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| author | Wang Hai <wanghai38@huawei.com> | 2020-07-30 14:36:02 +0800 |
|---|---|---|
| committer | Heiko Carstens <hca@linux.ibm.com> | 2020-08-11 18:16:16 +0200 |
| commit | 75d3e7f4769d276a056efa1cc7f08de571fc9b4b (patch) | |
| tree | f2bdda1253987318ddd609bb7c6045998989effc /arch/s390/lib | |
| parent | ba925fa35057a062ac98c3e8138b013ce4ce351c (diff) | |
| download | linux-75d3e7f4769d276a056efa1cc7f08de571fc9b4b.tar.gz | |
s390/test_unwind: fix possible memleak in test_unwind()
test_unwind() misses to call kfree(bt) in an error path.
Add the missed function call to fix it.
Fixes: 0610154650f1 ("s390/test_unwind: print verbose unwinding results")
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: Wang Hai <wanghai38@huawei.com>
Acked-by: Ilya Leoshkevich <iii@linux.ibm.com>
Signed-off-by: Heiko Carstens <hca@linux.ibm.com>
Diffstat (limited to 'arch/s390/lib')
| -rw-r--r-- | arch/s390/lib/test_unwind.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/arch/s390/lib/test_unwind.c b/arch/s390/lib/test_unwind.c index eb382ceaa116..7c988994931f 100644 --- a/arch/s390/lib/test_unwind.c +++ b/arch/s390/lib/test_unwind.c @@ -64,6 +64,7 @@ static noinline int test_unwind(struct task_struct *task, struct pt_regs *regs, break; if (state.reliable && !addr) { pr_err("unwind state reliable but addr is 0\n"); + kfree(bt); return -EINVAL; } sprint_symbol(sym, addr); |