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authorWenjie Qi <qwjhust@gmail.com>2026-06-30 16:23:30 +0800
committerJaegeuk Kim <jaegeuk@kernel.org>2026-08-03 23:41:19 +0000
commit01027b2fcb74dade59fb833b51023f6593b6a9a2 (patch)
treeb010ceb3da8aaa8e50499cf1c1548dde20e2ce84 /tools/perf/scripts/python/flamegraph.py
parente533889fc26aea0cd83c90327063f272061dd820 (diff)
f2fs: limit recovery filename logging to stored length
F2FS stores recovery filenames as a length plus a fixed-size i_name buffer. The buffer is not NUL-terminated, but recover_inode() and recover_dentry() print it with %s. For a 255-byte filename, recovery logging can read past i_name into the following raw inode fields. Print the name with a precision bounded by i_namelen and F2FS_NAME_LEN. Fixes: f356fe0cba0e ("f2fs: add debug msgs in the recovery routine") Cc: stable@kernel.org Assisted-by: Codex:gpt-5.5 Signed-off-by: Wenjie Qi <qiwenjie@xiaomi.com> Reviewed-by: Chao Yu <chao@kernel.org> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org>
Diffstat (limited to 'tools/perf/scripts/python/flamegraph.py')
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