Messages in this thread |  | | Subject | Re: [PATCH net] net: atm: fix memory leak in atm_register_sysfs when device_register fail | | From | patchwork-bot+netdevbpf@kernel ... | | Date | Thu, 04 Sep 2025 08:00:06 +0000 |
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Hello:
This patch was applied to netdev/net.git (main) by Paolo Abeni <pabeni@redhat.com>:
On Mon, 1 Sep 2025 14:35:37 +0800 you wrote: > When device_register() return error in atm_register_sysfs(), which can be > triggered by kzalloc fail in device_private_init() or other reasons, > kmemleak reports the following memory leaks: > > unreferenced object 0xffff88810182fb80 (size 8): > comm "insmod", pid 504, jiffies 4294852464 > hex dump (first 8 bytes): > 61 64 75 6d 6d 79 30 00 adummy0. > backtrace (crc 14dfadaf): > __kmalloc_node_track_caller_noprof+0x335/0x450 > kvasprintf+0xb3/0x130 > kobject_set_name_vargs+0x45/0x120 > dev_set_name+0xa9/0xe0 > atm_register_sysfs+0xf3/0x220 > atm_dev_register+0x40b/0x780 > 0xffffffffa000b089 > do_one_initcall+0x89/0x300 > do_init_module+0x27b/0x7d0 > load_module+0x54cd/0x5ff0 > init_module_from_file+0xe4/0x150 > idempotent_init_module+0x32c/0x610 > __x64_sys_finit_module+0xbd/0x120 > do_syscall_64+0xa8/0x270 > entry_SYSCALL_64_after_hwframe+0x77/0x7f > > [...]
Here is the summary with links: - [net] net: atm: fix memory leak in atm_register_sysfs when device_register fail https://git.kernel.org/netdev/net/c/0a228624bcc0
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