public-mirrors/linux
1
0
Fork 0
mirror of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git synced 2025-08-05 16:54:27 +00:00
Code Issues Projects Releases Packages Wiki Activity Actions

s390/test_unwind: fix possible memleak in test_unwind()

Browse source 
test_unwind() misses to call kfree(bt) in an error path.
Add the missed function call to fix it.

Fixes: 0610154650 ("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>
This commit is contained in:
Wang Hai 2020-07-30 14:36:02 +08:00 • committed by Heiko Carstens
parent ba925fa350
commit 75d3e7f476
1 changed files with 1 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

1
arch/s390/lib/test_unwind.c
View file

@ -64,6 +64,7 @@ static noinline int test_unwind(struct task_struct *task, struct pt_regs *regs,
break; break;
if (state.reliable && !addr) { if (state.reliable && !addr) {
pr_err("unwind state reliable but addr is 0\n"); pr_err("unwind state reliable but addr is 0\n");
kfree(bt);
return -EINVAL; return -EINVAL;
} }
sprint_symbol(sym, addr); sprint_symbol(sym, addr);