[ OK ] Reached target Graphical Interface. Starting Update UTMP about System Runlevel Changes... [ OK ] Started Update UTMP about System Runlevel Changes. Starting Load/Save RF Kill Switch Status... [ OK ] Started Load/Save RF Kill Switch Status. Debian GNU/Linux 9 syzkaller ttyS0 Warning: Permanently added '10.128.0.110' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.733450] FAULT_INJECTION: forcing a failure. [ 34.733450] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 34.745393] CPU: 1 PID: 8117 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 34.753266] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 34.762601] Call Trace: [ 34.765175] dump_stack+0x1fc/0x2ef [ 34.768787] should_fail.cold+0xa/0xf [ 34.772572] ? lock_acquire+0x170/0x3c0 [ 34.776526] ? setup_fault_attr+0x200/0x200 [ 34.780832] __alloc_pages_nodemask+0x239/0x2890 [ 34.785567] ? mark_held_locks+0xa6/0xf0 [ 34.789607] ? finish_task_switch+0x118/0x760 [ 34.794081] ? _raw_spin_unlock_irq+0x24/0x80 [ 34.798557] ? __lock_acquire+0x6de/0x3ff0 [ 34.802772] ? __schedule+0x88f/0x2040 [ 34.806640] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 34.811464] ? mark_held_locks+0xf0/0xf0 [ 34.815512] ? io_schedule_timeout+0x140/0x140 [ 34.820077] ? n_tty_write+0xa91/0xff0 [ 34.823946] ? lock_downgrade+0x720/0x720 [ 34.828075] ? __lock_acquire+0x6de/0x3ff0 [ 34.832292] alloc_pages_vma+0xf2/0x780 [ 34.836263] wp_page_copy+0x219/0x2c40 [ 34.840141] ? _vm_normal_page+0x132/0x510 [ 34.844358] ? follow_pte_pmd+0x60/0x60 [ 34.848400] do_wp_page+0x2d4/0x2210 [ 34.852098] ? finish_mkwrite_fault+0x640/0x640 [ 34.856746] ? __handle_mm_fault+0x15f6/0x41c0 [ 34.861309] ? mark_held_locks+0xf0/0xf0 [ 34.865354] __handle_mm_fault+0x258b/0x41c0 [ 34.869748] ? kernel_read+0x110/0x110 [ 34.873614] ? vm_insert_page+0x9c0/0x9c0 [ 34.877743] ? apparmor_getprocattr+0x11e0/0x11e0 [ 34.882574] ? check_preemption_disabled+0x41/0x280 [ 34.887574] handle_mm_fault+0x436/0xb10 [ 34.891620] __do_page_fault+0x68e/0xd60 [ 34.895664] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.900660] ? spurious_fault+0x840/0x840 [ 34.905313] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.910142] ? page_fault+0x8/0x30 [ 34.913662] page_fault+0x1e/0x30 [ 34.917098] RIP: 0033:0x7ff36c145e25 [ 34.920793] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 34.939673] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 34.945016] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 34.952272] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 34.959529] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 34.966779] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 34.974031] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 34.982031] syz-executor407 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 34.992225] syz-executor407 cpuset=/ mems_allowed=0-1 [ 34.997545] CPU: 1 PID: 8117 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 35.005505] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 35.014838] Call Trace: [ 35.017418] dump_stack+0x1fc/0x2ef [ 35.021030] dump_header+0x15d/0xc3f [ 35.024766] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.029861] ? ___ratelimit+0x319/0x590 [ 35.033817] oom_kill_process.cold+0x10/0x692 [ 35.038295] ? oom_badness.part.0+0x135/0x6e0 [ 35.042799] ? lock_downgrade+0x720/0x720 [ 35.046943] ? check_preemption_disabled+0x41/0x280 [ 35.051945] out_of_memory+0x34d/0x1390 [ 35.055905] ? lock_acquire+0x170/0x3c0 [ 35.059862] ? oom_killer_disable+0x270/0x270 [ 35.064343] ? mutex_trylock+0x15f/0x1a0 [ 35.068388] pagefault_out_of_memory+0x102/0x120 [ 35.073126] ? out_of_memory+0x1390/0x1390 [ 35.077346] ? lock_downgrade+0x720/0x720 [ 35.081482] mm_fault_error+0x106/0x390 [ 35.085440] __do_page_fault+0xc34/0xd60 [ 35.089489] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.094485] ? spurious_fault+0x840/0x840 [ 35.098622] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.103446] ? page_fault+0x8/0x30 [ 35.106969] page_fault+0x1e/0x30 [ 35.110402] RIP: 0033:0x7ff36c145e25 [ 35.114099] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 35.132983] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 35.138326] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 35.145577] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 35.152833] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 35.160089] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 35.167336] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 35.174780] Mem-Info: [ 35.177254] active_anon:2980 inactive_anon:4720 isolated_anon:0 [ 35.177254] active_file:5212 inactive_file:11952 isolated_file:0 [ 35.177254] unevictable:0 dirty:7832 writeback:0 unstable:0 [ 35.177254] slab_reclaimable:16187 slab_unreclaimable:112862 [ 35.177254] mapped:3626 shmem:4898 pagetables:339 bounce:0 [ 35.177254] free:1531053 free_pcp:429 free_cma:0 [ 35.211137] Node 0 active_anon:11920kB inactive_anon:18880kB active_file:20728kB inactive_file:47808kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14504kB dirty:31320kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.239521] Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.265344] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.292224] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 35.297235] Node 0 DMA32 free:2068732kB min:35996kB low:44992kB high:53988kB active_anon:11920kB inactive_anon:18880kB active_file:20728kB inactive_file:47808kB unevictable:0kB writepending:31320kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6528kB pagetables:1356kB bounce:0kB free_pcp:1708kB local_pcp:1232kB free_cma:0kB [ 35.327416] lowmem_reserve[]: 0 0 1 1 1 [ 35.331457] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.357385] lowmem_reserve[]: 0 0 0 0 0 [ 35.361429] Node 1 Normal free:4039876kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.389088] lowmem_reserve[]: 0 0 0 0 0 [ 35.393064] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 35.406686] Node 0 DMA32: 1381*4kB (UE) 508*8kB (UME) 367*16kB (UME) 105*32kB (UME) 30*64kB (UME) 9*128kB (UM) 6*256kB (UME) 2*512kB (UM) 4*1024kB (UME) 4*2048kB (UME) 496*4096kB (M) = 2068356kB [ 35.424247] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 35.435345] Node 1 Normal: 93*4kB (UE) 414*8kB (UE) 292*16kB (UME) 77*32kB (UME) 28*64kB (UME) 9*128kB (UM) 9*256kB (UM) 7*512kB (UM) 4*1024kB (UME) 1*2048kB (U) 980*4096kB (M) = 4039876kB [ 35.452422] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 35.461303] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.469959] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 35.478841] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.487429] 22061 total pagecache pages [ 35.491468] 0 pages in swap cache [ 35.494907] Swap cache stats: add 0, delete 0, find 0/0 [ 35.500319] Free swap = 0kB [ 35.503332] Total swap = 0kB [ 35.506477] 2097051 pages RAM [ 35.509644] 0 pages HighMem/MovableOnly [ 35.513605] 369649 pages reserved [ 35.517056] 0 pages cma reserved [ 35.520517] Unreclaimable slab info: [ 35.524396] Name Used Total [ 35.530118] TIPC 1KB 7KB [ 35.535485] SCTPv6 2KB 6KB [ 35.541177] DCCPv6 2KB 7KB [ 35.546546] DCCP 2KB 7KB [ 35.552006] RXRPC 1KB 6KB [ 35.557366] rxrpc_call_jar 11KB 15KB [ 35.562780] fib6_nodes 0KB 4KB [ 35.568132] ip6_dst_cache 0KB 3KB [ 35.573565] RAWv6 10KB 13KB [ 35.578996] UDPv6 13KB 15KB [ 35.584357] TCPv6 6KB 6KB [ 35.589784] nf_conntrack 19KB 26KB [ 35.595188] t10_alua_lu_gp_cache 0KB 3KB [ 35.600869] sd_ext_cdb 0KB 7KB [ 35.606225] scsi_sense_cache 1068KB 1084KB [ 35.611655] virtio_scsi_cmd 16KB 16KB [ 35.617013] sgpool-128 8KB 8KB [ 35.622427] sgpool-64 4KB 12KB [ 35.627870] sgpool-32 2KB 15KB [ 35.633315] sgpool-16 1KB 7KB [ 35.638668] sgpool-8 0KB 7KB [ 35.644081] mqueue_inode_cache 1KB 7KB [ 35.649635] bio_post_read_ctx 14KB 15KB [ 35.655147] bio-2 14KB 15KB [ 35.660566] jfs_mp 7KB 7KB [ 35.665948] cifs_small_rq 15KB 16KB [ 35.671491] cifs_request 67KB 67KB [ 35.676854] cifs_mpx_ids 0KB 7KB [ 35.682282] nfs_commit_data 3KB 14KB [ 35.687646] nfs_write_data 34KB 44KB [ 35.693098] ext4_system_zone 1KB 7KB [ 35.698466] bio-1 1KB 7KB [ 35.703882] rpc_buffers 17KB 25KB [ 35.709319] rpc_tasks 2KB 7KB [ 35.714672] UNIX 405KB 405KB [ 35.720071] tcp_bind_bucket 0KB 4KB [ 35.725435] ip_fib_trie 0KB 3KB [ 35.730861] ip_fib_alias 0KB 3KB [ 35.736215] ip_dst_cache 7KB 8KB [ 35.741632] RAW 6KB 7KB [ 35.746985] UDP 30KB 60KB [ 35.752408] request_sock_TCP 1KB 7KB [ 35.757759] TCP 11KB 11KB [ 35.763165] hugetlbfs_inode_cache 3KB 15KB [ 35.768950] fscache_cookie_jar 1KB 7KB [ 35.774388] eventpoll_pwq 45KB 91KB [ 35.779782] eventpoll_epi 86KB 153KB [ 35.785135] inotify_inode_mark 6KB 7KB [ 35.790647] request_queue 260KB 369KB [ 35.796000] blkdev_requests 1KB 3KB [ 35.801403] blkdev_ioc 4KB 19KB [ 35.806765] bio-0 106KB 202KB [ 35.812188] biovec-max 1237KB 1295KB [ 35.817544] biovec-64 69KB 102KB [ 35.822959] biovec-16 3KB 22KB [ 35.828316] bio_integrity_payload 1KB 8KB [ 35.834092] khugepaged_mm_slot 0KB 3KB [ 35.839606] uid_cache 2KB 12KB [ 35.844953] dmaengine-unmap-2 0KB 3KB [ 35.850368] skbuff_fclone_cache 585KB 585KB [ 35.855905] skbuff_head_cache 2231KB 2231KB [ 35.861320] configfs_dir_cache 3KB 7KB [ 35.866762] file_lock_cache 97KB 122KB [ 35.872182] file_lock_ctx 9KB 11KB [ 35.877541] fsnotify_mark_connector 2KB 7KB [ 35.883559] shmem_inode_cache 7813KB 7816KB [ 35.888995] task_delay_info 117KB 399KB [ 35.894346] taskstats 0KB 3KB [ 35.899747] proc_dir_entry 302KB 307KB [ 35.905104] pde_opener 48KB 77KB [ 35.910525] seq_file 426KB 689KB [ 35.915876] sigqueue 42KB 66KB [ 35.921284] kernfs_node_cache 9952KB 9969KB [ 35.926636] mnt_cache 68KB 88KB [ 35.932061] filp 9972KB 9975KB [ 35.937414] names_cache 175767KB 175788KB [ 35.942818] iint_cache 79KB 79KB [ 35.948178] key_jar 4KB 7KB [ 35.953688] nsproxy 0KB 3KB [ 35.959104] vm_area_struct 1805KB 1914KB [ 35.964453] mm_struct 242KB 487KB [ 35.969882] fs_cache 116KB 368KB [ 35.975248] files_cache 240KB 543KB [ 35.980659] signal_cache 539KB 1344KB [ 35.986017] sighand_cache 522KB 589KB [ 35.991448] task_struct 1792KB 1824KB [ 35.996800] cred_jar 754KB 1984KB [ 36.002213] anon_vma_chain 635KB 874KB [ 36.007565] anon_vma 201KB 373KB [ 36.012992] pid 82KB 324KB [ 36.018348] Acpi-Operand 160KB 205KB [ 36.023769] Acpi-ParseExt 8KB 11KB [ 36.029212] Acpi-Parse 49KB 63KB [ 36.034564] Acpi-State 63KB 86KB [ 36.039959] Acpi-Namespace 20KB 27KB [ 36.045313] numa_policy 0KB 3KB [ 36.050732] debug_objects_cache 695KB 710KB [ 36.056262] trace_event_file 297KB 298KB [ 36.061668] ftrace_event_field 398KB 401KB [ 36.067112] pool_workqueue 79KB 80KB [ 36.072635] page->ptl 183KB 482KB [ 36.078016] kmalloc-2097152 2050KB 2050KB [ 36.083425] kmalloc-524288 2056KB 2056KB [ 36.088869] kmalloc-262144 1290KB 1290KB [ 36.094219] kmalloc-131072 650KB 650KB [ 36.099679] kmalloc-65536 264KB 330KB [ 36.105040] kmalloc-32768 660KB 660KB [ 36.110465] kmalloc-16384 247KB 330KB [ 36.115821] kmalloc-8192 1122KB 1163KB [ 36.121231] kmalloc-4096 10620KB 10680KB [ 36.126590] kmalloc-2048 6810KB 6814KB [ 36.132010] kmalloc-1024 3666KB 3709KB [ 36.137364] kmalloc-512 3317KB 4466KB [ 36.144337] kmalloc-256 1973KB 2460KB [ 36.149781] kmalloc-128 475KB 504KB [ 36.155135] kmalloc-96 2489KB 2512KB [ 36.160537] kmalloc-64 2397KB 2476KB [ 36.165902] kmalloc-32 1062KB 1901KB [ 36.171386] kmalloc-192 1064KB 1936KB [ 36.176745] kmem_cache 177KB 183KB [ 36.182254] Tasks state (memory values in pages): [ 36.187089] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 36.196016] [ 4695] 0 4695 11524 1628 118784 0 0 systemd-journal [ 36.205471] [ 4697] 0 4697 10980 976 118784 0 -1000 systemd-udevd [ 36.214560] [ 6169] 100 6169 30769 998 139264 0 0 systemd-timesyn [ 36.223789] [ 6180] 0 6180 5115 276 69632 0 0 dhclient [ 36.232452] [ 7768] 0 7768 63583 842 143360 0 0 rsyslogd [ 36.241078] [ 7777] 0 7777 6999 589 102400 0 0 cron [ 36.249376] [ 7815] 0 7815 3221 421 73728 0 0 agetty [ 36.257795] [ 7829] 0 7829 17490 1612 180224 0 -1000 sshd [ 36.266068] [ 7884] 0 7884 3221 436 73728 0 0 agetty [ 36.274557] [ 7890] 0 7890 3221 408 69632 0 0 agetty [ 36.283013] [ 7905] 0 7905 3221 408 69632 0 0 agetty [ 36.291484] [ 7928] 0 7928 3165 411 73728 0 0 agetty [ 36.299930] [ 7931] 0 7931 3221 437 69632 0 0 agetty [ 36.308341] [ 7939] 0 7939 3221 391 73728 0 0 agetty [ 36.316826] [ 8114] 0 8114 17490 1622 180224 0 0 sshd [ 36.325126] [ 8116] 0 8116 4360 1 32768 0 0 syz-executor407 executing program [ 36.334355] [ 8117] 0 8117 4360 524 45056 0 1000 syz-executor407 [ 36.343826] Out of memory: Kill process 8117 (syz-executor407) score 1000 or sacrifice child [ 36.352649] Killed process 8117 (syz-executor407) total-vm:17440kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 36.364241] oom_reaper: reaped process 8117 (syz-executor407), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.378470] FAULT_INJECTION: forcing a failure. [ 36.378470] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 36.390392] CPU: 0 PID: 8118 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 36.398254] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 36.407675] Call Trace: [ 36.410247] dump_stack+0x1fc/0x2ef [ 36.413876] should_fail.cold+0xa/0xf [ 36.417682] ? lock_acquire+0x170/0x3c0 [ 36.421637] ? setup_fault_attr+0x200/0x200 [ 36.425976] __alloc_pages_nodemask+0x239/0x2890 [ 36.430718] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.435803] ? try_to_wake_up+0x733/0x1050 [ 36.440022] ? __lock_acquire+0x6de/0x3ff0 [ 36.444249] ? n_tty_write+0xa0e/0xff0 [ 36.448117] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.452943] ? lock_downgrade+0x720/0x720 [ 36.457073] ? mark_held_locks+0xf0/0xf0 [ 36.461133] ? n_tty_write+0xa91/0xff0 [ 36.465015] ? lock_downgrade+0x720/0x720 [ 36.469149] ? __lock_acquire+0x6de/0x3ff0 [ 36.473381] alloc_pages_vma+0xf2/0x780 [ 36.477360] wp_page_copy+0x219/0x2c40 [ 36.481240] ? _vm_normal_page+0x132/0x510 [ 36.485463] ? follow_pte_pmd+0x60/0x60 [ 36.489425] do_wp_page+0x2d4/0x2210 [ 36.493127] ? finish_mkwrite_fault+0x640/0x640 [ 36.497776] ? __handle_mm_fault+0x15f6/0x41c0 [ 36.502369] ? mark_held_locks+0xf0/0xf0 [ 36.506413] __handle_mm_fault+0x258b/0x41c0 [ 36.510802] ? kernel_read+0x110/0x110 [ 36.514678] ? vm_insert_page+0x9c0/0x9c0 [ 36.518813] ? apparmor_getprocattr+0x11e0/0x11e0 [ 36.523648] ? check_preemption_disabled+0x41/0x280 [ 36.528651] handle_mm_fault+0x436/0xb10 [ 36.532697] __do_page_fault+0x68e/0xd60 [ 36.536742] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.541743] ? spurious_fault+0x840/0x840 [ 36.545874] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.550704] ? page_fault+0x8/0x30 [ 36.554232] page_fault+0x1e/0x30 [ 36.557665] RIP: 0033:0x7ff36c145e25 [ 36.561356] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 36.580235] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 36.585579] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 36.592829] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 36.600078] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 36.607327] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 36.614578] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 36.622302] syz-executor407 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 36.632404] syz-executor407 cpuset=/ mems_allowed=0-1 [ 36.637697] CPU: 0 PID: 8118 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 36.645598] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 36.654945] Call Trace: [ 36.657530] dump_stack+0x1fc/0x2ef [ 36.661152] dump_header+0x15d/0xc3f [ 36.664855] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.669942] ? ___ratelimit+0x319/0x590 [ 36.673901] oom_kill_process.cold+0x10/0x692 [ 36.678390] ? oom_badness.part.0+0x135/0x6e0 [ 36.682867] ? lock_downgrade+0x720/0x720 [ 36.686999] ? check_preemption_disabled+0x41/0x280 [ 36.692000] out_of_memory+0x34d/0x1390 [ 36.695959] ? lock_acquire+0x170/0x3c0 [ 36.699918] ? oom_killer_disable+0x270/0x270 [ 36.704396] ? mutex_trylock+0x15f/0x1a0 [ 36.708438] pagefault_out_of_memory+0x102/0x120 [ 36.713174] ? out_of_memory+0x1390/0x1390 [ 36.717395] ? lock_downgrade+0x720/0x720 [ 36.721527] mm_fault_error+0x106/0x390 [ 36.725484] __do_page_fault+0xc34/0xd60 [ 36.729531] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.734525] ? spurious_fault+0x840/0x840 [ 36.738652] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.743482] ? page_fault+0x8/0x30 [ 36.747004] page_fault+0x1e/0x30 [ 36.750437] RIP: 0033:0x7ff36c145e25 [ 36.754129] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 36.773126] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 36.778478] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 36.785736] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 36.792988] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 36.800236] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 36.807485] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 36.814930] Mem-Info: [ 36.817441] active_anon:2986 inactive_anon:4720 isolated_anon:0 [ 36.817441] active_file:5287 inactive_file:11890 isolated_file:0 [ 36.817441] unevictable:0 dirty:7847 writeback:0 unstable:0 [ 36.817441] slab_reclaimable:16188 slab_unreclaimable:112383 [ 36.817441] mapped:3649 shmem:4898 pagetables:339 bounce:0 [ 36.817441] free:1531407 free_pcp:504 free_cma:0 [ 36.851776] Node 0 active_anon:11944kB inactive_anon:18880kB active_file:21028kB inactive_file:47560kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14596kB dirty:31380kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.881289] Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.907230] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.933473] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 36.938573] Node 0 DMA32 free:2069940kB min:35996kB low:44992kB high:53988kB active_anon:11944kB inactive_anon:18880kB active_file:21028kB inactive_file:47560kB unevictable:0kB writepending:31380kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6528kB pagetables:1356kB bounce:0kB free_pcp:1988kB local_pcp:740kB free_cma:0kB [ 36.968797] lowmem_reserve[]: 0 0 1 1 1 [ 36.972782] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 36.998943] lowmem_reserve[]: 0 0 0 0 0 [ 37.002934] Node 1 Normal free:4039876kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.030628] lowmem_reserve[]: 0 0 0 0 0 [ 37.034604] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 37.048223] Node 0 DMA32: 1313*4kB (U) 307*8kB (UM) 496*16kB (UM) 122*32kB (UM) 35*64kB (UME) 9*128kB (UM) 6*256kB (UME) 2*512kB (UM) 4*1024kB (UME) 4*2048kB (UME) 496*4096kB (M) = 2069404kB [ 37.065561] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 37.076673] Node 1 Normal: 93*4kB (UE) 414*8kB (UE) 292*16kB (UME) 77*32kB (UME) 28*64kB (UME) 9*128kB (UM) 9*256kB (UM) 7*512kB (UM) 4*1024kB (UME) 1*2048kB (U) 980*4096kB (M) = 4039876kB [ 37.093735] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 37.102641] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.111302] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 37.120183] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.128839] 22076 total pagecache pages [ 37.132807] 0 pages in swap cache [ 37.136237] Swap cache stats: add 0, delete 0, find 0/0 [ 37.141712] Free swap = 0kB [ 37.144735] Total swap = 0kB [ 37.147736] 2097051 pages RAM [ 37.150911] 0 pages HighMem/MovableOnly [ 37.154876] 369649 pages reserved [ 37.158367] 0 pages cma reserved [ 37.161752] Unreclaimable slab info: [ 37.165443] Name Used Total [ 37.171135] TIPC 1KB 7KB [ 37.176504] SCTPv6 2KB 6KB [ 37.181930] DCCPv6 2KB 7KB [ 37.187295] DCCP 2KB 7KB [ 37.192754] RXRPC 1KB 6KB [ 37.198175] rxrpc_call_jar 11KB 15KB [ 37.203533] fib6_nodes 0KB 4KB [ 37.208957] ip6_dst_cache 0KB 3KB [ 37.214314] RAWv6 10KB 13KB [ 37.219727] UDPv6 13KB 15KB [ 37.225089] TCPv6 6KB 6KB [ 37.230551] nf_conntrack 19KB 26KB [ 37.235959] t10_alua_lu_gp_cache 0KB 3KB [ 37.241634] sd_ext_cdb 0KB 7KB [ 37.246993] scsi_sense_cache 1068KB 1084KB [ 37.252431] virtio_scsi_cmd 16KB 16KB [ 37.257802] sgpool-128 8KB 8KB [ 37.263225] sgpool-64 4KB 12KB [ 37.268804] sgpool-32 2KB 15KB [ 37.274153] sgpool-16 1KB 7KB [ 37.279553] sgpool-8 0KB 7KB [ 37.284919] mqueue_inode_cache 1KB 7KB [ 37.290447] bio_post_read_ctx 14KB 15KB [ 37.295851] bio-2 14KB 15KB [ 37.301264] jfs_mp 7KB 7KB [ 37.306727] cifs_small_rq 15KB 16KB [ 37.312161] cifs_request 67KB 67KB [ 37.317515] cifs_mpx_ids 0KB 7KB [ 37.322946] nfs_commit_data 3KB 14KB [ 37.328385] nfs_write_data 34KB 44KB [ 37.333761] ext4_system_zone 1KB 7KB [ 37.339184] bio-1 1KB 7KB [ 37.344560] rpc_buffers 17KB 25KB [ 37.350004] rpc_tasks 2KB 7KB [ 37.355363] UNIX 405KB 405KB [ 37.360785] tcp_bind_bucket 0KB 4KB [ 37.366145] ip_fib_trie 0KB 3KB [ 37.371580] ip_fib_alias 0KB 3KB [ 37.376934] ip_dst_cache 7KB 8KB [ 37.382348] RAW 6KB 7KB [ 37.387709] UDP 30KB 60KB [ 37.393156] request_sock_TCP 1KB 7KB [ 37.398573] TCP 11KB 11KB [ 37.403926] hugetlbfs_inode_cache 3KB 15KB [ 37.409796] fscache_cookie_jar 1KB 7KB [ 37.415236] eventpoll_pwq 45KB 91KB [ 37.420652] eventpoll_epi 86KB 153KB [ 37.426009] inotify_inode_mark 6KB 7KB [ 37.431532] request_queue 260KB 369KB [ 37.436888] blkdev_requests 1KB 3KB [ 37.442298] blkdev_ioc 4KB 19KB [ 37.447664] bio-0 106KB 202KB [ 37.453135] biovec-max 1237KB 1295KB [ 37.458589] biovec-64 69KB 102KB [ 37.463938] biovec-16 3KB 22KB [ 37.469375] bio_integrity_payload 1KB 8KB [ 37.475081] khugepaged_mm_slot 1KB 3KB [ 37.480815] uid_cache 2KB 12KB [ 37.486273] dmaengine-unmap-2 0KB 3KB [ 37.491713] skbuff_fclone_cache 585KB 585KB [ 37.497241] skbuff_head_cache 2205KB 2231KB [ 37.502655] configfs_dir_cache 3KB 7KB [ 37.508208] file_lock_cache 97KB 122KB [ 37.513565] file_lock_ctx 9KB 11KB [ 37.519021] fsnotify_mark_connector 2KB 7KB [ 37.524901] shmem_inode_cache 7813KB 7816KB [ 37.530334] task_delay_info 117KB 399KB [ 37.535686] taskstats 0KB 3KB [ 37.541131] proc_dir_entry 302KB 307KB [ 37.546492] pde_opener 48KB 77KB [ 37.551930] seq_file 403KB 681KB [ 37.557311] sigqueue 42KB 66KB [ 37.562732] kernfs_node_cache 9952KB 9969KB [ 37.568275] mnt_cache 68KB 88KB [ 37.573629] filp 10111KB 10113KB [ 37.579084] names_cache 176336KB 176396KB [ 37.584444] iint_cache 79KB 79KB [ 37.589886] key_jar 4KB 7KB [ 37.595242] nsproxy 0KB 3KB [ 37.600655] vm_area_struct 1826KB 1914KB [ 37.606017] mm_struct 242KB 487KB [ 37.611468] fs_cache 116KB 368KB [ 37.616827] files_cache 240KB 543KB [ 37.622269] signal_cache 539KB 1344KB [ 37.627624] sighand_cache 522KB 589KB [ 37.633060] task_struct 1818KB 1824KB [ 37.638518] cred_jar 814KB 1984KB [ 37.643865] anon_vma_chain 642KB 874KB [ 37.649290] anon_vma 201KB 373KB [ 37.654644] pid 82KB 324KB [ 37.660057] Acpi-Operand 160KB 205KB [ 37.665412] Acpi-ParseExt 8KB 11KB [ 37.670856] Acpi-Parse 49KB 63KB [ 37.676279] Acpi-State 63KB 86KB [ 37.681692] Acpi-Namespace 20KB 27KB [ 37.687054] numa_policy 0KB 3KB [ 37.692634] debug_objects_cache 695KB 710KB [ 37.698277] trace_event_file 297KB 298KB [ 37.703635] ftrace_event_field 398KB 401KB [ 37.709157] pool_workqueue 79KB 80KB [ 37.714513] page->ptl 183KB 482KB [ 37.719953] kmalloc-2097152 2050KB 2050KB [ 37.725309] kmalloc-524288 2056KB 2056KB [ 37.730744] kmalloc-262144 1290KB 1290KB [ 37.736099] kmalloc-131072 650KB 650KB [ 37.741515] kmalloc-65536 264KB 330KB [ 37.746878] kmalloc-32768 660KB 660KB [ 37.752322] kmalloc-16384 247KB 330KB [ 37.757800] kmalloc-8192 1122KB 1163KB [ 37.763151] kmalloc-4096 10161KB 10221KB [ 37.768590] kmalloc-2048 6823KB 6827KB [ 37.773952] kmalloc-1024 3768KB 3811KB [ 37.779366] kmalloc-512 3283KB 4455KB [ 37.784729] kmalloc-256 1973KB 2460KB [ 37.790178] kmalloc-128 475KB 504KB [ 37.795561] kmalloc-96 2509KB 2532KB [ 37.800981] kmalloc-64 2397KB 2476KB [ 37.806339] kmalloc-32 1062KB 1901KB [ 37.811815] kmalloc-192 1064KB 1936KB [ 37.817173] kmem_cache 177KB 183KB [ 37.822636] Tasks state (memory values in pages): [ 37.827471] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 37.836396] [ 4695] 0 4695 11524 1689 118784 0 0 systemd-journal [ 37.845659] [ 4697] 0 4697 10980 976 118784 0 -1000 systemd-udevd [ 37.854758] [ 6169] 100 6169 30769 998 139264 0 0 systemd-timesyn [ 37.863998] [ 6180] 0 6180 5115 276 69632 0 0 dhclient [ 37.872653] [ 7768] 0 7768 63583 842 143360 0 0 rsyslogd [ 37.881327] [ 7777] 0 7777 6999 589 102400 0 0 cron [ 37.889657] [ 7815] 0 7815 3221 421 73728 0 0 agetty [ 37.898253] [ 7829] 0 7829 17490 1612 180224 0 -1000 sshd [ 37.906483] [ 7884] 0 7884 3221 436 73728 0 0 agetty [ 37.914947] [ 7890] 0 7890 3221 408 69632 0 0 agetty [ 37.923416] [ 7905] 0 7905 3221 408 69632 0 0 agetty [ 37.931878] [ 7928] 0 7928 3165 411 73728 0 0 agetty [ 37.940351] [ 7931] 0 7931 3221 437 69632 0 0 agetty [ 37.948807] [ 7939] 0 7939 3221 391 73728 0 0 agetty [ 37.957217] [ 8114] 0 8114 17490 1622 180224 0 0 sshd [ 37.965495] [ 8116] 0 8116 4360 1 32768 0 0 syz-executor407 [ 37.974761] [ 8118] 0 8118 4360 524 45056 0 1000 syz-executor407 [ 37.984004] Out of memory: Kill process 8118 (syz-executor407) score 1000 or sacrifice child executing program [ 37.992698] Killed process 8118 (syz-executor407) total-vm:17440kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 38.003803] oom_reaper: reaped process 8118 (syz-executor407), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.018252] FAULT_INJECTION: forcing a failure. [ 38.018252] name failslab, interval 1, probability 0, space 0, times 1 [ 38.030464] CPU: 1 PID: 8121 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 38.038320] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 38.047650] Call Trace: [ 38.050221] dump_stack+0x1fc/0x2ef [ 38.053831] should_fail.cold+0xa/0xf [ 38.057618] ? setup_fault_attr+0x200/0x200 [ 38.061921] ? mark_held_locks+0xf0/0xf0 [ 38.065961] ? lock_acquire+0x170/0x3c0 [ 38.069914] __should_failslab+0x115/0x180 [ 38.074128] should_failslab+0x5/0x10 [ 38.077909] __kmalloc+0x6d/0x3c0 [ 38.081341] ? tty_buffer_alloc+0x23f/0x2a0 [ 38.085645] ? __mutex_lock+0x368/0x1190 [ 38.089770] tty_buffer_alloc+0x23f/0x2a0 [ 38.093901] __tty_buffer_request_room+0x156/0x2a0 [ 38.098818] tty_insert_flip_string_fixed_flag+0x93/0x250 [ 38.104334] ? do_raw_spin_lock+0xcb/0x220 [ 38.108547] pty_write+0x126/0x1f0 [ 38.112069] n_tty_write+0xa03/0xff0 [ 38.115781] ? n_tty_open+0x160/0x160 [ 38.119562] ? do_wait_intr_irq+0x270/0x270 [ 38.123862] ? __might_fault+0x192/0x1d0 [ 38.127901] tty_write+0x496/0x810 [ 38.131421] ? n_tty_open+0x160/0x160 [ 38.135200] __vfs_write+0xf7/0x770 [ 38.138803] ? tty_compat_ioctl+0x270/0x270 [ 38.143101] ? common_file_perm+0x4e5/0x850 [ 38.147398] ? kernel_read+0x110/0x110 [ 38.151263] ? vm_insert_page+0x9c0/0x9c0 [ 38.155386] ? apparmor_getprocattr+0x11e0/0x11e0 [ 38.160204] ? vfs_write+0x3d7/0x540 [ 38.163898] ? security_file_permission+0x1c0/0x220 [ 38.168890] vfs_write+0x1f3/0x540 [ 38.172408] ksys_write+0x12b/0x2a0 [ 38.176015] ? __ia32_sys_read+0xb0/0xb0 [ 38.180062] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.185058] ? do_syscall_64+0x21/0x620 [ 38.189011] do_syscall_64+0xf9/0x620 [ 38.192794] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.197960] RIP: 0033:0x7ff36c17d079 [ 38.201653] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.220550] RSP: 002b:00007ffe94535788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.228235] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff36c17d079 [ 38.235478] RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000003 [ 38.242723] RBP: 00007ffe945357a0 R08: 0000000000000001 R09: 0000000000000001 [ 38.250059] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.257307] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 [ 38.264562] [ 38.264565] ====================================================== [ 38.264568] WARNING: possible circular locking dependency detected [ 38.264570] 4.19.211-syzkaller #0 Not tainted [ 38.264573] ------------------------------------------------------ [ 38.264576] syz-executor407/8121 is trying to acquire lock: [ 38.264578] 00000000387fcea5 (console_owner){....}, at: console_unlock+0x3a9/0x1110 [ 38.264585] [ 38.264587] but task is already holding lock: [ 38.264601] 00000000b1995e81 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xf4/0x1f0 [ 38.264609] [ 38.264611] which lock already depends on the new lock. [ 38.264612] [ 38.264613] [ 38.264616] the existing dependency chain (in reverse order) is: [ 38.264617] [ 38.264618] -> #2 (&(&port->lock)->rlock){-.-.}: [ 38.264626] tty_port_tty_get+0x1d/0x80 [ 38.264628] tty_port_default_wakeup+0x11/0x40 [ 38.264630] serial8250_tx_chars+0x490/0xaf0 [ 38.264633] serial8250_handle_irq.part.0+0x31f/0x3d0 [ 38.264635] serial8250_default_handle_irq+0xae/0x220 [ 38.264637] serial8250_interrupt+0x101/0x240 [ 38.264640] __handle_irq_event_percpu+0x27e/0x8e0 [ 38.264642] handle_irq_event+0x102/0x290 [ 38.264644] handle_edge_irq+0x260/0xcf0 [ 38.264646] handle_irq+0x35/0x50 [ 38.264647] do_IRQ+0x93/0x1c0 [ 38.264649] ret_from_intr+0x0/0x1e [ 38.264652] _raw_spin_unlock_irqrestore+0xa3/0xe0 [ 38.264654] uart_write+0x3bb/0x6f0 [ 38.264656] do_output_char+0x5de/0x850 [ 38.264658] n_tty_write+0x46e/0xff0 [ 38.264659] tty_write+0x496/0x810 [ 38.264662] redirected_tty_write+0xaa/0xb0 [ 38.264664] do_iter_write+0x461/0x5d0 [ 38.264666] vfs_writev+0x153/0x2e0 [ 38.264667] do_writev+0x136/0x330 [ 38.264673] do_syscall_64+0xf9/0x620 [ 38.264675] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.264676] [ 38.264678] -> #1 (&port_lock_key){-.-.}: [ 38.264685] serial8250_console_write+0x90e/0xb70 [ 38.264687] console_unlock+0xbb6/0x1110 [ 38.264689] vprintk_emit+0x2d1/0x740 [ 38.264691] vprintk_func+0x79/0x180 [ 38.264693] printk+0xba/0xed [ 38.264695] register_console+0x87f/0xc90 [ 38.264697] univ8250_console_init+0x3a/0x46 [ 38.264699] console_init+0x4cb/0x718 [ 38.264701] start_kernel+0x686/0x911 [ 38.264703] secondary_startup_64+0xa4/0xb0 [ 38.264704] [ 38.264705] -> #0 (console_owner){....}: [ 38.264712] console_unlock+0x411/0x1110 [ 38.264714] vprintk_emit+0x2d1/0x740 [ 38.264716] vprintk_func+0x79/0x180 [ 38.264718] printk+0xba/0xed [ 38.264720] should_fail+0x66b/0x7b0 [ 38.264722] __should_failslab+0x115/0x180 [ 38.264724] should_failslab+0x5/0x10 [ 38.264726] __kmalloc+0x6d/0x3c0 [ 38.264728] tty_buffer_alloc+0x23f/0x2a0 [ 38.264730] __tty_buffer_request_room+0x156/0x2a0 [ 38.264733] tty_insert_flip_string_fixed_flag+0x93/0x250 [ 38.264735] pty_write+0x126/0x1f0 [ 38.264737] n_tty_write+0xa03/0xff0 [ 38.264739] tty_write+0x496/0x810 [ 38.264741] __vfs_write+0xf7/0x770 [ 38.264743] vfs_write+0x1f3/0x540 [ 38.264744] ksys_write+0x12b/0x2a0 [ 38.264746] do_syscall_64+0xf9/0x620 [ 38.264749] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.264750] [ 38.264752] other info that might help us debug this: [ 38.264753] [ 38.264755] Chain exists of: [ 38.264756] console_owner --> &port_lock_key --> &(&port->lock)->rlock [ 38.264765] [ 38.264767] Possible unsafe locking scenario: [ 38.264768] [ 38.264770] CPU0 CPU1 [ 38.264772] ---- ---- [ 38.264774] lock(&(&port->lock)->rlock); [ 38.264778] lock(&port_lock_key); [ 38.264783] lock(&(&port->lock)->rlock); [ 38.264787] lock(console_owner); [ 38.264791] [ 38.264793] *** DEADLOCK *** [ 38.264794] [ 38.264796] 6 locks held by syz-executor407/8121: [ 38.264797] #0: 000000001e847731 (&tty->ldisc_sem){++++}, at: tty_ldisc_ref_wait+0x22/0x80 [ 38.264806] #1: 000000006fabb836 (&tty->atomic_write_lock){+.+.}, at: tty_write+0x24e/0x810 [ 38.264814] #2: 00000000f9e1cf51 (&tty->termios_rwsem){++++}, at: n_tty_write+0x1b5/0xff0 [ 38.264823] #3: 0000000037ae842e (&ldata->output_lock){+.+.}, at: n_tty_write+0x9d0/0xff0 [ 38.264831] #4: 00000000b1995e81 (&(&port->lock)->rlock){-.-.}, at: pty_write+0xf4/0x1f0 [ 38.264839] #5: 00000000cbae13c8 (console_lock){+.+.}, at: vprintk_func+0x79/0x180 [ 38.264848] [ 38.264849] stack backtrace: [ 38.264853] CPU: 1 PID: 8121 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 38.264856] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 38.264858] Call Trace: [ 38.264860] dump_stack+0x1fc/0x2ef [ 38.264863] print_circular_bug.constprop.0.cold+0x2d7/0x41e [ 38.264865] __lock_acquire+0x30c9/0x3ff0 [ 38.264867] ? mark_held_locks+0xf0/0xf0 [ 38.264869] ? snprintf+0xf0/0xf0 [ 38.264871] ? console_unlock+0x3ec/0x1110 [ 38.264873] lock_acquire+0x170/0x3c0 [ 38.264875] ? console_unlock+0x3a9/0x1110 [ 38.264877] console_unlock+0x411/0x1110 [ 38.264879] ? console_unlock+0x3a9/0x1110 [ 38.264881] vprintk_emit+0x2d1/0x740 [ 38.264883] vprintk_func+0x79/0x180 [ 38.264885] printk+0xba/0xed [ 38.264887] ? log_store.cold+0x16/0x16 [ 38.264889] ? __lock_acquire+0x6de/0x3ff0 [ 38.264891] ? ___ratelimit+0x319/0x590 [ 38.264893] should_fail+0x66b/0x7b0 [ 38.264895] ? setup_fault_attr+0x200/0x200 [ 38.264897] ? mark_held_locks+0xf0/0xf0 [ 38.264899] ? lock_acquire+0x170/0x3c0 [ 38.264901] __should_failslab+0x115/0x180 [ 38.264903] should_failslab+0x5/0x10 [ 38.264905] __kmalloc+0x6d/0x3c0 [ 38.264907] ? tty_buffer_alloc+0x23f/0x2a0 [ 38.264909] ? __mutex_lock+0x368/0x1190 [ 38.264911] tty_buffer_alloc+0x23f/0x2a0 [ 38.264914] __tty_buffer_request_room+0x156/0x2a0 [ 38.264916] tty_insert_flip_string_fixed_flag+0x93/0x250 [ 38.264918] ? do_raw_spin_lock+0xcb/0x220 [ 38.264920] pty_write+0x126/0x1f0 [ 38.264922] n_tty_write+0xa03/0xff0 [ 38.264924] ? n_tty_open+0x160/0x160 [ 38.264926] ? do_wait_intr_irq+0x270/0x270 [ 38.264928] ? __might_fault+0x192/0x1d0 [ 38.264930] tty_write+0x496/0x810 [ 38.264932] ? n_tty_open+0x160/0x160 [ 38.264934] __vfs_write+0xf7/0x770 [ 38.264936] ? tty_compat_ioctl+0x270/0x270 [ 38.264938] ? common_file_perm+0x4e5/0x850 [ 38.264940] ? kernel_read+0x110/0x110 [ 38.264943] ? vm_insert_page+0x9c0/0x9c0 [ 38.264945] ? apparmor_getprocattr+0x11e0/0x11e0 [ 38.264947] ? vfs_write+0x3d7/0x540 [ 38.264949] ? security_file_permission+0x1c0/0x220 [ 38.264951] vfs_write+0x1f3/0x540 [ 38.264953] ksys_write+0x12b/0x2a0 [ 38.264955] ? __ia32_sys_read+0xb0/0xb0 [ 38.264957] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.264959] ? do_syscall_64+0x21/0x620 [ 38.264961] do_syscall_64+0xf9/0x620 [ 38.264964] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.264966] RIP: 0033:0x7ff36c17d079 [ 38.264973] Code: 28 00 00 00 75 05 48 83 c4 28 c3 e8 b1 14 00 00 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.264975] RSP: 002b:00007ffe94535788 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 38.264980] RAX: ffffffffffffffda RBX: 0000000000000001 RCX: 00007ff36c17d079 [ 38.264983] RDX: 0000000000000004 RSI: 0000000020000040 RDI: 0000000000000003 [ 38.264986] RBP: 00007ffe945357a0 R08: 0000000000000001 R09: 0000000000000001 [ 38.264989] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000004 [ 38.264992] R13: 431bde82d7b634db R14: 0000000000000000 R15: 0000000000000000 executing program [ 43.016367] FAULT_INJECTION: forcing a failure. [ 43.016367] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 43.028209] CPU: 0 PID: 8124 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 43.036360] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 43.045712] Call Trace: [ 43.048318] dump_stack+0x1fc/0x2ef [ 43.051935] should_fail.cold+0xa/0xf [ 43.055723] ? lock_acquire+0x170/0x3c0 [ 43.059680] ? setup_fault_attr+0x200/0x200 [ 43.063987] __alloc_pages_nodemask+0x239/0x2890 [ 43.068722] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 43.073802] ? try_to_wake_up+0x733/0x1050 [ 43.078017] ? mark_held_locks+0xf0/0xf0 [ 43.082058] ? debug_object_activate+0x295/0x450 [ 43.086798] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 43.091632] ? lock_downgrade+0x720/0x720 [ 43.095763] ? mark_held_locks+0xf0/0xf0 [ 43.099804] ? lock_downgrade+0x720/0x720 [ 43.103931] ? _raw_spin_lock_irqsave+0x94/0xc0 [ 43.108579] alloc_pages_vma+0xf2/0x780 [ 43.112533] wp_page_copy+0x219/0x2c40 [ 43.116400] ? _vm_normal_page+0x132/0x510 [ 43.120611] ? follow_pte_pmd+0x60/0x60 [ 43.124608] ? lock_downgrade+0x720/0x720 [ 43.128744] do_wp_page+0x2d4/0x2210 [ 43.132437] ? finish_mkwrite_fault+0x640/0x640 [ 43.137086] ? __handle_mm_fault+0x15f6/0x41c0 [ 43.141651] ? mark_held_locks+0xf0/0xf0 [ 43.145695] __handle_mm_fault+0x258b/0x41c0 [ 43.150085] ? kernel_read+0x110/0x110 [ 43.153953] ? vm_insert_page+0x9c0/0x9c0 [ 43.158081] ? apparmor_getprocattr+0x11e0/0x11e0 [ 43.162907] ? lock_acquire+0x170/0x3c0 [ 43.166859] ? handle_mm_fault+0xb2/0xb10 [ 43.170985] handle_mm_fault+0x436/0xb10 [ 43.175028] __do_page_fault+0x68e/0xd60 [ 43.179085] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.184106] ? spurious_fault+0x840/0x840 [ 43.188246] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.193189] ? page_fault+0x8/0x30 [ 43.196709] page_fault+0x1e/0x30 [ 43.200144] RIP: 0033:0x7ff36c145e25 [ 43.203841] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 43.222725] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 43.228072] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 43.235321] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 43.242571] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 43.249832] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.257084] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 43.266126] syz-executor407 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 43.276189] syz-executor407 cpuset=/ mems_allowed=0-1 [ 43.281423] CPU: 1 PID: 8124 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 43.289281] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 43.298612] Call Trace: [ 43.301184] dump_stack+0x1fc/0x2ef [ 43.304811] dump_header+0x15d/0xc3f [ 43.308506] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 43.313589] ? ___ratelimit+0x319/0x590 [ 43.317545] oom_kill_process.cold+0x10/0x692 [ 43.322023] ? oom_badness.part.0+0x135/0x6e0 [ 43.326498] ? lock_downgrade+0x720/0x720 [ 43.330645] ? oom_evaluate_task+0x39e/0x6d0 [ 43.335032] out_of_memory+0x34d/0x1390 [ 43.338988] ? lock_acquire+0x170/0x3c0 [ 43.342940] ? oom_killer_disable+0x270/0x270 [ 43.347415] ? mutex_trylock+0x15f/0x1a0 [ 43.351453] pagefault_out_of_memory+0x102/0x120 [ 43.356190] ? out_of_memory+0x1390/0x1390 [ 43.360406] ? lock_downgrade+0x720/0x720 [ 43.364535] mm_fault_error+0x106/0x390 [ 43.368488] __do_page_fault+0xc34/0xd60 [ 43.372527] ? trace_hardirqs_off_caller+0x6e/0x210 [ 43.377547] ? spurious_fault+0x840/0x840 [ 43.381704] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 43.386543] ? page_fault+0x8/0x30 [ 43.390064] page_fault+0x1e/0x30 [ 43.393500] RIP: 0033:0x7ff36c145e25 [ 43.397196] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 43.416075] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 43.421415] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 43.428663] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 43.436005] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 43.443271] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 43.450528] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 43.458451] Mem-Info: [ 43.460947] active_anon:3007 inactive_anon:4720 isolated_anon:0 [ 43.460947] active_file:5309 inactive_file:11905 isolated_file:0 [ 43.460947] unevictable:0 dirty:7886 writeback:0 unstable:0 [ 43.460947] slab_reclaimable:16184 slab_unreclaimable:112406 [ 43.460947] mapped:3706 shmem:4898 pagetables:339 bounce:0 [ 43.460947] free:1531297 free_pcp:578 free_cma:0 [ 43.494897] Node 0 active_anon:12028kB inactive_anon:18880kB active_file:21116kB inactive_file:47620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14824kB dirty:31536kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.523390] Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 43.549342] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.575525] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 43.580553] Node 0 DMA32 free:2069812kB min:35996kB low:44992kB high:53988kB active_anon:12028kB inactive_anon:18880kB active_file:21116kB inactive_file:47620kB unevictable:0kB writepending:31536kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6528kB pagetables:1356kB bounce:0kB free_pcp:2272kB local_pcp:992kB free_cma:0kB [ 43.610635] lowmem_reserve[]: 0 0 1 1 1 [ 43.614613] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.640511] lowmem_reserve[]: 0 0 0 0 0 [ 43.644583] Node 1 Normal free:4039876kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 43.672228] lowmem_reserve[]: 0 0 0 0 0 [ 43.676274] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 43.689866] Node 0 DMA32: 1313*4kB (U) 12*8kB (UM) 488*16kB (UM) 193*32kB (UM) 40*64kB (UME) 9*128kB (UM) 6*256kB (UME) 2*512kB (UM) 4*1024kB (UME) 4*2048kB (UME) 496*4096kB (M) = 2069508kB [ 43.706964] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 43.718021] Node 1 Normal: 93*4kB (UE) 414*8kB (UE) 292*16kB (UME) 77*32kB (UME) 28*64kB (UME) 9*128kB (UM) 9*256kB (UM) 7*512kB (UM) 4*1024kB (UME) 1*2048kB (U) 980*4096kB (M) = 4039876kB [ 43.735287] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 43.744188] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.752806] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 43.761699] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 43.770313] 22115 total pagecache pages [ 43.774271] 0 pages in swap cache [ 43.777741] Swap cache stats: add 0, delete 0, find 0/0 [ 43.783095] Free swap = 0kB [ 43.786144] Total swap = 0kB [ 43.789153] 2097051 pages RAM [ 43.792234] 0 pages HighMem/MovableOnly [ 43.796232] 369649 pages reserved [ 43.799672] 0 pages cma reserved [ 43.803022] Unreclaimable slab info: [ 43.806753] Name Used Total [ 43.812319] TIPC 1KB 7KB [ 43.817717] SCTPv6 2KB 6KB [ 43.823076] DCCPv6 2KB 7KB [ 43.828469] DCCP 2KB 7KB [ 43.833833] RXRPC 1KB 6KB [ 43.839218] rxrpc_call_jar 11KB 15KB [ 43.844579] fib6_nodes 0KB 4KB [ 43.849967] ip6_dst_cache 0KB 3KB [ 43.855327] RAWv6 10KB 13KB [ 43.860724] UDPv6 13KB 15KB [ 43.866134] TCPv6 6KB 6KB [ 43.871484] nf_conntrack 18KB 26KB [ 43.876893] t10_alua_lu_gp_cache 0KB 3KB [ 43.882504] sd_ext_cdb 0KB 7KB [ 43.887889] scsi_sense_cache 1056KB 1064KB [ 43.893245] virtio_scsi_cmd 16KB 16KB [ 43.898633] sgpool-128 8KB 8KB [ 43.903983] sgpool-64 4KB 12KB [ 43.909395] sgpool-32 2KB 15KB [ 43.914758] sgpool-16 1KB 7KB [ 43.920157] sgpool-8 0KB 7KB [ 43.925555] mqueue_inode_cache 1KB 7KB [ 43.930995] bio_post_read_ctx 14KB 15KB [ 43.936418] bio-2 14KB 15KB [ 43.941770] jfs_mp 7KB 7KB [ 43.947180] cifs_small_rq 15KB 16KB [ 43.952532] cifs_request 67KB 67KB [ 43.957920] cifs_mpx_ids 0KB 7KB [ 43.963288] nfs_commit_data 3KB 14KB [ 43.968679] nfs_write_data 34KB 44KB [ 43.974058] ext4_system_zone 1KB 7KB [ 43.979468] bio-1 1KB 7KB [ 43.984825] rpc_buffers 17KB 25KB [ 43.990219] rpc_tasks 2KB 7KB [ 43.995641] UNIX 391KB 401KB [ 44.000994] tcp_bind_bucket 0KB 4KB [ 44.006389] ip_fib_trie 0KB 3KB [ 44.011749] ip_fib_alias 0KB 3KB [ 44.017159] ip_dst_cache 3KB 8KB [ 44.022513] RAW 6KB 7KB [ 44.027906] UDP 25KB 47KB [ 44.033261] TCP 5KB 11KB [ 44.038663] hugetlbfs_inode_cache 3KB 15KB [ 44.044361] fscache_cookie_jar 1KB 7KB [ 44.049846] eventpoll_pwq 20KB 75KB [ 44.055199] eventpoll_epi 39KB 129KB [ 44.060584] inotify_inode_mark 6KB 7KB [ 44.066083] request_queue 215KB 309KB [ 44.071432] blkdev_requests 1KB 3KB [ 44.076814] blkdev_ioc 4KB 15KB [ 44.082170] bio-0 76KB 150KB [ 44.087559] biovec-max 1237KB 1245KB [ 44.092918] biovec-64 23KB 55KB [ 44.098336] biovec-16 3KB 22KB [ 44.103686] bio_integrity_payload 1KB 8KB [ 44.109424] khugepaged_mm_slot 0KB 3KB [ 44.114866] uid_cache 1KB 12KB [ 44.120253] dmaengine-unmap-2 0KB 3KB [ 44.125657] skbuff_fclone_cache 585KB 585KB [ 44.131177] skbuff_head_cache 2109KB 2231KB [ 44.136553] configfs_dir_cache 3KB 7KB [ 44.141996] file_lock_cache 95KB 106KB [ 44.147389] file_lock_ctx 9KB 11KB [ 44.152743] fsnotify_mark_connector 2KB 7KB [ 44.158654] shmem_inode_cache 7816KB 7820KB [ 44.164022] task_delay_info 77KB 379KB [ 44.169408] taskstats 0KB 3KB [ 44.174763] proc_dir_entry 302KB 307KB [ 44.180178] pde_opener 34KB 77KB [ 44.185588] seq_file 357KB 677KB [ 44.190939] sigqueue 29KB 63KB [ 44.196335] kernfs_node_cache 9950KB 9965KB [ 44.201690] mnt_cache 68KB 76KB [ 44.207244] filp 10392KB 10395KB [ 44.212606] names_cache 176443KB 176464KB [ 44.217993] iint_cache 79KB 79KB [ 44.223352] key_jar 4KB 7KB [ 44.228879] nsproxy 0KB 3KB [ 44.234233] vm_area_struct 1874KB 1914KB [ 44.239626] mm_struct 198KB 461KB [ 44.244984] fs_cache 67KB 312KB [ 44.250367] files_cache 151KB 382KB [ 44.255772] signal_cache 471KB 1250KB [ 44.261122] sighand_cache 492KB 561KB [ 44.266525] task_struct 1836KB 1836KB [ 44.271884] cred_jar 994KB 1984KB [ 44.277270] anon_vma_chain 664KB 874KB [ 44.282620] anon_vma 168KB 373KB [ 44.288010] pid 54KB 308KB [ 44.293366] Acpi-Operand 157KB 205KB [ 44.298753] Acpi-ParseExt 8KB 11KB [ 44.304113] Acpi-Parse 41KB 51KB [ 44.309499] Acpi-State 52KB 70KB [ 44.314882] Acpi-Namespace 20KB 27KB [ 44.320273] numa_policy 0KB 3KB [ 44.325671] debug_objects_cache 691KB 710KB [ 44.331275] trace_event_file 297KB 298KB [ 44.336688] ftrace_event_field 398KB 401KB [ 44.342125] pool_workqueue 79KB 80KB [ 44.347517] page->ptl 191KB 482KB [ 44.352882] kmalloc-2097152 2050KB 2050KB [ 44.358266] kmalloc-524288 2056KB 2056KB [ 44.363622] kmalloc-262144 1290KB 1290KB [ 44.369010] kmalloc-131072 650KB 650KB [ 44.374364] kmalloc-65536 264KB 330KB [ 44.379747] kmalloc-32768 660KB 660KB [ 44.385103] kmalloc-16384 247KB 280KB [ 44.390501] kmalloc-8192 1122KB 1163KB [ 44.395902] kmalloc-4096 9175KB 9235KB [ 44.401256] kmalloc-2048 6834KB 6840KB [ 44.406648] kmalloc-1024 3816KB 3858KB [ 44.412004] kmalloc-512 3148KB 4421KB [ 44.417394] kmalloc-256 1937KB 2411KB [ 44.422747] kmalloc-128 444KB 500KB [ 44.428133] kmalloc-96 2553KB 2576KB [ 44.433488] kmalloc-64 2364KB 2476KB [ 44.438886] kmalloc-32 1054KB 1901KB [ 44.444240] kmalloc-192 1000KB 1848KB [ 44.449630] kmem_cache 177KB 183KB [ 44.454984] Tasks state (memory values in pages): [ 44.459861] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 44.468693] [ 4695] 0 4695 11524 1689 118784 0 0 systemd-journal [ 44.477906] [ 4697] 0 4697 10980 976 118784 0 -1000 systemd-udevd [ 44.486961] [ 6169] 100 6169 30769 998 139264 0 0 systemd-timesyn [ 44.496176] [ 6180] 0 6180 5115 276 69632 0 0 dhclient [ 44.504749] [ 7768] 0 7768 63583 842 143360 0 0 rsyslogd [ 44.513354] [ 7777] 0 7777 6999 589 102400 0 0 cron [ 44.521627] [ 7815] 0 7815 3221 421 73728 0 0 agetty [ 44.530055] [ 7829] 0 7829 17490 1612 180224 0 -1000 sshd [ 44.538325] [ 7884] 0 7884 3221 436 73728 0 0 agetty [ 44.546844] [ 7890] 0 7890 3221 408 69632 0 0 agetty [ 44.555289] [ 7905] 0 7905 3221 408 69632 0 0 agetty [ 44.563774] [ 7928] 0 7928 3165 411 73728 0 0 agetty [ 44.572211] [ 7931] 0 7931 3221 437 69632 0 0 agetty [ 44.580659] [ 7939] 0 7939 3221 391 73728 0 0 agetty [ 44.589087] [ 8114] 0 8114 17490 1622 180224 0 0 sshd [ 44.597353] [ 8116] 0 8116 4360 1 32768 0 0 syz-executor407 [ 44.606582] [ 8124] 0 8124 4360 524 45056 0 1000 syz-executor407 executing program [ 44.615811] Out of memory: Kill process 8124 (syz-executor407) score 1000 or sacrifice child [ 44.624382] Killed process 8124 (syz-executor407) total-vm:17440kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 44.635240] oom_reaper: reaped process 8124 (syz-executor407), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 44.649477] FAULT_INJECTION: forcing a failure. [ 44.649477] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 44.661317] CPU: 1 PID: 8127 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 44.669179] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 44.678508] Call Trace: [ 44.681082] dump_stack+0x1fc/0x2ef [ 44.684711] should_fail.cold+0xa/0xf [ 44.688495] ? lock_acquire+0x170/0x3c0 [ 44.692481] ? setup_fault_attr+0x200/0x200 [ 44.696805] __alloc_pages_nodemask+0x239/0x2890 [ 44.701550] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 44.706633] ? try_to_wake_up+0x733/0x1050 [ 44.710854] ? mark_held_locks+0xf0/0xf0 [ 44.714980] ? debug_object_activate+0x295/0x450 [ 44.719717] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 44.724541] ? lock_downgrade+0x720/0x720 [ 44.728670] ? mark_held_locks+0xf0/0xf0 [ 44.732799] ? lock_downgrade+0x720/0x720 [ 44.736932] ? _raw_spin_lock_irqsave+0x94/0xc0 [ 44.741589] alloc_pages_vma+0xf2/0x780 [ 44.745545] wp_page_copy+0x219/0x2c40 [ 44.749455] ? _vm_normal_page+0x132/0x510 [ 44.753668] ? follow_pte_pmd+0x60/0x60 [ 44.757633] ? lock_downgrade+0x720/0x720 [ 44.761777] do_wp_page+0x2d4/0x2210 [ 44.765471] ? finish_mkwrite_fault+0x640/0x640 [ 44.770116] ? __handle_mm_fault+0x15f6/0x41c0 [ 44.774675] ? mark_held_locks+0xf0/0xf0 [ 44.778717] __handle_mm_fault+0x258b/0x41c0 [ 44.783107] ? kernel_read+0x110/0x110 [ 44.786972] ? vm_insert_page+0x9c0/0x9c0 [ 44.791102] ? apparmor_getprocattr+0x11e0/0x11e0 [ 44.795925] ? lock_acquire+0x170/0x3c0 [ 44.799879] ? handle_mm_fault+0xb2/0xb10 [ 44.804107] handle_mm_fault+0x436/0xb10 [ 44.808153] __do_page_fault+0x68e/0xd60 [ 44.812198] ? trace_hardirqs_off_caller+0x6e/0x210 [ 44.817196] ? spurious_fault+0x840/0x840 [ 44.821327] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.826151] ? page_fault+0x8/0x30 [ 44.829672] page_fault+0x1e/0x30 [ 44.833105] RIP: 0033:0x7ff36c145e25 [ 44.836805] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 44.855787] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 44.861129] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 44.868377] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 44.875625] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 44.882874] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 44.890124] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 44.897539] syz-executor407 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 44.907530] syz-executor407 cpuset=/ mems_allowed=0-1 [ 44.912726] CPU: 1 PID: 8127 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 44.920583] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 44.929912] Call Trace: [ 44.932485] dump_stack+0x1fc/0x2ef [ 44.936103] dump_header+0x15d/0xc3f [ 44.939806] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 44.944901] ? ___ratelimit+0x319/0x590 [ 44.948862] oom_kill_process.cold+0x10/0x692 [ 44.953337] ? oom_badness.part.0+0x135/0x6e0 [ 44.957818] ? lock_downgrade+0x720/0x720 [ 44.961946] ? oom_evaluate_task+0x39e/0x6d0 [ 44.966335] out_of_memory+0x34d/0x1390 [ 44.970290] ? lock_acquire+0x170/0x3c0 [ 44.974245] ? oom_killer_disable+0x270/0x270 [ 44.978722] ? mutex_trylock+0x15f/0x1a0 [ 44.982850] pagefault_out_of_memory+0x102/0x120 [ 44.987591] ? out_of_memory+0x1390/0x1390 [ 44.991869] ? lock_downgrade+0x720/0x720 [ 44.996008] mm_fault_error+0x106/0x390 [ 44.999964] __do_page_fault+0xc34/0xd60 [ 45.004010] ? trace_hardirqs_off_caller+0x6e/0x210 [ 45.009034] ? spurious_fault+0x840/0x840 [ 45.013184] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 45.018086] ? page_fault+0x8/0x30 [ 45.021619] page_fault+0x1e/0x30 [ 45.025057] RIP: 0033:0x7ff36c145e25 [ 45.028751] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 45.047639] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 45.053045] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 45.060304] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 45.067554] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 45.074801] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 45.082050] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 45.089405] Mem-Info: [ 45.091836] active_anon:2987 inactive_anon:4720 isolated_anon:0 [ 45.091836] active_file:5309 inactive_file:11905 isolated_file:0 [ 45.091836] unevictable:0 dirty:7895 writeback:0 unstable:0 [ 45.091836] slab_reclaimable:16184 slab_unreclaimable:112357 [ 45.091836] mapped:3719 shmem:4898 pagetables:339 bounce:0 [ 45.091836] free:1531415 free_pcp:517 free_cma:0 [ 45.125732] Node 0 active_anon:11948kB inactive_anon:18880kB active_file:21116kB inactive_file:47620kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14876kB dirty:31572kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 45.154366] Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 45.180340] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.206529] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 45.211554] Node 0 DMA32 free:2070076kB min:35996kB low:44992kB high:53988kB active_anon:11928kB inactive_anon:18880kB active_file:21116kB inactive_file:47696kB unevictable:0kB writepending:31620kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6528kB pagetables:1356kB bounce:0kB free_pcp:2136kB local_pcp:1092kB free_cma:0kB [ 45.241746] lowmem_reserve[]: 0 0 1 1 1 [ 45.245772] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.271690] lowmem_reserve[]: 0 0 0 0 0 [ 45.275707] Node 1 Normal free:4039876kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 45.303358] lowmem_reserve[]: 0 0 0 0 0 [ 45.307400] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 45.321108] Node 0 DMA32: 1313*4kB (U) 12*8kB (UM) 462*16kB (UM) 210*32kB (UM) 41*64kB (UME) 9*128kB (UM) 6*256kB (UME) 2*512kB (UM) 4*1024kB (UME) 4*2048kB (UME) 496*4096kB (M) = 2069700kB [ 45.338223] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 45.349300] Node 1 Normal: 93*4kB (UE) 414*8kB (UE) 292*16kB (UME) 77*32kB (UME) 28*64kB (UME) 9*128kB (UM) 9*256kB (UM) 7*512kB (UM) 4*1024kB (UME) 1*2048kB (U) 980*4096kB (M) = 4039876kB [ 45.366345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.375245] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.383816] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 45.392680] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 45.401298] 22136 total pagecache pages [ 45.405305] 0 pages in swap cache [ 45.408748] Swap cache stats: add 0, delete 0, find 0/0 [ 45.414085] Free swap = 0kB [ 45.417117] Total swap = 0kB [ 45.420125] 2097051 pages RAM [ 45.423215] 0 pages HighMem/MovableOnly [ 45.427256] 369649 pages reserved [ 45.430725] 0 pages cma reserved [ 45.434076] Unreclaimable slab info: [ 45.437803] Name Used Total [ 45.443362] TIPC 1KB 7KB [ 45.448758] SCTPv6 2KB 6KB [ 45.454134] DCCPv6 2KB 7KB [ 45.459520] DCCP 2KB 7KB [ 45.464949] RXRPC 1KB 6KB [ 45.470293] rxrpc_call_jar 11KB 15KB [ 45.475703] fib6_nodes 0KB 4KB [ 45.481063] ip6_dst_cache 0KB 3KB [ 45.486478] RAWv6 10KB 13KB [ 45.491836] UDPv6 13KB 15KB [ 45.497229] TCPv6 6KB 6KB [ 45.502600] nf_conntrack 18KB 26KB [ 45.508032] t10_alua_lu_gp_cache 0KB 3KB [ 45.513648] sd_ext_cdb 0KB 7KB [ 45.519033] scsi_sense_cache 1056KB 1064KB [ 45.524478] virtio_scsi_cmd 16KB 16KB [ 45.529877] sgpool-128 8KB 8KB [ 45.535276] sgpool-64 4KB 12KB [ 45.540698] sgpool-32 2KB 15KB [ 45.546084] sgpool-16 1KB 7KB [ 45.551441] sgpool-8 0KB 7KB [ 45.556826] mqueue_inode_cache 1KB 7KB [ 45.562359] bio_post_read_ctx 14KB 15KB [ 45.567789] bio-2 14KB 15KB [ 45.573173] jfs_mp 7KB 7KB [ 45.578576] cifs_small_rq 15KB 16KB [ 45.583926] cifs_request 67KB 67KB [ 45.589319] cifs_mpx_ids 0KB 7KB [ 45.594684] nfs_commit_data 3KB 14KB [ 45.600067] nfs_write_data 34KB 44KB [ 45.605495] ext4_system_zone 1KB 7KB [ 45.610850] bio-1 1KB 7KB [ 45.616256] rpc_buffers 17KB 25KB [ 45.621611] rpc_tasks 2KB 7KB [ 45.627017] UNIX 390KB 401KB [ 45.632373] tcp_bind_bucket 0KB 4KB [ 45.637767] ip_fib_trie 0KB 3KB [ 45.643124] ip_fib_alias 0KB 3KB [ 45.648978] ip_dst_cache 3KB 8KB [ 45.654339] RAW 6KB 7KB [ 45.659729] UDP 25KB 47KB [ 45.665141] TCP 5KB 11KB [ 45.670515] hugetlbfs_inode_cache 3KB 15KB [ 45.676271] fscache_cookie_jar 1KB 7KB [ 45.681721] eventpoll_pwq 20KB 75KB [ 45.687122] eventpoll_epi 39KB 126KB [ 45.692481] inotify_inode_mark 6KB 7KB [ 45.697962] request_queue 215KB 309KB [ 45.703318] blkdev_requests 1KB 3KB [ 45.708722] blkdev_ioc 4KB 15KB [ 45.714075] bio-0 76KB 150KB [ 45.719459] biovec-max 1237KB 1245KB [ 45.724885] biovec-64 23KB 55KB [ 45.730238] biovec-16 3KB 22KB [ 45.735616] bio_integrity_payload 1KB 8KB [ 45.741326] khugepaged_mm_slot 0KB 3KB [ 45.746826] uid_cache 1KB 12KB [ 45.752183] dmaengine-unmap-2 0KB 3KB [ 45.757576] skbuff_fclone_cache 585KB 585KB [ 45.763103] skbuff_head_cache 2067KB 2231KB [ 45.768508] configfs_dir_cache 3KB 7KB [ 45.773955] file_lock_cache 95KB 106KB [ 45.779338] file_lock_ctx 9KB 11KB [ 45.784694] fsnotify_mark_connector 2KB 7KB [ 45.790617] shmem_inode_cache 7816KB 7820KB [ 45.796039] task_delay_info 73KB 363KB [ 45.801390] taskstats 0KB 3KB [ 45.806788] proc_dir_entry 302KB 307KB [ 45.812149] pde_opener 33KB 77KB [ 45.817531] seq_file 331KB 669KB [ 45.822914] sigqueue 24KB 63KB [ 45.828312] kernfs_node_cache 9950KB 9965KB [ 45.833662] mnt_cache 68KB 76KB [ 45.839046] filp 10512KB 10515KB [ 45.844406] names_cache 176795KB 176817KB [ 45.849829] iint_cache 79KB 79KB [ 45.855225] key_jar 4KB 7KB [ 45.860577] nsproxy 0KB 3KB [ 45.865966] vm_area_struct 1878KB 1914KB [ 45.871326] mm_struct 196KB 461KB [ 45.876744] fs_cache 61KB 280KB [ 45.882098] files_cache 141KB 356KB [ 45.888542] signal_cache 464KB 1221KB [ 45.893895] sighand_cache 481KB 555KB [ 45.899277] task_struct 1843KB 1843KB [ 45.904661] cred_jar 1093KB 1984KB [ 45.910066] anon_vma_chain 664KB 874KB [ 45.915461] anon_vma 168KB 373KB [ 45.920805] pid 51KB 300KB [ 45.926204] Acpi-Operand 157KB 205KB [ 45.931559] Acpi-ParseExt 8KB 11KB [ 45.936944] Acpi-Parse 41KB 51KB [ 45.942301] Acpi-State 52KB 70KB [ 45.947697] Acpi-Namespace 20KB 27KB [ 45.953049] numa_policy 0KB 3KB [ 45.958433] debug_objects_cache 691KB 710KB [ 45.963961] trace_event_file 297KB 298KB [ 45.969366] ftrace_event_field 398KB 401KB [ 45.974870] pool_workqueue 79KB 80KB [ 45.980305] page->ptl 191KB 482KB [ 45.985716] kmalloc-2097152 2050KB 2050KB [ 45.991071] kmalloc-524288 2056KB 2056KB [ 45.996486] kmalloc-262144 1290KB 1290KB [ 46.001936] kmalloc-131072 650KB 650KB [ 46.007507] kmalloc-65536 264KB 330KB [ 46.012868] kmalloc-32768 660KB 660KB [ 46.018259] kmalloc-16384 247KB 280KB [ 46.023707] kmalloc-8192 1122KB 1163KB [ 46.029099] kmalloc-4096 8759KB 8818KB [ 46.034456] kmalloc-2048 6842KB 6846KB [ 46.039840] kmalloc-1024 3879KB 3921KB [ 46.045252] kmalloc-512 3097KB 4395KB [ 46.050635] kmalloc-256 1936KB 2411KB [ 46.056039] kmalloc-128 444KB 500KB [ 46.061395] kmalloc-96 2569KB 2592KB [ 46.066799] kmalloc-64 2364KB 2476KB [ 46.072153] kmalloc-32 1054KB 1901KB [ 46.077546] kmalloc-192 1000KB 1848KB [ 46.082909] kmem_cache 177KB 183KB [ 46.088311] Tasks state (memory values in pages): [ 46.093158] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 46.102007] [ 4695] 0 4695 11524 1755 118784 0 0 systemd-journal [ 46.111238] [ 4697] 0 4697 10980 976 118784 0 -1000 systemd-udevd [ 46.120295] [ 6169] 100 6169 30769 998 139264 0 0 systemd-timesyn [ 46.129506] [ 6180] 0 6180 5115 276 69632 0 0 dhclient [ 46.138124] [ 7768] 0 7768 63583 842 143360 0 0 rsyslogd [ 46.146731] [ 7777] 0 7777 6999 589 102400 0 0 cron [ 46.155001] [ 7815] 0 7815 3221 421 73728 0 0 agetty [ 46.163394] [ 7829] 0 7829 17490 1612 180224 0 -1000 sshd [ 46.171656] [ 7884] 0 7884 3221 436 73728 0 0 agetty [ 46.180107] [ 7890] 0 7890 3221 408 69632 0 0 agetty [ 46.188540] [ 7905] 0 7905 3221 408 69632 0 0 agetty [ 46.196986] [ 7928] 0 7928 3165 411 73728 0 0 agetty [ 46.205443] [ 7931] 0 7931 3221 437 69632 0 0 agetty [ 46.213851] [ 7939] 0 7939 3221 391 73728 0 0 agetty [ 46.222277] [ 8114] 0 8114 17490 1622 180224 0 0 sshd executing program [ 46.230555] [ 8116] 0 8116 4360 1 32768 0 0 syz-executor407 [ 46.239780] [ 8127] 0 8127 4360 524 45056 0 1000 syz-executor407 [ 46.249015] Out of memory: Kill process 8127 (syz-executor407) score 1000 or sacrifice child [ 46.257630] Killed process 8127 (syz-executor407) total-vm:17440kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 46.268412] oom_reaper: reaped process 8127 (syz-executor407), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 46.281788] FAULT_INJECTION: forcing a failure. [ 46.281788] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 46.293674] CPU: 0 PID: 8128 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 46.301550] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 46.310885] Call Trace: [ 46.313460] dump_stack+0x1fc/0x2ef [ 46.317072] should_fail.cold+0xa/0xf [ 46.320889] ? lock_acquire+0x170/0x3c0 [ 46.324849] ? setup_fault_attr+0x200/0x200 [ 46.329189] __alloc_pages_nodemask+0x239/0x2890 [ 46.333924] ? finish_task_switch+0x118/0x760 [ 46.338398] ? trace_hardirqs_on+0x55/0x210 [ 46.342701] ? __schedule+0x88f/0x2040 [ 46.346568] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 46.351410] ? mark_held_locks+0xf0/0xf0 [ 46.355451] ? io_schedule_timeout+0x140/0x140 [ 46.360015] ? lock_downgrade+0x720/0x720 [ 46.364143] ? ___preempt_schedule+0x16/0x18 [ 46.368530] alloc_pages_vma+0xf2/0x780 [ 46.372485] wp_page_copy+0x219/0x2c40 [ 46.376356] ? _vm_normal_page+0x132/0x510 [ 46.380571] ? follow_pte_pmd+0x60/0x60 [ 46.384525] ? lock_downgrade+0x720/0x720 [ 46.388651] do_wp_page+0x2d4/0x2210 [ 46.392345] ? finish_mkwrite_fault+0x640/0x640 [ 46.397002] ? __handle_mm_fault+0x15f6/0x41c0 [ 46.401588] ? mark_held_locks+0xf0/0xf0 [ 46.405631] __handle_mm_fault+0x258b/0x41c0 [ 46.410038] ? kernel_read+0x110/0x110 [ 46.413906] ? vm_insert_page+0x9c0/0x9c0 [ 46.418036] ? apparmor_getprocattr+0x11e0/0x11e0 [ 46.422864] ? lock_acquire+0x170/0x3c0 [ 46.426817] ? handle_mm_fault+0xb2/0xb10 [ 46.430948] handle_mm_fault+0x436/0xb10 [ 46.434993] __do_page_fault+0x68e/0xd60 [ 46.439036] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.444035] ? spurious_fault+0x840/0x840 [ 46.448171] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.453017] ? page_fault+0x8/0x30 [ 46.456538] page_fault+0x1e/0x30 [ 46.460110] RIP: 0033:0x7ff36c145e25 [ 46.463820] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 46.482795] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 46.488140] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 46.495391] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 46.502641] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 46.509895] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.517146] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 46.524808] syz-executor407 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 46.534991] syz-executor407 cpuset=/ mems_allowed=0-1 [ 46.540263] CPU: 0 PID: 8128 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 46.548122] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 46.557452] Call Trace: [ 46.560027] dump_stack+0x1fc/0x2ef [ 46.563633] dump_header+0x15d/0xc3f [ 46.567333] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 46.572415] ? ___ratelimit+0x319/0x590 [ 46.576371] oom_kill_process.cold+0x10/0x692 [ 46.580848] ? oom_badness.part.0+0x135/0x6e0 [ 46.585325] ? lock_downgrade+0x720/0x720 [ 46.589453] ? oom_evaluate_task+0x39e/0x6d0 [ 46.593840] out_of_memory+0x34d/0x1390 [ 46.597799] ? lock_acquire+0x170/0x3c0 [ 46.601838] ? oom_killer_disable+0x270/0x270 [ 46.606316] ? mutex_trylock+0x15f/0x1a0 [ 46.610374] pagefault_out_of_memory+0x102/0x120 [ 46.615113] ? out_of_memory+0x1390/0x1390 [ 46.619331] ? lock_downgrade+0x720/0x720 [ 46.623459] mm_fault_error+0x106/0x390 [ 46.627415] __do_page_fault+0xc34/0xd60 [ 46.631528] ? trace_hardirqs_off_caller+0x6e/0x210 [ 46.636561] ? spurious_fault+0x840/0x840 [ 46.640694] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 46.645519] ? page_fault+0x8/0x30 [ 46.649041] page_fault+0x1e/0x30 [ 46.652475] RIP: 0033:0x7ff36c145e25 [ 46.656167] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 46.675047] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 46.680389] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 46.687637] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 46.694910] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 46.702181] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 46.709519] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 46.717018] Mem-Info: [ 46.719522] active_anon:2984 inactive_anon:4720 isolated_anon:0 [ 46.719522] active_file:5309 inactive_file:11938 isolated_file:0 [ 46.719522] unevictable:0 dirty:7919 writeback:0 unstable:0 [ 46.719522] slab_reclaimable:16185 slab_unreclaimable:112308 [ 46.719522] mapped:3748 shmem:4898 pagetables:339 bounce:0 [ 46.719522] free:1531373 free_pcp:565 free_cma:0 [ 46.753662] Node 0 active_anon:11936kB inactive_anon:18880kB active_file:21116kB inactive_file:47752kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:14992kB dirty:31668kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 46.782042] Node 1 active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:8kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 46.807893] Node 0 DMA free:15908kB min:204kB low:252kB high:300kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:15992kB managed:15908kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.834694] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 46.839752] Node 0 DMA32 free:2070012kB min:35996kB low:44992kB high:53988kB active_anon:11936kB inactive_anon:18880kB active_file:21116kB inactive_file:47752kB unevictable:0kB writepending:31668kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6528kB pagetables:1356kB bounce:0kB free_pcp:2256kB local_pcp:1108kB free_cma:0kB [ 46.869953] lowmem_reserve[]: 0 0 1 1 1 [ 46.873972] Node 0 Normal free:8kB min:24kB low:28kB high:32kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:1048576kB managed:2000kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.899910] lowmem_reserve[]: 0 0 0 0 0 [ 46.904209] Node 1 Normal free:4039876kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:8kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 46.931875] lowmem_reserve[]: 0 0 0 0 0 [ 46.935928] Node 0 DMA: 1*4kB (U) 0*8kB 0*16kB 1*32kB (U) 2*64kB (U) 1*128kB (U) 1*256kB (U) 0*512kB 1*1024kB (U) 1*2048kB (M) 3*4096kB (M) = 15908kB [ 46.949543] Node 0 DMA32: 1313*4kB (U) 63*8kB (UM) 426*16kB (UM) 213*32kB (UM) 41*64kB (UME) 9*128kB (UM) 6*256kB (UME) 2*512kB (UM) 4*1024kB (UME) 4*2048kB (UME) 496*4096kB (M) = 2069628kB [ 46.966785] Node 0 Normal: 0*4kB 1*8kB (U) 0*16kB 0*32kB 0*64kB 0*128kB 0*256kB 0*512kB 0*1024kB 0*2048kB 0*4096kB = 8kB [ 46.977891] Node 1 Normal: 93*4kB (UE) 414*8kB (UE) 292*16kB (UME) 77*32kB (UME) 28*64kB (UME) 9*128kB (UM) 9*256kB (UM) 7*512kB (UM) 4*1024kB (UME) 1*2048kB (U) 980*4096kB (M) = 4039876kB [ 46.994958] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 47.003847] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.012482] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 47.021388] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 47.030010] 22148 total pagecache pages [ 47.034005] 0 pages in swap cache [ 47.037506] Swap cache stats: add 0, delete 0, find 0/0 [ 47.042933] Free swap = 0kB [ 47.046013] Total swap = 0kB [ 47.049061] 2097051 pages RAM [ 47.052166] 0 pages HighMem/MovableOnly [ 47.056186] 369649 pages reserved [ 47.059664] 0 pages cma reserved [ 47.063033] Unreclaimable slab info: [ 47.066790] Name Used Total [ 47.072389] TIPC 1KB 7KB [ 47.077809] SCTPv6 2KB 6KB [ 47.083196] DCCPv6 2KB 7KB [ 47.088616] DCCP 2KB 7KB [ 47.094015] RXRPC 1KB 6KB [ 47.099429] rxrpc_call_jar 11KB 15KB [ 47.104864] fib6_nodes 0KB 4KB [ 47.110236] ip6_dst_cache 3KB 3KB [ 47.115677] RAWv6 10KB 13KB [ 47.121070] UDPv6 13KB 15KB [ 47.126486] TCPv6 6KB 6KB [ 47.131880] nf_conntrack 18KB 26KB [ 47.137367] t10_alua_lu_gp_cache 0KB 3KB [ 47.143029] sd_ext_cdb 0KB 7KB [ 47.148476] scsi_sense_cache 1056KB 1060KB [ 47.153870] virtio_scsi_cmd 16KB 16KB [ 47.159289] sgpool-128 8KB 8KB [ 47.164718] sgpool-64 4KB 12KB [ 47.170094] sgpool-32 2KB 15KB [ 47.175627] sgpool-16 1KB 7KB [ 47.181051] sgpool-8 0KB 7KB [ 47.186474] mqueue_inode_cache 1KB 7KB [ 47.191956] bio_post_read_ctx 14KB 15KB [ 47.197408] bio-2 14KB 15KB [ 47.202802] jfs_mp 7KB 7KB [ 47.208237] cifs_small_rq 15KB 16KB [ 47.213624] cifs_request 67KB 67KB [ 47.219065] cifs_mpx_ids 0KB 7KB [ 47.224490] nfs_commit_data 3KB 14KB [ 47.229846] nfs_write_data 34KB 44KB [ 47.235268] ext4_system_zone 1KB 7KB [ 47.240630] bio-1 1KB 7KB [ 47.246037] rpc_buffers 17KB 25KB [ 47.251402] rpc_tasks 2KB 7KB [ 47.256810] UNIX 390KB 397KB [ 47.262162] tcp_bind_bucket 0KB 4KB [ 47.267565] ip_fib_trie 0KB 3KB [ 47.272926] ip_fib_alias 0KB 3KB [ 47.278315] ip_dst_cache 2KB 8KB [ 47.283669] RAW 6KB 7KB [ 47.289084] UDP 25KB 47KB [ 47.294491] TCP 5KB 11KB [ 47.299839] hugetlbfs_inode_cache 3KB 15KB [ 47.305567] fscache_cookie_jar 1KB 7KB [ 47.311063] eventpoll_pwq 20KB 75KB [ 47.316457] eventpoll_epi 21KB 90KB [ 47.321843] inotify_inode_mark 6KB 7KB [ 47.327327] request_queue 207KB 279KB [ 47.332689] blkdev_requests 1KB 3KB [ 47.338082] blkdev_ioc 4KB 15KB [ 47.343439] bio-0 70KB 127KB [ 47.348828] biovec-max 1237KB 1237KB [ 47.354184] biovec-64 16KB 39KB [ 47.359583] biovec-16 3KB 22KB [ 47.364988] bio_integrity_payload 1KB 8KB [ 47.370685] khugepaged_mm_slot 0KB 3KB [ 47.376165] uid_cache 1KB 12KB [ 47.381521] dmaengine-unmap-2 0KB 3KB [ 47.387038] skbuff_fclone_cache 585KB 585KB [ 47.392564] skbuff_head_cache 2028KB 2231KB [ 47.397956] configfs_dir_cache 3KB 7KB [ 47.403396] file_lock_cache 94KB 102KB [ 47.408784] file_lock_ctx 9KB 11KB [ 47.414139] fsnotify_mark_connector 2KB 7KB [ 47.420060] shmem_inode_cache 7816KB 7820KB [ 47.425456] task_delay_info 73KB 363KB [ 47.430812] taskstats 0KB 3KB [ 47.436203] proc_dir_entry 302KB 307KB [ 47.441647] pde_opener 27KB 73KB [ 47.447063] seq_file 319KB 661KB [ 47.452420] sigqueue 23KB 59KB [ 47.457817] kernfs_node_cache 9949KB 9965KB [ 47.463172] mnt_cache 68KB 76KB [ 47.468566] filp 10610KB 10612KB [ 47.474020] names_cache 177076KB 177097KB [ 47.479421] iint_cache 79KB 79KB [ 47.484855] key_jar 4KB 7KB [ 47.490203] nsproxy 0KB 3KB [ 47.495587] vm_area_struct 1878KB 1914KB [ 47.500949] mm_struct 196KB 461KB [ 47.506340] fs_cache 61KB 280KB [ 47.511701] files_cache 141KB 356KB [ 47.517191] signal_cache 464KB 1221KB [ 47.522549] sighand_cache 478KB 548KB [ 47.527941] task_struct 1849KB 1849KB [ 47.533297] cred_jar 1213KB 1984KB [ 47.538695] anon_vma_chain 664KB 874KB [ 47.544050] anon_vma 147KB 373KB [ 47.549445] pid 51KB 300KB [ 47.554846] Acpi-Operand 157KB 205KB [ 47.560197] Acpi-ParseExt 8KB 11KB [ 47.565599] Acpi-Parse 41KB 47KB [ 47.570955] Acpi-State 52KB 66KB [ 47.576354] Acpi-Namespace 20KB 27KB [ 47.581739] numa_policy 0KB 3KB [ 47.587215] debug_objects_cache 690KB 710KB [ 47.592744] trace_event_file 297KB 298KB [ 47.598257] ftrace_event_field 398KB 401KB [ 47.603700] pool_workqueue 79KB 80KB [ 47.609154] page->ptl 191KB 482KB [ 47.614576] kmalloc-2097152 2050KB 2050KB [ 47.619925] kmalloc-524288 2056KB 2056KB [ 47.625337] kmalloc-262144 1290KB 1290KB [ 47.630869] kmalloc-131072 650KB 650KB [ 47.636353] kmalloc-65536 264KB 330KB [ 47.641806] kmalloc-32768 660KB 660KB [ 47.647212] kmalloc-16384 247KB 280KB [ 47.652566] kmalloc-8192 1122KB 1163KB [ 47.657955] kmalloc-4096 8385KB 8444KB [ 47.663311] kmalloc-2048 6848KB 6853KB [ 47.668706] kmalloc-1024 3965KB 4008KB [ 47.674067] kmalloc-512 3036KB 4372KB [ 47.679468] kmalloc-256 1930KB 2388KB [ 47.684873] kmalloc-128 439KB 500KB [ 47.690221] kmalloc-96 2573KB 2596KB [ 47.695694] kmalloc-64 2352KB 2476KB [ 47.701057] kmalloc-32 1048KB 1901KB [ 47.706446] kmalloc-192 976KB 1768KB [ 47.711808] kmem_cache 177KB 183KB [ 47.717294] Tasks state (memory values in pages): [ 47.722134] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 47.730952] [ 4695] 0 4695 11524 1755 118784 0 0 systemd-journal [ 47.740184] [ 4697] 0 4697 10980 976 118784 0 -1000 systemd-udevd [ 47.749216] [ 6169] 100 6169 30769 998 139264 0 0 systemd-timesyn [ 47.758453] [ 6180] 0 6180 5115 276 69632 0 0 dhclient [ 47.767054] [ 7768] 0 7768 63583 842 143360 0 0 rsyslogd [ 47.775671] [ 7777] 0 7777 6999 589 102400 0 0 cron [ 47.783885] [ 7815] 0 7815 3221 421 73728 0 0 agetty [ 47.792320] [ 7829] 0 7829 17490 1612 180224 0 -1000 sshd [ 47.800595] [ 7884] 0 7884 3221 436 73728 0 0 agetty [ 47.809143] [ 7890] 0 7890 3221 408 69632 0 0 agetty [ 47.817592] [ 7905] 0 7905 3221 408 69632 0 0 agetty [ 47.826033] [ 7928] 0 7928 3165 411 73728 0 0 agetty [ 47.834464] [ 7931] 0 7931 3221 437 69632 0 0 agetty [ 47.842867] [ 7939] 0 7939 3221 391 73728 0 0 agetty [ 47.851317] [ 8114] 0 8114 17490 1622 180224 0 0 sshd [ 47.859589] [ 8116] 0 8116 4360 1 32768 0 0 syz-executor407 [ 47.868798] [ 8128] 0 8128 4360 524 45056 0 1000 syz-executor407 [ 47.878033] Out of memory: Kill process 8128 (syz-executor407) score 1000 or sacrifice child executing program [ 47.886647] Killed process 8128 (syz-executor407) total-vm:17440kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 47.897500] oom_reaper: reaped process 8128 (syz-executor407), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 47.910878] FAULT_INJECTION: forcing a failure. [ 47.910878] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 47.922773] CPU: 1 PID: 8129 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 47.930634] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 47.939973] Call Trace: [ 47.942549] dump_stack+0x1fc/0x2ef [ 47.946169] should_fail.cold+0xa/0xf [ 47.949962] ? lock_acquire+0x170/0x3c0 [ 47.953950] ? setup_fault_attr+0x200/0x200 [ 47.958268] __alloc_pages_nodemask+0x239/0x2890 [ 47.963013] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 47.968145] ? try_to_wake_up+0x733/0x1050 [ 47.972364] ? mark_held_locks+0xf0/0xf0 [ 47.976406] ? debug_object_activate+0x295/0x450 [ 47.981143] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 47.985984] ? lock_downgrade+0x720/0x720 [ 47.990142] ? mark_held_locks+0xf0/0xf0 [ 47.994197] ? lock_downgrade+0x720/0x720 [ 47.998328] ? _raw_spin_lock_irqsave+0x94/0xc0 [ 48.002980] alloc_pages_vma+0xf2/0x780 [ 48.006942] wp_page_copy+0x219/0x2c40 [ 48.010812] ? _vm_normal_page+0x132/0x510 [ 48.015032] ? follow_pte_pmd+0x60/0x60 [ 48.018997] ? lock_downgrade+0x720/0x720 [ 48.023127] do_wp_page+0x2d4/0x2210 [ 48.026821] ? finish_mkwrite_fault+0x640/0x640 [ 48.031473] ? __handle_mm_fault+0x15f6/0x41c0 [ 48.036035] ? mark_held_locks+0xf0/0xf0 [ 48.040076] __handle_mm_fault+0x258b/0x41c0 [ 48.044467] ? kernel_read+0x110/0x110 [ 48.048335] ? vm_insert_page+0x9c0/0x9c0 [ 48.052466] ? apparmor_getprocattr+0x11e0/0x11e0 [ 48.057315] ? lock_acquire+0x170/0x3c0 [ 48.061355] ? handle_mm_fault+0xb2/0xb10 [ 48.065504] handle_mm_fault+0x436/0xb10 [ 48.069557] __do_page_fault+0x68e/0xd60 [ 48.073608] ? trace_hardirqs_off_caller+0x6e/0x210 [ 48.078612] ? spurious_fault+0x840/0x840 [ 48.082744] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.087681] ? page_fault+0x8/0x30 [ 48.091200] page_fault+0x1e/0x30 [ 48.094635] RIP: 0033:0x7ff36c145e25 [ 48.098329] Code: 0a 00 00 74 08 84 c9 0f 85 46 02 00 00 45 31 e4 0f 1f 44 00 00 64 8b 04 25 18 00 00 00 ba 01 00 00 00 85 c0 0f 85 d5 01 00 00 <0f> b1 15 1c b0 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 48.117214] RSP: 002b:00007ffe94535740 EFLAGS: 00010246 [ 48.122560] RAX: 0000000000000000 RBX: 00007ff36c1ee140 RCX: 0000000000000001 [ 48.129818] RDX: 0000000000000001 RSI: 00007ff36c1ee140 RDI: 0000000000000000 [ 48.137070] RBP: 0000000000000000 R08: 0000000000000001 R09: 0000000000000001 [ 48.144319] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 48.151566] R13: 0000000000000001 R14: 0000000000000000 R15: 0000000000000000 [ 48.159052] syz-executor407 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 48.169096] syz-executor407 cpuset=/ mems_allowed=0-1 [ 48.174372] CPU: 1 PID: 8129 Comm: syz-executor407 Not tainted 4.19.211-syzkaller #0 [ 48.182236] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 10/26/2022 [ 48.191568] Call Trace: [ 48.194142] dump_stack+0x1fc/0x2ef [ 48.197751] dump_header+0x15d/0xc3f [ 48.201443] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 48.206541] ? ___ratelimit+0x319/0x590 [ 48.210494] oom_kill_process.cold+0x10/0x692 [ 48.214966] ? oom_badness.part.0+0x135/0x6e0 [ 48.219786] ? lock_downgrade+0x720/0x720 [ 48.223912] ? oom_evaluate_task+0x39e/0x6d0 [ 48.228304] out_of_memory+0x34d/0x1390 [ 48.232265] ? lock_acquire+0x170/0x3c0 [ 48.236215] ? oom_killer_disable+0x270/0x270 [ 48.240691] ? mutex_trylock+0x15f/0x1a0 [ 48.244728] pagefault_out_of_memory+0x102/0x120 [ 48.249460] ? out_of_memory+0x1390/0x1390 [ 48.253673] ? lock_downgrade+0x720/0x720 [ 48.257802] mm_fault_error+0x106/0x390 [ 48.261754] __do_page_fault+0xc34/0xd60 [ 48.265793] ? trace_hardirqs_off_caller+0x6e/0x210 [ 48.270786] ? spurious_fault+0x840/0x840 [ 48.274913] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 48.279735] ? page_fault+0x8/0x30 [ 48.283252] page_fault+0x1e/0x30 [ 48.286684] RIP: 0033:0x7ff36c145e25