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And some more follow up for 376956 syswrap of SNDDRV and DRM_IOCTL_VERSION

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causing some addresses to be wrongly marked as addressable

Just in case, do the assert after ARG2 has been truncated to 32 bits,
to avoid comparing sign extended requests on 64 bits.



git-svn-id: svn://svn.valgrind.org/valgrind/trunk@16278
This commit is contained in:
Philippe Waroquiers 2017-03-17 18:45:23 +00:00
parent eb0d79c25a
commit c54854475c
1 changed files with 2 additions and 2 deletions
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4
coregrind/m_syswrap/syswrap-linux.c
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@ -9013,10 +9013,10 @@ PRE(sys_ioctl)
POST(sys_ioctl)
{
vg_assert(SUCCESS || (FAILURE && VKI_DRM_IOCTL_VERSION == ARG2));
ARG2 = (UInt)ARG2;
vg_assert(SUCCESS || (FAILURE && VKI_DRM_IOCTL_VERSION == ARG2));
/* --- BEGIN special IOCTL handlers for specific Android hardware --- */
/* BEGIN undocumented ioctls for PowerVR SGX 540 (the GPU on Nexus S) */