[....] 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[?25l[?1c7[ ok 8[?25h[?0c. [ 31.016750] audit: type=1800 audit(1540134464.481:33): pid=5324 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 [ 31.039213] audit: type=1800 audit(1540134464.491:34): pid=5324 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 [ 32.080322] audit: type=1400 audit(1540134465.551:35): avc: denied { map } for pid=5498 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.10.34' (ECDSA) to the list of known hosts. syzkaller login: [ 117.208470] audit: type=1400 audit(1540134550.671:36): avc: denied { map } for pid=5513 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/10/21 15:09:11 parsed 1 programs [ 117.751820] audit: type=1400 audit(1540134551.221:37): avc: denied { map } for pid=5513 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=71 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 2018/10/21 15:09:13 executed programs: 0 [ 119.804008] IPVS: ftp: loaded support on port[0] = 21 [ 119.804038] IPVS: ftp: loaded support on port[0] = 21 [ 119.844712] IPVS: ftp: loaded support on port[0] = 21 [ 119.853828] IPVS: ftp: loaded support on port[0] = 21 [ 119.871357] IPVS: ftp: loaded support on port[0] = 21 [ 119.881449] IPVS: ftp: loaded support on port[0] = 21 [ 121.228418] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.238749] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.249833] device bridge_slave_0 entered promiscuous mode [ 121.294423] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.316284] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.325331] device bridge_slave_0 entered promiscuous mode [ 121.345806] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.355164] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.363442] device bridge_slave_0 entered promiscuous mode [ 121.374070] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.381107] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.388546] device bridge_slave_0 entered promiscuous mode [ 121.396323] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.404679] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.412592] device bridge_slave_1 entered promiscuous mode [ 121.423310] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.429745] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.437282] device bridge_slave_1 entered promiscuous mode [ 121.445622] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.456277] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.470606] device bridge_slave_0 entered promiscuous mode [ 121.480800] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.487224] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.495173] device bridge_slave_1 entered promiscuous mode [ 121.502171] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.508561] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.517089] device bridge_slave_1 entered promiscuous mode [ 121.524979] bridge0: port 1(bridge_slave_0) entered blocking state [ 121.531791] bridge0: port 1(bridge_slave_0) entered disabled state [ 121.539266] device bridge_slave_0 entered promiscuous mode [ 121.547922] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 121.561285] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 121.570027] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.576465] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.585266] device bridge_slave_1 entered promiscuous mode [ 121.593326] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 121.613306] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 121.637571] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 121.648530] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 121.658806] bridge0: port 2(bridge_slave_1) entered blocking state [ 121.665416] bridge0: port 2(bridge_slave_1) entered disabled state [ 121.675047] device bridge_slave_1 entered promiscuous mode [ 121.683859] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 121.701694] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 121.711970] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 121.726390] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 121.756170] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 121.855651] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 121.927911] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 121.974871] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 121.988995] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 122.005151] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 122.018900] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 122.032595] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 122.064571] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 122.084299] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 122.097960] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 122.129635] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 122.164522] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 122.270304] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 122.425420] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 122.439168] team0: Port device team_slave_0 added [ 122.446760] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 122.457197] team0: Port device team_slave_0 added [ 122.489843] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 122.497231] team0: Port device team_slave_0 added [ 122.521302] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 122.529585] team0: Port device team_slave_1 added [ 122.538141] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 122.546518] team0: Port device team_slave_0 added [ 122.560956] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 122.568327] team0: Port device team_slave_1 added [ 122.579015] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 122.594539] team0: Port device team_slave_0 added [ 122.603487] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 122.612071] team0: Port device team_slave_1 added [ 122.633919] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.652370] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 122.660639] team0: Port device team_slave_1 added [ 122.677354] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.690456] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.723396] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 122.736512] team0: Port device team_slave_1 added [ 122.764797] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 122.774169] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 122.807078] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 122.815121] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.825919] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 122.835764] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 122.848137] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 122.862975] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 122.870936] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 122.878736] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 122.887066] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 122.895496] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 122.903490] team0: Port device team_slave_0 added [ 122.908991] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 122.925006] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 122.940478] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 122.948067] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 122.957404] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 122.966933] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 122.975356] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 122.986472] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 123.000250] team0: Port device team_slave_1 added [ 123.008800] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 123.017086] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 123.030034] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 123.038350] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 123.047006] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 123.055069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.063115] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 123.073314] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 123.082807] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 123.090684] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 123.099608] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 123.122571] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 123.134809] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 123.151699] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.159880] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 123.167739] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.175867] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 123.183721] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_team: link becomes ready [ 123.191663] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 123.202847] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 123.221912] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 123.228963] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 123.240377] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 123.269573] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 123.277376] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 123.286182] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 123.297067] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 123.312725] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 123.326593] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.336082] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 123.350317] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.358272] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 123.367961] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 123.376724] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 123.413308] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 123.431481] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 123.445029] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 124.031723] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.038239] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.045229] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.051648] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.067661] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 124.077622] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.084043] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.090728] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.097093] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.106581] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 124.116464] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.122886] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.129549] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.135953] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.145227] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 124.164339] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.170776] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.177428] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.183854] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.208306] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 124.232004] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.238374] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.245094] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.251499] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.276866] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 124.376968] bridge0: port 2(bridge_slave_1) entered blocking state [ 124.383421] bridge0: port 2(bridge_slave_1) entered forwarding state [ 124.390126] bridge0: port 1(bridge_slave_0) entered blocking state [ 124.396520] bridge0: port 1(bridge_slave_0) entered forwarding state [ 124.416910] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 124.890854] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 124.911305] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 124.926069] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 124.933367] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 124.940908] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 124.947893] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 127.012085] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.080203] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.119841] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.200580] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.293533] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.318127] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.363172] 8021q: adding VLAN 0 to HW filter on device bond0 [ 127.381425] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.390790] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.492936] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.575923] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 127.582564] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 127.596096] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 127.612622] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.670639] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 127.676866] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 127.687830] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 127.701880] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 127.721217] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 127.730470] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 127.737446] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 127.860587] 8021q: adding VLAN 0 to HW filter on device team0 [ 127.870685] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 127.882891] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 127.893025] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 127.963728] 8021q: adding VLAN 0 to HW filter on device team0 [ 127.977879] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 127.995193] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 128.004745] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 128.019470] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 128.033146] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 128.047178] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 128.057192] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.225649] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.256283] 8021q: adding VLAN 0 to HW filter on device team0 [ 128.296749] 8021q: adding VLAN 0 to HW filter on device team0 2018/10/21 15:09:23 executed programs: 6 2018/10/21 15:09:28 executed programs: 302 [ 137.713433] ------------[ cut here ]------------ [ 137.718465] refcount_t: increment on 0; use-after-free. [ 137.724239] WARNING: CPU: 1 PID: 8815 at lib/refcount.c:153 refcount_inc_checked+0x5d/0x70 [ 137.732660] Kernel panic - not syncing: panic_on_warn set ... [ 137.732660] [ 137.735338] kobject: 'loop4' (000000000aaa3ed0): kobject_uevent_env [ 137.740036] CPU: 1 PID: 8815 Comm: syz-executor3 Not tainted 4.19.0-rc8+ #74 [ 137.740052] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 137.740058] Call Trace: [ 137.740080] dump_stack+0x1c4/0x2b6 [ 137.740101] ? dump_stack_print_info.cold.1+0x20/0x20 [ 137.740128] panic+0x238/0x4e7 [ 137.740179] ? add_taint.cold.5+0x16/0x16 [ 137.740200] ? __warn.cold.8+0x5/0x4a [ 137.750627] kobject: 'loop4' (000000000aaa3ed0): fill_kobj_path: path = '/devices/virtual/block/loop4' [ 137.753846] ? __warn+0xe8/0x1d0 [ 137.753865] ? refcount_inc_checked+0x5d/0x70 [ 137.753879] __warn.cold.8+0x20/0x4a [ 137.753899] ? rcu_bh_qs+0xc0/0xc0 [ 137.798335] kobject: 'loop5' (0000000076bd9974): kobject_uevent_env [ 137.798557] ? refcount_inc_checked+0x5d/0x70 [ 137.821176] report_bug+0x254/0x2d0 [ 137.824824] do_error_trap+0x1fc/0x4d0 [ 137.828743] ? math_error+0x3f0/0x3f0 [ 137.830808] kobject: 'loop5' (0000000076bd9974): fill_kobj_path: path = '/devices/virtual/block/loop5' [ 137.832551] ? vprintk_default+0x28/0x30 [ 137.832570] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 137.832588] ? trace_hardirqs_on_caller+0x310/0x310 [ 137.832607] ? printk+0xa7/0xcf [ 137.832630] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 137.832657] do_invalid_op+0x1b/0x20 [ 137.867838] invalid_op+0x14/0x20 [ 137.871308] RIP: 0010:refcount_inc_checked+0x5d/0x70 [ 137.876430] Code: 1d 8a 9e 62 06 31 ff 89 de e8 bf b5 f2 fd 84 db 75 df e8 e6 b4 f2 fd 48 c7 c7 40 71 40 88 c6 05 6a 9e 62 06 01 e8 83 81 bc fd <0f> 0b eb c3 0f 1f 44 00 00 66 2e 0f 1f 84 00 00 00 00 00 55 48 89 [ 137.895339] RSP: 0018:ffff8801b58f6ce0 EFLAGS: 00010286 [ 137.897239] kobject: 'loop0' (00000000bb071bb3): kobject_uevent_env [ 137.900709] RAX: 0000000000000000 RBX: 0000000000000000 RCX: 0000000000000000 [ 137.900718] RDX: 0000000000000000 RSI: ffffffff8164d6a5 RDI: 0000000000000005 [ 137.900727] RBP: ffff8801b58f6ce8 R08: ffff8801bd642280 R09: 0000000000000002 [ 137.900736] R10: 0000000000000000 R11: ffff8801bd642280 R12: 0000000000000000 [ 137.900746] R13: 0000000000000008 R14: ffff8801c612ee00 R15: dffffc0000000000 [ 137.900772] ? vprintk_func+0x85/0x181 [ 137.900795] igmp_start_timer+0xaf/0xe0 [ 137.900813] igmp_rcv+0x190e/0x3020 [ 137.900845] ? ip_mc_leave_group+0x4b0/0x4b0 [ 137.900861] ? raw_rcv_skb+0x43/0x70 [ 137.900881] ? kasan_check_write+0x14/0x20 [ 137.900898] ? do_raw_read_unlock+0x3f/0x70 [ 137.900912] ? _raw_read_unlock+0x2c/0x50 [ 137.900928] ? raw_local_deliver+0x2ca/0xc3a [ 137.900946] ? graph_lock+0x170/0x170 [ 137.900965] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 137.900985] ? check_preemption_disabled+0x48/0x280 [ 137.922696] kobject: 'loop0' (00000000bb071bb3): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 137.929246] ? check_preemption_disabled+0x48/0x280 [ 137.929274] ? __lock_is_held+0xb5/0x140 [ 137.929306] ip_local_deliver_finish+0x2e9/0xda0 [ 137.929329] ? ip_sublist_rcv_finish+0x3f0/0x3f0 [ 137.929347] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 137.994763] kobject: 'loop0' (00000000bb071bb3): kobject_uevent_env [ 137.994959] ? nf_hook_slow+0x11e/0x1c0 [ 138.013695] kobject: 'loop0' (00000000bb071bb3): fill_kobj_path: path = '/devices/virtual/block/loop0' [ 138.018222] ip_local_deliver+0x1e9/0x750 [ 138.018243] ? ip_call_ra_chain+0x730/0x730 [ 138.018265] ? ip_sublist_rcv_finish+0x3f0/0x3f0 [ 138.040275] kobject: 'loop2' (00000000a8e797db): kobject_uevent_env [ 138.047821] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 138.047839] ? kasan_check_read+0x11/0x20 [ 138.047856] ? __sanitizer_cov_trace_cmp4+0x16/0x20 [ 138.047874] ? rcu_bh_qs+0xc0/0xc0 [ 138.070224] kobject: 'loop2' (00000000a8e797db): fill_kobj_path: path = '/devices/virtual/block/loop2' [ 138.073283] ip_rcv_finish+0x1f9/0x300 [ 138.073303] ip_rcv+0xed/0x600 [ 138.073326] ? ip_local_deliver+0x750/0x750 [ 138.086974] kobject: 'loop1' (00000000e9aad143): kobject_uevent_env [ 138.095445] ? pvclock_read_flags+0x160/0x160 [ 138.095468] ? ip_rcv_finish_core.isra.15+0x1f40/0x1f40 [ 138.095484] ? rcu_bh_qs+0xc0/0xc0 [ 138.095506] ? lock_acquire+0x1ed/0x520 [ 138.095530] __netif_receive_skb_one_core+0x14d/0x200 [ 138.095547] ? __netif_receive_skb_core+0x3b60/0x3b60 [ 138.095561] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 138.095577] ? rcu_bh_qs+0xc0/0xc0 [ 138.095599] __netif_receive_skb+0x2c/0x1e0 [ 138.107397] kobject: 'loop1' (00000000e9aad143): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 138.113563] netif_receive_skb_internal+0x12c/0x620 [ 138.113582] ? check_preemption_disabled+0x48/0x280 [ 138.113599] ? dev_cpu_dead+0xa80/0xa80 [ 138.113621] ? __sanitizer_cov_trace_const_cmp2+0x18/0x20 [ 138.113666] ? eth_type_trans+0x2ea/0x760 [ 138.133602] kobject: 'loop1' (00000000e9aad143): kobject_uevent_env [ 138.136194] ? eth_gro_receive+0x920/0x920 [ 138.136229] napi_gro_frags+0x75a/0xc90 [ 138.159118] kobject: 'loop1' (00000000e9aad143): fill_kobj_path: path = '/devices/virtual/block/loop1' [ 138.163965] ? napi_gro_receive+0x5f0/0x5f0 [ 138.163983] ? eth_get_headlen+0x173/0x1f0 [ 138.164001] ? eth_type_trans+0x760/0x760 [ 138.164021] ? tun_get_user+0x3160/0x4250 [ 138.164040] tun_get_user+0x3189/0x4250 [ 138.164058] ? __sanitizer_cov_trace_switch+0x53/0x90 [ 138.164080] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 138.164108] ? tun_build_skb.isra.51+0x2230/0x2230 [ 138.248324] ? drop_futex_key_refs.isra.15+0x6d/0xe0 [ 138.253445] ? futex_wake+0x304/0x760 [ 138.257279] ? tun_get+0x206/0x370 [ 138.260827] ? lock_downgrade+0x900/0x900 [ 138.264964] ? check_preemption_disabled+0x48/0x280 [ 138.269970] ? rcu_read_unlock_special.part.39+0x11f0/0x11f0 [ 138.275757] ? kasan_check_read+0x11/0x20 [ 138.279891] ? rcu_dynticks_curr_cpu_in_eqs+0x9f/0x160 [ 138.285158] ? rcu_bh_qs+0xc0/0xc0 [ 138.288692] ? tun_get+0x22d/0x370 [ 138.292217] ? tun_chr_close+0x180/0x180 [ 138.296272] tun_chr_write_iter+0xb9/0x154 [ 138.300496] do_iter_readv_writev+0x8b0/0xa80 [ 138.304981] ? vfs_dedupe_file_range+0x670/0x670 [ 138.309735] ? rw_verify_area+0x118/0x360 [ 138.313880] do_iter_write+0x185/0x5f0 [ 138.317763] ? dup_iter+0x270/0x270 [ 138.321382] vfs_writev+0x1f1/0x360 [ 138.325042] ? vfs_iter_write+0xb0/0xb0 [ 138.329015] ? lock_release+0x970/0x970 [ 138.332978] ? arch_local_save_flags+0x40/0x40 [ 138.337550] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 138.342998] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 138.348531] ? __fdget_pos+0xde/0x200 [ 138.352340] ? __fdget_raw+0x20/0x20 [ 138.356045] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 138.361570] ? put_timespec64+0x10f/0x1b0 [ 138.365707] do_writev+0x11a/0x310 [ 138.369243] ? vfs_writev+0x360/0x360 [ 138.373032] ? __bpf_trace_preemptirq_template+0x30/0x30 [ 138.378476] __x64_sys_writev+0x75/0xb0 [ 138.382440] do_syscall_64+0x1b9/0x820 [ 138.386334] ? entry_SYSCALL_64_after_hwframe+0x3e/0xbe [ 138.391687] ? syscall_return_slowpath+0x5e0/0x5e0 [ 138.396601] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 138.401431] ? trace_hardirqs_on_caller+0x310/0x310 [ 138.406435] ? prepare_exit_to_usermode+0x3b0/0x3b0 [ 138.411438] ? prepare_exit_to_usermode+0x291/0x3b0 [ 138.416443] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 138.421277] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 138.426453] RIP: 0033:0x457421 [ 138.429636] Code: 75 14 b8 14 00 00 00 0f 05 48 3d 01 f0 ff ff 0f 83 34 b5 fb ff c3 48 83 ec 08 e8 1a 2d 00 00 48 89 04 24 b8 14 00 00 00 0f 05 <48> 8b 3c 24 48 89 c2 e8 63 2d 00 00 48 89 d0 48 83 c4 08 48 3d 01 [ 138.448538] RSP: 002b:00007f54d775dba0 EFLAGS: 00000293 ORIG_RAX: 0000000000000014 [ 138.456238] RAX: ffffffffffffffda RBX: 000000000000002a RCX: 0000000000457421 [ 138.463490] RDX: 0000000000000001 RSI: 00007f54d775dbf0 RDI: 00000000000000f0 [ 138.470748] RBP: 0000000020000240 R08: 00000000000000f0 R09: 0000000000000000 [ 138.478004] R10: 0000000000000000 R11: 0000000000000293 R12: 00007f54d775e6d4 [ 138.485260] R13: 00000000004c4890 R14: 00000000004d7b90 R15: 00000000ffffffff [ 138.493585] Kernel Offset: disabled [ 138.497285] Rebooting in 86400 seconds..