[....] Starting enhanced syslogd: rsyslogd[ 14.653618] audit: type=1400 audit(1518367965.124:5): avc: denied { syslog } for pid=3935 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: [ 19.990844] audit: type=1400 audit(1518367970.461:6): avc: denied { map } for pid=4075 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 '10.128.0.2' (ECDSA) to the list of known hosts. executing program [ 28.349093] audit: type=1400 audit(1518367978.819:7): avc: denied { map } for pid=4090 comm="syzkaller019634" path="/root/syzkaller019634141" 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 [ 28.352359] ------------[ cut here ]------------ [ 28.379887] name 'sit/€ÿÿÌä' [ 28.383166] WARNING: CPU: 0 PID: 4090 at fs/proc/generic.c:163 __xlate_proc_name+0xe6/0x110 [ 28.391642] Kernel panic - not syncing: panic_on_warn set ... [ 28.391642] [ 28.398985] CPU: 0 PID: 4090 Comm: syzkaller019634 Not tainted 4.15.0+ #308 [ 28.406057] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 28.415383] Call Trace: [ 28.417946] dump_stack+0x194/0x257 [ 28.421547] ? arch_local_irq_restore+0x53/0x53 [ 28.426192] ? vsnprintf+0x1ed/0x1900 [ 28.429969] panic+0x1e4/0x41c [ 28.433135] ? refcount_error_report+0x214/0x214 [ 28.437861] ? show_regs_print_info+0x18/0x18 [ 28.442342] ? __warn+0x1c1/0x200 [ 28.445774] ? __xlate_proc_name+0xe6/0x110 [ 28.450068] __warn+0x1dc/0x200 [ 28.453325] ? __xlate_proc_name+0xe6/0x110 [ 28.457620] report_bug+0x211/0x2d0 [ 28.461224] fixup_bug.part.11+0x37/0x80 [ 28.465258] do_error_trap+0x2d7/0x3e0 [ 28.469119] ? vprintk_default+0x28/0x30 [ 28.473154] ? math_error+0x400/0x400 [ 28.476925] ? printk+0xaa/0xca [ 28.480190] ? show_regs_print_info+0x18/0x18 [ 28.484666] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.489486] do_invalid_op+0x1b/0x20 [ 28.493172] invalid_op+0x22/0x40 [ 28.496598] RIP: 0010:__xlate_proc_name+0xe6/0x110 [ 28.501494] RSP: 0018:ffff8801bf457290 EFLAGS: 00010282 [ 28.506830] RAX: dffffc0000000008 RBX: 0000000000000003 RCX: ffffffff815aaf3e [ 28.514072] RDX: 0000000000000000 RSI: 1ffff10037e8ae02 RDI: 1ffff10037e8add7 [ 28.521313] RBP: ffff8801bf4572c0 R08: 1ffff10037e8ad99 R09: 0000000000000000 [ 28.528554] R10: ffff8801bf457188 R11: 0000000000000000 R12: ffff8801bf459440 [ 28.535796] R13: 0000000000000000 R14: ffff8801bf457458 R15: ffff8801bf459440 [ 28.543066] ? vprintk_func+0x5e/0xc0 [ 28.546857] __proc_create+0xcc/0x890 [ 28.550634] ? proc_register+0x3b0/0x3b0 [ 28.554674] ? __lock_is_held+0xb6/0x140 [ 28.558713] ? mark_held_locks+0xaf/0x100 [ 28.562832] ? __raw_spin_lock_init+0x1c/0x100 [ 28.567389] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 28.572383] proc_create_data+0x76/0x180 [ 28.576423] hashlimit_mt_check_common.isra.9+0xaee/0x1420 [ 28.582025] ? hashlimit_mt_destroy_v1+0x70/0x70 [ 28.586755] ? xt_find_match+0x150/0x1e0 [ 28.590791] ? lock_downgrade+0x980/0x980 [ 28.594917] ? mutex_unlock+0xd/0x10 [ 28.598606] ? ipv6_hooks_register+0x1fb/0x3d0 [ 28.603161] ? ipv6_conntrack_local+0x30/0x30 [ 28.607634] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 28.612455] hashlimit_mt_check_v1+0x48d/0x640 [ 28.617017] ? hashlimit_mt_check_v2+0x640/0x640 [ 28.621756] ? nf_ct_netns_get+0x35/0x90 [ 28.625791] ? module_unload_free+0x5b0/0x5b0 [ 28.630261] ? hashlimit_mt_check_v2+0x640/0x640 [ 28.634995] xt_check_match+0x231/0x7d0 [ 28.638949] ? xt_check_target+0x7d0/0x7d0 [ 28.643160] ? mutex_unlock+0xd/0x10 [ 28.646848] ? mutex_unlock+0xd/0x10 [ 28.650534] ? xt_find_match+0x17b/0x1e0 [ 28.654579] find_check_entry.isra.7+0x42d/0xcf0 [ 28.659319] ? do_add_counters+0x560/0x560 [ 28.663543] ? kfree+0xf3/0x260 [ 28.666800] ? trace_hardirqs_on+0xd/0x10 [ 28.670926] translate_table+0xf52/0x1690 [ 28.675084] ? alloc_counters.isra.10+0x7e0/0x7e0 [ 28.679912] ? kasan_check_write+0x14/0x20 [ 28.684125] ? _copy_from_user+0x99/0x110 [ 28.688249] do_ip6t_set_ctl+0x370/0x5f0 [ 28.692303] ? translate_compat_table+0x1c50/0x1c50 [ 28.697305] ? mutex_unlock+0xd/0x10 [ 28.700994] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 28.706248] nf_setsockopt+0x67/0xc0 [ 28.709939] ipv6_setsockopt+0x10b/0x130 [ 28.713975] udpv6_setsockopt+0x45/0x80 [ 28.717935] sock_common_setsockopt+0x95/0xd0 [ 28.722413] SyS_setsockopt+0x189/0x360 [ 28.726368] ? SyS_recv+0x40/0x40 [ 28.729808] ? mm_fault_error+0x2c0/0x2c0 [ 28.733929] ? move_addr_to_kernel+0x60/0x60 [ 28.738321] ? do_syscall_64+0xb7/0x940 [ 28.742279] ? SyS_recv+0x40/0x40 [ 28.745705] do_syscall_64+0x282/0x940 [ 28.749566] ? __do_page_fault+0xc90/0xc90 [ 28.753789] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 28.758543] ? syscall_return_slowpath+0x550/0x550 [ 28.763451] ? syscall_return_slowpath+0x2ac/0x550 [ 28.768368] ? prepare_exit_to_usermode+0x350/0x350 [ 28.773364] ? retint_user+0x18/0x18 [ 28.777060] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 28.781886] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 28.787054] RIP: 0033:0x441b99 [ 28.790221] RSP: 002b:00007fff95634d08 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 28.797901] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441b99 [ 28.805143] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 28.812384] RBP: 00000000006cc018 R08: 0000000000000688 R09: 0000000000000000 [ 28.819624] R10: 0000000020f2b000 R11: 0000000000000203 R12: 00000000004034c0 [ 28.826875] R13: 0000000000403550 R14: 0000000000000000 R15: 0000000000000000 [ 28.834655] Dumping ftrace buffer: [ 28.838262] (ftrace buffer empty) [ 28.841946] Kernel Offset: disabled [ 28.845546] Rebooting in 86400 seconds..