[....] Starting enhanced syslogd: rsyslogd[ 17.088453] audit: type=1400 audit(1519613338.482:5): avc: denied { syslog } for pid=4082 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: [ 21.624568] audit: type=1400 audit(1519613343.018:6): avc: denied { map } for pid=4223 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 '10.128.0.56' (ECDSA) to the list of known hosts. executing program [ 27.894380] audit: type=1400 audit(1519613349.288:7): avc: denied { map } for pid=4237 comm="syzkaller550833" path="/root/syzkaller550833032" 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 [ 27.904172] ------------[ cut here ]------------ [ 27.920319] audit: type=1400 audit(1519613349.288:8): avc: denied { create } for pid=4237 comm="syzkaller550833" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 27.925110] ieee80211 ×JQáJ™²ÓI<…%š³BÚY u'³­c!GÊè°¸§l‡ÂcåÌf!Ÿ²ñ·”qš"ïÕ¯†óQ¿"î’Gb£e˜¿FÆb+ýï0Cc×~ºàOǘ԰åâ£È™Í‡Ö‘Þ¨:UßÒV=ÛFÖ`´Ÿ : device/subsystem name too long [ 27.948984] audit: type=1400 audit(1519613349.288:9): avc: denied { write } for pid=4237 comm="syzkaller550833" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 27.949078] WARNING: CPU: 1 PID: 4237 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 27.996777] Kernel panic - not syncing: panic_on_warn set ... [ 27.996777] [ 28.004111] CPU: 1 PID: 4237 Comm: syzkaller550833 Not tainted 4.16.0-rc2+ #329 [ 28.011529] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.020855] Call Trace: [ 28.023419] dump_stack+0x194/0x24d [ 28.027037] ? arch_local_irq_restore+0x53/0x53 [ 28.031682] ? vsnprintf+0x1ed/0x1900 [ 28.035462] panic+0x1e4/0x41c [ 28.038627] ? refcount_error_report+0x214/0x214 [ 28.043355] ? show_regs_print_info+0x18/0x18 [ 28.047826] ? vprintk_emit+0xa5f/0xb90 [ 28.051777] ? __warn+0x1c1/0x200 [ 28.055206] ? dev_vprintk_emit+0x159/0x510 [ 28.059499] __warn+0x1dc/0x200 [ 28.062752] ? dev_vprintk_emit+0x159/0x510 [ 28.067050] report_bug+0x211/0x2d0 [ 28.070655] fixup_bug.part.11+0x37/0x80 [ 28.074688] do_error_trap+0x2d7/0x3e0 [ 28.078549] ? vprintk_default+0x28/0x30 [ 28.082587] ? math_error+0x400/0x400 [ 28.086359] ? printk+0xaa/0xca [ 28.089613] ? show_regs_print_info+0x18/0x18 [ 28.094090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.098913] do_invalid_op+0x1b/0x20 [ 28.102598] invalid_op+0x58/0x80 [ 28.106033] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 28.110935] RSP: 0018:ffff8801b11b6ca0 EFLAGS: 00010282 [ 28.116271] RAX: dffffc0000000008 RBX: ffff8801b4f48980 RCX: ffffffff815abe7e [ 28.123515] RDX: 0000000000000000 RSI: 1ffff10036236d44 RDI: 1ffff10036236d19 [ 28.130757] RBP: ffff8801b11b6de0 R08: 1ffff10036236cdb R09: 0000000000000000 [ 28.137999] R10: ffff8801b11b6ec8 R11: 0000000000000000 R12: 1ffff10036236d9b [ 28.145247] R13: ffff8801d24c43c0 R14: ffff8801b11b6cf8 R15: ffff8801b11b6e18 [ 28.152502] ? vprintk_func+0x5e/0xc0 [ 28.156288] ? device_check_offline+0x120/0x120 [ 28.160928] ? ieee80211_register_hw+0x1448/0x3100 [ 28.165840] ? genl_rcv_msg+0xb2/0x140 [ 28.169700] ? print_irqtrace_events+0x270/0x270 [ 28.174429] ? sock_sendmsg+0xca/0x110 [ 28.178294] dev_printk_emit+0xc0/0xf0 [ 28.182159] ? dev_vprintk_emit+0x510/0x510 [ 28.186454] ? print_irqtrace_events+0x270/0x270 [ 28.191186] ? device_rename+0x1f0/0x1f0 [ 28.195230] __dev_printk+0xa7/0x120 [ 28.198923] dev_printk+0x111/0x170 [ 28.202526] ? __dev_printk+0x120/0x120 [ 28.206482] ? minstrel_alloc+0x4ad/0x600 [ 28.210614] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 28.215776] ? mutex_lock_nested+0x16/0x20 [ 28.219987] ieee80211_register_hw+0x1448/0x3100 [ 28.224726] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 28.229551] mac80211_hwsim_new_radio+0x1b39/0x2cd0 [ 28.234540] ? string+0x180/0x200 [ 28.237976] ? __rhashtable_insert_fast.constprop.52+0xc50/0xc50 [ 28.244094] ? pointer+0x9c0/0x9c0 [ 28.247609] ? rcu_note_context_switch+0x710/0x710 [ 28.252512] ? kasprintf+0xb3/0xe0 [ 28.256040] ? kvasprintf+0xd5/0x130 [ 28.259741] ? cred_has_capability+0x1a0/0x3d0 [ 28.264301] ? kasprintf+0xb3/0xe0 [ 28.267816] ? kvasprintf_const+0x160/0x160 [ 28.272110] ? check_noncircular+0x20/0x20 [ 28.276332] hwsim_new_radio_nl+0x67a/0x8c0 [ 28.280628] ? mac80211_hwsim_new_radio+0x2cd0/0x2cd0 [ 28.285797] ? __netlink_ns_capable+0xe1/0x120 [ 28.290356] genl_family_rcv_msg+0x7b7/0xfb0 [ 28.294744] ? genl_rcv+0x40/0x40 [ 28.298170] ? lock_downgrade+0x980/0x980 [ 28.302298] ? __lock_is_held+0xb6/0x140 [ 28.306441] genl_rcv_msg+0xb2/0x140 [ 28.310130] netlink_rcv_skb+0x14b/0x380 [ 28.314165] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 28.318723] ? netlink_ack+0xa10/0xa10 [ 28.322581] ? genl_rcv+0x19/0x40 [ 28.326015] ? netlink_skb_destructor+0x1d0/0x1d0 [ 28.330840] ? selinux_nlmsg_lookup+0x32b/0x430 [ 28.335484] genl_rcv+0x28/0x40 [ 28.338738] netlink_unicast+0x4c4/0x6b0 [ 28.342776] ? netlink_attachskb+0x8a0/0x8a0 [ 28.347168] netlink_sendmsg+0xa4a/0xe60 [ 28.351209] ? netlink_unicast+0x6b0/0x6b0 [ 28.355421] ? security_socket_sendmsg+0x89/0xb0 [ 28.360149] ? netlink_unicast+0x6b0/0x6b0 [ 28.364370] sock_sendmsg+0xca/0x110 [ 28.368066] ___sys_sendmsg+0x767/0x8b0 [ 28.372015] ? SyS_membarrier+0x700/0x700 [ 28.376147] ? copy_msghdr_from_user+0x590/0x590 [ 28.380887] ? __pmd_alloc+0x4e0/0x4e0 [ 28.384751] ? check_noncircular+0x20/0x20 [ 28.388960] ? find_held_lock+0x35/0x1d0 [ 28.392999] ? __fget_light+0x2b2/0x3c0 [ 28.396952] ? fget_raw+0x20/0x20 [ 28.400394] ? __do_page_fault+0x5f7/0xc90 [ 28.404602] ? lock_downgrade+0x980/0x980 [ 28.408732] __sys_sendmsg+0xe5/0x210 [ 28.412505] ? __sys_sendmsg+0xe5/0x210 [ 28.416454] ? SyS_shutdown+0x290/0x290 [ 28.420410] ? __do_page_fault+0x3d6/0xc90 [ 28.424625] ? move_addr_to_kernel+0x60/0x60 [ 28.429017] ? __sys_sendmsg+0x210/0x210 [ 28.433056] SyS_sendmsg+0x2d/0x50 [ 28.436571] do_syscall_64+0x280/0x940 [ 28.440433] ? __do_page_fault+0xc90/0xc90 [ 28.444642] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 28.450158] ? syscall_return_slowpath+0x550/0x550 [ 28.455064] ? syscall_return_slowpath+0x2ac/0x550 [ 28.459968] ? retint_user+0x18/0x18 [ 28.463658] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.468480] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 28.473640] RIP: 0033:0x43fdb9 [ 28.476802] RSP: 002b:00007ffcdab94d68 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 28.484483] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fdb9 [ 28.491726] RDX: 0000000000000000 RSI: 00000000204b5fc8 RDI: 0000000000000003 [ 28.498966] RBP: 00000000006ca018 R08: 00000000004002c8 R09: 00000000004002c8 [ 28.506208] R10: 00000000004002c8 R11: 0000000000000203 R12: 00000000004016e0 [ 28.513450] R13: 0000000000401770 R14: 0000000000000000 R15: 0000000000000000 [ 28.521276] Dumping ftrace buffer: [ 28.524890] (ftrace buffer empty) [ 28.528572] Kernel Offset: disabled [ 28.532172] Rebooting in 86400 seconds..