[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[ 31.705978] kauditd_printk_skb: 9 callbacks suppressed [?25l[?1c7[1[ 31.705989] audit: type=1800 audit(1542770740.573:33): pid=5977 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 G[ ok 8[?25h[?0c[ 31.737004] audit: type=1800 audit(1542770740.583:34): pid=5977 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 . Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 36.500426] audit: type=1400 audit(1542770745.373:35): avc: denied { map } for pid=6152 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.10.1' (ECDSA) to the list of known hosts. [ 49.882474] audit: type=1400 audit(1542770758.753:36): avc: denied { map } for pid=6166 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16481 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/11/21 03:25:59 parsed 1 programs [ 50.422454] audit: type=1400 audit(1542770759.293:37): avc: denied { map } for pid=6166 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1101 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2018/11/21 03:26:01 executed programs: 0 [ 52.394229] IPVS: ftp: loaded support on port[0] = 21 [ 52.394344] IPVS: ftp: loaded support on port[0] = 21 [ 52.404296] IPVS: ftp: loaded support on port[0] = 21 [ 52.415479] IPVS: ftp: loaded support on port[0] = 21 [ 52.417366] IPVS: ftp: loaded support on port[0] = 21 [ 52.432028] IPVS: ftp: loaded support on port[0] = 21 [ 53.497486] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.510635] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.519314] device bridge_slave_0 entered promiscuous mode [ 53.603173] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.616023] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.630088] device bridge_slave_1 entered promiscuous mode [ 53.666079] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.676874] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.685206] device bridge_slave_0 entered promiscuous mode [ 53.696448] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.706305] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.713831] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.721976] device bridge_slave_0 entered promiscuous mode [ 53.729915] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.736278] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.745755] device bridge_slave_0 entered promiscuous mode [ 53.755858] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.765144] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.773172] device bridge_slave_0 entered promiscuous mode [ 53.783083] bridge0: port 1(bridge_slave_0) entered blocking state [ 53.789690] bridge0: port 1(bridge_slave_0) entered disabled state [ 53.798711] device bridge_slave_0 entered promiscuous mode [ 53.809000] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 53.820307] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.828217] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.835553] device bridge_slave_1 entered promiscuous mode [ 53.845706] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.856773] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.865112] device bridge_slave_1 entered promiscuous mode [ 53.875735] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.883916] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.892371] device bridge_slave_1 entered promiscuous mode [ 53.900629] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.907003] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.915688] device bridge_slave_1 entered promiscuous mode [ 53.934306] bridge0: port 2(bridge_slave_1) entered blocking state [ 53.941577] bridge0: port 2(bridge_slave_1) entered disabled state [ 53.949853] device bridge_slave_1 entered promiscuous mode [ 53.963744] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.973358] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 53.983404] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.004156] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.029585] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 54.037046] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.054519] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.069789] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.080762] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.103378] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.131487] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 54.232001] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.301926] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.309914] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.328739] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.337976] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.359615] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.370359] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.389984] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.400317] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 54.407953] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 54.433007] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 54.453676] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.480060] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.497475] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.526341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.537543] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.573434] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 54.615606] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 54.636890] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 54.694178] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.702248] team0: Port device team_slave_0 added [ 54.746586] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.768176] team0: Port device team_slave_1 added [ 54.824586] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.838941] team0: Port device team_slave_0 added [ 54.876298] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 54.888369] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.901513] team0: Port device team_slave_0 added [ 54.910296] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.920137] team0: Port device team_slave_1 added [ 54.941132] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.953016] team0: Port device team_slave_0 added [ 54.962969] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 54.979011] team0: Port device team_slave_0 added [ 54.985104] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 54.993058] team0: Port device team_slave_1 added [ 55.004288] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.036767] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.046488] team0: Port device team_slave_1 added [ 55.056313] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.066033] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.077632] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.094086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.116957] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.130639] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.155484] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.164244] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.172192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.182268] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.189642] team0: Port device team_slave_1 added [ 55.197258] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.208355] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.222968] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.238629] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 55.246062] team0: Port device team_slave_0 added [ 55.260076] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.270476] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.279157] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.287088] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.295269] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.304869] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.316813] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.334502] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.345940] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 55.354866] team0: Port device team_slave_1 added [ 55.362078] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.372305] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.382726] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.391256] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.399636] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.407489] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.416039] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.424971] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.446688] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 55.459053] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.466174] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.478396] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.495550] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 55.504777] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 55.513301] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.521823] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.530179] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.542746] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.555939] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.571496] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.586155] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.595395] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.604046] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.612031] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.623689] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.637840] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 55.649160] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.662127] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 55.678979] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 55.697333] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.705708] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.721216] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 55.735577] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.743419] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 55.756957] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 55.772866] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.781596] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 55.797129] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 55.824014] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 55.837400] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 56.317617] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.324159] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.331260] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.337639] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.354208] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.366803] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.373220] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.379930] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.386299] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.394934] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.401754] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.408177] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.414861] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.421302] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.429873] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.505705] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.512157] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.518878] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.525247] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.534174] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.726723] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.733153] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.739889] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.746268] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.763333] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 56.773402] bridge0: port 2(bridge_slave_1) entered blocking state [ 56.779823] bridge0: port 2(bridge_slave_1) entered forwarding state [ 56.786417] bridge0: port 1(bridge_slave_0) entered blocking state [ 56.792847] bridge0: port 1(bridge_slave_0) entered forwarding state [ 56.804851] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 57.276118] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.289825] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.297051] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.310287] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.317504] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 57.326391] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 59.309503] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.319556] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.413804] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.566859] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.577730] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.618627] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.652231] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.758237] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.856397] 8021q: adding VLAN 0 to HW filter on device bond0 [ 59.866050] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 59.884411] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.897445] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.907428] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.928798] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.935981] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 59.953937] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 59.963436] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 59.985693] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.003584] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.049297] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.165179] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.183514] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.197803] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.223773] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.232088] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.252832] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.262920] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 60.359729] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.375358] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.383941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.482302] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.557300] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 60.569244] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 60.586893] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 60.657329] 8021q: adding VLAN 0 to HW filter on device team0 [ 60.861323] 8021q: adding VLAN 0 to HW filter on device team0 [ 61.751057] audit: type=1400 audit(1542770770.623:38): avc: denied { associate } for pid=6189 comm="syz-executor2" name="syz2" scontext=unconfined_u:object_r:unlabeled_t:s0 tcontext=system_u:object_r:unlabeled_t:s0 tclass=filesystem permissive=1 [ 61.952170] [ 61.953846] ====================================================== [ 61.960156] WARNING: possible circular locking dependency detected [ 61.966475] 4.20.0-rc3+ #122 Not tainted [ 61.970555] ------------------------------------------------------ [ 61.976874] syz-executor2/7689 is trying to acquire lock: [ 61.982406] 0000000075c636ee ((wq_completion)"dio/%s"sb->s_id){+.+.}, at: flush_workqueue+0x2db/0x1e10 [ 61.991882] [ 61.991882] but task is already holding lock: [ 61.997860] 00000000d99009fb (&sb->s_type->i_mutex_key#9){+.+.}, at: ext4_file_write_iter+0x2a1/0x1420 [ 62.007337] [ 62.007337] which lock already depends on the new lock. [ 62.007337] [ 62.015667] [ 62.015667] the existing dependency chain (in reverse order) is: [ 62.023288] [ 62.023288] -> #2 (&sb->s_type->i_mutex_key#9){+.+.}: [ 62.029985] down_write+0x8a/0x130 [ 62.034068] __generic_file_fsync+0xb5/0x200 [ 62.039010] ext4_sync_file+0xa4f/0x1510 [ 62.043598] vfs_fsync_range+0x140/0x220 [ 62.048184] dio_complete+0x75c/0x9e0 [ 62.049296] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 62.052512] dio_aio_complete_work+0x20/0x30 [ 62.063845] process_one_work+0xc90/0x1c40 [ 62.064588] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 62.068602] worker_thread+0x17f/0x1390 [ 62.068617] kthread+0x35a/0x440 [ 62.068628] ret_from_fork+0x3a/0x50 [ 62.068632] [ 62.068632] -> #1 ((work_completion)(&dio->complete_work)){+.+.}: [ 62.068663] process_one_work+0xc0a/0x1c40 [ 62.068679] worker_thread+0x17f/0x1390 [ 62.107662] kthread+0x35a/0x440 [ 62.111561] ret_from_fork+0x3a/0x50 [ 62.115793] [ 62.115793] -> #0 ((wq_completion)"dio/%s"sb->s_id){+.+.}: [ 62.122924] lock_acquire+0x1ed/0x520 [ 62.127260] flush_workqueue+0x30a/0x1e10 [ 62.131931] drain_workqueue+0x2a9/0x640 [ 62.136518] destroy_workqueue+0xc6/0x9c0 [ 62.141193] sb_init_dio_done_wq+0x74/0x90 [ 62.145957] do_blockdev_direct_IO+0x1325/0x9db0 [ 62.151236] __blockdev_direct_IO+0x9d/0xc6 [ 62.156083] ext4_direct_IO+0xbe6/0x2230 [ 62.160681] generic_file_direct_write+0x275/0x4b0 [ 62.166140] __generic_file_write_iter+0x2ff/0x630 [ 62.171596] ext4_file_write_iter+0x390/0x1420 [ 62.176705] aio_write+0x3b1/0x610 [ 62.180771] io_submit_one+0xaa1/0xf80 [ 62.185180] __x64_sys_io_submit+0x1b7/0x580 [ 62.190117] do_syscall_64+0x1b9/0x820 [ 62.194531] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.200236] [ 62.200236] other info that might help us debug this: [ 62.200236] [ 62.208383] Chain exists of: [ 62.208383] (wq_completion)"dio/%s"sb->s_id --> (work_completion)(&dio->complete_work) --> &sb->s_type->i_mutex_key#9 [ 62.208383] [ 62.223679] Possible unsafe locking scenario: [ 62.223679] [ 62.229737] CPU0 CPU1 [ 62.234398] ---- ---- [ 62.239059] lock(&sb->s_type->i_mutex_key#9); [ 62.243725] lock((work_completion)(&dio->complete_work)); [ 62.251956] lock(&sb->s_type->i_mutex_key#9); [ 62.254008] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 62.259145] lock((wq_completion)"dio/%s"sb->s_id); [ 62.259155] [ 62.259155] *** DEADLOCK *** [ 62.259155] [ 62.259163] 1 lock held by syz-executor2/7689: [ 62.259167] #0: 00000000d99009fb (&sb->s_type->i_mutex_key#9){+.+.}, at: ext4_file_write_iter+0x2a1/0x1420 [ 62.274739] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 62.276733] [ 62.276733] stack backtrace: [ 62.276751] CPU: 0 PID: 7689 Comm: syz-executor2 Not tainted 4.20.0-rc3+ #122 [ 62.276758] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 62.276767] Call Trace: [ 62.324320] dump_stack+0x244/0x39d [ 62.327936] ? dump_stack_print_info.cold.1+0x20/0x20 [ 62.333109] ? vprintk_func+0x85/0x181 [ 62.337008] print_circular_bug.isra.35.cold.54+0x1bd/0x27d [ 62.342710] ? save_trace+0xe0/0x290 [ 62.346411] __lock_acquire+0x3399/0x4c20 [ 62.350544] ? find_next_bit+0x104/0x130 [ 62.354594] ? mark_held_locks+0x130/0x130 [ 62.358818] ? __cpu_to_node+0x7d/0xa0 [ 62.362693] ? mark_held_locks+0x130/0x130 [ 62.366917] ? zap_class+0x640/0x640 [ 62.370627] ? enqueue_entity+0x34b/0x20a0 [ 62.374852] ? __lock_acquire+0x62f/0x4c20 [ 62.379073] ? __lock_is_held+0xb5/0x140 [ 62.383123] lock_acquire+0x1ed/0x520 [ 62.386922] ? flush_workqueue+0x2db/0x1e10 [ 62.391238] ? lock_release+0xa00/0xa00 [ 62.395197] ? lockdep_init_map+0x9/0x10 [ 62.399253] ? __init_waitqueue_head+0x9e/0x150 [ 62.403925] ? init_wait_entry+0x1c0/0x1c0 [ 62.408156] flush_workqueue+0x30a/0x1e10 [ 62.412291] ? flush_workqueue+0x2db/0x1e10 [ 62.416599] ? lock_acquire+0x1ed/0x520 [ 62.420558] ? drain_workqueue+0xa9/0x640 [ 62.424704] ? lock_release+0xa00/0xa00 [ 62.428677] ? lock_release+0xa00/0xa00 [ 62.432635] ? perf_trace_sched_process_exec+0x860/0x860 [ 62.438085] ? cancel_delayed_work+0x3e0/0x3e0 [ 62.442680] ? zap_class+0x640/0x640 [ 62.446380] ? __mutex_lock+0x85e/0x16f0 [ 62.450421] ? __mutex_lock+0x85e/0x16f0 [ 62.454464] ? drain_workqueue+0xa9/0x640 [ 62.458596] ? __alloc_workqueue_key+0x79a/0x10a0 [ 62.463433] ? find_held_lock+0x36/0x1c0 [ 62.467490] ? drain_workqueue+0x13f/0x640 [ 62.471724] ? lock_downgrade+0x900/0x900 [ 62.475868] ? lock_downgrade+0x900/0x900 [ 62.480009] ? try_to_wake_up+0x11c/0x1490 [ 62.484236] ? zap_class+0x640/0x640 [ 62.487947] ? kasan_check_write+0x14/0x20 [ 62.492168] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 62.497088] ? __mutex_unlock_slowpath+0x197/0x8c0 [ 62.502007] ? wait_for_completion+0x8a0/0x8a0 [ 62.506586] ? wait_for_completion+0x8a0/0x8a0 [ 62.511173] ? pwq_activate_delayed_work+0x650/0x650 [ 62.516259] drain_workqueue+0x2a9/0x640 [ 62.520317] ? drain_workqueue+0x2a9/0x640 [ 62.524549] ? __alloc_workqueue_key+0xb88/0x10a0 [ 62.529377] ? flush_workqueue+0x1e10/0x1e10 [ 62.533790] ? workqueue_sysfs_register+0x3f0/0x3f0 [ 62.538844] ? save_stack+0x43/0xd0 [ 62.542454] ? kasan_kmalloc+0xc7/0xe0 [ 62.546336] ? kasan_slab_alloc+0x12/0x20 [ 62.550466] ? kmem_cache_alloc+0x12e/0x730 [ 62.554786] ? __blockdev_direct_IO+0x9d/0xc6 [ 62.559268] ? ext4_direct_IO+0xbe6/0x2230 [ 62.563679] ? generic_file_direct_write+0x275/0x4b0 [ 62.568777] ? __generic_file_write_iter+0x2ff/0x630 [ 62.573865] ? ext4_file_write_iter+0x390/0x1420 [ 62.578606] ? aio_write+0x3b1/0x610 [ 62.582302] ? io_submit_one+0xaa1/0xf80 [ 62.586350] ? do_syscall_64+0x1b9/0x820 [ 62.590408] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.595776] destroy_workqueue+0xc6/0x9c0 [ 62.599923] ? wq_watchdog_timer_fn+0x810/0x810 [ 62.604574] ? zap_class+0x640/0x640 [ 62.608282] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.614241] ? __lock_is_held+0xb5/0x140 [ 62.618299] ? rcu_read_lock_sched_held+0x14f/0x180 [ 62.623315] ? kmem_cache_alloc+0x33a/0x730 [ 62.627619] sb_init_dio_done_wq+0x74/0x90 [ 62.631837] do_blockdev_direct_IO+0x1325/0x9db0 [ 62.636578] ? __kernel_text_address+0xd/0x40 [ 62.641058] ? write_end_fn+0xf0/0xf0 [ 62.644840] ? ext4_get_block_trans+0x2e0/0x2e0 [ 62.649513] ? do_direct_IO+0xc110/0xc110 [ 62.653668] ? save_stack+0xa9/0xd0 [ 62.657293] ? zap_class+0x640/0x640 [ 62.660992] ? __lock_is_held+0xb5/0x140 [ 62.665051] ? __lock_is_held+0xb5/0x140 [ 62.669105] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 62.674379] ? perf_trace_sched_process_exec+0x860/0x860 [ 62.679809] ? rcu_softirq_qs+0x20/0x20 [ 62.683768] ? rcu_softirq_qs+0x20/0x20 [ 62.687722] ? unwind_dump+0x190/0x190 [ 62.691762] ? __might_sleep+0x95/0x190 [ 62.695720] ? __getblk_gfp+0x11b/0xd50 [ 62.699681] ? __kernel_text_address+0xd/0x40 [ 62.704161] ? print_usage_bug+0xc0/0xc0 [ 62.708241] ? __find_get_block+0xf20/0xf20 [ 62.712574] ? save_stack+0xa9/0xd0 [ 62.716204] ? __lock_acquire+0x62f/0x4c20 [ 62.720429] ? print_usage_bug+0xc0/0xc0 [ 62.724484] ? aio_write+0x3b1/0x610 [ 62.728188] ? io_submit_one+0xaa1/0xf80 [ 62.732243] ? __x64_sys_io_submit+0x1b7/0x580 [ 62.736809] ? do_syscall_64+0x1b9/0x820 [ 62.740862] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 62.746212] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.751733] ? invalidate_inode_pages2_range+0x15ef/0x1cb0 [ 62.757342] ? zap_class+0x640/0x640 [ 62.761042] ? pagecache_isize_extended+0x440/0x440 [ 62.766049] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.771588] ? __ext4_get_inode_loc+0x470/0x1330 [ 62.776343] ? find_held_lock+0x36/0x1c0 [ 62.780398] ? ext4_xattr_get+0x1a8/0xb30 [ 62.784545] ? lock_downgrade+0x900/0x900 [ 62.788678] ? zap_class+0x640/0x640 [ 62.792375] ? xattr_find_entry+0x1e4/0x280 [ 62.796683] ? print_usage_bug+0xc0/0xc0 [ 62.800727] ? zap_class+0x640/0x640 [ 62.804424] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.809945] ? check_preemption_disabled+0x48/0x280 [ 62.814948] ? __lock_is_held+0xb5/0x140 [ 62.818996] ? ext4_get_block_trans+0x2e0/0x2e0 [ 62.823667] __blockdev_direct_IO+0x9d/0xc6 [ 62.827984] ? write_end_fn+0xf0/0xf0 [ 62.831789] ext4_direct_IO+0xbe6/0x2230 [ 62.835845] ? ext4_get_block_trans+0x2e0/0x2e0 [ 62.840496] ? ext4_iomap_end+0x810/0x810 [ 62.844632] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.850162] ? timespec64_trunc+0xea/0x180 [ 62.854379] ? inode_init_owner+0x340/0x340 [ 62.858684] ? __vfs_setxattr+0x180/0x180 [ 62.862824] ? current_time+0x131/0x1b0 [ 62.866796] ? timespec64_trunc+0x180/0x180 [ 62.871103] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.876623] ? security_inode_need_killpriv+0x80/0xa0 [ 62.881799] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.887320] ? file_update_time+0xe4/0x640 [ 62.891545] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 62.897086] ? filemap_check_errors+0xd8/0x110 [ 62.901676] generic_file_direct_write+0x275/0x4b0 [ 62.906594] __generic_file_write_iter+0x2ff/0x630 [ 62.911534] ext4_file_write_iter+0x390/0x1420 [ 62.916121] ? __fget+0x4d1/0x740 [ 62.919566] ? ext4_file_mmap+0x410/0x410 [ 62.923700] ? find_held_lock+0x36/0x1c0 [ 62.927763] ? aio_write+0x4ce/0x610 [ 62.931461] ? lock_downgrade+0x900/0x900 [ 62.935593] ? __lock_is_held+0xb5/0x140 [ 62.939638] ? rcu_read_lock_sched_held+0x14f/0x180 [ 62.944648] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 62.950193] ? __sb_start_write+0x1b2/0x370 [ 62.954499] aio_write+0x3b1/0x610 [ 62.958037] ? aio_complete_rw+0x640/0x640 [ 62.962260] ? lock_downgrade+0x900/0x900 [ 62.966421] ? kasan_check_read+0x11/0x20 [ 62.970552] ? rcu_dynticks_curr_cpu_in_eqs+0xa2/0x170 [ 62.975816] io_submit_one+0xaa1/0xf80 [ 62.979690] ? aio_poll+0x1420/0x1420 [ 62.983477] ? __might_fault+0x12b/0x1e0 [ 62.987522] ? lock_downgrade+0x900/0x900 [ 62.991673] ? perf_trace_sched_process_exec+0x860/0x860 [ 62.997124] __x64_sys_io_submit+0x1b7/0x580 [ 63.001523] ? __ia32_sys_io_destroy+0x580/0x580 [ 63.006264] ? trace_hardirqs_on+0xbd/0x310 [ 63.010570] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 63.016111] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.021459] ? trace_hardirqs_off_caller+0x310/0x310 [ 63.026550] do_syscall_64+0x1b9/0x820 [ 63.030423] ? __ia32_sys_io_destroy+0x580/0x580 [ 63.035176] ? do_syscall_64+0x1b9/0x820 [ 63.039230] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 63.044576] ? syscall_return_slowpath+0x5e0/0x5e0 [ 63.049493] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.054332] ? trace_hardirqs_on_caller+0x310/0x310 [ 63.059332] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 63.064339] ? prepare_exit_to_usermode+0x291/0x3b0 [ 63.069341] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 63.074167] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 63.079340] RIP: 0033:0x457569 [ 63.082533] Code: fd b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 cb b3 fb ff c3 66 2e 0f 1f 84 00 00 00 00 [ 63.101429] RSP: 002b:00007f8525815c78 EFLAGS: 00000246 ORIG_RAX: 00000000000000d1 [ 63.109118] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000000457569 [ 63.116367] RDX: 0000000020000540 RSI: 0000000000000008 RDI: 00007f85257f5000 [ 63.123637] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 63.130991] R10: 0000000000000000 R11: 0000000000000246 R12: 00007f85258166d4 [ 63.138246] R13: 00000000004be7ed R14: 00000000004ced68 R15: 00000000ffffffff 2018/11/21 03:26:12 executed programs: 6 [ 63.212263] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 63.238575] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 63.278666] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 63.287647] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 63.298926] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 63.305710] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 63.318540] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 63.325419] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 63.338811] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 63.345944] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 63.360897] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 63.367920] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 63.377857] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 63.384495] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 63.394471] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 63.401301] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 63.411461] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 63.417878] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 63.427900] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 63.440172] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 63.463432] syz-executor4 (7780) used greatest stack depth: 14424 bytes left [ 63.474612] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 63.481828] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 63.492119] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 63.500567] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 63.510559] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 63.518088] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 63.544609] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 63.551840] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 63.562762] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 63.575813] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 63.586418] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 63.597745] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 63.616336] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 63.633968] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 63.649574] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 63.650421] syz-executor0 (7811) used greatest stack depth: 12568 bytes left [ 63.656173] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 63.681103] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 63.691281] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 63.714268] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 63.721569] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 63.744172] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 63.754493] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 63.765933] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 63.776552] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 63.794699] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 63.802530] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 63.814254] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 63.821096] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 63.849375] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 63.856151] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 63.868379] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 63.877777] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 63.891720] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 63.899079] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 63.909987] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 63.916663] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 63.928635] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 63.935938] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 63.962665] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 63.979232] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 63.992283] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 63.999960] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.010576] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.017457] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.052201] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.069358] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.081319] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.088604] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.099595] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.106353] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.119289] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 64.125896] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 64.139321] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.146369] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.160541] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.167139] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.180422] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.187370] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.200873] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 64.208925] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.215582] File: /root/syzkaller-testdir307679803/syzkaller.YX2bwI/10/bus PID: 7758 Comm: kworker/0:5 [ 64.226511] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.240840] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 64.247294] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 64.260531] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.270475] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.284013] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.304734] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.316789] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.325338] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.336535] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 64.345534] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 64.360434] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.367106] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.378238] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.384902] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.396706] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.404157] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.414758] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.421670] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.440913] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.450027] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.465402] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 64.474708] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 64.485619] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.492520] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.503748] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.512313] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.522339] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.530929] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.541705] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.552122] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.563423] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.572984] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.590392] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 64.602971] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 64.616064] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.623082] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.633597] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.641268] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.651489] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.660545] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.671720] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.680192] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.691042] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 64.697629] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 64.715819] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.723721] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.734835] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.742888] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.753458] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.760352] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.772582] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.780607] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.781474] syz-executor0 (8025) used greatest stack depth: 12456 bytes left [ 64.790799] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.803945] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.813917] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.837304] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.848964] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 64.855567] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 64.866209] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.873217] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.885775] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.892733] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.903519] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.916439] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 64.932139] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 64.940580] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 64.951346] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 64.960714] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 64.971913] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 64.978915] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 64.991746] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 64.998434] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.025146] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.035209] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.047462] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 65.054501] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 65.064956] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.071631] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.082877] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.089363] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.104440] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.114578] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.134738] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.142768] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.155238] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.162467] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.174496] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.181892] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.192643] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.201636] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.215808] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.224833] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.236321] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.244870] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.260310] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.267645] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.278881] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.292462] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.307841] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.315012] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.329691] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.336321] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.346629] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.354629] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.366989] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.375304] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.393906] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 65.400808] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 65.411945] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.418601] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.430037] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.437236] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.447678] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.454507] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.464699] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.472860] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.482816] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.494431] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.506850] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 65.517332] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 65.529390] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.536014] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.546322] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.552800] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.563323] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.569805] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.579748] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 65.586173] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 65.602839] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.614491] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.625221] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.638856] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.651093] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.658516] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.669934] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.676463] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.691370] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.698451] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.708823] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.715372] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.729242] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.735863] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.746058] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.765569] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.781088] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.788135] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.800254] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.807167] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.818116] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 65.825507] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 65.836082] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 65.843051] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 65.865869] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 65.873715] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 65.885059] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.893388] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 65.906634] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.916187] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.927144] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 65.934287] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 65.946895] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 65.953620] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 65.970219] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 65.977416] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 65.988971] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 65.996174] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.008713] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.015553] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.026110] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.032759] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.044268] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.050749] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.061021] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.067463] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.097642] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.106210] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.119174] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.125841] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.137117] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.144202] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.161454] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.173516] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.185139] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.198721] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.210129] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.216929] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.227284] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.234630] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.246279] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.253290] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.266820] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.274594] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.303101] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.312762] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.323955] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.331014] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.341269] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.348327] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.359053] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.365535] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.375811] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.382862] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.395103] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.403267] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.413234] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.427547] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.441951] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.449187] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.468907] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.475603] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.485794] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.495241] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.505294] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.514267] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.526799] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.537366] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.551700] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.559792] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.570197] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.576727] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.587713] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.594828] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.604807] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.611311] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.621394] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.627821] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.637773] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.647037] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.664465] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.671953] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.686035] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.702087] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.713401] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.720447] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.731827] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.740716] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.752751] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.762994] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.775276] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.785678] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.799015] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.805517] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.815552] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 66.828672] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 66.838620] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.845318] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.857138] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.863643] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.877553] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.887139] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.904145] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.913975] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 66.926363] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 66.932918] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 66.942920] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 66.949389] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 66.959867] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 66.966282] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 66.976164] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 66.982606] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 66.992533] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 66.999056] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 67.018611] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 67.027337] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 67.056326] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 67.091305] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 67.102687] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 67.115848] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 67.510751] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 67.543701] File: /root/syzkaller-testdir307679803/syzkaller.YX2bwI/39/bus PID: 6534 Comm: kworker/0:3 [ 67.728470] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 67.734953] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 68.133837] syz-executor4 (8699) used greatest stack depth: 12408 bytes left 2018/11/21 03:26:17 executed programs: 275 [ 68.215670] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 68.238496] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 68.279173] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 68.356081] File: /root/syzkaller-testdir503448178/syzkaller.ashneO/45/bus PID: 8222 Comm: kworker/0:6 [ 68.411955] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 68.441342] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.028528] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.035017] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.068190] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 69.095959] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.125300] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 69.176083] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.202970] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.216261] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.253245] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 69.261539] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 69.288570] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 69.296263] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.313460] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 69.320931] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.339500] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 69.353339] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.368670] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.376037] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.389771] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 69.404257] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 69.410797] File: /root/syzkaller-testdir629499712/syzkaller.2RMowM/57/bus PID: 2937 Comm: kworker/0:2 [ 69.422147] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 69.437362] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 69.445062] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.459299] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 69.468815] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.492100] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.506756] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.518982] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 69.528236] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 69.542177] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 69.549110] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 69.563984] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 69.575571] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.592041] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.604390] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.614677] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 69.621174] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 69.632048] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 69.638888] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.650791] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 69.657527] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 69.673470] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 69.681679] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.707294] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 69.719829] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 69.729810] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 69.736233] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.752218] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 69.766710] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.784270] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 69.796300] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.809305] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 69.815801] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 69.827709] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.837317] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.853276] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 69.865292] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.878013] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 69.887132] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 69.901646] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 69.910475] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 69.923024] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 69.930352] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 69.943471] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 69.951371] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 69.970563] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 69.979604] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 69.991444] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 69.999894] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.020945] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.031688] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.041961] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.048861] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.060594] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.068202] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.083868] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.091037] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.102519] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.109299] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.134272] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.141082] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.151781] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.159389] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.174039] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.181977] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.194862] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.204085] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.216722] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.223681] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.239358] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.245785] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.268543] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.293804] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.308529] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.315320] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.326413] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.333099] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.344818] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.358127] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.376910] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.384824] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.404862] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.418396] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.428512] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.435027] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.446783] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.453530] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.467937] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.475239] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.485168] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.494519] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.504799] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.515886] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.526053] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.532903] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.543077] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.550988] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.561929] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.574270] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.584420] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.591822] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.609379] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.615824] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.628936] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.635960] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.665758] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.676515] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.687806] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.696013] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.707833] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.714856] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.731755] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.738491] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.764729] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.771775] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.782815] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 70.789823] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 70.799917] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.806400] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.817152] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.828194] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 70.842534] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.857584] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.885650] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.892677] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.903314] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 70.910489] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 70.921430] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 70.928213] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 70.938689] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 70.950180] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 70.967147] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 70.974630] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 70.985880] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 70.992781] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.003747] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.010555] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.022225] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.038524] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.052744] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.063865] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.078525] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.086110] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.100521] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.109376] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.120313] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 71.127048] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.137481] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.144232] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.154316] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.162017] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.172416] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.180294] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.190883] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 71.197728] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.208817] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.215967] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.241729] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 71.251953] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.262468] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.269240] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.279157] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.285570] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.295549] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.302351] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.313418] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.320207] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.330519] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 71.357264] Page cache invalidation failure on direct I/O. Possible data corruption due to collision with buffered I/O! [ 71.371253] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.381400] File: /root/syzkaller-testdir621717086/syzkaller.SgZBNL/73/bus PID: 6534 Comm: kworker/0:3 [ 71.392259] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.399582] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.411113] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 71.417766] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 71.427935] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.437913] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.475040] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.482113] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.497121] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 71.505713] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 71.522845] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 71.539508] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.555841] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.563831] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.574644] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.582104] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.594621] kobject: 'loop5' (0000000005d54c52): kobject_uevent_env [ 71.601669] kobject: 'loop5' (0000000005d54c52): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 71.614080] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 71.620603] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 71.637478] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.645765] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.660670] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.671271] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.682618] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.690176] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.702283] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.708806] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.724303] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 71.759255] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 71.769622] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.776113] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.786432] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.793102] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.803021] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.809490] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.819407] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.825833] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.836050] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.842692] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.852786] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.859250] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 71.869030] kobject: 'loop2' (00000000a7691c85): kobject_uevent_env [ 71.875437] kobject: 'loop2' (00000000a7691c85): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 71.886114] kobject: 'loop0' (0000000098d8402c): kobject_uevent_env [ 71.892620] kobject: 'loop0' (0000000098d8402c): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 71.902534] kobject: 'loop3' (00000000330ac096): kobject_uevent_env [ 71.909252] kobject: 'loop3' (00000000330ac096): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 71.919118] kobject: 'loop1' (000000001ad33925): kobject_uevent_env [ 71.925534] kobject: 'loop1' (000000001ad33925): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 71.939864] kobject: 'loop4' (00000000a7abe1c1): kobject_uevent_env [ 71.949096] kobject: 'loop4' (00000000a7abe1c1): fill_kobj_path: path = '/devices/virtual/block/loop4'