git: b5a5a06fc012 - stable/13 - iir: prevent negative offsets in ioctl
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Date: Mon, 28 Aug 2023 20:05:53 UTC
The branch stable/13 has been updated by emaste: URL: https://cgit.FreeBSD.org/src/commit/?id=b5a5a06fc012d27c6937776bff8469ea465c3873 commit b5a5a06fc012d27c6937776bff8469ea465c3873 Author: Ed Maste <emaste@FreeBSD.org> AuthorDate: 2023-08-28 03:38:30 +0000 Commit: Ed Maste <emaste@FreeBSD.org> CommitDate: 2023-08-28 19:37:09 +0000 iir: prevent negative offsets in ioctl 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 --- 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 d030227c6dd6..15c8db856d0e 100644 --- a/sys/dev/iir/iir.c +++ b/sys/dev/iir/iir.c @@ -1853,7 +1853,7 @@ 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; }