kernel panic at /syzkaller/managers/main/kernel/kern/include/kref.h:61, from core 1: assertion failed: kref
Stack Backtrace on Core 1:
#01 [<0xffffffffc200a47c>] in backtrace at src/kdebug.c:235
#02 [<0xffffffffc2009c15>] in _panic at src/init.c:268
#03 [<0xffffffffc2049856>] in kref_get at include/kref.h:61
#04 [<     [inline]     >] in proc_incref.10295 at src/process.c:577
#04 [<0xffffffffc204988e>] in enum_proc.10295 at src/process.c:2432
#05 [<0xffffffffc20092b1>] in hash_for_each at src/hashtable.c:428
#06 [<0xffffffffc204ed97>] in proc_get_set at src/process.c:2453
#07 [<     [inline]     >] in profiler_emit_current_system_status at src/profiler.c:283
#07 [<0xffffffffc2045e44>] in profiler_setup at src/profiler.c:379
#08 [<0xffffffffc207c117>] in kprof_open at drivers/dev/kprof.c:226
#09 [<0xffffffffc2033c40>] in __namec_from at src/ns/chan.c:1268
#10 [<0xffffffffc2034433>] in namec at src/ns/chan.c:1562
#11 [<0xffffffffc2041896>] in sysopenat at src/ns/sysfile.c:572
#12 [<0xffffffffc2058f0f>] in sys_openat at src/syscall.c:1806
#13 [<0xffffffffc2059b99>] in syscall at src/syscall.c:2578
#14 [<0xffffffffc205a748>] in run_local_syscall at src/syscall.c:2615
#15 [<0xffffffffc205ac89>] in prep_syscalls at src/syscall.c:2635
#16 [<0xffffffffc20ac492>] in sysenter_callwrapper at arch/x86/trap.c:877
	Args: 0x0000000020000080, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000
SW TRAP frame (partial) at 0xffffffffc8e380e0 on core 2
  rbx  0x000030000005ce00
  rbp  0x000030000005cef0
  r12  0x0000000000000000
  r13  0x0000000000485855
  r14  0x0000000000487438
  r15  0x0000000000000000
  gsbs 0x0000000000000000
  fsbs 0x0000000000000000
ROS(Core 1)>   rip  0x00000000004375ce
  rsp  0x000030000005cd20
 mxcsr 0x00001f80
 fpucw 0x037f
[kernel] Invalid syscall 0 for proc 92
	Args: 0x00000000200001c0, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000, 0x0000000000000000
SW TRAP frame (partial) at 0xffffffffc8e380e0 on core 2
  rbx  0x000030000005ce00
  rbp  0x000030000005cef0
  r12  0x0000000000000000
  r13  0x0000000000485855
  r14  0x0000000000487438
  r15  0x0000000000000000
  gsbs 0x0000000000000000
  fsbs 0x0000000000000000
  rip  0x00000000004375ce
  rsp  0x000030000005cd20
 mxcsr 0x00001f80
 fpucw 0x037f