[....] Starting enhanced syslogd: rsyslogd[ 13.444806] audit: type=1400 audit(1517132820.628:5): avc: denied { syslog } for pid=3531 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 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: [ 19.423108] audit: type=1400 audit(1517132826.606:6): 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 '10.128.15.224' (ECDSA) to the list of known hosts. executing program [ 25.741815] audit: type=1400 audit(1517132832.925:7): avc: denied { map } for pid=3685 comm="syzkaller502567" path="/root/syzkaller502567708" 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 [ 25.767974] ------------[ cut here ]------------ [ 25.767983] name 'syz/õ' [ 25.768067] WARNING: CPU: 1 PID: 3685 at fs/proc/generic.c:163 __xlate_proc_name+0xe6/0x110 [ 25.768071] Kernel panic - not syncing: panic_on_warn set ... [ 25.768071] [ 25.768077] CPU: 1 PID: 3685 Comm: syzkaller502567 Not tainted 4.15.0-rc9+ #212 [ 25.768080] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 25.768082] Call Trace: [ 25.768091] dump_stack+0x194/0x257 [ 25.768099] ? arch_local_irq_restore+0x53/0x53 [ 25.768110] ? vsnprintf+0x1ed/0x1900 [ 25.768122] panic+0x1e4/0x41c [ 25.768127] ? refcount_error_report+0x214/0x214 [ 25.768135] ? show_regs_print_info+0x18/0x18 [ 25.768146] ? __warn+0x1c1/0x200 [ 25.768155] ? __xlate_proc_name+0xe6/0x110 [ 25.768159] __warn+0x1dc/0x200 [ 25.768164] ? __xlate_proc_name+0xe6/0x110 [ 25.768171] report_bug+0x211/0x2d0 [ 25.768185] fixup_bug.part.11+0x37/0x80 [ 25.768191] do_error_trap+0x2d7/0x3e0 [ 25.768196] ? __down_trylock_console_sem+0x10d/0x1e0 [ 25.768205] ? math_error+0x400/0x400 [ 25.768209] ? vprintk_emit+0x3ea/0x590 [ 25.768228] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 25.768238] do_invalid_op+0x1b/0x20 [ 25.768245] invalid_op+0x22/0x40 [ 25.768250] RIP: 0010:__xlate_proc_name+0xe6/0x110 [ 25.768253] RSP: 0018:ffff8801bc0cebd8 EFLAGS: 00010286 [ 25.768257] RAX: dffffc0000000008 RBX: 0000000000000003 RCX: ffffffff8159f32e [ 25.768260] RDX: 0000000000000000 RSI: 1ffff100379b694d RDI: 0000000000000293 [ 25.768263] RBP: ffff8801bc0cec08 R08: 1ffff10037819d0e R09: 0000000000000000 [ 25.768265] R10: ffff8801bc0cead0 R11: 0000000000000000 R12: ffff8801d9a1eb10 [ 25.768268] R13: 0000000000000000 R14: ffff8801bc0ceda0 R15: ffff8801d9a1eb10 [ 25.768280] ? vprintk_func+0x5e/0xc0 [ 25.768290] ? __xlate_proc_name+0xe6/0x110 [ 25.768299] __proc_create+0xcc/0x880 [ 25.768307] ? proc_register+0x370/0x370 [ 25.768322] ? __kmalloc_node+0x33/0x70 [ 25.768327] ? __kmalloc_node+0x33/0x70 [ 25.768333] ? rcu_read_lock_sched_held+0x108/0x120 [ 25.768339] ? kmem_cache_alloc_node_trace+0x370/0x750 [ 25.768346] ? map_id_range_down+0x182/0x400 [ 25.768355] ? __put_user_ns+0x60/0x60 [ 25.768367] proc_create_data+0x76/0x180 [ 25.768379] recent_mt_check.isra.8+0xb1b/0xe70 [ 25.768383] ? check_noncircular+0x20/0x20 [ 25.768393] ? recent_table_flush+0x130/0x130 [ 25.768405] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.768418] ? find_held_lock+0x35/0x1d0 [ 25.768434] ? xt_find_match+0x150/0x1e0 [ 25.768440] ? lock_downgrade+0x980/0x980 [ 25.768451] recent_mt_check_v0+0xd7/0x150 [ 25.768455] ? recent_mt_check_v0+0xd7/0x150 [ 25.768461] ? recent_mt_check_v1+0x70/0x70 [ 25.768489] ? trace_hardirqs_off+0xd/0x10 [ 25.768498] ? module_unload_free+0x5b0/0x5b0 [ 25.768502] ? recent_mt_check_v1+0x70/0x70 [ 25.768509] xt_check_match+0x231/0x7d0 [ 25.768516] ? xt_check_target+0x7d0/0x7d0 [ 25.768521] ? save_stack+0xa3/0xd0 [ 25.768528] ? kasan_slab_free+0x71/0xc0 [ 25.768532] ? kfree+0xd6/0x260 [ 25.768539] ? kvfree+0x36/0x60 [ 25.768545] ? translate_table+0xdd2/0x1610 [ 25.768554] ? mutex_unlock+0xd/0x10 [ 25.768559] ? xt_find_match+0x17b/0x1e0 [ 25.768574] find_check_entry.isra.8+0x3fc/0xcb0 [ 25.768595] ? ipt_do_table+0x1860/0x1860 [ 25.768605] ? mark_held_locks+0xaf/0x100 [ 25.768611] ? kfree+0xf0/0x260 [ 25.768621] ? trace_hardirqs_on+0xd/0x10 [ 25.768633] translate_table+0xed1/0x1610 [ 25.768657] ? alloc_counters.isra.11+0x7d0/0x7d0 [ 25.768666] ? kasan_check_write+0x14/0x20 [ 25.768672] ? _copy_from_user+0x99/0x110 [ 25.768681] do_ipt_set_ctl+0x370/0x5f0 [ 25.768690] ? translate_compat_table+0x1b90/0x1b90 [ 25.768706] ? mutex_unlock+0xd/0x10 [ 25.768712] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 25.768721] nf_setsockopt+0x67/0xc0 [ 25.768730] ip_setsockopt+0xa1/0xb0 [ 25.768740] sctp_setsockopt+0x2b6/0x61d0 [ 25.768749] ? sctp_setsockopt_paddr_thresholds+0x550/0x550 [ 25.768758] ? __lock_is_held+0xb6/0x140 [ 25.768767] ? check_noncircular+0x20/0x20 [ 25.768772] ? lru_cache_add+0x1c7/0x3a0 [ 25.768785] ? get_mem_cgroup_from_mm+0x710/0x710 [ 25.768790] ? lru_cache_add_file+0x20/0x20 [ 25.768797] ? __mem_cgroup_threshold+0x8f0/0x8f0 [ 25.768807] ? mark_held_locks+0xaf/0x100 [ 25.768819] ? find_held_lock+0x35/0x1d0 [ 25.768825] ? check_noncircular+0x20/0x20 [ 25.768836] ? __handle_mm_fault+0x2747/0x3ce0 [ 25.768843] ? lock_downgrade+0x980/0x980 [ 25.768851] ? lock_release+0xa40/0xa40 [ 25.768863] ? find_held_lock+0x35/0x1d0 [ 25.768879] ? avc_has_perm+0x35e/0x680 [ 25.768885] ? lock_downgrade+0x980/0x980 [ 25.768893] ? lock_release+0xa40/0xa40 [ 25.768897] ? check_noncircular+0x20/0x20 [ 25.768901] ? __pmd_alloc+0x4e0/0x4e0 [ 25.768912] ? find_held_lock+0x35/0x1d0 [ 25.768924] ? avc_has_perm+0x43e/0x680 [ 25.768933] ? avc_has_perm_noaudit+0x520/0x520 [ 25.768948] ? __do_page_fault+0x5f7/0xc90 [ 25.768954] ? lock_downgrade+0x980/0x980 [ 25.768967] ? handle_mm_fault+0x410/0x8d0 [ 25.768971] ? down_read_trylock+0xdb/0x170 [ 25.768975] ? __do_page_fault+0x32d/0xc90 [ 25.768982] ? __handle_mm_fault+0x3ce0/0x3ce0 [ 25.768985] ? vmacache_find+0x5f/0x280 [ 25.768995] ? sock_has_perm+0x2a4/0x420 [ 25.769002] ? selinux_secmark_relabel_packet+0xc0/0xc0 [ 25.769006] ? __do_page_fault+0x3d6/0xc90 [ 25.769014] ? selinux_netlbl_socket_setsockopt+0x10c/0x460 [ 25.769022] ? selinux_netlbl_sock_rcv_skb+0x730/0x730 [ 25.769048] sock_common_setsockopt+0x95/0xd0 [ 25.769058] SyS_setsockopt+0x189/0x360 [ 25.769068] ? SyS_recv+0x40/0x40 [ 25.769074] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 25.769081] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 25.769088] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 25.769099] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 25.769103] RIP: 0033:0x440a79 [ 25.769105] RSP: 002b:00007ffdebf728a8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 25.769110] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000440a79 [ 25.769112] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 25.769115] RBP: 00000000006cb018 R08: 00000000000003b8 R09: 0000000000000000 [ 25.769118] R10: 0000000020012000 R11: 0000000000000203 R12: 00000000004023a0 [ 25.769120] R13: 0000000000402430 R14: 0000000000000000 R15: 0000000000000000 [ 25.773848] Dumping ftrace buffer: [ 25.773893] (ftrace buffer empty) [ 25.773896] Kernel Offset: disabled [ 26.373330] Rebooting in 86400 seconds..