[PATCH] fat: Fix too many log in fat_chain_add()
From: OGAWA Hirofumi
Date: Thu Jul 24 2025 - 03:50:52 EST
This log was too many for serial console. So this patch uses ratelimit
version instead.
Reported-by: syzbot+fa7ef54f66c189c04b73@xxxxxxxxxxxxxxxxxxxxxxxxx
Closes: https://syzkaller.appspot.com/bug?extid=fa7ef54f66c189c04b73
Signed-off-by: OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>
---
fs/fat/misc.c | 6 +++---
1 file changed, 3 insertions(+), 3 deletions(-)
diff --git a/fs/fat/misc.c b/fs/fat/misc.c
index c7a2d27..950da09 100644
--- a/fs/fat/misc.c 2025-07-24 16:14:10.499172171 +0900
+++ b/fs/fat/misc.c 2025-07-24 16:16:10.252088550 +0900
@@ -158,9 +158,9 @@ int fat_chain_add(struct inode *inode, i
mark_inode_dirty(inode);
}
if (new_fclus != (inode->i_blocks >> (sbi->cluster_bits - 9))) {
- fat_fs_error(sb, "clusters badly computed (%d != %llu)",
- new_fclus,
- (llu)(inode->i_blocks >> (sbi->cluster_bits - 9)));
+ fat_fs_error_ratelimit(
+ sb, "clusters badly computed (%d != %llu)", new_fclus,
+ (llu)(inode->i_blocks >> (sbi->cluster_bits - 9)));
fat_cache_inval_inode(inode);
}
inode->i_blocks += nr_cluster << (sbi->cluster_bits - 9);
_
--
OGAWA Hirofumi <hirofumi@xxxxxxxxxxxxxxxxxx>