[....] Starting enhanced syslogd: rsyslogd[ 12.593460] audit: type=1400 audit(1515874087.724:5): 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 17.838217] audit: type=1400 audit(1515874092.969:6): avc: denied { map } for pid=3637 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 '10.128.0.39' (ECDSA) to the list of known hosts. executing program [ 24.047310] audit: type=1400 audit(1515874099.178:7): avc: denied { map } for pid=3652 comm="syzkaller895453" path="/root/syzkaller895453422" 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 [ 24.059697] ------------[ cut here ]------------ [ 24.059711] ieee80211 d7PmE3NLX  [ 24.059711] Xvb_⁓>ӢE"]\FN>A.?W"R;5W~՗Kxf:+j[l sc$k7Hg678ޫϲ()|i9أ0FB]wBp3ay!.|K=Fz'ǢnmlkVP:Kn \qʷ]@Fqʦ4tIP#2zbA-$Ync$s3 XZeh [ 24.059711] zi`]":~B0-TD [ 24.059711] x _GIp%=5_Fͽ: device/subsystem name too long [ 24.059836] WARNING: CPU: 1 PID: 3652 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 24.059840] Kernel panic - not syncing: panic_on_warn set ... [ 24.059840] [ 24.059847] CPU: 1 PID: 3652 Comm: syzkaller895453 Not tainted 4.15.0-rc7+ #187 [ 24.059851] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.059854] Call Trace: [ 24.059865] dump_stack+0x194/0x257 [ 24.059877] ? arch_local_irq_restore+0x53/0x53 [ 24.059892] ? vsnprintf+0x1ed/0x1900 [ 24.059912] panic+0x1e4/0x41c [ 24.059920] ? refcount_error_report+0x214/0x214 [ 24.059929] ? show_regs_print_info+0x18/0x18 [ 24.059947] ? __warn+0x1c1/0x200 [ 24.059960] ? dev_vprintk_emit+0x159/0x510 [ 24.059966] __warn+0x1dc/0x200 [ 24.059974] ? dev_vprintk_emit+0x159/0x510 [ 24.059986] report_bug+0x211/0x2d0 [ 24.060008] fixup_bug.part.11+0x37/0x80 [ 24.060018] do_error_trap+0x2d7/0x3e0 [ 24.060025] ? __down_trylock_console_sem+0x10d/0x1e0 [ 24.060038] ? math_error+0x400/0x400 [ 24.060045] ? vprintk_emit+0x3ea/0x590 [ 24.060072] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.060088] do_invalid_op+0x1b/0x20 [ 24.060095] invalid_op+0x22/0x40 [ 24.060102] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 24.060106] RSP: 0018:ffff8801bc056e68 EFLAGS: 00010286 [ 24.060113] RAX: dffffc0000000008 RBX: ffff8801bc1c0940 RCX: ffffffff8159e15e [ 24.060117] RDX: 0000000000000000 RSI: 1ffff1003791015d RDI: 0000000000000293 [ 24.060121] RBP: ffff8801bc056fa8 R08: 1ffff1003780ad60 R09: 0000000000000000 [ 24.060125] R10: ffff8801bc057090 R11: 0000000000000000 R12: 1ffff1003780add4 [ 24.060129] R13: ffff8801bcff5580 R14: ffff8801bc056ec0 R15: ffff8801bc056fe0 [ 24.060149] ? vprintk_func+0x5e/0xc0 [ 24.060165] ? dev_vprintk_emit+0x159/0x510 [ 24.060183] ? device_check_offline+0x120/0x120 [ 24.060192] ? ieee80211_register_hw+0x1448/0x3100 [ 24.060219] ? check_noncircular+0x20/0x20 [ 24.060229] ? print_irqtrace_events+0x270/0x270 [ 24.060236] ? sock_sendmsg+0xca/0x110 [ 24.060242] ? ___sys_sendmsg+0x767/0x8b0 [ 24.060256] dev_printk_emit+0xc0/0xf0 [ 24.060266] ? dev_vprintk_emit+0x510/0x510 [ 24.060272] ? print_irqtrace_events+0x270/0x270 [ 24.060284] ? device_rename+0x1f0/0x1f0 [ 24.060308] __dev_printk+0xa7/0x120 [ 24.060321] dev_printk+0x111/0x170 [ 24.060331] ? __dev_printk+0x120/0x120 [ 24.060355] ? minstrel_alloc+0x4ad/0x600 [ 24.060379] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 24.060398] ieee80211_register_hw+0x1448/0x3100 [ 24.060422] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 24.060447] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 24.060454] ? vsnprintf+0x1ed/0x1900 [ 24.060481] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 24.060488] ? kasprintf+0xb3/0xe0 [ 24.060508] ? bust_spinlocks+0xc0/0xc0 [ 24.060519] ? cred_has_capability+0x1a0/0x3d0 [ 24.060537] ? kasprintf+0xb3/0xe0 [ 24.060545] ? kvasprintf_const+0x160/0x160 [ 24.060557] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.060565] ? lock_release+0xa40/0xa40 [ 24.060587] hwsim_new_radio_nl+0x5b7/0x7c0 [ 24.060599] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 24.060617] ? __netlink_ns_capable+0xe1/0x120 [ 24.060634] genl_family_rcv_msg+0x7b7/0xfb0 [ 24.060653] ? genl_rcv+0x40/0x40 [ 24.060659] ? lock_downgrade+0x980/0x980 [ 24.060672] ? lock_release+0xa40/0xa40 [ 24.060685] ? __lock_is_held+0xb6/0x140 [ 24.060700] ? lock_acquire+0x1d5/0x580 [ 24.060734] genl_rcv_msg+0xb2/0x140 [ 24.060747] netlink_rcv_skb+0x224/0x470 [ 24.060755] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 24.060765] ? netlink_ack+0xa10/0xa10 [ 24.060771] ? genl_rcv+0x19/0x40 [ 24.060782] ? netlink_skb_destructor+0x1d0/0x1d0 [ 24.060794] ? selinux_nlmsg_lookup+0x32b/0x430 [ 24.060807] genl_rcv+0x28/0x40 [ 24.060816] netlink_unicast+0x4c4/0x6b0 [ 24.060832] ? netlink_attachskb+0x8a0/0x8a0 [ 24.060849] ? security_netlink_send+0x81/0xb0 [ 24.060862] netlink_sendmsg+0xa4a/0xe60 [ 24.060880] ? netlink_unicast+0x6b0/0x6b0 [ 24.060894] ? security_socket_sendmsg+0x89/0xb0 [ 24.060902] ? netlink_unicast+0x6b0/0x6b0 [ 24.060913] sock_sendmsg+0xca/0x110 [ 24.060924] ___sys_sendmsg+0x767/0x8b0 [ 24.060940] ? copy_msghdr_from_user+0x590/0x590 [ 24.060960] ? __do_page_fault+0x5f7/0xc90 [ 24.060970] ? lock_downgrade+0x980/0x980 [ 24.060988] ? __fget_light+0x297/0x380 [ 24.060998] ? fget_raw+0x20/0x20 [ 24.061008] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 24.061013] ? vmacache_find+0x5f/0x280 [ 24.061031] ? up_read+0x1a/0x40 [ 24.061040] ? __do_page_fault+0x3d6/0xc90 [ 24.061046] ? get_unused_fd_flags+0x190/0x190 [ 24.061064] ? __fdget+0x18/0x20 [ 24.061080] __sys_sendmsg+0xe5/0x210 [ 24.061086] ? __sys_sendmsg+0xe5/0x210 [ 24.061096] ? SyS_shutdown+0x290/0x290 [ 24.061107] ? __do_page_fault+0xc90/0xc90 [ 24.061121] ? fd_install+0x4d/0x60 [ 24.061147] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.061163] SyS_sendmsg+0x2d/0x50 [ 24.061174] entry_SYSCALL_64_fastpath+0x23/0x9a [ 24.061179] RIP: 0033:0x43fd79 [ 24.061183] RSP: 002b:00007fffe5ee1f48 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 24.061190] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd79 [ 24.061193] RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000003 [ 24.061197] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 24.061201] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016e0 [ 24.061205] R13: 0000000000401770 R14: 0000000000000000 R15: 0000000000000000 [ 24.073630] Dumping ftrace buffer: [ 24.073696] (ftrace buffer empty) [ 24.073698] Kernel Offset: disabled [ 24.641334] Rebooting in 86400 seconds..