Unverified Commit 01d086ca authored by openeuler-ci-bot's avatar openeuler-ci-bot Committed by Gitee
Browse files

!10581 v2 bpf: Avoid uninitialized value in BPF_CORE_READ_BITFIELD 

Merge Pull Request from: @ci-robot 
 
PR sync from: Pu Lehui <pulehui@huawei.com>
https://mailweb.openeuler.org/hyperkitty/list/kernel@openeuler.org/message/MK5E5G7L5KAJFMETUP7Y2UOIHEZI3YCY/ 
 
https://gitee.com/src-openeuler/kernel/issues/IAGRP3 
 
Link:https://gitee.com/openeuler/kernel/pulls/10581

 

Reviewed-by: default avatarYe Weihua <yeweihua4@huawei.com>
Signed-off-by: default avatarYang Yingliang <yangyingliang@huawei.com>
parents d606fdd4 27a3736e

tools/lib/bpf/bpf_core_read.h

+1 −0
Original line number Diff line number Diff line
@@ -101,6 +101,7 @@ enum bpf_enum_value_kind { 
	case 2: val = *(const unsigned short *)p; break;		      \

	case 4: val = *(const unsigned int *)p; break;			      \

	case 8: val = *(const unsigned long long *)p; break;		      \

	default: val = 0; break;					      \

	}								      \

	val <<= __CORE_RELO(s, field, LSHIFT_U64);			      \

	if (__CORE_RELO(s, field, SIGNED))				      \