==================================================================
BUG: KASAN: use-after-free in strlen+0x79/0x90 lib/string.c:525
Read of size 1 at addr ffff8881d01c5f38 by task syz-executor542/1889

CPU: 1 PID: 1889 Comm: syz-executor542 Not tainted 5.3.0-rc2+ #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
Call Trace:
 __dump_stack lib/dump_stack.c:77 [inline]
 dump_stack+0xca/0x13e lib/dump_stack.c:113
 print_address_description+0x6a/0x32c mm/kasan/report.c:351
 __kasan_report.cold+0x1a/0x33 mm/kasan/report.c:482
 kasan_report+0xe/0x12 mm/kasan/common.c:612
 strlen+0x79/0x90 lib/string.c:525
 strlen include/linux/string.h:281 [inline]
 hidraw_ioctl+0x245/0xae0 drivers/hid/hidraw.c:446
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd2d/0x1330 fs/ioctl.c:696
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44f679
Code: e8 7c d9 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdb80724ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006e1c78 RCX: 000000000044f679
RDX: 0000000020001340 RSI: 0000000080404805 RDI: 0000000000000005
RBP: 00000000006e1c70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e1c7c
R13: 00007ffeeff6c52f R14: 00007fdb807259c0 R15: 0000000000000003

kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory access
general protection fault: 0000 [#1] SMP KASAN
CPU: 1 PID: 1889 Comm: syz-executor542 Not tainted 5.3.0-rc2+ #25
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline]
RIP: 0010:print_address_description+0xc5/0x32c mm/kasan/report.c:356
Code: 00 00 b9 0b 00 00 00 49 8b 5c 24 18 be 11 ff ff 01 48 89 e8 48 c1 e1 29 48 c1 e6 27 4c 01 e1 48 c1 f9 06 48 c1 e1 0c 48 01 f1 <8b> 73 18 48 29 c8 48 99 48 f7 fe 66 41 8b 44 24 2a 48 89 f7 48 89
RSP: 0018:ffff8881cfe37bd0 EFLAGS: 00010086
RAX: ffff8881d01c5f38 RBX: dead000000000400 RCX: ffff8881d01c5000
RDX: ffffea0007407101 RSI: ffff888000000000 RDI: ffffed1039fc6f6c
RBP: ffff8881d01c5f38 R08: 0000000000000000 R09: ffffed103b663ee7
R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: ffffea0007407140
R13: ffffffff85698e79 R14: ffff8881d9b32400 R15: 0000000000000005
FS:  00007fdb80725700(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb806e2db8 CR3: 00000001d6b44000 CR4: 00000000001406e0
Call Trace:
 __kasan_report.cold+0x1a/0x33 mm/kasan/report.c:482
 kasan_report+0xe/0x12 mm/kasan/common.c:612
 strlen+0x79/0x90 lib/string.c:525
 strlen include/linux/string.h:281 [inline]
 hidraw_ioctl+0x245/0xae0 drivers/hid/hidraw.c:446
 vfs_ioctl fs/ioctl.c:46 [inline]
 file_ioctl fs/ioctl.c:509 [inline]
 do_vfs_ioctl+0xd2d/0x1330 fs/ioctl.c:696
 ksys_ioctl+0x9b/0xc0 fs/ioctl.c:713
 __do_sys_ioctl fs/ioctl.c:720 [inline]
 __se_sys_ioctl fs/ioctl.c:718 [inline]
 __x64_sys_ioctl+0x6f/0xb0 fs/ioctl.c:718
 do_syscall_64+0xb7/0x580 arch/x86/entry/common.c:296
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x44f679
Code: e8 7c d9 02 00 48 83 c4 18 c3 0f 1f 80 00 00 00 00 48 89 f8 48 89 f7 48 89 d6 48 89 ca 4d 89 c2 4d 89 c8 4c 8b 4c 24 08 0f 05 <48> 3d 01 f0 ff ff 0f 83 ab d2 fb ff c3 66 2e 0f 1f 84 00 00 00 00
RSP: 002b:00007fdb80724ce8 EFLAGS: 00000246 ORIG_RAX: 0000000000000010
RAX: ffffffffffffffda RBX: 00000000006e1c78 RCX: 000000000044f679
RDX: 0000000020001340 RSI: 0000000080404805 RDI: 0000000000000005
RBP: 00000000006e1c70 R08: 0000000000000000 R09: 0000000000000000
R10: 0000000000000000 R11: 0000000000000246 R12: 00000000006e1c7c
R13: 00007ffeeff6c52f R14: 00007fdb807259c0 R15: 0000000000000003
Modules linked in:
---[ end trace c1bb362c2519fddf ]---
RIP: 0010:nearest_obj include/linux/slub_def.h:176 [inline]
RIP: 0010:print_address_description+0xc5/0x32c mm/kasan/report.c:356
Code: 00 00 b9 0b 00 00 00 49 8b 5c 24 18 be 11 ff ff 01 48 89 e8 48 c1 e1 29 48 c1 e6 27 4c 01 e1 48 c1 f9 06 48 c1 e1 0c 48 01 f1 <8b> 73 18 48 29 c8 48 99 48 f7 fe 66 41 8b 44 24 2a 48 89 f7 48 89
RSP: 0018:ffff8881cfe37bd0 EFLAGS: 00010086
RAX: ffff8881d01c5f38 RBX: dead000000000400 RCX: ffff8881d01c5000
RDX: ffffea0007407101 RSI: ffff888000000000 RDI: ffffed1039fc6f6c
RBP: ffff8881d01c5f38 R08: 0000000000000000 R09: ffffed103b663ee7
R10: ffffed103b663ee6 R11: ffff8881db31f737 R12: ffffea0007407140
R13: ffffffff85698e79 R14: ffff8881d9b32400 R15: 0000000000000005
FS:  00007fdb80725700(0000) GS:ffff8881db300000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 00007fdb806e2db8 CR3: 00000001d6b44000 CR4: 00000000001406e0