[....] Starting enhanced syslogd: rsyslogd[ 12.892364] audit: type=1400 audit(1515876256.684:5): avc: denied { syslog } for pid=3496 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: [ 18.298581] audit: type=1400 audit(1515876262.090:6): avc: denied { map } for pid=3636 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 '10.128.15.239' (ECDSA) to the list of known hosts. executing program [ 25.149946] audit: type=1400 audit(1515876268.941:7): avc: denied { map } for pid=3650 comm="syzkaller473008" path="/root/syzkaller473008586" 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 [ 25.160238] ------------[ cut here ]------------ [ 25.160252] ieee80211 d7PmE3NLX  [ 25.160252] Xvb_⁓>ӢE"]\FN>A.?W"R;5W~՗Kxf:+j[l sc$k7Hg678ޫϲ()|i9أ0FB]wBp3ay!.|K=Fz'ǢnmlkVP:Kn \qʷ]@Fqʦ4tIP#2zbA-$Ync$s3 XZeh [ 25.160252] zi`]":~B0-TD [ 25.160252] x _GIp%=5_Fͽ: device/subsystem name too long [ 25.160382] WARNING: CPU: 1 PID: 3650 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 25.160386] Kernel panic - not syncing: panic_on_warn set ... [ 25.160386] [ 25.160393] CPU: 1 PID: 3650 Comm: syzkaller473008 Not tainted 4.15.0-rc7+ #170 [ 25.160397] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.160400] Call Trace: [ 25.160410] dump_stack+0x194/0x257 [ 25.160423] ? arch_local_irq_restore+0x53/0x53 [ 25.160439] ? vsnprintf+0x1ed/0x1900 [ 25.160455] panic+0x1e4/0x41c [ 25.160463] ? refcount_error_report+0x214/0x214 [ 25.160472] ? show_regs_print_info+0x18/0x18 [ 25.160490] ? __warn+0x1c1/0x200 [ 25.160503] ? dev_vprintk_emit+0x159/0x510 [ 25.160509] __warn+0x1dc/0x200 [ 25.160517] ? dev_vprintk_emit+0x159/0x510 [ 25.160529] report_bug+0x211/0x2d0 [ 25.160546] fixup_bug.part.11+0x37/0x80 [ 25.160556] do_error_trap+0x2d7/0x3e0 [ 25.160563] ? __down_trylock_console_sem+0x10d/0x1e0 [ 25.160576] ? math_error+0x400/0x400 [ 25.160583] ? vprintk_emit+0x3ea/0x590 [ 25.160607] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.160623] do_invalid_op+0x1b/0x20 [ 25.160630] invalid_op+0x22/0x40 [ 25.160636] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 25.160640] RSP: 0018:ffff8801bcabecc8 EFLAGS: 00010286 [ 25.160647] RAX: dffffc0000000008 RBX: ffff8801d99e8980 RCX: ffffffff8159da9e [ 25.160651] RDX: 0000000000000000 RSI: 1ffff10038c0d9a5 RDI: 0000000000000293 [ 25.160655] RBP: ffff8801bcabee08 R08: 1ffff10037957d2c R09: 0000000000000000 [ 25.160659] R10: ffff8801bcabeef0 R11: 0000000000000000 R12: 1ffff10037957da0 [ 25.160664] R13: ffff8801bcb475c0 R14: ffff8801bcabed20 R15: ffff8801bcabee40 [ 25.160683] ? vprintk_func+0x5e/0xc0 [ 25.160699] ? dev_vprintk_emit+0x159/0x510 [ 25.160716] ? device_check_offline+0x120/0x120 [ 25.160724] ? ieee80211_register_hw+0x1448/0x3100 [ 25.160748] ? check_noncircular+0x20/0x20 [ 25.160757] ? print_irqtrace_events+0x270/0x270 [ 25.160763] ? sock_sendmsg+0xca/0x110 [ 25.160768] ? ___sys_sendmsg+0x767/0x8b0 [ 25.160782] dev_printk_emit+0xc0/0xf0 [ 25.160792] ? dev_vprintk_emit+0x510/0x510 [ 25.160798] ? print_irqtrace_events+0x270/0x270 [ 25.160809] ? device_rename+0x1f0/0x1f0 [ 25.160833] __dev_printk+0xa7/0x120 [ 25.160846] dev_printk+0x111/0x170 [ 25.160855] ? __dev_printk+0x120/0x120 [ 25.160880] ? minstrel_alloc+0x4ad/0x600 [ 25.160904] ieee80211_init_rate_ctrl_alg+0x2d5/0x4a0 [ 25.160917] ieee80211_register_hw+0x1448/0x3100 [ 25.160940] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 25.160966] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 25.160973] ? vsnprintf+0x1ed/0x1900 [ 25.160999] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 25.161009] ? kasprintf+0xb3/0xe0 [ 25.161029] ? bust_spinlocks+0xc0/0xc0 [ 25.161041] ? cred_has_capability+0x1a0/0x3d0 [ 25.161058] ? kasprintf+0xb3/0xe0 [ 25.161066] ? kvasprintf_const+0x160/0x160 [ 25.161082] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.161090] ? lock_release+0xa40/0xa40 [ 25.161112] hwsim_new_radio_nl+0x5b7/0x7c0 [ 25.161124] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 25.161143] ? __netlink_ns_capable+0xe1/0x120 [ 25.161160] genl_family_rcv_msg+0x7b7/0xfb0 [ 25.161178] ? genl_rcv+0x40/0x40 [ 25.161195] ? lock_downgrade+0x980/0x980 [ 25.161217] ? lock_acquire+0x1d5/0x580 [ 25.161250] genl_rcv_msg+0xb2/0x140 [ 25.161263] netlink_rcv_skb+0x224/0x470 [ 25.161270] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 25.161281] ? netlink_ack+0xa10/0xa10 [ 25.161285] ? genl_rcv+0x19/0x40 [ 25.161298] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.161310] ? selinux_nlmsg_lookup+0x32b/0x430 [ 25.161323] genl_rcv+0x28/0x40 [ 25.161331] netlink_unicast+0x4ee/0x700 [ 25.161347] ? netlink_attachskb+0x8a0/0x8a0 [ 25.161362] ? security_netlink_send+0x81/0xb0 [ 25.161375] netlink_sendmsg+0xa4a/0xe60 [ 25.161394] ? netlink_unicast+0x700/0x700 [ 25.161408] ? security_socket_sendmsg+0x89/0xb0 [ 25.161415] ? netlink_unicast+0x700/0x700 [ 25.161425] sock_sendmsg+0xca/0x110 [ 25.161437] ___sys_sendmsg+0x767/0x8b0 [ 25.161442] ? SyS_membarrier+0x600/0x600 [ 25.161456] ? copy_msghdr_from_user+0x590/0x590 [ 25.161462] ? check_noncircular+0x20/0x20 [ 25.161490] ? check_noncircular+0x20/0x20 [ 25.161497] ? __pmd_alloc+0x4e0/0x4e0 [ 25.161512] ? __fget_light+0x297/0x380 [ 25.161522] ? fget_raw+0x20/0x20 [ 25.161541] ? handle_mm_fault+0x248/0x8d0 [ 25.161554] ? find_held_lock+0x35/0x1d0 [ 25.161584] __sys_sendmsg+0xe5/0x210 [ 25.161591] ? __sys_sendmsg+0xe5/0x210 [ 25.161601] ? SyS_shutdown+0x290/0x290 [ 25.161607] ? handle_mm_fault+0x410/0x8d0 [ 25.161615] ? __do_page_fault+0x32d/0xc90 [ 25.161624] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.161631] ? vmacache_find+0x5f/0x280 [ 25.161676] compat_SyS_sendmsg+0x2a/0x40 [ 25.161685] ? compat_SyS_getsockopt+0x420/0x420 [ 25.161692] do_fast_syscall_32+0x3ee/0xf9d [ 25.161711] ? do_int80_syscall_32+0x9d0/0x9d0 [ 25.161719] ? kasan_check_read+0x11/0x20 [ 25.161730] ? syscall_return_slowpath+0x550/0x550 [ 25.161740] ? SyS_rt_sigaction+0x94/0x1b0 [ 25.161750] ? SyS_sigprocmask+0x4b0/0x4b0 [ 25.161756] ? SyS_read+0x184/0x220 [ 25.161764] ? retint_user+0x18/0x18 [ 25.161780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.161798] entry_SYSENTER_compat+0x54/0x63 [ 25.161803] RIP: 0023:0xf7f1bc79 [ 25.161806] RSP: 002b:00000000ff8b5a6c EFLAGS: 00000203 ORIG_RAX: 0000000000000172 [ 25.161813] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020b3dfc8 [ 25.161817] RDX: 0000000000000000 RSI: 0000000000000167 RDI: 0000000000000010 [ 25.161820] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 25.161824] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.161828] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.177379] Dumping ftrace buffer: [ 25.177472] (ftrace buffer empty) [ 25.177474] Kernel Offset: disabled [ 25.779298] Rebooting in 86400 seconds..