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(parent: 502b0e3) | patch
libbpf: Potential NULL dereference in usdt_manager_attach_usdt()
authorHaowen Bai <baihaowen@meizu.com>
Thu, 7 Apr 2022 02:38:17 +0000 (10:38 +0800)
committerAndrii Nakryiko <andrii@kernel.org>
Thu, 7 Apr 2022 18:46:33 +0000 (11:46 -0700)
commite58c5c9717460851047f63b8615ea0760a6f3a2e
treea2d87f4383ee4e80277a07dc8be57dee3a967753tree | snapshot
parent502b0e3dcb326cf38334dad35957b12d9cdcf633commit | diff
libbpf: Potential NULL dereference in usdt_manager_attach_usdt()

link could be null but still dereference bpf_link__destroy(&link->link)
and it will lead to a null pointer access.

Signed-off-by: Haowen Bai <baihaowen@meizu.com>
Signed-off-by: Andrii Nakryiko <andrii@kernel.org>
Link: https://lore.kernel.org/bpf/1649299098-2069-1-git-send-email-baihaowen@meizu.com
tools/lib/bpf/usdt.c diff | blob | history
Domain: System / Kernel;