[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[ 20.080187] random: sshd: uninitialized urandom read (32 bytes read, 33 bits of entropy available) [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 21.494211] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [ 21.702925] random: sshd: uninitialized urandom read (32 bytes read, 35 bits of entropy available) [ 22.785762] random: sshd: uninitialized urandom read (32 bytes read, 117 bits of entropy available) [ 22.954305] random: sshd: uninitialized urandom read (32 bytes read, 122 bits of entropy available) Warning: Permanently added '10.128.0.5' (ECDSA) to the list of known hosts. [ 28.442343] random: sshd: uninitialized urandom read (32 bytes read, 128 bits of entropy available) net.ipv6.conf.syz_tun.accept_dad = 0 [ 28.581398] IPVS: Creating netns size=2552 id=1 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 28.639051] IPVS: Creating netns size=2552 id=2 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 28.701220] IPVS: Creating netns size=2552 id=3 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.router_solicitations = 0 [ 28.808393] IPVS: Creating netns size=2552 id=4 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 28.920076] IPVS: Creating netns size=2552 id=5 RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 RTNETLINK answers: Operation not supported [ 29.040361] IPVS: Creating netns size=2552 id=6 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 29.213655] IPVS: Creating netns size=2552 id=7 Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 29.322394] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 29.398930] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist net.ipv6.conf.syz_tun.accept_dad = 0 [ 29.450455] random: nonblocking pool is initialized [ 29.458331] IPVS: Creating netns size=2552 id=8 net.ipv6.conf.syz_tun.router_solicitations = 0 Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 29.609154] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 29.685649] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 29.793932] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 29.872852] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 30.118061] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 30.131269] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist [ 30.193657] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.203251] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist [ 30.305894] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist [ 30.408200] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported Error: argument "bridge0" is wrong: Device does not exist [ 30.478839] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 30.512364] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "team0" is wrong: Device does not exist RTNETLINK answers: Operation not supported Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 30.581321] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "bridge0" is wrong: Device does not exist [ 30.640203] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 30.692323] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 30.730348] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Error: argument "bridge0" is wrong: Device does not exist RTNETLINK answers: Operation not supported [ 30.746114] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 30.794120] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready [ 30.803551] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 30.812871] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 30.830830] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 30.932066] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bridge0" is wrong: Device does not exist [ 30.973238] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 30.983400] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bridge0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 31.076611] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist [ 31.147332] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready RTNETLINK answers: Operation not supported [ 31.211900] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.247567] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist [ 31.258009] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "bridge0" is wrong: Device does not exist [ 31.340865] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 31.355813] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready Error: argument "team0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" [ 31.447601] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bridge: link is not ready [ 31.456274] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready [ 31.466432] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready Error: argument "bond0" is wrong: Device does not exist [ 31.523843] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.563088] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Error: argument "bond0" is wrong: Device does not exist Cannot find device "bridge0" Error: argument "team0" is wrong: Device does not exist [ 31.573387] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.588478] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.611841] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bridge: link is not ready Error: argument "team0" is wrong: Device does not exist [ 31.629991] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" RTNETLINK answers: Operation not supported [ 31.700106] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 31.720164] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Cannot find device "bridge0" [ 31.762176] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready [ 31.772914] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready [ 31.813079] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Error: argument "team0" is wrong: Device does not exist Cannot find device "vcan0" [ 31.862178] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 31.877752] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "vcan0" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" [ 31.950682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Error: argument "team0" is wrong: Device does not exist Error: argument "bond0" is wrong: Device does not exist Cannot find device "vcan0" [ 32.033461] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Error: argument "bond0" is wrong: Device does not exist Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "vcan0" [ 32.126637] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready RTNETLINK answers: Operation not supported [ 32.176873] IPv6: ADDRCONF(NETDEV_UP): veth0_to_bond: link is not ready [ 32.200916] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready [ 32.211259] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "bridge0" [ 32.243813] IPv6: ADDRCONF(NETDEV_UP): veth1_to_bond: link is not ready RTNETLINK answers: Operation not supported Cannot find device "bridge0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 32.317952] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready [ 32.332766] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" [ 32.420421] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Error: argument "team0" is wrong: Device does not exist Cannot find device "gre0" Cannot find device "vcan0" [ 32.480976] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gre0" Error: argument "team0" is wrong: Device does not exist Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gre0" RTNETLINK answers: Operation not supported [ 32.646789] IPv6: ADDRCONF(NETDEV_UP): veth0_to_team: link is not ready Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" [ 32.734980] IPv6: ADDRCONF(NETDEV_UP): veth1_to_team: link is not ready Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "vcan0" [ 32.831086] IPv6: ADDRCONF(NETDEV_CHANGE): veth0_to_bridge: link becomes ready Cannot find device "vcan0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 32.916546] IPv6: ADDRCONF(NETDEV_CHANGE): veth1_to_bridge: link becomes ready Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "ip_vti0" RTNETLINK answers: Operation not supported Cannot find device "bridge0" Cannot find device "ip_vti0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "vcan0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "bridge0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "bridge0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "bridge0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "gre0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "vcan0" Cannot find device "ip6_vti0" RTNETLINK answers: Operation not supported Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "vcan0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "vcan0" Cannot find device "gre0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "gre0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "gretap0" RTNETLINK answers: Operation not supported Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "gre0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "ip_vti0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "gretap0" Cannot find device "ip_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument Cannot find device "gretap0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "gretap0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "ip6_vti0" Cannot find device "ip6_vti0" Cannot find device "ip_vti0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "bond0" RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument Cannot find device "ip_vti0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "ip6_vti0" RTNETLINK answers: Invalid argument Cannot find device "erspan0" RTNETLINK answers: Invalid argument Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "bond0" [ 35.789134] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "ip6_vti0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "erspan0" RTNETLINK answers: Invalid argument Cannot find device "bond0" RTNETLINK answers: Invalid argument Cannot find device "erspan0" [ 36.006320] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" [ 36.203969] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "bond0" RTNETLINK answers: Invalid argument Cannot find device "erspan0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "bond0" Cannot find device "bond0" [ 36.474558] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.505366] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "erspan0" Cannot find device "bond0" Cannot find device "team0" [ 36.685966] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 36.720965] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "bond0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" Cannot find device "team0" [ 36.801251] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" Cannot find device "erspan0" [ 36.915436] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "erspan0" [ 36.978309] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "bond0" [ 37.058043] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "bond0" Cannot find device "team0" Cannot find device "team0" [ 37.237336] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "bond0" [ 37.321445] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" [ 37.553225] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" [ 37.610676] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready Cannot find device "team0" executing program Cannot find device "team0" [ 37.820579] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" Cannot find device "team0" executing program executing program executing program executing program executing program executing program [ 38.754312] ------------[ cut here ]------------ [ 38.759119] WARNING: CPU: 1 PID: 6624 at kernel/signal.c:343 task_participate_group_stop+0x219/0x2c0() [ 38.768657] Kernel panic - not syncing: panic_on_warn set ... [ 38.768657] [ 38.776014] CPU: 1 PID: 6624 Comm: 3 Not tainted 4.4.129-g23eaecc #27 [ 38.782574] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 38.791926] 0000000000000000 6d8739f7078ef2ea ffff8801ca837af8 ffffffff81e0dc8d executing program [ 38.799978] ffffffff83a43ec0 ffff8800afbfe000 ffffffff83a49b00 0000000000000009 [ 38.808000] 0000000000000157 ffff8801ca837bb8 ffffffff81409ed4 0000000041b58ab3 [ 38.816029] Call Trace: [ 38.818608] [] dump_stack+0xc1/0x124 [ 38.823966] [] panic+0x19e/0x38d [ 38.828972] [] ? add_taint.cold.4+0x16/0x16 [ 38.834936] [] ? do_execveat_common.isra.36+0x17fc/0x1f10 [ 38.842107] [] ? SyS_execveat+0x55/0x70 [ 38.847713] [] ? warn_slowpath_common.cold.6+0x5/0x20 executing program [ 38.854541] [] warn_slowpath_common.cold.6+0x20/0x20 [ 38.861282] [] ? task_participate_group_stop+0x219/0x2c0 [ 38.868363] [] warn_slowpath_null+0x29/0x30 [ 38.874308] [] task_participate_group_stop+0x219/0x2c0 [ 38.881209] [] ? do_signal_stop+0x553/0x7c0 [ 38.887158] [] do_signal_stop+0x36f/0x7c0 [ 38.892933] [] get_signal+0x5de/0x14b0 [ 38.898449] [] do_signal+0x8b/0x1d30 [ 38.903792] [] ? put_files_struct+0x208/0x270 [ 38.909918] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 38.910800] ------------[ cut here ]------------ [ 38.910813] WARNING: CPU: 0 PID: 6665 at kernel/signal.c:343 task_participate_group_stop+0x219/0x2c0() [ 38.910817] Modules linked in: [ 38.934045] [] ? setup_sigcontext+0x780/0x780 [ 38.940168] [] ? put_files_struct+0x2a/0x270 [ 38.946205] [] ? do_execveat_common.isra.36+0x242/0x1f10 [ 38.953279] [] ? do_execveat_common.isra.36+0x1077/0x1f10 [ 38.960443] [] ? exit_to_usermode_loop+0xe4/0x160 [ 38.966909] [] exit_to_usermode_loop+0x11a/0x160 [ 38.973289] [] syscall_return_slowpath+0x1b5/0x1f0 [ 38.979849] [] int_ret_from_sys_call+0x25/0xa3 [ 38.986062] CPU: 0 PID: 6665 Comm: 3 Not tainted 4.4.129-g23eaecc #27 [ 38.992625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 39.001950] 0000000000000000 47aed0e0b8e8c3b4 ffff8801d4b5fbb8 ffffffff81e0dc8d [ 39.009948] 0000000000000000 ffff8801ce39b000 ffffffff83a49b00 0000000000000009 [ 39.017949] 0000000000000157 ffff8801d4b5fbf8 ffffffff8112fded ffffffff81155269 [ 39.025943] Call Trace: [ 39.028508] [] dump_stack+0xc1/0x124 [ 39.033852] [] warn_slowpath_common+0xdd/0x120 [ 39.040058] [] ? task_participate_group_stop+0x219/0x2c0 [ 39.047133] [] warn_slowpath_null+0x29/0x30 [ 39.053081] [] task_participate_group_stop+0x219/0x2c0 [ 39.059983] [] ? do_signal_stop+0x553/0x7c0 [ 39.065931] [] do_signal_stop+0x36f/0x7c0 [ 39.071701] [] get_signal+0x5de/0x14b0 [ 39.077212] [] do_signal+0x8b/0x1d30 [ 39.082552] [] ? put_files_struct+0x208/0x270 [ 39.088674] [] ? rcu_read_lock_sched_held+0x103/0x120 [ 39.095487] [] ? setup_sigcontext+0x780/0x780 [ 39.101723] [] ? put_files_struct+0x2a/0x270 [ 39.107755] [] ? do_execveat_common.isra.36+0x242/0x1f10 [ 39.114827] [] ? do_execveat_common.isra.36+0x1077/0x1f10 [ 39.121993] [] ? exit_to_usermode_loop+0xe4/0x160 [ 39.128459] [] exit_to_usermode_loop+0x11a/0x160 [ 39.134844] [] syscall_return_slowpath+0x1b5/0x1f0 [ 39.141399] [] int_ret_from_sys_call+0x25/0xa3 [ 39.147603] ---[ end trace 866e01667dad291f ]--- [ 39.152830] Dumping ftrace buffer: [ 39.156448] (ftrace buffer empty) [ 39.160130] Kernel Offset: disabled [ 39.163779] Rebooting in 86400 seconds..