diff options
| author | Jakub Kicinski <kuba@kernel.org> | 2023-02-09 12:05:25 -0800 |
|---|---|---|
| committer | Jakub Kicinski <kuba@kernel.org> | 2023-02-09 12:25:40 -0800 |
| commit | 8697a258ae24703267d2a37d91ab757c91ef027e (patch) | |
| tree | 7a1798898ac64c72e6cf77d2320f036c963a16c1 /fs/btrfs/send.c | |
| parent | 0b34d68049b09821499b93d50b5a9d7d2ca449f6 (diff) | |
| parent | 35674e787518768626d3a0ffce1c13a7eeed922d (diff) | |
Merge git://git.kernel.org/pub/scm/linux/kernel/git/netdev/net
net/devlink/leftover.c / net/core/devlink.c:
565b4824c39f ("devlink: change port event netdev notifier from per-net to global")
f05bd8ebeb69 ("devlink: move code to a dedicated directory")
687125b5799c ("devlink: split out core code")
https://lore.kernel.org/all/20230208094657.379f2b1a@canb.auug.org.au/
Signed-off-by: Jakub Kicinski <kuba@kernel.org>
Diffstat (limited to 'fs/btrfs/send.c')
| -rw-r--r-- | fs/btrfs/send.c | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/fs/btrfs/send.c b/fs/btrfs/send.c index e65e6b6600a7..d50182b6deec 100644 --- a/fs/btrfs/send.c +++ b/fs/btrfs/send.c @@ -8073,10 +8073,10 @@ long btrfs_ioctl_send(struct inode *inode, struct btrfs_ioctl_send_args *arg) /* * Check that we don't overflow at later allocations, we request * clone_sources_count + 1 items, and compare to unsigned long inside - * access_ok. + * access_ok. Also set an upper limit for allocation size so this can't + * easily exhaust memory. Max number of clone sources is about 200K. */ - if (arg->clone_sources_count > - ULONG_MAX / sizeof(struct clone_root) - 1) { + if (arg->clone_sources_count > SZ_8M / sizeof(struct clone_root)) { ret = -EINVAL; goto out; } |