Unverified Commit 2a9b96eb authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!14378 ftrace: Fix regression with module command in stack_trace_filter 

Merge Pull Request from: @ci-robot 
 
PR sync from: Luo Gengkun <luogengkun2@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/DMFPNRDQ2PW6IMRHAU4HMAWFEDMUR25I/ 
 
https://gitee.com/src-openeuler/kernel/issues/IBEAMJ 
 
Link:https://gitee.com/openeuler/kernel/pulls/14378

 

Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Reviewed-by: default avatarLi Nan <linan122@huawei.com>
Signed-off-by: default avatarLi Nan <linan122@huawei.com>
parents e1673f16 49006b4b

kernel/trace/ftrace.c

+3 −0
Original line number Diff line number Diff line
@@ -4312,6 +4312,9 @@ ftrace_mod_callback(struct trace_array *tr, struct ftrace_hash *hash, 
	char *func;

	int ret;



	if (!tr)

		return -ENODEV;



	/* match_records() modifies func, and we need the original */

	func = kstrdup(func_orig, GFP_KERNEL);

	if (!func)