Kernel panic at lockref_get+1

Issue

• Backtrace of panic task:

crash> bt
PID: 58433 TASK: ff4bf15085970000 CPU: 23 COMMAND: "connection"
#0 [ff8beb4c7dbfb8f8] machine_kexec at ffffffff8bc68863
#1 [ff8beb4c7dbfb950] __crash_kexec at ffffffff8bdafc4d
#2 [ff8beb4c7dbfba18] crash_kexec at ffffffff8bdb0b81
#3 [ff8beb4c7dbfba30] oops_end at ffffffff8bc28661
#4 [ff8beb4c7dbfba50] no_context at ffffffff8bc79bd3
#5 [ff8beb4c7dbfbaa8] __bad_area_nosemaphore at ffffffff8bc79f34
#6 [ff8beb4c7dbfbaf0] do_page_fault at ffffffff8bc7a7e7
#7 [ff8beb4c7dbfbb20] page_fault at ffffffff8c60114e
[exception RIP: lockref_get+1]
RIP: ffffffff8c0cd401 RSP: ff8beb4c7dbfbbd8 RFLAGS: 00010207
RAX: 0000000100000000 RBX: 0000000000020005 RCX: 0000000200000000
RDX: 0000000100000000 RSI: 0000000200000000 RDI: 000000000002005d
RBP: ff8beb4c7dbfbcb0 R8: 0000000000000001 R9: 0000000000000000
R10: 0000000000000002 R11: 0000000000000001 R12: ff4bf15483c7a280
R13: ff4bf15685b4b800 R14: ff4bf15085970000 R15: 0000000000000000
ORIG_RAX: ffffffffffffffff CS: 0010 SS: 0018
#8 [ff8beb4c7dbfbbe0] gsch_scan_new at ffffffffc3b43792 [gsch]
#9 [ff8beb4c7dbfbcb8] gsch_scan at ffffffffc3b4490f [gsch]
#10 [ff8beb4c7dbfbd78] gsch_policy_handle_close at ffffffffc3b422a8 [gsch]
#11 [ff8beb4c7dbfbda8] gsch_redirfs_release at ffffffffc3b40f5a [gsch]
#12 [ff8beb4c7dbfbde8] rfs_postcall_flts at ffffffffc3b2cb9c [redirfs]
#13 [ff8beb4c7dbfbe08] rfs_release at ffffffffc3b25660 [redirfs]
#14 [ff8beb4c7dbfbea0] __fput at ffffffff8bf5d3be
#15 [ff8beb4c7dbfbee8] task_work_run at ffffffff8bd1547a
#16 [ff8beb4c7dbfbf20] exit_to_usermode_loop at ffffffff8bc03d1f
#17 [ff8beb4c7dbfbf38] do_syscall_64 at ffffffff8bc044ec
#18 [ff8beb4c7dbfbf50] entry_SYSCALL_64_after_hwframe at ffffffff8c6000a9
RIP: 00007fd4d6fe6b47 RSP: 00007fd4abaf0840 RFLAGS: 00000293
RAX: 0000000000000000 RBX: 0000000000000157 RCX: 00007fd4d6fe6b47
RDX: 0000000000000000 RSI: 0000000000000000 RDI: 0000000000000157
RBP: 00007fd4abaf0860 R8: 000000000d2a0143 R9: 00007fd4abaf0ab0
R10: 0000000000000000 R11: 0000000000000293 R12: 0000000000000157
R13: 0000000000001675 R14: 00007fd4c9852c40 R15: 00007fd4abaf0ab0
ORIG_RAX: 0000000000000003 CS: 0033 SS: 002b