[ 103.158787][ T26] audit: type=1400 audit(1582110262.547:37): avc: denied { watch } for pid=10217 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 [ 103.194576][ T26] audit: type=1400 audit(1582110262.577:38): avc: denied { watch } for pid=10217 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 OpenBSD Secure Shell server: sshd[?25l[?1c7[ ok 8[?25h[?0c. [....] Starting file context maintaining daemon: restorecond[?25l[?1c7[ ok 8[?25h[?0c. [ 103.378627][ T26] audit: type=1800 audit(1582110262.767:39): pid=10123 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 [ 103.400367][ T26] audit: type=1800 audit(1582110262.767:40): pid=10123 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: [ 105.814719][ T26] audit: type=1400 audit(1582110265.207:41): avc: denied { map } for pid=10298 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 '10.128.0.143' (ECDSA) to the list of known hosts. executing program [ 112.635322][ T26] audit: type=1400 audit(1582110272.027:42): avc: denied { map } for pid=10310 comm="syz-executor575" path="/root/syz-executor575493137" dev="sda1" ino=16484 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1 [ 112.718805][T10310] general protection fault, probably for non-canonical address 0xdffffc0020000001: 0000 [#1] PREEMPT SMP KASAN [ 112.718816][T10310] KASAN: probably user-memory-access in range [0x0000000100000008-0x000000010000000f] [ 112.718830][T10310] CPU: 1 PID: 10310 Comm: syz-executor575 Not tainted 5.6.0-rc2-syzkaller #0 [ 112.718837][T10310] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011 [ 112.718857][T10310] RIP: 0010:do_con_write.part.0+0xa01/0x1ef0 [ 112.718870][T10310] Code: 7e fe ff ff 45 01 ef e8 fd 37 81 fd 48 8b 85 c8 fe ff ff 80 38 00 0f 85 71 12 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 [ 112.718876][T10310] RSP: 0018:ffffc90001f279e0 EFLAGS: 00010203 [ 112.718886][T10310] RAX: 0000000020000001 RBX: 000000010000000e RCX: ffffffff83f45a40 [ 112.718892][T10310] RDX: 0000000000000000 RSI: ffffffff83f45a93 RDI: 0000000000000003 [ 112.718899][T10310] RBP: ffffc90001f27b70 R08: ffff888091f0a000 R09: ffff888091f0a890 [ 112.718907][T10310] R10: fffffbfff154b538 R11: ffffffff8aa5a9c7 R12: dffffc0000000000 [ 112.718913][T10310] R13: 0000000000000000 R14: ffff8880a6a5d000 R15: 000000000000074d [ 112.718924][T10310] FS: 00000000009ed880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 112.718932][T10310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.718940][T10310] CR2: 0000000000455310 CR3: 0000000094845000 CR4: 00000000001406e0 [ 112.718950][T10310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.718958][T10310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 112.718961][T10310] Call Trace: [ 112.718991][T10310] ? do_con_trol+0x61b0/0x61b0 [ 112.719008][T10310] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 112.719020][T10310] ? add_wait_queue+0x112/0x170 [ 112.719034][T10310] ? _raw_spin_unlock_irqrestore+0x66/0xe0 [ 112.719052][T10310] ? trace_hardirqs_on+0x67/0x240 [ 112.719070][T10310] con_write+0x46/0xd0 [ 112.719085][T10310] n_tty_write+0x40e/0x1080 [ 112.719113][T10310] ? n_tty_read+0x1bf0/0x1bf0 [ 112.719141][T10310] ? prepare_to_wait_exclusive+0x320/0x320 [ 112.719160][T10310] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20 [ 112.719174][T10310] ? _copy_from_user+0x12c/0x1a0 [ 112.719188][T10310] tty_write+0x496/0x7f0 [ 112.719203][T10310] ? n_tty_read+0x1bf0/0x1bf0 [ 112.719221][T10310] __vfs_write+0x8a/0x110 [ 112.719231][T10310] ? put_tty_driver+0x20/0x20 [ 112.719246][T10310] vfs_write+0x268/0x5d0 [ 112.719264][T10310] ksys_write+0x14f/0x290 [ 112.719280][T10310] ? __ia32_sys_read+0xb0/0xb0 [ 112.719296][T10310] ? do_syscall_64+0x26/0x790 [ 112.719310][T10310] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.719323][T10310] ? do_syscall_64+0x26/0x790 [ 112.719341][T10310] __x64_sys_write+0x73/0xb0 [ 112.719357][T10310] do_syscall_64+0xfa/0x790 [ 112.719375][T10310] entry_SYSCALL_64_after_hwframe+0x49/0xbe [ 112.719385][T10310] RIP: 0033:0x4403c9 [ 112.719398][T10310] Code: 18 89 d0 c3 66 2e 0f 1f 84 00 00 00 00 00 0f 1f 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 5b 14 fc ff c3 66 2e 0f 1f 84 00 00 00 00 [ 112.719405][T10310] RSP: 002b:00007ffd13169728 EFLAGS: 00000246 ORIG_RAX: 0000000000000001 [ 112.719417][T10310] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004403c9 [ 112.719425][T10310] RDX: 0000000000000002 RSI: 0000000020002b40 RDI: 0000000000000004 [ 112.719433][T10310] RBP: 00000000006ca018 R08: 000000000000000e R09: 00000000004002c8 [ 112.719439][T10310] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401cb0 [ 112.719446][T10310] R13: 0000000000401d40 R14: 0000000000000000 R15: 0000000000000000 [ 112.719467][T10310] Modules linked in: [ 112.719482][T10310] ---[ end trace f7b8fbab569af357 ]--- [ 112.719496][T10310] RIP: 0010:do_con_write.part.0+0xa01/0x1ef0 [ 112.719508][T10310] Code: 7e fe ff ff 45 01 ef e8 fd 37 81 fd 48 8b 85 c8 fe ff ff 80 38 00 0f 85 71 12 00 00 49 8b 9e a0 03 00 00 48 89 d8 48 c1 e8 03 <42> 0f b6 14 20 48 89 d8 83 e0 07 83 c0 01 38 d0 7c 08 84 d2 0f 85 [ 112.719514][T10310] RSP: 0018:ffffc90001f279e0 EFLAGS: 00010203 [ 112.719524][T10310] RAX: 0000000020000001 RBX: 000000010000000e RCX: ffffffff83f45a40 [ 112.719531][T10310] RDX: 0000000000000000 RSI: ffffffff83f45a93 RDI: 0000000000000003 [ 112.719540][T10310] RBP: ffffc90001f27b70 R08: ffff888091f0a000 R09: ffff888091f0a890 [ 112.719549][T10310] R10: fffffbfff154b538 R11: ffffffff8aa5a9c7 R12: dffffc0000000000 [ 112.719558][T10310] R13: 0000000000000000 R14: ffff8880a6a5d000 R15: 000000000000074d [ 112.719569][T10310] FS: 00000000009ed880(0000) GS:ffff8880ae900000(0000) knlGS:0000000000000000 [ 112.719578][T10310] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 112.719587][T10310] CR2: 0000000000455310 CR3: 0000000094845000 CR4: 00000000001406e0 [ 112.719598][T10310] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 112.719606][T10310] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 112.719612][T10310] Kernel panic - not syncing: Fatal exception [ 112.721027][T10310] Kernel Offset: disabled [ 113.194210][T10310] Rebooting in 86400 seconds..