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authorPhilippe Mathieu-Daudé <philmd@redhat.com>2021-09-03 19:45:06 +0200
committerLaurent Vivier <laurent@vivier.eu>2021-12-17 11:56:04 +0100
commit460056dbe6b2df363de6d8c2a9c9ba862653d6bb (patch)
tree0e6773bed242b0a3864d3fb841891bbcacdd5e1f /scripts/checkpatch.pl
parent2c674fada72079583a3f2cc1790b16a0259c4fa0 (diff)
tests/qtest: Replace g_memdup() by g_memdup2()
Per https://discourse.gnome.org/t/port-your-module-from-g-memdup-to-g-memdup2-now/5538 The old API took the size of the memory to duplicate as a guint, whereas most memory functions take memory sizes as a gsize. This made it easy to accidentally pass a gsize to g_memdup(). For large values, that would lead to a silent truncation of the size from 64 to 32 bits, and result in a heap area being returned which is significantly smaller than what the caller expects. This can likely be exploited in various modules to cause a heap buffer overflow. Replace g_memdup() by the safer g_memdup2() wrapper. Signed-off-by: Philippe Mathieu-Daudé <philmd@redhat.com> Reviewed-by: Thomas Huth <thuth@redhat.com> Message-Id: <20210903174510.751630-25-philmd@redhat.com> Signed-off-by: Laurent Vivier <laurent@vivier.eu>
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