[....] Starting enhanced syslogd: rsyslogd[ 15.530306] audit: type=1400 audit(1520819638.164:5): avc: denied { syslog } for pid=4074 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: [ 18.199216] audit: type=1400 audit(1520819640.833:6): avc: denied { map } for pid=4212 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 '10.128.0.23' (ECDSA) to the list of known hosts. [ 40.187978] audit: type=1400 audit(1520819662.821:7): avc: denied { map } for pid=4230 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=16479 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 2018/03/12 01:54:23 parsed 1 programs 2018/03/12 01:54:23 executed programs: 0 [ 40.419527] audit: type=1400 audit(1520819663.051:8): avc: denied { map } for pid=4230 comm="syz-execprog" path="/root/syzkaller-shm516736726" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1 [ 40.445116] audit: type=1400 audit(1520819663.074:9): avc: denied { sys_admin } for pid=4235 comm="syz-executor5" capability=21 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 40.453171] IPVS: ftp: loaded support on port[0] = 21 [ 40.499106] IPVS: ftp: loaded support on port[0] = 21 [ 40.514351] audit: type=1400 audit(1520819663.148:10): avc: denied { sys_chroot } for pid=4240 comm="syz-executor4" capability=18 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 40.530562] WARNING: CPU: 1 PID: 4254 at mm/slab_common.c:1012 kmalloc_slab+0x5d/0x70 [ 40.538751] audit: type=1400 audit(1520819663.148:11): avc: denied { net_admin } for pid=4240 comm="syz-executor4" capability=12 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=cap_userns permissive=1 [ 40.546688] Kernel panic - not syncing: panic_on_warn set ... [ 40.546688] [ 40.546695] CPU: 1 PID: 4254 Comm: syz-executor4 Not tainted 4.16.0-rc4+ #260 [ 40.546697] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.546700] Call Trace: [ 40.546710] dump_stack+0x194/0x24d [ 40.546719] ? arch_local_irq_restore+0x53/0x53 [ 40.580814] IPVS: ftp: loaded support on port[0] = 21 [ 40.585561] ? vsnprintf+0x1ed/0x1900 [ 40.585574] panic+0x1e4/0x41c [ 40.614153] IPVS: ftp: loaded support on port[0] = 21 [ 40.614598] ? refcount_error_report+0x214/0x214 [ 40.627641] ? show_regs_print_info+0x18/0x18 [ 40.632112] ? __warn+0x1c1/0x200 [ 40.635538] ? kmalloc_slab+0x5d/0x70 [ 40.638581] IPVS: ftp: loaded support on port[0] = 21 [ 40.639306] __warn+0x1dc/0x200 [ 40.639312] ? kmalloc_slab+0x5d/0x70 [ 40.639322] report_bug+0x211/0x2d0 [ 40.655100] fixup_bug.part.11+0x37/0x80 [ 40.659133] do_error_trap+0x2d7/0x3e0 [ 40.663008] ? math_error+0x400/0x400 [ 40.666524] IPVS: ftp: loaded support on port[0] = 21 [ 40.666780] ? rcu_read_lock_held+0xa9/0xc0 [ 40.666790] ? xfrm_state_get_afinfo+0x138/0x280 [ 40.680976] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.685795] do_invalid_op+0x1b/0x20 [ 40.689482] invalid_op+0x1b/0x40 [ 40.692604] IPVS: ftp: loaded support on port[0] = 21 [ 40.692904] RIP: 0010:kmalloc_slab+0x5d/0x70 [ 40.692909] RSP: 0018:ffff8801b0c472f0 EFLAGS: 00010246 [ 40.707792] RAX: 0000000000000000 RBX: 0000000010000018 RCX: ffffffff84ec4fc8 [ 40.715034] RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000010000018 [ 40.719326] IPVS: ftp: loaded support on port[0] = 21 [ 40.722275] RBP: ffff8801b0c472f0 R08: 0000000000000000 R09: 1ffff10036188e21 [ 40.722278] R10: ffff8801b0c47040 R11: 0000000000000001 R12: 0000000000000018 [ 40.722281] R13: ffff8801b0c47598 R14: 00000000014080c0 R15: ffff8801c8afe040 [ 40.722297] ? xfrm_add_sa+0x1b08/0x3440 [ 40.753221] __kmalloc+0x25/0x760 [ 40.756648] ? xfrm_get_mode.part.29+0x260/0x260 [ 40.761372] ? xfrm_find_algo+0x1c4/0x270 [ 40.765492] ? xfrm_add_sa+0x1b15/0x3440 [ 40.769530] xfrm_add_sa+0x1b15/0x3440 [ 40.773401] ? xfrm_send_state_notify+0x1c50/0x1c50 [ 40.778395] ? nla_parse+0x29a/0x3d0 [ 40.782083] ? nla_validate+0x1c0/0x1c0 [ 40.786031] ? __netlink_ns_capable+0xe1/0x120 [ 40.790585] ? xfrm_send_state_notify+0x1c50/0x1c50 [ 40.795572] xfrm_user_rcv_msg+0x41c/0x860 [ 40.799776] ? xfrm_user_rcv_msg+0x41c/0x860 [ 40.804158] ? xfrm_dump_sa_done+0xe0/0xe0 [ 40.808377] ? netlink_deliver_tap+0x2c0/0xf90 [ 40.812934] ? lock_downgrade+0x980/0x980 [ 40.817056] ? lock_release+0xa40/0xa40 [ 40.821022] ? __might_fault+0x110/0x1d0 [ 40.825059] netlink_rcv_skb+0x14b/0x380 [ 40.829095] ? xfrm_dump_sa_done+0xe0/0xe0 [ 40.833306] ? netlink_ack+0xa10/0xa10 [ 40.837168] ? netlink_skb_destructor+0x1d0/0x1d0 [ 40.842004] xfrm_netlink_rcv+0x6f/0x90 [ 40.845953] netlink_unicast+0x4c4/0x6b0 [ 40.849988] ? netlink_attachskb+0x8a0/0x8a0 [ 40.854375] ? security_netlink_send+0x81/0xb0 [ 40.858930] netlink_sendmsg+0xa4a/0xe60 [ 40.862969] ? netlink_unicast+0x6b0/0x6b0 [ 40.867181] ? security_socket_sendmsg+0x89/0xb0 [ 40.871907] ? netlink_unicast+0x6b0/0x6b0 [ 40.876113] sock_sendmsg+0xca/0x110 [ 40.879800] ___sys_sendmsg+0x767/0x8b0 [ 40.883760] ? copy_msghdr_from_user+0x590/0x590 [ 40.888490] ? __schedule+0x903/0x1ec0 [ 40.892355] ? __sched_text_start+0x8/0x8 [ 40.896480] ? __fget_light+0x2b2/0x3c0 [ 40.900437] ? fget_raw+0x20/0x20 [ 40.903868] ? __fd_install+0x288/0x740 [ 40.907813] ? get_unused_fd_flags+0x190/0x190 [ 40.912375] __sys_sendmsg+0xe5/0x210 [ 40.916146] ? __sys_sendmsg+0xe5/0x210 [ 40.920093] ? SyS_shutdown+0x290/0x290 [ 40.924044] ? exit_to_usermode_loop+0x8c/0x2f0 [ 40.928693] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 40.934208] SyS_sendmsg+0x2d/0x50 [ 40.937717] ? __sys_sendmsg+0x210/0x210 [ 40.941747] do_syscall_64+0x281/0x940 [ 40.945606] ? __do_page_fault+0xc90/0xc90 [ 40.949810] ? _raw_spin_unlock_irq+0x27/0x70 [ 40.954279] ? finish_task_switch+0x1c1/0x7e0 [ 40.958848] ? syscall_return_slowpath+0x550/0x550 [ 40.963748] ? syscall_return_slowpath+0x2ac/0x550 [ 40.968648] ? prepare_exit_to_usermode+0x350/0x350 [ 40.973634] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 40.978971] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.983790] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 40.988950] RIP: 0033:0x453e69 [ 40.992110] RSP: 002b:00007efe8cb6cc68 EFLAGS: 00000246 ORIG_RAX: 000000000000002e [ 40.999787] RAX: ffffffffffffffda RBX: 00007efe8cb6d6d4 RCX: 0000000000453e69 [ 41.007027] RDX: 0000000000000000 RSI: 000000002014f000 RDI: 0000000000000003 [ 41.014266] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 41.021508] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 41.028746] R13: 00000000000004c7 R14: 00000000006f7348 R15: 0000000000000000 [ 41.036494] Dumping ftrace buffer: [ 41.040097] (ftrace buffer empty) [ 41.043779] Kernel Offset: disabled [ 41.047379] Rebooting in 86400 seconds..