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Put bandaid for nhgrp_dump_sysctl() malloc KASSERT().

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Recent rtsock changes widened epoch and covered nhgrp_dump_sysctl(),
  resulting in `netstat -4On` triggering with KASSERT.

(cherry picked from commit 9fa8d1582b)
This commit is contained in:
Alexander V. Chernikov 2021-03-29 23:12:11 +00:00
parent 923e7f7e12
commit 145ca12d22
1 changed files with 3 additions and 1 deletions
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4
sys/net/route/nhgrp_ctl.c
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@ -806,7 +806,9 @@ nhgrp_dump_sysctl(struct rib_head *rh, struct sysctl_req *w)
sz = sizeof(struct rt_msghdr) + sizeof(struct nhgrp_external);
sz += 2 * sizeof(struct nhgrp_container);
sz += 2 * sizeof(struct nhgrp_nhop_external) * RIB_MAX_MPATH_WIDTH;
buffer = malloc(sz, M_TEMP, M_WAITOK);
buffer = malloc(sz, M_TEMP, M_NOWAIT);
if (buffer == NULL)
return (ENOMEM);
NET_EPOCH_ENTER(et);
NHOPS_RLOCK(ctl);