[....] Starting enhanced syslogd: rsyslogd[ 12.598762] audit: type=1400 audit(1517110798.220:5): avc: denied { syslog } for pid=3529 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 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 login: [ 16.747145] audit: type=1400 audit(1517110802.368:6): avc: denied { map } for pid=3671 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 '10.128.0.38' (ECDSA) to the list of known hosts. executing program [ 31.714809] audit: type=1400 audit(1517110817.336:7): avc: denied { map } for pid=3688 comm="syzkaller153061" path="/root/syzkaller153061612" 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 [ 31.741186] ------------[ cut here ]------------ [ 31.746050] name 'syz/õ' [ 31.748807] WARNING: CPU: 1 PID: 3688 at fs/proc/generic.c:163 __xlate_proc_name+0xe6/0x110 [ 31.757274] Kernel panic - not syncing: panic_on_warn set ... [ 31.757274] [ 31.765204] CPU: 1 PID: 3688 Comm: syzkaller153061 Not tainted 4.15.0-rc9+ #283 [ 31.772625] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 31.781948] Call Trace: [ 31.784525] dump_stack+0x194/0x257 [ 31.788127] ? arch_local_irq_restore+0x53/0x53 [ 31.792784] ? vsnprintf+0x1ed/0x1900 [ 31.796571] panic+0x1e4/0x41c [ 31.799735] ? refcount_error_report+0x214/0x214 [ 31.804472] ? show_regs_print_info+0x18/0x18 [ 31.808945] ? __warn+0x1c1/0x200 [ 31.812373] ? __xlate_proc_name+0xe6/0x110 [ 31.816664] __warn+0x1dc/0x200 [ 31.819927] ? console_unlock+0x983/0xd80 [ 31.824046] ? __xlate_proc_name+0xe6/0x110 [ 31.828349] report_bug+0x211/0x2d0 [ 31.831955] fixup_bug.part.11+0x37/0x80 [ 31.835988] do_error_trap+0x2d7/0x3e0 [ 31.839847] ? __down_trylock_console_sem+0x10d/0x1e0 [ 31.845020] ? math_error+0x400/0x400 [ 31.848791] ? vprintk_emit+0x3ea/0x590 [ 31.852749] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 31.857568] do_invalid_op+0x1b/0x20 [ 31.861253] invalid_op+0x22/0x40 [ 31.864677] RIP: 0010:__xlate_proc_name+0xe6/0x110 [ 31.869575] RSP: 0018:ffff8801d913ec18 EFLAGS: 00010282 [ 31.874926] RAX: dffffc0000000008 RBX: 0000000000000003 RCX: ffffffff8159ebae [ 31.882174] RDX: 0000000000000000 RSI: 1ffff1003b227d3e RDI: ffff8801d913e920 [ 31.889415] RBP: ffff8801d913ec48 R08: 1ffff1003b227d00 R09: 0000000000000000 [ 31.896669] R10: ffff8801d913eb10 R11: 0000000000000000 R12: ffff8801d92b4550 [ 31.903920] R13: 0000000000000000 R14: ffff8801d913ede0 R15: ffff8801d92b4550 [ 31.911184] ? vprintk_func+0x5e/0xc0 [ 31.914973] ? __xlate_proc_name+0xe6/0x110 [ 31.919280] __proc_create+0xcc/0x880 [ 31.923064] ? proc_register+0x370/0x370 [ 31.927108] ? __kmalloc_node+0x33/0x70 [ 31.931943] ? __kmalloc_node+0x33/0x70 [ 31.935894] ? rcu_read_lock_sched_held+0x108/0x120 [ 31.940882] ? kmem_cache_alloc_node_trace+0x370/0x750 [ 31.946132] ? map_id_range_down+0x182/0x400 [ 31.950527] ? __put_user_ns+0x60/0x60 [ 31.954395] proc_create_data+0x76/0x180 [ 31.958434] recent_mt_check.isra.8+0xb1b/0xe70 [ 31.963078] ? check_noncircular+0x20/0x20 [ 31.967298] ? recent_table_flush+0x130/0x130 [ 31.971771] ? lock_downgrade+0x980/0x980 [ 31.975899] ? find_held_lock+0x35/0x1d0 [ 31.979941] ? xt_find_match+0x150/0x1e0 [ 31.983978] ? lock_downgrade+0x980/0x980 [ 31.988101] recent_mt_check_v0+0xd7/0x150 [ 31.992310] ? recent_mt_check_v0+0xd7/0x150 [ 31.996698] ? recent_mt_check_v1+0x70/0x70 [ 32.001015] ? trace_hardirqs_off+0xd/0x10 [ 32.005226] ? module_unload_free+0x5b0/0x5b0 [ 32.009695] ? recent_mt_check_v1+0x70/0x70 [ 32.013991] xt_check_match+0x231/0x7d0 [ 32.017940] ? xt_check_target+0x7d0/0x7d0 [ 32.022147] ? save_stack+0xa3/0xd0 [ 32.025749] ? kasan_slab_free+0x71/0xc0 [ 32.029780] ? kfree+0xd6/0x260 [ 32.033051] ? kvfree+0x36/0x60 [ 32.036303] ? translate_table+0xdd2/0x1610 [ 32.040667] ? mutex_unlock+0xd/0x10 [ 32.044351] ? xt_find_match+0x17b/0x1e0 [ 32.048402] find_check_entry.isra.8+0x3fc/0xcb0 [ 32.053151] ? ipt_do_table+0x1860/0x1860 [ 32.057275] ? mark_held_locks+0xaf/0x100 [ 32.061397] ? kfree+0xf0/0x260 [ 32.064652] ? trace_hardirqs_on+0xd/0x10 [ 32.068777] translate_table+0xed1/0x1610 [ 32.072916] ? alloc_counters.isra.11+0x7d0/0x7d0 [ 32.077733] ? kasan_check_write+0x14/0x20 [ 32.081944] ? _copy_from_user+0x99/0x110 [ 32.086069] do_ipt_set_ctl+0x370/0x5f0 [ 32.090019] ? translate_compat_table+0x1b90/0x1b90 [ 32.095017] ? mutex_unlock+0xd/0x10 [ 32.098706] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 32.103958] nf_setsockopt+0x67/0xc0 [ 32.107650] ip_setsockopt+0xa1/0xb0 [ 32.111343] sctp_setsockopt+0x2a0/0x5de0 [ 32.115466] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 32.121153] ? check_noncircular+0x20/0x20 [ 32.125369] ? lru_cache_add+0x1c7/0x3a0 [ 32.129413] ? get_mem_cgroup_from_mm+0x710/0x710 [ 32.134231] ? lru_cache_add_file+0x20/0x20 [ 32.138527] ? __mem_cgroup_threshold+0x8f0/0x8f0 [ 32.143346] ? mark_held_locks+0xaf/0x100 [ 32.147475] ? find_held_lock+0x35/0x1d0 [ 32.151510] ? check_noncircular+0x20/0x20 [ 32.155721] ? __handle_mm_fault+0x2747/0x3ce0 [ 32.160276] ? lock_downgrade+0x980/0x980 [ 32.164398] ? lock_release+0xa40/0xa40 [ 32.168353] ? find_held_lock+0x35/0x1d0 [ 32.172507] ? avc_has_perm+0x35e/0x680 [ 32.176463] ? lock_downgrade+0x980/0x980 [ 32.180588] ? lock_release+0xa40/0xa40 [ 32.184533] ? check_noncircular+0x20/0x20 [ 32.188741] ? __pmd_alloc+0x4e0/0x4e0 [ 32.192606] ? find_held_lock+0x35/0x1d0 [ 32.196652] ? avc_has_perm+0x43e/0x680 [ 32.200603] ? avc_has_perm_noaudit+0x520/0x520 [ 32.205252] ? __do_page_fault+0x5f7/0xc90 [ 32.209471] ? lock_downgrade+0x980/0x980 [ 32.213600] ? handle_mm_fault+0x410/0x8d0 [ 32.217813] ? down_read_trylock+0xdb/0x170 [ 32.222113] ? __do_page_fault+0x32d/0xc90 [ 32.226322] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 32.230878] ? vmacache_find+0x5f/0x280 [ 32.234835] ? sock_has_perm+0x2a4/0x420 [ 32.238871] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 32.244216] ? __do_page_fault+0x3d6/0xc90 [ 32.248430] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 32.254123] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 32.259395] sock_common_setsockopt+0x95/0xd0 [ 32.263867] SyS_setsockopt+0x189/0x360 [ 32.267817] ? SyS_recv+0x40/0x40 [ 32.271247] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 32.276065] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 32.281055] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 32.285792] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 32.290527] RIP: 0033:0x440a79 [ 32.293690] RSP: 002b:00007ffe560a93e8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 32.301370] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440a79 [ 32.308698] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 32.315940] RBP: 00000000006cb018 R08: 00000000000003b8 R09: 0000000000000000 [ 32.323183] R10: 0000000020012000 R11: 0000000000000203 R12: 00000000004023a0 [ 32.330426] R13: 0000000000402430 R14: 0000000000000000 R15: 0000000000000000 [ 32.338172] Dumping ftrace buffer: [ 32.341760] (ftrace buffer empty) [ 32.345447] Kernel Offset: disabled [ 32.349050] Rebooting in 86400 seconds..