[?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: [ 21.031193] audit: type=1400 audit(1515853209.980:6): avc: denied { map } for pid=3643 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 [ 21.048183] sshd (3641) used greatest stack depth: 17200 bytes left Warning: Permanently added '10.128.0.6' (ECDSA) to the list of known hosts. executing program [ 36.143565] audit: type=1400 audit(1515853225.093:7): avc: denied { map } for pid=3659 comm="syzkaller264925" path="/root/syzkaller264925673" 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 [ 36.150808] ------------[ cut here ]------------ [ 36.150815] ieee80211 j#◠@A} o{BvOlGt v=fAowؿ9nÀlya3+hbkHwrm'-x4z[!K: device/subsystem name too long [ 36.150932] WARNING: CPU: 1 PID: 3659 at drivers/base/core.c:2884 dev_vprintk_emit+0x159/0x510 [ 36.150936] Kernel panic - not syncing: panic_on_warn set ... [ 36.150936] [ 36.150942] CPU: 1 PID: 3659 Comm: syzkaller264925 Not tainted 4.15.0-rc7+ #187 [ 36.150945] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.150947] Call Trace: [ 36.150959] dump_stack+0x194/0x257 [ 36.150967] ? arch_local_irq_restore+0x53/0x53 [ 36.150977] ? vsnprintf+0x1ed/0x1900 [ 36.150989] panic+0x1e4/0x41c [ 36.150994] ? refcount_error_report+0x214/0x214 [ 36.151005] ? show_regs_print_info+0x18/0x18 [ 36.151017] ? __warn+0x1c1/0x200 [ 36.151025] ? dev_vprintk_emit+0x159/0x510 [ 36.151029] __warn+0x1dc/0x200 [ 36.151034] ? dev_vprintk_emit+0x159/0x510 [ 36.151042] report_bug+0x211/0x2d0 [ 36.151057] fixup_bug.part.11+0x37/0x80 [ 36.151063] do_error_trap+0x2d7/0x3e0 [ 36.151067] ? __down_trylock_console_sem+0x10d/0x1e0 [ 36.151076] ? math_error+0x400/0x400 [ 36.151080] ? vprintk_emit+0x3ea/0x590 [ 36.151098] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.151108] do_invalid_op+0x1b/0x20 [ 36.151115] invalid_op+0x22/0x40 [ 36.151120] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 36.151122] RSP: 0018:ffff8801d943ee68 EFLAGS: 00010286 [ 36.151127] RAX: dffffc0000000008 RBX: ffff8801bb288940 RCX: ffffffff8159e15e [ 36.151129] RDX: 0000000000000000 RSI: 1ffff100376c9dbd RDI: 0000000000000293 [ 36.151132] RBP: ffff8801d943efa8 R08: 1ffff1003b287d60 R09: 0000000000000000 [ 36.151135] R10: ffff8801d943f090 R11: 0000000000000000 R12: 1ffff1003b287dd4 [ 36.151137] R13: ffff8801d667c200 R14: ffff8801d943eec0 R15: ffff8801d943efe0 [ 36.151150] ? vprintk_func+0x5e/0xc0 [ 36.151160] ? dev_vprintk_emit+0x159/0x510 [ 36.151171] ? device_check_offline+0x120/0x120 [ 36.151180] ? ieee80211_register_hw+0x1448/0x3100 [ 36.151198] ? check_noncircular+0x20/0x20 [ 36.151204] ? print_irqtrace_events+0x270/0x270 [ 36.151210] ? sock_sendmsg+0xca/0x110 [ 36.151214] ? ___sys_sendmsg+0x767/0x8b0 [ 36.151223] dev_printk_emit+0xc0/0xf0 [ 36.151229] ? dev_vprintk_emit+0x510/0x510 [ 36.151233] ? print_irqtrace_events+0x270/0x270 [ 36.151240] ? device_rename+0x1f0/0x1f0 [ 36.151255] __dev_printk+0xa7/0x120 [ 36.151263] dev_printk+0x111/0x170 [ 36.151269] ? __dev_printk+0x120/0x120 [ 36.151285] ? minstrel_alloc+0x4ad/0x600 [ 36.151300] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 36.151309] ieee80211_register_hw+0x1448/0x3100 [ 36.151324] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 36.151343] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 36.151347] ? vsnprintf+0x1ed/0x1900 [ 36.151364] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 36.151371] ? kasprintf+0xb3/0xe0 [ 36.151387] ? bust_spinlocks+0xc0/0xc0 [ 36.151397] ? cred_has_capability+0x1a0/0x3d0 [ 36.151407] ? kasprintf+0xb3/0xe0 [ 36.151412] ? kvasprintf_const+0x160/0x160 [ 36.151420] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 36.151428] ? __kernel_text_address+0xd/0x40 [ 36.151443] hwsim_new_radio_nl+0x5b7/0x7c0 [ 36.151450] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 36.151463] ? __netlink_ns_capable+0xe1/0x120 [ 36.151473] genl_family_rcv_msg+0x7b7/0xfb0 [ 36.151485] ? genl_rcv+0x40/0x40 [ 36.151489] ? lock_downgrade+0x980/0x980 [ 36.151497] ? lock_release+0xa40/0xa40 [ 36.151505] ? __lock_is_held+0xb6/0x140 [ 36.151515] ? lock_acquire+0x1d5/0x580 [ 36.151535] genl_rcv_msg+0xb2/0x140 [ 36.151543] netlink_rcv_skb+0x224/0x470 [ 36.151548] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 36.151555] ? netlink_ack+0xa10/0xa10 [ 36.151558] ? genl_rcv+0x19/0x40 [ 36.151565] ? netlink_skb_destructor+0x1d0/0x1d0 [ 36.151573] ? selinux_nlmsg_lookup+0x32b/0x430 [ 36.151582] genl_rcv+0x28/0x40 [ 36.151586] netlink_unicast+0x4c4/0x6b0 [ 36.151597] ? netlink_attachskb+0x8a0/0x8a0 [ 36.151608] ? security_netlink_send+0x81/0xb0 [ 36.151616] netlink_sendmsg+0xa4a/0xe60 [ 36.151627] ? netlink_unicast+0x6b0/0x6b0 [ 36.151636] ? security_socket_sendmsg+0x89/0xb0 [ 36.151641] ? netlink_unicast+0x6b0/0x6b0 [ 36.151648] sock_sendmsg+0xca/0x110 [ 36.151655] ___sys_sendmsg+0x767/0x8b0 [ 36.151665] ? copy_msghdr_from_user+0x590/0x590 [ 36.151686] ? __do_page_fault+0x5f7/0xc90 [ 36.151692] ? lock_downgrade+0x980/0x980 [ 36.151706] ? __fget_light+0x297/0x380 [ 36.151712] ? fget_raw+0x20/0x20 [ 36.151721] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 36.151724] ? vmacache_find+0x5f/0x280 [ 36.151736] ? up_read+0x1a/0x40 [ 36.151741] ? __do_page_fault+0x3d6/0xc90 [ 36.151745] ? get_unused_fd_flags+0x190/0x190 [ 36.151756] ? __fdget+0x18/0x20 [ 36.151767] __sys_sendmsg+0xe5/0x210 [ 36.151770] ? __sys_sendmsg+0xe5/0x210 [ 36.151777] ? SyS_shutdown+0x290/0x290 [ 36.151784] ? __do_page_fault+0xc90/0xc90 [ 36.151793] ? fd_install+0x4d/0x60 [ 36.151809] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.151819] SyS_sendmsg+0x2d/0x50 [ 36.151827] entry_SYSCALL_64_fastpath+0x23/0x9a [ 36.151830] RIP: 0033:0x43fd89 [ 36.151833] RSP: 002b:00007ffe99d7fd78 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 36.151837] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd89 [ 36.151839] RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000003 [ 36.151842] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 36.151844] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016f0 [ 36.151846] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 36.169525] Dumping ftrace buffer: [ 36.169706] (ftrace buffer empty) [ 36.169709] Kernel Offset: disabled [ 36.717176] Rebooting in 86400 seconds..