On Fri, Sep 22, 2023 at 10:49:59AM -0700, Kees Cook wrote: > Prepare for the coming implementation by GCC and Clang of the __counted_by > attribute. Flexible array members annotated with __counted_by can have > their accesses bounds-checked at run-time checking via CONFIG_UBSAN_BOUNDS > (for array indexing) and CONFIG_FORTIFY_SOURCE (for strcpy/memcpy-family > functions). > > As found with Coccinelle[1], add __counted_by for struct i2c_demux_pinctrl_priv. > Additionally, since the element count member must be set before accessing > the annotated flexible array member, move its initialization earlier. > > [1] https://github.com/kees/kernel-tools/blob/trunk/coccinelle/examples/counted_by.cocci > > Cc: Wolfram Sang <wsa+renesas@xxxxxxxxxxxxxxxxxxxx> > Cc: Peter Rosin <peda@xxxxxxxxxx> > Cc: linux-i2c@xxxxxxxxxxxxxxx > Signed-off-by: Kees Cook <keescook@xxxxxxxxxxxx> Fixed a blank line and applied to for-next, thanks!
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