Warning: Permanently added '10.128.0.46' (ECDSA) to the list of known hosts.
executing program
syzkaller login: [ 34.573787] audit: type=1400 audit(1591596169.797:8): avc: denied { execmem } for pid=6334 comm="syz-executor608" scontext=system_u:system_r:kernel_t:s0 tcontext=system_u:system_r:kernel_t:s0 tclass=process permissive=1
[ 34.589094] MINIX-fs: mounting unchecked file system, running fsck is recommended
[ 34.600228] audit: type=1800 audit(1591596169.797:9): pid=6334 uid=0 auid=0 ses=5 subj=system_u:system_r:kernel_t:s0 op="collect_data" cause="failed(directio)" comm="syz-executor608" name="file0" dev="sda1" ino=15705 res=0
[ 34.610412] kasan: CONFIG_KASAN_INLINE enabled
[ 34.627032] kasan: GPF could be caused by NULL-ptr deref or user memory access
[ 34.635389] general protection fault: 0000 [#1] PREEMPT SMP KASAN
[ 34.641630] Modules linked in:
[ 34.644825] CPU: 1 PID: 6334 Comm: syz-executor608 Not tainted 4.14.183-syzkaller #0
[ 34.653159] Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
[ 34.662552] task: ffff8880978ba080 task.stack: ffff888088880000
[ 34.668593] RIP: 0010:drm_dp_aux_dev_get_by_minor+0x41/0xd0
[ 34.674291] RSP: 0018:ffff8880888879d8 EFLAGS: 00010206
[ 34.679642] RAX: dffffc0000000000 RBX: 00000000000000b1 RCX: 0000000000000000
[ 34.686889] RDX: 0000000000000003 RSI: 00000000000000b1 RDI: ffffffff8801b5c0
[ 34.694135] RBP: 0000000000000018 R08: ffffffff8a380bc0 R09: 0000000000000002
[ 34.701391] R10: ffff8880888879d8 R11: ffff8880978ba080 R12: 0000000000000000
[ 34.708650] R13: ffff8880a97e7d40 R14: ffffffff8353b400 R15: ffff8880a97e7d68
[ 34.715915] FS: 00000000024c7940(0000) GS:ffff8880aed00000(0000) knlGS:0000000000000000
[ 34.724181] CS: 0010 DS: 0000 ES: 0000 CR0: 0000000080050033
[ 34.730081] CR2: 0000555568613b88 CR3: 00000000a8bf4000 CR4: 00000000001406e0
[ 34.737699] DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
[ 34.744968] DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
[ 34.752232] Call Trace:
[ 34.754813] auxdev_open+0x47/0xa0
[ 34.758340] chrdev_open+0x1fc/0x540
[ 34.762117] ? cdev_put.part.0+0x50/0x50
[ 34.766260] do_dentry_open+0x44b/0xec0
[ 34.770209] ? cdev_put.part.0+0x50/0x50
[ 34.774247] ? __inode_permission+0xcd/0x2f0
[ 34.778646] vfs_open+0x105/0x220
[ 34.782096] path_openat+0xb68/0x2aa0
[ 34.785963] ? path_mountpoint+0x960/0x960
[ 34.790184] ? kasan_kmalloc.part.0+0xa6/0xd0
[ 34.794656] do_filp_open+0x18e/0x250
[ 34.798443] ? may_open_dev+0xe0/0xe0
[ 34.802246] ? __mutex_lock+0x2cb/0x1430
[ 34.806352] ? SyS_acct+0x65/0x850
[ 34.809911] ? fs_reclaim_acquire+0x10/0x10
[ 34.814220] file_open_name+0x206/0x260
[ 34.818186] ? filp_clone_open+0xf0/0xf0
[ 34.822234] ? rcu_read_lock_sched_held+0x10a/0x130
[ 34.827237] ? kmem_cache_alloc_trace+0x389/0x3f0
[ 34.832067] SyS_acct+0xcb/0x850
[ 34.835409] ? acct_pin_kill+0xe0/0xe0
[ 34.839286] do_syscall_64+0x1d5/0x640
[ 34.843152] entry_SYSCALL_64_after_hwframe+0x46/0xbb
[ 34.848340] RIP: 0033:0x444ac9
[ 34.851508] RSP: 002b:00007ffc3e098d18 EFLAGS: 00000246 ORIG_RAX: 00000000000000a3
[ 34.859713] RAX: ffffffffffffffda RBX: 00007ffc3e098d20 RCX: 0000000000444ac9
[ 34.867067] RDX: 0000000000401470 RSI: 76a48c1cd11c080b RDI: 0000000020000480
[ 34.874320] RBP: 0000000000000000 R08: 0000000000000000 R09: 0000000000400eb0
[ 34.881568] R10: 00007ffc3e098bf0 R11: 0000000000000246 R12: 0000000000402730
[ 34.888867] R13: 00000000004027c0 R14: 0000000000000000 R15: 0000000000000000
[ 34.896160] Code: e8 15 eb e9 02 89 de 48 c7 c7 c0 b5 01 88 e8 c7 56 e5 02 48 8d 68 18 49 89 c4 48 b8 00 00 00 00 00 fc ff df 48 89 ea 48 c1 ea 03 <0f> b6 14 02 48 89 e8 83 e0 07 83 c0 03 38 d0 7c 04 84 d2 75 66
[ 34.915282] RIP: drm_dp_aux_dev_get_by_minor+0x41/0xd0 RSP: ffff8880888879d8
[ 34.923198] ---[ end trace 3645b4fd0cf0886f ]---
[ 34.927988] Kernel panic - not syncing: Fatal exception
[ 34.935312] Kernel Offset: disabled
[ 34.938953] Rebooting in 86400 seconds..