[....] Starting enhanced syslogd: rsyslogd[ 13.042992] audit: type=1400 audit(1515597657.509:5): avc: denied { syslog } for pid=3342 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: [ 19.544832] audit: type=1400 audit(1515597664.011:6): avc: denied { map } for pid=3483 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 '10.128.0.41' (ECDSA) to the list of known hosts. executing program [ 25.789791] audit: type=1400 audit(1515597670.256:7): avc: denied { map } for pid=3497 comm="syzkaller696774" path="/root/syzkaller696774408" 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 [ 25.816609] audit: type=1400 audit(1515597670.256:8): avc: denied { prog_load } for pid=3497 comm="syzkaller696774" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.839890] audit: type=1400 audit(1515597670.306:9): avc: denied { prog_run } for pid=3497 comm="syzkaller696774" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 25.840610] ------------[ cut here ]------------ [ 25.840619] unknown opcode cc [ 25.840680] WARNING: CPU: 0 PID: 3497 at kernel/bpf/core.c:1304 ___bpf_prog_run+0x4a40/0x60f0 [ 25.840684] Kernel panic - not syncing: panic_on_warn set ... [ 25.840684] [ 25.840691] CPU: 0 PID: 3497 Comm: syzkaller696774 Not tainted 4.15.0-rc7+ #181 [ 25.840695] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.840697] Call Trace: [ 25.840707] dump_stack+0x194/0x257 [ 25.840719] ? arch_local_irq_restore+0x53/0x53 [ 25.840734] ? vsnprintf+0x1ed/0x1900 [ 25.840749] panic+0x1e4/0x41c [ 25.840757] ? refcount_error_report+0x214/0x214 [ 25.840765] ? show_regs_print_info+0x18/0x18 [ 25.840783] ? __warn+0x1c1/0x200 [ 25.840796] ? ___bpf_prog_run+0x4a40/0x60f0 [ 25.840802] __warn+0x1dc/0x200 [ 25.840811] ? ___bpf_prog_run+0x4a40/0x60f0 [ 25.840822] report_bug+0x211/0x2d0 [ 25.840840] fixup_bug.part.11+0x37/0x80 [ 25.840850] do_error_trap+0x2d7/0x3e0 [ 25.840864] ? math_error+0x400/0x400 [ 25.840870] ? vprintk_emit+0x3ea/0x590 [ 25.840897] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.840913] do_invalid_op+0x1b/0x20 [ 25.840920] invalid_op+0x22/0x40 [ 25.840927] RIP: 0010:___bpf_prog_run+0x4a40/0x60f0 [ 25.840931] RSP: 0018:ffff8801bfb87280 EFLAGS: 00010286 [ 25.840938] RAX: dffffc0000000008 RBX: 1ffff10037f70e5c RCX: ffffffff8159e15e [ 25.840942] RDX: 0000000000000000 RSI: ffff8801bfe40e20 RDI: 0000000000000293 [ 25.840946] RBP: ffff8801bfb87388 R08: 1ffff10037f70de3 R09: 0000000000000000 [ 25.840949] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 25.840953] R13: ffffc90000002048 R14: 00000000000000cc R15: 0000000000000000 [ 25.840972] ? vprintk_func+0x5e/0xc0 [ 25.840990] ? netlink_lookup+0x5f7/0xa90 [ 25.841010] ? bpf_jit_compile+0x30/0x30 [ 25.841020] ? refcount_inc_not_zero+0xfe/0x180 [ 25.841034] ? check_noncircular+0x20/0x20 [ 25.841061] __bpf_prog_run32+0xce/0x130 [ 25.841071] ? __bpf_prog_run64+0x130/0x130 [ 25.841084] ? lock_release+0xa40/0xa40 [ 25.841097] ? __lock_is_held+0xb6/0x140 [ 25.841125] sk_filter_trim_cap+0x33c/0x9c0 [ 25.841141] ? sk_skb_is_valid_access+0x140/0x140 [ 25.841156] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.841170] ? rtnl_fill_vf+0x480/0x480 [ 25.841184] netlink_unicast+0x1b8/0x6b0 [ 25.841190] ? lock_release+0xa40/0xa40 [ 25.841205] ? netlink_attachskb+0x8a0/0x8a0 [ 25.841228] rtnl_stats_get+0x7bb/0xa10 [ 25.841250] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 25.841268] ? rtnl_get_link+0x124/0x2b0 [ 25.841277] ? rtnl_dump_all+0x460/0x460 [ 25.841286] ? lock_release+0xa40/0xa40 [ 25.841299] ? __lock_is_held+0xb6/0x140 [ 25.841319] rtnetlink_rcv_msg+0x57f/0xb10 [ 25.841329] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 25.841337] ? validate_linkmsg+0x8e0/0x8e0 [ 25.841350] ? __might_fault+0x110/0x1d0 [ 25.841361] ? netlink_tap_init_net+0x350/0x350 [ 25.841377] netlink_rcv_skb+0x224/0x470 [ 25.841384] ? validate_linkmsg+0x8e0/0x8e0 [ 25.841395] ? netlink_ack+0xa10/0xa10 [ 25.841408] ? netlink_skb_destructor+0x1d0/0x1d0 [ 25.841428] rtnetlink_rcv+0x1c/0x20 [ 25.841436] netlink_unicast+0x4c4/0x6b0 [ 25.841453] ? netlink_attachskb+0x8a0/0x8a0 [ 25.841470] ? security_netlink_send+0x81/0xb0 [ 25.841484] netlink_sendmsg+0xa4a/0xe60 [ 25.841503] ? netlink_unicast+0x6b0/0x6b0 [ 25.841517] ? security_socket_sendmsg+0x89/0xb0 [ 25.841525] ? netlink_unicast+0x6b0/0x6b0 [ 25.841537] sock_sendmsg+0xca/0x110 [ 25.841549] sock_write_iter+0x31a/0x5d0 [ 25.841561] ? sock_sendmsg+0x110/0x110 [ 25.841585] ? iov_iter_init+0xaf/0x1d0 [ 25.841601] __vfs_write+0x684/0x970 [ 25.841615] ? kernel_read+0x120/0x120 [ 25.841621] ? bpf_fd_pass+0x280/0x280 [ 25.841636] ? _cond_resched+0x14/0x30 [ 25.841650] ? selinux_file_permission+0x82/0x460 [ 25.841673] ? rw_verify_area+0xe5/0x2b0 [ 25.841679] ? __fdget_raw+0x20/0x20 [ 25.841692] vfs_write+0x189/0x510 [ 25.841708] SyS_write+0xef/0x220 [ 25.841721] ? SyS_read+0x220/0x220 [ 25.841727] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.841737] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.841755] entry_SYSCALL_64_fastpath+0x23/0x9a [ 25.841760] RIP: 0033:0x43ffc9 [ 25.841764] RSP: 002b:00007ffd03230d88 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 25.841771] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffc9 [ 25.841774] RDX: 0000000000000026 RSI: 0000000020fd3000 RDI: 0000000000000004 [ 25.841778] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 25.841782] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000401930 [ 25.841785] R13: 00000000004019c0 R14: 0000000000000000 R15: 0000000000000000 [ 25.863516] Dumping ftrace buffer: [ 25.863670] (ftrace buffer empty) [ 25.863673] Kernel Offset: disabled [ 26.318567] Rebooting in 86400 seconds..