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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-21 23:44:48 +0200 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2020-08-21 23:44:48 +0200 |
| commit | 349111f050b54648df9b3e3d70944c56108c6470 (patch) | |
| tree | 5204ec32d8a1099b22efe1354106efbe640ffa35 /fs | |
| parent | Merge tag 'riscv-for-linus-5.9-rc2' of git://git.kernel.org/pub/scm/linux/ker... (diff) | |
| parent | mm, page_alloc: fix core hung in free_pcppages_bulk() (diff) | |
| download | linux-349111f050b54648df9b3e3d70944c56108c6470.tar.xz linux-349111f050b54648df9b3e3d70944c56108c6470.zip | |
Merge branch 'akpm' (patches from Andrew)
Merge misc fixes from Andrew Morton:
"11 patches.
Subsystems affected by this: misc, mm/hugetlb, mm/vmalloc, mm/misc,
romfs, relay, uprobes, squashfs, mm/cma, mm/pagealloc"
* emailed patches from Andrew Morton <akpm@linux-foundation.org>:
mm, page_alloc: fix core hung in free_pcppages_bulk()
mm: include CMA pages in lowmem_reserve at boot
squashfs: avoid bio_alloc() failure with 1Mbyte blocks
uprobes: __replace_page() avoid BUG in munlock_vma_page()
kernel/relay.c: fix memleak on destroy relay channel
romfs: fix uninitialized memory leak in romfs_dev_read()
mm/rodata_test.c: fix missing function declaration
mm/vunmap: add cond_resched() in vunmap_pmd_range
khugepaged: adjust VM_BUG_ON_MM() in __khugepaged_enter()
hugetlb_cgroup: convert comma to semicolon
mailmap: add Andi Kleen
Diffstat (limited to 'fs')
| -rw-r--r-- | fs/romfs/storage.c | 4 | ||||
| -rw-r--r-- | fs/squashfs/block.c | 6 |
2 files changed, 6 insertions, 4 deletions
diff --git a/fs/romfs/storage.c b/fs/romfs/storage.c index 6b2b4362089e..b57b3ffcbc32 100644 --- a/fs/romfs/storage.c +++ b/fs/romfs/storage.c @@ -217,10 +217,8 @@ int romfs_dev_read(struct super_block *sb, unsigned long pos, size_t limit; limit = romfs_maxsize(sb); - if (pos >= limit) + if (pos >= limit || buflen > limit - pos) return -EIO; - if (buflen > limit - pos) - buflen = limit - pos; #ifdef CONFIG_ROMFS_ON_MTD if (sb->s_mtd) diff --git a/fs/squashfs/block.c b/fs/squashfs/block.c index 76bb1c846845..8a19773b5a0b 100644 --- a/fs/squashfs/block.c +++ b/fs/squashfs/block.c @@ -87,7 +87,11 @@ static int squashfs_bio_read(struct super_block *sb, u64 index, int length, int error, i; struct bio *bio; - bio = bio_alloc(GFP_NOIO, page_count); + if (page_count <= BIO_MAX_PAGES) + bio = bio_alloc(GFP_NOIO, page_count); + else + bio = bio_kmalloc(GFP_NOIO, page_count); + if (!bio) return -ENOMEM; |