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authorJann Horn <jannh@google.com>2017-12-19 05:11:57 +0100
committerDaniel Borkmann <daniel@iogearbox.net>2017-12-21 02:15:41 +0100
commitea25f914dc164c8d56b36147ecc86bc65f83c469 (patch)
treeae74d60039bef82d303017c162822f4fa8ddbf02 /kernel/power
parentbpf: fix 32-bit ALU op verification (diff)
downloadlinux-ea25f914dc164c8d56b36147ecc86bc65f83c469.tar.xz
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bpf: fix missing error return in check_stack_boundary()
Prevent indirect stack accesses at non-constant addresses, which would permit reading and corrupting spilled pointers. Fixes: f1174f77b50c ("bpf/verifier: rework value tracking") Signed-off-by: Jann Horn <jannh@google.com> Signed-off-by: Alexei Starovoitov <ast@kernel.org> Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Diffstat (limited to 'kernel/power')
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