diff options
| author |   Mark Brown <broonie@kernel.org> | 2023-07-17 06:12:31 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2023-07-17 06:12:31 +0100 |
| commit | 0791faebfe750292a8a842b64795a390ca4a3b51 (patch) | |
| tree | 0e6095a5a0130398b0693bddfdc421c41eebda7c /fs/remap_range.c | |
| parent | MAINTAINERS: Redo addition of ssm3515 to APPLE SOUND (diff) | |
| parent | Linux 6.5-rc2 (diff) | |
| download | wireguard-linux-0791faebfe750292a8a842b64795a390ca4a3b51.tar.xz wireguard-linux-0791faebfe750292a8a842b64795a390ca4a3b51.zip | |
ASoC: Merge v6.5-rc2
Get a similar baseline to my other branches, and fixes for people using
the branch.
Diffstat (limited to 'fs/remap_range.c')
| -rw-r--r-- | fs/remap_range.c | 5 |
1 files changed, 4 insertions, 1 deletions
diff --git a/fs/remap_range.c b/fs/remap_range.c index 1331a890f2f2..87ae4f0dc3aa 100644 --- a/fs/remap_range.c +++ b/fs/remap_range.c @@ -15,6 +15,7 @@ #include <linux/mount.h> #include <linux/fs.h> #include <linux/dax.h> +#include <linux/overflow.h> #include "internal.h" #include <linux/uaccess.h> @@ -101,10 +102,12 @@ static int generic_remap_checks(struct file *file_in, loff_t pos_in, static int remap_verify_area(struct file *file, loff_t pos, loff_t len, bool write) { + loff_t tmp; + if (unlikely(pos < 0 || len < 0)) return -EINVAL; - if (unlikely((loff_t) (pos + len) < 0)) + if (unlikely(check_add_overflow(pos, len, &tmp))) return -EINVAL; return security_file_permission(file, write ? MAY_WRITE : MAY_READ); |