[  67.3264999] panic: kernel diagnostic assertion "ks->ks_pshared_proc == NULL" failed: file "/syzkaller/managers/ci2-netbsd-kmsan/kernel/sys/kern/uipc_sem.c", line 501 
[  67.3463472] cpu0: Begin traceback...
[  67.3664977] vpanic() at netbsd:vpanic+0xc9d
[  67.4064916] kern_assert() at netbsd:kern_assert+0x228
[  67.4664905] ksem_free() at netbsd:ksem_free+0x6a6
[  67.5164917] do_ksem_init() at netbsd:do_ksem_init+0xf81
[  67.5564946] sys_syscall() at netbsd:sys_syscall+0x2c5 sys/kern/sys_syscall.c:90
[  67.6164918] syscall() at netbsd:syscall+0x60c sy_invoke sys/sys/syscallvar.h:94 [inline]
[  67.6164918] syscall() at netbsd:syscall+0x60c sys/arch/x86/x86/syscall.c:138
[  67.6264912] --- syscall (number 247 via SYS_syscall) ---
[  67.6464953] netbsd:syscall+0x60c:
[  67.6464953] cpu0: End traceback...
[  67.6464953] fatal breakpoint trap in supervisor mode
[  67.6586000] trap type 1 code 0 rip 0xffffffff802228ad cs 0x8 rflags 0x286 cr2 0x20000040 ilevel 0 rsp 0xffffb70087a99a20
[  67.6712582] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a99410
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a98e00
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a987f0
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a981e0
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a97bd0
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a975c0
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a96fb0
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a969a0
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a96390
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a95d80
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a95770
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e
[  67.6789670] fatal page fault in supervisor mode
[  67.6789670] trap type 6 code 0 rip 0xffffffff848ae8f7 cs 0x8 rflags 0x10246 cr2 0x1e8 ilevel 0x8 rsp 0xffffb70087a95160
[  67.6789670] curlwp 0xffffb70013490a40 pid 4178.4019 lowest kstack 0xffffb70087a922c0
kernel: page fault trap, code=0
[  67.6789670] uvm_fault(0xffffb700133852f8, 0x0, 1) -> e