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bounds-fixes updates for v5.18-rc1

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- Various buffer and array bounds related fixes
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Merge tag 'bounds-fixes-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux

Pull bounds fixes from Kees Cook:
 "These are a handful of buffer and array bounds fixes that I've been
  carrying in preparation for the coming memcpy improvements and the
  enabling of '-Warray-bounds' globally.

  There are additional similar fixes in other maintainer's trees, but
  these ended up getting carried by me. :)"

* tag 'bounds-fixes-v5.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/kees/linux:
  media: omap3isp: Use struct_group() for memcpy() region
  tpm: vtpm_proxy: Check length to avoid compiler warning
  alpha: Silence -Warray-bounds warnings
  m68k: cmpxchg: Dereference matching size
  intel_th: msu: Use memset_startat() for clearing hw header
  KVM: x86: Replace memset() "optimization" with normal per-field writes
This commit is contained in:
Linus Torvalds 2022-03-21 19:58:27 -07:00
commit 8565d64430
8 changed files with 33 additions and 29 deletions
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21
include/uapi/linux/omap3isp.h
View file

@ -162,6 +162,7 @@ struct omap3isp_h3a_aewb_config {
* struct omap3isp_stat_data - Statistic data sent to or received from user
* @ts: Timestamp of returned framestats.
* @buf: Pointer to pass to user.
* @buf_size: Size of buffer.
* @frame_number: Frame number of requested stats.
* @cur_frame: Current frame number being processed.
* @config_counter: Number of the configuration associated with the data.
@ -176,10 +177,12 @@ struct omap3isp_stat_data {
struct timeval ts;
#endif
void __user *buf;
__u32 buf_size;
__u16 frame_number;
__u16 cur_frame;
__u16 config_counter;
__struct_group(/* no tag */, frame, /* no attrs */,
__u32 buf_size;
__u16 frame_number;
__u16 cur_frame;
__u16 config_counter;
);
};
#ifdef __KERNEL__
@ -189,10 +192,12 @@ struct omap3isp_stat_data_time32 {
__s32 tv_usec;
} ts;
__u32 buf;
__u32 buf_size;
__u16 frame_number;
__u16 cur_frame;
__u16 config_counter;
__struct_group(/* no tag */, frame, /* no attrs */,
__u32 buf_size;
__u16 frame_number;
__u16 cur_frame;
__u16 config_counter;
);
};
#endif