.060787][ T12] bridge0: port 2(bridge_slave_1) entered forwarding state [ 234.171460][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 234.199561][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 234.213120][ T7090] veth0_macvtap: entered promiscuous mode [ 234.247859][ T7114] 8021q: adding VLAN 0 to HW filter on device team0 [ 234.290861][ T1163] bridge0: port 1(bridge_slave_0) entered blocking state [ 234.298112][ T1163] bridge0: port 1(bridge_slave_0) entered forwarding state [ 234.352901][ T7090] veth1_macvtap: entered promiscuous mode [ 234.399698][ T7111] veth0_vlan: entered promiscuous mode [ 234.442789][ T1163] bridge0: port 2(bridge_slave_1) entered blocking state [ 234.450023][ T1163] bridge0: port 2(bridge_slave_1) entered forwarding state [ 234.546835][ T7111] veth1_vlan: entered promiscuous mode [ 234.626723][ T7090] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 234.691447][ T7090] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 234.753487][ T129] netdevsim netdevsim8 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 234.768531][ T129] netdevsim netdevsim8 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 2026/03/12 17:04:04 executed programs: 25 [ 234.817760][ T129] netdevsim netdevsim8 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 234.851740][ T129] netdevsim netdevsim8 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 234.915457][ T7111] veth0_macvtap: entered promiscuous mode [ 234.990033][ T7111] veth1_macvtap: entered promiscuous mode [ 235.320764][ T7111] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 235.340776][ T12] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 235.371046][ T12] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 235.490499][ T7111] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 235.521036][ T7113] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 235.542512][ T12] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 235.576796][ T12] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 235.594386][ T129] netdevsim netdevsim6 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 235.623158][ T129] netdevsim netdevsim6 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 235.649830][ T129] netdevsim netdevsim6 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 235.683040][ T129] netdevsim netdevsim6 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 235.827148][ T7114] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 236.089308][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 236.143746][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 236.312303][ T13] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 236.346795][ T13] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 236.781531][ T7113] veth0_vlan: entered promiscuous mode [ 236.881733][ T7113] veth1_vlan: entered promiscuous mode [ 236.978063][ T7114] veth0_vlan: entered promiscuous mode [ 237.046972][ T7114] veth1_vlan: entered promiscuous mode [ 237.163168][ T7113] veth0_macvtap: entered promiscuous mode [ 237.212462][ T7113] veth1_macvtap: entered promiscuous mode [ 237.433883][ T7114] veth0_macvtap: entered promiscuous mode [ 237.467004][ T7113] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 237.519564][ T7113] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 237.539878][ T7114] veth1_macvtap: entered promiscuous mode [ 237.664925][ T7213] netdevsim netdevsim9 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 237.694004][ T7213] netdevsim netdevsim9 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 237.760693][ T7213] netdevsim netdevsim9 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 237.780434][ T7213] netdevsim netdevsim9 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 237.819373][ T7114] batman_adv: batadv0: Interface activated: batadv_slave_0 [ 238.117972][ T7114] batman_adv: batadv0: Interface activated: batadv_slave_1 [ 238.522293][ T49] netdevsim netdevsim7 netdevsim0: set [1, 0] type 2 family 0 port 6081 - 0 [ 238.549458][ T49] netdevsim netdevsim7 netdevsim1: set [1, 0] type 2 family 0 port 6081 - 0 [ 238.832271][ T49] netdevsim netdevsim7 netdevsim2: set [1, 0] type 2 family 0 port 6081 - 0 [ 238.867473][ T49] netdevsim netdevsim7 netdevsim3: set [1, 0] type 2 family 0 port 6081 - 0 [ 240.949447][ T49] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 240.981307][ T49] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 241.209553][ T58] wlan0: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 241.239323][ T58] wlan0: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 241.350472][ T7213] wlan1: Created IBSS using preconfigured BSSID 50:50:50:50:50:50 [ 241.388826][ T7213] wlan1: Creating new IBSS network, BSSID 50:50:50:50:50:50 [ 242.458463][ T5148] Bluetooth: hci0: command 0x0406 tx timeout [ 242.469534][ T5148] Bluetooth: hci4: command 0x0406 tx timeout [ 242.475772][ T5148] Bluetooth: hci3: command 0x0406 tx timeout [ 242.481886][ T5148] Bluetooth: hci2: command 0x0406 tx timeout [ 243.684644][ T7113] syz-executor invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 [ 243.871404][ T7113] CPU: 1 UID: 0 PID: 7113 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 243.871432][ T7113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 243.871442][ T7113] Call Trace: [ 243.871449][ T7113] [ 243.871457][ T7113] dump_stack_lvl+0xe8/0x150 [ 243.871486][ T7113] dump_header+0xd3/0x4c0 [ 243.871512][ T7113] oom_kill_process+0x3ab/0x970 [ 243.871540][ T7113] out_of_memory+0x1141/0x1410 [ 243.871575][ T7113] ? __pfx_out_of_memory+0x10/0x10 [ 243.871607][ T7113] __alloc_pages_may_oom+0x1ea/0x330 [ 243.871631][ T7113] ? lockdep_hardirqs_on+0x7a/0x110 [ 243.871652][ T7113] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 243.871672][ T7113] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 243.871715][ T7113] __alloc_pages_slowpath+0x6c2/0xd40 [ 243.871754][ T7113] __alloc_frozen_pages_noprof+0x322/0x380 [ 243.871777][ T7113] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 243.871800][ T7113] ? __pfx_policy_nodemask+0x10/0x10 [ 243.871828][ T7113] alloc_pages_mpol+0x232/0x4a0 [ 243.871857][ T7113] alloc_pages_noprof+0xac/0x2a0 [ 243.871878][ T7113] folio_alloc_noprof+0x1e/0x30 [ 243.871897][ T7113] filemap_alloc_folio_noprof+0x111/0x470 [ 243.871926][ T7113] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 243.871969][ T7113] __filemap_get_folio_mpol+0x3fc/0xb00 [ 243.872002][ T7113] filemap_fault+0x9ac/0x1320 [ 243.872039][ T7113] ? __pfx_filemap_fault+0x10/0x10 [ 243.872066][ T7113] ? __pfx_filemap_map_pages+0x10/0x10 [ 243.872091][ T7113] __do_fault+0x3e7/0x590 [ 243.872113][ T7113] ? do_pte_missing+0x127b/0x34f0 [ 243.872129][ T7113] do_pte_missing+0x2233/0x34f0 [ 243.872158][ T7113] ? handle_mm_fault+0xee/0x3170 [ 243.872186][ T7113] handle_mm_fault+0x1bd7/0x3170 [ 243.872222][ T7113] ? handle_mm_fault+0xee/0x3170 [ 243.872252][ T7113] ? __pfx_handle_mm_fault+0x10/0x10 [ 243.872272][ T7113] ? lock_vma_under_rcu+0x45a/0x500 [ 243.872322][ T7113] do_user_addr_fault+0xa73/0x1340 [ 243.872353][ T7113] ? rcu_is_watching+0x15/0xb0 [ 243.872371][ T7113] ? trace_page_fault_user+0x84/0x210 [ 243.872397][ T7113] exc_page_fault+0x6a/0xc0 [ 243.872416][ T7113] asm_exc_page_fault+0x26/0x30 [ 243.872433][ T7113] RIP: 0033:0x7fa76b9560f8 [ 243.872457][ T7113] Code: Unable to access opcode bytes at 0x7fa76b9560ce. [ 243.872465][ T7113] RSP: 002b:00007fff31bd39e0 EFLAGS: 00010246 [ 243.872481][ T7113] RAX: 0000000000000000 RBX: 0000555586ff5500 RCX: 00007fa76b95b7ce [ 243.872494][ T7113] RDX: 00007fff31bd3a30 RSI: 0000000000000000 RDI: 0000000000000000 [ 243.872505][ T7113] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 243.872514][ T7113] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000050012 [ 243.872525][ T7113] R13: 00007fff31bd3a80 R14: 0000000000000025 R15: 00007fa76c734620 [ 243.872555][ T7113] [ 243.872561][ T7113] Mem-Info: [ 244.183255][ T7113] active_anon:5601 inactive_anon:7844 isolated_anon:0 [ 244.183255][ T7113] active_file:0 inactive_file:47 isolated_file:0 [ 244.183255][ T7113] unevictable:768 dirty:0 writeback:0 [ 244.183255][ T7113] slab_reclaimable:8382 slab_unreclaimable:142660 [ 244.183255][ T7113] mapped:2 shmem:808 pagetables:3520 [ 244.183255][ T7113] sec_pagetables:0 bounce:0 [ 244.183255][ T7113] kernel_misc_reclaimable:0 [ 244.183255][ T7113] free:50335 free_pcp:654 free_cma:0 [ 244.253811][ T7113] Node 0 active_anon:10744kB inactive_anon:26844kB active_file:0kB inactive_file:180kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1684kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14752kB pagetables:11744kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 244.308369][ T7113] Node 1 active_anon:15200kB inactive_anon:992kB active_file:0kB inactive_file:304kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1548kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 244.504808][ T7113] Node 0 DMA free:10044kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:4kB inactive_anon:36kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 244.625393][ T7113] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 244.631414][ T7113] Node 0 DMA32 free:20304kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:10740kB inactive_anon:26808kB active_file:0kB inactive_file:180kB unevictable:1536kB writepending:0kB zspages:2616kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:2104kB local_pcp:456kB free_cma:0kB [ 244.665134][ T7113] lowmem_reserve[]: 0 0 0 0 0 [ 244.669905][ T7113] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 244.722633][ T7113] lowmem_reserve[]: 0 0 0 0 0 [ 244.727689][ T7113] Node 1 Normal free:163276kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:15200kB inactive_anon:992kB active_file:0kB inactive_file:36kB unevictable:1536kB writepending:0kB zspages:38204kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:336kB local_pcp:208kB free_cma:0kB [ 244.761283][ T7113] lowmem_reserve[]: 0 0 0 0 0 [ 244.767523][ T7113] Node 0 DMA: 1*4kB (M) 1*8kB (U) 3*16kB (UM) 0*32kB 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10044kB [ 244.799873][ T7113] Node 0 DMA32: 485*4kB (M) 529*8kB (ME) 341*16kB (UME) 171*32kB (UME) 36*64kB (UME) 7*128kB (UME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 20300kB [ 244.820261][ T7113] 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 [ 244.831870][ T7113] Node 1 Normal: 403*4kB (UME) 358*8kB (UME) 312*16kB (UME) 207*32kB (ME) 126*64kB (ME) 55*128kB (UME) 14*256kB (ME) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (M) 30*4096kB (U) = 162780kB [ 244.886172][ T7113] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.896058][ T7113] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 244.906654][ T7113] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 244.916469][ T7113] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 244.946443][ T7113] 1077 total pagecache pages [ 244.951200][ T7113] 177 pages in swap cache [ 244.955664][ T7113] Free swap = 56kB [ 244.959481][ T7113] Total swap = 124996kB [ 244.963778][ T7113] 2097051 pages RAM [ 244.967879][ T7113] 0 pages HighMem/MovableOnly [ 244.972560][ T7113] 429236 pages reserved [ 244.976879][ T7113] 0 pages cma reserved [ 244.980990][ T7113] Unreclaimable slab info: [ 245.002128][ T7113] Name Used Total [ 245.010035][ T7113] pid_2 29KB 39KB [ 245.016527][ T7113] bio-464 17KB 22KB [ 245.026736][ T7113] bio-528 19KB 31KB [ 245.048477][ T7113] bio-544 19KB 31KB [ 245.055008][ T7113] bio-552 19KB 31KB [ 245.061122][ T7113] zswap_entry 2868KB 2885KB [ 245.067386][ T7113] batadv_tt_change_cache 5KB 8KB [ 245.073967][ T7113] batadv_tl_cache 22KB 24KB [ 245.080060][ T7113] TIPC 68KB 92KB [ 245.103747][ T7113] SCTPv6 87KB 90KB [ 245.109886][ T7113] RXRPC 76KB 96KB [ 245.116459][ T7113] rxrpc_call_jar 397KB 446KB [ 245.126776][ T7113] net_bridge_fdb_entry 53KB 59KB [ 245.133169][ T7113] MPTCPv6 35KB 63KB [ 245.156717][ T7113] fib6_node 581KB 584KB [ 245.162875][ T7113] ip6_dst_cache 939KB 956KB [ 245.169428][ T7113] RAWv6 189KB 216KB [ 245.177020][ T7113] UDPv6 240KB 283KB [ 245.184242][ T7113] tw_sock_TCPv6 9KB 15KB [ 245.190429][ T7113] TCPv6 131KB 151KB [ 245.212122][ T7113] wg_peer 328KB 358KB [ 245.218547][ T7113] allowedips_node 41KB 43KB [ 245.228914][ T7113] t10_alua_lu_gp_cache 8KB 11KB [ 245.235365][ T7113] scsi_sense_cache 1318KB 1332KB [ 245.241448][ T7113] virtio_scsi_cmd 21KB 24KB [ 245.265884][ T7113] bio-136 64KB 76KB [ 245.272069][ T7113] bio-264 10KB 15KB [ 245.278742][ T7113] mqueue_inode_cache 43KB 60KB [ 245.285091][ T7113] f2fs_bio_post_read_ctx 30KB 31KB [ 245.291717][ T7113] jfs_mp 14KB 15KB [ 245.298000][ T7113] cifs_small_rq 28KB 32KB [ 245.322253][ T7113] cifs_request 67KB 67KB [ 245.333165][ T7113] cifs_mpx_ids 8KB 11KB [ 245.339631][ T7113] cifs_io_subrequest 42KB 47KB [ 245.346192][ T7113] cifs_io_request 105KB 111KB [ 245.352348][ T7113] nfs_commit_data 24KB 31KB [ 245.375002][ T7113] nfs_write_data 38KB 47KB [ 245.381233][ T7113] jbd2_inode 9KB 11KB [ 245.387743][ T7113] ext4_system_zone 1KB 3KB [ 245.394066][ T7113] ext4_io_end_vec 4KB 7KB [ 245.400436][ T7113] zspage 1037KB 1067KB [ 245.411986][ T7113] zs_handle 1052KB 2440KB [ 245.440405][ T7113] pid_namespace 19KB 46KB [ 245.446617][ T7113] kvm_gmem_inode_cache 15KB 15KB [ 245.452979][ T7113] rpc_buffers 25KB 31KB [ 245.459216][ T7113] rpc_tasks 8KB 11KB [ 245.465433][ T7113] UNIX-STREAM 61KB 214KB [ 245.471522][ T7113] UNIX 1251KB 1439KB [ 245.504093][ T7113] MPTCP 30KB 61KB [ 245.510242][ T7113] request_sock_subflow_v4 12KB 15KB [ 245.516952][ T7113] tcp_bind2_bucket 9KB 16KB [ 245.523036][ T7113] tcp_bind_bucket 15KB 16KB [ 245.529319][ T7113] ip_fib_trie 80KB 84KB [ 245.539625][ T7113] ip_fib_alias 293KB 296KB [ 245.560952][ T7113] rtable 45KB 52KB [ 245.567448][ T7113] RAW 45KB 63KB [ 245.573552][ T7113] UDP 269KB 320KB [ 245.581264][ T7113] request_sock_TCP 19KB 23KB [ 245.588907][ T7113] TCP 130KB 175KB [ 245.611697][ T7113] fs_bio_integrity 7KB 8KB [ 245.617890][ T7113] hugetlbfs_inode_cache 15KB 15KB [ 245.624492][ T7113] netfs_subrequest 35KB 37KB [ 245.630606][ T7113] netfs_request 105KB 111KB [ 245.641416][ T7113] bio-280 21KB 23KB [ 245.662737][ T7113] ep_head 3KB 16KB [ 245.668975][ T7113] eventpoll_pwq 10KB 15KB [ 245.675202][ T7113] eventpoll_epi 33KB 39KB [ 245.681406][ T7113] inotify_inode_mark 22KB 31KB [ 245.687708][ T7113] sgpool-128 17KB 29KB [ 245.708526][ T7113] sgpool-64 240KB 318KB [ 245.715056][ T7113] sgpool-32 70KB 110KB [ 245.721182][ T7113] sgpool-16 28KB 45KB [ 245.728374][ T7113] sgpool-8 34KB 52KB [ 245.734626][ T7113] bio_crypt_ctx 9KB 11KB [ 245.824737][ T7113] bio_integrity_data 7KB 8KB [ 245.830975][ T7113] request_queue 197KB 309KB [ 245.837148][ T7113] blkdev_ioc 8KB 11KB [ 245.866141][ T7113] bio-200 150KB 161KB [ 245.879463][ T7113] biovec-max 314KB 357KB [ 245.892979][ T7113] biovec-128 167KB 289KB [ 245.919985][ T7113] biovec-64 103KB 126KB [ 245.932740][ T7113] biovec-16 25KB 26KB [ 245.946171][ T7113] user_namespace 28KB 30KB [ 245.952323][ T7113] uid_cache 13KB 18KB [ 245.982257][ T7113] dmaengine-unmap-256 26KB 30KB [ 245.996788][ T7113] dmaengine-unmap-128 14KB 15KB [ 246.005921][ T7113] dmaengine-unmap-16 7KB 8KB [ 246.012136][ T7113] dmaengine-unmap-2 3KB 4KB [ 246.064597][ T7113] QIPCRTR 18KB 31KB [ 246.070762][ T7113] audit_buffer 11KB 11KB [ 246.093238][ T7113] skbuff_ext_cache 37KB 60KB [ 246.104980][ T7113] skbuff_small_head 12821KB 12845KB [ 246.117699][ T7113] skbuff_fclone_cache 26KB 45KB [ 246.232028][ T7113] skbuff_head_cache 12125KB 12127KB [ 246.238264][ T7113] configfs_dir_cache 15KB 16KB [ 246.267712][ T7113] file_lock_cache 7KB 15KB [ 246.297767][ T7113] file_lock_ctx 20KB 23KB [ 246.328105][ T7113] fsnotify_inode_mark_connector 19KB 27KB [ 246.335411][ T7113] taskstats 61KB 63KB [ 246.341530][ T7113] mem_cgroup_per_node 72KB 92KB [ 246.349402][ T7113] mem_cgroup 78KB 87KB [ 246.377636][ T7113] proc_dir_entry 1626KB 1631KB [ 246.383880][ T7113] pde_opener 4KB 15KB [ 246.389974][ T7113] seq_file 50KB 71KB [ 246.396220][ T7113] sigqueue 36KB 43KB [ 246.402331][ T7113] shmem_inode_cache 7481KB 7555KB [ 246.408482][ T7113] kernfs_iattrs_cache 12KB 15KB [ 246.431573][ T7113] kernfs_node_cache 45499KB 45720KB [ 246.437768][ T7113] mnt_cache 246KB 271KB [ 246.449156][ T7113] filp 779KB 1141KB [ 246.459447][ T7113] names_cache 391KB 428KB [ 246.482537][ T7113] net_namespace 222KB 261KB [ 246.488993][ T7113] ima_iint_cache 13KB 35KB [ 246.495317][ T7113] lsm_inode_cache 1810KB 2071KB [ 246.501444][ T7113] lsm_file_cache 227KB 336KB [ 246.507767][ T7113] key_jar 24KB 31KB [ 246.531279][ T7113] uts_namespace 68KB 77KB [ 246.537497][ T7113] nsproxy 6KB 15KB [ 246.543592][ T7113] vm_area_struct 1296KB 1500KB [ 246.549871][ T7113] fs_cache 27KB 56KB [ 246.560463][ T7113] files_cache 100KB 302KB [ 246.582092][ T7113] signal_cache 1060KB 2033KB [ 246.588291][ T7113] sighand_cache 1352KB 2435KB [ 246.594520][ T7113] task_struct 4605KB 4941KB [ 246.600644][ T7113] cred 176KB 352KB [ 246.607664][ T7113] anon_vma_chain 260KB 354KB [ 246.630582][ T7113] anon_vma 370KB 498KB [ 246.636800][ T7113] pid 186KB 345KB [ 246.642987][ T7113] Acpi-Operand 112KB 198KB [ 246.650696][ T7113] Acpi-ParseExt 4KB 23KB [ 246.656890][ T7113] Acpi-Parse 8KB 23KB [ 246.682648][ T7113] Acpi-State 4KB 23KB [ 246.689712][ T7113] Acpi-Namespace 26KB 32KB [ 246.696031][ T7113] numa_policy 2KB 3KB [ 246.702152][ T7113] perf_event 15KB 31KB [ 246.708300][ T7113] trace_event_file 540KB 540KB [ 246.728745][ T7113] ftrace_event_field 1026KB 1027KB [ 246.735029][ T7113] pool_workqueue 1032KB 1072KB [ 246.741124][ T7113] task_group 49KB 63KB [ 246.747354][ T7113] maple_node 2211KB 3280KB [ 246.753554][ T7113] mm_struct 318KB 765KB [ 246.759737][ T7113] vmap_area 320KB 352KB [ 246.790019][ T7113] debug_objects_cache 4382KB 4551KB [ 246.796399][ T7113] page->ptl 101KB 161KB [ 246.802482][ T7113] kmalloc-cg-8k 4208KB 4512KB [ 246.808821][ T7113] kmalloc-cg-4k 48160KB 48800KB [ 246.814986][ T7113] kmalloc-cg-2k 28948KB 29504KB [ 246.821072][ T7113] kmalloc-cg-1k 7362KB 7488KB [ 246.844239][ T7113] kmalloc-cg-512 4101KB 4192KB [ 246.850411][ T7113] kmalloc-cg-256 1230KB 1256KB [ 246.856581][ T7113] kmalloc-cg-128 754KB 760KB [ 246.867167][ T7113] kmalloc-cg-64 149KB 160KB [ 246.873309][ T7113] kmalloc-cg-32 51KB 200KB [ 246.879554][ T7113] kmalloc-cg-16 6KB 12KB [ 246.901663][ T7113] kmalloc-cg-8 57KB 72KB [ 246.907923][ T7113] kmalloc-cg-192 99KB 104KB [ 246.914129][ T7113] kmalloc-cg-96 97KB 100KB [ 246.920345][ T7113] kmalloc-8k 15776KB 16160KB [ 246.928250][ T7113] kmalloc-4k 180472KB 180576KB [ 246.950188][ T7113] kmalloc-2k 21868KB 22600KB [ 246.956587][ T7113] kmalloc-1k 45138KB 45160KB [ 246.962712][ T7113] kmalloc-512 22838KB 23012KB [ 246.973397][ T7113] kmalloc-256 7558KB 7564KB [ 246.979612][ T7113] kmalloc-128 2508KB 2544KB [ 247.003522][ T7113] kmalloc-64 4104KB 4240KB [ 247.011726][ T7113] kmalloc-32 4317KB 4468KB [ 247.018033][ T7113] kmalloc-16 489KB 496KB [ 247.024239][ T7113] kmalloc-8 609KB 624KB [ 247.030334][ T7113] kmalloc-192 3124KB 3228KB [ 247.051427][ T7113] kmalloc-96 3171KB 3172KB [ 247.058009][ T7113] kmem_cache_node 212KB 220KB [ 247.064238][ T7113] kmem_cache 176KB 195KB [ 247.074601][ T7113] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor,pid=7113,uid=0 [ 247.105215][ T7113] Out of memory (oom_kill_allocating_task): Killed process 7113 (syz-executor) total-vm:44804kB, anon-rss:1212kB, file-rss:0kB, shmem-rss:0kB, UID:0 pgtables:56kB oom_score_adj:0 [ 247.133031][ T5197] udevd invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=-1000 [ 247.175566][ T5197] CPU: 0 UID: 0 PID: 5197 Comm: udevd Not tainted syzkaller #0 PREEMPT(full) [ 247.175593][ T5197] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 247.175603][ T5197] Call Trace: [ 247.175611][ T5197] [ 247.175618][ T5197] dump_stack_lvl+0xe8/0x150 [ 247.175647][ T5197] dump_header+0xd3/0x4c0 [ 247.175671][ T5197] oom_kill_process+0x3ab/0x970 [ 247.175698][ T5197] out_of_memory+0x106c/0x1410 [ 247.175733][ T5197] ? __pfx_out_of_memory+0x10/0x10 [ 247.175763][ T5197] __alloc_pages_may_oom+0x1ea/0x330 [ 247.175787][ T5197] ? lockdep_hardirqs_on+0x7a/0x110 [ 247.175811][ T5197] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 247.175832][ T5197] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 247.175871][ T5197] __alloc_pages_slowpath+0x6c2/0xd40 [ 247.175909][ T5197] __alloc_frozen_pages_noprof+0x322/0x380 [ 247.175931][ T5197] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 247.175954][ T5197] ? __pfx_policy_nodemask+0x10/0x10 [ 247.175983][ T5197] alloc_pages_mpol+0x232/0x4a0 [ 247.176007][ T5197] alloc_pages_noprof+0xac/0x2a0 [ 247.176029][ T5197] folio_alloc_noprof+0x1e/0x30 [ 247.176047][ T5197] filemap_alloc_folio_noprof+0x111/0x470 [ 247.176075][ T5197] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 247.176108][ T5197] __filemap_get_folio_mpol+0x3fc/0xb00 [ 247.176142][ T5197] filemap_fault+0x9ac/0x1320 [ 247.176176][ T5197] ? __pfx_filemap_fault+0x10/0x10 [ 247.176203][ T5197] ? __pfx_filemap_map_pages+0x10/0x10 [ 247.176229][ T5197] __do_fault+0x3e7/0x590 [ 247.176250][ T5197] ? do_pte_missing+0x127b/0x34f0 [ 247.176266][ T5197] do_pte_missing+0x2233/0x34f0 [ 247.176293][ T5197] ? handle_mm_fault+0xee/0x3170 [ 247.176320][ T5197] handle_mm_fault+0x1bd7/0x3170 [ 247.176357][ T5197] ? handle_mm_fault+0xee/0x3170 [ 247.176387][ T5197] ? __pfx_handle_mm_fault+0x10/0x10 [ 247.176407][ T5197] ? lock_vma_under_rcu+0x45a/0x500 [ 247.176468][ T5197] do_user_addr_fault+0xa73/0x1340 [ 247.176499][ T5197] ? rcu_is_watching+0x15/0xb0 [ 247.176517][ T5197] ? trace_page_fault_user+0x84/0x210 [ 247.176547][ T5197] exc_page_fault+0x6a/0xc0 [ 247.176565][ T5197] asm_exc_page_fault+0x26/0x30 [ 247.176582][ T5197] RIP: 0033:0x7f0fe6977ac0 [ 247.176605][ T5197] Code: Unable to access opcode bytes at 0x7f0fe6977a96. [ 247.176614][ T5197] RSP: 002b:00007ffe33039698 EFLAGS: 00010246 [ 247.176629][ T5197] RAX: 0000557b1c952f10 RBX: 0000000000000104 RCX: 00000000000001c8 [ 247.176642][ T5197] RDX: 00000000000001c8 RSI: 0000000000000000 RDI: 0000557b1c952f10 [ 247.176653][ T5197] RBP: 0000557b1c935910 R08: 0000000000000008 R09: 0000000000000000 [ 247.176664][ T5197] R10: 0000000000000000 R11: 0000000000000202 R12: 00007ffe33039835 [ 247.176675][ T5197] R13: 00000000000000bf R14: 00007ffe3303973c R15: 0000000000000000 [ 247.176703][ T5197] [ 247.176729][ T5197] Mem-Info: [ 247.476080][ T5197] active_anon:7030 inactive_anon:6399 isolated_anon:0 [ 247.476080][ T5197] active_file:2 inactive_file:93 isolated_file:0 [ 247.476080][ T5197] unevictable:768 dirty:0 writeback:0 [ 247.476080][ T5197] slab_reclaimable:8382 slab_unreclaimable:153149 [ 247.476080][ T5197] mapped:2 shmem:808 pagetables:3520 [ 247.476080][ T5197] sec_pagetables:0 bounce:0 [ 247.476080][ T5197] kernel_misc_reclaimable:0 [ 247.476080][ T5197] free:39387 free_pcp:1155 free_cma:0 [ 247.678501][ T5197] Node 0 active_anon:27028kB inactive_anon:10520kB active_file:64kB inactive_file:140kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1684kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14752kB pagetables:11744kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 247.737888][ T5197] Node 1 active_anon:15040kB inactive_anon:1128kB active_file:24kB inactive_file:84kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1548kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 247.778475][ T5197] Node 0 DMA free:10044kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:36kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 247.848089][ T5197] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 247.855727][ T5197] Node 0 DMA32 free:21512kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:10740kB inactive_anon:26768kB active_file:136kB inactive_file:44kB unevictable:1536kB writepending:0kB zspages:2616kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 247.916297][ T5197] lowmem_reserve[]: 0 0 0 0 0 [ 247.924180][ T5197] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 247.996562][ T5197] lowmem_reserve[]: 0 0 0 0 0 [ 248.001370][ T5197] Node 1 Normal free:125252kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:1092kB inactive_anon:15076kB active_file:0kB inactive_file:116kB unevictable:1536kB writepending:0kB zspages:38204kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:1048kB local_pcp:524kB free_cma:0kB [ 248.062974][ T5197] lowmem_reserve[]: 0 0 0 0 0 [ 248.075111][ T5197] Node 0 DMA: 1*4kB (M) 1*8kB (U) 3*16kB (UM) 0*32kB 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10044kB [ 248.090936][ T5197] Node 0 DMA32: 1*4kB (M) 40*8kB (M) 339*16kB (ME) 156*32kB (ME) 31*64kB (ME) 6*128kB (ME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 13492kB [ 248.129438][ T5197] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 248.141207][ T5197] Node 1 Normal: 340*4kB (ME) 340*8kB (UME) 312*16kB (ME) 208*32kB (UME) 127*64kB (UME) 54*128kB (ME) 15*256kB (UME) 1*512kB (M) 2*1024kB (UM) 2*2048kB (UM) 20*4096kB (U) = 123184kB [ 248.159512][ T5197] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.169323][ T5197] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 248.202432][ T5197] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 248.212404][ T5197] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 248.221866][ T5197] 1077 total pagecache pages [ 248.226556][ T5197] 177 pages in swap cache [ 248.230894][ T5197] Free swap = 56kB [ 248.248756][ T5197] Total swap = 124996kB [ 248.252963][ T5197] 2097051 pages RAM [ 248.256844][ T5197] 0 pages HighMem/MovableOnly [ 248.261528][ T5197] 429236 pages reserved [ 248.265803][ T5197] 0 pages cma reserved [ 248.269903][ T5197] Unreclaimable slab info: [ 248.274505][ T5197] Name Used Total [ 248.280790][ T5197] pid_2 29KB 39KB [ 248.311376][ T5197] bio-464 17KB 22KB [ 248.317550][ T5197] bio-528 19KB 31KB [ 248.323682][ T5197] bio-544 19KB 31KB [ 248.329774][ T5197] bio-552 19KB 31KB [ 248.336004][ T5197] zswap_entry 2868KB 2885KB [ 248.342241][ T5197] batadv_tt_change_cache 5KB 8KB [ 248.348880][ T5197] batadv_tl_cache 22KB 24KB [ 248.374518][ T5197] TIPC 68KB 92KB [ 248.380674][ T5197] SCTPv6 87KB 90KB [ 248.386950][ T5197] RXRPC 76KB 96KB [ 248.393107][ T5197] rxrpc_call_jar 397KB 446KB [ 248.404736][ T5197] net_bridge_fdb_entry 53KB 59KB [ 248.411131][ T5197] MPTCPv6 35KB 63KB [ 248.417276][ T5197] fib6_node 581KB 584KB [ 248.423364][ T5197] ip6_dst_cache 963KB 971KB [ 248.447450][ T5197] RAWv6 189KB 216KB [ 248.453601][ T5197] UDPv6 240KB 283KB [ 248.459750][ T5197] tw_sock_TCPv6 9KB 15KB [ 248.465975][ T5197] TCPv6 131KB 151KB [ 248.472136][ T5197] wg_peer 328KB 358KB [ 248.478366][ T5197] allowedips_node 41KB 43KB [ 248.507079][ T5197] t10_alua_lu_gp_cache 8KB 11KB [ 248.513469][ T5197] scsi_sense_cache 1318KB 1332KB [ 248.519590][ T5197] virtio_scsi_cmd 21KB 24KB [ 248.525981][ T5197] bio-136 64KB 76KB [ 248.532297][ T5197] bio-264 10KB 15KB [ 248.538976][ T5197] mqueue_inode_cache 43KB 60KB [ 248.561599][ T5197] f2fs_bio_post_read_ctx 30KB 31KB [ 248.568293][ T5197] jfs_mp 14KB 15KB [ 248.574726][ T5197] cifs_small_rq 28KB 32KB [ 248.580833][ T5197] cifs_request 67KB 67KB [ 248.587028][ T5197] cifs_mpx_ids 8KB 11KB [ 248.593106][ T5197] cifs_io_subrequest 42KB 47KB [ 248.623058][ T5197] cifs_io_request 105KB 111KB [ 248.629282][ T5197] nfs_commit_data 24KB 31KB [ 248.635480][ T5197] nfs_write_data 38KB 47KB [ 248.641629][ T5197] jbd2_inode 9KB 11KB [ 248.647977][ T5197] ext4_system_zone 1KB 3KB [ 248.671302][ T5197] ext4_io_end_vec 4KB 7KB [ 248.677503][ T5197] zspage 1037KB 1067KB [ 248.686720][ T5197] zs_handle 1052KB 2440KB [ 248.693565][ T5197] pid_namespace 19KB 46KB [ 248.699748][ T5197] kvm_gmem_inode_cache 15KB 15KB [ 248.727083][ T5197] rpc_buffers 25KB 31KB [ 248.733203][ T5197] rpc_tasks 8KB 11KB [ 248.739465][ T5197] UNIX-STREAM 61KB 214KB [ 248.746630][ T5197] UNIX 1179KB 1408KB [ 248.752759][ T5197] MPTCP 30KB 61KB [ 248.758946][ T5197] request_sock_subflow_v4 12KB 15KB [ 248.782229][ T5197] tcp_bind2_bucket 9KB 16KB [ 248.788399][ T5197] tcp_bind_bucket 15KB 16KB [ 248.794611][ T5197] ip_fib_trie 80KB 84KB [ 248.800728][ T5197] ip_fib_alias 293KB 296KB [ 248.806871][ T5197] rtable 45KB 52KB [ 248.834342][ T5197] RAW 45KB 63KB [ 248.840486][ T5197] UDP 269KB 320KB [ 248.847816][ T5197] request_sock_TCP 19KB 23KB [ 248.854470][ T5197] TCP 130KB 175KB [ 248.860818][ T5197] fs_bio_integrity 7KB 8KB [ 248.866966][ T5197] hugetlbfs_inode_cache 15KB 15KB [ 248.873444][ T5197] netfs_subrequest 35KB 37KB [ 248.896508][ T5197] netfs_request 105KB 111KB [ 248.902621][ T5197] bio-280 21KB 23KB [ 248.908778][ T5197] ep_head 3KB 16KB [ 248.920203][ T5197] eventpoll_pwq 10KB 15KB [ 248.926398][ T5197] eventpoll_epi 33KB 39KB [ 248.932523][ T5197] inotify_inode_mark 22KB 31KB [ 248.955829][ T5197] sgpool-128 17KB 29KB [ 248.961955][ T5197] sgpool-64 240KB 318KB [ 248.968109][ T5197] sgpool-32 70KB 110KB [ 248.974298][ T5197] sgpool-16 28KB 45KB [ 248.980625][ T5197] sgpool-8 34KB 52KB [ 248.986754][ T5197] bio_crypt_ctx 9KB 11KB [ 248.992924][ T5197] bio_integrity_data 7KB 8KB [ 249.021106][ T5197] request_queue 197KB 309KB [ 249.027311][ T5197] blkdev_ioc 8KB 11KB [ 249.033395][ T5197] bio-200 150KB 161KB [ 249.039709][ T5197] biovec-max 314KB 357KB [ 249.045984][ T5197] biovec-128 167KB 289KB [ 249.052090][ T5197] biovec-64 103KB 126KB [ 249.074067][ T5197] biovec-16 25KB 26KB [ 249.080279][ T5197] user_namespace 28KB 30KB [ 249.086418][ T5197] uid_cache 13KB 18KB [ 249.092506][ T5197] dmaengine-unmap-256 26KB 30KB [ 249.098877][ T5197] dmaengine-unmap-128 14KB 15KB [ 249.105219][ T5197] dmaengine-unmap-16 7KB 8KB [ 249.111393][ T5197] dmaengine-unmap-2 3KB 4KB [ 249.138778][ T5197] QIPCRTR 18KB 31KB [ 249.145411][ T5197] audit_buffer 11KB 11KB [ 249.151507][ T5197] skbuff_ext_cache 37KB 60KB [ 249.157883][ T5197] skbuff_small_head 14667KB 14698KB [ 249.164223][ T5197] skbuff_fclone_cache 26KB 45KB [ 249.170603][ T5197] skbuff_head_cache 13931KB 13935KB [ 249.193988][ T5197] configfs_dir_cache 15KB 16KB [ 249.200212][ T5197] file_lock_cache 7KB 15KB [ 249.206340][ T5197] file_lock_ctx 20KB 23KB [ 249.212416][ T5197] fsnotify_inode_mark_connector 19KB 27KB [ 249.225334][ T5197] taskstats 61KB 63KB [ 249.231482][ T5197] mem_cgroup_per_node 72KB 92KB [ 249.237781][ T5197] mem_cgroup 78KB 87KB [ 249.261669][ T5197] proc_dir_entry 1626KB 1631KB [ 249.267969][ T5197] pde_opener 3KB 15KB [ 249.274254][ T5197] seq_file 49KB 71KB [ 249.280361][ T5197] sigqueue 36KB 43KB [ 249.286515][ T5197] shmem_inode_cache 7481KB 7555KB [ 249.292602][ T5197] kernfs_iattrs_cache 12KB 15KB [ 249.312743][ T5197] kernfs_node_cache 45499KB 45720KB [ 249.318898][ T5197] mnt_cache 246KB 271KB [ 249.335203][ T5197] filp 752KB 1141KB [ 249.341351][ T5197] names_cache 381KB 424KB [ 249.348023][ T5197] net_namespace 222KB 261KB [ 249.368960][ T5197] ima_iint_cache 13KB 35KB [ 249.376186][ T5197] lsm_inode_cache 1807KB 2071KB [ 249.382322][ T5197] lsm_file_cache 219KB 336KB [ 249.388511][ T5197] key_jar 24KB 31KB [ 249.394646][ T5197] uts_namespace 68KB 77KB [ 249.400732][ T5197] nsproxy 6KB 15KB [ 249.430789][ T5197] vm_area_struct 1243KB 1440KB [ 249.436995][ T5197] fs_cache 27KB 56KB [ 249.443168][ T5197] files_cache 98KB 302KB [ 249.449406][ T5197] signal_cache 1058KB 2033KB [ 249.455545][ T5197] sighand_cache 1348KB 2435KB [ 249.461633][ T5197] task_struct 4597KB 4941KB [ 249.483393][ T5197] cred 175KB 352KB [ 249.490632][ T5197] anon_vma_chain 254KB 354KB [ 249.496906][ T5197] anon_vma 360KB 498KB [ 249.503035][ T5197] pid 185KB 345KB [ 249.509172][ T5197] Acpi-Operand 112KB 198KB [ 249.536720][ T5197] Acpi-ParseExt 4KB 23KB [ 249.542854][ T5197] Acpi-Parse 8KB 23KB [ 249.549043][ T5197] Acpi-State 4KB 23KB [ 249.555232][ T5197] Acpi-Namespace 26KB 32KB [ 249.561351][ T5197] numa_policy 2KB 3KB [ 249.568015][ T5197] perf_event 15KB 31KB [ 249.591007][ T5197] trace_event_file 540KB 540KB [ 249.597362][ T5197] ftrace_event_field 1026KB 1027KB [ 249.603572][ T5197] pool_workqueue 1032KB 1072KB [ 249.609808][ T5197] task_group 49KB 63KB [ 249.616008][ T5197] maple_node 2023KB 3096KB [ 249.622274][ T5197] mm_struct 312KB 765KB [ 249.653106][ T5197] vmap_area 320KB 352KB [ 249.659340][ T5197] debug_objects_cache 4382KB 4551KB [ 249.665731][ T5197] page->ptl 99KB 161KB [ 249.671854][ T5197] kmalloc-cg-8k 4208KB 4512KB [ 249.678041][ T5197] kmalloc-cg-4k 48128KB 48800KB [ 249.700562][ T5197] kmalloc-cg-2k 28936KB 29504KB [ 249.706886][ T5197] kmalloc-cg-1k 7350KB 7488KB [ 249.713021][ T5197] kmalloc-cg-512 4100KB 4192KB [ 249.719422][ T5197] kmalloc-cg-256 1230KB 1256KB [ 249.725666][ T5197] kmalloc-cg-128 753KB 760KB [ 249.754598][ T5197] kmalloc-cg-64 149KB 160KB [ 249.760789][ T5197] kmalloc-cg-32 51KB 200KB [ 249.766980][ T5197] kmalloc-cg-16 6KB 12KB [ 249.773066][ T5197] kmalloc-cg-8 57KB 72KB [ 249.779287][ T5197] kmalloc-cg-192 99KB 104KB [ 249.785527][ T5197] kmalloc-cg-96 97KB 100KB [ 249.791631][ T5197] kmalloc-8k 15776KB 16160KB [ 249.812035][ T5197] kmalloc-4k 208280KB 208352KB [ 249.818869][ T5197] kmalloc-2k 21688KB 22568KB [ 249.825318][ T5197] kmalloc-1k 51460KB 51496KB [ 249.831524][ T5197] kmalloc-512 22956KB 23044KB [ 249.861361][ T5197] kmalloc-256 7570KB 7580KB [ 249.867564][ T5197] kmalloc-128 2507KB 2544KB [ 249.873798][ T5197] kmalloc-64 4113KB 4240KB [ 249.879921][ T5197] kmalloc-32 4327KB 4468KB [ 249.887208][ T5197] kmalloc-16 490KB 496KB [ 249.909981][ T5197] kmalloc-8 609KB 624KB [ 249.916242][ T5197] kmalloc-192 3117KB 3228KB [ 249.922338][ T5197] kmalloc-96 3401KB 3404KB [ 249.928690][ T5197] kmem_cache_node 212KB 220KB [ 249.940401][ T5197] kmem_cache 176KB 195KB [ 249.968026][ T5197] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/syz5,task=syz.5.22,pid=6914,uid=0 [ 249.982381][ T5197] Out of memory: Killed process 6916 (syz.5.22) total-vm:44936kB, anon-rss:144kB, file-rss:4kB, shmem-rss:0kB, UID:0 pgtables:88kB oom_score_adj:1000 [ 250.000180][ T6239] syz-execprog invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 [ 250.035901][ T6239] CPU: 1 UID: 0 PID: 6239 Comm: syz-execprog Not tainted syzkaller #0 PREEMPT(full) [ 250.035926][ T6239] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 250.035936][ T6239] Call Trace: [ 250.035943][ T6239] [ 250.035951][ T6239] dump_stack_lvl+0xe8/0x150 [ 250.035982][ T6239] dump_header+0xd3/0x4c0 [ 250.036007][ T6239] oom_kill_process+0x3ab/0x970 [ 250.036034][ T6239] out_of_memory+0x1141/0x1410 [ 250.036067][ T6239] ? __pfx_out_of_memory+0x10/0x10 [ 250.036099][ T6239] __alloc_pages_may_oom+0x1ea/0x330 [ 250.036124][ T6239] ? lockdep_hardirqs_on+0x7a/0x110 [ 250.036144][ T6239] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 250.036165][ T6239] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 250.036204][ T6239] __alloc_pages_slowpath+0x6c2/0xd40 [ 250.036243][ T6239] __alloc_frozen_pages_noprof+0x322/0x380 [ 250.036264][ T6239] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 250.036286][ T6239] ? __pfx_policy_nodemask+0x10/0x10 [ 250.036313][ T6239] alloc_pages_mpol+0x232/0x4a0 [ 250.036338][ T6239] alloc_pages_noprof+0xac/0x2a0 [ 250.036360][ T6239] folio_alloc_noprof+0x1e/0x30 [ 250.036379][ T6239] filemap_alloc_folio_noprof+0x111/0x470 [ 250.036408][ T6239] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 250.036441][ T6239] __filemap_get_folio_mpol+0x3fc/0xb00 [ 250.036474][ T6239] filemap_fault+0x9ac/0x1320 [ 250.036507][ T6239] ? __pfx_filemap_fault+0x10/0x10 [ 250.036534][ T6239] ? __pfx_filemap_map_pages+0x10/0x10 [ 250.036560][ T6239] __do_fault+0x3e7/0x590 [ 250.036580][ T6239] ? do_pte_missing+0x127b/0x34f0 [ 250.036596][ T6239] do_pte_missing+0x2233/0x34f0 [ 250.036626][ T6239] ? handle_mm_fault+0xee/0x3170 [ 250.036652][ T6239] handle_mm_fault+0x1bd7/0x3170 [ 250.036689][ T6239] ? handle_mm_fault+0xee/0x3170 [ 250.036718][ T6239] ? __pfx_handle_mm_fault+0x10/0x10 [ 250.036738][ T6239] ? lock_vma_under_rcu+0x45a/0x500 [ 250.036787][ T6239] do_user_addr_fault+0xa73/0x1340 [ 250.036822][ T6239] ? rcu_is_watching+0x15/0xb0 [ 250.036839][ T6239] ? trace_page_fault_user+0x84/0x210 [ 250.036860][ T6239] exc_page_fault+0x6a/0xc0 [ 250.036879][ T6239] asm_exc_page_fault+0x26/0x30 [ 250.036894][ T6239] RIP: 0033:0x473541 [ 250.036914][ T6239] Code: Unable to access opcode bytes at 0x473517. [ 250.036922][ T6239] RSP: 002b:000031ed05ef77e8 EFLAGS: 00010202 [ 250.036938][ T6239] RAX: 000000000041c58a RBX: 0000000002688417 RCX: 0000000002a3e928 [ 250.036948][ T6239] RDX: 00000000003436b1 RSI: 000000000041ca2e RDI: 000000000041c58a [ 250.036956][ T6239] RBP: 000031ed05ef78a8 R08: 0000000000000001 R09: 0000000000000000 [ 250.036968][ T6239] R10: 0000000000000000 R11: 0000000000000015 R12: 000031ed0627e460 [ 250.036978][ T6239] R13: 00000000000000c0 R14: 000031ed05f84780 R15: 000031ed0627e510 [ 250.037002][ T6239] [ 250.043068][ T6239] Mem-Info: [ 250.377737][ T6239] active_anon:7064 inactive_anon:6365 isolated_anon:0 [ 250.377737][ T6239] active_file:0 inactive_file:129 isolated_file:0 [ 250.377737][ T6239] unevictable:768 dirty:0 writeback:0 [ 250.377737][ T6239] slab_reclaimable:8382 slab_unreclaimable:162665 [ 250.377737][ T6239] mapped:2 shmem:808 pagetables:3506 [ 250.377737][ T6239] sec_pagetables:0 bounce:0 [ 250.377737][ T6239] kernel_misc_reclaimable:0 [ 250.377737][ T6239] free:28757 free_pcp:2308 free_cma:0 [ 250.422370][ T6239] Node 0 active_anon:30428kB inactive_anon:7120kB active_file:12kB inactive_file:164kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1684kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14752kB pagetables:11688kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 250.475961][ T6239] Node 1 active_anon:1228kB inactive_anon:14940kB active_file:0kB inactive_file:20kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1548kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 250.507077][ T6239] Node 0 DMA free:10044kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:4kB inactive_anon:36kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.567124][ T6239] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 250.572968][ T6239] Node 0 DMA32 free:13492kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:7340kB inactive_anon:30168kB active_file:24kB inactive_file:156kB unevictable:1536kB writepending:0kB zspages:2616kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:8060kB local_pcp:0kB free_cma:0kB [ 250.706482][ T6239] lowmem_reserve[]: 0 0 0 0 0 [ 250.712870][ T6239] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 250.742155][ T6239] lowmem_reserve[]: 0 0 0 0 0 [ 250.746996][ T6239] Node 1 Normal free:88996kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:15176kB inactive_anon:992kB active_file:100kB inactive_file:64kB unevictable:1536kB writepending:0kB zspages:38204kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:3048kB local_pcp:1900kB free_cma:0kB [ 250.805517][ T6239] lowmem_reserve[]: 0 0 0 0 0 [ 250.810286][ T6239] Node 0 DMA: 1*4kB (M) 1*8kB (U) 3*16kB (UM) 0*32kB 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10044kB [ 250.826233][ T6239] Node 0 DMA32: 514*4kB (UM) 537*8kB (UME) 353*16kB (UME) 202*32kB (UME) 37*64kB (UME) 7*128kB (UME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 21728kB [ 250.841979][ T6239] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 250.879633][ T6239] Node 1 Normal: 353*4kB (UME) 343*8kB (UME) 313*16kB (UME) 207*32kB (ME) 135*64kB (UME) 59*128kB (UME) 14*256kB (ME) 2*512kB (UM) 1*1024kB (M) 2*2048kB (UM) 12*4096kB (U) = 90860kB [ 250.898360][ T6239] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.908205][ T6239] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 250.936302][ T6239] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 250.945976][ T6239] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 250.955439][ T6239] 1077 total pagecache pages [ 250.965383][ T6239] 177 pages in swap cache [ 250.969751][ T6239] Free swap = 56kB [ 250.973566][ T6239] Total swap = 124996kB [ 250.995774][ T6239] 2097051 pages RAM [ 250.999654][ T6239] 0 pages HighMem/MovableOnly [ 251.004546][ T6239] 429236 pages reserved [ 251.008746][ T6239] 0 pages cma reserved [ 251.012865][ T6239] Unreclaimable slab info: [ 251.017411][ T6239] Name Used Total [ 251.023743][ T6239] pid_2 29KB 39KB [ 251.029835][ T6239] bio-464 17KB 22KB [ 251.052791][ T6239] bio-528 19KB 31KB [ 251.058953][ T6239] bio-544 19KB 31KB [ 251.070930][ T6239] bio-552 19KB 31KB [ 251.077494][ T6239] zswap_entry 2868KB 2885KB [ 251.100132][ T6239] batadv_tt_change_cache 5KB 8KB [ 251.106770][ T6239] batadv_tl_cache 22KB 24KB [ 251.112961][ T6239] TIPC 68KB 92KB [ 251.119316][ T6239] SCTPv6 87KB 90KB [ 251.125490][ T6239] RXRPC 76KB 96KB [ 251.131604][ T6239] rxrpc_call_jar 397KB 446KB [ 251.152229][ T6239] net_bridge_fdb_entry 53KB 59KB [ 251.158752][ T6239] MPTCPv6 35KB 63KB [ 251.170847][ T6239] fib6_node 581KB 584KB [ 251.177049][ T6239] ip6_dst_cache 977KB 993KB [ 251.183143][ T6239] RAWv6 189KB 216KB [ 251.205136][ T6239] UDPv6 240KB 283KB [ 251.211259][ T6239] tw_sock_TCPv6 9KB 15KB [ 251.217413][ T6239] TCPv6 131KB 151KB [ 251.223553][ T6239] wg_peer 328KB 358KB [ 251.229869][ T6239] allowedips_node 41KB 43KB [ 251.236057][ T6239] t10_alua_lu_gp_cache 8KB 11KB [ 251.242693][ T6239] scsi_sense_cache 1318KB 1332KB [ 251.281250][ T6239] virtio_scsi_cmd 21KB 24KB [ 251.287544][ T6239] bio-136 64KB 76KB [ 251.295265][ T6239] bio-264 10KB 15KB [ 251.301393][ T6239] mqueue_inode_cache 43KB 60KB [ 251.309047][ T6239] f2fs_bio_post_read_ctx 30KB 31KB [ 251.333362][ T6239] jfs_mp 14KB 15KB [ 251.340030][ T6239] cifs_small_rq 28KB 32KB [ 251.346425][ T6239] cifs_request 67KB 67KB [ 251.352542][ T6239] cifs_mpx_ids 8KB 11KB [ 251.358677][ T6239] cifs_io_subrequest 42KB 47KB [ 251.388690][ T6239] cifs_io_request 105KB 111KB [ 251.394856][ T6239] nfs_commit_data 24KB 31KB [ 251.400936][ T6239] nfs_write_data 38KB 47KB [ 251.408450][ T6239] jbd2_inode 9KB 11KB [ 251.414693][ T6239] ext4_system_zone 1KB 3KB [ 251.420880][ T6239] ext4_io_end_vec 4KB 7KB [ 251.441298][ T6239] zspage 1037KB 1067KB [ 251.447681][ T6239] zs_handle 1052KB 2440KB [ 251.453884][ T6239] pid_namespace 19KB 46KB [ 251.459998][ T6239] kvm_gmem_inode_cache 15KB 15KB [ 251.466409][ T6239] rpc_buffers 25KB 31KB [ 251.499029][ T6239] rpc_tasks 8KB 11KB [ 251.505378][ T6239] UNIX-STREAM 61KB 214KB [ 251.511469][ T6239] UNIX 1095KB 1347KB [ 251.517894][ T6239] MPTCP 30KB 61KB [ 251.524073][ T6239] request_sock_subflow_v4 12KB 15KB [ 251.530682][ T6239] tcp_bind2_bucket 9KB 16KB [ 251.552416][ T6239] tcp_bind_bucket 15KB 16KB [ 251.558725][ T6239] ip_fib_trie 80KB 84KB [ 251.565912][ T6239] ip_fib_alias 293KB 296KB [ 251.572039][ T6239] rtable 44KB 52KB [ 251.601594][ T6239] RAW 45KB 63KB [ 251.607780][ T6239] UDP 269KB 320KB [ 251.613970][ T6239] request_sock_TCP 19KB 23KB [ 251.620084][ T6239] TCP 130KB 175KB [ 251.627569][ T6239] fs_bio_integrity 7KB 8KB [ 251.633705][ T6239] hugetlbfs_inode_cache 15KB 15KB [ 251.640141][ T6239] netfs_subrequest 35KB 37KB [ 251.661079][ T6239] netfs_request 105KB 111KB [ 251.667404][ T6239] bio-280 21KB 23KB [ 251.673514][ T6239] ep_head 3KB 16KB [ 251.685450][ T6239] eventpoll_pwq 10KB 15KB [ 251.691591][ T6239] eventpoll_epi 33KB 39KB [ 251.697749][ T6239] inotify_inode_mark 22KB 31KB [ 251.749221][ T6239] sgpool-128 17KB 29KB [ 251.763719][ T6239] sgpool-64 240KB 318KB [ 251.777448][ T6239] sgpool-32 70KB 110KB [ 251.789530][ T6239] sgpool-16 28KB 45KB [ 251.795778][ T6239] sgpool-8 34KB 52KB [ 251.801982][ T6239] bio_crypt_ctx 9KB 11KB [ 251.808214][ T6239] bio_integrity_data 7KB 8KB [ 251.831380][ T6239] request_queue 197KB 309KB [ 251.837576][ T6239] blkdev_ioc 8KB 11KB [ 251.843765][ T6239] bio-200 150KB 161KB [ 251.849875][ T6239] biovec-max 314KB 357KB [ 251.856040][ T6239] biovec-128 167KB 289KB [ 251.862212][ T6239] biovec-64 103KB 126KB [ 251.900923][ T6239] biovec-16 25KB 26KB [ 251.907137][ T6239] user_namespace 28KB 30KB [ 251.913265][ T6239] uid_cache 13KB 18KB [ 251.919467][ T6239] dmaengine-unmap-256 26KB 30KB [ 251.925990][ T6239] dmaengine-unmap-128 14KB 15KB [ 251.932246][ T6239] dmaengine-unmap-16 7KB 8KB [ 251.955433][ T6239] dmaengine-unmap-2 3KB 4KB [ 251.961551][ T6239] QIPCRTR 18KB 31KB [ 251.969116][ T6239] audit_buffer 11KB 11KB [ 251.975835][ T6239] skbuff_ext_cache 35KB 60KB [ 251.982058][ T6239] skbuff_small_head 16184KB 16212KB [ 252.010875][ T6239] skbuff_fclone_cache 26KB 45KB [ 252.017227][ T6239] skbuff_head_cache 15694KB 15705KB [ 252.023398][ T6239] configfs_dir_cache 15KB 16KB [ 252.029663][ T6239] file_lock_cache 7KB 15KB [ 252.035831][ T6239] file_lock_ctx 20KB 23KB [ 252.041912][ T6239] fsnotify_inode_mark_connector 19KB 27KB [ 252.073740][ T6239] taskstats 61KB 63KB [ 252.081624][ T32] oom_reaper: reaped process 6916 (syz.5.22), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 252.096069][ T6239] mem_cgroup_per_node 72KB 92KB [ 252.102363][ T6239] mem_cgroup 78KB 87KB [ 252.108551][ T6239] proc_dir_entry 1626KB 1631KB [ 252.128092][ T6239] pde_opener 3KB 15KB [ 252.134280][ T6239] seq_file 44KB 67KB [ 252.140362][ T6239] sigqueue 36KB 43KB [ 252.146557][ T6239] shmem_inode_cache 7474KB 7555KB [ 252.152662][ T6239] kernfs_iattrs_cache 12KB 15KB [ 252.159012][ T6239] kernfs_node_cache 45499KB 45720KB [ 252.178674][ T6239] mnt_cache 238KB 271KB [ 252.184947][ T6239] filp 553KB 1141KB [ 252.196299][ T6239] names_cache 263KB 316KB [ 252.202437][ T6239] net_namespace 222KB 261KB [ 252.208679][ T6239] ima_iint_cache 13KB 35KB [ 252.228110][ T6239] lsm_inode_cache 1766KB 2071KB [ 252.235549][ T6239] lsm_file_cache 139KB 336KB [ 252.241640][ T6239] key_jar 24KB 31KB [ 252.247855][ T6239] uts_namespace 68KB 77KB [ 252.254014][ T6239] nsproxy 6KB 15KB [ 252.260108][ T6239] vm_area_struct 835KB 1158KB [ 252.279986][ T6239] fs_cache 23KB 56KB [ 252.286371][ T6239] files_cache 83KB 302KB [ 252.297797][ T6239] signal_cache 1027KB 2033KB [ 252.303991][ T6239] sighand_cache 1311KB 2435KB [ 252.310090][ T6239] task_struct 4468KB 4910KB [ 252.329448][ T6239] cred 158KB 352KB [ 252.335760][ T6239] anon_vma_chain 184KB 334KB [ 252.342103][ T6239] anon_vma 255KB 442KB [ 252.348633][ T6239] pid 179KB 345KB [ 252.354806][ T6239] Acpi-Operand 112KB 198KB [ 252.360980][ T6239] Acpi-ParseExt 4KB 23KB [ 252.380945][ T6239] Acpi-Parse 8KB 23KB [ 252.387492][ T6239] Acpi-State 4KB 23KB [ 252.398532][ T6239] Acpi-Namespace 26KB 32KB [ 252.404701][ T6239] numa_policy 2KB 3KB [ 252.410780][ T6239] perf_event 15KB 31KB [ 252.430874][ T6239] trace_event_file 540KB 540KB [ 252.437068][ T6239] ftrace_event_field 1026KB 1027KB [ 252.443249][ T6239] pool_workqueue 1032KB 1072KB [ 252.450291][ T6239] task_group 49KB 63KB [ 252.456502][ T6239] maple_node 758KB 2216KB [ 252.462587][ T6239] mm_struct 229KB 765KB [ 252.482478][ T6239] vmap_area 315KB 352KB [ 252.488685][ T6239] debug_objects_cache 4382KB 4551KB [ 252.500395][ T6239] page->ptl 71KB 161KB [ 252.506587][ T6239] kmalloc-cg-8k 4208KB 4512KB [ 252.512677][ T6239] kmalloc-cg-4k 47496KB 48480KB [ 252.547572][ T6239] kmalloc-cg-2k 28912KB 29504KB [ 252.553873][ T6239] kmalloc-cg-1k 7320KB 7488KB [ 252.560013][ T6239] kmalloc-cg-512 3990KB 4192KB [ 252.568117][ T6239] kmalloc-cg-256 1230KB 1256KB [ 252.574267][ T6239] kmalloc-cg-128 744KB 760KB [ 252.580347][ T6239] kmalloc-cg-64 143KB 160KB [ 252.608083][ T6239] kmalloc-cg-32 44KB 200KB [ 252.614273][ T6239] kmalloc-cg-16 6KB 12KB [ 252.620375][ T6239] kmalloc-cg-8 56KB 72KB [ 252.626587][ T6239] kmalloc-cg-192 99KB 104KB [ 252.634460][ T6239] kmalloc-cg-96 93KB 100KB [ 252.640606][ T6239] kmalloc-8k 15776KB 16160KB [ 252.660474][ T6239] kmalloc-4k 150640KB 154720KB [ 252.666967][ T6239] kmalloc-2k 16652KB 20768KB [ 252.673204][ T6239] kmalloc-1k 47720KB 54480KB [ 252.679500][ T6239] kmalloc-512 22280KB 23116KB [ 252.686122][ T6239] kmalloc-256 7514KB 7580KB [ 252.692290][ T6239] kmalloc-128 2479KB 2544KB [ 252.717348][ T6239] kmalloc-64 4224KB 4352KB [ 252.723543][ T6239] kmalloc-32 3915KB 4456KB [ 252.729688][ T6239] kmalloc-16 489KB 496KB [ 252.735911][ T6239] kmalloc-8 598KB 624KB [ 252.742220][ T6239] kmalloc-192 2939KB 3176KB [ 252.748444][ T6239] kmalloc-96 3081KB 3572KB [ 252.770773][ T6239] kmem_cache_node 212KB 220KB [ 252.777094][ T6239] kmem_cache 176KB 195KB [ 252.783208][ T6239] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-execprog,pid=6239,uid=0 [ 252.798376][ T6239] Out of memory (oom_kill_allocating_task): Killed process 6235 (syz-execprog) total-vm:1441552kB, anon-rss:38348kB, file-rss:8kB, shmem-rss:0kB, UID:0 pgtables:444kB oom_score_adj:0 [ 252.881096][ T5179] syslogd invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 [ 252.921167][ T5179] CPU: 0 UID: 0 PID: 5179 Comm: syslogd Not tainted syzkaller #0 PREEMPT(full) [ 252.921193][ T5179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 252.921204][ T5179] Call Trace: [ 252.921212][ T5179] [ 252.921220][ T5179] dump_stack_lvl+0xe8/0x150 [ 252.921250][ T5179] dump_header+0xd3/0x4c0 [ 252.921282][ T5179] oom_kill_process+0x3ab/0x970 [ 252.921310][ T5179] out_of_memory+0x1141/0x1410 [ 252.921343][ T5179] ? __pfx_out_of_memory+0x10/0x10 [ 252.921376][ T5179] __alloc_pages_may_oom+0x1ea/0x330 [ 252.921401][ T5179] ? lockdep_hardirqs_on+0x7a/0x110 [ 252.921421][ T5179] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 252.921443][ T5179] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 252.921482][ T5179] __alloc_pages_slowpath+0x6c2/0xd40 [ 252.921520][ T5179] __alloc_frozen_pages_noprof+0x322/0x380 [ 252.921542][ T5179] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 252.921565][ T5179] ? __pfx_policy_nodemask+0x10/0x10 [ 252.921595][ T5179] alloc_pages_mpol+0x232/0x4a0 [ 252.921619][ T5179] alloc_pages_noprof+0xac/0x2a0 [ 252.921641][ T5179] folio_alloc_noprof+0x1e/0x30 [ 252.921660][ T5179] filemap_alloc_folio_noprof+0x111/0x470 [ 252.921690][ T5179] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 252.921723][ T5179] __filemap_get_folio_mpol+0x3fc/0xb00 [ 252.921757][ T5179] filemap_fault+0x9ac/0x1320 [ 252.921790][ T5179] ? __pfx_filemap_fault+0x10/0x10 [ 252.921817][ T5179] ? __pfx_filemap_map_pages+0x10/0x10 [ 252.921851][ T5179] __do_fault+0x3e7/0x590 [ 252.921873][ T5179] ? do_pte_missing+0x127b/0x34f0 [ 252.921889][ T5179] do_pte_missing+0x2233/0x34f0 [ 252.921919][ T5179] ? handle_mm_fault+0xee/0x3170 [ 252.921946][ T5179] handle_mm_fault+0x1bd7/0x3170 [ 252.921983][ T5179] ? handle_mm_fault+0xee/0x3170 [ 252.922013][ T5179] ? __pfx_handle_mm_fault+0x10/0x10 [ 252.922033][ T5179] ? lock_vma_under_rcu+0x45a/0x500 [ 252.922080][ T5179] do_user_addr_fault+0xa73/0x1340 [ 252.922111][ T5179] ? rcu_is_watching+0x15/0xb0 [ 252.922131][ T5179] ? trace_page_fault_user+0x84/0x210 [ 252.922157][ T5179] exc_page_fault+0x6a/0xc0 [ 252.922176][ T5179] asm_exc_page_fault+0x26/0x30 [ 252.922194][ T5179] RIP: 0033:0x7fec0cf377a2 [ 252.922217][ T5179] Code: Unable to access opcode bytes at 0x7fec0cf37778. [ 252.922226][ T5179] RSP: 002b:00007ffcf9fac1c0 EFLAGS: 00010202 [ 252.922242][ T5179] RAX: 0000000000000001 RBX: 00007ffcf9fac6c0 RCX: 0000000000000001 [ 252.922253][ T5179] RDX: 0000000000000000 RSI: 00007fec0d15b0f0 RDI: 00007ffcf9fac6c0 [ 252.922264][ T5179] RBP: 00007fec0d15b0f0 R08: 0000000000000000 R09: 0000555f0201ca60 [ 252.922276][ T5179] R10: 0000000000000000 R11: 00007fec0d0528e0 R12: 0000555f0201ca50 [ 252.922287][ T5179] R13: 00007ffcf9fac708 R14: 0000555f0201ca60 R15: 00007fec0d15b0f0 [ 252.922316][ T5179] [ 252.922324][ T5179] Mem-Info: [ 253.292643][ T5179] active_anon:8095 inactive_anon:4645 isolated_anon:0 [ 253.292643][ T5179] active_file:75 inactive_file:22 isolated_file:0 [ 253.292643][ T5179] unevictable:768 dirty:0 writeback:0 [ 253.292643][ T5179] slab_reclaimable:8279 slab_unreclaimable:144104 [ 253.292643][ T5179] mapped:2 shmem:805 pagetables:3506 [ 253.292643][ T5179] sec_pagetables:0 bounce:0 [ 253.292643][ T5179] kernel_misc_reclaimable:0 [ 253.292643][ T5179] free:50472 free_pcp:0 free_cma:0 [ 253.383759][ T5179] Node 0 active_anon:31344kB inactive_anon:3448kB active_file:100kB inactive_file:80kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1672kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14536kB pagetables:11688kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 253.473977][ T5179] Node 1 active_anon:2236kB inactive_anon:13532kB active_file:200kB inactive_file:8kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1548kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 253.577722][ T5179] Node 0 DMA free:10044kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:36kB inactive_anon:4kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:4kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.680901][ T5179] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 253.687218][ T5179] Node 0 DMA32 free:53828kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:2184kB inactive_anon:31984kB active_file:100kB inactive_file:80kB unevictable:1536kB writepending:0kB zspages:2732kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:376kB local_pcp:208kB free_cma:0kB [ 253.720921][ T5179] lowmem_reserve[]: 0 0 0 0 0 [ 253.730057][ T5179] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 253.776831][ T5179] lowmem_reserve[]: 0 0 0 0 0 [ 253.781599][ T5179] Node 1 Normal free:139544kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:2636kB inactive_anon:13032kB active_file:200kB inactive_file:8kB unevictable:1536kB writepending:0kB zspages:35620kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:1840kB local_pcp:1488kB free_cma:0kB [ 253.819994][ T5179] lowmem_reserve[]: 0 0 0 0 0 [ 253.824872][ T5179] Node 0 DMA: 1*4kB (M) 1*8kB (U) 3*16kB (UM) 0*32kB 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10044kB [ 253.922454][ T5179] Node 0 DMA32: 1211*4kB (UME) 628*8kB (UME) 545*16kB (UME) 808*32kB (UME) 124*64kB (UME) 19*128kB (UME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 54812kB [ 254.001405][ T5179] 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 [ 254.027786][ T5179] Node 1 Normal: 998*4kB (UME) 633*8kB (UME) 470*16kB (UME) 573*32kB (UME) 372*64kB (UME) 158*128kB (UME) 31*256kB (UME) 4*512kB (UME) 2*1024kB (UM) 1*2048kB (M) 12*4096kB (U) = 142176kB [ 254.051391][ T5179] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.061145][ T5179] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 254.086428][ T5179] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 254.096143][ T5179] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 254.105586][ T5179] 1416 total pagecache pages [ 254.110208][ T5179] 545 pages in swap cache [ 254.114617][ T5179] Free swap = 7996kB [ 254.118602][ T5179] Total swap = 124996kB [ 254.122756][ T5179] 2097051 pages RAM [ 254.145531][ T5179] 0 pages HighMem/MovableOnly [ 254.150249][ T5179] 429236 pages reserved [ 254.154850][ T5179] 0 pages cma reserved [ 254.158946][ T5179] Unreclaimable slab info: [ 254.163363][ T5179] Name Used Total [ 254.169825][ T5179] pid_2 29KB 39KB [ 254.176067][ T5179] bio-464 17KB 22KB [ 254.182144][ T5179] bio-528 19KB 31KB [ 254.203032][ T5179] bio-544 19KB 31KB [ 254.209240][ T5179] bio-552 19KB 31KB [ 254.215497][ T5179] zswap_entry 2716KB 2889KB [ 254.221615][ T5179] batadv_tt_change_cache 3KB 8KB [ 254.228195][ T5179] batadv_tl_cache 22KB 24KB [ 254.254590][ T5179] TIPC 68KB 92KB [ 254.260724][ T5179] SCTPv6 87KB 90KB [ 254.267208][ T5179] RXRPC 76KB 96KB [ 254.273323][ T5179] rxrpc_call_jar 397KB 446KB [ 254.279554][ T5179] net_bridge_fdb_entry 53KB 59KB [ 254.286531][ T5179] MPTCPv6 35KB 63KB [ 254.292672][ T5179] fib6_node 580KB 584KB [ 254.314607][ T5179] ip6_dst_cache 659KB 975KB [ 254.321174][ T5179] RAWv6 189KB 216KB [ 254.327560][ T5179] UDPv6 240KB 283KB [ 254.333717][ T5179] tw_sock_TCPv6 9KB 15KB [ 254.359776][ T5179] TCPv6 111KB 151KB [ 254.366979][ T5179] wg_peer 328KB 358KB [ 254.373190][ T5179] allowedips_node 41KB 43KB [ 254.381027][ T5179] t10_alua_lu_gp_cache 8KB 11KB [ 254.387491][ T5179] scsi_sense_cache 1318KB 1332KB [ 254.393579][ T5179] virtio_scsi_cmd 21KB 24KB [ 254.415097][ T5179] bio-136 58KB 72KB [ 254.421389][ T5179] bio-264 10KB 15KB [ 254.427550][ T5179] mqueue_inode_cache 43KB 60KB [ 254.433855][ T5179] f2fs_bio_post_read_ctx 30KB 31KB [ 254.444599][ T5179] jfs_mp 14KB 15KB [ 254.450752][ T5179] cifs_small_rq 28KB 32KB [ 254.470880][ T5179] cifs_request 67KB 67KB [ 254.477102][ T5179] cifs_mpx_ids 8KB 11KB [ 254.483203][ T5179] cifs_io_subrequest 42KB 47KB [ 254.489876][ T5179] cifs_io_request 105KB 111KB [ 254.496079][ T5179] nfs_commit_data 24KB 31KB [ 254.502165][ T5179] nfs_write_data 38KB 47KB [ 254.522663][ T5179] jbd2_inode 9KB 11KB [ 254.529113][ T5179] ext4_system_zone 1KB 3KB [ 254.535305][ T5179] ext4_io_end_vec 4KB 7KB [ 254.541461][ T5179] zspage 995KB 1067KB [ 254.552450][ T5179] zs_handle 997KB 2440KB [ 254.572486][ T5179] pid_namespace 19KB 46KB [ 254.578693][ T5179] kvm_gmem_inode_cache 15KB 15KB [ 254.585192][ T5179] rpc_buffers 25KB 31KB [ 254.591298][ T5179] rpc_tasks 8KB 11KB [ 254.597820][ T5179] UNIX-STREAM 61KB 214KB [ 254.620435][ T5179] UNIX 78KB 336KB [ 254.627075][ T5179] MPTCP 30KB 61KB [ 254.633263][ T5179] request_sock_subflow_v4 12KB 15KB [ 254.639978][ T5179] tcp_bind2_bucket 9KB 16KB [ 254.650096][ T5179] tcp_bind_bucket 15KB 16KB [ 254.669983][ T5179] ip_fib_trie 80KB 84KB [ 254.676162][ T5179] ip_fib_alias 293KB 296KB [ 254.682247][ T5179] rtable 38KB 52KB [ 254.688783][ T5179] RAW 45KB 63KB [ 254.694937][ T5179] UDP 257KB 320KB [ 254.701126][ T5179] request_sock_TCP 19KB 23KB [ 254.722090][ T5179] TCP 71KB 175KB [ 254.728341][ T5179] fs_bio_integrity 7KB 8KB [ 254.734536][ T5179] hugetlbfs_inode_cache 15KB 15KB [ 254.741113][ T5179] netfs_subrequest 35KB 37KB [ 254.747299][ T5179] netfs_request 105KB 111KB [ 254.775715][ T5179] bio-280 21KB 23KB [ 254.781856][ T5179] ep_head 3KB 16KB [ 254.788027][ T5179] eventpoll_pwq 10KB 15KB [ 254.794206][ T5179] eventpoll_epi 33KB 39KB [ 254.800322][ T5179] inotify_inode_mark 22KB 31KB [ 254.806576][ T5179] sgpool-128 17KB 29KB [ 254.812664][ T5179] sgpool-64 238KB 318KB [ 254.837800][ T5179] sgpool-32 65KB 110KB [ 254.844587][ T5179] sgpool-16 27KB 45KB [ 254.855592][ T5179] sgpool-8 22KB 48KB [ 254.861725][ T5179] bio_crypt_ctx 9KB 11KB [ 254.867978][ T5179] bio_integrity_data 7KB 8KB [ 254.888444][ T5179] request_queue 197KB 309KB [ 254.894633][ T5179] blkdev_ioc 8KB 11KB [ 254.900720][ T5179] bio-200 122KB 150KB [ 254.907055][ T5179] biovec-max 276KB 357KB [ 254.913165][ T5179] biovec-128 112KB 289KB [ 254.919305][ T5179] biovec-64 95KB 126KB [ 254.945535][ T5179] biovec-16 22KB 26KB [ 254.955877][ T5179] user_namespace 28KB 30KB [ 254.962203][ T5179] uid_cache 13KB 18KB [ 254.968403][ T5179] dmaengine-unmap-256 26KB 30KB [ 254.989131][ T5179] dmaengine-unmap-128 14KB 15KB [ 254.995624][ T5179] dmaengine-unmap-16 7KB 8KB [ 255.001878][ T5179] dmaengine-unmap-2 3KB 4KB [ 255.008714][ T5179] QIPCRTR 18KB 31KB [ 255.014963][ T5179] audit_buffer 11KB 11KB [ 255.021169][ T5179] skbuff_ext_cache 10KB 44KB [ 255.044635][ T5179] skbuff_small_head 10818KB 11284KB [ 255.050770][ T5179] skbuff_fclone_cache 21KB 45KB [ 255.061634][ T5179] skbuff_head_cache 10958KB 11055KB [ 255.067859][ T5179] configfs_dir_cache 15KB 16KB [ 255.074096][ T5179] file_lock_cache 5KB 15KB [ 255.080177][ T5179] file_lock_ctx 20KB 23KB [ 255.108825][ T5179] fsnotify_inode_mark_connector 18KB 27KB [ 255.116118][ T5179] taskstats 61KB 63KB [ 255.122229][ T5179] mem_cgroup_per_node 72KB 92KB [ 255.129343][ T5179] mem_cgroup 78KB 87KB [ 255.135513][ T5179] proc_dir_entry 1626KB 1631KB [ 255.141596][ T5179] pde_opener 2KB 15KB [ 255.167942][ T5179] seq_file 19KB 41KB [ 255.174097][ T5179] sigqueue 8KB 35KB [ 255.180177][ T5179] shmem_inode_cache 7442KB 7555KB [ 255.186394][ T5179] kernfs_iattrs_cache 12KB 15KB [ 255.192692][ T5179] kernfs_node_cache 45499KB 45720KB [ 255.198847][ T5179] mnt_cache 221KB 271KB [ 255.220299][ T5179] filp 196KB 874KB [ 255.226491][ T5179] names_cache 21KB 72KB [ 255.232578][ T5179] net_namespace 222KB 261KB [ 255.238804][ T5179] ima_iint_cache 13KB 35KB [ 255.245180][ T5179] lsm_inode_cache 1725KB 2071KB [ 255.251304][ T5179] lsm_file_cache 61KB 312KB [ 255.279752][ T5179] key_jar 24KB 31KB [ 255.285950][ T5179] uts_namespace 68KB 77KB [ 255.292119][ T5179] nsproxy 6KB 15KB [ 255.298340][ T5179] vm_area_struct 495KB 840KB [ 255.304501][ T5179] fs_cache 20KB 56KB [ 255.310582][ T5179] files_cache 74KB 302KB [ 255.331081][ T5179] signal_cache 1009KB 2033KB [ 255.337379][ T5179] sighand_cache 1288KB 2435KB [ 255.343467][ T5179] task_struct 4392KB 4880KB [ 255.350056][ T5179] cred 155KB 352KB [ 255.356249][ T5179] anon_vma_chain 174KB 330KB [ 255.381347][ T5179] anon_vma 236KB 410KB [ 255.387541][ T5179] pid 177KB 345KB [ 255.393772][ T5179] Acpi-Operand 112KB 198KB [ 255.399874][ T5179] Acpi-ParseExt 4KB 23KB [ 255.406311][ T5179] Acpi-Parse 8KB 23KB [ 255.413086][ T5179] Acpi-State 4KB 23KB [ 255.433527][ T5179] Acpi-Namespace 26KB 32KB [ 255.439743][ T5179] numa_policy 2KB 3KB [ 255.446016][ T5179] perf_event 15KB 31KB [ 255.452139][ T5179] trace_event_file 540KB 540KB [ 255.458316][ T5179] ftrace_event_field 1026KB 1027KB [ 255.487372][ T5179] pool_workqueue 1032KB 1072KB [ 255.493524][ T5179] task_group 49KB 63KB [ 255.499702][ T5179] maple_node 470KB 1920KB [ 255.505926][ T5179] mm_struct 229KB 765KB [ 255.512049][ T5179] vmap_area 315KB 352KB [ 255.519557][ T5179] debug_objects_cache 4382KB 4551KB [ 255.539848][ T5179] page->ptl 71KB 161KB [ 255.546059][ T5179] kmalloc-cg-8k 4208KB 4512KB [ 255.552145][ T5179] kmalloc-cg-4k 47448KB 48448KB [ 255.558353][ T5179] kmalloc-cg-2k 28912KB 29504KB [ 255.564712][ T5179] kmalloc-cg-1k 7320KB 7488KB [ 255.591348][ T5179] kmalloc-cg-512 3982KB 4192KB [ 255.597837][ T5179] kmalloc-cg-256 1230KB 1256KB [ 255.604075][ T5179] kmalloc-cg-128 744KB 760KB [ 255.610190][ T5179] kmalloc-cg-64 143KB 160KB [ 255.616376][ T5179] kmalloc-cg-32 44KB 200KB [ 255.622563][ T5179] kmalloc-cg-16 6KB 12KB [ 255.642320][ T5179] kmalloc-cg-8 56KB 72KB [ 255.648898][ T5179] kmalloc-cg-192 99KB 104KB [ 255.655478][ T5179] kmalloc-cg-96 93KB 100KB [ 255.661629][ T5179] kmalloc-8k 15776KB 16160KB [ 255.667774][ T5179] kmalloc-4k 150944KB 151088KB [ 255.696987][ T5179] kmalloc-2k 15616KB 20736KB [ 255.703186][ T5179] kmalloc-1k 48192KB 52460KB [ 255.709667][ T5179] kmalloc-512 22656KB 23080KB [ 255.715892][ T5179] kmalloc-256 7569KB 7580KB [ 255.722007][ T5179] kmalloc-128 2462KB 2544KB [ 255.750086][ T1307] ieee802154 phy0 wpan0: encryption failed: -22 [ 255.750169][ T1307] ieee802154 phy1 wpan1: encryption failed: -22 [ 255.792481][ T5179] kmalloc-64 4218KB 4352KB [ 255.801916][ T5179] kmalloc-32 3911KB 4456KB [ 255.808183][ T5179] kmalloc-16 487KB 496KB [ 255.814647][ T5179] kmalloc-8 594KB 624KB [ 255.820781][ T5179] kmalloc-192 2936KB 3172KB [ 255.842127][ T5179] kmalloc-96 3069KB 3536KB [ 255.848327][ T5179] kmem_cache_node 212KB 220KB [ 255.854709][ T5179] kmem_cache 176KB 195KB [ 255.860811][ T5179] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syslogd,pid=5179,uid=0 [ 255.897193][ T5179] Out of memory (oom_kill_allocating_task): Killed process 5179 (syslogd) total-vm:4044kB, anon-rss:28kB, file-rss:8kB, shmem-rss:0kB, UID:0 pgtables:44kB oom_score_adj:0 [ 256.067922][ T5186] klogd invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 [ 256.131432][ T5186] CPU: 1 UID: 0 PID: 5186 Comm: klogd Not tainted syzkaller #0 PREEMPT(full) [ 256.131457][ T5186] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 256.131466][ T5186] Call Trace: [ 256.131472][ T5186] [ 256.131480][ T5186] dump_stack_lvl+0xe8/0x150 [ 256.131509][ T5186] dump_header+0xd3/0x4c0 [ 256.131535][ T5186] oom_kill_process+0x3ab/0x970 [ 256.131562][ T5186] out_of_memory+0x1141/0x1410 [ 256.131597][ T5186] ? __pfx_out_of_memory+0x10/0x10 [ 256.131628][ T5186] __alloc_pages_may_oom+0x1ea/0x330 [ 256.131649][ T5186] ? lockdep_hardirqs_on+0x7a/0x110 [ 256.131667][ T5186] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 256.131689][ T5186] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 256.131735][ T5186] __alloc_pages_slowpath+0x6c2/0xd40 [ 256.131774][ T5186] __alloc_frozen_pages_noprof+0x322/0x380 [ 256.131796][ T5186] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 256.131818][ T5186] ? __pfx_policy_nodemask+0x10/0x10 [ 256.131847][ T5186] alloc_pages_mpol+0x232/0x4a0 [ 256.131870][ T5186] alloc_pages_noprof+0xac/0x2a0 [ 256.131892][ T5186] folio_alloc_noprof+0x1e/0x30 [ 256.131911][ T5186] filemap_alloc_folio_noprof+0x111/0x470 [ 256.131939][ T5186] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 256.131972][ T5186] __filemap_get_folio_mpol+0x3fc/0xb00 [ 256.132004][ T5186] filemap_fault+0x9ac/0x1320 [ 256.132035][ T5186] ? __pfx_filemap_fault+0x10/0x10 [ 256.132063][ T5186] ? __pfx_filemap_map_pages+0x10/0x10 [ 256.132088][ T5186] __do_fault+0x3e7/0x590 [ 256.132108][ T5186] ? do_pte_missing+0x127b/0x34f0 [ 256.132124][ T5186] do_pte_missing+0x2233/0x34f0 [ 256.132152][ T5186] ? handle_mm_fault+0xee/0x3170 [ 256.132179][ T5186] handle_mm_fault+0x1bd7/0x3170 [ 256.132214][ T5186] ? handle_mm_fault+0xee/0x3170 [ 256.132242][ T5186] ? __pfx_handle_mm_fault+0x10/0x10 [ 256.132266][ T5186] ? lock_vma_under_rcu+0x45a/0x500 [ 256.132314][ T5186] do_user_addr_fault+0xa73/0x1340 [ 256.132344][ T5186] ? rcu_is_watching+0x15/0xb0 [ 256.132362][ T5186] ? trace_page_fault_user+0x84/0x210 [ 256.132386][ T5186] exc_page_fault+0x6a/0xc0 [ 256.132403][ T5186] asm_exc_page_fault+0x26/0x30 [ 256.132417][ T5186] RIP: 0033:0x7f9786a6fa37 [ 256.132439][ T5186] Code: Unable to access opcode bytes at 0x7f9786a6fa0d. [ 256.132448][ T5186] RSP: 002b:00007fffdf68d168 EFLAGS: 00010206 [ 256.132464][ T5186] RAX: 0000000000000114 RBX: 00007f9786c0f490 RCX: 00007f9786a6fa37 [ 256.132476][ T5186] RDX: 00000000000003ff RSI: 00007f9786c0f490 RDI: 0000000000000002 [ 256.132488][ T5186] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 256.132498][ T5186] R10: 0000000000004000 R11: 0000000000000206 R12: 00007f9786c0f490 [ 256.132509][ T5186] R13: 00007f9786becdfe R14: 00007f9786c0f4e9 R15: 00007f9786c0f4e9 [ 256.132539][ T5186] [ 256.527656][ T5186] Mem-Info: [ 256.545344][ T5186] active_anon:2873 inactive_anon:7877 isolated_anon:0 [ 256.545344][ T5186] active_file:96 inactive_file:0 isolated_file:0 [ 256.545344][ T5186] unevictable:768 dirty:0 writeback:0 [ 256.545344][ T5186] slab_reclaimable:8270 slab_unreclaimable:143024 [ 256.545344][ T5186] mapped:2 shmem:775 pagetables:3506 [ 256.545344][ T5186] sec_pagetables:0 bounce:0 [ 256.545344][ T5186] kernel_misc_reclaimable:0 [ 256.545344][ T5186] free:39443 free_pcp:2680 free_cma:0 [ 256.758054][ T5186] Node 0 active_anon:5700kB inactive_anon:22040kB active_file:176kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1556kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14500kB pagetables:11688kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 256.931128][ T5186] Node 1 active_anon:4348kB inactive_anon:7616kB active_file:212kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:1544kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 257.063826][ T5186] Node 0 DMA free:9928kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:8kB inactive_anon:32kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:120kB local_pcp:0kB free_cma:0kB [ 257.114853][ T5186] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 257.120672][ T5186] Node 0 DMA32 free:51432kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:5772kB inactive_anon:20456kB active_file:176kB inactive_file:0kB unevictable:1536kB writepending:0kB zspages:1096kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:7472kB local_pcp:208kB free_cma:0kB [ 257.154476][ T5186] lowmem_reserve[]: 0 0 0 0 0 [ 257.159255][ T5186] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 257.211089][ T5186] lowmem_reserve[]: 0 0 0 0 0 [ 257.215979][ T5186] Node 1 Normal free:111316kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:4548kB inactive_anon:7416kB active_file:212kB inactive_file:0kB unevictable:1536kB writepending:0kB zspages:8712kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:812kB local_pcp:368kB free_cma:0kB [ 257.249811][ T5186] lowmem_reserve[]: 0 0 0 0 0 [ 257.254642][ T5186] Node 0 DMA: 1*4kB (U) 1*8kB (M) 3*16kB (UM) 0*32kB 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10044kB [ 257.289838][ T5186] Node 0 DMA32: 576*4kB (UME) 487*8kB (UME) 443*16kB (UME) 775*32kB (UME) 207*64kB (UME) 31*128kB (UME) 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 55304kB [ 257.306191][ T5186] 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 [ 257.322195][ T5186] Node 1 Normal: 950*4kB (UME) 671*8kB (UME) 531*16kB (UME) 355*32kB (ME) 208*64kB (UME) 72*128kB (UME) 30*256kB (UME) 17*512kB (UME) 3*1024kB (UM) 2*2048kB (UM) 9*4096kB (U) = 111968kB [ 257.358354][ T5186] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.368174][ T5186] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 257.377971][ T5186] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 257.387685][ T5186] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 257.418844][ T5186] 1922 total pagecache pages [ 257.423481][ T5186] 1054 pages in swap cache [ 257.427990][ T5186] Free swap = 82456kB [ 257.432073][ T5186] Total swap = 124996kB [ 257.436588][ T5186] 2097051 pages RAM [ 257.440439][ T5186] 0 pages HighMem/MovableOnly [ 257.445179][ T5186] 429236 pages reserved [ 257.449339][ T5186] 0 pages cma reserved [ 257.453418][ T5186] Unreclaimable slab info: [ 257.478220][ T5186] Name Used Total [ 257.484988][ T5186] pid_2 29KB 39KB [ 257.491118][ T5186] bio-464 17KB 22KB [ 257.497338][ T5186] bio-528 19KB 31KB [ 257.503449][ T5186] bio-544 19KB 31KB [ 257.509615][ T5186] bio-552 19KB 31KB [ 257.535881][ T5186] zswap_entry 2786KB 2917KB [ 257.542010][ T5186] batadv_tt_change_cache 3KB 8KB [ 257.548609][ T5186] batadv_tl_cache 22KB 24KB [ 257.554854][ T5186] TIPC 68KB 92KB [ 257.561003][ T5186] SCTPv6 87KB 90KB [ 257.567367][ T5186] RXRPC 76KB 96KB [ 257.573450][ T5186] rxrpc_call_jar 397KB 446KB [ 257.596962][ T5186] net_bridge_fdb_entry 53KB 59KB [ 257.603428][ T5186] MPTCPv6 35KB 63KB [ 257.609587][ T5186] fib6_node 580KB 584KB [ 257.619887][ T5186] ip6_dst_cache 513KB 918KB [ 257.626096][ T5186] RAWv6 189KB 216KB [ 257.632215][ T5186] UDPv6 240KB 283KB [ 257.659123][ T5186] tw_sock_TCPv6 9KB 15KB [ 257.665336][ T5186] TCPv6 111KB 151KB [ 257.671560][ T5186] wg_peer 328KB 358KB [ 257.677808][ T5186] allowedips_node 41KB 43KB [ 257.683982][ T5186] t10_alua_lu_gp_cache 8KB 11KB [ 257.690568][ T5186] scsi_sense_cache 1318KB 1332KB [ 257.713828][ T5186] virtio_scsi_cmd 21KB 24KB [ 257.724955][ T5186] bio-136 52KB 72KB [ 257.731574][ T5186] bio-264 10KB 15KB [ 257.737855][ T5186] mqueue_inode_cache 43KB 60KB [ 257.744127][ T5186] f2fs_bio_post_read_ctx 30KB 31KB [ 257.750725][ T5186] jfs_mp 14KB 15KB [ 257.773826][ T5186] cifs_small_rq 28KB 32KB [ 257.779947][ T5186] cifs_request 67KB 67KB [ 257.786120][ T5186] cifs_mpx_ids 8KB 11KB [ 257.792288][ T5186] cifs_io_subrequest 42KB 47KB [ 257.798605][ T5186] cifs_io_request 105KB 111KB [ 257.805474][ T5186] nfs_commit_data 24KB 31KB [ 257.811596][ T5186] nfs_write_data 38KB 47KB [ 257.840312][ T5186] jbd2_inode 9KB 11KB [ 257.846504][ T5186] ext4_system_zone 1KB 3KB [ 257.852587][ T5186] ext4_io_end_vec 4KB 7KB [ 257.858845][ T5186] zspage 1007KB 1067KB [ 257.865040][ T5186] zs_handle 1022KB 2460KB [ 257.871124][ T5186] pid_namespace 19KB 46KB [ 257.891290][ T5186] kvm_gmem_inode_cache 15KB 15KB [ 257.898108][ T5186] rpc_buffers 25KB 31KB [ 257.904327][ T5186] rpc_tasks 8KB 11KB [ 257.910431][ T5186] UNIX-STREAM 61KB 214KB [ 257.913617][ T32] oom_reaper: reaped process 6235 (syz-execprog), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 257.916583][ T5186] UNIX 67KB 306KB [ 257.951700][ T5186] MPTCP 30KB 61KB [ 257.957909][ T5186] request_sock_subflow_v4 12KB 15KB [ 257.965156][ T5186] tcp_bind2_bucket 9KB 16KB [ 257.971266][ T5186] tcp_bind_bucket 15KB 16KB [ 257.977455][ T5186] ip_fib_trie 80KB 84KB [ 257.983535][ T5186] ip_fib_alias 293KB 296KB [ 258.003420][ T5186] rtable 34KB 52KB [ 258.009612][ T5186] RAW 45KB 63KB [ 258.015838][ T5186] UDP 250KB 320KB [ 258.021947][ T5186] request_sock_TCP 19KB 23KB [ 258.032690][ T5186] TCP 71KB 175KB [ 258.058660][ T5186] fs_bio_integrity 7KB 8KB [ 258.064873][ T5186] hugetlbfs_inode_cache 15KB 15KB [ 258.071304][ T5186] netfs_subrequest 35KB 37KB [ 258.077506][ T5186] netfs_request 105KB 111KB [ 258.083690][ T5186] bio-280 21KB 23KB [ 258.089769][ T5186] ep_head 3KB 16KB [ 258.109760][ T5186] eventpoll_pwq 10KB 15KB [ 258.115960][ T5186] eventpoll_epi 33KB 39KB [ 258.122042][ T5186] inotify_inode_mark 22KB 31KB [ 258.132432][ T5186] sgpool-128 17KB 29KB [ 258.138703][ T5186] sgpool-64 51KB 255KB [ 258.159252][ T5186] sgpool-32 20KB 94KB [ 258.161557][ T32] oom_reaper: reaped process 6548 (syz.2.19), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 258.165416][ T5186] sgpool-16 15KB 45KB [ 258.165432][ T5186] sgpool-8 3KB 30KB [ 258.165444][ T5186] bio_crypt_ctx 9KB 11KB [ 258.194369][ T5186] bio_integrity_data 7KB 8KB [ 258.200532][ T5186] request_queue 197KB 309KB [ 258.207131][ T5186] blkdev_ioc 8KB 11KB [ 258.213397][ T5186] bio-200 33KB 60KB [ 258.219575][ T5186] biovec-max 263KB 357KB [ 258.225735][ T5186] biovec-128 40KB 257KB [ 258.258165][ T5186] biovec-64 3KB 126KB [ 258.299624][ T5186] biovec-16 7KB 22KB [ 258.310275][ T5186] user_namespace 28KB 30KB [ 258.317124][ T5186] uid_cache 13KB 18KB [ 258.323221][ T5186] dmaengine-unmap-256 26KB 30KB [ 258.331313][ T5186] dmaengine-unmap-128 14KB 15KB [ 258.363997][ T5186] dmaengine-unmap-16 7KB 8KB [ 258.375268][ T5186] dmaengine-unmap-2 3KB 4KB [ 258.406977][ T5186] QIPCRTR 18KB 31KB [ 258.413119][ T5186] audit_buffer 11KB 11KB [ 258.419275][ T5186] skbuff_ext_cache 22KB 40KB [ 258.425472][ T5186] skbuff_small_head 10484KB 10555KB [ 258.431595][ T5186] skbuff_fclone_cache 21KB 45KB [ 258.443381][ T5186] skbuff_head_cache 10830KB 10848KB [ 258.463145][ T5186] configfs_dir_cache 15KB 16KB [ 258.469454][ T5186] file_lock_cache 5KB 15KB [ 258.476089][ T5186] file_lock_ctx 20KB 23KB [ 258.482216][ T5186] fsnotify_inode_mark_connector 18KB 27KB [ 258.489658][ T5186] taskstats 61KB 63KB [ 258.509425][ T5186] mem_cgroup_per_node 72KB 92KB [ 258.517100][ T5186] mem_cgroup 78KB 87KB [ 258.523208][ T5186] proc_dir_entry 1626KB 1631KB [ 258.529548][ T5186] pde_opener 2KB 15KB [ 258.535704][ T5186] seq_file 14KB 33KB [ 258.560960][ T5186] sigqueue 6KB 35KB [ 258.567207][ T5186] shmem_inode_cache 7432KB 7555KB [ 258.573300][ T5186] kernfs_iattrs_cache 12KB 15KB [ 258.579729][ T5186] kernfs_node_cache 45492KB 45720KB [ 258.585876][ T5186] mnt_cache 221KB 271KB [ 258.592557][ T5186] filp 171KB 874KB [ 258.613334][ T5186] names_cache 5KB 32KB [ 258.619619][ T5186] net_namespace 222KB 261KB [ 258.625918][ T5186] ima_iint_cache 13KB 35KB [ 258.633329][ T5186] lsm_inode_cache 1697KB 2071KB [ 258.660385][ T5186] lsm_file_cache 54KB 308KB [ 258.666579][ T5186] key_jar 24KB 31KB [ 258.672667][ T5186] uts_namespace 68KB 77KB [ 258.678912][ T5186] nsproxy 6KB 15KB [ 258.685202][ T5186] vm_area_struct 495KB 840KB [ 258.691324][ T5186] fs_cache 20KB 56KB [ 258.710894][ T5186] files_cache 74KB 302KB [ 258.717121][ T5186] signal_cache 1009KB 2033KB [ 258.723238][ T5186] sighand_cache 1288KB 2435KB [ 258.729618][ T5186] task_struct 4392KB 4880KB [ 258.735813][ T5186] cred 155KB 352KB [ 258.747175][ T5186] anon_vma_chain 174KB 330KB [ 258.753303][ T5186] anon_vma 236KB 410KB [ 258.776723][ T5186] pid 177KB 345KB [ 258.782875][ T5186] Acpi-Operand 112KB 198KB [ 258.789040][ T5186] Acpi-ParseExt 4KB 23KB [ 258.796597][ T5186] Acpi-Parse 8KB 23KB [ 258.802740][ T5186] Acpi-State 4KB 23KB [ 258.808858][ T5186] Acpi-Namespace 26KB 32KB [ 258.829078][ T5186] numa_policy 2KB 3KB [ 258.835348][ T5186] perf_event 15KB 31KB [ 258.841442][ T5186] trace_event_file 540KB 540KB [ 258.854088][ T5186] ftrace_event_field 1026KB 1027KB [ 258.860433][ T5186] pool_workqueue 1032KB 1072KB [ 258.866583][ T5186] task_group 49KB 63KB [ 258.872772][ T5186] maple_node 470KB 1920KB [ 258.893174][ T5186] mm_struct 229KB 765KB [ 258.899442][ T5186] vmap_area 315KB 352KB [ 258.905668][ T5186] debug_objects_cache 4381KB 4551KB [ 258.911958][ T5186] page->ptl 71KB 161KB [ 258.918097][ T5186] kmalloc-cg-8k 4208KB 4512KB [ 258.941418][ T5186] kmalloc-cg-4k 47304KB 48448KB [ 258.953771][ T5186] kmalloc-cg-2k 28912KB 29504KB [ 258.959920][ T5186] kmalloc-cg-1k 7320KB 7488KB [ 258.966064][ T5186] kmalloc-cg-512 3966KB 4192KB [ 258.972147][ T5186] kmalloc-cg-256 1230KB 1256KB [ 258.993474][ T5186] kmalloc-cg-128 744KB 760KB [ 258.999677][ T5186] kmalloc-cg-64 143KB 160KB [ 259.006812][ T5186] kmalloc-cg-32 44KB 200KB [ 259.012936][ T5186] kmalloc-cg-16 6KB 12KB [ 259.019170][ T5186] kmalloc-cg-8 56KB 72KB [ 259.039787][ T5186] kmalloc-cg-192 99KB 104KB [ 259.046083][ T5186] kmalloc-cg-96 93KB 100KB [ 259.057698][ T5186] kmalloc-8k 15728KB 16160KB [ 259.063927][ T5186] kmalloc-4k 148048KB 148192KB [ 259.070075][ T5186] kmalloc-2k 15032KB 20512KB [ 259.092697][ T5186] kmalloc-1k 49506KB 50188KB [ 259.099062][ T5186] kmalloc-512 23501KB 23528KB [ 259.105260][ T5186] kmalloc-256 7441KB 7564KB [ 259.111357][ T5186] kmalloc-128 2523KB 2532KB [ 259.118827][ T5186] kmalloc-64 4222KB 4352KB [ 259.140571][ T5186] kmalloc-32 3896KB 4456KB [ 259.146829][ T5186] kmalloc-16 488KB 496KB [ 259.158439][ T5186] kmalloc-8 591KB 624KB [ 259.165464][ T5186] kmalloc-192 2934KB 3172KB [ 259.171627][ T5186] kmalloc-96 3103KB 3516KB [ 259.192254][ T5186] kmem_cache_node 212KB 220KB [ 259.198475][ T5186] kmem_cache 176KB 195KB [ 259.204792][ T5186] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=klogd,pid=5186,uid=0 [ 259.218443][ T5186] Out of memory (oom_kill_allocating_task): Killed process 5186 (klogd) total-vm:4044kB, anon-rss:28kB, file-rss:8kB, shmem-rss:0kB, UID:0 pgtables:44kB oom_score_adj:0 [ 259.286095][ T2] kthreadd invoked oom-killer: gfp_mask=0xcc0(GFP_KERNEL), order=0, oom_score_adj=0 [ 259.312818][ T2] CPU: 1 UID: 0 PID: 2 Comm: kthreadd Not tainted syzkaller #0 PREEMPT(full) [ 259.312845][ T2] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 259.312855][ T2] Call Trace: [ 259.312862][ T2] [ 259.312871][ T2] dump_stack_lvl+0xe8/0x150 [ 259.312901][ T2] dump_header+0xd3/0x4c0 [ 259.312926][ T2] oom_kill_process+0x3ab/0x970 [ 259.312954][ T2] out_of_memory+0x106c/0x1410 [ 259.312989][ T2] ? __pfx_out_of_memory+0x10/0x10 [ 259.313018][ T2] __alloc_pages_may_oom+0x1ea/0x330 [ 259.313042][ T2] ? lockdep_hardirqs_on+0x7a/0x110 [ 259.313061][ T2] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 259.313081][ T2] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 259.313116][ T2] __alloc_pages_slowpath+0x6c2/0xd40 [ 259.313148][ T2] __alloc_frozen_pages_noprof+0x322/0x380 [ 259.313169][ T2] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 259.313186][ T2] ? __alloc_frozen_pages_noprof+0x1de/0x380 [ 259.313206][ T2] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 259.313228][ T2] ? __pfx_policy_nodemask+0x10/0x10 [ 259.313251][ T2] __alloc_pages_noprof+0x10/0x100 [ 259.313270][ T2] alloc_pages_bulk_noprof+0x5ff/0x7c0 [ 259.313297][ T2] ? alloc_pages_noprof+0x13b/0x2a0 [ 259.313318][ T2] __kasan_populate_vmalloc+0xc1/0x1d0 [ 259.313347][ T2] alloc_vmap_area+0xd73/0x14b0 [ 259.313384][ T2] ? __pfx_alloc_vmap_area+0x10/0x10 [ 259.313405][ T2] ? __kasan_kmalloc+0x93/0xb0 [ 259.313422][ T2] ? __get_vm_area_node+0x13f/0x300 [ 259.313441][ T2] ? __kmalloc_cache_node_noprof+0x248/0x6b0 [ 259.313459][ T2] ? copy_process+0x89b/0x4460 [ 259.313476][ T2] __get_vm_area_node+0x1f8/0x300 [ 259.313501][ T2] __vmalloc_node_range_noprof+0x36a/0x1750 [ 259.313524][ T2] ? copy_process+0x89b/0x4460 [ 259.313557][ T2] ? __memcg_slab_post_alloc_hook+0xcb/0xe80 [ 259.313589][ T2] ? __pfx___vmalloc_node_range_noprof+0x10/0x10 [ 259.313614][ T2] ? rcu_is_watching+0x15/0xb0 [ 259.313636][ T2] ? trace_kmem_cache_alloc+0x29/0xf0 [ 259.313655][ T2] ? memcpy_and_pad+0x48/0x80 [ 259.313677][ T2] __vmalloc_node_noprof+0xc2/0x100 [ 259.313708][ T2] ? copy_process+0x89b/0x4460 [ 259.313723][ T2] ? copy_process+0x89b/0x4460 [ 259.313742][ T2] dup_task_struct+0x2aa/0x880 [ 259.313758][ T2] ? _raw_spin_unlock_irq+0x23/0x50 [ 259.313786][ T2] copy_process+0x89b/0x4460 [ 259.313807][ T2] ? ktime_get+0x45/0x220 [ 259.313830][ T2] ? ktime_get+0x45/0x220 [ 259.313852][ T2] ? ktime_get+0x1f5/0x220 [ 259.313874][ T2] ? lapic_next_event+0x11/0x20 [ 259.313889][ T2] ? clockevents_program_event+0x3ba/0x4b0 [ 259.313910][ T2] ? __pfx_clockevents_program_event+0x10/0x10 [ 259.313932][ T2] ? __pfx_copy_process+0x10/0x10 [ 259.313961][ T2] kernel_clone+0x248/0x8e0 [ 259.313979][ T2] ? rcu_is_watching+0x15/0xb0 [ 259.313996][ T2] ? trace_sched_exit_tp+0x3a/0x150 [ 259.314019][ T2] ? __pfx_kernel_clone+0x10/0x10 [ 259.314035][ T2] ? __schedule+0x167b/0x5590 [ 259.314077][ T2] kernel_thread+0x13f/0x1b0 [ 259.314095][ T2] ? __pfx_kthread+0x10/0x10 [ 259.314115][ T2] ? __pfx_kernel_thread+0x10/0x10 [ 259.314141][ T2] ? __pfx_kthread+0x10/0x10 [ 259.314171][ T2] ? do_raw_spin_unlock+0xf5/0x210 [ 259.314196][ T2] kthreadd+0x4ec/0x6e0 [ 259.314219][ T2] ? kthreadd+0x286/0x6e0 [ 259.314234][ T2] ? __pfx_kthreadd+0x10/0x10 [ 259.314254][ T2] ret_from_fork+0x51e/0xb90 [ 259.314281][ T2] ? __pfx_ret_from_fork+0x10/0x10 [ 259.314303][ T2] ? __switch_to+0xc7d/0x1450 [ 259.314328][ T2] ? __pfx_kthreadd+0x10/0x10 [ 259.314348][ T2] ret_from_fork_asm+0x1a/0x30 [ 259.314381][ T2] [ 259.787950][ T2] Mem-Info: [ 259.791997][ T2] active_anon:376 inactive_anon:729 isolated_anon:0 [ 259.791997][ T2] active_file:97 inactive_file:0 isolated_file:0 [ 259.791997][ T2] unevictable:768 dirty:0 writeback:0 [ 259.791997][ T2] slab_reclaimable:8254 slab_unreclaimable:141759 [ 259.791997][ T2] mapped:2 shmem:772 pagetables:3384 [ 259.791997][ T2] sec_pagetables:0 bounce:0 [ 259.791997][ T2] kernel_misc_reclaimable:0 [ 259.791997][ T2] free:42015 free_pcp:158 free_cma:0 [ 259.953421][ T2] Node 0 active_anon:504kB inactive_anon:1140kB active_file:176kB inactive_file:0kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1548kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14432kB pagetables:11156kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 260.011672][ T2] Node 1 active_anon:936kB inactive_anon:940kB active_file:216kB 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 kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 260.065529][ T2] Node 0 DMA free:10044kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:8kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.150731][ T2] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 260.185080][ T2] Node 0 DMA32 free:55172kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:496kB inactive_anon:840kB active_file:176kB inactive_file:0kB unevictable:1536kB writepending:0kB zspages:800kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:236kB local_pcp:236kB free_cma:0kB [ 260.290144][ T2] lowmem_reserve[]: 0 0 0 0 0 [ 260.304030][ T2] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 260.368367][ T2] lowmem_reserve[]: 0 0 0 0 0 [ 260.373145][ T2] Node 1 Normal free:90984kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:936kB inactive_anon:240kB active_file:216kB inactive_file:0kB unevictable:1536kB writepending:0kB zspages:4208kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:296kB local_pcp:0kB free_cma:0kB [ 260.425328][ T2] lowmem_reserve[]: 0 0 0 0 0 [ 260.430132][ T2] Node 0 DMA: 3*4kB (UM) 2*8kB (M) 0*16kB 1*32kB (M) 2*64kB (UM) 1*128kB (M) 2*256kB (UM) 2*512kB (UM) 2*1024kB (UM) 1*2048kB (U) 1*4096kB (M) = 10044kB [ 260.452190][ T2] Node 0 DMA32: 225*4kB (UME) 256*8kB (UME) 239*16kB (UME) 268*32kB (UME) 291*64kB (UME) 113*128kB (UME) 17*256kB (UM) 5*512kB (M) 0*1024kB 0*2048kB 0*4096kB = 55348kB [ 260.490251][ T2] Node 0 Normal: 0*4kB 0*8kB 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 0kB [ 260.535059][ T2] Node 1 Normal: 391*4kB (ME) 331*8kB (ME) 313*16kB (UME) 237*32kB (ME) 177*64kB (UME) 117*128kB (UME) 55*256kB (UME) 16*512kB (UME) 7*1024kB (M) 5*2048kB (UM) 2*4096kB (UM) = 90980kB [ 260.607303][ T2] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.617192][ T2] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 260.627028][ T2] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 260.636951][ T2] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 260.661418][ T2] 905 total pagecache pages [ 260.666052][ T2] 40 pages in swap cache [ 260.670310][ T2] Free swap = 91264kB [ 260.674652][ T2] Total swap = 124996kB [ 260.678849][ T2] 2097051 pages RAM [ 260.682756][ T2] 0 pages HighMem/MovableOnly [ 260.692541][ T2] 429236 pages reserved [ 260.711707][ T2] 0 pages cma reserved [ 260.715921][ T2] Unreclaimable slab info: [ 260.720563][ T2] Name Used Total [ 260.729018][ T2] pid_2 29KB 39KB [ 260.735214][ T2] bio-464 17KB 22KB [ 260.741297][ T2] bio-528 19KB 31KB [ 260.762296][ T2] bio-544 19KB 31KB [ 260.768483][ T2] bio-552 19KB 31KB [ 260.774690][ T2] zswap_entry 2911KB 2996KB [ 260.781786][ T2] batadv_tt_change_cache 3KB 8KB [ 260.788411][ T2] batadv_tl_cache 22KB 24KB [ 260.813585][ T2] TIPC 68KB 92KB [ 260.819788][ T2] SCTPv6 87KB 90KB [ 260.826106][ T2] RXRPC 76KB 96KB [ 260.832221][ T2] rxrpc_call_jar 397KB 446KB [ 260.838427][ T2] net_bridge_fdb_entry 53KB 59KB [ 260.899016][ T2] MPTCPv6 35KB 63KB [ 260.905737][ T2] fib6_node 580KB 584KB [ 260.911969][ T2] ip6_dst_cache 487KB 915KB [ 260.922851][ T2] RAWv6 189KB 216KB [ 260.929315][ T2] UDPv6 240KB 283KB [ 260.952005][ T2] tw_sock_TCPv6 9KB 15KB [ 260.958590][ T2] TCPv6 111KB 151KB [ 260.965042][ T2] wg_peer 328KB 358KB [ 260.971157][ T2] allowedips_node 41KB 43KB [ 260.977331][ T2] t10_alua_lu_gp_cache 8KB 11KB [ 261.004797][ T2] scsi_sense_cache 1318KB 1332KB [ 261.011332][ T2] virtio_scsi_cmd 21KB 24KB [ 261.017883][ T2] bio-136 44KB 72KB [ 261.024337][ T2] bio-264 10KB 15KB [ 261.030473][ T2] mqueue_inode_cache 43KB 60KB [ 261.036765][ T2] f2fs_bio_post_read_ctx 30KB 31KB [ 261.043482][ T2] jfs_mp 14KB 15KB [ 261.066224][ T2] cifs_small_rq 28KB 32KB [ 261.072348][ T2] cifs_request 67KB 67KB [ 261.078636][ T2] cifs_mpx_ids 8KB 11KB [ 261.085945][ T2] cifs_io_subrequest 42KB 47KB [ 261.092159][ T2] cifs_io_request 105KB 111KB [ 261.121666][ T2] nfs_commit_data 24KB 31KB [ 261.128204][ T2] nfs_write_data 38KB 47KB [ 261.135771][ T2] jbd2_inode 9KB 11KB [ 261.141884][ T2] ext4_system_zone 1KB 3KB [ 261.148054][ T2] ext4_io_end_vec 4KB 7KB [ 261.170790][ T2] zspage 1007KB 1067KB [ 261.177066][ T2] zs_handle 1070KB 2496KB [ 261.183180][ T2] pid_namespace 19KB 46KB [ 261.189393][ T2] kvm_gmem_inode_cache 15KB 15KB [ 261.195941][ T2] rpc_buffers 25KB 31KB [ 261.222511][ T2] rpc_tasks 8KB 11KB [ 261.228732][ T2] UNIX-STREAM 61KB 214KB [ 261.235266][ T2] UNIX 67KB 306KB [ 261.241378][ T2] MPTCP 30KB 61KB [ 261.253255][ T2] request_sock_subflow_v4 12KB 15KB [ 261.276451][ T2] tcp_bind2_bucket 9KB 16KB [ 261.282886][ T2] tcp_bind_bucket 15KB 16KB [ 261.289064][ T2] ip_fib_trie 80KB 84KB [ 261.295287][ T2] ip_fib_alias 293KB 296KB [ 261.305654][ T2] rtable 33KB 52KB [ 261.311780][ T2] RAW 45KB 63KB [ 261.333769][ T2] UDP 250KB 320KB [ 261.339927][ T2] request_sock_TCP 19KB 23KB [ 261.346446][ T2] TCP 71KB 175KB [ 261.352560][ T2] fs_bio_integrity 7KB 8KB [ 261.358746][ T2] hugetlbfs_inode_cache 15KB 15KB [ 261.381185][ T2] netfs_subrequest 35KB 37KB [ 261.387513][ T2] netfs_request 105KB 111KB [ 261.393591][ T2] bio-280 21KB 23KB [ 261.399870][ T2] ep_head 3KB 16KB [ 261.410258][ T2] eventpoll_pwq 10KB 15KB [ 261.432293][ T2] eventpoll_epi 33KB 39KB [ 261.438511][ T2] inotify_inode_mark 22KB 31KB [ 261.444847][ T2] sgpool-128 17KB 29KB [ 261.451044][ T2] sgpool-64 14KB 255KB [ 261.457570][ T2] sgpool-32 13KB 94KB [ 261.481238][ T2] sgpool-16 15KB 45KB [ 261.493138][ T2] sgpool-8 3KB 30KB [ 261.499583][ T2] bio_crypt_ctx 9KB 11KB [ 261.505751][ T2] bio_integrity_data 7KB 8KB [ 261.535833][ T2] request_queue 197KB 309KB [ 261.541974][ T2] blkdev_ioc 8KB 11KB [ 261.549356][ T2] bio-200 30KB 60KB [ 261.555668][ T2] biovec-max 250KB 357KB [ 261.561793][ T2] biovec-128 38KB 257KB [ 261.569183][ T2] biovec-64 0KB 126KB [ 261.594991][ T2] biovec-16 7KB 22KB [ 261.601119][ T2] user_namespace 28KB 30KB [ 261.607280][ T2] uid_cache 13KB 18KB [ 261.619088][ T2] dmaengine-unmap-256 26KB 30KB [ 261.625472][ T2] dmaengine-unmap-128 14KB 15KB [ 261.631845][ T2] dmaengine-unmap-16 7KB 8KB [ 261.656772][ T2] dmaengine-unmap-2 3KB 4KB [ 261.662890][ T2] QIPCRTR 18KB 31KB [ 261.669051][ T2] audit_buffer 11KB 11KB [ 261.675590][ T2] skbuff_ext_cache 19KB 40KB [ 261.681700][ T2] skbuff_small_head 10706KB 10785KB [ 261.688030][ T2] skbuff_fclone_cache 21KB 45KB [ 261.718945][ T2] skbuff_head_cache 11030KB 11036KB [ 261.725712][ T2] configfs_dir_cache 15KB 16KB [ 261.731941][ T2] file_lock_cache 5KB 15KB [ 261.738248][ T2] file_lock_ctx 20KB 23KB [ 261.744751][ T2] fsnotify_inode_mark_connector 18KB 27KB [ 261.752026][ T2] taskstats 61KB 63KB [ 261.776976][ T2] mem_cgroup_per_node 72KB 92KB [ 261.783366][ T2] mem_cgroup 78KB 87KB [ 261.789885][ T2] proc_dir_entry 1626KB 1631KB [ 261.796216][ T2] pde_opener 2KB 15KB [ 261.802330][ T2] seq_file 14KB 33KB [ 261.808516][ T2] sigqueue 6KB 35KB [ 261.824353][ T6548] syz.2.19: page allocation failure: order:0, mode:0xd00(GFP_NOIO|__GFP_ZERO), nodemask=(null),cpuset=/,mems_allowed=0-1 [ 261.834646][ T2] shmem_inode_cache 7432KB 7555KB [ 261.843099][ T2] kernfs_iattrs_cache 12KB 15KB [ 261.849456][ T2] kernfs_node_cache 45489KB 45720KB [ 261.855687][ T2] mnt_cache 221KB 271KB [ 261.861815][ T2] filp 171KB 874KB [ 261.867987][ T2] names_cache 5KB 32KB [ 261.894702][ T2] net_namespace 222KB 261KB [ 261.900846][ T2] ima_iint_cache 13KB 35KB [ 261.907121][ T2] lsm_inode_cache 1697KB 2071KB [ 261.913209][ T2] lsm_file_cache 54KB 308KB [ 261.925028][ T2] key_jar 24KB 31KB [ 261.926348][ T6548] CPU: 1 UID: 0 PID: 6548 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) [ 261.926371][ T6548] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 261.926381][ T6548] Call Trace: [ 261.926389][ T6548] [ 261.926395][ T6548] dump_stack_lvl+0xe8/0x150 [ 261.926424][ T6548] warn_alloc+0x249/0x340 [ 261.926447][ T6548] ? __pfx_warn_alloc+0x10/0x10 [ 261.926481][ T6548] __alloc_pages_slowpath+0xcac/0xd40 [ 261.926518][ T6548] __alloc_frozen_pages_noprof+0x322/0x380 [ 261.926545][ T6548] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 261.926568][ T6548] ? __pfx_policy_nodemask+0x10/0x10 [ 261.926597][ T6548] alloc_pages_mpol+0x232/0x4a0 [ 261.926619][ T6548] alloc_pages_noprof+0xac/0x2a0 [ 261.926639][ T6548] relay_open_buf+0x28c/0xde0 [ 261.926668][ T6548] relay_open+0x427/0x920 [ 261.926691][ T6548] blk_trace_setup_prepare+0x425/0x5a0 [ 261.926717][ T6548] blk_trace_setup+0x2f8/0x520 [ 261.926785][ T6548] ? __pfx_blk_trace_setup+0x10/0x10 [ 261.926826][ T6548] ? snprintf+0xe8/0x140 [ 261.926866][ T6548] blk_trace_ioctl+0x37f/0x920 [ 261.926893][ T6548] ? __pfx_blk_trace_ioctl+0x10/0x10 [ 261.926918][ T6548] ? kasan_quarantine_put+0xbb/0x1f0 [ 261.926948][ T6548] ? tomoyo_path_number_perm+0x219/0x630 [ 261.926971][ T6548] ? tomoyo_path_number_perm+0x219/0x630 [ 261.926995][ T6548] ? do_vfs_ioctl+0x1166/0x1530 [ 261.927015][ T6548] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 261.927065][ T6548] blkdev_ioctl+0x4c1/0x740 [ 261.927089][ T6548] ? __pfx_blkdev_ioctl+0x10/0x10 [ 261.927107][ T6548] ? __fget_files+0x2a/0x420 [ 261.927132][ T6548] ? bpf_lsm_file_ioctl+0x9/0x20 [ 261.927149][ T6548] ? __pfx_blkdev_ioctl+0x10/0x10 [ 261.927168][ T6548] __se_sys_ioctl+0xfc/0x170 [ 261.927188][ T6548] do_syscall_64+0x14d/0xf80 [ 261.927205][ T6548] ? trace_irq_disable+0x3b/0x150 [ 261.927224][ T6548] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.927240][ T6548] ? clear_bhb_loop+0x40/0x90 [ 261.927261][ T6548] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 261.927278][ T6548] RIP: 0033:0x7f3a7599aef9 [ 261.927301][ T6548] Code: Unable to access opcode bytes at 0x7f3a7599aecf. [ 261.927309][ T6548] RSP: 002b:00007f3a76805028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 261.927328][ T6548] RAX: ffffffffffffffda RBX: 00007f3a75c05fa0 RCX: 00007f3a7599aef9 [ 261.927339][ T6548] RDX: 0000200000000240 RSI: 00000000c0481273 RDI: 0000000000000003 [ 261.927350][ T6548] RBP: 00007f3a75a2fee0 R08: 0000000000000000 R09: 0000000000000000 [ 261.927360][ T6548] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 261.927370][ T6548] R13: 00007f3a75c06038 R14: 00007f3a75c05fa0 R15: 00007ffec79b1878 [ 261.927398][ T6548] [ 261.927404][ T6548] Mem-Info: [ 261.932308][ T2] uts_namespace 68KB 77KB [ 262.217831][ T6548] active_anon:31 inactive_anon:5 isolated_anon:0 [ 262.217831][ T6548] active_file:0 inactive_file:76 isolated_file:0 [ 262.217831][ T6548] unevictable:768 dirty:0 writeback:0 [ 262.217831][ T6548] slab_reclaimable:8254 slab_unreclaimable:142140 [ 262.217831][ T6548] mapped:2 shmem:768 pagetables:3373 [ 262.217831][ T6548] sec_pagetables:0 bounce:0 [ 262.217831][ T6548] kernel_misc_reclaimable:0 [ 262.217831][ T6548] free:36416 free_pcp:2113 free_cma:0 [ 262.285184][ T2] nsproxy 6KB 15KB [ 262.291600][ T2] vm_area_struct 495KB 840KB [ 262.352858][ T2] fs_cache 20KB 56KB [ 262.359071][ T2] files_cache 74KB 302KB [ 262.371771][ T2] signal_cache 1009KB 2033KB [ 262.400758][ T2] sighand_cache 1288KB 2435KB [ 262.406958][ T2] task_struct 4392KB 4880KB [ 262.413055][ T2] cred 155KB 352KB [ 262.419281][ T2] anon_vma_chain 174KB 330KB [ 262.425479][ T2] anon_vma 236KB 410KB [ 262.454272][ T2] pid 177KB 345KB [ 262.460399][ T2] Acpi-Operand 112KB 198KB [ 262.466534][ T2] Acpi-ParseExt 4KB 23KB [ 262.472710][ T2] Acpi-Parse 8KB 23KB [ 262.478906][ T2] Acpi-State 4KB 23KB [ 262.485235][ T2] Acpi-Namespace 26KB 32KB [ 262.491350][ T2] numa_policy 2KB 3KB [ 262.494811][ T6548] Node 0 active_anon:8kB inactive_anon:88kB active_file:0kB inactive_file:228kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14432kB pagetables:11156kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 262.513196][ T2] perf_event 15KB 31KB [ 262.540592][ T2] trace_event_file 540KB 540KB [ 262.546817][ T2] ftrace_event_field 1026KB 1027KB [ 262.552993][ T2] pool_workqueue 1032KB 1072KB [ 262.573617][ T2] task_group 49KB 63KB [ 262.579972][ T2] maple_node 470KB 1920KB [ 262.586198][ T2] mm_struct 229KB 765KB [ 262.592403][ T2] vmap_area 315KB 352KB [ 262.598695][ T2] debug_objects_cache 4381KB 4551KB [ 262.619523][ T2] page->ptl 71KB 161KB [ 262.625880][ T2] kmalloc-cg-8k 4208KB 4512KB [ 262.632042][ T2] kmalloc-cg-4k 47304KB 48448KB [ 262.644624][ T6548] Node 1 active_anon:56kB inactive_anon:0kB active_file:0kB inactive_file:208kB 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 kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 262.676625][ T6548] Node 0 DMA free:10028kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.723472][ T6548] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 262.729387][ T6548] Node 0 DMA32 free:44088kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:80kB inactive_anon:16kB active_file:88kB inactive_file:88kB unevictable:1536kB writepending:0kB zspages:1036kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:7172kB local_pcp:900kB free_cma:0kB [ 262.757209][ T2] kmalloc-cg-2k 28912KB 29504KB [ 262.767694][ T6548] lowmem_reserve[]: 0 0 0 0 0 [ 262.773244][ T6548] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 262.826285][ T6548] lowmem_reserve[]: 0 0 0 0 0 [ 262.828124][ T2] kmalloc-cg-1k 7320KB 7488KB [ 262.844432][ T2] kmalloc-cg-512 3966KB 4192KB [ 262.850571][ T2] kmalloc-cg-256 1230KB 1256KB [ 262.858574][ T2] kmalloc-cg-128 744KB 760KB [ 262.870621][ T6548] Node 1 Normal free:90548kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:24kB inactive_anon:76kB active_file:0kB inactive_file:228kB unevictable:1536kB writepending:0kB zspages:4496kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:224kB local_pcp:32kB free_cma:0kB [ 262.879697][ T2] kmalloc-cg-64 143KB 160KB [ 262.909979][ T2] kmalloc-cg-32 44KB 200KB [ 262.916227][ T2] kmalloc-cg-16 6KB 12KB [ 262.922340][ T2] kmalloc-cg-8 56KB 72KB [ 262.928996][ T2] kmalloc-cg-192 99KB 104KB [ 262.957507][ T2] kmalloc-cg-96 93KB 100KB [ 262.963798][ T2] kmalloc-8k 15728KB 16160KB [ 262.969883][ T2] kmalloc-4k 145416KB 145496KB [ 262.976114][ T2] kmalloc-2k 15020KB 20512KB [ 262.982234][ T2] kmalloc-1k 52626KB 52660KB [ 262.988375][ T2] kmalloc-512 24985KB 25020KB [ 263.013789][ T2] kmalloc-256 7559KB 7564KB [ 263.019990][ T2] kmalloc-128 2790KB 2800KB [ 263.026158][ T2] kmalloc-64 4489KB 4492KB [ 263.032302][ T2] kmalloc-32 3933KB 4456KB [ 263.038696][ T2] kmalloc-16 490KB 496KB [ 263.050971][ T2] kmalloc-8 591KB 624KB [ 263.073618][ T2] kmalloc-192 2934KB 3172KB [ 263.080791][ T2] kmalloc-96 3225KB 3360KB [ 263.087485][ T2] kmem_cache_node 212KB 220KB [ 263.093997][ T2] kmem_cache 176KB 195KB [ 263.100124][ T2] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/syz8,task=syz.8.32,pid=7209,uid=0 [ 263.129769][ T2] Out of memory: Killed process 7210 (syz.8.32) total-vm:44936kB, anon-rss:0kB, file-rss:4kB, shmem-rss:0kB, UID:0 pgtables:84kB oom_score_adj:1000 [ 263.162866][ T6548] lowmem_reserve[]: 0 0 0 0 0 [ 263.192626][ T5492] dhcpcd invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 [ 263.201054][ T6548] Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10028kB [ 263.221538][ T5492] CPU: 1 UID: 101 PID: 5492 Comm: dhcpcd Not tainted syzkaller #0 PREEMPT(full) [ 263.221560][ T5492] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 263.221570][ T5492] Call Trace: [ 263.221578][ T5492] [ 263.221585][ T5492] dump_stack_lvl+0xe8/0x150 [ 263.221613][ T5492] dump_header+0xd3/0x4c0 [ 263.221637][ T5492] oom_kill_process+0x3ab/0x970 [ 263.221665][ T5492] out_of_memory+0x1141/0x1410 [ 263.221697][ T5492] ? __pfx_out_of_memory+0x10/0x10 [ 263.221728][ T5492] __alloc_pages_may_oom+0x1ea/0x330 [ 263.221751][ T5492] ? lockdep_hardirqs_on+0x7a/0x110 [ 263.221771][ T5492] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 263.221792][ T5492] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 263.221828][ T5492] __alloc_pages_slowpath+0x6c2/0xd40 [ 263.221864][ T5492] __alloc_frozen_pages_noprof+0x322/0x380 [ 263.221893][ T5492] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 263.221914][ T5492] ? __pfx_policy_nodemask+0x10/0x10 [ 263.221942][ T5492] alloc_pages_mpol+0x232/0x4a0 [ 263.221965][ T5492] alloc_pages_noprof+0xac/0x2a0 [ 263.221986][ T5492] folio_alloc_noprof+0x1e/0x30 [ 263.222003][ T5492] filemap_alloc_folio_noprof+0x111/0x470 [ 263.222031][ T5492] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 263.222063][ T5492] __filemap_get_folio_mpol+0x3fc/0xb00 [ 263.222095][ T5492] filemap_fault+0x9ac/0x1320 [ 263.222125][ T5492] ? __pfx_filemap_fault+0x10/0x10 [ 263.222151][ T5492] ? __pfx_filemap_map_pages+0x10/0x10 [ 263.222176][ T5492] __do_fault+0x3e7/0x590 [ 263.222196][ T5492] ? do_pte_missing+0x127b/0x34f0 [ 263.222210][ T5492] do_pte_missing+0x2233/0x34f0 [ 263.222238][ T5492] ? handle_mm_fault+0xee/0x3170 [ 263.222264][ T5492] handle_mm_fault+0x1bd7/0x3170 [ 263.222298][ T5492] ? handle_mm_fault+0xee/0x3170 [ 263.222327][ T5492] ? __pfx_handle_mm_fault+0x10/0x10 [ 263.222348][ T5492] ? lock_vma_under_rcu+0x45a/0x500 [ 263.222370][ T5492] ? __pfx_set_user_sigmask+0x10/0x10 [ 263.222403][ T5492] ? __se_sys_ppoll+0x220/0x2b0 [ 263.222432][ T5492] do_user_addr_fault+0xa73/0x1340 [ 263.222460][ T5492] ? rcu_is_watching+0x15/0xb0 [ 263.222478][ T5492] ? trace_page_fault_user+0x84/0x210 [ 263.222503][ T5492] exc_page_fault+0x6a/0xc0 [ 263.222519][ T5492] asm_exc_page_fault+0x26/0x30 [ 263.222535][ T5492] RIP: 0033:0x7f007788b407 [ 263.222558][ T5492] Code: Unable to access opcode bytes at 0x7f007788b3dd. [ 263.222566][ T5492] RSP: 002b:00007fff050be940 EFLAGS: 00010202 [ 263.222581][ T5492] RAX: 0000000000000000 RBX: 00007f0077801780 RCX: 00007f007788b407 [ 263.222593][ T5492] RDX: 00007fff050be980 RSI: 0000000000000005 RDI: 00005556e8070b80 [ 263.222603][ T5492] RBP: 00007fff050bec80 R08: 0000000000000008 R09: 0000000000000000 [ 263.222613][ T5492] R10: 00007fff050bec80 R11: 0000000000000202 R12: 00005556c4ffb5e0 [ 263.222624][ T5492] R13: 00005556e8088d40 R14: 0000000000000000 R15: 00007fff050bea30 [ 263.222650][ T5492] [ 263.222676][ T5492] Mem-Info: [ 263.396890][ T6548] Node 0 [ 263.597121][ T5492] active_anon:15 inactive_anon:21 isolated_anon:0 [ 263.597121][ T5492] active_file:22 inactive_file:49 isolated_file:0 [ 263.597121][ T5492] unevictable:768 dirty:0 writeback:0 [ 263.597121][ T5492] slab_reclaimable:8254 slab_unreclaimable:143571 [ 263.597121][ T5492] mapped:2 shmem:768 pagetables:3373 [ 263.597121][ T5492] sec_pagetables:0 bounce:0 [ 263.597121][ T5492] kernel_misc_reclaimable:0 [ 263.597121][ T5492] free:36021 free_pcp:1059 free_cma:0 [ 263.666946][ T5492] Node 0 active_anon:48kB inactive_anon:48kB active_file:76kB inactive_file:100kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14432kB pagetables:11156kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 263.714948][ T5492] Node 1 active_anon:32kB inactive_anon:16kB active_file:136kB inactive_file:72kB 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 kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 263.745627][ T5492] Node 0 DMA free:10028kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 263.797687][ T5492] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 263.803509][ T5492] Node 0 DMA32 free:43308kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:64kB inactive_anon:32kB active_file:132kB inactive_file:44kB unevictable:1536kB writepending:0kB zspages:1036kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:3468kB local_pcp:200kB free_cma:0kB [ 263.837187][ T5492] lowmem_reserve[]: 0 0 0 0 0 [ 263.841963][ T5492] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 263.895792][ T5492] lowmem_reserve[]: 0 0 0 0 0 [ 263.900571][ T5492] Node 1 Normal free:90548kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:100kB inactive_anon:0kB active_file:36kB inactive_file:172kB unevictable:1536kB writepending:0kB zspages:4496kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:256kB local_pcp:224kB free_cma:0kB [ 263.933764][ T5492] lowmem_reserve[]: 0 0 0 0 0 [ 263.938560][ T5492] Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10028kB [ 263.953182][ T5492] Node 0 DMA32: 183*4kB (UME) 221*8kB (UME) 211*16kB (UME) 184*32kB (UME) 126*64kB (UME) 109*128kB (UME) 21*256kB (UM) 6*512kB (M) 1*1024kB (M) 0*2048kB 0*4096kB = 43252kB [ 263.992904][ T5492] 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 [ 264.004748][ T5492] Node 1 Normal: 313*4kB (UME) 270*8kB (UME) 274*16kB (UME) 212*32kB (ME) 157*64kB (ME) 107*128kB (ME) 52*256kB (ME) 14*512kB (ME) 11*1024kB (M) 4*2048kB (UM) 3*4096kB (UM) = 90548kB [ 264.023122][ T5492] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.060019][ T5492] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 264.075556][ T5492] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.087000][ T5492] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 264.114398][ T5492] 896 total pagecache pages [ 264.118989][ T5492] 36 pages in swap cache [ 264.123235][ T5492] Free swap = 89944kB [ 264.127471][ T5492] Total swap = 124996kB [ 264.132034][ T5492] 2097051 pages RAM [ 264.135946][ T5492] 0 pages HighMem/MovableOnly [ 264.140653][ T5492] 429236 pages reserved [ 264.144907][ T5492] 0 pages cma reserved [ 264.148981][ T5492] Unreclaimable slab info: [ 264.153394][ T5492] Name Used Total [ 264.181694][ T5492] pid_2 29KB 39KB [ 264.187871][ T5492] bio-464 17KB 22KB [ 264.194057][ T5492] bio-528 19KB 31KB [ 264.200190][ T5492] bio-544 19KB 31KB [ 264.206353][ T5492] bio-552 19KB 31KB [ 264.212456][ T5492] zswap_entry 2936KB 3008KB [ 264.232422][ T5492] batadv_tt_change_cache 3KB 8KB [ 264.239096][ T5492] batadv_tl_cache 22KB 24KB [ 264.245324][ T5492] TIPC 68KB 92KB [ 264.251449][ T5492] SCTPv6 87KB 90KB [ 264.257634][ T5492] RXRPC 76KB 96KB [ 264.286849][ T5492] rxrpc_call_jar 397KB 446KB [ 264.292979][ T5492] net_bridge_fdb_entry 53KB 59KB [ 264.299375][ T5492] MPTCPv6 35KB 63KB [ 264.305588][ T5492] fib6_node 580KB 584KB [ 264.311727][ T5492] ip6_dst_cache 509KB 915KB [ 264.317899][ T5492] RAWv6 189KB 216KB [ 264.340607][ T5492] UDPv6 240KB 283KB [ 264.346829][ T5492] tw_sock_TCPv6 9KB 15KB [ 264.352920][ T5492] TCPv6 111KB 151KB [ 264.359294][ T5492] wg_peer 328KB 358KB [ 264.365481][ T5492] allowedips_node 41KB 43KB [ 264.371777][ T5492] t10_alua_lu_gp_cache 8KB 11KB [ 264.401537][ T5492] scsi_sense_cache 1318KB 1332KB [ 264.407753][ T5492] virtio_scsi_cmd 21KB 24KB [ 264.414040][ T5492] bio-136 44KB 72KB [ 264.420175][ T5492] bio-264 10KB 15KB [ 264.426328][ T5492] mqueue_inode_cache 43KB 60KB [ 264.432505][ T5492] f2fs_bio_post_read_ctx 30KB 31KB [ 264.435399][ T6548] DMA32: [ 264.460936][ T5492] jfs_mp 14KB 15KB [ 264.470068][ T5492] cifs_small_rq 28KB 32KB [ 264.481999][ T5492] cifs_request 67KB 67KB [ 264.488216][ T5492] cifs_mpx_ids 8KB 11KB [ 264.490978][ T6548] 183*4kB [ 264.494521][ T5492] cifs_io_subrequest 42KB 47KB [ 264.494540][ T5492] cifs_io_request 105KB 111KB [ 264.494570][ T5492] nfs_commit_data 24KB 31KB [ 264.494583][ T5492] nfs_write_data 38KB 47KB [ 264.494622][ T5492] jbd2_inode 9KB 11KB [ 264.494636][ T5492] ext4_system_zone 1KB 3KB [ 264.494648][ T5492] ext4_io_end_vec 4KB 7KB [ 264.494702][ T5492] zspage 1007KB 1067KB [ 264.494771][ T5492] zs_handle 1075KB 2500KB [ 264.553996][ T6548] (UME) 220*8kB (ME) 210*16kB (ME) 183*32kB (ME) 123*64kB (UME) 107*128kB (UME) 21*256kB (UM) 6*512kB (M) 1*1024kB (M) 0*2048kB 0*4096kB = 42748kB [ 264.569256][ T5492] pid_namespace 19KB 46KB [ 264.569279][ T5492] kvm_gmem_inode_cache 15KB 15KB [ 264.569300][ T5492] rpc_buffers 25KB 31KB [ 264.569314][ T5492] rpc_tasks 8KB 11KB [ 264.569325][ T5492] UNIX-STREAM 61KB 214KB [ 264.569338][ T5492] UNIX 67KB 306KB [ 264.569354][ T5492] MPTCP 30KB 61KB [ 264.569367][ T5492] request_sock_subflow_v4 12KB 15KB [ 264.569378][ T5492] tcp_bind2_bucket 9KB 16KB [ 264.569389][ T5492] tcp_bind_bucket 15KB 16KB [ 264.667262][ T5492] ip_fib_trie 80KB 84KB [ 264.702030][ T6548] 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 [ 264.712097][ T5492] ip_fib_alias 293KB 296KB [ 264.714134][ T6548] Node 1 Normal: 313*4kB (UME) 270*8kB (UME) 274*16kB (UME) 212*32kB (ME) 157*64kB (ME) 107*128kB (ME) 52*256kB (ME) 14*512kB (ME) 11*1024kB (M) 4*2048kB (UM) 3*4096kB (UM) = 90548kB [ 264.745608][ T5492] rtable 33KB 52KB [ 264.774721][ T5492] RAW 45KB 63KB [ 264.780881][ T5492] UDP 250KB 320KB [ 264.792802][ T5492] request_sock_TCP 19KB 23KB [ 264.830356][ T6548] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.841473][ T6548] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 264.856287][ T5492] TCP 71KB 175KB [ 264.872967][ T6548] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 264.898210][ T5492] fs_bio_integrity 7KB 8KB [ 264.898296][ T6548] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 264.930547][ T6548] 896 total pagecache pages [ 264.935159][ T6548] 36 pages in swap cache [ 264.939515][ T6548] Free swap = 89944kB [ 264.943589][ T6548] Total swap = 124996kB [ 264.947894][ T6548] 2097051 pages RAM [ 264.951752][ T6548] 0 pages HighMem/MovableOnly [ 264.952095][ T5492] hugetlbfs_inode_cache 15KB 15KB [ 264.956478][ T6548] 429236 pages reserved [ 264.956489][ T6548] 0 pages cma reserved [ 264.996941][ T5492] netfs_subrequest 35KB 37KB [ 265.011538][ T5492] netfs_request 105KB 111KB [ 265.017844][ T5492] bio-280 21KB 23KB [ 265.023995][ T5492] ep_head 3KB 16KB [ 265.030279][ T5492] eventpoll_pwq 10KB 15KB [ 265.049347][ T5492] eventpoll_epi 33KB 39KB [ 265.056875][ T5492] inotify_inode_mark 22KB 31KB [ 265.063060][ T5492] sgpool-128 17KB 29KB [ 265.069322][ T5492] sgpool-64 14KB 255KB [ 265.075490][ T5492] sgpool-32 13KB 94KB [ 265.081580][ T5492] sgpool-16 15KB 45KB [ 265.114448][ T5492] sgpool-8 3KB 30KB [ 265.120585][ T5492] bio_crypt_ctx 9KB 11KB [ 265.126774][ T5492] bio_integrity_data 7KB 8KB [ 265.132984][ T5492] request_queue 197KB 309KB [ 265.139189][ T5492] blkdev_ioc 8KB 11KB [ 265.160547][ T5492] bio-200 30KB 60KB [ 265.168588][ T32] oom_reaper: reaped process 7210 (syz.8.32), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 265.179033][ T5492] biovec-max 250KB 357KB [ 265.185194][ T5492] biovec-128 38KB 257KB [ 265.191291][ T5492] biovec-64 0KB 126KB [ 265.218544][ T5492] biovec-16 7KB 22KB [ 265.224861][ T5492] user_namespace 28KB 30KB [ 265.230961][ T5492] uid_cache 13KB 18KB [ 265.237203][ T5492] dmaengine-unmap-256 26KB 30KB [ 265.243493][ T5492] dmaengine-unmap-128 14KB 15KB [ 265.250334][ T5492] dmaengine-unmap-16 7KB 8KB [ 265.274786][ T5492] dmaengine-unmap-2 3KB 4KB [ 265.280907][ T5492] QIPCRTR 18KB 31KB [ 265.287129][ T5492] audit_buffer 11KB 11KB [ 265.293214][ T5492] skbuff_ext_cache 18KB 36KB [ 265.305308][ T5492] skbuff_small_head 12956KB 12961KB [ 265.311440][ T5492] skbuff_fclone_cache 21KB 45KB [ 265.317757][ T5492] skbuff_head_cache 13370KB 13376KB [ 265.345586][ T5492] configfs_dir_cache 15KB 16KB [ 265.352126][ T5492] file_lock_cache 5KB 15KB [ 265.358288][ T5492] file_lock_ctx 20KB 23KB [ 265.364555][ T5492] fsnotify_inode_mark_connector 18KB 27KB [ 265.371715][ T5492] taskstats 61KB 63KB [ 265.377857][ T5492] mem_cgroup_per_node 72KB 92KB [ 265.408944][ T5492] mem_cgroup 78KB 87KB [ 265.415113][ T5492] proc_dir_entry 1626KB 1631KB [ 265.421204][ T5492] pde_opener 2KB 15KB [ 265.430053][ T5492] seq_file 14KB 33KB [ 265.436289][ T5492] sigqueue 6KB 35KB [ 265.442391][ T5492] shmem_inode_cache 7432KB 7555KB [ 265.465344][ T5492] kernfs_iattrs_cache 12KB 15KB [ 265.471694][ T5492] kernfs_node_cache 45489KB 45720KB [ 265.477832][ T5492] mnt_cache 221KB 271KB [ 265.489060][ T5492] filp 171KB 874KB [ 265.495225][ T5492] names_cache 5KB 32KB [ 265.521530][ T5492] net_namespace 222KB 261KB [ 265.527721][ T5492] ima_iint_cache 13KB 35KB [ 265.533967][ T5492] lsm_inode_cache 1697KB 2071KB [ 265.540091][ T5492] lsm_file_cache 54KB 308KB [ 265.546234][ T5492] key_jar 24KB 31KB [ 265.552324][ T5492] uts_namespace 68KB 77KB [ 265.574660][ T5492] nsproxy 6KB 15KB [ 265.580835][ T5492] vm_area_struct 495KB 840KB [ 265.586969][ T5492] fs_cache 20KB 56KB [ 265.593096][ T5492] files_cache 74KB 302KB [ 265.599331][ T5492] signal_cache 1009KB 2033KB [ 265.612189][ T5492] sighand_cache 1288KB 2435KB [ 265.636259][ T5492] task_struct 4392KB 4880KB [ 265.642387][ T5492] cred 155KB 352KB [ 265.649101][ T5492] anon_vma_chain 174KB 330KB [ 265.656640][ T5492] anon_vma 236KB 410KB [ 265.662777][ T5492] pid 177KB 345KB [ 265.668940][ T5492] Acpi-Operand 112KB 198KB [ 265.689664][ T5492] Acpi-ParseExt 4KB 23KB [ 265.696053][ T5492] Acpi-Parse 8KB 23KB [ 265.702272][ T5492] Acpi-State 4KB 23KB [ 265.714254][ T5492] Acpi-Namespace 26KB 32KB [ 265.720399][ T5492] numa_policy 2KB 3KB [ 265.726584][ T5492] perf_event 15KB 31KB [ 265.732668][ T5492] trace_event_file 540KB 540KB [ 265.753426][ T5492] ftrace_event_field 1026KB 1027KB [ 265.759700][ T5492] pool_workqueue 1032KB 1072KB [ 265.765908][ T5492] task_group 49KB 63KB [ 265.772045][ T5492] maple_node 470KB 1920KB [ 265.778190][ T5492] mm_struct 229KB 765KB [ 265.785844][ T5492] vmap_area 315KB 352KB [ 265.818245][ T5492] debug_objects_cache 4381KB 4551KB [ 265.824680][ T5492] page->ptl 71KB 161KB [ 265.830768][ T5492] kmalloc-cg-8k 4208KB 4512KB [ 265.837071][ T5492] kmalloc-cg-4k 47304KB 48448KB [ 265.843216][ T5492] kmalloc-cg-2k 28912KB 29504KB [ 265.849383][ T5492] kmalloc-cg-1k 7320KB 7488KB [ 265.871206][ T5492] kmalloc-cg-512 3966KB 4192KB [ 265.877617][ T5492] kmalloc-cg-256 1230KB 1256KB [ 265.884398][ T5492] kmalloc-cg-128 744KB 760KB [ 265.890798][ T5492] kmalloc-cg-64 143KB 160KB [ 265.896976][ T5492] kmalloc-cg-32 44KB 200KB [ 265.903057][ T5492] kmalloc-cg-16 6KB 12KB [ 265.932065][ T5492] kmalloc-cg-8 56KB 72KB [ 265.938245][ T5492] kmalloc-cg-192 99KB 104KB [ 265.945741][ T5492] kmalloc-cg-96 93KB 100KB [ 265.951883][ T5492] kmalloc-8k 15728KB 16160KB [ 265.958025][ T5492] kmalloc-4k 145416KB 145496KB [ 266.028864][ T5492] kmalloc-2k 15020KB 20512KB [ 266.035170][ T5492] kmalloc-1k 57502KB 58076KB [ 266.041287][ T5492] kmalloc-512 25112KB 25188KB [ 266.047841][ T5492] kmalloc-256 7559KB 7564KB [ 266.056908][ T5492] kmalloc-128 2790KB 2800KB [ 266.063352][ T5492] kmalloc-64 4995KB 5000KB [ 266.088307][ T5492] kmalloc-32 3965KB 4456KB [ 266.094468][ T5492] kmalloc-16 492KB 496KB [ 266.100570][ T5492] kmalloc-8 591KB 624KB [ 266.106912][ T5492] kmalloc-192 2934KB 3172KB [ 266.113034][ T5492] kmalloc-96 3436KB 3464KB [ 266.141637][ T5492] kmem_cache_node 212KB 220KB [ 266.147976][ T5492] kmem_cache 176KB 195KB [ 266.154181][ T5492] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=dhcpcd,pid=5492,uid=101 [ 266.168093][ T5492] Out of memory (oom_kill_allocating_task): Killed process 5492 (dhcpcd) total-vm:4148kB, anon-rss:4kB, file-rss:8kB, shmem-rss:0kB, UID:101 pgtables:48kB oom_score_adj:0 [ 266.222659][ T6243] syz-executor invoked oom-killer: gfp_mask=0x140cca(GFP_HIGHUSER_MOVABLE|__GFP_COMP), order=0, oom_score_adj=0 [ 266.250901][ T6243] CPU: 1 UID: 0 PID: 6243 Comm: syz-executor Not tainted syzkaller #0 PREEMPT(full) [ 266.250927][ T6243] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 266.250937][ T6243] Call Trace: [ 266.250944][ T6243] [ 266.250952][ T6243] dump_stack_lvl+0xe8/0x150 [ 266.250981][ T6243] dump_header+0xd3/0x4c0 [ 266.251005][ T6243] oom_kill_process+0x3ab/0x970 [ 266.251030][ T6243] out_of_memory+0x1141/0x1410 [ 266.251071][ T6243] ? __pfx_out_of_memory+0x10/0x10 [ 266.251104][ T6243] __alloc_pages_may_oom+0x1ea/0x330 [ 266.251128][ T6243] ? lockdep_hardirqs_on+0x7a/0x110 [ 266.251148][ T6243] ? __pfx___alloc_pages_may_oom+0x10/0x10 [ 266.251169][ T6243] ? unreserve_highatomic_pageblock+0x3ee/0x640 [ 266.251206][ T6243] __alloc_pages_slowpath+0x6c2/0xd40 [ 266.251245][ T6243] __alloc_frozen_pages_noprof+0x322/0x380 [ 266.251269][ T6243] ? __pfx___alloc_frozen_pages_noprof+0x10/0x10 [ 266.251291][ T6243] ? __pfx_policy_nodemask+0x10/0x10 [ 266.251320][ T6243] alloc_pages_mpol+0x232/0x4a0 [ 266.251345][ T6243] alloc_pages_noprof+0xac/0x2a0 [ 266.251366][ T6243] folio_alloc_noprof+0x1e/0x30 [ 266.251383][ T6243] filemap_alloc_folio_noprof+0x111/0x470 [ 266.251412][ T6243] ? __pfx_filemap_alloc_folio_noprof+0x10/0x10 [ 266.251446][ T6243] __filemap_get_folio_mpol+0x3fc/0xb00 [ 266.251480][ T6243] filemap_fault+0x9ac/0x1320 [ 266.251512][ T6243] ? __pfx_filemap_fault+0x10/0x10 [ 266.251538][ T6243] ? __pfx_filemap_map_pages+0x10/0x10 [ 266.251562][ T6243] __do_fault+0x3e7/0x590 [ 266.251584][ T6243] ? do_pte_missing+0x127b/0x34f0 [ 266.251599][ T6243] do_pte_missing+0x2233/0x34f0 [ 266.251629][ T6243] ? handle_mm_fault+0xee/0x3170 [ 266.251656][ T6243] handle_mm_fault+0x1bd7/0x3170 [ 266.251691][ T6243] ? handle_mm_fault+0xee/0x3170 [ 266.251719][ T6243] ? __pfx_handle_mm_fault+0x10/0x10 [ 266.251739][ T6243] ? lock_vma_under_rcu+0x45a/0x500 [ 266.251794][ T6243] do_user_addr_fault+0xa73/0x1340 [ 266.251825][ T6243] ? rcu_is_watching+0x15/0xb0 [ 266.251843][ T6243] ? trace_page_fault_user+0x84/0x210 [ 266.251869][ T6243] exc_page_fault+0x6a/0xc0 [ 266.251889][ T6243] asm_exc_page_fault+0x26/0x30 [ 266.251906][ T6243] RIP: 0033:0x7f46b5a78e25 [ 266.251929][ T6243] Code: Unable to access opcode bytes at 0x7f46b5a78dfb. [ 266.251938][ T6243] RSP: 002b:00007fffd1fbcea0 EFLAGS: 00010246 [ 266.251953][ T6243] RAX: 0000000000000024 RBX: 00007fffd1fbcf40 RCX: 0000000000000024 [ 266.251965][ T6243] RDX: 0000000000000024 RSI: 0000000000000000 RDI: 0000000000000024 [ 266.251975][ T6243] RBP: 00007fffd1fbd390 R08: 000055557323bb48 R09: 0000000000000001 [ 266.251987][ T6243] R10: 000055557323bb48 R11: 0000001000000000 R12: 00007fffd1fbd1e0 [ 266.251999][ T6243] R13: 0000000000000005 R14: 585858582e7a7973 R15: 00007fffd1fbd400 [ 266.252029][ T6243] [ 266.252035][ T6243] Mem-Info: [ 266.736161][ T6243] active_anon:42 inactive_anon:0 isolated_anon:0 [ 266.736161][ T6243] active_file:32 inactive_file:63 isolated_file:0 [ 266.736161][ T6243] unevictable:768 dirty:0 writeback:0 [ 266.736161][ T6243] slab_reclaimable:8254 slab_unreclaimable:145358 [ 266.736161][ T6243] mapped:2 shmem:768 pagetables:3373 [ 266.736161][ T6243] sec_pagetables:0 bounce:0 [ 266.736161][ T6243] kernel_misc_reclaimable:0 [ 266.736161][ T6243] free:44418 free_pcp:3013 free_cma:0 [ 266.780758][ T6243] Node 0 active_anon:112kB inactive_anon:0kB active_file:28kB inactive_file:144kB unevictable:1536kB isolated(anon):0kB isolated(file):0kB mapped:8kB dirty:0kB writeback:0kB shmem:1536kB shmem_thp:0kB shmem_pmdmapped:0kB anon_thp:0kB kernel_stack:14432kB pagetables:11156kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 266.827861][ T6243] Node 1 active_anon:12kB inactive_anon:36kB active_file:0kB inactive_file:228kB 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 kernel_stack:2912kB pagetables:2336kB sec_pagetables:0kB all_unreclaimable? yes Balloon:0kB [ 266.864725][ T6243] Node 0 DMA free:10028kB boost:0kB min:208kB low:260kB high:312kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:15992kB managed:15360kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 266.911862][ T6243] lowmem_reserve[]: 0 2485 2485 2485 2485 [ 266.917796][ T6243] Node 0 DMA32 free:37488kB boost:76804kB min:110944kB low:119476kB high:128008kB reserved_highatomic:0KB free_highatomic:0KB active_anon:12kB inactive_anon:76kB active_file:152kB inactive_file:20kB unevictable:1536kB writepending:0kB zspages:1032kB present:3129332kB managed:2544800kB mlocked:0kB bounce:0kB free_pcp:132kB local_pcp:92kB free_cma:0kB [ 267.006622][ T6243] lowmem_reserve[]: 0 0 0 0 0 [ 267.011441][ T6243] Node 0 Normal free:0kB boost:0kB min:0kB low:0kB high:0kB reserved_highatomic:0KB free_highatomic:0KB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB zspages:0kB present:1048580kB managed:0kB mlocked:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 267.062810][ T6243] lowmem_reserve[]: 0 0 0 0 0 [ 267.073804][ T6243] Node 1 Normal free:126536kB boost:125460kB min:181220kB low:195160kB high:209100kB reserved_highatomic:0KB free_highatomic:0KB active_anon:92kB inactive_anon:0kB active_file:28kB inactive_file:80kB unevictable:1536kB writepending:0kB zspages:4432kB present:4194300kB managed:4111100kB mlocked:0kB bounce:0kB free_pcp:27696kB local_pcp:8056kB free_cma:0kB [ 267.152032][ T6243] lowmem_reserve[]: 0 0 0 0 0 [ 267.161471][ T6243] Node 0 DMA: 1*4kB (U) 1*8kB (U) 0*16kB 1*32kB (U) 0*64kB 0*128kB 1*256kB (U) 1*512kB (U) 1*1024kB (U) 2*2048kB (UM) 1*4096kB (M) = 10028kB [ 267.209510][ T6243] Node 0 DMA32: 178*4kB (ME) 212*8kB (UME) 205*16kB (UME) 176*32kB (UME) 122*64kB (UME) 71*128kB (UME) 18*256kB (M) 6*512kB (M) 1*1024kB (U) 0*2048kB 0*4096kB = 36920kB [ 267.230059][ T6243] 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 [ 267.319153][ T6243] Node 1 Normal: 344*4kB (UME) 281*8kB (UME) 271*16kB (ME) 211*32kB (UME) 155*64kB (ME) 107*128kB (ME) 53*256kB (ME) 17*512kB (UME) 20*1024kB (UM) 8*2048kB (UM) 6*4096kB (UM) = 122040kB [ 267.338237][ T6243] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.370951][ T6243] Node 0 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 267.380380][ T6243] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 267.390089][ T6243] Node 1 hugepages_total=2 hugepages_free=2 hugepages_surp=0 hugepages_size=2048kB [ 267.399474][ T6243] 894 total pagecache pages [ 267.420694][ T6243] 34 pages in swap cache [ 267.425433][ T6243] Free swap = 91524kB [ 267.429613][ T6243] Total swap = 124996kB [ 267.433874][ T6243] 2097051 pages RAM [ 267.437709][ T6243] 0 pages HighMem/MovableOnly [ 267.442397][ T6243] 429236 pages reserved [ 267.452460][ T6243] 0 pages cma reserved [ 267.471867][ T6243] Unreclaimable slab info: [ 267.476372][ T6243] Name Used Total [ 267.482636][ T6243] pid_2 29KB 39KB [ 267.488903][ T6243] bio-464 17KB 22KB [ 267.496483][ T6243] bio-528 19KB 31KB [ 267.502937][ T6243] bio-544 19KB 31KB [ 267.526185][ T6243] bio-552 19KB 31KB [ 267.532330][ T6243] zswap_entry 2936KB 3008KB [ 267.538610][ T6243] batadv_tt_change_cache 3KB 8KB [ 267.545256][ T6243] batadv_tl_cache 22KB 24KB [ 267.556844][ T6243] TIPC 68KB 92KB [ 267.563096][ T6243] SCTPv6 87KB 90KB [ 267.591600][ T6243] RXRPC 76KB 96KB [ 267.597779][ T6243] rxrpc_call_jar 397KB 446KB [ 267.605333][ T6243] net_bridge_fdb_entry 53KB 59KB [ 267.611716][ T6243] MPTCPv6 35KB 63KB [ 267.617871][ T6243] fib6_node 580KB 584KB [ 267.640338][ T6243] ip6_dst_cache 555KB 915KB [ 267.647117][ T6243] RAWv6 189KB 216KB [ 267.660178][ T6243] UDPv6 240KB 283KB [ 267.666381][ T6243] tw_sock_TCPv6 9KB 15KB [ 267.672461][ T6243] TCPv6 111KB 151KB [ 267.694204][ T6243] wg_peer 328KB 358KB [ 267.700327][ T6243] allowedips_node 41KB 43KB [ 267.706529][ T6243] t10_alua_lu_gp_cache 8KB 11KB [ 267.712887][ T6243] scsi_sense_cache 1318KB 1332KB [ 267.719115][ T6243] virtio_scsi_cmd 21KB 24KB [ 267.725708][ T6243] bio-136 44KB 72KB [ 267.731822][ T6243] bio-264 10KB 15KB [ 267.760661][ T6243] mqueue_inode_cache 43KB 60KB [ 267.766940][ T6243] f2fs_bio_post_read_ctx 30KB 31KB [ 267.773543][ T6243] jfs_mp 14KB 15KB [ 267.779784][ T6243] cifs_small_rq 28KB 32KB [ 267.785951][ T6243] cifs_request 67KB 67KB [ 267.792034][ T6243] cifs_mpx_ids 8KB 11KB [ 267.815819][ T6243] cifs_io_subrequest 42KB 47KB [ 267.822021][ T6243] cifs_io_request 105KB 111KB [ 267.828182][ T6243] nfs_commit_data 24KB 31KB [ 267.834482][ T6243] nfs_write_data 38KB 47KB [ 267.840621][ T6243] jbd2_inode 9KB 11KB [ 267.846751][ T6243] ext4_system_zone 1KB 3KB [ 267.852833][ T6243] ext4_io_end_vec 4KB 7KB [ 267.881818][ T6243] zspage 1007KB 1067KB [ 267.895016][ T6243] zs_handle 1075KB 2500KB [ 267.901263][ T6243] pid_namespace 19KB 46KB [ 267.907408][ T6243] kvm_gmem_inode_cache 15KB 15KB [ 267.930564][ T6243] rpc_buffers 25KB 31KB [ 267.938043][ T6243] rpc_tasks 8KB 11KB [ 267.944244][ T6243] UNIX-STREAM 61KB 214KB [ 267.950369][ T6243] UNIX 67KB 306KB [ 267.956532][ T6243] MPTCP 30KB 61KB [ 267.987489][ T6243] request_sock_subflow_v4 12KB 15KB [ 267.994353][ T6243] tcp_bind2_bucket 9KB 16KB [ 268.000451][ T6243] tcp_bind_bucket 15KB 16KB [ 268.006685][ T6243] ip_fib_trie 80KB 84KB [ 268.013718][ T6243] ip_fib_alias 293KB 296KB [ 268.019803][ T6243] rtable 32KB 52KB [ 268.040934][ T6243] RAW 45KB 63KB [ 268.043790][ T51] Bluetooth: hci5: command 0x0406 tx timeout [ 268.063807][ T51] Bluetooth: hci7: command 0x0406 tx timeout [ 268.064261][ T6243] UDP 250KB 320KB [ 268.069893][ T51] Bluetooth: hci6: command 0x0406 tx timeout [ 268.146182][ T6243] request_sock_TCP 19KB 23KB [ 268.152653][ T6243] TCP 71KB 175KB [ 268.158844][ T6243] fs_bio_integrity 7KB 8KB [ 268.170586][ T6243] hugetlbfs_inode_cache 15KB 15KB [ 268.177128][ T6243] netfs_subrequest 35KB 37KB [ 268.183217][ T6243] netfs_request 105KB 111KB [ 268.297428][ T6243] bio-280 21KB 23KB [ 268.316315][ T6243] ep_head 3KB 16KB [ 268.400306][ T6243] eventpoll_pwq 10KB 15KB [ 268.437271][ T6243] eventpoll_epi 33KB 39KB [ 268.443388][ T6243] inotify_inode_mark 22KB 31KB [ 268.480728][ T6243] sgpool-128 17KB 29KB [ 268.495652][ T6243] sgpool-64 14KB 255KB [ 268.501805][ T6243] sgpool-32 13KB 94KB [ 268.508041][ T6243] sgpool-16 15KB 45KB [ 268.569246][ T6243] sgpool-8 3KB 30KB [ 268.582125][ T6243] bio_crypt_ctx 9KB 11KB [ 268.588421][ T6243] bio_integrity_data 7KB 8KB [ 268.623757][ T6243] request_queue 197KB 309KB [ 268.629999][ T6243] blkdev_ioc 8KB 11KB [ 268.636251][ T6243] bio-200 30KB 60KB [ 268.642383][ T6243] biovec-max 250KB 357KB [ 268.648603][ T6243] biovec-128 38KB 257KB [ 268.693374][ T6243] biovec-64 0KB 126KB [ 268.699614][ T6243] biovec-16 7KB 22KB [ 268.705892][ T6243] user_namespace 28KB 30KB [ 268.712000][ T6243] uid_cache 13KB 18KB [ 268.764314][ T6243] dmaengine-unmap-256 26KB 30KB [ 268.783309][ T6243] dmaengine-unmap-128 14KB 15KB [ 268.825384][ T6243] dmaengine-unmap-16 7KB 8KB [ 268.831620][ T6243] dmaengine-unmap-2 3KB 4KB [ 268.837878][ T6243] QIPCRTR 18KB 31KB [ 268.845157][ T6243] audit_buffer 11KB 11KB [ 268.851291][ T6243] skbuff_ext_cache 18KB 36KB [ 268.905608][ T6243] skbuff_small_head 14539KB 14594KB [ 268.915469][ T6243] skbuff_fclone_cache 21KB 45KB [ 268.921764][ T6243] skbuff_head_cache 14983KB 14988KB [ 268.972930][ T6243] configfs_dir_cache 15KB 16KB [ 268.979340][ T6243] file_lock_cache 5KB 15KB [ 268.989571][ T6243] file_lock_ctx 20KB 23KB [ 269.024514][ T6243] fsnotify_inode_mark_connector 18KB 27KB [ 269.031735][ T6243] taskstats 61KB 63KB [ 269.038053][ T6243] mem_cgroup_per_node 72KB 92KB [ 269.044538][ T6243] mem_cgroup 78KB 87KB [ 269.050644][ T6243] proc_dir_entry 1626KB 1631KB [ 269.093805][ T6243] pde_opener 2KB 15KB [ 269.102813][ T6243] seq_file 14KB 33KB [ 269.109610][ T6243] sigqueue 6KB 35KB [ 269.149074][ T6243] shmem_inode_cache 7432KB 7555KB [ 269.161606][ T6243] kernfs_iattrs_cache 12KB 15KB [ 269.215261][ T6243] kernfs_node_cache 45489KB 45720KB [ 269.221425][ T6243] mnt_cache 221KB 271KB [ 269.227780][ T6243] filp 171KB 874KB [ 269.275977][ T6243] names_cache 5KB 32KB [ 269.292537][ T6243] net_namespace 222KB 261KB [ 269.331483][ T6243] ima_iint_cache 13KB 35KB [ 269.337794][ T6243] lsm_inode_cache 1697KB 2071KB [ 269.345594][ T6243] lsm_file_cache 54KB 308KB [ 269.427814][ T6243] key_jar 24KB 31KB [ 269.440339][ T6243] uts_namespace 68KB 77KB [ 269.465031][ T6243] nsproxy 6KB 15KB [ 269.471192][ T6243] vm_area_struct 495KB 840KB [ 269.477368][ T6243] fs_cache 20KB 56KB [ 269.483459][ T6243] files_cache 74KB 302KB [ 269.518439][ T6243] signal_cache 1009KB 2033KB [ 269.582030][ T6243] sighand_cache 1288KB 2435KB [ 269.588274][ T6243] task_struct 4392KB 4880KB [ 269.630656][ T6243] cred 155KB 352KB [ 269.637106][ T6243] anon_vma_chain 174KB 330KB [ 269.643459][ T6243] anon_vma 236KB 410KB [ 269.649867][ T6243] pid 177KB 345KB [ 269.657904][ T6243] Acpi-Operand 112KB 198KB [ 269.762199][ T6243] Acpi-ParseExt 4KB 23KB [ 269.833749][ T6243] Acpi-Parse 8KB 23KB [ 269.862939][ T6243] Acpi-State 4KB 23KB [ 269.918186][ T6243] Acpi-Namespace 26KB 32KB [ 269.969375][ T6243] numa_policy 2KB 3KB [ 270.031516][ T6243] perf_event 15KB 31KB [ 270.052811][ T6243] trace_event_file 540KB 540KB [ 270.104045][ T6243] ftrace_event_field 1026KB 1027KB [ 270.155516][ T6243] pool_workqueue 1032KB 1072KB [ 270.175077][ T6243] task_group 49KB 63KB [ 270.193090][ T6243] maple_node 470KB 1920KB [ 270.243780][ T6243] mm_struct 229KB 765KB [ 270.259844][ T6243] vmap_area 315KB 352KB [ 270.309387][ T6243] debug_objects_cache 4381KB 4551KB [ 270.322491][ T6243] page->ptl 71KB 161KB [ 270.328980][ T6243] kmalloc-cg-8k 4208KB 4512KB [ 270.380882][ T6243] kmalloc-cg-4k 47304KB 48448KB [ 270.388089][ T6243] kmalloc-cg-2k 28912KB 29504KB [ 270.427057][ T6243] kmalloc-cg-1k 7320KB 7488KB [ 270.453207][ T6243] kmalloc-cg-512 3966KB 4192KB [ 270.459430][ T6243] kmalloc-cg-256 1230KB 1256KB [ 270.515496][ T6243] kmalloc-cg-128 744KB 760KB [ 270.637401][ T6243] kmalloc-cg-64 143KB 160KB [ 270.682668][ T6243] kmalloc-cg-32 44KB 200KB [ 270.799358][ T6243] kmalloc-cg-16 6KB 12KB [ 270.810488][ T6243] kmalloc-cg-8 56KB 72KB [ 270.853377][ T6243] kmalloc-cg-192 99KB 104KB [ 270.873756][ T6243] kmalloc-cg-96 93KB 100KB [ 270.910134][ T6243] kmalloc-8k 15728KB 16160KB [ 270.916520][ T6243] kmalloc-4k 181024KB 181144KB [ 270.922644][ T6243] kmalloc-2k 15020KB 20512KB [ 270.933256][ T6243] kmalloc-1k 67730KB 67772KB [ 270.939471][ T6243] kmalloc-512 25334KB 25364KB [ 270.974799][ T6243] kmalloc-256 7559KB 7564KB [ 270.980923][ T6243] kmalloc-128 2790KB 2800KB [ 270.987165][ T6243] kmalloc-64 5009KB 5012KB [ 270.993294][ T6243] kmalloc-32 4030KB 4456KB [ 270.999845][ T6243] kmalloc-16 493KB 496KB [ 271.041970][ T6243] kmalloc-8 591KB 624KB [ 271.050042][ T6243] kmalloc-192 2934KB 3172KB [ 271.056349][ T6243] kmalloc-96 3871KB 3872KB [ 271.062469][ T6243] kmem_cache_node 212KB 220KB [ 271.068603][ T6243] kmem_cache 176KB 195KB [ 271.177750][ T6243] oom-kill:constraint=CONSTRAINT_NONE,nodemask=(null),cpuset=/,mems_allowed=0-1,global_oom,task_memcg=/,task=syz-executor,pid=6243,uid=0 [ 271.202863][ T6243] Out of memory (oom_kill_allocating_task): Killed process 6243 (syz-executor) total-vm:108376kB, anon-rss:0kB, file-rss:4kB, shmem-rss:0kB, UID:0 pgtables:104kB oom_score_adj:0 [ 271.359740][ T5492] dhcpcd (5492) used greatest stack depth: 17888 bytes left [ 271.681058][ T7113] syz-executor (7113) used greatest stack depth: 17344 bytes left [ 271.936050][ T58] netdevsim netdevsim9 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 272.040957][ T58] netdevsim netdevsim9 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 272.105126][ T7114] syz-executor (7114) used greatest stack depth: 16040 bytes left [ 272.137719][ T58] netdevsim netdevsim9 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 272.230728][ T58] netdevsim netdevsim9 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 272.435569][ T58] bridge_slave_1: left allmulticast mode [ 272.443365][ T58] bridge_slave_1: left promiscuous mode [ 272.459496][ T58] bridge0: port 2(bridge_slave_1) entered disabled state [ 272.479823][ T58] bridge_slave_0: left allmulticast mode [ 272.486584][ T58] bridge_slave_0: left promiscuous mode [ 272.492402][ T58] bridge0: port 1(bridge_slave_0) entered disabled state [ 272.745939][ T58] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 272.757905][ T58] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 272.780583][ T58] bond0 (unregistering): Released all slaves [ 273.120183][ T58] hsr_slave_0: left promiscuous mode [ 273.130577][ T58] hsr_slave_1: left promiscuous mode [ 273.138220][ T58] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 273.145928][ T58] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 273.155368][ T58] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 273.162809][ T58] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 273.197814][ T58] veth1_macvtap: left promiscuous mode [ 273.203525][ T58] veth0_macvtap: left promiscuous mode [ 273.210290][ T58] veth1_vlan: left promiscuous mode [ 273.215826][ T58] veth0_vlan: left promiscuous mode [ 273.404012][ T7224] Bluetooth: hci9: command 0x0406 tx timeout [ 273.410397][ T51] Bluetooth: hci8: command 0x0406 tx timeout [ 273.544295][ T58] team0 (unregistering): Port device team_slave_1 removed [ 273.561964][ T58] team0 (unregistering): Port device team_slave_0 removed [ 274.148377][ T58] netdevsim netdevsim7 netdevsim3 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 274.303860][ T58] netdevsim netdevsim7 netdevsim2 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 274.393108][ T58] netdevsim netdevsim7 netdevsim1 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 274.504978][ T58] netdevsim netdevsim7 netdevsim0 (unregistering): unset [1, 0] type 2 family 0 port 6081 - 0 [ 274.760508][ T58] bridge_slave_1: left allmulticast mode [ 274.769637][ T58] bridge_slave_1: left promiscuous mode [ 274.775907][ T58] bridge0: port 2(bridge_slave_1) entered disabled state [ 274.787402][ T58] bridge_slave_0: left allmulticast mode [ 274.793239][ T58] bridge_slave_0: left promiscuous mode [ 274.799318][ T58] bridge0: port 1(bridge_slave_0) entered disabled state [ 275.054279][ T58] bond0 (unregistering): (slave bond_slave_0): Releasing backup interface [ 275.074888][ T58] bond0 (unregistering): (slave bond_slave_1): Releasing backup interface [ 275.091913][ T58] bond0 (unregistering): Released all slaves [ 275.455039][ T58] hsr_slave_0: left promiscuous mode [ 275.477850][ T58] hsr_slave_1: left promiscuous mode [ 275.485522][ T58] batman_adv: batadv0: Interface deactivated: batadv_slave_0 [ 275.503818][ T58] batman_adv: batadv0: Removing interface: batadv_slave_0 [ 275.515256][ T58] batman_adv: batadv0: Interface deactivated: batadv_slave_1 [ 275.533806][ T58] batman_adv: batadv0: Removing interface: batadv_slave_1 [ 275.590063][ T58] veth1_macvtap: left promiscuous mode [ 275.613811][ T58] veth0_macvtap: left promiscuous mode [ 275.619671][ T58] veth1_vlan: left promiscuous mode [ 275.633908][ T58] veth0_vlan: left promiscuous mode [ 276.189802][ T58] team0 (unregistering): Port device team_slave_1 removed [ 276.240515][ T58] team0 (unregistering): Port device team_slave_0 removed [ 276.848674][ T31] INFO: task syz.3.20:6581 blocked for more than 143 seconds. [ 276.873560][ T31] Not tainted syzkaller #0 [ 276.880524][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 276.903753][ T31] task:syz.3.20 state:D stack:27584 pid:6581 tgid:6580 ppid:6365 task_flags:0x480140 flags:0x00080002 [ 276.930346][ T31] Call Trace: [ 276.943699][ T31] [ 276.946708][ T31] __schedule+0x1665/0x5590 [ 276.951263][ T31] ? unwind_get_return_address+0x4d/0x90 [ 276.963722][ T31] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 276.983762][ T31] ? rcu_is_watching+0x15/0xb0 [ 276.993785][ T31] ? __pfx___schedule+0x10/0x10 [ 277.003698][ T31] ? schedule+0x90/0x360 [ 277.017001][ T31] schedule+0x164/0x360 [ 277.033887][ T31] schedule_preempt_disabled+0x13/0x30 [ 277.039495][ T31] __mutex_lock+0x7fe/0x1300 [ 277.044218][ T31] ? __mutex_lock+0x5ac/0x1300 [ 277.049009][ T31] ? relay_open+0x3b8/0x920 [ 277.053533][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 277.083944][ T31] relay_open+0x3b8/0x920 [ 277.088649][ T31] blk_trace_setup_prepare+0x425/0x5a0 [ 277.103732][ T31] blk_trace_setup+0x2f8/0x520 [ 277.108581][ T31] ? __pfx_blk_trace_setup+0x10/0x10 [ 277.123871][ T31] ? snprintf+0xe8/0x140 [ 277.128206][ T31] blk_trace_ioctl+0x37f/0x920 [ 277.132993][ T31] ? __pfx_blk_trace_ioctl+0x10/0x10 [ 277.153764][ T31] ? kasan_quarantine_put+0xbb/0x1f0 [ 277.159138][ T31] ? tomoyo_path_number_perm+0x219/0x630 [ 277.176046][ T31] ? tomoyo_path_number_perm+0x219/0x630 [ 277.183684][ T31] ? do_vfs_ioctl+0x1166/0x1530 [ 277.188593][ T31] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 277.193769][ T31] ? do_futex+0x333/0x420 [ 277.198147][ T31] ? __lock_acquire+0x6b5/0x2cf0 [ 277.203128][ T31] blkdev_ioctl+0x4c1/0x740 [ 277.207720][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 277.212765][ T31] ? __fget_files+0x2a/0x420 [ 277.217471][ T31] ? bpf_lsm_file_ioctl+0x9/0x20 [ 277.222459][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 277.227658][ T31] __se_sys_ioctl+0xfc/0x170 [ 277.232271][ T31] do_syscall_64+0x14d/0xf80 [ 277.237079][ T31] ? trace_irq_disable+0x3b/0x150 [ 277.242147][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.253079][ T31] ? clear_bhb_loop+0x40/0x90 [ 277.261069][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.269121][ T31] RIP: 0033:0x7f9efc79aef9 [ 277.274035][ T31] RSP: 002b:00007f9efd70e028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 277.291015][ T31] RAX: ffffffffffffffda RBX: 00007f9efca05fa0 RCX: 00007f9efc79aef9 [ 277.299358][ T31] RDX: 0000200000000240 RSI: 00000000c0481273 RDI: 0000000000000003 [ 277.307433][ T31] RBP: 00007f9efc82fee0 R08: 0000000000000000 R09: 0000000000000000 [ 277.315715][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 277.327967][ T31] R13: 00007f9efca06038 R14: 00007f9efca05fa0 R15: 00007fff0c2bd1e8 [ 277.336492][ T31] [ 277.359524][ T31] INFO: task syz.4.21:6588 blocked for more than 143 seconds. [ 277.388656][ T31] Not tainted syzkaller #0 [ 277.398090][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 277.407127][ T31] task:syz.4.21 state:D stack:26704 pid:6588 tgid:6587 ppid:6357 task_flags:0x480140 flags:0x00080002 [ 277.419202][ T31] Call Trace: [ 277.422524][ T31] [ 277.425495][ T31] __schedule+0x1665/0x5590 [ 277.430027][ T31] ? unwind_get_return_address+0x4d/0x90 [ 277.435777][ T31] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 277.442012][ T31] ? rcu_is_watching+0x15/0xb0 [ 277.446850][ T31] ? __pfx___schedule+0x10/0x10 [ 277.451731][ T31] ? schedule+0x90/0x360 [ 277.457759][ T31] schedule+0x164/0x360 [ 277.461990][ T31] schedule_preempt_disabled+0x13/0x30 [ 277.469239][ T31] __mutex_lock+0x7fe/0x1300 [ 277.476844][ T31] ? __mutex_lock+0x5ac/0x1300 [ 277.500571][ T31] ? relay_open+0x3b8/0x920 [ 277.505206][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 277.510270][ T31] relay_open+0x3b8/0x920 [ 277.514753][ T31] blk_trace_setup_prepare+0x425/0x5a0 [ 277.520261][ T31] blk_trace_setup+0x2f8/0x520 [ 277.525092][ T31] ? __pfx_blk_trace_setup+0x10/0x10 [ 277.530410][ T31] ? snprintf+0xe8/0x140 [ 277.534808][ T31] blk_trace_ioctl+0x37f/0x920 [ 277.539611][ T31] ? __pfx_blk_trace_ioctl+0x10/0x10 [ 277.544948][ T31] ? kasan_quarantine_put+0xbb/0x1f0 [ 277.550262][ T31] ? tomoyo_path_number_perm+0x219/0x630 [ 277.556022][ T31] ? tomoyo_path_number_perm+0x219/0x630 [ 277.561694][ T31] ? do_vfs_ioctl+0x1166/0x1530 [ 277.571606][ T31] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 277.578676][ T31] ? do_futex+0x395/0x420 [ 277.596147][ T31] ? __lock_acquire+0x6b5/0x2cf0 [ 277.601190][ T31] blkdev_ioctl+0x4c1/0x740 [ 277.605748][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 277.610793][ T31] ? __fget_files+0x2a/0x420 [ 277.615539][ T31] ? bpf_lsm_file_ioctl+0x9/0x20 [ 277.620559][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 277.625642][ T31] __se_sys_ioctl+0xfc/0x170 [ 277.630252][ T31] do_syscall_64+0x14d/0xf80 [ 277.634989][ T31] ? trace_irq_disable+0x3b/0x150 [ 277.640046][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.650062][ T31] ? clear_bhb_loop+0x40/0x90 [ 277.663694][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 277.671151][ T31] RIP: 0033:0x7f1a0419aef9 [ 277.683691][ T31] RSP: 002b:00007f1a05087028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 277.703772][ T31] RAX: ffffffffffffffda RBX: 00007f1a04405fa0 RCX: 00007f1a0419aef9 [ 277.723708][ T31] RDX: 0000200000000240 RSI: 00000000c0481273 RDI: 0000000000000003 [ 277.743725][ T31] RBP: 00007f1a0422fee0 R08: 0000000000000000 R09: 0000000000000000 [ 277.753541][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 277.773761][ T31] R13: 00007f1a04406038 R14: 00007f1a04405fa0 R15: 00007ffcabf309c8 [ 277.796303][ T31] [ 277.809713][ T31] INFO: task syz.0.17:6599 blocked for more than 144 seconds. [ 277.833735][ T31] Not tainted syzkaller #0 [ 277.840011][ T31] "echo 0 > /proc/sys/kernel/hung_task_timeout_secs" disables this message. [ 277.863745][ T31] task:syz.0.17 state:D stack:27104 pid:6599 tgid:6598 ppid:6352 task_flags:0x480140 flags:0x00080002 [ 277.898626][ T31] Call Trace: [ 277.903494][ T31] [ 277.907332][ T31] __schedule+0x1665/0x5590 [ 277.923942][ T31] ? unwind_get_return_address+0x4d/0x90 [ 277.929825][ T31] ? __pfx_stack_trace_consume_entry+0x10/0x10 [ 277.943734][ T31] ? rcu_is_watching+0x15/0xb0 [ 277.950066][ T31] ? __pfx___schedule+0x10/0x10 [ 277.964519][ T31] ? schedule+0x90/0x360 [ 277.970891][ T31] schedule+0x164/0x360 [ 277.983734][ T31] schedule_preempt_disabled+0x13/0x30 [ 277.990741][ T31] __mutex_lock+0x7fe/0x1300 [ 278.013767][ T31] ? __mutex_lock+0x5ac/0x1300 [ 278.018629][ T31] ? relay_open+0x3b8/0x920 [ 278.023149][ T31] ? __pfx___mutex_lock+0x10/0x10 [ 278.040281][ T31] relay_open+0x3b8/0x920 [ 278.044758][ T31] blk_trace_setup_prepare+0x425/0x5a0 [ 278.050242][ T31] blk_trace_setup+0x2f8/0x520 [ 278.073724][ T31] ? __pfx_blk_trace_setup+0x10/0x10 [ 278.079116][ T31] ? snprintf+0xe8/0x140 [ 278.083425][ T31] blk_trace_ioctl+0x37f/0x920 [ 278.103854][ T31] ? __pfx_blk_trace_ioctl+0x10/0x10 [ 278.110767][ T31] ? kasan_quarantine_put+0xbb/0x1f0 [ 278.124611][ T31] ? tomoyo_path_number_perm+0x219/0x630 [ 278.133705][ T31] ? tomoyo_path_number_perm+0x219/0x630 [ 278.145287][ T31] ? do_vfs_ioctl+0x1166/0x1530 [ 278.163718][ T31] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 278.168915][ T31] ? do_futex+0x395/0x420 [ 278.173280][ T31] ? __lock_acquire+0x6b5/0x2cf0 [ 278.178349][ T31] blkdev_ioctl+0x4c1/0x740 [ 278.182900][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 278.187998][ T31] ? __fget_files+0x2a/0x420 [ 278.192641][ T31] ? bpf_lsm_file_ioctl+0x9/0x20 [ 278.201842][ T31] ? __pfx_blkdev_ioctl+0x10/0x10 [ 278.207028][ T31] __se_sys_ioctl+0xfc/0x170 [ 278.211666][ T31] do_syscall_64+0x14d/0xf80 [ 278.216317][ T31] ? trace_irq_disable+0x3b/0x150 [ 278.221357][ T31] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.227655][ T31] ? clear_bhb_loop+0x40/0x90 [ 278.232402][ T31] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 278.238353][ T31] RIP: 0033:0x7f4438b9aef9 [ 278.242779][ T31] RSP: 002b:00007f4439a83028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 278.251560][ T31] RAX: ffffffffffffffda RBX: 00007f4438e05fa0 RCX: 00007f4438b9aef9 [ 278.262496][ T31] RDX: 0000200000000240 RSI: 00000000c0481273 RDI: 0000000000000003 [ 278.270545][ T31] RBP: 00007f4438c2fee0 R08: 0000000000000000 R09: 0000000000000000 [ 278.278617][ T31] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 278.288866][ T31] R13: 00007f4438e06038 R14: 00007f4438e05fa0 R15: 00007fff776640a8 [ 278.296939][ T31] [ 278.318111][ T31] [ 278.318111][ T31] Showing all locks held in the system: [ 278.336976][ T31] 3 locks held by kworker/0:0/9: [ 278.352303][ T31] #0: ffff88801b06b148 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x894/0x1780 [ 278.391222][ T31] #1: ffffc900000e7c40 (drain_vmap_work){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1780 [ 278.444546][ T31] #2: ffffffff8e881568 (vmap_purge_lock){+.+.}-{4:4}, at: drain_vmap_area_work+0x17/0x40 [ 278.463744][ T31] 1 lock held by khungtaskd/31: [ 278.468695][ T31] #0: ffffffff8e75f3a0 (rcu_read_lock){....}-{1:3}, at: debug_show_all_locks+0x2e/0x180 [ 278.493795][ T31] 3 locks held by kworker/u8:4/58: [ 278.500456][ T31] #0: ffff88801c2b6148 ((wq_completion)netns){+.+.}-{0:0}, at: process_one_work+0x894/0x1780 [ 278.533732][ T31] #1: ffffc900015f7c40 (net_cleanup_work){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1780 [ 278.553747][ T31] #2: ffffffff8e765500 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x4c/0x580 [ 278.573755][ T31] 2 locks held by getty/5583: [ 278.579980][ T31] #0: ffff8880380c20a0 (&tty->ldisc_sem){++++}-{0:0}, at: tty_ldisc_ref_wait+0x25/0x70 [ 278.603487][ T31] #1: ffffc9000332b2f0 (&ldata->atomic_read_lock){+.+.}-{4:4}, at: n_tty_read+0x45c/0x13c0 [ 278.618801][ T31] 2 locks held by syz.2.19/6548: [ 278.624071][ T31] 2 locks held by syz.3.20/6581: [ 278.629604][ T31] #0: ffff888027547b40 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.639720][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.649488][ T31] 2 locks held by syz.4.21/6588: [ 278.654543][ T31] #0: ffff888027945520 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.664487][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.674269][ T31] 3 locks held by kworker/1:7/6594: [ 278.679476][ T31] #0: ffff88801b06b148 ((wq_completion)events){+.+.}-{0:0}, at: process_one_work+0x894/0x1780 [ 278.689960][ T31] #1: ffffc90003987c40 ((fqdir_free_work).work){+.+.}-{0:0}, at: process_one_work+0x8bb/0x1780 [ 278.701072][ T31] #2: ffffffff8e765500 (rcu_state.barrier_mutex){+.+.}-{4:4}, at: rcu_barrier+0x4c/0x580 [ 278.714253][ T31] 2 locks held by syz.0.17/6599: [ 278.722338][ T31] #0: ffff8880276fb888 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.732350][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.742163][ T31] 2 locks held by syz.5.22/6916: [ 278.747193][ T31] #0: ffff888027944210 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.757139][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.771083][ T31] 2 locks held by syz.6.23/6953: [ 278.776918][ T31] #0: ffff888027942f00 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.786928][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.796715][ T31] 2 locks held by syz.7.24/6955: [ 278.801658][ T31] #0: ffff888027941bf0 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.815069][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.825868][ T31] 2 locks held by syz.8.25/6957: [ 278.830848][ T31] #0: ffff8880279408e0 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.842726][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.856932][ T31] 2 locks held by syz.9.26/6959: [ 278.861925][ T31] #0: ffff8880276ff1b8 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.871896][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.881697][ T31] 1 lock held by syz.3.29/7074: [ 278.886631][ T31] #0: ffff888027547b40 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.896671][ T31] 1 lock held by syz.2.28/7076: [ 278.901649][ T31] #0: ffff8880276f9268 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.911628][ T31] 2 locks held by syz.1.27/7078: [ 278.921233][ T31] #0: ffff8880276fa578 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.938588][ T31] #1: ffffffff8e7bdce8 (relay_channels_mutex){+.+.}-{4:4}, at: relay_open+0x3b8/0x920 [ 278.948487][ T31] 1 lock held by syz.0.30/7080: [ 278.953439][ T31] #0: ffff8880276fb888 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.963430][ T31] 1 lock held by syz.4.31/7082: [ 278.968458][ T31] #0: ffff888027945520 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.978525][ T31] 1 lock held by syz.5.33/7198: [ 278.983386][ T31] #0: ffff888027944210 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 278.993306][ T31] 1 lock held by syz.8.32/7210: [ 278.998238][ T31] #0: ffff8880279408e0 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 279.008811][ T31] 5 locks held by kworker/u8:9/7213: [ 279.015934][ T31] 1 lock held by syz.6.34/7223: [ 279.025484][ T31] #0: ffff888027942f00 (&q->debugfs_mutex){+.+.}-{4:4}, at: blk_trace_setup+0x2d3/0x520 [ 279.035752][ T31] [ 279.038114][ T31] ============================================= [ 279.038114][ T31] [ 279.048561][ T31] NMI backtrace for cpu 0 [ 279.048583][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 279.048602][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 279.048613][ T31] Call Trace: [ 279.048619][ T31] [ 279.048627][ T31] dump_stack_lvl+0xe8/0x150 [ 279.048658][ T31] nmi_cpu_backtrace+0x274/0x2d0 [ 279.048681][ T31] ? __pfx_nmi_raise_cpu_backtrace+0x10/0x10 [ 279.048706][ T31] nmi_trigger_cpumask_backtrace+0x17a/0x300 [ 279.048735][ T31] sys_info+0x135/0x170 [ 279.048753][ T31] watchdog+0x1002/0x1060 [ 279.048780][ T31] ? watchdog+0x1da/0x1060 [ 279.048805][ T31] kthread+0x388/0x470 [ 279.048824][ T31] ? __pfx_watchdog+0x10/0x10 [ 279.048842][ T31] ? __pfx_kthread+0x10/0x10 [ 279.048862][ T31] ret_from_fork+0x51e/0xb90 [ 279.048888][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 279.048909][ T31] ? __switch_to+0xc7d/0x1450 [ 279.048933][ T31] ? __pfx_kthread+0x10/0x10 [ 279.048954][ T31] ret_from_fork_asm+0x1a/0x30 [ 279.048985][ T31] [ 279.048992][ T31] Sending NMI from CPU 0 to CPUs 1: [ 279.162986][ C1] NMI backtrace for cpu 1 [ 279.163004][ C1] CPU: 1 UID: 0 PID: 6548 Comm: syz.2.19 Not tainted syzkaller #0 PREEMPT(full) [ 279.163021][ C1] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 279.163031][ C1] RIP: 0010:debug_check_no_obj_freed+0x1d9/0x550 [ 279.163058][ C1] Code: 00 00 48 ba 00 00 00 00 00 fc ff df ff c3 48 8b 04 24 48 89 c5 48 85 c0 0f 84 44 03 00 00 49 89 ee 49 c1 ee 03 41 80 3c 16 00 <74> 12 48 89 ef e8 6d a7 74 fd 48 ba 00 00 00 00 00 fc ff df 48 8b [ 279.163071][ C1] RSP: 0018:ffffc90003977668 EFLAGS: 00000046 [ 279.163085][ C1] RAX: 1ffffffff3493365 RBX: 0000000000000000 RCX: 0000000000000001 [ 279.163096][ C1] RDX: dffffc0000000000 RSI: 0000000000000004 RDI: ffffc900039775c0 [ 279.163106][ C1] RBP: ffff8881fddac620 R08: 0000000000000003 R09: 0000000000000004 [ 279.163116][ C1] R10: dffffc0000000000 R11: fffff5200072eeb8 R12: ffff8880aec3e000 [ 279.163127][ C1] R13: ffff8880aec3d000 R14: 1ffff1103fbb58c4 R15: 0000000000000001 [ 279.163137][ C1] FS: 00007f3a768056c0(0000) GS:ffff88812553e000(0000) knlGS:0000000000000000 [ 279.163150][ C1] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 279.163160][ C1] CR2: 0000557b1c961990 CR3: 0000000037498000 CR4: 00000000003526f0 [ 279.163175][ C1] Call Trace: [ 279.163181][ C1] [ 279.163187][ C1] ? __page_table_check_zero+0x6a/0x3e0 [ 279.163207][ C1] __free_frozen_pages+0x594/0xd00 [ 279.163222][ C1] ? ___free_pages+0x9a/0x1b0 [ 279.163238][ C1] relay_destroy_buf+0x10e/0x3a0 [ 279.163257][ C1] relay_open+0x734/0x920 [ 279.163272][ C1] blk_trace_setup_prepare+0x425/0x5a0 [ 279.163293][ C1] blk_trace_setup+0x2f8/0x520 [ 279.163313][ C1] ? __pfx_blk_trace_setup+0x10/0x10 [ 279.163338][ C1] ? snprintf+0xe8/0x140 [ 279.163364][ C1] blk_trace_ioctl+0x37f/0x920 [ 279.163384][ C1] ? __pfx_blk_trace_ioctl+0x10/0x10 [ 279.163403][ C1] ? kasan_quarantine_put+0xbb/0x1f0 [ 279.163427][ C1] ? tomoyo_path_number_perm+0x219/0x630 [ 279.163444][ C1] ? tomoyo_path_number_perm+0x219/0x630 [ 279.163463][ C1] ? do_vfs_ioctl+0x1166/0x1530 [ 279.163479][ C1] ? __pfx_do_vfs_ioctl+0x10/0x10 [ 279.163508][ C1] blkdev_ioctl+0x4c1/0x740 [ 279.163527][ C1] ? __pfx_blkdev_ioctl+0x10/0x10 [ 279.163542][ C1] ? __fget_files+0x2a/0x420 [ 279.163561][ C1] ? bpf_lsm_file_ioctl+0x9/0x20 [ 279.163582][ C1] ? __pfx_blkdev_ioctl+0x10/0x10 [ 279.163599][ C1] __se_sys_ioctl+0xfc/0x170 [ 279.163614][ C1] do_syscall_64+0x14d/0xf80 [ 279.163631][ C1] ? trace_irq_disable+0x3b/0x150 [ 279.163645][ C1] ? entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.163657][ C1] ? clear_bhb_loop+0x40/0x90 [ 279.163672][ C1] entry_SYSCALL_64_after_hwframe+0x77/0x7f [ 279.163685][ C1] RIP: 0033:0x7f3a7599aef9 [ 279.163705][ C1] Code: Unable to access opcode bytes at 0x7f3a7599aecf. [ 279.163713][ C1] RSP: 002b:00007f3a76805028 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 279.163729][ C1] RAX: ffffffffffffffda RBX: 00007f3a75c05fa0 RCX: 00007f3a7599aef9 [ 279.163740][ C1] RDX: 0000200000000240 RSI: 00000000c0481273 RDI: 0000000000000003 [ 279.163748][ C1] RBP: 00007f3a75a2fee0 R08: 0000000000000000 R09: 0000000000000000 [ 279.163756][ C1] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 279.163764][ C1] R13: 00007f3a75c06038 R14: 00007f3a75c05fa0 R15: 00007ffec79b1878 [ 279.163780][ C1] [ 279.169897][ T31] Kernel panic - not syncing: hung_task: blocked tasks [ 279.169919][ T31] CPU: 0 UID: 0 PID: 31 Comm: khungtaskd Not tainted syzkaller #0 PREEMPT(full) [ 279.169940][ T31] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 02/27/2026 [ 279.169951][ T31] Call Trace: [ 279.169958][ T31] [ 279.169967][ T31] vpanic+0x56c/0xa60 [ 279.169995][ T31] ? __pfx___schedule+0x10/0x10 [ 279.170021][ T31] ? __pfx_vpanic+0x10/0x10 [ 279.170052][ T31] panic+0xc5/0xd0 [ 279.170074][ T31] ? __pfx_panic+0x10/0x10 [ 279.170110][ T31] ? preempt_schedule_thunk+0x16/0x30 [ 279.170135][ T31] ? nmi_trigger_cpumask_backtrace+0x2bb/0x300 [ 279.170161][ T31] watchdog+0x105b/0x1060 [ 279.170187][ T31] ? watchdog+0x1da/0x1060 [ 279.170211][ T31] kthread+0x388/0x470 [ 279.170231][ T31] ? __pfx_watchdog+0x10/0x10 [ 279.170249][ T31] ? __pfx_kthread+0x10/0x10 [ 279.170270][ T31] ret_from_fork+0x51e/0xb90 [ 279.170294][ T31] ? __pfx_ret_from_fork+0x10/0x10 [ 279.170316][ T31] ? __switch_to+0xc7d/0x1450 [ 279.170339][ T31] ? __pfx_kthread+0x10/0x10 [ 279.170360][ T31] ret_from_fork_asm+0x1a/0x30 [ 279.170389][ T31] [ 279.602169][ T31] Kernel Offset: disabled [ 279.606503][ T31] Rebooting in 86400 seconds..