On 2024/9/5 21:59, Hyeonggon Yoo wrote: > On Thu, Sep 5, 2024 at 12:41 PM Jinjie Ruan <ruanjinjie@xxxxxxxxxx> wrote: >> >> >> >> On 2022/11/12 19:46, Liu Shixin wrote: >>> There is a memory leak of kobj->name in sysfs_slab_add(): >>> >>> unreferenced object 0xffff88817e446440 (size 32): >>> comm "insmod", pid 4085, jiffies 4296564501 (age 126.272s) >>> hex dump (first 32 bytes): >>> 75 62 69 66 73 5f 69 6e 6f 64 65 5f 73 6c 61 62 ubifs_inode_slab >>> 00 65 44 7e 81 88 ff ff 00 00 00 00 00 00 00 00 .eD~............ >>> backtrace: >>> [<000000005b30fbbd>] __kmalloc_node_track_caller+0x4e/0x150 >>> [<000000002f70da0c>] kstrdup_const+0x4b/0x80 >>> [<00000000c6712c61>] kobject_set_name_vargs+0x2f/0xb0 >>> [<00000000b151218e>] kobject_init_and_add+0xb0/0x120 >>> [<00000000e56a4cf5>] sysfs_slab_add+0x17d/0x220 >>> [<000000009326fd57>] __kmem_cache_create+0x406/0x590 >>> [<00000000dde33cff>] kmem_cache_create_usercopy+0x1fc/0x300 >>> [<00000000fe90cedb>] kmem_cache_create+0x12/0x20 >>> [<000000007a6531c8>] 0xffffffffa02d802d >>> [<000000000e3b13c7>] do_one_initcall+0x87/0x2a0 >>> [<00000000995ecdcf>] do_init_module+0xdf/0x320 >>> [<000000008821941f>] load_module+0x2f98/0x3330 >>> [<00000000ef51efa4>] __do_sys_finit_module+0x113/0x1b0 >>> [<000000009339fbce>] do_syscall_64+0x35/0x80 >>> [<000000006b7f2033>] entry_SYSCALL_64_after_hwframe+0x46/0xb0 >> >> >> Hi，every one, > > Hi. > >> I found the same problem and it solve this problem with the patch, is >> there any plan to update the patch and solve it. > > What kernel version do you use, 6.11.0-rc6 > and when do you encounter it or how do you reproduce it? Hi, Hyeonggon, Thank you, I encounter it when doing inject fault test while modprobe amdgpu.ko. > > -- > Hyeonggon
