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| author |  Jakub Kicinski <kuba@kernel.org>
| 2023-03-09 22:18:59 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org>
| 2023-03-09 22:22:11 -0800 |
| commit | d0ddf5065ffef45f8fce4001abe0206081c7ff10 (patch) | |
| tree | ea83817cbe9fc25261eae87b85afd9fe086f479e /drivers/block/loop.c | |
| parent | Merge branch 'sctp-add-another-two-stream-schedulers' (diff) | |
| parent | Merge tag 'net-6.3-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/netd... (diff) | |
| download | linux-d0ddf5065ffef45f8fce4001abe0206081c7ff10.tar.gz linux-d0ddf5065ffef45f8fce4001abe0206081c7ff10.tar.bz2 linux-d0ddf5065ffef45f8fce4001abe0206081c7ff10.zip | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
Documentation/bpf/bpf_devel_QA.rst
b7abcd9c656b ("bpf, doc: Link to submitting-patches.rst for general patch submission info")
d56b0c461d19 ("bpf, docs: Fix link to netdev-FAQ target")
https://lore.kernel.org/all/20230307095812.236eb1be@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'drivers/block/loop.c')
| -rw-r--r-- | drivers/block/loop.c | 8 |
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/block/loop.c b/drivers/block/loop.c index 5f04235e4ff7..839373451c2b 100644 --- a/drivers/block/loop.c +++ b/drivers/block/loop.c @@ -977,13 +977,13 @@ loop_set_status_from_info(struct loop_device *lo, return -EINVAL; } + /* Avoid assigning overflow values */ + if (info->lo_offset > LLONG_MAX || info->lo_sizelimit > LLONG_MAX) + return -EOVERFLOW; + lo->lo_offset = info->lo_offset; lo->lo_sizelimit = info->lo_sizelimit; - /* loff_t vars have been assigned __u64 */ - if (lo->lo_offset < 0 || lo->lo_sizelimit < 0) - return -EOVERFLOW; - memcpy(lo->lo_file_name, info->lo_file_name, LO_NAME_SIZE); lo->lo_file_name[LO_NAME_SIZE-1] = 0; lo->lo_flags = info->lo_flags; |