[....] Starting enhanced syslogd: rsyslogd[ 13.452755] audit: type=1400 audit(1515853235.116:5): avc: denied { syslog } for pid=3510 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: [ 19.359718] audit: type=1400 audit(1515853241.023:6): avc: denied { map } for pid=3650 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 '10.128.0.36' (ECDSA) to the list of known hosts. executing program [ 25.586655] audit: type=1400 audit(1515853247.250:7): avc: denied { map } for pid=3664 comm="syzkaller387465" path="/root/syzkaller387465072" 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 [ 25.597199] ------------[ cut here ]------------ [ 25.597211] ieee80211 j#◠@A} o{BvOlGt v=fAowؿ9nÀlya3+hbkHwrm'-x4z[!K: device/subsystem name too long [ 25.597341] WARNING: CPU: 1 PID: 3664 at drivers/base/core.c:2881 dev_vprintk_emit+0x159/0x510 [ 25.597346] Kernel panic - not syncing: panic_on_warn set ... [ 25.597346] [ 25.597353] CPU: 1 PID: 3664 Comm: syzkaller387465 Not tainted 4.15.0-rc7-next-20180112+ #96 [ 25.597357] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.597360] Call Trace: [ 25.597373] dump_stack+0x194/0x257 [ 25.597386] ? arch_local_irq_restore+0x53/0x53 [ 25.597402] ? vsnprintf+0x1ed/0x1900 [ 25.597418] panic+0x1e4/0x41c [ 25.597427] ? refcount_error_report+0x214/0x214 [ 25.597434] ? show_regs_print_info+0x18/0x18 [ 25.597452] ? __warn+0x1c1/0x200 [ 25.597465] ? dev_vprintk_emit+0x159/0x510 [ 25.597472] __warn+0x1dc/0x200 [ 25.597480] ? dev_vprintk_emit+0x159/0x510 [ 25.597492] report_bug+0x211/0x2d0 [ 25.597509] fixup_bug.part.11+0x37/0x80 [ 25.597517] do_error_trap+0x2d7/0x3e0 [ 25.597525] ? __down_trylock_console_sem+0x10d/0x1e0 [ 25.597537] ? math_error+0x400/0x400 [ 25.597544] ? vprintk_emit+0x3ea/0x590 [ 25.597571] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.597587] do_invalid_op+0x1b/0x20 [ 25.597594] invalid_op+0x22/0x40 [ 25.597601] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 25.597605] RSP: 0018:ffff8801d96f6e68 EFLAGS: 00010286 [ 25.597611] RAX: dffffc0000000008 RBX: ffff8801d9770980 RCX: ffffffff815a5a2e [ 25.597616] RDX: 0000000000000000 RSI: 1ffff1003b379545 RDI: 0000000000000293 [ 25.597619] RBP: ffff8801d96f6fa8 R08: 1ffff1003b2ded60 R09: 0000000000000000 [ 25.597623] R10: ffff8801d96f7090 R11: 0000000000000000 R12: 1ffff1003b2dedd4 [ 25.597627] R13: ffff8801d4439400 R14: ffff8801d96f6ec0 R15: ffff8801d96f6fe0 [ 25.597646] ? vprintk_func+0x5e/0xc0 [ 25.597661] ? dev_vprintk_emit+0x159/0x510 [ 25.597678] ? device_check_offline+0x120/0x120 [ 25.597687] ? ieee80211_register_hw+0x1448/0x3100 [ 25.597714] ? check_noncircular+0x20/0x20 [ 25.597723] ? print_irqtrace_events+0x270/0x270 [ 25.597731] ? sock_sendmsg+0xca/0x110 [ 25.597736] ? ___sys_sendmsg+0x767/0x8b0 [ 25.597750] dev_printk_emit+0xc0/0xf0 [ 25.597764] ? dev_vprintk_emit+0x510/0x510 [ 25.597770] ? print_irqtrace_events+0x270/0x270 [ 25.597782] ? device_rename+0x1f0/0x1f0 [ 25.597806] __dev_printk+0xa7/0x120 [ 25.597818] dev_printk+0x111/0x170 [ 25.597828] ? __dev_printk+0x120/0x120 [ 25.597852] ? minstrel_alloc+0x4ad/0x600 [ 25.597876] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 25.597889] ieee80211_register_hw+0x1448/0x3100 [ 25.597912] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 25.597939] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 25.597946] ? vsnprintf+0x1ed/0x1900 [ 25.597972] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 25.597980] ? kasprintf+0xb3/0xe0 [ 25.598000] ? bust_spinlocks+0xc0/0xc0 [ 25.598017] ? cred_has_capability+0x1a0/0x3d0 [ 25.598035] ? kasprintf+0xb3/0xe0 [ 25.598043] ? kvasprintf_const+0x160/0x160 [ 25.598054] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.598061] ? __kernel_text_address+0xd/0x40 [ 25.598083] hwsim_new_radio_nl+0x5b7/0x7c0 [ 25.598096] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 25.598114] ? __netlink_ns_capable+0xe1/0x120 [ 25.598131] genl_family_rcv_msg+0x7b7/0xfb0 [ 25.598150] ? genl_rcv+0x40/0x40 [ 25.598156] ? lock_downgrade+0x980/0x980 [ 25.598169] ? lock_release+0xa40/0xa40 [ 25.598182] ? __lock_is_held+0xb6/0x140 [ 25.598198] ? lock_acquire+0x1d5/0x580 [ 25.598231] genl_rcv_msg+0xb2/0x140 [ 25.598244] netlink_rcv_skb+0x224/0x470 [ 25.598252] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 25.598262] ? netlink_ack+0xa10/0xa10 [ 25.598267] ? genl_rcv+0x19/0x40 [ 25.598279] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.598292] ? selinux_nlmsg_lookup+0x32b/0x430 [ 25.598306] genl_rcv+0x28/0x40 [ 25.598314] netlink_unicast+0x4c4/0x6b0 [ 25.598330] ? netlink_attachskb+0x8a0/0x8a0 [ 25.598349] ? security_netlink_send+0x81/0xb0 [ 25.598362] netlink_sendmsg+0xa4a/0xe60 [ 25.598381] ? netlink_unicast+0x6b0/0x6b0 [ 25.598396] ? security_socket_sendmsg+0x89/0xb0 [ 25.598403] ? netlink_unicast+0x6b0/0x6b0 [ 25.598414] sock_sendmsg+0xca/0x110 [ 25.598426] ___sys_sendmsg+0x767/0x8b0 [ 25.598441] ? copy_msghdr_from_user+0x590/0x590 [ 25.598463] ? __do_page_fault+0x5f7/0xc90 [ 25.598473] ? lock_downgrade+0x980/0x980 [ 25.598494] ? __fget_light+0x297/0x380 [ 25.598505] ? fget_raw+0x20/0x20 [ 25.598518] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.598523] ? vmacache_find+0x5f/0x280 [ 25.598542] ? up_read+0x1a/0x40 [ 25.598551] ? __do_page_fault+0x3d6/0xc90 [ 25.598557] ? get_unused_fd_flags+0x190/0x190 [ 25.598576] ? __fdget+0x18/0x20 [ 25.598591] __sys_sendmsg+0xe5/0x210 [ 25.598597] ? __sys_sendmsg+0xe5/0x210 [ 25.598608] ? SyS_shutdown+0x290/0x290 [ 25.598619] ? __do_page_fault+0xc90/0xc90 [ 25.598633] ? fd_install+0x4d/0x60 [ 25.598659] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.598675] SyS_sendmsg+0x2d/0x50 [ 25.598687] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.598693] RIP: 0033:0x43fd89 [ 25.598696] RSP: 002b:00007ffe1263f7b8 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 25.598703] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd89 [ 25.598707] RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000003 [ 25.598711] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 25.598714] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016f0 [ 25.598718] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 25.612962] Dumping ftrace buffer: [ 25.613040] (ftrace buffer empty) [ 25.613043] Kernel Offset: disabled [ 26.160387] Rebooting in 86400 seconds..