8d0 [ 240.532439][ C1] hrtimer_run_softirq+0x176/0x240 [ 240.537551][ C1] handle_softirqs+0x328/0x820 [ 240.542320][ C1] ? __irq_exit_rcu+0x12f/0x220 [ 240.547186][ C1] ? do_softirq+0x200/0x200 [ 240.551714][ C1] ? irqtime_account_irq+0xb2/0x1b0 [ 240.556912][ C1] __irq_exit_rcu+0x12f/0x220 [ 240.561587][ C1] ? irq_exit_rcu+0x20/0x20 [ 240.566092][ C1] irq_exit_rcu+0x5/0x20 [ 240.570340][ C1] sysvec_apic_timer_interrupt+0xa0/0xc0 [ 240.575997][ C1] [ 240.578920][ C1] [ 240.581844][ C1] asm_sysvec_apic_timer_interrupt+0x16/0x20 [ 240.587822][ C1] RIP: 0010:rcu_is_watching+0x56/0xa0 [ 240.593204][ C1] Code: f0 48 c1 e8 03 42 80 3c 38 00 74 08 4c 89 f7 e8 70 82 58 00 48 c7 c3 08 b3 03 00 49 03 1e 48 89 d8 48 c1 e8 03 42 0f b6 04 38 <84> c0 75 2b 8b 03 65 ff 0d b5 bf 9e 7e 74 08 24 01 5b 41 5e 41 5f [ 240.612818][ C1] RSP: 0000:ffffc90002d7e380 EFLAGS: 00000a02 [ 240.618876][ C1] RAX: 0000000000000000 RBX: ffff8880b913b308 RCX: 7e56868b58513200 [ 240.626840][ C1] RDX: 0000000000000000 RSI: ffffffff8a59a860 RDI: ffffffff8a59a820 [ 240.634809][ C1] RBP: ffffc90002d7e4b8 R08: dffffc0000000000 R09: fffffbfff1ad334e [ 240.642777][ C1] R10: fffffbfff1ad334e R11: 1ffffffff1ad334d R12: dffffc0000000000 [ 240.650749][ C1] R13: dffffc0000000000 R14: ffffffff8bbc3828 R15: dffffc0000000000 [ 240.658727][ C1] lock_release+0xba/0x870 [ 240.663143][ C1] ? rcu_lock_release+0x5/0x20 [ 240.667904][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 240.672928][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 240.678061][ C1] ? do_raw_spin_lock+0x11d/0x280 [ 240.683094][ C1] list_lru_count_one+0x27c/0x310 [ 240.688116][ C1] super_cache_count+0x13a/0x290 [ 240.693057][ C1] do_shrink_slab+0x8d/0xd00 [ 240.697653][ C1] ? __init_rwsem+0x160/0x160 [ 240.702331][ C1] ? mem_cgroup_shrink_node+0x630/0x630 [ 240.707874][ C1] shrink_slab+0x1b1/0x770 [ 240.712288][ C1] ? drop_slab_node+0x180/0x180 [ 240.717132][ C1] ? mem_cgroup_iter+0x345/0x480 [ 240.722098][ C1] shrink_node+0x110c/0x2610 [ 240.726720][ C1] do_try_to_free_pages+0x5da/0x15c0 [ 240.732016][ C1] ? try_to_free_pages+0xdc0/0xdc0 [ 240.737118][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 240.742142][ C1] try_to_free_pages+0x8ef/0xdc0 [ 240.747074][ C1] ? mark_lock+0x94/0x320 [ 240.751399][ C1] ? reclaim_pages+0x9a0/0x9a0 [ 240.756157][ C1] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 240.762140][ C1] ? psi_task_switch+0x810/0x810 [ 240.767074][ C1] ? __cpuset_memory_pressure_bump+0x4ad/0x5d0 [ 240.773230][ C1] __alloc_pages_slowpath+0x10d8/0x27a0 [ 240.778787][ C1] ? get_page_from_freelist+0x1c60/0x1c60 [ 240.784515][ C1] ? prepare_alloc_pages+0x368/0x5f0 [ 240.789794][ C1] __alloc_pages+0x332/0x470 [ 240.794380][ C1] ? zone_statistics+0x170/0x170 [ 240.799322][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 240.804337][ C1] ? __rwlock_init+0x140/0x140 [ 240.809086][ C1] alloc_pages_vma+0x393/0x7c0 [ 240.813846][ C1] ? __swp_swapcount+0xf5/0x120 [ 240.818692][ C1] __read_swap_cache_async+0x1b5/0xa70 [ 240.824152][ C1] swap_cluster_readahead+0x6a2/0x7c0 [ 240.829514][ C1] ? read_swap_cache_async+0x90/0x90 [ 240.834808][ C1] swapin_readahead+0xf3/0xaa0 [ 240.839564][ C1] ? rcu_lock_release+0x5/0x20 [ 240.844329][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 240.849371][ C1] ? exit_swap_address_space+0x280/0x280 [ 240.854997][ C1] ? put_swap_device+0x15c/0x200 [ 240.859939][ C1] ? lookup_swap_cache+0x135/0x440 [ 240.865044][ C1] ? get_swap_device+0x21b/0x360 [ 240.869974][ C1] do_swap_page+0x4b6/0x1f40 [ 240.874572][ C1] ? count_memcg_event_mm+0x311/0x360 [ 240.879968][ C1] handle_mm_fault+0x1ad7/0x43b0 [ 240.884905][ C1] ? get_page+0xe0/0xe0 [ 240.889054][ C1] ? vmacache_find+0x53c/0x590 [ 240.893813][ C1] ? vmacache_update+0xa0/0x100 [ 240.898764][ C1] ? find_vma+0x1df/0x230 [ 240.903094][ C1] do_user_addr_fault+0x489/0xc80 [ 240.908123][ C1] exc_page_fault+0x60/0x100 [ 240.912710][ C1] asm_exc_page_fault+0x22/0x30 [ 240.917551][ C1] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 240.922837][ C1] Code: 8b 74 24 30 4c 8d 76 12 48 8b 54 24 58 48 83 c2 06 45 31 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 2b 42 0f b7 44 fe 12 <66> 89 02 49 89 d5 44 39 fb 74 3b e8 84 c2 ab ff 49 ff c7 49 83 c6 [ 240.942437][ C1] RSP: 0000:ffffc90002d7f8a0 EFLAGS: 00050246 [ 240.948504][ C1] RAX: 0000000000000011 RBX: 0000000000000000 RCX: ffff888078ae8000 [ 240.956477][ C1] RDX: 00007ffe1878b3d6 RSI: ffffc90002d7fcb0 RDI: 0000000000000000 [ 240.964473][ C1] RBP: ffffc90002d7fe50 R08: dffffc0000000000 R09: ffffed100fe0e380 [ 240.972456][ C1] R10: ffffed100fe0e380 R11: 1ffff1100fe0e37f R12: dffffc0000000000 [ 240.980426][ C1] R13: 00007ffe1878b3d8 R14: ffffc90002d7fcc2 R15: 0000000000000000 [ 240.988429][ C1] ? do_sys_poll+0x6b1/0x1100 [ 240.993112][ C1] ? poll_select_finish+0x5e0/0x5e0 [ 240.998303][ C1] ? lock_page_memcg+0x199/0x410 [ 241.003240][ C1] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 241.009496][ C1] ? verify_lock_unused+0x140/0x140 [ 241.014785][ C1] ? do_wp_page+0x902/0xad0 [ 241.019302][ C1] ? __lock_acquire+0x7c60/0x7c60 [ 241.024327][ C1] __se_sys_poll+0x125/0x320 [ 241.028911][ C1] ? __x64_sys_poll+0x80/0x80 [ 241.033603][ C1] ? lockdep_hardirqs_on+0x94/0x140 [ 241.038802][ C1] do_syscall_64+0x4c/0xa0 [ 241.043210][ C1] ? clear_bhb_loop+0x30/0x80 [ 241.047886][ C1] ? clear_bhb_loop+0x30/0x80 [ 241.052563][ C1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 241.058459][ C1] RIP: 0033:0x7f3d030dd407 [ 241.062894][ C1] Code: Unable to access opcode bytes at RIP 0x7f3d030dd3dd. [ 241.070240][ C1] RSP: 002b:00007ffe1878b360 EFLAGS: 00000202 ORIG_RAX: 0000000000000007 [ 241.078644][ C1] RAX: ffffffffffffffda RBX: 00007f3d02fe9300 RCX: 00007f3d030dd407 [ 241.086603][ C1] RDX: ffffffffffffffff RSI: 0000000000000001 RDI: 00007ffe1878b3d0 [ 241.094565][ C1] RBP: 0000559ae58cd1a0 R08: 0000000000000000 R09: 0000000000000000 [ 241.102548][ C1] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe1878b3d0 [ 241.110508][ C1] R13: 0000000000000000 R14: 0000559b10d669a0 R15: 000000000000105e [ 241.118483][ C1] [ 241.121521][ C1] Mem-Info: [ 241.124622][ C1] active_anon:0 inactive_anon:0 isolated_anon:0 [ 241.124622][ C1] active_file:67 inactive_file:29 isolated_file:0 [ 241.124622][ C1] unevictable:768 dirty:1 writeback:0 [ 241.124622][ C1] slab_reclaimable:16191 slab_unreclaimable:116909 [ 241.124622][ C1] mapped:1 shmem:768 pagetables:299 bounce:0 [ 241.124622][ C1] kernel_misc_reclaimable:0 [ 241.124622][ C1] free:10050 free_pcp:220 free_cma:0 [ 241.164493][ C1] Node 0 active_anon:0kB inactive_anon:0kB active_file:96kB inactive_file:112kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? no [ 241.193943][ C1] Node 1 active_anon:0kB inactive_anon:0kB active_file:172kB inactive_file:4kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? no [ 241.222878][ C1] Node 0 DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 241.249067][ C1] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 241.254796][ C1] Node 0 DMA32 free:9912kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:16kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 241.282766][ C1] lowmem_reserve[]: 0 0 0 0 0 [ 241.287475][ C1] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 241.313293][ C1] lowmem_reserve[]: 0 0 0 0 0 [ 241.318014][ C1] Node 1 Normal free:20056kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:128kB inactive_file:92kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:880kB local_pcp:632kB free_cma:0kB [ 241.346527][ C1] lowmem_reserve[]: 0 0 0 0 0 [ 241.351239][ C1] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 241.366779][ C1] Node 0 DMA32: 150*4kB (UME) 59*8kB (UME) 55*16kB (UME) 125*32kB (UME) 49*64kB (UM) 9*128kB (UM) 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 10752kB [ 241.382438][ C1] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 241.393885][ C1] Node 1 Normal: 22*4kB (UM) 43*8kB (UME) 29*16kB (UME) 25*32kB (ME) 21*64kB (M) 21*128kB (UME) 11*256kB (M) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 19808kB [ 241.410336][ C1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.419884][ C1] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 241.429168][ C1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 241.438711][ C1] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 241.448017][ C1] 863 total pagecache pages [ 241.452512][ C1] 0 pages in swap cache [ 241.456695][ C1] Swap cache stats: add 38135, delete 38135, find 69/492 [ 241.463707][ C1] Free swap = 107160kB [ 241.467861][ C1] Total swap = 124996kB [ 241.471998][ C1] 2097051 pages RAM [ 241.475791][ C1] 0 pages HighMem/MovableOnly [ 241.480483][ C1] 410817 pages reserved [ 241.484635][ C1] 0 pages cma reserved [ 241.509236][ T3998] eventpoll_epi 74KB 74KB [ 241.515334][ T3998] inotify_inode_mark 19KB 19KB [ 241.551640][ T3998] bio_crypt_ctx 7KB 7KB [ 241.562238][ T3998] request_queue 413KB 570KB [ 241.574937][ T3998] blkdev_ioc 18KB 18KB [ 241.585224][ T3998] bio-200 151KB 195KB [ 241.598976][ T3998] biovec-max 352KB 416KB [ 241.605086][ T3998] biovec-64 236KB 236KB [ 241.612840][ T3998] biovec-16 33KB 33KB [ 241.619016][ T3998] bio_integrity_payload 3KB 3KB [ 241.625441][ T3998] user_namespace 15KB 15KB [ 241.633355][ T3998] uid_cache 7KB 7KB [ 241.644241][ T3998] dmaengine-unmap-256 30KB 30KB [ 241.655083][ T3998] dmaengine-unmap-128 15KB 15KB [ 241.666186][ T3998] dmaengine-unmap-16 4KB 4KB [ 241.672417][ T3998] dmaengine-unmap-2 4KB 4KB [ 241.678515][ T3998] QIPCRTR 31KB 31KB [ 241.684592][ T3998] audit_buffer 3KB 3KB [ 241.692031][ T3998] skbuff_ext_cache 56KB 56KB [ 241.698224][ T3998] skbuff_fclone_cache 202KB 240KB [ 241.704478][ T3998] skbuff_head_cache 28066KB 28076KB [ 241.710606][ T3998] configfs_dir_cache 8KB 8KB [ 241.718168][ T3998] file_lock_cache 31KB 39KB [ 241.724253][ T3998] file_lock_ctx 15KB 15KB [ 241.746335][ T3998] fsnotify_mark_connector 16KB 16KB [ 241.752960][ T3998] taskstats 15KB 15KB [ 241.777100][ T3998] proc_dir_entry 1106KB 1106KB [ 241.783219][ T3998] pde_opener 15KB 15KB [ 241.792845][ T3998] seq_file 78KB 93KB [ 241.799048][ T3998] sigqueue 137KB 153KB [ 241.805128][ T3998] shmem_inode_cache 7202KB 7338KB [ 241.811246][ T3998] kernfs_iattrs_cache 7KB 7KB [ 241.817544][ T3998] kernfs_node_cache 32105KB 32199KB [ 241.823622][ T3998] mnt_cache 157KB 165KB [ 241.831219][ T3998] filp 371KB 900KB [ 241.837336][ T3998] names_cache 850KB 1338KB [ 241.843411][ T3998] net_namespace 185KB 185KB [ 241.849503][ T3998] iint_cache 45KB 45KB [ 241.855601][ T3998] lsm_inode_cache 1708KB 1900KB [ 241.861720][ T3998] lsm_file_cache 128KB 322KB [ 241.867829][ T3998] key_jar 15KB 15KB [ 241.873911][ T3998] uts_namespace 15KB 15KB [ 241.880739][ T3998] nsproxy 15KB 15KB [ 241.910916][ T3998] vm_area_struct 447KB 684KB [ 241.926332][ T3998] fs_cache 51KB 84KB [ 241.932420][ T3998] files_cache 207KB 350KB [ 241.946354][ T3998] signal_cache 721KB 1945KB [ 241.952440][ T3998] sighand_cache 962KB 962KB [ 241.974708][ T3998] task_struct 3220KB 4105KB [ 241.980880][ T3998] cred_jar 172KB 431KB [ 241.986997][ T3998] anon_vma_chain 277KB 374KB [ 241.993078][ T3998] anon_vma 181KB 203KB [ 242.007254][ T3998] pid 141KB 322KB [ 242.013545][ T3998] Acpi-Operand 207KB 245KB [ 242.057788][ T3998] Acpi-ParseExt 23KB 23KB [ 242.063896][ T3998] Acpi-Parse 126KB 126KB [ 242.076355][ T3998] Acpi-State 74KB 110KB [ 242.082465][ T3998] Acpi-Namespace 28KB 28KB [ 242.106366][ T3998] numa_policy 3KB 3KB [ 242.112478][ T3998] perf_event 31KB 31KB [ 242.122217][ T3998] trace_event_file 432KB 432KB [ 242.129431][ T3998] ftrace_event_field 548KB 548KB [ 242.135599][ T3998] pool_workqueue 262KB 272KB [ 242.147546][ T3998] task_group 30KB 30KB [ 242.153649][ T3998] mm_struct 379KB 693KB [ 242.160979][ T3998] vmap_area 265KB 334KB [ 242.168496][ T3998] debug_objects_cache 1834KB 2047KB [ 242.174760][ T3998] page->ptl 137KB 212KB [ 242.180906][ T3998] kmalloc-cg-8k 2176KB 2176KB [ 242.187012][ T3998] kmalloc-cg-4k 5464KB 5736KB [ 242.193174][ T3998] kmalloc-cg-2k 1316KB 1316KB [ 242.199290][ T3998] kmalloc-cg-1k 878KB 896KB [ 242.206485][ T3998] kmalloc-cg-512 2331KB 2408KB [ 242.212684][ T3998] kmalloc-cg-256 48KB 48KB [ 242.218801][ T3998] kmalloc-cg-192 148KB 148KB [ 242.224887][ T3998] kmalloc-cg-128 128KB 128KB [ 242.231050][ T3998] kmalloc-cg-96 16KB 16KB [ 242.237623][ T3998] kmalloc-cg-64 16KB 16KB [ 242.243714][ T3998] kmalloc-cg-32 24KB 24KB [ 242.251264][ T3998] kmalloc-cg-16 191KB 248KB [ 242.259710][ T3998] kmalloc-cg-8 27KB 27KB [ 242.266051][ T3998] kmalloc-8k 10432KB 10512KB [ 242.276414][ T3998] kmalloc-4k 181696KB 181776KB [ 242.282545][ T3998] kmalloc-2k 26596KB 29920KB [ 242.291300][ T3998] kmalloc-1k 45306KB 45368KB [ 242.305674][ T3998] kmalloc-512 40605KB 40624KB [ 242.314849][ T3998] kmalloc-256 5252KB 5256KB [ 242.321163][ T3998] kmalloc-192 1160KB 1680KB [ 242.327381][ T3998] kmalloc-128 1703KB 1720KB [ 242.333460][ T3998] kmalloc-96 1585KB 1592KB [ 242.339634][ T3998] kmalloc-64 3242KB 3908KB [ 242.345712][ T3998] kmalloc-32 762KB 776KB [ 242.352865][ T3998] kmalloc-16 289KB 340KB [ 242.359042][ T3998] kmalloc-8 559KB 609KB [ 242.365123][ T3998] kmem_cache_node 203KB 204KB [ 242.372065][ T3998] kmem_cache 168KB 168KB [ 242.379264][ T3998] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=3998,uid=101 [ 242.393061][ T3998] Out of memory (oom_kill_allocating_task): Killed process 3998 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:48kB oom_score_adj:0 [ 242.676171][ T3987] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 242.686902][ T3987] CPU: 1 PID: 3987 Comm: dhcpcd Not tainted syzkaller #0 [ 242.693948][ T3987] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 242.704022][ T3987] Call Trace: [ 242.707499][ T3987] [ 242.710496][ T3987] dump_stack_lvl+0x168/0x230 [ 242.715205][ T3987] ? show_regs_print_info+0x20/0x20 [ 242.720447][ T3987] ? load_image+0x3b0/0x3b0 [ 242.725011][ T3987] ? local_lock_release+0x170/0x170 [ 242.730228][ T3987] ? __rwlock_init+0x140/0x140 [ 242.735021][ T3987] dump_header+0xd4/0x770 [ 242.739374][ T3987] oom_kill_process+0x20e/0x3d0 [ 242.744246][ T3987] out_of_memory+0xf5f/0x11e0 [ 242.748952][ T3987] ? __alloc_pages+0x470/0x470 [ 242.753738][ T3987] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 242.759997][ T3987] ? unregister_oom_notifier+0x20/0x20 [ 242.765485][ T3987] __alloc_pages_slowpath+0x1d11/0x27a0 [ 242.771086][ T3987] ? get_page_from_freelist+0x1c60/0x1c60 [ 242.776839][ T3987] ? prepare_alloc_pages+0x368/0x5f0 [ 242.782164][ T3987] __alloc_pages+0x332/0x470 [ 242.786777][ T3987] ? zone_statistics+0x170/0x170 [ 242.791741][ T3987] ? __lock_acquire+0x7c60/0x7c60 [ 242.796775][ T3987] ? __rwlock_init+0x140/0x140 [ 242.801555][ T3987] alloc_pages_vma+0x393/0x7c0 [ 242.806360][ T3987] ? __swp_swapcount+0xf5/0x120 [ 242.811235][ T3987] __read_swap_cache_async+0x1b5/0xa70 [ 242.816726][ T3987] swap_cluster_readahead+0x6a2/0x7c0 [ 242.822127][ T3987] ? read_swap_cache_async+0x90/0x90 [ 242.827450][ T3987] swapin_readahead+0xf3/0xaa0 [ 242.832224][ T3987] ? rcu_lock_release+0x5/0x20 [ 242.837003][ T3987] ? __lock_acquire+0x7c60/0x7c60 [ 242.842040][ T3987] ? exit_swap_address_space+0x280/0x280 [ 242.847678][ T3987] ? put_swap_device+0x15c/0x200 [ 242.852637][ T3987] ? lookup_swap_cache+0x135/0x440 [ 242.857759][ T3987] ? get_swap_device+0x21b/0x360 [ 242.862708][ T3987] do_swap_page+0x4b6/0x1f40 [ 242.867306][ T3987] ? count_memcg_event_mm+0x311/0x360 [ 242.872706][ T3987] handle_mm_fault+0x1ad7/0x43b0 [ 242.877673][ T3987] ? get_page+0xe0/0xe0 [ 242.881875][ T3987] ? vmacache_find+0x4e3/0x590 [ 242.886654][ T3987] ? vmacache_update+0xa0/0x100 [ 242.891515][ T3987] ? find_vma+0x1df/0x230 [ 242.895841][ T3987] do_user_addr_fault+0x489/0xc80 [ 242.900878][ T3987] exc_page_fault+0x60/0x100 [ 242.905500][ T3987] asm_exc_page_fault+0x22/0x30 [ 242.910364][ T3987] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 242.915676][ T3987] Code: 8b 74 24 30 4c 8d 76 12 48 8b 54 24 58 48 83 c2 06 45 31 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 2b 42 0f b7 44 fe 12 <66> 89 02 49 89 d5 44 39 fb 74 3b e8 84 c2 ab ff 49 ff c7 49 83 c6 [ 242.935398][ T3987] RSP: 0000:ffffc90002dbf880 EFLAGS: 00050246 [ 242.941480][ T3987] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888020359dc0 [ 242.949554][ T3987] RDX: 0000562553d87d56 RSI: ffffc90002dbfc90 RDI: 0000000000000000 [ 242.957546][ T3987] RBP: ffffc90002dbfe30 R08: dffffc0000000000 R09: ffffed10044ad9f0 [ 242.965536][ T3987] R10: ffffed10044ad9f0 R11: 1ffff110044ad9ef R12: dffffc0000000000 [ 242.973520][ T3987] R13: 0000562553d87d60 R14: ffffc90002dbfca2 R15: 0000000000000000 [ 242.981525][ T3987] ? do_sys_poll+0x6b1/0x1100 [ 242.986236][ T3987] ? poll_select_finish+0x5e0/0x5e0 [ 242.991472][ T3987] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 242.997734][ T3987] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 243.004062][ T3987] ? set_user_sigmask+0x157/0x1b0 [ 243.009102][ T3987] ? sigprocmask+0x190/0x190 [ 243.013706][ T3987] ? __lock_acquire+0x7c60/0x7c60 [ 243.018753][ T3987] __se_sys_ppoll+0x1fc/0x260 [ 243.023445][ T3987] ? __x64_sys_ppoll+0xc0/0xc0 [ 243.028274][ T3987] ? __x64_sys_ppoll+0x1c/0xc0 [ 243.033055][ T3987] do_syscall_64+0x4c/0xa0 [ 243.037480][ T3987] ? clear_bhb_loop+0x30/0x80 [ 243.042170][ T3987] ? clear_bhb_loop+0x30/0x80 [ 243.046866][ T3987] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 243.052783][ T3987] RIP: 0033:0x7f3d2e9b2407 [ 243.057271][ T3987] Code: Unable to access opcode bytes at RIP 0x7f3d2e9b23dd. [ 243.064666][ T3987] RSP: 002b:00007fff034a0dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 243.073098][ T3987] RAX: ffffffffffffffda RBX: 00007f3d2e928740 RCX: 00007f3d2e9b2407 [ 243.081085][ T3987] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562553d87d50 [ 243.089068][ T3987] RBP: 00007fff034a1110 R08: 0000000000000008 R09: 0000000000000000 [ 243.097033][ T3987] R10: 00007fff034a1110 R11: 0000000000000202 R12: 00005625154ed5e0 [ 243.105015][ T3987] R13: 0000562553d7ad90 R14: 0000000000000000 R15: 00007fff034a0ec0 [ 243.113016][ T3987] [ 243.135512][ T3987] Mem-Info: [ 243.138705][ T3987] active_anon:0 inactive_anon:0 isolated_anon:0 [ 243.138705][ T3987] active_file:66 inactive_file:23 isolated_file:14 [ 243.138705][ T3987] unevictable:768 dirty:1 writeback:0 [ 243.138705][ T3987] slab_reclaimable:16191 slab_unreclaimable:117125 [ 243.138705][ T3987] mapped:1 shmem:768 pagetables:299 bounce:0 [ 243.138705][ T3987] kernel_misc_reclaimable:0 [ 243.138705][ T3987] free:10118 free_pcp:112 free_cma:0 [ 243.180538][ T3987] Node 0 active_anon:0kB inactive_anon:0kB active_file:236kB inactive_file:40kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? yes [ 243.211080][ T3987] Node 1 active_anon:0kB inactive_anon:0kB active_file:128kB inactive_file:52kB unevictable:1536kB isolated(anon):0kB isolated(file):56kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? yes [ 243.225708][ T155] slab_out_of_memory: 3009 callbacks suppressed [ 243.225725][ T155] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 243.240357][ C0] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 243.240378][ C0] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 243.240400][ C0] node 0: slabs: 6004, objs: 72048, free: 0 [ 243.240418][ C0] node 1: slabs: 1541, objs: 18492, free: 30 [ 243.268603][ T3987] Node 0 [ 243.274426][ T155] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 243.282766][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 243.286709][ T155] node 0: slabs: 1066, objs: 16930, free: 0 [ 243.289620][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 243.299728][ T155] node 1: slabs: 616, objs: 5782, free: 31 [ 243.308716][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 243.314956][ T4406] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 243.324763][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 243.336587][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 243.337783][ T4406] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 243.345507][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 243.351562][ T4406] node 0: slabs: 6009, objs: 72108, free: 0 [ 243.359572][ T4312] node 0: slabs: 6009, objs: 72108, free: 0 [ 243.370080][ T4406] node 1: slabs: 1541, objs: 18492, free: 30 [ 243.376369][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 243.380759][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 243.386722][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 243.392771][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 243.398990][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 243.399008][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 243.407950][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 243.407972][ T4312] node 0: slabs: 6009, objs: 72108, free: 0 [ 243.430118][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 243.468736][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 243.479234][ C1] node 0: slabs: 6010, objs: 72120, free: 0 [ 243.485296][ C1] node 1: slabs: 1541, objs: 18492, free: 30 [ 243.492144][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 243.498653][ T4522] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 243.498782][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 243.507622][ T4522] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 243.507643][ T4522] node 0: slabs: 1066, objs: 16930, free: 0 [ 243.516656][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 243.526668][ T4522] node 1: slabs: 616, objs: 5782, free: 31 [ 243.546630][ T3987] DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 243.549793][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 243.581391][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 243.602909][ T3987] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 243.613604][ T3987] Node 0 DMA32 free:9156kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:184kB inactive_file:52kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:428kB local_pcp:0kB free_cma:0kB [ 243.656622][ T3987] lowmem_reserve[]: 0 0 0 0 0 [ 243.661375][ T3987] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 243.689235][ T3987] lowmem_reserve[]: 0 0 0 0 0 [ 243.696343][ T3987] Node 1 Normal free:20520kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:28kB inactive_file:52kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 243.786337][ T3987] lowmem_reserve[]: 0 0 0 0 0 [ 243.791129][ T3987] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 243.826354][ T3987] Node 0 DMA32: 132*4kB (UME) 60*8kB (UME) 47*16kB (UME) 104*32kB (UME) 49*64kB (UM) 9*128kB (UM) 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 9888kB [ 243.866354][ T3987] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 243.912866][ T3987] Node 1 Normal: 22*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20520kB [ 244.013175][ T3987] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.022807][ T3987] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 244.032642][ T3987] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.042344][ T3987] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 244.052774][ T3987] 863 total pagecache pages [ 244.066335][ T3987] 0 pages in swap cache [ 244.070525][ T3987] Swap cache stats: add 38135, delete 38135, find 69/492 [ 244.077845][ T3987] Free swap = 107160kB [ 244.082205][ T3987] Total swap = 124996kB [ 244.086379][ T3987] 2097051 pages RAM [ 244.090186][ T3987] 0 pages HighMem/MovableOnly [ 244.094844][ T3987] 410817 pages reserved [ 244.099016][ T3987] 0 pages cma reserved [ 244.103174][ T3987] Unreclaimable slab info: [ 244.109532][ T3987] Name Used Total [ 244.115802][ T3987] pid_2 22KB 22KB [ 244.152378][ T3987] bio-320 7KB 7KB [ 244.158578][ T3987] zswap_entry 3205KB 3205KB [ 244.164687][ T3987] batadv_tt_change_cache 8KB 8KB [ 244.201219][ T3987] batadv_tl_cache 8KB 8KB [ 244.207393][ T3987] TIPC 63KB 63KB [ 244.213510][ T3987] SCTPv6 63KB 63KB [ 244.219661][ T3987] DCCPv6 59KB 59KB [ 244.225747][ T3987] DCCP 61KB 61KB [ 244.231926][ T3987] RXRPC 61KB 61KB [ 244.238039][ T3987] rxrpc_call_jar 249KB 252KB [ 244.244133][ T3987] bridge_fdb_cache 15KB 15KB [ 244.274975][ T3987] MPTCPv6 30KB 30KB [ 244.281292][ T3987] fib6_nodes 224KB 224KB [ 244.287418][ T3987] ip6_dst_cache 357KB 592KB [ 244.293501][ T3987] RAWv6 308KB 308KB [ 244.299631][ T3987] UDPv6 128KB 128KB [ 244.305711][ T3987] TCPv6 95KB 95KB [ 244.311971][ T3987] nf_conntrack 39KB 39KB [ 244.322967][ T3987] wg_peer 152KB 152KB [ 244.329125][ T3987] allowedips_node 19KB 19KB [ 244.335217][ T3987] t10_alua_lu_gp_cache 3KB 3KB [ 244.341618][ T3987] sd_ext_cdb 3KB 3KB [ 244.347752][ T3987] scsi_sense_cache 1092KB 1092KB [ 244.354976][ T3987] virtio_scsi_cmd 16KB 16KB [ 244.361133][ T3987] bio-136 93KB 96KB [ 244.369283][ T3987] sgpool-128 29KB 29KB [ 244.375378][ T3987] sgpool-64 95KB 95KB [ 244.404120][ T3987] sgpool-32 110KB 110KB [ 244.410295][ T3987] sgpool-16 52KB 52KB [ 244.416420][ T3987] sgpool-8 63KB 63KB [ 244.422516][ T3987] bio-224 3KB 3KB [ 244.428620][ T3987] mqueue_inode_cache 60KB 60KB [ 244.434799][ T3987] f2fs_bio_post_read_ctx 16KB 16KB [ 244.443237][ T28] oom_reaper: reaped process 3998 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 244.446350][ T3987] jfs_mp 7KB 7KB [ 244.460706][ T3987] cifs_small_rq 16KB 16KB [ 244.466949][ T3987] cifs_request 67KB 67KB [ 244.473026][ T3987] cifs_mpx_ids 4KB 4KB [ 244.479955][ T3987] nfs_commit_data 15KB 15KB [ 244.486031][ T3987] nfs_write_data 47KB 47KB [ 244.501093][ T3987] jbd2_inode 7KB 7KB [ 244.507217][ T3987] ext4_system_zone 3KB 3KB [ 244.513293][ T3987] ext4_io_end_vec 7KB 7KB [ 244.540251][ T3987] ext4_bio_post_read_ctx 15KB 15KB [ 244.546935][ T3987] pid_namespace 7KB 7KB [ 244.553036][ T3987] rpc_buffers 31KB 31KB [ 244.573292][ T3987] rpc_tasks 3KB 3KB [ 244.585723][ T3987] UNIX-STREAM 288KB 288KB [ 244.603407][ T3987] UNIX 514KB 736KB [ 244.612676][ T3987] MPTCP 31KB 31KB [ 244.620316][ T3987] request_sock_subflow_v4 7KB 7KB [ 244.627492][ T3987] tcp_bind_bucket 8KB 8KB [ 244.633580][ T3987] ip_fib_trie 36KB 36KB [ 244.646327][ T3987] ip_fib_alias 122KB 122KB [ 244.666331][ T3987] ip_dst_cache 24KB 24KB [ 244.672555][ T3987] RAW 123KB 123KB [ 244.686327][ T3987] UDP 154KB 154KB [ 244.692523][ T3987] request_sock_TCP 15KB 15KB [ 244.710035][ T3987] TCP 60KB 60KB [ 244.716132][ T3987] hugetlbfs_inode_cache 30KB 30KB [ 244.729072][ T3987] fscache_cookie_jar 15KB 15KB [ 244.735425][ T3987] bio-256 11KB 11KB [ 244.741721][ T3987] ep_head 16KB 16KB [ 244.752282][ T3987] eventpoll_pwq 39KB 39KB [ 244.758393][ T3987] eventpoll_epi 74KB 74KB [ 244.765230][ T3987] inotify_inode_mark 19KB 19KB [ 244.771559][ T3987] bio_crypt_ctx 7KB 7KB [ 244.777741][ T3987] request_queue 413KB 570KB [ 244.783834][ T3987] blkdev_ioc 18KB 18KB [ 244.807361][ T3987] bio-200 151KB 195KB [ 244.813464][ T3987] biovec-max 352KB 416KB [ 244.829821][ T3987] biovec-64 236KB 236KB [ 244.835939][ T3987] biovec-16 33KB 33KB [ 244.848102][ T3987] bio_integrity_payload 3KB 3KB [ 244.854588][ T3987] user_namespace 15KB 15KB [ 244.868981][ T3987] uid_cache 7KB 7KB [ 244.875077][ T3987] dmaengine-unmap-256 30KB 30KB [ 244.881358][ T3987] dmaengine-unmap-128 15KB 15KB [ 244.889272][ T3987] dmaengine-unmap-16 4KB 4KB [ 244.895437][ T3987] dmaengine-unmap-2 4KB 4KB [ 244.901563][ T3987] QIPCRTR 31KB 31KB [ 244.907967][ T3987] audit_buffer 3KB 3KB [ 244.914185][ T3987] skbuff_ext_cache 56KB 56KB [ 244.955902][ T3987] skbuff_fclone_cache 202KB 240KB [ 244.963424][ T3987] skbuff_head_cache 28505KB 28515KB [ 245.006917][ T3987] configfs_dir_cache 8KB 8KB [ 245.013121][ T3987] file_lock_cache 31KB 39KB [ 245.032225][ T3987] file_lock_ctx 15KB 15KB [ 245.043462][ T3987] fsnotify_mark_connector 16KB 16KB [ 245.063119][ T3987] taskstats 15KB 15KB [ 245.120086][ T3987] proc_dir_entry 1106KB 1106KB [ 245.126212][ T3987] pde_opener 15KB 15KB [ 245.215898][ T3987] seq_file 78KB 93KB [ 245.252315][ T3987] sigqueue 137KB 153KB [ 245.291971][ T3987] shmem_inode_cache 7202KB 7338KB [ 245.353741][ T3987] kernfs_iattrs_cache 7KB 7KB [ 245.397464][ T3987] kernfs_node_cache 32105KB 32199KB [ 245.403595][ T3987] mnt_cache 157KB 165KB [ 245.522916][ T3987] filp 371KB 900KB [ 245.567030][ T3987] names_cache 850KB 1338KB [ 245.573156][ T3987] net_namespace 185KB 185KB [ 245.686765][ T3987] iint_cache 45KB 45KB [ 245.692897][ T3987] lsm_inode_cache 1708KB 1900KB [ 245.786249][ T3987] lsm_file_cache 128KB 322KB [ 245.852567][ T3987] key_jar 15KB 15KB [ 245.886364][ T3987] uts_namespace 15KB 15KB [ 245.953023][ T3987] nsproxy 15KB 15KB [ 245.996513][ T3987] vm_area_struct 447KB 684KB [ 246.002636][ T3987] fs_cache 51KB 84KB [ 246.088246][ T3987] files_cache 207KB 350KB [ 246.095251][ T3987] signal_cache 721KB 1945KB [ 246.183524][ T3987] sighand_cache 962KB 962KB [ 246.237037][ T3987] task_struct 3220KB 4105KB [ 246.243170][ T3987] cred_jar 172KB 431KB [ 246.351870][ T3987] anon_vma_chain 277KB 374KB [ 246.394160][ T3987] anon_vma 181KB 203KB [ 246.456343][ T3987] pid 141KB 322KB [ 246.462465][ T3987] Acpi-Operand 207KB 245KB [ 246.558769][ T3987] Acpi-ParseExt 23KB 23KB [ 246.564891][ T3987] Acpi-Parse 126KB 126KB [ 246.666342][ T3987] Acpi-State 74KB 110KB [ 246.672461][ T3987] Acpi-Namespace 28KB 28KB [ 246.754748][ T3987] numa_policy 3KB 3KB [ 246.788506][ T3987] perf_event 31KB 31KB [ 246.794624][ T3987] trace_event_file 432KB 432KB [ 246.927228][ T3987] ftrace_event_field 548KB 548KB [ 246.933428][ T3987] pool_workqueue 262KB 272KB [ 246.952212][ T3987] task_group 30KB 30KB [ 246.958457][ T3987] mm_struct 379KB 693KB [ 246.964537][ T3987] vmap_area 265KB 334KB [ 246.970703][ T3987] debug_objects_cache 1834KB 2047KB [ 246.977003][ T3987] page->ptl 137KB 212KB [ 246.983107][ T3987] kmalloc-cg-8k 2176KB 2176KB [ 246.989225][ T3987] kmalloc-cg-4k 5464KB 5736KB [ 246.995302][ T3987] kmalloc-cg-2k 1316KB 1316KB [ 247.001483][ T3987] kmalloc-cg-1k 878KB 896KB [ 247.007626][ T3987] kmalloc-cg-512 2331KB 2408KB [ 247.014570][ T3987] kmalloc-cg-256 48KB 48KB [ 247.020721][ T3987] kmalloc-cg-192 148KB 148KB [ 247.026844][ T3987] kmalloc-cg-128 128KB 128KB [ 247.032929][ T3987] kmalloc-cg-96 16KB 16KB [ 247.039725][ T3987] kmalloc-cg-64 16KB 16KB [ 247.045800][ T3987] kmalloc-cg-32 24KB 24KB [ 247.052575][ T3987] kmalloc-cg-16 191KB 248KB [ 247.062855][ T3987] kmalloc-cg-8 27KB 27KB [ 247.072773][ T3987] kmalloc-8k 10432KB 10512KB [ 247.083513][ T3987] kmalloc-4k 181696KB 181776KB [ 247.089673][ T3987] kmalloc-2k 26596KB 29920KB [ 247.095747][ T3987] kmalloc-1k 45362KB 45424KB [ 247.101864][ T3987] kmalloc-512 41853KB 41872KB [ 247.108065][ T3987] kmalloc-256 5252KB 5256KB [ 247.114170][ T3987] kmalloc-192 1160KB 1680KB [ 247.129716][ T3987] kmalloc-128 1703KB 1720KB [ 247.135893][ T3987] kmalloc-96 1585KB 1592KB [ 247.146055][ T3987] kmalloc-64 3242KB 3908KB [ 247.162972][ T3987] kmalloc-32 766KB 780KB [ 247.169970][ T3987] kmalloc-16 289KB 340KB [ 247.176058][ T3987] kmalloc-8 559KB 609KB [ 247.182844][ T3987] kmem_cache_node 203KB 204KB [ 247.191351][ T3987] kmem_cache 168KB 168KB [ 247.206522][ T3987] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=3987,uid=101 [ 247.221443][ T3987] Out of memory (oom_kill_allocating_task): Killed process 3987 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:48kB oom_score_adj:0 [ 247.407081][ T3988] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 247.418198][ T3988] CPU: 1 PID: 3988 Comm: dhcpcd Not tainted syzkaller #0 [ 247.425239][ T3988] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 247.435341][ T3988] Call Trace: [ 247.438618][ T3988] [ 247.441542][ T3988] dump_stack_lvl+0x168/0x230 [ 247.446225][ T3988] ? show_regs_print_info+0x20/0x20 [ 247.451427][ T3988] ? load_image+0x3b0/0x3b0 [ 247.455933][ T3988] ? local_lock_release+0x170/0x170 [ 247.461129][ T3988] ? __rwlock_init+0x140/0x140 [ 247.465890][ T3988] dump_header+0xd4/0x770 [ 247.470216][ T3988] oom_kill_process+0x20e/0x3d0 [ 247.475068][ T3988] out_of_memory+0xf5f/0x11e0 [ 247.479766][ T3988] ? __alloc_pages+0x470/0x470 [ 247.484551][ T3988] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 247.490817][ T3988] ? unregister_oom_notifier+0x20/0x20 [ 247.496306][ T3988] __alloc_pages_slowpath+0x1d11/0x27a0 [ 247.501904][ T3988] ? get_page_from_freelist+0x1c60/0x1c60 [ 247.507647][ T3988] ? prepare_alloc_pages+0x368/0x5f0 [ 247.512960][ T3988] __alloc_pages+0x332/0x470 [ 247.517577][ T3988] ? zone_statistics+0x170/0x170 [ 247.522535][ T3988] ? __lock_acquire+0x7c60/0x7c60 [ 247.527593][ T3988] ? __rwlock_init+0x140/0x140 [ 247.532383][ T3988] alloc_pages_vma+0x393/0x7c0 [ 247.537160][ T3988] ? __swp_swapcount+0xf5/0x120 [ 247.542021][ T3988] __read_swap_cache_async+0x1b5/0xa70 [ 247.547514][ T3988] swap_cluster_readahead+0x6a2/0x7c0 [ 247.552923][ T3988] ? read_swap_cache_async+0x90/0x90 [ 247.558253][ T3988] swapin_readahead+0xf3/0xaa0 [ 247.563032][ T3988] ? rcu_lock_release+0x5/0x20 [ 247.567817][ T3988] ? __lock_acquire+0x7c60/0x7c60 [ 247.572863][ T3988] ? exit_swap_address_space+0x280/0x280 [ 247.578522][ T3988] ? put_swap_device+0x15c/0x200 [ 247.583476][ T3988] ? lookup_swap_cache+0x135/0x440 [ 247.588605][ T3988] ? get_swap_device+0x21b/0x360 [ 247.593564][ T3988] do_swap_page+0x4b6/0x1f40 [ 247.598171][ T3988] ? count_memcg_event_mm+0x311/0x360 [ 247.603574][ T3988] handle_mm_fault+0x1ad7/0x43b0 [ 247.608564][ T3988] ? get_page+0xe0/0xe0 [ 247.612746][ T3988] ? vmacache_find+0x4e3/0x590 [ 247.617527][ T3988] ? vmacache_update+0xa0/0x100 [ 247.622398][ T3988] ? find_vma+0x1df/0x230 [ 247.626739][ T3988] do_user_addr_fault+0x489/0xc80 [ 247.631798][ T3988] exc_page_fault+0x60/0x100 [ 247.636416][ T3988] asm_exc_page_fault+0x22/0x30 [ 247.641285][ T3988] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 247.646590][ T3988] Code: 8b 74 24 30 4c 8d 76 12 48 8b 54 24 58 48 83 c2 06 45 31 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 2b 42 0f b7 44 fe 12 <66> 89 02 49 89 d5 44 39 fb 74 3b e8 84 c2 ab ff 49 ff c7 49 83 c6 [ 247.666211][ T3988] RSP: 0000:ffffc90002c8f880 EFLAGS: 00050246 [ 247.672304][ T3988] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888020c90000 [ 247.680291][ T3988] RDX: 0000562553d87d56 RSI: ffffc90002c8fc90 RDI: 0000000000000000 [ 247.688311][ T3988] RBP: ffffc90002c8fe30 R08: dffffc0000000000 R09: ffffed10044adae0 [ 247.696292][ T3988] R10: ffffed10044adae0 R11: 1ffff110044adadf R12: dffffc0000000000 [ 247.704275][ T3988] R13: 0000562553d87d60 R14: ffffc90002c8fca2 R15: 0000000000000000 [ 247.712276][ T3988] ? do_sys_poll+0x6b1/0x1100 [ 247.716977][ T3988] ? poll_select_finish+0x5e0/0x5e0 [ 247.722291][ T3988] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 247.728547][ T3988] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 247.734873][ T3988] ? set_user_sigmask+0x157/0x1b0 [ 247.739916][ T3988] ? sigprocmask+0x190/0x190 [ 247.744513][ T3988] ? __lock_acquire+0x7c60/0x7c60 [ 247.749551][ T3988] __se_sys_ppoll+0x1fc/0x260 [ 247.754244][ T3988] ? __x64_sys_ppoll+0xc0/0xc0 [ 247.759038][ T3988] ? __x64_sys_ppoll+0x1c/0xc0 [ 247.763813][ T3988] do_syscall_64+0x4c/0xa0 [ 247.768242][ T3988] ? clear_bhb_loop+0x30/0x80 [ 247.772932][ T3988] ? clear_bhb_loop+0x30/0x80 [ 247.777629][ T3988] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 247.783533][ T3988] RIP: 0033:0x7f3d2e9b2407 [ 247.787971][ T3988] Code: Unable to access opcode bytes at RIP 0x7f3d2e9b23dd. [ 247.795343][ T3988] RSP: 002b:00007fff034a0dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 247.803776][ T3988] RAX: ffffffffffffffda RBX: 00007f3d2e928740 RCX: 00007f3d2e9b2407 [ 247.811768][ T3988] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562553d87d50 [ 247.819759][ T3988] RBP: 00007fff034a1110 R08: 0000000000000008 R09: 0000000000000000 [ 247.827750][ T3988] R10: 00007fff034a1110 R11: 0000000000000202 R12: 00005625154ed5e0 [ 247.835746][ T3988] R13: 0000562553d7ad90 R14: 0000000000000000 R15: 00007fff034a0ec0 [ 247.843753][ T3988] [ 247.866539][ T3988] Mem-Info: [ 247.869717][ T3988] active_anon:0 inactive_anon:0 isolated_anon:0 [ 247.869717][ T3988] active_file:84 inactive_file:8 isolated_file:25 [ 247.869717][ T3988] unevictable:768 dirty:1 writeback:0 [ 247.869717][ T3988] slab_reclaimable:16191 slab_unreclaimable:117611 [ 247.869717][ T3988] mapped:1 shmem:768 pagetables:299 bounce:0 [ 247.869717][ T3988] kernel_misc_reclaimable:0 [ 247.869717][ T3988] free:9658 free_pcp:0 free_cma:0 [ 247.909546][ T3988] Node 0 active_anon:0kB inactive_anon:0kB active_file:128kB inactive_file:32kB unevictable:1536kB isolated(anon):0kB isolated(file):40kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? no [ 247.940476][ T3988] Node 1 active_anon:0kB inactive_anon:0kB active_file:80kB inactive_file:56kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? yes [ 248.073434][ T3988] Node 0 DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.243187][ T4387] slab_out_of_memory: 4656 callbacks suppressed [ 248.243207][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 248.258992][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 248.264435][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 248.269091][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 248.269110][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 248.278236][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 248.285488][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 248.290182][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 248.300236][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 248.300256][ T4312] node 0: slabs: 6182, objs: 74184, free: 0 [ 248.300273][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 248.308283][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 248.314333][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 248.324975][ T155] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 248.330979][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 248.337159][ T155] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 248.343118][ T4312] node 0: slabs: 6182, objs: 74184, free: 0 [ 248.351757][ T155] node 0: slabs: 1066, objs: 16930, free: 0 [ 248.351776][ T155] node 1: slabs: 616, objs: 5782, free: 31 [ 248.356627][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 248.360937][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 248.371256][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 248.406395][ T3988] lowmem_reserve[]: [ 248.408454][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 248.414568][ T3988] 0 [ 248.424665][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 248.425144][ T4406] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 248.428605][ T4522] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 248.434621][ T4406] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 248.437138][ T4522] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 248.437156][ T4522] node 0: slabs: 1066, objs: 16930, free: 0 [ 248.437171][ T4522] node 1: slabs: 616, objs: 5782, free: 31 [ 248.446386][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 248.451762][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 248.451778][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 248.451795][ C1] node 0: slabs: 6187, objs: 74244, free: 0 [ 248.451806][ C1] node 1: slabs: 1541, objs: 18492, free: 30 [ 248.451929][ T4406] node 0: slabs: 6188, objs: 74256, free: 0 [ 248.451945][ T4406] node 1: slabs: 1541, objs: 18492, free: 30 [ 248.545883][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 248.556608][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 248.562686][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 248.736354][ T3988] 2541 2542 2542 2542 [ 248.740568][ T3988] Node 0 DMA32 free:7316kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:644kB inactive_file:0kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:780kB local_pcp:424kB free_cma:0kB [ 248.778207][ T3988] lowmem_reserve[]: 0 0 0 0 0 [ 248.782966][ T3988] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.808965][ T3988] lowmem_reserve[]: 0 0 0 0 0 [ 248.813695][ T3988] Node 1 Normal free:20524kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:96kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 248.849444][ T3988] lowmem_reserve[]: 0 0 0 0 0 [ 248.854198][ T3988] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 248.911494][ T3988] Node 0 DMA32: 92*4kB (ME) 71*8kB (UME) 50*16kB (UME) 70*32kB (UME) 36*64kB (UM) 9*128kB (UM) 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 7944kB [ 248.943397][ T3988] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 248.975160][ T3988] Node 1 Normal: 23*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20524kB [ 249.081030][ T3988] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.150066][ T3988] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 249.225692][ T3988] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 249.305836][ T3988] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 249.316704][ T28] oom_reaper: reaped process 3987 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 249.386340][ T3988] 863 total pagecache pages [ 249.390882][ T3988] 0 pages in swap cache [ 249.395046][ T3988] Swap cache stats: add 38135, delete 38135, find 69/492 [ 249.509213][ T3988] Free swap = 107416kB [ 249.513403][ T3988] Total swap = 124996kB [ 249.542526][ T3988] 2097051 pages RAM [ 249.585767][ T3988] 0 pages HighMem/MovableOnly [ 249.609718][ T3988] 410817 pages reserved [ 249.613907][ T3988] 0 pages cma reserved [ 249.652939][ T3988] Unreclaimable slab info: [ 249.696333][ T3988] Name Used Total [ 249.702611][ T3988] pid_2 22KB 22KB [ 249.748736][ T3988] bio-320 7KB 7KB [ 249.754865][ T3988] zswap_entry 3205KB 3205KB [ 249.761015][ T3988] batadv_tt_change_cache 8KB 8KB [ 249.767659][ T3988] batadv_tl_cache 8KB 8KB [ 249.773781][ T3988] TIPC 63KB 63KB [ 249.786055][ T3988] SCTPv6 63KB 63KB [ 249.792203][ T3988] DCCPv6 59KB 59KB [ 249.806498][ T3988] DCCP 61KB 61KB [ 249.814589][ T3988] RXRPC 61KB 61KB [ 249.826406][ T3988] rxrpc_call_jar 249KB 252KB [ 249.832513][ T3988] bridge_fdb_cache 15KB 15KB [ 249.849371][ T3988] MPTCPv6 30KB 30KB [ 249.855459][ T3988] fib6_nodes 224KB 224KB [ 249.865377][ T3988] ip6_dst_cache 357KB 592KB [ 249.885032][ T3988] RAWv6 308KB 308KB [ 249.904563][ T3988] UDPv6 128KB 128KB [ 249.914271][ T3988] TCPv6 95KB 95KB [ 249.922338][ T3988] nf_conntrack 39KB 39KB [ 249.935358][ T3988] wg_peer 152KB 152KB [ 249.958404][ T3988] allowedips_node 19KB 19KB [ 249.971311][ T3988] t10_alua_lu_gp_cache 3KB 3KB [ 249.990306][ T3988] sd_ext_cdb 3KB 3KB [ 250.003756][ T3988] scsi_sense_cache 1092KB 1092KB [ 250.061571][ T3988] virtio_scsi_cmd 16KB 16KB [ 250.106416][ T3988] bio-136 93KB 96KB [ 250.112609][ T3988] sgpool-128 29KB 29KB [ 250.142044][ T3988] sgpool-64 95KB 95KB [ 250.155324][ T3988] sgpool-32 110KB 110KB [ 250.182534][ T3988] sgpool-16 52KB 52KB [ 250.200433][ T3988] sgpool-8 63KB 63KB [ 250.213525][ T3988] bio-224 3KB 3KB [ 250.239411][ T3988] mqueue_inode_cache 60KB 60KB [ 250.253244][ T3988] f2fs_bio_post_read_ctx 16KB 16KB [ 250.265448][ T3988] jfs_mp 7KB 7KB [ 250.276666][ T4406] warn_alloc: 7901 callbacks suppressed [ 250.276679][ T4406] kworker/1:7: page allocation failure: order:0, mode:0xa20(GFP_ATOMIC), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 250.295060][ T4406] CPU: 1 PID: 4406 Comm: kworker/1:7 Not tainted syzkaller #0 [ 250.302532][ T4406] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 250.312593][ T4406] Workqueue: events nsim_dev_trap_report_work [ 250.318695][ T4406] Call Trace: [ 250.321977][ T4406] [ 250.324919][ T4406] dump_stack_lvl+0x168/0x230 [ 250.329614][ T4406] ? rcu_lock_release+0x5/0x20 [ 250.334386][ T4406] ? show_regs_print_info+0x20/0x20 [ 250.339603][ T4406] ? load_image+0x3b0/0x3b0 [ 250.344132][ T4406] warn_alloc+0x20e/0x2f0 [ 250.348495][ T4406] ? seqcount_lockdep_reader_access+0xc7/0x170 [ 250.354668][ T4406] ? zone_watermark_ok_safe+0x240/0x240 [ 250.360238][ T4406] ? __cpuset_node_allowed+0x99/0x540 [ 250.365629][ T4406] ? wakeup_kswapd+0x46b/0x7a0 [ 250.370844][ T4406] __alloc_pages_slowpath+0x2745/0x27a0 [ 250.376435][ T4406] ? stack_trace_snprint+0xf0/0xf0 [ 250.382089][ T4406] ? get_page_from_freelist+0x1c60/0x1c60 [ 250.387820][ T4406] ? __alloc_pages+0x470/0x470 [ 250.392601][ T4406] ? prepare_alloc_pages+0x368/0x5f0 [ 250.397910][ T4406] __alloc_pages+0x332/0x470 [ 250.402518][ T4406] ? zone_statistics+0x170/0x170 [ 250.407477][ T4406] ? alloc_pages+0x438/0x550 [ 250.412082][ T4406] new_slab+0x2e6/0x4b0 [ 250.416243][ T4406] ? kmem_cache_alloc_node+0x1c3/0x2d0 [ 250.421712][ T4406] ___slab_alloc+0x81e/0xdf0 [ 250.426337][ T4406] ? __alloc_skb+0xf4/0x750 [ 250.430862][ T4406] kmem_cache_alloc_node+0x1c3/0x2d0 [ 250.436166][ T4406] ? __alloc_skb+0xf4/0x750 [ 250.440685][ T4406] __alloc_skb+0xf4/0x750 [ 250.445041][ T4406] nsim_dev_trap_report_work+0x2a1/0xb40 [ 250.450701][ T4406] ? read_lock_is_recursive+0x10/0x10 [ 250.456133][ T4406] ? _raw_spin_unlock_irq+0x1f/0x40 [ 250.461348][ T4406] process_one_work+0x863/0x1000 [ 250.466317][ T4406] ? worker_detach_from_pool+0x240/0x240 [ 250.471957][ T4406] ? lockdep_hardirqs_off+0x70/0x100 [ 250.477261][ T4406] ? _raw_spin_lock_irq+0xab/0xe0 [ 250.482301][ T4406] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 250.487686][ T4406] ? wq_worker_running+0x97/0x170 [ 250.492728][ T4406] worker_thread+0xaa8/0x12a0 [ 250.497427][ T4406] ? lockdep_hardirqs_on+0x94/0x140 [ 250.502646][ T4406] ? lockdep_hardirqs_on+0x94/0x140 [ 250.507965][ T4406] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 250.513880][ T4406] kthread+0x436/0x520 [ 250.517958][ T4406] ? rcu_lock_release+0x20/0x20 [ 250.522830][ T4406] ? kthread_blkcg+0xd0/0xd0 [ 250.527559][ T4406] ret_from_fork+0x1f/0x30 [ 250.532003][ T4406] [ 250.536017][ T4406] Mem-Info: [ 250.539260][ T4406] active_anon:0 inactive_anon:0 isolated_anon:0 [ 250.539260][ T4406] active_file:97 inactive_file:21 isolated_file:0 [ 250.539260][ T4406] unevictable:768 dirty:1 writeback:0 [ 250.539260][ T4406] slab_reclaimable:16191 slab_unreclaimable:117880 [ 250.539260][ T4406] mapped:1 shmem:768 pagetables:299 bounce:0 [ 250.539260][ T4406] kernel_misc_reclaimable:0 [ 250.539260][ T4406] free:9317 free_pcp:229 free_cma:0 [ 250.579081][ T4406] Node 0 active_anon:0kB inactive_anon:0kB active_file:220kB inactive_file:88kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? no [ 250.608495][ T4406] Node 1 active_anon:0kB inactive_anon:0kB active_file:148kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? no [ 250.637481][ T4406] Node 0 DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.663700][ T4406] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 250.669507][ T4406] Node 0 DMA32 free:6512kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:16kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:888kB local_pcp:448kB free_cma:0kB [ 250.697886][ T4406] lowmem_reserve[]: 0 0 0 0 0 [ 250.702619][ T4406] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.728476][ T4406] lowmem_reserve[]: 0 0 0 0 0 [ 250.733212][ T4406] Node 1 Normal free:20524kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:148kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.761431][ T4406] lowmem_reserve[]: 0 0 0 0 0 [ 250.766189][ T4406] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 250.781699][ T4406] Node 0 DMA32: 93*4kB (UME) 57*8kB (UME) 39*16kB (UME) 65*32kB (UME) 18*64kB (UM) 9*128kB (UM) 2*256kB (U) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 6348kB [ 250.797206][ T4406] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 250.808741][ T4406] Node 1 Normal: 23*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20524kB [ 250.825384][ T4406] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.834997][ T4406] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 250.844319][ T4406] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.853894][ T4406] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 250.863214][ T4406] 863 total pagecache pages [ 250.867739][ T4406] 0 pages in swap cache [ 250.871896][ T4406] Swap cache stats: add 38135, delete 38135, find 69/492 [ 250.878964][ T4406] Free swap = 107416kB [ 250.883123][ T4406] Total swap = 124996kB [ 250.887313][ T4406] 2097051 pages RAM [ 250.891137][ T4406] 0 pages HighMem/MovableOnly [ 250.895828][ T4406] 410817 pages reserved [ 250.900108][ T4406] 0 pages cma reserved [ 250.916437][ T3988] cifs_small_rq 16KB 16KB [ 250.922529][ T3988] cifs_request 67KB 67KB [ 250.985252][ T3988] cifs_mpx_ids 4KB 4KB [ 251.026419][ T3988] nfs_commit_data 15KB 15KB [ 251.032522][ T3988] nfs_write_data 47KB 47KB [ 251.078598][ T3988] jbd2_inode 7KB 7KB [ 251.084692][ T3988] ext4_system_zone 3KB 3KB [ 251.122593][ T3988] ext4_io_end_vec 7KB 7KB [ 251.136335][ T3988] ext4_bio_post_read_ctx 15KB 15KB [ 251.142899][ T3988] pid_namespace 7KB 7KB [ 251.176399][ T3988] rpc_buffers 31KB 31KB [ 251.182489][ T3988] rpc_tasks 3KB 3KB [ 251.216524][ T3988] UNIX-STREAM 288KB 288KB [ 251.222614][ T3988] UNIX 514KB 736KB [ 251.276364][ T3988] MPTCP 31KB 31KB [ 251.282492][ T3988] request_sock_subflow_v4 7KB 7KB [ 251.336366][ T3988] tcp_bind_bucket 8KB 8KB [ 251.342491][ T3988] ip_fib_trie 36KB 36KB [ 251.375375][ T3988] ip_fib_alias 122KB 122KB [ 251.414980][ T3988] ip_dst_cache 24KB 24KB [ 251.446087][ T3988] RAW 123KB 123KB [ 251.452258][ T3988] UDP 154KB 154KB [ 251.476363][ T3988] request_sock_TCP 15KB 15KB [ 251.482456][ T3988] TCP 60KB 60KB [ 251.516499][ T3988] hugetlbfs_inode_cache 30KB 30KB [ 251.524013][ T3988] fscache_cookie_jar 15KB 15KB [ 251.543535][ T3988] bio-256 11KB 11KB [ 251.626369][ T3988] ep_head 16KB 16KB [ 251.632482][ T3988] eventpoll_pwq 39KB 39KB [ 251.656426][ T3988] eventpoll_epi 74KB 74KB [ 251.662530][ T3988] inotify_inode_mark 19KB 19KB [ 251.696485][ T3988] bio_crypt_ctx 7KB 7KB [ 251.702583][ T3988] request_queue 413KB 570KB [ 251.776405][ T3988] blkdev_ioc 18KB 18KB [ 251.782525][ T3988] bio-200 151KB 195KB [ 251.806481][ T3988] biovec-max 352KB 416KB [ 251.812583][ T3988] biovec-64 236KB 236KB [ 251.829183][ T3988] biovec-16 33KB 33KB [ 251.835271][ T3988] bio_integrity_payload 3KB 3KB [ 251.851978][ T3988] user_namespace 15KB 15KB [ 251.860918][ T3988] uid_cache 7KB 7KB [ 251.871069][ T3988] dmaengine-unmap-256 30KB 30KB [ 251.877604][ T3988] dmaengine-unmap-128 15KB 15KB [ 251.896017][ T3988] dmaengine-unmap-16 4KB 4KB [ 251.906238][ T3988] dmaengine-unmap-2 4KB 4KB [ 251.948791][ T3988] QIPCRTR 31KB 31KB [ 251.964770][ T3988] audit_buffer 3KB 3KB [ 251.987182][ T3988] skbuff_ext_cache 56KB 56KB [ 251.993312][ T3988] skbuff_fclone_cache 202KB 240KB [ 252.001732][ T3988] skbuff_head_cache 29390KB 29400KB [ 252.015796][ T3988] configfs_dir_cache 8KB 8KB [ 252.024193][ T3988] file_lock_cache 31KB 39KB [ 252.041355][ T3988] file_lock_ctx 15KB 15KB [ 252.056125][ T3988] fsnotify_mark_connector 16KB 16KB [ 252.063680][ T3988] taskstats 15KB 15KB [ 252.071424][ T3988] proc_dir_entry 1106KB 1106KB [ 252.106419][ T3988] pde_opener 15KB 15KB [ 252.112521][ T3988] seq_file 78KB 93KB [ 252.128514][ T3988] sigqueue 137KB 153KB [ 252.136181][ T3988] shmem_inode_cache 7202KB 7338KB [ 252.152252][ T3988] kernfs_iattrs_cache 7KB 7KB [ 252.162988][ T3988] kernfs_node_cache 32105KB 32199KB [ 252.173255][ T3988] mnt_cache 157KB 165KB [ 252.192420][ T3988] filp 371KB 900KB [ 252.198734][ T3988] names_cache 850KB 1338KB [ 252.204812][ T3988] net_namespace 185KB 185KB [ 252.211054][ T3988] iint_cache 45KB 45KB [ 252.289387][ T3988] lsm_inode_cache 1708KB 1900KB [ 252.319629][ T3988] lsm_file_cache 128KB 322KB [ 252.325730][ T3988] key_jar 15KB 15KB [ 252.368805][ T3988] uts_namespace 15KB 15KB [ 252.374981][ T3988] nsproxy 15KB 15KB [ 252.401478][ T3988] vm_area_struct 447KB 684KB [ 252.424167][ T3988] fs_cache 51KB 84KB [ 252.458425][ T3988] files_cache 207KB 350KB [ 252.464685][ T3988] signal_cache 721KB 1945KB [ 252.561790][ T3988] sighand_cache 962KB 962KB [ 252.592743][ T3988] task_struct 3220KB 4105KB [ 252.636932][ T3988] cred_jar 172KB 431KB [ 252.643323][ T3988] anon_vma_chain 277KB 374KB [ 252.703796][ T3988] anon_vma 181KB 203KB [ 252.763931][ T3988] pid 141KB 322KB [ 252.770113][ T3988] Acpi-Operand 207KB 245KB [ 252.776200][ T3988] Acpi-ParseExt 23KB 23KB [ 252.782351][ T3988] Acpi-Parse 126KB 126KB [ 252.788469][ T3988] Acpi-State 74KB 110KB [ 252.794550][ T3988] Acpi-Namespace 28KB 28KB [ 252.800661][ T3988] numa_policy 3KB 3KB [ 252.806769][ T3988] perf_event 31KB 31KB [ 252.812849][ T3988] trace_event_file 432KB 432KB [ 252.818996][ T3988] ftrace_event_field 548KB 548KB [ 252.825159][ T3988] pool_workqueue 262KB 272KB [ 252.831299][ T3988] task_group 30KB 30KB [ 252.844648][ T3988] mm_struct 379KB 693KB [ 252.859511][ T3988] vmap_area 265KB 334KB [ 252.865667][ T3988] debug_objects_cache 1834KB 2047KB [ 253.002604][ T3988] page->ptl 137KB 212KB [ 253.075876][ T3988] kmalloc-cg-8k 2176KB 2176KB [ 253.098879][ T3988] kmalloc-cg-4k 5464KB 5736KB [ 253.104990][ T3988] kmalloc-cg-2k 1316KB 1316KB [ 253.162718][ T3988] kmalloc-cg-1k 878KB 896KB [ 253.215176][ T3988] kmalloc-cg-512 2331KB 2408KB [ 253.256361][ T3988] kmalloc-cg-256 48KB 48KB [ 253.263404][ T3988] kmalloc-cg-192 148KB 148KB [ 253.277522][ T1493] slab_out_of_memory: 4335 callbacks suppressed [ 253.277537][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 253.292795][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 253.302958][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 253.309137][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 253.315207][ T155] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 253.315222][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 253.324269][ T155] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 253.333301][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 253.333329][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 253.333348][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 253.333451][ T4522] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 253.343479][ T155] node 0: slabs: 1066, objs: 16930, free: 0 [ 253.343500][ T155] node 1: slabs: 616, objs: 5782, free: 31 [ 253.343807][ T4406] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 253.353658][ T4522] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 253.353678][ T4522] node 0: slabs: 1066, objs: 16930, free: 0 [ 253.359817][ T4406] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 253.366351][ T4522] node 1: slabs: 616, objs: 5782, free: 31 [ 253.366798][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 253.375328][ T4406] node 0: slabs: 6352, objs: 76224, free: 0 [ 253.381463][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 253.381486][ T4275] node 0: slabs: 6352, objs: 76224, free: 0 [ 253.381505][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 253.381548][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 253.381565][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 253.381586][ T4275] node 0: slabs: 6352, objs: 76224, free: 0 [ 253.381604][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 253.387598][ T4406] node 1: slabs: 1541, objs: 18492, free: 30 [ 253.395640][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 253.405890][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 253.411931][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 253.422397][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 253.428390][ T4275] node 0: slabs: 6352, objs: 76224, free: 0 [ 253.436361][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 253.436377][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 253.442421][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 253.453242][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 253.573949][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 253.584062][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 253.590176][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 253.613039][ T3988] kmalloc-cg-128 128KB 128KB [ 253.656549][ T3988] kmalloc-cg-96 16KB 16KB [ 253.662771][ T3988] kmalloc-cg-64 16KB 16KB [ 253.794390][ T3988] kmalloc-cg-32 24KB 24KB [ 253.806332][ T3988] kmalloc-cg-16 191KB 248KB [ 253.812421][ T3988] kmalloc-cg-8 27KB 27KB [ 253.836372][ T3988] kmalloc-8k 10432KB 10512KB [ 253.842571][ T3988] kmalloc-4k 181696KB 181776KB [ 253.856361][ T3988] kmalloc-2k 26596KB 29920KB [ 253.862448][ T3988] kmalloc-1k 45362KB 45424KB [ 253.896360][ T3988] kmalloc-512 43613KB 43632KB [ 253.902452][ T3988] kmalloc-256 5252KB 5256KB [ 253.991827][ T3988] kmalloc-192 1160KB 1680KB [ 254.016336][ T3988] kmalloc-128 1703KB 1720KB [ 254.022518][ T3988] kmalloc-96 1585KB 1592KB [ 254.076415][ T3988] kmalloc-64 3242KB 3908KB [ 254.121405][ T3988] kmalloc-32 766KB 780KB [ 254.148971][ T3988] kmalloc-16 289KB 340KB [ 254.155293][ T3988] kmalloc-8 559KB 609KB [ 254.183133][ T3988] kmem_cache_node 203KB 204KB [ 254.194902][ T3988] kmem_cache 168KB 168KB [ 254.212033][ T3988] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=3988,uid=101 [ 254.236879][ T3988] Out of memory (oom_kill_allocating_task): Killed process 3988 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:48kB oom_score_adj:0 [ 255.716420][ C0] aoe: skb alloc failure [ 255.721336][ C0] aoe: skb alloc failure [ 255.725624][ C0] aoe: skb alloc failure [ 255.729916][ C0] aoe: skb alloc failure [ 255.734188][ C0] aoe: skb alloc failure [ 255.738488][ C0] aoe: skb alloc failure [ 255.742749][ C0] aoe: skb alloc failure [ 255.747026][ C0] aoe: skb alloc failure [ 255.751293][ C0] aoe: skb alloc failure [ 255.755645][ C0] aoe: skb alloc failure [ 255.759935][ C0] aoe: skb alloc failure [ 255.764201][ C0] aoe: skb alloc failure [ 255.768486][ C0] aoe: skb alloc failure [ 255.772770][ C0] aoe: skb alloc failure [ 255.777057][ C0] aoe: skb alloc failure [ 255.781322][ C0] aoe: skb alloc failure [ 255.785596][ C0] aoe: skb alloc failure [ 255.789874][ C0] aoe: skb alloc failure [ 255.794131][ C0] aoe: skb alloc failure [ 255.798427][ C0] aoe: skb alloc failure [ 255.802695][ C0] aoe: skb alloc failure [ 255.806984][ T146] Bluetooth: hci5: no memory for command (opcode 0x0406) [ 255.806991][ C0] aoe: skb alloc failure [ 255.814024][ C0] aoe: skb alloc failure [ 255.814043][ C0] aoe: skb alloc failure [ 255.818711][ T146] Bluetooth: hci5: failed to run HCI request: err -12 [ 255.822913][ C0] aoe: skb alloc failure [ 255.822932][ C0] aoe: skb alloc failure [ 255.822951][ C0] aoe: skb alloc failure [ 255.822968][ C0] aoe: skb alloc failure [ 255.822986][ C0] aoe: skb alloc failure [ 255.823003][ C0] aoe: skb alloc failure [ 255.823020][ C0] aoe: skb alloc failure [ 255.823038][ C0] aoe: skb alloc failure [ 255.823056][ C0] aoe: skb alloc failure [ 255.823074][ C0] aoe: skb alloc failure [ 255.823093][ C0] aoe: skb alloc failure [ 255.823112][ C0] aoe: skb alloc failure [ 255.823131][ C0] aoe: skb alloc failure [ 255.823150][ C0] aoe: skb alloc failure [ 255.823170][ C0] aoe: skb alloc failure [ 255.823188][ C0] aoe: skb alloc failure [ 255.823206][ C0] aoe: skb alloc failure [ 255.823225][ C0] aoe: skb alloc failure [ 255.823244][ C0] aoe: skb alloc failure [ 255.823262][ C0] aoe: skb alloc failure [ 255.823282][ C0] aoe: skb alloc failure [ 255.823301][ C0] aoe: skb alloc failure [ 255.823320][ C0] aoe: skb alloc failure [ 255.823339][ C0] aoe: skb alloc failure [ 255.823357][ C0] aoe: skb alloc failure [ 255.823383][ C0] aoe: skb alloc failure [ 255.823401][ C0] aoe: skb alloc failure [ 255.823420][ C0] aoe: skb alloc failure [ 255.823438][ C0] aoe: skb alloc failure [ 255.823457][ C0] aoe: skb alloc failure [ 255.823476][ C0] aoe: skb alloc failure [ 255.823495][ C0] aoe: skb alloc failure [ 255.823514][ C0] aoe: skb alloc failure [ 255.823532][ C0] aoe: skb alloc failure [ 255.823547][ C0] aoe: skb alloc failure [ 255.823564][ C0] aoe: skb alloc failure [ 255.823582][ C0] aoe: skb alloc failure [ 255.823601][ C0] aoe: skb alloc failure [ 255.823620][ C0] aoe: skb alloc failure [ 255.823638][ C0] aoe: skb alloc failure [ 255.823657][ C0] aoe: skb alloc failure [ 255.823675][ C0] aoe: skb alloc failure [ 255.823695][ C0] aoe: skb alloc failure [ 255.985939][ T4002] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 255.987966][ C0] aoe: skb alloc failure [ 256.032394][ C0] aoe: skb alloc failure [ 256.036778][ C0] aoe: skb alloc failure [ 256.041052][ C0] aoe: skb alloc failure [ 256.045315][ C0] aoe: skb alloc failure [ 256.049603][ C0] aoe: skb alloc failure [ 256.053863][ C0] aoe: skb alloc failure [ 256.058162][ C0] aoe: skb alloc failure [ 256.062428][ C0] aoe: skb alloc failure [ 256.066720][ C0] aoe: skb alloc failure [ 256.070983][ C0] aoe: skb alloc failure [ 256.075252][ C0] aoe: skb alloc failure [ 256.079544][ C0] aoe: skb alloc failure [ 256.083806][ C0] aoe: skb alloc failure [ 256.088095][ C0] aoe: skb alloc failure [ 256.092364][ C0] aoe: skb alloc failure [ 256.096649][ C0] aoe: skb alloc failure [ 256.100911][ C0] aoe: skb alloc failure [ 256.104006][ T4002] CPU: 1 PID: 4002 Comm: dhcpcd Not tainted syzkaller #0 [ 256.105167][ C0] aoe: skb alloc failure [ 256.112170][ T4002] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 256.112185][ T4002] Call Trace: [ 256.112193][ T4002] [ 256.112203][ T4002] dump_stack_lvl+0x168/0x230 [ 256.116475][ C0] aoe: skb alloc failure [ 256.126506][ T4002] ? show_regs_print_info+0x20/0x20 [ 256.129814][ C0] aoe: skb alloc failure [ 256.132736][ T4002] ? load_image+0x3b0/0x3b0 [ 256.137446][ C0] aoe: skb alloc failure [ 256.141655][ T4002] ? local_lock_release+0x170/0x170 [ 256.146894][ C0] aoe: skb alloc failure [ 256.151097][ T4002] ? __rwlock_init+0x140/0x140 [ 256.155629][ C0] aoe: skb alloc failure [ 256.159864][ T4002] dump_header+0xd4/0x770 [ 256.159898][ T4002] oom_kill_process+0x20e/0x3d0 [ 256.165099][ C0] aoe: skb alloc failure [ 256.169328][ T4002] out_of_memory+0xf5f/0x11e0 [ 256.169370][ T4002] ? __alloc_pages+0x470/0x470 [ 256.174126][ C0] aoe: skb alloc failure [ 256.178370][ T4002] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 256.178412][ T4002] ? unregister_oom_notifier+0x20/0x20 [ 256.182751][ C0] aoe: skb alloc failure [ 256.187585][ T4002] __alloc_pages_slowpath+0x1d11/0x27a0 [ 256.191850][ C0] aoe: skb alloc failure [ 256.196528][ T4002] ? get_page_from_freelist+0x1c60/0x1c60 [ 256.201305][ C0] aoe: skb alloc failure [ 256.205530][ T4002] ? prepare_alloc_pages+0x368/0x5f0 [ 256.211798][ C0] aoe: skb alloc failure [ 256.217212][ T4002] __alloc_pages+0x332/0x470 [ 256.221472][ C0] aoe: skb alloc failure [ 256.226998][ T4002] ? zone_statistics+0x170/0x170 [ 256.227028][ T4002] ? __lock_acquire+0x7c60/0x7c60 [ 256.231286][ C0] aoe: skb alloc failure [ 256.236994][ T4002] ? __rwlock_init+0x140/0x140 [ 256.237020][ T4002] alloc_pages_vma+0x393/0x7c0 [ 256.283322][ T4002] ? __swp_swapcount+0xf5/0x120 [ 256.288194][ T4002] __read_swap_cache_async+0x1b5/0xa70 [ 256.293676][ T4002] swap_cluster_readahead+0x6a2/0x7c0 [ 256.299158][ T4002] ? read_swap_cache_async+0x90/0x90 [ 256.304481][ T4002] swapin_readahead+0xf3/0xaa0 [ 256.309268][ T4002] ? rcu_lock_release+0x5/0x20 [ 256.312056][ T146] Bluetooth: hci6: no memory for command (opcode 0x0406) [ 256.314083][ T4002] ? __lock_acquire+0x7c60/0x7c60 [ 256.321667][ T146] Bluetooth: hci6: failed to run HCI request: err -12 [ 256.326645][ T4002] ? exit_swap_address_space+0x280/0x280 [ 256.326676][ T4002] ? put_swap_device+0x15c/0x200 [ 256.343986][ T4002] ? lookup_swap_cache+0x135/0x440 [ 256.349161][ T4002] ? get_swap_device+0x21b/0x360 [ 256.354124][ T4002] do_swap_page+0x4b6/0x1f40 [ 256.358731][ T4002] ? count_memcg_event_mm+0x311/0x360 [ 256.364134][ T4002] handle_mm_fault+0x1ad7/0x43b0 [ 256.369140][ T4002] ? get_page+0xe0/0xe0 [ 256.373331][ T4002] ? vmacache_find+0x4e3/0x590 [ 256.378116][ T4002] ? vmacache_update+0xa0/0x100 [ 256.382988][ T4002] ? find_vma+0x1df/0x230 [ 256.387339][ T4002] do_user_addr_fault+0x489/0xc80 [ 256.392394][ T4002] exc_page_fault+0x60/0x100 [ 256.397005][ T4002] asm_exc_page_fault+0x22/0x30 [ 256.401885][ T4002] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 256.407194][ T4002] Code: 8b 74 24 30 4c 8d 76 12 48 8b 54 24 58 48 83 c2 06 45 31 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 2b 42 0f b7 44 fe 12 <66> 89 02 49 89 d5 44 39 fb 74 3b e8 84 c2 ab ff 49 ff c7 49 83 c6 [ 256.426818][ T4002] RSP: 0000:ffffc90002ecf880 EFLAGS: 00050246 [ 256.432902][ T4002] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888020aad940 [ 256.440893][ T4002] RDX: 0000562553d87d56 RSI: ffffc90002ecfc90 RDI: 0000000000000000 [ 256.448889][ T4002] RBP: ffffc90002ecfe30 R08: dffffc0000000000 R09: ffffed10049e62e0 [ 256.456872][ T4002] R10: ffffed10049e62e0 R11: 1ffff110049e62df R12: dffffc0000000000 [ 256.464855][ T4002] R13: 0000562553d87d60 R14: ffffc90002ecfca2 R15: 0000000000000000 [ 256.472862][ T4002] ? do_sys_poll+0x6b1/0x1100 [ 256.477565][ T4002] ? poll_select_finish+0x5e0/0x5e0 [ 256.482790][ T4002] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 256.489050][ T4002] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 256.495393][ T4002] ? set_user_sigmask+0x157/0x1b0 [ 256.500439][ T4002] ? sigprocmask+0x190/0x190 [ 256.505066][ T4002] ? __lock_acquire+0x7c60/0x7c60 [ 256.510122][ T4002] __se_sys_ppoll+0x1fc/0x260 [ 256.514812][ T4002] ? __x64_sys_ppoll+0xc0/0xc0 [ 256.519603][ T4002] ? __x64_sys_ppoll+0x1c/0xc0 [ 256.524395][ T4002] do_syscall_64+0x4c/0xa0 [ 256.528827][ T4002] ? clear_bhb_loop+0x30/0x80 [ 256.533521][ T4002] ? clear_bhb_loop+0x30/0x80 [ 256.538218][ T4002] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 256.544124][ T4002] RIP: 0033:0x7f3d2e9b2407 [ 256.548558][ T4002] Code: Unable to access opcode bytes at RIP 0x7f3d2e9b23dd. [ 256.555928][ T4002] RSP: 002b:00007fff034a0dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 256.564383][ T4002] RAX: ffffffffffffffda RBX: 00007f3d2e928740 RCX: 00007f3d2e9b2407 [ 256.572367][ T4002] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562553d87d50 [ 256.580377][ T4002] RBP: 00007fff034a1110 R08: 0000000000000008 R09: 0000000000000000 [ 256.588508][ T4002] R10: 00007fff034a1110 R11: 0000000000000202 R12: 00005625154ed5e0 [ 256.596499][ T4002] R13: 0000562553d7ad90 R14: 0000000000000000 R15: 00007fff034a0ec0 [ 256.604507][ T4002] [ 256.608388][ T28] oom_reaper: reaped process 3988 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 256.661263][ T4002] Mem-Info: [ 256.664431][ T4002] active_anon:0 inactive_anon:0 isolated_anon:0 [ 256.664431][ T4002] active_file:45 inactive_file:35 isolated_file:0 [ 256.664431][ T4002] unevictable:768 dirty:1 writeback:0 [ 256.664431][ T4002] slab_reclaimable:16191 slab_unreclaimable:118442 [ 256.664431][ T4002] mapped:1 shmem:768 pagetables:299 bounce:0 [ 256.664431][ T4002] kernel_misc_reclaimable:0 [ 256.664431][ T4002] free:8695 free_pcp:234 free_cma:0 [ 256.991474][ T4002] Node 0 active_anon:0kB inactive_anon:0kB active_file:268kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? yes [ 257.176449][ T4002] Node 1 active_anon:0kB inactive_anon:0kB active_file:20kB inactive_file:120kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? yes [ 257.277118][ T4002] Node 0 DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.487785][ T4002] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 257.527053][ T4002] Node 0 DMA32 free:3820kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:456kB inactive_file:0kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:888kB local_pcp:444kB free_cma:0kB [ 257.756358][ T4002] lowmem_reserve[]: 0 0 0 0 0 [ 257.761148][ T4002] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.966344][ T4002] lowmem_reserve[]: 0 0 0 0 0 [ 257.972167][ T4002] Node 1 Normal free:20524kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:24kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 258.166800][ T4002] lowmem_reserve[]: 0 0 0 0 0 [ 258.194251][ T4002] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 258.257625][ T4002] Node 0 DMA32: 87*4kB (ME) 39*8kB (UME) 31*16kB (UME) 49*32kB (UME) 11*64kB (M) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 3428kB [ 258.366747][ T4312] slab_out_of_memory: 4415 callbacks suppressed [ 258.366765][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 258.376690][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 258.381756][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 258.381780][ T4312] node 0: slabs: 6519, objs: 78228, free: 0 [ 258.381798][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 258.412772][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 258.423360][ T1108] node 0: slabs: 6519, objs: 78228, free: 0 [ 258.429501][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 258.435836][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 258.435856][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 258.444913][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 258.453855][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 258.463936][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 258.474001][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 258.474018][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 258.474100][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 258.480156][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 258.486523][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 258.486538][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 258.486553][ C1] node 0: slabs: 6519, objs: 78228, free: 0 [ 258.486565][ C1] node 1: slabs: 1541, objs: 18492, free: 30 [ 258.486592][ C0] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 258.486609][ C0] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 258.486626][ C0] node 0: slabs: 6519, objs: 78228, free: 0 [ 258.486642][ C0] node 1: slabs: 1541, objs: 18492, free: 30 [ 258.486959][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 258.492977][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 258.492997][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 258.493017][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 258.493034][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 258.493250][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 258.502025][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 258.508025][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 258.515995][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 258.526505][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 258.566575][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 258.569515][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 258.579592][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 258.628189][ T4002] Node 0 [ 258.636577][ T4312] node 0: slabs: 6524, objs: 78288, free: 0 [ 258.676771][ T4002] Normal: 0*4kB 0*8kB 0*16kB [ 258.682149][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 258.756350][ T4002] 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 258.764915][ T4002] Node 1 Normal: 23*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20524kB [ 258.829185][ T4002] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.852804][ T4002] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 258.926337][ T4002] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 258.971967][ T4002] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 258.996419][ T4002] 863 total pagecache pages [ 259.000974][ T4002] 0 pages in swap cache [ 259.005151][ T4002] Swap cache stats: add 38135, delete 38135, find 69/492 [ 259.036375][ T4002] Free swap = 107416kB [ 259.040621][ T4002] Total swap = 124996kB [ 259.044829][ T4002] 2097051 pages RAM [ 259.048679][ T4002] 0 pages HighMem/MovableOnly [ 259.054722][ T4002] 410817 pages reserved [ 259.058983][ T4002] 0 pages cma reserved [ 259.063066][ T4002] Unreclaimable slab info: [ 259.067571][ T4002] Name Used Total [ 259.075952][ T4002] pid_2 22KB 22KB [ 259.133935][ T4002] bio-320 7KB 7KB [ 259.171612][ T4002] zswap_entry 3205KB 3205KB [ 259.195861][ T4002] batadv_tt_change_cache 8KB 8KB [ 259.223261][ T4002] batadv_tl_cache 8KB 8KB [ 259.244088][ T4002] TIPC 63KB 63KB [ 259.257623][ T4002] SCTPv6 63KB 63KB [ 259.263745][ T4002] DCCPv6 59KB 59KB [ 259.377114][ T4002] DCCP 61KB 61KB [ 259.383284][ T4002] RXRPC 61KB 61KB [ 259.482473][ T4002] rxrpc_call_jar 249KB 252KB [ 259.507716][ T4002] bridge_fdb_cache 15KB 15KB [ 259.513830][ T4002] MPTCPv6 30KB 30KB [ 259.578531][ T4002] fib6_nodes 224KB 224KB [ 259.584659][ T4002] ip6_dst_cache 357KB 592KB [ 259.652917][ T4002] RAWv6 308KB 308KB [ 259.708311][ T4002] UDPv6 128KB 128KB [ 259.715338][ T4002] TCPv6 95KB 95KB [ 259.799502][ T4002] nf_conntrack 39KB 39KB [ 259.805666][ T4002] wg_peer 152KB 152KB [ 259.890009][ T4002] allowedips_node 19KB 19KB [ 259.896241][ T4002] t10_alua_lu_gp_cache 3KB 3KB [ 259.908501][ T4002] sd_ext_cdb 3KB 3KB [ 259.914591][ T4002] scsi_sense_cache 1092KB 1092KB [ 259.921693][ T4002] virtio_scsi_cmd 16KB 16KB [ 259.928609][ T4002] bio-136 93KB 96KB [ 259.934699][ T4002] sgpool-128 29KB 29KB [ 259.940813][ T4002] sgpool-64 95KB 95KB [ 259.946921][ T4002] sgpool-32 110KB 110KB [ 259.952996][ T4002] sgpool-16 52KB 52KB [ 259.959134][ T4002] sgpool-8 63KB 63KB [ 259.965218][ T4002] bio-224 3KB 3KB [ 259.971313][ T4002] mqueue_inode_cache 60KB 60KB [ 259.977529][ T4002] f2fs_bio_post_read_ctx 16KB 16KB [ 259.984114][ T4002] jfs_mp 7KB 7KB [ 259.990288][ T4002] cifs_small_rq 16KB 16KB [ 259.996400][ T4002] cifs_request 67KB 67KB [ 260.002479][ T4002] cifs_mpx_ids 4KB 4KB [ 260.009815][ T4002] nfs_commit_data 15KB 15KB [ 260.015912][ T4002] nfs_write_data 47KB 47KB [ 260.119311][ T4002] jbd2_inode 7KB 7KB [ 260.173891][ T4002] ext4_system_zone 3KB 3KB [ 260.235630][ T4002] ext4_io_end_vec 7KB 7KB [ 260.277419][ T4002] ext4_bio_post_read_ctx 15KB 15KB [ 260.284012][ T4002] pid_namespace 7KB 7KB [ 260.286717][ T1108] warn_alloc: 8694 callbacks suppressed [ 260.286733][ T1108] kworker/1:2: page allocation failure: order:0, mode:0xa20(GFP_ATOMIC), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 260.307841][ T1108] CPU: 1 PID: 1108 Comm: kworker/1:2 Not tainted syzkaller #0 [ 260.315353][ T1108] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 260.325509][ T1108] Workqueue: events nsim_dev_trap_report_work [ 260.331621][ T1108] Call Trace: [ 260.334932][ T1108] [ 260.337897][ T1108] dump_stack_lvl+0x168/0x230 [ 260.342602][ T1108] ? rcu_lock_release+0x5/0x20 [ 260.347380][ T1108] ? show_regs_print_info+0x20/0x20 [ 260.352596][ T1108] ? load_image+0x3b0/0x3b0 [ 260.356369][ T4002] rpc_buffers 31KB 31KB [ 260.357140][ T1108] warn_alloc+0x20e/0x2f0 [ 260.363197][ T4002] rpc_tasks 3KB 3KB [ 260.367516][ T1108] ? seqcount_lockdep_reader_access+0xc7/0x170 [ 260.367547][ T1108] ? zone_watermark_ok_safe+0x240/0x240 [ 260.367576][ T1108] ? __cpuset_node_allowed+0x99/0x540 [ 260.367600][ T1108] ? wakeup_kswapd+0x210/0x7a0 [ 260.367627][ T1108] __alloc_pages_slowpath+0x2745/0x27a0 [ 260.367668][ T1108] ? stack_trace_snprint+0xf0/0xf0 [ 260.367704][ T1108] ? get_page_from_freelist+0x1c60/0x1c60 [ 260.367732][ T1108] ? __alloc_pages+0x470/0x470 [ 260.367758][ T1108] ? prepare_alloc_pages+0x368/0x5f0 [ 260.367790][ T1108] __alloc_pages+0x332/0x470 [ 260.367815][ T1108] ? zone_statistics+0x170/0x170 [ 260.367845][ T1108] ? alloc_pages+0x438/0x550 [ 260.367872][ T1108] new_slab+0x2e6/0x4b0 [ 260.367899][ T1108] ? kmem_cache_alloc_node+0x1c3/0x2d0 [ 260.367920][ T1108] ___slab_alloc+0x81e/0xdf0 [ 260.367942][ T1108] ? __alloc_skb+0xf4/0x750 [ 260.367971][ T1108] kmem_cache_alloc_node+0x1c3/0x2d0 [ 260.367990][ T1108] ? __alloc_skb+0xf4/0x750 [ 260.368017][ T1108] __alloc_skb+0xf4/0x750 [ 260.368044][ T1108] nsim_dev_trap_report_work+0x2a1/0xb40 [ 260.368075][ T1108] ? read_lock_is_recursive+0x10/0x10 [ 260.480241][ T1108] ? _raw_spin_unlock_irq+0x1f/0x40 [ 260.485460][ T1108] process_one_work+0x863/0x1000 [ 260.487357][ T4002] UNIX-STREAM 288KB 288KB [ 260.490433][ T1108] ? worker_detach_from_pool+0x240/0x240 [ 260.502105][ T1108] ? lockdep_hardirqs_off+0x70/0x100 [ 260.507415][ T1108] ? _raw_spin_lock_irq+0xab/0xe0 [ 260.512458][ T1108] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 260.517854][ T1108] ? wq_worker_running+0x97/0x170 [ 260.522907][ T1108] worker_thread+0xaa8/0x12a0 [ 260.527607][ T1108] ? lockdep_hardirqs_on+0x94/0x140 [ 260.532832][ T1108] ? lockdep_hardirqs_on+0x94/0x140 [ 260.538054][ T1108] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 260.543970][ T1108] kthread+0x436/0x520 [ 260.548055][ T1108] ? rcu_lock_release+0x20/0x20 [ 260.552923][ T1108] ? kthread_blkcg+0xd0/0xd0 [ 260.557554][ T1108] ret_from_fork+0x1f/0x30 [ 260.562002][ T1108] [ 260.565922][ T1108] Mem-Info: [ 260.569286][ T1108] active_anon:0 inactive_anon:0 isolated_anon:0 [ 260.569286][ T1108] active_file:43 inactive_file:3 isolated_file:0 [ 260.569286][ T1108] unevictable:768 dirty:1 writeback:0 [ 260.569286][ T1108] slab_reclaimable:16191 slab_unreclaimable:118851 [ 260.569286][ T1108] mapped:1 shmem:768 pagetables:299 bounce:0 [ 260.569286][ T1108] kernel_misc_reclaimable:0 [ 260.569286][ T1108] free:8336 free_pcp:201 free_cma:0 [ 260.595470][ T4002] UNIX 514KB 736KB [ 260.609110][ T1108] Node 0 active_anon:0kB inactive_anon:0kB active_file:104kB inactive_file:48kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? yes [ 260.644855][ T1108] Node 1 active_anon:0kB inactive_anon:0kB active_file:68kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? no [ 260.673961][ T1108] Node 0 DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.700205][ T1108] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 260.706001][ T1108] Node 0 DMA32 free:2588kB min:38896kB low:47596kB high:56296kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:104kB inactive_file:120kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:780kB local_pcp:436kB free_cma:0kB [ 260.734495][ T1108] lowmem_reserve[]: 0 0 0 0 0 [ 260.739274][ T1108] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.762323][ T4002] MPTCP 31KB 31KB [ 260.765144][ T1108] lowmem_reserve[]: 0 0 0 0 0 [ 260.775958][ T1108] Node 1 Normal free:20524kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:64kB inactive_file:72kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.804093][ T1108] lowmem_reserve[]: 0 0 0 0 0 [ 260.808880][ T1108] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 260.824351][ T1108] Node 0 DMA32: 85*4kB (UME) 33*8kB (UME) 26*16kB (ME) 33*32kB (ME) 8*64kB (UM) 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 2588kB [ 260.838805][ T1108] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 260.842299][ T4002] request_sock_subflow_v4 7KB 7KB [ 260.850349][ T1108] Node 1 Normal: 23*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20524kB [ 260.850574][ T1108] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.850595][ T1108] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 260.850615][ T1108] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.850633][ T1108] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 260.850652][ T1108] 863 total pagecache pages [ 260.850663][ T1108] 0 pages in swap cache [ 260.850671][ T1108] Swap cache stats: add 38135, delete 38135, find 69/492 [ 260.850687][ T1108] Free swap = 107416kB [ 260.850697][ T1108] Total swap = 124996kB [ 260.850708][ T1108] 2097051 pages RAM [ 260.850717][ T1108] 0 pages HighMem/MovableOnly [ 260.850726][ T1108] 410817 pages reserved [ 260.850735][ T1108] 0 pages cma reserved [ 260.980226][ T4002] tcp_bind_bucket 8KB 8KB [ 260.986660][ T4002] ip_fib_trie 36KB 36KB [ 260.992757][ T4002] ip_fib_alias 122KB 122KB [ 260.998958][ T4002] ip_dst_cache 24KB 24KB [ 261.005045][ T4002] RAW 123KB 123KB [ 261.011190][ T4002] UDP 154KB 154KB [ 261.017330][ T4002] request_sock_TCP 15KB 15KB [ 261.023418][ T4002] TCP 60KB 60KB [ 261.029565][ T4002] hugetlbfs_inode_cache 30KB 30KB [ 261.036004][ T4002] fscache_cookie_jar 15KB 15KB [ 261.042218][ T4002] bio-256 11KB 11KB [ 261.049360][ T4002] ep_head 16KB 16KB [ 261.055454][ T4002] eventpoll_pwq 39KB 39KB [ 261.061594][ T4002] eventpoll_epi 74KB 74KB [ 261.087158][ T4002] inotify_inode_mark 19KB 19KB [ 261.106205][ T4002] bio_crypt_ctx 7KB 7KB [ 261.126394][ T4002] request_queue 413KB 570KB [ 261.132589][ T4002] blkdev_ioc 18KB 18KB [ 261.195399][ T4002] bio-200 151KB 195KB [ 261.239904][ T4002] biovec-max 352KB 416KB [ 261.246030][ T4002] biovec-64 236KB 236KB [ 261.305121][ T4002] biovec-16 33KB 33KB [ 261.337248][ T4002] bio_integrity_payload 3KB 3KB [ 261.343718][ T4002] user_namespace 15KB 15KB [ 261.362940][ T4002] uid_cache 7KB 7KB [ 261.374619][ T4002] dmaengine-unmap-256 30KB 30KB [ 261.391925][ T4002] dmaengine-unmap-128 15KB 15KB [ 261.398350][ T4002] dmaengine-unmap-16 4KB 4KB [ 261.404521][ T4002] dmaengine-unmap-2 4KB 4KB [ 261.422151][ T4002] QIPCRTR 31KB 31KB [ 261.433787][ T4002] audit_buffer 3KB 3KB [ 261.445504][ T4002] skbuff_ext_cache 56KB 56KB [ 261.484599][ T4002] skbuff_fclone_cache 202KB 240KB [ 261.503596][ T4002] skbuff_head_cache 30598KB 30607KB [ 261.525929][ T4002] configfs_dir_cache 8KB 8KB [ 261.545249][ T4002] file_lock_cache 31KB 39KB [ 261.570139][ T4002] file_lock_ctx 15KB 15KB [ 261.576247][ T4002] fsnotify_mark_connector 16KB 16KB [ 261.649856][ T4002] taskstats 15KB 15KB [ 261.655975][ T4002] proc_dir_entry 1106KB 1106KB [ 261.717755][ T4002] pde_opener 15KB 15KB [ 261.723971][ T4002] seq_file 78KB 93KB [ 261.785751][ T4002] sigqueue 137KB 153KB [ 261.811294][ T4002] shmem_inode_cache 7202KB 7338KB [ 261.857140][ T4002] kernfs_iattrs_cache 7KB 7KB [ 261.864461][ T4002] kernfs_node_cache 32105KB 32199KB [ 261.931242][ T4002] mnt_cache 157KB 165KB [ 261.967141][ T4002] filp 371KB 900KB [ 261.973366][ T4002] names_cache 850KB 1338KB [ 262.052272][ T4002] net_namespace 185KB 185KB [ 262.091386][ T4002] iint_cache 45KB 45KB [ 262.124558][ T4002] lsm_inode_cache 1708KB 1900KB [ 262.166386][ T4002] lsm_file_cache 128KB 322KB [ 262.246372][ T4002] key_jar 15KB 15KB [ 262.252494][ T4002] uts_namespace 15KB 15KB [ 262.328311][ T4002] nsproxy 15KB 15KB [ 262.334624][ T4002] vm_area_struct 447KB 684KB [ 262.381958][ T4002] fs_cache 51KB 84KB [ 262.394778][ T4002] files_cache 207KB 350KB [ 262.408682][ T4002] signal_cache 721KB 1945KB [ 262.414786][ T4002] sighand_cache 962KB 962KB [ 262.506404][ T4002] task_struct 3220KB 4105KB [ 262.512551][ T4002] cred_jar 172KB 431KB [ 262.601170][ T4002] anon_vma_chain 277KB 374KB [ 262.640507][ T4002] anon_vma 181KB 203KB [ 262.664730][ T4002] pid 141KB 322KB [ 262.691241][ T4002] Acpi-Operand 207KB 245KB [ 262.710139][ T4002] Acpi-ParseExt 23KB 23KB [ 262.730001][ T4002] Acpi-Parse 126KB 126KB [ 262.736114][ T4002] Acpi-State 74KB 110KB [ 262.784600][ T4002] Acpi-Namespace 28KB 28KB [ 262.792946][ T4002] numa_policy 3KB 3KB [ 262.850358][ T4002] perf_event 31KB 31KB [ 262.870508][ T4002] trace_event_file 432KB 432KB [ 262.887135][ T4002] ftrace_event_field 548KB 548KB [ 262.893385][ T4002] pool_workqueue 262KB 272KB [ 262.904214][ T4002] task_group 30KB 30KB [ 262.916204][ T4002] mm_struct 379KB 693KB [ 262.925590][ T4002] vmap_area 265KB 334KB [ 262.931910][ T4002] debug_objects_cache 1834KB 2047KB [ 262.939665][ T4002] page->ptl 137KB 212KB [ 262.945763][ T4002] kmalloc-cg-8k 2176KB 2176KB [ 262.956380][ T4002] kmalloc-cg-4k 5464KB 5736KB [ 262.962571][ T4002] kmalloc-cg-2k 1316KB 1316KB [ 262.982305][ T4002] kmalloc-cg-1k 878KB 896KB [ 263.000517][ T4002] kmalloc-cg-512 2331KB 2408KB [ 263.012947][ T4002] kmalloc-cg-256 48KB 48KB [ 263.023297][ T4002] kmalloc-cg-192 148KB 148KB [ 263.035606][ T4002] kmalloc-cg-128 128KB 128KB [ 263.046034][ T4002] kmalloc-cg-96 16KB 16KB [ 263.055211][ T4002] kmalloc-cg-64 16KB 16KB [ 263.062853][ T4002] kmalloc-cg-32 24KB 24KB [ 263.068971][ T4002] kmalloc-cg-16 191KB 248KB [ 263.075044][ T4002] kmalloc-cg-8 27KB 27KB [ 263.081383][ T4002] kmalloc-8k 10432KB 10512KB [ 263.092301][ T4002] kmalloc-4k 181696KB 181776KB [ 263.111562][ T4002] kmalloc-2k 26596KB 29920KB [ 263.126502][ T4002] kmalloc-1k 45362KB 45424KB [ 263.132712][ T4002] kmalloc-512 45981KB 46000KB [ 263.148384][ T4002] kmalloc-256 5252KB 5256KB [ 263.154514][ T4002] kmalloc-192 1160KB 1680KB [ 263.171235][ T4002] kmalloc-128 1703KB 1720KB [ 263.182844][ T4002] kmalloc-96 1585KB 1592KB [ 263.194364][ T4002] kmalloc-64 3242KB 3908KB [ 263.202130][ T4002] kmalloc-32 766KB 780KB [ 263.209114][ T4002] kmalloc-16 289KB 340KB [ 263.215205][ T4002] kmalloc-8 559KB 609KB [ 263.221308][ T4002] kmem_cache_node 203KB 204KB [ 263.231449][ T4002] kmem_cache 168KB 168KB [ 263.238555][ T4002] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=4002,uid=101 [ 263.252520][ T4002] Out of memory (oom_kill_allocating_task): Killed process 4002 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:48kB oom_score_adj:0 [ 263.396706][ T4312] slab_out_of_memory: 4558 callbacks suppressed [ 263.396724][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 263.412131][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 263.416649][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 263.422698][ T4312] node 0: slabs: 6693, objs: 80316, free: 0 [ 263.430753][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 263.436735][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 263.447287][ T1108] node 0: slabs: 6693, objs: 80316, free: 0 [ 263.453688][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 263.459492][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 263.459526][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 263.459542][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 263.467515][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 263.467536][ T4312] node 0: slabs: 6693, objs: 80316, free: 0 [ 263.467552][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 263.473859][ T1108] node 0: slabs: 6693, objs: 80316, free: 0 [ 263.482033][ T4312] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 263.492416][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 263.501273][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 263.503745][ T4312] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 263.509075][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 263.509096][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 263.509113][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 263.514730][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 263.515308][ T4312] node 0: slabs: 6697, objs: 80364, free: 0 [ 263.521499][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 263.529486][ T4312] node 1: slabs: 1541, objs: 18492, free: 30 [ 263.557749][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 263.565341][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 263.571427][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 263.577399][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 263.586344][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 263.586361][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 263.601477][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 263.606556][ C0] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 263.609564][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 263.618404][ C0] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 263.618427][ C0] node 0: slabs: 6698, objs: 80376, free: 0 [ 263.618445][ C0] node 1: slabs: 1541, objs: 18492, free: 30 [ 263.624490][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 263.709655][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 264.605318][ T4003] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 264.666360][ T4003] CPU: 1 PID: 4003 Comm: dhcpcd Not tainted syzkaller #0 [ 264.673541][ T4003] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 264.683610][ T4003] Call Trace: [ 264.686907][ T4003] [ 264.689855][ T4003] dump_stack_lvl+0x168/0x230 [ 264.694560][ T4003] ? show_regs_print_info+0x20/0x20 [ 264.699773][ T4003] ? load_image+0x3b0/0x3b0 [ 264.704294][ T4003] ? local_lock_release+0x170/0x170 [ 264.709507][ T4003] ? __rwlock_init+0x140/0x140 [ 264.714285][ T4003] dump_header+0xd4/0x770 [ 264.718629][ T4003] oom_kill_process+0x20e/0x3d0 [ 264.723498][ T4003] out_of_memory+0xf5f/0x11e0 [ 264.728216][ T4003] ? __alloc_pages+0x470/0x470 [ 264.732996][ T4003] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 264.739613][ T4003] ? unregister_oom_notifier+0x20/0x20 [ 264.745107][ T4003] __alloc_pages_slowpath+0x1d11/0x27a0 [ 264.750711][ T4003] ? get_page_from_freelist+0x1c60/0x1c60 [ 264.756467][ T4003] ? prepare_alloc_pages+0x368/0x5f0 [ 264.761779][ T4003] __alloc_pages+0x332/0x470 [ 264.766388][ T4003] ? zone_statistics+0x170/0x170 [ 264.771360][ T4003] ? __lock_acquire+0x7c60/0x7c60 [ 264.776404][ T4003] ? __rwlock_init+0x140/0x140 [ 264.781185][ T4003] alloc_pages_vma+0x393/0x7c0 [ 264.785971][ T4003] ? __swp_swapcount+0xf5/0x120 [ 264.790835][ T4003] __read_swap_cache_async+0x1b5/0xa70 [ 264.796323][ T4003] swap_cluster_readahead+0x6a2/0x7c0 [ 264.801716][ T4003] ? read_swap_cache_async+0x90/0x90 [ 264.807028][ T4003] swapin_readahead+0xf3/0xaa0 [ 264.811809][ T4003] ? rcu_lock_release+0x5/0x20 [ 264.816623][ T4003] ? __lock_acquire+0x7c60/0x7c60 [ 264.821707][ T4003] ? exit_swap_address_space+0x280/0x280 [ 264.827357][ T4003] ? put_swap_device+0x15c/0x200 [ 264.832309][ T4003] ? lookup_swap_cache+0x135/0x440 [ 264.837438][ T4003] ? get_swap_device+0x21b/0x360 [ 264.842396][ T4003] do_swap_page+0x4b6/0x1f40 [ 264.847005][ T4003] ? count_memcg_event_mm+0x311/0x360 [ 264.852408][ T4003] handle_mm_fault+0x1ad7/0x43b0 [ 264.857384][ T4003] ? get_page+0xe0/0xe0 [ 264.861561][ T4003] ? vmacache_find+0x4e3/0x590 [ 264.866362][ T4003] ? vmacache_update+0xa0/0x100 [ 264.871230][ T4003] ? find_vma+0x1df/0x230 [ 264.875580][ T4003] do_user_addr_fault+0x489/0xc80 [ 264.880643][ T4003] exc_page_fault+0x60/0x100 [ 264.885260][ T4003] asm_exc_page_fault+0x22/0x30 [ 264.890117][ T4003] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 264.895410][ T4003] Code: 8b 74 24 30 4c 8d 76 12 48 8b 54 24 58 48 83 c2 06 45 31 ff 4c 89 f0 48 c1 e8 03 42 0f b6 04 20 84 c0 75 2b 42 0f b7 44 fe 12 <66> 89 02 49 89 d5 44 39 fb 74 3b e8 84 c2 ab ff 49 ff c7 49 83 c6 [ 264.915033][ T4003] RSP: 0000:ffffc90002cff880 EFLAGS: 00050246 [ 264.921117][ T4003] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888021b1bb80 [ 264.929105][ T4003] RDX: 0000562553d87d56 RSI: ffffc90002cffc90 RDI: 0000000000000000 [ 264.937087][ T4003] RBP: ffffc90002cffe30 R08: dffffc0000000000 R09: ffffed100ecd8d50 [ 264.945076][ T4003] R10: ffffed100ecd8d50 R11: 1ffff1100ecd8d4f R12: dffffc0000000000 [ 264.953057][ T4003] R13: 0000562553d87d60 R14: ffffc90002cffca2 R15: 0000000000000000 [ 264.961068][ T4003] ? do_sys_poll+0x6b1/0x1100 [ 264.965782][ T4003] ? poll_select_finish+0x5e0/0x5e0 [ 264.971005][ T4003] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 264.977272][ T4003] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 264.983624][ T4003] ? set_user_sigmask+0x157/0x1b0 [ 264.988670][ T4003] ? sigprocmask+0x190/0x190 [ 264.993270][ T4003] ? __lock_acquire+0x7c60/0x7c60 [ 264.998325][ T4003] __se_sys_ppoll+0x1fc/0x260 [ 265.003020][ T4003] ? __x64_sys_ppoll+0xc0/0xc0 [ 265.007802][ T4003] ? __x64_sys_ppoll+0x1c/0xc0 [ 265.012586][ T4003] do_syscall_64+0x4c/0xa0 [ 265.017024][ T4003] ? clear_bhb_loop+0x30/0x80 [ 265.021717][ T4003] ? clear_bhb_loop+0x30/0x80 [ 265.026418][ T4003] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 265.032332][ T4003] RIP: 0033:0x7f3d2e9b2407 [ 265.036772][ T4003] Code: Unable to access opcode bytes at RIP 0x7f3d2e9b23dd. [ 265.044147][ T4003] RSP: 002b:00007fff034a0dd0 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 265.052584][ T4003] RAX: ffffffffffffffda RBX: 00007f3d2e928740 RCX: 00007f3d2e9b2407 [ 265.060583][ T4003] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 0000562553d87d50 [ 265.068596][ T4003] RBP: 00007fff034a1110 R08: 0000000000000008 R09: 0000000000000000 [ 265.076593][ T4003] R10: 00007fff034a1110 R11: 0000000000000202 R12: 00005625154ed5e0 [ 265.084581][ T4003] R13: 0000562553d7ad90 R14: 0000000000000000 R15: 00007fff034a0ec0 [ 265.092583][ T4003] [ 265.326805][ T28] oom_reaper: reaped process 4002 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 265.771344][ T4003] Mem-Info: [ 265.774508][ T4003] active_anon:0 inactive_anon:0 isolated_anon:0 [ 265.774508][ T4003] active_file:52 inactive_file:36 isolated_file:25 [ 265.774508][ T4003] unevictable:768 dirty:1 writeback:0 [ 265.774508][ T4003] slab_reclaimable:16191 slab_unreclaimable:119352 [ 265.774508][ T4003] mapped:1 shmem:768 pagetables:299 bounce:0 [ 265.774508][ T4003] kernel_misc_reclaimable:0 [ 265.774508][ T4003] free:7862 free_pcp:0 free_cma:0 [ 265.816035][ T4003] Node 0 active_anon:0kB inactive_anon:0kB active_file:84kB inactive_file:148kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? no [ 266.016343][ T4003] Node 1 active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:28kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? no [ 266.145165][ T4003] Node 0 DMA free:10232kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.296385][ T4003] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 266.302213][ T4003] Node 0 DMA32 free:472kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:176kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:712kB local_pcp:468kB free_cma:0kB [ 266.365876][ T4003] lowmem_reserve[]: 0 0 0 0 0 [ 266.372126][ T4003] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.398856][ T4003] lowmem_reserve[]: 0 0 0 0 0 [ 266.403688][ T4003] Node 1 Normal free:20524kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:80kB inactive_file:52kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.676325][ T4003] lowmem_reserve[]: 0 0 0 0 0 [ 266.681096][ T4003] Node 0 DMA: 4*4kB (UM) 3*8kB (UM) 1*16kB (U) 0*32kB 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 266.821321][ T4003] Node 0 DMA32: 36*4kB (UME) 8*8kB (ME) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 208kB [ 266.853204][ T4003] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 266.877238][ T4003] Node 1 Normal: 23*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20524kB [ 266.913725][ T4003] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.016359][ T4003] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 267.025695][ T4003] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.087674][ T4003] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 267.105411][ T4003] 863 total pagecache pages [ 267.113021][ T4003] 0 pages in swap cache [ 267.122788][ T4003] Swap cache stats: add 38135, delete 38135, find 69/492 [ 267.135375][ T4003] Free swap = 107416kB [ 267.144901][ T4003] Total swap = 124996kB [ 267.163032][ T4003] 2097051 pages RAM [ 267.180544][ T4003] 0 pages HighMem/MovableOnly [ 267.185252][ T4003] 410817 pages reserved [ 267.239104][ T4003] 0 pages cma reserved [ 267.243219][ T4003] Unreclaimable slab info: [ 267.283942][ T4003] Name Used Total [ 267.352276][ T4003] pid_2 22KB 22KB [ 267.396389][ T4003] bio-320 7KB 7KB [ 267.402527][ T4003] zswap_entry 3205KB 3205KB [ 267.453509][ T4003] batadv_tt_change_cache 8KB 8KB [ 267.470426][ T4003] batadv_tl_cache 8KB 8KB [ 267.495289][ T4003] TIPC 63KB 63KB [ 267.501464][ T4003] SCTPv6 63KB 63KB [ 267.514033][ T4003] DCCPv6 59KB 59KB [ 267.527532][ T4003] DCCP 61KB 61KB [ 267.533667][ T4003] RXRPC 61KB 61KB [ 267.539849][ T4003] rxrpc_call_jar 249KB 252KB [ 267.545933][ T4003] bridge_fdb_cache 15KB 15KB [ 267.557296][ T4003] MPTCPv6 30KB 30KB [ 267.563391][ T4003] fib6_nodes 224KB 224KB [ 267.584996][ T4003] ip6_dst_cache 357KB 592KB [ 267.597452][ T4003] RAWv6 308KB 308KB [ 267.603570][ T4003] UDPv6 128KB 128KB [ 267.609763][ T4003] TCPv6 95KB 95KB [ 267.615859][ T4003] nf_conntrack 39KB 39KB [ 267.637589][ T4003] wg_peer 152KB 152KB [ 267.643687][ T4003] allowedips_node 19KB 19KB [ 267.660270][ T4003] t10_alua_lu_gp_cache 3KB 3KB [ 267.682550][ T4003] sd_ext_cdb 3KB 3KB [ 267.720301][ T4003] scsi_sense_cache 1092KB 1092KB [ 267.739840][ T4003] virtio_scsi_cmd 16KB 16KB [ 267.745956][ T4003] bio-136 93KB 96KB [ 267.762782][ T4003] sgpool-128 29KB 29KB [ 267.776076][ T4003] sgpool-64 95KB 95KB [ 267.789476][ T4003] sgpool-32 110KB 110KB [ 267.795580][ T4003] sgpool-16 52KB 52KB [ 267.814771][ T4003] sgpool-8 63KB 63KB [ 267.835575][ T4003] bio-224 3KB 3KB [ 267.859018][ T4003] mqueue_inode_cache 60KB 60KB [ 267.865227][ T4003] f2fs_bio_post_read_ctx 16KB 16KB [ 267.885586][ T4003] jfs_mp 7KB 7KB [ 267.892211][ T4003] cifs_small_rq 16KB 16KB [ 267.898352][ T4003] cifs_request 67KB 67KB [ 267.905589][ T4003] cifs_mpx_ids 4KB 4KB [ 267.912685][ T4003] nfs_commit_data 15KB 15KB [ 267.926325][ T4003] nfs_write_data 47KB 47KB [ 267.932468][ T4003] jbd2_inode 7KB 7KB [ 268.013688][ T4003] ext4_system_zone 3KB 3KB [ 268.052228][ T4003] ext4_io_end_vec 7KB 7KB [ 268.091705][ T4003] ext4_bio_post_read_ctx 15KB 15KB [ 268.112956][ T4003] pid_namespace 7KB 7KB [ 268.135549][ T4003] rpc_buffers 31KB 31KB [ 268.158820][ T4003] rpc_tasks 3KB 3KB [ 268.164936][ T4003] UNIX-STREAM 288KB 288KB [ 268.189801][ T4003] UNIX 514KB 736KB [ 268.195925][ T4003] MPTCP 31KB 31KB [ 268.294390][ T4003] request_sock_subflow_v4 7KB 7KB [ 268.325700][ T4003] tcp_bind_bucket 8KB 8KB [ 268.384282][ T4003] ip_fib_trie 36KB 36KB [ 268.416041][ T4522] slab_out_of_memory: 4664 callbacks suppressed [ 268.416060][ T4522] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 268.421893][ T4003] ip_fib_alias 122KB 122KB [ 268.422695][ T4522] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 268.431463][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 268.437448][ T4522] node 0: slabs: 1066, objs: 16930, free: 0 [ 268.437466][ T4522] node 1: slabs: 616, objs: 5782, free: 31 [ 268.447537][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 268.456990][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 268.462691][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 268.468690][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 268.478779][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 268.486784][ T4275] node 0: slabs: 6868, objs: 82416, free: 0 [ 268.492899][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 268.503402][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 268.503521][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 268.503544][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 268.503564][ T4275] node 0: slabs: 6868, objs: 82416, free: 0 [ 268.503581][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 268.509604][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 268.518682][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 268.525526][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 268.530817][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 268.530840][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 268.530858][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 268.590312][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 268.596889][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 268.596966][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 268.602973][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 268.608969][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 268.608989][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 268.609004][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 268.609248][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 268.618156][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 268.624130][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 268.624150][ T1108] node 0: slabs: 6871, objs: 82452, free: 0 [ 268.624166][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 268.624196][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 268.624210][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 268.624228][ T1108] node 0: slabs: 6871, objs: 82452, free: 0 [ 268.624244][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 268.682540][ T4003] ip_dst_cache 24KB 24KB [ 268.690931][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 269.122078][ T4003] RAW 123KB 123KB [ 269.156843][ T27] INFO: task syz.4.21:4400 blocked for more than 143 seconds. [ 269.164933][ T27] Not tainted syzkaller #0 [ 269.171862][ T4003] UDP 154KB 154KB [ 269.221939][ T4003] request_sock_TCP 15KB 15KB [ 269.244041][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 269.255298][ T4003] TCP 60KB 60KB [ 269.288879][ T27] task:syz.4.21 state:D stack:27872 pid: 4400 ppid: 4331 flags:0x00004006 [ 269.316108][ T4003] hugetlbfs_inode_cache 30KB 30KB [ 269.324085][ T27] Call Trace: [ 269.341238][ T27] [ 269.341700][ T4003] fscache_cookie_jar 15KB 15KB [ 269.344215][ T27] __schedule+0x11bb/0x4390 [ 269.380110][ T27] ? __lock_acquire+0x12d9/0x7c60 [ 269.385223][ T27] ? rcu_lock_acquire+0x30/0x30 [ 269.391550][ T4003] bio-256 11KB 11KB [ 269.418084][ T4003] ep_head 16KB 16KB [ 269.440500][ T4003] eventpoll_pwq 39KB 39KB [ 269.441860][ T27] ? __mutex_lock_common+0xc6c/0x2390 [ 269.469872][ T27] ? release_firmware_map_entry+0x190/0x190 [ 269.469887][ T4003] eventpoll_epi 74KB 74KB [ 269.469914][ T4003] inotify_inode_mark 19KB 19KB [ 269.475832][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 269.507431][ T4003] bio_crypt_ctx 7KB 7KB [ 269.513552][ T4003] request_queue 413KB 570KB [ 269.586378][ T4003] blkdev_ioc 18KB 18KB [ 269.592516][ T4003] bio-200 151KB 195KB [ 269.598728][ T27] ? __mutex_trylock_common+0x80/0x250 [ 269.604226][ T27] ? rcu_lock_release+0x20/0x20 [ 269.609677][ T4003] biovec-max 352KB 416KB [ 269.615765][ T4003] biovec-64 236KB 236KB [ 269.621916][ T27] schedule+0x11b/0x1e0 [ 269.626111][ T27] schedule_preempt_disabled+0xf/0x20 [ 269.631554][ T27] __mutex_lock_common+0xc71/0x2390 [ 269.636839][ T4003] biovec-16 33KB 33KB [ 269.642927][ T4003] bio_integrity_payload 3KB 3KB [ 269.650684][ T27] ? vivid_fop_release+0x66/0xad0 [ 269.655757][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 269.661083][ T4003] user_namespace 15KB 15KB [ 269.668023][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 269.673245][ T27] ? __fsnotify_parent+0x614/0x6e0 [ 269.686354][ T4003] uid_cache 7KB 7KB [ 269.692446][ T4003] dmaengine-unmap-256 30KB 30KB [ 269.741617][ T27] mutex_lock_nested+0x17/0x20 [ 269.772858][ T27] vivid_fop_release+0x66/0xad0 [ 269.776353][ T4003] dmaengine-unmap-128 15KB 15KB [ 269.779264][ T27] ? vivid_create_queue+0x860/0x860 [ 269.784018][ T4003] dmaengine-unmap-16 4KB 4KB [ 269.850169][ T27] v4l2_release+0x1f9/0x390 [ 269.854887][ T27] ? v4l2_open+0x360/0x360 [ 269.896330][ T4003] dmaengine-unmap-2 4KB 4KB [ 269.902556][ T4003] QIPCRTR 31KB 31KB [ 269.906327][ T27] __fput+0x234/0x930 [ 269.912639][ T27] task_work_run+0x125/0x1a0 [ 269.963144][ T4003] audit_buffer 3KB 3KB [ 270.009725][ T4003] skbuff_ext_cache 56KB 56KB [ 270.011956][ T27] get_signal+0x1222/0x12c0 [ 270.015955][ T4003] skbuff_fclone_cache 202KB 240KB [ 270.066490][ T27] ? kasan_save_stack+0x4b/0x60 [ 270.071412][ T27] ? kasan_save_stack+0x35/0x60 [ 270.135996][ T27] ? kasan_record_aux_stack+0xb8/0x100 [ 270.154287][ T4003] skbuff_head_cache 31741KB 31751KB [ 270.172643][ T27] ? task_work_add+0x2f/0x1d0 [ 270.189142][ T4003] configfs_dir_cache 8KB 8KB [ 270.192882][ T27] ? fput_many+0xde/0x1a0 [ 270.195433][ T4003] file_lock_cache 31KB 39KB [ 270.242780][ T27] ? __se_sys_ioctl+0x157/0x170 [ 270.286351][ T27] ? do_syscall_64+0x4c/0xa0 [ 270.291204][ T27] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 270.304939][ T1493] warn_alloc: 9397 callbacks suppressed [ 270.304957][ T1493] kworker/u4:4: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 270.336351][ T4003] file_lock_ctx 15KB 15KB [ 270.342454][ T4003] fsnotify_mark_connector 16KB 16KB [ 270.386721][ T27] arch_do_signal_or_restart+0xc1/0x1300 [ 270.392565][ T27] ? get_sigframe_size+0x10/0x10 [ 270.421802][ T1493] CPU: 1 PID: 1493 Comm: kworker/u4:4 Not tainted syzkaller #0 [ 270.429404][ T1493] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 270.439481][ T1493] Workqueue: phy14 ieee80211_iface_work [ 270.445079][ T1493] Call Trace: [ 270.448374][ T1493] [ 270.451335][ T1493] dump_stack_lvl+0x168/0x230 [ 270.456037][ T1493] ? rcu_lock_release+0x5/0x20 [ 270.460818][ T1493] ? show_regs_print_info+0x20/0x20 [ 270.466043][ T1493] ? load_image+0x3b0/0x3b0 [ 270.470595][ T1493] warn_alloc+0x20e/0x2f0 [ 270.474955][ T1493] ? zone_watermark_ok_safe+0x240/0x240 [ 270.480528][ T1493] ? __cpuset_node_allowed+0x99/0x540 [ 270.485930][ T1493] ? wakeup_kswapd+0x46b/0x7a0 [ 270.490723][ T1493] __alloc_pages_slowpath+0x2745/0x27a0 [ 270.496314][ T1493] ? __lock_acquire+0x13ad/0x7c60 [ 270.501376][ T1493] ? get_page_from_freelist+0x1c60/0x1c60 [ 270.507126][ T1493] ? __alloc_pages+0x470/0x470 [ 270.511917][ T1493] ? prepare_alloc_pages+0x368/0x5f0 [ 270.517226][ T1493] __alloc_pages+0x332/0x470 [ 270.521839][ T1493] ? zone_statistics+0x170/0x170 [ 270.526824][ T1493] ? alloc_pages+0x438/0x550 [ 270.531441][ T1493] new_slab+0x2e6/0x4b0 [ 270.535616][ T1493] ? __kmalloc+0x1cd/0x330 [ 270.540050][ T1493] ___slab_alloc+0x81e/0xdf0 [ 270.544655][ T1493] ? ieee802_11_parse_elems_crc+0xab/0x10c0 [ 270.550588][ T1493] __kmalloc+0x1cd/0x330 [ 270.554851][ T1493] ? ieee802_11_parse_elems_crc+0xab/0x10c0 [ 270.560775][ T1493] ieee802_11_parse_elems_crc+0xab/0x10c0 [ 270.566537][ T1493] ? verify_lock_unused+0x140/0x140 [ 270.571776][ T1493] ? mutex_lock_io_nested+0x60/0x60 [ 270.577006][ T1493] ? ieee80211_queue_delayed_work+0x150/0x150 [ 270.583094][ T1493] ieee80211_ibss_rx_queued_mgmt+0x369/0x29c0 [ 270.589179][ T1493] ? mark_lock+0x94/0x320 [ 270.593531][ T1493] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 270.599548][ T1493] ? lock_chain_count+0x20/0x20 [ 270.604427][ T1493] ? lock_chain_count+0x20/0x20 [ 270.609299][ T1493] ? ieee80211_ibss_rx_no_sta+0x730/0x730 [ 270.615036][ T1493] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 270.620949][ T1493] ? lockdep_hardirqs_on+0x94/0x140 [ 270.626168][ T1493] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 270.632073][ T1493] ? _raw_spin_unlock+0x40/0x40 [ 270.636948][ T1493] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 270.642871][ T1493] ? kcov_remote_start+0xea/0x4a0 [ 270.647923][ T1493] ieee80211_iface_work+0x70e/0xc60 [ 270.653146][ T1493] process_one_work+0x863/0x1000 [ 270.658119][ T1493] ? worker_detach_from_pool+0x240/0x240 [ 270.663774][ T1493] ? lockdep_hardirqs_off+0x70/0x100 [ 270.669084][ T1493] ? _raw_spin_lock_irq+0xab/0xe0 [ 270.674134][ T1493] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 270.679532][ T1493] ? wq_worker_running+0x97/0x170 [ 270.684593][ T1493] worker_thread+0xaa8/0x12a0 [ 270.689315][ T1493] kthread+0x436/0x520 [ 270.693410][ T1493] ? rcu_lock_release+0x20/0x20 [ 270.698279][ T1493] ? kthread_blkcg+0xd0/0xd0 [ 270.702892][ T1493] ret_from_fork+0x1f/0x30 [ 270.707347][ T1493] [ 270.726336][ T4003] taskstats 15KB 15KB [ 270.732493][ T4003] proc_dir_entry 1106KB 1106KB [ 270.776341][ T27] ? kick_process+0xd4/0x140 [ 270.781002][ T27] ? exit_to_user_mode_loop+0x3b/0x130 [ 270.824036][ T4003] pde_opener 15KB 15KB [ 270.842456][ T27] exit_to_user_mode_loop+0x9e/0x130 [ 270.887699][ T4003] seq_file 78KB 93KB [ 270.893818][ T4003] sigqueue 137KB 153KB [ 270.906723][ T27] exit_to_user_mode_prepare+0xee/0x180 [ 270.912318][ T27] syscall_exit_to_user_mode+0x16/0x40 [ 270.954723][ T1493] Mem-Info: [ 270.957960][ T1493] active_anon:0 inactive_anon:0 isolated_anon:0 [ 270.957960][ T1493] active_file:40 inactive_file:31 isolated_file:0 [ 270.957960][ T1493] unevictable:768 dirty:1 writeback:0 [ 270.957960][ T1493] slab_reclaimable:16191 slab_unreclaimable:119907 [ 270.957960][ T1493] mapped:1 shmem:768 pagetables:299 bounce:0 [ 270.957960][ T1493] kernel_misc_reclaimable:0 [ 270.957960][ T1493] free:7451 free_pcp:35 free_cma:0 [ 270.966498][ T4003] shmem_inode_cache 7202KB 7338KB [ 271.001316][ T1493] Node 0 active_anon:0kB inactive_anon:0kB active_file:128kB inactive_file:56kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? yes [ 271.057890][ T27] do_syscall_64+0x58/0xa0 [ 271.062358][ T27] ? clear_bhb_loop+0x30/0x80 [ 271.097424][ T27] ? clear_bhb_loop+0x30/0x80 [ 271.102164][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 271.133941][ T27] RIP: 0033:0x7f54f3716fc9 [ 271.138644][ T4003] kernfs_iattrs_cache 7KB 7KB [ 271.144913][ T4003] kernfs_node_cache 32105KB 32199KB [ 271.156346][ T27] RSP: 002b:00007f54f2d86038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 271.164795][ T27] RAX: fffffffffffffe00 RBX: 00007f54f396dfa0 RCX: 00007f54f3716fc9 [ 271.181282][ T1493] Node 1 active_anon:0kB inactive_anon:0kB active_file:208kB inactive_file:68kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? yes [ 271.256330][ T27] RDX: 0000200000000100 RSI: 00000000c100565c RDI: 0000000000000003 [ 271.264366][ T27] RBP: 00007f54f3799f91 R08: 0000000000000000 R09: 0000000000000000 [ 271.286169][ T4003] mnt_cache 157KB 165KB [ 271.316541][ T4003] filp 371KB 900KB [ 271.322667][ T4003] names_cache 850KB 1338KB [ 271.356486][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 271.364517][ T27] R13: 00007f54f396e038 R14: 00007f54f396dfa0 R15: 00007ffedf615f08 [ 271.380437][ T4003] net_namespace 185KB 185KB [ 271.395062][ T1493] Node 0 DMA free:9096kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.467163][ T4003] iint_cache 45KB 45KB [ 271.473299][ T4003] lsm_inode_cache 1708KB 1900KB [ 271.489250][ T27] [ 271.497708][ T27] INFO: task syz.0.17:4426 blocked for more than 145 seconds. [ 271.505204][ T27] Not tainted syzkaller #0 [ 271.526238][ T4003] lsm_file_cache 128KB 322KB [ 271.539145][ T1493] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 271.545021][ T1493] Node 0 DMA32 free:68kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:232kB inactive_file:0kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:88kB local_pcp:88kB free_cma:0kB [ 271.546362][ T4003] key_jar 15KB 15KB [ 271.586355][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 271.594086][ T1493] lowmem_reserve[]: 0 0 0 0 0 [ 271.595890][ T27] task:syz.0.17 state:D [ 271.600164][ T1493] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.636381][ T27] stack:27400 pid: 4426 ppid: 4320 flags:0x00004006 [ 271.643189][ T27] Call Trace: [ 271.666363][ T27] [ 271.669343][ T27] __schedule+0x11bb/0x4390 [ 271.673890][ T27] ? rcu_lock_acquire+0x30/0x30 [ 271.682152][ T1493] lowmem_reserve[]: 0 0 0 0 0 [ 271.686459][ T4003] uts_namespace 15KB 15KB [ 271.687826][ T1493] Node 1 [ 271.693930][ T4003] nsproxy 15KB 15KB [ 271.694580][ T1493] Normal free:20524kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:248kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 271.710179][ T27] ? __mutex_lock_common+0xc6c/0x2390 [ 271.748825][ T1493] lowmem_reserve[]: 0 0 0 0 0 [ 271.754124][ T1493] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 1*16kB (U) 1*32kB (U) 1*64kB (U) 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 2*2048kB (UM) 1*4096kB (M) = 8972kB [ 271.755367][ T4003] vm_area_struct 447KB 684KB [ 271.804706][ T27] ? release_firmware_map_entry+0x190/0x190 [ 271.814515][ T4003] fs_cache 51KB 84KB [ 271.817733][ T1493] Node 0 DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB [ 271.820691][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 271.820708][ T1493] 0*256kB [ 271.820724][ T27] ? __mutex_trylock_common+0x80/0x250 [ 271.842837][ T1493] 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 271.847794][ T4003] files_cache 207KB 350KB [ 271.854783][ T4003] signal_cache 721KB 1945KB [ 271.861627][ T1493] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 271.883918][ T4003] sighand_cache 962KB 962KB [ 271.893743][ T27] ? rcu_lock_release+0x20/0x20 [ 271.902974][ T4003] task_struct 3220KB 4105KB [ 271.913601][ T27] schedule+0x11b/0x1e0 [ 271.914393][ T1493] Node 1 Normal: 23*4kB [ 271.940533][ T27] schedule_preempt_disabled+0xf/0x20 [ 271.944812][ T1493] (UM) 42*8kB [ 271.950259][ T4003] cred_jar 172KB 431KB [ 271.950291][ T4003] anon_vma_chain 277KB 374KB [ 271.968858][ T1493] (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20524kB [ 271.975346][ T4003] anon_vma 181KB 203KB [ 271.993103][ T1493] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.000868][ T27] __mutex_lock_common+0xc71/0x2390 [ 272.010141][ T1493] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 272.015789][ T27] ? v4l2_release+0x1b9/0x390 [ 272.024165][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 272.028045][ T1493] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 272.036611][ T4003] pid 141KB 322KB [ 272.045010][ T4003] Acpi-Operand 207KB 245KB [ 272.074615][ T1493] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 272.084020][ T27] ? __fsnotify_parent+0x614/0x6e0 [ 272.087399][ T4003] Acpi-ParseExt 23KB 23KB [ 272.095355][ T4003] Acpi-Parse 126KB 126KB [ 272.096369][ T27] ? fsnotify_set_children_dentry_flags+0x220/0x220 [ 272.114015][ T4003] Acpi-State 74KB 110KB [ 272.120236][ T1493] 863 total pagecache pages [ 272.120251][ T1493] 0 pages in swap cache [ 272.120260][ T1493] Swap cache stats: add 38135, delete 38135, find 69/492 [ 272.120277][ T1493] Free swap = 107416kB [ 272.142524][ T4003] Acpi-Namespace 28KB 28KB [ 272.149075][ T27] ? vivid_create_queue+0x860/0x860 [ 272.154332][ T27] mutex_lock_nested+0x17/0x20 [ 272.157257][ T1493] Total swap = 124996kB [ 272.163297][ T1493] 2097051 pages RAM [ 272.163381][ T4003] numa_policy 3KB 3KB [ 272.167244][ T4003] perf_event 31KB 31KB [ 272.167262][ T4003] trace_event_file 432KB 432KB [ 272.167278][ T4003] ftrace_event_field 548KB 548KB [ 272.167295][ T4003] pool_workqueue 262KB 272KB [ 272.167311][ T4003] task_group 30KB 30KB [ 272.167328][ T4003] mm_struct 379KB 693KB [ 272.167347][ T4003] vmap_area 265KB 334KB [ 272.167404][ T4003] debug_objects_cache 1834KB 2047KB [ 272.167423][ T4003] page->ptl 137KB 212KB [ 272.167482][ T4003] kmalloc-cg-8k 2176KB 2176KB [ 272.181136][ T1493] 0 pages HighMem/MovableOnly [ 272.226256][ T4003] kmalloc-cg-4k 5464KB 5736KB [ 272.245315][ T27] v4l2_release+0x1b9/0x390 [ 272.255299][ T27] ? v4l2_open+0x360/0x360 [ 272.265748][ T27] __fput+0x234/0x930 [ 272.274231][ T27] task_work_run+0x125/0x1a0 [ 272.283909][ T27] get_signal+0x1222/0x12c0 [ 272.292485][ T27] ? kasan_quarantine_put+0xd4/0x220 [ 272.294748][ T4003] kmalloc-cg-2k 1316KB 1316KB [ 272.297965][ T27] ? kasan_save_stack+0x4b/0x60 [ 272.298014][ T27] ? kasan_save_stack+0x35/0x60 [ 272.298056][ T27] ? kasan_record_aux_stack+0xb8/0x100 [ 272.298099][ T27] ? task_work_add+0x2f/0x1d0 [ 272.304190][ T4003] kmalloc-cg-1k 878KB 896KB [ 272.318488][ T27] ? fput_many+0xde/0x1a0 [ 272.346964][ T1493] 410817 pages reserved [ 272.351169][ T1493] 0 pages cma reserved [ 272.366097][ T27] ? __se_sys_ioctl+0x157/0x170 [ 272.379291][ T27] ? do_syscall_64+0x4c/0xa0 [ 272.391807][ T27] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 272.398201][ T4003] kmalloc-cg-512 2331KB 2408KB [ 272.404308][ T4003] kmalloc-cg-256 48KB 48KB [ 272.419006][ T27] arch_do_signal_or_restart+0xc1/0x1300 [ 272.426895][ T27] ? get_sigframe_size+0x10/0x10 [ 272.434551][ T27] ? kick_process+0xd4/0x140 [ 272.439347][ T4003] kmalloc-cg-192 148KB 148KB [ 272.445446][ T4003] kmalloc-cg-128 128KB 128KB [ 272.456329][ T27] ? exit_to_user_mode_loop+0x3b/0x130 [ 272.461848][ T27] exit_to_user_mode_loop+0x9e/0x130 [ 272.483656][ T4003] kmalloc-cg-96 16KB 16KB [ 272.493151][ T27] exit_to_user_mode_prepare+0xee/0x180 [ 272.509344][ T4003] kmalloc-cg-64 16KB 16KB [ 272.516682][ T27] syscall_exit_to_user_mode+0x16/0x40 [ 272.522208][ T27] do_syscall_64+0x58/0xa0 [ 272.533620][ T4003] kmalloc-cg-32 24KB 24KB [ 272.543888][ T27] ? clear_bhb_loop+0x30/0x80 [ 272.548756][ T4003] kmalloc-cg-16 191KB 248KB [ 272.558491][ T4003] kmalloc-cg-8 27KB 27KB [ 272.564640][ T4003] kmalloc-8k 10432KB 10512KB [ 272.579527][ T4003] kmalloc-4k 181696KB 181776KB [ 272.584017][ T27] ? clear_bhb_loop+0x30/0x80 [ 272.585682][ T4003] kmalloc-2k 26596KB 29920KB [ 272.610351][ T4003] kmalloc-1k 45362KB 45424KB [ 272.627748][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 272.633710][ T27] RIP: 0033:0x7fcf5b8cefc9 [ 272.638299][ T4003] kmalloc-512 48557KB 48576KB [ 272.644439][ T4003] kmalloc-256 5252KB 5256KB [ 272.650493][ T27] RSP: 002b:00007fcf5af3e038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 272.666373][ T27] RAX: fffffffffffffe00 RBX: 00007fcf5bb25fa0 RCX: 00007fcf5b8cefc9 [ 272.674406][ T27] RDX: 0000200000000100 RSI: 00000000c100565c RDI: 0000000000000003 [ 272.678589][ T4003] kmalloc-192 1160KB 1680KB [ 272.692928][ T4003] kmalloc-128 1703KB 1720KB [ 272.705617][ T4003] kmalloc-96 1585KB 1592KB [ 272.717504][ T4003] kmalloc-64 3242KB 3908KB [ 272.722236][ T27] RBP: 00007fcf5b951f91 R08: 0000000000000000 R09: 0000000000000000 [ 272.723666][ T4003] kmalloc-32 766KB 780KB [ 272.759481][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 272.776169][ T27] R13: 00007fcf5bb26038 R14: 00007fcf5bb25fa0 R15: 00007ffe13747528 [ 272.776181][ T4003] kmalloc-16 289KB 340KB [ 272.776215][ T4003] kmalloc-8 559KB 609KB [ 272.800327][ T27] [ 272.800671][ T4003] kmem_cache_node 203KB 204KB [ 272.803390][ T27] INFO: task syz.1.18:4428 blocked for more than 147 seconds. [ 272.809476][ T4003] kmem_cache 168KB 168KB [ 272.809493][ T4003] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=4003,uid=101 [ 272.880619][ T27] Not tainted syzkaller #0 [ 272.885610][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 272.889576][ T4003] Out of memory (oom_kill_allocating_task): Killed process 4003 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:48kB oom_score_adj:0 [ 272.987536][ T27] task:syz.1.18 state:D stack:27200 pid: 4428 ppid: 4317 flags:0x00004006 [ 273.046949][ T27] Call Trace: [ 273.050282][ T27] [ 273.053238][ T27] __schedule+0x11bb/0x4390 [ 273.112271][ T27] ? rcu_lock_acquire+0x30/0x30 [ 273.136788][ T27] ? __mutex_lock_common+0xc6c/0x2390 [ 273.142235][ T27] ? release_firmware_map_entry+0x190/0x190 [ 273.192736][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 273.259691][ T27] ? __mutex_trylock_common+0x80/0x250 [ 273.265224][ T27] ? rcu_lock_release+0x20/0x20 [ 273.336457][ T27] schedule+0x11b/0x1e0 [ 273.340694][ T27] schedule_preempt_disabled+0xf/0x20 [ 273.346102][ T27] __mutex_lock_common+0xc71/0x2390 [ 273.425982][ T27] ? v4l2_release+0x1b9/0x390 [ 273.431159][ T4406] slab_out_of_memory: 4851 callbacks suppressed [ 273.431176][ T4406] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 273.436727][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 273.438263][ T4406] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 273.445431][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 273.453627][ T4406] node 0: slabs: 7049, objs: 84588, free: 0 [ 273.464051][ T4275] node 0: slabs: 7049, objs: 84588, free: 0 [ 273.474554][ T4406] node 1: slabs: 1541, objs: 18492, free: 30 [ 273.480835][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 273.506456][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.515566][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.525739][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.531875][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 273.538282][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 273.538308][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 273.538332][ C1] node 0: slabs: 7051, objs: 84612, free: 0 [ 273.538352][ C1] node 1: slabs: 1541, objs: 18492, free: 30 [ 273.576382][ T155] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.577644][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.585357][ T155] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.594325][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.594347][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.594365][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 273.604442][ T155] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.604460][ T155] node 1: slabs: 616, objs: 5782, free: 31 [ 273.604549][ T4522] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.614691][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.620699][ T4522] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.620721][ T4522] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.626737][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.626760][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.632818][ T4522] node 1: slabs: 616, objs: 5782, free: 31 [ 273.639459][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 273.639527][ T4387] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.710778][ T4387] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.720893][ T4387] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.727018][ T4387] node 1: slabs: 616, objs: 5782, free: 31 [ 273.730471][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 273.806393][ T155] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 273.815397][ T155] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 273.825589][ T155] node 0: slabs: 1066, objs: 16930, free: 0 [ 273.832165][ T155] node 1: slabs: 616, objs: 5782, free: 31 [ 273.846425][ T27] ? __fsnotify_parent+0x614/0x6e0 [ 273.863675][ T27] ? fsnotify_set_children_dentry_flags+0x220/0x220 [ 273.871398][ T27] ? vivid_create_queue+0x860/0x860 [ 273.886520][ T27] mutex_lock_nested+0x17/0x20 [ 273.891423][ T27] v4l2_release+0x1b9/0x390 [ 273.895956][ T27] ? v4l2_open+0x360/0x360 [ 273.909123][ T27] __fput+0x234/0x930 [ 273.913163][ T27] task_work_run+0x125/0x1a0 [ 273.918191][ T27] get_signal+0x1222/0x12c0 [ 273.922748][ T27] ? kasan_quarantine_put+0xd4/0x220 [ 273.939584][ T27] ? kasan_save_stack+0x4b/0x60 [ 273.960994][ T27] ? kasan_save_stack+0x35/0x60 [ 273.965906][ T27] ? kasan_record_aux_stack+0xb8/0x100 [ 274.027169][ T27] ? task_work_add+0x2f/0x1d0 [ 274.031924][ T27] ? fput_many+0xde/0x1a0 [ 274.073814][ T27] ? __se_sys_ioctl+0x157/0x170 [ 274.116358][ T27] ? do_syscall_64+0x4c/0xa0 [ 274.121017][ T27] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 274.192615][ T27] arch_do_signal_or_restart+0xc1/0x1300 [ 274.226939][ T27] ? get_sigframe_size+0x10/0x10 [ 274.231957][ T27] ? kick_process+0xd4/0x140 [ 274.306330][ T27] ? exit_to_user_mode_loop+0x3b/0x130 [ 274.311855][ T27] exit_to_user_mode_loop+0x9e/0x130 [ 274.396376][ T27] exit_to_user_mode_prepare+0xee/0x180 [ 274.401992][ T27] syscall_exit_to_user_mode+0x16/0x40 [ 274.496351][ T27] do_syscall_64+0x58/0xa0 [ 274.500851][ T27] ? clear_bhb_loop+0x30/0x80 [ 274.505558][ T27] ? clear_bhb_loop+0x30/0x80 [ 274.606449][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 274.612414][ T27] RIP: 0033:0x7fdbd1446fc9 [ 274.706321][ T27] RSP: 002b:00007fdbd0ab6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 274.714863][ T27] RAX: fffffffffffffe00 RBX: 00007fdbd169dfa0 RCX: 00007fdbd1446fc9 [ 274.818596][ T27] RDX: 0000200000000100 RSI: 00000000c100565c RDI: 0000000000000003 [ 274.884319][ T27] RBP: 00007fdbd14c9f91 R08: 0000000000000000 R09: 0000000000000000 [ 274.933350][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 274.967186][ T27] R13: 00007fdbd169e038 R14: 00007fdbd169dfa0 R15: 00007ffce76ab868 [ 275.040242][ T27] [ 275.043330][ T27] INFO: task syz.2.19:4430 blocked for more than 149 seconds. [ 275.078460][ T28] oom_reaper: reaped process 4003 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 275.134591][ T27] Not tainted syzkaller #0 [ 275.172361][ T27] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 275.226856][ T27] task:syz.2.19 state:D stack:27680 pid: 4430 ppid: 4323 flags:0x00104006 [ 275.236134][ T27] Call Trace: [ 275.328526][ T27] [ 275.331527][ T27] __schedule+0x11bb/0x4390 [ 275.336086][ T27] ? rcu_lock_acquire+0x30/0x30 [ 275.383057][ T27] ? __mutex_lock_common+0xc6c/0x2390 [ 275.395128][ T27] ? release_firmware_map_entry+0x190/0x190 [ 275.405258][ T27] ? __lock_acquire+0x7c60/0x7c60 [ 275.488065][ T27] ? __mutex_trylock_common+0x80/0x250 [ 275.520007][ T27] ? rcu_lock_release+0x20/0x20 [ 275.526451][ T27] schedule+0x11b/0x1e0 [ 275.530661][ T27] schedule_preempt_disabled+0xf/0x20 [ 275.536063][ T27] __mutex_lock_common+0xc71/0x2390 [ 275.554868][ T27] ? v4l2_release+0x1b9/0x390 [ 275.562989][ T27] ? mutex_lock_io_nested+0x60/0x60 [ 275.575929][ T27] ? __fsnotify_parent+0x614/0x6e0 [ 275.585789][ T27] ? fsnotify_set_children_dentry_flags+0x220/0x220 [ 275.610780][ T27] ? vivid_create_queue+0x860/0x860 [ 275.616044][ T27] mutex_lock_nested+0x17/0x20 [ 275.620863][ T27] v4l2_release+0x1b9/0x390 [ 275.625392][ T27] ? v4l2_open+0x360/0x360 [ 275.632986][ T27] __fput+0x234/0x930 [ 275.637808][ T27] task_work_run+0x125/0x1a0 [ 275.661530][ T27] get_signal+0x1222/0x12c0 [ 275.666095][ T27] ? kasan_quarantine_put+0xd4/0x220 [ 275.687063][ T27] ? kasan_save_stack+0x4b/0x60 [ 275.691975][ T27] ? kasan_save_stack+0x35/0x60 [ 275.706330][ T27] ? kasan_record_aux_stack+0xb8/0x100 [ 275.711861][ T27] ? task_work_add+0x2f/0x1d0 [ 275.727488][ T27] ? fput_many+0xde/0x1a0 [ 275.731874][ T27] ? __se_sys_ioctl+0x157/0x170 [ 275.736917][ T27] ? do_syscall_64+0x4c/0xa0 [ 275.741530][ T27] ? entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 275.748329][ T27] arch_do_signal_or_restart+0xc1/0x1300 [ 275.754320][ T27] ? get_sigframe_size+0x10/0x10 [ 275.765647][ T27] ? kick_process+0xd4/0x140 [ 275.775589][ T27] ? exit_to_user_mode_loop+0x3b/0x130 [ 275.786488][ T27] exit_to_user_mode_loop+0x9e/0x130 [ 275.792618][ T27] exit_to_user_mode_prepare+0xee/0x180 [ 275.798255][ T27] syscall_exit_to_user_mode+0x16/0x40 [ 275.803742][ T27] do_syscall_64+0x58/0xa0 [ 275.809633][ T27] ? clear_bhb_loop+0x30/0x80 [ 275.814334][ T27] ? clear_bhb_loop+0x30/0x80 [ 275.819115][ T27] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 275.825041][ T27] RIP: 0033:0x7f1722c05fc9 [ 275.831649][ T27] RSP: 002b:00007f1722275038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 275.850669][ T27] RAX: fffffffffffffe00 RBX: 00007f1722e5cfa0 RCX: 00007f1722c05fc9 [ 275.872117][ T27] RDX: 0000200000000100 RSI: 00000000c100565c RDI: 0000000000000003 [ 275.880461][ T27] RBP: 00007f1722c88f91 R08: 0000000000000000 R09: 0000000000000000 [ 275.902601][ T27] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 275.961674][ T27] R13: 00007f1722e5d038 R14: 00007f1722e5cfa0 R15: 00007ffd600e45f8 [ 275.973225][ T2] kthreadd invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0 [ 276.011209][ T27] [ 276.014341][ T27] [ 276.014341][ T27] Showing all locks held in the system: [ 276.032979][ T2] CPU: 1 PID: 2 Comm: kthreadd Not tainted syzkaller #0 [ 276.039958][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/02/2025 [ 276.050034][ T2] Call Trace: [ 276.053330][ T2] [ 276.056298][ T2] dump_stack_lvl+0x168/0x230 [ 276.061012][ T2] ? show_regs_print_info+0x20/0x20 [ 276.066234][ T2] ? load_image+0x3b0/0x3b0 [ 276.070765][ T2] ? local_lock_release+0x170/0x170 [ 276.075985][ T2] ? __rwlock_init+0x140/0x140 [ 276.080769][ T2] dump_header+0xd4/0x770 [ 276.085126][ T2] oom_kill_process+0x20e/0x3d0 [ 276.089991][ T2] out_of_memory+0xe43/0x11e0 [ 276.094693][ T2] ? __alloc_pages+0x470/0x470 [ 276.099474][ T2] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 276.105738][ T2] ? unregister_oom_notifier+0x20/0x20 [ 276.111224][ T2] __alloc_pages_slowpath+0x1d11/0x27a0 [ 276.116833][ T2] ? get_page_from_freelist+0x1c60/0x1c60 [ 276.122582][ T2] ? prepare_alloc_pages+0x368/0x5f0 [ 276.127892][ T2] __alloc_pages+0x332/0x470 [ 276.132518][ T2] ? zone_statistics+0x170/0x170 [ 276.137499][ T2] ? alloc_pages+0x438/0x550 [ 276.142123][ T2] __get_free_pages+0x8/0x30 [ 276.146736][ T2] kasan_populate_vmalloc_pte+0x21/0xc0 [ 276.152314][ T2] __apply_to_page_range+0x983/0xd10 [ 276.157627][ T2] ? kasan_populate_vmalloc+0x70/0x70 [ 276.163029][ T2] alloc_vmap_area+0x19f7/0x1b20 [ 276.168027][ T2] ? vm_map_ram+0xba0/0xba0 [ 276.172553][ T2] __get_vm_area_node+0x14f/0x2d0 [ 276.177601][ T2] __vmalloc_node_range+0xef/0x8b0 [ 276.182734][ T2] ? copy_process+0x5b3/0x3e00 [ 276.187510][ T2] ? dup_task_struct+0x57/0xb30 [ 276.192382][ T2] ? rcu_is_watching+0x11/0xa0 [ 276.197168][ T2] ? kmem_cache_alloc_node+0x162/0x2d0 [ 276.202652][ T2] dup_task_struct+0x3f5/0xb30 [ 276.207438][ T2] ? copy_process+0x5b3/0x3e00 [ 276.212236][ T2] copy_process+0x5b3/0x3e00 [ 276.216957][ T2] ? __lock_acquire+0x13ad/0x7c60 [ 276.222015][ T2] ? __pidfd_prepare+0x140/0x140 [ 276.226970][ T2] ? finish_lock_switch+0x12f/0x280 [ 276.232375][ T2] ? lockdep_hardirqs_on+0x94/0x140 [ 276.237797][ T2] ? finish_lock_switch+0x12f/0x280 [ 276.243054][ T2] kernel_clone+0x219/0x930 [ 276.247591][ T2] ? create_io_thread+0x130/0x130 [ 276.252632][ T2] ? __schedule+0x11c3/0x4390 [ 276.257360][ T2] ? kthread_blkcg+0xd0/0xd0 [ 276.261969][ T2] kernel_thread+0xc8/0x120 [ 276.266497][ T2] ? ptrace_event_pid+0x310/0x310 [ 276.271563][ T2] ? kthread_blkcg+0xd0/0xd0 [ 276.276192][ T2] ? __rwlock_init+0x140/0x140 [ 276.280983][ T2] ? do_raw_spin_unlock+0x11d/0x230 [ 276.286210][ T2] kthreadd+0x520/0x6f0 [ 276.290419][ T2] ? kthread_stop+0x540/0x540 [ 276.295125][ T2] ? finish_task_switch+0x12f/0x640 [ 276.300342][ T2] ? _raw_spin_unlock_irq+0x1f/0x40 [ 276.305556][ T2] ? lockdep_hardirqs_on+0x94/0x140 [ 276.310964][ T2] ? kthread_stop+0x540/0x540 [ 276.315693][ T2] ret_from_fork+0x1f/0x30 [ 276.320154][ T2] [ 276.376339][ T27] 2 locks held by init/1: [ 276.380769][ T27] #0: ffff88802bad0828 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 276.432314][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 276.483719][ T27] 1 lock held by kthreadd/2: [ 276.489848][ T27] 3 locks held by kworker/u4:0/9: [ 276.494943][ T27] #0: ffff888016879138 ((wq_completion)events_unbound){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 276.507174][ T27] #1: ffffc90000ce7d00 ((linkwatch_work).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 276.517682][ T27] #2: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: linkwatch_event+0xa/0x50 [ 276.526736][ T27] 1 lock held by khungtaskd/27: [ 276.531607][ T27] #0: ffffffff8c11c720 (rcu_read_lock){....}-{1:2}, at: rcu_lock_acquire+0x0/0x30 [ 276.541044][ T27] 4 locks held by kworker/u4:1/144: [ 276.546265][ T27] #0: ffff8880169cd938 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 276.557574][ T27] #1: ffffc900011afd00 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 276.567597][ T27] #2: ffffffff8d22cad0 (pernet_ops_rwsem){++++}-{3:3}, at: cleanup_net+0x132/0xb80 [ 276.577173][ T27] #3: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: netdev_run_todo+0x86b/0xa40 [ 276.586507][ T27] 2 locks held by kworker/u4:3/155: [ 276.591738][ T27] 3 locks held by kworker/1:3/2304: [ 276.602174][ T27] #0: ffff888016871938 ((wq_completion)events_power_efficient){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 276.644678][ T27] #1: ffffc90005c9fd00 ((reg_check_chans).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 276.657431][ T27] #2: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: reg_check_chans_work+0x81/0xa50 [ 276.676567][ T27] 2 locks held by udevd/3561: [ 276.681284][ T27] #0: ffff88807cb90128 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 276.694094][ T2] Mem-Info: [ 276.697277][ T2] active_anon:0 inactive_anon:0 isolated_anon:0 [ 276.697277][ T2] active_file:77 inactive_file:2 isolated_file:8 [ 276.697277][ T2] unevictable:768 dirty:1 writeback:0 [ 276.697277][ T2] slab_reclaimable:16191 slab_unreclaimable:120485 [ 276.697277][ T2] mapped:1 shmem:768 pagetables:299 bounce:0 [ 276.697277][ T2] kernel_misc_reclaimable:0 [ 276.697277][ T2] free:6920 free_pcp:0 free_cma:0 [ 276.702831][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 276.776331][ T2] Node 0 active_anon:0kB inactive_anon:0kB active_file:164kB inactive_file:84kB unevictable:1536kB isolated(anon):0kB isolated(file):32kB mapped:4kB dirty:4kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:11856kB pagetables:1120kB all_unreclaimable? no [ 276.793550][ T27] 2 locks held by dhcpcd/3854: [ 276.824641][ T27] #0: ffff888140887410 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 276.836439][ T2] Node 1 active_anon:0kB inactive_anon:0kB active_file:28kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:752kB pagetables:76kB all_unreclaimable? yes [ 276.838459][ T27] #1: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: ip6mr_sk_done+0xaa/0x2b0 [ 276.917787][ T2] Node 0 DMA free:6996kB min:204kB low:252kB high:300kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 276.923467][ T27] 2 locks held by dhcpcd/3855: [ 276.962650][ T27] #0: ffff8880205bdc10 (&sb->s_type->i_mutex_key#11){+.+.}-{3:3}, at: sock_close+0x90/0x240 [ 276.979633][ T27] #1: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: ip6mr_sk_done+0xaa/0x2b0 [ 276.983600][ T2] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 276.994487][ T2] Node 0 DMA32 free:0kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:228kB inactive_file:16kB unevictable:1536kB writepending:4kB present:3129332kB managed:2608988kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.002606][ T27] 2 locks held by dhcpcd/3856: [ 277.078304][ T27] #0: ffff88802b19f828 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.096319][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.109007][ T2] lowmem_reserve[]: 0 0 0 0 0 [ 277.113767][ T2] Node 0 Normal free:0kB min:12kB low:12kB high:12kB reserved_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:916kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.116332][ T27] 2 locks held by getty/3946: [ 277.156772][ T27] #0: ffff88802b8dd098 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x21/0x70 [ 277.191757][ T27] #1: ffffc90002cf62e8 (&ldata->atomic_read_lock){+.+.}-{3:3}, at: n_tty_read+0x5ba/0x1a30 [ 277.216346][ T27] 2 locks held by dhcpcd/3987: [ 277.221160][ T27] #0: ffff88802a065528 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.242765][ T2] lowmem_reserve[]: 0 0 0 0 0 [ 277.250893][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.266440][ T2] Node 1 Normal free:20528kB min:55088kB low:68860kB high:82632kB reserved_highatomic:45056KB active_anon:0kB inactive_anon:0kB active_file:44kB inactive_file:32kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 277.271484][ T27] 2 locks held by dhcpcd/3988: [ 277.299460][ T27] #0: ffff88802a064028 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.306858][ T2] lowmem_reserve[]: 0 0 0 0 0 [ 277.314077][ T2] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 0*16kB 1*32kB (U) 0*64kB 1*128kB (U) 0*256kB 1*512kB (U) 0*1024kB 1*2048kB (M) 1*4096kB (M) = 6844kB [ 277.336345][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.365107][ T2] Node 0 DMA32: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 277.378189][ T27] 2 locks held by dhcpcd/3992: [ 277.382985][ T27] #0: ffff88801e328f28 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.393654][ T2] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 277.405520][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.415648][ T2] Node 1 Normal: 24*4kB (UM) 42*8kB (ME) 40*16kB (UME) 32*32kB (UME) 24*64kB (UM) 20*128kB (ME) 12*256kB (UM) 6*512kB (UME) 8*1024kB (M) 0*2048kB 0*4096kB = 20528kB [ 277.434688][ T27] 2 locks held by dhcpcd/3998: [ 277.444515][ T27] #0: ffff88801e32b928 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.454602][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.464727][ T2] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.474393][ T2] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 277.507618][ T27] 2 locks held by dhcpcd/4002: [ 277.512430][ T27] #0: ffff88802a062b28 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.522375][ T2] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 277.533270][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.555122][ T2] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 277.576357][ T27] 2 locks held by dhcpcd/4003: [ 277.581192][ T27] #0: ffff88801e329d28 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.596341][ T2] 863 total pagecache pages [ 277.600880][ T2] 0 pages in swap cache [ 277.605042][ T2] Swap cache stats: add 38135, delete 38135, find 69/492 [ 277.620450][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.641023][ T2] Free swap = 107672kB [ 277.645220][ T2] Total swap = 124996kB [ 277.649445][ T27] 2 locks held by sshd-session/4189: [ 277.654756][ T27] #0: ffff88807a50c728 (&mm->mmap_lock){++++}-{3:3}, at: do_user_addr_fault+0x2b9/0xc80 [ 277.664729][ T2] 2097051 pages RAM [ 277.669625][ T2] 0 pages HighMem/MovableOnly [ 277.674320][ T2] 410817 pages reserved [ 277.678591][ T27] #1: ffffffff8c1dc6e0 (fs_reclaim){+.+.}-{0:0}, at: __alloc_pages_slowpath+0x1056/0x27a0 [ 277.688736][ T2] 0 pages cma reserved [ 277.692819][ T2] Unreclaimable slab info: [ 277.703584][ T2] Name Used Total [ 277.709973][ T27] 3 locks held by kworker/1:4/4233: [ 277.715225][ T27] #0: ffff888016870938 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 277.727279][ T2] pid_2 22KB 22KB [ 277.733412][ T2] bio-320 7KB 7KB [ 277.752458][ T27] #1: ffffc90002e0fd00 (deferred_process_work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 277.769438][ T2] zswap_entry 3205KB 3205KB [ 277.775603][ T2] batadv_tt_change_cache 8KB 8KB [ 277.782197][ T27] #2: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: switchdev_deferred_process_work+0xa/0x20 [ 277.792723][ T2] batadv_tl_cache 8KB 8KB [ 277.798887][ T27] 6 locks held by kworker/u4:5/4281: [ 277.804203][ T27] #0: ffff888141fb0938 ((wq_completion)writeback){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 277.814977][ T2] TIPC 63KB 63KB [ 277.827765][ T2] SCTPv6 63KB 63KB [ 277.833900][ T2] DCCPv6 59KB 59KB [ 277.842188][ T27] #1: ffffc90002e7fd00 ((work_completion)(&(&wb->dwork)->work)){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 277.854161][ T2] DCCP 61KB 61KB [ 277.860370][ T2] RXRPC 61KB 61KB [ 277.875547][ T27] #2: ffff88807f0c40e0 (&type->s_umount_key#32){++++}-{3:3}, at: trylock_super+0x1c/0xf0 [ 277.910037][ T2] rxrpc_call_jar 249KB 252KB [ 277.916171][ T2] bridge_fdb_cache 15KB 15KB [ 277.943192][ T27] #3: ffff88807f0c6bd8 (&sbi->s_writepages_rwsem){.+.+}-{0:0}, at: ext4_writepages+0x1c0/0x2d20 [ 278.018434][ T2] MPTCPv6 30KB 30KB [ 278.024664][ T2] fib6_nodes 224KB 224KB [ 278.046704][ T27] #4: ffff88807f0c8990 (jbd2_handle){++++}-{0:0}, at: start_this_handle+0x1312/0x15a0 [ 278.116579][ T2] ip6_dst_cache 357KB 592KB [ 278.122811][ T2] RAWv6 308KB 308KB [ 278.128994][ T27] #5: ffff888074a88278 (&ei->i_data_sem){++++}-{3:3}, at: ext4_map_blocks+0x8b2/0x1b30 [ 278.185477][ T27] 3 locks held by kworker/0:23/4312: [ 278.198029][ T2] UDPv6 128KB 128KB [ 278.226348][ T27] #0: ffff88802a485d38 ((wq_completion)ipv6_addrconf){+.+.}-{0:0}, at: process_one_work+0x760/0x1000 [ 278.241915][ T2] TCPv6 95KB 95KB [ 278.269589][ T2] nf_conntrack 39KB 39KB [ 278.275849][ T2] wg_peer 152KB 152KB [ 278.296431][ T27] #1: ffffc9000310fd00 ((addr_chk_work).work){+.+.}-{0:0}, at: process_one_work+0x7a3/0x1000 [ 278.346355][ T27] #2: ffffffff8d238748 (rtnl_mutex){+.+.}-{3:3}, at: addrconf_verify_work+0xa/0x20 [ 278.386330][ T2] allowedips_node 19KB 19KB [ 278.392468][ T2] t10_alua_lu_gp_cache 3KB 3KB [ 278.402329][ T27] 4 locks held by syz.3.20/4389: [ 278.428381][ T27] 2 locks held by syz.4.21/4400: [ 278.433371][ T27] #0: ffff8880268b0448 (&mdev->req_queue_mutex){+.+.}-{3:3}, at: v4l2_release+0x1b9/0x390 [ 278.470245][ T1493] slab_out_of_memory: 4724 callbacks suppressed [ 278.470266][ T1493] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 278.476709][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 278.485531][ T1493] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 278.493610][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 278.493636][ T1108] node 0: slabs: 7231, objs: 86772, free: 0 [ 278.493656][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 278.503812][ T1493] node 0: slabs: 1066, objs: 16930, free: 0 [ 278.514353][ T1108] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 278.520347][ T1493] node 1: slabs: 616, objs: 5782, free: 31 [ 278.526540][ T1108] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 278.532666][ T155] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 278.540665][ T1108] node 0: slabs: 7231, objs: 86772, free: 0 [ 278.540686][ T1108] node 1: slabs: 1541, objs: 18492, free: 30 [ 278.540810][ T4381] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 278.546709][ T155] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 278.546730][ T155] node 0: slabs: 1066, objs: 16930, free: 0 [ 278.557899][ T4381] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 278.557923][ T4381] node 0: slabs: 1066, objs: 16930, free: 0 [ 278.557941][ T4381] node 1: slabs: 616, objs: 5782, free: 31 [ 278.567046][ T155] node 1: slabs: 616, objs: 5782, free: 31 [ 278.567398][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 278.573221][ T4522] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 278.579309][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 278.588248][ T4522] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 278.598331][ T4275] node 0: slabs: 7234, objs: 86808, free: 0 [ 278.604384][ T4522] node 0: slabs: 1066, objs: 16930, free: 0 [ 278.614463][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 278.620558][ T4522] node 1: slabs: 616, objs: 5782, free: 31 [ 278.626599][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 278.632747][ T4386] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 278.640556][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 278.649552][ T4386] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 278.660034][ T4275] node 0: slabs: 7234, objs: 86808, free: 0 [ 278.660052][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 278.660087][ T4275] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 278.660103][ T4275] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 278.660123][ T4275] node 0: slabs: 7234, objs: 86808, free: 0 [ 278.660139][ T4275] node 1: slabs: 1541, objs: 18492, free: 30 [ 278.736374][ T2] sd_ext_cdb 3KB 3KB [ 278.739004][ T4386] node 0: slabs: 1066, objs: 16930, free: 0 [ 278.745137][ T2] scsi_sense_cache 1092KB 1092KB [ 278.753132][ T4386] node 1: slabs: 616, objs: 5782, free: 31 [ 278.816323][ T27] #1: ffff8880268b6aa8 (&dev->mutex#4){+.+.}-{3:3}, at: vivid_fop_release+0x66/0xad0 [ 278.825998][ T27] 1 lock held by syz.0.17/4426: [ 278.906323][ T27] #0: ffff8880268b0448 (&mdev->req_queue_mutex){+.+.}-{3:3}, at: v4l2_release+0x1b9/0x390 [ 278.966324][ T27] 1 lock held by syz.1.18/4428: [ 278.971232][ T27] #0: ffff8880268b0448 (&mdev->req_queue_mutex){+.+.}-{3:3}, at: v4l2_release+0x1b9/0x390 [ 279.016340][ T27] 1 lock held by syz.2.19/4430: [ 279.021241][ T27] #0: ffff8880268b0448 (&mdev->req_queue_mutex){+.+.}-{3:3}, at: v4l2_release+0x1b9/0x390 [ 279.046574][ T2] virtio_scsi_cmd 16KB 16KB [ 279.056431][ T2] bio-136 93KB 96KB [ 279.090188][ T27] 1 lock held by syz.5.22/4472: [ 279.090197][ T2] sgpool-128 29KB 29KB [ 279.090218][ T2] sgpool-64 95KB 95KB