[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 28.805184] kauditd_printk_skb: 7 callbacks suppressed [ 28.805198] audit: type=1800 audit(1543242399.476:29): pid=5906 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 28.831665] audit: type=1800 audit(1543242399.476:30): pid=5906 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 33.436889] sshd (6043) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.12' (ECDSA) to the list of known hosts. 2018/11/26 14:27:35 parsed 1 programs 2018/11/26 14:27:38 executed programs: 0 [ 87.737000] IPVS: ftp: loaded support on port[0] = 21 [ 87.742554] IPVS: ftp: loaded support on port[0] = 21 [ 87.758154] IPVS: ftp: loaded support on port[0] = 21 [ 87.758251] IPVS: ftp: loaded support on port[0] = 21 [ 87.797364] IPVS: ftp: loaded support on port[0] = 21 [ 87.803648] IPVS: ftp: loaded support on port[0] = 21 [ 89.081063] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.087538] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.104826] device bridge_slave_0 entered promiscuous mode [ 89.139504] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.149973] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.157331] device bridge_slave_0 entered promiscuous mode [ 89.178606] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.187575] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.195654] device bridge_slave_1 entered promiscuous mode [ 89.226782] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.239493] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.248205] device bridge_slave_0 entered promiscuous mode [ 89.257217] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.263885] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.272001] device bridge_slave_1 entered promiscuous mode [ 89.288285] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.294906] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.303258] device bridge_slave_0 entered promiscuous mode [ 89.312776] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.319213] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.330093] device bridge_slave_0 entered promiscuous mode [ 89.339178] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 89.350554] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 89.361883] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.368237] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.381018] device bridge_slave_1 entered promiscuous mode [ 89.392295] bridge0: port 1(bridge_slave_0) entered blocking state [ 89.398708] bridge0: port 1(bridge_slave_0) entered disabled state [ 89.410621] device bridge_slave_0 entered promiscuous mode [ 89.419153] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.427805] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.435657] device bridge_slave_1 entered promiscuous mode [ 89.444018] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 89.455950] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 89.465372] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 89.476127] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.483950] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.508188] device bridge_slave_1 entered promiscuous mode [ 89.517317] bridge0: port 2(bridge_slave_1) entered blocking state [ 89.524226] bridge0: port 2(bridge_slave_1) entered disabled state [ 89.532024] device bridge_slave_1 entered promiscuous mode [ 89.540871] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 89.551528] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 89.588899] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 89.625789] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 89.666987] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 89.691926] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 89.723251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 89.736306] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 89.749487] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 89.788680] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 89.804129] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 89.844587] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 89.866981] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 89.899493] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 89.910795] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 89.924763] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 89.949879] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.961216] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 89.979551] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 89.993847] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 90.005032] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.015811] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.027032] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 90.037853] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 90.050410] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 90.059603] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.074969] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.092918] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.113335] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 90.127016] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 90.147957] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 90.165032] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 90.181507] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 90.316851] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 90.330416] team0: Port device team_slave_0 added [ 90.344546] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 90.354295] team0: Port device team_slave_0 added [ 90.399904] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 90.408265] team0: Port device team_slave_0 added [ 90.420366] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 90.427552] team0: Port device team_slave_1 added [ 90.448079] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 90.457582] team0: Port device team_slave_1 added [ 90.479344] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 90.490781] team0: Port device team_slave_0 added [ 90.502324] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.528484] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 90.543073] team0: Port device team_slave_1 added [ 90.548977] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.561460] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 90.574550] team0: Port device team_slave_0 added [ 90.584339] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 90.593065] team0: Port device team_slave_1 added [ 90.599485] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 90.610908] team0: Port device team_slave_0 added [ 90.628320] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.640500] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.648259] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.684377] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 90.701295] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.710047] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.721385] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.730922] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 90.738367] team0: Port device team_slave_1 added [ 90.747908] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 90.757406] team0: Port device team_slave_1 added [ 90.767327] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 90.783290] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.792051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.801197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.815748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 90.834287] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 90.842014] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 90.851754] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 90.862526] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 90.870441] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 90.878825] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 90.893387] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.908829] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.917084] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 90.925946] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 90.933823] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 90.941635] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 90.949899] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 90.962120] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 90.972764] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 90.981643] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 90.994229] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 91.010714] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.025271] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.033196] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 91.041115] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.049323] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.067256] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 91.093189] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.107120] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.116248] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 91.125045] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 91.136495] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.144248] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.161016] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 91.168116] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.178468] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.203711] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.215169] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.223420] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 91.231172] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 91.247801] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.262902] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 91.276988] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.290702] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.307841] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 91.316264] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 91.849356] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.855903] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.862973] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.869355] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.881940] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 91.894822] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.901254] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.907897] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.914316] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.924637] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 91.934509] bridge0: port 2(bridge_slave_1) entered blocking state [ 91.940928] bridge0: port 2(bridge_slave_1) entered forwarding state [ 91.947581] bridge0: port 1(bridge_slave_0) entered blocking state [ 91.954015] bridge0: port 1(bridge_slave_0) entered forwarding state [ 91.962484] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.028195] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.034588] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.041311] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.047693] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.056161] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.115405] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.121825] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.128515] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.134935] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.143553] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.152381] bridge0: port 2(bridge_slave_1) entered blocking state [ 92.158754] bridge0: port 2(bridge_slave_1) entered forwarding state [ 92.165582] bridge0: port 1(bridge_slave_0) entered blocking state [ 92.172014] bridge0: port 1(bridge_slave_0) entered forwarding state [ 92.179552] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 92.856112] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.866219] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.875049] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.882481] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.890605] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 92.897678] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 94.840109] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.863388] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.903992] 8021q: adding VLAN 0 to HW filter on device bond0 [ 94.984331] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.035863] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.112974] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.138217] 8021q: adding VLAN 0 to HW filter on device bond0 [ 95.152359] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.160613] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.277507] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.293290] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.373057] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.382109] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 95.388539] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.399404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.415237] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.432595] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.440612] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.448189] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.457237] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.470610] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.605742] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.615035] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.625705] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.636080] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.644649] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.660530] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.670755] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 95.683235] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 95.691637] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 95.749510] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.769199] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.798033] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.903636] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.917908] 8021q: adding VLAN 0 to HW filter on device team0 [ 95.939456] 8021q: adding VLAN 0 to HW filter on device team0 2018/11/26 14:27:48 executed programs: 6 2018/11/26 14:27:54 executed programs: 42 2018/11/26 14:28:00 executed programs: 78 2018/11/26 14:28:05 executed programs: 114 [ 115.170133] [ 115.171806] ===================================================== [ 115.178033] WARNING: SOFTIRQ-safe -> SOFTIRQ-unsafe lock order detected [ 115.184782] 4.20.0-rc4+ #253 Not tainted [ 115.188833] ----------------------------------------------------- [ 115.195049] syz-executor5/8195 [HC0[0]:SC0[0]:HE0:SE1] is trying to acquire: [ 115.202212] 000000007b8d590b (&ctx->fd_wqh){....}, at: aio_poll+0x760/0x1420 [ 115.209392] [ 115.209392] and this task is already holding: [ 115.215354] 00000000b203d150 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 115.223576] which would create a new lock dependency: [ 115.228752] (&(&ctx->ctx_lock)->rlock){..-.} -> (&ctx->fd_wqh){....} [ 115.235319] [ 115.235319] but this new dependency connects a SOFTIRQ-irq-safe lock: [ 115.243351] (&(&ctx->ctx_lock)->rlock){..-.} [ 115.243357] [ 115.243357] ... which became SOFTIRQ-irq-safe at: [ 115.254143] lock_acquire+0x1ed/0x520 [ 115.258025] _raw_spin_lock_irq+0x61/0x80 [ 115.262238] free_ioctx_users+0xbc/0x710 [ 115.266371] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 115.271894] rcu_process_callbacks+0x100a/0x1ac0 [ 115.276721] __do_softirq+0x308/0xb7e [ 115.280589] irq_exit+0x17f/0x1c0 [ 115.284118] smp_apic_timer_interrupt+0x1cb/0x760 [ 115.289041] apic_timer_interrupt+0xf/0x20 [ 115.293343] native_safe_halt+0x6/0x10 [ 115.297328] default_idle+0xbf/0x490 [ 115.301109] arch_cpu_idle+0x10/0x20 [ 115.304889] default_idle_call+0x6d/0x90 [ 115.309047] do_idle+0x49b/0x5c0 [ 115.312513] cpu_startup_entry+0x18/0x20 [ 115.316656] rest_init+0x243/0x372 [ 115.320303] arch_call_rest_init+0xe/0x1b [ 115.324516] start_kernel+0x9f0/0xa2b [ 115.328387] x86_64_start_reservations+0x2e/0x30 [ 115.333210] x86_64_start_kernel+0x76/0x79 [ 115.337524] secondary_startup_64+0xa4/0xb0 [ 115.341955] [ 115.341955] to a SOFTIRQ-irq-unsafe lock: [ 115.347564] (&ctx->fault_pending_wqh){+.+.} [ 115.347570] [ 115.347570] ... which became SOFTIRQ-irq-unsafe at: [ 115.358455] ... [ 115.358464] lock_acquire+0x1ed/0x520 [ 115.364203] _raw_spin_lock+0x2d/0x40 [ 115.368072] userfaultfd_release+0x63e/0x8d0 [ 115.372554] __fput+0x385/0xa30 [ 115.375918] ____fput+0x15/0x20 [ 115.379267] task_work_run+0x1e8/0x2a0 [ 115.383226] exit_to_usermode_loop+0x318/0x380 [ 115.387877] do_fast_syscall_32+0xcd5/0xfb2 [ 115.392267] entry_SYSENTER_compat+0x70/0x7f [ 115.396738] [ 115.396738] other info that might help us debug this: [ 115.396738] [ 115.404876] Chain exists of: [ 115.404876] &(&ctx->ctx_lock)->rlock --> &ctx->fd_wqh --> &ctx->fault_pending_wqh [ 115.404876] [ 115.417013] Possible interrupt unsafe locking scenario: [ 115.417013] [ 115.423917] CPU0 CPU1 [ 115.428583] ---- ---- [ 115.433231] lock(&ctx->fault_pending_wqh); [ 115.437620] local_irq_disable(); [ 115.443654] lock(&(&ctx->ctx_lock)->rlock); [ 115.450650] lock(&ctx->fd_wqh); [ 115.456611] [ 115.459342] lock(&(&ctx->ctx_lock)->rlock); [ 115.463987] [ 115.463987] *** DEADLOCK *** [ 115.463987] [ 115.470026] 1 lock held by syz-executor5/8195: [ 115.474582] #0: 00000000b203d150 (&(&ctx->ctx_lock)->rlock){..-.}, at: aio_poll+0x738/0x1420 [ 115.483235] [ 115.483235] the dependencies between SOFTIRQ-irq-safe lock and the holding lock: [ 115.492243] -> (&(&ctx->ctx_lock)->rlock){..-.} { [ 115.497069] IN-SOFTIRQ-W at: [ 115.500335] lock_acquire+0x1ed/0x520 [ 115.505768] _raw_spin_lock_irq+0x61/0x80 [ 115.511544] free_ioctx_users+0xbc/0x710 [ 115.517237] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 115.524316] rcu_process_callbacks+0x100a/0x1ac0 [ 115.530706] __do_softirq+0x308/0xb7e [ 115.536143] irq_exit+0x17f/0x1c0 [ 115.541225] smp_apic_timer_interrupt+0x1cb/0x760 [ 115.547704] apic_timer_interrupt+0xf/0x20 [ 115.553569] native_safe_halt+0x6/0x10 [ 115.559088] default_idle+0xbf/0x490 [ 115.564432] arch_cpu_idle+0x10/0x20 [ 115.569786] default_idle_call+0x6d/0x90 [ 115.575479] do_idle+0x49b/0x5c0 [ 115.580477] cpu_startup_entry+0x18/0x20 [ 115.586167] rest_init+0x243/0x372 [ 115.591337] arch_call_rest_init+0xe/0x1b [ 115.597115] start_kernel+0x9f0/0xa2b [ 115.602550] x86_64_start_reservations+0x2e/0x30 [ 115.608942] x86_64_start_kernel+0x76/0x79 [ 115.614810] secondary_startup_64+0xa4/0xb0 [ 115.620755] INITIAL USE at: [ 115.623938] lock_acquire+0x1ed/0x520 [ 115.629295] _raw_spin_lock_irq+0x61/0x80 [ 115.634989] free_ioctx_users+0xbc/0x710 [ 115.640595] percpu_ref_switch_to_atomic_rcu+0x563/0x730 [ 115.647595] rcu_process_callbacks+0x100a/0x1ac0 [ 115.653922] __do_softirq+0x308/0xb7e [ 115.659265] run_ksoftirqd+0x5e/0x100 [ 115.664610] smpboot_thread_fn+0x68b/0xa00 [ 115.670390] kthread+0x35a/0x440 [ 115.675302] ret_from_fork+0x3a/0x50 [ 115.680553] } [ 115.682343] ... key at: [] __key.51037+0x0/0x40 [ 115.689070] ... acquired at: [ 115.692159] lock_acquire+0x1ed/0x520 [ 115.696138] _raw_spin_lock+0x2d/0x40 [ 115.700120] aio_poll+0x760/0x1420 [ 115.703830] io_submit_one+0xa49/0xf80 [ 115.707873] __ia32_compat_sys_io_submit+0x1b4/0x580 [ 115.713166] do_fast_syscall_32+0x34d/0xfb2 [ 115.717682] entry_SYSENTER_compat+0x70/0x7f [ 115.722271] [ 115.723877] [ 115.723877] the dependencies between the lock to be acquired [ 115.723881] and SOFTIRQ-irq-unsafe lock: [ 115.735252] -> (&ctx->fault_pending_wqh){+.+.} { [ 115.740091] HARDIRQ-ON-W at: [ 115.743440] lock_acquire+0x1ed/0x520 [ 115.749054] _raw_spin_lock+0x2d/0x40 [ 115.754663] userfaultfd_release+0x63e/0x8d0 [ 115.760886] __fput+0x385/0xa30 [ 115.765970] ____fput+0x15/0x20 [ 115.771088] task_work_run+0x1e8/0x2a0 [ 115.776795] exit_to_usermode_loop+0x318/0x380 [ 115.783195] do_fast_syscall_32+0xcd5/0xfb2 [ 115.789322] entry_SYSENTER_compat+0x70/0x7f [ 115.795529] SOFTIRQ-ON-W at: [ 115.798881] lock_acquire+0x1ed/0x520 [ 115.804484] _raw_spin_lock+0x2d/0x40 [ 115.810099] userfaultfd_release+0x63e/0x8d0 [ 115.816327] __fput+0x385/0xa30 [ 115.821410] ____fput+0x15/0x20 [ 115.826529] task_work_run+0x1e8/0x2a0 [ 115.832221] exit_to_usermode_loop+0x318/0x380 [ 115.838609] do_fast_syscall_32+0xcd5/0xfb2 [ 115.844744] entry_SYSENTER_compat+0x70/0x7f [ 115.850959] INITIAL USE at: [ 115.854221] lock_acquire+0x1ed/0x520 [ 115.859739] _raw_spin_lock+0x2d/0x40 [ 115.865257] userfaultfd_ctx_read+0x4f3/0x2180 [ 115.871567] userfaultfd_read+0x1e2/0x2c0 [ 115.877460] __vfs_read+0x117/0x9b0 [ 115.882820] vfs_read+0x17f/0x3c0 [ 115.888020] ksys_read+0x101/0x260 [ 115.893277] __ia32_sys_read+0x71/0xb0 [ 115.898899] do_fast_syscall_32+0x34d/0xfb2 [ 115.904977] entry_SYSENTER_compat+0x70/0x7f [ 115.911126] } [ 115.913023] ... key at: [] __key.44641+0x0/0x40 [ 115.919844] ... acquired at: [ 115.923022] _raw_spin_lock+0x2d/0x40 [ 115.926976] userfaultfd_ctx_read+0x4f3/0x2180 [ 115.931763] userfaultfd_read+0x1e2/0x2c0 [ 115.936084] __vfs_read+0x117/0x9b0 [ 115.939874] vfs_read+0x17f/0x3c0 [ 115.943482] ksys_read+0x101/0x260 [ 115.947186] __ia32_sys_read+0x71/0xb0 [ 115.951257] do_fast_syscall_32+0x34d/0xfb2 [ 115.955732] entry_SYSENTER_compat+0x70/0x7f [ 115.960290] [ 115.961896] -> (&ctx->fd_wqh){....} { [ 115.965683] INITIAL USE at: [ 115.968890] lock_acquire+0x1ed/0x520 [ 115.974246] _raw_spin_lock_irq+0x61/0x80 [ 115.979974] userfaultfd_ctx_read+0x2e4/0x2180 [ 115.986137] userfaultfd_read+0x1e2/0x2c0 [ 115.991844] __vfs_read+0x117/0x9b0 [ 115.997016] vfs_read+0x17f/0x3c0 [ 116.002015] ksys_read+0x101/0x260 [ 116.007098] __ia32_sys_read+0x71/0xb0 [ 116.012544] do_fast_syscall_32+0x34d/0xfb2 [ 116.018410] entry_SYSENTER_compat+0x70/0x7f [ 116.024357] } [ 116.026143] ... key at: [] __key.44644+0x0/0x40 [ 116.032872] ... acquired at: [ 116.035960] lock_acquire+0x1ed/0x520 [ 116.039916] _raw_spin_lock+0x2d/0x40 [ 116.043868] aio_poll+0x760/0x1420 [ 116.047576] io_submit_one+0xa49/0xf80 [ 116.051646] __ia32_compat_sys_io_submit+0x1b4/0x580 [ 116.056906] do_fast_syscall_32+0x34d/0xfb2 [ 116.061393] entry_SYSENTER_compat+0x70/0x7f [ 116.065965] [ 116.067571] [ 116.067571] stack backtrace: [ 116.072054] CPU: 1 PID: 8195 Comm: syz-executor5 Not tainted 4.20.0-rc4+ #253 [ 116.079305] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 116.088639] Call Trace: [ 116.091210] dump_stack+0x244/0x39d [ 116.094822] ? dump_stack_print_info.cold.1+0x20/0x20 [ 116.099999] ? print_shortest_lock_dependencies.cold.55+0x18e/0x211 [ 116.106417] ? vprintk_func+0x85/0x181 [ 116.110286] check_usage.cold.58+0x6d5/0xad1 [ 116.114686] ? check_usage_forwards+0x3d0/0x3d0 [ 116.119350] ? __lock_acquire+0x62f/0x4c20 [ 116.123568] ? __schedule+0x8d7/0x21d0 [ 116.127455] ? lockdep_on+0x50/0x50 [ 116.131075] ? mark_held_locks+0x130/0x130 [ 116.135293] ? __lock_acquire+0x62f/0x4c20 [ 116.139509] ? zap_class+0x640/0x640 [ 116.143209] ? trace_event_raw_event_lock_acquire+0x440/0x440 [ 116.149078] __lock_acquire+0x238a/0x4c20 [ 116.153209] ? __lock_acquire+0x238a/0x4c20 [ 116.157517] ? mark_held_locks+0x130/0x130 [ 116.161735] ? zap_class+0x640/0x640 [ 116.165432] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 116.170520] ? find_held_lock+0x36/0x1c0 [ 116.174579] ? add_wait_queue+0x1b9/0x2b0 [ 116.178708] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 116.183795] ? _raw_spin_unlock_irqrestore+0x82/0xd0 [ 116.188880] ? lockdep_hardirqs_on+0x3bb/0x5b0 [ 116.193452] ? trace_hardirqs_on+0xbd/0x310 [ 116.197758] ? kasan_check_read+0x11/0x20 [ 116.201900] ? add_wait_queue+0x1b9/0x2b0 [ 116.206075] ? trace_hardirqs_off_caller+0x310/0x310 [ 116.211177] ? rcu_softirq_qs+0x20/0x20 [ 116.215139] ? _raw_spin_unlock_irqrestore+0x6d/0xd0 [ 116.220240] ? add_wait_queue+0x1b9/0x2b0 [ 116.224372] ? __wake_up_locked_key_bookmark+0x20/0x20 [ 116.229652] lock_acquire+0x1ed/0x520 [ 116.233472] ? aio_poll+0x760/0x1420 [ 116.237197] ? lock_release+0xa00/0xa00 [ 116.241182] ? kasan_check_read+0x11/0x20 [ 116.245309] ? do_raw_spin_lock+0x14f/0x350 [ 116.249617] ? __ia32_sys_eventfd+0x40/0x40 [ 116.253932] ? rwlock_bug.part.2+0x90/0x90 [ 116.258165] ? trace_hardirqs_on+0x310/0x310 [ 116.262557] ? __save_stack_trace+0x8d/0xf0 [ 116.266890] _raw_spin_lock+0x2d/0x40 [ 116.270717] ? aio_poll+0x760/0x1420 [ 116.274423] aio_poll+0x760/0x1420 [ 116.277951] ? free_ioctx_users+0x710/0x710 [ 116.282277] ? kmem_cache_alloc+0x12e/0x730 [ 116.286595] ? aio_setup_rw+0x170/0x170 [ 116.290552] ? zap_class+0x640/0x640 [ 116.294264] ? mark_held_locks+0x130/0x130 [ 116.298481] ? zap_class+0x640/0x640 [ 116.302194] ? find_held_lock+0x36/0x1c0 [ 116.306251] ? find_held_lock+0x36/0x1c0 [ 116.310292] ? __might_fault+0x12b/0x1e0 [ 116.314487] ? lock_downgrade+0x900/0x900 [ 116.318618] ? lock_release+0xa00/0xa00 [ 116.322571] ? perf_trace_sched_process_exec+0x860/0x860 [ 116.328002] ? kasan_check_read+0x11/0x20 [ 116.332136] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 116.337409] io_submit_one+0xa49/0xf80 [ 116.341288] ? io_submit_one+0xa49/0xf80 [ 116.345329] ? aio_poll+0x1420/0x1420 [ 116.349120] ? __might_fault+0x12b/0x1e0 [ 116.353166] ? lock_downgrade+0x900/0x900 [ 116.357295] ? perf_trace_sched_process_exec+0x860/0x860 [ 116.362732] __ia32_compat_sys_io_submit+0x1b4/0x580 [ 116.367815] ? __ia32_sys_io_submit+0x570/0x570 [ 116.372474] ? trace_hardirqs_on+0xbd/0x310 [ 116.376778] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 116.382297] ? entry_SYSENTER_compat+0x70/0x7f [ 116.386861] ? trace_hardirqs_off_caller+0x310/0x310 [ 116.391979] do_fast_syscall_32+0x34d/0xfb2 [ 116.396283] ? __ia32_sys_io_submit+0x570/0x570 [ 116.400934] ? do_fast_syscall_32+0x34d/0xfb2 [ 116.405413] ? do_int80_syscall_32+0x890/0x890 [ 116.409977] ? entry_SYSENTER_compat+0x68/0x7f [ 116.414541] ? trace_hardirqs_off_caller+0xbb/0x310 [ 116.419540] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 116.424364] ? trace_hardirqs_on_caller+0x310/0x310 [ 116.429370] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 116.434371] ? post_copy_siginfo_from_user.isra.25.part.26+0x250/0x250 [ 116.441017] ? __switch_to_asm+0x40/0x70 [ 116.445058] ? __switch_to_asm+0x34/0x70 [ 116.449118] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 116.454168] entry_SYSENTER_compat+0x70/0x7f [ 116.458569] RIP: 0023:0xf7f2ca29 [ 116.461932] Code: 85 d2 74 02 89 0a 5b 5d c3 8b 04 24 c3 8b 14 24 c3 8b 3c 24 c3 90 90 90 90 90 90 90 90 90 90 90 90 51 52 55 89 e5 0f 34 cd 80 <5d> 5a 59 c3 90 90 90 90 eb 0d 90 90 90 90 90 90 90 90 90 90 90 90 [ 116.480825] RSP: 002b:00000000f7ee50cc EFLAGS: 00000296 ORIG_RAX: 00000000000000f8 [ 116.488526] RAX: ffffffffffffffda RBX: 00000000f7f07000 RCX: 0000000000000001 [ 116.495800] RDX: 0000000020000b00 RSI: 0000000000000000 RDI: 0000000000000000 [ 116.503079] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 116.510328] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 116.517576] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 116.543370] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 116.550004] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 116.582746] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 116.589186] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 116.621170] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 116.629814] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 116.640028] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 116.646597] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 116.656639] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 116.663743] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 116.673740] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 116.680325] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 117.472653] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 117.480349] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 117.532667] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 117.541325] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 117.560531] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 117.570805] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 117.582620] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 117.589037] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 117.598903] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 117.605758] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 117.615631] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 117.622097] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 118.413519] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 118.420054] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 118.453128] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 118.460610] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 118.476926] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 118.483545] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 118.493392] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 118.499856] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 118.516071] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 118.524335] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 118.534709] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 118.541615] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 119.352755] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 119.359552] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 119.385091] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 119.391716] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 119.403749] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 119.410840] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 119.421404] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 119.428653] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 119.445244] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 119.454826] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 119.466414] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 119.473062] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' 2018/11/26 14:28:10 executed programs: 139 [ 120.272821] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 120.279409] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 120.291791] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 120.298490] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 120.327808] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 120.334416] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 120.354250] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 120.362268] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 120.377343] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 120.383962] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 120.398642] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 120.405705] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 121.202436] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 121.210367] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 121.225832] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 121.234411] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 121.249468] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 121.256626] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 121.277445] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 121.285891] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 121.300391] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 121.308978] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 121.319297] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 121.325937] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 122.134516] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 122.141082] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 122.155328] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 122.162038] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 122.175912] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 122.188193] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 122.199597] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 122.206826] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 122.223584] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 122.233597] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 122.246521] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 122.253772] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 123.063114] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 123.070030] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 123.091184] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 123.097649] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 123.109299] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 123.117109] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 123.128663] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 123.139996] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 123.156131] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 123.163425] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 123.180164] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 123.186752] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 124.024051] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 124.030606] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 124.042647] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 124.050333] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 124.067658] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 124.074817] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 124.087107] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 124.093646] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 124.105582] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 124.112256] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 124.122184] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 124.128658] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 124.966353] kobject: 'loop4' (00000000f89e9848): kobject_uevent_env [ 124.978783] kobject: 'loop4' (00000000f89e9848): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 124.990080] kobject: 'loop2' (00000000c7e2f080): kobject_uevent_env [ 125.000590] kobject: 'loop2' (00000000c7e2f080): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 125.015618] kobject: 'loop0' (0000000014c1e553): kobject_uevent_env [ 125.029430] kobject: 'loop0' (0000000014c1e553): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 125.040776] kobject: 'loop1' (00000000f62edc0b): kobject_uevent_env [ 125.047280] kobject: 'loop1' (00000000f62edc0b): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 125.057503] kobject: 'loop3' (0000000046c1b7f0): kobject_uevent_env [ 125.064249] kobject: 'loop3' (0000000046c1b7f0): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 125.074855] kobject: 'loop5' (0000000048713f07): kobject_uevent_env [ 125.085335] kobject: 'loop5' (0000000048713f07): fill_kobj_path: path = '/devices/virtual/block/loop5'