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| author | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-23 19:52:43 +0100 |
|---|---|---|
| committer | Linus Torvalds <torvalds@linux-foundation.org> | 2016-12-23 19:52:43 +0100 |
| commit | a307d0a0074c18bcbea5dec368c9f047be9dade3 (patch) | |
| tree | a55e2ebfe213a45f58ec492aadd0c32457015638 /block | |
| parent | Merge tag 'befs-v4.10-rc1' of git://github.com/luisbg/linux-befs (diff) | |
| parent | Merge branch 'work.namespace' into for-linus (diff) | |
| download | linux-a307d0a0074c18bcbea5dec368c9f047be9dade3.tar.xz linux-a307d0a0074c18bcbea5dec368c9f047be9dade3.zip | |
Merge branch 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs
Pull final vfs updates from Al Viro:
"Assorted cleanups and fixes all over the place"
* 'for-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/viro/vfs:
sg_write()/bsg_write() is not fit to be called under KERNEL_DS
ufs: fix function declaration for ufs_truncate_blocks
fs: exec: apply CLOEXEC before changing dumpable task flags
seq_file: reset iterator to first record for zero offset
vfs: fix isize/pos/len checks for reflink & dedupe
[iov_iter] fix iterate_all_kinds() on empty iterators
move aio compat to fs/aio.c
reorganize do_make_slave()
clone_private_mount() doesn't need to touch namespace_sem
remove a bogus claim about namespace_sem being held by callers of mnt_alloc_id()
Diffstat (limited to 'block')
| -rw-r--r-- | block/bsg.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/block/bsg.c b/block/bsg.c index 8a05a404ae70..a57046de2f07 100644 --- a/block/bsg.c +++ b/block/bsg.c @@ -655,6 +655,9 @@ bsg_write(struct file *file, const char __user *buf, size_t count, loff_t *ppos) dprintk("%s: write %Zd bytes\n", bd->name, count); + if (unlikely(segment_eq(get_fs(), KERNEL_DS))) + return -EINVAL; + bsg_set_block(bd, file); bytes_written = 0; |