[?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. [ 17.944109] audit: type=1400 audit(1521391405.954:6): avc: denied { map } for pid=4223 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 '10.128.0.60' (ECDSA) to the list of known hosts. syzkaller login: [ 24.528830] audit: type=1400 audit(1521391412.539:7): avc: denied { map } for pid=4237 comm="syzkaller155466" path="/root/syzkaller155466297" 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 [ 24.545048] IPVS: ftp: loaded support on port[0] = 21 executing program [ 24.584053] IPVS: ftp: loaded support on port[0] = 21 [ 24.591784] WARNING: CPU: 0 PID: 4255 at ./include/net/sock.h:638 smc_unhash_sk+0x335/0x450 [ 24.600371] Kernel panic - not syncing: panic_on_warn set ... [ 24.600371] [ 24.607727] CPU: 0 PID: 4255 Comm: syzkaller155466 Not tainted 4.16.0-rc5+ #357 [ 24.615158] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.618598] IPVS: ftp: loaded support on port[0] = 21 [ 24.624494] Call Trace: executing program [ 24.624511] dump_stack+0x194/0x24d [ 24.624525] ? arch_local_irq_restore+0x53/0x53 [ 24.640515] ? vsnprintf+0x1ed/0x1900 [ 24.644317] panic+0x1e4/0x41c [ 24.647502] ? refcount_error_report+0x214/0x214 [ 24.652245] ? show_regs_print_info+0x18/0x18 [ 24.656733] ? __destroy_inode+0x660/0x660 [ 24.660963] ? __warn+0x1c1/0x200 [ 24.664410] ? smc_unhash_sk+0x335/0x450 [ 24.666629] IPVS: ftp: loaded support on port[0] = 21 [ 24.668456] __warn+0x1dc/0x200 [ 24.668467] ? smc_unhash_sk+0x335/0x450 [ 24.668479] report_bug+0x1f4/0x2b0 [ 24.684548] fixup_bug.part.11+0x37/0x80 [ 24.688603] do_error_trap+0x2d7/0x3e0 [ 24.692478] ? math_error+0x400/0x400 [ 24.696252] ? reacquire_held_locks+0x1f9/0x3e0 [ 24.700901] ? lock_acquire+0x1d5/0x580 [ 24.704849] ? lock_acquire+0x1d5/0x580 [ 24.708805] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.713626] do_invalid_op+0x1b/0x20 [ 24.717315] invalid_op+0x1b/0x40 [ 24.720740] RIP: 0010:smc_unhash_sk+0x335/0x450 [ 24.725378] RSP: 0018:ffff8801b66af198 EFLAGS: 00010293 [ 24.730714] RAX: ffff8801b2ba0340 RBX: 1ffff10036cd5e37 RCX: ffffffff85a40075 [ 24.737956] RDX: 0000000000000000 RSI: dffffc0000000000 RDI: 1ffff10036cd5e3b [ 24.745199] RBP: ffff8801b66af280 R08: dffffc0000000000 R09: 0000000000000004 [ 24.752440] R10: ffff8801b66af050 R11: 0000000000000004 R12: ffff8801b66af258 [ 24.759680] R13: ffffffff87672280 R14: ffff8801b26977c0 R15: 1ffff10036cd5e3b [ 24.766934] ? smc_unhash_sk+0x335/0x450 [ 24.770975] ? smc_unhash_sk+0x335/0x450 [ 24.775017] ? smc_hash_sk+0x2f0/0x2f0 [ 24.778879] ? release_sock+0x1d4/0x2a0 [ 24.782830] ? __local_bh_enable_ip+0x121/0x230 [ 24.787472] ? __release_sock+0x360/0x360 [ 24.791591] ? smc_release+0x23d/0x580 [ 24.795451] ? trace_hardirqs_on+0xd/0x10 [ 24.799570] ? __local_bh_enable_ip+0x121/0x230 [ 24.804217] smc_release+0x322/0x580 [ 24.807912] sock_release+0x8d/0x1e0 [ 24.811602] ? sock_alloc_file+0x560/0x560 [ 24.815810] sock_close+0x16/0x20 [ 24.819241] __fput+0x327/0x7e0 [ 24.822499] ? fput+0x140/0x140 [ 24.825754] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.830227] ____fput+0x15/0x20 [ 24.833481] task_work_run+0x199/0x270 [ 24.837344] ? task_work_cancel+0x210/0x210 [ 24.841643] ? _raw_spin_unlock+0x22/0x30 [ 24.845767] ? switch_task_namespaces+0x87/0xc0 [ 24.850416] do_exit+0x9bb/0x1ad0 [ 24.853858] ? mm_update_next_owner+0x930/0x930 [ 24.858503] ? debug_check_no_locks_freed+0x3c0/0x3c0 [ 24.863664] ? __lock_acquire+0x664/0x3e00 [ 24.867869] ? __kasan_slab_free+0x11a/0x170 [ 24.872249] ? kasan_slab_free+0xe/0x10 [ 24.876193] ? kfree+0xd9/0x260 [ 24.879443] ? do_sys_poll+0xc4e/0x1050 [ 24.883389] ? SyS_poll+0x10d/0x450 [ 24.886991] ? trace_hardirqs_off+0x10/0x10 [ 24.891300] ? __lock_is_held+0xb6/0x140 [ 24.895352] ? __lock_is_held+0xb6/0x140 [ 24.899383] ? nohz_balance_exit_idle.part.95+0x70/0x70 [ 24.904739] ? switched_to_fair+0xa0/0xa0 [ 24.908860] ? trace_hardirqs_off+0x10/0x10 [ 24.913156] ? __enqueue_entity+0x109/0x1e0 [ 24.917448] ? do_sys_poll+0xc4e/0x1050 [ 24.921404] ? memset+0x31/0x40 [ 24.924661] ? find_held_lock+0x35/0x1d0 [ 24.928705] ? get_signal+0x7a9/0x16d0 [ 24.932569] ? lock_downgrade+0x980/0x980 [ 24.936697] do_group_exit+0x149/0x400 [ 24.940557] ? do_raw_spin_trylock+0x190/0x190 [ 24.945111] ? SyS_exit+0x30/0x30 [ 24.948539] ? _raw_spin_unlock_irq+0x27/0x70 [ 24.953014] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.958017] get_signal+0x73a/0x16d0 [ 24.961716] ? ptrace_notify+0x130/0x130 [ 24.965756] ? __schedule+0x903/0x1ec0 [ 24.969626] ? __sched_text_start+0x8/0x8 [ 24.973745] ? __local_bh_enable_ip+0x121/0x230 [ 24.978390] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.983379] ? release_sock+0x1d4/0x2a0 [ 24.987325] ? trace_hardirqs_on+0xd/0x10 [ 24.991450] do_signal+0x90/0x1e90 [ 24.994964] ? release_sock+0x1d4/0x2a0 [ 24.998920] ? setup_sigcontext+0x7d0/0x7d0 [ 25.003227] ? schedule+0xf5/0x430 [ 25.006741] ? SYSC_connect+0x2e0/0x4a0 [ 25.010689] ? __schedule+0x1ec0/0x1ec0 [ 25.014634] ? SYSC_bind+0x410/0x410 [ 25.018336] ? exit_to_usermode_loop+0x8c/0x2f0 [ 25.022984] exit_to_usermode_loop+0x258/0x2f0 [ 25.027542] ? trace_event_raw_event_sys_exit+0x260/0x260 [ 25.033055] ? do_syscall_64+0xb7/0x940 [ 25.037010] do_syscall_64+0x6ec/0x940 [ 25.040874] ? __do_page_fault+0xc90/0xc90 [ 25.045082] ? _raw_spin_unlock_irq+0x27/0x70 [ 25.049550] ? finish_task_switch+0x1c1/0x7e0 [ 25.054022] ? syscall_return_slowpath+0x550/0x550 [ 25.058928] ? syscall_return_slowpath+0x2ac/0x550 [ 25.063838] ? prepare_exit_to_usermode+0x350/0x350 [ 25.068834] ? entry_SYSCALL_64_after_hwframe+0x52/0xb7 [ 25.074175] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.079007] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 25.084174] RIP: 0033:0x446a49 [ 25.087335] RSP: 002b:00007fc5aafc5db8 EFLAGS: 00000246 ORIG_RAX: 0000000000000007 [ 25.095018] RAX: 0000000000000269 RBX: 00000000006e29e4 RCX: 0000000000446a49 [ 25.102261] RDX: 0000000000000000 RSI: 0000000000000269 RDI: 00000000200000c0 [ 25.109504] RBP: 00000000006e29e0 R08: 0000000000000000 R09: 0000000000000000 [ 25.116747] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000000000 [ 25.123989] R13: 00007ffedbfdeadf R14: 00007fc5aafc69c0 R15: 0000000000000003 [ 25.131890] Dumping ftrace buffer: [ 25.135502] (ftrace buffer empty) [ 25.139186] Kernel Offset: disabled [ 25.142786] Rebooting in 86400 seconds..