[....] Starting enhanced syslogd: rsyslogd[ 13.726203] audit: type=1400 audit(1515853211.200:5): avc: denied { syslog } for pid=3498 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: [ 18.915907] audit: type=1400 audit(1515853216.390:6): avc: denied { map } for pid=3638 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 '10.128.0.7' (ECDSA) to the list of known hosts. executing program [ 25.161388] audit: type=1400 audit(1515853222.636:7): avc: denied { map } for pid=3654 comm="syzkaller443795" path="/root/syzkaller443795848" 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 [ 25.171051] ------------[ cut here ]------------ [ 25.171059] ieee80211 j#◠@A} o{BvOlGt v=fAowؿ9nÀlya3+hbkHwrm'-x4z[!K: device/subsystem name too long [ 25.171161] WARNING: CPU: 1 PID: 3654 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 25.171165] Kernel panic - not syncing: panic_on_warn set ... [ 25.171165] [ 25.171170] CPU: 1 PID: 3654 Comm: syzkaller443795 Not tainted 4.15.0-rc7+ #170 [ 25.171173] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.171175] Call Trace: [ 25.171185] dump_stack+0x194/0x257 [ 25.171194] ? arch_local_irq_restore+0x53/0x53 [ 25.171204] ? vsnprintf+0x1ed/0x1900 [ 25.171215] panic+0x1e4/0x41c [ 25.171220] ? refcount_error_report+0x214/0x214 [ 25.171227] ? show_regs_print_info+0x18/0x18 [ 25.171238] ? __warn+0x1c1/0x200 [ 25.171247] ? dev_vprintk_emit+0x159/0x510 [ 25.171253] __warn+0x1dc/0x200 [ 25.171259] ? dev_vprintk_emit+0x159/0x510 [ 25.171269] report_bug+0x211/0x2d0 [ 25.171282] fixup_bug.part.11+0x37/0x80 [ 25.171288] do_error_trap+0x2d7/0x3e0 [ 25.171293] ? __down_trylock_console_sem+0x10d/0x1e0 [ 25.171301] ? math_error+0x400/0x400 [ 25.171306] ? vprintk_emit+0x3ea/0x590 [ 25.171323] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.171333] do_invalid_op+0x1b/0x20 [ 25.171338] invalid_op+0x22/0x40 [ 25.171343] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 25.171346] RSP: 0018:ffff8801c1d36cc8 EFLAGS: 00010286 [ 25.171350] RAX: dffffc0000000008 RBX: ffff8801bbc78980 RCX: ffffffff8159da9e [ 25.171352] RDX: 0000000000000000 RSI: 1ffff1003786991d RDI: 0000000000000293 [ 25.171355] RBP: ffff8801c1d36e08 R08: 1ffff100383a6d2c R09: 0000000000000000 [ 25.171358] R10: ffff8801c1d36ef0 R11: 0000000000000000 R12: 1ffff100383a6da0 [ 25.171361] R13: ffff8801d5286800 R14: ffff8801c1d36d20 R15: ffff8801c1d36e40 [ 25.171373] ? vprintk_func+0x5e/0xc0 [ 25.171383] ? dev_vprintk_emit+0x159/0x510 [ 25.171394] ? device_check_offline+0x120/0x120 [ 25.171400] ? ieee80211_register_hw+0x1448/0x3100 [ 25.171417] ? check_noncircular+0x20/0x20 [ 25.171423] ? print_irqtrace_events+0x270/0x270 [ 25.171428] ? sock_sendmsg+0xca/0x110 [ 25.171431] ? ___sys_sendmsg+0x767/0x8b0 [ 25.171440] dev_printk_emit+0xc0/0xf0 [ 25.171446] ? dev_vprintk_emit+0x510/0x510 [ 25.171449] ? print_irqtrace_events+0x270/0x270 [ 25.171456] ? device_rename+0x1f0/0x1f0 [ 25.171471] __dev_printk+0xa7/0x120 [ 25.171479] dev_printk+0x111/0x170 [ 25.171485] ? __dev_printk+0x120/0x120 [ 25.171501] ? minstrel_alloc+0x4ad/0x600 [ 25.171516] ieee80211_init_rate_ctrl_alg+0x2d5/0x4a0 [ 25.171524] ieee80211_register_hw+0x1448/0x3100 [ 25.171538] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 25.171554] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 25.171559] ? vsnprintf+0x1ed/0x1900 [ 25.171575] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 25.171580] ? kasprintf+0xb3/0xe0 [ 25.171592] ? bust_spinlocks+0xc0/0xc0 [ 25.171602] ? cred_has_capability+0x1a0/0x3d0 [ 25.171612] ? kasprintf+0xb3/0xe0 [ 25.171617] ? kvasprintf_const+0x160/0x160 [ 25.171625] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.171632] ? _raw_spin_unlock_irqrestore+0x31/0xba [ 25.171646] hwsim_new_radio_nl+0x5b7/0x7c0 [ 25.171653] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 25.171667] ? __netlink_ns_capable+0xe1/0x120 [ 25.171678] genl_family_rcv_msg+0x7b7/0xfb0 [ 25.171689] ? genl_rcv+0x40/0x40 [ 25.171700] ? lock_downgrade+0x980/0x980 [ 25.171713] ? lock_acquire+0x1d5/0x580 [ 25.171733] genl_rcv_msg+0xb2/0x140 [ 25.171740] netlink_rcv_skb+0x224/0x470 [ 25.171745] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 25.171751] ? netlink_ack+0xa10/0xa10 [ 25.171754] ? genl_rcv+0x19/0x40 [ 25.171764] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.171775] ? selinux_nlmsg_lookup+0x32b/0x430 [ 25.171783] genl_rcv+0x28/0x40 [ 25.171788] netlink_unicast+0x4ee/0x700 [ 25.171798] ? netlink_attachskb+0x8a0/0x8a0 [ 25.171808] ? security_netlink_send+0x81/0xb0 [ 25.171816] netlink_sendmsg+0xa4a/0xe60 [ 25.171827] ? netlink_unicast+0x700/0x700 [ 25.171835] ? security_socket_sendmsg+0x89/0xb0 [ 25.171840] ? netlink_unicast+0x700/0x700 [ 25.171846] sock_sendmsg+0xca/0x110 [ 25.171853] ___sys_sendmsg+0x767/0x8b0 [ 25.171857] ? SyS_membarrier+0x600/0x600 [ 25.171866] ? copy_msghdr_from_user+0x590/0x590 [ 25.171870] ? check_noncircular+0x20/0x20 [ 25.171891] ? check_noncircular+0x20/0x20 [ 25.171898] ? __pmd_alloc+0x4e0/0x4e0 [ 25.171909] ? __fget_light+0x297/0x380 [ 25.171915] ? fget_raw+0x20/0x20 [ 25.171927] ? handle_mm_fault+0x248/0x8d0 [ 25.171935] ? find_held_lock+0x35/0x1d0 [ 25.171955] __sys_sendmsg+0xe5/0x210 [ 25.171959] ? __sys_sendmsg+0xe5/0x210 [ 25.171965] ? SyS_shutdown+0x290/0x290 [ 25.171969] ? handle_mm_fault+0x410/0x8d0 [ 25.171976] ? __do_page_fault+0x32d/0xc90 [ 25.171982] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.171987] ? vmacache_find+0x5f/0x280 [ 25.172019] compat_SyS_sendmsg+0x2a/0x40 [ 25.172025] ? compat_SyS_getsockopt+0x420/0x420 [ 25.172029] do_fast_syscall_32+0x3ee/0xf9d [ 25.172041] ? do_int80_syscall_32+0x9d0/0x9d0 [ 25.172047] ? kasan_check_read+0x11/0x20 [ 25.172054] ? syscall_return_slowpath+0x550/0x550 [ 25.172064] ? SyS_rt_sigaction+0x94/0x1b0 [ 25.172070] ? SyS_sigprocmask+0x4b0/0x4b0 [ 25.172076] ? SyS_read+0x184/0x220 [ 25.172080] ? retint_user+0x18/0x18 [ 25.172090] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.172102] entry_SYSENTER_compat+0x54/0x63 [ 25.172106] RIP: 0023:0xf7f40c79 [ 25.172108] RSP: 002b:00000000ffb834bc EFLAGS: 00000203 ORIG_RAX: 0000000000000172 [ 25.172112] RAX: ffffffffffffffda RBX: 0000000000000003 RCX: 0000000020b3dfc8 [ 25.172114] RDX: 0000000000000000 RSI: 0000000000000167 RDI: 0000000000000010 [ 25.172117] RBP: 0000000000000003 R08: 0000000000000000 R09: 0000000000000000 [ 25.172119] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 25.172121] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 25.187333] Dumping ftrace buffer: [ 25.187462] (ftrace buffer empty) [ 25.187466] Kernel Offset: disabled [ 25.769656] Rebooting in 86400 seconds..