Warning: Permanently added '10.128.10.19' (ECDSA) to the list of known hosts. 2019/08/22 09:24:52 parsed 1 programs 2019/08/22 09:24:53 executed programs: 0 [ 65.452778] IPv6: ADDRCONF(NETDEV_CHANGE): nr2: link becomes ready [ 65.464031] IPv6: ADDRCONF(NETDEV_CHANGE): nr4: link becomes ready [ 65.475310] IPv6: ADDRCONF(NETDEV_CHANGE): nr1: link becomes ready [ 65.484133] IPv6: ADDRCONF(NETDEV_CHANGE): nr3: link becomes ready [ 65.496371] IPVS: ftp: loaded support on port[0] = 21 [ 65.502703] IPv6: ADDRCONF(NETDEV_CHANGE): nr5: link becomes ready [ 65.510777] IPv6: ADDRCONF(NETDEV_CHANGE): nr0: link becomes ready [ 65.533640] IPVS: ftp: loaded support on port[0] = 21 [ 65.574172] chnl_net:caif_netlink_parms(): no params data found [ 65.592198] IPVS: ftp: loaded support on port[0] = 21 [ 65.653441] chnl_net:caif_netlink_parms(): no params data found [ 65.671928] IPVS: ftp: loaded support on port[0] = 21 [ 65.682083] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.688567] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.695869] device bridge_slave_0 entered promiscuous mode [ 65.714183] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.721111] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.728194] device bridge_slave_1 entered promiscuous mode [ 65.754964] bridge0: port 1(bridge_slave_0) entered blocking state [ 65.761720] bridge0: port 1(bridge_slave_0) entered disabled state [ 65.768576] device bridge_slave_0 entered promiscuous mode [ 65.779151] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 65.788271] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 65.803368] bridge0: port 2(bridge_slave_1) entered blocking state [ 65.809919] bridge0: port 2(bridge_slave_1) entered disabled state [ 65.817159] device bridge_slave_1 entered promiscuous mode [ 65.838665] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 65.853253] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 65.860686] team0: Port device team_slave_0 added [ 65.867883] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 65.875149] team0: Port device team_slave_1 added [ 65.881257] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 65.923275] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 65.944790] chnl_net:caif_netlink_parms(): no params data found [ 65.953686] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 65.961559] team0: Port device team_slave_0 added [ 65.967154] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 65.981098] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 65.988189] team0: Port device team_slave_1 added [ 65.998065] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 66.005498] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 66.062308] device hsr_slave_0 entered promiscuous mode [ 66.120477] device hsr_slave_1 entered promiscuous mode [ 66.178237] IPVS: ftp: loaded support on port[0] = 21 [ 66.242124] device hsr_slave_0 entered promiscuous mode [ 66.300330] device hsr_slave_1 entered promiscuous mode [ 66.370764] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 66.378127] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 66.385838] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 66.412283] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 66.423183] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.429877] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.437306] device bridge_slave_0 entered promiscuous mode [ 66.444278] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.451095] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.458147] device bridge_slave_1 entered promiscuous mode [ 66.489280] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 66.498260] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 66.517384] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.517488] IPVS: ftp: loaded support on port[0] = 21 [ 66.529576] bridge0: port 2(bridge_slave_1) entered forwarding state [ 66.536568] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.542966] bridge0: port 1(bridge_slave_0) entered forwarding state [ 66.598935] chnl_net:caif_netlink_parms(): no params data found [ 66.633635] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.652307] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.661996] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 66.673033] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 66.680188] team0: Port device team_slave_0 added [ 66.697864] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 66.710456] team0: Port device team_slave_1 added [ 66.716053] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 66.745999] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 66.773882] bridge0: port 1(bridge_slave_0) entered blocking state [ 66.781252] bridge0: port 1(bridge_slave_0) entered disabled state [ 66.788157] device bridge_slave_0 entered promiscuous mode [ 66.794860] bridge0: port 2(bridge_slave_1) entered blocking state [ 66.801359] bridge0: port 2(bridge_slave_1) entered disabled state [ 66.808174] device bridge_slave_1 entered promiscuous mode [ 66.826657] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 66.892991] device hsr_slave_0 entered promiscuous mode [ 66.930262] device hsr_slave_1 entered promiscuous mode [ 67.010678] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 67.018249] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 67.028022] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.049520] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 67.058230] team0: Port device team_slave_0 added [ 67.064831] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.095379] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 67.112896] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 67.121774] team0: Port device team_slave_1 added [ 67.127260] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 67.150692] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 67.175462] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.218181] chnl_net:caif_netlink_parms(): no params data found [ 67.235672] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 67.242763] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.270333] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.290953] chnl_net:caif_netlink_parms(): no params data found [ 67.343554] device hsr_slave_0 entered promiscuous mode [ 67.380308] device hsr_slave_1 entered promiscuous mode [ 67.440959] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 67.447941] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 67.455271] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.463285] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.469614] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.476771] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.484431] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.491020] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.503531] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.512810] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.526794] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 67.541266] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.549220] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 67.565664] 8021q: adding VLAN 0 to HW filter on device bond0 [ 67.574781] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 67.596159] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 67.604418] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.611399] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 67.621179] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.627549] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.634642] device bridge_slave_0 entered promiscuous mode [ 67.645141] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.652007] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.658745] device bridge_slave_1 entered promiscuous mode [ 67.677819] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 67.684777] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.691655] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 67.699521] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 67.706053] 8021q: adding VLAN 0 to HW filter on device team0 [ 67.721079] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.729269] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 67.750502] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 67.766096] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.772895] bridge0: port 1(bridge_slave_0) entered disabled state [ 67.779850] device bridge_slave_0 entered promiscuous mode [ 67.789363] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.796202] bridge0: port 2(bridge_slave_1) entered disabled state [ 67.803546] device bridge_slave_1 entered promiscuous mode [ 67.809646] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.817635] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.824182] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.831677] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 67.839287] bridge0: port 1(bridge_slave_0) entered blocking state [ 67.845666] bridge0: port 1(bridge_slave_0) entered forwarding state [ 67.854089] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.861992] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 67.896124] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.903943] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.910329] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.917534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 67.925271] bridge0: port 2(bridge_slave_1) entered blocking state [ 67.931652] bridge0: port 2(bridge_slave_1) entered forwarding state [ 67.963179] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 67.974047] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.986885] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 67.995213] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.003708] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.011536] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.018965] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.026307] IPv6: ADDRCONF(NETDEV_CHANGE): team0: link becomes ready [ 68.034601] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 68.041922] team0: Port device team_slave_0 added [ 68.062460] 8021q: adding VLAN 0 to HW filter on device bond0 [ 68.082989] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 68.090438] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 68.102970] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.127799] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 68.136894] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 68.146367] team0: Port device team_slave_1 added [ 68.152074] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.159604] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 68.189724] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_0: link becomes ready [ 68.198858] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 68.209821] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.217773] IPv6: ADDRCONF(NETDEV_UP): team0: link is not ready [ 68.224062] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.233128] hsr0: Slave B (hsr_slave_1) is not up; please bring it up to get a fully working HSR network [ 68.244832] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 68.252148] team0: Port device team_slave_0 added [ 68.303496] device hsr_slave_0 entered promiscuous mode [ 68.340415] device hsr_slave_1 entered promiscuous mode [ 68.408097] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_0: link is not ready [ 68.415407] IPv6: ADDRCONF(NETDEV_UP): hsr_slave_1: link is not ready [ 68.432239] IPv6: ADDRCONF(NETDEV_CHANGE): hsr_slave_1: link becomes ready [ 68.459638] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 68.468370] team0: Port device team_slave_1 added [ 68.483648] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 68.499921] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 68.510749] bridge0: port 1(bridge_slave_0) entered blocking state [ 68.517145] bridge0: port 1(bridge_slave_0) entered forwarding state [ 68.524527] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 68.532597] bridge0: port 2(bridge_slave_1) entered blocking state [ 68.538962] bridge0: port 2(bridge_slave_1) entered forwarding state [ 68.547733] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 68.561925] 8021q: adding VLAN 0 to HW filter on device batadv0 [ 68.574832] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 68.599728] FAULT_INJECTION: forcing a failure. [ 68.599728] name fail_page_alloc, interval 1, probability 0, space 0, times 1 [ 68.599764] CPU: 0 PID: 6659 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.599767] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.599769] Call Trace: [ 68.599780] dump_stack+0x145/0x1e1 [ 68.599786] ? arch_local_irq_restore+0x43/0x43 [ 68.599794] ? trace_hardirqs_off+0x10/0x10 [ 68.599806] should_fail.cold.4+0x5/0x15 [ 68.599814] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.599818] ? lock_release+0x960/0x960 [ 68.599823] ? trace_hardirqs_off+0x10/0x10 [ 68.599830] ? __lock_is_held+0xb5/0x140 [ 68.599846] ? check_same_owner+0x320/0x320 [ 68.599853] ? mark_held_locks+0xc7/0x130 [ 68.599861] ? __might_sleep+0x93/0xb0 [ 68.599871] __alloc_pages_nodemask+0x328/0xd70 [ 68.599875] ? trace_hardirqs_off+0x10/0x10 [ 68.599881] ? loop_add+0x2e8/0x8c0 [ 68.599889] ? __alloc_pages_slowpath+0x2dd0/0x2dd0 [ 68.599910] ? __lock_is_held+0xb5/0x140 [ 68.599924] ? kasan_unpoison_shadow+0x35/0x50 [ 68.599929] ? check_same_owner+0x320/0x320 [ 68.599933] ? kasan_kmalloc+0xc7/0xe0 [ 68.599941] alloc_pages_current+0xd6/0x1b0 [ 68.599950] __vmalloc_node_range+0x3f8/0x6d0 [ 68.599964] vzalloc+0x39/0x40 [ 68.599971] ? pcpu_mem_zalloc+0x22/0x40 [ 68.599975] pcpu_mem_zalloc+0x22/0x40 [ 68.599980] pcpu_extend_area_map+0x65/0x180 [ 68.599988] pcpu_alloc+0x809/0x1350 [ 68.599992] ? kmem_cache_alloc_node_trace+0x145/0x780 [ 68.599998] ? blk_throtl_init+0xbd/0x520 [ 68.600006] ? blkcg_init_queue+0x1e9/0x2e0 [ 68.600010] ? blk_alloc_queue_node+0x7f9/0xb60 [ 68.600018] ? pcpu_populate_chunk+0x880/0x880 [ 68.600023] ? trace_hardirqs_off+0x10/0x10 [ 68.600027] ? print_usage_bug+0xc0/0xc0 [ 68.600031] ? __lock_is_held+0xb5/0x140 [ 68.600044] ? __lock_is_held+0xb5/0x140 [ 68.600049] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.600057] ? blk_throtl_init+0xbd/0x520 [ 68.600060] ? blk_throtl_init+0xbd/0x520 [ 68.600064] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.600068] ? kmem_cache_alloc_node_trace+0x36c/0x780 [ 68.600072] ? blkcg_init_queue+0xe5/0x2e0 [ 68.600076] ? lock_downgrade+0x830/0x830 [ 68.600083] __alloc_percpu+0x10/0x20 [ 68.600087] blk_throtl_init+0xd8/0x520 [ 68.600091] ? rcu_is_watching+0x61/0x170 [ 68.600095] ? blk_throtl_drain+0x760/0x760 [ 68.600098] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.600104] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.600110] blkcg_init_queue+0x1e9/0x2e0 [ 68.600116] blk_alloc_queue_node+0x7f9/0xb60 [ 68.600123] ? alloc_request_size+0x100/0x100 [ 68.600134] ? __blk_mq_alloc_rq_map+0x14d/0x2b0 [ 68.600144] ? blk_mq_update_nr_hw_queues+0x450/0x450 [ 68.600150] blk_mq_init_queue+0x3c/0x90 [ 68.600155] loop_add+0x2e8/0x8c0 [ 68.600159] ? loop_lookup+0x77/0x200 [ 68.600164] ? loop_queue_rq+0x250/0x250 [ 68.600175] loop_control_ioctl+0x278/0x430 [ 68.600179] ? loop_add+0x8c0/0x8c0 [ 68.600186] ? expand_files.part.8+0x850/0x850 [ 68.600192] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.600197] ? vfs_write+0x221/0x4f0 [ 68.600201] ? wait_for_completion+0x850/0x850 [ 68.600208] do_vfs_ioctl+0x183/0x15a0 [ 68.600211] ? __lock_is_held+0xb5/0x140 [ 68.600215] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.600222] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.600226] ? __fget_light+0x2a5/0x3f0 [ 68.600232] ? fget_raw+0x10/0x10 [ 68.600238] ? __sb_end_write+0xa4/0xd0 [ 68.600244] ? mutex_unlock+0xd/0x10 [ 68.600248] ? __f_unlock_pos+0xd/0x10 [ 68.600251] ? SyS_write+0x199/0x240 [ 68.600257] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.600265] SyS_ioctl+0x74/0x80 [ 68.600271] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.600276] RIP: 0033:0x459829 [ 68.600279] RSP: 002b:00007efde9dd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.600284] RAX: ffffffffffffffda RBX: 00007efde9dd4c90 RCX: 0000000000459829 [ 68.600286] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.600288] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.600291] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efde9dd56d4 [ 68.600293] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.600496] syz-executor.2: vmalloc: allocation failure, allocated 20480 of 36864 bytes, mode:0x14080c0(GFP_KERNEL|__GFP_ZERO), nodemask=(null) [ 68.600542] syz-executor.2 cpuset=syz2 mems_allowed=0-1 [ 68.600699] CPU: 0 PID: 6659 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.600702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.600704] Call Trace: [ 68.600710] dump_stack+0x145/0x1e1 [ 68.600716] ? arch_local_irq_restore+0x43/0x43 [ 68.600729] warn_alloc.cold.112+0xda/0x1d3 [ 68.600734] ? zone_watermark_ok_safe+0x450/0x450 [ 68.600749] ? check_same_owner+0x320/0x320 [ 68.600754] ? kasan_kmalloc+0xc7/0xe0 [ 68.600766] __vmalloc_node_range+0x4f3/0x6d0 [ 68.600776] vzalloc+0x39/0x40 [ 68.600782] ? pcpu_mem_zalloc+0x22/0x40 [ 68.600785] pcpu_mem_zalloc+0x22/0x40 [ 68.600790] pcpu_extend_area_map+0x65/0x180 [ 68.600797] pcpu_alloc+0x809/0x1350 [ 68.600801] ? kmem_cache_alloc_node_trace+0x145/0x780 [ 68.600806] ? blk_throtl_init+0xbd/0x520 [ 68.600810] ? blkcg_init_queue+0x1e9/0x2e0 [ 68.600814] ? blk_alloc_queue_node+0x7f9/0xb60 [ 68.600823] ? pcpu_populate_chunk+0x880/0x880 [ 68.600830] ? trace_hardirqs_off+0x10/0x10 [ 68.600835] ? print_usage_bug+0xc0/0xc0 [ 68.600839] ? __lock_is_held+0xb5/0x140 [ 68.600855] ? __lock_is_held+0xb5/0x140 [ 68.600859] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.600868] ? blk_throtl_init+0xbd/0x520 [ 68.600872] ? blk_throtl_init+0xbd/0x520 [ 68.600876] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.600881] ? kmem_cache_alloc_node_trace+0x36c/0x780 [ 68.600885] ? blkcg_init_queue+0xe5/0x2e0 [ 68.600890] ? lock_downgrade+0x830/0x830 [ 68.600907] __alloc_percpu+0x10/0x20 [ 68.600911] blk_throtl_init+0xd8/0x520 [ 68.600915] ? rcu_is_watching+0x61/0x170 [ 68.600920] ? blk_throtl_drain+0x760/0x760 [ 68.600923] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.600929] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.600937] blkcg_init_queue+0x1e9/0x2e0 [ 68.600944] blk_alloc_queue_node+0x7f9/0xb60 [ 68.600951] ? alloc_request_size+0x100/0x100 [ 68.600963] ? __blk_mq_alloc_rq_map+0x14d/0x2b0 [ 68.600976] ? blk_mq_update_nr_hw_queues+0x450/0x450 [ 68.600984] blk_mq_init_queue+0x3c/0x90 [ 68.600992] loop_add+0x2e8/0x8c0 [ 68.600996] ? loop_lookup+0x77/0x200 [ 68.601002] ? loop_queue_rq+0x250/0x250 [ 68.601013] loop_control_ioctl+0x278/0x430 [ 68.601019] ? loop_add+0x8c0/0x8c0 [ 68.601026] ? expand_files.part.8+0x850/0x850 [ 68.601032] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.601037] ? vfs_write+0x221/0x4f0 [ 68.601041] ? wait_for_completion+0x850/0x850 [ 68.601049] do_vfs_ioctl+0x183/0x15a0 [ 68.601051] ? __lock_is_held+0xb5/0x140 [ 68.601054] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.601062] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.601066] ? __fget_light+0x2a5/0x3f0 [ 68.601071] ? fget_raw+0x10/0x10 [ 68.601078] ? __sb_end_write+0xa4/0xd0 [ 68.601084] ? mutex_unlock+0xd/0x10 [ 68.601088] ? __f_unlock_pos+0xd/0x10 [ 68.601092] ? SyS_write+0x199/0x240 [ 68.601098] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.601107] SyS_ioctl+0x74/0x80 [ 68.601114] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.601119] RIP: 0033:0x459829 [ 68.601122] RSP: 002b:00007efde9dd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.601127] RAX: ffffffffffffffda RBX: 00007efde9dd4c90 RCX: 0000000000459829 [ 68.601130] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.601132] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.601135] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efde9dd56d4 [ 68.601138] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.601309] Mem-Info: [ 68.601319] active_anon:4991 inactive_anon:178 isolated_anon:0 [ 68.601319] active_file:11909 inactive_file:9638 isolated_file:0 [ 68.601319] unevictable:0 dirty:5008 writeback:0 unstable:0 [ 68.601319] slab_reclaimable:0 slab_unreclaimable:5008 [ 68.601319] mapped:5633 shmem:241 pagetables:374 bounce:0 [ 68.601319] free:1458982 free_pcp:380 free_cma:0 [ 68.601330] Node 0 active_anon:19964kB inactive_anon:712kB active_file:47500kB inactive_file:38552kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:22532kB dirty:20032kB writeback:0kB shmem:964kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 4096kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 68.601373] Node 1 active_anon:0kB inactive_anon:0kB active_file:136kB inactive_file:0kB unevictable:0kB isolated(anon):0kB isolated(file):0kB mapped:0kB dirty:0kB writeback:0kB shmem:0kB shmem_thp: 0kB shmem_pmdmapped: 0kB anon_thp: 0kB writeback_tmp:0kB unstable:0kB all_unreclaimable? no [ 68.601375] Node 0 DMA free:15908kB min:220kB low:272kB high:324kB 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 [ 68.601385] lowmem_reserve[]: 0 2837 3544 3544 [ 68.601394] Node 0 DMA32 free:2907328kB min:40200kB low:50248kB high:60296kB active_anon:0kB inactive_anon:0kB active_file:0kB inactive_file:0kB unevictable:0kB writepending:0kB present:3129332kB managed:2908064kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:736kB local_pcp:736kB free_cma:0kB [ 68.601403] lowmem_reserve[]: 0 0 707 707 [ 68.601451] Node 0 Normal free:127856kB min:10024kB low:12528kB high:15032kB active_anon:19932kB inactive_anon:712kB active_file:47500kB inactive_file:38552kB unevictable:0kB writepending:20032kB present:786432kB managed:724568kB mlocked:0kB kernel_stack:6912kB pagetables:1496kB bounce:0kB free_pcp:784kB local_pcp:348kB free_cma:0kB [ 68.601459] lowmem_reserve[]: 0 0 0 0 [ 68.601468] Node 1 Normal free:2784836kB min:39664kB low:49580kB high:59496kB active_anon:0kB inactive_anon:0kB active_file:136kB inactive_file:0kB unevictable:0kB writepending:0kB present:3932160kB managed:2866720kB mlocked:0kB kernel_stack:0kB pagetables:0kB bounce:0kB free_pcp:0kB local_pcp:0kB free_cma:0kB [ 68.601476] lowmem_reserve[]: 0 0 0 0 [ 68.601522] 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 [ 68.602200] Node 0 DMA32: 4*4kB (M) 2*8kB (M) 4*16kB (M) 3*32kB (M) 2*64kB (M) 1*128kB (M) 3*256kB (M) 2*512kB (M) 3*1024kB (M) 1*2048kB (M) 708*4096kB (M) = 2907328kB [ 68.602251] Node 0 Normal: 612*4kB (UME) 327*8kB (UME) 656*16kB (UME) 1441*32kB (UE) 302*64kB (UME) 25*128kB (UME) 10*256kB (UME) 16*512kB (UM) 16*1024kB (UME) 2*2048kB (M) 3*4096kB (M) = 127720kB [ 68.602291] Node 1 Normal: 51*4kB (UE) 337*8kB (UE) 249*16kB (UE) 53*32kB (UME) 15*64kB (UE) 12*128kB (UME) 5*256kB (UM) 3*512kB (UE) 2*1024kB (UM) 2*2048kB (UM) 675*4096kB (M) = 2784836kB [ 68.602345] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 68.602349] Node 0 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 68.602352] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=1048576kB [ 68.602408] Node 1 hugepages_total=0 hugepages_free=0 hugepages_surp=0 hugepages_size=2048kB [ 68.602410] 21787 total pagecache pages [ 68.602421] 0 pages in swap cache [ 68.602424] Swap cache stats: add 0, delete 0, find 0/0 [ 68.602426] Free swap = 0kB [ 68.602429] Total swap = 0kB [ 68.602432] 1965979 pages RAM [ 68.602434] 0 pages HighMem/MovableOnly [ 68.602436] 337164 pages reserved [ 68.602438] 0 pages cma reserved [ 68.602482] percpu: allocation failed, size=144 align=8 atomic=0, failed to extend area map [ 68.602487] CPU: 0 PID: 6659 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.602490] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.602492] Call Trace: [ 68.602499] dump_stack+0x145/0x1e1 [ 68.602505] ? arch_local_irq_restore+0x43/0x43 [ 68.602519] pcpu_alloc.cold.25+0x24/0x57 [ 68.602524] ? kmem_cache_alloc_node_trace+0x145/0x780 [ 68.602528] ? blk_throtl_init+0xbd/0x520 [ 68.602531] ? blkcg_init_queue+0x1e9/0x2e0 [ 68.602536] ? blk_alloc_queue_node+0x7f9/0xb60 [ 68.602546] ? pcpu_populate_chunk+0x880/0x880 [ 68.602552] ? trace_hardirqs_off+0x10/0x10 [ 68.602557] ? print_usage_bug+0xc0/0xc0 [ 68.602562] ? __lock_is_held+0xb5/0x140 [ 68.602578] ? __lock_is_held+0xb5/0x140 [ 68.602582] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.602589] ? blk_throtl_init+0xbd/0x520 [ 68.602593] ? blk_throtl_init+0xbd/0x520 [ 68.602597] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.602602] ? kmem_cache_alloc_node_trace+0x36c/0x780 [ 68.602605] ? blkcg_init_queue+0xe5/0x2e0 [ 68.602610] ? lock_downgrade+0x830/0x830 [ 68.602617] __alloc_percpu+0x10/0x20 [ 68.602621] blk_throtl_init+0xd8/0x520 [ 68.602625] ? rcu_is_watching+0x61/0x170 [ 68.602630] ? blk_throtl_drain+0x760/0x760 [ 68.602633] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.602639] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.602646] blkcg_init_queue+0x1e9/0x2e0 [ 68.602653] blk_alloc_queue_node+0x7f9/0xb60 [ 68.602661] ? alloc_request_size+0x100/0x100 [ 68.602673] ? __blk_mq_alloc_rq_map+0x14d/0x2b0 [ 68.602686] ? blk_mq_update_nr_hw_queues+0x450/0x450 [ 68.602695] blk_mq_init_queue+0x3c/0x90 [ 68.602702] loop_add+0x2e8/0x8c0 [ 68.602706] ? loop_lookup+0x77/0x200 [ 68.602712] ? loop_queue_rq+0x250/0x250 [ 68.602723] loop_control_ioctl+0x278/0x430 [ 68.602728] ? loop_add+0x8c0/0x8c0 [ 68.602734] ? expand_files.part.8+0x850/0x850 [ 68.602740] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.602744] ? vfs_write+0x221/0x4f0 [ 68.602750] ? wait_for_completion+0x850/0x850 [ 68.602758] do_vfs_ioctl+0x183/0x15a0 [ 68.602761] ? __lock_is_held+0xb5/0x140 [ 68.602764] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.602772] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.602776] ? __fget_light+0x2a5/0x3f0 [ 68.602782] ? fget_raw+0x10/0x10 [ 68.602788] ? __sb_end_write+0xa4/0xd0 [ 68.602795] ? mutex_unlock+0xd/0x10 [ 68.602799] ? __f_unlock_pos+0xd/0x10 [ 68.602802] ? SyS_write+0x199/0x240 [ 68.602807] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.602816] SyS_ioctl+0x74/0x80 [ 68.602823] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.602827] RIP: 0033:0x459829 [ 68.602829] RSP: 002b:00007efde9dd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.602835] RAX: ffffffffffffffda RBX: 00007efde9dd4c90 RCX: 0000000000459829 [ 68.602837] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.602840] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.602842] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efde9dd56d4 [ 68.602845] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.604723] FAULT_INJECTION: forcing a failure. [ 68.604723] name failslab, interval 1, probability 0, space 0, times 1 [ 68.604728] CPU: 0 PID: 6658 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 68.604730] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.604732] Call Trace: [ 68.604739] dump_stack+0x145/0x1e1 [ 68.604745] ? arch_local_irq_restore+0x43/0x43 [ 68.604757] should_fail.cold.4+0x5/0x15 [ 68.604764] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.604772] ? pcpu_alloc+0x558/0x1350 [ 68.604778] ? lock_downgrade+0x830/0x830 [ 68.604788] ? __lock_is_held+0xb5/0x140 [ 68.604792] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.604801] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.604806] ? pcpu_alloc+0xd1e/0x1350 [ 68.604812] should_failslab+0xba/0xf0 [ 68.604818] kmem_cache_alloc+0x40/0x780 [ 68.604823] ? pcpu_populate_chunk+0x880/0x880 [ 68.604831] __debug_object_init+0xa28/0x10e0 [ 68.604835] ? print_usage_bug+0xc0/0xc0 [ 68.604843] ? debug_object_destroy+0x2b0/0x2b0 [ 68.604850] ? __percpu_counter_init+0x279/0x340 [ 68.604854] ? lock_downgrade+0x830/0x830 [ 68.604860] ? mark_held_locks+0xc7/0x130 [ 68.604863] ? debug_object_activate+0x3d9/0x5d0 [ 68.604869] ? __raw_spin_lock_init+0x1c/0x100 [ 68.604874] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.604879] ? lockdep_init_map+0x105/0x550 [ 68.604886] debug_object_init+0x16/0x20 [ 68.604890] __percpu_counter_init+0x121/0x340 [ 68.604901] ? percpu_counter_cpu_dead+0x1c0/0x1c0 [ 68.604904] ? blkg_alloc+0x10e/0x750 [ 68.604908] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.604912] ? kmem_cache_alloc_node_trace+0x36c/0x780 [ 68.604922] blkg_alloc+0x21b/0x750 [ 68.604930] ? blkcg_css_free+0x370/0x370 [ 68.604935] ? __raw_spin_lock_init+0x1c/0x100 [ 68.604940] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.604945] ? lockdep_init_map+0x105/0x550 [ 68.604952] ? __alloc_percpu_gfp+0xd/0x10 [ 68.604957] ? percpu_ref_init+0x7b/0x260 [ 68.604961] ? __init_waitqueue_head+0x96/0x140 [ 68.604965] ? blk_put_queue+0x20/0x20 [ 68.604969] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 68.604976] blkcg_init_queue+0x26/0x2e0 [ 68.604982] blk_alloc_queue_node+0x7f9/0xb60 [ 68.604989] ? alloc_request_size+0x100/0x100 [ 68.605000] ? __blk_mq_alloc_rq_map+0x14d/0x2b0 [ 68.605012] ? blk_mq_update_nr_hw_queues+0x450/0x450 [ 68.605020] blk_mq_init_queue+0x3c/0x90 [ 68.605026] loop_add+0x2e8/0x8c0 [ 68.605030] ? loop_lookup+0x77/0x200 [ 68.605035] ? loop_queue_rq+0x250/0x250 [ 68.605046] loop_control_ioctl+0x278/0x430 [ 68.605051] ? loop_add+0x8c0/0x8c0 [ 68.605057] ? expand_files.part.8+0x850/0x850 [ 68.605062] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.605066] ? vfs_write+0x221/0x4f0 [ 68.605071] ? wait_for_completion+0x850/0x850 [ 68.605078] do_vfs_ioctl+0x183/0x15a0 [ 68.605081] ? __lock_is_held+0xb5/0x140 [ 68.605085] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.605092] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.605096] ? __fget_light+0x2a5/0x3f0 [ 68.605101] ? fget_raw+0x10/0x10 [ 68.605107] ? __sb_end_write+0xa4/0xd0 [ 68.605113] ? mutex_unlock+0xd/0x10 [ 68.605117] ? __f_unlock_pos+0xd/0x10 [ 68.605120] ? SyS_write+0x199/0x240 [ 68.605125] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.605133] SyS_ioctl+0x74/0x80 [ 68.605140] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.605144] RIP: 0033:0x459829 [ 68.605146] RSP: 002b:00007f1fd446fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.605151] RAX: ffffffffffffffda RBX: 00007f1fd446fc90 RCX: 0000000000459829 [ 68.605154] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.605156] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.605158] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1fd44706d4 [ 68.605161] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.605685] kobject: '7:0' (ffff88011ab332d0): kobject_add_internal: parent: 'bdi', set: 'devices' [ 68.605881] kobject: '7:0' (ffff88011ab332d0): kobject_uevent_env [ 68.605910] kobject: '7:0' (ffff88011ab332d0): fill_kobj_path: path = '/devices/virtual/bdi/7:0' [ 68.606256] kobject: 'loop0' (ffff880101ae6220): kobject_add_internal: parent: 'block', set: 'devices' [ 68.607249] kobject: 'loop0' (ffff880101ae6220): kobject_uevent_env [ 68.607252] kobject: 'loop0' (ffff880101ae6220): kobject_uevent_env: uevent_suppress caused the event to drop! [ 68.607289] kobject: 'holders' (ffff88011a8f9d80): kobject_add_internal: parent: 'loop0', set: '' [ 68.607309] kobject: 'slaves' (ffff88011a8f9d00): kobject_add_internal: parent: 'loop0', set: '' [ 68.607322] kobject: 'loop0' (ffff880101ae6220): kobject_uevent_env [ 68.607343] kobject: 'loop0' (ffff880101ae6220): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 68.607816] FAULT_INJECTION: forcing a failure. [ 68.607816] name failslab, interval 1, probability 0, space 0, times 0 [ 68.607820] CPU: 0 PID: 6659 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.607823] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.607825] Call Trace: [ 68.607831] dump_stack+0x145/0x1e1 [ 68.607836] ? arch_local_irq_restore+0x43/0x43 [ 68.607843] ? lock_downgrade+0x830/0x830 [ 68.607848] ? finish_task_switch+0x1d0/0x760 [ 68.607856] should_fail.cold.4+0x5/0x15 [ 68.607862] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.607868] ? trace_hardirqs_off+0x10/0x10 [ 68.607876] ? debug_check_no_locks_freed+0x310/0x310 [ 68.607887] ? find_held_lock+0x36/0x1c0 [ 68.607903] should_failslab+0xba/0xf0 [ 68.607908] kmem_cache_alloc+0x40/0x780 [ 68.607913] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 68.607917] ? debug_smp_processor_id+0x17/0x20 [ 68.607921] ? rcu_is_watching+0x61/0x170 [ 68.607927] __debug_object_init+0xa28/0x10e0 [ 68.607933] ? find_held_lock+0x36/0x1c0 [ 68.607938] ? debug_object_destroy+0x2b0/0x2b0 [ 68.607944] ? debug_object_activate+0x297/0x5d0 [ 68.607948] ? lock_downgrade+0x830/0x830 [ 68.607954] ? lock_release+0x960/0x960 [ 68.607961] ? kzfree+0x28/0x30 [ 68.607966] ? do_raw_spin_trylock+0x190/0x190 [ 68.607972] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 68.607977] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.607984] debug_object_activate+0x2fd/0x5d0 [ 68.607990] ? debug_object_free+0x5a0/0x5a0 [ 68.607996] ? free_obj_work+0x620/0x620 [ 68.608005] __call_rcu.constprop.68+0xc8/0xc50 [ 68.608010] ? rcu_lockdep_current_cpu_online+0x19c/0x200 [ 68.608015] ? fput+0x110/0x110 [ 68.608019] ? rcu_idle_enter+0x1f0/0x1f0 [ 68.608022] ? trace_hardirqs_off+0xd/0x10 [ 68.608027] ? kfree+0x104/0x270 [ 68.608030] ? kzfree+0x28/0x30 [ 68.608034] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.608039] ? trace_hardirqs_on+0xd/0x10 [ 68.608044] ? __module_get+0x340/0x340 [ 68.608049] ? kzfree+0x28/0x30 [ 68.608055] ? apparmor_file_free_security+0xf6/0x150 [ 68.608059] ? param_set_aauint+0x50/0x50 [ 68.608063] ? fsnotify+0x1b20/0x1b20 [ 68.608074] call_rcu+0x12/0x20 [ 68.608078] __fput+0x491/0x900 [ 68.608081] ? lock_downgrade+0x830/0x830 [ 68.608088] ? file_free_rcu+0x80/0x80 [ 68.608092] ? .slowpath+0x15/0x15 [ 68.608101] ? task_work_add+0x11f/0x210 [ 68.608107] ____fput+0x9/0x10 [ 68.608111] task_work_run+0x14e/0x230 [ 68.608116] ? task_work_cancel+0x2d0/0x2d0 [ 68.608123] ? exit_to_usermode_loop+0x88/0x280 [ 68.608130] exit_to_usermode_loop+0x216/0x280 [ 68.608136] ? syscall_slow_exit_work+0x400/0x400 [ 68.608147] syscall_return_slowpath+0x2cb/0x360 [ 68.608150] ? fd_install+0x60/0x60 [ 68.608155] ? prepare_exit_to_usermode+0x1f0/0x1f0 [ 68.608159] ? entry_SYSCALL_64_fastpath+0x95/0xc2 [ 68.608164] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.608169] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.608177] entry_SYSCALL_64_fastpath+0xc0/0xc2 [ 68.608181] RIP: 0033:0x413511 [ 68.608184] RSP: 002b:00007efde9dd4c80 EFLAGS: 00000293 ORIG_RAX: 0000000000000003 [ 68.608188] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000413511 [ 68.608191] RDX: 0000000000000001 RSI: 00007efde9dd4ca0 RDI: 0000000000000004 [ 68.608193] RBP: 000000000075bfc8 R08: 0000000000000000 R09: 0000000000000000 [ 68.608196] R10: 0000000000000000 R11: 0000000000000293 R12: 00007efde9dd56d4 [ 68.608198] R13: 00000000004c2f47 R14: 00000000004d6648 R15: 0000000000000004 [ 68.608283] kobject: 'queue' (ffff880124dc5410): kobject_add_internal: parent: 'loop0', set: '' [ 68.608626] kobject: 'mq' (ffff880124dc5450): kobject_add_internal: parent: 'loop0', set: '' [ 68.608639] kobject: 'mq' (ffff880124dc5450): kobject_uevent_env [ 68.608642] kobject: 'mq' (ffff880124dc5450): kobject_uevent_env: filter function caused the event to drop! [ 68.608654] kobject: '0' (ffff88011ab066a8): kobject_add_internal: parent: 'mq', set: '' [ 68.608722] kobject: 'cpu0' (ffffe8ffffc8c0d8): kobject_add_internal: parent: '0', set: '' [ 68.608751] kobject: 'cpu1' (ffffe8ffffd8c0d8): kobject_add_internal: parent: '0', set: '' [ 68.618263] kobject: 'queue' (ffff880124dc5410): kobject_uevent_env [ 68.618268] kobject: 'queue' (ffff880124dc5410): kobject_uevent_env: filter function caused the event to drop! [ 68.618318] kobject: 'iosched' (ffff88011ab036d0): kobject_add_internal: parent: 'queue', set: '' [ 68.618401] kobject: 'iosched' (ffff88011ab036d0): kobject_uevent_env [ 68.618404] kobject: 'iosched' (ffff88011ab036d0): kobject_uevent_env: filter function caused the event to drop! [ 68.618426] kobject: 'integrity' (ffff880101ae6710): kobject_add_internal: parent: 'loop0', set: '' [ 68.618510] kobject: 'integrity' (ffff880101ae6710): kobject_uevent_env [ 68.618513] kobject: 'integrity' (ffff880101ae6710): kobject_uevent_env: filter function caused the event to drop! [ 68.621068] kobject: 'loop2' (ffff880125c66f20): kobject_uevent_env [ 68.621091] kobject: 'loop2' (ffff880125c66f20): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 68.625304] FAULT_INJECTION: forcing a failure. [ 68.625304] name fail_futex, interval 1, probability 0, space 0, times 1 [ 68.625311] CPU: 0 PID: 6658 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 68.625313] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.625316] Call Trace: [ 68.625324] dump_stack+0x145/0x1e1 [ 68.625330] ? arch_local_irq_restore+0x43/0x43 [ 68.625339] ? trace_hardirqs_off+0x10/0x10 [ 68.625348] should_fail.cold.4+0x5/0x15 [ 68.625354] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.625358] ? __lock_is_held+0xb5/0x140 [ 68.625367] ? trace_hardirqs_off+0x10/0x10 [ 68.625377] ? print_usage_bug+0xc0/0xc0 [ 68.625381] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625388] ? rcu_lockdep_current_cpu_online+0x19c/0x200 [ 68.625391] ? rcu_is_watching+0x61/0x170 [ 68.625396] ? print_usage_bug+0xc0/0xc0 [ 68.625400] ? __lock_is_held+0xb5/0x140 [ 68.625407] get_futex_key+0x2b1/0x1bf0 [ 68.625418] ? futex_lock_pi_atomic+0x2a0/0x2a0 [ 68.625427] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625431] ? print_usage_bug+0xc0/0xc0 [ 68.625438] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625445] ? finish_task_switch+0x1f9/0x760 [ 68.625458] ? do_raw_spin_trylock+0x190/0x190 [ 68.625463] ? print_usage_bug+0xc0/0xc0 [ 68.625472] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625475] ? print_usage_bug+0xc0/0xc0 [ 68.625481] ? print_usage_bug+0xc0/0xc0 [ 68.625489] ? print_usage_bug+0xc0/0xc0 [ 68.625497] ? __lock_acquire+0x731/0x4340 [ 68.625503] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625513] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625518] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625521] ? find_held_lock+0x36/0x1c0 [ 68.625528] ? trace_hardirqs_off+0x10/0x10 [ 68.625532] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625539] ? lock_release+0x960/0x960 [ 68.625544] ? print_usage_bug+0xc0/0xc0 [ 68.625548] ? print_usage_bug+0xc0/0xc0 [ 68.625554] futex_wake+0x15c/0x890 [ 68.625558] ? find_held_lock+0x36/0x1c0 [ 68.625564] ? get_futex_key+0x1bf0/0x1bf0 [ 68.625578] ? mntput_no_expire+0x118/0x990 [ 68.625586] do_futex+0x726/0x2330 [ 68.625591] ? debug_check_no_locks_freed+0x310/0x310 [ 68.625594] ? rcu_is_watching+0x61/0x170 [ 68.625598] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.625603] ? lock_downgrade+0x830/0x830 [ 68.625610] ? exit_robust_list+0x1b0/0x1b0 [ 68.625613] ? mntput_no_expire+0x135/0x990 [ 68.625616] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 68.625622] ? trace_hardirqs_off+0x10/0x10 [ 68.625627] ? trace_hardirqs_off+0x10/0x10 [ 68.625633] ? dput.part.28+0x25/0x610 [ 68.625638] ? _raw_spin_unlock+0x2c/0x50 [ 68.625644] ? mntput+0x52/0x70 [ 68.625654] ? find_held_lock+0x36/0x1c0 [ 68.625663] ? __might_fault+0xf1/0x1b0 [ 68.625667] ? lock_downgrade+0x830/0x830 [ 68.625673] ? lock_release+0x960/0x960 [ 68.625677] ? check_same_owner+0x320/0x320 [ 68.625682] ? task_work_run+0x161/0x230 [ 68.625691] ? __might_sleep+0x93/0xb0 [ 68.625700] ? kasan_check_read+0x11/0x20 [ 68.625705] ? _copy_to_user+0x91/0xb0 [ 68.625712] SyS_futex+0xf0/0x3e7 [ 68.625719] ? syscall_return_slowpath+0x2cb/0x360 [ 68.625724] ? do_futex+0x2330/0x2330 [ 68.625729] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.625733] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.625738] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.625746] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.625751] RIP: 0033:0x459829 [ 68.625753] RSP: 002b:00007f1fd446fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 68.625759] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 0000000000459829 [ 68.625761] RDX: 00000000004c2f47 RSI: 0000000000000081 RDI: 000000000075bf2c [ 68.625763] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.625766] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1fd44706d4 [ 68.625769] R13: 00000000004c2f47 R14: 00000000004d6648 R15: 0000000000000004 [ 68.655961] kobject: 'loop3' (ffff880125c9d1a0): kobject_uevent_env [ 68.655989] kobject: 'loop3' (ffff880125c9d1a0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 68.733112] kobject: 'integrity' (ffff880101ae6710): kobject_uevent_env [ 68.733117] kobject: 'integrity' (ffff880101ae6710): kobject_uevent_env: filter function caused the event to drop! [ 68.733205] kobject: 'integrity' (ffff880101ae6710): kobject_cleanup, parent (null) [ 68.733207] kobject: 'integrity' (ffff880101ae6710): does not have a release() function, it is broken and must be fixed. [ 68.733209] kobject: 'integrity': free name [ 68.735076] kobject: '7:0' (ffff88011ab332d0): kobject_uevent_env [ 68.735099] kobject: '7:0' (ffff88011ab332d0): fill_kobj_path: path = '/devices/virtual/bdi/7:0' [ 68.735379] kobject: '7:0' (ffff88011ab332d0): kobject_cleanup, parent (null) [ 68.735381] kobject: '7:0' (ffff88011ab332d0): calling ktype release [ 68.735395] kobject: '7:0': free name [ 68.735479] kobject: 'mq' (ffff880124dc5450): kobject_uevent_env [ 68.735482] kobject: 'mq' (ffff880124dc5450): kobject_uevent_env: filter function caused the event to drop! [ 68.735494] kobject: 'iosched' (ffff88011ab036d0): kobject_uevent_env [ 68.735497] kobject: 'iosched' (ffff88011ab036d0): kobject_uevent_env: filter function caused the event to drop! [ 68.735545] kobject: 'queue' (ffff880124dc5410): kobject_uevent_env [ 68.735548] kobject: 'queue' (ffff880124dc5410): kobject_uevent_env: filter function caused the event to drop! [ 68.735847] kobject: 'holders' (ffff88011a8f9d80): kobject_cleanup, parent ffff880101ae6220 [ 68.735850] kobject: 'holders' (ffff88011a8f9d80): auto cleanup kobject_del [ 68.735860] kobject: 'holders' (ffff88011a8f9d80): calling ktype release [ 68.735862] kobject: (ffff88011a8f9d80): dynamic_kobj_release [ 68.735868] kobject: 'holders': free name [ 68.735871] kobject: 'slaves' (ffff88011a8f9d00): kobject_cleanup, parent ffff880101ae6220 [ 68.735873] kobject: 'slaves' (ffff88011a8f9d00): auto cleanup kobject_del [ 68.735882] kobject: 'slaves' (ffff88011a8f9d00): calling ktype release [ 68.735890] kobject: (ffff88011a8f9d00): dynamic_kobj_release [ 68.735895] kobject: 'slaves': free name [ 68.738011] kobject: 'loop0' (ffff880101ae6220): kobject_uevent_env [ 68.738031] kobject: 'loop0' (ffff880101ae6220): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 68.738343] kobject: 'loop0' (ffff880101ae6220): kobject_cleanup, parent (null) [ 68.738346] kobject: 'loop0' (ffff880101ae6220): calling ktype release [ 68.738365] kobject: 'queue' (ffff880124dc5410): kobject_cleanup, parent (null) [ 68.738367] kobject: 'queue' (ffff880124dc5410): calling ktype release [ 68.738383] kobject: 'queue': free name [ 68.738477] kobject: 'iosched' (ffff88011ab036d0): kobject_cleanup, parent (null) [ 68.738479] kobject: 'iosched' (ffff88011ab036d0): calling ktype release [ 68.738485] kobject: 'iosched': free name [ 68.738493] kobject: '0' (ffff88011ab066a8): kobject_cleanup, parent (null) [ 68.738495] kobject: '0' (ffff88011ab066a8): calling ktype release [ 68.738505] kobject: '0': free name [ 68.738515] kobject: 'cpu0' (ffffe8ffffc8c0d8): kobject_cleanup, parent (null) [ 68.738517] kobject: 'cpu0' (ffffe8ffffc8c0d8): calling ktype release [ 68.738519] kobject: 'cpu0': free name [ 68.738525] kobject: 'cpu1' (ffffe8ffffd8c0d8): kobject_cleanup, parent (null) [ 68.738528] kobject: 'cpu1' (ffffe8ffffd8c0d8): calling ktype release [ 68.738530] kobject: 'cpu1': free name [ 68.738536] kobject: 'mq' (ffff880124dc5450): kobject_cleanup, parent (null) [ 68.738538] kobject: 'mq' (ffff880124dc5450): calling ktype release [ 68.738540] kobject: 'mq': free name [ 68.742429] kobject: 'loop0': free name [ 68.747147] FAULT_INJECTION: forcing a failure. [ 68.747147] name failslab, interval 1, probability 0, space 0, times 0 [ 68.747154] CPU: 0 PID: 6685 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.747156] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.747158] Call Trace: [ 68.747168] dump_stack+0x145/0x1e1 [ 68.747174] ? arch_local_irq_restore+0x43/0x43 [ 68.747182] ? trace_hardirqs_off+0x10/0x10 [ 68.747191] should_fail.cold.4+0x5/0x15 [ 68.747197] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.747208] ? __lock_is_held+0xb5/0x140 [ 68.747223] ? check_same_owner+0x320/0x320 [ 68.747230] ? mark_held_locks+0xc7/0x130 [ 68.747239] should_failslab+0xba/0xf0 [ 68.747246] kmem_cache_alloc_trace+0x2e3/0x7a0 [ 68.747252] ? part_uevent+0x100/0x100 [ 68.747257] ? percpu_ref_noop_confirm_switch+0x10/0x10 [ 68.747268] rand_initialize_disk+0x40/0xc0 [ 68.747273] alloc_disk_node+0x1c7/0x370 [ 68.747280] alloc_disk+0xe/0x10 [ 68.747286] loop_add+0x377/0x8c0 [ 68.747292] ? loop_queue_rq+0x250/0x250 [ 68.747302] loop_control_ioctl+0x278/0x430 [ 68.747307] ? loop_add+0x8c0/0x8c0 [ 68.747315] ? expand_files.part.8+0x850/0x850 [ 68.747322] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.747327] ? vfs_write+0x221/0x4f0 [ 68.747332] ? wait_for_completion+0x850/0x850 [ 68.747341] do_vfs_ioctl+0x183/0x15a0 [ 68.747344] ? __lock_is_held+0xb5/0x140 [ 68.747349] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.747357] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.747361] ? __fget_light+0x2a5/0x3f0 [ 68.747366] ? fget_raw+0x10/0x10 [ 68.747371] ? __sb_end_write+0xa4/0xd0 [ 68.747378] ? mutex_unlock+0xd/0x10 [ 68.747382] ? __f_unlock_pos+0xd/0x10 [ 68.747385] ? SyS_write+0x199/0x240 [ 68.747390] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.747399] SyS_ioctl+0x74/0x80 [ 68.747405] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.747410] RIP: 0033:0x459829 [ 68.747412] RSP: 002b:00007efde9dd4c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.747417] RAX: ffffffffffffffda RBX: 00007efde9dd4c90 RCX: 0000000000459829 [ 68.747420] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.747423] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.747425] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efde9dd56d4 [ 68.747427] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.747488] kobject: '7:0' (ffff880104cd6390): kobject_add_internal: parent: 'bdi', set: 'devices' [ 68.747687] kobject: '7:0' (ffff880104cd6390): kobject_uevent_env [ 68.747707] kobject: '7:0' (ffff880104cd6390): fill_kobj_path: path = '/devices/virtual/bdi/7:0' [ 68.753599] kobject: 'loop0' (ffff880104cd6ca0): kobject_add_internal: parent: 'block', set: 'devices' [ 68.753986] kobject: 'loop0' (ffff880104cd6ca0): kobject_uevent_env [ 68.753989] kobject: 'loop0' (ffff880104cd6ca0): kobject_uevent_env: uevent_suppress caused the event to drop! [ 68.754023] kobject: 'holders' (ffff880101a86600): kobject_add_internal: parent: 'loop0', set: '' [ 68.754042] kobject: 'slaves' (ffff880101a86580): kobject_add_internal: parent: 'loop0', set: '' [ 68.754054] kobject: 'loop0' (ffff880104cd6ca0): kobject_uevent_env [ 68.754074] kobject: 'loop0' (ffff880104cd6ca0): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 68.757441] kobject: 'queue' (ffff88011ea10b18): kobject_add_internal: parent: 'loop0', set: '' [ 68.757784] kobject: 'mq' (ffff88011ea10b58): kobject_add_internal: parent: 'loop0', set: '' [ 68.757798] kobject: 'mq' (ffff88011ea10b58): kobject_uevent_env [ 68.757801] kobject: 'mq' (ffff88011ea10b58): kobject_uevent_env: filter function caused the event to drop! [ 68.757813] kobject: '0' (ffff880101f30b28): kobject_add_internal: parent: 'mq', set: '' [ 68.757875] kobject: 'cpu0' (ffffe8ffffc2b2d8): kobject_add_internal: parent: '0', set: '' [ 68.757910] kobject: 'cpu1' (ffffe8ffffd2b2d8): kobject_add_internal: parent: '0', set: '' [ 68.759856] kobject: 'queue' (ffff88011ea10b18): kobject_uevent_env [ 68.759860] kobject: 'queue' (ffff88011ea10b18): kobject_uevent_env: filter function caused the event to drop! [ 68.759912] kobject: 'iosched' (ffff88011a57bb50): kobject_add_internal: parent: 'queue', set: '' [ 68.759979] kobject: 'iosched' (ffff88011a57bb50): kobject_uevent_env [ 68.759982] kobject: 'iosched' (ffff88011a57bb50): kobject_uevent_env: filter function caused the event to drop! [ 68.760000] kobject: 'integrity' (ffff880104cd7190): kobject_add_internal: parent: 'loop0', set: '' [ 68.763378] kobject: 'integrity' (ffff880104cd7190): kobject_uevent_env [ 68.763381] kobject: 'integrity' (ffff880104cd7190): kobject_uevent_env: filter function caused the event to drop! [ 68.763431] FAULT_INJECTION: forcing a failure. [ 68.763431] name fail_futex, interval 1, probability 0, space 0, times 0 [ 68.763436] CPU: 0 PID: 6685 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.763438] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.763441] Call Trace: [ 68.763451] dump_stack+0x145/0x1e1 [ 68.763457] ? arch_local_irq_restore+0x43/0x43 [ 68.763468] should_fail.cold.4+0x5/0x15 [ 68.763474] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.763480] ? __lock_is_held+0xb5/0x140 [ 68.763486] ? lock_acquire+0x1e5/0x540 [ 68.763493] ? kernfs_activate+0x7a/0x2e0 [ 68.763500] ? lock_release+0x960/0x960 [ 68.763505] ? check_same_owner+0x320/0x320 [ 68.763508] ? __lock_is_held+0xb5/0x140 [ 68.763514] ? print_usage_bug+0xc0/0xc0 [ 68.763518] ? kernfs_activate+0x7a/0x2e0 [ 68.763522] ? print_usage_bug+0xc0/0xc0 [ 68.763526] ? kernfs_activate+0x7a/0x2e0 [ 68.763529] ? print_usage_bug+0xc0/0xc0 [ 68.763535] ? __kernel_text_address+0x70/0xc0 [ 68.763543] get_futex_key+0x2b1/0x1bf0 [ 68.763555] ? futex_lock_pi_atomic+0x2a0/0x2a0 [ 68.763565] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763569] ? print_usage_bug+0xc0/0xc0 [ 68.763576] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763593] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.763596] ? trace_hardirqs_off+0x10/0x10 [ 68.763600] ? print_usage_bug+0xc0/0xc0 [ 68.763609] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763612] ? print_usage_bug+0xc0/0xc0 [ 68.763618] ? print_usage_bug+0xc0/0xc0 [ 68.763627] ? print_usage_bug+0xc0/0xc0 [ 68.763636] ? __lock_acquire+0x731/0x4340 [ 68.763642] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763652] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763658] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763661] ? find_held_lock+0x36/0x1c0 [ 68.763669] ? trace_hardirqs_off+0x10/0x10 [ 68.763673] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763680] ? lock_release+0x960/0x960 [ 68.763685] ? print_usage_bug+0xc0/0xc0 [ 68.763689] ? print_usage_bug+0xc0/0xc0 [ 68.763695] futex_wake+0x15c/0x890 [ 68.763700] ? find_held_lock+0x36/0x1c0 [ 68.763706] ? get_futex_key+0x1bf0/0x1bf0 [ 68.763720] ? mntput_no_expire+0x118/0x990 [ 68.763728] do_futex+0x726/0x2330 [ 68.763734] ? debug_check_no_locks_freed+0x310/0x310 [ 68.763739] ? rcu_is_watching+0x61/0x170 [ 68.763743] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.763748] ? lock_downgrade+0x830/0x830 [ 68.763755] ? exit_robust_list+0x1b0/0x1b0 [ 68.763759] ? mntput_no_expire+0x135/0x990 [ 68.763763] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 68.763769] ? trace_hardirqs_off+0x10/0x10 [ 68.763774] ? trace_hardirqs_off+0x10/0x10 [ 68.763780] ? dput.part.28+0x25/0x610 [ 68.763786] ? _raw_spin_unlock+0x2c/0x50 [ 68.763793] ? mntput+0x52/0x70 [ 68.763802] ? find_held_lock+0x36/0x1c0 [ 68.763812] ? __might_fault+0xf1/0x1b0 [ 68.763817] ? lock_downgrade+0x830/0x830 [ 68.763823] ? lock_release+0x960/0x960 [ 68.763826] ? check_same_owner+0x320/0x320 [ 68.763829] ? task_work_run+0x161/0x230 [ 68.763838] ? __might_sleep+0x93/0xb0 [ 68.763847] ? kasan_check_read+0x11/0x20 [ 68.763851] ? _copy_to_user+0x91/0xb0 [ 68.763859] SyS_futex+0xf0/0x3e7 [ 68.763867] ? syscall_return_slowpath+0x2cb/0x360 [ 68.763873] ? do_futex+0x2330/0x2330 [ 68.763877] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.763890] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.763895] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.763902] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.763907] RIP: 0033:0x459829 [ 68.763910] RSP: 002b:00007efde9dd4cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 68.763916] RAX: ffffffffffffffda RBX: 000000000075bfd0 RCX: 0000000000459829 [ 68.763919] RDX: 00000000004c2f47 RSI: 0000000000000081 RDI: 000000000075bfd4 [ 68.763921] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.763924] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efde9dd56d4 [ 68.763926] R13: 00000000004c2f47 R14: 00000000004d6648 R15: 0000000000000004 [ 68.840914] kobject: 'integrity' (ffff880104cd7190): kobject_uevent_env [ 68.840919] kobject: 'integrity' (ffff880104cd7190): kobject_uevent_env: filter function caused the event to drop! [ 68.840987] kobject: 'integrity' (ffff880104cd7190): kobject_cleanup, parent (null) [ 68.840990] kobject: 'integrity' (ffff880104cd7190): does not have a release() function, it is broken and must be fixed. [ 68.840992] kobject: 'integrity': free name [ 68.845374] kobject: '7:0' (ffff880104cd6390): kobject_uevent_env [ 68.845398] kobject: '7:0' (ffff880104cd6390): fill_kobj_path: path = '/devices/virtual/bdi/7:0' [ 68.845655] kobject: '7:0' (ffff880104cd6390): kobject_cleanup, parent (null) [ 68.845658] kobject: '7:0' (ffff880104cd6390): calling ktype release [ 68.845673] kobject: '7:0': free name [ 68.845758] kobject: 'mq' (ffff88011ea10b58): kobject_uevent_env [ 68.845761] kobject: 'mq' (ffff88011ea10b58): kobject_uevent_env: filter function caused the event to drop! [ 68.845773] kobject: 'iosched' (ffff88011a57bb50): kobject_uevent_env [ 68.845776] kobject: 'iosched' (ffff88011a57bb50): kobject_uevent_env: filter function caused the event to drop! [ 68.845824] kobject: 'queue' (ffff88011ea10b18): kobject_uevent_env [ 68.845826] kobject: 'queue' (ffff88011ea10b18): kobject_uevent_env: filter function caused the event to drop! [ 68.846221] kobject: 'holders' (ffff880101a86600): kobject_cleanup, parent ffff880104cd6ca0 [ 68.846224] kobject: 'holders' (ffff880101a86600): auto cleanup kobject_del [ 68.846235] kobject: 'holders' (ffff880101a86600): calling ktype release [ 68.846237] kobject: (ffff880101a86600): dynamic_kobj_release [ 68.846243] kobject: 'holders': free name [ 68.846246] kobject: 'slaves' (ffff880101a86580): kobject_cleanup, parent ffff880104cd6ca0 [ 68.846248] kobject: 'slaves' (ffff880101a86580): auto cleanup kobject_del [ 68.846257] kobject: 'slaves' (ffff880101a86580): calling ktype release [ 68.846259] kobject: (ffff880101a86580): dynamic_kobj_release [ 68.846265] kobject: 'slaves': free name [ 68.847364] kobject: 'loop0' (ffff880104cd6ca0): kobject_uevent_env [ 68.847383] kobject: 'loop0' (ffff880104cd6ca0): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 68.847722] kobject: 'loop0' (ffff880104cd6ca0): kobject_cleanup, parent (null) [ 68.847725] kobject: 'loop0' (ffff880104cd6ca0): calling ktype release [ 68.847739] kobject: 'queue' (ffff88011ea10b18): kobject_cleanup, parent (null) [ 68.847741] kobject: 'queue' (ffff88011ea10b18): calling ktype release [ 68.847756] kobject: 'queue': free name [ 68.847784] kobject: 'loop0': free name [ 68.855382] kobject: 'iosched' (ffff88011a57bb50): kobject_cleanup, parent (null) [ 68.855386] kobject: 'iosched' (ffff88011a57bb50): calling ktype release [ 68.855392] kobject: 'iosched': free name [ 68.855400] kobject: '0' (ffff880101f30b28): kobject_cleanup, parent (null) [ 68.855402] kobject: '0' (ffff880101f30b28): calling ktype release [ 68.855413] kobject: '0': free name [ 68.855424] kobject: 'cpu0' (ffffe8ffffc2b2d8): kobject_cleanup, parent (null) [ 68.855426] kobject: 'cpu0' (ffffe8ffffc2b2d8): calling ktype release [ 68.855428] kobject: 'cpu0': free name [ 68.855435] kobject: 'cpu1' (ffffe8ffffd2b2d8): kobject_cleanup, parent (null) [ 68.855438] kobject: 'cpu1' (ffffe8ffffd2b2d8): calling ktype release [ 68.855439] kobject: 'cpu1': free name [ 68.855446] kobject: 'mq' (ffff88011ea10b58): kobject_cleanup, parent (null) [ 68.855448] kobject: 'mq' (ffff88011ea10b58): calling ktype release [ 68.855450] kobject: 'mq': free name [ 68.856546] kobject: 'loop2' (ffff880125c66f20): kobject_uevent_env [ 68.856567] kobject: 'loop2' (ffff880125c66f20): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 68.863778] FAULT_INJECTION: forcing a failure. [ 68.863778] name failslab, interval 1, probability 0, space 0, times 0 [ 68.863785] CPU: 0 PID: 6688 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 68.863788] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.863790] Call Trace: [ 68.863799] dump_stack+0x145/0x1e1 [ 68.863804] ? arch_local_irq_restore+0x43/0x43 [ 68.863812] ? kmem_cache_alloc_node_trace+0x145/0x780 [ 68.863818] ? elevator_alloc+0x7d/0x1e0 [ 68.863823] ? trace_hardirqs_off+0x10/0x10 [ 68.863829] ? blk_mq_sched_init+0x25/0x40 [ 68.863837] should_fail.cold.4+0x5/0x15 [ 68.863844] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.863848] ? mark_held_locks+0xc7/0x130 [ 68.863851] ? print_usage_bug+0xc0/0xc0 [ 68.863856] ? debug_mutex_init+0x1c/0x5a [ 68.863862] ? __lock_is_held+0xb5/0x140 [ 68.863872] ? __lock_is_held+0xb5/0x140 [ 68.863884] ? check_same_owner+0x320/0x320 [ 68.863889] ? cpufreq_remove_update_util_hook+0x100/0x100 [ 68.863895] ? mark_held_locks+0xc7/0x130 [ 68.863899] ? kobject_get_path+0x1b0/0x1b0 [ 68.863908] should_failslab+0xba/0xf0 [ 68.863912] kmem_cache_alloc_node_trace+0x272/0x780 [ 68.863924] dd_init_queue+0xf6/0x5a0 [ 68.863929] ? dd_exit_queue+0x1f0/0x1f0 [ 68.863937] ? __kmalloc_node+0x47/0x70 [ 68.863943] ? blk_mq_alloc_rq_map+0xe6/0x1f0 [ 68.863949] ? blk_mq_sched_alloc_tags.isra.9+0xc6/0x150 [ 68.863955] blk_mq_init_sched+0x217/0x4a0 [ 68.863964] elevator_init+0x341/0x450 [ 68.863969] ? elevator_get+0xc0/0xc0 [ 68.863973] ? blk_mq_map_swqueue+0x4e1/0xae0 [ 68.863981] blk_mq_sched_init+0x25/0x40 [ 68.863986] blk_mq_init_allocated_queue+0xe7d/0x1360 [ 68.863994] ? blk_mq_map_swqueue+0xae0/0xae0 [ 68.864001] ? alloc_request_size+0x100/0x100 [ 68.864011] ? __blk_mq_alloc_rq_map+0x14d/0x2b0 [ 68.864023] ? blk_mq_update_nr_hw_queues+0x450/0x450 [ 68.864030] blk_mq_init_queue+0x56/0x90 [ 68.864038] loop_add+0x2e8/0x8c0 [ 68.864042] ? loop_lookup+0x77/0x200 [ 68.864047] ? loop_queue_rq+0x250/0x250 [ 68.864058] loop_control_ioctl+0x278/0x430 [ 68.864063] ? loop_add+0x8c0/0x8c0 [ 68.864070] ? expand_files.part.8+0x850/0x850 [ 68.864081] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.864085] ? vfs_write+0x221/0x4f0 [ 68.864090] ? wait_for_completion+0x850/0x850 [ 68.864098] do_vfs_ioctl+0x183/0x15a0 [ 68.864101] ? __lock_is_held+0xb5/0x140 [ 68.864105] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.864113] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.864117] ? __fget_light+0x2a5/0x3f0 [ 68.864122] ? fget_raw+0x10/0x10 [ 68.864128] ? __sb_end_write+0xa4/0xd0 [ 68.864135] ? mutex_unlock+0xd/0x10 [ 68.864138] ? __f_unlock_pos+0xd/0x10 [ 68.864141] ? SyS_write+0x199/0x240 [ 68.864147] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.864156] SyS_ioctl+0x74/0x80 [ 68.864162] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.864167] RIP: 0033:0x459829 [ 68.864169] RSP: 002b:00007f1fd444ec78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.864174] RAX: ffffffffffffffda RBX: 00007f1fd444ec90 RCX: 0000000000459829 [ 68.864177] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.864179] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.864182] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1fd444f6d4 [ 68.864184] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.864292] kobject: '(null)' (ffff88011c182950): kobject_cleanup, parent (null) [ 68.864295] kobject: '(null)' (ffff88011c182950): calling ktype release [ 68.892287] kobject: '(null)' (ffff88011a765650): kobject_cleanup, parent (null) [ 68.892291] kobject: '(null)' (ffff88011a765650): calling ktype release [ 68.892426] FAULT_INJECTION: forcing a failure. [ 68.892426] name fail_futex, interval 1, probability 0, space 0, times 0 [ 68.892432] CPU: 0 PID: 6688 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 68.892435] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.892437] Call Trace: [ 68.892447] dump_stack+0x145/0x1e1 [ 68.892453] ? arch_local_irq_restore+0x43/0x43 [ 68.892460] ? __lock_is_held+0xb5/0x140 [ 68.892463] ? trace_hardirqs_off+0x10/0x10 [ 68.892473] should_fail.cold.4+0x5/0x15 [ 68.892479] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.892486] ? free_one_page+0x616/0x1750 [ 68.892492] ? __account_cfs_rq_runtime+0x600/0x600 [ 68.892495] ? print_usage_bug+0xc0/0xc0 [ 68.892502] ? find_held_lock+0x36/0x1c0 [ 68.892512] ? print_usage_bug+0xc0/0xc0 [ 68.892519] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 68.892524] ? debug_smp_processor_id+0x17/0x20 [ 68.892528] ? print_usage_bug+0xc0/0xc0 [ 68.892533] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.892540] get_futex_key+0x2b1/0x1bf0 [ 68.892551] ? futex_lock_pi_atomic+0x2a0/0x2a0 [ 68.892560] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892564] ? print_usage_bug+0xc0/0xc0 [ 68.892572] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892576] ? account_entity_enqueue+0x392/0x650 [ 68.892591] ? print_usage_bug+0xc0/0xc0 [ 68.892600] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892604] ? print_usage_bug+0xc0/0xc0 [ 68.892609] ? print_usage_bug+0xc0/0xc0 [ 68.892618] ? print_usage_bug+0xc0/0xc0 [ 68.892626] ? __lock_acquire+0x731/0x4340 [ 68.892631] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892641] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892647] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892649] ? find_held_lock+0x36/0x1c0 [ 68.892657] ? trace_hardirqs_off+0x10/0x10 [ 68.892660] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892667] ? lock_release+0x960/0x960 [ 68.892672] ? print_usage_bug+0xc0/0xc0 [ 68.892676] ? print_usage_bug+0xc0/0xc0 [ 68.892682] futex_wake+0x15c/0x890 [ 68.892686] ? find_held_lock+0x36/0x1c0 [ 68.892692] ? get_futex_key+0x1bf0/0x1bf0 [ 68.892706] ? mntput_no_expire+0x118/0x990 [ 68.892714] do_futex+0x726/0x2330 [ 68.892719] ? debug_check_no_locks_freed+0x310/0x310 [ 68.892722] ? rcu_is_watching+0x61/0x170 [ 68.892727] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.892732] ? lock_downgrade+0x830/0x830 [ 68.892738] ? exit_robust_list+0x1b0/0x1b0 [ 68.892741] ? mntput_no_expire+0x135/0x990 [ 68.892744] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 68.892750] ? trace_hardirqs_off+0x10/0x10 [ 68.892755] ? trace_hardirqs_off+0x10/0x10 [ 68.892761] ? dput.part.28+0x25/0x610 [ 68.892765] ? _raw_spin_unlock+0x2c/0x50 [ 68.892772] ? mntput+0x52/0x70 [ 68.892781] ? find_held_lock+0x36/0x1c0 [ 68.892790] ? __might_fault+0xf1/0x1b0 [ 68.892794] ? lock_downgrade+0x830/0x830 [ 68.892800] ? lock_release+0x960/0x960 [ 68.892804] ? check_same_owner+0x320/0x320 [ 68.892808] ? task_work_run+0x161/0x230 [ 68.892817] ? __might_sleep+0x93/0xb0 [ 68.892826] ? kasan_check_read+0x11/0x20 [ 68.892830] ? _copy_to_user+0x91/0xb0 [ 68.892838] SyS_futex+0xf0/0x3e7 [ 68.892845] ? syscall_return_slowpath+0x2cb/0x360 [ 68.892850] ? do_futex+0x2330/0x2330 [ 68.892855] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.892860] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.892865] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.892872] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.892882] RIP: 0033:0x459829 [ 68.892884] RSP: 002b:00007f1fd444ecf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 68.892890] RAX: ffffffffffffffda RBX: 000000000075bfd0 RCX: 0000000000459829 [ 68.892892] RDX: 00000000004c2f47 RSI: 0000000000000081 RDI: 000000000075bfd4 [ 68.892894] RBP: 0000000000000082 R08: 000000000000000c R09: 0000000000000000 [ 68.892897] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f1fd444f6d4 [ 68.892899] R13: 00000000004c2f47 R14: 00000000004d6648 R15: 0000000000000004 [ 68.893238] kobject: '(null)' (ffff88011c1838e8): kobject_cleanup, parent (null) [ 68.893241] kobject: '(null)' (ffff88011c1838e8): calling ktype release [ 68.893256] kobject: '(null)' (ffffe8ffffc2b298): kobject_cleanup, parent (null) [ 68.893258] kobject: '(null)' (ffffe8ffffc2b298): calling ktype release [ 68.893261] kobject: '(null)' (ffffe8ffffd2b298): kobject_cleanup, parent (null) [ 68.893263] kobject: '(null)' (ffffe8ffffd2b298): calling ktype release [ 68.893267] kobject: '(null)' (ffff88011a765690): kobject_cleanup, parent (null) [ 68.893269] kobject: '(null)' (ffff88011a765690): calling ktype release [ 68.903935] kobject: 'loop3' (ffff880125c9d1a0): kobject_uevent_env [ 68.903956] kobject: 'loop3' (ffff880125c9d1a0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 68.926733] FAULT_INJECTION: forcing a failure. [ 68.926733] name failslab, interval 1, probability 0, space 0, times 0 [ 68.926740] CPU: 0 PID: 6691 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.926743] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.926745] Call Trace: [ 68.926755] dump_stack+0x145/0x1e1 [ 68.926760] ? arch_local_irq_restore+0x43/0x43 [ 68.926767] ? trace_hardirqs_off+0x10/0x10 [ 68.926771] ? trace_hardirqs_off+0x10/0x10 [ 68.926780] should_fail.cold.4+0x5/0x15 [ 68.926787] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.926797] ? __lock_is_held+0xb5/0x140 [ 68.926810] ? kmem_cache_alloc_node_trace+0x145/0x780 [ 68.926816] ? check_same_owner+0x320/0x320 [ 68.926823] ? mark_held_locks+0xc7/0x130 [ 68.926831] should_failslab+0xba/0xf0 [ 68.926836] kmem_cache_alloc_node_trace+0x272/0x780 [ 68.926840] ? lock_downgrade+0x830/0x830 [ 68.926849] __kmalloc_node+0x33/0x70 [ 68.926858] disk_expand_part_tbl+0x1ed/0x5c0 [ 68.926864] ? blk_free_devt+0x20/0x20 [ 68.926870] ? alloc_disk_node+0x52/0x370 [ 68.926880] ? alloc_disk_node+0x52/0x370 [ 68.926885] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.926889] ? kmem_cache_alloc_node_trace+0x36c/0x780 [ 68.926900] alloc_disk_node+0xd8/0x370 [ 68.926906] alloc_disk+0xe/0x10 [ 68.926913] loop_add+0x377/0x8c0 [ 68.926919] ? loop_queue_rq+0x250/0x250 [ 68.926930] loop_control_ioctl+0x278/0x430 [ 68.926935] ? loop_add+0x8c0/0x8c0 [ 68.926942] ? expand_files.part.8+0x850/0x850 [ 68.926949] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.926954] ? vfs_write+0x221/0x4f0 [ 68.926959] ? wait_for_completion+0x850/0x850 [ 68.926966] do_vfs_ioctl+0x183/0x15a0 [ 68.926970] ? __lock_is_held+0xb5/0x140 [ 68.926973] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.926981] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.926985] ? __fget_light+0x2a5/0x3f0 [ 68.926991] ? fget_raw+0x10/0x10 [ 68.926996] ? __sb_end_write+0xa4/0xd0 [ 68.927003] ? mutex_unlock+0xd/0x10 [ 68.927006] ? __f_unlock_pos+0xd/0x10 [ 68.927010] ? SyS_write+0x199/0x240 [ 68.927016] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.927024] SyS_ioctl+0x74/0x80 [ 68.927031] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.927035] RIP: 0033:0x459829 [ 68.927038] RSP: 002b:00007efde9df5c78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.927044] RAX: ffffffffffffffda RBX: 00007efde9df5c90 RCX: 0000000000459829 [ 68.927046] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.927049] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.927051] R10: 0000000000000000 R11: 0000000000000246 R12: 00007efde9df66d4 [ 68.927054] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 68.951426] kobject: '(null)' (ffff88011a764b58): kobject_cleanup, parent (null) [ 68.951430] kobject: '(null)' (ffff88011a764b58): calling ktype release [ 68.951554] FAULT_INJECTION: forcing a failure. [ 68.951554] name fail_futex, interval 1, probability 0, space 0, times 0 [ 68.951561] CPU: 0 PID: 6691 Comm: syz-executor.2 Not tainted 4.12.0+ #1 [ 68.951563] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.951566] Call Trace: [ 68.951577] dump_stack+0x145/0x1e1 [ 68.951583] ? arch_local_irq_restore+0x43/0x43 [ 68.951594] ? do_raw_spin_trylock+0x190/0x190 [ 68.951604] should_fail.cold.4+0x5/0x15 [ 68.951611] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.951618] ? free_one_page+0x616/0x1750 [ 68.951623] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951636] ? drain_local_pages_wq+0x40/0x40 [ 68.951644] ? print_usage_bug+0xc0/0xc0 [ 68.951651] ? debug_check_no_obj_freed+0x3c6/0xcbf [ 68.951656] ? lock_downgrade+0x830/0x830 [ 68.951661] ? print_usage_bug+0xc0/0xc0 [ 68.951665] ? lock_release+0x960/0x960 [ 68.951675] get_futex_key+0x2b1/0x1bf0 [ 68.951687] ? futex_lock_pi_atomic+0x2a0/0x2a0 [ 68.951698] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951702] ? print_usage_bug+0xc0/0xc0 [ 68.951711] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951717] ? __lock_acquire+0x731/0x4340 [ 68.951721] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951735] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951740] ? print_usage_bug+0xc0/0xc0 [ 68.951749] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951753] ? print_usage_bug+0xc0/0xc0 [ 68.951759] ? print_usage_bug+0xc0/0xc0 [ 68.951769] ? print_usage_bug+0xc0/0xc0 [ 68.951779] ? __lock_acquire+0x731/0x4340 [ 68.951785] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951796] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951803] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951806] ? find_held_lock+0x36/0x1c0 [ 68.951815] ? trace_hardirqs_off+0x10/0x10 [ 68.951819] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951827] ? lock_release+0x960/0x960 [ 68.951833] ? print_usage_bug+0xc0/0xc0 [ 68.951838] ? print_usage_bug+0xc0/0xc0 [ 68.951844] futex_wake+0x15c/0x890 [ 68.951849] ? find_held_lock+0x36/0x1c0 [ 68.951856] ? get_futex_key+0x1bf0/0x1bf0 [ 68.951878] ? mntput_no_expire+0x118/0x990 [ 68.951887] do_futex+0x726/0x2330 [ 68.951893] ? debug_check_no_locks_freed+0x310/0x310 [ 68.951898] ? rcu_is_watching+0x61/0x170 [ 68.951903] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.951908] ? lock_downgrade+0x830/0x830 [ 68.951916] ? exit_robust_list+0x1b0/0x1b0 [ 68.951920] ? mntput_no_expire+0x135/0x990 [ 68.951923] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 68.951930] ? trace_hardirqs_off+0x10/0x10 [ 68.951936] ? trace_hardirqs_off+0x10/0x10 [ 68.951943] ? dput.part.28+0x25/0x610 [ 68.951948] ? _raw_spin_unlock+0x2c/0x50 [ 68.951956] ? mntput+0x52/0x70 [ 68.951967] ? find_held_lock+0x36/0x1c0 [ 68.951979] ? __might_fault+0xf1/0x1b0 [ 68.951984] ? lock_downgrade+0x830/0x830 [ 68.951990] ? lock_release+0x960/0x960 [ 68.951997] ? check_same_owner+0x320/0x320 [ 68.952002] ? task_work_run+0x161/0x230 [ 68.952013] ? __might_sleep+0x93/0xb0 [ 68.952024] ? kasan_check_read+0x11/0x20 [ 68.952030] ? _copy_to_user+0x91/0xb0 [ 68.952039] SyS_futex+0xf0/0x3e7 [ 68.952047] ? syscall_return_slowpath+0x2cb/0x360 [ 68.952053] ? do_futex+0x2330/0x2330 [ 68.952058] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.952064] ? trace_hardirqs_on_caller+0x40c/0x580 [ 68.952070] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 68.952079] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.952084] RIP: 0033:0x459829 [ 68.952087] RSP: 002b:00007efde9df5cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 68.952093] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 0000000000459829 [ 68.952096] RDX: 00000000004c2f47 RSI: 0000000000000081 RDI: 000000000075bf2c [ 68.952098] RBP: 0000000000000082 R08: 000000000000000c R09: 0000000000000000 [ 68.952101] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007efde9df66d4 [ 68.952104] R13: 00000000004c2f47 R14: 00000000004d6648 R15: 0000000000000004 [ 68.952213] kobject: '(null)' (ffff880119bcf6d0): kobject_cleanup, parent (null) [ 68.952216] kobject: '(null)' (ffff880119bcf6d0): calling ktype release [ 68.952228] kobject: '(null)' (ffff8801195d46a8): kobject_cleanup, parent (null) [ 68.952230] kobject: '(null)' (ffff8801195d46a8): calling ktype release [ 68.952245] kobject: '(null)' (ffffe8ffffc2b298): kobject_cleanup, parent (null) [ 68.952248] kobject: '(null)' (ffffe8ffffc2b298): calling ktype release [ 68.952251] kobject: '(null)' (ffffe8ffffd2b298): kobject_cleanup, parent (null) [ 68.952254] kobject: '(null)' (ffffe8ffffd2b298): calling ktype release [ 68.952257] kobject: '(null)' (ffff88011a764b98): kobject_cleanup, parent (null) [ 68.952260] kobject: '(null)' (ffff88011a764b98): calling ktype release [ 68.963267] FAULT_INJECTION: forcing a failure. [ 68.963267] name failslab, interval 1, probability 0, space 0, times 0 [ 68.963275] CPU: 0 PID: 6699 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 68.963278] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 68.963280] Call Trace: [ 68.963289] dump_stack+0x145/0x1e1 [ 68.963295] ? arch_local_irq_restore+0x43/0x43 [ 68.963303] ? trace_hardirqs_off+0x10/0x10 [ 68.963306] ? trace_hardirqs_off+0x10/0x10 [ 68.963316] should_fail.cold.4+0x5/0x15 [ 68.963323] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 68.963333] ? __lock_is_held+0xb5/0x140 [ 68.963347] ? kmem_cache_alloc_node_trace+0x145/0x780 [ 68.963353] ? check_same_owner+0x320/0x320 [ 68.963360] ? mark_held_locks+0xc7/0x130 [ 68.963368] should_failslab+0xba/0xf0 [ 68.963373] kmem_cache_alloc_node_trace+0x272/0x780 [ 68.963377] ? lock_downgrade+0x830/0x830 [ 68.963386] __kmalloc_node+0x33/0x70 [ 68.963394] disk_expand_part_tbl+0x1ed/0x5c0 [ 68.963400] ? blk_free_devt+0x20/0x20 [ 68.963406] ? alloc_disk_node+0x52/0x370 [ 68.963410] ? alloc_disk_node+0x52/0x370 [ 68.963415] ? rcu_read_lock_sched_held+0x108/0x120 [ 68.963419] ? kmem_cache_alloc_node_trace+0x36c/0x780 [ 68.963430] alloc_disk_node+0xd8/0x370 [ 68.963436] alloc_disk+0xe/0x10 [ 68.963442] loop_add+0x377/0x8c0 [ 68.963448] ? loop_queue_rq+0x250/0x250 [ 68.963459] loop_control_ioctl+0x278/0x430 [ 68.963464] ? loop_add+0x8c0/0x8c0 [ 68.963472] ? expand_files.part.8+0x850/0x850 [ 68.963478] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 68.963483] ? vfs_write+0x221/0x4f0 [ 68.963488] ? wait_for_completion+0x850/0x850 [ 68.963496] do_vfs_ioctl+0x183/0x15a0 [ 68.963499] ? __lock_is_held+0xb5/0x140 [ 68.963502] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 68.963510] ? ioctl_preallocate+0x2b0/0x2b0 [ 68.963514] ? __fget_light+0x2a5/0x3f0 [ 68.963519] ? fget_raw+0x10/0x10 [ 68.963524] ? __sb_end_write+0xa4/0xd0 [ 68.963531] ? mutex_unlock+0xd/0x10 [ 68.963534] ? __f_unlock_pos+0xd/0x10 [ 68.963538] ? SyS_write+0x199/0x240 [ 68.963544] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 68.963552] SyS_ioctl+0x74/0x80 [ 68.963559] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 68.963564] RIP: 0033:0x459829 [ 68.963566] RSP: 002b:00007f1fd446fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 68.963571] RAX: ffffffffffffffda RBX: 00007f1fd446fc90 RCX: 0000000000459829 [ 68.963574] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 68.963576] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 68.963579] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1fd44706d4 [ 68.963581] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 69.010959] kobject: '(null)' (ffff88011ae8f690): kobject_cleanup, parent (null) [ 69.010964] kobject: '(null)' (ffff88011ae8f690): calling ktype release [ 69.011102] FAULT_INJECTION: forcing a failure. [ 69.011102] name fail_futex, interval 1, probability 0, space 0, times 0 [ 69.011110] CPU: 0 PID: 6699 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 69.011113] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.011115] Call Trace: [ 69.011126] dump_stack+0x145/0x1e1 [ 69.011131] ? arch_local_irq_restore+0x43/0x43 [ 69.011139] ? trace_hardirqs_off+0x10/0x10 [ 69.011147] should_fail.cold.4+0x5/0x15 [ 69.011154] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 69.011161] ? free_one_page+0x616/0x1750 [ 69.011165] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011173] ? find_held_lock+0x36/0x1c0 [ 69.011183] ? print_usage_bug+0xc0/0xc0 [ 69.011190] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 69.011195] ? debug_smp_processor_id+0x17/0x20 [ 69.011199] ? print_usage_bug+0xc0/0xc0 [ 69.011203] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 69.011211] get_futex_key+0x2b1/0x1bf0 [ 69.011221] ? futex_lock_pi_atomic+0x2a0/0x2a0 [ 69.011231] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011235] ? print_usage_bug+0xc0/0xc0 [ 69.011242] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011247] ? account_entity_enqueue+0x392/0x650 [ 69.011262] ? print_usage_bug+0xc0/0xc0 [ 69.011270] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011273] ? print_usage_bug+0xc0/0xc0 [ 69.011278] ? print_usage_bug+0xc0/0xc0 [ 69.011286] ? print_usage_bug+0xc0/0xc0 [ 69.011293] ? __lock_acquire+0x731/0x4340 [ 69.011299] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011308] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011313] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011316] ? find_held_lock+0x36/0x1c0 [ 69.011324] ? trace_hardirqs_off+0x10/0x10 [ 69.011327] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011334] ? lock_release+0x960/0x960 [ 69.011339] ? print_usage_bug+0xc0/0xc0 [ 69.011343] ? print_usage_bug+0xc0/0xc0 [ 69.011349] futex_wake+0x15c/0x890 [ 69.011353] ? find_held_lock+0x36/0x1c0 [ 69.011360] ? get_futex_key+0x1bf0/0x1bf0 [ 69.011374] ? mntput_no_expire+0x118/0x990 [ 69.011382] do_futex+0x726/0x2330 [ 69.011387] ? debug_check_no_locks_freed+0x310/0x310 [ 69.011390] ? rcu_is_watching+0x61/0x170 [ 69.011395] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 69.011400] ? lock_downgrade+0x830/0x830 [ 69.011406] ? exit_robust_list+0x1b0/0x1b0 [ 69.011410] ? mntput_no_expire+0x135/0x990 [ 69.011413] ? rcu_read_lock_bh_held+0xc0/0xc0 [ 69.011418] ? trace_hardirqs_off+0x10/0x10 [ 69.011423] ? trace_hardirqs_off+0x10/0x10 [ 69.011429] ? dput.part.28+0x25/0x610 [ 69.011433] ? _raw_spin_unlock+0x2c/0x50 [ 69.011440] ? mntput+0x52/0x70 [ 69.011449] ? find_held_lock+0x36/0x1c0 [ 69.011458] ? __might_fault+0xf1/0x1b0 [ 69.011463] ? lock_downgrade+0x830/0x830 [ 69.011469] ? lock_release+0x960/0x960 [ 69.011473] ? check_same_owner+0x320/0x320 [ 69.011478] ? task_work_run+0x161/0x230 [ 69.011487] ? __might_sleep+0x93/0xb0 [ 69.011496] ? kasan_check_read+0x11/0x20 [ 69.011501] ? _copy_to_user+0x91/0xb0 [ 69.011508] SyS_futex+0xf0/0x3e7 [ 69.011515] ? syscall_return_slowpath+0x2cb/0x360 [ 69.011520] ? do_futex+0x2330/0x2330 [ 69.011525] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 69.011530] ? trace_hardirqs_on_caller+0x40c/0x580 [ 69.011535] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 69.011542] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 69.011547] RIP: 0033:0x459829 [ 69.011550] RSP: 002b:00007f1fd446fcf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 69.011555] RAX: ffffffffffffffda RBX: 000000000075bf28 RCX: 0000000000459829 [ 69.011557] RDX: 00000000004c2f47 RSI: 0000000000000081 RDI: 000000000075bf2c [ 69.011559] RBP: 0000000000000082 R08: 000000000000000c R09: 0000000000000000 [ 69.011562] R10: ffffffffffffffff R11: 0000000000000246 R12: 00007f1fd44706d4 [ 69.011565] R13: 00000000004c2f47 R14: 00000000004d6648 R15: 0000000000000004 [ 69.011665] kobject: '(null)' (ffff880119bce4d0): kobject_cleanup, parent (null) [ 69.011668] kobject: '(null)' (ffff880119bce4d0): calling ktype release [ 69.011679] kobject: '(null)' (ffff880119bcf468): kobject_cleanup, parent (null) [ 69.011681] kobject: '(null)' (ffff880119bcf468): calling ktype release [ 69.011695] kobject: '(null)' (ffffe8ffffc2b2d8): kobject_cleanup, parent (null) [ 69.011697] kobject: '(null)' (ffffe8ffffc2b2d8): calling ktype release [ 69.011700] kobject: '(null)' (ffffe8ffffd2b2d8): kobject_cleanup, parent (null) [ 69.011702] kobject: '(null)' (ffffe8ffffd2b2d8): calling ktype release [ 69.011705] kobject: '(null)' (ffff88011ae8f6d0): kobject_cleanup, parent (null) [ 69.011708] kobject: '(null)' (ffff88011ae8f6d0): calling ktype release [ 69.014012] kobject: 'loop2' (ffff880125c66f20): kobject_uevent_env [ 69.014034] kobject: 'loop2' (ffff880125c66f20): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.023630] kobject: 'loop3' (ffff880125c9d1a0): kobject_uevent_env [ 69.023653] kobject: 'loop3' (ffff880125c9d1a0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 69.090586] FAULT_INJECTION: forcing a failure. [ 69.090586] name failslab, interval 1, probability 0, space 0, times 0 [ 69.090591] CPU: 0 PID: 6710 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 69.090593] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.090595] Call Trace: [ 69.090604] dump_stack+0x145/0x1e1 [ 69.090608] ? arch_local_irq_restore+0x43/0x43 [ 69.090614] ? trace_hardirqs_off+0x10/0x10 [ 69.090633] should_fail.cold.4+0x5/0x15 [ 69.090638] ? fault_create_debugfs_attr+0x1a0/0x1a0 [ 69.090642] ? kasan_kmalloc+0xc7/0xe0 [ 69.090645] ? __kmalloc_track_caller+0x143/0x7a0 [ 69.090649] ? kvasprintf+0xa5/0x100 [ 69.090652] ? kvasprintf_const+0x4b/0x140 [ 69.090683] ? kobject_set_name_vargs+0x46/0x120 [ 69.090688] ? device_create_groups_vargs+0x1a2/0x220 [ 69.090690] ? device_create_vargs+0x11/0x20 [ 69.090694] ? bdi_register_va.part.9+0xab/0x840 [ 69.090696] ? bdi_register+0xe4/0x100 [ 69.090700] ? __lock_is_held+0xb5/0x140 [ 69.090722] ? check_same_owner+0x320/0x320 [ 69.090727] ? mark_held_locks+0xc7/0x130 [ 69.090732] should_failslab+0xba/0xf0 [ 69.090736] kmem_cache_alloc_trace+0x2e3/0x7a0 [ 69.090740] ? vsnprintf+0xd5e/0x1820 [ 69.090745] device_private_init+0x93/0x240 [ 69.090749] ? virtual_device_parent+0x40/0x40 [ 69.090755] device_add+0xc5f/0x1500 [ 69.090761] ? device_private_init+0x240/0x240 [ 69.090763] ? kfree+0x203/0x270 [ 69.090767] ? kfree_const+0x1c/0x20 [ 69.090769] ? kobject_set_name_vargs+0xb2/0x120 [ 69.090774] device_create_groups_vargs+0x1c0/0x220 [ 69.090792] device_create_vargs+0x11/0x20 [ 69.090795] bdi_register_va.part.9+0xab/0x840 [ 69.090797] ? trace_hardirqs_on_caller+0x40c/0x580 [ 69.090801] ? cgwb_kill+0x5b0/0x5b0 [ 69.090803] ? lockdep_init_map+0x105/0x550 [ 69.090806] ? lockdep_init_map+0x105/0x550 [ 69.090811] ? __init_waitqueue_head+0x96/0x140 [ 69.090847] ? init_wait_entry+0x1b0/0x1b0 [ 69.090852] ? lockdep_init_map+0x105/0x550 [ 69.090855] ? print_usage_bug+0xc0/0xc0 [ 69.090859] ? pm_runtime_init+0x463/0x560 [ 69.090867] bdi_register+0xe4/0x100 [ 69.090870] ? bdi_register_va+0x70/0x70 [ 69.090877] bdi_register_owner+0x59/0xe0 [ 69.090883] device_add_disk+0x693/0xf50 [ 69.090888] ? blk_alloc_devt+0x260/0x260 [ 69.090893] ? pointer+0xc20/0xc20 [ 69.090897] ? mark_held_locks+0xc7/0x130 [ 69.090901] ? sprintf+0x95/0xb0 [ 69.090903] ? scnprintf+0xd0/0xd0 [ 69.090907] ? lockdep_init_map+0x105/0x550 [ 69.090914] loop_add+0x612/0x8c0 [ 69.090918] ? loop_queue_rq+0x250/0x250 [ 69.090925] loop_control_ioctl+0x278/0x430 [ 69.090947] ? loop_add+0x8c0/0x8c0 [ 69.090952] ? expand_files.part.8+0x850/0x850 [ 69.090956] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 69.090960] ? vfs_write+0x221/0x4f0 [ 69.090963] ? wait_for_completion+0x850/0x850 [ 69.090968] do_vfs_ioctl+0x183/0x15a0 [ 69.090970] ? __lock_is_held+0xb5/0x140 [ 69.090974] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 69.091006] ? ioctl_preallocate+0x2b0/0x2b0 [ 69.091009] ? __fget_light+0x2a5/0x3f0 [ 69.091013] ? fget_raw+0x10/0x10 [ 69.091017] ? __sb_end_write+0xa4/0xd0 [ 69.091022] ? mutex_unlock+0xd/0x10 [ 69.091024] ? __f_unlock_pos+0xd/0x10 [ 69.091026] ? SyS_write+0x199/0x240 [ 69.091029] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 69.091035] SyS_ioctl+0x74/0x80 [ 69.091039] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 69.091043] RIP: 0033:0x459829 [ 69.091044] RSP: 002b:00007f1fd446fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.091048] RAX: ffffffffffffffda RBX: 00007f1fd446fc90 RCX: 0000000000459829 [ 69.091049] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 69.091051] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 69.091053] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1fd44706d4 [ 69.091054] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 69.091065] kobject: '7:0' (ffff8801190da650): kobject_cleanup, parent (null) [ 69.091079] kobject: '7:0' (ffff8801190da650): calling ktype release [ 69.091101] kobject: '7:0': free name [ 69.091125] kobject: 'loop0' (ffff8801190daf60): kobject_add_internal: parent: 'block', set: 'devices' [ 69.093814] kobject: 'loop0' (ffff8801190daf60): kobject_uevent_env [ 69.093818] kobject: 'loop0' (ffff8801190daf60): kobject_uevent_env: uevent_suppress caused the event to drop! [ 69.093857] kobject: 'holders' (ffff880119a3bc80): kobject_add_internal: parent: 'loop0', set: '' [ 69.093882] kobject: 'slaves' (ffff880119a3bc00): kobject_add_internal: parent: 'loop0', set: '' [ 69.093894] kobject: 'loop0' (ffff8801190daf60): kobject_uevent_env [ 69.093912] kobject: 'loop0' (ffff8801190daf60): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.094221] kobject: 'queue' (ffff88011ae8eb98): kobject_add_internal: parent: 'loop0', set: '' [ 69.097348] kobject: 'mq' (ffff88011ae8ebd8): kobject_add_internal: parent: 'loop0', set: '' [ 69.097363] kobject: 'mq' (ffff88011ae8ebd8): kobject_uevent_env [ 69.097366] kobject: 'mq' (ffff88011ae8ebd8): kobject_uevent_env: filter function caused the event to drop! [ 69.097378] kobject: '0' (ffff8801190de268): kobject_add_internal: parent: 'mq', set: '' [ 69.097443] kobject: 'cpu0' (ffffe8ffffc2b298): kobject_add_internal: parent: '0', set: '' [ 69.097472] kobject: 'cpu1' (ffffe8ffffd2b298): kobject_add_internal: parent: '0', set: '' [ 69.099630] kobject: 'queue' (ffff88011ae8eb98): kobject_uevent_env [ 69.099633] kobject: 'queue' (ffff88011ae8eb98): kobject_uevent_env: filter function caused the event to drop! [ 69.099677] kobject: 'iosched' (ffff8801190df250): kobject_add_internal: parent: 'queue', set: '' [ 69.099740] kobject: 'iosched' (ffff8801190df250): kobject_uevent_env [ 69.099743] kobject: 'iosched' (ffff8801190df250): kobject_uevent_env: filter function caused the event to drop! [ 69.099834] kasan: CONFIG_KASAN_INLINE enabled [ 69.099873] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 69.099880] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 69.099882] Modules linked in: [ 69.099888] CPU: 0 PID: 6710 Comm: syz-executor.3 Not tainted 4.12.0+ #1 [ 69.099889] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 69.099892] task: ffff88011c750000 task.stack: ffff880117c78000 [ 69.099901] RIP: 0010:sysfs_do_create_link_sd.isra.2+0x48/0xf0 [ 69.099903] RSP: 0018:ffff880117c7f9b0 EFLAGS: 00010202 [ 69.099906] RAX: dffffc0000000000 RBX: ffffffff875a07a0 RCX: 0000000000000000 [ 69.099908] RDX: 0000000000000008 RSI: ffff88011c750888 RDI: ffffffff88411c04 [ 69.099910] RBP: ffff880117c7f9d8 R08: ffff88011c7508a8 R09: 000000000000000c [ 69.099912] R10: ffff88011c750888 R11: ffff88011c750000 R12: ffff88011b0c0aa0 [ 69.099914] R13: 0000000000000040 R14: 0000000000000001 R15: ffff8801190daf60 [ 69.099918] FS: 00007f1fd4470700(0000) GS:ffff88012c000000(0000) knlGS:0000000000000000 [ 69.099920] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 69.099923] CR2: 00007ffcbf986c18 CR3: 000000010859d000 CR4: 00000000001406f0 [ 69.099929] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 69.099930] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 69.099932] Call Trace: [ 69.099938] sysfs_create_link+0x43/0xb0 [ 69.099944] ? blk_get_queue+0x3d/0x60 [ 69.099949] device_add_disk+0xafd/0xf50 [ 69.099954] ? blk_alloc_devt+0x260/0x260 [ 69.099961] ? pointer+0xc20/0xc20 [ 69.099968] ? mark_held_locks+0xc7/0x130 [ 69.099972] ? sprintf+0x95/0xb0 [ 69.099975] ? scnprintf+0xd0/0xd0 [ 69.099985] loop_add+0x612/0x8c0 [ 69.099989] ? loop_queue_rq+0x250/0x250 [ 69.099995] loop_control_ioctl+0x278/0x430 [ 69.099999] ? loop_add+0x8c0/0x8c0 [ 69.100009] ? expand_files.part.8+0x850/0x850 [ 69.100014] ? __mutex_unlock_slowpath+0xf0/0x9f0 [ 69.100018] ? vfs_write+0x221/0x4f0 [ 69.100022] ? wait_for_completion+0x850/0x850 [ 69.100027] do_vfs_ioctl+0x183/0x15a0 [ 69.100030] ? __lock_is_held+0xb5/0x140 [ 69.100034] ? rcu_dynticks_eqs_exit+0x70/0x70 [ 69.100039] ? ioctl_preallocate+0x2b0/0x2b0 [ 69.100042] ? __fget_light+0x2a5/0x3f0 [ 69.100046] ? fget_raw+0x10/0x10 [ 69.100051] ? __sb_end_write+0xa4/0xd0 [ 69.100055] ? mutex_unlock+0xd/0x10 [ 69.100058] ? __f_unlock_pos+0xd/0x10 [ 69.100061] ? SyS_write+0x199/0x240 [ 69.100065] ? entry_SYSCALL_64_fastpath+0x5/0xc2 [ 69.100070] SyS_ioctl+0x74/0x80 [ 69.100075] entry_SYSCALL_64_fastpath+0x23/0xc2 [ 69.100078] RIP: 0033:0x459829 [ 69.100080] RSP: 002b:00007f1fd446fc78 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 69.100084] RAX: ffffffffffffffda RBX: 00007f1fd446fc90 RCX: 0000000000459829 [ 69.100086] RDX: 0000000000000000 RSI: 0000000000004c80 RDI: 0000000000000003 [ 69.100087] RBP: 0000000000000082 R08: 0000000000000000 R09: 0000000000000000 [ 69.100089] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f1fd44706d4 [ 69.100091] R13: 00000000004c871d R14: 00000000004df438 R15: 00000000ffffffff [ 69.100098] Code: 41 55 49 89 f5 41 54 49 89 fc 48 c7 c7 00 1c 41 88 53 48 89 d3 e8 e9 55 36 05 4c 89 ea 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 86 00 00 00 4d 8b 6d 00 4d 85 ed 74 52 4c 89 [ 69.100165] RIP: sysfs_do_create_link_sd.isra.2+0x48/0xf0 RSP: ffff880117c7f9b0 [ 69.100305] ---[ end trace f1d897357896ea32 ]--- [ 69.100308] Kernel panic - not syncing: Fatal exception [ 69.103264] Kernel Offset: disabled [ 76.173204] Rebooting in 86400 seconds..