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| author |   Andrii Nakryiko <andriin@fb.com> | 2020-01-16 22:08:00 -0800 |
|---|---|---|
| committer |   Alexei Starovoitov <ast@kernel.org> | 2020-01-17 08:33:18 -0800 |
| commit | c701917e647c6aaee5e7bbb7a2c1ca99e8552c58 (patch) | |
| tree | ed0c7062d3151b9b6cfcb9707830726159069f84 /arch | |
| parent | libbpf: Simplify BTF initialization logic (diff) | |
| download | linux-dev-c701917e647c6aaee5e7bbb7a2c1ca99e8552c58.tar.xz linux-dev-c701917e647c6aaee5e7bbb7a2c1ca99e8552c58.zip | |
libbpf: Fix potential multiplication overflow in mmap() size calculation
Prevent potential overflow performed in 32-bit integers, before assigning
result to size_t. Reported by LGTM static analysis.
Fixes: eba9c5f498a1 ("libbpf: Refactor global data map initialization")
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Alexei Starovoitov <ast@kernel.org>
Link: https://lore.kernel.org/bpf/20200117060801.1311525-4-andriin@fb.com
Diffstat (limited to 'arch')
0 files changed, 0 insertions, 0 deletions