6.15-stable review patch. If anyone has any objections, please let me know.
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From: Chao Yu chao@kernel.org
[ Upstream commit a919ae794ad2dc6d04b3eea2f9bc86332c1630cc ]
This patch adds missing upper boundary check while setting gc_no_zoned_gc_percent via sysfs.
Fixes: 9a481a1c16f4 ("f2fs: create gc_no_zoned_gc_percent and gc_boost_zoned_gc_percent") Cc: Daeho Jeong daehojeong@google.com Signed-off-by: Chao Yu chao@kernel.org Signed-off-by: Jaegeuk Kim jaegeuk@kernel.org Signed-off-by: Sasha Levin sashal@kernel.org --- fs/f2fs/sysfs.c | 7 +++++++ 1 file changed, 7 insertions(+)
diff --git a/fs/f2fs/sysfs.c b/fs/f2fs/sysfs.c index db5418f72ff8..05e5d8316c70 100644 --- a/fs/f2fs/sysfs.c +++ b/fs/f2fs/sysfs.c @@ -621,6 +621,13 @@ static ssize_t __sbi_store(struct f2fs_attr *a, return count; }
+ if (!strcmp(a->attr.name, "gc_no_zoned_gc_percent")) { + if (t > 100) + return -EINVAL; + *ui = (unsigned int)t; + return count; + } + if (!strcmp(a->attr.name, "gc_boost_zoned_gc_percent")) { if (t > 100) return -EINVAL;