FreeBSD Bugzilla – Attachment 216234 Details for
Bug 247790
PIDs are no longer randomized after reaching pid_max
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[patch]
Wrap `trypid' with a modulus.
patch-sys_kern_kern__fork.c (text/plain), 366 bytes, created by
kd-dev
on 2020-07-05 20:30:37 UTC
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Description:
Wrap `trypid' with a modulus.
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Creator:
kd-dev
Created:
2020-07-05 20:30:37 UTC
Size:
366 bytes
patch
obsolete
>Index: sys/kern/kern_fork.c >=================================================================== >--- sys/kern/kern_fork.c (revision 362913) >+++ sys/kern/kern_fork.c (working copy) >@@ -276,7 +276,7 @@ > } > retry: > if (trypid >= pid_max) >- trypid = 2; >+ trypid = trypid % pid_max + 2; > > bit_ffc_at(&proc_id_pidmap, trypid, pid_max, &result); > if (result == -1) {
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bug 247790
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