[ 78.206736][ T27] audit: type=1400 audit(1576542728.112:37): avc: denied { watch } for pid=9720 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
[ 78.238351][ T27] audit: type=1400 audit(1576542728.112:38): avc: denied { watch } for pid=9720 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[1G[[32m ok [39;49m8[?25h[?0c.
[....] Starting OpenBSD Secure Shell server: sshd[?25l[?1c7[1G[[32m ok [39;49m8[?25h[?0c.
[ 78.497138][ T27] audit: type=1800 audit(1576542728.402:39): pid=9626 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
[ 78.519507][ T27] audit: type=1800 audit(1576542728.402:40): pid=9626 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: [ 83.497550][ T27] audit: type=1400 audit(1576542733.402:41): avc: denied { map } for pid=9802 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 '10.128.0.37' (ECDSA) to the list of known hosts.
executing program
[ 90.140961][ T27] audit: type=1400 audit(1576542740.042:42): avc: denied { map } for pid=9814 comm="syz-executor118" path="/root/syz-executor118945732" 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
[ 90.226367][ T9814] BUG: unable to handle page fault for address: 000000010000000e
[ 90.226375][ T9814] #PF: supervisor write access in kernel mode
[ 90.226381][ T9814] #PF: error_code(0x0002) - not-present page
[ 90.226387][ T9814] PGD a8f00067 P4D a8f00067 PUD 0
[ 90.226411][ T9814] Oops: 0002 [#1] PREEMPT SMP KASAN
[ 90.226424][ T9814] CPU: 0 PID: 9814 Comm: syz-executor118 Not tainted 5.5.0-rc1-syzkaller #0
[ 90.226431][ T9814] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 90.226452][ T9814] RIP: 0010:insert_char+0x23d/0x400
[ 90.226463][ T9814] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 1e 01 00 00 d1 eb 41 0f b7 85 c8 03 00 00 4c 89 ff 89 d9 <f3> 66 ab 49 8d bd 78 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
[ 90.226470][ T9814] RSP: 0018:ffffc90001d77858 EFLAGS: 00010202
[ 90.226480][ T9814] RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
[ 90.226493][ T9814] RDX: 1ffff11015263879 RSI: 000000010000000e RDI: 000000010000000e
[ 90.226501][ T9814] RBP: ffffc90001d778a0 R08: ffff8880a8084600 R09: ffff8880a8084e90
[ 90.226507][ T9814] R10: fffffbfff14f3388 R11: ffffffff8a799c47 R12: 0000000000000000
[ 90.226519][ T9814] R13: ffff8880a931c000 R14: ffff8880a931c334 R15: 000000010000000e
[ 90.226528][ T9814] FS: 00000000017c5880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 90.226535][ T9814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.226543][ T9814] CR2: 000000010000000e CR3: 0000000093247000 CR4: 00000000001406f0
[ 90.226552][ T9814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 90.226558][ T9814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 90.226561][ T9814] Call Trace:
[ 90.226577][ T9814] do_con_trol+0x41a6/0x61b0
[ 90.226591][ T9814] ? reset_palette+0x190/0x190
[ 90.226606][ T9814] ? __kasan_check_read+0x11/0x20
[ 90.226622][ T9814] ? __atomic_notifier_call_chain+0xf8/0x1a0
[ 90.226636][ T9814] do_con_write.part.0+0xfd9/0x1ef0
[ 90.226662][ T9814] ? do_con_trol+0x61b0/0x61b0
[ 90.226675][ T9814] ? _raw_spin_unlock_irqrestore+0x66/0xe0
[ 90.226684][ T9814] ? add_wait_queue+0x112/0x170
[ 90.226693][ T9814] ? _raw_spin_unlock_irqrestore+0x66/0xe0
[ 90.226708][ T9814] ? trace_hardirqs_on+0x67/0x240
[ 90.226722][ T9814] con_write+0x46/0xd0
[ 90.226740][ T9814] n_tty_write+0x40e/0x1080
[ 90.226759][ T9814] ? n_tty_read+0x1bf0/0x1bf0
[ 90.226772][ T9814] ? prepare_to_wait_exclusive+0x320/0x320
[ 90.226789][ T9814] ? __sanitizer_cov_trace_const_cmp8+0x18/0x20
[ 90.226803][ T9814] ? _copy_from_user+0x12c/0x1a0
[ 90.226815][ T9814] tty_write+0x496/0x7f0
[ 90.226828][ T9814] ? n_tty_read+0x1bf0/0x1bf0
[ 90.226843][ T9814] __vfs_write+0x8a/0x110
[ 90.226853][ T9814] ? put_tty_driver+0x20/0x20
[ 90.226864][ T9814] vfs_write+0x268/0x5d0
[ 90.226876][ T9814] ksys_write+0x14f/0x290
[ 90.226887][ T9814] ? __ia32_sys_read+0xb0/0xb0
[ 90.226902][ T9814] ? do_syscall_64+0x26/0x790
[ 90.226913][ T9814] ? entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 90.226925][ T9814] ? do_syscall_64+0x26/0x790
[ 90.226941][ T9814] __x64_sys_write+0x73/0xb0
[ 90.226954][ T9814] do_syscall_64+0xfa/0x790
[ 90.226970][ T9814] entry_SYSCALL_64_after_hwframe+0x49/0xbe
[ 90.226980][ T9814] RIP: 0033:0x4404f9
[ 90.226992][ T9814] 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
[ 90.226999][ T9814] RSP: 002b:00007ffc83bd1908 EFLAGS: 00000246 ORIG_RAX: 0000000000000001
[ 90.227010][ T9814] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 00000000004404f9
[ 90.227017][ T9814] RDX: 0000000000000078 RSI: 0000000020000000 RDI: 0000000000000004
[ 90.227024][ T9814] RBP: 00000000006ca018 R08: 0000000000000000 R09: 00000000004002c8
[ 90.227037][ T9814] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401de0
[ 90.227045][ T9814] R13: 0000000000401e70 R14: 0000000000000000 R15: 0000000000000000
[ 90.227056][ T9814] Modules linked in:
[ 90.227067][ T9814] CR2: 000000010000000e
[ 90.227081][ T9814] ---[ end trace b0b1370fee75d638 ]---
[ 90.227096][ T9814] RIP: 0010:insert_char+0x23d/0x400
[ 90.227108][ T9814] Code: 00 fc ff df 48 89 fa 48 c1 ea 03 0f b6 04 02 84 c0 74 08 3c 01 0f 8e 1e 01 00 00 d1 eb 41 0f b7 85 c8 03 00 00 4c 89 ff 89 d9 <f3> 66 ab 49 8d bd 78 04 00 00 48 b8 00 00 00 00 00 fc ff df 48 89
[ 90.227114][ T9814] RSP: 0018:ffffc90001d77858 EFLAGS: 00010202
[ 90.227124][ T9814] RAX: 0000000000000720 RBX: 0000000000000001 RCX: 0000000000000001
[ 90.227132][ T9814] RDX: 1ffff11015263879 RSI: 000000010000000e RDI: 000000010000000e
[ 90.227141][ T9814] RBP: ffffc90001d778a0 R08: ffff8880a8084600 R09: ffff8880a8084e90
[ 90.227150][ T9814] R10: fffffbfff14f3388 R11: ffffffff8a799c47 R12: 0000000000000000
[ 90.227158][ T9814] R13: ffff8880a931c000 R14: ffff8880a931c334 R15: 000000010000000e
[ 90.227168][ T9814] FS: 00000000017c5880(0000) GS:ffff8880ae800000(0000) knlGS:0000000000000000
[ 90.227176][ T9814] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 90.227182][ T9814] CR2: 000000010000000e CR3: 0000000093247000 CR4: 00000000001406f0
[ 90.227192][ T9814] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 90.227200][ T9814] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 90.227207][ T9814] Kernel panic - not syncing: Fatal exception
[ 90.228969][ T9814] Kernel Offset: disabled
[ 90.747946][ T9814] Rebooting in 86400 seconds..