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
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2ff8f63aa6
commit
d534b0c238
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=196990
@ -151,7 +151,7 @@ kvm_proclist(kd, what, arg, p, bp, maxcnt)
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kp->ki_cr_flags |= KI_CRF_GRP_OVERFLOW;
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}
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kp->ki_ngroups = ucred.cr_ngroups;
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bcopy(ucred.cr_groups, kp->ki_groups,
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kvm_read(kd, (u_long)ucred.cr_groups, kp->ki_groups,
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kp->ki_ngroups * sizeof(gid_t));
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kp->ki_uid = ucred.cr_uid;
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if (ucred.cr_prison != NULL) {
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