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authorGreg Kroah-Hartman <[email protected]>2020-03-20 17:22:58 +0100
committerDaniel Borkmann <[email protected]>2020-03-20 21:05:22 +0100
commit5c6f25887963f15492b604dd25cb149c501bbabf (patch)
tree0ca35ad39945fc8e516682d2dd353e2802bfddc6 /scripts/gcc-plugins/sancov_plugin.c
parent8096f229421f7b22433775e928d506f0342e5907 (diff)
bpf: Explicitly memset some bpf info structures declared on the stack
Trying to initialize a structure with "= {};" will not always clean out all padding locations in a structure. So be explicit and call memset to initialize everything for a number of bpf information structures that are then copied from userspace, sometimes from smaller memory locations than the size of the structure. Reported-by: Daniel Borkmann <[email protected]> Signed-off-by: Greg Kroah-Hartman <[email protected]> Signed-off-by: Daniel Borkmann <[email protected]> Acked-by: Yonghong Song <[email protected]> Link: https://lore.kernel.org/bpf/[email protected]
Diffstat (limited to 'scripts/gcc-plugins/sancov_plugin.c')
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