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    Subject[patch] random: make get_random_int() more random

    * Linus Torvalds <torvalds@linux-foundation.org> wrote:

    > On Wed, 6 May 2009, Matt Mackall wrote:
    >
    > > On Wed, May 06, 2009 at 12:30:34PM +0200, Ingo Molnar wrote:
    >
    > > > (Also, obviously "only" covering 95% of the Linux systems has
    > > > its use as well. Most other architectures have their own cycle
    > > > counters as well.)
    > >
    > > X86 might be 95% of desktop. But it's a small fraction of Linux
    > > systems once you count cell phones, video players, TVs, cameras,
    > > GPS devices, cars, routers, etc. almost none of which are
    > > x86-based. In fact, just Linux cell phones (with about an 8%
    > > share of a 1.2billion devices per year market) dwarf Linux
    > > desktops (maybe 5% of a 200m/y market).
    >
    > Matt, are you willing to ack my suggested patch which adds history
    > to the mix? Did somebody test that? I have this memory of there
    > being an "exploit" program to show the non-randomness of the
    > values, but I can't recall details, and would really want to get a
    > second opinion from somebody who cares about PRNG's.

    I tested it, and besides booting up fine, i also tested the
    get_random_int() randomness. I did this by adding this quick
    trace_printk() line:

    trace_printk("get_random_int(): %08x\n", get_random_int());

    to sys_prctl() and triggered sys_prctl() in a loop, which gave a
    list of get_random_int() numbers:

    # tracer: nop
    #
    # TASK-PID CPU# TIMESTAMP FUNCTION
    # | | | | |
    <...>-6288 [000] 618.151323: sys_prctl: get_random_int(): 2e927f66
    <...>-6290 [000] 618.152924: sys_prctl: get_random_int(): d210df1f
    <...>-6293 [000] 618.155326: sys_prctl: get_random_int(): 753ad860
    <...>-6295 [000] 618.156939: sys_prctl: get_random_int(): c74d935f
    <...>-6298 [000] 618.159334: sys_prctl: get_random_int(): bb4e7597
    <...>-6300 [000] 618.160936: sys_prctl: get_random_int(): b0119885
    <...>-6303 [000] 618.163331: sys_prctl: get_random_int(): 093f5c70

    Full list attached.

    I then wrote a quick script to write those numbers out into a
    continous binary file (result also attached).

    I then ran the FIPS randomness test over the first 20,000 bits [2.5K
    data], which it passed:

    rngtest: bits received from input: 20064
    rngtest: bits sent to output: 20000
    rngtest: FIPS 140-2 successes: 1
    rngtest: FIPS 140-2 failures: 0
    rngtest: FIPS 140-2(2001-10-10) Monobit: 0
    rngtest: FIPS 140-2(2001-10-10) Poker: 0
    rngtest: FIPS 140-2(2001-10-10) Runs: 0
    rngtest: FIPS 140-2(2001-10-10) Long run: 0
    rngtest: FIPS 140-2(2001-10-10) Continuous run: 0
    rngtest: input channel speed: (min=3.104; avg=3.104; max=3.104)Gibits/s
    rngtest: FIPS tests speed: (min=110.892; avg=110.892; max=110.892)Mibits/s
    rngtest: output channel speed: (min=544.957; avg=544.957; max=544.957)Mibits/s
    rngtest: Program run time: 294 microseconds

    So it looks good enough - that's a sample of 800+ pseudo-random
    integers.

    I also modified your patch to include two more random sources,
    get_cycles() [which all 22 architectures define - albeit not all
    have the hw to actually do fine-grained cycle counts - so for some
    it's always-zero or a low-res return value], plus a kernel stack
    address.

    The relevant line is:

    + hash[0] += current->pid + jiffies + get_cycles() + (int)(long)&ret;

    The argument is that the more layers we have here, the harder it
    becomes to _reliably_ attack a given system. Works-100%-sure is an
    important prize for certain types of attackers - and with the cycle
    counter, jiffies, PID and a kernel address all mixed in that becomes
    quite hard to achieve.

    I tested this too - it also results in good random numbers. Find the
    patch below.

    Ingo


    --------------->
    Subject: random: make get_random_int() more random
    From: Linus Torvalds <torvalds@linux-foundation.org>
    Date: Tue, 5 May 2009 08:17:43 -0700 (PDT)

    It's a really simple patch that basically just open-codes the current
    "secure_ip_id()" call, but when open-coding it we now use a _static_
    hashing area, so that it gets updated every time.

    And to make sure somebody can't just start from the same original seed of
    all-zeroes, and then do the "half_md4_transform()" over and over until
    they get the same sequence as the kernel has, each iteration also mixes in
    the same old "current->pid + jiffies" we used - so we should now have a
    regular strong pseudo-number generator, but we also have one that doesn't
    have a single seed.

    Note: the "pid + jiffies" is just meant to be a tiny tiny bit of noise. It
    has no real meaning. It could be anything. I just picked the previous
    seed, it's just that now we keep the state in between calls and that will
    feed into the next result, and that should make all the difference.

    I made that hash be a per-cpu data just to avoid cache-line ping-pong:
    having multiple CPU's write to the same data would be fine for randomness,
    and add yet another layer of chaos to it, but since get_random_int() is
    supposed to be a fast interface I did it that way instead. I considered
    using "__raw_get_cpu_var()" to avoid any preemption overhead while still
    getting the hash be _mostly_ ping-pong free, but in the end good taste won
    out.

    Signed-off-by: Ingo Molnar <mingo@elte.hu>
    ---
    drivers/char/random.c | 19 ++++++++++++-------
    1 file changed, 12 insertions(+), 7 deletions(-)

    Index: linux/drivers/char/random.c
    ===================================================================
    --- linux.orig/drivers/char/random.c
    +++ linux/drivers/char/random.c
    @@ -1665,15 +1665,20 @@ EXPORT_SYMBOL(secure_dccp_sequence_numbe
    * value is not cryptographically secure but for several uses the cost of
    * depleting entropy is too high
    */
    +DEFINE_PER_CPU(__u32 [4], get_random_int_hash);
    unsigned int get_random_int(void)
    {
    - /*
    - * Use IP's RNG. It suits our purpose perfectly: it re-keys itself
    - * every second, from the entropy pool (and thus creates a limited
    - * drain on it), and uses halfMD4Transform within the second. We
    - * also mix it with jiffies and the PID:
    - */
    - return secure_ip_id((__force __be32)(current->pid + jiffies));
    + struct keydata *keyptr;
    + __u32 *hash = get_cpu_var(get_random_int_hash);
    + int ret;
    +
    + keyptr = get_keyptr();
    + hash[0] += current->pid + jiffies + get_cycles() + (int)(long)&ret;
    +
    + ret = half_md4_transform(hash, keyptr->secret);
    + put_cpu_var(get_random_int_hash);
    +
    + return ret;
    }

    /*# tracer: nop
    #
    # TASK-PID CPU# TIMESTAMP FUNCTION
    # | | | | |
    <...>-6288 [000] 618.151323: sys_prctl: get_random_int(): 2e927f66
    <...>-6290 [000] 618.152924: sys_prctl: get_random_int(): d210df1f
    <...>-6293 [000] 618.155326: sys_prctl: get_random_int(): 753ad860
    <...>-6295 [000] 618.156939: sys_prctl: get_random_int(): c74d935f
    <...>-6298 [000] 618.159334: sys_prctl: get_random_int(): bb4e7597
    <...>-6300 [000] 618.160936: sys_prctl: get_random_int(): b0119885
    <...>-6303 [000] 618.163331: sys_prctl: get_random_int(): 093f5c70
    <...>-6305 [000] 618.164932: sys_prctl: get_random_int(): 041237bf
    <...>-6308 [000] 618.167334: sys_prctl: get_random_int(): 8728717c
    <...>-6310 [000] 618.168933: sys_prctl: get_random_int(): b4f8ee5b
    <...>-6313 [000] 618.171332: sys_prctl: get_random_int(): c878732e
    <...>-6315 [000] 618.172896: sys_prctl: get_random_int(): 3c4f8609
    <...>-6318 [000] 618.175359: sys_prctl: get_random_int(): 95e66917
    <...>-6320 [000] 618.176919: sys_prctl: get_random_int(): 5c15d7f7
    <...>-6323 [000] 618.179312: sys_prctl: get_random_int(): a30704fa
    <...>-6325 [000] 618.180912: sys_prctl: get_random_int(): 833942d7
    <...>-6328 [000] 618.183313: sys_prctl: get_random_int(): a98634cc
    <...>-6330 [000] 618.184916: sys_prctl: get_random_int(): 66ac3dc9
    <...>-6333 [000] 618.187313: sys_prctl: get_random_int(): 5465b8d1
    <...>-6335 [000] 618.188913: sys_prctl: get_random_int(): d1904f92
    <...>-6338 [000] 618.191316: sys_prctl: get_random_int(): 8092c0b0
    <...>-6340 [000] 618.192916: sys_prctl: get_random_int(): faa7ea03
    <...>-6343 [000] 618.195317: sys_prctl: get_random_int(): 63f1d4b7
    <...>-6345 [000] 618.196922: sys_prctl: get_random_int(): 7a253bca
    <...>-6348 [000] 618.199322: sys_prctl: get_random_int(): 6cee3879
    <...>-6350 [000] 618.200923: sys_prctl: get_random_int(): 620ed75d
    <...>-6353 [000] 618.203325: sys_prctl: get_random_int(): 787c8fab
    <...>-6355 [000] 618.204927: sys_prctl: get_random_int(): 8038f759
    <...>-6358 [000] 618.207329: sys_prctl: get_random_int(): 219875ef
    <...>-6360 [000] 618.208891: sys_prctl: get_random_int(): e6dcad80
    <...>-6363 [000] 618.211339: sys_prctl: get_random_int(): dedfa120
    <...>-6365 [000] 618.212897: sys_prctl: get_random_int(): 899bb25f
    <...>-6368 [000] 618.215346: sys_prctl: get_random_int(): 5a2b5077
    <...>-6370 [000] 618.216908: sys_prctl: get_random_int(): 17f0fd44
    <...>-6373 [000] 618.219304: sys_prctl: get_random_int(): 7166a01b
    <...>-6375 [000] 618.220903: sys_prctl: get_random_int(): 2ea8f988
    <...>-6378 [000] 618.223302: sys_prctl: get_random_int(): f05b68a3
    <...>-6380 [000] 618.224904: sys_prctl: get_random_int(): e98e5fda
    <...>-6383 [000] 618.227306: sys_prctl: get_random_int(): d8e1b0b3
    <...>-6385 [000] 618.228907: sys_prctl: get_random_int(): 13fe3c99
    <...>-6388 [000] 618.231306: sys_prctl: get_random_int(): 8f0ffc91
    <...>-6390 [000] 618.232905: sys_prctl: get_random_int(): ea19eb37
    <...>-6393 [000] 618.235301: sys_prctl: get_random_int(): ccaea83d
    <...>-6395 [000] 618.236909: sys_prctl: get_random_int(): f69c6429
    <...>-6398 [000] 618.239311: sys_prctl: get_random_int(): 2135f269
    <...>-6400 [000] 618.240908: sys_prctl: get_random_int(): 60b8f110
    <...>-6403 [000] 618.243307: sys_prctl: get_random_int(): 17bb9c58
    <...>-6405 [000] 618.244905: sys_prctl: get_random_int(): 8b70e834
    <...>-6408 [000] 618.247302: sys_prctl: get_random_int(): 0396b347
    <...>-6410 [000] 618.248902: sys_prctl: get_random_int(): 86fd4976
    <...>-6413 [000] 618.251296: sys_prctl: get_random_int(): c23c28fd
    <...>-6415 [000] 618.252898: sys_prctl: get_random_int(): c32ffbd7
    <...>-6418 [000] 618.255296: sys_prctl: get_random_int(): 9684d604
    <...>-6420 [000] 618.256907: sys_prctl: get_random_int(): 0e4ccfd3
    <...>-6423 [000] 618.259307: sys_prctl: get_random_int(): ccd69363
    <...>-6425 [000] 618.260910: sys_prctl: get_random_int(): 07993743
    <...>-6428 [000] 618.263309: sys_prctl: get_random_int(): 9f06ba45
    <...>-6430 [000] 618.264873: sys_prctl: get_random_int(): 0dff796c
    <...>-6433 [000] 618.267322: sys_prctl: get_random_int(): 0de2019c
    <...>-6435 [000] 618.268877: sys_prctl: get_random_int(): b8e20895
    ##### CPU 1 buffer started ####
    <...>-6436 [001] 618.269711: sys_prctl: get_random_int(): 12c85f9d
    <...>-6437 [001] 618.270533: sys_prctl: get_random_int(): 42b96af6
    <...>-6438 [000] 618.271331: sys_prctl: get_random_int(): b60ed1b9
    <...>-6439 [001] 618.272099: sys_prctl: get_random_int(): 3aca8780
    <...>-6440 [000] 618.272884: sys_prctl: get_random_int(): 7b624df1
    <...>-6441 [001] 618.273714: sys_prctl: get_random_int(): 1d82f78b
    <...>-6442 [001] 618.274541: sys_prctl: get_random_int(): 99c1f14b
    <...>-6443 [000] 618.275332: sys_prctl: get_random_int(): 87e1ab89
    <...>-6444 [001] 618.276104: sys_prctl: get_random_int(): a13a6dd2
    <...>-6445 [000] 618.276895: sys_prctl: get_random_int(): a544ec7f
    <...>-6446 [001] 618.277716: sys_prctl: get_random_int(): fa9bbb74
    <...>-6447 [001] 618.278528: sys_prctl: get_random_int(): 30a47646
    <...>-6448 [000] 618.279288: sys_prctl: get_random_int(): 045208d2
    <...>-6449 [001] 618.280062: sys_prctl: get_random_int(): 0961aeb0
    <...>-6450 [000] 618.280894: sys_prctl: get_random_int(): 00d85257
    <...>-6451 [001] 618.281720: sys_prctl: get_random_int(): 7c702f29
    <...>-6452 [001] 618.282532: sys_prctl: get_random_int(): 688eaef9
    <...>-6453 [000] 618.283292: sys_prctl: get_random_int(): 493d53bb
    <...>-6454 [001] 618.284068: sys_prctl: get_random_int(): ba3251b8
    <...>-6455 [000] 618.284891: sys_prctl: get_random_int(): 34b9a5c7
    <...>-6456 [001] 618.285718: sys_prctl: get_random_int(): 188017a9
    <...>-6457 [001] 618.286527: sys_prctl: get_random_int(): 1c3a0cb0
    <...>-6458 [000] 618.287289: sys_prctl: get_random_int(): 66a10117
    <...>-6459 [001] 618.288065: sys_prctl: get_random_int(): 407df3e2
    <...>-6460 [000] 618.288894: sys_prctl: get_random_int(): dfddbea1
    <...>-6461 [001] 618.289717: sys_prctl: get_random_int(): 02a0398a
    <...>-6462 [001] 618.290530: sys_prctl: get_random_int(): ec8b8202
    <...>-6463 [000] 618.291288: sys_prctl: get_random_int(): 1b365cb7
    <...>-6464 [001] 618.292065: sys_prctl: get_random_int(): 7f0cceab
    <...>-6465 [000] 618.292893: sys_prctl: get_random_int(): 396d09da
    <...>-6466 [001] 618.293724: sys_prctl: get_random_int(): 1f004b43
    <...>-6467 [001] 618.294531: sys_prctl: get_random_int(): e56dd2f4
    <...>-6468 [000] 618.295293: sys_prctl: get_random_int(): 6465e491
    <...>-6469 [001] 618.296066: sys_prctl: get_random_int(): 9b972df1
    <...>-6470 [000] 618.296903: sys_prctl: get_random_int(): 8cc79c95
    <...>-6471 [001] 618.297726: sys_prctl: get_random_int(): fc60fce0
    <...>-6472 [001] 618.298539: sys_prctl: get_random_int(): 1c8479bf
    <...>-6473 [000] 618.299301: sys_prctl: get_random_int(): 9e943447
    <...>-6474 [001] 618.300077: sys_prctl: get_random_int(): c4839a07
    <...>-6475 [000] 618.300864: sys_prctl: get_random_int(): 25de1a81
    <...>-6476 [001] 618.301701: sys_prctl: get_random_int(): b533b223
    <...>-6477 [001] 618.302520: sys_prctl: get_random_int(): ecc3e97c
    <...>-6478 [000] 618.303315: sys_prctl: get_random_int(): 661be53c
    <...>-6479 [001] 618.304081: sys_prctl: get_random_int(): 81cdfc85
    <...>-6480 [000] 618.304870: sys_prctl: get_random_int(): 5438b5b1
    <...>-6481 [001] 618.305699: sys_prctl: get_random_int(): 826892ca
    <...>-6482 [001] 618.306526: sys_prctl: get_random_int(): eebb7b17
    <...>-6483 [000] 618.307318: sys_prctl: get_random_int(): 14078113
    <...>-6484 [001] 618.308088: sys_prctl: get_random_int(): abec8b64
    <...>-6485 [000] 618.308870: sys_prctl: get_random_int(): 6c8cb64a
    <...>-6486 [001] 618.309700: sys_prctl: get_random_int(): 1dcf996b
    <...>-6487 [001] 618.310523: sys_prctl: get_random_int(): f8dba2c0
    <...>-6488 [000] 618.311318: sys_prctl: get_random_int(): 2c1b9de7
    <...>-6489 [001] 618.312087: sys_prctl: get_random_int(): 529d827e
    <...>-6490 [000] 618.312874: sys_prctl: get_random_int(): ecd9b61d
    <...>-6491 [001] 618.313701: sys_prctl: get_random_int(): 668b9131
    <...>-6492 [001] 618.314521: sys_prctl: get_random_int(): e58c1182
    <...>-6493 [000] 618.315313: sys_prctl: get_random_int(): 00665371
    <...>-6495 [001] 618.316084: sys_prctl: get_random_int(): e1276ba5
    <...>-6496 [000] 618.316878: sys_prctl: get_random_int(): 948ce25a
    <...>-6497 [000] 618.317687: sys_prctl: get_random_int(): 631b0721
    <...>-6498 [001] 618.318479: sys_prctl: get_random_int(): bdff921d
    <...>-6499 [000] 618.319267: sys_prctl: get_random_int(): 0e461156
    <...>-6500 [001] 618.320035: sys_prctl: get_random_int(): 9fded75e
    <...>-6501 [000] 618.320865: sys_prctl: get_random_int(): 86c92499
    <...>-6502 [001] 618.321702: sys_prctl: get_random_int(): 27cd1b43
    <...>-6503 [001] 618.322520: sys_prctl: get_random_int(): e936bfeb
    <...>-6504 [000] 618.323318: sys_prctl: get_random_int(): d4f80d3c
    <...>-6505 [001] 618.324093: sys_prctl: get_random_int(): 9078a28d
    <...>-6506 [000] 618.324874: sys_prctl: get_random_int(): 25da7a03
    <...>-6507 [000] 618.325682: sys_prctl: get_random_int(): abfa7aa7
    <...>-6508 [001] 618.326475: sys_prctl: get_random_int(): 71b9ee23
    <...>-6509 [000] 618.327262: sys_prctl: get_random_int(): ccb7748d
    <...>-6510 [001] 618.328028: sys_prctl: get_random_int(): de59bd2d
    <...>-6511 [000] 618.328854: sys_prctl: get_random_int(): 4dfae3d0
    <...>-6512 [001] 618.329689: sys_prctl: get_random_int(): 1bcb042f
    <...>-6513 [001] 618.330512: sys_prctl: get_random_int(): 7daa6fdc
    <...>-6514 [000] 618.331306: sys_prctl: get_random_int(): 4a679714
    <...>-6515 [001] 618.332080: sys_prctl: get_random_int(): fe7eb37a
    <...>-6516 [000] 618.332865: sys_prctl: get_random_int(): 7267041c
    <...>-6517 [001] 618.333695: sys_prctl: get_random_int(): b2534334
    <...>-6518 [001] 618.334517: sys_prctl: get_random_int(): c6fc1f18
    <...>-6519 [000] 618.335316: sys_prctl: get_random_int(): 1b2c28c3
    <...>-6520 [001] 618.336084: sys_prctl: get_random_int(): 564f4cff
    <...>-6521 [000] 618.336879: sys_prctl: get_random_int(): e04bf4d1
    <...>-6522 [001] 618.337697: sys_prctl: get_random_int(): 48fc821b
    <...>-6523 [001] 618.338508: sys_prctl: get_random_int(): 36a9b920
    <...>-6524 [000] 618.339269: sys_prctl: get_random_int(): 713d7f6c
    <...>-6525 [001] 618.340043: sys_prctl: get_random_int(): 0ca1b588
    <...>-6526 [000] 618.340871: sys_prctl: get_random_int(): dc392ac5
    <...>-6527 [001] 618.341698: sys_prctl: get_random_int(): 96f4e601
    <...>-6528 [001] 618.342505: sys_prctl: get_random_int(): 7a88ba59
    <...>-6529 [000] 618.343268: sys_prctl: get_random_int(): a7bb7767
    <...>-6530 [001] 618.344042: sys_prctl: get_random_int(): 40b2246c
    <...>-6531 [000] 618.344871: sys_prctl: get_random_int(): 4cf2c778
    <...>-6532 [001] 618.345697: sys_prctl: get_random_int(): 27ce9238
    <...>-6533 [001] 618.346506: sys_prctl: get_random_int(): 82ab97f0
    <...>-6534 [000] 618.347265: sys_prctl: get_random_int(): 0a0af689
    <...>-6535 [001] 618.348042: sys_prctl: get_random_int(): 33ebb048
    <...>-6536 [000] 618.348868: sys_prctl: get_random_int(): 673ca6ef
    <...>-6537 [001] 618.349697: sys_prctl: get_random_int(): 43d8cfc5
    <...>-6538 [001] 618.350504: sys_prctl: get_random_int(): 660c45eb
    <...>-6539 [000] 618.351270: sys_prctl: get_random_int(): 7bdd2fc3
    <...>-6540 [001] 618.352043: sys_prctl: get_random_int(): 42f01405
    <...>-6541 [000] 618.352871: sys_prctl: get_random_int(): 87804684
    <...>-6542 [001] 618.353697: sys_prctl: get_random_int(): 4420e5c6
    <...>-6543 [001] 618.354509: sys_prctl: get_random_int(): ccd3fdba
    <...>-6544 [000] 618.355272: sys_prctl: get_random_int(): 878818a1
    <...>-6545 [001] 618.356045: sys_prctl: get_random_int(): daa3e3d0
    <...>-6546 [000] 618.356877: sys_prctl: get_random_int(): fbba68c2
    <...>-6547 [001] 618.357709: sys_prctl: get_random_int(): 81cbc31a
    <...>-6548 [001] 618.358518: sys_prctl: get_random_int(): e9a915e8
    <...>-6549 [000] 618.359285: sys_prctl: get_random_int(): efc5e143
    <...>-6550 [001] 618.360058: sys_prctl: get_random_int(): 1a08e4d7
    <...>-6551 [000] 618.360847: sys_prctl: get_random_int(): dc1e5771
    <...>-6552 [001] 618.361683: sys_prctl: get_random_int(): 22f974c9
    <...>-6553 [001] 618.362508: sys_prctl: get_random_int(): 6ca9ef3e
    <...>-6554 [000] 618.363302: sys_prctl: get_random_int(): 68eadff1
    <...>-6555 [001] 618.364075: sys_prctl: get_random_int(): 8b316b62
    <...>-6556 [000] 618.364858: sys_prctl: get_random_int(): 4dd386af
    <...>-6557 [001] 618.365690: sys_prctl: get_random_int(): 3ff6a8d7
    <...>-6558 [001] 618.366511: sys_prctl: get_random_int(): 152dd46e
    <...>-6559 [000] 618.367307: sys_prctl: get_random_int(): d28a6969
    <...>-6560 [001] 618.368075: sys_prctl: get_random_int(): 6966cb70
    <...>-6561 [000] 618.368863: sys_prctl: get_random_int(): 43421f85
    <...>-6562 [001] 618.369691: sys_prctl: get_random_int(): 3eb089a8
    <...>-6563 [001] 618.370514: sys_prctl: get_random_int(): 47079d75
    <...>-6564 [000] 618.371306: sys_prctl: get_random_int(): d5c2d282
    <...>-6565 [001] 618.372081: sys_prctl: get_random_int(): 4717efcb
    <...>-6566 [000] 618.372861: sys_prctl: get_random_int(): 25bc29de
    <...>-6567 [000] 618.373670: sys_prctl: get_random_int(): 978343b9
    <...>-6568 [001] 618.374462: sys_prctl: get_random_int(): 62b050be
    <...>-6569 [000] 618.375248: sys_prctl: get_random_int(): fc244f6d
    <...>-6570 [001] 618.376013: sys_prctl: get_random_int(): 1d03388f
    <...>-6571 [000] 618.376844: sys_prctl: get_random_int(): 990deb4b
    <...>-6572 [001] 618.377681: sys_prctl: get_random_int(): 8792427b
    <...>-6573 [001] 618.378507: sys_prctl: get_random_int(): 2344aad3
    <...>-6574 [000] 618.379300: sys_prctl: get_random_int(): 09d99c1c
    <...>-6575 [001] 618.380076: sys_prctl: get_random_int(): b867abae
    <...>-6576 [000] 618.380858: sys_prctl: get_random_int(): 441247c7
    <...>-6577 [000] 618.381668: sys_prctl: get_random_int(): 7022da76
    <...>-6578 [001] 618.382458: sys_prctl: get_random_int(): 6fe33d66
    <...>-6579 [000] 618.383244: sys_prctl: get_random_int(): f813204d
    <...>-6580 [001] 618.384015: sys_prctl: get_random_int(): 846cbe62
    <...>-6581 [000] 618.384842: sys_prctl: get_random_int(): 8839869d
    <...>-6582 [001] 618.385678: sys_prctl: get_random_int(): 1d70b5a5
    <...>-6583 [001] 618.386502: sys_prctl: get_random_int(): 99acdef4
    <...>-6584 [000] 618.387295: sys_prctl: get_random_int(): 60906ac6
    <...>-6585 [001] 618.388067: sys_prctl: get_random_int(): 229c161b
    <...>-6586 [000] 618.388848: sys_prctl: get_random_int(): 3258673e
    <...>-6587 [001] 618.389680: sys_prctl: get_random_int(): e08fadeb
    <...>-6588 [001] 618.390503: sys_prctl: get_random_int(): ac81deea
    <...>-6589 [000] 618.391297: sys_prctl: get_random_int(): 045b32e0
    <...>-6590 [001] 618.392062: sys_prctl: get_random_int(): 97ab145c
    <...>-6591 [000] 618.392849: sys_prctl: get_random_int(): feffb0da
    <...>-6592 [001] 618.393677: sys_prctl: get_random_int(): eb410916
    <...>-6593 [001] 618.394505: sys_prctl: get_random_int(): d84fd38a
    <...>-6594 [000] 618.395297: sys_prctl: get_random_int(): 87ac65df
    <...>-6595 [001] 618.396068: sys_prctl: get_random_int(): d05ab32c
    <...>-6596 [000] 618.396859: sys_prctl: get_random_int(): 591cc16a
    <...>-6597 [001] 618.397683: sys_prctl: get_random_int(): a693034a
    <...>-6598 [001] 618.398495: sys_prctl: get_random_int(): 6d777bce
    <...>-6599 [000] 618.399259: sys_prctl: get_random_int(): 5e0a52ed
    <...>-6600 [001] 618.400034: sys_prctl: get_random_int(): 9f031eed
    <...>-6601 [000] 618.400864: sys_prctl: get_random_int(): bae50780
    <...>-6602 [001] 618.401691: sys_prctl: get_random_int(): 399e3738
    <...>-6603 [001] 618.402505: sys_prctl: get_random_int(): 33d5f421
    <...>-6604 [000] 618.403271: sys_prctl: get_random_int(): 1ea06197
    <...>-6605 [001] 618.404049: sys_prctl: get_random_int(): da59ceee
    <...>-6606 [000] 618.404835: sys_prctl: get_random_int(): 17da30f3
    <...>-6607 [001] 618.405674: sys_prctl: get_random_int(): 900ce3c0
    <...>-6608 [001] 618.406494: sys_prctl: get_random_int(): 4fe22655
    <...>-6609 [000] 618.407291: sys_prctl: get_random_int(): ce917e9c
    <...>-6610 [001] 618.408059: sys_prctl: get_random_int(): 68dd1e3f
    <...>-6611 [000] 618.408847: sys_prctl: get_random_int(): 9825a14e
    <...>-6612 [001] 618.409680: sys_prctl: get_random_int(): 2b008372
    <...>-6613 [001] 618.410499: sys_prctl: get_random_int(): 0d46472b
    <...>-6614 [000] 618.411290: sys_prctl: get_random_int(): 9f589c21
    <...>-6615 [001] 618.412061: sys_prctl: get_random_int(): bd6db092
    <...>-6616 [000] 618.412846: sys_prctl: get_random_int(): 13904117
    <...>-6617 [001] 618.413676: sys_prctl: get_random_int(): 152f6a51
    <...>-6618 [001] 618.414504: sys_prctl: get_random_int(): 62beb5a2
    <...>-6619 [000] 618.415300: sys_prctl: get_random_int(): 8e0b0dbc
    <...>-6620 [001] 618.416068: sys_prctl: get_random_int(): f90e4568
    <...>-6621 [000] 618.416864: sys_prctl: get_random_int(): 3abb9894
    <...>-6622 [001] 618.417685: sys_prctl: get_random_int(): 93e79a16
    <...>-6623 [001] 618.418498: sys_prctl: get_random_int(): 382ee7bc
    <...>-6624 [000] 618.419259: sys_prctl: get_random_int(): 1a9e45ba
    <...>-6625 [001] 618.420033: sys_prctl: get_random_int(): 7c3019f8
    <...>-6626 [000] 618.420857: sys_prctl: get_random_int(): 24e5521d
    <...>-6627 [001] 618.421687: sys_prctl: get_random_int(): 0455d756
    <...>-6628 [001] 618.422496: sys_prctl: get_random_int(): d26e2b36
    <...>-6629 [000] 618.423258: sys_prctl: get_random_int(): 076d46b4
    <...>-6630 [001] 618.424030: sys_prctl: get_random_int(): bbf641d9
    <...>-6631 [000] 618.424858: sys_prctl: get_random_int(): cf438890
    <...>-6632 [001] 618.425681: sys_prctl: get_random_int(): a9420abf
    <...>-6633 [001] 618.426490: sys_prctl: get_random_int(): c4f97cc3
    <...>-6634 [000] 618.427252: sys_prctl: get_random_int(): a15afcff
    <...>-6635 [001] 618.428029: sys_prctl: get_random_int(): 6c0fe9df
    <...>-6636 [000] 618.428854: sys_prctl: get_random_int(): 57dd1080
    <...>-6637 [001] 618.429684: sys_prctl: get_random_int(): af1a3406
    <...>-6638 [001] 618.430491: sys_prctl: get_random_int(): a1267ab6
    <...>-6639 [000] 618.431254: sys_prctl: get_random_int(): ee2bac2f
    <...>-6640 [001] 618.432025: sys_prctl: get_random_int(): 83016889
    <...>-6641 [000] 618.432855: sys_prctl: get_random_int(): 2a328efe
    <...>-6642 [001] 618.433680: sys_prctl: get_random_int(): f6d78972
    <...>-6643 [001] 618.434489: sys_prctl: get_random_int(): 8040699c
    <...>-6644 [000] 618.435998: sys_prctl: get_random_int(): 29dc137a
    <...>-6647 [001] 618.437765: sys_prctl: get_random_int(): 64460b77
    # tracer: nop
    #
    # TASK-PID CPU# TIMESTAMP FUNCTION
    # | | | | |
    <...>-18309 [000] 627.751792: sys_prctl: get_random_int(): 52310f6f
    <...>-18311 [000] 627.753395: sys_prctl: get_random_int(): 5c5960a1
    <...>-18314 [000] 627.755783: sys_prctl: get_random_int(): d03a9c4f
    <...>-18316 [000] 627.757381: sys_prctl: get_random_int(): 75cb90fb
    <...>-18319 [000] 627.759842: sys_prctl: get_random_int(): 9e3f7384
    <...>-18321 [000] 627.761397: sys_prctl: get_random_int(): 521f9b7f
    <...>-18324 [000] 627.763838: sys_prctl: get_random_int(): 145024e2
    <...>-18326 [000] 627.765396: sys_prctl: get_random_int(): 59f8fc60
    <...>-18327 [000] 627.766205: sys_prctl: get_random_int(): 03a496b0
    <...>-18329 [000] 627.767786: sys_prctl: get_random_int(): dd355d04
    <...>-18331 [000] 627.769386: sys_prctl: get_random_int(): f49c8191
    <...>-18334 [000] 627.771833: sys_prctl: get_random_int(): 83342d58
    <...>-18336 [000] 627.773389: sys_prctl: get_random_int(): b32f9abd
    <...>-18339 [000] 627.775782: sys_prctl: get_random_int(): bdb28608
    <...>-18341 [000] 627.777379: sys_prctl: get_random_int(): 97b35104
    <...>-18344 [000] 627.779830: sys_prctl: get_random_int(): 03e5c046
    <...>-18346 [000] 627.781387: sys_prctl: get_random_int(): 76069298
    <...>-18349 [000] 627.783833: sys_prctl: get_random_int(): 871a9fc2
    <...>-18351 [000] 627.785389: sys_prctl: get_random_int(): f6a7f29d
    <...>-18354 [000] 627.787835: sys_prctl: get_random_int(): 1d5ba7d4
    <...>-18356 [000] 627.789395: sys_prctl: get_random_int(): 955b60b5
    <...>-18359 [000] 627.791795: sys_prctl: get_random_int(): 7a8163a3
    <...>-18361 [000] 627.793401: sys_prctl: get_random_int(): b3e565d0
    <...>-18364 [000] 627.795808: sys_prctl: get_random_int(): 7c27c9f4
    <...>-18366 [000] 627.797410: sys_prctl: get_random_int(): b9ae9f67
    <...>-18369 [000] 627.799816: sys_prctl: get_random_int(): 84104ba4
    <...>-18371 [000] 627.801380: sys_prctl: get_random_int(): c475d325
    <...>-18374 [000] 627.803850: sys_prctl: get_random_int(): 69740e42
    <...>-18376 [000] 627.805407: sys_prctl: get_random_int(): e0d95210
    <...>-18379 [000] 627.807801: sys_prctl: get_random_int(): f4c7cb57
    <...>-18381 [000] 627.809401: sys_prctl: get_random_int(): 8bddd856
    <...>-18384 [000] 627.811793: sys_prctl: get_random_int(): db2eb8b4
    <...>-18386 [000] 627.813396: sys_prctl: get_random_int(): 3b8d152f
    ##### CPU 1 buffer started ####
    <...>-18387 [001] 627.814231: sys_prctl: get_random_int(): e97aca26
    <...>-18388 [001] 627.815040: sys_prctl: get_random_int(): a8cdf2b8
    <...>-18389 [000] 627.815804: sys_prctl: get_random_int(): 85e89c6f
    <...>-18390 [001] 627.816578: sys_prctl: get_random_int(): 114b1f3d
    <...>-18391 [000] 627.817368: sys_prctl: get_random_int(): 638c4a68
    <...>-18392 [001] 627.818204: sys_prctl: get_random_int(): f6ba825a
    <...>-18393 [001] 627.819026: sys_prctl: get_random_int(): e5174c9d
    <...>-18394 [000] 627.819822: sys_prctl: get_random_int(): a257b6ad
    <...>-18395 [001] 627.820595: sys_prctl: get_random_int(): 70aad3e0
    <...>-18396 [000] 627.821380: sys_prctl: get_random_int(): c94d47c9
    <...>-18397 [000] 627.822190: sys_prctl: get_random_int(): a0c620eb
    <...>-18398 [001] 627.822980: sys_prctl: get_random_int(): 6fdd32fb
    <...>-18399 [000] 627.823768: sys_prctl: get_random_int(): 42f82e7b
    <...>-18400 [001] 627.824537: sys_prctl: get_random_int(): 1c3e424c
    <...>-18401 [000] 627.825364: sys_prctl: get_random_int(): 61cf775e
    <...>-18402 [001] 627.826201: sys_prctl: get_random_int(): bd183fd1
    <...>-18403 [001] 627.827024: sys_prctl: get_random_int(): f5f71d3a
    <...>-18404 [000] 627.827816: sys_prctl: get_random_int(): f46a14cf
    <...>-18405 [001] 627.828587: sys_prctl: get_random_int(): 0b36e2ff
    <...>-18406 [000] 627.829373: sys_prctl: get_random_int(): 28d59de4
    <...>-18407 [001] 627.830201: sys_prctl: get_random_int(): d28737e7
    <...>-18408 [001] 627.831025: sys_prctl: get_random_int(): 0653b0d2
    <...>-18409 [000] 627.831825: sys_prctl: get_random_int(): 54c11a51
    <...>-18410 [001] 627.832595: sys_prctl: get_random_int(): 872a8834
    <...>-18411 [000] 627.833381: sys_prctl: get_random_int(): c21a6299
    <...>-18412 [000] 627.834200: sys_prctl: get_random_int(): 29e928e4
    <...>-18413 [001] 627.834964: sys_prctl: get_random_int(): cc0abad5
    <...>-18414 [000] 627.835755: sys_prctl: get_random_int(): c048aed4
    <...>-18415 [001] 627.836528: sys_prctl: get_random_int(): 858e93ec
    <...>-18416 [000] 627.837350: sys_prctl: get_random_int(): a73c6d44
    <...>-18417 [001] 627.838187: sys_prctl: get_random_int(): 35d5aa36
    <...>-18418 [001] 627.839007: sys_prctl: get_random_int(): 0f0f0463
    <...>-18419 [000] 627.839805: sys_prctl: get_random_int(): affd4d3b
    <...>-18420 [001] 627.840576: sys_prctl: get_random_int(): 16e51420
    <...>-18421 [000] 627.841364: sys_prctl: get_random_int(): 5a3343ab
    <...>-18422 [001] 627.842198: sys_prctl: get_random_int(): 9e664ba2
    <...>-18423 [001] 627.843019: sys_prctl: get_random_int(): 5ee2700c
    <...>-18424 [000] 627.843814: sys_prctl: get_random_int(): fa2f580e
    <...>-18425 [001] 627.844586: sys_prctl: get_random_int(): 326f61cc
    <...>-18426 [000] 627.845371: sys_prctl: get_random_int(): cea84dbd
    <...>-18427 [001] 627.846199: sys_prctl: get_random_int(): 1ca5c991
    <...>-18428 [001] 627.847021: sys_prctl: get_random_int(): 69f6619a
    <...>-18429 [000] 627.847814: sys_prctl: get_random_int(): 57bd10d0
    <...>-18430 [001] 627.848583: sys_prctl: get_random_int(): 3bb05c34
    <...>-18431 [000] 627.849370: sys_prctl: get_random_int(): 7760fc5d
    <...>-18432 [001] 627.850203: sys_prctl: get_random_int(): 65a6bb3e
    <...>-18433 [001] 627.851025: sys_prctl: get_random_int(): 73385e77
    <...>-18434 [000] 627.851820: sys_prctl: get_random_int(): 8c85bb21
    <...>-18435 [001] 627.852593: sys_prctl: get_random_int(): 422f2fcc
    <...>-18436 [000] 627.853377: sys_prctl: get_random_int(): a8e8d794
    <...>-18437 [000] 627.854198: sys_prctl: get_random_int(): 24c1da57
    <...>-18438 [001] 627.854984: sys_prctl: get_random_int(): 6a924143
    <...>-18439 [000] 627.855772: sys_prctl: get_random_int(): 7d0fa9a5
    <...>-18440 [001] 627.856543: sys_prctl: get_random_int(): 50ca3344
    <...>-18441 [000] 627.857367: sys_prctl: get_random_int(): abeaee51
    <...>-18442 [001] 627.858199: sys_prctl: get_random_int(): b5236f5a
    <...>-18443 [001] 627.859021: sys_prctl: get_random_int(): 1a87a04d
    <...>-18444 [000] 627.859814: sys_prctl: get_random_int(): 7f5c71de
    <...>-18445 [001] 627.860585: sys_prctl: get_random_int(): 5bf10a7f
    <...>-18446 [000] 627.861372: sys_prctl: get_random_int(): 1ecd5288
    <...>-18447 [000] 627.862183: sys_prctl: get_random_int(): a9266a23
    <...>-18448 [001] 627.862968: sys_prctl: get_random_int(): 304c0101
    <...>-18449 [000] 627.863754: sys_prctl: get_random_int(): 7cc1b135
    <...>-18450 [001] 627.864522: sys_prctl: get_random_int(): 4f838d1f
    <...>-18451 [000] 627.865344: sys_prctl: get_random_int(): c91b8920
    <...>-18452 [001] 627.866178: sys_prctl: get_random_int(): f0cb88e2
    <...>-18453 [001] 627.867006: sys_prctl: get_random_int(): 9a747948
    <...>-18454 [000] 627.867797: sys_prctl: get_random_int(): c142e039
    <...>-18455 [001] 627.868567: sys_prctl: get_random_int(): 4238d17e
    <...>-18456 [000] 627.869350: sys_prctl: get_random_int(): bff4fde7
    <...>-18457 [001] 627.870187: sys_prctl: get_random_int(): 83343bff
    <...>-18458 [001] 627.871009: sys_prctl: get_random_int(): c098220b
    <...>-18459 [000] 627.871807: sys_prctl: get_random_int(): bb320215
    <...>-18460 [001] 627.872576: sys_prctl: get_random_int(): c74cf7d7
    <...>-18461 [000] 627.873365: sys_prctl: get_random_int(): 090be4c0
    <...>-18462 [001] 627.874201: sys_prctl: get_random_int(): 9e5898d7
    <...>-18463 [001] 627.874964: sys_prctl: get_random_int(): 86ec672c
    <...>-18464 [000] 627.875755: sys_prctl: get_random_int(): edc62d03
    <...>-18465 [001] 627.876527: sys_prctl: get_random_int(): 1a3dd822
    <...>-18466 [000] 627.877352: sys_prctl: get_random_int(): f67f6a20
    <...>-18467 [001] 627.878192: sys_prctl: get_random_int(): b1a95cf3
    <...>-18468 [001] 627.879008: sys_prctl: get_random_int(): 364517e1
    <...>-18469 [000] 627.879805: sys_prctl: get_random_int(): c64e3193
    <...>-18470 [001] 627.880573: sys_prctl: get_random_int(): bfa7483f
    <...>-18471 [000] 627.881358: sys_prctl: get_random_int(): 2032e9f8
    <...>-18472 [001] 627.882187: sys_prctl: get_random_int(): 2a669bac
    <...>-18473 [001] 627.883012: sys_prctl: get_random_int(): 306b1e26
    <...>-18474 [000] 627.883803: sys_prctl: get_random_int(): 2a4eeccc
    <...>-18475 [001] 627.884572: sys_prctl: get_random_int(): 50dcd09e
    <...>-18476 [000] 627.885357: sys_prctl: get_random_int(): 714e88a0
    <...>-18477 [001] 627.886190: sys_prctl: get_random_int(): 52f8906e
    <...>-18478 [001] 627.887013: sys_prctl: get_random_int(): ec01de8c
    <...>-18479 [000] 627.887812: sys_prctl: get_random_int(): c60c4df2
    <...>-18480 [001] 627.888583: sys_prctl: get_random_int(): 759ffb8c
    <...>-18481 [000] 627.889367: sys_prctl: get_random_int(): f65a79e1
    <...>-18482 [001] 627.890191: sys_prctl: get_random_int(): d4733c69
    <...>-18483 [001] 627.890951: sys_prctl: get_random_int(): 1e85a905
    <...>-18484 [000] 627.891741: sys_prctl: get_random_int(): d486b9bf
    <...>-18485 [001] 627.892511: sys_prctl: get_random_int(): b04c0596
    <...>-18486 [000] 627.893335: sys_prctl: get_random_int(): ae431490
    <...>-18487 [001] 627.894187: sys_prctl: get_random_int(): 954b83e4
    <...>-18488 [001] 627.895007: sys_prctl: get_random_int(): 84cdd8f9
    <...>-18489 [000] 627.895803: sys_prctl: get_random_int(): f655c354
    <...>-18490 [001] 627.896576: sys_prctl: get_random_int(): 60f2f7fe
    <...>-18491 [000] 627.897363: sys_prctl: get_random_int(): f15e864f
    <...>-18492 [001] 627.898189: sys_prctl: get_random_int(): 4de26b7a
    <...>-18493 [001] 627.899019: sys_prctl: get_random_int(): 3632d98d
    <...>-18494 [000] 627.899811: sys_prctl: get_random_int(): 6398f233
    <...>-18495 [001] 627.900588: sys_prctl: get_random_int(): 4f19b083
    <...>-18496 [000] 627.901371: sys_prctl: get_random_int(): e696aed7
    <...>-18497 [001] 627.902196: sys_prctl: get_random_int(): 2d6f06fa
    <...>-18498 [001] 627.903006: sys_prctl: get_random_int(): bbd4a5a7
    <...>-18499 [000] 627.903771: sys_prctl: get_random_int(): af4e7caa
    <...>-18500 [001] 627.904541: sys_prctl: get_random_int(): 1e1efc83
    <...>-18501 [000] 627.905372: sys_prctl: get_random_int(): 28dd50e1
    <...>-18502 [001] 627.906197: sys_prctl: get_random_int(): 0faa0489
    <...>-18503 [001] 627.907006: sys_prctl: get_random_int(): 45932529
    <...>-18504 [000] 627.907766: sys_prctl: get_random_int(): 3101de22
    <...>-18505 [001] 627.908542: sys_prctl: get_random_int(): a6616538
    <...>-18506 [000] 627.909365: sys_prctl: get_random_int(): 745b41c5
    <...>-18507 [001] 627.910194: sys_prctl: get_random_int(): 961f937a
    <...>-18508 [001] 627.911001: sys_prctl: get_random_int(): 27bf8b8b
    <...>-18509 [000] 627.911764: sys_prctl: get_random_int(): 6b976e6a
    <...>-18510 [001] 627.912538: sys_prctl: get_random_int(): 04501e6f
    <...>-18511 [000] 627.913369: sys_prctl: get_random_int(): fb3e4bed
    <...>-18512 [001] 627.914204: sys_prctl: get_random_int(): d5ea788d
    <...>-18513 [001] 627.915016: sys_prctl: get_random_int(): ba990947
    <...>-18514 [000] 627.915778: sys_prctl: get_random_int(): 3de8e678
    <...>-18515 [001] 627.916552: sys_prctl: get_random_int(): 191b2192
    <...>-18516 [000] 627.917377: sys_prctl: get_random_int(): dabbcec6
    <...>-18517 [001] 627.918205: sys_prctl: get_random_int(): 02c784aa
    <...>-18518 [001] 627.919012: sys_prctl: get_random_int(): d70791f2
    <...>-18519 [000] 627.919778: sys_prctl: get_random_int(): 43421c09
    <...>-18520 [001] 627.920549: sys_prctl: get_random_int(): e054e4cd
    <...>-18521 [000] 627.921342: sys_prctl: get_random_int(): 581cd65e
    <...>-18522 [001] 627.922180: sys_prctl: get_random_int(): c5306f50
    <...>-18523 [001] 627.922999: sys_prctl: get_random_int(): ccf46cf0
    <...>-18524 [000] 627.923789: sys_prctl: get_random_int(): f1a6e38d
    <...>-18525 [001] 627.924564: sys_prctl: get_random_int(): bcbaf1e5
    <...>-18526 [000] 627.925347: sys_prctl: get_random_int(): ffdcb654
    <...>-18527 [001] 627.926178: sys_prctl: get_random_int(): e3814837
    <...>-18528 [001] 627.927000: sys_prctl: get_random_int(): e2d86125
    <...>-18529 [000] 627.927796: sys_prctl: get_random_int(): 4b575890
    <...>-18530 [001] 627.928565: sys_prctl: get_random_int(): 4bbbaa1e
    <...>-18531 [000] 627.929353: sys_prctl: get_random_int(): dfb1056d
    <...>-18532 [001] 627.930179: sys_prctl: get_random_int(): d4dae55d
    <...>-18533 [001] 627.931002: sys_prctl: get_random_int(): c71c0bb1
    <...>-18534 [000] 627.931793: sys_prctl: get_random_int(): b85cc1bf
    <...>-18535 [001] 627.932567: sys_prctl: get_random_int(): 362cc1a2
    <...>-18536 [000] 627.933350: sys_prctl: get_random_int(): 71b243ce
    <...>-18537 [001] 627.934185: sys_prctl: get_random_int(): 5190e11b
    <...>-18538 [001] 627.934945: sys_prctl: get_random_int(): 5a64d246
    <...>-18539 [000] 627.935740: sys_prctl: get_random_int(): da00778b
    <...>-18540 [001] 627.936509: sys_prctl: get_random_int(): 587621e4
    <...>-18541 [000] 627.937334: sys_prctl: get_random_int(): f3a9e3c8
    <...>-18542 [001] 627.938171: sys_prctl: get_random_int(): df2032bc
    <...>-18543 [001] 627.938994: sys_prctl: get_random_int(): 4117c14e
    <...>-18544 [000] 627.939786: sys_prctl: get_random_int(): a6c328c6
    <...>-18545 [001] 627.940560: sys_prctl: get_random_int(): 6d65f77c
    <...>-18546 [000] 627.941344: sys_prctl: get_random_int(): 32ccd9cf
    <...>-18547 [001] 627.942175: sys_prctl: get_random_int(): 84c21c2e
    <...>-18548 [001] 627.943003: sys_prctl: get_random_int(): 43adc633
    <...>-18549 [000] 627.943797: sys_prctl: get_random_int(): daad681e
    <...>-18550 [001] 627.944566: sys_prctl: get_random_int(): 691fc2ea
    <...>-18551 [000] 627.945355: sys_prctl: get_random_int(): 48d18004
    <...>-18552 [001] 627.946176: sys_prctl: get_random_int(): fd9ffbd2
    <...>-18553 [001] 627.946932: sys_prctl: get_random_int(): 6bf8f482
    <...>-18554 [000] 627.947724: sys_prctl: get_random_int(): f2e85e39
    <...>-18555 [001] 627.948497: sys_prctl: get_random_int(): 4cc7edf2
    <...>-18556 [000] 627.949320: sys_prctl: get_random_int(): a6dcb927
    <...>-18557 [001] 627.950158: sys_prctl: get_random_int(): 9b2e0164
    <...>-18558 [001] 627.950983: sys_prctl: get_random_int(): 3a6a42bd
    <...>-18559 [000] 627.951776: sys_prctl: get_random_int(): 1c47d070
    <...>-18560 [001] 627.952545: sys_prctl: get_random_int(): 16075ee5
    <...>-18561 [000] 627.953333: sys_prctl: get_random_int(): 0382027b
    <...>-18562 [001] 627.954175: sys_prctl: get_random_int(): c5693b95
    <...>-18563 [001] 627.955001: sys_prctl: get_random_int(): 46b315c1
    <...>-18564 [000] 627.955798: sys_prctl: get_random_int(): 1726dfc0
    <...>-18565 [001] 627.956570: sys_prctl: get_random_int(): f2ce9d1e
    <...>-18566 [000] 627.957349: sys_prctl: get_random_int(): 280b1db2
    <...>-18567 [000] 627.958158: sys_prctl: get_random_int(): 34ee77a5
    <...>-18568 [001] 627.958950: sys_prctl: get_random_int(): 3fdea472
    <...>-18569 [000] 627.959739: sys_prctl: get_random_int(): 97367791
    <...>-18570 [001] 627.960508: sys_prctl: get_random_int(): 321129ba
    <...>-18571 [000] 627.961336: sys_prctl: get_random_int(): 2697257c
    <...>-18572 [001] 627.962172: sys_prctl: get_random_int(): 9041082c
    <...>-18573 [001] 627.962993: sys_prctl: get_random_int(): 745f54f6
    <...>-18574 [000] 627.963783: sys_prctl: get_random_int(): f8e8f387
    <...>-18575 [001] 627.964552: sys_prctl: get_random_int(): 56b494c7
    <...>-18577 [000] 627.965334: sys_prctl: get_random_int(): c07b5f17
    <...>-18578 [001] 627.966164: sys_prctl: get_random_int(): 0bfc02a8
    <...>-18579 [001] 627.966987: sys_prctl: get_random_int(): e82d9b2d
    <...>-18580 [000] 627.967780: sys_prctl: get_random_int(): 8296b72b
    <...>-18581 [001] 627.968550: sys_prctl: get_random_int(): 6fabdb15
    <...>-18582 [000] 627.969335: sys_prctl: get_random_int(): 35a70752
    <...>-18583 [001] 627.970163: sys_prctl: get_random_int(): 0ee8fcd3
    <...>-18584 [001] 627.970984: sys_prctl: get_random_int(): c2293934
    <...>-18585 [000] 627.971777: sys_prctl: get_random_int(): 445f7a05
    <...>-18586 [001] 627.972547: sys_prctl: get_random_int(): 2a663058
    <...>-18587 [000] 627.973332: sys_prctl: get_random_int(): 5477fcd5
    <...>-18588 [001] 627.974174: sys_prctl: get_random_int(): 8cc30a16
    <...>-18589 [001] 627.974994: sys_prctl: get_random_int(): b737f4af
    <...>-18590 [000] 627.975792: sys_prctl: get_random_int(): 538c5074
    <...>-18591 [001] 627.976561: sys_prctl: get_random_int(): 3266cbc6
    <...>-18592 [000] 627.977347: sys_prctl: get_random_int(): 7853c392
    <...>-18593 [000] 627.978156: sys_prctl: get_random_int(): 4d326cc5
    <...>-18594 [001] 627.978948: sys_prctl: get_random_int(): aa89393a
    <...>-18595 [000] 627.979733: sys_prctl: get_random_int(): 6c0246da
    <...>-18596 [001] 627.980503: sys_prctl: get_random_int(): 95b86f81
    <...>-18597 [000] 627.981329: sys_prctl: get_random_int(): 536fea63
    <...>-18598 [001] 627.982167: sys_prctl: get_random_int(): f376b88f
    <...>-18599 [001] 627.982988: sys_prctl: get_random_int(): 61300d20
    <...>-18600 [000] 627.983786: sys_prctl: get_random_int(): 4fb7675b
    <...>-18601 [001] 627.984555: sys_prctl: get_random_int(): 05b7519a
    <...>-18602 [000] 627.985342: sys_prctl: get_random_int(): 1dc996df
    <...>-18603 [001] 627.986164: sys_prctl: get_random_int(): b61126a1
    <...>-18604 [001] 627.986915: sys_prctl: get_random_int(): 2ac26f3c
    <...>-18605 [000] 627.987710: sys_prctl: get_random_int(): 19a541ab
    <...>-18606 [001] 627.988482: sys_prctl: get_random_int(): b59bf4af
    <...>-18607 [000] 627.989306: sys_prctl: get_random_int(): 154838a5
    <...>-18608 [001] 627.990146: sys_prctl: get_random_int(): c5f91d79
    <...>-18609 [001] 627.990969: sys_prctl: get_random_int(): 61775e7a
    <...>-18610 [000] 627.991764: sys_prctl: get_random_int(): a310e20c
    <...>-18611 [001] 627.992532: sys_prctl: get_random_int(): 7e3850d9
    <...>-18612 [000] 627.993318: sys_prctl: get_random_int(): 84caa2e8
    <...>-18613 [001] 627.994163: sys_prctl: get_random_int(): b24878e2
    <...>-18614 [001] 627.994991: sys_prctl: get_random_int(): f2653380
    <...>-18615 [000] 627.995786: sys_prctl: get_random_int(): d85cee27
    <...>-18616 [001] 627.996561: sys_prctl: get_random_int(): 9b8505e6
    <...>-18617 [000] 627.997344: sys_prctl: get_random_int(): 257c4522
    <...>-18618 [001] 627.998171: sys_prctl: get_random_int(): e4339624
    <...>-18619 [001] 627.998980: sys_prctl: get_random_int(): 7228a721
    <...>-18620 [000] 627.999745: sys_prctl: get_random_int(): e121b81c
    <...>-18621 [001] 628.000520: sys_prctl: get_random_int(): 8431d816
    <...>-18622 [000] 628.001351: sys_prctl: get_random_int(): 501faecf
    <...>-18623 [001] 628.002178: sys_prctl: get_random_int(): 46b05afc
    <...>-18624 [001] 628.002996: sys_prctl: get_random_int(): eda462d0
    <...>-18625 [000] 628.003755: sys_prctl: get_random_int(): b1697ab1
    <...>-18626 [001] 628.004536: sys_prctl: get_random_int(): 0ec26266
    <...>-18627 [000] 628.005320: sys_prctl: get_random_int(): 3cc19600
    <...>-18628 [001] 628.006160: sys_prctl: get_random_int(): 5a8e9b61
    <...>-18629 [001] 628.006977: sys_prctl: get_random_int(): d4d4a5ee
    <...>-18630 [000] 628.007773: sys_prctl: get_random_int(): 2af9a36f
    <...>-18631 [001] 628.008540: sys_prctl: get_random_int(): 23aaa78d
    <...>-18632 [000] 628.009327: sys_prctl: get_random_int(): 337e8c2a
    <...>-18633 [001] 628.010156: sys_prctl: get_random_int(): 2e04775c
    <...>-18634 [001] 628.010978: sys_prctl: get_random_int(): c16d86a0
    <...>-18635 [000] 628.011771: sys_prctl: get_random_int(): 7918801e
    <...>-18636 [001] 628.012544: sys_prctl: get_random_int(): 9f456e1f
    <...>-18637 [000] 628.013325: sys_prctl: get_random_int(): f3b7cba9
    <...>-18638 [001] 628.014164: sys_prctl: get_random_int(): 3cd20579
    <...>-18639 [001] 628.014923: sys_prctl: get_random_int(): c69f87ca
    <...>-18640 [000] 628.015720: sys_prctl: get_random_int(): 15aa25da
    <...>-18641 [001] 628.016490: sys_prctl: get_random_int(): e2bfeacc
    <...>-18642 [000] 628.017316: sys_prctl: get_random_int(): 93e79b19
    <...>-18643 [001] 628.018150: sys_prctl: get_random_int(): f2d7f276
    <...>-18644 [001] 628.018971: sys_prctl: get_random_int(): 72a4f012
    <...>-18645 [000] 628.019768: sys_prctl: get_random_int(): ac4a3c77
    <...>-18646 [001] 628.020542: sys_prctl: get_random_int(): a3bb226a
    <...>-18647 [000] 628.021325: sys_prctl: get_random_int(): 4a684dfb
    <...>-18648 [001] 628.022158: sys_prctl: get_random_int(): c24b4d0d
    <...>-18649 [001] 628.022978: sys_prctl: get_random_int(): e1e865db
    <...>-18650 [000] 628.023774: sys_prctl: get_random_int(): 52ce4c15
    <...>-18651 [001] 628.024544: sys_prctl: get_random_int(): 8958e813
    <...>-18652 [000] 628.025333: sys_prctl: get_random_int(): d684716f
    <...>-18653 [001] 628.026155: sys_prctl: get_random_int(): da0202bd
    <...>-18654 [001] 628.026909: sys_prctl: get_random_int(): c59d5ed6
    <...>-18655 [000] 628.027700: sys_prctl: get_random_int(): dd10bd34
    <...>-18656 [001] 628.028474: sys_prctl: get_random_int(): 7f7644a6
    <...>-18657 [001] 628.029311: sys_prctl: get_random_int(): 01a431f1
    # tracer: nop
    #
    # TASK-PID CPU# TIMESTAMP FUNCTION
    # | | | | |
    <...>-23256 [000] 734.874773: sys_prctl: get_random_int(): a64ca595
    <...>-23258 [000] 734.876326: sys_prctl: get_random_int(): e88f5453
    <...>-23261 [000] 734.878769: sys_prctl: get_random_int(): 22ff1a17
    <...>-23263 [000] 734.880324: sys_prctl: get_random_int(): 99fe148a
    <...>-23264 [000] 734.881141: sys_prctl: get_random_int(): 40f6778f
    <...>-23266 [000] 734.882723: sys_prctl: get_random_int(): d769bd9e
    <...>-23268 [000] 734.884325: sys_prctl: get_random_int(): 3dc6a713
    <...>-23271 [000] 734.886707: sys_prctl: get_random_int(): 85f3a9d3
    <...>-23273 [000] 734.888300: sys_prctl: get_random_int(): 8c5015b7
    <...>-23276 [000] 734.890759: sys_prctl: get_random_int(): 50a94bca
    <...>-23278 [000] 734.892313: sys_prctl: get_random_int(): e96a1eb1
    ##### CPU 1 buffer started ####
    <...>-23280 [001] 734.893969: sys_prctl: get_random_int(): 02c61ff6
    <...>-23281 [000] 734.894760: sys_prctl: get_random_int(): 78595394
    <...>-23282 [001] 734.895533: sys_prctl: get_random_int(): 4edbadf8
    <...>-23283 [000] 734.896315: sys_prctl: get_random_int(): 2a7bfe4a
    <...>-23284 [001] 734.897146: sys_prctl: get_random_int(): 37ceb873
    <...>-23285 [001] 734.897965: sys_prctl: get_random_int(): 3a4ec289
    <...>-23286 [000] 734.898763: sys_prctl: get_random_int(): cf5e9125
    <...>-23287 [001] 734.899529: sys_prctl: get_random_int(): 0456fdf7
    <...>-23288 [000] 734.900316: sys_prctl: get_random_int(): 0c059a10
    <...>-23289 [001] 734.901147: sys_prctl: get_random_int(): 7b469e29
    <...>-23290 [001] 734.901974: sys_prctl: get_random_int(): 5068434d
    <...>-23291 [000] 734.902766: sys_prctl: get_random_int(): e92fba13
    <...>-23292 [001] 734.903539: sys_prctl: get_random_int(): adf80330
    <...>-23293 [000] 734.904321: sys_prctl: get_random_int(): 627a6686
    <...>-23294 [000] 734.905133: sys_prctl: get_random_int(): 9a95dfc0
    <...>-23295 [001] 734.905934: sys_prctl: get_random_int(): e9b7ff83
    <...>-23296 [000] 734.906720: sys_prctl: get_random_int(): caf6f557
    <...>-23297 [001] 734.907488: sys_prctl: get_random_int(): 967bd995
    <...>-23298 [000] 734.908317: sys_prctl: get_random_int(): 09ff7740
    <...>-23299 [001] 734.909145: sys_prctl: get_random_int(): fd15e37b
    <...>-23300 [001] 734.909894: sys_prctl: get_random_int(): 241e1bb5
    <...>-23301 [000] 734.910685: sys_prctl: get_random_int(): 6a3fb579
    <...>-23302 [001] 734.911458: sys_prctl: get_random_int(): 62d7f835
    <...>-23303 [000] 734.912281: sys_prctl: get_random_int(): dc1388de
    <...>-23304 [001] 734.913120: sys_prctl: get_random_int(): da9bfff5
    <...>-23305 [001] 734.913938: sys_prctl: get_random_int(): beaef652
    <...>-23306 [000] 734.914731: sys_prctl: get_random_int(): 4ccf35fd
    <...>-23307 [001] 734.915501: sys_prctl: get_random_int(): 7f80a00f
    <...>-23308 [000] 734.916327: sys_prctl: get_random_int(): a73249ca
    <...>-23309 [001] 734.917150: sys_prctl: get_random_int(): b20a214d
    <...>-23310 [001] 734.917964: sys_prctl: get_random_int(): 067e9686
    <...>-23311 [000] 734.918724: sys_prctl: get_random_int(): f13d462f
    <...>-23312 [001] 734.919501: sys_prctl: get_random_int(): 765cb10e
    <...>-23313 [000] 734.920325: sys_prctl: get_random_int(): 01f9270a
    <...>-23314 [001] 734.921153: sys_prctl: get_random_int(): d047f8b8
    <...>-23315 [001] 734.921961: sys_prctl: get_random_int(): a03535ee
    <...>-23316 [000] 734.922722: sys_prctl: get_random_int(): 5fbadc9d
    <...>-23317 [001] 734.923494: sys_prctl: get_random_int(): 455cfc51
    <...>-23318 [000] 734.924324: sys_prctl: get_random_int(): 39db49a4
    <...>-23319 [001] 734.925152: sys_prctl: get_random_int(): f8a2ade6
    <...>-23320 [001] 734.925972: sys_prctl: get_random_int(): 42ef8040
    <...>-23321 [000] 734.926732: sys_prctl: get_random_int(): e0fc8cc3
    <...>-23322 [001] 734.927507: sys_prctl: get_random_int(): 272199d9
    <...>-23323 [000] 734.928335: sys_prctl: get_random_int(): e0ddda72
    <...>-23324 [001] 734.929167: sys_prctl: get_random_int(): ea380a40
    <...>-23325 [001] 734.929976: sys_prctl: get_random_int(): cd9d10b4
    <...>-23326 [000] 734.930738: sys_prctl: get_random_int(): de85cd17
    <...>-23327 [001] 734.931509: sys_prctl: get_random_int(): 90ac37b3
    <...>-23328 [000] 734.932300: sys_prctl: get_random_int(): 2303f763
    <...>-23329 [001] 734.933134: sys_prctl: get_random_int(): b67d8ffc
    <...>-23330 [001] 734.933963: sys_prctl: get_random_int(): f475a889
    <...>-23331 [000] 734.934755: sys_prctl: get_random_int(): 969d0d50
    <...>-23332 [001] 734.935527: sys_prctl: get_random_int(): d2a064c2
    <...>-23333 [000] 734.936307: sys_prctl: get_random_int(): 9336bec4
    <...>-23334 [001] 734.937137: sys_prctl: get_random_int(): 26e1c1f5
    <...>-23335 [001] 734.937960: sys_prctl: get_random_int(): 21a483c5
    <...>-23336 [000] 734.938755: sys_prctl: get_random_int(): 08a3e6e6
    <...>-23337 [001] 734.939522: sys_prctl: get_random_int(): ece48064
    <...>-23338 [000] 734.940311: sys_prctl: get_random_int(): 41ad055d
    <...>-23339 [001] 734.941137: sys_prctl: get_random_int(): 1344d886
    <...>-23340 [001] 734.941893: sys_prctl: get_random_int(): 0ad603db
    <...>-23341 [000] 734.942682: sys_prctl: get_random_int(): ce48c370
    <...>-23342 [001] 734.943455: sys_prctl: get_random_int(): d81e1039
    <...>-23343 [000] 734.944278: sys_prctl: get_random_int(): 7d819570
    <...>-23344 [001] 734.945116: sys_prctl: get_random_int(): d2b48464
    <...>-23345 [001] 734.945946: sys_prctl: get_random_int(): 85548a2f
    <...>-23346 [000] 734.946738: sys_prctl: get_random_int(): 5251e8db
    <...>-23347 [001] 734.947504: sys_prctl: get_random_int(): f5be1507
    <...>-23348 [000] 734.948291: sys_prctl: get_random_int(): be9a7219
    <...>-23349 [001] 734.949125: sys_prctl: get_random_int(): 79867990
    <...>-23350 [001] 734.949946: sys_prctl: get_random_int(): e9350b88
    <...>-23351 [000] 734.950739: sys_prctl: get_random_int(): f925fd54
    <...>-23352 [001] 734.951507: sys_prctl: get_random_int(): 00a61729
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    [unhandled content-type:application/octet-stream]
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      Last update: 2009-05-06 22:15    [W:4.745 / U:0.408 seconds]
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