git: e4e41b39a4dc - stable/12 - iir: prevent negative offsets in ioctl
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Date: Sat, 09 Sep 2023 15:18:14 UTC
The branch stable/12 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=e4e41b39a4dc22a31c7d239ca1ac29bdd6c10b47 commit e4e41b39a4dc22a31c7d239ca1ac29bdd6c10b47 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2023-08-28 03:38:30 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2023-09-09 15:16:19 +0000 iir: prevent negative offsets in ioctl MFS of direct commit to stable/13 as this driver has been removed from main in commit 399188a2c60c ("iir: Remove"). PR: 273328 Reported by: ChenHao Lu Sponsored by: The FreeBSD Foundation (cherry picked from commit b5a5a06fc012d27c6937776bff8469ea465c3873) --- sys/dev/iir/iir.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/dev/iir/iir.c b/sys/dev/iir/iir.c index 35ceef8d66a5..f6430b7c5a71 100644 --- a/sys/dev/iir/iir.c +++ b/sys/dev/iir/iir.c @@ -1855,7 +1855,7 @@ int gdt_read_event(int handle, gdt_evt_str *estr) eindex = handle; estr->event_source = 0; - if (eindex >= GDT_MAX_EVENTS) { + if (eindex < 0 || eindex >= GDT_MAX_EVENTS) { mtx_unlock(&elock); return eindex; }