input: syz0 as /devices/virtual/input/input20
input: syz0 as /devices/virtual/input/input21
input: syz0 as /devices/virtual/input/input22
input: syz0 as /devices/virtual/input/input23
kasan: CONFIG_KASAN_INLINE enabled
kasan: GPF could be caused by NULL-ptr deref or user memory accessgeneral protection fault: 0000 [#1] PREEMPT SMP KASAN
Modules linked in:
CPU: 1 PID: 2145 Comm: syz-executor227 Not tainted 4.4.172+ #13
task: ffff8801d2d817c0 task.stack: ffff8801d4350000
RIP: 0010:[<ffffffff811ff993>]  [<ffffffff811ff993>] __lock_acquire+0x5f3/0x4f50 kernel/locking/lockdep.c:3092
RSP: 0018:ffff8801d43577f0  EFLAGS: 00010002
RAX: dffffc0000000000 RBX: ffff8801d2d817c0 RCX: 0000000000000001
RDX: 0000000000000015 RSI: 0000000000000000 RDI: 0000000000000001
RBP: ffff8801d4357968 R08: 0000000000000001 R09: 0000000000000000
R10: ffffffff82836880 R11: ffffffff831a4d78 R12: ffff8801d2d817c0
R13: 0000000000000000 R14: 0000000000000001 R15: 0000000000000000
FS:  0000000000000000(0000) GS:ffff8801db700000(0063) knlGS:0000000009e28840
CS:  0010 DS: 002b ES: 002b CR0: 0000000080050033
CR2: 000000000806b510 CR3: 00000001d49fc000 CR4: 00000000001606b0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Stack:
 ffff8801d2d817c0 ffff8801d2d82088 0000000000000003 0000000000000000
 ffff8801d4357998 0000000000000046 ffff880100000001 ffff8801d2d82078
 1ffffffff0506d10 ffff8801d4357848 ffffffff8123a551 ffff880100000000
Call Trace:
 [<ffffffff81205d5e>] lock_acquire+0x15e/0x450 kernel/locking/lockdep.c:3592
 [<ffffffff8270bc11>] __mutex_lock_common kernel/locking/mutex.c:521 [inline]
 [<ffffffff8270bc11>] mutex_lock_nested+0xc1/0xb80 kernel/locking/mutex.c:621
 [<ffffffff81f89e0c>] input_ff_erase+0x7c/0xc0 drivers/input/ff-core.c:231
 [<ffffffff81f96692>] evdev_do_ioctl drivers/input/evdev.c:1107 [inline]
 [<ffffffff81f96692>] evdev_ioctl_handler+0x752/0x19c0 drivers/input/evdev.c:1302
 [<ffffffff81f97929>] evdev_ioctl_compat+0x29/0x30 drivers/input/evdev.c:1318
 [<ffffffff8159af03>] C_SYSC_ioctl fs/compat_ioctl.c:1592 [inline]
 [<ffffffff8159af03>] compat_SyS_ioctl+0x403/0x2210 fs/compat_ioctl.c:1544
 [<ffffffff8100603d>] do_syscall_32_irqs_on arch/x86/entry/common.c:330 [inline]
 [<ffffffff8100603d>] do_fast_syscall_32+0x32d/0xa90 arch/x86/entry/common.c:397
 [<ffffffff82719dd0>] sysenter_flags_fixed+0xd/0x1a
Code: 0f 85 7f 32 00 00 48 8d 65 d8 5b 41 5c 41 5d 41 5e 41 5f 5d c3 48 8b 94 24 88 00 00 00 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 a7 33 00 00 48 8b 84 24 88 00 00 00 48 81 38 
RIP  [<ffffffff811ff993>] __lock_acquire+0x5f3/0x4f50 kernel/locking/lockdep.c:3092
 RSP <ffff8801d43577f0>
---[ end trace eaf3cb4e5e0cc45d ]---