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MFC r196990:

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cr_groups is no longer embedded in struct ucred and is instead stored
in a seperate array.  As such we need to use kvm_read rather than bcopy
to populate the ki_groups field.

This fixes a crash when running ps -ax on a coredump.

Reported by:	brucec
Tested by:	brucec
MFC after:	3 days
Approved by:	re@ (kib)
This commit is contained in:
Brooks Davis 2009-09-24 21:35:13 +00:00
parent 7bd26ba4cc
commit ad00749016
1 changed files with 1 additions and 1 deletions
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2
lib/libkvm/kvm_proc.c
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@ -151,7 +151,7 @@ kvm_proclist(kd, what, arg, p, bp, maxcnt)
kp->ki_cr_flags |= KI_CRF_GRP_OVERFLOW;
}
kp->ki_ngroups = ucred.cr_ngroups;
bcopy(ucred.cr_groups, kp->ki_groups,
kvm_read(kd, (u_long)ucred.cr_groups, kp->ki_groups,
kp->ki_ngroups * sizeof(gid_t));
kp->ki_uid = ucred.cr_uid;
if (ucred.cr_prison != NULL) {