input: syz0 as /devices/virtual/input/input2285
input: syz0 as /devices/virtual/input/input2286
input: syz0 as /devices/virtual/input/input2289
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] PREEMPT SMP KASAN NOPTI
Modules linked in:
CPU: 1 PID: 5677 Comm: syz-executor.2 Not tainted 4.14.123+ #2
task: 00000000ab4fb36a task.stack: 00000000afcec88d
RIP: 0010:__read_once_size include/linux/compiler.h:186 [inline]
RIP: 0010:radix_tree_load_root lib/radix-tree.c:602 [inline]
RIP: 0010:__radix_tree_lookup+0x43/0x220 lib/radix-tree.c:1040
RSP: 0018:ffff8881a00377a0 EFLAGS: 00010212
RAX: dffffc0000000203 RBX: 1ffff11034006eff RCX: 000000000000027b
RDX: ffffffff828220bf RSI: ffffc90000541000 RDI: 0000000000001010
RBP: dffffc0000000000 R08: 00000000000071f2 R09: 0000000000040045
R10: ffff8881c9fc0858 R11: 0000000000000001 R12: 0000000000019edc
R13: 0000000000000000 R14: 0000000000001010 R15: ffff8881a0037838
FS:  00007f837f5f7700(0000) GS:ffff8881d7700000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fda9a475518 CR3: 00000001d2bde006 CR4: 00000000001606a0
Call Trace:
 radix_tree_delete_item+0x96/0x1a0 lib/radix-tree.c:2043
 idr_remove_ext include/linux/idr.h:144 [inline]
 idr_remove include/linux/idr.h:149 [inline]
 kernfs_put fs/kernfs/dir.c:542 [inline]
 kernfs_put+0x1b8/0x480 fs/kernfs/dir.c:506
 kernfs_create_dir_ns+0x10c/0x130 fs/kernfs/dir.c:1012
 sysfs_create_dir_ns+0xb7/0x1d0 fs/sysfs/dir.c:55
 create_dir lib/kobject.c:71 [inline]
 kobject_add_internal+0x27f/0x830 lib/kobject.c:229
Code: 00 00 00 00 00 fc ff df 53 48 83 ec 20 48 89 44 24 10 48 c1 e8 03 48 01 e8 48 89 54 24 08 48 89 04 24 e8 e1 af ae fe 48 8b 04 24 <80> 38 00 0f 85 a3 01 00 00 49 8b 5e 08 48 89 d8 83 e0 03 48 83 
RIP: __read_once_size include/linux/compiler.h:186 [inline] RSP: ffff8881a00377a0
RIP: radix_tree_load_root lib/radix-tree.c:602 [inline] RSP: ffff8881a00377a0
RIP: __radix_tree_lookup+0x43/0x220 lib/radix-tree.c:1040 RSP: ffff8881a00377a0
---[ end trace 4cec61eef08b35ba ]---
Kernel panic - not syncing: Fatal exception
Kernel Offset: 0x19800000 from 0xffffffff81000000 (relocation range: 0xffffffff80000000-0xffffffffbfffffff)
Rebooting in 86400 seconds..