From 3a5ce657c04fc4230702ac216507e475ed5a379c Mon Sep 17 00:00:00 2001 From: Konstantin Komarov Date: Wed, 26 Jun 2024 15:04:33 +0800 Subject: [PATCH] fs/ntfs3: Use 64 bit variable to avoid 32 bit overflow mainline inclusion from mainline-v6.10-rc1 commit e931f6b630ffb22d66caab202a52aa8cbb10c649 category: bugfix bugzilla: https://gitee.com/src-openeuler/kernel/issues/IA7D1W CVE: CVE-2024-38624 Reference: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e931f6b630ffb22d66caab202a52aa8cbb10c649 -------------------------------- For example, in the expression: vbo = 2 * vbo + skip Fixes: b46acd6a6a627 ("fs/ntfs3: Add NTFS journal") Signed-off-by: Konstantin Komarov Signed-off-by: Wang Zhaolong --- fs/ntfs3/fslog.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/fs/ntfs3/fslog.c b/fs/ntfs3/fslog.c index 855519713bf7..4085fe30bf48 100644 --- a/fs/ntfs3/fslog.c +++ b/fs/ntfs3/fslog.c @@ -1184,7 +1184,8 @@ static int read_log_page(struct ntfs_log *log, u32 vbo, static int log_read_rst(struct ntfs_log *log, bool first, struct restart_info *info) { - u32 skip, vbo; + u32 skip; + u64 vbo; struct RESTART_HDR *r_page = NULL; /* Determine which restart area we are looking for. */ -- Gitee