Ruan Jinjie
abbf73816b
kunit: fix possible memory leak in kunit_filter_suites()
...
Inject fault while probing drm_kunit_helpers.ko, if one of
kunit_next_attr_filter(), kunit_filter_glob_tests() and
kunit_filter_attr_tests() fails, parsed_filters,
parsed_glob.suite_glob/test_glob alloced in
kunit_parse_glob_filter() is leaked.
And the filtered_suite->test_cases alloced in kunit_filter_glob_tests()
or kunit_filter_attr_tests() may also be leaked.
unreferenced object 0xff110001067e4800 (size 1024):
comm "kunit_try_catch", pid 96, jiffies 4294671796 (age 763.547s)
hex dump (first 32 bytes):
73 75 69 74 65 32 00 00 00 00 00 00 00 00 00 00 suite2..........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000116e8eba>] __kmalloc_node_track_caller+0x4e/0x140
[<00000000e2f9cce9>] kmemdup+0x2c/0x60
[<000000002a36710b>] kunit_filter_suites+0x3e4/0xa50
[<0000000045779fb9>] filter_suites_test+0x1b7/0x440
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000105d79b00 (size 192):
comm "kunit_try_catch", pid 96, jiffies 4294671796 (age 763.547s)
hex dump (first 32 bytes):
f0 e1 5a 88 ff ff ff ff 60 59 bb 8a ff ff ff ff ..Z.....`Y......
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<000000006afe50bd>] kunit_filter_suites+0x424/0xa50
[<0000000045779fb9>] filter_suites_test+0x1b7/0x440
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff110001067e6000 (size 1024):
comm "kunit_try_catch", pid 98, jiffies 4294671798 (age 763.545s)
hex dump (first 32 bytes):
73 75 69 74 65 32 00 00 00 00 00 00 00 00 00 00 suite2..........
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<00000000116e8eba>] __kmalloc_node_track_caller+0x4e/0x140
[<00000000e2f9cce9>] kmemdup+0x2c/0x60
[<000000002a36710b>] kunit_filter_suites+0x3e4/0xa50
[<00000000f452f130>] filter_suites_test_glob_test+0x1b7/0x660
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000103f3a800 (size 96):
comm "kunit_try_catch", pid 98, jiffies 4294671798 (age 763.545s)
hex dump (first 32 bytes):
f0 e1 5a 88 ff ff ff ff 40 39 bb 8a ff ff ff ff ..Z.....@9......
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<000000006afe50bd>] kunit_filter_suites+0x424/0xa50
[<00000000f452f130>] filter_suites_test_glob_test+0x1b7/0x660
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000101a72ac0 (size 16):
comm "kunit_try_catch", pid 104, jiffies 4294671814 (age 763.529s)
hex dump (first 16 bytes):
00 00 00 00 00 00 00 00 e0 2a a7 01 01 00 11 ff .........*......
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<00000000c7b724e7>] kunit_filter_suites+0x108/0xa50
[<00000000bad5427d>] filter_attr_test+0x1e9/0x6a0
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000103caf880 (size 32):
comm "kunit_try_catch", pid 104, jiffies 4294671814 (age 763.547s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<00000000c47b0f75>] kunit_filter_suites+0x189/0xa50
[<00000000bad5427d>] filter_attr_test+0x1e9/0x6a0
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000101a72ae0 (size 16):
comm "kunit_try_catch", pid 106, jiffies 4294671823 (age 763.538s)
hex dump (first 16 bytes):
00 00 00 00 00 00 00 00 00 2b a7 01 01 00 11 ff .........+......
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<00000000c7b724e7>] kunit_filter_suites+0x108/0xa50
[<0000000096255c51>] filter_attr_empty_test+0x1b0/0x310
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000103caf9c0 (size 32):
comm "kunit_try_catch", pid 106, jiffies 4294671823 (age 763.538s)
hex dump (first 32 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<00000000c47b0f75>] kunit_filter_suites+0x189/0xa50
[<0000000096255c51>] filter_attr_empty_test+0x1b0/0x310
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
unreferenced object 0xff11000101a72b00 (size 16):
comm "kunit_try_catch", pid 108, jiffies 4294671832 (age 763.529s)
hex dump (first 16 bytes):
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
backtrace:
[<000000000d6e4891>] __kmalloc+0x4d/0x140
[<00000000c47b0f75>] kunit_filter_suites+0x189/0xa50
[<00000000881258cc>] filter_attr_skip_test+0x148/0x770
[<00000000cd1104a7>] kunit_try_run_case+0x119/0x270
[<00000000c654c917>] kunit_generic_run_threadfn_adapter+0x4e/0xa0
[<00000000d195ac13>] kthread+0x2c7/0x3c0
[<00000000b79c1ee9>] ret_from_fork+0x2c/0x70
[<000000001167f7e6>] ret_from_fork_asm+0x1b/0x30
Fixes: 5d31f71efcb6 ("kunit: add kunit.filter_glob cmdline option to filter suites")
Fixes: 529534e8cba3 ("kunit: Add ability to filter attributes")
Signed-off-by: Ruan Jinjie <ruanjinjie@huawei.com>
Reviewed-by: Rae Moar <rmoar@google.com>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>
2023-08-04 13:41:47 -06:00
..
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