[....] Starting enhanced syslogd: rsyslogd[ 13.179056] audit: type=1400 audit(1517108768.062:5): avc: denied { syslog } for pid=3528 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: [ 18.326008] audit: type=1400 audit(1517108773.209:6): avc: denied { map } for pid=3670 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 '10.128.0.30' (ECDSA) to the list of known hosts. executing program [ 24.605511] audit: type=1400 audit(1517108779.489:7): avc: denied { map } for pid=3684 comm="syzkaller924261" path="/root/syzkaller924261985" 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 [ 24.607848] ------------[ cut here ]------------ [ 24.607855] name len 0 [ 24.607937] WARNING: CPU: 1 PID: 3684 at fs/proc/generic.c:354 __proc_create+0x696/0x880 [ 24.607941] Kernel panic - not syncing: panic_on_warn set ... [ 24.607941] [ 24.607948] CPU: 1 PID: 3684 Comm: syzkaller924261 Not tainted 4.15.0-rc9+ #212 [ 24.607951] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.607953] Call Trace: [ 24.607963] dump_stack+0x194/0x257 [ 24.607972] ? arch_local_irq_restore+0x53/0x53 [ 24.607983] ? vsnprintf+0x1ed/0x1900 [ 24.607994] panic+0x1e4/0x41c [ 24.608007] ? refcount_error_report+0x214/0x214 [ 24.608015] ? show_regs_print_info+0x18/0x18 [ 24.608027] ? __warn+0x1c1/0x200 [ 24.608035] ? __proc_create+0x696/0x880 [ 24.608039] __warn+0x1dc/0x200 [ 24.608044] ? __proc_create+0x696/0x880 [ 24.608051] report_bug+0x211/0x2d0 [ 24.608066] fixup_bug.part.11+0x37/0x80 [ 24.608072] do_error_trap+0x2d7/0x3e0 [ 24.608081] ? math_error+0x400/0x400 [ 24.608085] ? vprintk_emit+0x3ea/0x590 [ 24.608106] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.608116] do_invalid_op+0x1b/0x20 [ 24.608123] invalid_op+0x22/0x40 [ 24.608128] RIP: 0010:__proc_create+0x696/0x880 [ 24.608130] RSP: 0018:ffff8801bc1b7410 EFLAGS: 00010286 [ 24.608135] RAX: dffffc0000000008 RBX: 1ffff10037836e87 RCX: ffffffff8159f32e [ 24.608137] RDX: 0000000000000000 RSI: 1ffff10037786db8 RDI: 0000000000000293 [ 24.608141] RBP: ffff8801bc1b7580 R08: 1ffff10037836e15 R09: 0000000000000000 [ 24.608143] R10: ffff8801bc1b72c8 R11: 0000000000000000 R12: ffff8801bc2617e8 [ 24.608146] R13: ffff8801bc1b7558 R14: 0000000000000000 R15: ffff8801bc1b7518 [ 24.608158] ? vprintk_func+0x5e/0xc0 [ 24.608173] ? proc_register+0x370/0x370 [ 24.608183] ? __lock_is_held+0xb6/0x140 [ 24.608197] ? mark_held_locks+0xaf/0x100 [ 24.608204] ? __raw_spin_lock_init+0x1c/0x100 [ 24.608211] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.608221] proc_create_data+0x76/0x180 [ 24.608234] hashlimit_mt_check_common.isra.9+0xaee/0x1420 [ 24.608245] ? hashlimit_mt_destroy_v1+0x70/0x70 [ 24.608252] ? xt_find_match+0x150/0x1e0 [ 24.608258] ? lock_downgrade+0x980/0x980 [ 24.608265] ? rcu_read_lock_sched_held+0x108/0x120 [ 24.608272] ? pcpu_alloc+0x146/0x10e0 [ 24.608288] ? pcpu_free_area+0xa00/0xa00 [ 24.608298] hashlimit_mt_check_v1+0x48d/0x640 [ 24.608304] ? hashlimit_mt_check_v2+0x640/0x640 [ 24.608310] ? __kernel_text_address+0xd/0x40 [ 24.608319] ? trace_hardirqs_off+0xd/0x10 [ 24.608325] ? hashlimit_mt_check_v2+0x640/0x640 [ 24.608333] xt_check_match+0x231/0x7d0 [ 24.608340] ? xt_check_target+0x7d0/0x7d0 [ 24.608346] ? save_stack+0xa3/0xd0 [ 24.608353] ? kasan_slab_free+0x71/0xc0 [ 24.608356] ? kfree+0xd6/0x260 [ 24.608362] ? kvfree+0x36/0x60 [ 24.608368] ? translate_table+0xdd2/0x1610 [ 24.608377] ? mutex_unlock+0xd/0x10 [ 24.608381] ? xt_find_match+0x17b/0x1e0 [ 24.608397] find_check_entry.isra.8+0x3fc/0xcb0 [ 24.608412] ? ipt_do_table+0x1860/0x1860 [ 24.608421] ? mark_held_locks+0xaf/0x100 [ 24.608427] ? kfree+0xf0/0x260 [ 24.608436] ? trace_hardirqs_on+0xd/0x10 [ 24.608447] translate_table+0xed1/0x1610 [ 24.608470] ? alloc_counters.isra.11+0x7d0/0x7d0 [ 24.608478] ? kasan_check_write+0x14/0x20 [ 24.608485] ? _copy_from_user+0x99/0x110 [ 24.608493] do_ipt_set_ctl+0x370/0x5f0 [ 24.608502] ? translate_compat_table+0x1b90/0x1b90 [ 24.608517] ? mutex_unlock+0xd/0x10 [ 24.608523] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 24.608532] nf_setsockopt+0x67/0xc0 [ 24.608541] ip_setsockopt+0xa1/0xb0 [ 24.608549] tcp_setsockopt+0x82/0xd0 [ 24.608561] sock_common_setsockopt+0x95/0xd0 [ 24.608570] SyS_setsockopt+0x189/0x360 [ 24.608579] ? SyS_recv+0x40/0x40 [ 24.608585] ? entry_SYSCALL_64_fastpath+0x5/0xa0 [ 24.608593] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.608599] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.608610] entry_SYSCALL_64_fastpath+0x29/0xa0 [ 24.608614] RIP: 0033:0x4408b9 [ 24.608616] RSP: 002b:00007ffc6efa17f8 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 24.608621] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 00000000004408b9 [ 24.608623] RDX: 0000000000000040 RSI: 0000000000000000 RDI: 0000000000000003 [ 24.608625] RBP: 00000000006cb018 R08: 0000000000000318 R09: 0000000000000000 [ 24.608628] R10: 000000002000fce8 R11: 0000000000000203 R12: 00000000004021e0 [ 24.608630] R13: 0000000000402270 R14: 0000000000000000 R15: 0000000000000000 [ 24.631830] Dumping ftrace buffer: [ 24.631892] (ftrace buffer empty) [ 24.631895] Kernel Offset: disabled [ 25.063365] Rebooting in 86400 seconds..