[ 94.873702][ T27] audit: type=1400 audit(1581861661.546:37): avc: denied { watch } for pid=10322 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 [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0[ 94.905414][ T27] audit: type=1400 audit(1581861661.546:38): avc: denied { watch } for pid=10322 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 c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 95.056577][ T27] audit: type=1800 audit(1581861661.736:39): pid=10230 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 [ 95.078328][ T27] audit: type=1800 audit(1581861661.736:40): pid=10230 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 Debian GNU/Linux 7 syzkaller ttyS0 syzkaller login: [ 97.900321][ T27] audit: type=1400 audit(1581861664.576:41): avc: denied { map } for pid=10409 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 '10.128.0.173' (ECDSA) to the list of known hosts. executing program [ 104.819990][ T27] audit: type=1400 audit(1581861671.496:42): avc: denied { map } for pid=10421 comm="syz-executor479" path="/root/syz-executor479025197" 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 [ 104.836841][T10422] IPVS: ftp: loaded support on port[0] = 21 [ 104.887827][ T27] audit: type=1400 audit(1581861671.566:43): avc: denied { prog_load } for pid=10422 comm="syz-executor479" 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 [ 104.918611][ T27] audit: type=1400 audit(1581861671.596:44): avc: denied { prog_run } for pid=10422 comm="syz-executor479" 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 [ 104.942922][T10422] BUG: unable to handle page fault for address: ffff887f94e76fff [ 104.950662][T10422] #PF: supervisor read access in kernel mode [ 104.956668][T10422] #PF: error_code(0x0000) - not-present page [ 104.962624][T10422] PGD 0 P4D 0 [ 104.965987][T10422] Oops: 0000 [#1] PREEMPT SMP KASAN [ 104.971173][T10422] CPU: 0 PID: 10422 Comm: syz-executor479 Not tainted 5.6.0-rc1-syzkaller #0 [ 104.979912][T10422] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 104.989973][T10422] RIP: 0010:do_xdp_generic.part.0+0x499/0x18e0 [ 104.996129][T10422] Code: ff 48 c1 ea 03 48 89 85 e8 fe ff ff 4c 89 f8 4c 29 f0 48 89 45 80 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 9c 11 00 00 <48> 8b 03 48 8d 7b 0c 48 ba 00 00 00 00 00 fc ff df 48 89 85 d8 fe [ 105.015841][T10422] RSP: 0018:ffffc9000616f770 EFLAGS: 00010246 [ 105.021900][T10422] RAX: dffffc0000000000 RBX: ffff887f94e76fff RCX: 00000000ffff0101 [ 105.029919][T10422] RDX: 1ffff10ff29cedff RSI: ffffffff863995b0 RDI: 0000000000000005 [ 105.037881][T10422] RBP: ffffc9000616f8b0 R08: ffff88807e27c5c0 R09: ffffed10129cce5d [ 105.045844][T10422] R10: ffffed10129cce5c R11: ffff888094e672e3 R12: ffff888093b41b40 [ 105.053801][T10422] R13: 0000000000000000 R14: 0000000000000100 R15: ffff888094e67100 [ 105.061764][T10422] FS: 0000000000dc7880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.070679][T10422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.077259][T10422] CR2: ffff887f94e76fff CR3: 00000000949b6000 CR4: 00000000001406f0 [ 105.085396][T10422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.093357][T10422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.101329][T10422] Call Trace: [ 105.104625][T10422] ? generic_xdp_tx+0x740/0x740 [ 105.109643][T10422] ? rcu_read_lock_held+0x9c/0xb0 [ 105.114696][T10422] do_xdp_generic+0x30/0x50 [ 105.119218][T10422] tun_get_user+0x2bcd/0x4020 [ 105.123933][T10422] ? __kasan_check_read+0x11/0x20 [ 105.128971][T10422] ? tun_build_skb.isra.0+0x1480/0x1480 [ 105.134508][T10422] ? rcu_read_lock_held+0x9c/0xb0 [ 105.139528][T10422] ? __kasan_check_read+0x11/0x20 [ 105.144545][T10422] tun_chr_write_iter+0xbd/0x156 [ 105.149830][T10422] do_iter_readv_writev+0x5f8/0x8f0 [ 105.155029][T10422] ? no_seek_end_llseek_size+0x70/0x70 [ 105.160613][T10422] ? rw_verify_area+0x126/0x360 [ 105.165460][T10422] do_iter_write+0x184/0x610 [ 105.170135][T10422] ? dup_iter+0x260/0x260 [ 105.174458][T10422] ? sendmsg_copy_msghdr+0x70/0x70 [ 105.179567][T10422] vfs_writev+0x1b3/0x2f0 [ 105.183893][T10422] ? vfs_iter_write+0xb0/0xb0 [ 105.188681][T10422] ? __do_sys_bpf+0x938/0x41e0 [ 105.193497][T10422] ? __fget_light+0x1ad/0x270 [ 105.198166][T10422] ? __fdget+0x1b/0x20 [ 105.202228][T10422] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 105.208462][T10422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.214699][T10422] ? __fget_light+0x1ad/0x270 [ 105.219362][T10422] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 105.225597][T10422] do_writev+0x15b/0x330 [ 105.229837][T10422] ? vfs_writev+0x2f0/0x2f0 [ 105.234380][T10422] ? do_syscall_64+0x26/0x790 [ 105.239049][T10422] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.245106][T10422] ? do_syscall_64+0x26/0x790 [ 105.249770][T10422] __x64_sys_writev+0x75/0xb0 [ 105.254540][T10422] do_syscall_64+0xfa/0x790 [ 105.259143][T10422] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 105.265024][T10422] RIP: 0033:0x4418c0 [ 105.268909][T10422] 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 97 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 [ 105.288647][T10422] RSP: 002b:00007ffec2e787a8 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 105.297065][T10422] RAX: ffffffffffffffda RBX: 00007ffec2e787c0 RCX: 00000000004418c0 [ 105.305039][T10422] RDX: 0000000000000001 RSI: 00007ffec2e787f0 RDI: 00000000000000f0 [ 105.313016][T10422] RBP: 0000000000000003 R08: 00000000bb1414ac R09: 00000000bb1414ac [ 105.320989][T10422] R10: 00000000bb1414ac R11: 0000000000000246 R12: 0000000000000000 [ 105.328963][T10422] R13: 0000000000402cb0 R14: 0000000000000000 R15: 0000000000000000 [ 105.336939][T10422] Modules linked in: [ 105.340816][T10422] CR2: ffff887f94e76fff [ 105.344952][T10422] ---[ end trace 0988fcdff83c5b77 ]--- [ 105.350404][T10422] RIP: 0010:do_xdp_generic.part.0+0x499/0x18e0 [ 105.356545][T10422] Code: ff 48 c1 ea 03 48 89 85 e8 fe ff ff 4c 89 f8 4c 29 f0 48 89 45 80 48 b8 00 00 00 00 00 fc ff df 80 3c 02 00 0f 85 9c 11 00 00 <48> 8b 03 48 8d 7b 0c 48 ba 00 00 00 00 00 fc ff df 48 89 85 d8 fe [ 105.376166][T10422] RSP: 0018:ffffc9000616f770 EFLAGS: 00010246 [ 105.382273][T10422] RAX: dffffc0000000000 RBX: ffff887f94e76fff RCX: 00000000ffff0101 [ 105.390249][T10422] RDX: 1ffff10ff29cedff RSI: ffffffff863995b0 RDI: 0000000000000005 [ 105.398273][T10422] RBP: ffffc9000616f8b0 R08: ffff88807e27c5c0 R09: ffffed10129cce5d [ 105.406235][T10422] R10: ffffed10129cce5c R11: ffff888094e672e3 R12: ffff888093b41b40 [ 105.414240][T10422] R13: 0000000000000000 R14: 0000000000000100 R15: ffff888094e67100 [ 105.422385][T10422] FS: 0000000000dc7880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000 [ 105.431334][T10422] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 105.437959][T10422] CR2: ffff887f94e76fff CR3: 00000000949b6000 CR4: 00000000001406f0 [ 105.445950][T10422] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 105.453925][T10422] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 105.461884][T10422] Kernel panic - not syncing: Fatal exception in interrupt [ 105.470807][T10422] Kernel Offset: disabled [ 105.475134][T10422] Rebooting in 86400 seconds..