Warning: Permanently added '10.128.10.16' (ECDSA) to the list of known hosts. [ 108.728609] random: sshd: uninitialized urandom read (32 bytes read) [ 108.821063] audit: type=1400 audit(1545268781.212:7): avc: denied { map } for pid=1825 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 2018/12/20 01:19:41 parsed 1 programs [ 109.456168] audit: type=1400 audit(1545268781.842:8): avc: denied { map } for pid=1825 comm="syz-execprog" path="/sys/kernel/debug/kcov" dev="debugfs" ino=4999 scontext=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 tcontext=system_u:object_r:debugfs_t:s0 tclass=file permissive=1 [ 110.006004] random: cc1: uninitialized urandom read (8 bytes read) 2018/12/20 01:19:43 executed programs: 0 [ 111.226022] audit: type=1400 audit(1545268783.612:9): avc: denied { map } for pid=1825 comm="syz-execprog" path="/root/syzkaller-shm999919910" 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 INIT: Id "2" respawning too fast: disabled for 5 minutes INIT: Id "4" respawning too fast: disabled for 5 minutes INIT: Id "6" respawning too fast: disabled for 5 minutes INIT: Id "3" respawning too fast: disabled for 5 minutes INIT: Id "5" respawning too fast: disabled for 5 minutes INIT: Id "1" respawning too fast: disabled for 5 minutes 2018/12/20 01:19:49 executed programs: 6 [ 120.460426] kasan: CONFIG_KASAN_INLINE enabled [ 120.465163] kasan: GPF could be caused by NULL-ptr deref or user memory access [ 120.473020] general protection fault: 0000 [#1] PREEMPT SMP KASAN NOPTI [ 120.479770] Modules linked in: [ 120.482944] CPU: 0 PID: 1845 Comm: syz-executor0 Not tainted 4.14.89+ #27 [ 120.489844] task: ffff8881cb041780 task.stack: ffff8881cd340000 [ 120.496082] RIP: 0010:bd_set_size+0x58/0x320 [ 120.500462] RSP: 0018:ffff8881cd347aa0 EFLAGS: 00010202 [ 120.505799] RAX: dffffc0000000000 RBX: 0000000000000000 RCX: 1ffff110396083f5 [ 120.513077] RDX: 00000000000000a7 RSI: 0000000000000000 RDI: 0000000000000538 [ 120.520320] RBP: 0000000000000000 R08: 0000000000000001 R09: ffffffffa26caa91 [ 120.527565] R10: 0000000000000000 R11: 0000000000000000 R12: ffff8881d56a9140 [ 120.534807] R13: ffff8881d56a9140 R14: ffff8881c71732c8 R15: ffff8881c71734a8 [ 120.542052] FS: 000000000222c940(0000) GS:ffff8881d7400000(0000) knlGS:0000000000000000 [ 120.550250] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033 [ 120.556104] CR2: 00007f7d4907c518 CR3: 00000001c9636006 CR4: 00000000001606b0 [ 120.563349] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000 [ 120.570595] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400 [ 120.577838] Call Trace: [ 120.580404] loop_clr_fd+0x465/0xac0 [ 120.584091] lo_ioctl+0x6e6/0x17d0 [ 120.587607] ? loop_clr_fd+0xac0/0xac0 [ 120.591471] blkdev_ioctl+0x57d/0x18c0 [ 120.595336] ? blkpg_ioctl+0x920/0x920 [ 120.599199] ? entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 120.604555] ? debug_check_no_obj_freed+0x2b2/0x77c [ 120.609548] ? lock_downgrade+0x560/0x560 [ 120.613670] ? lock_acquire+0x10f/0x380 [ 120.617619] ? debug_check_no_obj_freed+0x150/0x77c [ 120.622611] ? _raw_spin_unlock_irqrestore+0x54/0x70 [ 120.627687] ? trace_hardirqs_on_caller+0x381/0x520 [ 120.632683] block_ioctl+0xd9/0x120 [ 120.636299] ? blkdev_fallocate+0x3b0/0x3b0 [ 120.640600] do_vfs_ioctl+0x1a0/0x1030 [ 120.644465] ? ioctl_preallocate+0x1d0/0x1d0 [ 120.648864] ? selinux_parse_skb.constprop.42+0x1a90/0x1a90 [ 120.654551] ? rcu_read_lock_sched_held+0x102/0x120 [ 120.659540] ? putname+0xcf/0x100 [ 120.662971] ? do_sys_open+0x203/0x580 [ 120.666834] ? filp_open+0x60/0x60 [ 120.670359] ? security_file_ioctl+0x7c/0xb0 [ 120.674753] SyS_ioctl+0x7e/0xb0 [ 120.678095] ? do_vfs_ioctl+0x1030/0x1030 [ 120.682221] do_syscall_64+0x19b/0x4b0 [ 120.686083] entry_SYSCALL_64_after_hwframe+0x42/0xb7 [ 120.691252] RIP: 0033:0x4574d7 [ 120.694421] RSP: 002b:00007fffa5af5278 EFLAGS: 00000246 ORIG_RAX: 0000000000000010 [ 120.702102] RAX: ffffffffffffffda RBX: 0000000000000000 RCX: 00000000004574d7 [ 120.709344] RDX: 0000000000000000 RSI: 0000000000004c01 RDI: 0000000000000003 [ 120.716601] RBP: 0000000000000003 R08: 0000000000000000 R09: 000000000000000a [ 120.723846] R10: 0000000000000075 R11: 0000000000000246 R12: 0000000000000003 [ 120.731089] R13: 000000000001d2cf R14: 0000000000000006 R15: 0000000000000000 [ 120.738335] Code: 03 80 3c 02 00 0f 85 a4 02 00 00 49 8b 9c 24 e0 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 8d bb 38 05 00 00 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 70 02 00 00 4d 8d 6c 24 08 48 8b 9b 38 05 00 [ 120.757398] RIP: bd_set_size+0x58/0x320 RSP: ffff8881cd347aa0 [ 120.763563] ---[ end trace 4a9462f35186bf8c ]--- [ 120.768347] Kernel panic - not syncing: Fatal exception [ 120.774090] Kernel Offset: 0x21000000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff) [ 120.784991] Rebooting in 86400 seconds..