B [ 196.015369][ T4023] kmalloc-cg-512 1685KB 2144KB [ 196.051525][ T4023] kmalloc-cg-256 40KB 40KB [ 196.092388][ T4023] kmalloc-cg-192 152KB 152KB [ 196.132979][ T4023] kmalloc-cg-128 124KB 124KB [ 196.145362][ T4023] kmalloc-cg-96 16KB 16KB [ 196.159865][ T4023] kmalloc-cg-64 16KB 16KB [ 196.165977][ T4023] kmalloc-cg-32 20KB 20KB [ 196.180620][ T4023] kmalloc-cg-16 70KB 168KB [ 196.186735][ T4023] kmalloc-cg-8 23KB 23KB [ 196.218696][ T4023] kmalloc-8k 10512KB 10624KB [ 196.224828][ T4023] kmalloc-4k 170888KB 170992KB [ 196.347704][ T4023] kmalloc-2k 26036KB 29600KB [ 196.353831][ T4023] kmalloc-1k 36812KB 36932KB [ 196.430640][ T4023] kmalloc-512 25558KB 25588KB [ 196.436764][ T4023] kmalloc-256 5276KB 5280KB [ 196.527559][ T4023] kmalloc-192 1124KB 1676KB [ 196.533699][ T4023] kmalloc-128 1667KB 1704KB [ 196.587104][ T4023] kmalloc-96 1316KB 1340KB [ 196.603184][ T4023] kmalloc-64 3166KB 3908KB [ 196.610199][ T4023] kmalloc-32 658KB 780KB [ 196.616321][ T4023] kmalloc-16 273KB 340KB [ 196.622948][ T4023] kmalloc-8 557KB 605KB [ 196.637512][ T4023] kmem_cache_node 203KB 204KB [ 196.643607][ T4023] kmem_cache 172KB 172KB [ 196.661127][ T4023] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=4023,uid=101 [ 196.688044][ T4023] Out of memory (oom_kill_allocating_task): Killed process 4023 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:52kB oom_score_adj:0 [ 197.231218][ T3989] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 197.357660][ T3989] CPU: 0 PID: 3989 Comm: dhcpcd Not tainted syzkaller #0 [ 197.364730][ T3989] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 197.374809][ T3989] Call Trace: [ 197.378109][ T3989] [ 197.381059][ T3989] dump_stack_lvl+0x168/0x230 [ 197.385764][ T3989] ? show_regs_print_info+0x20/0x20 [ 197.390976][ T3989] ? load_image+0x3b0/0x3b0 [ 197.395505][ T3989] ? local_lock_release+0x170/0x170 [ 197.400725][ T3989] ? __rwlock_init+0x140/0x140 [ 197.405507][ T3989] dump_header+0xd4/0x770 [ 197.409859][ T3989] oom_kill_process+0x20e/0x3d0 [ 197.414730][ T3989] out_of_memory+0xf5f/0x11e0 [ 197.419437][ T3989] ? __alloc_pages+0x470/0x470 [ 197.424224][ T3989] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 197.430491][ T3989] ? unregister_oom_notifier+0x20/0x20 [ 197.435977][ T3989] __alloc_pages_slowpath+0x1d07/0x2790 [ 197.441573][ T3989] ? get_page_from_freelist+0x1c60/0x1c60 [ 197.447324][ T3989] ? prepare_alloc_pages+0x368/0x5f0 [ 197.452628][ T3989] __alloc_pages+0x332/0x470 [ 197.457273][ T3989] ? zone_statistics+0x170/0x170 [ 197.462232][ T3989] ? __lock_acquire+0x7c60/0x7c60 [ 197.467274][ T3989] ? __rwlock_init+0x140/0x140 [ 197.472076][ T3989] alloc_pages_vma+0x393/0x7c0 [ 197.476850][ T3989] ? __swp_swapcount+0xf5/0x120 [ 197.481714][ T3989] __read_swap_cache_async+0x1b5/0xa70 [ 197.487231][ T3989] swap_cluster_readahead+0x6a2/0x7c0 [ 197.492634][ T3989] ? read_swap_cache_async+0x90/0x90 [ 197.497955][ T3989] swapin_readahead+0xf3/0xaa0 [ 197.502740][ T3989] ? rcu_lock_release+0x5/0x20 [ 197.507526][ T3989] ? __lock_acquire+0x7c60/0x7c60 [ 197.512568][ T3989] ? exit_swap_address_space+0x280/0x280 [ 197.518217][ T3989] ? put_swap_device+0x15c/0x200 [ 197.523177][ T3989] ? lookup_swap_cache+0x135/0x440 [ 197.528303][ T3989] ? get_swap_device+0x21b/0x360 [ 197.533260][ T3989] do_swap_page+0x4b6/0x1f40 [ 197.537863][ T3989] ? count_memcg_event_mm+0x311/0x360 [ 197.543268][ T3989] handle_mm_fault+0x1ada/0x43c0 [ 197.548243][ T3989] ? get_page+0xe0/0xe0 [ 197.552423][ T3989] ? vmacache_find+0x238/0x590 [ 197.557210][ T3989] ? find_vma+0xd2/0x230 [ 197.561465][ T3989] do_user_addr_fault+0x489/0xc80 [ 197.566517][ T3989] exc_page_fault+0x60/0x100 [ 197.571129][ T3989] asm_exc_page_fault+0x22/0x30 [ 197.575985][ T3989] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 197.581283][ T3989] 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 04 c2 ab ff 49 ff c7 49 83 c6 [ 197.600897][ T3989] RSP: 0000:ffffc90002e1f880 EFLAGS: 00050246 [ 197.606978][ T3989] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888023369dc0 [ 197.614961][ T3989] RDX: 000055fe462bfdd6 RSI: ffffc90002e1fc90 RDI: 0000000000000000 [ 197.622937][ T3989] RBP: ffffc90002e1fe30 R08: dffffc0000000000 R09: ffffed10054189f0 [ 197.630918][ T3989] R10: ffffed10054189f0 R11: 1ffff110054189ef R12: dffffc0000000000 [ 197.638905][ T3989] R13: 000055fe462bfde0 R14: ffffc90002e1fca2 R15: 0000000000000000 [ 197.646915][ T3989] ? do_sys_poll+0x6a1/0x1100 [ 197.651617][ T3989] ? poll_select_finish+0x5e0/0x5e0 [ 197.656841][ T3989] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 197.663111][ T3989] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 197.669466][ T3989] ? set_user_sigmask+0x157/0x1b0 [ 197.674506][ T3989] ? sigprocmask+0x190/0x190 [ 197.679123][ T3989] ? __lock_acquire+0x7c60/0x7c60 [ 197.684174][ T3989] __se_sys_ppoll+0x1fc/0x260 [ 197.688863][ T3989] ? __x64_sys_ppoll+0xc0/0xc0 [ 197.693648][ T3989] ? __x64_sys_ppoll+0x1c/0xc0 [ 197.698424][ T3989] do_syscall_64+0x4c/0xa0 [ 197.702852][ T3989] ? clear_bhb_loop+0x30/0x80 [ 197.707539][ T3989] ? clear_bhb_loop+0x30/0x80 [ 197.712233][ T3989] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 197.718143][ T3989] RIP: 0033:0x7f0def012407 [ 197.722587][ T3989] Code: Unable to access opcode bytes at RIP 0x7f0def0123dd. [ 197.729955][ T3989] RSP: 002b:00007ffc7ce0d560 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 197.738388][ T3989] RAX: ffffffffffffffda RBX: 00007f0deef88740 RCX: 00007f0def012407 [ 197.746376][ T3989] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055fe462bfdd0 [ 197.754359][ T3989] RBP: 00007ffc7ce0d8a0 R08: 0000000000000008 R09: 0000000000000000 [ 197.762345][ T3989] R10: 00007ffc7ce0d8a0 R11: 0000000000000202 R12: 000055fe1c17a5e0 [ 197.770338][ T3989] R13: 000055fe462b2df0 R14: 0000000000000000 R15: 00007ffc7ce0d650 [ 197.778339][ T3989] [ 197.798234][ T3989] Mem-Info: [ 197.801376][ T3989] active_anon:0 inactive_anon:0 isolated_anon:0 [ 197.801376][ T3989] active_file:60 inactive_file:34 isolated_file:17 [ 197.801376][ T3989] unevictable:768 dirty:0 writeback:0 [ 197.801376][ T3989] slab_reclaimable:16030 slab_unreclaimable:105199 [ 197.801376][ T3989] mapped:1 shmem:768 pagetables:408 bounce:0 [ 197.801376][ T3989] kernel_misc_reclaimable:0 [ 197.801376][ T3989] free:11588 free_pcp:286 free_cma:0 [ 197.842226][ T3989] Node 0 active_anon:0kB inactive_anon:0kB active_file:204kB inactive_file:100kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12144kB pagetables:1620kB all_unreclaimable? yes [ 197.872436][ T3989] Node 1 active_anon:0kB inactive_anon:0kB active_file:36kB inactive_file:36kB unevictable:1536kB isolated(anon):0kB isolated(file):68kB mapped:0kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:496kB pagetables:12kB all_unreclaimable? yes [ 197.905537][ T3989] 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 [ 197.945355][ T3989] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 197.954513][ T3989] Node 0 DMA32 free:12984kB min:34800kB low:43500kB high:52200kB reserved_highatomic:22528KB active_anon:0kB inactive_anon:0kB active_file:204kB inactive_file:100kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:448kB local_pcp:224kB free_cma:0kB [ 197.989765][ T3989] lowmem_reserve[]: 0 0 0 0 0 [ 197.994526][ T3989] 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 [ 198.021175][ T3989] lowmem_reserve[]: 0 0 0 0 0 [ 198.025912][ T3989] Node 1 Normal free:22612kB min:55088kB low:68860kB high:82632kB reserved_highatomic:20480KB active_anon:0kB inactive_anon:0kB active_file:36kB inactive_file:36kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:836kB local_pcp:392kB free_cma:0kB [ 198.058068][ T3989] lowmem_reserve[]: 0 0 0 0 0 [ 198.062837][ T3989] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 198.085134][ T3989] Node 0 DMA32: 168*4kB (UME) 153*8kB (UME) 99*16kB (UME) 149*32kB (UME) 49*64kB (UME) 14*128kB (UM) 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13432kB [ 198.101402][ T3989] 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 [ 198.114021][ T3989] Node 1 Normal: 21*4kB (ME) 14*8kB (M) 15*16kB (ME) 53*32kB (UME) 36*64kB (UME) 22*128kB (UME) 12*256kB (UM) 9*512kB (UMH) 8*1024kB (MH) 0*2048kB 0*4096kB = 23124kB [ 198.130859][ T3989] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 198.141094][ T3989] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 198.150481][ T3989] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 198.160127][ T3989] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 198.170288][ T3989] 861 total pagecache pages [ 198.174808][ T3989] 0 pages in swap cache [ 198.180080][ T3989] Swap cache stats: add 39694, delete 39694, find 134/384 [ 198.187217][ T3989] Free swap = 97788kB [ 198.191578][ T3989] Total swap = 124996kB [ 198.195749][ T3989] 2097051 pages RAM [ 198.202074][ T3989] 0 pages HighMem/MovableOnly [ 198.206762][ T3989] 410816 pages reserved [ 198.211150][ T3989] 0 pages cma reserved [ 198.215225][ T3989] Unreclaimable slab info: [ 198.219737][ T3989] Name Used Total [ 198.225991][ T3989] pid_2 22KB 22KB [ 198.238228][ T3989] bio-320 7KB 7KB [ 198.246005][ T3989] zswap_entry 3339KB 3340KB [ 198.254412][ T3989] batadv_tt_change_cache 8KB 8KB [ 198.260970][ T3989] batadv_tl_cache 8KB 8KB [ 198.267079][ T3989] TIPC 63KB 63KB [ 198.276294][ T3989] SCTPv6 63KB 63KB [ 198.282451][ T3989] DCCPv6 59KB 59KB [ 198.288560][ T3989] DCCP 61KB 61KB [ 198.294676][ T3989] RXRPC 61KB 61KB [ 198.301844][ T3989] rxrpc_call_jar 204KB 267KB [ 198.308530][ T3989] bridge_fdb_cache 19KB 19KB [ 198.317514][ T3989] MPTCPv6 30KB 30KB [ 198.323621][ T3989] fib6_nodes 228KB 228KB [ 198.331518][ T3989] ip6_dst_cache 258KB 521KB [ 198.337643][ T3989] RAWv6 338KB 338KB [ 198.343728][ T3989] UDPv6 128KB 128KB [ 198.351980][ T3989] TCPv6 63KB 63KB [ 198.361094][ T3989] nf_conntrack 39KB 39KB [ 198.367228][ T3989] wg_peer 152KB 152KB [ 198.373361][ T3989] allowedips_node 19KB 19KB [ 198.379539][ T3989] t10_alua_lu_gp_cache 3KB 3KB [ 198.385881][ T3989] sd_ext_cdb 3KB 3KB [ 198.398776][ T3989] scsi_sense_cache 1092KB 1092KB [ 198.404866][ T3989] virtio_scsi_cmd 16KB 16KB [ 198.411484][ T3989] bio-136 84KB 84KB [ 198.423075][ T3989] sgpool-128 29KB 29KB [ 198.431097][ T3989] sgpool-64 63KB 63KB [ 198.437190][ T3989] sgpool-32 283KB 283KB [ 198.459943][ T3989] sgpool-16 97KB 97KB [ 198.466051][ T3989] sgpool-8 90KB 90KB [ 198.474437][ T3989] bio-224 3KB 3KB [ 198.481502][ T3989] mqueue_inode_cache 60KB 60KB [ 198.487736][ T3989] f2fs_bio_post_read_ctx 16KB 16KB [ 198.494315][ T3989] jfs_mp 7KB 7KB [ 198.500454][ T3989] cifs_small_rq 16KB 16KB [ 198.506542][ T3989] cifs_request 67KB 67KB [ 198.513432][ T3989] cifs_mpx_ids 4KB 4KB [ 198.519570][ T3989] nfs_commit_data 15KB 15KB [ 198.525646][ T3989] nfs_write_data 47KB 47KB [ 198.532795][ T3989] jbd2_inode 7KB 7KB [ 198.539661][ T3989] ext4_system_zone 3KB 3KB [ 198.545753][ T3989] ext4_io_end_vec 7KB 7KB [ 198.555561][ T3989] ext4_bio_post_read_ctx 15KB 15KB [ 198.562294][ T3989] pid_namespace 7KB 7KB [ 198.568716][ T3989] rpc_buffers 31KB 31KB [ 198.574797][ T3989] rpc_tasks 3KB 3KB [ 198.581822][ T3989] UNIX-STREAM 288KB 288KB [ 198.595746][ T3989] UNIX 278KB 352KB [ 198.608365][ T3989] MPTCP 31KB 31KB [ 198.614461][ T3989] request_sock_subflow_v4 7KB 7KB [ 198.621084][ T3989] tcp_bind_bucket 8KB 8KB [ 198.627162][ T3989] ip_fib_trie 36KB 36KB [ 198.633262][ T3989] ip_fib_alias 122KB 122KB [ 198.639394][ T3989] ip_dst_cache 24KB 24KB [ 198.645468][ T3989] RAW 123KB 123KB [ 198.669700][ T3989] UDP 154KB 154KB [ 198.675807][ T3989] request_sock_TCP 15KB 15KB [ 198.697491][ T3989] TCP 60KB 60KB [ 198.703584][ T3989] hugetlbfs_inode_cache 30KB 30KB [ 198.747918][ T28] oom_reaper: reaped process 4023 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 198.759406][ T3989] fscache_cookie_jar 15KB 15KB [ 198.765587][ T3989] bio-256 11KB 11KB [ 198.771713][ T3989] ep_head 16KB 16KB [ 198.777950][ T3989] eventpoll_pwq 43KB 43KB [ 198.784028][ T3989] eventpoll_epi 74KB 74KB [ 198.790564][ T3989] inotify_inode_mark 19KB 19KB [ 198.796733][ T3989] bio_crypt_ctx 7KB 7KB [ 198.805188][ T3989] request_queue 388KB 541KB [ 198.811329][ T3989] blkdev_ioc 22KB 22KB [ 198.817417][ T3989] bio-200 245KB 266KB [ 198.823582][ T3989] biovec-max 348KB 416KB [ 198.831228][ T3989] biovec-64 356KB 425KB [ 198.837316][ T3989] biovec-16 82KB 82KB [ 198.843441][ T3989] bio_integrity_payload 7KB 7KB [ 198.850501][ T3989] user_namespace 15KB 15KB [ 198.856571][ T3989] uid_cache 7KB 7KB [ 198.863824][ T3989] dmaengine-unmap-256 30KB 30KB [ 198.870121][ T3989] dmaengine-unmap-128 15KB 15KB [ 198.876368][ T3989] dmaengine-unmap-16 4KB 4KB [ 198.890326][ T3989] dmaengine-unmap-2 4KB 4KB [ 198.896431][ T3989] QIPCRTR 31KB 31KB [ 198.937599][ T3989] audit_buffer 3KB 3KB [ 198.943721][ T3989] skbuff_ext_cache 56KB 56KB [ 199.017548][ T3989] skbuff_fclone_cache 82KB 120KB [ 199.023842][ T3989] skbuff_head_cache 17708KB 17711KB [ 199.167537][ T3989] configfs_dir_cache 8KB 8KB [ 199.173748][ T3989] file_lock_cache 74KB 74KB [ 199.277554][ T3989] file_lock_ctx 15KB 15KB [ 199.283689][ T3989] fsnotify_mark_connector 16KB 16KB [ 199.326521][ T3989] taskstats 15KB 15KB [ 199.347557][ T3989] proc_dir_entry 1163KB 1166KB [ 199.353656][ T3989] pde_opener 15KB 15KB [ 199.417549][ T3989] seq_file 105KB 120KB [ 199.423653][ T3989] sigqueue 102KB 122KB [ 199.452666][ T3989] shmem_inode_cache 7210KB 7307KB [ 199.474759][ T3989] kernfs_iattrs_cache 7KB 7KB [ 199.512113][ T3989] kernfs_node_cache 31237KB 31243KB [ 199.543844][ T3989] mnt_cache 157KB 189KB [ 199.607577][ T3989] filp 352KB 937KB [ 199.613682][ T3989] names_cache 1164KB 1343KB [ 199.708414][ T3989] net_namespace 132KB 185KB [ 199.714574][ T3989] iint_cache 45KB 45KB [ 199.777632][ T3989] lsm_inode_cache 1791KB 1964KB [ 199.834507][ T3989] lsm_file_cache 98KB 334KB [ 199.883234][ T3989] key_jar 15KB 15KB [ 199.926170][ T3989] uts_namespace 15KB 15KB [ 199.958319][ T3989] nsproxy 15KB 15KB [ 199.964443][ T3989] vm_area_struct 467KB 595KB [ 200.067539][ T3989] fs_cache 62KB 84KB [ 200.073760][ T3989] files_cache 221KB 350KB [ 200.088132][ T4334] warn_alloc: 1 callbacks suppressed [ 200.088144][ T4334] kworker/u4:5: page allocation failure: order:0, mode:0x40a20(GFP_ATOMIC|__GFP_COMP), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 200.107078][ T4407] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 200.116077][ T4407] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 200.126183][ T4407] node 0: slabs: 906, objs: 14482, free: 0 [ 200.132196][ T4407] node 1: slabs: 409, objs: 5144, free: 60 [ 200.147604][ T4403] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 200.156199][ T4403] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 200.166829][ T4403] node 0: slabs: 3993, objs: 47916, free: 0 [ 200.172960][ T4403] node 1: slabs: 868, objs: 10416, free: 9 [ 200.179033][ T4403] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 200.187030][ T4403] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 200.187814][ T4305] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 200.198058][ T4403] node 0: slabs: 3995, objs: 47940, free: 0 [ 200.198085][ T4403] node 1: slabs: 868, objs: 10416, free: 9 [ 200.198744][ T4335] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 200.206374][ T4305] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 200.212465][ T4335] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 200.212484][ T4335] node 0: slabs: 269, objs: 8608, free: 0 [ 200.212500][ T4335] node 1: slabs: 79, objs: 2528, free: 102 [ 200.212584][ T4240] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 200.212601][ T4240] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 200.212619][ T4240] node 0: slabs: 269, objs: 8608, free: 0 [ 200.212633][ T4240] node 1: slabs: 79, objs: 2528, free: 102 [ 200.212719][ T4240] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 200.218660][ T4305] node 0: slabs: 3996, objs: 47952, free: 0 [ 200.218679][ T4305] node 1: slabs: 868, objs: 10416, free: 9 [ 200.227629][ T4240] cache: kmalloc-96, object size: 96, buffer size: 128, default order: 0, min order: 0 [ 200.247635][ T3989] signal_cache 737KB 1976KB [ 200.248009][ T4240] node 0: slabs: 269, objs: 8608, free: 0 [ 200.253866][ T3989] sighand_cache 992KB 992KB [ 200.259913][ T4240] node 1: slabs: 79, objs: 2528, free: 102 [ 200.292250][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 200.353774][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 200.364282][ C1] node 0: slabs: 3996, objs: 47952, free: 0 [ 200.370355][ C1] node 1: slabs: 868, objs: 10416, free: 9 [ 200.376385][ C0] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 200.384395][ C0] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 200.394924][ C0] node 0: slabs: 3997, objs: 47964, free: 0 [ 200.401016][ C0] node 1: slabs: 868, objs: 10416, free: 9 [ 200.407583][ T4411] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 200.416541][ T4411] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 200.427236][ T4411] node 0: slabs: 906, objs: 14482, free: 0 [ 200.433287][ T4411] node 1: slabs: 409, objs: 5144, free: 60 [ 200.477594][ T3989] task_struct 3265KB 4075KB [ 200.483754][ T3989] cred_jar 169KB 423KB [ 200.487844][ T4334] CPU: 1 PID: 4334 Comm: kworker/u4:5 Not tainted syzkaller #0 [ 200.489912][ T3989] anon_vma_chain 247KB 334KB [ 200.497382][ T4334] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 200.497399][ T4334] Workqueue: phy15 ieee80211_iface_work [ 200.497426][ T4334] Call Trace: [ 200.497433][ T4334] [ 200.497442][ T4334] dump_stack_lvl+0x168/0x230 [ 200.497468][ T4334] ? rcu_lock_release+0x5/0x20 [ 200.497490][ T4334] ? show_regs_print_info+0x20/0x20 [ 200.497513][ T4334] ? load_image+0x3b0/0x3b0 [ 200.497548][ T4334] warn_alloc+0x20e/0x2f0 [ 200.497579][ T4334] ? zone_watermark_ok_safe+0x240/0x240 [ 200.497609][ T4334] ? __cpuset_node_allowed+0x99/0x540 [ 200.497635][ T4334] ? wakeup_kswapd+0x46b/0x7a0 [ 200.497663][ T4334] __alloc_pages_slowpath+0x273b/0x2790 [ 200.497707][ T4334] ? lockdep_hardirqs_on_prepare+0x3fc/0x760 [ 200.497746][ T4334] ? get_page_from_freelist+0x1c60/0x1c60 [ 200.497774][ T4334] ? __alloc_pages+0x470/0x470 [ 200.497816][ T4334] ? prepare_alloc_pages+0x368/0x5f0 [ 200.497848][ T4334] __alloc_pages+0x332/0x470 [ 200.497873][ T4334] ? zone_statistics+0x170/0x170 [ 200.497906][ T4334] ? alloc_pages+0x438/0x550 [ 200.497934][ T4334] new_slab+0x2e6/0x4b0 [ 200.497954][ T4334] ? __kmalloc+0x1cd/0x330 [ 200.497973][ T4334] ___slab_alloc+0x81e/0xdf0 [ 200.497994][ T4334] ? ieee802_11_parse_elems_crc+0xab/0x10c0 [ 200.498023][ T4334] __kmalloc+0x1cd/0x330 [ 200.498041][ T4334] ? ieee802_11_parse_elems_crc+0xab/0x10c0 [ 200.498069][ T4334] ieee802_11_parse_elems_crc+0xab/0x10c0 [ 200.517519][ T3989] anon_vma 215KB 215KB [ 200.519851][ T4334] ? cfg80211_parse_mbssid_data+0x3140/0x3140 [ 200.523139][ T3989] pid 146KB 345KB [ 200.526084][ T4334] ? ieee80211_queue_delayed_work+0x150/0x150 [ 200.537578][ T3989] Acpi-Operand 207KB 245KB [ 200.540691][ T4334] ieee80211_bss_info_update+0x75d/0xaa0 [ 200.545179][ T3989] Acpi-ParseExt 23KB 23KB [ 200.549508][ T4334] ? ieee80211_rx_bss_put+0x60/0x60 [ 200.549543][ T4334] ? ieee80211_mandatory_rates+0x1c8/0x230 [ 200.549574][ T4334] ieee80211_ibss_rx_queued_mgmt+0x16d0/0x29c0 [ 200.680543][ T3989] Acpi-Parse 126KB 126KB [ 200.683499][ T4334] ? ieee80211_ibss_rx_no_sta+0x730/0x730 [ 200.712370][ T4334] ? _raw_spin_unlock_irqrestore+0x82/0x100 [ 200.718285][ T4334] ? lockdep_hardirqs_on+0x94/0x140 [ 200.723505][ T4334] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 200.729440][ T4334] ? _raw_spin_unlock+0x40/0x40 [ 200.734312][ T4334] ? _raw_spin_unlock_irqrestore+0xaa/0x100 [ 200.740236][ T4334] ? kcov_remote_start+0xea/0x4a0 [ 200.745285][ T4334] ieee80211_iface_work+0x70e/0xc60 [ 200.750513][ T4334] process_one_work+0x863/0x1000 [ 200.755484][ T4334] ? worker_detach_from_pool+0x240/0x240 [ 200.757539][ T3989] Acpi-State 196KB 232KB [ 200.761130][ T4334] ? lockdep_hardirqs_off+0x70/0x100 [ 200.767199][ T3989] Acpi-Namespace 32KB 32KB [ 200.772472][ T4334] ? _raw_spin_lock_irq+0xab/0xe0 [ 200.772497][ T4334] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 200.772523][ T4334] ? wq_worker_running+0x97/0x170 [ 200.772547][ T4334] worker_thread+0xaa8/0x12a0 [ 200.798706][ T4334] kthread+0x436/0x520 [ 200.802812][ T4334] ? rcu_lock_release+0x20/0x20 [ 200.807689][ T4334] ? kthread_blkcg+0xd0/0xd0 [ 200.812307][ T4334] ret_from_fork+0x1f/0x30 [ 200.816762][ T4334] [ 200.947556][ T3989] numa_policy 3KB 3KB [ 200.953690][ T3989] perf_event 31KB 31KB [ 201.037549][ T3989] trace_event_file 432KB 432KB [ 201.037577][ T3989] ftrace_event_field 548KB 548KB [ 201.037596][ T3989] pool_workqueue 256KB 260KB [ 201.037614][ T3989] task_group 30KB 30KB [ 201.171011][ T4334] Mem-Info: [ 201.174012][ T3989] mm_struct 164KB 535KB [ 201.174172][ T4334] active_anon:0 inactive_anon:0 isolated_anon:0 [ 201.174172][ T4334] active_file:98 inactive_file:44 isolated_file:7 [ 201.174172][ T4334] unevictable:768 dirty:0 writeback:0 [ 201.174172][ T4334] slab_reclaimable:16030 slab_unreclaimable:106134 [ 201.174172][ T4334] mapped:1 shmem:768 pagetables:408 bounce:0 [ 201.174172][ T4334] kernel_misc_reclaimable:0 [ 201.174172][ T4334] free:10679 free_pcp:300 free_cma:0 [ 201.180264][ T3989] vmap_area 347KB 354KB [ 201.180315][ T3989] debug_objects_cache 1804KB 1972KB [ 201.180332][ T3989] page->ptl 154KB 228KB [ 201.180382][ T3989] kmalloc-cg-8k 2080KB 2080KB [ 201.221599][ T4334] Node 0 active_anon:0kB inactive_anon:0kB active_file:192kB inactive_file:152kB unevictable:1536kB isolated(anon):0kB isolated(file):28kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12144kB pagetables:1620kB all_unreclaimable? yes [ 201.252758][ T3989] kmalloc-cg-4k 5264KB 5264KB [ 201.276629][ T4334] Node 1 active_anon:0kB inactive_anon:0kB active_file:200kB inactive_file:24kB 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:496kB pagetables:12kB all_unreclaimable? yes [ 201.337575][ T3989] kmalloc-cg-2k 1228KB 1252KB [ 201.343699][ T3989] kmalloc-cg-1k 842KB 960KB [ 201.372415][ T3989] kmalloc-cg-512 1685KB 2144KB [ 201.389627][ T4334] 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 [ 201.396995][ T3989] kmalloc-cg-256 40KB 40KB [ 201.415923][ T4334] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 201.415975][ T4334] Node 0 DMA32 free:12052kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:208kB inactive_file:24kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:940kB local_pcp:472kB free_cma:0kB [ 201.416031][ T4334] lowmem_reserve[]: 0 0 0 0 0 [ 201.416075][ T4334] 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 [ 201.416125][ T4334] lowmem_reserve[]: 0 0 0 0 0 [ 201.517986][ T3989] kmalloc-cg-192 152KB 152KB [ 201.522165][ T4334] Node 1 Normal free:20632kB min:57136kB low:70908kB high:84680kB reserved_highatomic:20480KB active_anon:0kB inactive_anon:0kB active_file:100kB inactive_file:24kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 201.547511][ T3989] kmalloc-cg-128 124KB 124KB [ 201.552414][ T4334] lowmem_reserve[]: 0 0 0 0 0 [ 201.568090][ T4334] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 201.583544][ T4334] Node 0 DMA32: 146*4kB (ME) 150*8kB (UME) 89*16kB (UME) 141*32kB (UME) 44*64kB (UME) 14*128kB (UM) 1*256kB (M) 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12584kB [ 201.592055][ T3989] kmalloc-cg-96 16KB 16KB [ 201.600254][ T4334] 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 [ 201.623609][ T3989] kmalloc-cg-64 16KB 16KB [ 201.647530][ T4334] Node 1 Normal: 22*4kB (UME) 18*8kB (UM) 19*16kB (UME) 49*32kB (UME) 29*64kB (UME) 23*128kB (UME) 14*256kB (UM) 8*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 20728kB [ 201.653475][ T3989] kmalloc-cg-32 20KB 20KB [ 201.697537][ T4334] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 201.707128][ T4334] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 201.712766][ T3989] kmalloc-cg-16 70KB 168KB [ 201.767497][ T3989] kmalloc-cg-8 23KB 23KB [ 201.773745][ T3989] kmalloc-8k 10512KB 10624KB [ 201.867540][ T4334] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 201.877121][ T4334] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 201.904428][ T3989] kmalloc-4k 170888KB 170992KB [ 201.945731][ T3989] kmalloc-2k 26036KB 29600KB [ 201.987331][ T3989] kmalloc-1k 39240KB 39360KB [ 202.027063][ T4334] 861 total pagecache pages [ 202.032432][ T3989] kmalloc-512 27126KB 27156KB [ 202.039610][ T4334] 0 pages in swap cache [ 202.043803][ T4334] Swap cache stats: add 39694, delete 39694, find 134/384 [ 202.052773][ T3989] kmalloc-256 5276KB 5280KB [ 202.062086][ T3989] kmalloc-192 1124KB 1676KB [ 202.068247][ T4334] Free swap = 97788kB [ 202.072331][ T4334] Total swap = 124996kB [ 202.076492][ T4334] 2097051 pages RAM [ 202.085032][ T3989] kmalloc-128 1667KB 1704KB [ 202.091187][ T3989] kmalloc-96 1383KB 1396KB [ 202.097318][ T3989] kmalloc-64 3176KB 3908KB [ 202.103462][ T4334] 0 pages HighMem/MovableOnly [ 202.108190][ T4334] 410816 pages reserved [ 202.112367][ T4334] 0 pages cma reserved [ 202.116946][ T3989] kmalloc-32 677KB 780KB [ 202.123217][ T3989] kmalloc-16 273KB 340KB [ 202.129311][ T3989] kmalloc-8 557KB 605KB [ 202.136053][ T3989] kmem_cache_node 203KB 204KB [ 202.142224][ T3989] kmem_cache 172KB 172KB [ 202.148711][ T3989] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=3989,uid=101 [ 202.163416][ T3989] Out of memory (oom_kill_allocating_task): Killed process 3989 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:52kB oom_score_adj:0 [ 202.499897][ T3927] crond invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 202.596596][ T3927] CPU: 0 PID: 3927 Comm: crond Not tainted syzkaller #0 [ 202.603586][ T3927] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 202.613654][ T3927] Call Trace: [ 202.616951][ T3927] [ 202.619897][ T3927] dump_stack_lvl+0x168/0x230 [ 202.624642][ T3927] ? show_regs_print_info+0x20/0x20 [ 202.629852][ T3927] ? load_image+0x3b0/0x3b0 [ 202.634377][ T3927] ? local_lock_release+0x170/0x170 [ 202.639591][ T3927] ? __rwlock_init+0x140/0x140 [ 202.644370][ T3927] dump_header+0xd4/0x770 [ 202.648722][ T3927] oom_kill_process+0x20e/0x3d0 [ 202.653595][ T3927] out_of_memory+0xf5f/0x11e0 [ 202.658305][ T3927] ? __alloc_pages+0x470/0x470 [ 202.663085][ T3927] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 202.669342][ T3927] ? unregister_oom_notifier+0x20/0x20 [ 202.674828][ T3927] __alloc_pages_slowpath+0x1d07/0x2790 [ 202.680413][ T3927] ? get_page_from_freelist+0x1c60/0x1c60 [ 202.686150][ T3927] ? prepare_alloc_pages+0x368/0x5f0 [ 202.691458][ T3927] __alloc_pages+0x332/0x470 [ 202.696062][ T3927] ? zone_statistics+0x170/0x170 [ 202.701020][ T3927] ? __lock_acquire+0x7c60/0x7c60 [ 202.706060][ T3927] ? __rwlock_init+0x140/0x140 [ 202.710858][ T3927] alloc_pages_vma+0x393/0x7c0 [ 202.715638][ T3927] ? __swp_swapcount+0xf5/0x120 [ 202.720508][ T3927] __read_swap_cache_async+0x1b5/0xa70 [ 202.726020][ T3927] swap_cluster_readahead+0x6a2/0x7c0 [ 202.731425][ T3927] ? read_swap_cache_async+0x90/0x90 [ 202.736752][ T3927] swapin_readahead+0xf3/0xaa0 [ 202.741534][ T3927] ? rcu_lock_release+0x5/0x20 [ 202.746334][ T3927] ? __lock_acquire+0x7c60/0x7c60 [ 202.751371][ T3927] ? exit_swap_address_space+0x280/0x280 [ 202.757019][ T3927] ? put_swap_device+0x15c/0x200 [ 202.761972][ T3927] ? lookup_swap_cache+0x135/0x440 [ 202.767095][ T3927] ? get_swap_device+0x21b/0x360 [ 202.772049][ T3927] do_swap_page+0x4b6/0x1f40 [ 202.776647][ T3927] ? count_memcg_event_mm+0x311/0x360 [ 202.782040][ T3927] handle_mm_fault+0x1ada/0x43c0 [ 202.786995][ T3927] ? get_page+0xe0/0xe0 [ 202.791167][ T3927] ? vmacache_find+0x4e3/0x590 [ 202.795943][ T3927] ? vmacache_update+0xa0/0x100 [ 202.800802][ T3927] ? find_vma+0x1df/0x230 [ 202.805146][ T3927] do_user_addr_fault+0x489/0xc80 [ 202.810188][ T3927] exc_page_fault+0x60/0x100 [ 202.814781][ T3927] ? __might_fault+0xb7/0x110 [ 202.819471][ T3927] asm_exc_page_fault+0x22/0x30 [ 202.824340][ T3927] RIP: 0010:__get_user_8+0x18/0x30 [ 202.829465][ T3927] Code: 31 c0 0f 01 ca c3 90 90 90 90 90 90 90 90 90 90 90 90 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 64 48 19 d2 48 21 d0 0f 01 cb <48> 8b 10 31 c0 0f 01 ca c3 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 202.849084][ T3927] RSP: 0000:ffffc90002e0fd98 EFLAGS: 00050206 [ 202.855166][ T3927] RAX: 00007f32da397ae8 RBX: ffff88802bfe9578 RCX: f07a87d64e110e00 [ 202.863146][ T3927] RDX: ffffffffffffffff RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a480 [ 202.871126][ T3927] RBP: ffffc90002e0fec0 R08: dffffc0000000000 R09: fffffbfff1ad323e [ 202.879109][ T3927] R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: ffffc90002e0ffd8 [ 202.887204][ T3927] R13: dffffc0000000000 R14: 00007f32da397ae8 R15: ffff88802bfe8000 [ 202.895214][ T3927] __rseq_handle_notify_resume+0x12c/0xf50 [ 202.901053][ T3927] ? __remove_hrtimer+0x3a0/0x3a0 [ 202.906115][ T3927] ? __bpf_trace_rseq_ip_fixup+0x40/0x40 [ 202.912209][ T3927] ? __unlock_page_memcg+0x100/0x100 [ 202.917521][ T3927] ? __se_sys_clock_nanosleep+0x2e6/0x370 [ 202.923263][ T3927] ? blkcg_maybe_throttle_current+0x112/0x6e0 [ 202.929359][ T3927] exit_to_user_mode_loop+0xe5/0x130 [ 202.934682][ T3927] exit_to_user_mode_prepare+0xee/0x180 [ 202.940256][ T3927] syscall_exit_to_user_mode+0x16/0x40 [ 202.945738][ T3927] do_syscall_64+0x58/0xa0 [ 202.950163][ T3927] ? clear_bhb_loop+0x30/0x80 [ 202.954853][ T3927] ? clear_bhb_loop+0x30/0x80 [ 202.959547][ T3927] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 202.965451][ T3927] RIP: 0033:0x7f32da4e7407 [ 202.969973][ T3927] Code: Unable to access opcode bytes at RIP 0x7f32da4e73dd. [ 202.977340][ T3927] RSP: 002b:00007ffdae9106a0 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 [ 202.985762][ T3927] RAX: 0000000000000000 RBX: 00007f32da397c80 RCX: 00007f32da4e7407 [ 202.993835][ T3927] RDX: 00007ffdae9106e0 RSI: 0000000000000000 RDI: 0000000000000000 [ 203.001815][ T3927] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 203.009789][ T3927] R10: 00007ffdae9106e0 R11: 0000000000000202 R12: 0000000000000000 [ 203.017768][ T3927] R13: 000000000000003c R14: 0000000000000000 R15: 000000000000003b [ 203.025869][ T3927] [ 203.867840][ T3927] Mem-Info: [ 203.871022][ T3927] active_anon:0 inactive_anon:0 isolated_anon:0 [ 203.871022][ T3927] active_file:109 inactive_file:9 isolated_file:4 [ 203.871022][ T3927] unevictable:768 dirty:0 writeback:0 [ 203.871022][ T3927] slab_reclaimable:16030 slab_unreclaimable:106418 [ 203.871022][ T3927] mapped:1 shmem:768 pagetables:408 bounce:0 [ 203.871022][ T3927] kernel_misc_reclaimable:0 [ 203.871022][ T3927] free:10493 free_pcp:298 free_cma:0 [ 203.914460][ T3927] Node 0 active_anon:0kB inactive_anon:0kB active_file:264kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):16kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12144kB pagetables:1620kB all_unreclaimable? no [ 203.944839][ T3927] Node 1 active_anon:0kB inactive_anon:0kB active_file:172kB inactive_file:76kB 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:496kB pagetables:12kB all_unreclaimable? yes [ 203.974255][ T3927] 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 [ 204.043412][ T3927] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 204.055848][ T3927] Node 0 DMA32 free:11528kB min:34800kB low:43500kB high:52200kB reserved_highatomic:18432KB active_anon:0kB inactive_anon:0kB active_file:176kB inactive_file:0kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 204.099767][ T3927] lowmem_reserve[]: 0 0 0 0 0 [ 204.104545][ T3927] 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 [ 204.151294][ T3927] lowmem_reserve[]: 0 0 0 0 0 [ 204.156165][ T3927] Node 1 Normal free:20612kB min:57136kB low:70908kB high:84680kB reserved_highatomic:20480KB active_anon:0kB inactive_anon:0kB active_file:172kB inactive_file:76kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 204.185898][ T3927] lowmem_reserve[]: 0 0 0 0 0 [ 204.190822][ T3927] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 204.212291][ T3927] Node 0 DMA32: 146*4kB (UME) 149*8kB (UME) 82*16kB (UME) 139*32kB (UME) 42*64kB (UME) 10*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 11504kB [ 204.228130][ T3927] 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 [ 204.240487][ T3927] Node 1 Normal: 21*4kB (UME) 18*8kB (UM) 20*16kB (UME) 50*32kB (UME) 28*64kB (ME) 23*128kB (UME) 14*256kB (UM) 8*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 20708kB [ 204.257385][ T3927] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 204.267016][ T3927] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 204.278519][ T28] oom_reaper: reaped process 3989 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 204.289323][ T3927] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 204.298969][ T3927] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 204.308638][ T3927] 861 total pagecache pages [ 204.313205][ T3927] 0 pages in swap cache [ 204.317364][ T3927] Swap cache stats: add 39694, delete 39694, find 134/384 [ 204.326007][ T3927] Free swap = 98044kB [ 204.348152][ T3927] Total swap = 124996kB [ 204.352344][ T3927] 2097051 pages RAM [ 204.367526][ T3927] 0 pages HighMem/MovableOnly [ 204.372232][ T3927] 410816 pages reserved [ 204.376395][ T3927] 0 pages cma reserved [ 204.474460][ T3927] Unreclaimable slab info: [ 204.517535][ T3927] Name Used Total [ 204.523827][ T3927] pid_2 22KB 22KB [ 204.572111][ T3927] bio-320 7KB 7KB [ 204.637570][ T3927] zswap_entry 3339KB 3340KB [ 204.643705][ T3927] batadv_tt_change_cache 8KB 8KB [ 204.711539][ T3927] batadv_tl_cache 8KB 8KB [ 204.756473][ T3927] TIPC 63KB 63KB [ 204.777558][ T3927] SCTPv6 63KB 63KB [ 204.783697][ T3927] DCCPv6 59KB 59KB [ 204.848131][ T3927] DCCP 61KB 61KB [ 204.854303][ T3927] RXRPC 61KB 61KB [ 204.898457][ T3927] rxrpc_call_jar 204KB 267KB [ 204.905396][ T3927] bridge_fdb_cache 19KB 19KB [ 204.937546][ T3927] MPTCPv6 30KB 30KB [ 204.943771][ T3927] fib6_nodes 228KB 228KB [ 204.997515][ T3927] ip6_dst_cache 258KB 521KB [ 205.004320][ T3927] RAWv6 338KB 338KB [ 205.087543][ T3927] UDPv6 128KB 128KB [ 205.093678][ T3927] TCPv6 63KB 63KB [ 205.107566][ T4335] slab_out_of_memory: 4191 callbacks suppressed [ 205.107585][ T4335] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 205.122960][ T4335] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 205.127793][ T4403] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 205.133080][ T4335] node 0: slabs: 912, objs: 14578, free: 0 [ 205.141067][ T4403] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 205.147045][ T4335] node 1: slabs: 412, objs: 5150, free: 60 [ 205.157583][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 205.157696][ T4403] node 0: slabs: 4124, objs: 49488, free: 0 [ 205.157699][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 205.157716][ T4403] node 1: slabs: 886, objs: 10632, free: 9 [ 205.157735][ C1] node 0: slabs: 4124, objs: 49488, free: 0 [ 205.157752][ C1] node 1: slabs: 886, objs: 10632, free: 9 [ 205.157752][ T4403] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 205.157770][ T4403] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 205.157790][ T4403] node 0: slabs: 4124, objs: 49488, free: 0 [ 205.157807][ T4403] node 1: slabs: 886, objs: 10632, free: 9 [ 205.157896][ T4240] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 205.165282][ T4334] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 205.171988][ T4240] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 205.178106][ T4334] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 205.188669][ T4240] node 0: slabs: 912, objs: 14578, free: 0 [ 205.194603][ T4334] node 0: slabs: 912, objs: 14578, free: 0 [ 205.200714][ T4240] node 1: slabs: 412, objs: 5150, free: 60 [ 205.207592][ T4334] node 1: slabs: 412, objs: 5150, free: 60 [ 205.215424][ T9] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 205.247663][ T4411] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 205.255767][ T9] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 205.265841][ T4411] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 205.275899][ T9] node 0: slabs: 912, objs: 14578, free: 0 [ 205.281900][ T4411] node 0: slabs: 912, objs: 14578, free: 0 [ 205.287889][ T9] node 1: slabs: 412, objs: 5150, free: 60 [ 205.293849][ T4411] node 1: slabs: 412, objs: 5150, free: 60 [ 205.300152][ T154] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 205.309034][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 205.309050][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 205.309065][ C1] node 0: slabs: 4128, objs: 49536, free: 0 [ 205.309078][ C1] node 1: slabs: 886, objs: 10632, free: 9 [ 205.367569][ T3927] nf_conntrack 39KB 39KB [ 205.371783][ T154] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 205.418728][ T154] node 0: slabs: 912, objs: 14578, free: 464 [ 205.424957][ T154] node 1: slabs: 412, objs: 5150, free: 64 [ 205.487571][ T3927] wg_peer 152KB 152KB [ 205.493702][ T3927] allowedips_node 19KB 19KB [ 205.587702][ T3927] t10_alua_lu_gp_cache 3KB 3KB [ 205.594089][ T3927] sd_ext_cdb 3KB 3KB [ 205.647506][ T3927] scsi_sense_cache 1092KB 1092KB [ 205.653633][ T3927] virtio_scsi_cmd 16KB 16KB [ 205.777503][ T3927] bio-136 84KB 84KB [ 205.783650][ T3927] sgpool-128 29KB 29KB [ 205.857520][ T3927] sgpool-64 63KB 63KB [ 205.863639][ T3927] sgpool-32 283KB 283KB [ 205.957567][ T3927] sgpool-16 97KB 97KB [ 205.963700][ T3927] sgpool-8 90KB 90KB [ 206.007567][ T3927] bio-224 3KB 3KB [ 206.013813][ T3927] mqueue_inode_cache 60KB 60KB [ 206.058228][ T3927] f2fs_bio_post_read_ctx 16KB 16KB [ 206.064872][ T3927] jfs_mp 7KB 7KB [ 206.097553][ T3927] cifs_small_rq 16KB 16KB [ 206.103818][ T3927] cifs_request 67KB 67KB [ 206.157508][ T3927] cifs_mpx_ids 4KB 4KB [ 206.163669][ T3927] nfs_commit_data 15KB 15KB [ 206.236831][ T3927] nfs_write_data 47KB 47KB [ 206.277638][ T3927] jbd2_inode 7KB 7KB [ 206.283760][ T3927] ext4_system_zone 3KB 3KB [ 206.311822][ T3927] ext4_io_end_vec 7KB 7KB [ 206.327493][ T3927] ext4_bio_post_read_ctx 15KB 15KB [ 206.338254][ T3927] pid_namespace 7KB 7KB [ 206.344396][ T3927] rpc_buffers 31KB 31KB [ 206.468234][ T3927] rpc_tasks 3KB 3KB [ 206.474357][ T3927] UNIX-STREAM 288KB 288KB [ 206.527031][ T3927] UNIX 278KB 352KB [ 206.537981][ T3927] MPTCP 31KB 31KB [ 206.544087][ T3927] request_sock_subflow_v4 7KB 7KB [ 206.657528][ T3927] tcp_bind_bucket 8KB 8KB [ 206.663674][ T3927] ip_fib_trie 36KB 36KB [ 206.743817][ T3927] ip_fib_alias 122KB 122KB [ 206.797522][ T3927] ip_dst_cache 24KB 24KB [ 206.803742][ T3927] RAW 123KB 123KB [ 206.868457][ T3927] UDP 154KB 154KB [ 206.874600][ T3927] request_sock_TCP 15KB 15KB [ 206.967532][ T3927] TCP 60KB 60KB [ 206.973666][ T3927] hugetlbfs_inode_cache 30KB 30KB [ 207.077607][ T3927] fscache_cookie_jar 15KB 15KB [ 207.083846][ T3927] bio-256 11KB 11KB [ 207.207512][ T3927] ep_head 16KB 16KB [ 207.213652][ T3927] eventpoll_pwq 43KB 43KB [ 207.277576][ T3927] eventpoll_epi 74KB 74KB [ 207.283698][ T3927] inotify_inode_mark 19KB 19KB [ 207.347502][ T3927] bio_crypt_ctx 7KB 7KB [ 207.353624][ T3927] request_queue 388KB 541KB [ 207.526108][ T3927] blkdev_ioc 22KB 22KB [ 207.566904][ T3927] bio-200 245KB 266KB [ 207.614199][ T3927] biovec-max 348KB 416KB [ 207.657532][ T3927] biovec-64 356KB 425KB [ 207.663656][ T3927] biovec-16 82KB 82KB [ 207.774438][ T3927] bio_integrity_payload 7KB 7KB [ 207.806047][ T3927] user_namespace 15KB 15KB [ 207.858748][ T3927] uid_cache 7KB 7KB [ 207.864873][ T3927] dmaengine-unmap-256 30KB 30KB [ 207.927549][ T3927] dmaengine-unmap-128 15KB 15KB [ 207.933849][ T3927] dmaengine-unmap-16 4KB 4KB [ 208.028485][ T3927] dmaengine-unmap-2 4KB 4KB [ 208.034613][ T3927] QIPCRTR 31KB 31KB [ 208.133610][ T3927] audit_buffer 3KB 3KB [ 208.169088][ T3927] skbuff_ext_cache 56KB 56KB [ 208.175216][ T3927] skbuff_fclone_cache 82KB 120KB [ 208.277533][ T3927] skbuff_head_cache 19006KB 19012KB [ 208.325757][ T3927] configfs_dir_cache 8KB 8KB [ 208.382353][ T3927] file_lock_cache 74KB 74KB [ 208.421695][ T3927] file_lock_ctx 15KB 15KB [ 208.447541][ T3927] fsnotify_mark_connector 16KB 16KB [ 208.454266][ T3927] taskstats 15KB 15KB [ 208.472163][ T3927] proc_dir_entry 1163KB 1166KB [ 208.478446][ T3927] pde_opener 15KB 15KB [ 208.485757][ T3927] seq_file 105KB 120KB [ 208.492030][ T3927] sigqueue 102KB 122KB [ 208.498183][ T3927] shmem_inode_cache 7210KB 7307KB [ 208.504263][ T3927] kernfs_iattrs_cache 7KB 7KB [ 208.510760][ T3927] kernfs_node_cache 31151KB 31182KB [ 208.517007][ T3927] mnt_cache 157KB 189KB [ 208.523151][ T3927] filp 350KB 930KB [ 208.529319][ T3927] names_cache 1164KB 1343KB [ 208.535404][ T3927] net_namespace 132KB 185KB [ 208.551933][ T3927] iint_cache 45KB 45KB [ 208.558101][ T3927] lsm_inode_cache 1791KB 1964KB [ 208.564283][ T3927] lsm_file_cache 98KB 334KB [ 208.570398][ T3927] key_jar 15KB 15KB [ 208.576481][ T3927] uts_namespace 15KB 15KB [ 208.584791][ T3927] nsproxy 15KB 15KB [ 208.606221][ T3927] vm_area_struct 464KB 591KB [ 208.613731][ T3927] fs_cache 62KB 84KB [ 208.626378][ T3927] files_cache 221KB 350KB [ 208.640257][ T3927] signal_cache 737KB 1976KB [ 208.646487][ T3927] sighand_cache 992KB 992KB [ 208.661659][ T3927] task_struct 3279KB 4075KB [ 208.687618][ T3927] cred_jar 169KB 423KB [ 208.695223][ T3927] anon_vma_chain 247KB 334KB [ 208.703472][ T3927] anon_vma 215KB 215KB [ 208.709598][ T3927] pid 146KB 345KB [ 208.715692][ T3927] Acpi-Operand 207KB 245KB [ 208.721804][ T3927] Acpi-ParseExt 23KB 23KB [ 208.728044][ T3927] Acpi-Parse 126KB 126KB [ 208.734126][ T3927] Acpi-State 196KB 232KB [ 208.740233][ T3927] Acpi-Namespace 32KB 32KB [ 208.746324][ T3927] numa_policy 3KB 3KB [ 208.754346][ T3927] perf_event 31KB 31KB [ 208.760606][ T3927] trace_event_file 432KB 432KB [ 208.766693][ T3927] ftrace_event_field 548KB 548KB [ 208.772896][ T3927] pool_workqueue 256KB 260KB [ 208.787533][ T3927] task_group 30KB 30KB [ 208.795561][ T3927] mm_struct 164KB 535KB [ 208.812998][ T3927] vmap_area 347KB 354KB [ 208.824002][ T3927] debug_objects_cache 1804KB 1972KB [ 208.836423][ T3927] page->ptl 154KB 228KB [ 208.857561][ T3927] kmalloc-cg-8k 2080KB 2080KB [ 208.863672][ T3927] kmalloc-cg-4k 5232KB 5264KB [ 208.907597][ T3927] kmalloc-cg-2k 1228KB 1252KB [ 208.913740][ T3927] kmalloc-cg-1k 842KB 960KB [ 209.017564][ T3927] kmalloc-cg-512 1685KB 2144KB [ 209.023694][ T3927] kmalloc-cg-256 40KB 40KB [ 209.081120][ T3927] kmalloc-cg-192 152KB 152KB [ 209.087239][ T3927] kmalloc-cg-128 124KB 124KB [ 209.136510][ T3927] kmalloc-cg-96 16KB 16KB [ 209.178590][ T3927] kmalloc-cg-64 16KB 16KB [ 209.184713][ T3927] kmalloc-cg-32 20KB 20KB [ 209.253505][ T3927] kmalloc-cg-16 70KB 168KB [ 209.290600][ T3927] kmalloc-cg-8 23KB 23KB [ 209.296732][ T3927] kmalloc-8k 10448KB 10624KB [ 209.357159][ T3927] kmalloc-4k 161792KB 161904KB [ 209.363515][ T3927] kmalloc-2k 25812KB 29568KB [ 209.369620][ T3927] kmalloc-1k 40096KB 40224KB [ 209.375786][ T3927] kmalloc-512 28304KB 28324KB [ 209.381904][ T3927] kmalloc-256 5257KB 5280KB [ 209.388746][ T3927] kmalloc-192 1119KB 1672KB [ 209.394848][ T3927] kmalloc-128 1644KB 1704KB [ 209.400990][ T3927] kmalloc-96 1411KB 1420KB [ 209.409131][ T3927] kmalloc-64 3169KB 3908KB [ 209.415241][ T3927] kmalloc-32 688KB 780KB [ 209.421385][ T3927] kmalloc-16 273KB 340KB [ 209.427490][ T3927] kmalloc-8 557KB 605KB [ 209.433565][ T3927] kmem_cache_node 203KB 204KB [ 209.439709][ T3927] kmem_cache 172KB 172KB [ 209.445781][ T3927] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=crond,pid=3927,uid=0 [ 209.471384][ T3927] Out of memory (oom_kill_allocating_task): Killed process 3927 (crond) total-vm:4036kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:48kB oom_score_adj:0 [ 209.655774][ T3990] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 209.713947][ T3990] CPU: 1 PID: 3990 Comm: dhcpcd Not tainted syzkaller #0 [ 209.721025][ T3990] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 209.731102][ T3990] Call Trace: [ 209.734394][ T3990] [ 209.737335][ T3990] dump_stack_lvl+0x168/0x230 [ 209.742044][ T3990] ? show_regs_print_info+0x20/0x20 [ 209.747264][ T3990] ? load_image+0x3b0/0x3b0 [ 209.751804][ T3990] ? local_lock_release+0x170/0x170 [ 209.757021][ T3990] ? __rwlock_init+0x140/0x140 [ 209.761912][ T3990] dump_header+0xd4/0x770 [ 209.766268][ T3990] oom_kill_process+0x20e/0x3d0 [ 209.771148][ T3990] out_of_memory+0xf5f/0x11e0 [ 209.775854][ T3990] ? __alloc_pages+0x470/0x470 [ 209.780633][ T3990] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 209.786900][ T3990] ? unregister_oom_notifier+0x20/0x20 [ 209.792389][ T3990] __alloc_pages_slowpath+0x1d07/0x2790 [ 209.797995][ T3990] ? get_page_from_freelist+0x1c60/0x1c60 [ 209.803751][ T3990] ? prepare_alloc_pages+0x368/0x5f0 [ 209.809064][ T3990] __alloc_pages+0x332/0x470 [ 209.813685][ T3990] ? zone_statistics+0x170/0x170 [ 209.818652][ T3990] ? __lock_acquire+0x7c60/0x7c60 [ 209.823700][ T3990] ? __rwlock_init+0x140/0x140 [ 209.828485][ T3990] alloc_pages_vma+0x393/0x7c0 [ 209.833287][ T3990] ? __swp_swapcount+0xf5/0x120 [ 209.838159][ T3990] __read_swap_cache_async+0x1b5/0xa70 [ 209.843653][ T3990] swap_cluster_readahead+0x6a2/0x7c0 [ 209.849050][ T3990] ? read_swap_cache_async+0x90/0x90 [ 209.854371][ T3990] swapin_readahead+0xf3/0xaa0 [ 209.859149][ T3990] ? rcu_lock_release+0x5/0x20 [ 209.863910][ T3990] ? __lock_acquire+0x7c60/0x7c60 [ 209.868939][ T3990] ? exit_swap_address_space+0x280/0x280 [ 209.874632][ T3990] ? put_swap_device+0x15c/0x200 [ 209.879569][ T3990] ? lookup_swap_cache+0x135/0x440 [ 209.884676][ T3990] ? get_swap_device+0x21b/0x360 [ 209.889614][ T3990] do_swap_page+0x4b6/0x1f40 [ 209.894214][ T3990] ? count_memcg_event_mm+0x311/0x360 [ 209.899614][ T3990] handle_mm_fault+0x1ada/0x43c0 [ 209.904552][ T3990] ? get_page+0xe0/0xe0 [ 209.908719][ T3990] ? vmacache_find+0x238/0x590 [ 209.913497][ T3990] ? find_vma+0xd2/0x230 [ 209.917746][ T3990] do_user_addr_fault+0x489/0xc80 [ 209.922795][ T3990] exc_page_fault+0x60/0x100 [ 209.927378][ T3990] asm_exc_page_fault+0x22/0x30 [ 209.932215][ T3990] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 209.937507][ T3990] 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 04 c2 ab ff 49 ff c7 49 83 c6 [ 209.957134][ T3990] RSP: 0000:ffffc90002dbf880 EFLAGS: 00050246 [ 209.963226][ T3990] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff888023368000 [ 209.971226][ T3990] RDX: 000055fe462bfdd6 RSI: ffffc90002dbfc90 RDI: 0000000000000000 [ 209.979221][ T3990] RBP: ffffc90002dbfe30 R08: dffffc0000000000 R09: ffffed1005418ae0 [ 209.987212][ T3990] R10: ffffed1005418ae0 R11: 1ffff11005418adf R12: dffffc0000000000 [ 209.995204][ T3990] R13: 000055fe462bfde0 R14: ffffc90002dbfca2 R15: 0000000000000000 [ 210.003215][ T3990] ? do_sys_poll+0x6a1/0x1100 [ 210.007924][ T3990] ? poll_select_finish+0x5e0/0x5e0 [ 210.013163][ T3990] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 210.019427][ T3990] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 210.025782][ T3990] ? set_user_sigmask+0x157/0x1b0 [ 210.030837][ T3990] ? sigprocmask+0x190/0x190 [ 210.035445][ T3990] ? __lock_acquire+0x7c60/0x7c60 [ 210.040612][ T3990] __se_sys_ppoll+0x1fc/0x260 [ 210.045404][ T3990] ? __x64_sys_ppoll+0xc0/0xc0 [ 210.050193][ T3990] ? __x64_sys_ppoll+0x1c/0xc0 [ 210.054988][ T3990] do_syscall_64+0x4c/0xa0 [ 210.059406][ T3990] ? clear_bhb_loop+0x30/0x80 [ 210.064101][ T3990] ? clear_bhb_loop+0x30/0x80 [ 210.068785][ T3990] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 210.074694][ T3990] RIP: 0033:0x7f0def012407 [ 210.079126][ T3990] Code: Unable to access opcode bytes at RIP 0x7f0def0123dd. [ 210.086477][ T3990] RSP: 002b:00007ffc7ce0d560 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 210.094874][ T3990] RAX: ffffffffffffffda RBX: 00007f0deef88740 RCX: 00007f0def012407 [ 210.102832][ T3990] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055fe462bfdd0 [ 210.110794][ T3990] RBP: 00007ffc7ce0d8a0 R08: 0000000000000008 R09: 0000000000000000 [ 210.118779][ T3990] R10: 00007ffc7ce0d8a0 R11: 0000000000000202 R12: 000055fe1c17a5e0 [ 210.126765][ T3990] R13: 000055fe462b2df0 R14: 0000000000000000 R15: 00007ffc7ce0d650 [ 210.134758][ T3990] [ 210.148190][ T3990] Mem-Info: [ 210.151342][ T3990] active_anon:0 inactive_anon:0 isolated_anon:0 [ 210.151342][ T3990] active_file:28 inactive_file:51 isolated_file:5 [ 210.151342][ T3990] unevictable:768 dirty:0 writeback:0 [ 210.151342][ T3990] slab_reclaimable:16014 slab_unreclaimable:104907 [ 210.151342][ T3990] mapped:1 shmem:768 pagetables:388 bounce:0 [ 210.151342][ T3990] kernel_misc_reclaimable:0 [ 210.151342][ T3990] free:12008 free_pcp:0 free_cma:0 [ 210.191254][ T3990] Node 0 active_anon:0kB inactive_anon:0kB active_file:164kB inactive_file:48kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12112kB pagetables:1540kB all_unreclaimable? no [ 210.229801][ T3990] 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:496kB pagetables:12kB all_unreclaimable? no [ 210.316266][ T3990] 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 [ 210.354198][ T3990] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 210.362672][ T3990] Node 0 DMA32 free:14404kB min:34800kB low:43500kB high:52200kB reserved_highatomic:28672KB active_anon:0kB inactive_anon:0kB active_file:296kB inactive_file:0kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:1072kB local_pcp:620kB free_cma:0kB [ 210.402096][ T3990] lowmem_reserve[]: 0 0 0 0 0 [ 210.406852][ T3990] 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 [ 210.556488][ T3990] lowmem_reserve[]: 0 0 0 0 0 [ 210.568554][ T3990] Node 1 Normal free:22208kB min:55088kB low:68860kB high:82632kB reserved_highatomic:20480KB active_anon:0kB inactive_anon:0kB active_file:132kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 210.727540][ T3990] lowmem_reserve[]: 0 0 0 0 0 [ 210.732311][ T3990] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 210.787547][ T3990] Node 0 DMA32: 123*4kB (ME) 104*8kB (UME) 62*16kB (UME) 233*32kB (UME) 45*64kB (UME) 9*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13804kB [ 210.923242][ T3990] 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 [ 210.972698][ T3990] Node 1 Normal: 24*4kB (UME) 16*8kB (UM) 22*16kB (UME) 54*32kB (UME) 53*64kB (UME) 21*128kB (UME) 14*256kB (UM) 8*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 22208kB [ 211.106190][ T3990] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 211.176844][ T3990] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 211.234761][ T3990] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 211.307340][ T3990] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 211.327237][ T3990] 861 total pagecache pages [ 211.331856][ T3990] 0 pages in swap cache [ 211.336022][ T3990] Swap cache stats: add 39694, delete 39694, find 134/384 [ 211.343296][ T3990] Free swap = 98044kB [ 211.347389][ T3990] Total swap = 124996kB [ 211.365538][ T3990] 2097051 pages RAM [ 211.372754][ T3990] 0 pages HighMem/MovableOnly [ 211.377512][ T3990] 410816 pages reserved [ 211.381677][ T3990] 0 pages cma reserved [ 211.385758][ T3990] Unreclaimable slab info: [ 211.400869][ T3990] Name Used Total [ 211.407146][ T3990] pid_2 22KB 22KB [ 211.420230][ T3990] bio-320 7KB 7KB [ 211.426351][ T3990] zswap_entry 3339KB 3340KB [ 211.507599][ T3990] batadv_tt_change_cache 8KB 8KB [ 211.514163][ T3990] batadv_tl_cache 8KB 8KB [ 211.579110][ T3990] TIPC 63KB 63KB [ 211.585257][ T3990] SCTPv6 63KB 63KB [ 211.629301][ T28] oom_reaper: reaped process 3927 (crond), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 211.675424][ T3990] DCCPv6 59KB 59KB [ 211.704941][ T3990] DCCP 61KB 61KB [ 211.730044][ T3990] RXRPC 61KB 61KB [ 211.736244][ T3990] rxrpc_call_jar 204KB 267KB [ 211.752928][ T3990] bridge_fdb_cache 19KB 19KB [ 211.777183][ T3990] MPTCPv6 30KB 30KB [ 211.807536][ T3990] fib6_nodes 228KB 228KB [ 211.813753][ T3990] ip6_dst_cache 258KB 521KB [ 211.906246][ T3990] RAWv6 338KB 338KB [ 211.926268][ T3990] UDPv6 128KB 128KB [ 211.942077][ T3990] TCPv6 63KB 63KB [ 211.966784][ T3990] nf_conntrack 39KB 39KB [ 212.019153][ T3990] wg_peer 152KB 152KB [ 212.025271][ T3990] allowedips_node 19KB 19KB [ 212.097588][ T3990] t10_alua_lu_gp_cache 3KB 3KB [ 212.103974][ T3990] sd_ext_cdb 3KB 3KB [ 212.197756][ T3990] scsi_sense_cache 1092KB 1092KB [ 212.203976][ T3990] virtio_scsi_cmd 16KB 16KB [ 212.258346][ T3990] bio-136 84KB 84KB [ 212.264495][ T3990] sgpool-128 29KB 29KB [ 212.306324][ T3990] sgpool-64 63KB 63KB [ 212.347058][ T3990] sgpool-32 283KB 283KB [ 212.385088][ T3990] sgpool-16 97KB 97KB [ 212.429754][ T3990] sgpool-8 90KB 90KB [ 212.435979][ T3990] bio-224 3KB 3KB [ 212.504817][ T3990] mqueue_inode_cache 60KB 60KB [ 212.553668][ T3990] f2fs_bio_post_read_ctx 16KB 16KB [ 212.589582][ T3990] jfs_mp 7KB 7KB [ 212.595789][ T3990] cifs_small_rq 16KB 16KB [ 212.672371][ T3990] cifs_request 67KB 67KB [ 212.717734][ T3990] cifs_mpx_ids 4KB 4KB [ 212.723967][ T3990] nfs_commit_data 15KB 15KB [ 212.737694][ T13] warn_alloc: 4301 callbacks suppressed [ 212.737708][ T13] kworker/0:1: page allocation failure: order:0, mode:0xa20(GFP_ATOMIC), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 212.755805][ T13] CPU: 0 PID: 13 Comm: kworker/0:1 Not tainted syzkaller #0 [ 212.763110][ T13] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 212.773278][ T13] Workqueue: events nsim_dev_trap_report_work [ 212.779376][ T13] Call Trace: [ 212.782668][ T13] [ 212.785611][ T13] dump_stack_lvl+0x168/0x230 [ 212.790317][ T13] ? rcu_lock_release+0x5/0x20 [ 212.794018][ T3990] nfs_write_data 47KB 47KB [ 212.795098][ T13] ? show_regs_print_info+0x20/0x20 [ 212.806354][ T13] ? load_image+0x3b0/0x3b0 [ 212.808023][ T4287] slab_out_of_memory: 91 callbacks suppressed [ 212.808039][ T4287] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 212.810882][ T13] warn_alloc+0x20e/0x2f0 [ 212.816934][ T4287] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 212.824902][ T13] ? seqcount_lockdep_reader_access+0xc7/0x170 [ 212.824931][ T13] ? zone_watermark_ok_safe+0x240/0x240 [ 212.829282][ T4287] node 0: slabs: 4590, objs: 55080, free: 0 [ 212.839754][ T13] ? __cpuset_node_allowed+0x99/0x540 [ 212.839782][ T13] ? wakeup_kswapd+0x46b/0x7a0 [ 212.845919][ T4287] node 1: slabs: 916, objs: 10992, free: 19 [ 212.851545][ T13] __alloc_pages_slowpath+0x273b/0x2790 [ 212.851610][ T13] ? get_page_from_freelist+0x1c60/0x1c60 [ 212.857717][ C1] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 212.863017][ T13] ? __alloc_pages+0x470/0x470 [ 212.863045][ T13] ? prepare_alloc_pages+0x368/0x5f0 [ 212.868173][ C1] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 212.874216][ T13] __alloc_pages+0x332/0x470 [ 212.879777][ C1] node 0: slabs: 4590, objs: 55080, free: 0 [ 212.885553][ T13] ? zone_statistics+0x170/0x170 [ 212.893538][ C1] node 1: slabs: 916, objs: 10992, free: 19 [ 212.898280][ T13] ? alloc_pages+0x438/0x550 [ 212.903665][ T4287] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 212.914061][ T13] new_slab+0x2e6/0x4b0 [ 212.914093][ T13] ? kmem_cache_alloc_node+0x1c3/0x2d0 [ 212.918700][ T4287] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 212.924943][ T13] ___slab_alloc+0x81e/0xdf0 [ 212.929939][ T4287] node 0: slabs: 4590, objs: 55080, free: 0 [ 212.935954][ T13] ? __alloc_skb+0xf4/0x750 [ 212.940573][ T4287] node 1: slabs: 916, objs: 10992, free: 19 [ 212.948517][ T13] kmem_cache_alloc_node+0x1c3/0x2d0 [ 212.948543][ T13] ? __alloc_skb+0xf4/0x750 [ 212.952720][ T4287] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 212.958139][ T13] __alloc_skb+0xf4/0x750 [ 212.958168][ T13] nsim_dev_trap_report_work+0x2a1/0xb40 [ 212.968686][ T4287] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 212.973276][ T13] ? read_lock_is_recursive+0x10/0x10 [ 212.979349][ T4287] node 0: slabs: 4590, objs: 55080, free: 0 [ 212.983830][ T13] ? _raw_spin_unlock_irq+0x1f/0x40 [ 212.989909][ T4287] node 1: slabs: 916, objs: 10992, free: 19 [ 212.995166][ T13] process_one_work+0x863/0x1000 [ 212.999711][ T4287] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 213.007641][ T13] ? worker_detach_from_pool+0x240/0x240 [ 213.007666][ T13] ? lockdep_hardirqs_off+0x70/0x100 [ 213.011977][ T4287] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 213.017612][ T13] ? _raw_spin_lock_irq+0xab/0xe0 [ 213.017638][ T13] ? _raw_spin_lock_irqsave+0xf0/0xf0 [ 213.028140][ T4287] node 0: slabs: 4590, objs: 55080, free: 0 [ 213.033492][ T13] ? wq_worker_running+0x97/0x170 [ 213.039657][ T4287] node 1: slabs: 916, objs: 10992, free: 19 [ 213.045259][ T13] worker_thread+0xaa8/0x12a0 [ 213.078035][ T9] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 213.085642][ T13] kthread+0x436/0x520 [ 213.090658][ T9] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 213.095993][ T13] ? rcu_lock_release+0x20/0x20 [ 213.096015][ T13] ? kthread_blkcg+0xd0/0xd0 [ 213.096036][ T13] ret_from_fork+0x1f/0x30 [ 213.096071][ T13] [ 213.097199][ C0] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 213.103165][ T9] node 0: slabs: 975, objs: 15586, free: 0 [ 213.108045][ C0] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 213.114101][ T9] node 1: slabs: 426, objs: 5374, free: 64 [ 213.118793][ C0] node 0: slabs: 4594, objs: 55128, free: 0 [ 213.127846][ T4407] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 213.131788][ C0] node 1: slabs: 916, objs: 10992, free: 19 [ 213.141888][ T4407] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 213.146885][ T13] Mem-Info: [ 213.151436][ T4407] node 0: slabs: 975, objs: 15586, free: 0 [ 213.151436][ C0] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 213.151457][ T4407] node 1: slabs: 426, objs: 5374, free: 64 [ 213.151457][ C0] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 213.151477][ C0] node 0: slabs: 4594, objs: 55128, free: 0 [ 213.151491][ C0] node 1: slabs: 916, objs: 10992, free: 19 [ 213.157563][ T3990] jbd2_inode 7KB 7KB [ 213.159106][ T13] active_anon:0 inactive_anon:0 isolated_anon:0 [ 213.159106][ T13] active_file:78 inactive_file:40 isolated_file:0 [ 213.159106][ T13] unevictable:768 dirty:0 writeback:0 [ 213.159106][ T13] slab_reclaimable:16014 slab_unreclaimable:105681 [ 213.159106][ T13] mapped:1 shmem:768 pagetables:388 bounce:0 [ 213.159106][ T13] kernel_misc_reclaimable:0 [ 213.159106][ T13] free:10837 free_pcp:415 free_cma:0 [ 213.167045][ T3990] ext4_system_zone 3KB 3KB [ 213.173036][ T13] Node 0 active_anon:0kB inactive_anon:0kB active_file:188kB inactive_file:184kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12112kB pagetables:1540kB all_unreclaimable? yes [ 213.173089][ T13] Node 1 active_anon:0kB inactive_anon:0kB active_file:124kB 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:496kB pagetables:12kB all_unreclaimable? yes [ 213.207623][ T154] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 213.210926][ T13] Node 0 [ 213.221012][ T154] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 213.224099][ T13] 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 [ 213.230108][ T154] node 0: slabs: 975, objs: 15586, free: 0 [ 213.238091][ T13] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 213.238144][ T13] Node 0 DMA32 free:12624kB min:34800kB low:43500kB high:52200kB reserved_highatomic:28672KB active_anon:0kB inactive_anon:0kB active_file:188kB inactive_file:184kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:600kB local_pcp:320kB free_cma:0kB [ 213.238200][ T13] lowmem_reserve[]: 0 0 0 0 0 [ 213.238264][ T13] 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 [ 213.244288][ T154] node 1: slabs: 426, objs: 5374, free: 64 [ 213.254886][ T13] lowmem_reserve[]: 0 [ 213.399996][ T3990] ext4_io_end_vec 7KB 7KB [ 213.425269][ T13] 0 0 0 0 [ 213.425307][ T13] Node 1 Normal free:20492kB min:57136kB low:70908kB high:84680kB reserved_highatomic:32768KB active_anon:0kB inactive_anon:0kB active_file:124kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:1036kB local_pcp:376kB free_cma:0kB [ 213.425363][ T13] lowmem_reserve[]: 0 0 0 0 0 [ 213.425410][ T13] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 213.563835][ T13] Node 0 DMA32: 124*4kB (ME) 104*8kB (UME) 62*16kB (UME) 196*32kB (UME) 45*64kB (UME) 9*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12624kB [ 213.579358][ T13] 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 [ 213.590917][ T13] Node 1 Normal: 23*4kB (ME) 18*8kB (M) 18*16kB (ME) 46*32kB (UME) 31*64kB (ME) 21*128kB (ME) 14*256kB (M) 8*512kB (UM) 6*1024kB (UM) 0*2048kB 0*4096kB = 20492kB [ 213.607352][ T13] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.607570][ T3990] ext4_bio_post_read_ctx 15KB 15KB [ 213.616935][ T13] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 213.632746][ T13] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 213.642356][ T13] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 213.651676][ T13] 861 total pagecache pages [ 213.656182][ T13] 0 pages in swap cache [ 213.660377][ T13] Swap cache stats: add 39694, delete 39694, find 134/384 [ 213.667525][ T13] Free swap = 98300kB [ 213.671599][ T13] Total swap = 124996kB [ 213.675754][ T13] 2097051 pages RAM [ 213.679591][ T13] 0 pages HighMem/MovableOnly [ 213.684262][ T13] 410816 pages reserved [ 213.688533][ T13] 0 pages cma reserved [ 213.727593][ T3990] pid_namespace 7KB 7KB [ 213.733729][ T3990] rpc_buffers 31KB 31KB [ 213.793525][ T3990] rpc_tasks 3KB 3KB [ 213.817519][ T3990] UNIX-STREAM 288KB 288KB [ 213.823628][ T3990] UNIX 278KB 352KB [ 213.843575][ T3990] MPTCP 31KB 31KB [ 213.849762][ T3990] request_sock_subflow_v4 7KB 7KB [ 213.856372][ T3990] tcp_bind_bucket 8KB 8KB [ 213.862517][ T3990] ip_fib_trie 36KB 36KB [ 213.868808][ T3990] ip_fib_alias 122KB 122KB [ 213.874897][ T3990] ip_dst_cache 24KB 24KB [ 213.891600][ T3990] RAW 123KB 123KB [ 213.897763][ T3990] UDP 154KB 154KB [ 213.903847][ T3990] request_sock_TCP 15KB 15KB [ 213.947524][ T3990] TCP 60KB 60KB [ 213.953652][ T3990] hugetlbfs_inode_cache 30KB 30KB [ 214.031303][ T3990] fscache_cookie_jar 15KB 15KB [ 214.046520][ T3990] bio-256 11KB 11KB [ 214.053866][ T3990] ep_head 16KB 16KB [ 214.067547][ T3990] eventpoll_pwq 43KB 43KB [ 214.073630][ T3990] eventpoll_epi 74KB 74KB [ 214.086441][ T3990] inotify_inode_mark 19KB 19KB [ 214.092722][ T3990] bio_crypt_ctx 7KB 7KB [ 214.099053][ T3990] request_queue 388KB 541KB [ 214.105134][ T3990] blkdev_ioc 22KB 22KB [ 214.111368][ T3990] bio-200 245KB 266KB [ 214.118750][ T3990] biovec-max 348KB 416KB [ 214.124845][ T3990] biovec-64 356KB 425KB [ 214.137496][ T3990] biovec-16 82KB 82KB [ 214.143619][ T3990] bio_integrity_payload 7KB 7KB [ 214.197517][ T3990] user_namespace 15KB 15KB [ 214.203644][ T3990] uid_cache 7KB 7KB [ 214.219796][ T3990] dmaengine-unmap-256 30KB 30KB [ 214.226072][ T3990] dmaengine-unmap-128 15KB 15KB [ 214.259827][ T3990] dmaengine-unmap-16 4KB 4KB [ 214.266012][ T3990] dmaengine-unmap-2 4KB 4KB [ 214.345570][ T3990] QIPCRTR 31KB 31KB [ 214.389168][ T3990] audit_buffer 3KB 3KB [ 214.395283][ T3990] skbuff_ext_cache 56KB 56KB [ 214.462859][ T3990] skbuff_fclone_cache 82KB 120KB [ 214.519287][ T3990] skbuff_head_cache 20840KB 20846KB [ 214.568253][ T3990] configfs_dir_cache 8KB 8KB [ 214.574450][ T3990] file_lock_cache 74KB 74KB [ 214.657522][ T3990] file_lock_ctx 15KB 15KB [ 214.663641][ T3990] fsnotify_mark_connector 16KB 16KB [ 214.714780][ T3990] taskstats 15KB 15KB [ 214.749721][ T3990] proc_dir_entry 1163KB 1166KB [ 214.755839][ T3990] pde_opener 15KB 15KB [ 214.829933][ T3990] seq_file 105KB 120KB [ 214.881202][ T3990] sigqueue 102KB 122KB [ 214.887337][ T3990] shmem_inode_cache 7210KB 7307KB [ 214.957568][ T3990] kernfs_iattrs_cache 7KB 7KB [ 214.963868][ T3990] kernfs_node_cache 31151KB 31182KB [ 215.029630][ T3990] mnt_cache 157KB 189KB [ 215.035772][ T3990] filp 350KB 930KB [ 215.117497][ T3990] names_cache 1164KB 1343KB [ 215.123619][ T3990] net_namespace 132KB 185KB [ 215.207541][ T3990] iint_cache 45KB 45KB [ 215.213680][ T3990] lsm_inode_cache 1791KB 1964KB [ 215.231318][ T3990] lsm_file_cache 98KB 334KB [ 215.237554][ T3990] key_jar 15KB 15KB [ 215.245214][ T3990] uts_namespace 15KB 15KB [ 215.251323][ T3990] nsproxy 15KB 15KB [ 215.257413][ T3990] vm_area_struct 464KB 591KB [ 215.263544][ T3990] fs_cache 62KB 84KB [ 215.269687][ T3990] files_cache 221KB 350KB [ 215.275765][ T3990] signal_cache 737KB 1976KB [ 215.283476][ T3990] sighand_cache 992KB 992KB [ 215.289652][ T3990] task_struct 3279KB 4075KB [ 215.295741][ T3990] cred_jar 169KB 423KB [ 215.311292][ T3990] anon_vma_chain 247KB 334KB [ 215.317400][ T3990] anon_vma 215KB 215KB [ 215.333620][ T3990] pid 146KB 345KB [ 215.388944][ T3990] Acpi-Operand 207KB 245KB [ 215.395049][ T3990] Acpi-ParseExt 23KB 23KB [ 215.477558][ T3990] Acpi-Parse 126KB 126KB [ 215.483694][ T3990] Acpi-State 196KB 232KB [ 215.551400][ T3990] Acpi-Namespace 32KB 32KB [ 215.584340][ T3990] numa_policy 3KB 3KB [ 215.647519][ T3990] perf_event 31KB 31KB [ 215.676341][ T3990] trace_event_file 432KB 432KB [ 215.715291][ T3990] ftrace_event_field 548KB 548KB [ 215.754615][ T3990] pool_workqueue 256KB 260KB [ 215.807516][ T3990] task_group 30KB 30KB [ 215.813717][ T3990] mm_struct 164KB 535KB [ 215.841960][ T3990] vmap_area 347KB 354KB [ 215.857058][ T3990] debug_objects_cache 1804KB 1972KB [ 215.863918][ T3990] page->ptl 154KB 228KB [ 215.870280][ T3990] kmalloc-cg-8k 2080KB 2080KB [ 215.876355][ T3990] kmalloc-cg-4k 5232KB 5264KB [ 215.882444][ T3990] kmalloc-cg-2k 1228KB 1252KB [ 215.888553][ T3990] kmalloc-cg-1k 842KB 960KB [ 215.894638][ T3990] kmalloc-cg-512 1685KB 2144KB [ 215.900732][ T3990] kmalloc-cg-256 40KB 40KB [ 215.906807][ T3990] kmalloc-cg-192 152KB 152KB [ 215.912928][ T3990] kmalloc-cg-128 124KB 124KB [ 215.919050][ T3990] kmalloc-cg-96 16KB 16KB [ 215.925136][ T3990] kmalloc-cg-64 16KB 16KB [ 215.931429][ T3990] kmalloc-cg-32 20KB 20KB [ 215.937582][ T3990] kmalloc-cg-16 70KB 168KB [ 215.943668][ T3990] kmalloc-cg-8 23KB 23KB [ 215.950463][ T3990] kmalloc-8k 10448KB 10624KB [ 215.956555][ T3990] kmalloc-4k 161792KB 161904KB [ 215.970159][ T3990] kmalloc-2k 25812KB 29568KB [ 215.976282][ T3990] kmalloc-1k 42008KB 42136KB [ 215.982425][ T3990] kmalloc-512 30016KB 30036KB [ 215.988605][ T3990] kmalloc-256 5257KB 5280KB [ 215.994727][ T3990] kmalloc-192 1119KB 1672KB [ 216.012115][ T3990] kmalloc-128 1644KB 1704KB [ 216.023334][ T3990] kmalloc-96 1475KB 1484KB [ 216.035313][ T3990] kmalloc-64 3169KB 3908KB [ 216.046111][ T3990] kmalloc-32 709KB 780KB [ 216.053552][ T3990] kmalloc-16 273KB 340KB [ 216.060382][ T3990] kmalloc-8 557KB 605KB [ 216.067004][ T3990] kmem_cache_node 203KB 204KB [ 216.073233][ T3990] kmem_cache 172KB 172KB [ 216.079363][ T3990] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=3990,uid=101 [ 216.093996][ T3990] Out of memory (oom_kill_allocating_task): Killed process 3990 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:52kB oom_score_adj:0 [ 217.504747][ T3985] dhcpcd invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 217.567487][ T3985] CPU: 0 PID: 3985 Comm: dhcpcd Not tainted syzkaller #0 [ 217.574558][ T3985] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 217.584623][ T3985] Call Trace: [ 217.587914][ T3985] [ 217.590862][ T3985] dump_stack_lvl+0x168/0x230 [ 217.595656][ T3985] ? show_regs_print_info+0x20/0x20 [ 217.600875][ T3985] ? load_image+0x3b0/0x3b0 [ 217.605420][ T3985] ? local_lock_release+0x170/0x170 [ 217.610638][ T3985] ? __rwlock_init+0x140/0x140 [ 217.615424][ T3985] dump_header+0xd4/0x770 [ 217.619949][ T3985] oom_kill_process+0x20e/0x3d0 [ 217.624822][ T3985] out_of_memory+0xf5f/0x11e0 [ 217.629542][ T3985] ? __alloc_pages+0x470/0x470 [ 217.634321][ T3985] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 217.640672][ T3985] ? unregister_oom_notifier+0x20/0x20 [ 217.646175][ T3985] __alloc_pages_slowpath+0x1d07/0x2790 [ 217.652204][ T3985] ? get_page_from_freelist+0x1c60/0x1c60 [ 217.658408][ T3985] ? prepare_alloc_pages+0x368/0x5f0 [ 217.663724][ T3985] __alloc_pages+0x332/0x470 [ 217.668337][ T3985] ? zone_statistics+0x170/0x170 [ 217.673298][ T3985] ? __lock_acquire+0x7c60/0x7c60 [ 217.678338][ T3985] ? __rwlock_init+0x140/0x140 [ 217.683122][ T3985] alloc_pages_vma+0x393/0x7c0 [ 217.687894][ T3985] ? __swp_swapcount+0xf5/0x120 [ 217.692754][ T3985] __read_swap_cache_async+0x1b5/0xa70 [ 217.698266][ T3985] swap_cluster_readahead+0x6a2/0x7c0 [ 217.703666][ T3985] ? read_swap_cache_async+0x90/0x90 [ 217.708977][ T3985] swapin_readahead+0xf3/0xaa0 [ 217.713773][ T3985] ? rcu_lock_release+0x5/0x20 [ 217.718558][ T3985] ? __lock_acquire+0x7c60/0x7c60 [ 217.723601][ T3985] ? exit_swap_address_space+0x280/0x280 [ 217.729255][ T3985] ? put_swap_device+0x15c/0x200 [ 217.734214][ T3985] ? lookup_swap_cache+0x135/0x440 [ 217.739338][ T3985] ? get_swap_device+0x21b/0x360 [ 217.744308][ T3985] do_swap_page+0x4b6/0x1f40 [ 217.748914][ T3985] ? count_memcg_event_mm+0x311/0x360 [ 217.754318][ T3985] handle_mm_fault+0x1ada/0x43c0 [ 217.759287][ T3985] ? get_page+0xe0/0xe0 [ 217.763468][ T3985] ? vmacache_find+0x238/0x590 [ 217.768249][ T3985] ? find_vma+0xd2/0x230 [ 217.772521][ T3985] do_user_addr_fault+0x489/0xc80 [ 217.777579][ T3985] exc_page_fault+0x60/0x100 [ 217.782188][ T3985] asm_exc_page_fault+0x22/0x30 [ 217.787052][ T3985] RIP: 0010:do_sys_poll+0xeac/0x1100 [ 217.792350][ T3985] 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 04 c2 ab ff 49 ff c7 49 83 c6 [ 217.811968][ T3985] RSP: 0000:ffffc900014df880 EFLAGS: 00050246 [ 217.818045][ T3985] RAX: 0000000000000000 RBX: 0000000000000001 RCX: ffff88801e863b80 [ 217.826030][ T3985] RDX: 000055fe462bfdd6 RSI: ffffc900014dfc90 RDI: 0000000000000000 [ 217.834012][ T3985] RBP: ffffc900014dfe30 R08: dffffc0000000000 R09: ffffed100fb23df0 [ 217.841994][ T3985] R10: ffffed100fb23df0 R11: 1ffff1100fb23def R12: dffffc0000000000 [ 217.849986][ T3985] R13: 000055fe462bfde0 R14: ffffc900014dfca2 R15: 0000000000000000 [ 217.857999][ T3985] ? do_sys_poll+0x6a1/0x1100 [ 217.862706][ T3985] ? poll_select_finish+0x5e0/0x5e0 [ 217.867939][ T3985] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 217.874203][ T3985] ? __ia32_compat_sys_ppoll_time64+0x2f0/0x2f0 [ 217.877784][ T4287] slab_out_of_memory: 3504 callbacks suppressed [ 217.877801][ T4287] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 217.880543][ T3985] ? set_user_sigmask+0x157/0x1b0 [ 217.886782][ T4287] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 217.894753][ T3985] ? sigprocmask+0x190/0x190 [ 217.894776][ T3985] ? __lock_acquire+0x7c60/0x7c60 [ 217.894808][ T3985] __se_sys_ppoll+0x1fc/0x260 [ 217.899972][ T4287] node 0: slabs: 4697, objs: 56364, free: 0 [ 217.910444][ T3985] ? __x64_sys_ppoll+0xc0/0xc0 [ 217.910476][ T3985] ? __x64_sys_ppoll+0x1c/0xc0 [ 217.910497][ T3985] do_syscall_64+0x4c/0xa0 [ 217.910515][ T3985] ? clear_bhb_loop+0x30/0x80 [ 217.910534][ T3985] ? clear_bhb_loop+0x30/0x80 [ 217.910554][ T3985] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 217.910575][ T3985] RIP: 0033:0x7f0def012407 [ 217.910600][ T3985] Code: Unable to access opcode bytes at RIP 0x7f0def0123dd. [ 217.910610][ T3985] RSP: 002b:00007ffc7ce0d560 EFLAGS: 00000202 ORIG_RAX: 000000000000010f [ 217.910632][ T3985] RAX: ffffffffffffffda RBX: 00007f0deef88740 RCX: 00007f0def012407 [ 217.910648][ T3985] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 000055fe462bfdd0 [ 217.910662][ T3985] RBP: 00007ffc7ce0d8a0 R08: 0000000000000008 R09: 0000000000000000 [ 217.910675][ T3985] R10: 00007ffc7ce0d8a0 R11: 0000000000000202 R12: 000055fe1c17a5e0 [ 217.910689][ T3985] R13: 000055fe462b2df0 R14: 0000000000000000 R15: 00007ffc7ce0d650 [ 217.910720][ T3985] [ 217.947615][ T13] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 217.950945][ T4287] node 1: slabs: 992, objs: 11904, free: 19 [ 217.955607][ T13] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 217.977656][ T9] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 217.981753][ T13] node 0: slabs: 4700, objs: 56400, free: 0 [ 217.989749][ T9] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 217.997715][ T13] node 1: slabs: 992, objs: 11904, free: 19 [ 218.005693][ T9] node 0: slabs: 975, objs: 15586, free: 0 [ 218.013895][ T13] SLUB: Unable to allocate memory on node -1, gfp=0xa20(GFP_ATOMIC) [ 218.013912][ T13] cache: skbuff_head_cache, object size: 232, buffer size: 320, default order: 0, min order: 0 [ 218.013931][ T13] node 0: slabs: 4700, objs: 56400, free: 0 [ 218.013946][ T13] node 1: slabs: 992, objs: 11904, free: 19 [ 218.014621][ T4411] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 218.014642][ T4411] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 218.014662][ T4411] node 0: slabs: 975, objs: 15586, free: 0 [ 218.014687][ T4411] node 1: slabs: 449, objs: 5546, free: 64 [ 218.022898][ T9] node 1: slabs: 449, objs: 5546, free: 64 [ 218.037908][ T4240] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 218.039988][ T154] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 218.050449][ T4240] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 218.059420][ T154] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 218.065484][ T4240] node 0: slabs: 975, objs: 15586, free: 0 [ 218.075566][ T154] node 0: slabs: 975, objs: 15586, free: 0 [ 218.075587][ T154] node 1: slabs: 449, objs: 5546, free: 64 [ 218.075688][ T4407] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 218.081680][ T4240] node 1: slabs: 449, objs: 5546, free: 64 [ 218.087675][ T4407] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 218.087696][ T4407] node 0: slabs: 975, objs: 15586, free: 0 [ 218.087711][ T4407] node 1: slabs: 449, objs: 5546, free: 64 [ 218.117721][ T4537] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 218.119471][ T4334] SLUB: Unable to allocate memory on node -1, gfp=0xb20(GFP_ATOMIC|__GFP_ZERO) [ 218.127300][ T4537] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 218.137380][ T4334] cache: kmalloc-1k, object size: 1024, buffer size: 2048, default order: 3, min order: 0 [ 218.143468][ T4537] node 0: slabs: 975, objs: 15586, free: 0 [ 218.149423][ T4334] node 0: slabs: 975, objs: 15586, free: 0 [ 218.155368][ T4537] node 1: slabs: 449, objs: 5546, free: 64 [ 218.164315][ T4334] node 1: slabs: 449, objs: 5546, free: 64 [ 218.194155][ T28] oom_reaper: reaped process 3990 (dhcpcd), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 218.573605][ T3985] Mem-Info: [ 218.576768][ T3985] active_anon:0 inactive_anon:0 isolated_anon:0 [ 218.576768][ T3985] active_file:52 inactive_file:14 isolated_file:5 [ 218.576768][ T3985] unevictable:768 dirty:0 writeback:0 [ 218.576768][ T3985] slab_reclaimable:16014 slab_unreclaimable:103112 [ 218.576768][ T3985] mapped:1 shmem:768 pagetables:379 bounce:0 [ 218.576768][ T3985] kernel_misc_reclaimable:0 [ 218.576768][ T3985] free:13413 free_pcp:0 free_cma:0 [ 218.616816][ T3985] Node 0 active_anon:0kB inactive_anon:0kB active_file:204kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12112kB pagetables:1504kB all_unreclaimable? yes [ 218.772079][ T3985] Node 1 active_anon:0kB inactive_anon:0kB active_file:140kB inactive_file:48kB 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:496kB pagetables:12kB all_unreclaimable? yes [ 218.957104][ T3985] 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 [ 219.107351][ T3985] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 219.138501][ T3985] Node 0 DMA32 free:16916kB min:34800kB low:43500kB high:52200kB reserved_highatomic:16384KB active_anon:0kB inactive_anon:0kB active_file:96kB inactive_file:68kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:548kB local_pcp:208kB free_cma:0kB [ 219.168048][ T3985] lowmem_reserve[]: 0 0 0 0 0 [ 219.178361][ T3985] 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 [ 219.309137][ T3985] lowmem_reserve[]: 0 0 0 0 0 [ 219.314024][ T3985] Node 1 Normal free:27384kB min:55088kB low:68860kB high:82632kB reserved_highatomic:30720KB active_anon:0kB inactive_anon:0kB active_file:100kB inactive_file:128kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:472kB local_pcp:440kB free_cma:0kB [ 219.509087][ T3985] lowmem_reserve[]: 0 0 0 0 0 [ 219.513885][ T3985] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 219.550250][ T3985] Node 0 DMA32: 128*4kB (UME) 101*8kB (ME) 61*16kB (UME) 266*32kB (UME) 71*64kB (UME) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 16760kB [ 219.566156][ T3985] 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 [ 219.579864][ T3985] Node 1 Normal: 24*4kB (UME) 17*8kB (UM) 19*16kB (UME) 71*32kB (UME) 94*64kB (UME) 41*128kB (UME) 14*256kB (M) 7*512kB (M) 6*1024kB (M) 0*2048kB 0*4096kB = 27384kB [ 219.596848][ T3985] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 219.606429][ T3985] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 219.615829][ T3985] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 219.625414][ T3985] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 219.634929][ T3985] 861 total pagecache pages [ 219.639485][ T3985] 0 pages in swap cache [ 219.643654][ T3985] Swap cache stats: add 39694, delete 39694, find 134/384 [ 219.652270][ T3985] Free swap = 98300kB [ 219.656460][ T3985] Total swap = 124996kB [ 219.660649][ T3985] 2097051 pages RAM [ 219.664445][ T3985] 0 pages HighMem/MovableOnly [ 219.669853][ T3985] 410816 pages reserved [ 219.674027][ T3985] 0 pages cma reserved [ 219.734688][ T3985] Unreclaimable slab info: [ 219.756931][ T3985] Name Used Total [ 219.789116][ T3985] pid_2 22KB 22KB [ 219.795347][ T3985] bio-320 7KB 7KB [ 219.857082][ T3985] zswap_entry 3339KB 3340KB [ 219.878797][ T3985] batadv_tt_change_cache 8KB 8KB [ 219.885360][ T3985] batadv_tl_cache 8KB 8KB [ 219.927532][ T3985] TIPC 63KB 63KB [ 219.933667][ T3985] SCTPv6 63KB 63KB [ 219.945778][ T3985] DCCPv6 59KB 59KB [ 219.953111][ T3985] DCCP 61KB 61KB [ 219.960316][ T3985] RXRPC 61KB 61KB [ 219.966408][ T3985] rxrpc_call_jar 204KB 267KB [ 219.972553][ T3985] bridge_fdb_cache 19KB 19KB [ 219.978743][ T3985] MPTCPv6 30KB 30KB [ 219.984844][ T3985] fib6_nodes 228KB 228KB [ 219.991028][ T3985] ip6_dst_cache 257KB 517KB [ 219.997207][ T3985] RAWv6 338KB 338KB [ 220.003358][ T3985] UDPv6 128KB 128KB [ 220.009514][ T3985] TCPv6 63KB 63KB [ 220.015608][ T3985] nf_conntrack 39KB 39KB [ 220.021817][ T3985] wg_peer 152KB 152KB [ 220.028075][ T3985] allowedips_node 19KB 19KB [ 220.034294][ T3985] t10_alua_lu_gp_cache 3KB 3KB [ 220.068157][ T3985] sd_ext_cdb 3KB 3KB [ 220.074272][ T3985] scsi_sense_cache 1092KB 1092KB [ 220.108500][ T3985] virtio_scsi_cmd 16KB 16KB [ 220.114638][ T3985] bio-136 84KB 84KB [ 220.144287][ T3985] sgpool-128 29KB 29KB [ 220.167566][ T3985] sgpool-64 63KB 63KB [ 220.173769][ T3985] sgpool-32 283KB 283KB [ 220.242852][ T3985] sgpool-16 97KB 97KB [ 220.292212][ T3985] sgpool-8 90KB 90KB [ 220.327260][ T3985] bio-224 3KB 3KB [ 220.363435][ T3985] mqueue_inode_cache 60KB 60KB [ 220.399107][ T3985] f2fs_bio_post_read_ctx 16KB 16KB [ 220.405738][ T3985] jfs_mp 7KB 7KB [ 220.431025][ T3985] cifs_small_rq 16KB 16KB [ 220.437132][ T3985] cifs_request 67KB 67KB [ 220.443275][ T3985] cifs_mpx_ids 4KB 4KB [ 220.449438][ T3985] nfs_commit_data 15KB 15KB [ 220.455528][ T3985] nfs_write_data 47KB 47KB [ 220.461675][ T3985] jbd2_inode 7KB 7KB [ 220.468701][ T3985] ext4_system_zone 3KB 3KB [ 220.474809][ T3985] ext4_io_end_vec 7KB 7KB [ 220.496151][ T3985] ext4_bio_post_read_ctx 15KB 15KB [ 220.510855][ T3985] pid_namespace 7KB 7KB [ 220.516977][ T3985] rpc_buffers 31KB 31KB [ 220.540940][ T3985] rpc_tasks 3KB 3KB [ 220.547047][ T3985] UNIX-STREAM 288KB 288KB [ 220.597486][ T3985] UNIX 278KB 352KB [ 220.603673][ T3985] MPTCP 31KB 31KB [ 220.609948][ T3985] request_sock_subflow_v4 7KB 7KB [ 220.616550][ T3985] tcp_bind_bucket 8KB 8KB [ 220.622724][ T3985] ip_fib_trie 36KB 36KB [ 220.636816][ T3985] ip_fib_alias 122KB 122KB [ 220.647577][ T3985] ip_dst_cache 24KB 24KB [ 220.653683][ T3985] RAW 123KB 123KB [ 220.659812][ T3985] UDP 154KB 154KB [ 220.665910][ T3985] request_sock_TCP 15KB 15KB [ 220.697524][ T3985] TCP 60KB 60KB [ 220.703723][ T3985] hugetlbfs_inode_cache 30KB 30KB [ 220.787594][ T3985] fscache_cookie_jar 15KB 15KB [ 220.793927][ T3985] bio-256 11KB 11KB [ 220.837329][ T3985] ep_head 16KB 16KB [ 220.866989][ T3985] eventpoll_pwq 43KB 43KB [ 220.896419][ T3985] eventpoll_epi 74KB 74KB [ 220.923665][ T3985] inotify_inode_mark 19KB 19KB [ 220.945477][ T3985] bio_crypt_ctx 7KB 7KB [ 220.965834][ T3985] request_queue 388KB 541KB [ 221.023185][ T3985] blkdev_ioc 22KB 22KB [ 221.038873][ T3985] bio-200 245KB 266KB [ 221.045737][ T3985] biovec-max 348KB 416KB [ 221.051894][ T3985] biovec-64 356KB 425KB [ 221.058006][ T3985] biovec-16 82KB 82KB [ 221.064136][ T3985] bio_integrity_payload 7KB 7KB [ 221.070696][ T3985] user_namespace 15KB 15KB [ 221.076780][ T3985] uid_cache 7KB 7KB [ 221.083576][ T3985] dmaengine-unmap-256 30KB 30KB [ 221.089928][ T3985] dmaengine-unmap-128 15KB 15KB [ 221.096280][ T3985] dmaengine-unmap-16 4KB 4KB [ 221.103424][ T3985] dmaengine-unmap-2 4KB 4KB [ 221.117503][ T3985] QIPCRTR 31KB 31KB [ 221.123601][ T3985] audit_buffer 3KB 3KB [ 221.139457][ T3985] skbuff_ext_cache 56KB 56KB [ 221.146000][ T3985] skbuff_fclone_cache 82KB 120KB [ 221.207608][ T3985] skbuff_head_cache 21402KB 21408KB [ 221.213849][ T3985] configfs_dir_cache 8KB 8KB [ 221.237522][ T3985] file_lock_cache 74KB 74KB [ 221.243630][ T3985] file_lock_ctx 15KB 15KB [ 221.259677][ T3985] fsnotify_mark_connector 16KB 16KB [ 221.266306][ T3985] taskstats 15KB 15KB [ 221.307576][ T3985] proc_dir_entry 1163KB 1166KB [ 221.313700][ T3985] pde_opener 15KB 15KB [ 221.353029][ T3985] seq_file 105KB 120KB [ 221.393480][ T3985] sigqueue 102KB 122KB [ 221.422719][ T3985] shmem_inode_cache 7210KB 7307KB [ 221.457529][ T3985] kernfs_iattrs_cache 7KB 7KB [ 221.463825][ T3985] kernfs_node_cache 31151KB 31182KB [ 221.526905][ T3985] mnt_cache 157KB 189KB [ 221.577527][ T3985] filp 350KB 930KB [ 221.583650][ T3985] names_cache 1164KB 1343KB [ 221.646806][ T3985] net_namespace 132KB 185KB [ 221.693643][ T3985] iint_cache 45KB 45KB [ 221.717577][ T3985] lsm_inode_cache 1791KB 1964KB [ 221.723693][ T3985] lsm_file_cache 98KB 334KB [ 221.730972][ T3985] key_jar 15KB 15KB [ 221.737067][ T3985] uts_namespace 15KB 15KB [ 221.743231][ T3985] nsproxy 15KB 15KB [ 221.749371][ T3985] vm_area_struct 464KB 591KB [ 221.755453][ T3985] fs_cache 62KB 84KB [ 221.761579][ T3985] files_cache 221KB 350KB [ 221.767841][ T3985] signal_cache 737KB 1976KB [ 221.773913][ T3985] sighand_cache 992KB 992KB [ 221.780061][ T3985] task_struct 3279KB 4075KB [ 221.786172][ T3985] cred_jar 169KB 423KB [ 221.796551][ T3985] anon_vma_chain 247KB 334KB [ 221.812383][ T3985] anon_vma 215KB 215KB [ 221.825450][ T3985] pid 146KB 345KB [ 221.859091][ T3985] Acpi-Operand 207KB 245KB [ 221.865210][ T3985] Acpi-ParseExt 23KB 23KB [ 221.871326][ T3985] Acpi-Parse 126KB 126KB [ 221.877499][ T3985] Acpi-State 196KB 232KB [ 221.883673][ T3985] Acpi-Namespace 32KB 32KB [ 221.889835][ T3985] numa_policy 3KB 3KB [ 221.895910][ T3985] perf_event 31KB 31KB [ 221.917526][ T3985] trace_event_file 432KB 432KB [ 221.923746][ T3985] ftrace_event_field 548KB 548KB [ 221.941043][ T3985] pool_workqueue 256KB 260KB [ 221.947239][ T3985] task_group 30KB 30KB [ 221.953582][ T3985] mm_struct 164KB 535KB [ 221.959795][ T3985] vmap_area 347KB 354KB [ 221.965898][ T3985] debug_objects_cache 1804KB 1972KB [ 221.972150][ T3985] page->ptl 154KB 228KB [ 221.982581][ T3985] kmalloc-cg-8k 2080KB 2080KB [ 221.989584][ T3985] kmalloc-cg-4k 5232KB 5264KB [ 221.995663][ T3985] kmalloc-cg-2k 1228KB 1252KB [ 222.002435][ T3985] kmalloc-cg-1k 842KB 960KB [ 222.008564][ T3985] kmalloc-cg-512 1685KB 2144KB [ 222.014644][ T3985] kmalloc-cg-256 40KB 40KB [ 222.020745][ T3985] kmalloc-cg-192 152KB 152KB [ 222.026818][ T3985] kmalloc-cg-128 124KB 124KB [ 222.033102][ T3985] kmalloc-cg-96 16KB 16KB [ 222.039296][ T3985] kmalloc-cg-64 16KB 16KB [ 222.045392][ T3985] kmalloc-cg-32 20KB 20KB [ 222.051577][ T3985] kmalloc-cg-16 70KB 168KB [ 222.058608][ T3985] kmalloc-cg-8 23KB 23KB [ 222.064697][ T3985] kmalloc-8k 10448KB 10624KB [ 222.070818][ T3985] kmalloc-4k 145728KB 145872KB [ 222.076930][ T3985] kmalloc-2k 25812KB 29568KB [ 222.083044][ T3985] kmalloc-1k 42744KB 42872KB [ 222.095199][ T3985] kmalloc-512 30880KB 30900KB [ 222.106847][ T3985] kmalloc-256 5257KB 5280KB [ 222.127572][ T3985] kmalloc-192 1119KB 1672KB [ 222.133777][ T3985] kmalloc-128 1644KB 1704KB [ 222.157524][ T3985] kmalloc-96 1503KB 1512KB [ 222.163678][ T3985] kmalloc-64 3168KB 3908KB [ 222.177504][ T3985] kmalloc-32 722KB 780KB [ 222.183638][ T3985] kmalloc-16 273KB 340KB [ 222.206591][ T3985] kmalloc-8 557KB 605KB [ 222.218658][ T3985] kmem_cache_node 203KB 204KB [ 222.224773][ T3985] kmem_cache 172KB 172KB [ 222.248496][ T3985] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=3985,uid=101 [ 222.263353][ T3985] Out of memory (oom_kill_allocating_task): Killed process 3985 (dhcpcd) total-vm:3052kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:101 pgtables:52kB oom_score_adj:0 [ 222.635624][ T1] init invoked oom-killer: gfp_mask=0x1100cca(GFP_HIGHUSER_MOVABLE), order=0, oom_score_adj=0 [ 222.709655][ T1] CPU: 1 PID: 1 Comm: init Not tainted syzkaller #0 [ 222.716290][ T1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 222.726357][ T1] Call Trace: [ 222.729650][ T1] [ 222.732607][ T1] dump_stack_lvl+0x168/0x230 [ 222.737310][ T1] ? show_regs_print_info+0x20/0x20 [ 222.742532][ T1] ? load_image+0x3b0/0x3b0 [ 222.747063][ T1] ? local_lock_release+0x170/0x170 [ 222.752284][ T1] ? __rwlock_init+0x140/0x140 [ 222.757075][ T1] dump_header+0xd4/0x770 [ 222.761443][ T1] oom_kill_process+0x20e/0x3d0 [ 222.766314][ T1] out_of_memory+0xe43/0x11e0 [ 222.771022][ T1] ? __alloc_pages+0x470/0x470 [ 222.775809][ T1] ? unreserve_highatomic_pageblock+0x363/0x4d0 [ 222.782065][ T1] ? unregister_oom_notifier+0x20/0x20 [ 222.787564][ T1] __alloc_pages_slowpath+0x1d07/0x2790 [ 222.793164][ T1] ? get_page_from_freelist+0x1c60/0x1c60 [ 222.799011][ T1] ? prepare_alloc_pages+0x368/0x5f0 [ 222.804334][ T1] __alloc_pages+0x332/0x470 [ 222.808945][ T1] ? zone_statistics+0x170/0x170 [ 222.813939][ T1] ? __lock_acquire+0x7c60/0x7c60 [ 222.818982][ T1] ? __rwlock_init+0x140/0x140 [ 222.823808][ T1] alloc_pages_vma+0x393/0x7c0 [ 222.828593][ T1] ? __swp_swapcount+0xf5/0x120 [ 222.833470][ T1] __read_swap_cache_async+0x1b5/0xa70 [ 222.839000][ T1] swap_cluster_readahead+0x6a2/0x7c0 [ 222.844419][ T1] ? read_swap_cache_async+0x90/0x90 [ 222.849762][ T1] swapin_readahead+0xf3/0xaa0 [ 222.854545][ T1] ? rcu_lock_release+0x5/0x20 [ 222.859338][ T1] ? __lock_acquire+0x7c60/0x7c60 [ 222.864387][ T1] ? exit_swap_address_space+0x280/0x280 [ 222.870044][ T1] ? put_swap_device+0x15c/0x200 [ 222.874994][ T1] ? lookup_swap_cache+0x135/0x440 [ 222.880116][ T1] ? get_swap_device+0x21b/0x360 [ 222.885069][ T1] do_swap_page+0x4b6/0x1f40 [ 222.889698][ T1] ? count_memcg_event_mm+0x311/0x360 [ 222.895201][ T1] handle_mm_fault+0x1ada/0x43c0 [ 222.900169][ T1] ? get_page+0xe0/0xe0 [ 222.904352][ T1] ? vmacache_find+0x53c/0x590 [ 222.909139][ T1] ? vmacache_update+0xa0/0x100 [ 222.914032][ T1] ? find_vma+0x1df/0x230 [ 222.918377][ T1] do_user_addr_fault+0x489/0xc80 [ 222.923446][ T1] exc_page_fault+0x60/0x100 [ 222.928048][ T1] ? __might_fault+0xb7/0x110 [ 222.932741][ T1] asm_exc_page_fault+0x22/0x30 [ 222.937607][ T1] RIP: 0010:__get_user_8+0x18/0x30 [ 222.942748][ T1] Code: 31 c0 0f 01 ca c3 90 90 90 90 90 90 90 90 90 90 90 90 48 ba f9 ef ff ff ff 7f 00 00 48 39 d0 73 64 48 19 d2 48 21 d0 0f 01 cb <48> 8b 10 31 c0 0f 01 ca c3 90 90 90 90 90 90 90 90 90 90 90 90 90 [ 222.962373][ T1] RSP: 0000:ffffc90000c67d98 EFLAGS: 00050206 [ 222.968463][ T1] RAX: 00007f13a0c86ae8 RBX: ffff888140789578 RCX: 27f064cb72eb8300 [ 222.976453][ T1] RDX: ffffffffffffffff RSI: ffffffff8a0b2ac0 RDI: ffffffff8a59a480 [ 222.984437][ T1] RBP: ffffc90000c67ec0 R08: dffffc0000000000 R09: fffffbfff1ad323e [ 222.992413][ T1] R10: fffffbfff1ad323e R11: 1ffffffff1ad323d R12: ffffc90000c67fd8 [ 223.000395][ T1] R13: dffffc0000000000 R14: 00007f13a0c86ae8 R15: ffff888140788000 [ 223.008399][ T1] __rseq_handle_notify_resume+0x12c/0xf50 [ 223.014243][ T1] ? __remove_hrtimer+0x3a0/0x3a0 [ 223.019300][ T1] ? __bpf_trace_rseq_ip_fixup+0x40/0x40 [ 223.024979][ T1] ? __unlock_page_memcg+0x100/0x100 [ 223.030283][ T1] ? __se_sys_clock_nanosleep+0x2e6/0x370 [ 223.036040][ T1] ? blkcg_maybe_throttle_current+0x112/0x6e0 [ 223.042161][ T1] exit_to_user_mode_loop+0xe5/0x130 [ 223.047467][ T1] exit_to_user_mode_prepare+0xee/0x180 [ 223.053036][ T1] syscall_exit_to_user_mode+0x16/0x40 [ 223.058516][ T1] do_syscall_64+0x58/0xa0 [ 223.062952][ T1] ? clear_bhb_loop+0x30/0x80 [ 223.067663][ T1] ? clear_bhb_loop+0x30/0x80 [ 223.072359][ T1] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 223.078280][ T1] RIP: 0033:0x7f13a0dd6407 [ 223.082720][ T1] Code: Unable to access opcode bytes at RIP 0x7f13a0dd63dd. [ 223.090081][ T1] RSP: 002b:00007ffe20c2fcf0 EFLAGS: 00000202 ORIG_RAX: 00000000000000e6 [ 223.098502][ T1] RAX: 0000000000000000 RBX: 00007f13a0c86c80 RCX: 00007f13a0dd6407 [ 223.106577][ T1] RDX: 00007ffe20c2fd30 RSI: 0000000000000000 RDI: 0000000000000000 [ 223.114554][ T1] RBP: 0000000000000002 R08: 0000000000000000 R09: 0000000000000000 [ 223.122532][ T1] R10: 00007ffe20c2fd30 R11: 0000000000000202 R12: 00007f13a0ff0490 [ 223.130508][ T1] R13: 00007ffe20c2fd6c R14: 00007f13a1028000 R15: 0000559cbddf7d98 [ 223.138598][ T1] [ 224.307666][ T4378] warn_alloc: 3543 callbacks suppressed [ 224.307684][ T4378] syz.3.20: page allocation failure: order:0, mode:0xcc0(GFP_KERNEL), nodemask=(null),cpuset=syz3,mems_allowed=0-1 [ 224.342907][ T4378] CPU: 1 PID: 4378 Comm: syz.3.20 Not tainted syzkaller #0 [ 224.350151][ T4378] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/18/2025 [ 224.360232][ T4378] Call Trace: [ 224.363526][ T4378] [ 224.366481][ T4378] dump_stack_lvl+0x168/0x230 [ 224.371177][ T4378] ? rcu_lock_release+0x5/0x20 [ 224.375979][ T4378] ? show_regs_print_info+0x20/0x20 [ 224.381209][ T4378] ? load_image+0x3b0/0x3b0 [ 224.385740][ T4378] warn_alloc+0x20e/0x2f0 [ 224.390084][ T4378] ? zone_watermark_ok_safe+0x240/0x240 [ 224.395648][ T4378] ? __mutex_trylock_common+0x80/0x250 [ 224.401143][ T4378] __alloc_pages_slowpath+0x273b/0x2790 [ 224.406758][ T4378] ? get_page_from_freelist+0x1c60/0x1c60 [ 224.412500][ T4378] ? prepare_alloc_pages+0x368/0x5f0 [ 224.417808][ T4378] __alloc_pages+0x332/0x470 [ 224.422415][ T4378] ? zone_statistics+0x170/0x170 [ 224.427382][ T4378] ? __sanitizer_cov_trace_const_cmp8+0x4/0x80 [ 224.433645][ T4378] relay_open_buf+0x2c1/0xda0 [ 224.438346][ T4378] relay_open+0x371/0x8e0 [ 224.442700][ T4378] do_blk_trace_setup+0x559/0x9d0 [ 224.447749][ T4378] blk_trace_setup+0x119/0x1d0 [ 224.452527][ T4378] ? tomoyo_check_path_acl+0x1c0/0x1c0 [ 224.458009][ T4378] ? __blk_trace_remove+0x170/0x170 [ 224.463250][ T4378] sg_ioctl+0xe8a/0x2000 [ 224.467532][ T4378] ? sg_poll+0x410/0x410 [ 224.471819][ T4378] ? bpf_lsm_file_ioctl+0x5/0x10 [ 224.476770][ T4378] ? security_file_ioctl+0x7c/0xa0 [ 224.481896][ T4378] ? sg_poll+0x410/0x410 [ 224.486145][ T4378] __se_sys_ioctl+0xfa/0x170 [ 224.490752][ T4378] do_syscall_64+0x4c/0xa0 [ 224.495177][ T4378] ? clear_bhb_loop+0x30/0x80 [ 224.499955][ T4378] ? clear_bhb_loop+0x30/0x80 [ 224.504652][ T4378] entry_SYSCALL_64_after_hwframe+0x66/0xd0 [ 224.510556][ T4378] RIP: 0033:0x7fca76286ec9 [ 224.514990][ T4378] Code: Unable to access opcode bytes at RIP 0x7fca76286e9f. [ 224.522372][ T4378] RSP: 002b:00007fca758f6038 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 224.530801][ T4378] RAX: ffffffffffffffda RBX: 00007fca764ddfa0 RCX: 00007fca76286ec9 [ 224.538781][ T4378] RDX: 0000200000000140 RSI: 00000000c0481273 RDI: 0000000000000003 [ 224.546764][ T4378] RBP: 00007fca76309f91 R08: 0000000000000000 R09: 0000000000000000 [ 224.554750][ T4378] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 224.562738][ T4378] R13: 00007fca764de038 R14: 00007fca764ddfa0 R15: 00007ffe10af4be8 [ 224.570742][ T4378] [ 224.576538][ T1] Mem-Info: [ 224.579781][ T1] active_anon:0 inactive_anon:0 isolated_anon:0 [ 224.579781][ T1] active_file:81 inactive_file:15 isolated_file:0 [ 224.579781][ T1] unevictable:768 dirty:0 writeback:0 [ 224.579781][ T1] slab_reclaimable:16014 slab_unreclaimable:101229 [ 224.579781][ T1] mapped:1 shmem:768 pagetables:359 bounce:0 [ 224.579781][ T1] kernel_misc_reclaimable:0 [ 224.579781][ T1] free:12890 free_pcp:224 free_cma:0 [ 224.620756][ T1] Node 0 active_anon:0kB inactive_anon:0kB active_file:220kB inactive_file:92kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12048kB pagetables:1424kB all_unreclaimable? yes [ 224.650462][ T4378] Mem-Info: [ 224.653584][ T4378] active_anon:0 inactive_anon:0 isolated_anon:0 [ 224.653584][ T4378] active_file:89 inactive_file:0 isolated_file:0 [ 224.653584][ T4378] unevictable:768 dirty:0 writeback:0 [ 224.653584][ T4378] slab_reclaimable:16014 slab_unreclaimable:101244 [ 224.653584][ T4378] mapped:1 shmem:768 pagetables:359 bounce:0 [ 224.653584][ T4378] kernel_misc_reclaimable:0 [ 224.653584][ T4378] free:12949 free_pcp:168 free_cma:0 [ 224.717905][ T1] Node 1 active_anon:0kB inactive_anon:0kB active_file:112kB inactive_file:100kB 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:496kB pagetables:12kB all_unreclaimable? yes [ 224.807534][ T1] 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 [ 224.871291][ T4378] Node 0 active_anon:0kB inactive_anon:0kB active_file:64kB inactive_file:64kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:4kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB kernel_stack:12048kB pagetables:1424kB all_unreclaimable? yes [ 224.959904][ T1] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 224.965733][ T1] Node 0 DMA32 free:13508kB min:34800kB low:43500kB high:52200kB reserved_highatomic:28672KB active_anon:0kB inactive_anon:0kB active_file:228kB inactive_file:56kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:756kB local_pcp:380kB free_cma:0kB [ 225.027626][ T4378] Node 1 active_anon:0kB inactive_anon:0kB active_file:84kB inactive_file:64kB 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:496kB pagetables:12kB all_unreclaimable? yes [ 225.148175][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 225.149058][ T4378] Node 0 [ 225.153053][ T1] Node 0 [ 225.153056][ T4378] 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 [ 225.156001][ T1] 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 [ 225.195431][ T4378] lowmem_reserve[]: 0 2541 2542 2542 2542 [ 225.272883][ T4378] Node 0 DMA32 free:13284kB min:34800kB low:43500kB high:52200kB reserved_highatomic:28672KB active_anon:0kB inactive_anon:0kB active_file:152kB inactive_file:0kB unevictable:1536kB writepending:0kB present:3129332kB managed:2608992kB mlocked:0kB bounce:0kB free_pcp:620kB local_pcp:432kB free_cma:0kB [ 225.373000][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 225.381025][ T1] Node 1 Normal free:27352kB min:55088kB low:68860kB high:82632kB reserved_highatomic:24576KB active_anon:0kB inactive_anon:0kB active_file:96kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:408kB local_pcp:408kB free_cma:0kB [ 225.397296][ T4378] lowmem_reserve[]: 0 0 0 0 0 [ 225.455161][ T4378] 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 [ 225.488465][ T1] lowmem_reserve[]: 0 0 0 0 0 [ 225.493233][ T1] Node 0 DMA: 0*4kB 1*8kB (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 225.540055][ T4378] lowmem_reserve[]: 0 0 0 0 0 [ 225.544795][ T4378] Node 1 Normal free:27140kB min:55088kB low:68860kB high:82632kB reserved_highatomic:26624KB active_anon:0kB inactive_anon:0kB active_file:96kB inactive_file:0kB unevictable:1536kB writepending:0kB present:4194304kB managed:4119672kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 225.577028][ T1] Node 0 DMA32: 129*4kB (UME) 107*8kB (ME) 63*16kB (UME) 187*32kB (UME) 62*64kB (UME) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13740kB [ 225.585189][ T4378] lowmem_reserve[]: 0 0 0 0 0 [ 225.607527][ T1] 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 [ 225.613164][ T4378] Node 0 [ 225.635512][ T1] Node 1 [ 225.637337][ T4378] DMA: [ 225.638634][ T1] Normal: [ 225.641482][ T4378] 0*4kB [ 225.644237][ T1] 23*4kB [ 225.647248][ T4378] 1*8kB [ 225.667519][ T1] (ME) 17*8kB (UM) 19*16kB (MEH) 51*32kB (ME) 39*64kB (UME) 36*128kB (UME) 30*256kB (UM) 7*512kB (M) 6*1024kB (MH) 0*2048kB 0*4096kB = 26676kB [ 225.685142][ T4378] (U) 1*16kB (M) 1*32kB (M) 1*64kB (U) 1*128kB (U) 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10232kB [ 225.709727][ T4378] Node 0 DMA32: 128*4kB (ME) 108*8kB (UME) 61*16kB (UME) 180*32kB (ME) 51*64kB (UME) 11*128kB (UM) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 12784kB [ 225.734270][ T1] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.752065][ T4378] 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 [ 225.767572][ T1] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 225.776877][ T1] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.832176][ T4378] Node 1 Normal: 24*4kB (ME) 17*8kB (M) 20*16kB (ME) 52*32kB (UME) 39*64kB (UME) 34*128kB (ME) 28*256kB (UM) 7*512kB (M) 6*1024kB (M) 0*2048kB 0*4096kB = 25960kB [ 225.868364][ T1] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 225.903072][ T4378] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 225.917508][ T1] 862 total pagecache pages [ 225.922171][ T1] 0 pages in swap cache [ 225.926336][ T1] Swap cache stats: add 39696, delete 39696, find 134/385 [ 225.954696][ T4378] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 225.982506][ T1] Free swap = 98556kB [ 225.986607][ T1] Total swap = 124996kB [ 225.991979][ T4378] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 226.023652][ T1] 2097051 pages RAM [ 226.042253][ T4378] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 226.057508][ T1] 0 pages HighMem/MovableOnly [ 226.062206][ T1] 410816 pages reserved [ 226.066365][ T1] 0 pages cma reserved [ 226.092753][ T4378] 862 total pagecache pages [ 226.108318][ T1] Unreclaimable slab info: [ 226.112773][ T1] Name Used Total [ 226.120047][ T4378] 0 pages in swap cache [ 226.124214][ T4378] Swap cache stats: add 39696, delete 39696, find 134/385 [ 226.153731][ T1] pid_2 22KB 22KB [ 226.162266][ T4378] Free swap = 98556kB [ 226.166350][ T4378] Total swap = 124996kB [ 226.179712][ T1] bio-320 7KB 7KB [ 226.185927][ T1] zswap_entry 3339KB 3340KB [ 226.200563][ T4378] 2097051 pages RAM [ 226.204414][ T4378] 0 pages HighMem/MovableOnly [ 226.226672][ T4378] 410816 pages reserved [ 226.231540][ T1] batadv_tt_change_cache 8KB 8KB [ 226.247610][ T4378] 0 pages cma reserved [ 226.264164][ T1] batadv_tl_cache 8KB 8KB [ 226.297680][ T1] TIPC 63KB 63KB [ 226.305162][ T1] SCTPv6 63KB 63KB [ 226.378048][ T1] DCCPv6 59KB 59KB [ 226.384197][ T1] DCCP 61KB 61KB [ 226.447845][ T1] RXRPC 61KB 61KB [ 226.453958][ T1] rxrpc_call_jar 204KB 267KB [ 226.498153][ T1] bridge_fdb_cache 19KB 19KB [ 226.504291][ T1] MPTCPv6 30KB 30KB [ 226.548850][ T1] fib6_nodes 228KB 228KB [ 226.554974][ T1] ip6_dst_cache 256KB 513KB [ 226.577507][ T1] RAWv6 338KB 338KB [ 226.583619][ T1] UDPv6 128KB 128KB [ 226.597497][ T1] TCPv6 63KB 63KB [ 226.603690][ T1] nf_conntrack 39KB 39KB [ 226.662840][ T1] wg_peer 152KB 152KB [ 226.717493][ T1] allowedips_node 19KB 19KB [ 226.723610][ T1] t10_alua_lu_gp_cache 3KB 3KB [ 226.787498][ T1] sd_ext_cdb 3KB 3KB [ 226.793609][ T1] scsi_sense_cache 1092KB 1092KB [ 226.847602][ T1] virtio_scsi_cmd 16KB 16KB [ 226.853734][ T1] bio-136 84KB 84KB [ 226.907545][ T1] sgpool-128 29KB 29KB [ 226.913681][ T1] sgpool-64 63KB 63KB [ 226.945867][ T1] sgpool-32 283KB 283KB [ 226.962610][ T1] sgpool-16 97KB 97KB [ 226.973232][ T1] sgpool-8 90KB 90KB [ 226.984814][ T1] bio-224 3KB 3KB [ 226.995386][ T1] mqueue_inode_cache 60KB 60KB [ 227.006674][ T1] f2fs_bio_post_read_ctx 16KB 16KB [ 227.024518][ T1] jfs_mp 7KB 7KB [ 227.033985][ T1] cifs_small_rq 16KB 16KB [ 227.047196][ T1] cifs_request 67KB 67KB [ 227.077549][ T1] cifs_mpx_ids 4KB 4KB [ 227.083687][ T1] nfs_commit_data 15KB 15KB [ 227.092387][ T1] nfs_write_data 47KB 47KB [ 227.099631][ T1] jbd2_inode 7KB 7KB [ 227.105734][ T1] ext4_system_zone 3KB 3KB [ 227.111880][ T1] ext4_io_end_vec 7KB 7KB [ 227.118139][ T1] ext4_bio_post_read_ctx 15KB 15KB [ 227.125373][ T1] pid_namespace 7KB 7KB [ 227.142630][ T1] rpc_buffers 31KB 31KB [ 227.156526][ T1] rpc_tasks 3KB 3KB [ 227.187548][ T1] UNIX-STREAM 288KB 288KB [ 227.193654][ T1] UNIX 278KB 352KB [ 227.207546][ T1] MPTCP 31KB 31KB [ 227.213639][ T1] request_sock_subflow_v4 7KB 7KB [ 227.236608][ T1] tcp_bind_bucket 8KB 8KB [ 227.266560][ T1] ip_fib_trie 36KB 36KB [ 227.306122][ T1] ip_fib_alias 122KB 122KB [ 227.319091][ T1] ip_dst_cache 24KB 24KB [ 227.325798][ T1] RAW 123KB 123KB [ 227.358108][ T1] UDP 154KB 154KB [ 227.377110][ T1] request_sock_TCP 15KB 15KB [ 227.393363][ T1] TCP 60KB 60KB [ 227.403029][ T1] hugetlbfs_inode_cache 30KB 30KB [ 227.415900][ T1] fscache_cookie_jar 15KB 15KB [ 227.458181][ T1] bio-256 11KB 11KB [ 227.469131][ T1] ep_head 16KB 16KB [ 227.508098][ T1] eventpoll_pwq 43KB 43KB [ 227.531987][ T1] eventpoll_epi 74KB 74KB [ 227.547661][ T1] inotify_inode_mark 19KB 19KB [ 227.554034][ T1] bio_crypt_ctx 7KB 7KB [ 227.561290][ T1] request_queue 388KB 541KB [ 227.567443][ T1] blkdev_ioc 22KB 22KB [ 227.585182][ T1] bio-200 262KB 277KB [ 227.602167][ T1] biovec-max 348KB 416KB [ 227.612590][ T1] biovec-64 372KB 425KB [ 227.626553][ T1] biovec-16 82KB 82KB Connection to 10.128.10.17 closed by remote host. [ 227.676635][ T1] bio_integrity_payload 7KB 7KB [ 227.692688][ T1] user_namespace 15KB 15KB [ 227.714939][ T1] uid_cache 7KB 7KB [ 227.730291][ T1] dmaengine-unmap-256 30KB 30KB [ 227.738496][ T1] dmaengine-unmap-128 15KB 15KB [ 227.744763][ T1] dmaengine-unmap-16 4KB 4KB [ 227.760705][ T1] dmaengine-unmap-2 4KB 4KB [ 227.766800][ T1] QIPCRTR 31KB 31KB [ 227.789005][ T1] audit_buffer 3KB 3KB [ 227.795106][ T1] skbuff_ext_cache 56KB 56KB [ 227.826454][ T1] skbuff_fclone_cache 82KB 120KB [ 227.867643][ T1] skbuff_head_cache 20361KB 20475KB [ 227.873766][ T1] configfs_dir_cache 8KB 8KB [ 227.898883][ T1] file_lock_cache 74KB 74KB [ 227.918092][ T1] file_lock_ctx 15KB 15KB [ 227.924201][ T1] fsnotify_mark_connector 16KB 16KB [ 227.967500][ T1] taskstats 15KB 15KB [ 227.973983][ T1] proc_dir_entry 1163KB 1166KB [ 227.987486][ T1] pde_opener 15KB 15KB [ 227.993586][ T1] seq_file 105KB 120KB [ 228.057512][ T1] sigqueue 102KB 122KB [ 228.063637][ T1] shmem_inode_cache 7210KB 7307KB [ 228.105078][ T1] kernfs_iattrs_cache 7KB 7KB [ 228.126129][ T1] kernfs_node_cache 31040KB 31074KB [ 228.166416][ T1] mnt_cache 157KB 189KB [ 228.187512][ T1] filp 339KB 915KB [ 228.193650][ T1] names_cache 1083KB 1372KB [ 228.247487][ T1] net_namespace 132KB 185KB [ 228.253596][ T1] iint_cache 45KB 45KB [ 228.293486][ T1] lsm_inode_cache 1693KB 1892KB [ 228.324696][ T1] lsm_file_cache 97KB 334KB [ 228.350559][ T1] key_jar 15KB 15KB [ 228.356671][ T1] uts_namespace 15KB 15KB [ 228.435218][ T1] nsproxy 15KB 15KB [ 228.467503][ T1] vm_area_struct 454KB 576KB [ 228.473683][ T1] fs_cache 62KB 84KB [ 228.537642][ T1] files_cache 221KB 350KB [ 228.543772][ T1] signal_cache 734KB 1976KB [ 228.597771][ T1] sighand_cache 992KB 992KB [ 228.603896][ T1] task_struct 3279KB 4075KB [ 228.647728][ T1] cred_jar 168KB 420KB [ 228.653863][ T1] anon_vma_chain 247KB 334KB [ 228.697534][ T1] anon_vma 172KB 187KB [ 228.703655][ T1] pid 146KB 345KB [ 228.777638][ T1] Acpi-Operand 207KB 245KB [ 228.783774][ T1] Acpi-ParseExt 23KB 23KB [ 228.847519][ T1] Acpi-Parse 126KB 126KB [ 228.853767][ T1] Acpi-State 196KB 232KB [ 228.915457][ T1] Acpi-Namespace 32KB 32KB [ 228.927494][ T1] numa_policy 3KB 3KB [ 228.933693][ T1] perf_event 31KB 31KB [ 228.995420][ T1] trace_event_file 432KB 432KB [ 229.019720][ T1] ftrace_event_field 548KB 548KB [ 229.026015][ T1] pool_workqueue 256KB 260KB [ 229.087695][ T1] task_group 30KB 30KB [ 229.093904][ T1] mm_struct 162KB 535KB [ 229.147580][ T1] vmap_area 347KB 354KB [ 229.153818][ T1] debug_objects_cache 1804KB 1972KB [ 229.207666][ T1] page->ptl 154KB 228KB [ 229.213947][ T1] kmalloc-cg-8k 2080KB 2080KB [ 229.267486][ T1] kmalloc-cg-4k 5232KB 5264KB [ 229.274740][ T1] kmalloc-cg-2k 1192KB 1252KB [ 229.327515][ T1] kmalloc-cg-1k 842KB 960KB [ 229.333644][ T1] kmalloc-cg-512 1677KB 2144KB [ 229.397722][ T1] kmalloc-cg-256 40KB 40KB [ 229.403855][ T1] kmalloc-cg-192 152KB 152KB [ 229.447486][ T1] kmalloc-cg-128 124KB 124KB [ 229.453603][ T1] kmalloc-cg-96 16KB 16KB [ 229.517509][ T1] kmalloc-cg-64 16KB 16KB [ 229.523631][ T1] kmalloc-cg-32 20KB 20KB [ 229.597611][ T1] kmalloc-cg-16 70KB 168KB [ 229.603905][ T1] kmalloc-cg-8 23KB 23KB [ 229.647489][ T1] kmalloc-8k 10368KB 10624KB [ 229.653688][ T1] kmalloc-4k 151736KB 151856KB [ 229.697584][ T1] kmalloc-2k 25788KB 29504KB [ 229.703706][ T1] kmalloc-1k 41074KB 41112KB [ 229.767518][ T1] kmalloc-512 30162KB 31828KB [ 229.773658][ T1] kmalloc-256 5257KB 5280KB [ 229.817512][ T1] kmalloc-192 1115KB 1672KB [ 229.823675][ T1] kmalloc-128 1619KB 1704KB [ 229.847557][ T1] kmalloc-96 1467KB 1508KB [ 229.853708][ T1] kmalloc-64 3162KB 3908KB [ 229.917507][ T1] kmalloc-32 735KB 780KB [ 229.923853][ T1] kmalloc-16 273KB 340KB [ 229.967493][ T1] kmalloc-8 557KB 605KB [ 229.973614][ T1] kmem_cache_node 203KB 204KB [ 230.035571][ T1] kmem_cache 172KB 172KB [ 230.057518][ T1] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/syz6,task=syz.6.23,pid=4486,uid=0 [ 230.137517][ T1] Out of memory: Killed process 4487 (syz.6.23) total-vm:44820kB, anon-rss:0kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:80kB oom_score_adj:1000 [ 232.290099][ T28] oom_reaper: reaped process 4487 (syz.6.23), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 237.067692][ T4287] Bluetooth: hci0: command 0x0406 tx timeout [ 237.067709][ T4403] Bluetooth: hci1: command 0x0406 tx timeout [ 237.080185][ T4287] Bluetooth: hci4: command 0x0406 tx timeout [ 237.086226][ T4287] Bluetooth: hci2: command 0x0406 tx timeout [ 237.092296][ T4287] Bluetooth: hci3: command 0x0406 tx timeout