Warning: Permanently added '10.128.0.125' (ECDSA) to the list of known hosts. syzkaller login: [ 35.045621] audit: type=1400 audit(1594255848.841:8): avc: denied { execmem } for pid=6368 comm="syz-executor309" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1 [ 35.047277] FAULT_INJECTION: forcing a failure. [ 35.047277] name failslab, interval 1, probability 0, space 0, times 1 [ 35.077477] CPU: 1 PID: 6368 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 35.085352] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.094682] Call Trace: [ 35.097259] dump_stack+0x1b2/0x283 [ 35.100864] should_fail.cold+0x10a/0x154 [ 35.104988] should_failslab+0xd6/0x130 [ 35.108950] kmem_cache_alloc+0x28e/0x3c0 [ 35.113086] copy_process.part.0+0x491a/0x6fa0 [ 35.117649] ? do_wp_page+0x24c/0x1dc0 [ 35.121601] ? __cleanup_sighand+0x40/0x40 [ 35.125812] _do_fork+0x180/0xc80 [ 35.129240] ? fork_idle+0x270/0x270 [ 35.132930] ? up_read+0x17/0x30 [ 35.136270] ? __do_page_fault+0x19a/0xb50 [ 35.140479] ? do_syscall_64+0x4c/0x640 [ 35.144431] ? sys_vfork+0x20/0x20 [ 35.147944] do_syscall_64+0x1d5/0x640 [ 35.151809] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 35.156971] RIP: 0033:0x4447fa [ 35.160134] RSP: 002b:00007fff34f94300 EFLAGS: 00000246 ORIG_RAX: 0000000000000038 [ 35.167823] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004447fa [ 35.175079] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000001200011 [ 35.182333] RBP: 00007fff34f94320 R08: 0000000000000000 R09: 00000000018a3940 [ 35.189586] R10: 00000000018a3c10 R11: 0000000000000246 R12: 0000000000000000 [ 35.196828] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 35.414608] IPVS: ftp: loaded support on port[0] = 21 executing program [ 36.271579] BTRFS: device fsid fff6f2a2-2997-48ae-b81e-1b00b10efd9a devid 0 transid 0 /dev/loop0 [ 36.284645] FAULT_INJECTION: forcing a failure. [ 36.284645] name failslab, interval 1, probability 0, space 0, times 0 [ 36.296608] CPU: 0 PID: 6402 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 36.304527] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.313875] Call Trace: [ 36.316443] dump_stack+0x1b2/0x283 [ 36.320053] should_fail.cold+0x10a/0x154 [ 36.324188] should_failslab+0xd6/0x130 [ 36.328139] kmem_cache_alloc_node_trace+0x25a/0x400 [ 36.333220] bdi_alloc_node+0x5d/0x2e0 [ 36.337113] super_setup_bdi_name+0x8b/0x220 [ 36.341509] ? kill_block_super+0xe0/0xe0 [ 36.345630] ? vsprintf+0x30/0x30 [ 36.349074] ? btrfs_parse_early_options+0x310/0x310 [ 36.354166] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 36.360998] btrfs_mount+0x1fda/0x2838 [ 36.364872] ? pcpu_find_block_fit+0x2ed/0x380 [ 36.369427] ? pcpu_alloc+0x37d/0xf70 [ 36.373205] ? btrfs_remount+0x10c0/0x10c0 [ 36.377420] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 36.382852] ? rcu_read_lock_sched_held+0x10a/0x130 [ 36.387853] ? pcpu_alloc+0xe1/0xf70 [ 36.391569] ? __lockdep_init_map+0x100/0x560 [ 36.396039] ? __lockdep_init_map+0x100/0x560 [ 36.400510] mount_fs+0x92/0x2a0 [ 36.403855] vfs_kern_mount.part.0+0x5b/0x3c0 [ 36.408323] vfs_kern_mount+0x3c/0x60 [ 36.412097] btrfs_mount+0x2a0/0x2838 [ 36.415879] ? pcpu_find_block_fit+0x2ed/0x380 [ 36.420434] ? pcpu_alloc+0x37d/0xf70 [ 36.424209] ? btrfs_remount+0x10c0/0x10c0 [ 36.428423] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 36.433850] ? rcu_read_lock_sched_held+0x10a/0x130 [ 36.438853] ? pcpu_alloc+0xe1/0xf70 [ 36.442544] ? pcpu_find_block_fit+0x380/0x380 [ 36.447119] ? __lockdep_init_map+0x100/0x560 [ 36.451591] ? __lockdep_init_map+0x100/0x560 [ 36.456064] mount_fs+0x92/0x2a0 [ 36.459408] vfs_kern_mount.part.0+0x5b/0x3c0 [ 36.463881] do_mount+0x3c9/0x25e0 [ 36.467399] ? copy_mount_string+0x40/0x40 [ 36.471631] ? memset+0x20/0x40 [ 36.474899] ? copy_mount_options+0x1ec/0x2e0 [ 36.479368] ? copy_mnt_ns+0x8a0/0x8a0 [ 36.483247] SyS_mount+0xa8/0x120 [ 36.486849] ? copy_mnt_ns+0x8a0/0x8a0 [ 36.490726] do_syscall_64+0x1d5/0x640 [ 36.494766] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 36.499930] RIP: 0033:0x44898a [ 36.503095] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 36.510777] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a executing program executing program executing program executing program [ 36.518023] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 36.525282] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 36.532539] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000000 [ 36.539782] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 36.549458] BTRFS error (device (null)): super_setup_bdi failed executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 36.724688] IPVS: ftp: loaded support on port[0] = 21 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 37.359164] FAULT_INJECTION: forcing a failure. [ 37.359164] name failslab, interval 1, probability 0, space 0, times 0 [ 37.372824] CPU: 1 PID: 6542 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 37.380714] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.390063] Call Trace: [ 37.392656] dump_stack+0x1b2/0x283 [ 37.396284] should_fail.cold+0x10a/0x154 [ 37.400434] should_failslab+0xd6/0x130 [ 37.404407] kmem_cache_alloc_trace+0x2b7/0x3f0 [ 37.409077] device_private_init+0x45/0x180 [ 37.413395] device_add+0xccd/0x13f0 [ 37.417111] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.422557] ? device_private_init+0x180/0x180 [ 37.427126] ? kfree+0x205/0x260 [ 37.430501] device_create_groups_vargs+0x1dc/0x250 [ 37.435507] device_create_vargs+0x3a/0x50 [ 37.439746] bdi_register_va.part.0+0x35/0x650 [ 37.444331] bdi_register_va+0x63/0x80 [ 37.448221] super_setup_bdi_name+0x123/0x220 [ 37.452718] ? kill_block_super+0xe0/0xe0 [ 37.456862] ? vsprintf+0x30/0x30 [ 37.460308] ? btrfs_parse_early_options+0x310/0x310 [ 37.465396] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 37.472233] btrfs_mount+0x1fda/0x2838 [ 37.476100] ? _find_next_bit+0xdb/0x100 [ 37.480138] ? pcpu_alloc+0x37d/0xf70 [ 37.483926] ? btrfs_remount+0x10c0/0x10c0 [ 37.488140] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.493589] ? rcu_read_lock_sched_held+0x10a/0x130 [ 37.498581] ? pcpu_alloc+0xe1/0xf70 [ 37.502274] ? __lockdep_init_map+0x100/0x560 [ 37.506754] ? __lockdep_init_map+0x100/0x560 [ 37.511225] mount_fs+0x92/0x2a0 [ 37.514578] vfs_kern_mount.part.0+0x5b/0x3c0 [ 37.519050] vfs_kern_mount+0x3c/0x60 [ 37.522828] btrfs_mount+0x2a0/0x2838 [ 37.526607] ? _find_next_bit+0xdb/0x100 [ 37.531687] ? pcpu_alloc+0x37d/0xf70 [ 37.535465] ? btrfs_remount+0x10c0/0x10c0 [ 37.539693] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.545131] ? rcu_read_lock_sched_held+0x10a/0x130 [ 37.550122] ? pcpu_alloc+0xe1/0xf70 [ 37.553816] ? pcpu_find_block_fit+0x380/0x380 [ 37.558374] ? __lockdep_init_map+0x100/0x560 [ 37.562875] ? __lockdep_init_map+0x100/0x560 [ 37.567351] mount_fs+0x92/0x2a0 [ 37.570710] vfs_kern_mount.part.0+0x5b/0x3c0 [ 37.575199] do_mount+0x3c9/0x25e0 [ 37.578717] ? copy_mount_string+0x40/0x40 [ 37.582931] ? memset+0x20/0x40 [ 37.586184] ? copy_mount_options+0x1ec/0x2e0 [ 37.590653] ? copy_mnt_ns+0x8a0/0x8a0 [ 37.594523] SyS_mount+0xa8/0x120 [ 37.597963] ? copy_mnt_ns+0x8a0/0x8a0 [ 37.601826] do_syscall_64+0x1d5/0x640 [ 37.605706] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.610957] RIP: 0033:0x44898a [ 37.614134] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 37.621828] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 37.629085] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 37.636334] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 37.643598] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000000 [ 37.650854] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 executing program executing program [ 37.659676] BTRFS error (device (null)): super_setup_bdi failed executing program executing program executing program [ 37.721532] FAULT_INJECTION: forcing a failure. [ 37.721532] name failslab, interval 1, probability 0, space 0, times 0 [ 37.733779] CPU: 1 PID: 6557 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 37.741667] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 37.751038] Call Trace: [ 37.753628] dump_stack+0x1b2/0x283 [ 37.757284] should_fail.cold+0x10a/0x154 [ 37.761471] should_failslab+0xd6/0x130 [ 37.765445] kmem_cache_alloc+0x28e/0x3c0 [ 37.769600] __kernfs_new_node+0x6f/0x470 [ 37.773745] kernfs_new_node+0x7b/0xe0 [ 37.777670] kernfs_create_dir_ns+0x3c/0x130 [ 37.782059] sysfs_create_dir_ns+0xb7/0x1d0 [ 37.786359] kobject_add_internal+0x27f/0x830 [ 37.790835] kobject_add+0x11f/0x180 [ 37.794538] ? kset_create_and_add+0x190/0x190 [ 37.799111] device_add+0x361/0x13f0 [ 37.802809] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.808263] ? device_private_init+0x180/0x180 [ 37.812822] ? kfree+0x205/0x260 [ 37.816175] device_create_groups_vargs+0x1dc/0x250 [ 37.821183] device_create_vargs+0x3a/0x50 [ 37.825399] bdi_register_va.part.0+0x35/0x650 [ 37.829957] bdi_register_va+0x63/0x80 [ 37.833824] super_setup_bdi_name+0x123/0x220 [ 37.838307] ? kill_block_super+0xe0/0xe0 [ 37.842439] ? vsprintf+0x30/0x30 [ 37.845868] ? btrfs_parse_early_options+0x310/0x310 [ 37.850948] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 37.858026] btrfs_mount+0x1fda/0x2838 [ 37.861907] ? _find_next_bit+0xdb/0x100 [ 37.865957] ? pcpu_alloc+0x37d/0xf70 [ 37.869736] ? btrfs_remount+0x10c0/0x10c0 [ 37.873954] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.879396] ? rcu_read_lock_sched_held+0x10a/0x130 [ 37.884397] ? pcpu_alloc+0xe1/0xf70 [ 37.888107] ? __lockdep_init_map+0x100/0x560 [ 37.892590] ? __lockdep_init_map+0x100/0x560 [ 37.897063] mount_fs+0x92/0x2a0 [ 37.900407] vfs_kern_mount.part.0+0x5b/0x3c0 [ 37.904884] vfs_kern_mount+0x3c/0x60 [ 37.908670] btrfs_mount+0x2a0/0x2838 [ 37.912448] ? _find_next_bit+0xdb/0x100 [ 37.916486] ? pcpu_alloc+0x37d/0xf70 [ 37.920264] ? btrfs_remount+0x10c0/0x10c0 [ 37.924479] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 37.929918] ? rcu_read_lock_sched_held+0x10a/0x130 [ 37.934917] ? pcpu_alloc+0xe1/0xf70 [ 37.938657] ? pcpu_find_block_fit+0x380/0x380 [ 37.943217] ? __lockdep_init_map+0x100/0x560 [ 37.947686] ? __lockdep_init_map+0x100/0x560 [ 37.952191] mount_fs+0x92/0x2a0 [ 37.955537] vfs_kern_mount.part.0+0x5b/0x3c0 [ 37.960011] do_mount+0x3c9/0x25e0 [ 37.963543] ? copy_mount_string+0x40/0x40 [ 37.967757] ? memset+0x20/0x40 [ 37.971011] ? copy_mount_options+0x1ec/0x2e0 [ 37.975480] ? copy_mnt_ns+0x8a0/0x8a0 [ 37.979340] SyS_mount+0xa8/0x120 [ 37.982770] ? copy_mnt_ns+0x8a0/0x8a0 [ 37.986646] do_syscall_64+0x1d5/0x640 [ 37.990510] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 37.995682] RIP: 0033:0x44898a [ 37.998846] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 38.006550] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 38.013803] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 executing program [ 38.021081] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 38.028358] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000001 [ 38.035608] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 38.047881] kobject_add_internal failed for btrfs-3 (error: -12 parent: bdi) [ 38.055335] BTRFS error (device (null)): super_setup_bdi failed executing program executing program executing program executing program executing program [ 38.093582] IPVS: ftp: loaded support on port[0] = 21 executing program [ 38.137665] FAULT_INJECTION: forcing a failure. [ 38.137665] name failslab, interval 1, probability 0, space 0, times 0 [ 38.158057] CPU: 1 PID: 6571 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 38.165948] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.175295] Call Trace: [ 38.177911] dump_stack+0x1b2/0x283 [ 38.181564] should_fail.cold+0x10a/0x154 executing program [ 38.185712] should_failslab+0xd6/0x130 [ 38.189686] kmem_cache_alloc+0x28e/0x3c0 [ 38.193833] __kernfs_new_node+0x6f/0x470 [ 38.197978] kernfs_new_node+0x7b/0xe0 [ 38.201862] kernfs_create_link+0x27/0x160 [ 38.206278] sysfs_do_create_link_sd.isra.0+0x8b/0x110 [ 38.211557] sysfs_create_link+0x61/0xc0 [ 38.215618] device_add+0x705/0x13f0 [ 38.219337] ? device_private_init+0x180/0x180 [ 38.223917] ? kfree+0x205/0x260 [ 38.227316] device_create_groups_vargs+0x1dc/0x250 [ 38.232348] device_create_vargs+0x3a/0x50 [ 38.236577] bdi_register_va.part.0+0x35/0x650 [ 38.241140] bdi_register_va+0x63/0x80 [ 38.245036] super_setup_bdi_name+0x123/0x220 [ 38.249508] ? kill_block_super+0xe0/0xe0 [ 38.253631] ? vsprintf+0x30/0x30 [ 38.257088] ? btrfs_parse_early_options+0x310/0x310 [ 38.262170] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 38.269000] btrfs_mount+0x1fda/0x2838 [ 38.272866] ? _find_next_bit+0xdb/0x100 [ 38.276908] ? pcpu_alloc+0x37d/0xf70 [ 38.280685] ? btrfs_remount+0x10c0/0x10c0 [ 38.284902] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 38.290331] ? rcu_read_lock_sched_held+0x10a/0x130 [ 38.295337] ? pcpu_alloc+0xe1/0xf70 [ 38.299028] ? __lockdep_init_map+0x100/0x560 [ 38.303514] ? __lockdep_init_map+0x100/0x560 [ 38.307989] mount_fs+0x92/0x2a0 [ 38.311337] vfs_kern_mount.part.0+0x5b/0x3c0 [ 38.315808] vfs_kern_mount+0x3c/0x60 [ 38.319626] btrfs_mount+0x2a0/0x2838 [ 38.323407] ? _find_next_bit+0xdb/0x100 [ 38.327445] ? pcpu_alloc+0x37d/0xf70 [ 38.331222] ? btrfs_remount+0x10c0/0x10c0 [ 38.335441] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 38.340864] ? rcu_read_lock_sched_held+0x10a/0x130 [ 38.345868] ? pcpu_alloc+0xe1/0xf70 [ 38.349587] ? pcpu_find_block_fit+0x380/0x380 [ 38.354154] ? __lockdep_init_map+0x100/0x560 [ 38.358623] ? __lockdep_init_map+0x100/0x560 [ 38.363103] mount_fs+0x92/0x2a0 [ 38.366457] vfs_kern_mount.part.0+0x5b/0x3c0 [ 38.370938] do_mount+0x3c9/0x25e0 [ 38.374454] ? copy_mount_string+0x40/0x40 [ 38.378666] ? memset+0x20/0x40 [ 38.381921] ? copy_mount_options+0x1ec/0x2e0 [ 38.386420] ? copy_mnt_ns+0x8a0/0x8a0 [ 38.390280] SyS_mount+0xa8/0x120 [ 38.393706] ? copy_mnt_ns+0x8a0/0x8a0 [ 38.397580] do_syscall_64+0x1d5/0x640 [ 38.401446] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.406608] RIP: 0033:0x44898a [ 38.409771] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 38.417452] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 38.424706] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 38.431948] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 executing program executing program executing program [ 38.439189] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000002 [ 38.446434] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 38.458330] BTRFS error (device (null)): super_setup_bdi failed executing program executing program [ 38.513026] FAULT_INJECTION: forcing a failure. [ 38.513026] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 38.524850] CPU: 1 PID: 6592 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 38.532725] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.542072] Call Trace: [ 38.544661] dump_stack+0x1b2/0x283 [ 38.548294] should_fail.cold+0x10a/0x154 [ 38.552444] __alloc_pages_nodemask+0x22b/0x2730 [ 38.557212] ? __lock_acquire+0x655/0x42a0 [ 38.561444] ? trace_hardirqs_on+0x10/0x10 [ 38.565681] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 38.570525] ? trace_hardirqs_on+0x10/0x10 [ 38.574762] ? trace_hardirqs_on+0x10/0x10 [ 38.578996] ? mark_held_locks+0xa6/0xf0 [ 38.583081] ? _raw_spin_unlock_irqrestore+0x79/0xe0 [ 38.588184] cache_grow_begin+0x91/0x410 [ 38.592244] cache_alloc_refill+0x28c/0x360 [ 38.596578] kmem_cache_alloc_trace+0x35b/0x3f0 [ 38.601246] device_create_groups_vargs+0x7b/0x250 [ 38.606180] device_create_vargs+0x3a/0x50 [ 38.610424] bdi_register_va.part.0+0x35/0x650 [ 38.615005] bdi_register_va+0x63/0x80 [ 38.618897] super_setup_bdi_name+0x123/0x220 [ 38.623401] ? kill_block_super+0xe0/0xe0 [ 38.627547] ? vsprintf+0x30/0x30 [ 38.630999] ? btrfs_parse_early_options+0x310/0x310 [ 38.636107] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 38.642951] btrfs_mount+0x1fda/0x2838 [ 38.646841] ? _find_next_bit+0xdb/0x100 [ 38.650900] ? pcpu_alloc+0x37d/0xf70 [ 38.654699] ? btrfs_remount+0x10c0/0x10c0 [ 38.658940] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 38.664398] ? rcu_read_lock_sched_held+0x10a/0x130 [ 38.669415] ? pcpu_alloc+0xe1/0xf70 [ 38.673132] ? __lockdep_init_map+0x100/0x560 [ 38.677622] ? __lockdep_init_map+0x100/0x560 [ 38.682122] mount_fs+0x92/0x2a0 [ 38.685491] vfs_kern_mount.part.0+0x5b/0x3c0 [ 38.689987] vfs_kern_mount+0x3c/0x60 [ 38.693786] btrfs_mount+0x2a0/0x2838 [ 38.697606] ? _find_next_bit+0xdb/0x100 [ 38.701661] ? pcpu_alloc+0x37d/0xf70 [ 38.705460] ? btrfs_remount+0x10c0/0x10c0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 38.709700] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 38.715153] ? rcu_read_lock_sched_held+0x10a/0x130 [ 38.720172] ? pcpu_alloc+0xe1/0xf70 [ 38.723910] ? pcpu_find_block_fit+0x380/0x380 [ 38.728492] ? __lockdep_init_map+0x100/0x560 [ 38.732986] ? __lockdep_init_map+0x100/0x560 [ 38.737481] mount_fs+0x92/0x2a0 [ 38.740848] vfs_kern_mount.part.0+0x5b/0x3c0 [ 38.745343] do_mount+0x3c9/0x25e0 [ 38.748891] ? copy_mount_string+0x40/0x40 [ 38.753137] ? memset+0x20/0x40 [ 38.756424] ? copy_mount_options+0x1ec/0x2e0 [ 38.760914] ? copy_mnt_ns+0x8a0/0x8a0 [ 38.764802] SyS_mount+0xa8/0x120 [ 38.768251] ? copy_mnt_ns+0x8a0/0x8a0 [ 38.772138] do_syscall_64+0x1d5/0x640 [ 38.776030] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 38.781211] RIP: 0033:0x44898a [ 38.784401] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 38.792115] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 38.799387] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 38.806654] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program [ 38.813919] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000003 [ 38.821209] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 executing program executing program executing program executing program executing program executing program executing program executing program [ 38.920341] BTRFS error (device loop0): superblock checksum mismatch executing program executing program executing program executing program executing program [ 38.961644] BTRFS error (device loop0): open_ctree failed executing program executing program [ 39.015109] FAULT_INJECTION: forcing a failure. [ 39.015109] name failslab, interval 1, probability 0, space 0, times 0 [ 39.032975] CPU: 1 PID: 6647 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 39.040876] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.050229] Call Trace: [ 39.052817] dump_stack+0x1b2/0x283 [ 39.056447] should_fail.cold+0x10a/0x154 [ 39.060601] should_failslab+0xd6/0x130 [ 39.064577] kmem_cache_alloc_trace+0x2b7/0x3f0 [ 39.069251] wb_congested_get_create+0x15b/0x360 [ 39.074042] wb_init+0x4f6/0x7c0 [ 39.077447] ? __raw_spin_lock_init+0x28/0x100 [ 39.082029] cgwb_bdi_init+0xe2/0x1e0 [ 39.085827] bdi_alloc_node+0x224/0x2e0 [ 39.089856] super_setup_bdi_name+0x8b/0x220 [ 39.094242] ? kill_block_super+0xe0/0xe0 [ 39.098381] ? vsprintf+0x30/0x30 [ 39.101813] ? btrfs_parse_early_options+0x310/0x310 [ 39.106931] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 39.113748] btrfs_mount+0x1fda/0x2838 [ 39.117613] ? _find_next_bit+0xdb/0x100 [ 39.121668] ? pcpu_alloc+0x37d/0xf70 [ 39.125458] ? btrfs_remount+0x10c0/0x10c0 [ 39.129673] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.135101] ? rcu_read_lock_sched_held+0x10a/0x130 [ 39.140103] ? pcpu_alloc+0xe1/0xf70 [ 39.143818] ? __lockdep_init_map+0x100/0x560 [ 39.148292] ? __lockdep_init_map+0x100/0x560 [ 39.152768] mount_fs+0x92/0x2a0 [ 39.156116] vfs_kern_mount.part.0+0x5b/0x3c0 [ 39.161061] vfs_kern_mount+0x3c/0x60 [ 39.164870] btrfs_mount+0x2a0/0x2838 [ 39.168736] ? _find_next_bit+0xdb/0x100 [ 39.172862] ? pcpu_alloc+0x37d/0xf70 [ 39.176638] ? btrfs_remount+0x10c0/0x10c0 [ 39.180868] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.186292] ? rcu_read_lock_sched_held+0x10a/0x130 [ 39.191282] ? pcpu_alloc+0xe1/0xf70 [ 39.194974] ? pcpu_find_block_fit+0x380/0x380 [ 39.199530] ? __lockdep_init_map+0x100/0x560 [ 39.204008] ? __lockdep_init_map+0x100/0x560 [ 39.208487] mount_fs+0x92/0x2a0 [ 39.211845] vfs_kern_mount.part.0+0x5b/0x3c0 [ 39.216316] do_mount+0x3c9/0x25e0 [ 39.219831] ? copy_mount_string+0x40/0x40 [ 39.224042] ? memset+0x20/0x40 [ 39.227297] ? copy_mount_options+0x1ec/0x2e0 [ 39.231788] ? copy_mnt_ns+0x8a0/0x8a0 [ 39.235649] SyS_mount+0xa8/0x120 [ 39.239249] ? copy_mnt_ns+0x8a0/0x8a0 [ 39.243112] do_syscall_64+0x1d5/0x640 [ 39.246979] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.252142] RIP: 0033:0x44898a [ 39.255304] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 executing program executing program executing program executing program [ 39.262984] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 39.270229] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 39.277490] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 39.284750] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000004 [ 39.291995] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 39.300538] BTRFS error (device (null)): super_setup_bdi failed executing program executing program [ 39.356714] FAULT_INJECTION: forcing a failure. [ 39.356714] name fail_page_alloc, interval 1, probability 0, space 0, times 0 [ 39.368530] CPU: 0 PID: 6662 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 39.376393] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.385734] Call Trace: [ 39.388314] dump_stack+0x1b2/0x283 [ 39.391936] should_fail.cold+0x10a/0x154 [ 39.396090] __alloc_pages_nodemask+0x22b/0x2730 [ 39.400846] ? depot_save_stack+0x10d/0x401 [ 39.405174] ? string+0x17e/0x1d0 [ 39.408625] ? gfp_pfmemalloc_allowed+0x150/0x150 [ 39.413464] ? trace_hardirqs_on+0x10/0x10 [ 39.417690] ? pointer+0x340/0xa00 [ 39.421214] ? netdev_bits+0xa0/0xa0 [ 39.424932] ? format_decode+0x1cb/0x8c0 [ 39.428991] cache_grow_begin+0x91/0x410 [ 39.433051] cache_alloc_refill+0x28c/0x360 [ 39.437378] kmem_cache_alloc_node_trace+0x3e5/0x400 [ 39.442489] bdi_alloc_node+0x5d/0x2e0 [ 39.446375] super_setup_bdi_name+0x8b/0x220 [ 39.450785] ? kill_block_super+0xe0/0xe0 [ 39.454935] ? vsprintf+0x30/0x30 [ 39.458391] ? btrfs_parse_early_options+0x310/0x310 [ 39.463496] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 39.470341] btrfs_mount+0x1fda/0x2838 [ 39.474241] ? _find_next_bit+0xdb/0x100 [ 39.478301] ? pcpu_alloc+0x37d/0xf70 [ 39.482103] ? btrfs_remount+0x10c0/0x10c0 [ 39.486340] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.491786] ? rcu_read_lock_sched_held+0x10a/0x130 [ 39.496799] ? pcpu_alloc+0xe1/0xf70 [ 39.500519] ? __lockdep_init_map+0x100/0x560 [ 39.505030] ? __lockdep_init_map+0x100/0x560 [ 39.509527] mount_fs+0x92/0x2a0 [ 39.512896] vfs_kern_mount.part.0+0x5b/0x3c0 [ 39.517397] vfs_kern_mount+0x3c/0x60 [ 39.521199] btrfs_mount+0x2a0/0x2838 [ 39.524999] ? _find_next_bit+0xdb/0x100 [ 39.529058] ? pcpu_alloc+0x37d/0xf70 [ 39.532856] ? btrfs_remount+0x10c0/0x10c0 [ 39.537268] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.542715] ? rcu_read_lock_sched_held+0x10a/0x130 [ 39.547728] ? pcpu_alloc+0xe1/0xf70 [ 39.551447] ? pcpu_find_block_fit+0x380/0x380 [ 39.556026] ? __lockdep_init_map+0x100/0x560 [ 39.560519] ? __lockdep_init_map+0x100/0x560 [ 39.565017] mount_fs+0x92/0x2a0 [ 39.568384] vfs_kern_mount.part.0+0x5b/0x3c0 [ 39.572876] do_mount+0x3c9/0x25e0 [ 39.576447] ? copy_mount_string+0x40/0x40 [ 39.580684] ? memset+0x20/0x40 [ 39.583963] ? copy_mount_options+0x1ec/0x2e0 [ 39.588457] ? copy_mnt_ns+0x8a0/0x8a0 [ 39.592343] SyS_mount+0xa8/0x120 [ 39.595797] ? copy_mnt_ns+0x8a0/0x8a0 [ 39.599689] do_syscall_64+0x1d5/0x640 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 39.603580] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 39.608766] RIP: 0033:0x44898a [ 39.611949] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 39.619661] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 39.626934] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 39.634198] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 39.641468] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000005 [ 39.648733] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 executing program executing program [ 39.688326] BTRFS error (device loop0): superblock checksum mismatch executing program executing program executing program executing program [ 39.730789] BTRFS error (device loop0): open_ctree failed executing program [ 39.774469] FAULT_INJECTION: forcing a failure. [ 39.774469] name failslab, interval 1, probability 0, space 0, times 0 [ 39.798880] CPU: 1 PID: 6716 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 39.806782] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.816137] Call Trace: [ 39.818725] dump_stack+0x1b2/0x283 executing program [ 39.822376] should_fail.cold+0x10a/0x154 [ 39.826534] should_failslab+0xd6/0x130 [ 39.830510] kmem_cache_alloc_trace+0x2b7/0x3f0 [ 39.835180] wb_congested_get_create+0x15b/0x360 [ 39.839938] wb_init+0x4f6/0x7c0 [ 39.843304] ? __raw_spin_lock_init+0x28/0x100 [ 39.847877] cgwb_bdi_init+0xe2/0x1e0 [ 39.851673] bdi_alloc_node+0x224/0x2e0 [ 39.855630] super_setup_bdi_name+0x8b/0x220 [ 39.860013] ? kill_block_super+0xe0/0xe0 [ 39.864134] ? vsprintf+0x30/0x30 [ 39.867565] ? btrfs_parse_early_options+0x310/0x310 [ 39.872659] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 39.879483] btrfs_mount+0x1fda/0x2838 [ 39.883349] ? _find_next_bit+0xdb/0x100 [ 39.887384] ? pcpu_alloc+0x37d/0xf70 [ 39.891172] ? btrfs_remount+0x10c0/0x10c0 [ 39.895386] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.900813] ? rcu_read_lock_sched_held+0x10a/0x130 [ 39.905806] ? pcpu_alloc+0xe1/0xf70 [ 39.909497] ? __lockdep_init_map+0x100/0x560 [ 39.913967] ? __lockdep_init_map+0x100/0x560 [ 39.918437] mount_fs+0x92/0x2a0 [ 39.921797] vfs_kern_mount.part.0+0x5b/0x3c0 [ 39.926283] vfs_kern_mount+0x3c/0x60 [ 39.930064] btrfs_mount+0x2a0/0x2838 [ 39.933853] ? _find_next_bit+0xdb/0x100 [ 39.937895] ? pcpu_alloc+0x37d/0xf70 [ 39.941679] ? btrfs_remount+0x10c0/0x10c0 [ 39.945923] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 39.951351] ? rcu_read_lock_sched_held+0x10a/0x130 [ 39.956344] ? pcpu_alloc+0xe1/0xf70 [ 39.960036] ? pcpu_find_block_fit+0x380/0x380 [ 39.964596] ? __lockdep_init_map+0x100/0x560 [ 39.969074] ? __lockdep_init_map+0x100/0x560 [ 39.973546] mount_fs+0x92/0x2a0 [ 39.976891] vfs_kern_mount.part.0+0x5b/0x3c0 [ 39.981363] do_mount+0x3c9/0x25e0 [ 39.984882] ? copy_mount_string+0x40/0x40 [ 39.989094] ? memset+0x20/0x40 [ 39.992360] ? copy_mount_options+0x1ec/0x2e0 [ 39.996839] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.000702] SyS_mount+0xa8/0x120 [ 40.004128] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.007989] do_syscall_64+0x1d5/0x640 [ 40.011856] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.017020] RIP: 0033:0x44898a executing program [ 40.020195] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 40.027878] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 40.035136] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 40.042387] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 40.049644] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000006 [ 40.056903] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 40.066217] BTRFS error (device (null)): super_setup_bdi failed executing program executing program executing program executing program executing program [ 40.129758] FAULT_INJECTION: forcing a failure. [ 40.129758] name failslab, interval 1, probability 0, space 0, times 0 [ 40.151035] CPU: 1 PID: 6731 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 40.158924] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.168274] Call Trace: [ 40.170860] dump_stack+0x1b2/0x283 [ 40.174491] should_fail.cold+0x10a/0x154 [ 40.178638] should_failslab+0xd6/0x130 [ 40.182606] kmem_cache_alloc_node_trace+0x25a/0x400 [ 40.187712] bdi_alloc_node+0x5d/0x2e0 [ 40.191601] super_setup_bdi_name+0x8b/0x220 [ 40.196007] ? kill_block_super+0xe0/0xe0 [ 40.200151] ? vsprintf+0x30/0x30 [ 40.203605] ? btrfs_parse_early_options+0x310/0x310 [ 40.208731] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 40.215570] btrfs_mount+0x1fda/0x2838 [ 40.219493] ? pcpu_find_block_fit+0x2ed/0x380 [ 40.224073] ? pcpu_alloc+0x37d/0xf70 executing program [ 40.227871] ? btrfs_remount+0x10c0/0x10c0 [ 40.232151] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.237601] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.242614] ? pcpu_alloc+0xe1/0xf70 [ 40.246333] ? __lockdep_init_map+0x100/0x560 [ 40.250822] ? __lockdep_init_map+0x100/0x560 [ 40.255319] mount_fs+0x92/0x2a0 [ 40.258689] vfs_kern_mount.part.0+0x5b/0x3c0 [ 40.263185] vfs_kern_mount+0x3c/0x60 [ 40.266982] btrfs_mount+0x2a0/0x2838 [ 40.270786] ? pcpu_find_block_fit+0x2ed/0x380 [ 40.275368] ? pcpu_alloc+0x37d/0xf70 [ 40.279167] ? btrfs_remount+0x10c0/0x10c0 [ 40.283395] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.288825] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.293829] ? pcpu_alloc+0xe1/0xf70 [ 40.297534] ? pcpu_find_block_fit+0x380/0x380 [ 40.302095] ? __lockdep_init_map+0x100/0x560 [ 40.306569] ? __lockdep_init_map+0x100/0x560 [ 40.311044] mount_fs+0x92/0x2a0 [ 40.314390] vfs_kern_mount.part.0+0x5b/0x3c0 [ 40.318865] do_mount+0x3c9/0x25e0 [ 40.322392] ? copy_mount_string+0x40/0x40 [ 40.326639] ? memset+0x20/0x40 [ 40.329899] ? copy_mount_options+0x1ec/0x2e0 [ 40.334371] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.338245] SyS_mount+0xa8/0x120 [ 40.341719] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.345589] do_syscall_64+0x1d5/0x640 [ 40.349462] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.354637] RIP: 0033:0x44898a [ 40.357805] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 40.365488] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 40.372735] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 executing program executing program [ 40.379982] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 40.387228] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000007 [ 40.394497] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 40.410844] BTRFS error (device (null)): super_setup_bdi failed [ 40.417081] FAULT_INJECTION: forcing a failure. [ 40.417081] name failslab, interval 1, probability 0, space 0, times 0 [ 40.441083] CPU: 0 PID: 6757 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 40.449017] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.458354] Call Trace: [ 40.460934] dump_stack+0x1b2/0x283 [ 40.464571] should_fail.cold+0x10a/0x154 [ 40.468718] should_failslab+0xd6/0x130 [ 40.472684] kmem_cache_alloc_node_trace+0x25a/0x400 [ 40.477779] bdi_alloc_node+0x5d/0x2e0 [ 40.481668] super_setup_bdi_name+0x8b/0x220 [ 40.486077] ? kill_block_super+0xe0/0xe0 [ 40.490226] ? vsprintf+0x30/0x30 [ 40.493679] ? btrfs_parse_early_options+0x310/0x310 [ 40.498794] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 40.505636] btrfs_mount+0x1fda/0x2838 [ 40.509527] ? _find_next_bit+0xdb/0x100 [ 40.513586] ? pcpu_alloc+0x37d/0xf70 [ 40.517384] ? btrfs_remount+0x10c0/0x10c0 [ 40.521620] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.527056] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.532078] ? pcpu_alloc+0xe1/0xf70 [ 40.535833] ? __lockdep_init_map+0x100/0x560 [ 40.540329] ? __lockdep_init_map+0x100/0x560 [ 40.544810] mount_fs+0x92/0x2a0 [ 40.548163] vfs_kern_mount.part.0+0x5b/0x3c0 [ 40.552650] vfs_kern_mount+0x3c/0x60 [ 40.556446] btrfs_mount+0x2a0/0x2838 [ 40.560247] ? _find_next_bit+0xdb/0x100 [ 40.564292] ? pcpu_alloc+0x37d/0xf70 [ 40.568075] ? btrfs_remount+0x10c0/0x10c0 [ 40.572301] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 40.577737] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.582738] ? pcpu_alloc+0xe1/0xf70 [ 40.586444] ? pcpu_find_block_fit+0x380/0x380 [ 40.591029] ? __lockdep_init_map+0x100/0x560 [ 40.595509] ? __lockdep_init_map+0x100/0x560 [ 40.600008] mount_fs+0x92/0x2a0 [ 40.603369] vfs_kern_mount.part.0+0x5b/0x3c0 [ 40.607862] do_mount+0x3c9/0x25e0 [ 40.611413] ? copy_mount_string+0x40/0x40 [ 40.615639] ? memset+0x20/0x40 [ 40.618902] ? copy_mount_options+0x1ec/0x2e0 [ 40.623383] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.627270] SyS_mount+0xa8/0x120 [ 40.630709] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.634598] do_syscall_64+0x1d5/0x640 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 40.638491] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.643665] RIP: 0033:0x44898a [ 40.646836] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 40.654533] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 40.661789] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 40.669041] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 40.676382] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000000 [ 40.683636] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 executing program executing program executing program executing program executing program [ 40.706514] BTRFS error (device (null)): super_setup_bdi failed [ 40.742720] print_req_error: I/O error, dev loop5, sector 0 [ 40.748258] FAULT_INJECTION: forcing a failure. executing program executing program executing program executing program [ 40.748258] name failslab, interval 1, probability 0, space 0, times 0 [ 40.784788] CPU: 0 PID: 6783 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 40.792708] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.802086] Call Trace: [ 40.804677] dump_stack+0x1b2/0x283 [ 40.808310] should_fail.cold+0x10a/0x154 [ 40.812463] should_failslab+0xd6/0x130 [ 40.816437] __kmalloc+0x2c1/0x400 [ 40.819976] ? register_shrinker+0x1ab/0x220 [ 40.824391] register_shrinker+0x1ab/0x220 [ 40.828635] sget_userns+0x9c5/0xc30 [ 40.832351] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 40.839193] ? btrfs_parse_early_options+0x310/0x310 [ 40.844300] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 40.851137] ? btrfs_parse_early_options+0x310/0x310 [ 40.856243] sget+0xd1/0x110 [ 40.859265] btrfs_mount+0x113c/0x2838 [ 40.863159] ? pcpu_find_block_fit+0x2ed/0x380 [ 40.867750] ? pcpu_alloc+0x37d/0xf70 [ 40.871552] ? btrfs_remount+0x10c0/0x10c0 [ 40.875811] ? rcu_lockdep_current_cpu_online+0xed/0x140 executing program executing program executing program [ 40.881257] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.886256] ? pcpu_alloc+0xe1/0xf70 [ 40.889964] ? __lockdep_init_map+0x100/0x560 [ 40.894457] ? __lockdep_init_map+0x100/0x560 [ 40.898960] mount_fs+0x92/0x2a0 [ 40.902328] vfs_kern_mount.part.0+0x5b/0x3c0 [ 40.906826] vfs_kern_mount+0x3c/0x60 [ 40.910627] btrfs_mount+0x2a0/0x2838 [ 40.914433] ? pcpu_find_block_fit+0x2ed/0x380 [ 40.919016] ? pcpu_alloc+0x37d/0xf70 [ 40.922817] ? btrfs_remount+0x10c0/0x10c0 [ 40.927060] ? rcu_lockdep_current_cpu_online+0xed/0x140 executing program [ 40.932510] ? rcu_read_lock_sched_held+0x10a/0x130 [ 40.937524] ? pcpu_alloc+0xe1/0xf70 [ 40.941242] ? pcpu_find_block_fit+0x380/0x380 [ 40.945825] ? __lockdep_init_map+0x100/0x560 [ 40.950321] ? __lockdep_init_map+0x100/0x560 [ 40.954817] mount_fs+0x92/0x2a0 [ 40.958190] vfs_kern_mount.part.0+0x5b/0x3c0 [ 40.962688] do_mount+0x3c9/0x25e0 [ 40.966232] ? copy_mount_string+0x40/0x40 [ 40.970466] ? memset+0x20/0x40 [ 40.973739] ? copy_mount_options+0x1ec/0x2e0 [ 40.978231] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.982116] SyS_mount+0xa8/0x120 [ 40.985563] ? copy_mnt_ns+0x8a0/0x8a0 [ 40.989448] do_syscall_64+0x1d5/0x640 [ 40.993348] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 40.998534] RIP: 0033:0x44898a [ 41.001720] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 41.009426] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 41.016694] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 41.023992] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 executing program executing program [ 41.031265] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000008 [ 41.038539] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 41.058134] FAULT_INJECTION: forcing a failure. [ 41.058134] name failslab, interval 1, probability 0, space 0, times 0 executing program [ 41.079014] CPU: 1 PID: 6791 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 41.086912] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.096262] Call Trace: [ 41.098849] dump_stack+0x1b2/0x283 [ 41.102489] should_fail.cold+0x10a/0x154 [ 41.106642] should_failslab+0xd6/0x130 [ 41.110616] __kmalloc+0x2c1/0x400 [ 41.114153] ? __list_lru_init+0x67/0x650 [ 41.118311] __list_lru_init+0x67/0x650 [ 41.122289] sget_userns+0x4e4/0xc30 [ 41.126002] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e executing program [ 41.132842] ? btrfs_parse_early_options+0x310/0x310 [ 41.137947] ? dlm_send_remote_unlock_request.constprop.0.cold+0x1e/0x1e [ 41.144785] ? btrfs_parse_early_options+0x310/0x310 [ 41.149892] sget+0xd1/0x110 [ 41.152914] btrfs_mount+0x113c/0x2838 [ 41.156805] ? _find_next_bit+0xdb/0x100 [ 41.160865] ? pcpu_alloc+0x37d/0xf70 [ 41.164672] ? btrfs_remount+0x10c0/0x10c0 [ 41.168919] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.174366] ? rcu_read_lock_sched_held+0x10a/0x130 [ 41.179404] ? pcpu_alloc+0xe1/0xf70 executing program [ 41.183124] ? __lockdep_init_map+0x100/0x560 [ 41.187616] ? __lockdep_init_map+0x100/0x560 [ 41.192134] mount_fs+0x92/0x2a0 [ 41.195512] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.200007] vfs_kern_mount+0x3c/0x60 [ 41.203810] btrfs_mount+0x2a0/0x2838 [ 41.207612] ? _find_next_bit+0xdb/0x100 [ 41.211673] ? pcpu_alloc+0x37d/0xf70 [ 41.215472] ? btrfs_remount+0x10c0/0x10c0 [ 41.219712] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.225159] ? rcu_read_lock_sched_held+0x10a/0x130 [ 41.230171] ? pcpu_alloc+0xe1/0xf70 executing program [ 41.233886] ? pcpu_find_block_fit+0x380/0x380 [ 41.238464] ? __lockdep_init_map+0x100/0x560 [ 41.242957] ? __lockdep_init_map+0x100/0x560 [ 41.247455] mount_fs+0x92/0x2a0 [ 41.250822] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.255318] do_mount+0x3c9/0x25e0 [ 41.258860] ? copy_mount_string+0x40/0x40 [ 41.263093] ? memset+0x20/0x40 [ 41.266371] ? copy_mount_options+0x1ec/0x2e0 [ 41.270861] ? copy_mnt_ns+0x8a0/0x8a0 [ 41.274747] SyS_mount+0xa8/0x120 [ 41.278213] ? copy_mnt_ns+0x8a0/0x8a0 [ 41.282105] do_syscall_64+0x1d5/0x640 [ 41.285988] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.291165] RIP: 0033:0x44898a [ 41.294350] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 41.302057] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 41.309326] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 41.316596] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 41.323863] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000001 executing program executing program [ 41.331154] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 41.367059] ================================================================== [ 41.374574] BUG: KASAN: use-after-free in btrfs_mount+0x2412/0x2838 [ 41.380979] Read of size 8 at addr ffff8880a3c42258 by task syz-executor309/6783 [ 41.388490] [ 41.390103] CPU: 0 PID: 6783 Comm: syz-executor309 Not tainted 4.14.184-syzkaller #0 [ 41.397963] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.407299] Call Trace: [ 41.409878] dump_stack+0x1b2/0x283 [ 41.413495] ? btrfs_mount+0x2412/0x2838 [ 41.417543] print_address_description.cold+0x54/0x1dc [ 41.422822] ? btrfs_mount+0x2412/0x2838 [ 41.426870] kasan_report.cold+0xa9/0x2b9 [ 41.431003] btrfs_mount+0x2412/0x2838 [ 41.434878] ? pcpu_find_block_fit+0x2ed/0x380 [ 41.439444] ? pcpu_alloc+0x37d/0xf70 [ 41.443247] ? btrfs_remount+0x10c0/0x10c0 [ 41.447488] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.452930] ? rcu_read_lock_sched_held+0x10a/0x130 [ 41.457934] ? pcpu_alloc+0xe1/0xf70 [ 41.461643] ? __lockdep_init_map+0x100/0x560 [ 41.466123] ? __lockdep_init_map+0x100/0x560 [ 41.470813] mount_fs+0x92/0x2a0 [ 41.474169] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.478648] vfs_kern_mount+0x3c/0x60 [ 41.482437] btrfs_mount+0x2a0/0x2838 [ 41.486228] ? pcpu_find_block_fit+0x2ed/0x380 [ 41.490796] ? pcpu_alloc+0x37d/0xf70 [ 41.494584] ? btrfs_remount+0x10c0/0x10c0 [ 41.498809] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.504244] ? rcu_read_lock_sched_held+0x10a/0x130 [ 41.509242] ? pcpu_alloc+0xe1/0xf70 [ 41.512947] ? pcpu_find_block_fit+0x380/0x380 [ 41.517512] ? __lockdep_init_map+0x100/0x560 [ 41.521991] ? __lockdep_init_map+0x100/0x560 [ 41.526472] mount_fs+0x92/0x2a0 [ 41.529829] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.534320] do_mount+0x3c9/0x25e0 [ 41.537848] ? copy_mount_string+0x40/0x40 [ 41.542069] ? memset+0x20/0x40 [ 41.545345] ? copy_mount_options+0x1ec/0x2e0 [ 41.549823] ? copy_mnt_ns+0x8a0/0x8a0 [ 41.553709] SyS_mount+0xa8/0x120 [ 41.557145] ? copy_mnt_ns+0x8a0/0x8a0 [ 41.561019] do_syscall_64+0x1d5/0x640 [ 41.564904] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.570097] RIP: 0033:0x44898a [ 41.573270] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 41.580965] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 41.588226] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 41.595503] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 41.602761] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000008 [ 41.610016] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 41.617299] [ 41.618909] Allocated by task 6783: [ 41.622531] kasan_kmalloc.part.0+0x4f/0xd0 [ 41.626839] __kmalloc_node+0x4c/0x70 [ 41.630710] kvmalloc_node+0x88/0xd0 [ 41.634407] btrfs_mount+0xea4/0x2838 [ 41.638191] mount_fs+0x92/0x2a0 [ 41.641545] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.646038] vfs_kern_mount+0x3c/0x60 [ 41.649820] btrfs_mount+0x2a0/0x2838 [ 41.653604] mount_fs+0x92/0x2a0 [ 41.656952] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.661451] do_mount+0x3c9/0x25e0 [ 41.664976] SyS_mount+0xa8/0x120 [ 41.668413] do_syscall_64+0x1d5/0x640 [ 41.672287] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.677454] [ 41.679165] Freed by task 6783: [ 41.682430] kasan_slab_free+0xaf/0x190 [ 41.686387] kfree+0xcb/0x260 [ 41.689482] kvfree+0x45/0x50 [ 41.692585] deactivate_locked_super+0x6c/0xd0 [ 41.697159] sget_userns+0x9df/0xc30 [ 41.700854] sget+0xd1/0x110 [ 41.703857] btrfs_mount+0x113c/0x2838 [ 41.707728] mount_fs+0x92/0x2a0 [ 41.711075] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.715550] vfs_kern_mount+0x3c/0x60 [ 41.719332] btrfs_mount+0x2a0/0x2838 [ 41.723112] mount_fs+0x92/0x2a0 [ 41.726460] vfs_kern_mount.part.0+0x5b/0x3c0 [ 41.730945] do_mount+0x3c9/0x25e0 [ 41.734465] SyS_mount+0xa8/0x120 [ 41.737901] do_syscall_64+0x1d5/0x640 [ 41.741791] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 41.746958] [ 41.748569] The buggy address belongs to the object at ffff8880a3c409c0 [ 41.748569] which belongs to the cache kmalloc-16384 of size 16384 [ 41.761554] The buggy address is located 6296 bytes inside of [ 41.761554] 16384-byte region [ffff8880a3c409c0, ffff8880a3c449c0) [ 41.773684] The buggy address belongs to the page: [ 41.778608] page:ffffea00028f1000 count:1 mapcount:0 mapping:ffff8880a3c409c0 index:0x0 compound_mapcount: 0 [ 41.788563] flags: 0xfffe0000008100(slab|head) [ 41.793132] raw: 00fffe0000008100 ffff8880a3c409c0 0000000000000000 0000000100000001 [ 41.800998] raw: ffffea00022b4c20 ffffea000295bc20 ffff8880aa802200 0000000000000000 [ 41.808859] page dumped because: kasan: bad access detected [ 41.814560] [ 41.816170] Memory state around the buggy address: [ 41.821093] ffff8880a3c42100: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.828437] ffff8880a3c42180: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.835781] >ffff8880a3c42200: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.843121] ^ [ 41.849335] ffff8880a3c42280: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb [ 41.856678] ffff8880a3c42300: fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb fb executing program executing program [ 41.864018] ================================================================== [ 41.871358] Disabling lock debugging due to kernel taint [ 41.889235] Kernel panic - not syncing: panic_on_warn set ... [ 41.889235] [ 41.896626] CPU: 1 PID: 6783 Comm: syz-executor309 Tainted: G B 4.14.184-syzkaller #0 [ 41.900502] IPVS: ftp: loaded support on port[0] = 21 [ 41.905713] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 41.920220] Call Trace: [ 41.922802] dump_stack+0x1b2/0x283 [ 41.926434] panic+0x1f9/0x42d [ 41.929651] ? add_taint.cold+0x16/0x16 [ 41.933623] ? preempt_schedule_common+0x4a/0xc0 [ 41.938376] ? btrfs_mount+0x2412/0x2838 [ 41.942460] ? ___preempt_schedule+0x16/0x18 [ 41.946870] ? btrfs_mount+0x2412/0x2838 [ 41.950940] kasan_end_report+0x43/0x49 [ 41.954911] kasan_report.cold+0x12f/0x2b9 [ 41.959142] btrfs_mount+0x2412/0x2838 [ 41.963026] ? pcpu_find_block_fit+0x2ed/0x380 executing program executing program [ 41.967604] ? pcpu_alloc+0x37d/0xf70 [ 41.971398] ? btrfs_remount+0x10c0/0x10c0 [ 41.975635] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 41.981079] ? rcu_read_lock_sched_held+0x10a/0x130 [ 41.986088] ? pcpu_alloc+0xe1/0xf70 [ 41.989821] ? __lockdep_init_map+0x100/0x560 [ 41.994309] ? __lockdep_init_map+0x100/0x560 [ 41.998803] mount_fs+0x92/0x2a0 [ 42.002164] vfs_kern_mount.part.0+0x5b/0x3c0 [ 42.006657] vfs_kern_mount+0x3c/0x60 [ 42.010454] btrfs_mount+0x2a0/0x2838 [ 42.014252] ? pcpu_find_block_fit+0x2ed/0x380 [ 42.018828] ? pcpu_alloc+0x37d/0xf70 [ 42.022625] ? btrfs_remount+0x10c0/0x10c0 [ 42.026861] ? rcu_lockdep_current_cpu_online+0xed/0x140 [ 42.032316] ? rcu_read_lock_sched_held+0x10a/0x130 [ 42.037319] ? pcpu_alloc+0xe1/0xf70 [ 42.041012] ? pcpu_find_block_fit+0x380/0x380 [ 42.045585] ? __lockdep_init_map+0x100/0x560 [ 42.050083] ? __lockdep_init_map+0x100/0x560 [ 42.054602] mount_fs+0x92/0x2a0 [ 42.057946] vfs_kern_mount.part.0+0x5b/0x3c0 [ 42.062459] do_mount+0x3c9/0x25e0 [ 42.065975] ? copy_mount_string+0x40/0x40 [ 42.070187] ? memset+0x20/0x40 [ 42.073447] ? copy_mount_options+0x1ec/0x2e0 [ 42.077933] ? copy_mnt_ns+0x8a0/0x8a0 [ 42.081829] SyS_mount+0xa8/0x120 [ 42.085255] ? copy_mnt_ns+0x8a0/0x8a0 [ 42.089119] do_syscall_64+0x1d5/0x640 [ 42.092983] entry_SYSCALL_64_after_hwframe+0x46/0xbb [ 42.098144] RIP: 0033:0x44898a [ 42.101305] RSP: 002b:00007fff34f93fb8 EFLAGS: 00000293 ORIG_RAX: 00000000000000a5 [ 42.108998] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 000000000044898a [ 42.116248] RDX: 00007fff34f94000 RSI: 00000000200001c0 RDI: 00007fff34f94020 [ 42.123527] RBP: 0000000000000000 R08: 00007fff34f94060 R09: 0000000000000000 [ 42.130777] R10: 0000000000000005 R11: 0000000000000293 R12: 0000000000000008 [ 42.138026] R13: 0000000000403100 R14: 0000000000000000 R15: 0000000000000000 [ 42.146348] Kernel Offset: disabled [ 42.149957] Rebooting in 86400 seconds..