[....] Starting enhanced syslogd: rsyslogd[ 9.774246] audit: type=1400 audit(1514947775.110:5): avc: denied { syslog } for pid=3307 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 15.193451] audit: type=1400 audit(1514947780.529:6): avc: denied { map } for pid=3445 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 '10.128.0.34' (ECDSA) to the list of known hosts. executing program [ 35.685457] audit: type=1400 audit(1514947801.021:7): avc: denied { map } for pid=3463 comm="syzkaller775396" path="/root/syzkaller775396103" 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 [ 35.714636] WARNING: CPU: 0 PID: 3463 at net/rds/rdma.c:617 rds_cmsg_rdma_args+0xe96/0x1360 [ 35.723154] Kernel panic - not syncing: panic_on_warn set ... [ 35.723154] [ 35.730494] CPU: 0 PID: 3463 Comm: syzkaller775396 Not tainted 4.15.0-rc6-next-20180102+ #86 [ 35.739039] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 35.748364] Call Trace: [ 35.750941] dump_stack+0x137/0x198 [ 35.754543] panic+0x1e4/0x41c [ 35.757708] ? refcount_error_report+0x214/0x214 [ 35.762435] ? show_regs_print_info+0x18/0x18 [ 35.766905] ? __probe_kernel_read+0x16b/0x1c0 [ 35.771457] ? __warn+0x1c1/0x200 [ 35.774895] ? rds_cmsg_rdma_args+0xe96/0x1360 [ 35.779446] __warn+0x1dc/0x200 [ 35.782695] ? rds_cmsg_rdma_args+0xe96/0x1360 [ 35.787246] report_bug+0x211/0x2d0 [ 35.790855] fixup_bug.part.11+0x37/0x80 [ 35.794899] do_error_trap+0x249/0x290 [ 35.798766] ? math_error+0x310/0x310 [ 35.802543] ? find_held_lock+0x35/0x1e0 [ 35.806582] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 35.811397] do_invalid_op+0x1b/0x20 [ 35.815080] invalid_op+0x22/0x40 [ 35.818503] RIP: 0010:rds_cmsg_rdma_args+0xe96/0x1360 [ 35.823658] RSP: 0018:ffff8801c08d7700 EFLAGS: 00010293 [ 35.828990] RAX: ffff8801c132c440 RBX: ffff8801c2242938 RCX: ffffffff84861976 [ 35.836230] RDX: 0000000000000000 RSI: 00000000014080c0 RDI: ffff8801c0c8bef0 [ 35.843469] RBP: ffff8801c08d7890 R08: 0000000000000000 R09: 0000000000000000 [ 35.850718] R10: ffff8801c08d7618 R11: 0000000000000001 R12: 0000000000000000 [ 35.857957] R13: ffff8801c2242900 R14: ffff8801c0cbbb00 R15: 1ffff1003811aef4 [ 35.865203] ? rds_cmsg_rdma_args+0xe96/0x1360 [ 35.869759] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.874753] ? trace_hardirqs_on+0xd/0x10 [ 35.878874] ? __rds_conn_create+0x3c0/0x1800 [ 35.883363] ? rds_rdma_extra_size+0x230/0x230 [ 35.887916] ? rds_conn_message_info_send+0x30/0x30 [ 35.892910] ? __lockdep_init_map+0xe4/0x650 [ 35.897296] rds_sendmsg+0x1264/0x1e80 [ 35.901147] ? rds_sendmsg+0x1264/0x1e80 [ 35.905183] ? rds_send_drop_to+0x13b0/0x13b0 [ 35.909649] ? lock_downgrade+0x860/0x860 [ 35.913766] ? __might_fault+0xe0/0x1d0 [ 35.917713] ? selinux_socket_sendmsg+0x36/0x40 [ 35.922350] ? security_socket_sendmsg+0x89/0xb0 [ 35.927077] ? rds_send_drop_to+0x13b0/0x13b0 [ 35.931542] sock_sendmsg+0xca/0x110 [ 35.935225] ___sys_sendmsg+0x2f4/0x8c0 [ 35.939176] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 35.944162] ? copy_msghdr_from_user+0x3f0/0x3f0 [ 35.948892] ? do_huge_pmd_anonymous_page+0x971/0x1650 [ 35.954135] ? lock_downgrade+0x860/0x860 [ 35.958253] ? lru_cache_add+0xd9/0x1e0 [ 35.962199] ? _raw_spin_unlock+0x22/0x30 [ 35.966313] ? do_huge_pmd_anonymous_page+0x9de/0x1650 [ 35.971562] ? __thp_get_unmapped_area+0x130/0x130 [ 35.976462] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.981622] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 35.986782] ? __fget_light+0x158/0x1e0 [ 35.990731] __sys_sendmmsg+0x159/0x3c0 [ 35.994672] ? __sys_sendmmsg+0x159/0x3c0 [ 35.998793] ? SyS_sendmsg+0x50/0x50 [ 36.002484] ? __do_page_fault+0x5cc/0xca0 [ 36.006686] ? lock_downgrade+0x860/0x860 [ 36.010815] ? up_read+0x1a/0x40 [ 36.014151] ? __do_page_fault+0x3c3/0xca0 [ 36.018356] ? mm_fault_error+0x2c0/0x2c0 [ 36.022474] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 36.027462] SyS_sendmmsg+0x35/0x60 [ 36.031060] entry_SYSCALL_64_fastpath+0x23/0x9a [ 36.035786] RIP: 0033:0x43fe49 [ 36.038945] RSP: 002b:00007fffd9576df8 EFLAGS: 00000217 ORIG_RAX: 0000000000000133 [ 36.046622] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 000000000043fe49 [ 36.053864] RDX: 0000000000000001 RSI: 000000002099ffc4 RDI: 0000000000000003 [ 36.061113] RBP: 00000000006ca018 R08: 0000000000000000 R09: 0000000000000000 [ 36.068349] R10: 0000000000000000 R11: 0000000000000217 R12: 00000000004017b0 [ 36.075588] R13: 0000000000401840 R14: 0000000000000000 R15: 0000000000000000 [ 36.083031] Dumping ftrace buffer: [ 36.086607] (ftrace buffer empty) [ 36.090288] Kernel Offset: disabled [ 36.093889] Rebooting in 86400 seconds..