[ 101.018081][ T26] audit: type=1400 audit(1582450345.507:38): avc: denied { watch } for pid=10222 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2232 scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:object_r:file_t:s0 tclass=file permissive=1 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 101.343903][ T26] audit: type=1800 audit(1582450345.867:39): pid=10137 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rc.local" dev="sda1" ino=2432 res=0 [ 101.366469][ T26] audit: type=1800 audit(1582450345.867:40): pid=10137 uid=0 auid=4294967295 ses=4294967295 subj=system_u:system_r:kernel_t:s0 op=collect_data cause=failed(directio) comm="startpar" name="rmnologin" dev="sda1" ino=2423 res=0 [ 102.398824][ T26] audit: type=1400 audit(1582450346.927:41): avc: denied { map } for pid=10314 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 '10.128.10.63' (ECDSA) to the list of known hosts. executing program executing program executing program executing program executing program executing program syzkaller login: [ 109.255389][ T26] audit: type=1400 audit(1582450353.787:42): avc: denied { map } for pid=10326 comm="syz-executor457" path="/root/syz-executor457538378" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 109.273070][T10336] xt_hashlimit: size too large, truncated to 1048576 [ 109.292347][T10337] xt_hashlimit: size too large, truncated to 1048576 [ 109.296901][T10343] xt_hashlimit: size too large, truncated to 1048576 [ 109.299490][T10338] xt_hashlimit: size too large, truncated to 1048576 [ 109.307180][T10344] xt_hashlimit: size too large, truncated to 1048576 [ 109.313335][T10342] xt_hashlimit: size too large, truncated to 1048576 [ 109.319579][T10343] xt_hashlimit: max too large, truncated to 1048576 [ 109.326285][T10338] xt_hashlimit: max too large, truncated to 1048576 [ 109.333489][T10344] xt_hashlimit: max too large, truncated to 1048576 [ 109.339693][T10337] xt_hashlimit: max too large, truncated to 1048576 [ 109.353696][T10336] xt_hashlimit: max too large, truncated to 1048576 [ 109.358702][T10342] xt_hashlimit: max too large, truncated to 1048576 [ 109.379407][T10343] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 109.379529][T10338] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 109.387562][T10342] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 109.387823][T10344] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 109.400307][T10346] xt_hashlimit: size too large, truncated to 1048576 [ 109.405057][T10336] xt_SECMARK: only valid in 'mangle' or 'security' table, not 'raw' [ 109.412586][T10345] xt_hashlimit: size too large, truncated to 1048576 [ 109.435299][T10337] xt_hashlimit: size too large, truncated to 1048576 [ 109.442567][T10337] xt_hashlimit: max too large, truncated to 1048576 [ 109.445078][T10346] xt_hashlimit: max too large, truncated to 1048576 [ 109.452564][T10349] xt_hashlimit: size too large, truncated to 1048576 [ 109.455954][T10344] xt_hashlimit: max too large, truncated to 1048576 [ 109.463226][T10349] xt_hashlimit: max too large, truncated to 1048576 [ 109.515690][T10346] ------------[ cut here ]------------ [ 109.521319][T10346] proc_dir_entry 'ip6t_hashlimit/hsr0' already registered [ 109.528700][T10346] WARNING: CPU: 1 PID: 10346 at fs/proc/generic.c:362 proc_register+0x41e/0x590 [ 109.537720][T10346] Kernel panic - not syncing: panic_on_warn set ... [ 109.544305][T10346] CPU: 1 PID: 10346 Comm: syz-executor457 Not tainted 5.6.0-rc2-syzkaller #0 [ 109.553045][T10346] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.563090][T10346] Call Trace: [ 109.566376][T10346] dump_stack+0x197/0x210 [ 109.570699][T10346] ? proc_register+0x410/0x590 [ 109.575458][T10346] panic+0x2e3/0x75c [ 109.579360][T10346] ? add_taint.cold+0x16/0x16 [ 109.584038][T10346] ? __kasan_check_write+0x14/0x20 [ 109.589146][T10346] ? __warn.cold+0x14/0x3e [ 109.593557][T10346] ? __warn+0xd9/0x1cf [ 109.597622][T10346] ? proc_register+0x41e/0x590 [ 109.602391][T10346] __warn.cold+0x2f/0x3e [ 109.606639][T10346] ? proc_register+0x41e/0x590 [ 109.611412][T10346] report_bug+0x289/0x300 [ 109.615743][T10346] do_error_trap+0x11b/0x200 [ 109.620334][T10346] do_invalid_op+0x37/0x50 [ 109.624737][T10346] ? proc_register+0x41e/0x590 [ 109.629495][T10346] invalid_op+0x23/0x30 [ 109.633643][T10346] RIP: 0010:proc_register+0x41e/0x590 [ 109.639002][T10346] Code: ff df 48 89 f9 48 c1 e9 03 80 3c 01 00 0f 85 5a 01 00 00 48 8b 45 d0 48 c7 c7 20 14 59 88 48 8b b0 d0 00 00 00 e8 e1 e0 5e ff <0f> 0b 48 c7 c7 a0 2d cb 89 e8 e4 42 09 06 48 8b 4d a0 48 b8 00 00 [ 109.658590][T10346] RSP: 0018:ffffc90001f57548 EFLAGS: 00010286 [ 109.664649][T10346] RAX: 0000000000000000 RBX: ffff8880a92e9f30 RCX: 0000000000000000 [ 109.672608][T10346] RDX: 0000000000000000 RSI: ffffffff815eae46 RDI: fffff520003eae9b [ 109.680563][T10346] RBP: ffffc90001f575b0 R08: ffff88809220a340 R09: fffffbfff16a356e [ 109.688534][T10346] R10: fffffbfff16a356d R11: ffffffff8b51ab6f R12: ffff888099127140 [ 109.696513][T10346] R13: 0000000000000000 R14: ffff8880991270b8 R15: dffffc0000000000 [ 109.704510][T10346] ? vprintk_func+0x86/0x189 [ 109.709106][T10346] ? proc_register+0x41e/0x590 [ 109.713860][T10346] proc_create_seq_private+0x12b/0x190 [ 109.719309][T10346] ? proc_create+0x40/0x40 [ 109.723728][T10346] ? lockdep_init_map+0x1be/0x6d0 [ 109.728756][T10346] hashlimit_mt_check_common.isra.0+0xb30/0x1680 [ 109.735078][T10346] hashlimit_mt_check_v2+0x327/0x3b0 [ 109.740354][T10346] ? __mutex_lock+0x458/0x13c0 [ 109.745122][T10346] ? hashlimit_mt_check+0xd0/0xd0 [ 109.750134][T10346] ? lock_downgrade+0x920/0x920 [ 109.755023][T10346] ? mutex_trylock+0x2d0/0x2d0 [ 109.759800][T10346] ? rcu_lockdep_current_cpu_online+0xe3/0x130 [ 109.765941][T10346] ? hashlimit_mt_check+0xd0/0xd0 [ 109.770973][T10346] xt_check_match+0x280/0x690 [ 109.775706][T10346] ? xt_check_target+0x690/0x690 [ 109.780637][T10346] ? __sanitizer_cov_trace_const_cmp1+0x1a/0x20 [ 109.786872][T10346] ? mutex_unlock+0xd/0x10 [ 109.791277][T10346] ? xt_find_match+0x73/0x280 [ 109.795969][T10346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 109.802243][T10346] find_check_entry.isra.0+0x389/0x9d0 [ 109.807732][T10346] ? __do_replace+0x950/0x950 [ 109.812455][T10346] ? lockdep_hardirqs_on+0x421/0x5e0 [ 109.817746][T10346] ? trace_hardirqs_on+0x67/0x240 [ 109.822776][T10346] ? kvfree+0x4a/0x60 [ 109.826771][T10346] translate_table+0xd15/0x1860 [ 109.831629][T10346] ? compat_do_ip6t_get_ctl+0x9a0/0x9a0 [ 109.837164][T10346] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 109.843389][T10346] ? _copy_from_user+0x12c/0x1a0 [ 109.848315][T10346] do_ip6t_set_ctl+0x2fe/0x4c8 [ 109.853066][T10346] ? compat_do_ip6t_set_ctl+0x170/0x170 [ 109.858635][T10346] ? mutex_unlock+0xd/0x10 [ 109.863080][T10346] ? nf_sockopt_find.constprop.0+0x226/0x290 [ 109.869067][T10346] nf_setsockopt+0x77/0xd0 [ 109.873519][T10346] ipv6_setsockopt+0x147/0x180 [ 109.878274][T10346] tcp_setsockopt+0x8f/0xe0 [ 109.882762][T10346] sock_common_setsockopt+0x94/0xd0 [ 109.887946][T10346] __sys_setsockopt+0x261/0x4c0 [ 109.892780][T10346] ? sock_create_kern+0x50/0x50 [ 109.897626][T10346] ? rcu_read_lock_any_held.part.0+0x50/0x50 [ 109.903603][T10346] ? __x64_sys_futex+0x404/0x590 [ 109.908615][T10346] ? trace_hardirqs_on_thunk+0x1a/0x1c [ 109.914072][T10346] ? do_syscall_64+0x26/0x790 [ 109.918751][T10346] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.924817][T10346] ? do_syscall_64+0x26/0x790 [ 109.929498][T10346] __x64_sys_setsockopt+0xbe/0x150 [ 109.934613][T10346] do_syscall_64+0xfa/0x790 [ 109.939230][T10346] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.945115][T10346] RIP: 0033:0x446769 [ 109.949011][T10346] Code: e8 0c e8 ff ff 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 07 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 109.968618][T10346] RSP: 002b:00007f0edf2d1da8 EFLAGS: 00000246 ORIG_RAX: 0000000000000036 [ 109.977011][T10346] RAX: ffffffffffffffda RBX: 00000000006dbc38 RCX: 0000000000446769 [ 109.984967][T10346] RDX: 0000000000000040 RSI: 0000000000000029 RDI: 0000000000000004 [ 109.992920][T10346] RBP: 00000000006dbc30 R08: 0000000000000001 R09: 0000000000000000 [ 110.000922][T10346] R10: 0000000020000000 R11: 0000000000000246 R12: 00000000006dbc3c [ 110.008883][T10346] R13: 0000000020000000 R14: 00000000004ae628 R15: 0000000000000001 [ 110.018447][T10346] Kernel Offset: disabled [ 110.022828][T10346] Rebooting in 86400 seconds..