| Message ID | 20240103-module_loading_fix-v2-1-292b160552c9@rivosinc.com (mailing list archive) |
|---|---|
| State | Superseded |
| Headers | show |
| Series | riscv: modules: Fix module loading error handling | expand |
diff --git a/arch/riscv/kernel/module.c b/arch/riscv/kernel/module.c index aac019ed63b1..21c7a773a8ef 100644 --- a/arch/riscv/kernel/module.c +++ b/arch/riscv/kernel/module.c @@ -723,8 +723,8 @@ static int add_relocation_to_accumulate(struct module *me, int type, if (!bucket) { kfree(entry); - kfree(rel_head); kfree(rel_head->rel_entry); + kfree(rel_head); return -ENOMEM; }
Reverse order of kfree calls to resolve use-after-free error. Signed-off-by: Charlie Jenkins <charlie@rivosinc.com> Fixes: d8792a5734b0 ("riscv: Safely remove entries from relocation list") Reported-by: kernel test robot <lkp@intel.com> Reported-by: Dan Carpenter <error27@gmail.com> Closes: https://lore.kernel.org/r/202312132019.iYGTwW0L-lkp@intel.com/ Reported-by: kernel test robot <lkp@intel.com> Reported-by: Julia Lawall <julia.lawall@inria.fr> Closes: https://lore.kernel.org/r/202312120044.wTI1Uyaa-lkp@intel.com/ --- arch/riscv/kernel/module.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-)