[   6.4759573] panic: MSan: Uninitialized Pool Memory From fork1()

[   6.4887155] cpu0: Begin traceback...
[   6.4959539] vpanic() at netbsd:vpanic+0xc9d sys/kern/subr_prf.c:-1
[   6.5259574] panic() at netbsd:panic+0x1b3
[   6.5559574] __msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
[   6.5559574] __msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
[   6.5759587] fpu_clear() at netbsd:fpu_clear+0x86b sys/arch/x86/x86/fpu.c:-1
[   6.6059583] setregs() at netbsd:setregs+0x142 sys/arch/amd64/amd64/machdep.c:1382
[   6.6359588] execve_runproc() at netbsd:execve_runproc+0x46b1 sys/kern/kern_exec.c:1202
[   6.6659635] sys_execve() at netbsd:sys_execve+0x264 execve1 sys/kern/kern_exec.c:1479 [inline]
[   6.6659635] sys_execve() at netbsd:sys_execve+0x264 sys/kern/kern_exec.c:608
[   6.6959566] start_init() at netbsd:start_init+0x13b6 sys/kern/init_main.c:1121
[   6.7059541] cpu0: End traceback...
[   6.7168777] fatal breakpoint trap in supervisor mode
[   6.7168777] trap type 1 code 0 rip 0xffffffff80236885 cs 0x8 rflags 0x282 cr2 0x7f7fff9242f8 ilevel 0x5 rsp 0xffffa680bf6b04d0
[   6.7329245] curlwp 0xffffa68011e52100 pid 1.1 lowest kstack 0xffffa680bf6a92c0
Stopped in pid 1.1 (init) at    netbsd:breakpoint+0x5:  leave
breakpoint() at netbsd:breakpoint+0x5
vpanic() at netbsd:vpanic+0xc9d sys/kern/subr_prf.c:-1
panic() at netbsd:panic+0x1b3
__msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
__msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
fpu_clear() at netbsd:fpu_clear+0x86b sys/arch/x86/x86/fpu.c:-1
setregs() at netbsd:setregs+0x142 sys/arch/amd64/amd64/machdep.c:1382
execve_runproc() at netbsd:execve_runproc+0x46b1 sys/kern/kern_exec.c:1202
sys_execve() at netbsd:sys_execve+0x264 execve1 sys/kern/kern_exec.c:1479 [inline]
sys_execve() at netbsd:sys_execve+0x264 sys/kern/kern_exec.c:608
start_init() at netbsd:start_init+0x13b6 sys/kern/init_main.c:1121
ds          6918
es          4d3
fs          4c0
gs          0
rdi         5
rsi         0
rbp         ffffa680bf6b04d0
rbx         0
rdx         1
rcx         ffffa68011e52100
rax         ffffa68012006918
r8          0
r9          500000000000000
--db_more--