diff options
| author | Zqiang <qiang.zhang@linux.dev> | 2025-12-08 19:23:19 +0800 |
|---|---|---|
| committer | Tejun Heo <tj@kernel.org> | 2025-12-08 07:08:17 -1000 |
| commit | 517a44d18537ef8ab888f71197c80116c14cee0a (patch) | |
| tree | b354db952221099a92d49cedbf263e2d183b39ca /tools/lib/python/kdoc/parse_data_structs.py | |
| parent | c2f2b01b74be8b40a2173372bcd770723f87e7b2 (diff) | |
sched_ext: Fix the memleak for sch->helper objects
This commit use kthread_destroy_worker() to release sch->helper
objects to fix the following kmemleak:
unreferenced object 0xffff888121ec7b00 (size 128):
comm "scx_simple", pid 1197, jiffies 4295884415
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 ad 4e ad de .............N..
ff ff ff ff 00 00 00 00 ff ff ff ff ff ff ff ff ................
backtrace (crc 587b3352):
kmemleak_alloc+0x62/0xa0
__kmalloc_cache_noprof+0x28d/0x3e0
kthread_create_worker_on_node+0xd5/0x1f0
scx_enable.isra.210+0x6c2/0x25b0
bpf_scx_reg+0x12/0x20
bpf_struct_ops_link_create+0x2c3/0x3b0
__sys_bpf+0x3102/0x4b00
__x64_sys_bpf+0x79/0xc0
x64_sys_call+0x15d9/0x1dd0
do_syscall_64+0xf0/0x470
entry_SYSCALL_64_after_hwframe+0x77/0x7f
Fixes: bff3b5aec1b7 ("sched_ext: Move disable machinery into scx_sched")
Cc: stable@vger.kernel.org # v6.16+
Signed-off-by: Zqiang <qiang.zhang@linux.dev>
Signed-off-by: Tejun Heo <tj@kernel.org>
Diffstat (limited to 'tools/lib/python/kdoc/parse_data_structs.py')
0 files changed, 0 insertions, 0 deletions