[....] Starting enhanced syslogd: rsyslogd[ 11.984435] audit: type=1400 audit(1515875849.098:5): avc: denied { syslog } for pid=3508 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: [ 19.045497] audit: type=1400 audit(1515875856.159:6): avc: denied { map } for pid=3647 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 '10.128.0.41' (ECDSA) to the list of known hosts. executing program [ 44.887466] audit: type=1400 audit(1515875882.001:7): avc: denied { map } for pid=3664 comm="syzkaller028486" path="/root/syzkaller028486410" 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 [ 44.896374] ------------[ cut here ]------------ [ 44.896385] ieee80211 d7PmE3NLX  [ 44.896385] Xvb_⁓>ӢE"]\FN>A.?W"R;5W~՗Kxf:+j[l sc$k7Hg678ޫϲ()|i9أ0FB]wBp3ay!.|K=Fz'ǢnmlkVP:Kn \qʷ]@Fqʦ4tIP#2zbA-$Ync$s3 XZeh [ 44.896385] zi`]":~B0-TD [ 44.896385] x _GIp%=5_Fͽ: device/subsystem name too long [ 44.896507] WARNING: CPU: 0 PID: 3664 at drivers/base/core.c:2881 dev_vprintk_emit+0x159/0x510 [ 44.896510] Kernel panic - not syncing: panic_on_warn set ... [ 44.896510] [ 44.896516] CPU: 0 PID: 3664 Comm: syzkaller028486 Not tainted 4.15.0-rc7-mm1+ #56 [ 44.896519] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 44.896521] Call Trace: [ 44.896531] dump_stack+0x194/0x257 [ 44.896539] ? arch_local_irq_restore+0x53/0x53 [ 44.896550] ? vsnprintf+0x1ed/0x1900 [ 44.896562] panic+0x1e4/0x41c [ 44.896567] ? refcount_error_report+0x214/0x214 [ 44.896572] ? show_regs_print_info+0x18/0x18 [ 44.896583] ? __warn+0x1c1/0x200 [ 44.896591] ? dev_vprintk_emit+0x159/0x510 [ 44.896595] __warn+0x1dc/0x200 [ 44.896600] ? dev_vprintk_emit+0x159/0x510 [ 44.896607] report_bug+0x211/0x2d0 [ 44.896618] fixup_bug.part.11+0x37/0x80 [ 44.896624] do_error_trap+0x2d7/0x3e0 [ 44.896629] ? __down_trylock_console_sem+0x10d/0x1e0 [ 44.896636] ? math_error+0x400/0x400 [ 44.896641] ? vprintk_emit+0x3ea/0x590 [ 44.896659] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 44.896668] do_invalid_op+0x1b/0x20 [ 44.896675] invalid_op+0x22/0x40 [ 44.896680] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 44.896682] RSP: 0018:ffff8801ca8d6e68 EFLAGS: 00010286 [ 44.896687] RAX: dffffc0000000008 RBX: ffff8801d92d0940 RCX: ffffffff815a58fe [ 44.896689] RDX: 0000000000000000 RSI: 1ffff1003759f9a5 RDI: 0000000000000293 [ 44.896692] RBP: ffff8801ca8d6fa8 R08: 1ffff1003951ad60 R09: 0000000000000000 [ 44.896695] R10: ffff8801ca8d7090 R11: 0000000000000000 R12: 1ffff1003951add4 [ 44.896697] R13: ffff8801c1cf1840 R14: ffff8801ca8d6ec0 R15: ffff8801ca8d6fe0 [ 44.896709] ? vprintk_func+0x5e/0xc0 [ 44.896718] ? dev_vprintk_emit+0x159/0x510 [ 44.896729] ? device_check_offline+0x120/0x120 [ 44.896735] ? ieee80211_register_hw+0x1448/0x3100 [ 44.896751] ? check_noncircular+0x20/0x20 [ 44.896757] ? print_irqtrace_events+0x270/0x270 [ 44.896762] ? sock_sendmsg+0xca/0x110 [ 44.896766] ? ___sys_sendmsg+0x767/0x8b0 [ 44.896774] dev_printk_emit+0xc0/0xf0 [ 44.896780] ? dev_vprintk_emit+0x510/0x510 [ 44.896784] ? print_irqtrace_events+0x270/0x270 [ 44.896791] ? device_rename+0x1f0/0x1f0 [ 44.896805] __dev_printk+0xa7/0x120 [ 44.896813] dev_printk+0x111/0x170 [ 44.896819] ? __dev_printk+0x120/0x120 [ 44.896833] ? minstrel_alloc+0x4ad/0x600 [ 44.896848] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 44.896857] ieee80211_register_hw+0x1448/0x3100 [ 44.896871] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 44.896887] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 44.896892] ? vsnprintf+0x1ed/0x1900 [ 44.896908] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 44.896914] ? kasprintf+0xb3/0xe0 [ 44.896926] ? bust_spinlocks+0xc0/0xc0 [ 44.896935] ? cred_has_capability+0x1a0/0x3d0 [ 44.896946] ? kasprintf+0xb3/0xe0 [ 44.896951] ? kvasprintf_const+0x160/0x160 [ 44.896959] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 44.896974] hwsim_new_radio_nl+0x5b7/0x7c0 [ 44.896981] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 44.896993] ? __netlink_ns_capable+0xe1/0x120 [ 44.897007] genl_family_rcv_msg+0x7b7/0xfb0 [ 44.897018] ? genl_rcv+0x40/0x40 [ 44.897022] ? lock_downgrade+0x980/0x980 [ 44.897030] ? lock_release+0xa40/0xa40 [ 44.897038] ? __lock_is_held+0xb6/0x140 [ 44.897047] ? lock_acquire+0x1d5/0x580 [ 44.897067] genl_rcv_msg+0xb2/0x140 [ 44.897075] netlink_rcv_skb+0x224/0x470 [ 44.897080] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 44.897087] ? netlink_ack+0xa10/0xa10 [ 44.897090] ? genl_rcv+0x19/0x40 [ 44.897097] ? netlink_skb_destructor+0x1d0/0x1d0 [ 44.897104] ? selinux_nlmsg_lookup+0x32b/0x430 [ 44.897113] genl_rcv+0x28/0x40 [ 44.897117] netlink_unicast+0x4c4/0x6b0 [ 44.897128] ? netlink_attachskb+0x8a0/0x8a0 [ 44.897138] ? security_netlink_send+0x81/0xb0 [ 44.897146] netlink_sendmsg+0xa4a/0xe60 [ 44.897157] ? netlink_unicast+0x6b0/0x6b0 [ 44.897167] ? security_socket_sendmsg+0x89/0xb0 [ 44.897171] ? netlink_unicast+0x6b0/0x6b0 [ 44.897177] sock_sendmsg+0xca/0x110 [ 44.897185] ___sys_sendmsg+0x767/0x8b0 [ 44.897194] ? copy_msghdr_from_user+0x590/0x590 [ 44.897209] ? __do_page_fault+0x5f7/0xc90 [ 44.897215] ? lock_downgrade+0x980/0x980 [ 44.897230] ? __fget_light+0x297/0x380 [ 44.897236] ? fget_raw+0x20/0x20 [ 44.897243] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 44.897247] ? vmacache_find+0x5f/0x280 [ 44.897258] ? up_read+0x1a/0x40 [ 44.897264] ? __do_page_fault+0x3d6/0xc90 [ 44.897268] ? get_unused_fd_flags+0x190/0x190 [ 44.897279] ? __fdget+0x18/0x20 [ 44.897288] __sys_sendmsg+0xe5/0x210 [ 44.897291] ? __sys_sendmsg+0xe5/0x210 [ 44.897298] ? SyS_shutdown+0x290/0x290 [ 44.897305] ? __do_page_fault+0xc90/0xc90 [ 44.897313] ? fd_install+0x4d/0x60 [ 44.897329] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 44.897339] SyS_sendmsg+0x2d/0x50 [ 44.897346] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 44.897350] RIP: 0033:0x43fd79 [ 44.897352] RSP: 002b:00007ffc98951ac8 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 44.897356] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd79 [ 44.897359] RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000003 [ 44.897361] RBP: 00000000006cb018 R08: 0000000000000000 R09: 0000000000000000 [ 44.897363] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016e0 [ 44.897365] R13: 0000000000401770 R14: 0000000000000000 R15: 0000000000000000 [ 44.913833] Dumping ftrace buffer: [ 44.913911] (ftrace buffer empty) [ 44.913914] Kernel Offset: disabled [ 45.474170] Rebooting in 86400 seconds..