syzbot

[   6.5008615] panic: MSan: Uninitialized Pool Memory From fork1()

[   6.5123556] cpu0: Begin traceback...
[   6.5208717] vpanic() at netbsd:vpanic+0xc9d sys/kern/subr_prf.c:-1
[   6.5508585] panic() at netbsd:panic+0x1b3
[   6.5808638] __msan_warning() at netbsd:__msan_warning+0x11e kmsan_report_inline sys/kern/subr_msan.c:250 [inline]
[   6.5808638] __msan_warning() at netbsd:__msan_warning+0x11e sys/kern/subr_msan.c:631
[   6.6108597] fpu_clear() at netbsd:fpu_clear+0x86b sys/arch/x86/x86/fpu.c:-1
[   6.6408654] setregs() at netbsd:setregs+0x142 sys/arch/amd64/amd64/machdep.c:1382
[   6.6708608] execve_runproc() at netbsd:execve_runproc+0x46b1 sys/kern/kern_exec.c:1202
[   6.7008664] sys_execve() at netbsd:sys_execve+0x264 execve1 sys/kern/kern_exec.c:1479 [inline]
[   6.7008664] sys_execve() at netbsd:sys_execve+0x264 sys/kern/kern_exec.c:608
[   6.7308618] start_init() at netbsd:start_init+0x13b6 sys/kern/init_main.c:1121
[   6.7408630] cpu0: End traceback...
[   6.7408630] fatal breakpoint trap in supervisor mode
[   6.7532587] trap type 1 code 0 rip 0xffffffff80236885 cs 0x8 rflags 0x282 cr2 0x7f7fff810960 ilevel 0x5 rsp 0xffffbd00bf6b04d0
[   6.7668602] curlwp 0xffffbd0011e53100 pid 1.1 lowest kstack 0xffffbd00bf6a92c0
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          ba3
fs          4c0
gs          0
rdi         5
rsi         0
rbp         ffffbd00bf6b04d0
rbx         0
rdx         1
rcx         ffffbd0011e53100
rax         ffffbd0012006918
r8          500000006000000
r9          500000000000000
--db_more--