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| author | Dan Williams <dan.j.williams@intel.com> | 2009-09-16 21:03:29 -0700 |
|---|---|---|
| committer | Dan Williams <dan.j.williams@intel.com> | 2009-09-16 21:03:29 -0700 |
| commit | 587ac5806497d8c9bdb526489f060f9e4b512c16 (patch) | |
| tree | 758bdf36e0c78c99f6b38868f7bd9664553a5c76 /crypto/async_tx | |
| parent | 1bb7c4ae99ff35151d529c3d1a466d65cadb8a0c (diff) | |
| download | linux-crypto-587ac5806497d8c9bdb526489f060f9e4b512c16.tar.gz linux-crypto-587ac5806497d8c9bdb526489f060f9e4b512c16.zip | |
raid6test: fix stack overflow
Testing on x86_64 with NDISKS=255 yields:
do_IRQ: modprobe near stack overflow (cur:ffff88007d19c000,sp:ffff88007d19c128)
...and eventually
general protection fault: 0000 [#1]
Moving the scribble buffers off the stack allows the test to complete
successfully.
Signed-off-by: Dan Williams <dan.j.williams@intel.com>
Diffstat (limited to 'crypto/async_tx')
| -rw-r--r-- | crypto/async_tx/raid6test.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/crypto/async_tx/raid6test.c b/crypto/async_tx/raid6test.c index 98c83ca9..3ec27c7e 100644 --- a/crypto/async_tx/raid6test.c +++ b/crypto/async_tx/raid6test.c @@ -28,6 +28,7 @@ #define NDISKS 16 /* Including P and Q */ static struct page *dataptrs[NDISKS]; +static addr_conv_t addr_conv[NDISKS]; static struct page *data[NDISKS+3]; static struct page *spare; static struct page *recovi; @@ -69,7 +70,6 @@ static char disk_type(int d, int disks) static void raid6_dual_recov(int disks, size_t bytes, int faila, int failb, struct page **ptrs) { struct async_submit_ctl submit; - addr_conv_t addr_conv[disks]; struct completion cmp; struct dma_async_tx_descriptor *tx = NULL; enum sum_check_flags result = ~0; @@ -156,7 +156,6 @@ static int test_disks(int i, int j, int disks) static int test(int disks, int *tests) { - addr_conv_t addr_conv[disks]; struct dma_async_tx_descriptor *tx; struct async_submit_ctl submit; struct completion cmp; |