[ 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 '10.128.0.185' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 34.412549] FAULT_INJECTION: forcing a failure. [ 34.412549] name failslab, interval 1, probability 0, space 0, times 1 [ 34.424303] CPU: 1 PID: 8080 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 34.432199] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 34.441560] Call Trace: [ 34.444172] dump_stack+0x1fc/0x2ef [ 34.447824] should_fail.cold+0xa/0xf [ 34.451623] ? __lockdep_init_map+0x100/0x5a0 [ 34.456110] ? setup_fault_attr+0x200/0x200 [ 34.460419] ? btrfs_cache_helper+0x20/0x20 [ 34.464726] ? btrfs_init_work+0xd0/0x210 [ 34.468862] __should_failslab+0x115/0x180 [ 34.473079] should_failslab+0x5/0x10 [ 34.476861] __kmalloc+0x2ab/0x3c0 [ 34.480380] ? device_list_add+0x4e7/0xdd0 [ 34.484604] device_list_add+0x4e7/0xdd0 [ 34.488657] ? btrfs_rm_dev_replace_free_srcdev+0x450/0x450 [ 34.494360] btrfs_scan_one_device+0x33f/0xd00 [ 34.498942] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 34.504028] ? debug_check_no_obj_freed+0x201/0x490 [ 34.509026] ? device_list_add+0xdd0/0xdd0 [ 34.513244] ? kfree+0x110/0x210 [ 34.516593] ? btrfs_mount_root+0x107a/0x1830 [ 34.521070] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.525634] btrfs_mount_root+0x9df/0x1830 [ 34.529893] ? btrfs_decode_error+0x70/0x70 [ 34.534217] ? __mutex_unlock_slowpath+0xea/0x610 [ 34.539158] ? check_preemption_disabled+0x41/0x280 [ 34.544168] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.549193] ? pcpu_alloc+0xc9/0x1190 [ 34.552980] ? __lockdep_init_map+0x100/0x5a0 [ 34.557465] mount_fs+0xa3/0x310 [ 34.560818] vfs_kern_mount.part.0+0x68/0x470 [ 34.565294] ? kfree+0x110/0x210 [ 34.568645] vfs_kern_mount+0x3c/0x60 [ 34.572429] btrfs_mount+0x23a/0xaa0 [ 34.576124] ? btrfs_show_options+0xfd0/0xfd0 [ 34.580616] ? __mutex_unlock_slowpath+0xea/0x610 [ 34.585443] ? check_preemption_disabled+0x41/0x280 [ 34.590463] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 34.595463] ? pcpu_alloc+0xc9/0x1190 [ 34.599260] ? __lockdep_init_map+0x100/0x5a0 [ 34.603736] mount_fs+0xa3/0x310 [ 34.607088] vfs_kern_mount.part.0+0x68/0x470 [ 34.611568] do_mount+0x115c/0x2f50 [ 34.615180] ? cmp_ex_sort+0xc0/0xc0 [ 34.618873] ? __do_page_fault+0x180/0xd60 [ 34.623089] ? copy_mount_string+0x40/0x40 [ 34.627308] ? copy_mount_options+0x1cd/0x380 [ 34.631788] ? memset+0x20/0x40 [ 34.635051] ? copy_mount_options+0x26f/0x380 [ 34.639529] ksys_mount+0xcf/0x130 [ 34.643056] __x64_sys_mount+0xba/0x150 [ 34.647031] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.651601] do_syscall_64+0xf9/0x620 [ 34.655486] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 34.660683] RIP: 0033:0x7f0d88ebef2a [ 34.664387] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 34.683279] RSP: 002b:00007ffd3a753458 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 34.690984] RAX: ffffffffffffffda RBX: 00007ffd3a7534b0 RCX: 00007f0d88ebef2a [ 34.698237] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd3a753470 [ 34.705485] RBP: 00007ffd3a753470 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 34.712733] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000020000218 [ 34.719981] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 executing program [ 34.781608] BTRFS: device fsid f90cac8b-044b-4fa8-8bee-4b8d3da88dc2 devid 0 transid 0 /dev/loop0 [ 34.793810] FAULT_INJECTION: forcing a failure. [ 34.793810] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 34.806821] CPU: 0 PID: 8087 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 34.814715] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 34.824062] Call Trace: [ 34.826638] dump_stack+0x1fc/0x2ef [ 34.830255] should_fail.cold+0xa/0xf [ 34.834057] ? lock_acquire+0x170/0x3c0 [ 34.838014] ? setup_fault_attr+0x200/0x200 [ 34.842323] __alloc_pages_nodemask+0x239/0x2890 [ 34.847079] ? mark_held_locks+0xf0/0xf0 [ 34.851142] ? unwind_next_frame+0xeee/0x1400 [ 34.855621] ? __save_stack_trace+0x72/0x190 [ 34.860014] ? deref_stack_reg+0x134/0x1d0 [ 34.864239] ? get_reg+0x176/0x1f0 [ 34.867777] ? deref_stack_reg+0x1d0/0x1d0 [ 34.872004] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 34.876847] ? is_bpf_text_address+0xd5/0x1b0 [ 34.881416] ? __lock_acquire+0x6de/0x3ff0 [ 34.885636] ? __lock_acquire+0x6de/0x3ff0 [ 34.889853] alloc_pages_vma+0xf2/0x780 [ 34.893815] wp_page_copy+0x219/0x2c40 [ 34.897690] ? _vm_normal_page+0x132/0x510 [ 34.901920] ? follow_pte_pmd+0x60/0x60 [ 34.905890] do_wp_page+0x2d4/0x2210 [ 34.909587] ? finish_mkwrite_fault+0x640/0x640 [ 34.914243] ? __handle_mm_fault+0x15f6/0x41c0 [ 34.918861] ? mark_held_locks+0xf0/0xf0 [ 34.922910] __handle_mm_fault+0x258b/0x41c0 [ 34.927315] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 34.931877] ? vm_insert_page+0x9c0/0x9c0 [ 34.936020] ? debug_object_active_state+0x254/0x330 [ 34.941205] ? check_preemption_disabled+0x41/0x280 [ 34.946236] handle_mm_fault+0x436/0xb10 [ 34.950289] __do_page_fault+0x68e/0xd60 [ 34.954339] ? trace_hardirqs_off_caller+0x6e/0x210 [ 34.959341] ? spurious_fault+0x840/0x840 [ 34.963473] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 34.968300] ? page_fault+0x8/0x30 [ 34.971821] page_fault+0x1e/0x30 [ 34.975261] RIP: 0033:0x7f0d88e822a5 [ 34.978956] 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 9c eb 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 34.997840] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 35.003202] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 35.010456] RDX: 0000000000000001 RSI: 00007f0d88f2e138 RDI: 0000000000000000 [ 35.017728] RBP: 0000000000000000 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 35.024999] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 35.032252] R13: 0000000000000001 R14: 431bde82d7b634db R15: 0000000000000000 [ 35.045715] syz-executor404 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 35.056378] syz-executor404 cpuset=/ mems_allowed=0-1 [ 35.061800] CPU: 1 PID: 8087 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 35.069683] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 35.079033] Call Trace: [ 35.081611] dump_stack+0x1fc/0x2ef [ 35.085224] dump_header+0x15d/0xc3f [ 35.088921] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 35.094008] ? ___ratelimit+0x319/0x590 [ 35.097968] oom_kill_process.cold+0x10/0x692 [ 35.102444] ? oom_badness.part.0+0x135/0x6e0 [ 35.106925] ? lock_downgrade+0x720/0x720 [ 35.111059] ? check_preemption_disabled+0x41/0x280 [ 35.116060] out_of_memory+0x34d/0x1390 [ 35.120019] ? lock_acquire+0x170/0x3c0 [ 35.123977] ? oom_killer_disable+0x270/0x270 [ 35.128460] ? mutex_trylock+0x15f/0x1a0 [ 35.132506] pagefault_out_of_memory+0x102/0x120 [ 35.137245] ? out_of_memory+0x1390/0x1390 [ 35.141465] ? lock_downgrade+0x720/0x720 [ 35.145598] mm_fault_error+0x106/0x390 [ 35.149557] __do_page_fault+0xc34/0xd60 [ 35.153607] ? trace_hardirqs_off_caller+0x6e/0x210 [ 35.158620] ? spurious_fault+0x840/0x840 [ 35.162769] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.167596] ? page_fault+0x8/0x30 [ 35.171127] page_fault+0x1e/0x30 [ 35.174562] RIP: 0033:0x7f0d88e822a5 [ 35.178258] 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 9c eb 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 35.197140] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 35.202489] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 35.209739] RDX: 0000000000000001 RSI: 00007f0d88f2e138 RDI: 0000000000000000 [ 35.217016] RBP: 0000000000000000 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 35.224377] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 35.231635] R13: 0000000000000001 R14: 431bde82d7b634db R15: 0000000000000000 [ 35.240107] Mem-Info: [ 35.242636] active_anon:2976 inactive_anon:4721 isolated_anon:0 [ 35.242636] active_file:5336 inactive_file:9966 isolated_file:0 [ 35.242636] unevictable:0 dirty:5974 writeback:0 unstable:0 [ 35.242636] slab_reclaimable:16088 slab_unreclaimable:112466 [ 35.242636] mapped:3759 shmem:4898 pagetables:334 bounce:0 [ 35.242636] free:1533232 free_pcp:529 free_cma:0 [ 35.276532] Node 0 active_anon:11904kB inactive_anon:18884kB active_file:21224kB inactive_file:39864kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:15036kB dirty:23892kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.304978] 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:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 35.330871] 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 [ 35.357143] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 35.362181] Node 0 DMA32 free:2077764kB min:35996kB low:44992kB high:53988kB active_anon:11904kB inactive_anon:18884kB active_file:21224kB inactive_file:39864kB unevictable:0kB writepending:23892kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6560kB pagetables:1336kB bounce:0kB free_pcp:2088kB local_pcp:1248kB free_cma:0kB [ 35.392380] lowmem_reserve[]: 0 0 1 1 1 [ 35.396431] 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 [ 35.422581] lowmem_reserve[]: 0 0 0 0 0 [ 35.426636] Node 1 Normal free:4039456kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 35.455009] lowmem_reserve[]: 0 0 0 0 0 [ 35.459028] 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 [ 35.472682] Node 0 DMA32: 1189*4kB (UM) 54*8kB (UM) 504*16kB (UM) 153*32kB (UME) 29*64kB (UME) 7*128kB (UM) 5*256kB (UM) 2*512kB (UM) 0*1024kB 3*2048kB (UM) 500*4096kB (M) = 2077348kB [ 35.489391] 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 [ 35.500513] Node 1 Normal: 96*4kB (UE) 396*8kB (U) 288*16kB (UME) 84*32kB (UME) 27*64kB (UME) 18*128kB (UME) 11*256kB (UM) 7*512kB (UME) 2*1024kB (M) 1*2048kB (U) 980*4096kB (M) = 4039456kB [ 35.517661] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 35.526559] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.535221] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 35.544118] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 35.552693] 20203 total pagecache pages [ 35.556729] 0 pages in swap cache [ 35.560172] Swap cache stats: add 0, delete 0, find 0/0 [ 35.565591] Free swap = 0kB [ 35.568605] Total swap = 0kB [ 35.571719] 2097051 pages RAM [ 35.574878] 0 pages HighMem/MovableOnly [ 35.578844] 369649 pages reserved [ 35.582274] 0 pages cma reserved [ 35.585755] Unreclaimable slab info: [ 35.589636] Name Used Total [ 35.595350] TIPC 1KB 7KB [ 35.600722] SCTPv6 2KB 6KB [ 35.606154] DCCPv6 2KB 7KB [ 35.611531] DCCP 2KB 7KB [ 35.616998] RXRPC 1KB 6KB [ 35.622358] rxrpc_call_jar 11KB 23KB [ 35.627787] fib6_nodes 0KB 4KB [ 35.633280] ip6_dst_cache 2KB 3KB [ 35.638705] RAWv6 10KB 13KB [ 35.644146] UDPv6 13KB 15KB [ 35.649509] TCPv6 6KB 6KB [ 35.654939] nf_conntrack 18KB 26KB [ 35.660342] t10_alua_lu_gp_cache 0KB 3KB [ 35.666053] sd_ext_cdb 0KB 7KB [ 35.671418] scsi_sense_cache 1068KB 1084KB [ 35.676864] virtio_scsi_cmd 16KB 16KB [ 35.682222] sgpool-128 8KB 8KB [ 35.687642] sgpool-64 4KB 12KB [ 35.693005] sgpool-32 2KB 15KB [ 35.698546] sgpool-16 1KB 7KB [ 35.703986] sgpool-8 0KB 7KB [ 35.709371] mqueue_inode_cache 1KB 7KB [ 35.714887] bio_post_read_ctx 14KB 15KB [ 35.720288] bio-2 14KB 15KB [ 35.725723] jfs_mp 7KB 7KB [ 35.731101] cifs_small_rq 15KB 16KB [ 35.736528] cifs_request 67KB 67KB [ 35.741881] cifs_mpx_ids 0KB 7KB [ 35.747444] nfs_commit_data 3KB 14KB [ 35.752888] nfs_write_data 34KB 44KB [ 35.758340] ext4_system_zone 1KB 7KB [ 35.763793] bio-1 1KB 7KB [ 35.769162] rpc_buffers 17KB 25KB [ 35.774600] rpc_tasks 2KB 7KB [ 35.779962] UNIX 423KB 423KB [ 35.785392] tcp_bind_bucket 0KB 4KB [ 35.790750] ip_fib_trie 0KB 3KB [ 35.796167] ip_fib_alias 0KB 3KB [ 35.801518] ip_dst_cache 3KB 8KB [ 35.806950] RAW 6KB 15KB [ 35.812305] UDP 25KB 54KB [ 35.817724] request_sock_TCP 1KB 7KB [ 35.823074] TCP 5KB 5KB [ 35.828494] hugetlbfs_inode_cache 3KB 15KB [ 35.834267] fscache_cookie_jar 1KB 7KB [ 35.839700] eventpoll_pwq 66KB 99KB [ 35.845116] eventpoll_epi 97KB 157KB [ 35.850494] inotify_inode_mark 11KB 11KB [ 35.856018] request_queue 230KB 339KB [ 35.861382] blkdev_requests 1KB 3KB [ 35.866897] blkdev_ioc 5KB 19KB [ 35.872395] bio-0 119KB 191KB [ 35.877814] biovec-max 1237KB 1295KB [ 35.883203] biovec-64 59KB 94KB [ 35.888620] biovec-16 4KB 22KB [ 35.894065] bio_integrity_payload 1KB 8KB [ 35.899760] khugepaged_mm_slot 1KB 3KB [ 35.905527] uid_cache 2KB 8KB [ 35.910884] dmaengine-unmap-2 0KB 3KB [ 35.916299] skbuff_fclone_cache 416KB 416KB [ 35.921830] skbuff_head_cache 1845KB 1845KB [ 35.927253] configfs_dir_cache 3KB 7KB [ 35.932691] file_lock_cache 110KB 110KB [ 35.938456] file_lock_ctx 9KB 15KB [ 35.944060] fsnotify_mark_connector 7KB 7KB [ 35.949937] shmem_inode_cache 7798KB 7800KB [ 35.955355] task_delay_info 138KB 391KB [ 35.960715] taskstats 0KB 3KB [ 35.966158] proc_dir_entry 302KB 307KB [ 35.971698] pde_opener 50KB 77KB [ 35.977214] seq_file 446KB 850KB [ 35.982569] sigqueue 34KB 74KB [ 35.988108] kernfs_node_cache 9965KB 9969KB [ 35.993543] mnt_cache 87KB 88KB [ 35.998902] filp 10265KB 10267KB [ 36.004325] names_cache 175797KB 175818KB [ 36.009677] iint_cache 79KB 79KB [ 36.015094] key_jar 4KB 11KB [ 36.020460] nsproxy 0KB 7KB [ 36.025907] vm_area_struct 2126KB 2126KB [ 36.031267] mm_struct 268KB 396KB [ 36.036696] fs_cache 141KB 352KB [ 36.042139] files_cache 251KB 532KB [ 36.047589] signal_cache 498KB 1171KB [ 36.052940] sighand_cache 568KB 631KB [ 36.058363] task_struct 1773KB 1773KB [ 36.063804] cred_jar 739KB 1940KB [ 36.069180] anon_vma_chain 756KB 756KB [ 36.074596] anon_vma 208KB 261KB [ 36.079960] pid 97KB 328KB [ 36.085539] Acpi-Operand 160KB 202KB [ 36.090914] Acpi-ParseExt 8KB 11KB [ 36.096512] Acpi-Parse 49KB 63KB [ 36.101892] Acpi-State 63KB 86KB [ 36.107312] Acpi-Namespace 21KB 27KB [ 36.112780] numa_policy 0KB 3KB [ 36.118213] debug_objects_cache 659KB 753KB [ 36.123819] trace_event_file 297KB 298KB [ 36.129175] ftrace_event_field 398KB 401KB [ 36.134682] pool_workqueue 79KB 84KB [ 36.140042] page->ptl 211KB 375KB [ 36.145585] kmalloc-2097152 2050KB 2050KB [ 36.150955] kmalloc-524288 2056KB 2056KB [ 36.156375] kmalloc-262144 1290KB 1290KB [ 36.161744] kmalloc-131072 650KB 650KB [ 36.167269] kmalloc-65536 264KB 330KB [ 36.172620] kmalloc-32768 660KB 660KB [ 36.178051] kmalloc-16384 247KB 313KB [ 36.183515] kmalloc-8192 1105KB 1146KB [ 36.188979] kmalloc-4096 10863KB 10922KB [ 36.194437] kmalloc-2048 6443KB 6445KB [ 36.199798] kmalloc-1024 3344KB 3394KB [ 36.205394] kmalloc-512 3071KB 4181KB [ 36.210750] kmalloc-256 1967KB 2415KB [ 36.216192] kmalloc-128 474KB 500KB [ 36.221550] kmalloc-96 2559KB 2580KB [ 36.227055] kmalloc-64 2411KB 2500KB [ 36.232407] kmalloc-32 1025KB 1866KB [ 36.237883] kmalloc-192 1046KB 1872KB [ 36.243471] kmem_cache 177KB 183KB [ 36.248851] Tasks state (memory values in pages): [ 36.253830] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 36.262663] [ 4678] 0 4678 11524 1604 118784 0 0 systemd-journal [ 36.272034] [ 4705] 0 4705 10949 968 110592 0 -1000 systemd-udevd [ 36.281137] [ 6148] 100 6148 30769 999 135168 0 0 systemd-timesyn [ 36.290388] [ 6159] 0 6159 5115 277 69632 0 0 dhclient [ 36.299050] [ 7796] 0 7796 63583 893 147456 0 0 rsyslogd [ 36.307703] [ 7797] 0 7797 6999 593 102400 0 0 cron [ 36.316343] [ 7860] 0 7860 17490 1576 176128 0 -1000 sshd [ 36.324640] [ 8018] 0 8018 3221 437 69632 0 0 agetty [ 36.333054] [ 8019] 0 8019 3221 412 69632 0 0 agetty [ 36.341701] [ 8020] 0 8020 3221 429 73728 0 0 agetty [ 36.350171] [ 8021] 0 8021 3221 412 73728 0 0 agetty [ 36.358645] [ 8022] 0 8022 3221 408 77824 0 0 agetty [ 36.367131] [ 8023] 0 8023 3165 409 69632 0 0 agetty [ 36.375611] [ 8024] 0 8024 3221 408 73728 0 0 agetty [ 36.384091] [ 8077] 0 8077 17490 1625 176128 0 0 sshd [ 36.392314] [ 8079] 0 8079 4364 1 36864 0 0 syz-executor404 [ 36.401568] [ 8087] 0 8087 4364 524 49152 0 1000 syz-executor404 [ 36.411039] Out of memory: Kill process 8087 (syz-executor404) score 1000 or sacrifice child [ 36.419892] Killed process 8087 (syz-executor404) total-vm:17456kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB executing program [ 36.431445] oom_reaper: reaped process 8087 (syz-executor404), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 36.455551] FAULT_INJECTION: forcing a failure. [ 36.455551] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 36.467820] CPU: 1 PID: 8092 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 36.475711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 36.485053] Call Trace: [ 36.487628] dump_stack+0x1fc/0x2ef [ 36.491239] should_fail.cold+0xa/0xf [ 36.495123] ? lock_acquire+0x170/0x3c0 [ 36.499095] ? setup_fault_attr+0x200/0x200 [ 36.503406] __alloc_pages_nodemask+0x239/0x2890 [ 36.508234] ? __lock_acquire+0x6de/0x3ff0 [ 36.512652] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 36.517519] ? find_next_bit+0x105/0x130 [ 36.521581] ? __lock_acquire+0x6de/0x3ff0 [ 36.525802] alloc_pages_vma+0xf2/0x780 [ 36.529827] wp_page_copy+0x219/0x2c40 [ 36.533710] ? _vm_normal_page+0x132/0x510 [ 36.538020] ? follow_pte_pmd+0x60/0x60 [ 36.541981] do_wp_page+0x2d4/0x2210 [ 36.545681] ? finish_mkwrite_fault+0x640/0x640 [ 36.550334] ? __handle_mm_fault+0x15f6/0x41c0 [ 36.554913] ? mark_held_locks+0xf0/0xf0 [ 36.559053] __handle_mm_fault+0x258b/0x41c0 [ 36.563446] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 36.568023] ? vm_insert_page+0x9c0/0x9c0 [ 36.572162] ? debug_object_active_state+0x254/0x330 [ 36.577252] ? check_preemption_disabled+0x41/0x280 [ 36.582266] handle_mm_fault+0x436/0xb10 [ 36.586319] __do_page_fault+0x68e/0xd60 [ 36.590367] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.595377] ? spurious_fault+0x840/0x840 [ 36.599511] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.604334] ? page_fault+0x8/0x30 [ 36.607871] page_fault+0x1e/0x30 [ 36.611303] RIP: 0033:0x7f0d88e82403 [ 36.615001] Code: ff 45 31 d2 ba 01 00 00 00 be 81 00 00 00 b8 ca 00 00 00 48 8d 3d 55 ea 0a 00 0f 05 e9 28 ff ff ff 66 0f 1f 44 00 00 49 8b 06 <48> 89 03 48 85 c0 74 08 4c 89 f7 e8 fd e1 00 00 64 8b 04 25 18 00 [ 36.633973] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 36.639317] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 36.646588] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f0d88f2fb70 [ 36.653840] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 36.661090] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 36.668355] R13: 0000000000000001 R14: 00007f0d88f30e60 R15: 0000000000000001 [ 36.676821] syz-executor404 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 36.686951] syz-executor404 cpuset=/ mems_allowed=0-1 [ 36.692672] CPU: 1 PID: 8092 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 36.700540] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 36.709897] Call Trace: [ 36.712495] dump_stack+0x1fc/0x2ef [ 36.716135] dump_header+0x15d/0xc3f [ 36.719941] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 36.725028] ? ___ratelimit+0x319/0x590 [ 36.728992] oom_kill_process.cold+0x10/0x692 [ 36.733470] ? oom_badness.part.0+0x135/0x6e0 [ 36.738386] ? lock_downgrade+0x720/0x720 [ 36.742609] ? check_preemption_disabled+0x41/0x280 [ 36.747609] out_of_memory+0x34d/0x1390 [ 36.751568] ? lock_acquire+0x170/0x3c0 [ 36.755619] ? oom_killer_disable+0x270/0x270 [ 36.760098] ? mutex_trylock+0x15f/0x1a0 [ 36.764153] pagefault_out_of_memory+0x102/0x120 [ 36.768987] ? out_of_memory+0x1390/0x1390 [ 36.773309] ? lock_downgrade+0x720/0x720 [ 36.777444] mm_fault_error+0x106/0x390 [ 36.781426] __do_page_fault+0xc34/0xd60 [ 36.785475] ? trace_hardirqs_off_caller+0x6e/0x210 [ 36.790485] ? spurious_fault+0x840/0x840 [ 36.794628] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.799463] ? page_fault+0x8/0x30 [ 36.802991] page_fault+0x1e/0x30 [ 36.806427] RIP: 0033:0x7f0d88e82403 [ 36.810118] Code: ff 45 31 d2 ba 01 00 00 00 be 81 00 00 00 b8 ca 00 00 00 48 8d 3d 55 ea 0a 00 0f 05 e9 28 ff ff ff 66 0f 1f 44 00 00 49 8b 06 <48> 89 03 48 85 c0 74 08 4c 89 f7 e8 fd e1 00 00 64 8b 04 25 18 00 [ 36.828998] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 36.834430] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 36.841678] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f0d88f2fb70 [ 36.848935] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 36.856190] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 36.863439] R13: 0000000000000001 R14: 00007f0d88f30e60 R15: 0000000000000001 [ 36.871555] Mem-Info: [ 36.874054] active_anon:2977 inactive_anon:4721 isolated_anon:0 [ 36.874054] active_file:5336 inactive_file:9966 isolated_file:0 [ 36.874054] unevictable:0 dirty:5987 writeback:0 unstable:0 [ 36.874054] slab_reclaimable:16089 slab_unreclaimable:112479 [ 36.874054] mapped:3806 shmem:4898 pagetables:334 bounce:0 [ 36.874054] free:1533201 free_pcp:506 free_cma:0 [ 36.907978] Node 0 active_anon:11908kB inactive_anon:18884kB active_file:21224kB inactive_file:39864kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:15224kB dirty:23944kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.936461] 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:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 36.962596] 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 [ 36.988795] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 36.993910] Node 0 DMA32 free:2077744kB min:35996kB low:44992kB high:53988kB active_anon:11908kB inactive_anon:18884kB active_file:21224kB inactive_file:39864kB unevictable:0kB writepending:23944kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6560kB pagetables:1336kB bounce:0kB free_pcp:2000kB local_pcp:1224kB free_cma:0kB [ 37.024363] lowmem_reserve[]: 0 0 1 1 1 [ 37.028342] 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 [ 37.054569] lowmem_reserve[]: 0 0 0 0 0 [ 37.058549] Node 1 Normal free:4039456kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 37.086401] lowmem_reserve[]: 0 0 0 0 0 [ 37.090378] 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 [ 37.103997] Node 0 DMA32: 1126*4kB (UM) 51*8kB (UM) 457*16kB (UM) 169*32kB (UME) 32*64kB (UME) 7*128kB (UM) 5*256kB (UM) 2*512kB (UM) 0*1024kB 3*2048kB (UM) 500*4096kB (M) = 2077024kB [ 37.120723] 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 [ 37.131981] Node 1 Normal: 96*4kB (UE) 396*8kB (U) 288*16kB (UME) 84*32kB (UME) 27*64kB (UME) 18*128kB (UME) 11*256kB (UM) 7*512kB (UME) 2*1024kB (M) 1*2048kB (U) 980*4096kB (M) = 4039456kB [ 37.149144] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 37.158037] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.166715] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 37.175600] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 37.184276] 20228 total pagecache pages [ 37.188508] 0 pages in swap cache [ 37.191952] Swap cache stats: add 0, delete 0, find 0/0 [ 37.197362] Free swap = 0kB [ 37.200472] Total swap = 0kB [ 37.203561] 2097051 pages RAM [ 37.206654] 0 pages HighMem/MovableOnly [ 37.210622] 369649 pages reserved [ 37.214112] 0 pages cma reserved [ 37.217468] Unreclaimable slab info: [ 37.221160] Name Used Total [ 37.226841] TIPC 1KB 7KB [ 37.232206] SCTPv6 2KB 6KB [ 37.237627] DCCPv6 2KB 7KB [ 37.243083] DCCP 2KB 7KB [ 37.248472] RXRPC 1KB 6KB [ 37.253918] rxrpc_call_jar 11KB 23KB [ 37.259462] fib6_nodes 0KB 4KB [ 37.264910] ip6_dst_cache 2KB 3KB [ 37.270294] RAWv6 10KB 13KB [ 37.275822] UDPv6 13KB 15KB [ 37.281177] TCPv6 6KB 6KB [ 37.286668] nf_conntrack 18KB 26KB [ 37.292093] t10_alua_lu_gp_cache 0KB 3KB [ 37.297790] sd_ext_cdb 0KB 7KB [ 37.303241] scsi_sense_cache 1068KB 1084KB [ 37.308593] virtio_scsi_cmd 16KB 16KB [ 37.314087] sgpool-128 8KB 8KB [ 37.319446] sgpool-64 4KB 12KB [ 37.324877] sgpool-32 2KB 15KB [ 37.330236] sgpool-16 1KB 7KB [ 37.335773] sgpool-8 0KB 7KB [ 37.341240] mqueue_inode_cache 1KB 7KB [ 37.346765] bio_post_read_ctx 14KB 15KB [ 37.352157] bio-2 14KB 15KB [ 37.357567] jfs_mp 7KB 7KB [ 37.363159] cifs_small_rq 15KB 16KB [ 37.368522] cifs_request 67KB 67KB [ 37.373941] cifs_mpx_ids 0KB 7KB [ 37.379321] nfs_commit_data 3KB 14KB [ 37.384850] nfs_write_data 34KB 44KB [ 37.390229] ext4_system_zone 1KB 7KB [ 37.395681] bio-1 1KB 7KB [ 37.401058] rpc_buffers 17KB 25KB [ 37.406501] rpc_tasks 2KB 7KB [ 37.411854] UNIX 423KB 423KB [ 37.417362] tcp_bind_bucket 0KB 4KB [ 37.422889] ip_fib_trie 0KB 3KB [ 37.428237] ip_fib_alias 0KB 3KB [ 37.433634] ip_dst_cache 3KB 8KB [ 37.438998] RAW 6KB 15KB [ 37.444570] UDP 25KB 54KB [ 37.449929] request_sock_TCP 1KB 7KB [ 37.455360] TCP 5KB 5KB [ 37.460735] hugetlbfs_inode_cache 3KB 15KB [ 37.466520] fscache_cookie_jar 1KB 7KB [ 37.472046] eventpoll_pwq 66KB 99KB [ 37.477461] eventpoll_epi 97KB 157KB [ 37.482891] inotify_inode_mark 11KB 11KB [ 37.488333] request_queue 230KB 339KB [ 37.493745] blkdev_requests 1KB 3KB [ 37.499117] blkdev_ioc 19KB 19KB [ 37.504615] bio-0 119KB 191KB [ 37.509982] biovec-max 1237KB 1295KB [ 37.515418] biovec-64 59KB 94KB [ 37.520780] biovec-16 4KB 22KB [ 37.526325] bio_integrity_payload 1KB 8KB [ 37.532025] khugepaged_mm_slot 1KB 3KB [ 37.537532] uid_cache 2KB 8KB [ 37.542969] dmaengine-unmap-2 0KB 3KB [ 37.548326] skbuff_fclone_cache 416KB 416KB [ 37.553907] skbuff_head_cache 1777KB 1845KB [ 37.559292] configfs_dir_cache 3KB 7KB [ 37.564847] file_lock_cache 114KB 114KB [ 37.570204] file_lock_ctx 9KB 15KB [ 37.575612] fsnotify_mark_connector 7KB 7KB [ 37.581577] shmem_inode_cache 7817KB 7820KB [ 37.587014] task_delay_info 138KB 391KB [ 37.592436] taskstats 0KB 3KB [ 37.597880] proc_dir_entry 302KB 307KB [ 37.603323] pde_opener 50KB 77KB [ 37.608681] seq_file 415KB 842KB [ 37.614091] sigqueue 34KB 74KB [ 37.619455] kernfs_node_cache 9965KB 9969KB [ 37.624923] mnt_cache 87KB 88KB [ 37.630374] filp 10448KB 10451KB [ 37.635960] names_cache 176251KB 176273KB [ 37.641314] iint_cache 79KB 79KB [ 37.646763] key_jar 4KB 11KB [ 37.652121] nsproxy 0KB 7KB [ 37.657845] vm_area_struct 2169KB 2169KB [ 37.663301] mm_struct 268KB 396KB [ 37.668828] fs_cache 141KB 352KB [ 37.674240] files_cache 251KB 532KB [ 37.679620] signal_cache 498KB 1171KB [ 37.685102] sighand_cache 568KB 631KB [ 37.690470] task_struct 1830KB 1830KB [ 37.695904] cred_jar 829KB 1940KB [ 37.701258] anon_vma_chain 775KB 775KB [ 37.706693] anon_vma 208KB 261KB [ 37.712059] pid 97KB 328KB [ 37.717468] Acpi-Operand 160KB 202KB [ 37.722917] Acpi-ParseExt 8KB 11KB [ 37.728269] Acpi-Parse 49KB 63KB [ 37.733672] Acpi-State 63KB 86KB [ 37.739034] Acpi-Namespace 21KB 27KB [ 37.744520] numa_policy 0KB 3KB [ 37.749891] debug_objects_cache 659KB 753KB [ 37.755488] trace_event_file 297KB 298KB [ 37.760852] ftrace_event_field 398KB 401KB [ 37.766411] pool_workqueue 79KB 84KB [ 37.771774] page->ptl 216KB 375KB [ 37.777383] kmalloc-2097152 2050KB 2050KB [ 37.782836] kmalloc-524288 2056KB 2056KB [ 37.788193] kmalloc-262144 1290KB 1290KB [ 37.793613] kmalloc-131072 650KB 650KB [ 37.798982] kmalloc-65536 264KB 330KB [ 37.804559] kmalloc-32768 660KB 660KB [ 37.809958] kmalloc-16384 247KB 313KB [ 37.815370] kmalloc-8192 1113KB 1155KB [ 37.820992] kmalloc-4096 10382KB 10442KB [ 37.826426] kmalloc-2048 6449KB 6451KB [ 37.831784] kmalloc-1024 3415KB 3465KB [ 37.837199] kmalloc-512 3003KB 4170KB [ 37.842632] kmalloc-256 1967KB 2415KB [ 37.847987] kmalloc-128 474KB 500KB [ 37.853389] kmalloc-96 2587KB 2608KB [ 37.858767] kmalloc-64 2411KB 2500KB [ 37.864280] kmalloc-32 1029KB 1866KB [ 37.869724] kmalloc-192 1046KB 1872KB [ 37.875140] kmem_cache 177KB 183KB [ 37.881103] Tasks state (memory values in pages): [ 37.886017] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 37.894864] [ 4678] 0 4678 11524 1656 118784 0 0 systemd-journal [ 37.904317] [ 4705] 0 4705 10949 968 110592 0 -1000 systemd-udevd [ 37.913400] [ 6148] 100 6148 30769 999 135168 0 0 systemd-timesyn [ 37.922783] [ 6159] 0 6159 5115 277 69632 0 0 dhclient [ 37.931440] [ 7796] 0 7796 63583 893 147456 0 0 rsyslogd [ 37.940091] [ 7797] 0 7797 6999 593 102400 0 0 cron [ 37.948490] [ 7860] 0 7860 17490 1576 176128 0 -1000 sshd [ 37.956869] [ 8018] 0 8018 3221 437 69632 0 0 agetty [ 37.965343] [ 8019] 0 8019 3221 412 69632 0 0 agetty [ 37.973803] [ 8020] 0 8020 3221 429 73728 0 0 agetty [ 37.982291] [ 8021] 0 8021 3221 412 73728 0 0 agetty [ 37.990702] [ 8022] 0 8022 3221 408 77824 0 0 agetty [ 37.999421] [ 8023] 0 8023 3165 409 69632 0 0 agetty [ 38.007913] [ 8024] 0 8024 3221 408 73728 0 0 agetty [ 38.016466] [ 8077] 0 8077 17490 1625 176128 0 0 sshd [ 38.024768] [ 8079] 0 8079 4364 1 36864 0 0 syz-executor404 [ 38.034001] [ 8092] 0 8092 4364 524 49152 0 1000 syz-executor404 executing program [ 38.043283] Out of memory: Kill process 8092 (syz-executor404) score 1000 or sacrifice child [ 38.051864] Killed process 8092 (syz-executor404) total-vm:17456kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 38.062793] oom_reaper: reaped process 8092 (syz-executor404), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 38.122465] FAULT_INJECTION: forcing a failure. [ 38.122465] name failslab, interval 1, probability 0, space 0, times 0 [ 38.134011] CPU: 1 PID: 8101 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 38.141968] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 38.151320] Call Trace: [ 38.153899] dump_stack+0x1fc/0x2ef [ 38.157699] should_fail.cold+0xa/0xf [ 38.161483] ? setup_fault_attr+0x200/0x200 [ 38.165794] ? lock_acquire+0x170/0x3c0 [ 38.169751] __should_failslab+0x115/0x180 [ 38.173976] should_failslab+0x5/0x10 [ 38.177904] kmem_cache_alloc_node_trace+0x244/0x3b0 [ 38.183031] __kmalloc_node_track_caller+0x38/0x70 [ 38.187956] __alloc_skb+0xae/0x560 [ 38.191590] alloc_uevent_skb+0x7b/0x210 [ 38.195823] kobject_uevent_env+0xa90/0x1480 [ 38.200223] __loop_clr_fd+0x5dd/0xe50 [ 38.204098] lo_ioctl+0x363/0x20e0 [ 38.207709] ? unwind_get_return_address+0x51/0x90 [ 38.212627] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.217975] ? __save_stack_trace+0xaf/0x190 [ 38.222368] ? loop_set_status64+0x110/0x110 [ 38.226821] blkdev_ioctl+0x5cb/0x1a80 [ 38.230711] ? blkpg_ioctl+0x9d0/0x9d0 [ 38.234596] ? trace_hardirqs_off+0x64/0x200 [ 38.239181] ? __kasan_slab_free+0x186/0x1f0 [ 38.243569] ? kfree+0xcc/0x210 [ 38.246846] ? ksys_mount+0xf4/0x130 [ 38.250557] ? __x64_sys_mount+0xba/0x150 [ 38.254703] ? do_syscall_64+0xf9/0x620 [ 38.258663] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.264018] block_ioctl+0xe9/0x130 [ 38.267631] ? blkdev_fallocate+0x3f0/0x3f0 [ 38.271940] do_vfs_ioctl+0xcdb/0x12e0 [ 38.275822] ? lock_downgrade+0x720/0x720 [ 38.280040] ? ioctl_preallocate+0x200/0x200 [ 38.284434] ? trace_hardirqs_off+0x64/0x200 [ 38.289089] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 38.294177] ? debug_check_no_obj_freed+0x201/0x490 [ 38.299180] ? kfree+0x110/0x210 [ 38.302542] ? ksys_mount+0xf4/0x130 [ 38.306238] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.310808] ksys_ioctl+0x9b/0xc0 [ 38.314253] __x64_sys_ioctl+0x6f/0xb0 [ 38.318123] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.322687] do_syscall_64+0xf9/0x620 [ 38.326476] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 38.331646] RIP: 0033:0x7f0d88ebd9a7 [ 38.335360] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 64 47 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 38.354331] RSP: 002b:00007ffd3a753458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 38.362021] RAX: ffffffffffffffda RBX: 0000555555c322c0 RCX: 00007f0d88ebd9a7 executing program [ 38.369276] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 [ 38.376624] RBP: 000000000000000d R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 38.383889] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000218 [ 38.391143] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 38.419864] FAULT_INJECTION: forcing a failure. [ 38.419864] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 38.432027] CPU: 1 PID: 8107 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 38.439900] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 38.449236] Call Trace: [ 38.451806] dump_stack+0x1fc/0x2ef [ 38.455420] should_fail.cold+0xa/0xf [ 38.459226] ? lock_acquire+0x170/0x3c0 [ 38.463180] ? setup_fault_attr+0x200/0x200 [ 38.467496] __alloc_pages_nodemask+0x239/0x2890 [ 38.472252] ? mark_held_locks+0xf0/0xf0 [ 38.476297] ? unwind_next_frame+0xeee/0x1400 [ 38.482260] ? __save_stack_trace+0x72/0x190 [ 38.486663] ? deref_stack_reg+0x134/0x1d0 [ 38.490887] ? get_reg+0x176/0x1f0 [ 38.494415] ? deref_stack_reg+0x1d0/0x1d0 [ 38.498745] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 38.503570] ? is_bpf_text_address+0xd5/0x1b0 [ 38.508115] ? __lock_acquire+0x6de/0x3ff0 [ 38.512376] ? __lock_acquire+0x6de/0x3ff0 [ 38.516605] alloc_pages_vma+0xf2/0x780 [ 38.520568] wp_page_copy+0x219/0x2c40 [ 38.524439] ? _vm_normal_page+0x132/0x510 [ 38.528654] ? follow_pte_pmd+0x60/0x60 [ 38.532659] do_wp_page+0x2d4/0x2210 [ 38.536357] ? finish_mkwrite_fault+0x640/0x640 [ 38.541021] ? __handle_mm_fault+0x15f6/0x41c0 [ 38.545593] ? mark_held_locks+0xf0/0xf0 [ 38.549660] __handle_mm_fault+0x258b/0x41c0 [ 38.554060] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 38.558642] ? vm_insert_page+0x9c0/0x9c0 [ 38.562773] ? debug_object_active_state+0x254/0x330 [ 38.567879] ? check_preemption_disabled+0x41/0x280 [ 38.573062] handle_mm_fault+0x436/0xb10 [ 38.577134] __do_page_fault+0x68e/0xd60 [ 38.581252] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.586254] ? spurious_fault+0x840/0x840 [ 38.590384] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.595213] ? page_fault+0x8/0x30 [ 38.598737] page_fault+0x1e/0x30 [ 38.602171] RIP: 0033:0x7f0d88e822a5 [ 38.605879] 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 9c eb 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 38.624764] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 38.630109] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 38.637363] RDX: 0000000000000001 RSI: 00007f0d88f2e138 RDI: 0000000000000000 [ 38.644615] RBP: 0000000000000000 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 38.651866] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.659117] R13: 0000000000000001 R14: 431bde82d7b634db R15: 0000000000000000 [ 38.668546] syz-executor404 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 38.678703] syz-executor404 cpuset=/ mems_allowed=0-1 [ 38.684302] CPU: 1 PID: 8107 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 38.692188] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 38.701537] Call Trace: [ 38.704115] dump_stack+0x1fc/0x2ef [ 38.707738] dump_header+0x15d/0xc3f [ 38.711451] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 38.716549] ? ___ratelimit+0x319/0x590 [ 38.720614] oom_kill_process.cold+0x10/0x692 [ 38.725116] ? oom_badness.part.0+0x135/0x6e0 [ 38.729614] ? lock_downgrade+0x720/0x720 [ 38.733753] ? check_preemption_disabled+0x41/0x280 [ 38.738752] out_of_memory+0x34d/0x1390 [ 38.742710] ? lock_acquire+0x170/0x3c0 [ 38.746667] ? oom_killer_disable+0x270/0x270 [ 38.751147] ? mutex_trylock+0x15f/0x1a0 [ 38.755193] pagefault_out_of_memory+0x102/0x120 [ 38.759943] ? out_of_memory+0x1390/0x1390 [ 38.764165] ? lock_downgrade+0x720/0x720 [ 38.768298] mm_fault_error+0x106/0x390 [ 38.772256] __do_page_fault+0xc34/0xd60 [ 38.776300] ? trace_hardirqs_off_caller+0x6e/0x210 [ 38.781320] ? spurious_fault+0x840/0x840 [ 38.785498] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 38.790342] ? page_fault+0x8/0x30 [ 38.793887] page_fault+0x1e/0x30 [ 38.797328] RIP: 0033:0x7f0d88e822a5 [ 38.801026] 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 9c eb 0a 00 4c 8b 33 4d 85 f6 75 3b e9 72 01 00 00 0f 1f [ 38.819939] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 38.825305] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 38.832561] RDX: 0000000000000001 RSI: 00007f0d88f2e138 RDI: 0000000000000000 [ 38.839814] RBP: 0000000000000000 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 38.847152] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 38.854408] R13: 0000000000000001 R14: 431bde82d7b634db R15: 0000000000000000 [ 38.862668] Mem-Info: [ 38.865201] active_anon:2985 inactive_anon:4721 isolated_anon:0 [ 38.865201] active_file:5336 inactive_file:10005 isolated_file:0 [ 38.865201] unevictable:0 dirty:6009 writeback:0 unstable:0 [ 38.865201] slab_reclaimable:16092 slab_unreclaimable:112153 [ 38.865201] mapped:3836 shmem:4898 pagetables:353 bounce:0 [ 38.865201] free:1533518 free_pcp:512 free_cma:0 [ 38.899306] Node 0 active_anon:11940kB inactive_anon:18884kB active_file:21224kB inactive_file:40020kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:15344kB dirty:24032kB writeback:0kB shmem:19592kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 38.927578] 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:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 38.953483] 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 [ 38.979768] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 38.984886] Node 0 DMA32 free:2077348kB min:35996kB low:44992kB high:53988kB active_anon:11940kB inactive_anon:18884kB active_file:21224kB inactive_file:40020kB unevictable:0kB writepending:24032kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6560kB pagetables:1412kB bounce:0kB free_pcp:2044kB local_pcp:1280kB free_cma:0kB [ 39.015251] lowmem_reserve[]: 0 0 1 1 1 [ 39.019273] 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 [ 39.045256] lowmem_reserve[]: 0 0 0 0 0 [ 39.049295] Node 1 Normal free:4039456kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 39.077018] lowmem_reserve[]: 0 0 0 0 0 [ 39.081058] 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 [ 39.094754] Node 0 DMA32: 1063*4kB (UM) 130*8kB (UM) 495*16kB (UM) 184*32kB (UME) 34*64kB (UME) 7*128kB (UM) 5*256kB (UM) 2*512kB (UM) 0*1024kB 3*2048kB (UM) 500*4096kB (M) = 2078620kB [ 39.111541] 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 [ 39.122709] Node 1 Normal: 96*4kB (UE) 396*8kB (U) 288*16kB (UME) 84*32kB (UME) 27*64kB (UME) 18*128kB (UME) 11*256kB (UM) 7*512kB (UME) 2*1024kB (M) 1*2048kB (U) 980*4096kB (M) = 4039456kB [ 39.139842] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 39.148773] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.157420] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 39.166502] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 39.175139] 20250 total pagecache pages [ 39.179114] 0 pages in swap cache [ 39.182626] Swap cache stats: add 0, delete 0, find 0/0 [ 39.187996] Free swap = 0kB [ 39.190992] Total swap = 0kB [ 39.194083] 2097051 pages RAM [ 39.197189] 0 pages HighMem/MovableOnly [ 39.201139] 369649 pages reserved [ 39.204649] 0 pages cma reserved [ 39.208003] Unreclaimable slab info: [ 39.211764] Name Used Total [ 39.217347] TIPC 1KB 7KB [ 39.222800] SCTPv6 2KB 6KB [ 39.228169] DCCPv6 2KB 7KB [ 39.233613] DCCP 2KB 7KB [ 39.238990] RXRPC 1KB 6KB [ 39.244429] rxrpc_call_jar 11KB 23KB [ 39.249795] fib6_nodes 0KB 4KB [ 39.255235] ip6_dst_cache 1KB 3KB [ 39.260612] RAWv6 10KB 13KB [ 39.266048] UDPv6 13KB 15KB [ 39.271547] TCPv6 6KB 6KB [ 39.277022] nf_conntrack 18KB 26KB [ 39.282493] t10_alua_lu_gp_cache 0KB 3KB [ 39.288128] sd_ext_cdb 0KB 7KB [ 39.293577] scsi_sense_cache 1056KB 1072KB [ 39.298936] virtio_scsi_cmd 16KB 16KB [ 39.304378] sgpool-128 8KB 8KB [ 39.309742] sgpool-64 4KB 12KB [ 39.315187] sgpool-32 2KB 15KB [ 39.320545] sgpool-16 1KB 7KB [ 39.325974] sgpool-8 0KB 7KB [ 39.331412] mqueue_inode_cache 1KB 7KB [ 39.336859] bio_post_read_ctx 14KB 15KB [ 39.342335] bio-2 14KB 15KB [ 39.347693] jfs_mp 7KB 7KB [ 39.353134] cifs_small_rq 15KB 16KB [ 39.358585] cifs_request 67KB 67KB [ 39.364100] cifs_mpx_ids 0KB 7KB [ 39.369734] nfs_commit_data 3KB 14KB [ 39.375244] nfs_write_data 34KB 44KB [ 39.380617] ext4_system_zone 1KB 7KB [ 39.386054] bio-1 1KB 7KB [ 39.391497] rpc_buffers 17KB 25KB [ 39.396847] rpc_tasks 2KB 7KB [ 39.402262] UNIX 423KB 423KB [ 39.407619] tcp_bind_bucket 0KB 4KB [ 39.413040] ip_fib_trie 0KB 3KB [ 39.418394] ip_fib_alias 0KB 3KB [ 39.423809] ip_dst_cache 3KB 8KB [ 39.429178] RAW 6KB 15KB [ 39.434599] UDP 25KB 47KB [ 39.439956] request_sock_TCP 0KB 7KB [ 39.445425] TCP 5KB 5KB [ 39.450824] hugetlbfs_inode_cache 3KB 15KB [ 39.456593] fscache_cookie_jar 1KB 7KB [ 39.462109] eventpoll_pwq 56KB 99KB [ 39.467473] eventpoll_epi 79KB 145KB [ 39.472894] inotify_inode_mark 11KB 11KB [ 39.478343] request_queue 215KB 309KB [ 39.483764] blkdev_requests 1KB 3KB [ 39.489121] blkdev_ioc 19KB 19KB [ 39.494538] bio-0 119KB 191KB [ 39.499922] biovec-max 1237KB 1270KB [ 39.505496] biovec-64 37KB 70KB [ 39.510972] biovec-16 3KB 15KB [ 39.516400] bio_integrity_payload 1KB 8KB [ 39.522178] khugepaged_mm_slot 1KB 3KB [ 39.527637] uid_cache 2KB 8KB [ 39.533211] dmaengine-unmap-2 0KB 3KB [ 39.538571] skbuff_fclone_cache 416KB 416KB [ 39.544167] skbuff_head_cache 1693KB 1841KB [ 39.549518] configfs_dir_cache 3KB 7KB [ 39.555024] file_lock_cache 114KB 114KB [ 39.560390] file_lock_ctx 9KB 15KB [ 39.565813] fsnotify_mark_connector 7KB 7KB [ 39.571763] shmem_inode_cache 7840KB 7843KB [ 39.577116] task_delay_info 121KB 387KB [ 39.582526] taskstats 0KB 3KB [ 39.587882] proc_dir_entry 302KB 307KB [ 39.593295] pde_opener 44KB 77KB [ 39.598654] seq_file 388KB 834KB [ 39.604073] sigqueue 27KB 66KB [ 39.609441] kernfs_node_cache 9965KB 9969KB [ 39.614860] mnt_cache 87KB 88KB [ 39.620393] filp 10591KB 10593KB [ 39.625811] names_cache 176706KB 176727KB [ 39.631425] iint_cache 79KB 79KB [ 39.636769] key_jar 4KB 11KB [ 39.642287] nsproxy 0KB 7KB [ 39.647663] vm_area_struct 2196KB 2196KB [ 39.653093] mm_struct 268KB 396KB [ 39.658543] fs_cache 117KB 340KB [ 39.663966] files_cache 251KB 532KB [ 39.669404] signal_cache 498KB 1171KB [ 39.674818] sighand_cache 522KB 617KB [ 39.680170] task_struct 1893KB 1893KB [ 39.685732] cred_jar 949KB 1940KB [ 39.691089] anon_vma_chain 791KB 791KB [ 39.696509] anon_vma 208KB 261KB [ 39.701930] pid 85KB 320KB [ 39.707325] Acpi-Operand 158KB 202KB [ 39.712890] Acpi-ParseExt 8KB 11KB [ 39.718542] Acpi-Parse 41KB 55KB [ 39.724059] Acpi-State 52KB 74KB [ 39.729427] Acpi-Namespace 21KB 27KB [ 39.734934] numa_policy 0KB 3KB [ 39.740288] debug_objects_cache 657KB 753KB [ 39.746167] trace_event_file 297KB 298KB [ 39.751681] ftrace_event_field 398KB 401KB [ 39.757120] pool_workqueue 79KB 84KB [ 39.762536] page->ptl 216KB 375KB [ 39.767922] kmalloc-2097152 2050KB 2050KB [ 39.773342] kmalloc-524288 2056KB 2056KB [ 39.778697] kmalloc-262144 1290KB 1290KB [ 39.784134] kmalloc-131072 650KB 650KB [ 39.789486] kmalloc-65536 264KB 330KB [ 39.794912] kmalloc-32768 660KB 660KB [ 39.800264] kmalloc-16384 247KB 280KB [ 39.805691] kmalloc-8192 1130KB 1171KB [ 39.811042] kmalloc-4096 9732KB 9792KB [ 39.816560] kmalloc-2048 6455KB 6457KB [ 39.822010] kmalloc-1024 3502KB 3551KB [ 39.827356] kmalloc-512 2868KB 4143KB [ 39.832856] kmalloc-256 1967KB 2415KB [ 39.838212] kmalloc-128 474KB 500KB [ 39.843643] kmalloc-96 2611KB 2632KB [ 39.849006] kmalloc-64 2411KB 2500KB [ 39.854424] kmalloc-32 1029KB 1866KB [ 39.859785] kmalloc-192 1022KB 1840KB [ 39.865480] kmem_cache 177KB 183KB [ 39.870833] Tasks state (memory values in pages): [ 39.875728] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 39.884575] [ 4678] 0 4678 11524 1656 118784 0 0 systemd-journal [ 39.893809] [ 4705] 0 4705 10949 968 110592 0 -1000 systemd-udevd [ 39.902894] [ 6148] 100 6148 30769 999 135168 0 0 systemd-timesyn [ 39.912122] [ 6159] 0 6159 5115 277 69632 0 0 dhclient [ 39.920864] [ 7796] 0 7796 63583 893 147456 0 0 rsyslogd [ 39.929574] [ 7797] 0 7797 6999 593 102400 0 0 cron [ 39.937863] [ 7860] 0 7860 17490 1576 176128 0 -1000 sshd [ 39.946164] [ 8018] 0 8018 3221 437 69632 0 0 agetty [ 39.954626] [ 8019] 0 8019 3221 412 69632 0 0 agetty [ 39.963076] [ 8020] 0 8020 3221 429 73728 0 0 agetty [ 39.971535] [ 8021] 0 8021 3221 412 73728 0 0 agetty [ 39.979925] [ 8022] 0 8022 3221 408 77824 0 0 agetty [ 39.988480] [ 8023] 0 8023 3165 409 69632 0 0 agetty [ 39.996942] [ 8024] 0 8024 3221 408 73728 0 0 agetty [ 40.005406] [ 8077] 0 8077 17490 1625 176128 0 0 sshd [ 40.013685] [ 8079] 0 8079 4364 1 36864 0 0 syz-executor404 executing program [ 40.022923] [ 8107] 0 8107 4364 524 49152 0 1000 syz-executor404 [ 40.032186] Out of memory: Kill process 8107 (syz-executor404) score 1000 or sacrifice child [ 40.040767] Killed process 8107 (syz-executor404) total-vm:17456kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 40.051595] oom_reaper: reaped process 8107 (syz-executor404), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 40.101423] FAULT_INJECTION: forcing a failure. [ 40.101423] name failslab, interval 1, probability 0, space 0, times 0 [ 40.112968] CPU: 1 PID: 8111 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 40.120859] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 40.130201] Call Trace: [ 40.132779] dump_stack+0x1fc/0x2ef [ 40.136457] should_fail.cold+0xa/0xf [ 40.140257] ? setup_fault_attr+0x200/0x200 [ 40.144588] ? lock_acquire+0x170/0x3c0 [ 40.148553] __should_failslab+0x115/0x180 [ 40.152774] should_failslab+0x5/0x10 [ 40.156647] __kmalloc+0x2ab/0x3c0 [ 40.160177] ? kobject_get_path+0xbf/0x240 [ 40.164397] kobject_get_path+0xbf/0x240 [ 40.168444] kobject_uevent_env+0x25c/0x1480 [ 40.172858] __loop_clr_fd+0x5dd/0xe50 [ 40.176748] lo_ioctl+0x363/0x20e0 [ 40.180281] ? unwind_get_return_address+0x51/0x90 [ 40.185198] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.190629] ? __save_stack_trace+0xaf/0x190 [ 40.195019] ? loop_set_status64+0x110/0x110 [ 40.199410] blkdev_ioctl+0x5cb/0x1a80 [ 40.203289] ? blkpg_ioctl+0x9d0/0x9d0 [ 40.207159] ? trace_hardirqs_off+0x64/0x200 [ 40.211550] ? __kasan_slab_free+0x186/0x1f0 [ 40.215979] ? kfree+0xcc/0x210 [ 40.219245] ? ksys_mount+0xf4/0x130 [ 40.223155] ? __x64_sys_mount+0xba/0x150 [ 40.227297] ? do_syscall_64+0xf9/0x620 [ 40.231364] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.236712] block_ioctl+0xe9/0x130 [ 40.240316] ? blkdev_fallocate+0x3f0/0x3f0 [ 40.244649] do_vfs_ioctl+0xcdb/0x12e0 [ 40.248532] ? lock_downgrade+0x720/0x720 [ 40.252686] ? ioctl_preallocate+0x200/0x200 [ 40.257112] ? trace_hardirqs_off+0x64/0x200 [ 40.261507] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 40.266592] ? debug_check_no_obj_freed+0x201/0x490 [ 40.271686] ? kfree+0x110/0x210 [ 40.275033] ? ksys_mount+0xf4/0x130 [ 40.278738] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.283310] ksys_ioctl+0x9b/0xc0 [ 40.286748] __x64_sys_ioctl+0x6f/0xb0 [ 40.290622] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.295206] do_syscall_64+0xf9/0x620 [ 40.298996] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 40.304169] RIP: 0033:0x7f0d88ebd9a7 [ 40.307868] Code: 3c 1c 48 f7 d8 49 39 c4 72 b8 e8 64 47 02 00 85 c0 78 bd 48 83 c4 08 4c 89 e0 5b 41 5c c3 0f 1f 44 00 00 b8 10 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 40.326753] RSP: 002b:00007ffd3a753458 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 40.334448] RAX: ffffffffffffffda RBX: 0000555555c322c0 RCX: 00007f0d88ebd9a7 [ 40.341703] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000005 executing program [ 40.348969] RBP: 000000000000000d R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 40.356225] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000020000218 [ 40.363495] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 40.385239] FAULT_INJECTION: forcing a failure. [ 40.385239] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 40.397323] CPU: 1 PID: 8118 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 40.405211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 40.414574] Call Trace: [ 40.417163] dump_stack+0x1fc/0x2ef [ 40.420789] should_fail.cold+0xa/0xf [ 40.424582] ? lock_acquire+0x170/0x3c0 [ 40.428635] ? setup_fault_attr+0x200/0x200 [ 40.433084] __alloc_pages_nodemask+0x239/0x2890 [ 40.437833] ? __lock_acquire+0x6de/0x3ff0 [ 40.442060] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 40.446891] ? find_next_bit+0x105/0x130 [ 40.451045] ? __lock_acquire+0x6de/0x3ff0 [ 40.455273] alloc_pages_vma+0xf2/0x780 [ 40.459238] wp_page_copy+0x219/0x2c40 [ 40.463124] ? _vm_normal_page+0x132/0x510 [ 40.467352] ? follow_pte_pmd+0x60/0x60 [ 40.471314] do_wp_page+0x2d4/0x2210 [ 40.475012] ? finish_mkwrite_fault+0x640/0x640 [ 40.479753] ? __handle_mm_fault+0x15f6/0x41c0 [ 40.484319] ? mark_held_locks+0xf0/0xf0 [ 40.488474] __handle_mm_fault+0x258b/0x41c0 [ 40.492870] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 40.497434] ? vm_insert_page+0x9c0/0x9c0 [ 40.501565] ? debug_object_active_state+0x254/0x330 [ 40.506670] ? check_preemption_disabled+0x41/0x280 [ 40.511672] handle_mm_fault+0x436/0xb10 [ 40.515747] __do_page_fault+0x68e/0xd60 [ 40.519792] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.524793] ? spurious_fault+0x840/0x840 [ 40.528923] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.533790] ? page_fault+0x8/0x30 [ 40.537314] page_fault+0x1e/0x30 [ 40.540754] RIP: 0033:0x7f0d88e82403 [ 40.544453] Code: ff 45 31 d2 ba 01 00 00 00 be 81 00 00 00 b8 ca 00 00 00 48 8d 3d 55 ea 0a 00 0f 05 e9 28 ff ff ff 66 0f 1f 44 00 00 49 8b 06 <48> 89 03 48 85 c0 74 08 4c 89 f7 e8 fd e1 00 00 64 8b 04 25 18 00 [ 40.563337] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 40.568699] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 40.575956] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f0d88f2fb70 [ 40.583211] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.590459] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.597812] R13: 0000000000000001 R14: 00007f0d88f30e60 R15: 0000000000000001 [ 40.606074] syz-executor404 invoked oom-killer: gfp_mask=0x0(), nodemask=(null), order=0, oom_score_adj=1000 [ 40.616172] syz-executor404 cpuset=/ mems_allowed=0-1 [ 40.621805] CPU: 1 PID: 8118 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 40.629700] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 40.639064] Call Trace: [ 40.641665] dump_stack+0x1fc/0x2ef [ 40.645301] dump_header+0x15d/0xc3f [ 40.649034] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 40.654145] ? ___ratelimit+0x319/0x590 [ 40.658137] oom_kill_process.cold+0x10/0x692 [ 40.662620] ? oom_badness.part.0+0x135/0x6e0 [ 40.667099] ? lock_downgrade+0x720/0x720 [ 40.671234] ? check_preemption_disabled+0x41/0x280 [ 40.676339] out_of_memory+0x34d/0x1390 [ 40.680301] ? lock_acquire+0x170/0x3c0 [ 40.684263] ? oom_killer_disable+0x270/0x270 [ 40.688743] ? mutex_trylock+0x15f/0x1a0 [ 40.692786] pagefault_out_of_memory+0x102/0x120 [ 40.697525] ? out_of_memory+0x1390/0x1390 [ 40.701747] ? lock_downgrade+0x720/0x720 [ 40.705894] mm_fault_error+0x106/0x390 [ 40.709855] __do_page_fault+0xc34/0xd60 [ 40.713901] ? trace_hardirqs_off_caller+0x6e/0x210 [ 40.718901] ? spurious_fault+0x840/0x840 [ 40.723030] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.727860] ? page_fault+0x8/0x30 [ 40.731382] page_fault+0x1e/0x30 [ 40.734817] RIP: 0033:0x7f0d88e82403 [ 40.738543] Code: ff 45 31 d2 ba 01 00 00 00 be 81 00 00 00 b8 ca 00 00 00 48 8d 3d 55 ea 0a 00 0f 05 e9 28 ff ff ff 66 0f 1f 44 00 00 49 8b 06 <48> 89 03 48 85 c0 74 08 4c 89 f7 e8 fd e1 00 00 64 8b 04 25 18 00 [ 40.757448] RSP: 002b:00007ffd3a7535a0 EFLAGS: 00010246 [ 40.762795] RAX: 0000000000000000 RBX: 00007f0d88f2e138 RCX: 0000000000000001 [ 40.770079] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 00007f0d88f2fb70 [ 40.777427] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 40.784690] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 40.791944] R13: 0000000000000001 R14: 00007f0d88f30e60 R15: 0000000000000001 [ 40.800157] Mem-Info: [ 40.802680] active_anon:2983 inactive_anon:4721 isolated_anon:0 [ 40.802680] active_file:5336 inactive_file:10028 isolated_file:0 [ 40.802680] unevictable:0 dirty:6032 writeback:0 unstable:0 [ 40.802680] slab_reclaimable:16098 slab_unreclaimable:112584 [ 40.802680] mapped:3843 shmem:4899 pagetables:354 bounce:0 [ 40.802680] free:1532961 free_pcp:599 free_cma:0 [ 40.836563] Node 0 active_anon:11932kB inactive_anon:18884kB active_file:21224kB inactive_file:40112kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:15372kB dirty:24124kB writeback:0kB shmem:19596kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 2048kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.864965] 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:4kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 40.890816] 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 [ 40.917041] lowmem_reserve[]: 0 2693 2695 2695 2695 [ 40.922126] Node 0 DMA32 free:2077200kB min:35996kB low:44992kB high:53988kB active_anon:11932kB inactive_anon:18884kB active_file:21224kB inactive_file:40112kB unevictable:0kB writepending:24124kB present:3129332kB managed:2763452kB mlocked:0kB kernel_stack:6560kB pagetables:1416kB bounce:0kB free_pcp:2368kB local_pcp:1156kB free_cma:0kB [ 40.952320] lowmem_reserve[]: 0 0 1 1 1 [ 40.956290] 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 [ 40.982234] lowmem_reserve[]: 0 0 0 0 0 [ 40.986219] Node 1 Normal free:4039456kB min:53876kB low:67344kB high:80812kB active_anon:0kB inactive_anon:0kB active_file:120kB inactive_file:0kB unevictable:0kB writepending:4kB present:4194304kB managed:4128248kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 41.013897] lowmem_reserve[]: 0 0 0 0 0 [ 41.017886] 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 [ 41.031513] Node 0 DMA32: 936*4kB (U) 78*8kB (U) 374*16kB (UM) 200*32kB (UME) 41*64kB (UME) 7*128kB (UM) 5*256kB (UM) 2*512kB (UM) 0*1024kB 3*2048kB (UM) 500*4096kB (M) = 2076720kB [ 41.047844] 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 [ 41.058958] Node 1 Normal: 96*4kB (UE) 396*8kB (U) 288*16kB (UME) 84*32kB (UME) 27*64kB (UME) 18*128kB (UME) 11*256kB (UM) 7*512kB (UME) 2*1024kB (M) 1*2048kB (U) 980*4096kB (M) = 4039456kB [ 41.076105] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 41.085015] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.093660] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 41.102566] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 41.111199] 20262 total pagecache pages [ 41.115166] 0 pages in swap cache [ 41.118614] Swap cache stats: add 0, delete 0, find 0/0 [ 41.124108] Free swap = 0kB [ 41.127118] Total swap = 0kB [ 41.130120] 2097051 pages RAM [ 41.133284] 0 pages HighMem/MovableOnly [ 41.137248] 369649 pages reserved [ 41.140792] 0 pages cma reserved [ 41.144148] Unreclaimable slab info: [ 41.147840] Name Used Total [ 41.153512] TIPC 1KB 7KB [ 41.158876] SCTPv6 2KB 6KB [ 41.164307] DCCPv6 2KB 7KB [ 41.169663] DCCP 2KB 7KB [ 41.175115] RXRPC 1KB 6KB [ 41.180551] rxrpc_call_jar 11KB 23KB [ 41.185926] fib6_nodes 0KB 4KB [ 41.191339] ip6_dst_cache 1KB 3KB [ 41.196699] RAWv6 10KB 13KB [ 41.202114] UDPv6 13KB 15KB [ 41.207470] TCPv6 6KB 6KB [ 41.212891] nf_conntrack 18KB 26KB [ 41.218278] t10_alua_lu_gp_cache 0KB 3KB [ 41.223961] sd_ext_cdb 0KB 7KB [ 41.229316] scsi_sense_cache 1056KB 1072KB [ 41.234736] virtio_scsi_cmd 16KB 16KB [ 41.240122] sgpool-128 8KB 8KB [ 41.245555] sgpool-64 4KB 12KB [ 41.250977] sgpool-32 2KB 15KB [ 41.256323] sgpool-16 1KB 7KB [ 41.261726] sgpool-8 0KB 7KB [ 41.267093] mqueue_inode_cache 1KB 7KB [ 41.272600] bio_post_read_ctx 14KB 15KB [ 41.277994] bio-2 14KB 15KB [ 41.284086] jfs_mp 7KB 7KB [ 41.289489] cifs_small_rq 15KB 16KB [ 41.294910] cifs_request 67KB 67KB [ 41.300269] cifs_mpx_ids 0KB 7KB [ 41.305724] nfs_commit_data 3KB 14KB [ 41.311168] nfs_write_data 34KB 44KB [ 41.316535] ext4_system_zone 1KB 7KB [ 41.321963] bio-1 1KB 7KB [ 41.327324] rpc_buffers 17KB 25KB [ 41.332736] rpc_tasks 2KB 7KB [ 41.338093] UNIX 420KB 423KB [ 41.343515] tcp_bind_bucket 0KB 4KB [ 41.348887] ip_fib_trie 0KB 3KB [ 41.354310] ip_fib_alias 0KB 3KB [ 41.359673] ip_dst_cache 3KB 8KB [ 41.365111] RAW 6KB 15KB [ 41.370557] UDP 25KB 47KB [ 41.375914] request_sock_TCP 0KB 7KB [ 41.381336] TCP 5KB 5KB [ 41.386710] hugetlbfs_inode_cache 3KB 15KB [ 41.392505] fscache_cookie_jar 1KB 7KB [ 41.397951] eventpoll_pwq 53KB 99KB [ 41.403371] eventpoll_epi 75KB 145KB [ 41.408725] inotify_inode_mark 11KB 11KB [ 41.414229] request_queue 215KB 309KB [ 41.419584] blkdev_requests 1KB 3KB [ 41.425211] blkdev_ioc 19KB 19KB [ 41.430648] bio-0 119KB 191KB [ 41.436016] biovec-max 1237KB 1270KB [ 41.441460] biovec-64 37KB 70KB [ 41.446828] biovec-16 3KB 15KB [ 41.452266] bio_integrity_payload 1KB 8KB [ 41.457975] khugepaged_mm_slot 1KB 3KB [ 41.463640] uid_cache 1KB 8KB [ 41.469002] dmaengine-unmap-2 0KB 3KB [ 41.474763] skbuff_fclone_cache 418KB 420KB [ 41.480381] skbuff_head_cache 1634KB 1841KB [ 41.485998] configfs_dir_cache 3KB 7KB [ 41.491584] file_lock_cache 118KB 118KB [ 41.497058] file_lock_ctx 9KB 15KB [ 41.502485] fsnotify_mark_connector 11KB 11KB [ 41.508372] shmem_inode_cache 7860KB 7862KB [ 41.513801] task_delay_info 121KB 387KB [ 41.519161] taskstats 0KB 3KB [ 41.524586] proc_dir_entry 302KB 307KB [ 41.529959] pde_opener 44KB 77KB [ 41.535378] seq_file 357KB 811KB [ 41.540805] sigqueue 26KB 66KB [ 41.546164] kernfs_node_cache 9959KB 9969KB [ 41.551596] mnt_cache 85KB 88KB [ 41.556956] filp 10880KB 10882KB [ 41.562400] names_cache 176838KB 176859KB [ 41.567757] iint_cache 79KB 79KB [ 41.573195] key_jar 4KB 11KB [ 41.578551] nsproxy 0KB 7KB [ 41.583971] vm_area_struct 2242KB 2242KB [ 41.589330] mm_struct 268KB 396KB [ 41.594750] fs_cache 117KB 340KB [ 41.600119] files_cache 251KB 532KB [ 41.605554] signal_cache 498KB 1171KB [ 41.611053] sighand_cache 522KB 617KB [ 41.616406] task_struct 1969KB 1969KB [ 41.621828] cred_jar 1069KB 1940KB [ 41.627314] anon_vma_chain 811KB 811KB [ 41.632856] anon_vma 208KB 261KB [ 41.638230] pid 85KB 320KB [ 41.643670] Acpi-Operand 158KB 202KB [ 41.649039] Acpi-ParseExt 8KB 11KB [ 41.654467] Acpi-Parse 41KB 55KB [ 41.659831] Acpi-State 52KB 74KB [ 41.665269] Acpi-Namespace 21KB 27KB [ 41.670700] numa_policy 0KB 3KB [ 41.676051] debug_objects_cache 657KB 753KB [ 41.681686] trace_event_file 297KB 298KB [ 41.687049] ftrace_event_field 398KB 401KB [ 41.692562] pool_workqueue 79KB 84KB [ 41.697932] page->ptl 221KB 375KB [ 41.703402] kmalloc-2097152 2050KB 2050KB [ 41.708758] kmalloc-524288 2056KB 2056KB [ 41.714193] kmalloc-262144 1290KB 1290KB [ 41.719550] kmalloc-131072 650KB 650KB [ 41.724988] kmalloc-65536 264KB 330KB [ 41.730439] kmalloc-32768 660KB 660KB [ 41.735792] kmalloc-16384 247KB 280KB [ 41.741211] kmalloc-8192 1146KB 1188KB [ 41.746588] kmalloc-4096 9294KB 9354KB [ 41.752019] kmalloc-2048 6462KB 6464KB [ 41.757391] kmalloc-1024 3628KB 3677KB [ 41.762819] kmalloc-512 2767KB 4091KB [ 41.768207] kmalloc-256 1967KB 2415KB [ 41.773745] kmalloc-128 469KB 500KB [ 41.779102] kmalloc-96 2627KB 2648KB [ 41.784525] kmalloc-64 2403KB 2500KB [ 41.789887] kmalloc-32 1029KB 1866KB [ 41.795307] kmalloc-192 1022KB 1840KB [ 41.800738] kmem_cache 177KB 183KB [ 41.806091] Tasks state (memory values in pages): [ 41.811007] [ pid ] uid tgid total_vm rss pgtables_bytes swapents oom_score_adj name [ 41.819803] [ 4678] 0 4678 11524 1722 118784 0 0 systemd-journal [ 41.829063] [ 4705] 0 4705 10949 968 110592 0 -1000 systemd-udevd [ 41.838162] [ 6148] 100 6148 30769 999 135168 0 0 systemd-timesyn [ 41.847398] [ 6159] 0 6159 5115 277 69632 0 0 dhclient [ 41.856061] [ 7796] 0 7796 63583 893 147456 0 0 rsyslogd [ 41.864707] [ 7797] 0 7797 6999 593 102400 0 0 cron [ 41.873021] [ 7860] 0 7860 17490 1576 176128 0 -1000 sshd [ 41.881297] [ 8018] 0 8018 3221 437 69632 0 0 agetty [ 41.889722] [ 8019] 0 8019 3221 412 69632 0 0 agetty [ 41.898193] [ 8020] 0 8020 3221 429 73728 0 0 agetty [ 41.906672] [ 8021] 0 8021 3221 412 73728 0 0 agetty [ 41.915141] [ 8022] 0 8022 3221 408 77824 0 0 agetty [ 41.923615] [ 8023] 0 8023 3165 409 69632 0 0 agetty [ 41.932082] [ 8024] 0 8024 3221 408 73728 0 0 agetty [ 41.940546] [ 8077] 0 8077 17490 1625 176128 0 0 sshd [ 41.948781] [ 8079] 0 8079 4364 1 36864 0 0 syz-executor404 executing program [ 41.958019] [ 8118] 0 8118 4364 524 49152 0 1000 syz-executor404 [ 41.967281] Out of memory: Kill process 8118 (syz-executor404) score 1000 or sacrifice child [ 41.975944] Killed process 8118 (syz-executor404) total-vm:17456kB, anon-rss:2096kB, file-rss:0kB, shmem-rss:0kB [ 41.986948] oom_reaper: reaped process 8118 (syz-executor404), now anon-rss:0kB, file-rss:0kB, shmem-rss:0kB [ 42.012443] FAULT_INJECTION: forcing a failure. [ 42.012443] name failslab, interval 1, probability 0, space 0, times 0 [ 42.023811] CPU: 0 PID: 8123 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 42.031919] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 42.041340] Call Trace: [ 42.043914] dump_stack+0x1fc/0x2ef [ 42.047527] should_fail.cold+0xa/0xf [ 42.051312] ? setup_fault_attr+0x200/0x200 [ 42.055633] ? lock_acquire+0x170/0x3c0 [ 42.059596] __should_failslab+0x115/0x180 [ 42.063815] should_failslab+0x5/0x10 [ 42.067629] __kmalloc+0x2ab/0x3c0 [ 42.071155] ? bio_alloc_bioset+0x3d7/0x5e0 [ 42.075466] bio_alloc_bioset+0x3d7/0x5e0 [ 42.079597] ? bvec_alloc+0x2f0/0x2f0 [ 42.083378] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.088379] ? kmem_cache_alloc_trace+0x323/0x380 [ 42.093230] btrfs_alloc_device+0xcd/0x670 [ 42.097446] ? btrfs_finish_sprout+0x6c0/0x6c0 [ 42.102014] ? blkdev_put+0x85/0x520 [ 42.105708] close_fs_devices.part.0+0x263/0x8e0 [ 42.110448] btrfs_close_devices+0x95/0x1f0 [ 42.114775] btrfs_mount_root+0x10b9/0x1830 [ 42.119099] ? btrfs_decode_error+0x70/0x70 [ 42.123402] ? __mutex_unlock_slowpath+0xea/0x610 [ 42.128235] ? check_preemption_disabled+0x41/0x280 [ 42.133236] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.138235] ? pcpu_alloc+0xc9/0x1190 [ 42.142021] ? __lockdep_init_map+0x100/0x5a0 [ 42.146501] mount_fs+0xa3/0x310 [ 42.149849] vfs_kern_mount.part.0+0x68/0x470 [ 42.154332] ? kfree+0x110/0x210 [ 42.157684] vfs_kern_mount+0x3c/0x60 [ 42.161485] btrfs_mount+0x23a/0xaa0 [ 42.165197] ? btrfs_show_options+0xfd0/0xfd0 [ 42.169674] ? __mutex_unlock_slowpath+0xea/0x610 [ 42.174500] ? check_preemption_disabled+0x41/0x280 [ 42.179506] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.184531] ? pcpu_alloc+0xc9/0x1190 [ 42.188566] ? __lockdep_init_map+0x100/0x5a0 [ 42.193417] mount_fs+0xa3/0x310 [ 42.196769] vfs_kern_mount.part.0+0x68/0x470 [ 42.201253] do_mount+0x115c/0x2f50 [ 42.204867] ? cmp_ex_sort+0xc0/0xc0 [ 42.208565] ? __do_page_fault+0x180/0xd60 [ 42.212798] ? copy_mount_string+0x40/0x40 [ 42.217016] ? copy_mount_options+0x1cd/0x380 [ 42.221495] ? memset+0x20/0x40 [ 42.224758] ? copy_mount_options+0x26f/0x380 [ 42.229238] ksys_mount+0xcf/0x130 [ 42.232765] __x64_sys_mount+0xba/0x150 [ 42.236723] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.241292] do_syscall_64+0xf9/0x620 [ 42.245078] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.250246] RIP: 0033:0x7f0d88ebef2a [ 42.254701] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 42.273671] RSP: 002b:00007ffd3a753458 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 42.281378] RAX: ffffffffffffffda RBX: 00007ffd3a7534b0 RCX: 00007f0d88ebef2a [ 42.288632] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd3a753470 [ 42.295885] RBP: 00007ffd3a753470 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 42.303153] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000020000218 [ 42.310412] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.325368] ------------[ cut here ]------------ [ 42.330140] kernel BUG at fs/btrfs/volumes.c:1061! [ 42.335288] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 42.340661] CPU: 0 PID: 8123 Comm: syz-executor404 Not tainted 4.19.211-syzkaller #0 [ 42.348538] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 08/26/2022 [ 42.357883] RIP: 0010:close_fs_devices.part.0+0x6b0/0x8e0 [ 42.363400] Code: 03 0f 8e 27 01 00 00 48 8b 44 24 20 c7 80 10 01 00 00 00 00 00 00 48 83 c4 48 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 70 ad 71 fe <0f> 0b e8 69 ad 71 fe 0f 0b e8 22 8d a7 fe e9 17 fd ff ff 48 8b 7c [ 42.382301] RSP: 0018:ffff88809340f838 EFLAGS: 00010293 [ 42.387647] RAX: ffff8880932481c0 RBX: 0000000000000001 RCX: ffffffff82f0d3c5 [ 42.394899] RDX: 0000000000000000 RSI: ffffffff82f0d800 RDI: 0000000000000007 [ 42.402170] RBP: ffff8880b5402040 R08: 0000000000000000 R09: fffffffffffff000 [ 42.409420] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 42.416669] R13: fffffffffffffff4 R14: dffffc0000000000 R15: ffff8880b14e7680 [ 42.423939] FS: 0000555555c32300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 42.432146] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.438004] CR2: 00007ffd3a754000 CR3: 00000000b2925000 CR4: 00000000003406f0 [ 42.445257] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.452506] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.459765] Call Trace: [ 42.462355] btrfs_close_devices+0x95/0x1f0 [ 42.466674] btrfs_mount_root+0x10b9/0x1830 [ 42.470990] ? btrfs_decode_error+0x70/0x70 [ 42.475290] ? __mutex_unlock_slowpath+0xea/0x610 [ 42.480116] ? check_preemption_disabled+0x41/0x280 [ 42.485128] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.490126] ? pcpu_alloc+0xc9/0x1190 [ 42.493922] ? __lockdep_init_map+0x100/0x5a0 [ 42.498398] mount_fs+0xa3/0x310 [ 42.501747] vfs_kern_mount.part.0+0x68/0x470 [ 42.506238] ? kfree+0x110/0x210 [ 42.509607] vfs_kern_mount+0x3c/0x60 [ 42.513424] btrfs_mount+0x23a/0xaa0 [ 42.517143] ? btrfs_show_options+0xfd0/0xfd0 [ 42.521623] ? __mutex_unlock_slowpath+0xea/0x610 [ 42.526463] ? check_preemption_disabled+0x41/0x280 [ 42.531463] ? rcu_read_lock_sched_held+0x16c/0x1d0 [ 42.536465] ? pcpu_alloc+0xc9/0x1190 [ 42.540246] ? __lockdep_init_map+0x100/0x5a0 [ 42.544722] mount_fs+0xa3/0x310 [ 42.548069] vfs_kern_mount.part.0+0x68/0x470 [ 42.552546] do_mount+0x115c/0x2f50 [ 42.556154] ? cmp_ex_sort+0xc0/0xc0 [ 42.559850] ? __do_page_fault+0x180/0xd60 [ 42.564067] ? copy_mount_string+0x40/0x40 [ 42.568285] ? copy_mount_options+0x1cd/0x380 [ 42.572781] ? memset+0x20/0x40 [ 42.576039] ? copy_mount_options+0x26f/0x380 [ 42.580512] ksys_mount+0xcf/0x130 [ 42.584032] __x64_sys_mount+0xba/0x150 [ 42.587986] ? lockdep_hardirqs_on+0x3a8/0x5c0 [ 42.592635] do_syscall_64+0xf9/0x620 [ 42.596416] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 42.601585] RIP: 0033:0x7f0d88ebef2a [ 42.605293] Code: 48 c7 c2 c0 ff ff ff f7 d8 64 89 02 b8 ff ff ff ff eb d2 e8 a8 00 00 00 0f 1f 84 00 00 00 00 00 49 89 ca b8 a5 00 00 00 0f 05 <48> 3d 01 f0 ff ff 73 01 c3 48 c7 c1 c0 ff ff ff f7 d8 64 89 01 48 [ 42.624179] RSP: 002b:00007ffd3a753458 EFLAGS: 00000282 ORIG_RAX: 00000000000000a5 [ 42.631878] RAX: ffffffffffffffda RBX: 00007ffd3a7534b0 RCX: 00007f0d88ebef2a [ 42.639153] RDX: 0000000020000000 RSI: 0000000020000100 RDI: 00007ffd3a753470 [ 42.646407] RBP: 00007ffd3a753470 R08: 00007ffd3a7534b0 R09: 0000000000000000 [ 42.653754] R10: 0000000000000000 R11: 0000000000000282 R12: 0000000020000218 [ 42.661002] R13: 0000000000000004 R14: 0000000000000005 R15: 0000000000000001 [ 42.668255] Modules linked in: [ 42.671701] ---[ end trace 0d3ed822fd567485 ]--- [ 42.676527] RIP: 0010:close_fs_devices.part.0+0x6b0/0x8e0 [ 42.682145] Code: 03 0f 8e 27 01 00 00 48 8b 44 24 20 c7 80 10 01 00 00 00 00 00 00 48 83 c4 48 5b 5d 41 5c 41 5d 41 5e 41 5f c3 e8 70 ad 71 fe <0f> 0b e8 69 ad 71 fe 0f 0b e8 22 8d a7 fe e9 17 fd ff ff 48 8b 7c [ 42.701145] RSP: 0018:ffff88809340f838 EFLAGS: 00010293 [ 42.706527] RAX: ffff8880932481c0 RBX: 0000000000000001 RCX: ffffffff82f0d3c5 [ 42.714244] RDX: 0000000000000000 RSI: ffffffff82f0d800 RDI: 0000000000000007 [ 42.721610] RBP: ffff8880b5402040 R08: 0000000000000000 R09: fffffffffffff000 [ 42.728907] R10: 0000000000000007 R11: 0000000000000000 R12: 0000000000000000 [ 42.736251] R13: fffffffffffffff4 R14: dffffc0000000000 R15: ffff8880b14e7680 [ 42.743628] FS: 0000555555c32300(0000) GS:ffff8880ba000000(0000) knlGS:0000000000000000 [ 42.751908] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 42.757845] CR2: 00007ffd3a754000 CR3: 00000000b2925000 CR4: 00000000003406f0 [ 42.765177] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 42.772516] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 42.779843] Kernel panic - not syncing: Fatal exception [ 42.785423] Kernel Offset: disabled [ 42.789039] Rebooting in 86400 seconds..