diff options
| author | Jinjie Ruan <ruanjinjie@huawei.com> | 2023-09-12 19:03:07 +0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2023-09-15 07:32:35 +0100 |
| commit | 39d0ccc185315408e7cecfcaf06d167927b51052 (patch) | |
| tree | 4bb23cd86a39907d45fb71dd22c7b2e853c44085 /tools/perf/scripts/python/task-analyzer.py | |
| parent | f037fc9905ffa6fa19b89bfbc86946798cede071 (diff) | |
net: microchip: sparx5: Fix memory leak for vcap_api_rule_add_actionvalue_test()
Inject fault while probing kunit-example-test.ko, the field which
is allocated by kzalloc in vcap_rule_add_action() of
vcap_rule_add_action_bit/u32() is not freed, and it cause
the memory leaks below.
unreferenced object 0xffff0276c496b300 (size 64):
comm "kunit_try_catch", pid 286, jiffies 4294894224 (age 920.072s)
hex dump (first 32 bytes):
68 3c 62 82 00 80 ff ff 68 3c 62 82 00 80 ff ff h<b.....h<b.....
3c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
backtrace:
[<0000000028f08898>] slab_post_alloc_hook+0xb8/0x368
[<00000000514b9b37>] __kmem_cache_alloc_node+0x174/0x290
[<000000004620684a>] kmalloc_trace+0x40/0x164
[<000000008b41c84d>] vcap_rule_add_action+0x104/0x178
[<00000000ae66c16c>] vcap_api_rule_add_actionvalue_test+0xa4/0x990
[<00000000fcc5326c>] kunit_try_run_case+0x50/0xac
[<00000000f5f45b20>] kunit_generic_run_threadfn_adapter+0x20/0x2c
[<0000000026284079>] kthread+0x124/0x130
[<0000000024d4a996>] ret_from_fork+0x10/0x20
unreferenced object 0xffff0276c496b2c0 (size 64):
comm "kunit_try_catch", pid 286, jiffies 4294894224 (age 920.072s)
hex dump (first 32 bytes):
68 3c 62 82 00 80 ff ff 68 3c 62 82 00 80 ff ff h<b.....h<b.....
3c 00 00 00 00 00 00 00 01 00 00 00 00 00 00 00 <...............
backtrace:
[<0000000028f08898>] slab_post_alloc_hook+0xb8/0x368
[<00000000514b9b37>] __kmem_cache_alloc_node+0x174/0x290
[<000000004620684a>] kmalloc_trace+0x40/0x164
[<000000008b41c84d>] vcap_rule_add_action+0x104/0x178
[<00000000607782aa>] vcap_api_rule_add_actionvalue_test+0x100/0x990
[<00000000fcc5326c>] kunit_try_run_case+0x50/0xac
[<00000000f5f45b20>] kunit_generic_run_threadfn_adapter+0x20/0x2c
[<0000000026284079>] kthread+0x124/0x130
[<0000000024d4a996>] ret_from_fork+0x10/0x20
unreferenced object 0xffff0276c496b280 (size 64):
comm "kunit_try_catch", pid 286, jiffies 4294894224 (age 920.072s)
hex dump (first 32 bytes):
68 3c 62 82 00 80 ff ff 68 3c 62 82 00 80 ff ff h<b.....h<b.....
3c 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 <...............
backtrace:
[<0000000028f08898>] slab_post_alloc_hook+0xb8/0x368
[<00000000514b9b37>] __kmem_cache_alloc_node+0x174/0x290
[<000000004620684a>] kmalloc_trace+0x40/0x164
[<000000008b41c84d>] vcap_rule_add_action+0x104/0x178
[<000000004e640602>] vcap_api_rule_add_actionvalue_test+0x15c/0x990
[<00000000fcc5326c>] kunit_try_run_case+0x50/0xac
[<00000000f5f45b20>] kunit_generic_run_threadfn_adapter+0x20/0x2c
[<0000000026284079>] kthread+0x124/0x130
[<0000000024d4a996>] ret_from_fork+0x10/0x20
unreferenced object 0xffff0276c496b240 (size 64):
comm "kunit_try_catch", pid 286, jiffies 4294894224 (age 920.092s)
hex dump (first 32 bytes):
68 3c 62 82 00 80 ff ff 68 3c 62 82 00 80 ff ff h<b.....h<b.....
5a 00 00 00 01 00 00 00 32 54 76 98 00 00 00 00 Z.......2Tv.....
backtrace:
[<0000000028f08898>] slab_post_alloc_hook+0xb8/0x368
[<00000000514b9b37>] __kmem_cache_alloc_node+0x174/0x290
[<000000004620684a>] kmalloc_trace+0x40/0x164
[<000000008b41c84d>] vcap_rule_add_action+0x104/0x178
[<0000000011141bf8>] vcap_api_rule_add_actionvalue_test+0x1bc/0x990
[<00000000fcc5326c>] kunit_try_run_case+0x50/0xac
[<00000000f5f45b20>] kunit_generic_run_threadfn_adapter+0x20/0x2c
[<0000000026284079>] kthread+0x124/0x130
[<0000000024d4a996>] ret_from_fork+0x10/0x20
unreferenced object 0xffff0276c496b200 (size 64):
comm "kunit_try_catch", pid 286, jiffies 4294894224 (age 920.092s)
hex dump (first 32 bytes):
68 3c 62 82 00 80 ff ff 68 3c 62 82 00 80 ff ff h<b.....h<b.....
28 00 00 00 01 00 00 00 dd cc bb aa 00 00 00 00 (...............
backtrace:
[<0000000028f08898>] slab_post_alloc_hook+0xb8/0x368
[<00000000514b9b37>] __kmem_cache_alloc_node+0x174/0x290
[<000000004620684a>] kmalloc_trace+0x40/0x164
[<000000008b41c84d>] vcap_rule_add_action+0x104/0x178
[<00000000d5ed3088>] vcap_api_rule_add_actionvalue_test+0x22c/0x990
[<00000000fcc5326c>] kunit_try_run_case+0x50/0xac
[<00000000f5f45b20>] kunit_generic_run_threadfn_adapter+0x20/0x2c
[<0000000026284079>] kthread+0x124/0x130
[<0000000024d4a996>] ret_from_fork+0x10/0x20
Fixes: c956b9b318d9 ("net: microchip: sparx5: Adding KUNIT tests of key/action values in VCAP API")
Signed-off-by: Jinjie Ruan <ruanjinjie@huawei.com>
Signed-off-by: David S. Miller <davem@davemloft.net>
Diffstat (limited to 'tools/perf/scripts/python/task-analyzer.py')
0 files changed, 0 insertions, 0 deletions