[....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 9.319198][ T22] audit: type=1400 audit(1579431788.302:10): avc: denied { watch } for pid=1796 comm="restorecond" path="/root/.ssh" dev="sda1" ino=16179 scontext=system_u:system_r:kernel_t:s0 tcontext=unconfined_u:object_r:ssh_home_t:s0 tclass=dir permissive=1 [ 9.326971][ T22] audit: type=1400 audit(1579431788.302:11): avc: denied { watch } for pid=1796 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. [ 9.757029][ T22] audit: type=1400 audit(1579431788.742:12): 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 Debian GNU/Linux 7 syzkaller ttyS0 Warning: Permanently added '10.128.1.51' (ECDSA) to the list of known hosts. executing program syzkaller login: [ 15.806367][ T22] audit: type=1400 audit(1579431794.792:13): avc: denied { map } for pid=1874 comm="syz-executor550" path="/root/syz-executor550077974" 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 [ 15.822579][ T22] audit: type=1400 audit(1579431794.812:14): avc: denied { create } for pid=1875 comm="syz-executor550" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=netlink_generic_socket permissive=1 [ 15.835283][ T22] audit: type=1400 audit(1579431794.812:15): avc: denied { map_create } for pid=1875 comm="syz-executor550" 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 [ 15.859116][ T22] audit: type=1400 audit(1579431794.812:16): avc: denied { map_read map_write } for pid=1875 comm="syz-executor550" 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 [ 15.859160][ T1875] netlink: 'syz-executor550': attribute type 1 has an invalid length. [ 15.883632][ T22] audit: type=1400 audit(1579431794.812:17): avc: denied { prog_load } for pid=1875 comm="syz-executor550" 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 [ 15.883645][ T22] audit: type=1400 audit(1579431794.842:18): avc: denied { prog_run } for pid=1875 comm="syz-executor550" 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 [ 15.938425][ T1875] netlink: 'syz-executor550': attribute type 1 has an invalid length. [ 15.946610][ T1875] netlink: 'syz-executor550': attribute type 1 has an invalid length. [ 15.954767][ T1875] netlink: 'syz-executor550': attribute type 1 has an invalid length. [ 15.963059][ T1875] netlink: 'syz-executor550': attribute type 1 has an invalid length. [ 15.971234][ T1875] netlink: 'syz-executor550': attribute type 1 has an invalid length. [ 15.979494][ T1875] BUG: unable to handle page fault for address: ffffed101a0a29ff [ 15.987203][ T1875] #PF: supervisor read access in kernel mode [ 15.993156][ T1875] #PF: error_code(0x0000) - not-present page [ 15.999111][ T1875] PGD 21fff7067 P4D 21fff7067 PUD 21fff6067 PMD 0 [ 16.005712][ T1875] Oops: 0000 [#1] PREEMPT SMP KASAN [ 16.011098][ T1875] CPU: 0 PID: 1875 Comm: syz-executor550 Not tainted 5.4.13-syzkaller-00760-gb0b02162a4b8 #0 [ 16.021237][ T1875] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 16.031292][ T1875] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 16.036817][ T1875] Code: 00 00 00 00 fc ff df 42 80 3c 30 00 74 05 e8 c4 a7 96 fe 4c 89 a4 24 d8 00 00 00 4c 89 ac 24 18 01 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 ff e8 fe a6 96 fe 49 8b 37 83 e6 01 31 [ 16.056404][ T1875] RSP: 0018:ffff8881d0f1f680 EFLAGS: 00010a07 [ 16.062449][ T1875] RAX: 1ffff1101a0a29ff RBX: ffff8881d0f1f788 RCX: 1ffff1103a1e3ef1 [ 16.070403][ T1875] RDX: ffff8881d1af2e34 RSI: 0000000000000000 RDI: ffff8881d0f1f798 [ 16.078356][ T1875] RBP: ffff8881d0f1f830 R08: ffffffff82da194b R09: ffffed103a0a0a5d [ 16.086302][ T1875] R10: ffffed103a0a0a5d R11: 0000000000000000 R12: ffff8880d0505116 [ 16.094270][ T1875] R13: ffff8881d0505000 R14: dffffc0000000000 R15: ffff8880d0514fff [ 16.102363][ T1875] FS: 000000000191a880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 16.111272][ T1875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.117864][ T1875] CR2: ffffed101a0a29ff CR3: 00000001d2752005 CR4: 00000000001606f0 [ 16.125818][ T1875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 16.133777][ T1875] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 16.141745][ T1875] Call Trace: [ 16.145027][ T1875] ? __kasan_check_write+0x14/0x20 [ 16.150131][ T1875] ? _copy_from_iter+0x886/0xaa0 [ 16.157494][ T1875] ? generic_xdp_tx+0x4f0/0x4f0 [ 16.162321][ T1875] ? tun_get_user+0x3cd0/0x3cd0 [ 16.167156][ T1875] tun_get_user+0x2498/0x3cd0 [ 16.171813][ T1875] ? tun_do_read+0x1f10/0x1f10 [ 16.176596][ T1875] ? netlink_detachskb+0x60/0x60 [ 16.181521][ T1875] ? put_pid+0x82/0xe0 [ 16.185567][ T1875] ? netlink_sendmsg+0xa28/0xd40 [ 16.190519][ T1875] ? __rcu_read_lock+0x50/0x50 [ 16.195269][ T1875] ? netlink_getsockopt+0x900/0x900 [ 16.200443][ T1875] tun_chr_write_iter+0x134/0x1c0 [ 16.205442][ T1875] do_iter_readv_writev+0x5fa/0x890 [ 16.210616][ T1875] ? vfs_dedupe_file_range+0xa00/0xa00 [ 16.216099][ T1875] ? security_file_permission+0x157/0x350 [ 16.221900][ T1875] ? rw_verify_area+0x1c2/0x360 [ 16.226733][ T1875] do_iter_write+0x180/0x590 [ 16.231310][ T1875] do_writev+0x2cd/0x560 [ 16.235527][ T1875] ? do_readv+0x400/0x400 [ 16.239838][ T1875] ? __up_read+0x6f/0x1b0 [ 16.244192][ T1875] ? __down_read+0x240/0x240 [ 16.248854][ T1875] ? vmacache_find+0x21f/0x4d0 [ 16.253596][ T1875] ? __kasan_check_read+0x11/0x20 [ 16.258605][ T1875] __x64_sys_writev+0x7d/0x90 [ 16.263265][ T1875] do_syscall_64+0xc0/0x100 [ 16.267751][ T1875] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 16.273625][ T1875] RIP: 0033:0x441a80 [ 16.277544][ T1875] Code: 05 48 3d 01 f0 ff ff 0f 83 fd 0e fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d b1 95 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 d4 0e fc ff c3 48 83 ec 08 e8 7a 2b 00 00 [ 16.297127][ T1875] RSP: 002b:00007fff1d8edae8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 16.305577][ T1875] RAX: ffffffffffffffda RBX: 00007fff1d8edb00 RCX: 0000000000441a80 [ 16.313539][ T1875] RDX: 0000000000000001 RSI: 00007fff1d8edb30 RDI: 00000000000000f0 [ 16.321489][ T1875] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 16.329470][ T1875] R10: 00000000bb1414ac R11: 0000000000000246 R12: 0000000000000000 [ 16.337420][ T1875] R13: 0000000000402e70 R14: 0000000000000000 R15: 0000000000000000 [ 16.345370][ T1875] Modules linked in: [ 16.349409][ T1875] CR2: ffffed101a0a29ff [ 16.353543][ T1875] ---[ end trace 90ace8baa7a643bb ]--- [ 16.359150][ T1875] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 16.364721][ T1875] Code: 00 00 00 00 fc ff df 42 80 3c 30 00 74 05 e8 c4 a7 96 fe 4c 89 a4 24 d8 00 00 00 4c 89 ac 24 18 01 00 00 4c 89 f8 48 c1 e8 03 <42> 80 3c 30 00 74 08 4c 89 ff e8 fe a6 96 fe 49 8b 37 83 e6 01 31 [ 16.384324][ T1875] RSP: 0018:ffff8881d0f1f680 EFLAGS: 00010a07 [ 16.390375][ T1875] RAX: 1ffff1101a0a29ff RBX: ffff8881d0f1f788 RCX: 1ffff1103a1e3ef1 [ 16.398338][ T1875] RDX: ffff8881d1af2e34 RSI: 0000000000000000 RDI: ffff8881d0f1f798 [ 16.406287][ T1875] RBP: ffff8881d0f1f830 R08: ffffffff82da194b R09: ffffed103a0a0a5d [ 16.414238][ T1875] R10: ffffed103a0a0a5d R11: 0000000000000000 R12: ffff8880d0505116 [ 16.422189][ T1875] R13: ffff8881d0505000 R14: dffffc0000000000 R15: ffff8880d0514fff [ 16.430139][ T1875] FS: 000000000191a880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 16.439080][ T1875] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 16.445736][ T1875] CR2: ffffed101a0a29ff CR3: 00000001d2752005 CR4: 00000000001606f0 [ 16.453690][ T1875] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 16.461682][ T1875] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 16.469660][ T1875] Kernel panic - not syncing: Fatal exception in interrupt [ 16.478085][ T1875] Kernel Offset: disabled [ 16.482394][ T1875] Rebooting in 86400 seconds..