[....] Starting enhanced syslogd: rsyslogd[ 17.175234] audit: type=1400 audit(1519613378.773:5): avc: denied { syslog } for pid=4086 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: [ 23.462137] audit: type=1400 audit(1519613385.059:6): avc: denied { map } for pid=4227 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 '10.128.0.54' (ECDSA) to the list of known hosts. executing program [ 29.745902] audit: type=1400 audit(1519613391.343:7): avc: denied { map } for pid=4241 comm="syzkaller161775" path="/root/syzkaller161775757" 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 [ 29.754511] ------------[ cut here ]------------ [ 29.771842] audit: type=1400 audit(1519613391.343:8): avc: denied { create } for pid=4241 comm="syzkaller161775" 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 [ 29.776666] 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 [ 29.800551] audit: type=1400 audit(1519613391.343:9): avc: denied { write } for pid=4241 comm="syzkaller161775" 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 [ 29.800627] WARNING: CPU: 1 PID: 4241 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 29.848346] Kernel panic - not syncing: panic_on_warn set ... [ 29.848346] [ 29.855684] CPU: 1 PID: 4241 Comm: syzkaller161775 Not tainted 4.16.0-rc2+ #239 [ 29.863101] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 29.873116] Call Trace: [ 29.875689] dump_stack+0x194/0x24d [ 29.879295] ? arch_local_irq_restore+0x53/0x53 [ 29.883939] ? vsnprintf+0x1ed/0x1900 [ 29.887717] panic+0x1e4/0x41c [ 29.890882] ? refcount_error_report+0x214/0x214 [ 29.895609] ? show_regs_print_info+0x18/0x18 [ 29.900077] ? vprintk_emit+0xa5f/0xb90 [ 29.904038] ? __warn+0x1c1/0x200 [ 29.907471] ? dev_vprintk_emit+0x159/0x510 [ 29.911764] __warn+0x1dc/0x200 [ 29.915016] ? dev_vprintk_emit+0x159/0x510 [ 29.919312] report_bug+0x211/0x2d0 [ 29.922917] fixup_bug.part.11+0x37/0x80 [ 29.926949] do_error_trap+0x2d7/0x3e0 [ 29.930807] ? vprintk_default+0x28/0x30 [ 29.934850] ? math_error+0x400/0x400 [ 29.938621] ? printk+0xaa/0xca [ 29.941876] ? show_regs_print_info+0x18/0x18 [ 29.946352] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 29.951170] do_invalid_op+0x1b/0x20 [ 29.954852] invalid_op+0x58/0x80 [ 29.958279] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 29.963175] RSP: 0018:ffff8801d531ec50 EFLAGS: 00010286 [ 29.968509] RAX: dffffc0000000008 RBX: ffff8801d5b80980 RCX: ffffffff815abe7e [ 29.975750] RDX: 0000000000000000 RSI: 1ffff1003aa63d3a RDI: 1ffff1003aa63d0f [ 29.982990] RBP: ffff8801d531ed90 R08: 1ffff1003aa63cd1 R09: 0000000000000000 [ 29.990231] R10: ffff8801d531ee78 R11: 0000000000000000 R12: 1ffff1003aa63d91 [ 29.997475] R13: ffff8801d1d11f00 R14: ffff8801d531eca8 R15: ffff8801d531edc8 [ 30.004727] ? vprintk_func+0x5e/0xc0 [ 30.008512] ? device_check_offline+0x120/0x120 [ 30.013152] ? ieee80211_register_hw+0x1448/0x3100 [ 30.018064] ? genl_rcv_msg+0xb2/0x140 [ 30.021924] ? print_irqtrace_events+0x270/0x270 [ 30.026647] ? sock_sendmsg+0xca/0x110 [ 30.030510] dev_printk_emit+0xc0/0xf0 [ 30.034368] ? dev_vprintk_emit+0x510/0x510 [ 30.038657] ? print_irqtrace_events+0x270/0x270 [ 30.043386] ? device_rename+0x1f0/0x1f0 [ 30.047426] __dev_printk+0xa7/0x120 [ 30.051111] dev_printk+0x111/0x170 [ 30.054709] ? __dev_printk+0x120/0x120 [ 30.058665] ? minstrel_alloc+0x4ad/0x600 [ 30.062803] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 30.067964] ? mutex_lock_nested+0x16/0x20 [ 30.072173] ieee80211_register_hw+0x1448/0x3100 [ 30.076909] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 30.081737] mac80211_hwsim_new_radio+0x1b39/0x2cd0 [ 30.086729] ? string+0x180/0x200 [ 30.090163] ? __rhashtable_insert_fast.constprop.52+0xc50/0xc50 [ 30.096279] ? pointer+0x9c0/0x9c0 [ 30.099793] ? rcu_note_context_switch+0x710/0x710 [ 30.104698] ? kasprintf+0xb3/0xe0 [ 30.108212] ? kvasprintf+0xd5/0x130 [ 30.111901] ? cred_has_capability+0x1a0/0x3d0 [ 30.116469] ? kasprintf+0xb3/0xe0 [ 30.119986] ? kvasprintf_const+0x160/0x160 [ 30.124278] ? check_noncircular+0x20/0x20 [ 30.128497] hwsim_new_radio_nl+0x67a/0x8c0 [ 30.132792] ? mac80211_hwsim_new_radio+0x2cd0/0x2cd0 [ 30.137967] ? __netlink_ns_capable+0xe1/0x120 [ 30.142526] genl_family_rcv_msg+0x7b7/0xfb0 [ 30.146913] ? genl_rcv+0x40/0x40 [ 30.150337] ? lock_downgrade+0x980/0x980 [ 30.154464] ? __lock_is_held+0xb6/0x140 [ 30.158515] genl_rcv_msg+0xb2/0x140 [ 30.162204] netlink_rcv_skb+0x14b/0x380 [ 30.166237] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 30.170794] ? netlink_ack+0xa10/0xa10 [ 30.174650] ? genl_rcv+0x19/0x40 [ 30.178077] ? netlink_skb_destructor+0x1d0/0x1d0 [ 30.182892] ? selinux_nlmsg_lookup+0x32b/0x430 [ 30.187536] genl_rcv+0x28/0x40 [ 30.190785] netlink_unicast+0x4c4/0x6b0 [ 30.194822] ? netlink_attachskb+0x8a0/0x8a0 [ 30.199208] netlink_sendmsg+0xa4a/0xe60 [ 30.203246] ? netlink_unicast+0x6b0/0x6b0 [ 30.207465] ? security_socket_sendmsg+0x89/0xb0 [ 30.212192] ? netlink_unicast+0x6b0/0x6b0 [ 30.216396] sock_sendmsg+0xca/0x110 [ 30.220083] ___sys_sendmsg+0x767/0x8b0 [ 30.224025] ? SyS_membarrier+0x700/0x700 [ 30.228152] ? copy_msghdr_from_user+0x590/0x590 [ 30.232889] ? __handle_mm_fault+0x80e/0x3b60 [ 30.237360] ? __pmd_alloc+0x4e0/0x4e0 [ 30.241217] ? check_noncircular+0x20/0x20 [ 30.245433] ? __fget_light+0x2b2/0x3c0 [ 30.249378] ? fget_raw+0x20/0x20 [ 30.252815] ? find_held_lock+0x35/0x1d0 [ 30.256859] __sys_sendmsg+0xe5/0x210 [ 30.260628] ? __sys_sendmsg+0xe5/0x210 [ 30.264577] ? SyS_shutdown+0x290/0x290 [ 30.268612] ? __handle_mm_fault+0x3b60/0x3b60 [ 30.273162] ? vmacache_find+0x5f/0x280 [ 30.277129] compat_SyS_sendmsg+0x2a/0x40 [ 30.281249] ? compat_SyS_getsockopt+0x420/0x420 [ 30.285978] do_fast_syscall_32+0x3ec/0xf9f [ 30.290277] ? do_int80_syscall_32+0x9c0/0x9c0 [ 30.294830] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 30.299558] ? syscall_return_slowpath+0x550/0x550 [ 30.304457] ? syscall_return_slowpath+0x2ac/0x550 [ 30.309358] ? prepare_exit_to_usermode+0x350/0x350 [ 30.314348] ? retint_user+0x18/0x18 [ 30.318062] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 30.322881] entry_SYSENTER_compat+0x70/0x7f [ 30.327262] RIP: 0023:0xf7f43c99 [ 30.330596] RSP: 002b:00000000ffb9fc2c EFLAGS: 00000286 ORIG_RAX: 0000000000000172 [ 30.338274] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 00000000204b5fc8 [ 30.345516] RDX: 0000000000000000 RSI: 0000000000000032 RDI: 00000000080ea00c [ 30.352754] RBP: 000000000000003f R08: 0000000000000000 R09: 0000000000000000 [ 30.359994] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 30.367245] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 30.375068] Dumping ftrace buffer: [ 30.378696] (ftrace buffer empty) [ 30.382383] Kernel Offset: disabled [ 30.385988] Rebooting in 86400 seconds..