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| author | Bryan Cantrill <bryan@joyent.com> | 2014-12-10 16:54:26 +0000 |
|---|---|---|
| committer | Bryan Cantrill <bryan@joyent.com> | 2014-12-10 16:54:26 +0000 |
| commit | 22a76dcc405e68b51ef58b0b8dbe09439eabaae0 (patch) | |
| tree | f159c79b361e3dade6f5973ec39b2e7d9ddc46e6 /usr/src/uts/common/os/exec.c | |
| parent | 8e4e8001906f84c65d5756f02878c2e809225a04 (diff) | |
| download | illumos-joyent-22a76dcc405e68b51ef58b0b8dbe09439eabaae0.tar.gz | |
OS-3611 lx brand: 64-bit processes should not use VAs above VA hole
Diffstat (limited to 'usr/src/uts/common/os/exec.c')
| -rw-r--r-- | usr/src/uts/common/os/exec.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/usr/src/uts/common/os/exec.c b/usr/src/uts/common/os/exec.c index d044b2a08d..cfb5c27302 100644 --- a/usr/src/uts/common/os/exec.c +++ b/usr/src/uts/common/os/exec.c @@ -1949,6 +1949,9 @@ exec_args(execa_t *uap, uarg_t *args, intpdata_t *intp, void **auxvpp) usrstack = (char *)USRSTACK32; } + if (args->maxstack != 0 && (uintptr_t)usrstack > args->maxstack) + usrstack = (char *)args->maxstack; + ASSERT(P2PHASE((uintptr_t)usrstack, args->stk_align) == 0); #if defined(__sparc) |