[....] Starting enhanced syslogd: rsyslogd[ 12.250093] audit: type=1400 audit(1515598427.345:5): avc: denied { syslog } for pid=3351 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: [ 18.909900] audit: type=1400 audit(1515598434.005:6): avc: denied { map } for pid=3491 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 '10.128.15.210' (ECDSA) to the list of known hosts. executing program [ 40.803749] audit: type=1400 audit(1515598455.899:7): avc: denied { map } for pid=3508 comm="syzkaller119692" path="/root/syzkaller119692080" 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 [ 40.829720] audit: type=1400 audit(1515598455.905:8): avc: denied { prog_load } for pid=3508 comm="syzkaller119692" 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 [ 40.852781] audit: type=1400 audit(1515598455.948:9): avc: denied { prog_run } for pid=3508 comm="syzkaller119692" 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 [ 40.853564] ------------[ cut here ]------------ [ 40.853573] unknown opcode cc [ 40.853621] WARNING: CPU: 0 PID: 3508 at kernel/bpf/core.c:1283 ___bpf_prog_run+0x492a/0x5eb0 [ 40.853625] Kernel panic - not syncing: panic_on_warn set ... [ 40.853625] [ 40.853630] CPU: 0 PID: 3508 Comm: syzkaller119692 Not tainted 4.15.0-rc7+ #256 [ 40.853633] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 40.853635] Call Trace: [ 40.853643] dump_stack+0x194/0x257 [ 40.853651] ? arch_local_irq_restore+0x53/0x53 [ 40.853663] ? vsnprintf+0x1ed/0x1900 [ 40.853673] panic+0x1e4/0x41c [ 40.853678] ? refcount_error_report+0x214/0x214 [ 40.853684] ? show_regs_print_info+0x18/0x18 [ 40.853696] ? __warn+0x1c1/0x200 [ 40.853705] ? ___bpf_prog_run+0x492a/0x5eb0 [ 40.853709] __warn+0x1dc/0x200 [ 40.853714] ? ___bpf_prog_run+0x492a/0x5eb0 [ 40.853722] report_bug+0x211/0x2d0 [ 40.853734] fixup_bug.part.11+0x37/0x80 [ 40.853740] do_error_trap+0x2d7/0x3e0 [ 40.853745] ? __down_trylock_console_sem+0x10d/0x1e0 [ 40.853758] ? math_error+0x400/0x400 [ 40.853763] ? vprintk_emit+0x3ea/0x590 [ 40.853780] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 40.853790] do_invalid_op+0x1b/0x20 [ 40.853797] invalid_op+0x22/0x40 [ 40.853802] RIP: 0010:___bpf_prog_run+0x492a/0x5eb0 [ 40.853804] RSP: 0018:ffff8801bfdeefe8 EFLAGS: 00010282 [ 40.853809] RAX: dffffc0000000008 RBX: 1ffff10037fbde08 RCX: ffffffff8159da9e [ 40.853811] RDX: 0000000000000000 RSI: ffff8801c9d08de0 RDI: 0000000000000293 [ 40.853814] RBP: ffff8801bfdef0e8 R08: 1ffff10037fbdd90 R09: 0000000000000000 [ 40.853817] R10: 0000000000000000 R11: 0000000000000000 R12: dffffc0000000000 [ 40.853820] R13: ffffc90000002048 R14: 00000000000000cc R15: 0000000000000000 [ 40.853832] ? vprintk_func+0x5e/0xc0 [ 40.853843] ? ___bpf_prog_run+0x492a/0x5eb0 [ 40.853853] ? bpf_jit_compile+0x30/0x30 [ 40.853863] ? refcount_inc_not_zero+0xfe/0x180 [ 40.853872] ? check_noncircular+0x20/0x20 [ 40.853885] __bpf_prog_run32+0xce/0x130 [ 40.853892] ? __bpf_prog_run64+0x130/0x130 [ 40.853900] ? lock_release+0xa40/0xa40 [ 40.853908] ? __lock_is_held+0xb6/0x140 [ 40.853926] sk_filter_trim_cap+0x33c/0x9c0 [ 40.853936] ? sk_skb_is_valid_access+0x140/0x140 [ 40.853946] ? netlink_skb_destructor+0x1d0/0x1d0 [ 40.853956] ? rtnl_fill_vf+0x480/0x480 [ 40.853965] netlink_unicast+0x1b9/0x700 [ 40.853969] ? lock_release+0xa40/0xa40 [ 40.853978] ? netlink_attachskb+0x8a0/0x8a0 [ 40.853993] rtnl_stats_get+0x7bb/0xa10 [ 40.854011] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 40.854017] ? rtnetlink_rcv_msg+0x625/0x1020 [ 40.854023] ? lock_downgrade+0x980/0x980 [ 40.854031] ? lock_release+0xa40/0xa40 [ 40.854041] ? __lock_is_held+0xb6/0x140 [ 40.854053] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 40.854060] rtnetlink_rcv_msg+0x733/0x1020 [ 40.854071] ? validate_linkmsg+0x8e0/0x8e0 [ 40.854079] ? check_noncircular+0x20/0x20 [ 40.854089] ? find_held_lock+0x35/0x1d0 [ 40.854101] ? netlink_lookup+0x5f7/0xa90 [ 40.854107] ? lock_downgrade+0x980/0x980 [ 40.854115] ? find_held_lock+0x35/0x1d0 [ 40.854127] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 40.854130] ? netlink_deliver_tap+0x148/0xcf0 [ 40.854136] ? lock_downgrade+0x980/0x980 [ 40.854144] ? lock_release+0xa40/0xa40 [ 40.854149] ? netlink_lookup+0x620/0xa90 [ 40.854160] ? rtnl_fill_statsinfo.isra.22.constprop.29+0x1ca0/0x1ca0 [ 40.854172] ? netlink_deliver_tap+0x171/0xcf0 [ 40.854181] ? sock_has_perm+0x2a4/0x420 [ 40.854189] netlink_rcv_skb+0x224/0x470 [ 40.854195] ? validate_linkmsg+0x8e0/0x8e0 [ 40.854201] ? netlink_ack+0xa10/0xa10 [ 40.854209] ? netlink_skb_destructor+0x1d0/0x1d0 [ 40.854222] rtnetlink_rcv+0x1c/0x20 [ 40.854227] netlink_unicast+0x4ee/0x700 [ 40.854237] ? netlink_attachskb+0x8a0/0x8a0 [ 40.854247] ? security_netlink_send+0x81/0xb0 [ 40.854255] netlink_sendmsg+0xa4a/0xe60 [ 40.854266] ? netlink_unicast+0x700/0x700 [ 40.854275] ? security_socket_sendmsg+0x89/0xb0 [ 40.854280] ? netlink_unicast+0x700/0x700 [ 40.854287] sock_sendmsg+0xca/0x110 [ 40.854294] sock_write_iter+0x31a/0x5d0 [ 40.854301] ? sock_sendmsg+0x110/0x110 [ 40.854316] ? iov_iter_init+0xaf/0x1d0 [ 40.854326] __vfs_write+0x684/0x970 [ 40.854335] ? kernel_read+0x120/0x120 [ 40.854339] ? bpf_fd_pass+0x280/0x280 [ 40.854347] ? _cond_resched+0x14/0x30 [ 40.854357] ? selinux_file_permission+0x82/0x460 [ 40.854371] ? rw_verify_area+0xe5/0x2b0 [ 40.854376] ? __fdget_raw+0x20/0x20 [ 40.854384] vfs_write+0x189/0x510 [ 40.854394] SyS_write+0xef/0x220 [ 40.854402] ? SyS_read+0x220/0x220 [ 40.854406] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 40.854412] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 40.854424] entry_SYSCALL_64_fastpath+0x23/0x9a [ 40.854428] RIP: 0033:0x43ffc9 [ 40.854430] RSP: 002b:00007fff8693ea68 EFLAGS: 00000217 ORIG_RAX: 0000000000000001 [ 40.854434] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 000000000043ffc9 [ 40.854437] RDX: 0000000000000026 RSI: 0000000020fd3000 RDI: 0000000000000004 [ 40.854439] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 40.854441] R10: 0000000000000004 R11: 0000000000000217 R12: 0000000000401930 [ 40.854444] R13: 00000000004019c0 R14: 0000000000000000 R15: 0000000000000000 [ 40.875190] Dumping ftrace buffer: [ 40.875286] (ftrace buffer empty) [ 40.875289] Kernel Offset: disabled [ 41.386604] Rebooting in 86400 seconds..