git: ccc6b87b3825 - main - quiesce_cpus(): do not overallocate generation array
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Date: Tue, 09 May 2023 15:30:14 UTC
The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=ccc6b87b3825a235991d978e43d29431e012461f commit ccc6b87b3825a235991d978e43d29431e012461f Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2023-05-05 20:21:38 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2023-05-09 15:30:07 +0000 quiesce_cpus(): do not overallocate generation array Also switch to mallocarray(). Reviewed by: markj Sponsored by: The FreeBSD Foundation MFC after: 1 week Differential revision: https://reviews.freebsd.org/D39981 --- sys/kern/subr_smp.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/sys/kern/subr_smp.c b/sys/kern/subr_smp.c index 656c945fe8c2..745b1554371e 100644 --- a/sys/kern/subr_smp.c +++ b/sys/kern/subr_smp.c @@ -975,7 +975,8 @@ quiesce_cpus(cpuset_t map, const char *wmesg, int prio) error = 0; if ((prio & PDROP) == 0) { - gen = malloc(sizeof(u_int) * MAXCPU, M_TEMP, M_WAITOK); + gen = mallocarray(sizeof(u_int), mp_maxid + 1, M_TEMP, + M_WAITOK); for (cpu = 0; cpu <= mp_maxid; cpu++) { if (!CPU_ISSET(cpu, &map) || CPU_ABSENT(cpu)) continue;