Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 8.348238][ T22] audit: type=1400 audit(1581245680.464:10): avc: denied { watch } for pid=1792 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 [ 8.355023][ T22] audit: type=1400 audit(1581245680.474:11): avc: denied { watch } for pid=1792 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: [ 9.766846][ T22] audit: type=1400 audit(1581245681.884:12): avc: denied { map } for pid=1865 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 '10.128.0.72' (ECDSA) to the list of known hosts. executing program [ 21.982914][ T22] audit: type=1400 audit(1581245694.104:13): avc: denied { map } for pid=1883 comm="syz-executor026" path="/root/syz-executor026179960" 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 [ 21.998051][ T22] audit: type=1400 audit(1581245694.114:14): avc: denied { prog_load } for pid=1884 comm="syz-executor026" 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 [ 22.003159][ T22] audit: type=1400 audit(1581245694.124:15): avc: denied { prog_run } for pid=1884 comm="syz-executor026" 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 [ 22.003337][ T1884] BUG: unable to handle page fault for address: ffffed101a8d63ff [ 22.034177][ T1884] #PF: supervisor read access in kernel mode [ 22.040225][ T1884] #PF: error_code(0x0000) - not-present page [ 22.046191][ T1884] PGD 21fff7067 P4D 21fff7067 PUD 21fff6067 PMD 0 [ 22.052680][ T1884] Oops: 0000 [#1] PREEMPT SMP KASAN [ 22.057851][ T1884] CPU: 1 PID: 1884 Comm: syz-executor026 Not tainted 5.4.18-syzkaller-00113-g9204f620c2a9 #0 [ 22.068114][ T1884] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 22.078181][ T1884] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 22.083713][ T1884] Code: 00 00 00 00 fc ff df 42 80 3c 30 00 74 05 e8 c4 7a 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 79 96 fe 49 8b 37 83 e6 01 31 [ 22.103350][ T1884] RSP: 0018:ffff8881d06ef680 EFLAGS: 00010a07 [ 22.109392][ T1884] RAX: 1ffff1101a8d63ff RBX: ffff8881d06ef788 RCX: 1ffff1103a0ddef1 [ 22.117467][ T1884] RDX: ffff8881d07f56b4 RSI: 0000000000000000 RDI: ffff8881d06ef798 [ 22.125686][ T1884] RBP: ffff8881d06ef830 R08: ffffffff82da5f9b R09: ffffed103a8d445d [ 22.133991][ T1884] R10: ffffed103a8d445d R11: 0000000000000000 R12: ffff8880d46a2112 [ 22.141950][ T1884] R13: ffff8881d46a2000 R14: dffffc0000000000 R15: ffff8880d46b1fff [ 22.149955][ T1884] FS: 0000000001e61880(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 [ 22.158865][ T1884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.165436][ T1884] CR2: ffffed101a8d63ff CR3: 00000001d397a003 CR4: 00000000001606e0 [ 22.173393][ T1884] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.181391][ T1884] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.189391][ T1884] Call Trace: [ 22.192667][ T1884] ? __kasan_check_write+0x14/0x20 [ 22.197753][ T1884] ? _copy_from_iter+0x886/0xaa0 [ 22.202800][ T1884] ? generic_xdp_tx+0x4f0/0x4f0 [ 22.207632][ T1884] ? tun_get_user+0x3d10/0x3d10 [ 22.212461][ T1884] tun_get_user+0x2498/0x3d10 [ 22.217160][ T1884] ? __kasan_check_read+0x11/0x20 [ 22.222621][ T1884] ? __alloc_pages_nodemask+0x52d/0x3010 [ 22.228393][ T1884] ? tun_do_read+0x1f10/0x1f10 [ 22.233150][ T1884] ? put_pid+0x82/0xe0 [ 22.237270][ T1884] ? __rcu_read_lock+0x50/0x50 [ 22.242017][ T1884] ? __rcu_read_lock+0x50/0x50 [ 22.246866][ T1884] ? __memcg_kmem_charge_memcg+0x340/0x340 [ 22.252659][ T1884] tun_chr_write_iter+0x134/0x1c0 [ 22.257667][ T1884] do_iter_readv_writev+0x5fa/0x890 [ 22.262873][ T1884] ? vfs_dedupe_file_range+0xa00/0xa00 [ 22.268320][ T1884] ? security_file_permission+0x157/0x350 [ 22.274026][ T1884] ? rw_verify_area+0x1c2/0x360 [ 22.278861][ T1884] do_iter_write+0x180/0x590 [ 22.283450][ T1884] do_writev+0x2cd/0x560 [ 22.287691][ T1884] ? do_readv+0x400/0x400 [ 22.292016][ T1884] ? __up_read+0x6f/0x1b0 [ 22.296361][ T1884] ? __down_read+0x240/0x240 [ 22.300929][ T1884] ? vmacache_find+0x21f/0x4d0 [ 22.305677][ T1884] ? do_user_addr_fault+0x6b7/0xb50 [ 22.310861][ T1884] __x64_sys_writev+0x7d/0x90 [ 22.315529][ T1884] do_syscall_64+0xc0/0x100 [ 22.320011][ T1884] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 22.325887][ T1884] RIP: 0033:0x4416c0 [ 22.329762][ T1884] 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 51 99 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 [ 22.349478][ T1884] RSP: 002b:00007ffccdf99f98 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 22.358011][ T1884] RAX: ffffffffffffffda RBX: 00007ffccdf99fb0 RCX: 00000000004416c0 [ 22.366060][ T1884] RDX: 0000000000000001 RSI: 00007ffccdf99fe0 RDI: 00000000000000f0 [ 22.374021][ T1884] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 22.381977][ T1884] R10: 00000000bb1414ac R11: 0000000000000246 R12: 0000000000000000 [ 22.389932][ T1884] R13: 0000000000402ab0 R14: 0000000000000000 R15: 0000000000000000 [ 22.397896][ T1884] Modules linked in: [ 22.401776][ T1884] CR2: ffffed101a8d63ff [ 22.405921][ T1884] ---[ end trace f8ae66944c79665f ]--- [ 22.411361][ T1884] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 22.416908][ T1884] Code: 00 00 00 00 fc ff df 42 80 3c 30 00 74 05 e8 c4 7a 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 79 96 fe 49 8b 37 83 e6 01 31 [ 22.437152][ T1884] RSP: 0018:ffff8881d06ef680 EFLAGS: 00010a07 [ 22.443320][ T1884] RAX: 1ffff1101a8d63ff RBX: ffff8881d06ef788 RCX: 1ffff1103a0ddef1 [ 22.451345][ T1884] RDX: ffff8881d07f56b4 RSI: 0000000000000000 RDI: ffff8881d06ef798 [ 22.459306][ T1884] RBP: ffff8881d06ef830 R08: ffffffff82da5f9b R09: ffffed103a8d445d [ 22.467274][ T1884] R10: ffffed103a8d445d R11: 0000000000000000 R12: ffff8880d46a2112 [ 22.475317][ T1884] R13: ffff8881d46a2000 R14: dffffc0000000000 R15: ffff8880d46b1fff [ 22.483297][ T1884] FS: 0000000001e61880(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000 [ 22.492222][ T1884] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 22.499165][ T1884] CR2: ffffed101a8d63ff CR3: 00000001d397a003 CR4: 00000000001606e0 [ 22.507911][ T1884] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 22.515890][ T1884] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 22.523869][ T1884] Kernel panic - not syncing: Fatal exception in interrupt [ 22.531646][ T1884] Kernel Offset: disabled [ 22.535957][ T1884] Rebooting in 86400 seconds..