Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[ 8.866903][ T22] audit: type=1400 audit(1583454255.908:10): avc: denied { watch } for pid=1788 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 [ 8.873224][ T22] audit: type=1400 audit(1583454255.908:11): avc: denied { watch } for pid=1788 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 [?25l[?1c7[ ok 8[?25h[?0c. Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 12.369900][ T22] audit: type=1400 audit(1583454259.408:12): avc: denied { map } for pid=1866 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 '10.128.0.178' (ECDSA) to the list of known hosts. executing program [ 18.471700][ T22] audit: type=1400 audit(1583454265.508:13): avc: denied { map } for pid=1878 comm="syz-executor517" path="/root/syz-executor517790403" 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 [ 18.480394][ T22] audit: type=1400 audit(1583454265.508:14): avc: denied { prog_load } for pid=1878 comm="syz-executor517" 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 [ 18.489546][ T1878] kasan: CONFIG_KASAN_INLINE enabled [ 18.489674][ T22] audit: type=1400 audit(1583454265.528:15): avc: denied { prog_run } for pid=1878 comm="syz-executor517" 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 [ 18.491304][ T1878] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 18.522918][ T1878] general protection fault: 0000 [#1] PREEMPT SMP KASAN [ 18.530322][ T1878] CPU: 1 PID: 1878 Comm: syz-executor517 Not tainted 5.4.23-syzkaller-00008-gd0dbb0adbf9a #0 [ 18.540742][ T1878] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 18.551126][ T1878] RIP: 0010:bpf_skb_cgroup_id+0x110/0x190 [ 18.556826][ T1878] Code: c7 90 02 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 5f 4f 8c fe bb 20 01 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 41 4f 8c fe 48 8b 1b 48 83 c3 68 [ 18.576616][ T1878] RSP: 0018:ffff8881d29a76b8 EFLAGS: 00010206 [ 18.582826][ T1878] RAX: 0000000000000024 RBX: 0000000000000120 RCX: ffff8881d1a18ec0 [ 18.590886][ T1878] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 [ 18.598913][ T1878] RBP: ffff8881d29a76d8 R08: ffffffff82e4a9a7 R09: fffffbfff093417d [ 18.608706][ T1878] R10: fffffbfff093417d R11: 0000000000000000 R12: dffffc0000000000 [ 18.616836][ T1878] R13: fffffffbb3937cd0 R14: ffff8881c4ed1812 R15: ffff8881c4ed1a90 [ 18.624975][ T1878] FS: 0000000002287880(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 [ 18.634308][ T1878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.640881][ T1878] CR2: 000000002000d000 CR3: 00000001d056e002 CR4: 00000000001606e0 [ 18.648869][ T1878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.657178][ T1878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.665485][ T1878] Call Trace: [ 18.669343][ T1878] bpf_prog_f6df238ac16548fe+0xeea/0x1000 [ 18.675587][ T1878] bpf_test_run+0x2c0/0x6a0 [ 18.680113][ T1878] ? kzalloc+0x40/0x40 [ 18.684198][ T1878] ? build_skb+0x299/0x4c0 [ 18.688653][ T1878] bpf_prog_test_run_skb+0x7a6/0x10e0 [ 18.694044][ T1878] ? __bpf_trace_bpf_test_finish+0x30/0x30 [ 18.700191][ T1878] ? __kasan_check_read+0x11/0x20 [ 18.711148][ T1878] ? __bpf_prog_get+0x294/0x320 [ 18.715987][ T1878] ? __bpf_trace_bpf_test_finish+0x30/0x30 [ 18.722007][ T1878] __do_sys_bpf+0x31e8/0xbbc0 [ 18.726673][ T1878] ? pipe_write+0x1005/0x1220 [ 18.732362][ T1878] ? gfp_pfmemalloc_allowed+0x140/0x140 [ 18.737890][ T1878] ? __rcu_read_lock+0x50/0x50 [ 18.742633][ T1878] ? __memcg_kmem_charge_memcg+0x340/0x340 [ 18.748523][ T1878] ? __bpf_prog_put_rcu+0x350/0x350 [ 18.754557][ T1878] ? get_mem_cgroup_from_mm+0x2b2/0x330 [ 18.760211][ T1878] ? mem_cgroup_from_task+0x60/0x60 [ 18.765394][ T1878] ? __kasan_check_read+0x11/0x20 [ 18.770400][ T1878] ? __lru_cache_add+0x1ae/0x200 [ 18.775319][ T1878] ? lru_cache_add_active_or_unevictable+0xa6/0x120 [ 18.781916][ T1878] ? _raw_spin_unlock+0x9/0x20 [ 18.786799][ T1878] ? handle_mm_fault+0xb2f/0x41c0 [ 18.791891][ T1878] ? finish_fault+0x230/0x230 [ 18.796610][ T1878] ? __kasan_check_write+0x14/0x20 [ 18.802221][ T1878] ? __up_read+0x6f/0x1b0 [ 18.806532][ T1878] ? __down_read+0x240/0x240 [ 18.811106][ T1878] ? __kasan_check_read+0x11/0x20 [ 18.816349][ T1878] __x64_sys_bpf+0x7a/0x90 [ 18.820757][ T1878] do_syscall_64+0xc0/0x100 [ 18.825382][ T1878] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 18.831402][ T1878] RIP: 0033:0x440399 [ 18.835372][ T1878] 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 [ 18.855624][ T1878] RSP: 002b:00007ffdf8e27318 EFLAGS: 00000246 ORIG_RAX: 0000000000000141 [ 18.864143][ T1878] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440399 [ 18.872144][ T1878] RDX: 0000000000000028 RSI: 00000000200001c0 RDI: 000000000000000a [ 18.880103][ T1878] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8 [ 18.888125][ T1878] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401c20 [ 18.896114][ T1878] R13: 0000000000401cb0 R14: 0000000000000000 R15: 0000000000000000 [ 18.905375][ T1878] Modules linked in: [ 18.909300][ T1878] ---[ end trace a7350adde550959a ]--- [ 18.914780][ T1878] RIP: 0010:bpf_skb_cgroup_id+0x110/0x190 [ 18.920645][ T1878] Code: c7 90 02 00 00 4c 89 f8 48 c1 e8 03 42 80 3c 20 00 74 08 4c 89 ff e8 5f 4f 8c fe bb 20 01 00 00 49 03 1f 48 89 d8 48 c1 e8 03 <42> 80 3c 20 00 74 08 48 89 df e8 41 4f 8c fe 48 8b 1b 48 83 c3 68 [ 18.940922][ T1878] RSP: 0018:ffff8881d29a76b8 EFLAGS: 00010206 [ 18.940929][ T1878] RAX: 0000000000000024 RBX: 0000000000000120 RCX: ffff8881d1a18ec0 [ 18.940933][ T1878] RDX: 0000000000000000 RSI: 0000000000000080 RDI: 0000000000000000 [ 18.940938][ T1878] RBP: ffff8881d29a76d8 R08: ffffffff82e4a9a7 R09: fffffbfff093417d [ 18.940942][ T1878] R10: fffffbfff093417d R11: 0000000000000000 R12: dffffc0000000000 [ 18.940947][ T1878] R13: fffffffbb3937cd0 R14: ffff8881c4ed1812 R15: ffff8881c4ed1a90 [ 18.940953][ T1878] FS: 0000000002287880(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 [ 18.940957][ T1878] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.940960][ T1878] CR2: 000000002000d000 CR3: 00000001d056e002 CR4: 00000000001606e0 [ 18.940967][ T1878] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.940970][ T1878] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.940975][ T1878] Kernel panic - not syncing: Fatal exception [ 18.941857][ T1878] Kernel Offset: disabled [ 19.039901][ T1878] Rebooting in 86400 seconds..