[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. Starting mcstransd: [ 8.779800][ T22] audit: type=1400 audit(1583445890.833:10): avc: denied { watch } for pid=1780 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16180 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 8.790358][ T22] audit: type=1400 audit(1583445890.843:11): avc: denied { watch } for pid=1780 comm="restorecond" path="/etc/selinux/restorecond.conf" dev="sda1" ino=2280 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. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 10.774471][ T22] audit: type=1400 audit(1583445892.823:12): avc: denied { map } for pid=1862 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 '10.128.0.167' (ECDSA) to the list of known hosts. executing program [ 16.813885][ T22] audit: type=1400 audit(1583445898.863:13): avc: denied { map } for pid=1874 comm="syz-executor063" path="/root/syz-executor063587922" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 16.819284][ T22] audit: type=1400 audit(1583445898.863:14): avc: denied { prog_load } for pid=1874 comm="syz-executor063" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 16.824058][ T22] audit: type=1400 audit(1583445898.883:15): avc: denied { prog_run } for pid=1874 comm="syz-executor063" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=bpf permissive=1 [ 16.824150][ T1874] kasan: CONFIG_KASAN_INLINE enabled [ 16.829167][ T1874] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 16.830382][ T1874] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 16.831416][ T1874] CPU: 0 PID: 1874 Comm: syz-executor063 Not tainted 5.4.23-syzkaller-00008-gd0dbb0adbf9a #0 [ 16.832804][ T1874] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 16.835826][ T1874] RIP: 0010:bpf_skb_ancestor_cgroup_id+0x11b/0x280 [ 16.842318][ T1874] Code: 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 c8 4d 8c fe 4d 8b 24 24 49 8d bc 24 fc 00 00 00 48 89 f8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 39 01 00 00 45 8b bc 24 fc 00 00 00 44 89 [ 16.861940][ T1874] RSP: 0018:ffff8881d46e7530 EFLAGS: 00010203 [ 16.867978][ T1874] RAX: 000000000000001f RBX: 0000000000000080 RCX: 0000000000000000 [ 16.875942][ T1874] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000000000fc [ 16.883897][ T1874] RBP: ffff8881d46e7558 R08: ffffffff82e4ab3f R09: fffffbfff093417d [ 16.891855][ T1874] R10: fffffbfff093417d R11: 0000000000000000 R12: 0000000000000000 [ 16.899808][ T1874] R13: dffffc0000000000 R14: fffffffffffffe00 R15: ffff8881d05c7812 [ 16.907911][ T1874] FS: 000000000194f880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 16.916823][ T1874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.923401][ T1874] CR2: 0000000020001000 CR3: 00000001d0c26005 CR4: 00000000001606f0 [ 16.931356][ T1874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 16.939347][ T1874] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 16.947290][ T1874] Call Trace: [ 16.950554][ T1874] bpf_prog_a47f5157823fa222+0x7b1/0x1000 [ 16.956247][ T1874] ? swaps_poll+0x40/0x140 [ 16.960658][ T1874] ? bpf_prog_test_run_skb+0x309/0x10e0 [ 16.966177][ T1874] ? __do_sys_bpf+0x31e8/0xbbc0 [ 16.970999][ T1874] ? __x64_sys_bpf+0x7a/0x90 [ 16.975591][ T1874] ? do_syscall_64+0xc0/0x100 [ 16.980240][ T1874] ? entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 16.986300][ T1874] ? avc_update_node+0x31c/0xeb0 [ 16.991217][ T1874] ? __rcu_read_lock+0x50/0x50 [ 16.995952][ T1874] ? should_fail+0x18e/0x860 [ 17.000512][ T1874] ? ktime_get+0x126/0x160 [ 17.004899][ T1874] ? __kasan_check_read+0x11/0x20 [ 17.009914][ T1874] bpf_test_run+0x2c0/0x6a0 [ 17.014397][ T1874] ? kzalloc+0x40/0x40 [ 17.018444][ T1874] bpf_prog_test_run_skb+0x7a6/0x10e0 [ 17.023805][ T1874] ? __bpf_trace_bpf_test_finish+0x30/0x30 [ 17.029584][ T1874] ? __kasan_check_read+0x11/0x20 [ 17.034580][ T1874] ? __bpf_prog_get+0x294/0x320 [ 17.039405][ T1874] ? __bpf_trace_bpf_test_finish+0x30/0x30 [ 17.045194][ T1874] __do_sys_bpf+0x31e8/0xbbc0 [ 17.049856][ T1874] ? pipe_write+0x1005/0x1220 [ 17.054532][ T1874] ? gfp_pfmemalloc_allowed+0x140/0x140 [ 17.060066][ T1874] ? __rcu_read_lock+0x50/0x50 [ 17.064826][ T1874] ? __memcg_kmem_charge_memcg+0x340/0x340 [ 17.070616][ T1874] ? __bpf_prog_put_rcu+0x350/0x350 [ 17.075784][ T1874] ? get_mem_cgroup_from_mm+0x2b2/0x330 [ 17.081298][ T1874] ? mem_cgroup_from_task+0x60/0x60 [ 17.086464][ T1874] ? __kasan_check_read+0x11/0x20 [ 17.091485][ T1874] ? __lru_cache_add+0x1ae/0x200 [ 17.096399][ T1874] ? lru_cache_add_active_or_unevictable+0xa6/0x120 [ 17.103012][ T1874] ? _raw_spin_unlock+0x9/0x20 [ 17.107754][ T1874] ? handle_mm_fault+0xb2f/0x41c0 [ 17.112765][ T1874] ? finish_fault+0x230/0x230 [ 17.117421][ T1874] ? __kasan_check_write+0x14/0x20 [ 17.122517][ T1874] ? __up_read+0x6f/0x1b0 [ 17.126823][ T1874] ? __kasan_check_write+0x14/0x20 [ 17.131925][ T1874] ? __fpregs_load_activate+0x2fc/0x3b0 [ 17.137466][ T1874] ? __kasan_check_read+0x11/0x20 [ 17.142465][ T1874] __x64_sys_bpf+0x7a/0x90 [ 17.146857][ T1874] do_syscall_64+0xc0/0x100 [ 17.151337][ T1874] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 17.157205][ T1874] RIP: 0033:0x4403b9 [ 17.161070][ T1874] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 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 fb 13 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 17.180652][ T1874] RSP: 002b:00007fffa9171418 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 17.189035][ T1874] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403b9 [ 17.196978][ T1874] RDX: 0000000000000040 RSI: 0000000020000280 RDI: 000000000000000a [ 17.204921][ T1874] RBP: 00000000006cb018 R08: 0000000000000000 R09: 00000000004002c8 [ 17.212870][ T1874] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401c40 [ 17.220830][ T1874] R13: 0000000000401cd0 R14: 0000000000000000 R15: 0000000000000000 [ 17.228788][ T1874] Modules linked in: [ 17.232757][ T1874] ---[ end trace 05dfed0650b49606 ]--- [ 17.238234][ T1874] RIP: 0010:bpf_skb_ancestor_cgroup_id+0x11b/0x280 [ 17.244717][ T1874] Code: 00 4c 89 e0 48 c1 e8 03 42 80 3c 28 00 74 08 4c 89 e7 e8 c8 4d 8c fe 4d 8b 24 24 49 8d bc 24 fc 00 00 00 48 89 f8 48 c1 e8 03 <42> 8a 04 28 84 c0 0f 85 39 01 00 00 45 8b bc 24 fc 00 00 00 44 89 [ 17.264328][ T1874] RSP: 0018:ffff8881d46e7530 EFLAGS: 00010203 [ 17.270398][ T1874] RAX: 000000000000001f RBX: 0000000000000080 RCX: 0000000000000000 [ 17.278384][ T1874] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 00000000000000fc [ 17.286357][ T1874] RBP: ffff8881d46e7558 R08: ffffffff82e4ab3f R09: fffffbfff093417d [ 17.294327][ T1874] R10: fffffbfff093417d R11: 0000000000000000 R12: 0000000000000000 [ 17.302399][ T1874] R13: dffffc0000000000 R14: fffffffffffffe00 R15: ffff8881d05c7812 [ 17.310391][ T1874] FS: 000000000194f880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 17.319322][ T1874] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 17.325962][ T1874] CR2: 0000000020001000 CR3: 00000001d0c26005 CR4: 00000000001606f0 [ 17.333909][ T1874] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 17.341880][ T1874] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 17.349891][ T1874] Kernel panic - not syncing: Fatal exception [ 17.356740][ T1874] Kernel Offset: disabled [ 17.361079][ T1874] Rebooting in 86400 seconds..