[ 12.087928] audit: type=1400 audit(1515866084.997:5): avc: denied { syslog } for pid=3493 comm="rsyslogd" capability=34 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=capability2 permissive=1 [....] Starting enhanced syslogd: rsyslogd[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] 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: [ 18.611158] audit: type=1400 audit(1515866091.520:6): avc: denied { map } for pid=3636 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 '10.128.0.5' (ECDSA) to the list of known hosts. executing program [ 32.094290] audit: type=1400 audit(1515866105.003:7): avc: denied { map } for pid=3652 comm="syzkaller221601" path="/root/syzkaller221601572" 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 [ 32.099705] netlink: 'syzkaller221601': attribute type 9 has an invalid length. [ 32.101403] WARNING: CPU: 0 PID: 3652 at net/wireless/core.c:549 wiphy_register+0xfc3/0x2050 [ 32.101407] Kernel panic - not syncing: panic_on_warn set ... [ 32.101407] [ 32.101412] CPU: 0 PID: 3652 Comm: syzkaller221601 Not tainted 4.15.0-rc7+ #260 [ 32.101415] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 32.101417] Call Trace: [ 32.101425] dump_stack+0x194/0x257 [ 32.101434] ? arch_local_irq_restore+0x53/0x53 [ 32.101444] ? vsnprintf+0x1ed/0x1900 [ 32.101454] panic+0x1e4/0x41c [ 32.101459] ? refcount_error_report+0x214/0x214 [ 32.101466] ? show_regs_print_info+0x18/0x18 [ 32.101477] ? __warn+0x1c1/0x200 [ 32.101485] ? wiphy_register+0xfc3/0x2050 [ 32.101489] __warn+0x1dc/0x200 [ 32.101494] ? wiphy_register+0xfc3/0x2050 [ 32.101502] report_bug+0x211/0x2d0 [ 32.101515] fixup_bug.part.11+0x37/0x80 [ 32.101521] do_error_trap+0x2d7/0x3e0 [ 32.101529] ? depot_save_stack+0x3b5/0x490 [ 32.101536] ? math_error+0x400/0x400 [ 32.101544] ? save_stack+0xa3/0xd0 [ 32.101549] ? save_stack+0x43/0xd0 [ 32.101553] ? kasan_kmalloc+0xad/0xe0 [ 32.101556] ? __kmalloc+0x162/0x760 [ 32.101565] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 32.101575] do_invalid_op+0x1b/0x20 [ 32.101579] invalid_op+0x22/0x40 [ 32.101584] RIP: 0010:wiphy_register+0xfc3/0x2050 [ 32.101586] RSP: 0018:ffff8801d9a7f080 EFLAGS: 00010293 [ 32.101591] RAX: ffff8801bbcf4640 RBX: 0000000000670010 RCX: ffffffff8517dd33 [ 32.101593] RDX: 0000000000000000 RSI: ffff8801d91db206 RDI: ffff8801d91db1f0 [ 32.101596] RBP: ffff8801d9a7f200 R08: ffffed003b23b10d R09: ffffed003b23b10d [ 32.101599] R10: 0000000000000001 R11: ffffed003b23b10c R12: ffff8801d91db1f4 [ 32.101601] R13: dffffc0000000000 R14: ffff8801d91d8860 R15: ffff8801d91d8890 [ 32.101613] ? wiphy_register+0xfc3/0x2050 [ 32.101630] ? do_raw_spin_trylock+0x190/0x190 [ 32.101644] ? wiphy_unregister+0x1120/0x1120 [ 32.101655] ? rcu_read_lock_sched_held+0x108/0x120 [ 32.101660] ? __kmalloc+0x46e/0x760 [ 32.101663] ? find_held_lock+0x35/0x1d0 [ 32.101673] ? ieee80211_cs_list_valid+0x2f3/0x3c0 [ 32.101679] ? ieee80211_register_hw+0xa8e/0x3100 [ 32.101688] ieee80211_register_hw+0x1162/0x3100 [ 32.101691] ? ieee80211_register_hw+0x1162/0x3100 [ 32.101705] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 32.101722] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 32.101740] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 32.101746] ? vprintk_emit+0x3ea/0x590 [ 32.101758] ? vprintk_default+0x28/0x30 [ 32.101764] ? vprintk_func+0x5e/0xc0 [ 32.101770] ? printk+0xaa/0xca [ 32.101776] ? show_regs_print_info+0x18/0x18 [ 32.101783] ? idr_get_free_cmn+0xfd0/0xfd0 [ 32.101792] ? validate_nla+0x683/0x6e0 [ 32.101800] ? validate_nla+0x209/0x6e0 [ 32.101808] hwsim_new_radio_nl+0x5b7/0x7c0 [ 32.101815] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 32.101828] ? __netlink_ns_capable+0xe1/0x120 [ 32.101838] genl_family_rcv_msg+0x7b7/0xfb0 [ 32.101849] ? genl_rcv+0x40/0x40 [ 32.101860] ? lock_downgrade+0x980/0x980 [ 32.101873] ? lock_acquire+0x1d5/0x580 [ 32.101893] genl_rcv_msg+0xb2/0x140 [ 32.101901] netlink_rcv_skb+0x224/0x470 [ 32.101906] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 32.101912] ? netlink_ack+0xa10/0xa10 [ 32.101915] ? genl_rcv+0x19/0x40 [ 32.101923] ? netlink_skb_destructor+0x1d0/0x1d0 [ 32.101930] ? selinux_nlmsg_lookup+0x32b/0x430 [ 32.101939] genl_rcv+0x28/0x40 [ 32.101943] netlink_unicast+0x4ee/0x700 [ 32.101953] ? netlink_attachskb+0x8a0/0x8a0 [ 32.101963] ? security_netlink_send+0x81/0xb0 [ 32.101971] netlink_sendmsg+0xa4a/0xe60 [ 32.101982] ? netlink_unicast+0x700/0x700 [ 32.101991] ? security_socket_sendmsg+0x89/0xb0 [ 32.101996] ? netlink_unicast+0x700/0x700 [ 32.102006] sock_sendmsg+0xca/0x110 [ 32.102013] ___sys_sendmsg+0x767/0x8b0 [ 32.102022] ? copy_msghdr_from_user+0x590/0x590 [ 32.102036] ? __do_page_fault+0x5f7/0xc90 [ 32.102042] ? lock_downgrade+0x980/0x980 [ 32.102054] ? __fget_light+0x297/0x380 [ 32.102060] ? fget_raw+0x20/0x20 [ 32.102067] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.102072] ? vmacache_find+0x5f/0x280 [ 32.102083] ? up_read+0x1a/0x40 [ 32.102089] ? __do_page_fault+0x3d6/0xc90 [ 32.102092] ? get_unused_fd_flags+0x190/0x190 [ 32.102104] ? __fdget+0x18/0x20 [ 32.102113] __sys_sendmsg+0xe5/0x210 [ 32.102117] ? __sys_sendmsg+0xe5/0x210 [ 32.102123] ? SyS_shutdown+0x290/0x290 [ 32.102130] ? __do_page_fault+0xc90/0xc90 [ 32.102139] ? fd_install+0x4d/0x60 [ 32.102154] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.102164] SyS_sendmsg+0x2d/0x50 [ 32.102173] entry_SYSCALL_64_fastpath+0x23/0x9a [ 32.102177] RIP: 0033:0x43fd89 [ 32.102179] RSP: 002b:00007ffdfc739808 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 32.102183] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd89 [ 32.102186] RDX: 0000000000000000 RSI: 000000002038bfc8 RDI: 0000000000000003 [ 32.102188] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 32.102190] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016f0 [ 32.102193] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 32.120541] Dumping ftrace buffer: [ 32.120583] (ftrace buffer empty) [ 32.120586] Kernel Offset: disabled [ 32.620923] Rebooting in 86400 seconds..