[....] Starting enhanced syslogd: rsyslogd[ 12.039173] audit: type=1400 audit(1514947341.122:5): avc: denied { syslog } for pid=3336 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 file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting periodic command scheduler: cron[?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: [ 16.668538] audit: type=1400 audit(1514947345.751:6): avc: denied { map } for pid=3476 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. [ 35.613078] audit: type=1400 audit(1514947364.695:7): avc: denied { map } for pid=3494 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 2018/01/03 02:42:44 parsed 1 programs 2018/01/03 02:42:44 executed programs: 0 [ 35.735931] audit: type=1400 audit(1514947364.817:8): avc: denied { map } for pid=3494 comm="syz-execprog" path="/root/syzkaller-shm289162371" 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 [ 35.761636] audit: type=1400 audit(1514947364.842:9): avc: denied { sys_admin } for pid=3499 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 [ 35.953411] audit: type=1400 audit(1514947365.036:10): avc: denied { sys_chroot } for pid=3501 comm="syz-executor5" 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 [ 35.982629] WARNING: CPU: 1 PID: 3518 at net/rds/rdma.c:617 rds_cmsg_rdma_args+0xf8a/0x1380 [ 35.991137] Kernel panic - not syncing: panic_on_warn set ... [ 35.991137] [ 35.998473] CPU: 1 PID: 3518 Comm: syz-executor5 Not tainted 4.15.0-rc6+ #155 [ 36.005711] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 36.015032] Call Trace: [ 36.017592] dump_stack+0x194/0x257 [ 36.021195] ? arch_local_irq_restore+0x53/0x53 [ 36.025853] ? vsnprintf+0x1ed/0x1900 [ 36.029628] panic+0x1e4/0x41c [ 36.032791] ? refcount_error_report+0x214/0x214 [ 36.037515] ? show_regs_print_info+0x18/0x18 [ 36.041986] ? __warn+0x1c1/0x200 [ 36.045412] ? rds_cmsg_rdma_args+0xf8a/0x1380 [ 36.049960] __warn+0x1dc/0x200 [ 36.053228] ? rds_cmsg_rdma_args+0xf8a/0x1380 [ 36.057791] report_bug+0x211/0x2d0 [ 36.061393] fixup_bug.part.11+0x37/0x80 [ 36.065441] do_error_trap+0x2d7/0x3e0 [ 36.069301] ? math_error+0x400/0x400 [ 36.073070] ? __might_fault+0x110/0x1d0 [ 36.077107] ? lock_downgrade+0x980/0x980 [ 36.081239] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.086057] do_invalid_op+0x1b/0x20 [ 36.089742] invalid_op+0x22/0x40 [ 36.093165] RIP: 0010:rds_cmsg_rdma_args+0xf8a/0x1380 [ 36.098320] RSP: 0018:ffff8801c5b77420 EFLAGS: 00010293 [ 36.103653] RAX: ffff8801c5472080 RBX: ffff8801d5178a38 RCX: ffffffff85115f4a [ 36.110911] RDX: 0000000000000000 RSI: 00000000014080c0 RDI: ffff8801c5475ef0 [ 36.118149] RBP: ffff8801c5b775b0 R08: 0000000000000000 R09: 1ffff10038b6ee59 [ 36.125387] R10: ffff8801c5b77290 R11: 0000000000000000 R12: 0000000000000000 [ 36.132626] R13: ffff8801c67dfb40 R14: ffff8801d5178a00 R15: 1ffff10038b6ee98 [ 36.139876] ? rds_cmsg_rdma_args+0xf8a/0x1380 [ 36.144439] ? init_wait_entry+0x1b0/0x1b0 [ 36.148649] ? lockdep_init_map+0x9/0x10 [ 36.152686] ? rds_rdma_extra_size+0x2b0/0x2b0 [ 36.157236] ? rds_rdma_extra_size+0x205/0x2b0 [ 36.161794] ? rds_atomic_free_op+0x330/0x330 [ 36.166257] ? lock_sock_nested+0x91/0x110 [ 36.170470] rds_sendmsg+0x144d/0x1f90 [ 36.174328] ? rds_sendmsg+0x144d/0x1f90 [ 36.178373] ? rds_send_drop_to+0x19d0/0x19d0 [ 36.182842] ? lock_downgrade+0x980/0x980 [ 36.186988] ? sock_has_perm+0x2a4/0x420 [ 36.191019] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 36.196355] ? __might_sleep+0x95/0x190 [ 36.200307] ? kasan_check_write+0x14/0x20 [ 36.204515] ? _copy_from_user+0x99/0x110 [ 36.208636] ? selinux_socket_sendmsg+0x36/0x40 [ 36.213273] ? security_socket_sendmsg+0x89/0xb0 [ 36.217997] ? rds_send_drop_to+0x19d0/0x19d0 [ 36.222464] sock_sendmsg+0xca/0x110 [ 36.226150] ___sys_sendmsg+0x320/0x8b0 [ 36.230098] ? copy_msghdr_from_user+0x590/0x590 [ 36.234823] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.239814] ? exit_robust_list+0x240/0x240 [ 36.244102] ? finish_task_switch+0x1d3/0x740 [ 36.248588] ? __fget_light+0x297/0x380 [ 36.252531] ? fget_raw+0x20/0x20 [ 36.255956] ? __schedule+0x8f3/0x2060 [ 36.259825] ? __sched_text_start+0x8/0x8 [ 36.263952] ? __fdget+0x18/0x20 [ 36.267293] __sys_sendmmsg+0x31b/0x620 [ 36.271235] ? __sys_sendmmsg+0x31b/0x620 [ 36.275361] ? SyS_sendmsg+0x50/0x50 [ 36.279050] ? SYSC_bind+0x290/0x410 [ 36.282734] ? __schedule+0x2060/0x2060 [ 36.286676] ? move_addr_to_kernel.part.18+0x100/0x100 [ 36.291935] ? compat_SyS_futex+0x288/0x380 [ 36.296232] ? compat_SyS_get_robust_list+0x300/0x300 [ 36.301390] ? exit_to_usermode_loop+0x198/0x310 [ 36.306129] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 36.311640] compat_SyS_sendmmsg+0x32/0x40 [ 36.315844] ? compat_SyS_sendmsg+0x40/0x40 [ 36.320134] do_fast_syscall_32+0x3ee/0xf9d [ 36.324427] ? do_raw_spin_trylock+0x190/0x190 [ 36.328983] ? do_int80_syscall_32+0x9d0/0x9d0 [ 36.333541] ? syscall_return_slowpath+0x2ad/0x550 [ 36.338441] ? prepare_exit_to_usermode+0x340/0x340 [ 36.343429] ? sysret32_from_system_call+0x5/0x3b [ 36.348254] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 36.353072] entry_SYSENTER_compat+0x54/0x63 [ 36.357451] RIP: 0023:0xf7ff5c79 [ 36.360783] RSP: 002b:00000000f7ff108c EFLAGS: 00000296 ORIG_RAX: 0000000000000159 [ 36.368461] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 000000002099ffc4 [ 36.375698] RDX: 0000000000000001 RSI: 0000000000000000 RDI: 0000000000000000 [ 36.382937] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000000 [ 36.390174] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 36.397414] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 36.404809] Dumping ftrace buffer: [ 36.408384] (ftrace buffer empty) [ 36.412066] Kernel Offset: disabled [ 36.415664] Rebooting in 86400 seconds..