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Code Issues Releases Activity

ping: Fix an uninitialized variable

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The variable oicmp, which holds the original ("quoted packet") ICMP
packet in a structured way, did not have a copy of the original ICMP
packet obtained from the raw data.

The code was accidentally removed in 20b4130314. Bring it back.

Reported by:	Coverity Scan, cy
Reviewed by:	cy
CID:		1506960 (UNINIT)
Fixes:		20b4130314
MFC after:	1 week
Differential Revision:	https://reviews.freebsd.org/D39233
This commit is contained in:
Jose Luis Duran 2023-03-23 21:53:54 -07:00 committed by Cy Schubert
parent 2084f6a496
commit 4630a3252a
1 changed files with 3 additions and 0 deletions
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3
sbin/ping/ping.c
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@ -1156,6 +1156,7 @@ pr_pack(char *buf, ssize_t cc, struct sockaddr_in *from, struct timespec *tv)
struct ip oip;
u_char oip_header_len;
struct icmp oicmp;
const u_char *oicmp_raw;
/*
* Get size of IP header of the received packet.
@ -1359,6 +1360,8 @@ pr_pack(char *buf, ssize_t cc, struct sockaddr_in *from, struct timespec *tv)
}
memcpy(&oip, icmp_data_raw, sizeof(struct ip));
oicmp_raw = icmp_data_raw + oip_header_len;
memcpy(&oicmp, oicmp_raw, sizeof(struct icmp));
if (((options & F_VERBOSE) && uid == 0) ||
(!(options & F_QUIET2) &&