[?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. [ 18.036857] audit: type=1400 audit(1518377142.567:6): avc: denied { map } for pid=4155 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 '10.128.15.202' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 24.317786] audit: type=1400 audit(1518377148.848:7): avc: denied { map } for pid=4169 comm="syzkaller037165" path="/root/syzkaller037165032" 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 [ 24.321093] ------------[ cut here ]------------ [ 24.348496] name 'sit/€ÿÿÌä' [ 24.351754] WARNING: CPU: 0 PID: 4169 at fs/proc/generic.c:163 __xlate_proc_name+0xe6/0x110 [ 24.360227] Kernel panic - not syncing: panic_on_warn set ... [ 24.360227] [ 24.367564] CPU: 0 PID: 4169 Comm: syzkaller037165 Not tainted 4.15.0+ #222 [ 24.374642] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 24.383974] Call Trace: [ 24.386537] dump_stack+0x194/0x257 [ 24.390139] ? arch_local_irq_restore+0x53/0x53 [ 24.394785] ? vsnprintf+0x1ed/0x1900 [ 24.398562] panic+0x1e4/0x41c [ 24.401730] ? refcount_error_report+0x214/0x214 [ 24.406458] ? show_regs_print_info+0x18/0x18 [ 24.410929] ? __warn+0x1c1/0x200 [ 24.414366] ? __xlate_proc_name+0xe6/0x110 [ 24.418657] __warn+0x1dc/0x200 [ 24.421907] ? __xlate_proc_name+0xe6/0x110 [ 24.426201] report_bug+0x211/0x2d0 [ 24.429804] fixup_bug.part.11+0x37/0x80 [ 24.433837] do_error_trap+0x2d7/0x3e0 [ 24.437698] ? vprintk_default+0x28/0x30 [ 24.441740] ? math_error+0x400/0x400 [ 24.445511] ? printk+0xaa/0xca [ 24.448761] ? show_regs_print_info+0x18/0x18 [ 24.453234] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.458054] do_invalid_op+0x1b/0x20 [ 24.461742] invalid_op+0x22/0x40 [ 24.465167] RIP: 0010:__xlate_proc_name+0xe6/0x110 [ 24.470063] RSP: 0018:ffff8801b2c67290 EFLAGS: 00010282 [ 24.475397] RAX: dffffc0000000008 RBX: 0000000000000003 RCX: ffffffff815a5c5e [ 24.482640] RDX: 0000000000000000 RSI: 1ffff1003658ce02 RDI: 1ffff1003658cdd7 [ 24.489880] RBP: ffff8801b2c672c0 R08: 1ffff1003658cd99 R09: 0000000000000000 [ 24.497120] R10: ffff8801b2c67188 R11: 0000000000000000 R12: ffff8801b1215580 [ 24.504360] R13: 0000000000000000 R14: ffff8801b2c67458 R15: ffff8801b1215580 [ 24.511615] ? vprintk_func+0x5e/0xc0 [ 24.515401] __proc_create+0xcc/0x890 [ 24.519176] ? proc_register+0x3b0/0x3b0 [ 24.523212] ? __lock_is_held+0xb6/0x140 [ 24.527256] ? mark_held_locks+0xaf/0x100 [ 24.531381] ? __raw_spin_lock_init+0x1c/0x100 [ 24.535937] ? trace_hardirqs_on_caller+0x421/0x5c0 [ 24.540931] proc_create_data+0x76/0x180 [ 24.544970] hashlimit_mt_check_common.isra.9+0xaee/0x1420 [ 24.550573] ? hashlimit_mt_destroy_v1+0x70/0x70 [ 24.555301] ? xt_find_match+0x150/0x1e0 [ 24.559334] ? lock_downgrade+0x980/0x980 [ 24.563456] ? mutex_unlock+0xd/0x10 [ 24.567143] ? ipv6_hooks_register+0x1fb/0x3d0 [ 24.571699] ? ipv6_conntrack_local+0x30/0x30 [ 24.576172] ? __mutex_unlock_slowpath+0xe9/0xac0 [ 24.580991] hashlimit_mt_check_v1+0x48d/0x640 [ 24.585552] ? hashlimit_mt_check_v2+0x640/0x640 [ 24.590289] ? nf_ct_netns_get+0x35/0x90 [ 24.594324] ? module_unload_free+0x5b0/0x5b0 [ 24.598790] ? hashlimit_mt_check_v2+0x640/0x640 [ 24.603522] xt_check_match+0x231/0x7d0 [ 24.607477] ? xt_check_target+0x7d0/0x7d0 [ 24.611949] ? mutex_unlock+0xd/0x10 [ 24.615641] ? mutex_unlock+0xd/0x10 [ 24.619326] ? xt_find_match+0x17b/0x1e0 [ 24.623372] find_check_entry.isra.7+0x42d/0xcf0 [ 24.628112] ? do_add_counters+0x560/0x560 [ 24.632336] ? kfree+0xf3/0x260 [ 24.635591] ? trace_hardirqs_on+0xd/0x10 [ 24.639719] translate_table+0xf52/0x1690 [ 24.643854] ? alloc_counters.isra.10+0x7e0/0x7e0 [ 24.648671] ? kasan_check_write+0x14/0x20 [ 24.652880] ? _copy_from_user+0x99/0x110 [ 24.657015] do_ip6t_set_ctl+0x370/0x5f0 [ 24.661060] ? translate_compat_table+0x1c50/0x1c50 [ 24.666063] ? mutex_unlock+0xd/0x10 [ 24.669749] ? nf_sockopt_find.constprop.0+0x1a7/0x220 [ 24.675001] nf_setsockopt+0x67/0xc0 [ 24.678698] ipv6_setsockopt+0x10b/0x130 [ 24.682734] udpv6_setsockopt+0x45/0x80 [ 24.686686] sock_common_setsockopt+0x95/0xd0 [ 24.691157] SyS_setsockopt+0x189/0x360 [ 24.695108] ? SyS_recv+0x40/0x40 [ 24.698533] ? mm_fault_error+0x2c0/0x2c0 [ 24.702656] ? move_addr_to_kernel+0x60/0x60 [ 24.707049] ? do_syscall_64+0xb7/0x940 [ 24.711004] ? SyS_recv+0x40/0x40 [ 24.714437] do_syscall_64+0x282/0x940 [ 24.718296] ? __do_page_fault+0xc90/0xc90 [ 24.722502] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 24.727233] ? syscall_return_slowpath+0x550/0x550 [ 24.732134] ? syscall_return_slowpath+0x2ac/0x550 [ 24.737038] ? prepare_exit_to_usermode+0x350/0x350 [ 24.742038] ? retint_user+0x18/0x18 [ 24.745731] ? trace_hardirqs_off_thunk+0x1a/0x1c [ 24.750554] entry_SYSCALL_64_after_hwframe+0x26/0x9b [ 24.755715] RIP: 0033:0x441b99 [ 24.758879] RSP: 002b:00007ffea20d2e68 EFLAGS: 00000203 ORIG_RAX: 0000000000000036 [ 24.766565] RAX: ffffffffffffffda RBX: ffffffffffffffff RCX: 0000000000441b99 [ 24.773808] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000003 [ 24.781051] RBP: 00000000006cc018 R08: 0000000000000688 R09: 0000000000000000 [ 24.788292] R10: 0000000020f2b000 R11: 0000000000000203 R12: 00000000004034c0 [ 24.795532] R13: 0000000000403550 R14: 0000000000000000 R15: 0000000000000000 [ 24.803365] Dumping ftrace buffer: [ 24.806965] (ftrace buffer empty) [ 24.810648] Kernel Offset: disabled [ 24.814252] Rebooting in 86400 seconds..