Starting mcstransd: [....] Starting periodic command scheduler: cron[?25l[?1c7[ ok 8[?25h[?0c. [ 8.646793][ T22] audit: type=1400 audit(1579482398.733:10): avc: denied { watch } for pid=1791 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 [ 8.654034][ T22] audit: type=1400 audit(1579482398.733:11): avc: denied { watch } for pid=1791 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: [ 11.617629][ T22] audit: type=1400 audit(1579482401.703:12): 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 '10.128.0.240' (ECDSA) to the list of known hosts. executing program [ 17.704931][ T22] audit: type=1400 audit(1579482407.783:13): avc: denied { map } for pid=1878 comm="syz-executor489" path="/root/syz-executor489836733" 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 [ 17.722587][ T22] audit: type=1400 audit(1579482407.803:14): avc: denied { create } for pid=1880 comm="syz-executor489" 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 [ 17.740102][ T22] audit: type=1400 audit(1579482407.803:15): avc: denied { map_create } for pid=1880 comm="syz-executor489" 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 [ 17.763701][ T22] audit: type=1400 audit(1579482407.803:16): avc: denied { map_read map_write } for pid=1880 comm="syz-executor489" 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 [ 17.763998][ T1880] netlink: 'syz-executor489': attribute type 1 has an invalid length. [ 17.788001][ T22] audit: type=1400 audit(1579482407.803:17): avc: denied { prog_load } for pid=1880 comm="syz-executor489" 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 [ 17.796157][ T1880] netlink: 'syz-executor489': attribute type 1 has an invalid length. [ 17.819540][ T22] audit: type=1400 audit(1579482407.853:18): avc: denied { prog_run } for pid=1880 comm="syz-executor489" 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 [ 17.828159][ T1880] netlink: 'syz-executor489': attribute type 1 has an invalid length. [ 17.859064][ T1880] netlink: 'syz-executor489': attribute type 1 has an invalid length. [ 17.867245][ T1880] netlink: 'syz-executor489': attribute type 1 has an invalid length. [ 17.875410][ T1880] netlink: 'syz-executor489': attribute type 1 has an invalid length. executing program [ 17.937501][ T1881] BUG: unable to handle page fault for address: ffffed101a0caeff [ 17.945225][ T1881] #PF: supervisor read access in kernel mode [ 17.951224][ T1881] #PF: error_code(0x0000) - not-present page [ 17.957173][ T1881] PGD 21fff7067 P4D 21fff7067 PUD 21fff6067 PMD 0 [ 17.963752][ T1881] Oops: 0000 [#1] PREEMPT SMP KASAN [ 17.969009][ T1881] CPU: 0 PID: 1881 Comm: syz-executor489 Not tainted 5.4.13-syzkaller-00760-gb0b02162a4b8 #0 [ 17.979127][ T1881] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 17.989165][ T1881] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 17.994683][ T1881] 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 [ 18.014264][ T1881] RSP: 0018:ffff8881d079f680 EFLAGS: 00010a07 [ 18.020353][ T1881] RAX: 1ffff1101a0caeff RBX: ffff8881d079f788 RCX: 1ffff1103a0f3ef1 [ 18.028300][ T1881] RDX: ffff8881d0d0d934 RSI: 0000000000000000 RDI: ffff8881d079f798 [ 18.036251][ T1881] RBP: ffff8881d079f830 R08: ffffffff82da194b R09: ffffed103a0c8f5d [ 18.044264][ T1881] R10: ffffed103a0c8f5d R11: 0000000000000000 R12: ffff8880d064794c [ 18.052237][ T1881] R13: ffff8881d0647800 R14: dffffc0000000000 R15: ffff8880d06577ff [ 18.060207][ T1881] FS: 00000000020e1880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 18.069168][ T1881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.075724][ T1881] CR2: ffffed101a0caeff CR3: 00000001d1e96005 CR4: 00000000001606f0 [ 18.083669][ T1881] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.091613][ T1881] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.099559][ T1881] Call Trace: [ 18.102825][ T1881] ? __kasan_check_write+0x14/0x20 [ 18.107930][ T1881] ? _copy_from_iter+0x886/0xaa0 [ 18.112847][ T1881] ? generic_xdp_tx+0x4f0/0x4f0 [ 18.117709][ T1881] ? tun_get_user+0x3cd0/0x3cd0 [ 18.122530][ T1881] tun_get_user+0x2498/0x3cd0 [ 18.127181][ T1881] ? __kasan_check_read+0x11/0x20 [ 18.132559][ T1881] ? __alloc_pages_nodemask+0x52d/0x3010 [ 18.138160][ T1881] ? tun_do_read+0x1f10/0x1f10 [ 18.142893][ T1881] ? file_remove_privs+0x630/0x630 [ 18.147976][ T1881] ? pipe_write+0x1005/0x1220 [ 18.152622][ T1881] ? __rcu_read_lock+0x50/0x50 [ 18.157359][ T1881] ? __rcu_read_lock+0x50/0x50 [ 18.162092][ T1881] ? __memcg_kmem_charge_memcg+0x340/0x340 [ 18.167871][ T1881] tun_chr_write_iter+0x134/0x1c0 [ 18.172879][ T1881] do_iter_readv_writev+0x5fa/0x890 [ 18.178061][ T1881] ? vfs_dedupe_file_range+0xa00/0xa00 [ 18.183493][ T1881] ? security_file_permission+0x157/0x350 [ 18.189185][ T1881] ? rw_verify_area+0x1c2/0x360 [ 18.194005][ T1881] do_iter_write+0x180/0x590 [ 18.198583][ T1881] do_writev+0x2cd/0x560 [ 18.202796][ T1881] ? do_readv+0x400/0x400 [ 18.207106][ T1881] ? __up_read+0x6f/0x1b0 [ 18.211446][ T1881] ? __down_read+0x240/0x240 [ 18.216009][ T1881] ? do_user_addr_fault+0x6b7/0xb50 [ 18.221179][ T1881] __x64_sys_writev+0x7d/0x90 [ 18.225869][ T1881] do_syscall_64+0xc0/0x100 [ 18.230384][ T1881] entry_SYSCALL_64_after_hwframe+0x44/0xa9 [ 18.236250][ T1881] RIP: 0033:0x442540 [ 18.240118][ T1881] Code: 05 48 3d 01 f0 ff ff 0f 83 5d 09 fc ff c3 66 2e 0f 1f 84 00 00 00 00 00 66 90 83 3d f1 8a 29 00 00 75 14 b8 14 00 00 00 0f 05 <48> 3d 01 f0 ff ff 0f 83 34 09 fc ff c3 48 83 ec 08 e8 ba 2b 00 00 [ 18.259793][ T1881] RSP: 002b:00007ffe2cf31308 EFLAGS: 00000246 ORIG_RAX: 0000000000000014 [ 18.268180][ T1881] RAX: ffffffffffffffda RBX: 00007ffe2cf31320 RCX: 0000000000442540 [ 18.276135][ T1881] RDX: 0000000000000001 RSI: 00007ffe2cf31350 RDI: 00000000000000f0 [ 18.284239][ T1881] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000000004 [ 18.292187][ T1881] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000004529 [ 18.300137][ T1881] R13: 0000000000403390 R14: 0000000000000000 R15: 0000000000000000 [ 18.308088][ T1881] Modules linked in: [ 18.311963][ T1881] CR2: ffffed101a0caeff [ 18.316088][ T1881] ---[ end trace 3c632747472675e8 ]--- [ 18.321549][ T1881] RIP: 0010:do_xdp_generic+0x603/0x1500 [ 18.327154][ T1881] 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 [ 18.346850][ T1881] RSP: 0018:ffff8881d079f680 EFLAGS: 00010a07 [ 18.352891][ T1881] RAX: 1ffff1101a0caeff RBX: ffff8881d079f788 RCX: 1ffff1103a0f3ef1 [ 18.360849][ T1881] RDX: ffff8881d0d0d934 RSI: 0000000000000000 RDI: ffff8881d079f798 [ 18.368823][ T1881] RBP: ffff8881d079f830 R08: ffffffff82da194b R09: ffffed103a0c8f5d [ 18.376912][ T1881] R10: ffffed103a0c8f5d R11: 0000000000000000 R12: ffff8880d064794c [ 18.384857][ T1881] R13: ffff8881d0647800 R14: dffffc0000000000 R15: ffff8880d06577ff [ 18.392822][ T1881] FS: 00000000020e1880(0000) GS:ffff8881dba00000(0000) knlGS:0000000000000000 [ 18.401740][ T1881] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 18.408314][ T1881] CR2: ffffed101a0caeff CR3: 00000001d1e96005 CR4: 00000000001606f0 [ 18.416261][ T1881] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 18.424208][ T1881] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 18.432184][ T1881] Kernel panic - not syncing: Fatal exception in interrupt [ 18.440104][ T1881] Kernel Offset: disabled [ 18.444412][ T1881] Rebooting in 86400 seconds..