libbpf: avoid possible use of uninitialized mod_len #5653
Closed
Conversation
This file contains hidden or bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
Author
|
Upstream branch: cd7c97f |
Author
|
Upstream branch: cd7c97f |
kernel-patches-daemon-bpf-rc
bot
force-pushed
the
series/986676=>bpf-next
branch
from
17f2f27 to
38ceade
Compare
Author
|
Upstream branch: cd7c97f |
kernel-patches-daemon-bpf-rc
bot
force-pushed
the
series/986676=>bpf-next
branch
from
38ceade to
2354774
Compare
kernel-patches-daemon-bpf-rc
bot
force-pushed
the
bpf-next_base
branch
from
6217ef6 to
9879802
Compare
If not fn_name, mod_len does never get initialized which fails now with gcc15 on Alpine Linux edge: libbpf.c: In function 'find_kernel_btf_id.constprop': libbpf.c:10100:33: error: 'mod_len' may be used uninitialized [-Werror=maybe-uninitialized] 10100 | if (mod_name && strncmp(mod->name, mod_name, mod_len) != 0) | ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ libbpf.c:10070:21: note: 'mod_len' was declared here 10070 | int ret, i, mod_len; | ^~~~~~~ Fixes: 8f8a024 ("libbpf: support "module: Function" syntax for tracing programs") Signed-off-by: Achill Gilgenast <[email protected]> Acked-by: Yonghong Song <[email protected]> Acked-by: Eduard Zingerman <[email protected]>
Author
|
Upstream branch: e8d780d |
kernel-patches-daemon-bpf-rc
bot
force-pushed
the
series/986676=>bpf-next
branch
from
2354774 to
232bb9a
Compare
Author
|
At least one diff in series https://patchwork.kernel.org/project/netdevbpf/list/?series=986676 irrelevant now. Closing PR. |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Add this suggestion to a batch that can be applied as a single commit.
This suggestion is invalid because no changes were made to the code.
Suggestions cannot be applied while the pull request is closed.
Suggestions cannot be applied while viewing a subset of changes.
Only one suggestion per line can be applied in a batch.
Add this suggestion to a batch that can be applied as a single commit.
Applying suggestions on deleted lines is not supported.
You must change the existing code in this line in order to create a valid suggestion.
Outdated suggestions cannot be applied.
This suggestion has been applied or marked resolved.
Suggestions cannot be applied from pending reviews.
Suggestions cannot be applied on multi-line comments.
Suggestions cannot be applied while the pull request is queued to merge.
Suggestion cannot be applied right now. Please check back later.
Pull request for series with
subject: libbpf: avoid possible use of uninitialized mod_len
version: 1
url: https://patchwork.kernel.org/project/netdevbpf/list/?series=986676