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| author | Arnaldo Carvalho de Melo <acme@redhat.com> | 2026-07-26 20:40:10 -0300 |
|---|---|---|
| committer | Namhyung Kim <namhyung@kernel.org> | 2026-07-31 16:41:41 -0700 |
| commit | cc6abe0012bf8c04af8275266f8ed7c55ba4a5fb (patch) | |
| tree | f4b5b7e2684b7d7ad565bd20f9bb9d8f2308b6e0 /scripts/patch-kernel | |
| parent | e27b96d0a34e1dc87affecf221a99fee8f6c5afc (diff) | |
| download | linux-cc6abe0012bf8c04af8275266f8ed7c55ba4a5fb.tar.gz linux-cc6abe0012bf8c04af8275266f8ed7c55ba4a5fb.zip | |
perf machine: Check snprintf truncation in machines__findnew()
The guestmount path is built with snprintf() into a PATH_MAX buffer
without checking the return value. If symbol_conf.guestmount is long
enough to cause truncation, the truncated path could match a different
directory, causing the wrong guest to be associated with the pid.
Check for truncation and bail out early.
Fixes: a1645ce12adb ("perf: 'perf kvm' tool for monitoring guest performance from host")
Reported-by: sashiko-bot <sashiko-bot@kernel.org>
Cc: Zhang, Yanmin <yanmin_zhang@linux.intel.com>
Assisted-by: Claude:claude-opus-4.6
Signed-off-by: Arnaldo Carvalho de Melo <acme@redhat.com>
Signed-off-by: Namhyung Kim <namhyung@kernel.org>
Diffstat (limited to 'scripts/patch-kernel')
0 files changed, 0 insertions, 0 deletions