[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 31.656879] kauditd_printk_skb: 9 callbacks suppressed [ 31.656892] audit: type=1800 audit(1545523813.827:33): pid=5970 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 [ 31.684863] audit: type=1800 audit(1545523813.827:34): pid=5970 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: [ 36.669918] audit: type=1400 audit(1545523818.837:35): avc: denied { map } for pid=6146 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 '10.128.0.4' (ECDSA) to the list of known hosts. [ 55.831626] audit: type=1400 audit(1545523837.997:36): avc: denied { map } for pid=6160 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 2018/12/23 00:10:38 parsed 1 programs [ 56.480763] audit: type=1400 audit(1545523838.647:37): avc: denied { map } for pid=6160 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=1094 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2018/12/23 00:10:40 executed programs: 0 [ 58.812385] IPVS: ftp: loaded support on port[0] = 21 [ 58.818752] IPVS: ftp: loaded support on port[0] = 21 [ 58.831634] IPVS: ftp: loaded support on port[0] = 21 [ 58.834139] IPVS: ftp: loaded support on port[0] = 21 [ 58.848760] IPVS: ftp: loaded support on port[0] = 21 [ 58.856464] IPVS: ftp: loaded support on port[0] = 21 [ 60.087178] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.103890] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.111354] device bridge_slave_0 entered promiscuous mode [ 60.171932] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.182090] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.194832] device bridge_slave_1 entered promiscuous mode [ 60.230927] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.241755] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.256981] device bridge_slave_0 entered promiscuous mode [ 60.266140] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.272805] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.279635] device bridge_slave_0 entered promiscuous mode [ 60.292786] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.299196] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.311146] device bridge_slave_0 entered promiscuous mode [ 60.323410] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.335391] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.341744] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.353326] device bridge_slave_0 entered promiscuous mode [ 60.363267] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.369646] bridge0: port 1(bridge_slave_0) entered disabled state [ 60.377557] device bridge_slave_0 entered promiscuous mode [ 60.387462] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.395263] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.406178] device bridge_slave_1 entered promiscuous mode [ 60.412600] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.418974] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.429861] device bridge_slave_1 entered promiscuous mode [ 60.438020] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.450139] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.463116] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.470400] device bridge_slave_1 entered promiscuous mode [ 60.479222] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.489918] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.497117] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.511227] device bridge_slave_1 entered promiscuous mode [ 60.519098] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.526721] bridge0: port 2(bridge_slave_1) entered disabled state [ 60.534301] device bridge_slave_1 entered promiscuous mode [ 60.551293] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.562102] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.575290] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.588306] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.605528] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 60.616432] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.643994] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.655100] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.699385] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 60.713647] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.834062] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.864039] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.886134] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 60.897566] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.910481] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 60.935650] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.951169] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.966258] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 60.981808] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 60.995308] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.012301] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 61.038555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 61.048795] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.059905] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.072641] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 61.080684] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.094273] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.110437] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.121163] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.134280] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.151009] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.166514] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.183000] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.194261] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 61.206278] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.216538] team0: Port device team_slave_0 added [ 61.252384] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 61.334706] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.341996] team0: Port device team_slave_1 added [ 61.404106] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.475737] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.485431] team0: Port device team_slave_0 added [ 61.491400] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.506507] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.514771] team0: Port device team_slave_0 added [ 61.522794] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.531128] team0: Port device team_slave_0 added [ 61.546010] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.558384] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.569526] team0: Port device team_slave_1 added [ 61.575660] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.583465] team0: Port device team_slave_0 added [ 61.589534] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.598367] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.618242] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.625839] team0: Port device team_slave_1 added [ 61.634312] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.641697] team0: Port device team_slave_1 added [ 61.650443] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 61.658382] team0: Port device team_slave_0 added [ 61.666444] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 61.682955] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.703192] team0: Port device team_slave_1 added [ 61.709859] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 61.723805] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 61.734627] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.742896] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.766598] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 61.777624] team0: Port device team_slave_1 added [ 61.798110] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.811748] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.826212] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.835022] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 61.847751] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.859032] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.867343] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 61.877437] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 61.885829] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 61.903447] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.919791] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.927316] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 61.935137] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 61.945672] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 61.959537] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.975252] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.982657] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 61.989876] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 61.998203] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 62.006852] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.016371] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.032253] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.040667] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.048590] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.056441] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.067462] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.076751] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 62.092407] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.106574] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.131396] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.143056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 62.153395] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 62.160947] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.169012] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.177575] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.185541] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.199237] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 62.223069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.243399] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.264314] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.272356] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.280528] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 62.288905] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 62.340300] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 62.361965] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 62.373926] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 62.675360] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.681935] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.688912] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.695327] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.707947] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 62.802743] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 62.945420] bridge0: port 2(bridge_slave_1) entered blocking state [ 62.951785] bridge0: port 2(bridge_slave_1) entered forwarding state [ 62.958531] bridge0: port 1(bridge_slave_0) entered blocking state [ 62.964961] bridge0: port 1(bridge_slave_0) entered forwarding state [ 62.974668] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.009641] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.016053] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.022777] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.029147] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.049349] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.058396] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.064799] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.071478] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.077923] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.085709] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.109952] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.116357] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.123078] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.129441] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.140741] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.236194] bridge0: port 2(bridge_slave_1) entered blocking state [ 63.242583] bridge0: port 2(bridge_slave_1) entered forwarding state [ 63.249234] bridge0: port 1(bridge_slave_0) entered blocking state [ 63.255645] bridge0: port 1(bridge_slave_0) entered forwarding state [ 63.270157] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 63.872685] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.882388] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.897117] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.911468] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 63.919350] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 65.615576] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.782124] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.793060] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.824716] 8021q: adding VLAN 0 to HW filter on device bond0 [ 65.893257] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 65.911611] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.046105] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.053977] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.063071] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.135060] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.141185] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.153949] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.166045] 8021q: adding VLAN 0 to HW filter on device bond0 [ 66.193589] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.281090] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.287440] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.296043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.320191] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.341820] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.355142] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.388597] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.407878] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.418745] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.452365] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 66.479484] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.536372] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.550056] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.560410] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.621694] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.641813] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.654954] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.762440] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 66.768802] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 66.783192] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 66.867722] 8021q: adding VLAN 0 to HW filter on device team0 [ 66.977995] 8021q: adding VLAN 0 to HW filter on device team0 [ 68.049906] audit: type=1400 audit(1545523850.217:38): avc: denied { associate } for pid=6178 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 2018/12/23 00:10:50 executed programs: 6 [ 68.209553] audit: type=1400 audit(1545523850.377:39): avc: denied { map } for pid=7682 comm="syz-executor2" path="/selinux/status" dev="selinuxfs" ino=19 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:security_t:s0 tclass=file permissive=1 2018/12/23 00:10:55 executed programs: 273 [ 75.586248] WARNING: CPU: 0 PID: 9259 at arch/x86/mm/pat.c:1064 untrack_pfn+0x2b8/0x320 [ 75.594454] Kernel panic - not syncing: panic_on_warn set ... [ 75.600363] CPU: 0 PID: 9259 Comm: syz-executor1 Not tainted 4.20.0-rc7+ #163 [ 75.605803] kobject: 'loop0' (00000000d07c86c6): kobject_uevent_env [ 75.607641] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 75.607652] Call Trace: [ 75.607671] dump_stack+0x1d3/0x2c6 [ 75.607691] ? dump_stack_print_info.cold.1+0x20/0x20 [ 75.617867] kobject: 'loop0' (00000000d07c86c6): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 75.623543] panic+0x2ad/0x55c [ 75.623561] ? add_taint.cold.5+0x16/0x16 [ 75.623585] ? __warn.cold.8+0x5/0x45 [ 75.655597] ? __warn+0xe8/0x1d0 [ 75.657559] kobject: 'loop5' (00000000aea4c8ad): kobject_uevent_env [ 75.658979] ? untrack_pfn+0x2b8/0x320 [ 75.658996] __warn.cold.8+0x20/0x45 [ 75.659022] ? rcu_softirq_qs+0x20/0x20 [ 75.665573] kobject: 'loop5' (00000000aea4c8ad): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 75.669312] ? untrack_pfn+0x2b8/0x320 [ 75.669330] report_bug+0x254/0x2d0 [ 75.669351] do_error_trap+0x11b/0x200 [ 75.669369] do_invalid_op+0x36/0x40 [ 75.701623] ? untrack_pfn+0x2b8/0x320 [ 75.702023] kobject: 'loop3' (0000000030d5d503): kobject_uevent_env [ 75.705550] invalid_op+0x14/0x20 [ 75.705565] RIP: 0010:untrack_pfn+0x2b8/0x320 [ 75.705580] Code: 00 00 00 00 48 8b 45 d0 65 48 33 04 25 28 00 00 00 75 39 48 81 c4 b0 00 00 00 5b 41 5c 41 5d 41 5e 41 5f 5d c3 e8 c8 92 45 00 <0f> 0b eb b5 4c 89 e7 e8 6c 9c 88 00 e9 86 fe ff ff 48 8b bd 28 ff [ 75.705589] RSP: 0018:ffff8881bf416fe8 EFLAGS: 00010293 [ 75.705602] RAX: ffff8881d1cd6080 RBX: 1ffff11037e82dff RCX: ffffffff813923d4 [ 75.705612] RDX: 0000000000000000 RSI: ffffffff81392518 RDI: 0000000000000005 [ 75.705622] RBP: ffff8881bf4170c0 R08: ffff8881d1cd6080 R09: ffffed1037ad73d9 [ 75.705631] R10: ffffed1037ad73d9 R11: ffff8881bd6b9ecb R12: ffff8881cdf68420 [ 75.705645] R13: 00000000ffffffea R14: 0000000000000000 R15: ffff8881bf417098 [ 75.712194] kobject: 'loop3' (0000000030d5d503): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 75.715536] ? untrack_pfn+0x174/0x320 [ 75.715551] ? untrack_pfn+0x2b8/0x320 [ 75.715569] ? untrack_pfn+0x2b8/0x320 [ 75.715586] ? track_pfn_insert+0x180/0x180 [ 75.715602] ? trace_hardirqs_off+0xb8/0x310 [ 75.715623] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 75.757726] kobject: 'loop2' (000000003ea4d4e5): kobject_uevent_env [ 75.759807] unmap_single_vma+0x1c0/0x310 [ 75.780376] kobject: 'loop2' (000000003ea4d4e5): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 75.781624] unmap_vmas+0x125/0x200 [ 75.781647] exit_mmap+0x2be/0x590 [ 75.781665] ? __ia32_sys_munmap+0x80/0x80 [ 75.781679] ? __khugepaged_exit+0x455/0x6a0 [ 75.781711] ? __might_sleep+0x95/0x190 [ 75.824286] kobject: 'loop4' (00000000f080f8d5): kobject_uevent_env [ 75.827664] mmput+0x247/0x610 [ 75.827680] ? lock_downgrade+0x900/0x900 [ 75.827696] ? set_mm_exe_file+0x200/0x200 [ 75.827716] ? kasan_check_read+0x11/0x20 [ 75.827736] ? do_raw_spin_unlock+0xa7/0x330 [ 75.874650] kobject: 'loop4' (00000000f080f8d5): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 75.874997] ? do_raw_spin_trylock+0x270/0x270 [ 75.897677] ? up_read_non_owner+0x100/0x100 [ 75.902107] ? __down_interruptible+0x700/0x700 [ 75.906808] do_exit+0xe74/0x26d0 [ 75.910288] ? do_raw_spin_trylock+0x231/0x270 [ 75.914890] ? mm_update_next_owner+0x990/0x990 [ 75.919582] ? print_usage_bug+0xc0/0xc0 [ 75.923686] ? graph_lock+0x270/0x270 [ 75.927536] ? find_held_lock+0x36/0x1c0 [ 75.931629] ? __lock_acquire+0x62f/0x4c20 [ 75.932435] kobject: 'loop3' (0000000030d5d503): kobject_uevent_env [ 75.935884] ? lock_downgrade+0x900/0x900 [ 75.935913] ? mark_held_locks+0x130/0x130 [ 75.935935] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 75.951550] kobject: 'loop3' (0000000030d5d503): fill_kobj_path: path = '/devices/virtual/block/loop3' [ 75.955944] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 75.955962] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 75.955976] ? futex_wait+0x5ec/0xa50 [ 75.956001] ? futex_wait_setup+0x3e0/0x3e0 [ 75.956022] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 75.956040] ? futex_wake+0x304/0x760 [ 75.972894] kobject: 'loop5' (00000000aea4c8ad): kobject_uevent_env [ 75.976161] ? graph_lock+0x270/0x270 [ 75.976199] ? memset+0x31/0x40 [ 75.976226] ? find_held_lock+0x36/0x1c0 [ 75.982355] kobject: 'loop5' (00000000aea4c8ad): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 75.984353] ? get_signal+0x95b/0x1980 [ 75.984373] ? _raw_spin_unlock_irq+0x27/0x80 [ 75.984389] ? _raw_spin_unlock_irq+0x27/0x80 [ 75.984415] do_group_exit+0x177/0x440 [ 76.021480] kobject: 'loop0' (00000000d07c86c6): kobject_uevent_env [ 76.024211] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 76.024226] ? __ia32_sys_exit+0x50/0x50 [ 76.024251] get_signal+0x8b0/0x1980 [ 76.024273] ? ptrace_notify+0x130/0x130 [ 76.028789] kobject: 'loop0' (00000000d07c86c6): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 76.033258] ? save_stack+0x43/0xd0 [ 76.033283] ? find_held_lock+0x36/0x1c0 [ 76.033314] ? __might_fault+0x12b/0x1e0 [ 76.077748] kobject: 'loop2' (000000003ea4d4e5): kobject_uevent_env [ 76.078480] do_signal+0x9c/0x21c0 [ 76.082610] kobject: 'loop2' (000000003ea4d4e5): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 76.088962] ? arch_local_save_flags+0x40/0x40 [ 76.106555] ? posix_ktime_get_ts+0x15/0x20 [ 76.110897] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 76.116359] ? setup_sigcontext+0x7d0/0x7d0 [ 76.120682] ? exit_to_usermode_loop+0x8c/0x380 [ 76.125347] ? exit_to_usermode_loop+0x8c/0x380 [ 76.130008] ? lockdep_hardirqs_on+0x421/0x5c0 [ 76.134587] ? trace_hardirqs_on+0xbd/0x310 [ 76.138904] ? do_syscall_64+0x6be/0x820 [ 76.142964] ? __x64_sys_futex+0x47f/0x6a0 [ 76.147195] exit_to_usermode_loop+0x2e5/0x380 [ 76.151774] ? syscall_trace_enter+0x1260/0x1260 [ 76.156542] do_syscall_64+0x6be/0x820 [ 76.160429] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 76.165789] ? syscall_return_slowpath+0x5e0/0x5e0 [ 76.170709] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.175547] ? trace_hardirqs_on_caller+0x310/0x310 [ 76.180559] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 76.185574] ? prepare_exit_to_usermode+0x291/0x3b0 [ 76.190589] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 76.195431] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 76.200614] RIP: 0033:0x457669 [ 76.203804] 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 [ 76.222875] RSP: 002b:00007f56a8b84cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 76.230630] RAX: fffffffffffffe00 RBX: 000000000072bf08 RCX: 0000000000457669 [ 76.237892] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 000000000072bf08 [ 76.245209] RBP: 000000000072bf00 R08: 0000000000000000 R09: 0000000000000000 [ 76.252472] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000072bf0c [ 76.259765] R13: 00007fffadecc28f R14: 00007f56a8b859c0 R15: 000000000072bf0c [ 76.268183] Kernel Offset: disabled [ 76.271862] Rebooting in 86400 seconds..