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| author |   Andrii Nakryiko <andriin@fb.com> | 2020-01-24 12:18:46 -0800 |
|---|---|---|
| committer |   Daniel Borkmann <daniel@iogearbox.net> | 2020-01-24 22:34:37 +0100 |
| commit | 35b9211c0a2427e8f39e534f442f43804fc8d5ca (patch) | |
| tree | 447a49a6541913091f7183f618de47e83c0c20f2 /fs | |
| parent | libbpf: Improve handling of failed CO-RE relocations (diff) | |
| download | linux-dev-35b9211c0a2427e8f39e534f442f43804fc8d5ca.tar.xz linux-dev-35b9211c0a2427e8f39e534f442f43804fc8d5ca.zip | |
libbpf: Fix realloc usage in bpf_core_find_cands
Fix bug requesting invalid size of reallocated array when constructing CO-RE
relocation candidate list. This can cause problems if there are many potential
candidates and a very fine-grained memory allocator bucket sizes are used.
Fixes: ddc7c3042614 ("libbpf: implement BPF CO-RE offset relocation algorithm")
Reported-by: William Smith <williampsmith@fb.com>
Signed-off-by: Andrii Nakryiko <andriin@fb.com>
Signed-off-by: Daniel Borkmann <daniel@iogearbox.net>
Acked-by: Yonghong Song <yhs@fb.com>
Link: https://lore.kernel.org/bpf/20200124201847.212528-1-andriin@fb.com
Diffstat (limited to 'fs')
0 files changed, 0 insertions, 0 deletions