[....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c. [ 29.541993] kauditd_printk_skb: 7 callbacks suppressed [ 29.542005] audit: type=1800 audit(1545050775.648:29): pid=5914 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 29.567358] audit: type=1800 audit(1545050775.648:30): pid=5914 uid=0 auid=4294967295 ses=4294967295 subj==unconfined op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 34.655007] sshd (6052) used greatest stack depth: 15744 bytes left Warning: Permanently added '10.128.0.57' (ECDSA) to the list of known hosts. [ 57.052265] IPVS: ftp: loaded support on port[0] = 21 [ 57.052752] IPVS: ftp: loaded support on port[0] = 21 [ 57.063443] IPVS: ftp: loaded support on port[0] = 21 [ 57.070562] IPVS: ftp: loaded support on port[0] = 21 [ 57.075041] IPVS: ftp: loaded support on port[0] = 21 [ 57.081176] IPVS: ftp: loaded support on port[0] = 21 [ 57.978648] bridge0: port 1(bridge_slave_0) entered blocking state [ 57.997557] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.005316] device bridge_slave_0 entered promiscuous mode [ 58.014693] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.021648] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.029400] device bridge_slave_0 entered promiscuous mode [ 58.059962] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.068143] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.075677] device bridge_slave_1 entered promiscuous mode [ 58.082475] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.088948] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.095882] device bridge_slave_0 entered promiscuous mode [ 58.102646] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.109102] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.116205] device bridge_slave_0 entered promiscuous mode [ 58.124355] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.130978] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.138175] device bridge_slave_0 entered promiscuous mode [ 58.146404] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.152737] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.160115] device bridge_slave_1 entered promiscuous mode [ 58.168161] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.176479] bridge0: port 1(bridge_slave_0) entered blocking state [ 58.182810] bridge0: port 1(bridge_slave_0) entered disabled state [ 58.194301] device bridge_slave_0 entered promiscuous mode [ 58.202399] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.209751] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.216846] device bridge_slave_1 entered promiscuous mode [ 58.223341] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.232711] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.239849] device bridge_slave_1 entered promiscuous mode [ 58.247653] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.256216] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.265892] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.274081] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.285923] device bridge_slave_1 entered promiscuous mode [ 58.292700] bridge0: port 2(bridge_slave_1) entered blocking state [ 58.299273] bridge0: port 2(bridge_slave_1) entered disabled state [ 58.306178] device bridge_slave_1 entered promiscuous mode [ 58.314135] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.322755] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.331262] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.341730] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.368649] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 58.380536] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.397133] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.405457] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.427429] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 58.456147] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.482319] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.514551] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.539243] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.568050] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.577463] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.585404] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.594932] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.609114] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.619847] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.633303] bond0: Enslaving bond_slave_0 as an active interface with an up link [ 58.645211] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.655130] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.666873] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.675793] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.685781] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.695514] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.708175] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.715818] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.724530] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.740948] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.751651] bond0: Enslaving bond_slave_1 as an active interface with an up link [ 58.771251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.781853] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.795418] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.804492] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.813687] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.825720] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 58.836560] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.848386] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.860390] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bond: link becomes ready [ 58.871753] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.891794] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.907555] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.916388] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 58.927370] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bond: link becomes ready [ 58.973499] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 58.981329] team0: Port device team_slave_0 added [ 59.031780] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.048968] team0: Port device team_slave_0 added [ 59.061545] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.072024] team0: Port device team_slave_1 added [ 59.080410] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.089710] team0: Port device team_slave_0 added [ 59.097884] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.105291] team0: Port device team_slave_0 added [ 59.130881] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.148744] team0: Port device team_slave_1 added [ 59.157244] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.189550] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.197110] team0: Port device team_slave_0 added [ 59.205986] IPv6: ADDRCONF(NETDEV_UP): team_slave_0: link is not ready [ 59.216234] team0: Port device team_slave_0 added [ 59.223980] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.233664] team0: Port device team_slave_1 added [ 59.241071] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.257774] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.265913] team0: Port device team_slave_1 added [ 59.276052] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.289202] team0: Port device team_slave_1 added [ 59.305688] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.320206] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.338653] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.351364] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.379661] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.387316] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.395098] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.403759] IPv6: ADDRCONF(NETDEV_UP): team_slave_1: link is not ready [ 59.411175] team0: Port device team_slave_1 added [ 59.425627] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.435808] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.454383] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.464062] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.472773] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.499037] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.511440] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.535014] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.544255] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.552499] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_0: link becomes ready [ 59.566554] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.576626] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.586113] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.599440] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.617578] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.625482] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.633409] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.641590] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.652058] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.668201] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.677896] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.686991] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 59.699985] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.716670] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.724554] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.733904] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.742246] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.750677] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.758972] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.766888] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.774545] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_team: link becomes ready [ 59.782284] IPv6: ADDRCONF(NETDEV_CHANGE): team_slave_1: link becomes ready [ 59.792195] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.806014] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_0: link is not ready [ 59.816178] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.835236] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 59.851348] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_0: link becomes ready [ 59.860141] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 59.893303] IPv6: ADDRCONF(NETDEV_UP): bridge_slave_1: link is not ready [ 59.912486] IPv6: ADDRCONF(NETDEV_CHANGE): bridge_slave_1: link becomes ready [ 59.936908] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 60.472186] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.478779] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.485768] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.492190] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.505431] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.524084] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.530491] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.537240] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.543624] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.559333] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.576904] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.583273] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.589995] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.596414] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.618372] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.624752] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.633432] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.641627] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 60.654409] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.660826] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.667644] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.674017] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.681347] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 60.691766] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.698168] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.704821] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.711217] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.720776] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 60.850162] bridge0: port 2(bridge_slave_1) entered blocking state [ 60.856582] bridge0: port 2(bridge_slave_1) entered forwarding state [ 60.863310] bridge0: port 1(bridge_slave_0) entered blocking state [ 60.869757] bridge0: port 1(bridge_slave_0) entered forwarding state [ 60.885730] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 61.666527] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.673802] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready [ 61.689517] IPv6: ADDRCONF(NETDEV_CHANGE): bridge0: link becomes ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 63.532453] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.565115] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.582216] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.599939] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.615874] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.650198] 8021q: adding VLAN 0 to HW filter on device bond0 [ 63.795997] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.838733] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.859300] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.904349] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.917880] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 63.929491] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 64.088870] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.098446] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.105144] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.117467] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.124505] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.138197] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.151376] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.165556] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.175318] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.186477] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.207015] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.215759] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.238649] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.247260] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.254362] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.283535] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 64.296095] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 64.307783] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 64.442096] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.454312] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.469798] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.511536] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.548260] 8021q: adding VLAN 0 to HW filter on device team0 [ 64.566907] 8021q: adding VLAN 0 to HW filter on device team0 [ 78.793699] ------------[ cut here ]------------ [ 78.798506] DEBUG_LOCKS_WARN_ON(!hlock->nest_lock) [ 78.798519] ------------[ cut here ]------------ [ 78.808206] Bad or missing usercopy whitelist? Kernel memory overwrite attempt detected to SLAB object 'task_struct' (offset 1432, size 2)! [ 78.812749] ================================================================== [ 78.821075] WARNING: CPU: 1 PID: 38 at mm/usercopy.c:83 usercopy_warn+0xee/0x110 [ 78.828245] BUG: KASAN: use-after-scope in mm_update_next_owner+0x8ef/0x990 [ 78.835761] Kernel panic - not syncing: panic_on_warn set ... [ 78.842844] Read of size 4 at addr ffff8881d9b4a464 by task syz-executor688/9075 [ 78.848713] CPU: 1 PID: 38 Comm: ���ف���d ������ Not tainted 4.20.0-rc6+ #349 [ 78.856356] [ 78.865567] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.875081] ------------[ cut here ]------------ [ 78.879825] kernel BUG at mm/slab.c:4425! [ 78.884058] WARNING: CPU: 1 PID: 38 at kernel/rcu/tree_plugin.h:438 __rcu_read_unlock+0x266/0x2e0 [ 78.893056] Modules linked in: [ 78.896247] CPU: 1 PID: 38 Comm: ���ف���d ������ Not tainted 4.20.0-rc6+ #349 [ 78.903594] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.912982] usercopy: Kernel memory overwrite attempt detected to SLAB object 'signal_cache' (offset 1328, size 23)! [ 78.923770] ------------[ cut here ]------------ [ 78.928517] kernel BUG at mm/usercopy.c:102! [ 78.932990] invalid opcode: 0000 [#1] PREEMPT SMP KASAN [ 78.938349] CPU: 1 PID: 38 Comm: ���ف���d ������ Not tainted 4.20.0-rc6+ #349 [ 78.945702] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 78.955084] RIP: 0010:usercopy_abort+0xbb/0xbd [ 78.959867] Code: c0 e8 d7 70 b1 ff 48 8b 55 c0 49 89 d9 4d 89 f0 ff 75 c8 4c 89 e1 4c 89 ee 48 c7 c7 40 e1 34 88 ff 75 d0 41 57 e8 e7 bc 97 ff <0f> 0b e8 ac 70 b1 ff e8 37 15 f5 ff 8b 95 e4 fe ff ff 4c 89 e1 31 [ 78.978766] RSP: 0018:ffff8881d9b49438 EFLAGS: 00010086 [ 78.984121] RAX: 0000000000000068 RBX: ffffffff882915a0 RCX: 0000000000000000 [ 78.991390] RDX: 0000000000000000 RSI: ffffffff8165e4b5 RDI: 0000000000000005 [ 78.998653] RBP: ffff8881d9b49490 R08: ffff8881d9b4a440 R09: ffffed103b5e3ef8 [ 79.005915] R10: ffffed103b5e3ef8 R11: ffff8881daf1f7c7 R12: ffffffff8915057d [ 79.013179] R13: ffffffff8834dfa0 R14: ffffffff8834dee0 R15: ffffffff8834dea0 [ 79.020765] FS: 0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 79.028985] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.034857] CR2: 0000000000000130 CR3: 00000001bb464000 CR4: 00000000001406e0 [ 79.042123] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.049393] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.056907] Call Trace: [ 79.059480] Modules linked in: [ 79.062747] ---[ end trace eca63c4def547053 ]--- [ 79.067574] RIP: 0010:usercopy_abort+0xbb/0xbd [ 79.072161] Code: c0 e8 d7 70 b1 ff 48 8b 55 c0 49 89 d9 4d 89 f0 ff 75 c8 4c 89 e1 4c 89 ee 48 c7 c7 40 e1 34 88 ff 75 d0 41 57 e8 e7 bc 97 ff <0f> 0b e8 ac 70 b1 ff e8 37 15 f5 ff 8b 95 e4 fe ff ff 4c 89 e1 31 [ 79.091181] RSP: 0018:ffff8881d9b49438 EFLAGS: 00010086 [ 79.096543] RAX: 0000000000000068 RBX: ffffffff882915a0 RCX: 0000000000000000 [ 79.103821] RDX: 0000000000000000 RSI: ffffffff8165e4b5 RDI: 0000000000000005 [ 79.111083] RBP: ffff8881d9b49490 R08: ffff8881d9b4a440 R09: ffffed103b5e3ef8 [ 79.118346] R10: ffffed103b5e3ef8 R11: ffff8881daf1f7c7 R12: ffffffff8915057d [ 79.125620] R13: ffffffff8834dfa0 R14: ffffffff8834dee0 R15: ffffffff8834dea0 [ 79.132889] FS: 0000000000000000(0000) GS:ffff8881daf00000(0000) knlGS:0000000000000000 [ 79.141112] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 79.146984] CR2: 0000000000000130 CR3: 00000001bb464000 CR4: 00000000001406e0 [ 79.154248] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 79.161610] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 79.168874] Kernel panic - not syncing: Fatal exception in interrupt [ 80.365274] Shutting down cpus with NMI [ 80.370260] Kernel Offset: disabled [ 80.373984] Rebooting in 86400 seconds..