IPv6: ADDRCONF(NETDEV_UP): bridge2: link is not ready
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
CPU: 1 PID: 14946 Comm: syz-executor.4 Not tainted 4.19.185-syzkaller #0
vivid-002: kernel_thread() failed
Hardware name: Google Google Compute Engine/Google Compute Engine, BIOS Google 01/01/2011
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0x9d/0x530 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 40 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 4f 03 00 00 49 8b 7d 18 48 c7 c0 80 14 6a 88 48
RSP: 0018:ffff888098c1f8b8 EFLAGS: 00010006
RAX: 00000000000000ff RBX: ffff8880af6b2328 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 00000000000007e0 RDI: ffffffff89f6d360
RBP: ffff888098c1f9a0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff89f6d360
R13: 00000000000007e0 R14: 0000000000000000 R15: ffff888098c1f978
FS:  00007f760fa70700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
CR2: 0000556c9c632988 CR3: 00000000aa3e9000 CR4: 00000000001406e0
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+0x298/0x3c0 kernel/locking/lockdep.c:3906
 __raw_spin_lock_irqsave include/linux/spinlock_api_smp.h:110 [inline]
 _raw_spin_lock_irqsave+0x8c/0xc0 kernel/locking/spinlock.c:152
 try_to_wake_up+0x7b/0x1050 kernel/sched/core.c:1961
 attach_store+0x65b/0xaa0 drivers/usb/usbip/vhci_sysfs.c:421
 dev_attr_store+0x56/0x80 drivers/base/core.c:966
 sysfs_kf_write+0x110/0x160 fs/sysfs/file.c:140
 kernfs_fop_write+0x2b0/0x470 fs/kernfs/file.c:316
 __vfs_write+0xf7/0x770 fs/read_write.c:485
 vfs_write+0x1f3/0x540 fs/read_write.c:549
 ksys_write+0x12b/0x2a0 fs/read_write.c:599
 do_syscall_64+0xf9/0x620 arch/x86/entry/common.c:293
**                                                      **
 entry_SYSCALL_64_after_hwframe+0x49/0xbe
RIP: 0033:0x41913f
Code: 89 54 24 18 48 89 74 24 10 89 7c 24 08 e8 99 fd ff ff 48 8b 54 24 18 48 8b 74 24 10 41 89 c0 8b 7c 24 08 b8 01 00 00 00 0f 05 <48> 3d 00 f0 ff ff 77 31 44 89 c7 48 89 44 24 08 e8 cc fd ff ff 48
RSP: 002b:00007f760fa6fb90 EFLAGS: 00000293 ORIG_RAX: 0000000000000001
RAX: ffffffffffffffda RBX: 0000000000000008 RCX: 000000000041913f
RDX: 0000000000000008 RSI: 00007f760fa6fbe0 RDI: 0000000000000007
RBP: 0000000000000007 R08: 0000000000000000 R09: 00007f760fa6fb30
R10: 0000000000000000 R11: 0000000000000293 R12: 00000000004afb38
R13: 00007f760fa6fbe0 R14: 0000000000000000 R15: 0000000000022000
Modules linked in:
---[ end trace 3081e5f18e5fb827 ]---
RIP: 0010:trace_event_get_offsets_lock_acquire include/trace/events/lock.h:13 [inline]
RIP: 0010:perf_trace_lock_acquire+0x9d/0x530 include/trace/events/lock.h:13
Code: 04 f1 f1 04 f2 c7 40 08 00 f3 f3 f3 65 48 8b 04 25 28 00 00 00 48 89 45 d0 31 c0 48 8d 46 18 48 89 85 40 ff ff ff 48 c1 e8 03 <80> 3c 10 00 0f 85 4f 03 00 00 49 8b 7d 18 48 c7 c0 80 14 6a 88 48
RSP: 0018:ffff888098c1f8b8 EFLAGS: 00010006
RAX: 00000000000000ff RBX: ffff8880af6b2328 RCX: 0000000000000000
RDX: dffffc0000000000 RSI: 00000000000007e0 RDI: ffffffff89f6d360
RBP: ffff888098c1f9a0 R08: 0000000000000000 R09: 0000000000000001
R10: 0000000000000005 R11: 0000000000000000 R12: ffffffff89f6d360
R13: 00000000000007e0 R14: 0000000000000000 R15: ffff888098c1f978
FS:  00007f760fa70700(0000) GS:ffff8880ba100000(0000) knlGS:0000000000000000
CS:  0010 DS: 0000 ES: 0000 CR0: 0000000080050033
** trace_printk() being used. Allocating extra memory.  **
CR2: 0000556c9c632988 CR3: 00000000aa3e9000 CR4: 00000000001406e0
DR0: 0000000000000000 DR1: 0000000000000000 DR2: 0000000000000000
DR3: 0000000000000000 DR6: 00000000fffe0ff0 DR7: 0000000000000400