vhci_hcd vhci_hcd.0: devid(0) speed(1) speed_str(low-speed)
vhci_hcd: connection closed
vhci_hcd: stop threads
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
Modules linked in:
CPU: 1 PID: 1143 Comm: syz-executor.2 Not tainted 4.14.230-syzkaller #0
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
task: ffff888098e0e000 task.stack: ffff88803cd18000
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0xb2/0x510 include/trace/events/lock.h:13
RSP: 0018:ffff88803cd1f958 EFLAGS: 00010006
RAX: dffffc0000000000 RBX: ffff88809d2195a8 RCX: 0000000000000000
RDX: 00000000000000ff RSI: 00000000000007e0 RDI: ffffffff88f60f80
RBP: ffff88803cd1fa20 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000000 R11: 0000000000000000 R12: ffffffff88f60f00
R13: 00000000000007e0 R14: 0000000000000000 R15: ffff88803cd1f9f8
FS:  00007f93fdf66700(0000) GS:ffff8880ba500000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000000000000000 CR3: 0000000092be6000 CR4: 00000000001426e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400
Call Trace:
 trace_lock_acquire include/trace/events/lock.h:13 [inline]
 lock_acquire+0x2b8/0x3f0 kernel/locking/lockdep.c:3997
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:160
 try_to_wake_up+0x6a/0x1100 kernel/sched/core.c:1997
 store_attach+0x577/0x990 drivers/usb/usbip/vhci_sysfs.c:435
 dev_attr_store+0x56/0x80 drivers/base/core.c:738
 sysfs_kf_write+0x106/0x160 fs/sysfs/file.c:142
 kernfs_fop_write+0x289/0x440 fs/kernfs/file.c:316
 __vfs_write+0xe4/0x630 fs/read_write.c:480
 vfs_write+0x17f/0x4d0 fs/read_write.c:544
 SYSC_write fs/read_write.c:590 [inline]
 SyS_write+0xf2/0x210 fs/read_write.c:582
 do_syscall_64+0x1d5/0x640 arch/x86/entry/common.c:292
 entry_SYSCALL_64_after_hwframe+0x46/0xbb
RIP: 0033:0x41913f
RSP: 002b:00007f93fdf65b90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 000000000041913f
RDX: 0000000000000008 RSI: 00007f93fdf65be0 RDI: 0000000000000008
RBP: 0000000000000008 R08: 0000000000000000 R09: 00007f93fdf65b30
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004afb38
R13: 00007f93fdf65be0 R14: 0000000000000000 R15: 0000000000022000
Code: 00 0f 85 45 03 00 00 49 8d 45 18 4d 8b b4 24 80 00 00 00 48 89 c2 48 89 85 60 ff ff ff 48 b8 00 00 00 00 00 fc ff df 48 c1 ea 03 <80> 3c 02 00 0f 85 2b 03 00 00 49 8b 7d 18 48 c7 c0 20 dc 89 87 
RIP: trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline] RSP: ffff88803cd1f958
RIP: perf_trace_lock_acquire+0xb2/0x510 include/trace/events/lock.h:13 RSP: ffff88803cd1f958
---[ end trace 6264eb399adf0388 ]---