[....] Starting enhanced syslogd: rsyslogd[ 10.611899] audit: type=1400 audit(1515598414.231:5): avc: denied { syslog } for pid=3325 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 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: [ 15.686486] audit: type=1400 audit(1515598419.306:6): avc: denied { map } for pid=3465 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 '10.128.15.219' (ECDSA) to the list of known hosts. executing program [ 33.268937] audit: type=1400 audit(1515598436.888:7): avc: denied { map } for pid=3482 comm="syzkaller825502" path="/root/syzkaller825502155" 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 [ 33.294923] audit: type=1400 audit(1515598436.888:8): avc: denied { prog_load } for pid=3482 comm="syzkaller825502" 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 [ 33.317974] audit: type=1400 audit(1515598436.938:9): avc: denied { prog_run } for pid=3482 comm="syzkaller825502" 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 [ 33.318833] ------------[ cut here ]------------ [ 33.318843] unknown opcode cc [ 33.318899] WARNING: CPU: 0 PID: 3482 at kernel/bpf/core.c:1304 ___bpf_prog_run+0x4a40/0x60f0 [ 33.318903] Kernel panic - not syncing: panic_on_warn set ... [ 33.318903] [ 33.318908] CPU: 0 PID: 3482 Comm: syzkaller825502 Not tainted 4.15.0-rc6-mm1+ #52 [ 33.318910] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 33.318912] Call Trace: [ 33.318921] dump_stack+0x194/0x257 [ 33.318930] ? arch_local_irq_restore+0x53/0x53 [ 33.318939] ? vsnprintf+0x1ed/0x1900 [ 33.318950] panic+0x1e4/0x41c [ 33.318955] ? refcount_error_report+0x214/0x214 [ 33.318962] ? show_regs_print_info+0x18/0x18 [ 33.318974] ? __warn+0x1c1/0x200 [ 33.318981] ? ___bpf_prog_run+0x4a40/0x60f0 [ 33.318985] __warn+0x1dc/0x200 [ 33.318990] ? ___bpf_prog_run+0x4a40/0x60f0 [ 33.318998] report_bug+0x211/0x2d0 [ 33.319012] fixup_bug.part.11+0x37/0x80 [ 33.319017] do_error_trap+0x2d7/0x3e0 [ 33.319025] ? math_error+0x400/0x400 [ 33.319029] ? vprintk_emit+0x3ea/0x590 [ 33.319047] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 33.319056] do_invalid_op+0x1b/0x20 [ 33.319061] invalid_op+0x22/0x40 [ 33.319065] RIP: 0010:___bpf_prog_run+0x4a40/0x60f0 [ 33.319068] RSP: 0018:ffff8801c0af7280 EFLAGS: 00010286 [ 33.319072] RAX: dffffc0000000008 RBX: 1ffff1003815ee5c RCX: ffffffff815a13ee [ 33.319075] RDX: 0000000000000000 RSI: ffff8801c175cbe0 RDI: 0000000000000293 [ 33.319078] RBP: ffff8801c0af7388 R08: 1ffff1003815ede3 R09: 0000000000000000 [ 33.319080] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 33.319083] R13: ffffc90000002048 R14: 00000000000000cc R15: 0000000000000000 [ 33.319094] ? vprintk_func+0x5e/0xc0 [ 33.319105] ? netlink_lookup+0x5f7/0xa90 [ 33.319115] ? bpf_jit_compile+0x30/0x30 [ 33.319123] ? refcount_inc_not_zero+0xfe/0x180 [ 33.319132] ? check_noncircular+0x20/0x20 [ 33.319145] __bpf_prog_run32+0xce/0x130 [ 33.319151] ? __bpf_prog_run64+0x130/0x130 [ 33.319159] ? lock_release+0xa40/0xa40 [ 33.319167] ? __lock_is_held+0xb6/0x140 [ 33.319185] sk_filter_trim_cap+0x33c/0x9c0 [ 33.319195] ? sk_skb_is_valid_access+0x140/0x140 [ 33.319204] ? netlink_skb_destructor+0x1d0/0x1d0 [ 33.319212] ? rtnl_fill_vf+0x480/0x480 [ 33.319221] netlink_unicast+0x1b8/0x6b0 [ 33.319224] ? lock_release+0xa40/0xa40 [ 33.319234] ? netlink_attachskb+0x8a0/0x8a0 [ 33.319248] rtnl_stats_get+0x7bb/0xa10 [ 33.319261] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 33.319275] ? rtnl_get_link+0x124/0x2b0 [ 33.319282] ? rtnl_dump_all+0x460/0x460 [ 33.319287] ? lock_release+0xa40/0xa40 [ 33.319295] ? __lock_is_held+0xb6/0x140 [ 33.319308] rtnetlink_rcv_msg+0x57f/0xb10 [ 33.319315] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 33.319321] ? validate_linkmsg+0x8e0/0x8e0 [ 33.319330] ? __might_fault+0x110/0x1d0 [ 33.319337] ? netlink_tap_init_net+0x350/0x350 [ 33.319347] netlink_rcv_skb+0x224/0x470 [ 33.319352] ? validate_linkmsg+0x8e0/0x8e0 [ 33.319359] ? netlink_ack+0xa10/0xa10 [ 33.319367] ? netlink_skb_destructor+0x1d0/0x1d0 [ 33.319381] rtnetlink_rcv+0x1c/0x20 [ 33.319386] netlink_unicast+0x4c4/0x6b0 [ 33.319396] ? netlink_attachskb+0x8a0/0x8a0 [ 33.319410] ? security_netlink_send+0x81/0xb0 [ 33.319418] netlink_sendmsg+0xa4a/0xe60 [ 33.319430] ? netlink_unicast+0x6b0/0x6b0 [ 33.319439] ? security_socket_sendmsg+0x89/0xb0 [ 33.319444] ? netlink_unicast+0x6b0/0x6b0 [ 33.319452] sock_sendmsg+0xca/0x110 [ 33.319460] sock_write_iter+0x31a/0x5d0 [ 33.319467] ? sock_sendmsg+0x110/0x110 [ 33.319483] ? iov_iter_init+0xaf/0x1d0 [ 33.319492] __vfs_write+0x684/0x970 [ 33.319501] ? kernel_read+0x120/0x120 [ 33.319505] ? bpf_fd_pass+0x280/0x280 [ 33.319514] ? _cond_resched+0x14/0x30 [ 33.319523] ? selinux_file_permission+0x82/0x460 [ 33.319538] ? rw_verify_area+0xe5/0x2b0 [ 33.319542] ? __fdget_raw+0x20/0x20 [ 33.319550] vfs_write+0x189/0x510 [ 33.319560] SyS_write+0xef/0x220 [ 33.319568] ? SyS_read+0x220/0x220 [ 33.319572] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 33.319594] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 33.319605] entry_SYSCALL_64_fastpath+0x23/0x9a [ 33.319609] RIP: 0033:0x43ffc9 [ 33.319611] RSP: 002b:00007ffda2710178 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 33.319615] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffc9 [ 33.319618] RDX: 0000000000000026 RSI: 0000000020fd3000 RDI: 0000000000000004 [ 33.319620] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 33.319622] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000401930 [ 33.319624] R13: 00000000004019c0 R14: 0000000000000000 R15: 0000000000000000 [ 33.340380] Dumping ftrace buffer: [ 33.340467] (ftrace buffer empty) [ 33.340470] Kernel Offset: disabled [ 33.795568] Rebooting in 86400 seconds..