[....] Starting enhanced syslogd: rsyslogd[ 13.038199] audit: type=1400 audit(1515852462.968:5): avc: denied { syslog } for pid=3499 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: [ 19.611635] audit: type=1400 audit(1515852469.541:6): 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 '10.128.0.15' (ECDSA) to the list of known hosts. executing program [ 25.846147] audit: type=1400 audit(1515852475.775:7): avc: denied { map } for pid=3652 comm="syzkaller376059" path="/root/syzkaller376059688" 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 [ 25.856186] ------------[ cut here ]------------ [ 25.856197] ieee80211 j#◠@A} o{BvOlGt v=fAowؿ9nÀlya3+hbkHwrm'-x4z[!K: device/subsystem name too long [ 25.856327] WARNING: CPU: 1 PID: 3652 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 25.856331] Kernel panic - not syncing: panic_on_warn set ... [ 25.856331] [ 25.856339] CPU: 1 PID: 3652 Comm: syzkaller376059 Not tainted 4.15.0-rc7+ #260 [ 25.856342] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.856345] Call Trace: [ 25.856356] dump_stack+0x194/0x257 [ 25.856369] ? arch_local_irq_restore+0x53/0x53 [ 25.856385] ? vsnprintf+0x1ed/0x1900 [ 25.856400] panic+0x1e4/0x41c [ 25.856409] ? refcount_error_report+0x214/0x214 [ 25.856417] ? show_regs_print_info+0x18/0x18 [ 25.856435] ? __warn+0x1c1/0x200 [ 25.856448] ? dev_vprintk_emit+0x159/0x510 [ 25.856454] __warn+0x1dc/0x200 [ 25.856463] ? dev_vprintk_emit+0x159/0x510 [ 25.856475] report_bug+0x211/0x2d0 [ 25.856493] fixup_bug.part.11+0x37/0x80 [ 25.856503] do_error_trap+0x2d7/0x3e0 [ 25.856510] ? __down_trylock_console_sem+0x10d/0x1e0 [ 25.856523] ? math_error+0x400/0x400 [ 25.856530] ? vprintk_emit+0x3ea/0x590 [ 25.856556] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.856572] do_invalid_op+0x1b/0x20 [ 25.856579] invalid_op+0x22/0x40 [ 25.856585] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 25.856589] RSP: 0018:ffff8801bc40ee68 EFLAGS: 00010286 [ 25.856595] RAX: dffffc0000000008 RBX: ffff8801bc080980 RCX: ffffffff8159da9e [ 25.856599] RDX: 0000000000000000 RSI: 1ffff100378f9d2d RDI: 0000000000000293 [ 25.856603] RBP: ffff8801bc40efa8 R08: 1ffff10037881d60 R09: 0000000000000000 [ 25.856607] R10: ffff8801bc40f090 R11: 0000000000000000 R12: 1ffff10037881dd4 [ 25.856611] R13: ffff8801d472c400 R14: ffff8801bc40eec0 R15: ffff8801bc40efe0 [ 25.856631] ? vprintk_func+0x5e/0xc0 [ 25.856646] ? dev_vprintk_emit+0x159/0x510 [ 25.856664] ? device_check_offline+0x120/0x120 [ 25.856671] ? ieee80211_register_hw+0x1448/0x3100 [ 25.856696] ? check_noncircular+0x20/0x20 [ 25.856705] ? print_irqtrace_events+0x270/0x270 [ 25.856712] ? sock_sendmsg+0xca/0x110 [ 25.856717] ? ___sys_sendmsg+0x767/0x8b0 [ 25.856731] dev_printk_emit+0xc0/0xf0 [ 25.856741] ? dev_vprintk_emit+0x510/0x510 [ 25.856747] ? print_irqtrace_events+0x270/0x270 [ 25.856763] ? device_rename+0x1f0/0x1f0 [ 25.856786] __dev_printk+0xa7/0x120 [ 25.856799] dev_printk+0x111/0x170 [ 25.856808] ? __dev_printk+0x120/0x120 [ 25.856833] ? minstrel_alloc+0x4ad/0x600 [ 25.856856] ieee80211_init_rate_ctrl_alg+0x2d5/0x4a0 [ 25.856869] ieee80211_register_hw+0x1448/0x3100 [ 25.856891] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 25.856917] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 25.856924] ? vsnprintf+0x1ed/0x1900 [ 25.856950] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 25.856956] ? kasprintf+0xb3/0xe0 [ 25.856976] ? bust_spinlocks+0xc0/0xc0 [ 25.856989] ? cred_has_capability+0x1a0/0x3d0 [ 25.857009] ? kasprintf+0xb3/0xe0 [ 25.857017] ? kvasprintf_const+0x160/0x160 [ 25.857029] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 25.857039] ? __kernel_text_address+0xd/0x40 [ 25.857062] hwsim_new_radio_nl+0x5b7/0x7c0 [ 25.857074] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 25.857094] ? __netlink_ns_capable+0xe1/0x120 [ 25.857110] genl_family_rcv_msg+0x7b7/0xfb0 [ 25.857128] ? genl_rcv+0x40/0x40 [ 25.857145] ? lock_downgrade+0x980/0x980 [ 25.857167] ? lock_acquire+0x1d5/0x580 [ 25.857200] genl_rcv_msg+0xb2/0x140 [ 25.857212] netlink_rcv_skb+0x224/0x470 [ 25.857220] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 25.857230] ? netlink_ack+0xa10/0xa10 [ 25.857235] ? genl_rcv+0x19/0x40 [ 25.857247] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.857258] ? selinux_nlmsg_lookup+0x32b/0x430 [ 25.857272] genl_rcv+0x28/0x40 [ 25.857280] netlink_unicast+0x4ee/0x700 [ 25.857296] ? netlink_attachskb+0x8a0/0x8a0 [ 25.857311] ? security_netlink_send+0x81/0xb0 [ 25.857324] netlink_sendmsg+0xa4a/0xe60 [ 25.857342] ? netlink_unicast+0x700/0x700 [ 25.857356] ? security_socket_sendmsg+0x89/0xb0 [ 25.857364] ? netlink_unicast+0x700/0x700 [ 25.857373] sock_sendmsg+0xca/0x110 [ 25.857385] ___sys_sendmsg+0x767/0x8b0 [ 25.857400] ? copy_msghdr_from_user+0x590/0x590 [ 25.857420] ? __do_page_fault+0x5f7/0xc90 [ 25.857429] ? lock_downgrade+0x980/0x980 [ 25.857449] ? __fget_light+0x297/0x380 [ 25.857458] ? fget_raw+0x20/0x20 [ 25.857468] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.857475] ? vmacache_find+0x5f/0x280 [ 25.857493] ? up_read+0x1a/0x40 [ 25.857501] ? __do_page_fault+0x3d6/0xc90 [ 25.857507] ? get_unused_fd_flags+0x190/0x190 [ 25.857526] ? __fdget+0x18/0x20 [ 25.857541] __sys_sendmsg+0xe5/0x210 [ 25.857546] ? __sys_sendmsg+0xe5/0x210 [ 25.857557] ? SyS_shutdown+0x290/0x290 [ 25.857568] ? __do_page_fault+0xc90/0xc90 [ 25.857581] ? fd_install+0x4d/0x60 [ 25.857607] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.857623] SyS_sendmsg+0x2d/0x50 [ 25.857635] entry_SYSCALL_64_fastpath+0x23/0x9a [ 25.857640] RIP: 0033:0x43fd89 [ 25.857644] RSP: 002b:00007ffe0ab23e98 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 25.857651] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd89 [ 25.857654] RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000003 [ 25.857658] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 25.857662] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016f0 [ 25.857665] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 25.872567] Dumping ftrace buffer: [ 25.872652] (ftrace buffer empty) [ 25.872655] Kernel Offset: disabled [ 26.410911] Rebooting in 86400 seconds..