_check_read+0x11/0x20 [ 422.582396] ? should_fail+0x22d/0xd01 [ 422.586619] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.590577] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.594798] ? rcu_bh_qs+0xc0/0xc0 [ 422.600337] ? __lock_acquire+0x7ec/0x4ec0 [ 422.605872] ? preempt_schedule+0x4d/0x60 [ 422.610870] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 422.616396] ? ___preempt_schedule+0x16/0x18 [ 422.620528] ? __lock_acquire+0x7ec/0x4ec0 [ 422.624404] ? bpf_test_run+0x1c0/0x5a0 [ 422.629665] ? should_fail+0x22d/0xd01 [ 422.634763] ? netlink_diag_dump+0x2a0/0x2a0 [ 422.638283] ? mark_held_locks+0x130/0x130 [ 422.642500] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 422.646634] ? mark_held_locks+0x130/0x130 [ 422.651722] ? bpf_test_init.isra.9+0x70/0x100 [ 422.656121] ? mark_held_locks+0xc7/0x130 [ 422.660354] ? bpf_prog_test_run_skb+0x634/0xb40 [ 422.664310] ? print_usage_bug+0xc0/0xc0 [ 422.668190] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 422.672577] ? graph_lock+0x170/0x170 [ 422.676803] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 422.682321] ? print_usage_bug+0xc0/0xc0 [ 422.686536] ? fput+0x130/0x1a0 [ 422.691107] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.695247] ? __bpf_prog_get+0x9b/0x290 [ 422.699991] ? check_preemption_disabled+0x48/0x280 [ 422.704039] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 422.708913] ? check_preemption_disabled+0x48/0x280 [ 422.708938] ? __lock_is_held+0xb5/0x140 [ 422.712720] ? bpf_prog_test_run+0x130/0x1a0 [ 422.718248] __alloc_pages_nodemask+0xa80/0xde0 [ 422.722291] ? __x64_sys_bpf+0x3d8/0x510 [ 422.725562] ? graph_lock+0x170/0x170 [ 422.731093] ? bpf_prog_get+0x20/0x20 [ 422.735142] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 422.740172] ? do_syscall_64+0x1b9/0x820 [ 422.745005] ? graph_lock+0x170/0x170 [ 422.750021] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 422.754084] ? find_held_lock+0x36/0x1c0 [ 422.758472] ? syscall_return_slowpath+0x5e0/0x5e0 [ 422.763128] ? ____cache_alloc_node+0x1c7/0x1e0 [ 422.767226] ? trace_hardirqs_on_caller+0x310/0x310 [ 422.771026] ? lock_downgrade+0x900/0x900 [ 422.774812] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 422.779818] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.784248] ? recalc_sigpending_tsk+0x180/0x180 [ 422.788069] cache_grow_begin+0x91/0x8c0 [ 422.793434] ? kasan_check_write+0x14/0x20 [ 422.797497] ? do_raw_spin_unlock+0xa7/0x330 [ 422.802410] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 422.807075] fallback_alloc+0x203/0x2e0 [ 422.812080] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 422.816214] ____cache_alloc_node+0x1c7/0x1e0 [ 422.821229] rcu: rcu_preempt kthread starved for 10444 jiffies! g25317 f0x2 RCU_GP_WAIT_FQS(5) ->state=0x0 ->cpu=1 [ 422.826734] kmem_cache_alloc_node+0xe3/0x730 [ 422.831480] rcu: RCU grace-period kthread stack dump: [ 422.835540] ? ipv6_get_ifaddr+0x42e/0x620 [ 422.839751] rcu_preempt R [ 422.844171] __alloc_skb+0x119/0x770 [ 422.848980] running task [ 422.852952] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 422.858293] 22952 10 2 0x80000000 [ 422.862780] ? skb_scrub_packet+0x490/0x490 [ 422.873248] Call Trace: [ 422.877764] ? lock_downgrade+0x900/0x900 [ 422.882987] __schedule+0x86c/0x1ed0 [ 422.887205] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 422.890299] ? __sched_text_start+0x8/0x8 [ 422.893991] ? refcount_sub_and_test_checked+0x203/0x310 [ 422.897175] ? __mod_timer+0x6f6/0x1870 [ 422.902444] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 422.906601] ? add_timer_on+0x9f0/0x9f0 [ 422.910930] ? addrconf_rs_timer+0x690/0x690 [ 422.913980] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.918125] ndisc_alloc_skb+0x144/0x340 [ 422.921829] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 422.927355] ndisc_send_rs+0x331/0x6e0 [ 422.931488] ? trace_hardirqs_on+0xbd/0x310 [ 422.936924] addrconf_rs_timer+0x314/0x690 [ 422.940890] ? kasan_check_read+0x11/0x20 [ 422.946325] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.950311] ? prepare_to_swait_event+0x25a/0x800 [ 422.954709] call_timer_fn+0x272/0x920 [ 422.960204] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 422.964248] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 422.969338] schedule+0xfe/0x460 [ 422.973211] ? process_timeout+0x40/0x40 [ 422.977515] ? __schedule+0x1ed0/0x1ed0 [ 422.981746] ? find_held_lock+0x36/0x1c0 [ 422.985902] ? prepare_to_swait_event+0x25a/0x800 [ 422.990126] ? __run_timers+0x7da/0xc70 [ 422.994968] ? __init_swait_queue_head+0x150/0x150 [ 422.998839] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.004272] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.008490] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.011840] ? __lockdep_init_map+0x105/0x590 [ 423.015886] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.019844] ? lockdep_init_map+0x9/0x10 [ 423.023890] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 423.028716] schedule_timeout+0x140/0x260 [ 423.032682] ? trace_hardirqs_on+0xbd/0x310 [ 423.037597] ? usleep_range+0x1a0/0x1a0 [ 423.042081] ? kasan_check_read+0x11/0x20 [ 423.047172] ? __next_timer_interrupt+0x1a0/0x1a0 [ 423.051655] ? __run_timers+0x7da/0xc70 [ 423.056133] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.060350] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.064398] rcu_gp_kthread+0x9d9/0x2310 [ 423.068959] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.073113] ? rcu_gp_init+0x1830/0x1830 [ 423.077399] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.081353] ? update_curr+0x344/0xbe0 [ 423.085492] __run_timers+0x7e5/0xc70 [ 423.090317] ? print_usage_bug+0xc0/0xc0 [ 423.094282] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 423.099793] ? __account_cfs_rq_runtime+0x790/0x790 [ 423.105224] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.109269] ? graph_lock+0x170/0x170 [ 423.113489] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.117535] ? graph_lock+0x170/0x170 [ 423.121767] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.125642] ? __lock_acquire+0x7ec/0x4ec0 [ 423.129428] ? trace_hardirqs_on+0xbd/0x310 [ 423.133473] ? __lock_is_held+0xb5/0x140 [ 423.138817] ? kasan_check_read+0x11/0x20 [ 423.138834] ? finish_task_switch+0x1f4/0x910 [ 423.143839] ? update_curr+0x344/0xbe0 [ 423.148314] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.152101] ? rcu_pm_notify+0xc0/0xc0 [ 423.156584] ? compat_start_thread+0x80/0x80 [ 423.160368] ? __account_cfs_rq_runtime+0x790/0x790 [ 423.164966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.169192] ? mark_held_locks+0x130/0x130 [ 423.173509] ? pvclock_read_flags+0x160/0x160 [ 423.177561] ? rcu_read_lock_sched_held+0x108/0x120 [ 423.181697] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.186183] ? rcu_note_context_switch+0x14b6/0x26b0 [ 423.190060] ? check_preemption_disabled+0x48/0x280 [ 423.195509] ? set_next_entity+0x2f0/0xaf0 [ 423.199388] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 423.203778] ? rcu_read_lock_sched_held+0x108/0x120 [ 423.208776] ? rcu_pm_notify+0xc0/0xc0 [ 423.214302] ? pick_next_entity+0x197/0x390 [ 423.218518] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.222999] ? register_lock_class+0xe51/0x29b0 [ 423.228002] ? check_preemption_disabled+0x48/0x280 [ 423.233536] ? graph_lock+0x170/0x170 [ 423.238627] run_timer_softirq+0x52/0xb0 [ 423.243628] ? run_rebalance_domains+0x500/0x500 [ 423.247843] ? rcu_read_lock_sched_held+0x108/0x120 [ 423.253102] ? __update_load_avg_cfs_rq+0x4f0/0x9b0 [ 423.258109] __do_softirq+0x30c/0xb03 [ 423.261983] ? register_lock_class+0xe50/0x29b0 [ 423.266295] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 423.271819] ? mark_held_locks+0x130/0x130 [ 423.276464] ? trace_hardirqs_off+0xb8/0x310 [ 423.281466] ? __schedule+0x150b/0x1ed0 [ 423.285255] ? schedule+0x108/0x460 [ 423.289296] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.294047] ? trace_hardirqs_off+0xb8/0x310 [ 423.299041] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.304043] ? smpboot_thread_fn+0x68b/0xa00 [ 423.307839] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.312508] ? trace_hardirqs_on+0x310/0x310 [ 423.317592] ? trace_hardirqs_on+0xbd/0x310 [ 423.321816] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.326209] ? kasan_check_read+0x11/0x20 [ 423.330180] ? check_preemption_disabled+0x48/0x280 [ 423.333791] ? __schedule+0x150b/0x1ed0 [ 423.338275] ? takeover_tasklets+0xa90/0xa90 [ 423.342679] ? lock_repin_lock+0x430/0x430 [ 423.347168] run_ksoftirqd+0x94/0x100 [ 423.351570] ? __schedule+0x150b/0x1ed0 [ 423.356130] smpboot_thread_fn+0x68b/0xa00 [ 423.360557] ? __switch_to_asm+0x40/0x70 [ 423.364884] ? sort_range+0x30/0x30 [ 423.370416] ? __switch_to_asm+0x40/0x70 [ 423.374579] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.379595] ? graph_lock+0x170/0x170 [ 423.383552] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.387959] ? __sched_text_start+0x8/0x8 [ 423.392214] ? __kthread_parkme+0xfb/0x1a0 [ 423.396039] ? find_held_lock+0x36/0x1c0 [ 423.400010] kthread+0x35a/0x420 [ 423.404233] ? __kthread_parkme+0xce/0x1a0 [ 423.408275] ? sort_range+0x30/0x30 [ 423.411900] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.415949] ? kthread_bind+0x40/0x40 [ 423.421039] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 423.424827] ret_from_fork+0x3a/0x50 [ 423.430366] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.434599] ICMPv6: ndisc: ndisc_alloc_skb failed to allocate an skb [ 423.438740] ? trace_hardirqs_on+0xbd/0x310 [ 423.442896] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.446142] ? kasan_check_read+0x11/0x20 [ 423.450363] ksoftirqd/0 cpuset= [ 423.453982] ? __kthread_parkme+0xce/0x1a0 [ 423.459059] / [ 423.462857] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.467954] mems_allowed=0 [ 423.471659] ? kasan_check_write+0x14/0x20 [ 423.476229] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 423.482710] ? do_raw_spin_lock+0xc1/0x230 [ 423.487036] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 423.487044] Call Trace: [ 423.497350] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.501478] dump_stack+0x1c4/0x2b6 [ 423.504740] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.508958] ? dump_stack_print_info.cold.1+0x20/0x20 [ 423.510684] ? __kthread_parkme+0xfb/0x1a0 [ 423.516124] warn_alloc.cold.119+0xb7/0x1bd [ 423.519033] kthread+0x35a/0x420 [ 423.523264] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 423.530001] ? rcu_gp_init+0x1830/0x1830 [ 423.534222] ? lock_downgrade+0x900/0x900 [ 423.543573] ? kthread_bind+0x40/0x40 [ 423.546145] ? trace_hardirqs_off+0xb8/0x310 [ 423.551236] ret_from_fork+0x3a/0x50 [ 423.554857] ? trace_hardirqs_off+0xb8/0x310 [ 423.560581] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 423.565560] __alloc_pages_slowpath+0x265e/0x2d70 [ 423.569771] syz-executor1 cpuset= [ 423.574123] ? warn_alloc+0x120/0x120 [ 423.577457] syz1 [ 423.582310] ? warn_alloc+0x120/0x120 [ 423.586348] mems_allowed=0 [ 423.590488] ? print_usage_bug+0xc0/0xc0 [ 423.642005] ? warn_alloc+0x120/0x120 [ 423.645824] ? print_usage_bug+0xc0/0xc0 [ 423.649885] ? __alloc_pages_slowpath+0x265e/0x2d70 [ 423.654905] ? print_usage_bug+0xc0/0xc0 [ 423.658969] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 423.664511] ? should_fail+0x22d/0xd01 [ 423.668399] ? mark_held_locks+0x130/0x130 [ 423.672640] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.677772] ? __lock_acquire+0x7ec/0x4ec0 [ 423.682042] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 423.687142] ? should_fail+0x22d/0xd01 [ 423.691074] ? print_usage_bug+0xc0/0xc0 [ 423.695168] ? mark_held_locks+0x130/0x130 [ 423.699422] ? mark_held_locks+0x130/0x130 [ 423.703660] ? print_usage_bug+0xc0/0xc0 [ 423.707732] ? graph_lock+0x170/0x170 [ 423.711530] ? __lock_acquire+0x7ec/0x4ec0 [ 423.715785] ? ret_from_fork+0x3a/0x50 [ 423.719702] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.725240] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.730804] ? check_preemption_disabled+0x48/0x280 [ 423.735910] ? check_preemption_disabled+0x48/0x280 [ 423.740936] ? __lock_is_held+0xb5/0x140 [ 423.745019] __alloc_pages_nodemask+0xa80/0xde0 [ 423.749686] ? graph_lock+0x170/0x170 [ 423.753504] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 423.758532] ? graph_lock+0x170/0x170 [ 423.762348] ? find_held_lock+0x36/0x1c0 [ 423.766448] ? ____cache_alloc_node+0x1c7/0x1e0 [ 423.771122] ? lock_downgrade+0x900/0x900 [ 423.775282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 423.780842] cache_grow_begin+0x91/0x8c0 [ 423.784905] ? do_raw_spin_unlock+0xa7/0x330 [ 423.789337] fallback_alloc+0x203/0x2e0 [ 423.793320] ____cache_alloc_node+0x1c7/0x1e0 [ 423.797830] kmem_cache_alloc_node+0xe3/0x730 [ 423.802325] ? mark_held_locks+0xc7/0x130 [ 423.806487] __alloc_skb+0x119/0x770 [ 423.810206] ? skb_scrub_packet+0x490/0x490 [ 423.814535] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 423.819123] ? queue_work_on+0x12c/0x1e0 [ 423.823197] ? switchdev_port_obj_del+0xdc/0x450 [ 423.827954] ? switchdev_trans_item_enqueue+0x260/0x260 [ 423.833319] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 423.838430] ? mod_timer+0x647/0x1440 [ 423.842240] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 423.847287] __br_mdb_notify+0x4ff/0x15d0 [ 423.851464] ? __br_mdb_add+0x800/0x800 [ 423.855461] ? graph_lock+0x170/0x170 [ 423.859275] ? br_multicast_group_expired+0x96/0x610 [ 423.864386] br_mdb_notify+0x310/0x410 [ 423.868277] ? br_mdb_dump+0x2530/0x2530 [ 423.872352] ? kasan_check_write+0x14/0x20 [ 423.876585] ? do_raw_spin_lock+0xc1/0x230 [ 423.880825] br_multicast_group_expired+0x1bc/0x610 [ 423.885862] ? br_mdb_free+0x80/0x80 [ 423.889586] call_timer_fn+0x272/0x920 [ 423.893500] ? br_mdb_free+0x80/0x80 [ 423.897219] ? process_timeout+0x40/0x40 [ 423.901278] ? find_held_lock+0x36/0x1c0 [ 423.905348] ? __run_timers+0x7da/0xc70 [ 423.909322] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.913816] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.918309] ? br_mdb_free+0x80/0x80 [ 423.922124] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 423.926715] ? trace_hardirqs_on+0xbd/0x310 [ 423.931036] ? kasan_check_read+0x11/0x20 [ 423.935190] ? __run_timers+0x7da/0xc70 [ 423.939170] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.944630] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 423.948869] ? br_mdb_free+0x80/0x80 [ 423.952602] __run_timers+0x7e5/0xc70 [ 423.956446] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 423.961812] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.966306] ? _raw_spin_unlock_irq+0x27/0x80 [ 423.970804] ? lockdep_hardirqs_on+0x421/0x5c0 [ 423.975385] ? trace_hardirqs_on+0xbd/0x310 [ 423.979707] ? kasan_check_read+0x11/0x20 [ 423.983859] ? finish_task_switch+0x1f4/0x910 [ 423.988354] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 423.993803] ? compat_start_thread+0x80/0x80 [ 423.998219] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.003772] ? pvclock_read_flags+0x160/0x160 [ 424.008268] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.013807] ? check_preemption_disabled+0x48/0x280 [ 424.018835] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 424.024126] ? rcu_pm_notify+0xc0/0xc0 [ 424.028020] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.033560] ? check_preemption_disabled+0x48/0x280 [ 424.038601] run_timer_softirq+0x52/0xb0 [ 424.042661] ? rcu_read_lock_sched_held+0x108/0x120 [ 424.047679] __do_softirq+0x30c/0xb03 [ 424.051492] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.056594] ? trace_hardirqs_off+0xb8/0x310 [ 424.061013] ? schedule+0x108/0x460 [ 424.064654] ? trace_hardirqs_off+0xb8/0x310 [ 424.069062] ? smpboot_thread_fn+0x68b/0xa00 [ 424.073512] ? trace_hardirqs_on+0x310/0x310 [ 424.077939] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.083483] ? check_preemption_disabled+0x48/0x280 [ 424.088535] ? takeover_tasklets+0xa90/0xa90 [ 424.092961] run_ksoftirqd+0x94/0x100 [ 424.096761] smpboot_thread_fn+0x68b/0xa00 [ 424.101015] ? sort_range+0x30/0x30 [ 424.104650] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 424.109753] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.115290] ? __kthread_parkme+0xfb/0x1a0 [ 424.119565] kthread+0x35a/0x420 [ 424.122931] ? sort_range+0x30/0x30 [ 424.126566] ? kthread_bind+0x40/0x40 [ 424.130385] ret_from_fork+0x3a/0x50 [ 424.134116] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 424.134133] warn_alloc_show_mem: 1 callbacks suppressed [ 424.134137] Mem-Info: [ 424.141416] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 424.146787] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 424.146787] active_file:15 inactive_file:13 isolated_file:0 [ 424.146787] unevictable:0 dirty:0 writeback:0 unstable:0 [ 424.146787] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 424.146787] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 424.146787] free:13788 free_pcp:609 free_cma:0 [ 424.149169] Call Trace: [ 424.158555] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 424.191418] [ 424.193992] Node 0 [ 424.221501] dump_stack+0x1c4/0x2b6 [ 424.223643] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 424.225855] ? dump_stack_print_info.cold.1+0x20/0x20 [ 424.229457] lowmem_reserve[]: [ 424.254965] warn_alloc.cold.119+0xb7/0x1bd [ 424.260122] 0 [ 424.263233] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 424.267531] 2819 [ 424.269329] ? lock_downgrade+0x900/0x900 [ 424.274144] 6323 [ 424.276220] ? trace_hardirqs_off+0xb8/0x310 [ 424.280345] 6323 [ 424.282431] ? trace_hardirqs_off+0xb8/0x310 [ 424.286819] Node 0 [ 424.288879] __alloc_pages_slowpath+0x265e/0x2d70 [ 424.293279] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 424.295507] ? warn_alloc+0x120/0x120 [ 424.300303] lowmem_reserve[]: [ 424.327191] ? mark_held_locks+0x130/0x130 [ 424.330965] 0 [ 424.334062] ? warn_alloc+0x120/0x120 [ 424.338276] 0 [ 424.340074] ? print_usage_bug+0xc0/0xc0 [ 424.343852] 3503 [ 424.345649] ? warn_alloc+0x120/0x120 [ 424.349682] 3503 [ 424.351760] ? print_usage_bug+0xc0/0xc0 [ 424.355538] Node 0 [ 424.357593] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.361681] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 424.363902] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 424.369069] lowmem_reserve[]: [ 424.397449] ? should_fail+0x22d/0xd01 [ 424.402978] 0 [ 424.406083] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.409942] 0 [ 424.411752] ? __lock_acquire+0x7ec/0x4ec0 [ 424.416827] 0 [ 424.418628] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 424.422859] 0 [ 424.424677] ? __lock_acquire+0x7ec/0x4ec0 [ 424.429757] Node 0 [ 424.431552] ? should_fail+0x22d/0xd01 [ 424.435765] DMA: [ 424.438018] ? mark_held_locks+0x130/0x130 [ 424.441897] 1*4kB [ 424.443954] ? mark_held_locks+0x130/0x130 [ 424.448167] (U) [ 424.450314] ? find_held_lock+0x36/0x1c0 [ 424.454521] 0*8kB [ 424.456530] ? graph_lock+0x170/0x170 [ 424.460567] 0*16kB [ 424.462714] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.466486] 1*32kB [ 424.468729] ? check_preemption_disabled+0x48/0x280 [ 424.474240] (U) [ 424.476471] ? check_preemption_disabled+0x48/0x280 [ 424.481463] 2*64kB [ 424.483439] ? __lock_is_held+0xb5/0x140 [ 424.488430] (U) [ 424.490678] __alloc_pages_nodemask+0xa80/0xde0 [ 424.494707] 1*128kB (U) [ 424.496682] ? graph_lock+0x170/0x170 [ 424.501332] 1*256kB [ 424.503999] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 424.507771] (U) [ 424.510085] ? graph_lock+0x170/0x170 [ 424.515093] 0*512kB [ 424.517072] ? find_held_lock+0x36/0x1c0 [ 424.520855] 1*1024kB [ 424.523182] ? ____cache_alloc_node+0x1c7/0x1e0 [ 424.527217] (U) [ 424.529630] ? lock_downgrade+0x900/0x900 [ 424.534282] 1*2048kB [ 424.536254] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.540373] (M) [ 424.542796] cache_grow_begin+0x91/0x8c0 [ 424.548322] 3*4096kB [ 424.550294] ? do_raw_spin_unlock+0xa7/0x330 [ 424.554327] (M) [ 424.556738] fallback_alloc+0x203/0x2e0 [ 424.561120] = 15908kB [ 424.563122] ____cache_alloc_node+0x1c7/0x1e0 [ 424.567084] Node 0 [ 424.569494] kmem_cache_alloc_node+0xe3/0x730 [ 424.573960] DMA32: [ 424.576206] ? mark_held_locks+0xc7/0x130 [ 424.580677] 5*4kB [ 424.582931] __alloc_skb+0x119/0x770 [ 424.587042] (UM) [ 424.589202] ? skb_scrub_packet+0x490/0x490 [ 424.592885] 0*8kB 3*16kB [ 424.594953] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 424.599248] (UM) [ 424.602004] ? queue_work_on+0x12c/0x1e0 [ 424.606559] 2*32kB [ 424.608618] ? switchdev_port_obj_del+0xdc/0x450 [ 424.612651] (M) [ 424.614882] ? switchdev_trans_item_enqueue+0x260/0x260 [ 424.619613] 5*64kB [ 424.621585] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 424.626949] (UM) 4*128kB [ 424.629214] __br_mdb_notify+0x4ff/0x15d0 [ 424.634220] (UM) [ 424.636986] ? __br_mdb_add+0x800/0x800 [ 424.641110] 3*256kB [ 424.643185] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.647147] (M) [ 424.649834] ? graph_lock+0x170/0x170 [ 424.655373] 4*512kB [ 424.657343] ? br_multicast_group_expired+0x96/0x610 [ 424.661118] (UM) [ 424.663440] ? lock_downgrade+0x900/0x900 [ 424.668549] 3*1024kB [ 424.670607] br_mdb_notify+0x310/0x410 [ 424.674731] (UM) [ 424.677139] ? br_mdb_dump+0x2530/0x2530 [ 424.681013] 3*2048kB [ 424.683073] ? kasan_check_write+0x14/0x20 [ 424.687105] (M) [ 424.689539] ? do_raw_spin_lock+0xc1/0x230 [ 424.693762] 3*4096kB [ 424.695761] br_multicast_group_expired+0x1bc/0x610 [ 424.699975] (M) = 25284kB [ 424.702383] ? br_mdb_free+0x80/0x80 [ 424.707394] Node 0 [ 424.710162] call_timer_fn+0x272/0x920 [ 424.713837] Normal: 888*4kB [ 424.716068] ? br_mdb_free+0x80/0x80 [ 424.719926] (UMEH) 387*8kB [ 424.722953] ? process_timeout+0x40/0x40 [ 424.726642] (UME) [ 424.729564] ? find_held_lock+0x36/0x1c0 [ 424.733647] 157*16kB [ 424.735798] ? __run_timers+0x7da/0xc70 [ 424.739829] (UME) [ 424.742233] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.746208] 53*32kB [ 424.748346] ? _raw_spin_unlock_irq+0x27/0x80 [ 424.752813] (UMEH) 26*64kB [ 424.755136] ? br_mdb_free+0x80/0x80 [ 424.759619] (UMH) [ 424.762550] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 424.766241] 4*128kB [ 424.768383] ? trace_hardirqs_on+0xbd/0x310 [ 424.772940] (UMH) [ 424.775259] ? kasan_check_read+0x11/0x20 [ 424.779568] 0*256kB [ 424.781728] ? __run_timers+0x7da/0xc70 [ 424.786013] 0*512kB 1*1024kB [ 424.788350] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 424.792297] (H) [ 424.795399] ? br_mdb_free+0x80/0x80 [ 424.800824] 0*2048kB [ 424.802809] ? br_mdb_free+0x80/0x80 [ 424.806500] 0*4096kB [ 424.808939] __run_timers+0x7e5/0xc70 [ 424.812626] = 14056kB [ 424.815037] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 424.818812] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 424.821212] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 424.826553] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 424.835370] ? graph_lock+0x170/0x170 [ 424.840363] 147 total pagecache pages [ 424.848932] ? enqueue_hrtimer+0x1a5/0x560 [ 424.852722] 0 pages in swap cache [ 424.856528] ? lock_release+0x970/0x970 [ 424.860743] Swap cache stats: add 0, delete 0, find 0/0 [ 424.864190] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 424.868143] Free swap = 0kB [ 424.873519] ? find_held_lock+0x36/0x1c0 [ 424.878714] Total swap = 0kB [ 424.881729] ? graph_lock+0x170/0x170 [ 424.885763] 1965979 pages RAM [ 424.888775] ? pvclock_read_flags+0x160/0x160 [ 424.892566] 0 pages HighMem/MovableOnly [ 424.895668] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.900132] 342307 pages reserved [ 424.900140] 0 pages cma reserved [ 424.904119] ? check_preemption_disabled+0x48/0x280 [ 424.909790] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 424.913093] ? __lock_is_held+0xb5/0x140 [ 424.916626] ksoftirqd/0 cpuset= [ 424.921641] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.931932] / [ 424.935992] ? check_preemption_disabled+0x48/0x280 [ 424.939262] mems_allowed=0 [ 424.944794] run_timer_softirq+0x52/0xb0 [ 424.958448] ? rcu_read_lock_sched_held+0x108/0x120 [ 424.963496] __do_softirq+0x30c/0xb03 [ 424.967312] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 424.972433] ? pvclock_read_flags+0x160/0x160 [ 424.976929] ? lapic_next_event+0x5a/0x90 [ 424.981184] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 424.986735] ? check_preemption_disabled+0x48/0x280 [ 424.991750] ? check_preemption_disabled+0x48/0x280 [ 424.996772] ? kvm_clock_read+0x18/0x30 [ 425.000741] ? kvm_sched_clock_read+0x9/0x20 [ 425.005161] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.010722] ? check_preemption_disabled+0x48/0x280 [ 425.015765] irq_exit+0x17f/0x1c0 [ 425.019220] smp_apic_timer_interrupt+0x1cb/0x760 [ 425.024060] ? smp_reschedule_interrupt+0x109/0x650 [ 425.029077] ? smp_call_function_single_interrupt+0x650/0x650 [ 425.034964] ? interrupt_entry+0xb5/0xf0 [ 425.039027] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.044054] ? trace_hardirqs_off_caller+0xbb/0x310 [ 425.049070] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.053915] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.058940] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.063958] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.069513] ? check_preemption_disabled+0x48/0x280 [ 425.074529] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.080072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.084922] apic_timer_interrupt+0xf/0x20 [ 425.089166] [ 425.091421] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 425.096364] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 425.115259] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 425.122966] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 425.130229] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 425.137496] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 425.144761] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 425.152026] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 425.159335] skb_clone+0x1bb/0x500 [ 425.162879] ? finish_task_switch+0x1b4/0x910 [ 425.167373] ? skb_split+0x11e0/0x11e0 [ 425.171263] ? preempt_notifier_register+0x200/0x200 [ 425.176381] ? __switch_to_asm+0x34/0x70 [ 425.180441] ? __switch_to_asm+0x34/0x70 [ 425.184518] ? __switch_to_asm+0x40/0x70 [ 425.188578] ? __switch_to_asm+0x34/0x70 [ 425.192634] ? __switch_to_asm+0x40/0x70 [ 425.196723] ? __switch_to_asm+0x34/0x70 [ 425.200780] ? __switch_to_asm+0x40/0x70 [ 425.204851] ? __switch_to_asm+0x34/0x70 [ 425.208927] ? __switch_to_asm+0x34/0x70 [ 425.212986] ? __switch_to_asm+0x40/0x70 [ 425.217041] ? __switch_to_asm+0x34/0x70 [ 425.221130] bpf_clone_redirect+0xb9/0x490 [ 425.225385] ? __schedule+0x874/0x1ed0 [ 425.229281] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 425.234297] ? __sched_text_start+0x8/0x8 [ 425.238460] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.243067] ? retint_kernel+0x2d/0x2d [ 425.246958] ? trace_hardirqs_on_caller+0xc0/0x310 [ 425.251918] ? find_held_lock+0x36/0x1c0 [ 425.256006] ? lock_acquire+0x1ed/0x520 [ 425.259994] ? bpf_test_run+0x32e/0x5a0 [ 425.263973] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.269527] ? check_preemption_disabled+0x48/0x280 [ 425.274554] ? kasan_check_read+0x11/0x20 [ 425.278707] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.283984] ? rcu_bh_qs+0xc0/0xc0 [ 425.287541] ? preempt_schedule+0x4d/0x60 [ 425.291688] ? ___preempt_schedule+0x16/0x18 [ 425.296100] ? bpf_test_run+0x1c0/0x5a0 [ 425.300106] ? netlink_diag_dump+0x2a0/0x2a0 [ 425.304515] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.310064] ? bpf_test_init.isra.9+0x70/0x100 [ 425.314649] ? bpf_prog_test_run_skb+0x634/0xb40 [ 425.319414] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 425.324257] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 425.329790] ? fput+0x130/0x1a0 [ 425.333070] ? __bpf_prog_get+0x9b/0x290 [ 425.337136] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 425.341981] ? bpf_prog_test_run+0x130/0x1a0 [ 425.346395] ? __x64_sys_bpf+0x3d8/0x510 [ 425.350456] ? bpf_prog_get+0x20/0x20 [ 425.354276] ? do_syscall_64+0x1b9/0x820 [ 425.358352] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 425.363719] ? syscall_return_slowpath+0x5e0/0x5e0 [ 425.368649] ? trace_hardirqs_on_caller+0x310/0x310 [ 425.373681] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 425.378723] ? recalc_sigpending_tsk+0x180/0x180 [ 425.383511] ? kasan_check_write+0x14/0x20 [ 425.387756] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 425.392607] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 425.397989] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 425.398149] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 425.404748] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.415216] syz-executor1 cpuset= [ 425.424587] Call Trace: [ 425.424590] syz1 mems_allowed=0 [ 425.428048] dump_stack+0x1c4/0x2b6 [ 425.437508] ? dump_stack_print_info.cold.1+0x20/0x20 [ 425.442712] warn_alloc.cold.119+0xb7/0x1bd [ 425.447042] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 425.451888] ? lock_downgrade+0x900/0x900 [ 425.456058] ? trace_hardirqs_off+0xb8/0x310 [ 425.460476] ? trace_hardirqs_off+0xb8/0x310 [ 425.464895] __alloc_pages_slowpath+0x265e/0x2d70 [ 425.469771] ? warn_alloc+0x120/0x120 [ 425.473577] ? warn_alloc+0x120/0x120 [ 425.477390] ? print_usage_bug+0xc0/0xc0 [ 425.481462] ? warn_alloc+0x120/0x120 [ 425.485264] ? print_usage_bug+0xc0/0xc0 [ 425.489327] ? __alloc_pages_slowpath+0x265e/0x2d70 [ 425.494350] ? print_usage_bug+0xc0/0xc0 [ 425.498416] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.503959] ? should_fail+0x22d/0xd01 [ 425.507847] ? mark_held_locks+0x130/0x130 [ 425.512085] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.517189] ? __lock_acquire+0x7ec/0x4ec0 [ 425.521436] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 425.526542] ? should_fail+0x22d/0xd01 [ 425.530462] ? print_usage_bug+0xc0/0xc0 [ 425.534561] ? mark_held_locks+0x130/0x130 [ 425.538800] ? mark_held_locks+0x130/0x130 [ 425.543035] ? print_usage_bug+0xc0/0xc0 [ 425.547106] ? graph_lock+0x170/0x170 [ 425.550910] ? ret_from_fork+0x3a/0x50 [ 425.554806] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.560343] ? check_preemption_disabled+0x48/0x280 [ 425.565361] ? check_preemption_disabled+0x48/0x280 [ 425.570387] ? __lock_is_held+0xb5/0x140 [ 425.574463] __alloc_pages_nodemask+0xa80/0xde0 [ 425.579131] ? graph_lock+0x170/0x170 [ 425.582954] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 425.587969] ? graph_lock+0x170/0x170 [ 425.591781] ? find_held_lock+0x36/0x1c0 [ 425.595852] ? ____cache_alloc_node+0x1c7/0x1e0 [ 425.600524] ? lock_downgrade+0x900/0x900 [ 425.604681] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.610227] cache_grow_begin+0x91/0x8c0 [ 425.614322] ? do_raw_spin_unlock+0xa7/0x330 [ 425.618740] fallback_alloc+0x203/0x2e0 [ 425.622751] ____cache_alloc_node+0x1c7/0x1e0 [ 425.627265] kmem_cache_alloc_node+0xe3/0x730 [ 425.631766] ? mark_held_locks+0xc7/0x130 [ 425.635929] __alloc_skb+0x119/0x770 [ 425.639652] ? skb_scrub_packet+0x490/0x490 [ 425.643977] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 425.648566] ? queue_work_on+0x12c/0x1e0 [ 425.652646] ? switchdev_port_obj_del+0xdc/0x450 [ 425.657399] ? switchdev_trans_item_enqueue+0x260/0x260 [ 425.662770] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 425.667804] __br_mdb_notify+0x4ff/0x15d0 [ 425.671962] ? __br_mdb_add+0x800/0x800 [ 425.675982] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.681526] ? check_preemption_disabled+0x48/0x280 [ 425.686553] ? graph_lock+0x170/0x170 [ 425.690364] ? br_multicast_group_expired+0x96/0x610 [ 425.695465] ? lock_downgrade+0x900/0x900 [ 425.699636] br_mdb_notify+0x310/0x410 [ 425.703526] ? br_mdb_dump+0x2530/0x2530 [ 425.707589] ? kasan_check_write+0x14/0x20 [ 425.711824] ? do_raw_spin_lock+0xc1/0x230 [ 425.716061] br_multicast_group_expired+0x1bc/0x610 [ 425.721110] ? br_mdb_free+0x80/0x80 [ 425.724864] call_timer_fn+0x272/0x920 [ 425.728749] ? br_mdb_free+0x80/0x80 [ 425.732464] ? process_timeout+0x40/0x40 [ 425.736521] ? find_held_lock+0x36/0x1c0 [ 425.740637] ? __run_timers+0x7da/0xc70 [ 425.744621] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.749129] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.753626] ? br_mdb_free+0x80/0x80 [ 425.757368] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 425.761969] ? trace_hardirqs_on+0xbd/0x310 [ 425.766350] ? kasan_check_read+0x11/0x20 [ 425.770496] ? __run_timers+0x7da/0xc70 [ 425.774469] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.779917] ? br_mdb_free+0x80/0x80 [ 425.783630] ? br_mdb_free+0x80/0x80 [ 425.787343] __run_timers+0x7e5/0xc70 [ 425.791165] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 425.796538] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.801038] ? _raw_spin_unlock_irq+0x27/0x80 [ 425.805550] ? lockdep_hardirqs_on+0x421/0x5c0 [ 425.810135] ? trace_hardirqs_on+0xbd/0x310 [ 425.814461] ? kasan_check_read+0x11/0x20 [ 425.818638] ? finish_task_switch+0x1f4/0x910 [ 425.823158] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 425.828606] ? compat_start_thread+0x80/0x80 [ 425.833013] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.838596] ? pvclock_read_flags+0x160/0x160 [ 425.843091] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.848628] ? check_preemption_disabled+0x48/0x280 [ 425.853659] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 425.858935] ? rcu_pm_notify+0xc0/0xc0 [ 425.862822] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 425.868354] ? check_preemption_disabled+0x48/0x280 [ 425.873374] run_timer_softirq+0x52/0xb0 [ 425.877440] ? rcu_read_lock_sched_held+0x108/0x120 [ 425.882460] __do_softirq+0x30c/0xb03 [ 425.886269] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 425.891400] ? trace_hardirqs_off+0xb8/0x310 [ 425.895852] ? schedule+0x108/0x460 [ 425.899491] ? trace_hardirqs_off+0xb8/0x310 [ 425.903899] ? smpboot_thread_fn+0x68b/0xa00 [ 425.908306] ? trace_hardirqs_on+0x310/0x310 [ 425.912712] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.918249] ? check_preemption_disabled+0x48/0x280 [ 425.923266] ? takeover_tasklets+0xa90/0xa90 [ 425.927693] run_ksoftirqd+0x94/0x100 [ 425.931508] smpboot_thread_fn+0x68b/0xa00 [ 425.935746] ? sort_range+0x30/0x30 [ 425.939375] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 425.944478] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 425.950012] ? __kthread_parkme+0xfb/0x1a0 [ 425.954245] kthread+0x35a/0x420 [ 425.957611] ? sort_range+0x30/0x30 [ 425.961247] ? kthread_bind+0x40/0x40 [ 425.965054] ret_from_fork+0x3a/0x50 [ 425.968780] warn_alloc_show_mem: 1 callbacks suppressed [ 425.968792] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 425.968794] Mem-Info: [ 425.968824] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 425.968824] active_file:15 inactive_file:13 isolated_file:0 [ 425.968824] unevictable:0 dirty:0 writeback:0 unstable:0 [ 425.968824] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 425.968824] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 425.968824] free:13788 free_pcp:609 free_cma:0 [ 425.974169] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 425.981451] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 425.983844] Call Trace: [ 426.016731] Node 0 [ 426.026075] [ 426.053587] 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 [ 426.056171] dump_stack+0x1c4/0x2b6 [ 426.058397] lowmem_reserve[]: [ 426.060576] ? dump_stack_print_info.cold.1+0x20/0x20 [ 426.086050] 0 [ 426.089683] warn_alloc.cold.119+0xb7/0x1bd [ 426.092752] 2819 [ 426.097952] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 426.099725] 6323 [ 426.104040] ? lock_downgrade+0x900/0x900 [ 426.106095] 6323 [ 426.110950] ? trace_hardirqs_off+0xb8/0x310 [ 426.117126] ? trace_hardirqs_off+0xb8/0x310 [ 426.119181] Node 0 [ 426.123606] __alloc_pages_slowpath+0x265e/0x2d70 [ 426.128011] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 426.130240] ? warn_alloc+0x120/0x120 [ 426.135046] lowmem_reserve[]: [ 426.161934] ? mark_held_locks+0x130/0x130 [ 426.165728] 0 [ 426.168832] ? warn_alloc+0x120/0x120 [ 426.173042] 0 [ 426.174837] ? print_usage_bug+0xc0/0xc0 [ 426.178611] 3503 [ 426.180406] ? warn_alloc+0x120/0x120 [ 426.184457] 3503 [ 426.186515] ? print_usage_bug+0xc0/0xc0 [ 426.192348] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.196383] Node 0 Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 426.201612] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 426.201630] ? should_fail+0x22d/0xd01 [ 426.230572] lowmem_reserve[]: 0 [ 426.236117] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.239971] 0 0 [ 426.243269] ? __lock_acquire+0x7ec/0x4ec0 [ 426.248346] 0 [ 426.250318] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 426.256339] ? __lock_acquire+0x7ec/0x4ec0 [ 426.261418] Node 0 [ 426.265664] ? should_fail+0x22d/0xd01 [ 426.265673] DMA: [ 426.267922] ? mark_held_locks+0x130/0x130 [ 426.271778] 1*4kB [ 426.273836] ? mark_held_locks+0x130/0x130 [ 426.278046] (U) [ 426.280194] ? find_held_lock+0x36/0x1c0 [ 426.284421] 0*8kB [ 426.286390] ? graph_lock+0x170/0x170 [ 426.290421] 0*16kB 1*32kB [ 426.292575] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.296348] (U) [ 426.299191] ? check_preemption_disabled+0x48/0x280 [ 426.304701] 2*64kB [ 426.306669] ? check_preemption_disabled+0x48/0x280 [ 426.311656] (U) [ 426.313891] ? __lock_is_held+0xb5/0x140 [ 426.318875] 1*128kB [ 426.320856] __alloc_pages_nodemask+0xa80/0xde0 [ 426.324882] (U) 1*256kB [ 426.327208] ? graph_lock+0x170/0x170 [ 426.331851] (U) [ 426.334520] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 426.338296] 0*512kB [ 426.340262] ? graph_lock+0x170/0x170 [ 426.345254] 1*1024kB [ 426.347577] ? find_held_lock+0x36/0x1c0 [ 426.351358] (U) [ 426.353773] ? ____cache_alloc_node+0x1c7/0x1e0 [ 426.357806] 1*2048kB [ 426.359793] ? lock_downgrade+0x900/0x900 [ 426.364441] (M) [ 426.366849] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.370966] 3*4096kB [ 426.372945] cache_grow_begin+0x91/0x8c0 [ 426.378452] (M) [ 426.380857] ? do_raw_spin_unlock+0xa7/0x330 [ 426.384890] = 15908kB [ 426.386874] fallback_alloc+0x203/0x2e0 [ 426.391261] Node 0 [ 426.393679] ____cache_alloc_node+0x1c7/0x1e0 [ 426.397625] DMA32: [ 426.399905] kmem_cache_alloc_node+0xe3/0x730 [ 426.404374] 5*4kB [ 426.406600] ? mark_held_locks+0xc7/0x130 [ 426.411072] (UM) [ 426.413223] __alloc_skb+0x119/0x770 [ 426.417343] 0*8kB [ 426.419398] ? skb_scrub_packet+0x490/0x490 [ 426.423086] 3*16kB [ 426.425229] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 426.429522] (UM) [ 426.431769] ? queue_work_on+0x12c/0x1e0 [ 426.436326] 2*32kB [ 426.438383] ? switchdev_port_obj_del+0xdc/0x450 [ 426.442420] (M) [ 426.444649] ? switchdev_trans_item_enqueue+0x260/0x260 [ 426.449420] 5*64kB [ 426.451388] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 426.456738] (UM) [ 426.458982] __br_mdb_notify+0x4ff/0x15d0 [ 426.463980] 4*128kB [ 426.466041] ? __br_mdb_add+0x800/0x800 [ 426.470165] (UM) [ 426.472487] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.476453] 3*256kB [ 426.478514] ? graph_lock+0x170/0x170 [ 426.484017] (M) [ 426.486340] ? br_multicast_group_expired+0x96/0x610 [ 426.490112] 4*512kB [ 426.492097] ? lock_downgrade+0x900/0x900 [ 426.497176] (UM) [ 426.499497] br_mdb_notify+0x310/0x410 [ 426.503612] 3*1024kB (UM) [ 426.505674] ? br_mdb_dump+0x2530/0x2530 [ 426.509566] 3*2048kB [ 426.512403] ? kasan_check_write+0x14/0x20 [ 426.516441] (M) [ 426.518848] ? do_raw_spin_lock+0xc1/0x230 [ 426.523061] 3*4096kB [ 426.525048] br_multicast_group_expired+0x1bc/0x610 [ 426.529320] (M) = 25284kB [ 426.531729] ? br_mdb_free+0x80/0x80 [ 426.536743] Node 0 [ 426.539519] call_timer_fn+0x272/0x920 [ 426.543208] Normal: [ 426.545435] ? br_mdb_free+0x80/0x80 [ 426.545450] ? process_timeout+0x40/0x40 [ 426.549353] 888*4kB [ 426.551681] ? find_held_lock+0x36/0x1c0 [ 426.555371] (UMEH) [ 426.559429] ? __run_timers+0x7da/0xc70 [ 426.561726] 387*8kB (UME) [ 426.565805] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.568018] 157*16kB [ 426.571998] ? _raw_spin_unlock_irq+0x27/0x80 [ 426.574830] (UME) [ 426.579319] ? br_mdb_free+0x80/0x80 [ 426.581701] 53*32kB (UMEH) [ 426.586197] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 426.588337] 26*64kB (UMH) [ 426.592052] ? trace_hardirqs_on+0xbd/0x310 [ 426.594961] 4*128kB [ 426.599540] ? kasan_check_read+0x11/0x20 [ 426.602356] (UMH) [ 426.606672] ? __run_timers+0x7da/0xc70 [ 426.608974] 0*256kB [ 426.613110] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 426.615252] 0*512kB [ 426.619242] ? br_mdb_free+0x80/0x80 [ 426.621543] 1*1024kB [ 426.626982] ? br_mdb_free+0x80/0x80 [ 426.629283] (H) [ 426.633008] __run_timers+0x7e5/0xc70 [ 426.635399] 0*2048kB [ 426.639115] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 426.641057] 0*4096kB [ 426.644848] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 426.647234] = 14056kB [ 426.652584] ? graph_lock+0x170/0x170 [ 426.654980] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 426.659992] ? enqueue_hrtimer+0x1a5/0x560 [ 426.662388] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 426.666183] ? lock_release+0x970/0x970 [ 426.674999] 147 total pagecache pages [ 426.679224] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 426.687783] 0 pages in swap cache [ 426.691747] ? find_held_lock+0x36/0x1c0 [ 426.695522] Swap cache stats: add 0, delete 0, find 0/0 [ 426.695530] Free swap = 0kB [ 426.700715] ? graph_lock+0x170/0x170 [ 426.704167] Total swap = 0kB [ 426.708232] ? pvclock_read_flags+0x160/0x160 [ 426.713570] 1965979 pages RAM [ 426.716582] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.720351] 0 pages HighMem/MovableOnly [ 426.720359] 342307 pages reserved [ 426.723402] ? check_preemption_disabled+0x48/0x280 [ 426.727888] 0 pages cma reserved [ 426.731007] ? __lock_is_held+0xb5/0x140 [ 426.736712] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 426.740482] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.743932] ksoftirqd/0 cpuset= [ 426.748947] ? check_preemption_disabled+0x48/0x280 [ 426.752286] / [ 426.756342] run_timer_softirq+0x52/0xb0 [ 426.766658] mems_allowed=0 [ 426.772193] ? rcu_read_lock_sched_held+0x108/0x120 [ 426.794353] __do_softirq+0x30c/0xb03 [ 426.798185] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 426.803325] ? pvclock_read_flags+0x160/0x160 [ 426.807819] ? lapic_next_event+0x5a/0x90 [ 426.811967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.817517] ? check_preemption_disabled+0x48/0x280 [ 426.822575] ? check_preemption_disabled+0x48/0x280 [ 426.827597] ? kvm_clock_read+0x18/0x30 [ 426.831571] ? kvm_sched_clock_read+0x9/0x20 [ 426.835993] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.841561] ? check_preemption_disabled+0x48/0x280 [ 426.846594] irq_exit+0x17f/0x1c0 [ 426.850047] smp_apic_timer_interrupt+0x1cb/0x760 [ 426.854893] ? smp_reschedule_interrupt+0x109/0x650 [ 426.859935] ? smp_call_function_single_interrupt+0x650/0x650 [ 426.865830] ? interrupt_entry+0xb5/0xf0 [ 426.869895] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.874932] ? trace_hardirqs_off_caller+0xbb/0x310 [ 426.879982] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.884853] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.889867] ? trace_hardirqs_on_caller+0x310/0x310 [ 426.894887] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.900437] ? check_preemption_disabled+0x48/0x280 [ 426.905463] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 426.911010] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 426.916347] apic_timer_interrupt+0xf/0x20 [ 426.920576] [ 426.922818] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 426.927751] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 426.946649] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 426.954380] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 426.962187] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 426.969454] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 426.976727] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 426.983994] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 426.991302] skb_clone+0x1bb/0x500 [ 426.994880] ? finish_task_switch+0x1b4/0x910 [ 426.999378] ? skb_split+0x11e0/0x11e0 [ 427.003280] ? preempt_notifier_register+0x200/0x200 [ 427.008397] ? __switch_to_asm+0x34/0x70 [ 427.012455] ? __switch_to_asm+0x34/0x70 [ 427.016529] ? __switch_to_asm+0x40/0x70 [ 427.020585] ? __switch_to_asm+0x34/0x70 [ 427.024678] ? __switch_to_asm+0x40/0x70 [ 427.028739] ? __switch_to_asm+0x34/0x70 [ 427.032801] ? __switch_to_asm+0x40/0x70 [ 427.036859] ? __switch_to_asm+0x34/0x70 [ 427.040916] ? __switch_to_asm+0x34/0x70 [ 427.045045] ? __switch_to_asm+0x40/0x70 [ 427.049100] ? __switch_to_asm+0x34/0x70 [ 427.053188] bpf_clone_redirect+0xb9/0x490 [ 427.057456] ? __schedule+0x874/0x1ed0 [ 427.061430] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 427.066465] ? __sched_text_start+0x8/0x8 [ 427.070617] ? lockdep_hardirqs_on+0x421/0x5c0 [ 427.075211] ? retint_kernel+0x2d/0x2d [ 427.079098] ? trace_hardirqs_on_caller+0xc0/0x310 [ 427.084031] ? find_held_lock+0x36/0x1c0 [ 427.088125] ? lock_acquire+0x1ed/0x520 [ 427.092114] ? bpf_test_run+0x32e/0x5a0 [ 427.096088] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.101625] ? check_preemption_disabled+0x48/0x280 [ 427.106649] ? kasan_check_read+0x11/0x20 [ 427.110797] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.116075] ? rcu_bh_qs+0xc0/0xc0 [ 427.119615] ? preempt_schedule+0x4d/0x60 [ 427.123802] ? ___preempt_schedule+0x16/0x18 [ 427.128235] ? bpf_test_run+0x1c0/0x5a0 [ 427.132272] ? netlink_diag_dump+0x2a0/0x2a0 [ 427.136698] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.142233] ? bpf_test_init.isra.9+0x70/0x100 [ 427.146816] ? bpf_prog_test_run_skb+0x634/0xb40 [ 427.151604] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 427.156444] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 427.161983] ? fput+0x130/0x1a0 [ 427.165281] ? __bpf_prog_get+0x9b/0x290 [ 427.169346] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 427.174200] ? bpf_prog_test_run+0x130/0x1a0 [ 427.178614] ? __x64_sys_bpf+0x3d8/0x510 [ 427.182674] ? bpf_prog_get+0x20/0x20 [ 427.186495] ? do_syscall_64+0x1b9/0x820 [ 427.190554] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 427.195943] ? syscall_return_slowpath+0x5e0/0x5e0 [ 427.200877] ? trace_hardirqs_on_caller+0x310/0x310 [ 427.205890] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 427.210904] ? recalc_sigpending_tsk+0x180/0x180 [ 427.215664] ? kasan_check_write+0x14/0x20 [ 427.219904] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 427.224756] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 427.230133] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 427.230317] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 427.236900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.247366] syz-executor1 cpuset= [ 427.256696] Call Trace: [ 427.256704] syz1 [ 427.260186] dump_stack+0x1c4/0x2b6 [ 427.262772] mems_allowed=0 [ 427.264745] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.276464] warn_alloc.cold.119+0xb7/0x1bd [ 427.280786] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.285637] ? lock_downgrade+0x900/0x900 [ 427.289928] ? trace_hardirqs_off+0xb8/0x310 [ 427.294347] ? trace_hardirqs_off+0xb8/0x310 [ 427.298764] __alloc_pages_slowpath+0x265e/0x2d70 [ 427.303665] ? warn_alloc+0x120/0x120 [ 427.307502] ? warn_alloc+0x120/0x120 [ 427.311303] ? print_usage_bug+0xc0/0xc0 [ 427.315365] ? warn_alloc+0x120/0x120 [ 427.319187] ? print_usage_bug+0xc0/0xc0 [ 427.323273] ? __alloc_pages_slowpath+0x265e/0x2d70 [ 427.328293] ? print_usage_bug+0xc0/0xc0 [ 427.332375] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.337913] ? should_fail+0x22d/0xd01 [ 427.341800] ? mark_held_locks+0x130/0x130 [ 427.346147] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.351262] ? __lock_acquire+0x7ec/0x4ec0 [ 427.355501] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 427.360601] ? should_fail+0x22d/0xd01 [ 427.364485] ? print_usage_bug+0xc0/0xc0 [ 427.368555] ? mark_held_locks+0x130/0x130 [ 427.372792] ? mark_held_locks+0x130/0x130 [ 427.377041] ? print_usage_bug+0xc0/0xc0 [ 427.381107] ? graph_lock+0x170/0x170 [ 427.384905] ? ret_from_fork+0x3a/0x50 [ 427.388789] ? __lock_acquire+0x7ec/0x4ec0 [ 427.393025] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.398564] ? check_preemption_disabled+0x48/0x280 [ 427.403612] ? check_preemption_disabled+0x48/0x280 [ 427.408766] ? __lock_is_held+0xb5/0x140 [ 427.412842] __alloc_pages_nodemask+0xa80/0xde0 [ 427.417524] ? graph_lock+0x170/0x170 [ 427.421327] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 427.426339] ? graph_lock+0x170/0x170 [ 427.430160] ? find_held_lock+0x36/0x1c0 [ 427.434234] ? ____cache_alloc_node+0x1c7/0x1e0 [ 427.438905] ? lock_downgrade+0x900/0x900 [ 427.443063] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.448602] cache_grow_begin+0x91/0x8c0 [ 427.452660] ? do_raw_spin_unlock+0xa7/0x330 [ 427.457102] fallback_alloc+0x203/0x2e0 [ 427.461142] ____cache_alloc_node+0x1c7/0x1e0 [ 427.465649] kmem_cache_alloc_node+0xe3/0x730 [ 427.470142] ? mark_held_locks+0xc7/0x130 [ 427.474338] __alloc_skb+0x119/0x770 [ 427.478067] ? skb_scrub_packet+0x490/0x490 [ 427.482392] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 427.487035] ? queue_work_on+0x12c/0x1e0 [ 427.491134] ? switchdev_port_obj_del+0xdc/0x450 [ 427.495923] ? switchdev_trans_item_enqueue+0x260/0x260 [ 427.501292] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 427.506316] __br_mdb_notify+0x4ff/0x15d0 [ 427.510470] ? __br_mdb_add+0x800/0x800 [ 427.514444] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.519976] ? check_preemption_disabled+0x48/0x280 [ 427.525030] ? graph_lock+0x170/0x170 [ 427.528849] ? br_multicast_group_expired+0x96/0x610 [ 427.533949] ? lock_downgrade+0x900/0x900 [ 427.538104] br_mdb_notify+0x310/0x410 [ 427.541997] ? br_mdb_dump+0x2530/0x2530 [ 427.546080] ? kasan_check_write+0x14/0x20 [ 427.550317] ? do_raw_spin_lock+0xc1/0x230 [ 427.554557] br_multicast_group_expired+0x1bc/0x610 [ 427.559571] ? br_mdb_free+0x80/0x80 [ 427.563339] call_timer_fn+0x272/0x920 [ 427.567224] ? br_mdb_free+0x80/0x80 [ 427.570935] ? process_timeout+0x40/0x40 [ 427.575002] ? find_held_lock+0x36/0x1c0 [ 427.579067] ? __run_timers+0x7da/0xc70 [ 427.583053] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.587544] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.592059] ? br_mdb_free+0x80/0x80 [ 427.595783] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 427.600366] ? trace_hardirqs_on+0xbd/0x310 [ 427.604687] ? kasan_check_read+0x11/0x20 [ 427.608842] ? __run_timers+0x7da/0xc70 [ 427.612830] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.618293] ? br_mdb_free+0x80/0x80 [ 427.622008] ? br_mdb_free+0x80/0x80 [ 427.625724] __run_timers+0x7e5/0xc70 [ 427.629551] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 427.634916] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.639428] ? _raw_spin_unlock_irq+0x27/0x80 [ 427.643941] ? lockdep_hardirqs_on+0x421/0x5c0 [ 427.648538] ? trace_hardirqs_on+0xbd/0x310 [ 427.652855] ? kasan_check_read+0x11/0x20 [ 427.657005] ? finish_task_switch+0x1f4/0x910 [ 427.661516] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 427.666968] ? compat_start_thread+0x80/0x80 [ 427.671378] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.676980] ? pvclock_read_flags+0x160/0x160 [ 427.681491] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.687034] ? check_preemption_disabled+0x48/0x280 [ 427.692060] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 427.697338] ? rcu_pm_notify+0xc0/0xc0 [ 427.701236] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 427.706776] ? check_preemption_disabled+0x48/0x280 [ 427.711798] run_timer_softirq+0x52/0xb0 [ 427.715860] ? rcu_read_lock_sched_held+0x108/0x120 [ 427.720878] __do_softirq+0x30c/0xb03 [ 427.724691] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 427.729792] ? trace_hardirqs_off+0xb8/0x310 [ 427.734224] ? schedule+0x108/0x460 [ 427.737877] ? trace_hardirqs_off+0xb8/0x310 [ 427.742304] ? smpboot_thread_fn+0x68b/0xa00 [ 427.746714] ? trace_hardirqs_on+0x310/0x310 [ 427.751127] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.756677] ? check_preemption_disabled+0x48/0x280 [ 427.761696] ? takeover_tasklets+0xa90/0xa90 [ 427.766108] run_ksoftirqd+0x94/0x100 [ 427.769907] smpboot_thread_fn+0x68b/0xa00 [ 427.774141] ? sort_range+0x30/0x30 [ 427.777771] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 427.782892] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 427.788434] ? __kthread_parkme+0xfb/0x1a0 [ 427.792681] kthread+0x35a/0x420 [ 427.796063] ? sort_range+0x30/0x30 [ 427.799717] ? kthread_bind+0x40/0x40 [ 427.803536] ret_from_fork+0x3a/0x50 [ 427.807262] warn_alloc_show_mem: 1 callbacks suppressed [ 427.807273] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 427.807275] Mem-Info: [ 427.807305] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 427.807305] active_file:15 inactive_file:13 isolated_file:0 [ 427.807305] unevictable:0 dirty:0 writeback:0 unstable:0 [ 427.807305] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 427.807305] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 427.807305] free:13788 free_pcp:609 free_cma:0 [ 427.812643] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 427.819922] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 427.822319] Call Trace: [ 427.855193] Node 0 [ 427.864531] [ 427.892033] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 427.894604] dump_stack+0x1c4/0x2b6 [ 427.896809] lowmem_reserve[]: [ 427.898961] ? dump_stack_print_info.cold.1+0x20/0x20 [ 427.924444] 0 2819 [ 427.928101] warn_alloc.cold.119+0xb7/0x1bd [ 427.931174] 6323 [ 427.936355] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 427.938578] 6323 [ 427.942928] ? lock_downgrade+0x900/0x900 [ 427.949795] ? trace_hardirqs_off+0xb8/0x310 [ 427.951831] Node 0 [ 427.955983] ? trace_hardirqs_off+0xb8/0x310 [ 427.960390] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 427.962604] __alloc_pages_slowpath+0x265e/0x2d70 [ 427.966981] lowmem_reserve[]: [ 427.993888] ? warn_alloc+0x120/0x120 [ 427.998681] 0 [ 428.001791] ? mark_held_locks+0x130/0x130 [ 428.005587] 0 [ 428.007387] ? warn_alloc+0x120/0x120 [ 428.011597] 3503 [ 428.013395] ? print_usage_bug+0xc0/0xc0 [ 428.017206] 3503 [ 428.019276] ? warn_alloc+0x120/0x120 [ 428.025378] ? print_usage_bug+0xc0/0xc0 [ 428.029163] Node 0 [ 428.033226] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.033274] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 428.035490] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.040678] lowmem_reserve[]: [ 428.069039] ? should_fail+0x22d/0xd01 [ 428.074568] 0 [ 428.077667] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.081527] 0 [ 428.083325] ? __lock_acquire+0x7ec/0x4ec0 [ 428.088401] 0 [ 428.090212] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 428.094429] 0 [ 428.096224] ? __lock_acquire+0x7ec/0x4ec0 [ 428.103121] ? should_fail+0x22d/0xd01 [ 428.107329] Node 0 DMA: [ 428.111228] ? mark_held_locks+0x130/0x130 [ 428.111232] 1*4kB (U) [ 428.113903] ? mark_held_locks+0x130/0x130 [ 428.118113] 0*8kB [ 428.120604] ? find_held_lock+0x36/0x1c0 [ 428.124816] 0*16kB [ 428.126958] ? graph_lock+0x170/0x170 [ 428.130999] 1*32kB [ 428.133233] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.137007] (U) [ 428.139240] ? check_preemption_disabled+0x48/0x280 [ 428.144753] 2*64kB [ 428.146746] ? check_preemption_disabled+0x48/0x280 [ 428.146770] ? __lock_is_held+0xb5/0x140 [ 428.151774] (U) [ 428.154056] __alloc_pages_nodemask+0xa80/0xde0 [ 428.159086] 1*128kB [ 428.163142] ? graph_lock+0x170/0x170 [ 428.165116] (U) [ 428.169774] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 428.172073] 1*256kB [ 428.175867] ? graph_lock+0x170/0x170 [ 428.177821] (U) [ 428.182855] ? find_held_lock+0x36/0x1c0 [ 428.185166] 0*512kB [ 428.188968] ? ____cache_alloc_node+0x1c7/0x1e0 [ 428.190923] 1*1024kB [ 428.194992] ? lock_downgrade+0x900/0x900 [ 428.197300] (U) [ 428.201966] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.204348] 1*2048kB [ 428.208518] cache_grow_begin+0x91/0x8c0 [ 428.210467] (M) [ 428.215999] ? do_raw_spin_unlock+0xa7/0x330 [ 428.218384] 3*4096kB [ 428.222444] fallback_alloc+0x203/0x2e0 [ 428.224396] (M) [ 428.228796] ____cache_alloc_node+0x1c7/0x1e0 [ 428.231183] = 15908kB [ 428.235239] kmem_cache_alloc_node+0xe3/0x730 [ 428.237208] Node 0 [ 428.241694] ? mark_held_locks+0xc7/0x130 [ 428.244078] DMA32: [ 428.248569] __alloc_skb+0x119/0x770 [ 428.250776] 5*4kB [ 428.254916] ? skb_scrub_packet+0x490/0x490 [ 428.257128] (UM) [ 428.260839] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 428.262966] 0*8kB [ 428.267287] ? queue_work_on+0x12c/0x1e0 [ 428.269326] 3*16kB [ 428.273899] ? switchdev_port_obj_del+0xdc/0x450 [ 428.276026] (UM) [ 428.280093] ? switchdev_trans_item_enqueue+0x260/0x260 [ 428.282310] 2*32kB [ 428.287059] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 428.289101] (M) [ 428.294461] __br_mdb_notify+0x4ff/0x15d0 [ 428.296671] 5*64kB (UM) [ 428.301710] ? __br_mdb_add+0x800/0x800 [ 428.303659] 4*128kB [ 428.307800] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.310453] (UM) [ 428.314427] ? graph_lock+0x170/0x170 [ 428.316727] 3*256kB [ 428.322260] ? br_multicast_group_expired+0x96/0x610 [ 428.324302] (M) [ 428.328093] ? lock_downgrade+0x900/0x900 [ 428.330445] 4*512kB [ 428.335539] br_mdb_notify+0x310/0x410 [ 428.337495] (UM) [ 428.341637] ? br_mdb_dump+0x2530/0x2530 [ 428.343958] 3*1024kB [ 428.347839] ? kasan_check_write+0x14/0x20 [ 428.349906] (UM) [ 428.353991] ? do_raw_spin_lock+0xc1/0x230 [ 428.356389] 3*2048kB [ 428.360619] br_multicast_group_expired+0x1bc/0x610 [ 428.362658] (M) [ 428.366898] ? br_mdb_free+0x80/0x80 [ 428.369286] 3*4096kB [ 428.374301] call_timer_fn+0x272/0x920 [ 428.376244] (M) [ 428.379952] ? br_mdb_free+0x80/0x80 [ 428.382345] = 25284kB [ 428.386227] ? process_timeout+0x40/0x40 [ 428.388184] Node 0 [ 428.391892] ? find_held_lock+0x36/0x1c0 [ 428.394283] Normal: [ 428.398357] ? __run_timers+0x7da/0xc70 [ 428.400570] 888*4kB [ 428.404637] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.406940] (UMEH) [ 428.410906] ? _raw_spin_unlock_irq+0x27/0x80 [ 428.413222] 387*8kB [ 428.417706] ? br_mdb_free+0x80/0x80 [ 428.419918] (UME) [ 428.424410] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 428.426707] 157*16kB (UME) [ 428.430439] ? trace_hardirqs_on+0xbd/0x310 [ 428.432601] 53*32kB [ 428.437180] ? kasan_check_read+0x11/0x20 [ 428.440090] (UMEH) [ 428.444417] ? __run_timers+0x7da/0xc70 [ 428.446720] 26*64kB [ 428.450867] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 428.453093] (UMH) [ 428.457059] ? br_mdb_free+0x80/0x80 [ 428.459362] 4*128kB [ 428.464811] ? br_mdb_free+0x80/0x80 [ 428.466938] (UMH) [ 428.470664] __run_timers+0x7e5/0xc70 [ 428.472966] 0*256kB [ 428.476689] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 428.478805] 0*512kB [ 428.482598] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 428.484898] 1*1024kB [ 428.490281] ? graph_lock+0x170/0x170 [ 428.492591] (H) 0*2048kB [ 428.497610] ? enqueue_hrtimer+0x1a5/0x560 [ 428.499998] 0*4096kB [ 428.503794] ? lock_release+0x970/0x970 [ 428.506527] = 14056kB [ 428.510754] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 428.513243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 428.517251] ? find_held_lock+0x36/0x1c0 [ 428.519643] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 428.524821] ? graph_lock+0x170/0x170 [ 428.533640] 147 total pagecache pages [ 428.537712] ? pvclock_read_flags+0x160/0x160 [ 428.546269] 0 pages in swap cache [ 428.550062] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.553842] Swap cache stats: add 0, delete 0, find 0/0 [ 428.558329] ? check_preemption_disabled+0x48/0x280 [ 428.561758] Free swap = 0kB [ 428.567292] ? __lock_is_held+0xb5/0x140 [ 428.572617] Total swap = 0kB [ 428.572624] 1965979 pages RAM [ 428.577636] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.580638] 0 pages HighMem/MovableOnly [ 428.580646] 342307 pages reserved [ 428.584702] ? check_preemption_disabled+0x48/0x280 [ 428.587693] 0 pages cma reserved [ 428.590794] run_timer_softirq+0x52/0xb0 [ 428.596461] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 428.600270] ? rcu_read_lock_sched_held+0x108/0x120 [ 428.603699] ksoftirqd/0 cpuset= [ 428.608710] __do_softirq+0x30c/0xb03 [ 428.612050] / [ 428.616117] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 428.626400] mems_allowed=0 [ 428.631435] ? pvclock_read_flags+0x160/0x160 [ 428.652677] ? lapic_next_event+0x5a/0x90 [ 428.656841] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.662386] ? check_preemption_disabled+0x48/0x280 [ 428.667401] ? check_preemption_disabled+0x48/0x280 [ 428.672422] ? kvm_clock_read+0x18/0x30 [ 428.676394] ? kvm_sched_clock_read+0x9/0x20 [ 428.680804] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.686345] ? check_preemption_disabled+0x48/0x280 [ 428.691380] irq_exit+0x17f/0x1c0 [ 428.694847] smp_apic_timer_interrupt+0x1cb/0x760 [ 428.699689] ? smp_reschedule_interrupt+0x109/0x650 [ 428.704711] ? smp_call_function_single_interrupt+0x650/0x650 [ 428.710598] ? interrupt_entry+0xb5/0xf0 [ 428.714664] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.719683] ? trace_hardirqs_off_caller+0xbb/0x310 [ 428.724703] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.729550] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.734565] ? trace_hardirqs_on_caller+0x310/0x310 [ 428.739581] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.745131] ? check_preemption_disabled+0x48/0x280 [ 428.750200] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.755748] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 428.760618] apic_timer_interrupt+0xf/0x20 [ 428.764842] [ 428.767077] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 428.772006] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 428.791059] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 428.798783] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 428.806051] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 428.813316] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 428.820638] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 428.827927] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 428.835238] skb_clone+0x1bb/0x500 [ 428.838797] ? finish_task_switch+0x1b4/0x910 [ 428.843295] ? skb_split+0x11e0/0x11e0 [ 428.847204] ? preempt_notifier_register+0x200/0x200 [ 428.852323] ? __switch_to_asm+0x34/0x70 [ 428.856393] ? __switch_to_asm+0x34/0x70 [ 428.860450] ? __switch_to_asm+0x40/0x70 [ 428.864510] ? __switch_to_asm+0x34/0x70 [ 428.868567] ? __switch_to_asm+0x40/0x70 [ 428.872629] ? __switch_to_asm+0x34/0x70 [ 428.876691] ? __switch_to_asm+0x40/0x70 [ 428.880768] ? __switch_to_asm+0x34/0x70 [ 428.884845] ? __switch_to_asm+0x34/0x70 [ 428.888903] ? __switch_to_asm+0x40/0x70 [ 428.892966] ? __switch_to_asm+0x34/0x70 [ 428.897032] bpf_clone_redirect+0xb9/0x490 [ 428.901267] ? __schedule+0x874/0x1ed0 [ 428.905169] bpf_prog_bebbfe2050753572+0x11a/0x1000 [ 428.910194] ? __sched_text_start+0x8/0x8 [ 428.914887] ? lockdep_hardirqs_on+0x421/0x5c0 [ 428.919474] ? retint_kernel+0x2d/0x2d [ 428.923380] ? trace_hardirqs_on_caller+0xc0/0x310 [ 428.928313] ? find_held_lock+0x36/0x1c0 [ 428.932400] ? lock_acquire+0x1ed/0x520 [ 428.936402] ? bpf_test_run+0x32e/0x5a0 [ 428.940377] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 428.945934] ? check_preemption_disabled+0x48/0x280 [ 428.950960] ? kasan_check_read+0x11/0x20 [ 428.955113] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 428.960807] ? rcu_bh_qs+0xc0/0xc0 [ 428.964350] ? preempt_schedule+0x4d/0x60 [ 428.968503] ? ___preempt_schedule+0x16/0x18 [ 428.972920] ? bpf_test_run+0x1c0/0x5a0 [ 428.976936] ? netlink_diag_dump+0x2a0/0x2a0 [ 428.981348] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 428.986882] ? bpf_test_init.isra.9+0x70/0x100 [ 428.991471] ? bpf_prog_test_run_skb+0x634/0xb40 [ 428.996237] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 429.001081] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 429.006629] ? fput+0x130/0x1a0 [ 429.009910] ? __bpf_prog_get+0x9b/0x290 [ 429.013997] ? bpf_test_finish.isra.8+0x1f0/0x1f0 [ 429.018851] ? bpf_prog_test_run+0x130/0x1a0 [ 429.023268] ? __x64_sys_bpf+0x3d8/0x510 [ 429.027342] ? bpf_prog_get+0x20/0x20 [ 429.031172] ? do_syscall_64+0x1b9/0x820 [ 429.035263] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 429.040633] ? syscall_return_slowpath+0x5e0/0x5e0 [ 429.045582] ? trace_hardirqs_on_caller+0x310/0x310 [ 429.050598] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 429.055613] ? recalc_sigpending_tsk+0x180/0x180 [ 429.060417] ? kasan_check_write+0x14/0x20 [ 429.064659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 429.069512] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 429.074894] CPU: 0 PID: 9 Comm: ksoftirqd/0 Not tainted 4.19.0-rc8+ #67 [ 429.075039] syz-executor1: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 429.081679] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.092148] syz-executor1 cpuset= [ 429.101489] Call Trace: [ 429.101498] syz1 [ 429.104949] dump_stack+0x1c4/0x2b6 [ 429.107507] mems_allowed=0 [ 429.109477] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.121192] warn_alloc.cold.119+0xb7/0x1bd [ 429.125521] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.130373] ? lock_downgrade+0x900/0x900 [ 429.134534] ? trace_hardirqs_off+0xb8/0x310 [ 429.138948] ? trace_hardirqs_off+0xb8/0x310 [ 429.143368] __alloc_pages_slowpath+0x265e/0x2d70 [ 429.148261] ? warn_alloc+0x120/0x120 [ 429.152076] ? warn_alloc+0x120/0x120 [ 429.155883] ? print_usage_bug+0xc0/0xc0 [ 429.159942] ? warn_alloc+0x120/0x120 [ 429.163792] ? print_usage_bug+0xc0/0xc0 [ 429.167852] ? __alloc_pages_slowpath+0x265e/0x2d70 [ 429.172877] ? print_usage_bug+0xc0/0xc0 [ 429.176941] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.182481] ? should_fail+0x22d/0xd01 [ 429.186368] ? mark_held_locks+0x130/0x130 [ 429.190606] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.195740] ? __lock_acquire+0x7ec/0x4ec0 [ 429.199982] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.205085] ? should_fail+0x22d/0xd01 [ 429.208971] ? print_usage_bug+0xc0/0xc0 [ 429.213042] ? mark_held_locks+0x130/0x130 [ 429.217281] ? mark_held_locks+0x130/0x130 [ 429.221516] ? print_usage_bug+0xc0/0xc0 [ 429.225586] ? graph_lock+0x170/0x170 [ 429.229402] ? ret_from_fork+0x3a/0x50 [ 429.233305] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.238866] ? check_preemption_disabled+0x48/0x280 [ 429.243885] ? check_preemption_disabled+0x48/0x280 [ 429.248915] ? __lock_is_held+0xb5/0x140 [ 429.252993] __alloc_pages_nodemask+0xa80/0xde0 [ 429.257663] ? graph_lock+0x170/0x170 [ 429.261483] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 429.266495] ? graph_lock+0x170/0x170 [ 429.270306] ? find_held_lock+0x36/0x1c0 [ 429.274379] ? ____cache_alloc_node+0x1c7/0x1e0 [ 429.279050] ? lock_downgrade+0x900/0x900 [ 429.283223] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.288807] cache_grow_begin+0x91/0x8c0 [ 429.292870] ? do_raw_spin_unlock+0xa7/0x330 [ 429.297302] fallback_alloc+0x203/0x2e0 [ 429.301289] ____cache_alloc_node+0x1c7/0x1e0 [ 429.305814] kmem_cache_alloc_node+0xe3/0x730 [ 429.310318] ? mark_held_locks+0xc7/0x130 [ 429.314491] __alloc_skb+0x119/0x770 [ 429.318216] ? skb_scrub_packet+0x490/0x490 [ 429.322538] ? do_raw_spin_trylock+0x1c0/0x1c0 [ 429.327128] ? queue_work_on+0x12c/0x1e0 [ 429.331206] ? switchdev_port_obj_del+0xdc/0x450 [ 429.335976] ? switchdev_trans_item_enqueue+0x260/0x260 [ 429.341347] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 429.346369] __br_mdb_notify+0x4ff/0x15d0 [ 429.350524] ? __br_mdb_add+0x800/0x800 [ 429.354498] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.360037] ? check_preemption_disabled+0x48/0x280 [ 429.365078] ? graph_lock+0x170/0x170 [ 429.368887] ? br_multicast_group_expired+0x96/0x610 [ 429.374006] ? lock_downgrade+0x900/0x900 [ 429.378165] br_mdb_notify+0x310/0x410 [ 429.382059] ? br_mdb_dump+0x2530/0x2530 [ 429.386131] ? kasan_check_write+0x14/0x20 [ 429.390379] ? do_raw_spin_lock+0xc1/0x230 [ 429.394621] br_multicast_group_expired+0x1bc/0x610 [ 429.399642] ? br_mdb_free+0x80/0x80 [ 429.403373] call_timer_fn+0x272/0x920 [ 429.407261] ? br_mdb_free+0x80/0x80 [ 429.411006] ? process_timeout+0x40/0x40 [ 429.415081] ? find_held_lock+0x36/0x1c0 [ 429.419165] ? __run_timers+0x7da/0xc70 [ 429.423148] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.427649] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.432139] ? br_mdb_free+0x80/0x80 [ 429.435857] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 429.440445] ? trace_hardirqs_on+0xbd/0x310 [ 429.444771] ? kasan_check_read+0x11/0x20 [ 429.448918] ? __run_timers+0x7da/0xc70 [ 429.452891] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.458359] ? br_mdb_free+0x80/0x80 [ 429.462093] ? br_mdb_free+0x80/0x80 [ 429.465808] __run_timers+0x7e5/0xc70 [ 429.469626] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 429.474996] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.479487] ? _raw_spin_unlock_irq+0x27/0x80 [ 429.483982] ? lockdep_hardirqs_on+0x421/0x5c0 [ 429.488594] ? trace_hardirqs_on+0xbd/0x310 [ 429.492915] ? kasan_check_read+0x11/0x20 [ 429.497092] ? finish_task_switch+0x1f4/0x910 [ 429.501637] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 429.507116] ? compat_start_thread+0x80/0x80 [ 429.511547] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.517114] ? pvclock_read_flags+0x160/0x160 [ 429.521609] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.527159] ? check_preemption_disabled+0x48/0x280 [ 429.532205] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 429.537485] ? rcu_pm_notify+0xc0/0xc0 [ 429.541392] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.546931] ? check_preemption_disabled+0x48/0x280 [ 429.551956] run_timer_softirq+0x52/0xb0 [ 429.556031] ? rcu_read_lock_sched_held+0x108/0x120 [ 429.561047] __do_softirq+0x30c/0xb03 [ 429.564872] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 429.569994] ? trace_hardirqs_off+0xb8/0x310 [ 429.574435] ? schedule+0x108/0x460 [ 429.578071] ? trace_hardirqs_off+0xb8/0x310 [ 429.582487] ? smpboot_thread_fn+0x68b/0xa00 [ 429.586895] ? trace_hardirqs_on+0x310/0x310 [ 429.591305] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.596842] ? check_preemption_disabled+0x48/0x280 [ 429.601863] ? takeover_tasklets+0xa90/0xa90 [ 429.606281] run_ksoftirqd+0x94/0x100 [ 429.610082] smpboot_thread_fn+0x68b/0xa00 [ 429.614322] ? sort_range+0x30/0x30 [ 429.617965] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 429.623075] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.628612] ? __kthread_parkme+0xfb/0x1a0 [ 429.632870] kthread+0x35a/0x420 [ 429.636258] ? sort_range+0x30/0x30 [ 429.639880] ? kthread_bind+0x40/0x40 [ 429.643685] ret_from_fork+0x3a/0x50 [ 429.647420] CPU: 1 PID: 12514 Comm: syz-executor1 Not tainted 4.19.0-rc8+ #67 [ 429.647431] warn_alloc_show_mem: 1 callbacks suppressed [ 429.647437] Mem-Info: [ 429.654713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 429.660083] active_anon:47723 inactive_anon:112 isolated_anon:0 [ 429.660083] active_file:15 inactive_file:13 isolated_file:0 [ 429.660083] unevictable:0 dirty:0 writeback:0 unstable:0 [ 429.660083] slab_reclaimable:9115 slab_unreclaimable:1475639 [ 429.660083] mapped:32787 shmem:119 pagetables:609 bounce:0 [ 429.660083] free:13788 free_pcp:609 free_cma:0 [ 429.662455] Call Trace: [ 429.671840] Node 0 active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:131148kB dirty:0kB writeback:0kB shmem:476kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 176128kB writeback_tmp:0kB unstable:0kB all_unreclaimable? yes [ 429.704686] [ 429.707257] Node 0 [ 429.734753] dump_stack+0x1c4/0x2b6 [ 429.736937] DMA free:15908kB min:164kB low:204kB high:244kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 429.739162] ? dump_stack_print_info.cold.1+0x20/0x20 [ 429.742798] lowmem_reserve[]: [ 429.768305] warn_alloc.cold.119+0xb7/0x1bd [ 429.773478] 0 [ 429.776623] ? zone_watermark_ok_safe+0x3f0/0x3f0 [ 429.780919] 2819 [ 429.782722] ? lock_downgrade+0x900/0x900 [ 429.787539] 6323 [ 429.789602] ? trace_hardirqs_off+0xb8/0x310 [ 429.793728] 6323 [ 429.795796] ? trace_hardirqs_off+0xb8/0x310 [ 429.800197] Node 0 [ 429.802259] __alloc_pages_slowpath+0x265e/0x2d70 [ 429.806662] DMA32 free:25284kB 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:2890736kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:248kB local_pcp:248kB free_cma:0kB [ 429.808896] ? warn_alloc+0x120/0x120 [ 429.813684] lowmem_reserve[]: 0 [ 429.840610] ? warn_alloc+0x120/0x120 [ 429.844377] 0 3503 [ 429.847656] ? print_usage_bug+0xc0/0xc0 [ 429.851429] 3503 [ 429.853671] ? warn_alloc+0x120/0x120 [ 429.859766] ? kvm_clock_read+0x18/0x30 [ 429.863537] Node 0 [ 429.867499] ? print_usage_bug+0xc0/0xc0 [ 429.867530] Normal free:13960kB min:37352kB low:46688kB high:56024kB active_anon:190892kB inactive_anon:448kB active_file:60kB inactive_file:52kB unevictable:0kB writepending:0kB present:4718592kB managed:3588044kB mlocked:0kB kernel_stack:5344kB pagetables:2436kB bounce:0kB free_pcp:2188kB local_pcp:920kB free_cma:0kB [ 429.867536] lowmem_reserve[]: [ 429.869770] ? ktime_get+0x2e1/0x440 [ 429.873815] 0 [ 429.902191] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.905268] 0 [ 429.908975] ? check_preemption_disabled+0x48/0x280 [ 429.910750] 0 [ 429.916767] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 429.918539] 0 [ 429.923557] ? should_fail+0x22d/0xd01 [ 429.925334] Node 0 [ 429.930865] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.932652] DMA: [ 429.936532] ? __lock_acquire+0x7ec/0x4ec0 [ 429.938750] 1*4kB [ 429.943843] ? fault_create_debugfs_attr+0x1f0/0x1f0 [ 429.945880] (U) [ 429.950105] ? __lock_acquire+0x7ec/0x4ec0 [ 429.952234] 0*8kB [ 429.957326] ? should_fail+0x22d/0xd01 [ 429.959284] 0*16kB [ 429.963515] ? mark_held_locks+0x130/0x130 [ 429.965637] 1*32kB [ 429.969518] ? mark_held_locks+0x130/0x130 [ 429.971733] (U) [ 429.975965] ? graph_lock+0x170/0x170 [ 429.978180] 2*64kB [ 429.982411] ? print_usage_bug+0xc0/0xc0 [ 429.984367] (U) 1*128kB [ 429.988175] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 429.990382] (U) 1*256kB [ 429.994449] ? check_preemption_disabled+0x48/0x280 [ 429.997090] (U) 0*512kB [ 430.002627] ? check_preemption_disabled+0x48/0x280 [ 430.005273] 1*1024kB [ 430.010286] ? __lock_is_held+0xb5/0x140 [ 430.012932] (U) [ 430.017969] __alloc_pages_nodemask+0xa80/0xde0 [ 430.020357] 1*2048kB [ 430.024409] ? graph_lock+0x170/0x170 [ 430.026365] (M) [ 430.031028] ? __alloc_pages_slowpath+0x2d70/0x2d70 [ 430.033414] 3*4096kB [ 430.037245] ? graph_lock+0x170/0x170 [ 430.039200] (M) [ 430.044224] ? find_held_lock+0x36/0x1c0 [ 430.046608] = 15908kB [ 430.050407] ? ____cache_alloc_node+0x1c7/0x1e0 [ 430.052356] Node 0 [ 430.056407] ? lock_downgrade+0x900/0x900 [ 430.058795] DMA32: [ 430.063486] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.065697] 5*4kB [ 430.069839] cache_grow_begin+0x91/0x8c0 [ 430.072050] (UM) [ 430.077583] ? do_raw_spin_unlock+0xa7/0x330 [ 430.079712] 0*8kB [ 430.083767] fallback_alloc+0x203/0x2e0 [ 430.085805] 3*16kB [ 430.090210] ____cache_alloc_node+0x1c7/0x1e0 [ 430.092335] (UM) [ 430.096302] kmem_cache_alloc_node+0xe3/0x730 [ 430.098514] 2*32kB [ 430.103002] ? ipv6_get_ifaddr+0x42e/0x620 [ 430.105052] (M) 5*64kB [ 430.109561] __alloc_skb+0x119/0x770 [ 430.111768] (UM) [ 430.115998] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 430.118556] 4*128kB (UM) [ 430.122273] ? skb_scrub_packet+0x490/0x490 [ 430.124321] 3*256kB [ 430.129586] ? lock_downgrade+0x900/0x900 [ 430.129608] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.132337] (M) [ 430.136694] ? refcount_sub_and_test_checked+0x203/0x310 [ 430.139011] 4*512kB [ 430.143177] ? refcount_inc_not_zero_checked+0x2f0/0x2f0 [ 430.148689] (UM) [ 430.150661] ? addrconf_rs_timer+0x690/0x690 [ 430.156094] 3*1024kB [ 430.158427] ndisc_alloc_skb+0x144/0x340 [ 430.163870] (UM) [ 430.165947] ndisc_send_rs+0x331/0x6e0 [ 430.170328] 3*2048kB [ 430.172735] addrconf_rs_timer+0x314/0x690 [ 430.176771] (M) [ 430.178829] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.182691] 3*4096kB [ 430.185134] call_timer_fn+0x272/0x920 [ 430.189348] (M) [ 430.191318] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.195527] = 25284kB [ 430.197938] ? process_timeout+0x40/0x40 [ 430.201795] Node 0 [ 430.203782] ? find_held_lock+0x36/0x1c0 [ 430.207995] Normal: [ 430.210402] ? __run_timers+0x7da/0xc70 [ 430.214442] 888*4kB [ 430.216687] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.220721] (UMEH) [ 430.223042] ? _raw_spin_unlock_irq+0x27/0x80 [ 430.226992] 387*8kB [ 430.229313] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.233795] (UME) [ 430.236027] ? lockdep_hardirqs_on+0x19e/0x5c0 [ 430.240501] 157*16kB [ 430.242819] ? trace_hardirqs_on+0xbd/0x310 [ 430.247026] (UME) [ 430.249186] ? kasan_check_read+0x11/0x20 [ 430.253750] 53*32kB [ 430.256173] ? __run_timers+0x7da/0xc70 [ 430.260470] (UMEH) [ 430.262616] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 430.266754] 26*64kB [ 430.269089] ? ipv6_get_lladdr+0x5e0/0x5e0 [ 430.273028] (UMH) [ 430.275268] __run_timers+0x7e5/0xc70 [ 430.280691] 4*128kB [ 430.283023] ? __bpf_trace_timer_expire_entry+0x30/0x30 [ 430.287240] (UMH) [ 430.289403] ? __sanitizer_cov_trace_cmp8+0x18/0x20 [ 430.293235] 0*256kB [ 430.295551] ? graph_lock+0x170/0x170 [ 430.300883] 0*512kB 1*1024kB [ 430.303070] ? enqueue_hrtimer+0x1a5/0x560 [ 430.308058] (H) [ 430.310374] ? lock_release+0x970/0x970 [ 430.314146] 0*2048kB 0*4096kB [ 430.317272] ? hrtimer_update_softirq_timer+0xa0/0xa0 [ 430.321481] = 14056kB [ 430.323460] ? find_held_lock+0x36/0x1c0 [ 430.327414] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 430.330594] ? graph_lock+0x170/0x170 [ 430.335762] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 430.338184] ? pvclock_read_flags+0x160/0x160 [ 430.342222] 147 total pagecache pages [ 430.351053] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.354838] 0 pages in swap cache [ 430.363400] ? check_preemption_disabled+0x48/0x280 [ 430.367886] Swap cache stats: add 0, delete 0, find 0/0 [ 430.371682] ? __lock_is_held+0xb5/0x140 [ 430.377191] Free swap = 0kB [ 430.380650] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.385659] Total swap = 0kB [ 430.391017] ? check_preemption_disabled+0x48/0x280 [ 430.395054] 1965979 pages RAM [ 430.398072] run_timer_softirq+0x52/0xb0 [ 430.403592] 0 pages HighMem/MovableOnly [ 430.403600] 342307 pages reserved [ 430.406614] ? rcu_read_lock_sched_held+0x108/0x120 [ 430.411603] 0 pages cma reserved [ 430.414707] __do_softirq+0x30c/0xb03 [ 430.418918] ksoftirqd/0: page allocation failure: order:0, mode:0x484020(GFP_ATOMIC|__GFP_COMP), nodemask=(null) [ 430.422719] ? __irqentry_text_end+0x1f9618/0x1f9618 [ 430.426141] ksoftirqd/0 cpuset= [ 430.431184] ? pvclock_read_flags+0x160/0x160 [ 430.434536] / [ 430.438357] ? lapic_next_event+0x5a/0x90 [ 430.448648] mems_allowed=0 [ 430.453742] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.475768] ? check_preemption_disabled+0x48/0x280 [ 430.480799] ? check_preemption_disabled+0x48/0x280 [ 430.485822] ? kvm_clock_read+0x18/0x30 [ 430.489795] ? kvm_sched_clock_read+0x9/0x20 [ 430.494209] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.499748] ? check_preemption_disabled+0x48/0x280 [ 430.504777] irq_exit+0x17f/0x1c0 [ 430.508251] smp_apic_timer_interrupt+0x1cb/0x760 [ 430.513093] ? smp_reschedule_interrupt+0x109/0x650 [ 430.518110] ? smp_call_function_single_interrupt+0x650/0x650 [ 430.523994] ? interrupt_entry+0xb5/0xf0 [ 430.528075] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.533093] ? trace_hardirqs_off_caller+0xbb/0x310 [ 430.538111] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.542955] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.547970] ? trace_hardirqs_on_caller+0x310/0x310 [ 430.553040] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.558576] ? check_preemption_disabled+0x48/0x280 [ 430.563603] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 430.569171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 430.574039] apic_timer_interrupt+0xf/0x20 [ 430.578269] [ 430.580523] RIP: 0010:kmem_cache_alloc+0x297/0x730 [ 430.585456] Code: 7e 0f 85 cf fe ff ff e8 56 be 3e ff e9 c5 fe ff ff e8 5d f8 c2 ff 48 83 3d 8d 32 70 07 00 0f 84 3b 03 00 00 48 8b 7d d0 57 9d <0f> 1f 44 00 00 e9 54 fe ff ff 31 d2 be a5 01 00 00 48 c7 c7 d2 9e [ 430.604361] RSP: 0018:ffff88018d027748 EFLAGS: 00000286 ORIG_RAX: ffffffffffffff13 [ 430.612071] RAX: 0000000000000000 RBX: 0000000000480020 RCX: 0000000000000000 [ 430.619335] RDX: 0000000000000000 RSI: ffff88019ebc0c80 RDI: 0000000000000286 [ 430.626604] RBP: ffff88018d0277b0 R08: ffff88019ebc0400 R09: 0000000000000000 [ 430.633886] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 430.641186] R13: ffff8801d9be7680 R14: ffff8801d9be7680 R15: 0000000000480020 [ 430.648517] skb_clone+0x1bb/0x500 [ 430.652059] ? finish_task_switch+0x1b4/0x910 [ 430.656560] ? skb_split+0x11e0/0x11e0 [ 430.660452] ? preempt_notifier_register+0x200/0x200 [ 430.665559] ? __switch_to_asm+0x34/0x70 [ 430.669621] ? __switch_to_asm+0x34/0x70 [ 430.673682] ? __switch_to_asm+0x40/0x70 [ 430.677743] ? __switch_to_asm+0x34/0x70 [ 430.681803] ? __switch_to_asm+0x40/0x70 [ 430.685905] ? __switch_to_asm+0x34/0x70