[?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[ 12.928395] audit: type=1400 audit(1514626804.360:6): avc: denied { map } for pid=3179 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 '10.128.15.225' (ECDSA) to the list of known hosts. executing program login: [ 31.442774] audit: type=1400 audit(1514626822.874:7): avc: denied { map } for pid=3197 comm="syzkaller158030" path="/root/syzkaller158030852" 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 [ 31.470630] device lo entered promiscuous mode [ 31.477449] WARNING: CPU: 0 PID: 3198 at net/core/stream.c:206 sk_stream_kill_queues+0x3c5/0x520 [ 31.486373] Kernel panic - not syncing: panic_on_warn set ... [ 31.486373] [ 31.493706] CPU: 0 PID: 3198 Comm: syzkaller158030 Not tainted 4.15.0-rc5+ #151 [ 31.501127] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.510451] Call Trace: [ 31.513017] dump_stack+0x194/0x257 [ 31.516616] ? arch_local_irq_restore+0x53/0x53 [ 31.521256] ? vsnprintf+0x1ed/0x1900 [ 31.525025] panic+0x1e4/0x41c [ 31.528189] ? refcount_error_report+0x214/0x214 [ 31.533001] ? show_regs_print_info+0x18/0x18 [ 31.537474] ? __warn+0x1c1/0x200 [ 31.540897] ? sk_stream_kill_queues+0x3c5/0x520 [ 31.545617] __warn+0x1dc/0x200 [ 31.548863] ? sk_stream_kill_queues+0x3c5/0x520 [ 31.553590] report_bug+0x211/0x2d0 [ 31.557191] fixup_bug.part.11+0x37/0x80 [ 31.561219] do_error_trap+0x2d7/0x3e0 [ 31.565073] ? kfree_skbmem+0xe2/0x1d0 [ 31.568930] ? math_error+0x400/0x400 [ 31.572702] ? sock_rfree+0x103/0x160 [ 31.576471] ? sk_clear_memalloc+0x140/0x140 [ 31.581027] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.585844] do_invalid_op+0x1b/0x20 [ 31.589526] invalid_op+0x22/0x40 [ 31.592945] RIP: 0010:sk_stream_kill_queues+0x3c5/0x520 [ 31.598271] RSP: 0018:ffff8801c6c7f0a8 EFLAGS: 00010293 [ 31.603600] RAX: ffff8801c7392600 RBX: ffff8801cb832040 RCX: ffffffff8424b785 [ 31.610838] RDX: 0000000000000000 RSI: ffffffff861407e0 RDI: ffff8801cb832278 [ 31.618076] RBP: ffff8801c6c7f0e8 R08: 1ffff10038d8fda4 R09: 0000000000000000 [ 31.625324] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000b00 [ 31.632560] R13: ffff8801cb832230 R14: ffffffff88055000 R15: ffff8801cb832178 [ 31.639818] ? sk_stream_kill_queues+0x3c5/0x520 [ 31.644545] ? sk_stream_kill_queues+0x3c5/0x520 [ 31.649273] inet_csk_destroy_sock+0x175/0x3f0 [ 31.653823] tcp_done+0x1e9/0x240 [ 31.657248] tcp_time_wait+0x613/0xa60 [ 31.661107] tcp_rcv_state_process+0x34b0/0x4830 [ 31.665828] ? __skb_clone+0x294/0xa60 [ 31.670121] ? tcp_finish_connect+0x410/0x410 [ 31.674582] ? find_held_lock+0x35/0x1d0 [ 31.678613] ? skb_clone+0x20d/0x480 [ 31.682292] ? __release_sock+0xca/0x360 [ 31.686319] ? skb_split+0x1310/0x1310 [ 31.690170] ? __lock_is_held+0xb6/0x140 [ 31.694201] ? mark_held_locks+0xaf/0x100 [ 31.698319] tcp_v6_do_rcv+0x739/0x11c0 [ 31.702256] ? tcp_v6_do_rcv+0x739/0x11c0 [ 31.706366] ? trace_hardirqs_on+0xd/0x10 [ 31.710483] __release_sock+0x124/0x360 [ 31.714431] release_sock+0xa4/0x2a0 [ 31.718115] ? __local_bh_enable_ip+0x121/0x230 [ 31.722751] ? __release_sock+0x360/0x360 [ 31.726865] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.731847] ? tcp_close+0x574/0xfc0 [ 31.735525] ? trace_hardirqs_on+0xd/0x10 [ 31.739636] ? __local_bh_enable_ip+0x121/0x230 [ 31.744276] tcp_close+0x57c/0xfc0 [ 31.747782] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.752770] tls_sk_proto_close+0x4f8/0x800 [ 31.757062] ? tcp_check_oom+0x500/0x500 [ 31.761091] ? tls_write_space+0x2c0/0x2c0 [ 31.765295] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.771152] ? ipv6_sock_ac_close+0x2e8/0x3e0 [ 31.775622] ? ipv6_sock_mc_close+0x148/0x1a0 [ 31.780085] ? ip_mc_drop_socket+0x1ce/0x230 [ 31.784469] inet_release+0xed/0x1c0 [ 31.788155] inet6_release+0x50/0x70 [ 31.791837] sock_release+0x8d/0x1e0 [ 31.795517] ? sock_alloc_file+0x560/0x560 [ 31.799724] sock_close+0x16/0x20 [ 31.803150] __fput+0x327/0x7e0 [ 31.806409] ? fput+0x140/0x140 [ 31.809657] ? trace_event_raw_event_sched_switch+0x800/0x800 [ 31.815506] ? _raw_spin_unlock_irq+0x27/0x70 [ 31.819977] ____fput+0x15/0x20 [ 31.823223] task_work_run+0x199/0x270 [ 31.827078] ? task_work_cancel+0x210/0x210 [ 31.831366] ? _raw_spin_unlock+0x22/0x30 [ 31.835480] ? switch_task_namespaces+0x87/0xc0 [ 31.840122] do_exit+0x9bb/0x1ad0 [ 31.843540] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 31.848523] ? _raw_spin_lock_irqsave_nested+0xc1/0xd0 [ 31.853764] ? mm_update_next_owner+0x930/0x930 [ 31.858394] ? finish_task_switch+0x1aa/0x740 [ 31.862858] ? copy_overflow+0x20/0x20 [ 31.866719] ? __schedule+0x8f3/0x2060 [ 31.870579] ? __sched_text_start+0x8/0x8 [ 31.874691] ? inet_ioctl+0x11e/0x1c0 [ 31.878460] ? sock_do_ioctl+0x73/0xb0 [ 31.882317] ? compat_sock_ioctl+0x172/0x29f0 [ 31.886786] ? sock_unregister+0x140/0x140 [ 31.890994] ? __fd_install+0x288/0x740 [ 31.894941] ? __might_sleep+0x95/0x190 [ 31.898886] ? schedule+0xf5/0x430 [ 31.902392] ? __schedule+0x2060/0x2060 [ 31.906337] ? selinux_capable+0x40/0x40 [ 31.910364] ? __alloc_fd+0x750/0x750 [ 31.914138] ? exit_to_usermode_loop+0x8c/0x310 [ 31.918776] do_group_exit+0x149/0x400 [ 31.922629] ? trace_hardirqs_off+0xd/0x10 [ 31.926827] ? exit_to_usermode_loop+0x198/0x310 [ 31.931548] ? SyS_exit+0x30/0x30 [ 31.934979] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 31.940483] ? do_fast_syscall_32+0x156/0xf9d [ 31.944944] ? do_group_exit+0x400/0x400 [ 31.948971] SyS_exit_group+0x1d/0x20 [ 31.952737] do_fast_syscall_32+0x3ee/0xf9d [ 31.957032] ? do_int80_syscall_32+0x9d0/0x9d0 [ 31.961583] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 31.966310] ? syscall_return_slowpath+0x2ad/0x550 [ 31.971206] ? prepare_exit_to_usermode+0x340/0x340 [ 31.976194] ? sysret32_from_system_call+0x5/0x3b [ 31.981011] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.985830] entry_SYSENTER_compat+0x54/0x63 [ 31.990207] RIP: 0023:0xf7f7bc79 [ 31.993537] RSP: 002b:00000000fff6d10c EFLAGS: 00000282 ORIG_RAX: 00000000000000fc [ 32.001210] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000fff6d178 [ 32.008450] RDX: 0000000008048b92 RSI: 0000000000000036 RDI: 0000000000000004 [ 32.015690] RBP: 0000000000008914 R08: 0000000000000000 R09: 0000000000000000 [ 32.022924] R10: 0000000000000000 R11: 0000000000000000 R12: 0000000000000000 [ 32.030173] R13: 0000000000000000 R14: 0000000000000000 R15: 0000000000000000 [ 32.037930] Dumping ftrace buffer: [ 32.041468] (ftrace buffer empty) [ 32.045145] Kernel Offset: disabled [ 32.048743] Rebooting in 86400 seconds..