[PATCH net-next 1/1] net: stmmac: fix memory leak during driver probe

patchwork-bot+netdevbpf at kernel.org patchwork-bot+netdevbpf at kernel.org
Tue Apr 20 00:10:15 BST 2021


Hello:

This patch was applied to netdev/net-next.git (refs/heads/master):

On Mon, 19 Apr 2021 19:25:30 +0800 you wrote:
> On driver probe, kmemleak reported the following memory leak which was
> due to allocated bitmap that was not being freed in stmmac_dvr_probe().
> 
> unreferenced object 0xffff9276014b13c0 (size 8):
>   comm "systemd-udevd", pid 2143, jiffies 4294681112 (age 116.720s)
>   hex dump (first 8 bytes):
>     00 00 00 00 00 00 00 00                          ........
>   backtrace:
>     [<00000000c51e34b2>] stmmac_dvr_probe+0x1c0/0x440 [stmmac]
>     [<00000000b530eb41>] intel_eth_pci_probe.cold+0x2b/0x14e [dwmac_intel]
>     [<00000000b10f8929>] pci_device_probe+0xd2/0x150
>     [<00000000fb254c74>] really_probe+0xf8/0x410
>     [<0000000034128a59>] driver_probe_device+0x5d/0x150
>     [<00000000016104d5>] device_driver_attach+0x53/0x60
>     [<00000000cb18cd07>] __driver_attach+0x96/0x140
>     [<00000000da9ffd5c>] bus_for_each_dev+0x7a/0xc0
>     [<00000000af061a88>] bus_add_driver+0x184/0x1f0
>     [<000000008be5c1c5>] driver_register+0x6c/0xc0
>     [<0000000052b18a9e>] do_one_initcall+0x4d/0x210
>     [<00000000154d4f07>] do_init_module+0x5c/0x230
>     [<000000009b648d09>] load_module+0x2a5a/0x2d40
>     [<000000000d86b76d>] __do_sys_finit_module+0xb5/0x120
>     [<000000002b0cef95>] do_syscall_64+0x33/0x40
>     [<0000000067b45bbb>] entry_SYSCALL_64_after_hwframe+0x44/0xa9
> 
> [...]

Here is the summary with links:
  - [net-next,1/1] net: stmmac: fix memory leak during driver probe
    https://git.kernel.org/netdev/net-next/c/d7f576dc9836

You are awesome, thank you!
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