[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] 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. [ 18.561496] audit: type=1400 audit(1521727796.852:6): avc: denied { map } for pid=4220 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 '10.128.0.35' (ECDSA) to the list of known hosts. syzkaller login: [ 25.048677] audit: type=1400 audit(1521727803.339:7): avc: denied { map } for pid=4234 comm="syzkaller493756" path="/root/syzkaller493756449" 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 [ 25.064456] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 25.103381] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 25.141865] IPVS: ftp: loaded support on port[0] = 21 [ 25.186800] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 [ 25.252529] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.router_solicitations = 0 [ 25.350340] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 net.ipv6.conf.syz_tun.accept_dad = 0 [ 25.456668] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: File exists [ 25.585750] IPVS: ftp: loaded support on port[0] = 21 net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: File exists RTNETLINK answers: File exists net.ipv6.conf.syz_tun.accept_dad = 0 net.ipv6.conf.syz_tun.router_solicitations = 0 RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: Operation not supported [ 26.368475] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.379367] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready [ 26.407072] 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: File exists 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 [ 26.679353] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported [ 26.797448] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready 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 RTNETLINK answers: Operation not supported [ 26.942506] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available [ 27.028488] IPv6: ADDRCONF(NETDEV_UP): bridge0: link is not ready RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: No buffer space available RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 27.195408] 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: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Operation not supported RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument 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 [ 28.645349] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 28.651618] 8021q: adding VLAN 0 to HW filter on device bond0 RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument [ 28.729582] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 28.735795] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.800112] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 28.806290] 8021q: adding VLAN 0 to HW filter on device bond0 [ 28.871540] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 28.946826] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.028193] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 29.034321] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.052212] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready executing program executing program executing program [ 29.110415] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.116723] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.125119] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program [ 29.181840] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 29.187991] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.211337] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.219931] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready executing program executing program [ 29.230941] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program executing program [ 29.297889] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.320438] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.326682] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.340864] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program [ 29.358407] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 29.364535] 8021q: adding VLAN 0 to HW filter on device bond0 executing program executing program executing program executing program executing program executing program [ 29.414138] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.539699] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.546305] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.555944] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.601421] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 29.607559] 8021q: adding VLAN 0 to HW filter on device bond0 [ 29.632495] IPv6: ADDRCONF(NETDEV_UP): bond0: link is not ready [ 29.638634] 8021q: adding VLAN 0 to HW filter on device bond0 executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.670522] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.683789] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.690857] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 29.700910] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.869382] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready [ 29.902748] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 29.909192] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 29.920401] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready [ 29.939822] IPv6: ADDRCONF(NETDEV_UP): veth0: link is not ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.186300] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 30.192791] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 30.208344] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 30.239618] IPv6: ADDRCONF(NETDEV_UP): veth1: link is not ready [ 30.250147] IPv6: ADDRCONF(NETDEV_CHANGE): veth1: link becomes ready [ 30.276341] IPv6: ADDRCONF(NETDEV_CHANGE): veth0: link becomes ready executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program executing program [ 31.734156] WARNING: CPU: 0 PID: 6636 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 31.742768] Kernel panic - not syncing: panic_on_warn set ... [ 31.742768] [ 31.750108] CPU: 0 PID: 6636 Comm: syzkaller493756 Not tainted 4.16.0-rc6+ #361 [ 31.757525] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.766852] Call Trace: [ 31.769422] dump_stack+0x194/0x24d [ 31.773026] ? arch_local_irq_restore+0x53/0x53 [ 31.777672] ? vsnprintf+0x1ed/0x1900 [ 31.781455] panic+0x1e4/0x41c [ 31.784621] ? refcount_error_report+0x214/0x214 [ 31.789349] ? show_regs_print_info+0x18/0x18 [ 31.793821] ? __destroy_inode+0x660/0x660 [ 31.798035] ? __warn+0x1c1/0x200 [ 31.801465] ? smc_unhash_sk+0x335/0x450 [ 31.805500] __warn+0x1dc/0x200 [ 31.808753] ? smc_unhash_sk+0x335/0x450 [ 31.812790] report_bug+0x1f4/0x2b0 [ 31.816397] fixup_bug.part.11+0x37/0x80 [ 31.820435] do_error_trap+0x2d7/0x3e0 [ 31.824733] ? math_error+0x400/0x400 [ 31.828510] ? reacquire_held_locks+0x1f9/0x3e0 [ 31.833161] ? lock_acquire+0x1d5/0x580 [ 31.837109] ? lock_acquire+0x1d5/0x580 [ 31.841065] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.845895] do_invalid_op+0x1b/0x20 [ 31.849584] invalid_op+0x1b/0x40 [ 31.853018] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 31.857658] RSP: 0018:ffff8801d384f198 EFLAGS: 00010293 [ 31.862994] RAX: ffff8801ade6e440 RBX: 1ffff1003a709e37 RCX: ffffffff85a41075 [ 31.870239] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff1003a709e3b [ 31.877482] RBP: ffff8801d384f280 R08: dffffc0000000000 R09: 0000000000000004 [ 31.884723] R10: ffff8801d384f050 R11: 0000000000000004 R12: ffff8801d384f258 [ 31.891967] R13: ffffffff87672500 R14: ffff8801cb16c7c0 R15: 1ffff1003a709e3b [ 31.899221] ? smc_unhash_sk+0x335/0x450 [ 31.903261] ? smc_unhash_sk+0x335/0x450 [ 31.907297] ? smc_hash_sk+0x2f0/0x2f0 [ 31.911158] ? release_sock+0x1d4/0x2a0 [ 31.915106] ? __local_bh_enable_ip+0x121/0x230 [ 31.919752] ? __release_sock+0x360/0x360 [ 31.923872] ? smc_release+0x23d/0x580 [ 31.927733] ? trace_hardirqs_on+0xd/0x10 [ 31.931853] ? __local_bh_enable_ip+0x121/0x230 [ 31.936501] smc_release+0x322/0x580 [ 31.940198] sock_release+0x8d/0x1e0 [ 31.943885] ? sock_alloc_file+0x560/0x560 [ 31.948094] sock_close+0x16/0x20 [ 31.951526] __fput+0x327/0x7e0 [ 31.954786] ? fput+0x140/0x140 [ 31.958041] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.962519] ____fput+0x15/0x20 [ 31.965772] task_work_run+0x199/0x270 [ 31.969635] ? task_work_cancel+0x210/0x210 [ 31.973931] ? _raw_spin_unlock+0x22/0x30 [ 31.978054] ? switch_task_namespaces+0x87/0xc0 [ 31.982701] do_exit+0x9bb/0x1ad0 [ 31.986127] ? find_held_lock+0x35/0x1d0 [ 31.990166] ? mm_update_next_owner+0x930/0x930 [ 31.994810] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 31.999972] ? lock_downgrade+0x980/0x980 [ 32.004096] ? __unqueue_futex+0x1c0/0x290 [ 32.008303] ? lock_release+0xa40/0xa40 [ 32.012250] ? fault_in_user_writeable+0x90/0x90 [ 32.016980] ? do_raw_spin_trylock+0x190/0x190 [ 32.021534] ? futex_wake+0x680/0x680 [ 32.025317] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 32.030396] ? futex_wait+0x6a9/0x9a0 [ 32.034187] ? trace_hardirqs_off+0x10/0x10 [ 32.038482] ? drop_futex_key_refs.isra.13+0x63/0xb0 [ 32.043559] ? futex_wake+0x2ca/0x680 [ 32.047340] ? memset+0x31/0x40 [ 32.050601] ? find_held_lock+0x35/0x1d0 [ 32.054644] ? get_signal+0x7a9/0x16d0 [ 32.058508] ? lock_downgrade+0x980/0x980 [ 32.062637] do_group_exit+0x149/0x400 [ 32.066498] ? do_raw_spin_trylock+0x190/0x190 [ 32.071054] ? SyS_exit+0x30/0x30 [ 32.074481] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.078950] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.083944] get_signal+0x73a/0x16d0 [ 32.087640] ? ptrace_notify+0x130/0x130 [ 32.091673] ? release_sock+0x1d4/0x2a0 [ 32.095621] ? lock_downgrade+0x980/0x980 [ 32.099741] ? lock_downgrade+0x980/0x980 [ 32.103862] ? lock_release+0xa40/0xa40 [ 32.107808] ? release_sock+0x1d4/0x2a0 [ 32.111753] ? trace_hardirqs_on+0xd/0x10 [ 32.115871] ? __local_bh_enable_ip+0x121/0x230 [ 32.120513] ? __local_bh_enable_ip+0x121/0x230 [ 32.125161] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.130151] ? release_sock+0x1d4/0x2a0 [ 32.134099] ? trace_hardirqs_on+0xd/0x10 [ 32.138223] do_signal+0x90/0x1e90 [ 32.141737] ? release_sock+0x1d4/0x2a0 [ 32.145689] ? __release_sock+0x360/0x360 [ 32.149816] ? setup_sigcontext+0x7d0/0x7d0 [ 32.154110] ? kernel_connect+0x6a/0x90 [ 32.158062] ? smc_connect+0x1c2/0x240 [ 32.161923] ? fput+0xd2/0x140 [ 32.165089] ? SYSC_connect+0x2e0/0x4a0 [ 32.169042] ? SYSC_bind+0x410/0x410 [ 32.172745] ? exit_to_usermode_loop+0x8c/0x2f0 [ 32.177397] exit_to_usermode_loop+0x258/0x2f0 [ 32.181954] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 32.187464] ? do_raw_spin_trylock+0x190/0x190 [ 32.192021] ? do_syscall_64+0xb7/0x940 [ 32.195978] do_syscall_64+0x6ec/0x940 [ 32.199839] ? _raw_spin_unlock_irq+0x27/0x70 [ 32.204310] ? finish_task_switch+0x1c1/0x7e0 [ 32.208777] ? syscall_return_slowpath+0x550/0x550 [ 32.213768] ? syscall_return_slowpath+0x2ac/0x550 [ 32.218672] ? prepare_exit_to_usermode+0x350/0x350 [ 32.223669] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 32.229016] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.233840] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 32.239000] RIP: 0033:0x447b99 [ 32.242168] RSP: 002b:00007fd0b9e50cf8 EFLAGS: 00000246 ORIG_RAX: 00000000000000ca [ 32.249848] RAX: fffffffffffffe00 RBX: 00000000006e3a1c RCX: 0000000000447b99 [ 32.257090] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 00000000006e3a1c [ 32.264333] RBP: 00000000006e3a18 R08: 0000000000000000 R09: 0000000000000000 [ 32.271574] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 32.278817] R13: 00007fffe45953af R14: 00007fd0b9e519c0 R15: 00000000006e3b80 [ 32.286629] Dumping ftrace buffer: [ 32.290242] (ftrace buffer empty) [ 32.293924] Kernel Offset: disabled [ 32.297525] Rebooting in 86400 seconds..