Yuan Chen 1197abb1ee libbpf: Fix null pointer dereference in btf_dump__free on allocation failure ...

[ Upstream commit aa485e8789 ]

When btf_dump__new() fails to allocate memory for the internal hashmap
(btf_dump->type_names), it returns an error code. However, the cleanup
function btf_dump__free() does not check if btf_dump->type_names is NULL
before attempting to free it. This leads to a null pointer dereference
when btf_dump__free() is called on a btf_dump object.

Fixes: 351131b51c ("libbpf: add btf_dump API for BTF-to-C conversion")
Signed-off-by: Yuan Chen <chenyuan@kylinos.cn>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/20250618011933.11423-1-chenyuan_fl@163.com
Signed-off-by: Sasha Levin <sashal@kernel.org>

2025-07-10 15:57:38 +02:00

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api

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bpf

libbpf: Fix null pointer dereference in btf_dump__free on allocation failure

2025-07-10 15:57:38 +02:00

lockdep

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perf

libperf evlist: Avoid out-of-bounds access

2024-04-13 13:01:45 +02:00

subcmd

libsubcmd: Fix parse-options memory leak

2024-06-16 13:39:40 +02:00

symbol

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traceevent

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argv_split.c

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bitmap.c

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ctype.c

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find_bit.c

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hweight.c

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rbtree.c

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str_error_r.c

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string.c

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vsprintf.c

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zalloc.c

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