| Message ID | 1431145253-2019-1-git-send-email-jaegeuk@kernel.org (mailing list archive) |
|---|---|
| State | New, archived |
| Headers | show |
diff --git a/fs/f2fs/debug.c b/fs/f2fs/debug.c index f50acbc..efbc83f 100644 --- a/fs/f2fs/debug.c +++ b/fs/f2fs/debug.c @@ -94,7 +94,8 @@ static void update_general_status(struct f2fs_sb_info *sbi) static void update_sit_info(struct f2fs_sb_info *sbi) { struct f2fs_stat_info *si = F2FS_STAT(sbi); - unsigned int blks_per_sec, hblks_per_sec, total_vblocks, bimodal, dist; + unsigned long long blks_per_sec, hblks_per_sec, total_vblocks; + unsigned long long bimodal, dist; unsigned int segno, vblocks; int ndirty = 0;
This patch fixes overflow when do cat /sys/kernel/debug/f2fs/status. If a section is relatively large, dist value can be overflowed. Reported-by: Yossi Goldfill <ygoldfill@radianmemory.com> Signed-off-by: Jaegeuk Kim <jaegeuk@kernel.org> --- fs/f2fs/debug.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-)