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ntb_tool: ubuf is too small to hold a human readable 64 bit value

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ubuf buffer is too small. It should be 18 if a NULL is not needed,
or 19 to hold the NULL terminator for the full 64-BIT value plus
the 0x prefix.

Submitted by:	bret_ketchum@dell.com
Reviewed by:	markj mav
MFC after:	2 weeks
Sponsored by:	Dell EMC Isilon
Differential Revision:	https://reviews.freebsd.org/D26893
This commit is contained in:
Eric van Gyzen 2020-10-21 17:11:57 +00:00
parent 8a27a63745
commit c59370f055
1 changed files with 1 additions and 1 deletions
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2
sys/dev/ntb/test/ntb_tool.c
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@ -384,7 +384,7 @@ get_ubuf(struct sysctl_req *req, char *ubuf)
static int
read_out(struct sysctl_req *req, uint64_t val)
{
char ubuf[16];
char ubuf[19];
memset((void *)ubuf, 0, sizeof(ubuf));
snprintf(ubuf, sizeof(ubuf), "0x%jx", val);