[ 12.019873] audit: type=1400 audit(1515853196.997:5): avc: denied { syslog } for pid=3507 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: [ 16.630256] audit: type=1400 audit(1515853201.608:6): avc: denied { map } for pid=3649 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 '10.128.15.211' (ECDSA) to the list of known hosts. executing program [ 22.853172] audit: type=1400 audit(1515853207.830:7): avc: denied { map } for pid=3663 comm="syzkaller935594" path="/root/syzkaller935594131" 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 [ 22.864677] ------------[ cut here ]------------ [ 22.864688] ieee80211 j#◠@A} o{BvOlGt v=fAowؿ9nÀlya3+hbkHwrm'-x4z[!K: device/subsystem name too long [ 22.864815] WARNING: CPU: 1 PID: 3663 at drivers/base/core.c:2881 dev_vprintk_emit+0x159/0x510 [ 22.864820] Kernel panic - not syncing: panic_on_warn set ... [ 22.864820] [ 22.864828] CPU: 1 PID: 3663 Comm: syzkaller935594 Not tainted 4.15.0-rc7-mm1+ #56 [ 22.864832] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.864835] Call Trace: [ 22.864847] dump_stack+0x194/0x257 [ 22.864860] ? arch_local_irq_restore+0x53/0x53 [ 22.864876] ? vsnprintf+0x1ed/0x1900 [ 22.864892] panic+0x1e4/0x41c [ 22.864901] ? refcount_error_report+0x214/0x214 [ 22.864907] ? show_regs_print_info+0x18/0x18 [ 22.864926] ? __warn+0x1c1/0x200 [ 22.864940] ? dev_vprintk_emit+0x159/0x510 [ 22.864946] __warn+0x1dc/0x200 [ 22.864954] ? dev_vprintk_emit+0x159/0x510 [ 22.864966] report_bug+0x211/0x2d0 [ 22.864983] fixup_bug.part.11+0x37/0x80 [ 22.864992] do_error_trap+0x2d7/0x3e0 [ 22.865005] ? __down_trylock_console_sem+0x10d/0x1e0 [ 22.865018] ? math_error+0x400/0x400 [ 22.865025] ? vprintk_emit+0x3ea/0x590 [ 22.865055] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 22.865071] do_invalid_op+0x1b/0x20 [ 22.865079] invalid_op+0x22/0x40 [ 22.865086] RIP: 0010:dev_vprintk_emit+0x159/0x510 [ 22.865090] RSP: 0018:ffff8801d95d6e68 EFLAGS: 00010286 [ 22.865096] RAX: dffffc0000000008 RBX: ffff8801d9558940 RCX: ffffffff815a58fe [ 22.865101] RDX: 0000000000000000 RSI: 1ffff1003786a155 RDI: 0000000000000293 [ 22.865105] RBP: ffff8801d95d6fa8 R08: 1ffff1003b2bad60 R09: 0000000000000000 [ 22.865109] R10: ffff8801d95d7090 R11: 0000000000000000 R12: 1ffff1003b2badd4 [ 22.865113] R13: ffff8801d5783500 R14: ffff8801d95d6ec0 R15: ffff8801d95d6fe0 [ 22.865132] ? vprintk_func+0x5e/0xc0 [ 22.865148] ? dev_vprintk_emit+0x159/0x510 [ 22.865165] ? device_check_offline+0x120/0x120 [ 22.865175] ? ieee80211_register_hw+0x1448/0x3100 [ 22.865203] ? check_noncircular+0x20/0x20 [ 22.865213] ? print_irqtrace_events+0x270/0x270 [ 22.865221] ? sock_sendmsg+0xca/0x110 [ 22.865227] ? ___sys_sendmsg+0x767/0x8b0 [ 22.865241] dev_printk_emit+0xc0/0xf0 [ 22.865251] ? dev_vprintk_emit+0x510/0x510 [ 22.865258] ? print_irqtrace_events+0x270/0x270 [ 22.865270] ? device_rename+0x1f0/0x1f0 [ 22.865294] __dev_printk+0xa7/0x120 [ 22.865307] dev_printk+0x111/0x170 [ 22.865316] ? __dev_printk+0x120/0x120 [ 22.865341] ? minstrel_alloc+0x4ad/0x600 [ 22.865370] ieee80211_init_rate_ctrl_alg+0x2d5/0x4b0 [ 22.865384] ieee80211_register_hw+0x1448/0x3100 [ 22.865408] ? ieee80211_ifa6_changed+0x9c0/0x9c0 [ 22.865435] mac80211_hwsim_new_radio+0x1b2e/0x2b90 [ 22.865442] ? vsnprintf+0x1ed/0x1900 [ 22.865469] ? mac80211_hwsim_remove_chanctx+0xa0/0xa0 [ 22.865476] ? kasprintf+0xb3/0xe0 [ 22.865497] ? bust_spinlocks+0xc0/0xc0 [ 22.865509] ? cred_has_capability+0x1a0/0x3d0 [ 22.865527] ? kasprintf+0xb3/0xe0 [ 22.865535] ? kvasprintf_const+0x160/0x160 [ 22.865548] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 22.865556] ? __kernel_text_address+0xd/0x40 [ 22.865579] hwsim_new_radio_nl+0x5b7/0x7c0 [ 22.865591] ? mac80211_hwsim_new_radio+0x2b90/0x2b90 [ 22.865609] ? __netlink_ns_capable+0xe1/0x120 [ 22.865627] genl_family_rcv_msg+0x7b7/0xfb0 [ 22.865646] ? genl_rcv+0x40/0x40 [ 22.865652] ? lock_downgrade+0x980/0x980 [ 22.865666] ? lock_release+0xa40/0xa40 [ 22.865679] ? __lock_is_held+0xb6/0x140 [ 22.865694] ? lock_acquire+0x1d5/0x580 [ 22.865728] genl_rcv_msg+0xb2/0x140 [ 22.865742] netlink_rcv_skb+0x224/0x470 [ 22.865750] ? genl_family_rcv_msg+0xfb0/0xfb0 [ 22.865760] ? netlink_ack+0xa10/0xa10 [ 22.865766] ? genl_rcv+0x19/0x40 [ 22.865778] ? netlink_skb_destructor+0x1d0/0x1d0 [ 22.865790] ? selinux_nlmsg_lookup+0x32b/0x430 [ 22.865804] genl_rcv+0x28/0x40 [ 22.865812] netlink_unicast+0x4c4/0x6b0 [ 22.865829] ? netlink_attachskb+0x8a0/0x8a0 [ 22.865846] ? security_netlink_send+0x81/0xb0 [ 22.865859] netlink_sendmsg+0xa4a/0xe60 [ 22.865878] ? netlink_unicast+0x6b0/0x6b0 [ 22.865893] ? security_socket_sendmsg+0x89/0xb0 [ 22.865901] ? netlink_unicast+0x6b0/0x6b0 [ 22.865912] sock_sendmsg+0xca/0x110 [ 22.865924] ___sys_sendmsg+0x767/0x8b0 [ 22.865940] ? copy_msghdr_from_user+0x590/0x590 [ 22.865961] ? __do_page_fault+0x5f7/0xc90 [ 22.865971] ? lock_downgrade+0x980/0x980 [ 22.865990] ? __fget_light+0x297/0x380 [ 22.866001] ? fget_raw+0x20/0x20 [ 22.866011] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 22.866017] ? vmacache_find+0x5f/0x280 [ 22.866035] ? up_read+0x1a/0x40 [ 22.866044] ? __do_page_fault+0x3d6/0xc90 [ 22.866051] ? get_unused_fd_flags+0x190/0x190 [ 22.866070] ? __fdget+0x18/0x20 [ 22.866086] __sys_sendmsg+0xe5/0x210 [ 22.866091] ? __sys_sendmsg+0xe5/0x210 [ 22.866102] ? SyS_shutdown+0x290/0x290 [ 22.866113] ? __do_page_fault+0xc90/0xc90 [ 22.866128] ? fd_install+0x4d/0x60 [ 22.866154] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 22.866170] SyS_sendmsg+0x2d/0x50 [ 22.866182] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 22.866187] RIP: 0033:0x43fd89 [ 22.866191] RSP: 002b:00007ffd11d79bf8 EFLAGS: 00000203 ORIG_RAX: 000000000000002e [ 22.866198] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fd89 [ 22.866202] RDX: 0000000000000000 RSI: 0000000020b3dfc8 RDI: 0000000000000003 [ 22.866205] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 22.866209] R10: 0000000000000000 R11: 0000000000000203 R12: 00000000004016f0 [ 22.866213] R13: 0000000000401780 R14: 0000000000000000 R15: 0000000000000000 [ 22.879541] Dumping ftrace buffer: [ 22.879619] (ftrace buffer empty) [ 22.879621] Kernel Offset: disabled [ 23.427441] Rebooting in 86400 seconds..