[....] Starting enhanced syslogd: rsyslogd[ 15.417111] audit: type=1400 audit(1518352615.958:5): avc: denied { syslog } for pid=3950 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.785689] audit: type=1400 audit(1518352618.327:6): avc: denied { map } for pid=4091 comm="bash" path="/bin/bash" dev="sda1" ino=1457 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 Warning: Permanently added '10.128.0.52' (ECDSA) to the list of known hosts. net.ipv6.conf.syz7.accept_dad = 0 [ 24.044747] audit: type=1400 audit(1518352624.586:7): avc: denied { map } for pid=4105 comm="syzkaller114223" path="/root/syzkaller114223539" 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 net.ipv6.conf.syz5.accept_dad = 0 net.ipv6.conf.syz1.accept_dad = 0 net.ipv6.conf.syz3.accept_dad = 0 net.ipv6.conf.syz4.accept_dad = 0 net.ipv6.conf.syz6.accept_dad = 0 net.ipv6.conf.syz2.accept_dad = 0 net.ipv6.conf.syz0.accept_dad = 0 net.ipv6.conf.syz7.router_solicitations = 0 net.ipv6.conf.syz3.router_solicitations = 0 net.ipv6.conf.syz5.router_solicitations = 0 net.ipv6.conf.syz1.router_solicitations = 0 net.ipv6.conf.syz2.router_solicitations = 0 net.ipv6.conf.syz4.router_solicitations = 0 net.ipv6.conf.syz6.router_solicitations = 0 net.ipv6.conf.syz0.router_solicitations = 0 RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists RTNETLINK answers: File exists 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: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported RTNETLINK answers: Operation not supported [ 25.916920] 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: 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: Operation not supported RTNETLINK answers: No buffer space available 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 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 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 RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument RTNETLINK answers: Invalid argument executing program executing program executing program executing program executing program executing program executing program executing program [ 28.004975] ipt_CLUSTERIP: ipt_CLUSTERIP is deprecated and it will removed soon, use xt_cluster instead [ 28.008841] ipt_CLUSTERIP: ipt_CLUSTERIP is deprecated and it will removed soon, use xt_cluster instead [ 28.024345] ipt_CLUSTERIP: Please specify destination IP [ 28.025189] ipt_CLUSTERIP: Please specify destination IP [ 28.031369] ipt_CLUSTERIP: Please specify destination IP [ 28.036319] ipt_CLUSTERIP: Please specify destination IP [ 28.041978] ipt_CLUSTERIP: Please specify destination IP executing program [ 28.053581] ipt_CLUSTERIP: Please specify destination IP [ 28.056299] ipt_CLUSTERIP: Please specify destination IP [ 28.066087] ------------[ cut here ]------------ [ 28.071048] proc_dir_entry 'ipt_CLUSTERIP/255.255.255.255' already registered [ 28.078389] WARNING: CPU: 0 PID: 5216 at fs/proc/generic.c:330 proc_register+0x2d6/0x3b0 [ 28.086589] Kernel panic - not syncing: panic_on_warn set ... [ 28.086589] [ 28.093923] CPU: 0 PID: 5216 Comm: syzkaller114223 Not tainted 4.15.0+ #308 [ 28.100994] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.110329] Call Trace: [ 28.112895] dump_stack+0x194/0x257 [ 28.116498] ? arch_local_irq_restore+0x53/0x53 [ 28.121146] ? vsnprintf+0x1ed/0x1900 [ 28.124929] panic+0x1e4/0x41c [ 28.128097] ? refcount_error_report+0x214/0x214 [ 28.132828] ? show_regs_print_info+0x18/0x18 [ 28.137306] ? __warn+0x1c1/0x200 [ 28.140741] ? proc_register+0x2d6/0x3b0 [ 28.144773] __warn+0x1dc/0x200 [ 28.148032] ? proc_register+0x2d6/0x3b0 [ 28.152243] report_bug+0x211/0x2d0 [ 28.155856] fixup_bug.part.11+0x37/0x80 [ 28.159892] do_error_trap+0x2d7/0x3e0 [ 28.163752] ? vprintk_default+0x28/0x30 [ 28.167788] ? math_error+0x400/0x400 [ 28.171561] ? printk+0xaa/0xca [ 28.174817] ? show_regs_print_info+0x18/0x18 [ 28.179296] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.184120] do_invalid_op+0x1b/0x20 [ 28.187806] invalid_op+0x22/0x40 [ 28.191233] RIP: 0010:proc_register+0x2d6/0x3b0 [ 28.195870] RSP: 0018:ffff8801ca8f73d8 EFLAGS: 00010286 [ 28.201209] RAX: dffffc0000000008 RBX: ffff8801d20ed090 RCX: ffffffff815aaf3e [ 28.208451] RDX: 0000000000000000 RSI: 1ffff1003951ee2b RDI: 1ffff1003951ee00 [ 28.215780] RBP: ffff8801ca8f7430 R08: 1ffff1003951edc2 R09: 0000000000000000 [ 28.223028] R10: ffff8801ca8f7290 R11: 0000000000000000 R12: ffff8801b51eb040 [ 28.230270] R13: dffffc0000000000 R14: ffff8801bdbd42a0 R15: ffff8801b51eb0fb [ 28.237532] ? vprintk_func+0x5e/0xc0 [ 28.241315] ? proc_register+0x2d6/0x3b0 [ 28.245366] proc_create_data+0xf8/0x180 [ 28.249409] clusterip_tg_check+0xf9c/0x16d0 [ 28.253802] ? arp_mangle+0x550/0x550 [ 28.257578] ? xt_find_target+0x150/0x1e0 [ 28.261703] ? lock_downgrade+0x980/0x980 [ 28.265830] ? rcu_read_lock_sched_held+0x108/0x120 [ 28.270821] ? pcpu_alloc+0x146/0x10e0 [ 28.274703] ? pcpu_free_area+0xa00/0xa00 [ 28.278829] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 28.283650] ? wait_for_completion+0x770/0x770 [ 28.288212] ? arp_mangle+0x550/0x550 [ 28.291993] xt_check_target+0x22c/0x7d0 [ 28.296040] ? xt_target_seq_next+0x30/0x30 [ 28.300338] ? save_stack+0x43/0xd0 [ 28.303938] ? kfree+0xd9/0x260 [ 28.307189] ? kvfree+0x36/0x60 [ 28.310440] ? translate_table+0xdd2/0x1610 [ 28.314742] ? mutex_unlock+0xd/0x10 [ 28.318427] ? xt_find_target+0x17b/0x1e0 [ 28.322562] find_check_entry.isra.8+0x8c8/0xcb0 [ 28.327306] ? ipt_do_table+0x1950/0x1950 [ 28.331440] ? trace_hardirqs_off+0xd/0x10 [ 28.335652] ? kfree+0xf3/0x260 [ 28.338910] ? trace_hardirqs_on+0xd/0x10 [ 28.343038] translate_table+0xed1/0x1610 [ 28.347180] ? alloc_counters.isra.11+0x7d0/0x7d0 [ 28.351999] ? kasan_check_write+0x14/0x20 [ 28.356213] ? _copy_from_user+0x99/0x110 [ 28.360337] do_ipt_set_ctl+0x370/0x5f0 [ 28.364289] ? translate_compat_table+0x1b90/0x1b90 [ 28.369293] ? mutex_unlock+0xd/0x10 [ 28.372979] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.378238] nf_setsockopt+0x67/0xc0 [ 28.381928] ip_setsockopt+0x97/0xa0 [ 28.385625] raw_setsockopt+0xb7/0xd0 [ 28.389408] sock_common_setsockopt+0x95/0xd0 [ 28.393884] SyS_setsockopt+0x189/0x360 [ 28.397835] ? SyS_recv+0x40/0x40 [ 28.401266] ? mm_fault_error+0x2c0/0x2c0 [ 28.405391] ? do_raw_spin_trylock+0x190/0x190 [ 28.409947] ? do_syscall_64+0xb7/0x940 [ 28.413897] ? SyS_recv+0x40/0x40 [ 28.417328] do_syscall_64+0x282/0x940 [ 28.421189] ? __do_page_fault+0xc90/0xc90 [ 28.425397] ? finish_task_switch+0x1e2/0x890 [ 28.429864] ? finish_task_switch+0x1b9/0x890 [ 28.434338] ? syscall_return_slowpath+0x550/0x550 [ 28.439242] ? syscall_return_slowpath+0x2ac/0x550 [ 28.444146] ? prepare_exit_to_usermode+0x350/0x350 [ 28.449139] ? retint_user+0x18/0x18 [ 28.452832] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.457655] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 28.462829] RIP: 0033:0x44b879 [ 28.465995] RSP: 002b:00007facc69e6d48 EFLAGS: 00000202 ORIG_RAX: 0000000000000036 [ 28.473681] RAX: ffffffffffffffda RBX: 00000000006ddc20 RCX: 000000000044b879 [ 28.480924] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000004 [ 28.488165] RBP: 00000000006ddc24 R08: 0000000000000368 R09: 0000000000000000 [ 28.495406] R10: 00000000204a0c98 R11: 0000000000000202 R12: 0000000000000000 [ 28.502649] R13: 00007ffdf4a5572f R14: 00007facc69e79c0 R15: 0000000000000004 [ 28.510544] Dumping ftrace buffer: [ 28.514163] (ftrace buffer empty) [ 28.517847] Kernel Offset: disabled [ 28.521448] Rebooting in 86400 seconds..