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| author |   Linus Torvalds <torvalds@linux-foundation.org> | 2015-10-01 07:57:27 -0400 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2015-10-01 07:57:27 -0400 |
| commit | f97b870eced0ec562f953d32eda03906c7dacad6 (patch) | |
| tree | 232ce6b9dc47eecd3f69cf64b0018431397009cc /drivers | |
| parent | Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/jmorris/linux-security (diff) | |
| parent | UBI: return ENOSPC if no enough space available (diff) | |
| download | linux-dev-f97b870eced0ec562f953d32eda03906c7dacad6.tar.xz linux-dev-f97b870eced0ec562f953d32eda03906c7dacad6.zip | |
Merge tag 'upstream-4.3-rc4' of git://git.infradead.org/linux-ubifs
Pull UBI/UBIFS fixes from Richard Weinberger:
"This contains three bug fixes for both UBI and UBIFS"
* tag 'upstream-4.3-rc4' of git://git.infradead.org/linux-ubifs:
UBI: return ENOSPC if no enough space available
UBI: Validate data_size
UBIFS: Kill unneeded locking in ubifs_init_security
Diffstat (limited to 'drivers')
| -rw-r--r-- | drivers/mtd/ubi/io.c | 5 | ||||
| -rw-r--r-- | drivers/mtd/ubi/vtbl.c | 1 | ||||
| -rw-r--r-- | drivers/mtd/ubi/wl.c | 1 |
3 files changed, 7 insertions, 0 deletions
diff --git a/drivers/mtd/ubi/io.c b/drivers/mtd/ubi/io.c index 5bbd1f094f4e..1fc23e48fe8e 100644 --- a/drivers/mtd/ubi/io.c +++ b/drivers/mtd/ubi/io.c @@ -926,6 +926,11 @@ static int validate_vid_hdr(const struct ubi_device *ubi, goto bad; } + if (data_size > ubi->leb_size) { + ubi_err(ubi, "bad data_size"); + goto bad; + } + if (vol_type == UBI_VID_STATIC) { /* * Although from high-level point of view static volumes may diff --git a/drivers/mtd/ubi/vtbl.c b/drivers/mtd/ubi/vtbl.c index 80bdd5b88bac..d85c19762160 100644 --- a/drivers/mtd/ubi/vtbl.c +++ b/drivers/mtd/ubi/vtbl.c @@ -649,6 +649,7 @@ static int init_volumes(struct ubi_device *ubi, if (ubi->corr_peb_count) ubi_err(ubi, "%d PEBs are corrupted and not used", ubi->corr_peb_count); + return -ENOSPC; } ubi->rsvd_pebs += reserved_pebs; ubi->avail_pebs -= reserved_pebs; diff --git a/drivers/mtd/ubi/wl.c b/drivers/mtd/ubi/wl.c index 275d9fb6fe5c..eb4489f9082f 100644 --- a/drivers/mtd/ubi/wl.c +++ b/drivers/mtd/ubi/wl.c @@ -1601,6 +1601,7 @@ int ubi_wl_init(struct ubi_device *ubi, struct ubi_attach_info *ai) if (ubi->corr_peb_count) ubi_err(ubi, "%d PEBs are corrupted and not used", ubi->corr_peb_count); + err = -ENOSPC; goto out_free; } ubi->avail_pebs -= reserved_pebs; |