[....] Starting enhanced syslogd: rsyslogd[ 12.822962] audit: type=1400 audit(1515600624.358:5): avc: denied { syslog } for pid=3353 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: [ 20.056801] audit: type=1400 audit(1515600631.592:6): avc: denied { map } for pid=3495 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 '10.128.15.208' (ECDSA) to the list of known hosts. executing program [ 26.262069] audit: type=1400 audit(1515600637.797:7): avc: denied { map } for pid=3509 comm="syzkaller223127" path="/root/syzkaller223127296" 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 [ 26.288090] audit: type=1400 audit(1515600637.802:8): avc: denied { prog_load } for pid=3509 comm="syzkaller223127" 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 [ 26.312120] ------------[ cut here ]------------ [ 26.312133] unknown opcode cc [ 26.312197] WARNING: CPU: 0 PID: 3509 at kernel/bpf/core.c:1304 ___bpf_prog_run+0x4a49/0x6100 [ 26.312202] Kernel panic - not syncing: panic_on_warn set ... [ 26.312202] [ 26.312208] CPU: 0 PID: 3509 Comm: syzkaller223127 Not tainted 4.15.0-rc7-next-20180110+ #93 [ 26.312211] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 26.312214] Call Trace: [ 26.312224] dump_stack+0x194/0x257 [ 26.312238] ? arch_local_irq_restore+0x53/0x53 [ 26.312255] ? vsnprintf+0x1ed/0x1900 [ 26.312272] panic+0x1e4/0x41c [ 26.312282] ? refcount_error_report+0x214/0x214 [ 26.312288] ? show_regs_print_info+0x18/0x18 [ 26.312306] ? __warn+0x1c1/0x200 [ 26.312318] ? ___bpf_prog_run+0x4a49/0x6100 [ 26.312325] __warn+0x1dc/0x200 [ 26.312333] ? ___bpf_prog_run+0x4a49/0x6100 [ 26.312343] report_bug+0x211/0x2d0 [ 26.312357] fixup_bug.part.11+0x37/0x80 [ 26.312365] do_error_trap+0x2d7/0x3e0 [ 26.312379] ? math_error+0x400/0x400 [ 26.312387] ? vprintk_emit+0x3ea/0x590 [ 26.312413] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 26.312429] do_invalid_op+0x1b/0x20 [ 26.312438] invalid_op+0x22/0x40 [ 26.312444] RIP: 0010:___bpf_prog_run+0x4a49/0x6100 [ 26.312448] RSP: 0018:ffff8801bf3ff280 EFLAGS: 00010286 [ 26.312455] RAX: dffffc0000000008 RBX: 1ffff10037e7fe5c RCX: ffffffff815a24ae [ 26.312459] RDX: 0000000000000000 RSI: ffff8801bf710de0 RDI: 0000000000000293 [ 26.312463] RBP: ffff8801bf3ff388 R08: 1ffff10037e7fde3 R09: 0000000000000000 [ 26.312466] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 26.312470] R13: ffffc90000002048 R14: 00000000000000cc R15: 0000000000000000 [ 26.312489] ? vprintk_func+0x5e/0xc0 [ 26.312507] ? netlink_lookup+0x5f7/0xa90 [ 26.312523] ? bpf_jit_compile+0x30/0x30 [ 26.312534] ? refcount_inc_not_zero+0xfe/0x180 [ 26.312555] ? check_noncircular+0x20/0x20 [ 26.312576] __bpf_prog_run32+0xce/0x130 [ 26.312585] ? __bpf_prog_run64+0x130/0x130 [ 26.312598] ? lock_release+0xa40/0xa40 [ 26.312611] ? __lock_is_held+0xb6/0x140 [ 26.312640] sk_filter_trim_cap+0x33c/0x9c0 [ 26.312656] ? sk_skb_is_valid_access+0x140/0x140 [ 26.312670] ? netlink_skb_destructor+0x1d0/0x1d0 [ 26.312684] ? rtnl_fill_vf+0x480/0x480 [ 26.312698] netlink_unicast+0x1b8/0x6b0 [ 26.312704] ? lock_release+0xa40/0xa40 [ 26.312719] ? netlink_attachskb+0x8a0/0x8a0 [ 26.312743] rtnl_stats_get+0x7bb/0xa10 [ 26.312764] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 26.312782] ? rtnl_get_link+0x124/0x2b0 [ 26.312791] ? rtnl_dump_all+0x460/0x460 [ 26.312800] ? lock_release+0xa40/0xa40 [ 26.312813] ? __lock_is_held+0xb6/0x140 [ 26.312833] rtnetlink_rcv_msg+0x57f/0xb10 [ 26.312843] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1cc0/0x1cc0 [ 26.312851] ? validate_linkmsg+0x8e0/0x8e0 [ 26.312864] ? __might_fault+0x110/0x1d0 [ 26.312875] ? netlink_tap_init_net+0x350/0x350 [ 26.312891] netlink_rcv_skb+0x224/0x470 [ 26.312899] ? validate_linkmsg+0x8e0/0x8e0 [ 26.312909] ? netlink_ack+0xa10/0xa10 [ 26.312922] ? netlink_skb_destructor+0x1d0/0x1d0 [ 26.312942] rtnetlink_rcv+0x1c/0x20 [ 26.312950] netlink_unicast+0x4c4/0x6b0 [ 26.312967] ? netlink_attachskb+0x8a0/0x8a0 [ 26.312984] ? security_netlink_send+0x81/0xb0 [ 26.312997] netlink_sendmsg+0xa4a/0xe60 [ 26.313020] ? netlink_unicast+0x6b0/0x6b0 [ 26.313035] ? security_socket_sendmsg+0x89/0xb0 [ 26.313043] ? netlink_unicast+0x6b0/0x6b0 [ 26.313055] sock_sendmsg+0xca/0x110 [ 26.313067] sock_write_iter+0x31a/0x5d0 [ 26.313079] ? sock_sendmsg+0x110/0x110 [ 26.313103] ? iov_iter_init+0xaf/0x1d0 [ 26.313118] __vfs_write+0x684/0x970 [ 26.313131] ? kernel_read+0x120/0x120 [ 26.313137] ? bpf_fd_pass+0x280/0x280 [ 26.313151] ? _cond_resched+0x14/0x30 [ 26.313166] ? selinux_file_permission+0x82/0x460 [ 26.313188] ? rw_verify_area+0xe5/0x2b0 [ 26.313195] ? __fdget_raw+0x20/0x20 [ 26.313207] vfs_write+0x189/0x510 [ 26.313222] SyS_write+0xef/0x220 [ 26.313234] ? SyS_read+0x220/0x220 [ 26.313240] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 26.313250] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 26.313268] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 26.313273] RIP: 0033:0x43ffc9 [ 26.313277] RSP: 002b:00007ffeda9c4c88 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 26.313284] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffc9 [ 26.313287] RDX: 0000000000000026 RSI: 0000000020fd3000 RDI: 0000000000000004 [ 26.313291] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 26.313295] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000401930 [ 26.313298] R13: 00000000004019c0 R14: 0000000000000000 R15: 0000000000000000 [ 26.317574] Dumping ftrace buffer: [ 26.317625] (ftrace buffer empty) [ 26.317628] Kernel Offset: disabled [ 26.768354] Rebooting in 86400 seconds..