[?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. [ 17.501810] audit: type=1400 audit(1521980745.110:6): avc: denied { map } for pid=4210 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.0.59' (ECDSA) to the list of known hosts. syzkaller login: [ 23.792570] audit: type=1400 audit(1521980751.401:7): avc: denied { map } for pid=4224 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 2018/03/25 12:25:51 parsed 1 programs 2018/03/25 12:25:51 executed programs: 0 [ 24.061683] audit: type=1400 audit(1521980751.670:8): avc: denied { map } for pid=4224 comm="syz-execprog" path="/root/syzkaller-shm019862460" 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 [ 24.095082] IPVS: ftp: loaded support on port[0] = 21 [ 24.130131] WARNING: CPU: 1 PID: 4232 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 24.138761] Kernel panic - not syncing: panic_on_warn set ... [ 24.138761] [ 24.146107] CPU: 1 PID: 4232 Comm: syz-executor0 Not tainted 4.16.0-rc6+ #365 [ 24.153358] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.162684] Call Trace: [ 24.165250] dump_stack+0x194/0x24d [ 24.168856] ? arch_local_irq_restore+0x53/0x53 [ 24.173509] ? vsnprintf+0x1ed/0x1900 [ 24.177290] panic+0x1e4/0x41c [ 24.180467] ? refcount_error_report+0x214/0x214 [ 24.185197] ? show_regs_print_info+0x18/0x18 [ 24.189669] ? __destroy_inode+0x660/0x660 [ 24.193883] ? __warn+0x1c1/0x200 [ 24.197315] ? smc_unhash_sk+0x335/0x450 [ 24.201350] __warn+0x1dc/0x200 [ 24.204618] ? smc_unhash_sk+0x335/0x450 [ 24.208661] report_bug+0x1f4/0x2b0 [ 24.212274] fixup_bug.part.11+0x37/0x80 [ 24.216309] do_error_trap+0x2d7/0x3e0 [ 24.220173] ? math_error+0x400/0x400 [ 24.223949] ? reacquire_held_locks+0x1f9/0x3e0 [ 24.228595] ? lock_acquire+0x1d5/0x580 [ 24.232542] ? lock_acquire+0x1d5/0x580 [ 24.236494] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.241315] do_invalid_op+0x1b/0x20 [ 24.245007] invalid_op+0x1b/0x40 [ 24.248440] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 24.253080] RSP: 0018:ffff8801b0997198 EFLAGS: 00010293 [ 24.258416] RAX: ffff8801b332a340 RBX: 1ffff10036132e37 RCX: ffffffff85a44515 [ 24.265657] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10036132e3b [ 24.272902] RBP: ffff8801b0997280 R08: dffffc0000000000 R09: 0000000000000004 [ 24.280148] R10: ffff8801b0997050 R11: 0000000000000004 R12: ffff8801b0997258 [ 24.287417] R13: ffffffff87672540 R14: ffff8801b16c27c0 R15: 1ffff10036132e3b [ 24.294677] ? smc_unhash_sk+0x335/0x450 [ 24.298717] ? smc_unhash_sk+0x335/0x450 [ 24.302754] ? smc_hash_sk+0x2f0/0x2f0 [ 24.306616] ? release_sock+0x1d4/0x2a0 [ 24.310561] ? __local_bh_enable_ip+0x121/0x230 [ 24.315203] ? __release_sock+0x360/0x360 [ 24.319324] ? smc_release+0x23d/0x580 [ 24.323199] ? trace_hardirqs_on+0xd/0x10 [ 24.327320] ? __local_bh_enable_ip+0x121/0x230 [ 24.331976] smc_release+0x322/0x580 [ 24.335669] sock_release+0x8d/0x1e0 [ 24.339371] ? sock_alloc_file+0x560/0x560 [ 24.343579] sock_close+0x16/0x20 [ 24.347006] __fput+0x327/0x7e0 [ 24.350270] ? fput+0x140/0x140 [ 24.353535] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.358011] ____fput+0x15/0x20 [ 24.361272] task_work_run+0x199/0x270 [ 24.365134] ? task_work_cancel+0x210/0x210 [ 24.369429] ? _raw_spin_unlock+0x22/0x30 [ 24.373558] ? switch_task_namespaces+0x87/0xc0 [ 24.378205] do_exit+0x9bb/0x1ad0 [ 24.381637] ? mm_update_next_owner+0x930/0x930 [ 24.386291] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.391455] ? save_stack+0x43/0xd0 [ 24.395054] ? __kasan_slab_free+0x11a/0x170 [ 24.399433] ? kasan_slab_free+0xe/0x10 [ 24.403379] ? kfree+0xd9/0x260 [ 24.406632] ? do_sys_poll+0xc4e/0x1050 [ 24.410577] ? SyS_poll+0x10d/0x450 [ 24.414191] ? do_syscall_64+0x281/0x940 [ 24.418226] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.423565] ? _raw_spin_unlock_irqrestore+0xa6/0xc0 [ 24.428644] ? debug_check_no_obj_freed+0x3da/0xf1f [ 24.433637] ? smc_tcp_listen_work+0xe60/0xe60 [ 24.438213] ? free_obj_work+0x690/0x690 [ 24.442258] ? __fget_light+0x2b2/0x3c0 [ 24.446213] ? fget_raw+0x20/0x20 [ 24.449650] ? __check_object_size+0x8b/0x530 [ 24.454123] ? trace_hardirqs_off+0xd/0x10 [ 24.458333] ? trace_hardirqs_off+0x10/0x10 [ 24.462628] ? kfree+0xf3/0x260 [ 24.465879] ? do_sys_poll+0xc4e/0x1050 [ 24.469837] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.474828] ? memset+0x31/0x40 [ 24.478087] ? find_held_lock+0x35/0x1d0 [ 24.482131] ? get_signal+0x7a9/0x16d0 [ 24.485991] ? lock_downgrade+0x980/0x980 [ 24.490133] do_group_exit+0x149/0x400 [ 24.493995] ? do_raw_spin_trylock+0x190/0x190 [ 24.498556] ? SyS_exit+0x30/0x30 [ 24.501986] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.506458] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.511454] get_signal+0x73a/0x16d0 [ 24.515150] ? ptrace_notify+0x130/0x130 [ 24.519195] ? lock_release+0xa40/0xa40 [ 24.523158] ? __local_bh_enable_ip+0x121/0x230 [ 24.527805] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.532792] ? release_sock+0x1d4/0x2a0 [ 24.536740] ? trace_hardirqs_on+0xd/0x10 [ 24.540868] do_signal+0x90/0x1e90 [ 24.544385] ? release_sock+0x1d4/0x2a0 [ 24.548336] ? __release_sock+0x360/0x360 [ 24.552463] ? setup_sigcontext+0x7d0/0x7d0 [ 24.556755] ? kernel_connect+0x6a/0x90 [ 24.560706] ? smc_connect+0x1c2/0x240 [ 24.564567] ? SYSC_connect+0x2e0/0x4a0 [ 24.568515] ? SYSC_bind+0x410/0x410 [ 24.572215] ? exit_to_usermode_loop+0x8c/0x2f0 [ 24.576867] exit_to_usermode_loop+0x258/0x2f0 [ 24.581425] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 24.586946] ? do_syscall_64+0xb7/0x940 [ 24.590898] do_syscall_64+0x6ec/0x940 [ 24.594760] ? __do_page_fault+0xc90/0xc90 [ 24.598982] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.603721] ? syscall_return_slowpath+0x550/0x550 [ 24.608623] ? syscall_return_slowpath+0x2ac/0x550 [ 24.613525] ? prepare_exit_to_usermode+0x350/0x350 [ 24.618519] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 24.623873] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.628710] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 24.633874] RIP: 0033:0x454879 [ 24.637038] RSP: 002b:00007ffe8119d6a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 24.644717] RAX: 0000000000000001 RBX: 0000000002612914 RCX: 0000000000454879 [ 24.651959] RDX: 0000000000000000 RSI: 0000000000000269 RDI: 00000000200000c0 [ 24.659213] RBP: 000000000072bea0 R08: 0000000000000000 R09: 0000000000000000 [ 24.666456] R10: 0000000000000000 R11: 0000000000000246 R12: 00000000ffffffff [ 24.673698] R13: 0000000000000458 R14: 00000000006f78e0 R15: 0000000000000003 [ 24.681570] Dumping ftrace buffer: [ 24.685208] (ftrace buffer empty) [ 24.688904] Kernel Offset: disabled [ 24.692505] Rebooting in 86400 seconds..