Warning: Permanently added '10.128.0.62' (ECDSA) to the list of known hosts.
[ 40.198319] random: sshd: uninitialized urandom read (32 bytes read)
executing program
[ 40.325146] audit: type=1400 audit(1571300070.510:36): avc: denied { map } for pid=6878 comm="syz-executor920" path="/root/syz-executor920076073" 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
[ 40.332473] kasan: CONFIG_KASAN_INLINE enabled
[ 40.356568] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 40.363158] audit: type=1800 audit(1571300070.510:37): pid=6878 uid=0 auid=4294967295 ses=4294967295 subj=unconfined_u:system_r:insmod_t:s0-s0:c0.c1023 op="collect_data" cause="failed(directio)" comm="syz-executor920" name="bus" dev="sda1" ino=16485 res=0
[ 40.364297] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 40.392967] Modules linked in:
[ 40.396236] CPU: 0 PID: 6878 Comm: syz-executor920 Not tainted 4.14.149 #0
[ 40.403242] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 40.413105] task: ffff88808b10e480 task.stack: ffff88807f1b0000
[ 40.419255] RIP: 0010:do_blockdev_direct_IO+0x1c75/0x7fd0
[ 40.424982] RSP: 0018:ffff88807f1b74c0 EFLAGS: 00010202
[ 40.430336] RAX: dffffc0000000000 RBX: ffffea0002968e1c RCX: 000000000000000c
[ 40.437582] RDX: 0000000000000004 RSI: 0000000000000000 RDI: 0000000000000020
[ 40.445525] RBP: ffff88807f1b77d8 R08: ffffed1011a81d91 R09: ffff88808d40ec00
[ 40.453500] R10: ffffed1011a81d90 R11: ffff88808d40ec87 R12: ffffea0002968e00
[ 40.460760] R13: ffffea0002968e00 R14: 0000000000000000 R15: ffff8880a5dd1a40
[ 40.468107] FS: 000000000203e880(0000) GS:ffff8880aee00000(0000) knlGS:0000000000000000
[ 40.476397] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 40.483046] CR2: 000055d9c61e81b0 CR3: 0000000094544000 CR4: 00000000001406f0
[ 40.490371] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 40.497632] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 40.504893] Call Trace:
[ 40.507474] ? __ext4_get_inode_loc+0x392/0xf30
[ 40.512125] ? sb_init_dio_done_wq+0x80/0x80
[ 40.516530] ? __lock_acquire+0x2521/0x4620
[ 40.520834] ? save_trace+0x290/0x290
[ 40.524627] ? ext4_dio_get_block_unwritten_sync+0xd0/0xd0
[ 40.530246] ? ext4_dio_get_block_unwritten_sync+0xd0/0xd0
[ 40.536978] __blockdev_direct_IO+0xa1/0xca
[ 40.541279] ? write_end_fn+0xa0/0xa0
[ 40.546986] ext4_direct_IO+0x70d/0x1890
[ 40.551026] ? ext4_dio_get_block_unwritten_sync+0xd0/0xd0
[ 40.556718] generic_file_direct_write+0x1e7/0x430
[ 40.561627] __generic_file_write_iter+0x2bc/0x5b0
[ 40.567767] ext4_file_write_iter+0x2ac/0xe90
[ 40.572245] ? ext4_file_mmap+0x2c0/0x2c0
[ 40.576383] ? __might_sleep+0x93/0xb0
[ 40.580255] do_iter_readv_writev+0x418/0x670
[ 40.584761] ? vfs_dedupe_file_range+0x8f0/0x8f0
[ 40.589509] ? rw_verify_area+0xea/0x2b0
[ 40.593571] do_iter_write+0x154/0x540
[ 40.597624] ? rcu_lockdep_current_cpu_online+0xf2/0x140
[ 40.603057] ? __kmalloc+0x376/0x7a0
[ 40.606753] vfs_iter_write+0x77/0xb0
[ 40.611318] iter_file_splice_write+0x572/0xad0
[ 40.616008] ? default_file_splice_read+0x7b0/0x7b0
[ 40.621364] ? __lock_is_held+0xb6/0x140
[ 40.625592] ? rcu_sync_lockdep_assert+0x6d/0xb0
[ 40.630332] ? __sb_start_write+0x153/0x2f0
[ 40.634634] ? default_file_splice_read+0x7b0/0x7b0
[ 40.639628] SyS_splice+0xd92/0x1430
[ 40.643323] ? do_sys_open+0x221/0x430
[ 40.647392] ? compat_SyS_vmsplice+0x250/0x250
[ 40.653437] ? do_syscall_64+0x53/0x640
[ 40.657415] ? compat_SyS_vmsplice+0x250/0x250
[ 40.662431] do_syscall_64+0x1e8/0x640
[ 40.666305] ? trace_hardirqs_off_thunk+0x1a/0x1c
[ 40.671149] entry_SYSCALL_64_after_hwframe+0x42/0xb7
[ 40.676856] RIP: 0033:0x440309
[ 40.680029] RSP: 002b:00007ffd33387088 EFLAGS: 00000246 ORIG_RAX: 0000000000000113
[ 40.687727] RAX: ffffffffffffffda RBX: 00000000004002c8 RCX: 0000000000440309
[ 40.694978] RDX: 0000000000000007 RSI: 0000000000000000 RDI: 0000000000000004
[ 40.702225] RBP: 00000000006ca018 R08: 00000000ffffffff R09: 0000000000000000
[ 40.709474] R10: 0000000000000000 R11: 0000000000000246 R12: 0000000000401b90
[ 40.716723] R13: 0000000000401c20 R14: 0000000000000000 R15: 0000000000000000
[ 40.724929] Code: b2 98 d8 ff e9 4a 1d 00 00 e8 c8 56 c1 ff 48 8b 84 24 f0 00 00 00 48 8d 78 20 48 b8 00 00 00 00 00 fc ff df 48 89 fa 48 c1 ea 03 <80> 3c 02 00 0f 85 3d 54 00 00 48 8b 84 24 f0 00 00 00 4c 8b 60
[ 40.744003] RIP: do_blockdev_direct_IO+0x1c75/0x7fd0 RSP: ffff88807f1b74c0
[ 40.751304] ---[ end trace 6150ccd92fbd0d01 ]---
[ 40.756053] Kernel panic - not syncing: Fatal exception
[ 40.762747] Kernel Offset: disabled
[ 40.766366] Rebooting in 86400 seconds..