git: mmap - honour hint address (properly) even if randomization is on

lhmwzy lhmwzy at gmail.com
Sat Feb 15 01:43:26 PST 2014


After Alex's fix,I modify Luajit 2.0.2 as following and luajit works like a
charm.

So there also a patch to luajit is required?

--- lj_arch.h.ori       2014-02-15 15:31:02.455765000 +0000
+++ lj_arch.h   2014-02-15 15:31:39.595775000 +0000
@@ -67,7 +67,7 @@
 #elif defined(__MACH__) && defined(__APPLE__)
 #define LUAJIT_OS      LUAJIT_OS_OSX
 #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
-      defined(__NetBSD__) || defined(__OpenBSD__)
+      defined(__NetBSD__) || defined(__OpenBSD__)|| defined(__DragonFly__)
 #define LUAJIT_OS      LUAJIT_OS_BSD
 #elif (defined(__sun__) && defined(__svr4__)) || defined(__CYGWIN__)
 #define LUAJIT_OS      LUAJIT_OS_POSIX

--- lj_alloc.c.ori      2014-02-15 15:31:12.435768000 +0000
+++ lj_alloc.c  2014-02-15 17:38:22.007803000 +0000
@@ -188,7 +188,7 @@
   return ptr;
 }

-#elif LJ_TARGET_OSX || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
|| defined(__OpenBSD__) || defined(__sun__)
+#elif LJ_TARGET_OSX || defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
|| defined(__OpenBSD__) || defined(__sun__)|| defined(__DragonFly__)

 /* OSX and FreeBSD mmap() use a naive first-fit linear search.
 ** That's perfect for us. Except that -pagezero_size must be set for OSX,
@@ -197,6 +197,8 @@
 */
 #if LJ_TARGET_OSX
 #define MMAP_REGION_START      ((uintptr_t)0x10000)
+#elif defined(__DragonFly__)
+#define MMAP_REGION_START      ((uintptr_t)0x10000)
 #else
 #define MMAP_REGION_START      ((uintptr_t)0x10000000)
 #endif




2014-02-15 17:39 GMT+08:00 lhmwzy <lhmwzy at gmail.com>:

> I modify Luajit 2.0.2 as following and luajit works like a charm.
>
> --- lj_arch.h.ori       2014-02-15 15:31:02.455765000 +0000
> +++ lj_arch.h   2014-02-15 15:31:39.595775000 +0000
>
> @@ -67,7 +67,7 @@
>  #elif defined(__MACH__) && defined(__APPLE__)
>  #define LUAJIT_OS      LUAJIT_OS_OSX
>  #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
> -      defined(__NetBSD__) || defined(__OpenBSD__)
> +      defined(__NetBSD__) || defined(__OpenBSD__)|| defined(__DragonFly__)
>  #define LUAJIT_OS      LUAJIT_OS_BSD
>  #elif (defined(__sun__) && defined(__svr4__)) || defined(__CYGWIN__)
>  #define LUAJIT_OS      LUAJIT_OS_POSIX
>
>
> -#elif LJ_TARGET_OSX || defined(__FreeBSD__) ||
> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__sun__)
> +#elif LJ_TARGET_OSX || defined(__FreeBSD__) ||
> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__sun__)||
> defined(__DragonFly__)
>
>
>  /* OSX and FreeBSD mmap() use a naive first-fit linear search.
>  ** That's perfect for us. Except that -pagezero_size must be set for OSX,
> @@ -197,6 +197,8 @@
>  */
>  #if LJ_TARGET_OSX
>  #define MMAP_REGION_START      ((uintptr_t)0x10000)
> +#elif defined(__DragonFly__)
> +#define MMAP_REGION_START      ((uintptr_t)0x10000)
>  #else
>  #define MMAP_REGION_START      ((uintptr_t)0x10000000)
>  #endif
>
>
>
> 2014-02-15 15:36 GMT+08:00 lhmwzy <lhmwzy at gmail.com>:
>
> The John Marino'patch was following:
>>
>>
>> --- lj_arch.h.org 2014-02-14 16:32:03.125932000 +0000
>> +++ lj_arch.h 2014-02-14 16:32:34.725951000 +0000
>>
>>
>> @@ -67,7 +67,7 @@
>> #elif defined(__MACH__) && defined(__APPLE__)
>> #define LUAJIT_OS LUAJIT_OS_OSX
>> #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
>> - defined(__NetBSD__) || defined(__OpenBSD__)
>> + defined(__NetBSD__) || defined(__OpenBSD__)|| defined(__DragonFly__)
>>
>> #define LUAJIT_OS LUAJIT_OS_BSD
>> #elif (defined(__sun__) && defined(__svr4__)) || defined(__CYGWIN__)
>> #define LUAJIT_OS LUAJIT_OS_POSIX
>>
>> --- lj_alloc.c.org 2014-02-14 16:33:19.015979000 +0000
>> +++ lj_alloc.c 2014-02-14 16:32:50.225961000 +0000
>> @@ -188,6 +188,33 @@
>> return ptr;
>> }
>>
>> +#elif defined(__DragonFly__)
>> +
>> +#define MMAP_REGION_START ((uintptr_t)0x1000)
>> +#define MMAP_REGION_END ((uintptr_t)0x80000000)
>> +
>> +static LJ_AINLINE void *CALL_MMAP(size_t size)
>> +{
>> + int olderr = errno;
>> + /* Hint for next allocation. Doesn't need to be thread-safe. */
>> + static uintptr_t alloc_hint = MMAP_REGION_START;
>> + int retry = 0;
>> + for (;;) {
>> + void *p = mmap((void *)alloc_hint, size, MMAP_PROT, MMAP_FLAGS, -1, 0);
>> + if ((uintptr_t)p >= 0 && (uintptr_t)p + size < MMAP_REGION_END) {
>> + alloc_hint = (uintptr_t)p + size;
>> + errno = olderr;
>> + return p;
>> + }
>> + if (p != CMFAIL) munmap(p, size);
>> + if (retry) break;
>> + retry = 1;
>> + alloc_hint += 0x100000;
>> + }
>> + errno = olderr;
>> + return CMFAIL;
>> +}
>> +
>>
>>
>> 2014-02-15 15:34 GMT+08:00 lhmwzy <lhmwzy at gmail.com>:
>>
>> Here is the modify
>>>
>>> --- lj_arch.h   2014-02-15 15:31:39.595775000 +0000
>>> +++ lj_arch.h.ori       2014-02-15 15:31:02.455765000 +0000
>>> @@ -67,7 +67,7 @@
>>>  #elif defined(__MACH__) && defined(__APPLE__)
>>>  #define LUAJIT_OS      LUAJIT_OS_OSX
>>>  #elif defined(__FreeBSD__) || defined(__FreeBSD_kernel__) || \
>>> -      defined(__NetBSD__) || defined(__OpenBSD__)||
>>> defined(__DragonFly__)
>>> +      defined(__NetBSD__) || defined(__OpenBSD__)
>>>  #define LUAJIT_OS      LUAJIT_OS_BSD
>>>  #elif (defined(__sun__) && defined(__svr4__)) || defined(__CYGWIN__)
>>>  #define LUAJIT_OS      LUAJIT_OS_POSIX
>>>
>>> --- lj_alloc.c  2014-02-15 15:32:47.735793000 +0000
>>> +++ lj_alloc.c.ori      2014-02-15 15:31:12.435768000 +0000
>>> @@ -188,7 +188,7 @@
>>>    return ptr;
>>>  }
>>>
>>> -#elif LJ_TARGET_OSX || defined(__FreeBSD__) ||
>>> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__sun__)||
>>> defined(__DragonFly__)
>>> +#elif LJ_TARGET_OSX || defined(__FreeBSD__) ||
>>> defined(__FreeBSD_kernel__) || defined(__OpenBSD__) || defined(__sun__)
>>>
>>>  /* OSX and FreeBSD mmap() use a naive first-fit linear search.
>>>  ** That's perfect for us. Except that -pagezero_size must be set for
>>> OSX,
>>> @@ -202,7 +202,7 @@
>>>  #endif
>>>  #define MMAP_REGION_END                ((uintptr_t)0x80000000)
>>>
>>> -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)||
>>> defined(__DragonFly__)
>>> +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
>>>  #include <sys/resource.h>
>>>  #endif
>>>
>>> @@ -212,7 +212,7 @@
>>>    /* Hint for next allocation. Doesn't need to be thread-safe. */
>>>    static uintptr_t alloc_hint = MMAP_REGION_START;
>>>    int retry = 0;
>>> -#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)||
>>> defined(__DragonFly__)
>>> +#if defined(__FreeBSD__) || defined(__FreeBSD_kernel__)
>>>    static int rlimit_modified = 0;
>>>    if (LJ_UNLIKELY(rlimit_modified == 0)) {
>>>      struct rlimit rlim;
>>>
>>> When make completed,run luajit
>>> ./luajit
>>> ./luajit: cannot create state: not enough memory
>>>
>>> kdump result:
>>> kdump
>>>  2424 ktrace   RET   ktrace 0
>>>  2424 ktrace   CALL  execve(0x7ffffffffb97,0x7ffffffff948,0x7ffffffff958)
>>>  2424 ktrace   NAMI  "./luajit"
>>>  2424 ktrace   NAMI  "/usr/libexec/ld-elf.so.2"
>>>  2424 luajit   RET   execve 0
>>>  2424 luajit   CALL
>>> __sysctl(0x7fffffffefe0,0x2,0x800897b60,0x7fffffffefd8,0,0)
>>>  2424 luajit   RET   __sysctl 0
>>>  2424 luajit   CALL
>>> mmap(0,0x8000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0)
>>>  2424 luajit   RET   mmap 6901760/0x695000
>>>  2424 luajit   CALL  issetugid
>>>  2424 luajit   RET   issetugid 0
>>>  2424 luajit   CALL  lstat(0x80069a000,0x7fffffffeef0)
>>>  2424 luajit   NAMI  "/etc"
>>>  2424 luajit   RET   lstat 0
>>>  2424 luajit   CALL  lstat(0x80069a000,0x7fffffffeef0)
>>>  2424 luajit   NAMI  "/etc/libmap.conf"
>>>  2424 luajit   RET   lstat -1 errno 2 No such file or directory
>>>  2424 luajit   CALL  open(0x80069a000,O_CLOEXEC,<unused>0)
>>>  2424 luajit   NAMI  "/etc/libmap.conf"
>>>  2424 luajit   RET   open -1 errno 2 No such file or directory
>>>  2424 luajit   CALL  access(0x80069a000,F_OK)
>>>  2424 luajit   NAMI  "/usr/lib/gcc47/libm.so.4"
>>>  2424 luajit   RET   access -1 errno 2 No such file or directory
>>>  2424 luajit   CALL  open(0x80068c906,O_CLOEXEC,<unused>0x8)
>>>  2424 luajit   NAMI  "/var/run/ld-elf.so.hints"
>>>  2424 luajit   RET   open 3
>>>  2424 luajit   CALL  read(0x3,0x7fffffffed60,0x80)
>>>  2424 luajit   GIO   fd 3 read 128 bytes
>>>
>>> "Ehnt\^A\0\0\0\M^@\0\0\0>\0\0\0\0\0\0\0=\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\0\
>>>         \0\0\0\0\0\0\0"
>>>  2424 luajit   RET   read 128/0x80
>>>  2424 luajit   CALL  lseek(0x3,0,0x80,SEEK_SET)
>>>  2424 luajit   RET   lseek 128/0x80
>>>  2424 luajit   CALL  read(0x3,0x800697180,0x3e)
>>>  2424 luajit   GIO   fd 3 read 62 bytes
>>>        "/usr/lib:/usr/lib/compat:/usr/local/lib:/usr/local/lib/event2\0"
>>>  2424 luajit   RET   read 62/0x3e
>>>  2424 luajit   CALL  close(0x3)
>>>  2424 luajit   RET   close 0
>>>  2424 luajit   CALL  access(0x80069a000,F_OK)
>>>  2424 luajit   NAMI  "/usr/lib/libm.so.4"
>>>  2424 luajit   RET   access 0
>>>  2424 luajit   CALL  open(0x800699040,O_CLOEXEC,<unused>0x8)
>>>  2424 luajit   NAMI  "/usr/lib/libm.so.4"
>>>  2424 luajit   RET   open 3
>>>  2424 luajit   CALL  fstat(0x3,0x7fffffffef70)
>>>  2424 luajit   RET   fstat 0
>>>  2424 luajit   CALL  mmap(0,0x1000,PROT_READ,MAP_PRIVATE,0x3,0,0)
>>>  2424 luajit   RET   mmap 6934528/0x69d000
>>>  2424 luajit   CALL
>>> mmap(0,0x22a000,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,0xffffffff,0,0)
>>>  2424 luajit   RET   mmap 9027584/0x89c000
>>>  2424 luajit   CALL
>>> mmap(0x80089c000,0x2a000,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE,0x3,0,0)
>>>  2424 luajit   RET   mmap 9027584/0x89c000
>>>  2424 luajit   CALL
>>> mmap(0x800ac5000,0x1000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,0x3,0,0x29000)
>>>  2424 luajit   RET   mmap 11292672/0xac5000
>>>  2424 luajit   CALL  munmap(0x80069d000,0x1000)
>>>  2424 luajit   RET   munmap 0
>>>  2424 luajit   CALL  close(0x3)
>>>  2424 luajit   RET   close 0
>>>  2424 luajit   CALL  access(0x80069a000,F_OK)
>>>  2424 luajit   NAMI  "/usr/lib/gcc47/libc.so.8"
>>>  2424 luajit   RET   access -1 errno 2 No such file or directory
>>>  2424 luajit   CALL  access(0x80069a000,F_OK)
>>>  2424 luajit   NAMI  "/usr/lib/libc.so.8"
>>>  2424 luajit   RET   access 0
>>>  2424 luajit   CALL  open(0x800699080,O_CLOEXEC,<unused>0x8)
>>>  2424 luajit   NAMI  "/usr/lib/libc.so.8"
>>>  2424 luajit   RET   open 3
>>>  2424 luajit   CALL  fstat(0x3,0x7fffffffef70)
>>>  2424 luajit   RET   fstat 0
>>>  2424 luajit   CALL  mmap(0,0x1000,PROT_READ,MAP_PRIVATE,0x3,0,0)
>>>  2424 luajit   RET   mmap 6934528/0x69d000
>>>  2424 luajit   CALL
>>> mmap(0,0x34e000,PROT_NONE,MAP_PRIVATE|MAP_ANON|MAP_NOCORE,0xffffffff,0,0)
>>>  2424 luajit   RET   mmap 11296768/0xac6000
>>>  2424 luajit   CALL
>>> mmap(0x800ac6000,0x123000,PROT_READ|PROT_EXEC,MAP_PRIVATE|MAP_FIXED|MAP_NOCORE,0x3,0,0)
>>>  2424 luajit   RET   mmap 11296768/0xac6000
>>>  2424 luajit   CALL
>>> mmap(0x800de9000,0xc000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED,0x3,0,0x123000)
>>>  2424 luajit   RET   mmap 14585856/0xde9000
>>>  2424 luajit   CALL
>>> mmap(0x800df5000,0x1f000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_FIXED|MAP_ANON,0xffffffff,0,0)
>>>  2424 luajit   RET   mmap 14635008/0xdf5000
>>>  2424 luajit   CALL  munmap(0x80069d000,0x1000)
>>>  2424 luajit   RET   munmap 0
>>>  2424 luajit   CALL  close(0x3)
>>>  2424 luajit   RET   close 0
>>>  2424 luajit   CALL
>>> mmap(0,0x19000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0x800000000,0)
>>>  2424 luajit   RET   mmap 6934528/0x69d000
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff880)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  set_tls_area(0,0x7ffffffff960,0x10)
>>>  2424 luajit   RET   set_tls_area 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff8b0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  issetugid
>>>  2424 luajit   RET   issetugid 0
>>>  2424 luajit   CALL
>>> open(0x800bbf388,O_RDONLY,<unused>0xfffffffffffffff7)
>>>  2424 luajit   NAMI  "/dev/urandom"
>>>  2424 luajit   RET   open 3
>>>  2424 luajit   CALL  read(0x3,0x800df5ea0,0x40)
>>>  2424 luajit   GIO   fd 3 read 64 bytes
>>>
>>> "Sk\M-X\M-vH\M-s\r\M-y\b1C?\M^JeWt\M-Sq\M-L,\M-w:P\M-*\^U\M^Q$\M-uV/\M^@\M-+q\M-\\M^Z\^]\M^W?\\_1\M-d^\M-S\^C\^R\
>>>         f\M-3[\M-%\M^OE\^R\M-h\M-T\M-A\M-NBm+\M-kX\M^Ym"
>>>  2424 luajit   RET   read 64/0x40
>>>  2424 luajit   CALL  close(0x3)
>>>  2424 luajit   RET   close 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff870)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff870)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff870)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  setrlimit(RLIMIT_DATA,0x7ffffffff910)
>>>  2424 luajit   RET   setrlimit 0
>>>  2424 luajit   CALL
>>> mmap(0x10000000,0x20000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0)
>>>  2424 luajit   RET   mmap 7036928/0x6b6000
>>>  2424 luajit   CALL  munmap(0x8006b6000,0x20000)
>>>  2424 luajit   RET   munmap 0
>>>  2424 luajit   CALL
>>> mmap(0x10000000,0x20000,PROT_READ|PROT_WRITE,MAP_PRIVATE|MAP_ANON,0xffffffff,0,0)
>>>  2424 luajit   RET   mmap 7036928/0x6b6000
>>>  2424 luajit   CALL  munmap(0x8006b6000,0x20000)
>>>  2424 luajit   RET   munmap 0
>>>  2424 luajit   CALL  write(0x2,0x7ffffffff230,0xa)
>>>  2424 luajit   GIO   fd 2 wrote 10 bytes
>>>        "./luajit: "
>>>  2424 luajit   RET   write 10/0xa
>>>  2424 luajit   CALL  write(0x2,0x7ffffffff230,0x27)
>>>  2424 luajit   GIO   fd 2 wrote 39 bytes
>>>        "cannot create state: not enough memory
>>>        "
>>>  2424 luajit   RET   write 39/0x27
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff820)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff7c0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff7c0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_BLOCK,0x800897a10,0x7ffffffff7c0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  sigprocmask(SIG_SETMASK,0x800897a30,0)
>>>  2424 luajit   RET   sigprocmask 0
>>>  2424 luajit   CALL  exit(0x1)
>>>
>>>
>>>
>>>
>>> 2014-02-15 15:26 GMT+08:00 Alex Hornung <alex at alexhornung.com>:
>>>
>>>  On 15/02/14 07:24, lhmwzy wrote:
>>>>
>>>>  I make buildworld and make kernel after your fix
>>>>  But the luajit won't work unless use John Marino'patch
>>>>
>>>> What does 'doesn't work' mean? You still need to add a ||
>>>> defined(__DragonFly__) if you don't use marino's patch. That should then
>>>> build and work fine.
>>>>
>>>> Cheers,
>>>> Alex
>>>>
>>>>
>>>>
>>>>
>>>> 2014-02-15 15:21 GMT+08:00 Alex Hornung <alex at alexhornung.com>:
>>>>
>>>>>
>>>>> On 15/02/14 02:07, lhmwzy wrote:
>>>>>
>>>>>  To use this fix
>>>>>  buildworld or buildkernel is needed?
>>>>>
>>>>>
>>>>>  You need to rebuild the kernel for this to work.
>>>>>
>>>>>
>>>>>
>>>>>
>>>>> 2014-02-15 4:59 GMT+08:00 Alex Hornung <alexh at crater.dragonflybsd.org>
>>>>> :
>>>>>
>>>>>>
>>>>>> commit d9c783bb278bae8373395931126396bb6d6cdd71
>>>>>> Author: Alex Hornung <alex at alexhornung.com>
>>>>>> Date:   Fri Feb 14 20:57:16 2014 +0000
>>>>>>
>>>>>>     mmap - honour hint address (properly) even if randomization is on
>>>>>>
>>>>>> Summary of changes:
>>>>>>  sys/vm/vm_map.c | 5 +----
>>>>>>  1 file changed, 1 insertion(+), 4 deletions(-)
>>>>>>
>>>>>>
>>>>>> http://gitweb.dragonflybsd.org/dragonfly.git/commitdiff/d9c783bb278bae8373395931126396bb6d6cdd71
>>>>>>
>>>>>>
>>>>>> --
>>>>>> DragonFly BSD source repository
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>
>>>>
>>>
>>
>
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