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authorGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-09-07 17:23:00 +0200
committerGreg Kroah-Hartman <gregkh@linuxfoundation.org>2026-09-07 17:23:00 +0200
commitdcf5b8a7ae4e3875878529597c05f8cac4121515 (patch)
tree0d86567a8feacb35b2a62c1ba6cf6c2fe3be65de /drivers/char/ipmi
parent864c971e923f55d3ff5ac3ebc87aab8108d30c8a (diff)
parent7cfc41f8e80f11ffa8382ed1a505154ceffb79c7 (diff)
Merge v6.18.50linux-rolling-lts
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
Diffstat (limited to 'drivers/char/ipmi')
-rw-r--r--drivers/char/ipmi/ipmb_dev_int.c5
-rw-r--r--drivers/char/ipmi/ipmi_msghandler.c4
2 files changed, 7 insertions, 2 deletions
diff --git a/drivers/char/ipmi/ipmb_dev_int.c b/drivers/char/ipmi/ipmb_dev_int.c
index ee2bdc7ed0da..bc0564d87867 100644
--- a/drivers/char/ipmi/ipmb_dev_int.c
+++ b/drivers/char/ipmi/ipmb_dev_int.c
@@ -141,13 +141,14 @@ static ssize_t ipmb_write(struct file *file, const char __user *buf,
u8 msg[MAX_MSG_LEN];
ssize_t ret;
- if (count > sizeof(msg))
+ if (!count || count > sizeof(msg))
return -EINVAL;
if (copy_from_user(&msg, buf, count))
return -EFAULT;
- if (count < msg[0])
+ if (msg[IPMB_MSG_LEN_IDX] < IPMB_REQUEST_LEN_MIN ||
+ count < (size_t)msg[IPMB_MSG_LEN_IDX] + 1)
return -EINVAL;
rq_sa = GET_7BIT_ADDR(msg[RQ_SA_8BIT_IDX]);
diff --git a/drivers/char/ipmi/ipmi_msghandler.c b/drivers/char/ipmi/ipmi_msghandler.c
index 51f76d755f98..0247079db185 100644
--- a/drivers/char/ipmi/ipmi_msghandler.c
+++ b/drivers/char/ipmi/ipmi_msghandler.c
@@ -1393,6 +1393,7 @@ static void _ipmi_destroy_user(struct ipmi_user *user)
}
}
mutex_unlock(&intf->cmd_rcvrs_mutex);
+ synchronize_rcu();
while (rcvrs) {
rcvr = rcvrs;
rcvrs = rcvr->next;
@@ -3740,6 +3741,7 @@ int ipmi_add_smi(struct module *owner,
sysfs_attr_init(&intf->maintenance_mode_devattr.attr);
rv = device_create_file(intf->si_dev, &intf->maintenance_mode_devattr);
if (rv) {
+ device_remove_file(intf->si_dev, &intf->nr_msgs_devattr);
device_remove_file(intf->si_dev, &intf->nr_users_devattr);
goto out_err_bmc_reg;
}
@@ -3757,12 +3759,14 @@ int ipmi_add_smi(struct module *owner,
out_err_bmc_reg:
ipmi_bmc_unregister(intf);
out_err_started:
+ intf->in_shutdown = true;
if (intf->handlers->shutdown)
intf->handlers->shutdown(intf->send_info);
out_err:
list_del(&intf->link);
mutex_unlock(&ipmi_interfaces_mutex);
mutex_unlock(&smi_watchers_mutex);
+ cancel_work_sync(&intf->smi_work);
kref_put(&intf->refcount, intf_free);
return rv;