[ 96.177334][ T24] audit: type=1400 audit(1579703920.114:37): avc: denied { watch } for pid=9868 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 [ 96.229178][ T24] audit: type=1400 audit(1579703920.114:38): avc: denied { watch } for pid=9868 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 [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [ 96.538858][ T24] audit: type=1800 audit(1579703920.474:39): pid=9775 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 [ 96.560538][ T24] audit: type=1800 audit(1579703920.474:40): pid=9775 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: [ 100.603802][ T24] audit: type=1400 audit(1579703924.534:41): avc: denied { map } for pid=9952 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 '10.128.0.176' (ECDSA) to the list of known hosts. executing program [ 109.120723][ T24] audit: type=1400 audit(1579703933.054:42): avc: denied { map } for pid=9964 comm="syz-executor205" path="/root/syz-executor205560018" dev="sda1" ino=16483 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 109.135232][ T9965] IPVS: ftp: loaded support on port[0] = 21 [ 109.185410][ T24] audit: type=1400 audit(1579703933.124:43): avc: denied { prog_load } for pid=9966 comm="syz-executor205" 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 [ 109.216090][ T24] audit: type=1400 audit(1579703933.154:44): avc: denied { prog_run } for pid=9966 comm="syz-executor205" 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 [ 109.239690][ T24] audit: type=1400 audit(1579703933.154:45): avc: denied { open } for pid=9966 comm="syz-executor205" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 109.263393][ T24] audit: type=1400 audit(1579703933.154:46): avc: denied { kernel } for pid=9966 comm="syz-executor205" scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tclass=perf_event permissive=1 [ 109.310615][ C1] hrtimer: interrupt took 27331 ns [ 109.320601][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.329451][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.337869][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.347350][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.356216][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.364463][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.372854][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.381297][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.389682][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. [ 109.397958][ T9966] netlink: 'syz-executor205': attribute type 1 has an invalid length. executing program [ 109.489214][ T9967] BUG: unable to handle page fault for address: ffff887f8f296fff [ 109.496930][ T9967] #PF: supervisor read access in kernel mode [ 109.502881][ T9967] #PF: error_code(0x0000) - not-present page [ 109.508872][ T9967] PGD 0 P4D 0 [ 109.512220][ T9967] Oops: 0000 [#1] PREEMPT SMP KASAN [ 109.517404][ T9967] CPU: 1 PID: 9967 Comm: syz-executor205 Not tainted 5.5.0-rc7-syzkaller #0 [ 109.526043][ T9967] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 109.536080][ T9967] RIP: 0010:do_xdp_generic.part.0+0x479/0x1790 [ 109.542211][ T9967] Code: 03 48 89 85 f0 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 a5 78 ff ff ff 80 3c 02 00 48 89 8d c8 fe ff ff 0f 85 9e 10 00 00 <49> 8b 04 24 49 8d 7c 24 0c 48 ba 00 00 00 00 00 fc ff df 48 89 85 [ 109.561798][ T9967] RSP: 0018:ffffc90000e77770 EFLAGS: 00010246 [ 109.567844][ T9967] RAX: dffffc0000000000 RBX: ffff88808f287000 RCX: ffffffff0000feff [ 109.575801][ T9967] RDX: 1ffff10ff1e52dff RSI: ffff88809d8ed930 RDI: 0000000000000005 [ 109.583758][ T9967] RBP: ffffc90000e778b0 R08: ffff8880909c24c0 R09: ffffed1011e50e5d [ 109.591710][ T9967] R10: ffffed1011e50e5c R11: ffff88808f2872e3 R12: ffff887f8f296fff [ 109.599664][ T9967] R13: 0000000000000100 R14: ffff88808f296fff R15: ffff88809d8ed8c0 [ 109.607618][ T9967] FS: 0000000000c5c880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 109.616527][ T9967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.623086][ T9967] CR2: ffff887f8f296fff CR3: 0000000095b36000 CR4: 00000000001406e0 [ 109.631037][ T9967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.639000][ T9967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.646946][ T9967] Call Trace: [ 109.650229][ T9967] ? generic_xdp_tx+0x740/0x740 [ 109.655059][ T9967] ? rcu_read_lock_held+0x9c/0xb0 [ 109.660067][ T9967] do_xdp_generic+0x30/0x50 [ 109.664553][ T9967] tun_get_user+0x2bcd/0x3fc0 [ 109.669203][ T9967] ? __kasan_check_read+0x11/0x20 [ 109.674206][ T9967] ? tun_build_skb.isra.0+0x1470/0x1470 [ 109.679728][ T9967] ? rcu_read_lock_held+0x9c/0xb0 [ 109.684727][ T9967] ? __kasan_check_read+0x11/0x20 [ 109.689730][ T9967] tun_chr_write_iter+0xbd/0x156 [ 109.694685][ T9967] do_iter_readv_writev+0x5f8/0x8f0 [ 109.699875][ T9967] ? no_seek_end_llseek_size+0x70/0x70 [ 109.705320][ T9967] ? rw_verify_area+0x126/0x360 [ 109.710196][ T9967] do_iter_write+0x184/0x610 [ 109.714764][ T9967] ? dup_iter+0x260/0x260 [ 109.719078][ T9967] vfs_writev+0x1b3/0x2f0 [ 109.723376][ T9967] ? vfs_iter_write+0xb0/0xb0 [ 109.728022][ T9967] ? find_held_lock+0x35/0x130 [ 109.732763][ T9967] ? __do_page_fault+0x56a/0xd80 [ 109.737675][ T9967] ? lock_downgrade+0x920/0x920 [ 109.742501][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.748715][ T9967] ? __fget_light+0x1a9/0x230 [ 109.753369][ T9967] ? __sanitizer_cov_trace_const_cmp4+0x16/0x20 [ 109.759592][ T9967] do_writev+0x15b/0x330 [ 109.763821][ T9967] ? vfs_writev+0x2f0/0x2f0 [ 109.768302][ T9967] ? do_syscall_64+0x26/0x790 [ 109.772953][ T9967] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.779033][ T9967] ? do_syscall_64+0x26/0x790 [ 109.783684][ T9967] __x64_sys_writev+0x75/0xb0 [ 109.788340][ T9967] do_syscall_64+0xfa/0x790 [ 109.792816][ T9967] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 109.798679][ T9967] RIP: 0033:0x446120 [ 109.802549][ T9967] Code: 05 48 3d 01 f0 ff ff 0f 83 7d cd fb ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d f1 4e 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 54 cd fb ff c3 48 83 ec 08 e8 ba 2b 00 00 [ 109.822126][ T9967] RSP: 002b:00007ffe9eabcf38 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 109.830643][ T9967] RAX: ffffffffffffffda RBX: 00007ffe9eabcf50 RCX: 0000000000446120 [ 109.838586][ T9967] RDX: 0000000000000001 RSI: 00007ffe9eabcf80 RDI: 00000000000000f0 [ 109.846528][ T9967] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000004 [ 109.854471][ T9967] R10: 0000000000000000 R11: 0000000000000246 R12: 000000000001aa6b [ 109.862420][ T9967] R13: 0000000000403390 R14: 0000000000000000 R15: 0000000000000000 [ 109.870366][ T9967] Modules linked in: [ 109.874231][ T9967] CR2: ffff887f8f296fff [ 109.878366][ T9967] ---[ end trace 1c9649d0b1b13996 ]--- [ 109.883830][ T9967] RIP: 0010:do_xdp_generic.part.0+0x479/0x1790 [ 109.890085][ T9967] Code: 03 48 89 85 f0 fe ff ff 48 b8 00 00 00 00 00 fc ff df 4c 89 a5 78 ff ff ff 80 3c 02 00 48 89 8d c8 fe ff ff 0f 85 9e 10 00 00 <49> 8b 04 24 49 8d 7c 24 0c 48 ba 00 00 00 00 00 fc ff df 48 89 85 [ 109.909665][ T9967] RSP: 0018:ffffc90000e77770 EFLAGS: 00010246 [ 109.915706][ T9967] RAX: dffffc0000000000 RBX: ffff88808f287000 RCX: ffffffff0000feff [ 109.923654][ T9967] RDX: 1ffff10ff1e52dff RSI: ffff88809d8ed930 RDI: 0000000000000005 [ 109.931618][ T9967] RBP: ffffc90000e778b0 R08: ffff8880909c24c0 R09: ffffed1011e50e5d [ 109.939601][ T9967] R10: ffffed1011e50e5c R11: ffff88808f2872e3 R12: ffff887f8f296fff [ 109.947554][ T9967] R13: 0000000000000100 R14: ffff88808f296fff R15: ffff88809d8ed8c0 [ 109.955499][ T9967] FS: 0000000000c5c880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 109.964402][ T9967] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 109.970960][ T9967] CR2: ffff887f8f296fff CR3: 0000000095b36000 CR4: 00000000001406e0 [ 109.978902][ T9967] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 109.986844][ T9967] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 109.994787][ T9967] Kernel panic - not syncing: Fatal exception in interrupt [ 110.003267][ T9967] Kernel Offset: disabled [ 110.007589][ T9967] Rebooting in 86400 seconds..