diff options
| author | Linus Torvalds <torvalds@linux-foundation.org> | 2022-07-26 19:38:46 -0700 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2022-07-26 19:38:46 -0700 |
| commit | 39c3c396f8131f3db454c80e0fcfcdc54ed9ec01 (patch) | |
| tree | 5e73a645381f47535903fbc6a16442a4a6ef2b85 /mm/shmem.c | |
| parent | 5de64d44968e4ae66ebdb0a2d08b443f189d3651 (diff) | |
| parent | 1f7ea54727caaa6701a15af0cbeddfdb015b2869 (diff) | |
Merge tag 'mm-hotfixes-stable-2022-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm
Pull misc fixes from Andrew Morton:
"Thirteen hotfixes.
Eight are cc:stable and the remainder are for post-5.18 issues or are
too minor to warrant backporting"
* tag 'mm-hotfixes-stable-2022-07-26' of git://git.kernel.org/pub/scm/linux/kernel/git/akpm/mm:
mailmap: update Gao Xiang's email addresses
userfaultfd: provide properly masked address for huge-pages
Revert "ocfs2: mount shared volume without ha stack"
hugetlb: fix memoryleak in hugetlb_mcopy_atomic_pte
fs: sendfile handles O_NONBLOCK of out_fd
ntfs: fix use-after-free in ntfs_ucsncmp()
secretmem: fix unhandled fault in truncate
mm/hugetlb: separate path for hwpoison entry in copy_hugetlb_page_range()
mm: fix missing wake-up event for FSDAX pages
mm: fix page leak with multiple threads mapping the same page
mailmap: update Seth Forshee's email address
tmpfs: fix the issue that the mount and remount results are inconsistent.
mm: kfence: apply kmemleak_ignore_phys on early allocated pool
Diffstat (limited to 'mm/shmem.c')
| -rw-r--r-- | mm/shmem.c | 7 |
1 files changed, 2 insertions, 5 deletions
diff --git a/mm/shmem.c b/mm/shmem.c index a6f565308133..b7f2d4a56867 100644 --- a/mm/shmem.c +++ b/mm/shmem.c @@ -3392,7 +3392,7 @@ static int shmem_parse_one(struct fs_context *fc, struct fs_parameter *param) break; case Opt_nr_blocks: ctx->blocks = memparse(param->string, &rest); - if (*rest) + if (*rest || ctx->blocks > S64_MAX) goto bad_value; ctx->seen |= SHMEM_SEEN_BLOCKS; break; @@ -3514,10 +3514,7 @@ static int shmem_reconfigure(struct fs_context *fc) raw_spin_lock(&sbinfo->stat_lock); inodes = sbinfo->max_inodes - sbinfo->free_inodes; - if (ctx->blocks > S64_MAX) { - err = "Number of blocks too large"; - goto out; - } + if ((ctx->seen & SHMEM_SEEN_BLOCKS) && ctx->blocks) { if (!sbinfo->max_blocks) { err = "Cannot retroactively limit size"; |