[....] 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: [   32.331648] random: sshd: uninitialized urandom read (32 bytes read)
[   32.761618] audit: type=1400 audit(1548535181.641:6): avc:  denied  { map } for  pid=1774 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
[   32.809339] random: sshd: uninitialized urandom read (32 bytes read)
[   33.295451] random: sshd: uninitialized urandom read (32 bytes read)
[   33.445283] random: sshd: uninitialized urandom read (32 bytes read)
Warning: Permanently added '10.128.0.238' (ECDSA) to the list of known hosts.
[   39.177904] random: sshd: uninitialized urandom read (32 bytes read)
[   39.267391] audit: type=1400 audit(1548535188.141:7): avc:  denied  { map } for  pid=1786 comm="syz-execprog" path="/root/syz-execprog" dev="sda1" ino=1426 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:user_home_t:s0 tclass=file permissive=1
2019/01/26 20:39:48 parsed 1 programs
[   40.041699] audit: type=1400 audit(1548535188.921:8): avc:  denied  { map } for  pid=1786 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=5005 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1
[   40.728952] random: cc1: uninitialized urandom read (8 bytes read)
2019/01/26 20:39:50 executed programs: 0
[   42.035994] audit: type=1400 audit(1548535190.911:9): avc:  denied  { map } for  pid=1786 comm="syz-execprog" path="/root/syzkaller-shm756166050" dev="sda1" ino=16482 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=unconfined_u:object_r:file_t:s0 tclass=file permissive=1
2019/01/26 20:39:55 executed programs: 19
[   48.530464] kasan: CONFIG_KASAN_INLINE enabled
[   48.535183] kasan: GPF could be caused by NULL-ptr deref or user memory access
[   48.542681] general protection fault: 0000 [#1] PREEMPT SMP KASAN NOPTI
[   48.549417] Modules linked in:
[   48.552583] CPU: 1 PID: 1824 Comm: syz-executor0 Not tainted 4.14.96+ #19
[   48.559480] task: ffff8881cff98000 task.stack: ffff8881cefe8000
[   48.565573] RIP: 0010:kobject_uevent_env+0x62/0xc60
[   48.570557] RSP: 0018:ffff8881cefefab0 EFLAGS: 00010206
[   48.575905] RAX: 0000000000000018 RBX: 0000000000000002 RCX: 1ffff11039ff3104
[   48.583202] RDX: 0000000000000000 RSI: 0000000000000002 RDI: 00000000000000c0
[   48.590466] RBP: ffff8881d6082ed0 R08: 0000000000000001 R09: 0000000000000001
[   48.597735] R10: ffff8881cff98858 R11: 0000000000000001 R12: 00000000000000a0
[   48.604994] R13: dffffc0000000000 R14: ffff8881d6082e48 R15: 00000000000000a0
[   48.612251] FS:  0000000000b9a940(0000) GS:ffff8881dbb00000(0000) knlGS:0000000000000000
[   48.620449] CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[   48.626307] CR2: 00007f97b2e4da20 CR3: 00000001d66d4002 CR4: 00000000001606a0
[   48.633552] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[   48.640800] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[   48.648064] Call Trace:
[   48.650640]  loop_clr_fd+0x49e/0xac0
[   48.654337]  lo_ioctl+0x813/0x1970
[   48.657864]  ? kasan_slab_free+0xb0/0x190
[   48.662002]  ? kmem_cache_free+0xc4/0x330
[   48.666131]  ? putname+0xcd/0x110
[   48.669562]  ? do_sys_open+0x250/0x590
[   48.673435]  ? do_syscall_64+0x19b/0x4b0
[   48.677473]  ? loop_clr_fd+0xac0/0xac0
[   48.681355]  blkdev_ioctl+0x4d9/0x1810
[   48.685248]  ? blkpg_ioctl+0x910/0x910
[   48.689110]  ? lock_downgrade+0x5d0/0x5d0
[   48.693246]  ? lock_acquire+0x10f/0x380
[   48.697202]  ? debug_check_no_obj_freed+0x148/0x5c0
[   48.702231]  ? _raw_spin_unlock_irqrestore+0x54/0x70
[   48.707308]  ? trace_hardirqs_on_caller+0x37b/0x540
[   48.712300]  block_ioctl+0xd9/0x120
[   48.715899]  ? blkdev_fallocate+0x3b0/0x3b0
[   48.720215]  do_vfs_ioctl+0xabe/0x1040
[   48.724077]  ? selinux_file_ioctl+0x426/0x590
[   48.728559]  ? selinux_file_ioctl+0x116/0x590
[   48.733046]  ? ioctl_preallocate+0x1e0/0x1e0
[   48.737444]  ? selinux_parse_skb.constprop.0+0x16b0/0x16b0
[   48.743048]  ? rcu_read_lock_sched_held+0x10a/0x130
[   48.748050]  ? putname+0xcd/0x110
[   48.751477]  ? do_sys_open+0x255/0x590
[   48.755339]  ? filp_open+0x60/0x60
[   48.758857]  ? security_file_ioctl+0x7c/0xb0
[   48.763254]  SyS_ioctl+0x7f/0xb0
[   48.766593]  ? do_vfs_ioctl+0x1040/0x1040
[   48.770711]  do_syscall_64+0x19b/0x4b0
[   48.774572]  ? entry_SYSCALL_64_after_hwframe+0x42/0xb7
[   48.779906] Code: 03 42 80 3c 28 00 0f 85 7c 0a 00 00 4d 8b 64 24 18 4d 85 e4 0f 84 4f 02 00 00 e8 0a 9f af fe 49 8d 7c 24 20 48 89 f8 48 c1 e8 03 <42> 80 3c 28 00 0f 85 48 0a 00 00 49 8b 6c 24 20 48 85 ed 74 b0 
[   48.798978] RIP: kobject_uevent_env+0x62/0xc60 RSP: ffff8881cefefab0
[   48.805700] ---[ end trace 9d23b53ed10629a2 ]---
[   48.810524] Kernel panic - not syncing: Fatal exception
[   48.816199] Kernel Offset: 0x1e800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
[   48.827097] Rebooting in 86400 seconds..