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authorRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
committerRafael J. Wysocki <rafael.j.wysocki@intel.com>2025-09-29 10:10:05 +0200
commit17eb8812917b10ce4146b5595f91d8e45bfe68cc (patch)
treef905aa6c71212f4b460e23ceaec98346b999066a /drivers/net/ethernet/intel/e1000e/ethtool.c
parent57610d69f909ea2ea072775c6ad64ba9fad590bb (diff)
parent23199d2aa6dcaf6dd2da772f93d2c94317d71459 (diff)
Merge tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux
Merge cpupower utility updates for 6.18-rc1 from Shuah Khan: "Fixes incorrect return vale in cpupower_write_sysfs() error path and passing incorrect size to cpuidle_state_write_file() while writing status to disable file in cpuidle_state_disable()." * tag 'linux-cpupower-6.18-rc1' of git://git.kernel.org/pub/scm/linux/kernel/git/shuah/linux: (1125 commits) tools/cpupower: Fix incorrect size in cpuidle_state_disable() tools/cpupower: fix error return value in cpupower_write_sysfs() Linux 6.17-rc6 MAINTAINERS: Input: Drop melfas-mip4 section USB: core: remove the move buf action MAINTAINERS: Update the DMA Rust entry erofs: fix long xattr name prefix placement Revert "net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups" hsr: hold rcu and dev lock for hsr_get_port_ndev hsr: use hsr_for_each_port_rtnl in hsr_port_get_hsr hsr: use rtnl lock when iterating over ports wifi: nl80211: completely disable per-link stats for now net: usb: asix: ax88772: drop phylink use in PM to avoid MDIO runtime PM wakeups net: ethtool: fix wrong type used in struct kernel_ethtool_ts_info selftests/bpf: Skip timer cases when bpf_timer is not supported bpf: Reject bpf_timer for PREEMPT_RT libceph: fix invalid accesses to ceph_connection_v1_info PM: hibernate: Restrict GFP mask in hibernation_snapshot() MAINTAINERS: add Phil as netfilter reviewer netfilter: nf_tables: restart set lookup on base_seq change ...
Diffstat (limited to 'drivers/net/ethernet/intel/e1000e/ethtool.c')
-rw-r--r--drivers/net/ethernet/intel/e1000e/ethtool.c10
1 files changed, 7 insertions, 3 deletions
diff --git a/drivers/net/ethernet/intel/e1000e/ethtool.c b/drivers/net/ethernet/intel/e1000e/ethtool.c
index c0bbb12eed2e..cf01a108a5bb 100644
--- a/drivers/net/ethernet/intel/e1000e/ethtool.c
+++ b/drivers/net/ethernet/intel/e1000e/ethtool.c
@@ -549,12 +549,12 @@ static int e1000_set_eeprom(struct net_device *netdev,
{
struct e1000_adapter *adapter = netdev_priv(netdev);
struct e1000_hw *hw = &adapter->hw;
+ size_t total_len, max_len;
u16 *eeprom_buff;
- void *ptr;
- int max_len;
+ int ret_val = 0;
int first_word;
int last_word;
- int ret_val = 0;
+ void *ptr;
u16 i;
if (eeprom->len == 0)
@@ -569,6 +569,10 @@ static int e1000_set_eeprom(struct net_device *netdev,
max_len = hw->nvm.word_size * 2;
+ if (check_add_overflow(eeprom->offset, eeprom->len, &total_len) ||
+ total_len > max_len)
+ return -EFBIG;
+
first_word = eeprom->offset >> 1;
last_word = (eeprom->offset + eeprom->len - 1) >> 1;
eeprom_buff = kmalloc(max_len, GFP_KERNEL);