Unverified Commit 24ec46d3 authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!5945 [sync] PR-5861: ksmbd: fix uaf in smb20_oplock_break_ack 

Merge Pull Request from: @openeuler-sync-bot 
 

Origin pull request: 
https://gitee.com/openeuler/kernel/pulls/5861 
 
PR sync from: Long Li <leo.lilong@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/WDGOUOZTAAFCTWDTQDTDPDPK4SHQKQHI/ 
 
https://gitee.com/src-openeuler/kernel/issues/I94P2I 
 
Link:https://gitee.com/openeuler/kernel/pulls/5945

 

Reviewed-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
Signed-off-by: default avatarJialin Zhang <zhangjialin11@huawei.com>
parents 441fac02 890223b1

fs/ksmbd/smb2pdu.c

+2 −2
Original line number Diff line number Diff line
@@ -8034,10 +8034,10 @@ static void smb20_oplock_break_ack(struct ksmbd_work *work) 
		goto err_out;

	}



	opinfo_put(opinfo);

	ksmbd_fd_put(work, fp);

	opinfo->op_state = OPLOCK_STATE_NONE;

	wake_up_interruptible_all(&opinfo->oplock_q);

	opinfo_put(opinfo);

	ksmbd_fd_put(work, fp);



	rsp->StructureSize = cpu_to_le16(24);

	rsp->OplockLevel = rsp_oplevel;