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| author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:18:06 +0000 |
|---|---|---|
| committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-08-07 13:18:06 +0000 |
| commit | 638a9e433ecd61e64761352dbec1fa4f5874c941 (patch) | |
| tree | fdbff74a238d7a5a7d1cef071b7230bc064b9f25 /drivers/char/ipmi/ssif_bmc.c | |
| parent | Releasing progress-linux version 6.9.12-1~progress7.99u1. (diff) | |
| download | linux-638a9e433ecd61e64761352dbec1fa4f5874c941.tar.xz linux-638a9e433ecd61e64761352dbec1fa4f5874c941.zip | |
Merging upstream version 6.10.3.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
| -rw-r--r-- | drivers/char/ipmi/ssif_bmc.c | 6 |
1 files changed, 4 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ssif_bmc.c b/drivers/char/ipmi/ssif_bmc.c index 56346fb328..ab4e87a99f 100644 --- a/drivers/char/ipmi/ssif_bmc.c +++ b/drivers/char/ipmi/ssif_bmc.c @@ -177,13 +177,15 @@ static ssize_t ssif_bmc_write(struct file *file, const char __user *buf, size_t unsigned long flags; ssize_t ret; - if (count > sizeof(struct ipmi_ssif_msg)) + if (count < sizeof(msg.len) || + count > sizeof(struct ipmi_ssif_msg)) return -EINVAL; if (copy_from_user(&msg, buf, count)) return -EFAULT; - if (!msg.len || count < sizeof_field(struct ipmi_ssif_msg, len) + msg.len) + if (!msg.len || msg.len > IPMI_SSIF_PAYLOAD_MAX || + count < sizeof_field(struct ipmi_ssif_msg, len) + msg.len) return -EINVAL; spin_lock_irqsave(&ssif_bmc->lock, flags); |