uvm_fault(0xffffffff8354a888, 0xffff800026cc436f, 0, 2) -> d
kernel: page fault trap, code=2
Stopped at      memset+0x49:    repe stosb      %es:(%rdi)
    TID    PID    UID     PRFLAGS     PFLAGS  CPU  COMMAND
 143792  64995      0           0          0    1  syz-executor
*274481  61992     73   0x1100010        0x1    0K syslogd
memset() at memset+0x49
ffs_write(ffff80002a069cc0) at ffs_write+0xbab sys/ufs/ffs/ffs_vnops.c:401
VOP_WRITE(fffffd8061f3e870,ffff80002a069d78,3,fffffd807f7d34e0) at VOP_WRITE+0x102 sys/kern/vfs_vops.c:245
ktrwriteraw(ffff8000ffffd1c8,fffffd8061f3e870,fffffd807f7d34e0,ffff80002a069e40,ffff80002a069e20) at ktrwriteraw+0x1bc sys/kern/kern_ktrace.c:682
ktrsysret(ffff8000ffffd1c8,5f,16,ffff80002a069f10) at ktrsysret+0x18b sys/kern/kern_ktrace.c:206
syscall(ffff80002a069fc0) at syscall+0xa2f mi_syscall_return sys/sys/syscall_mi.h:209 [inline]
syscall(ffff80002a069fc0) at syscall+0xa2f sys/arch/amd64/amd64/trap.c:598
Xsyscall() at Xsyscall+0x128
end of kernel
end trace frame: 0x78a7edfce350, count: 8
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