Date: Wed, 08 Jul 2026 17:01:24 +0000 From: Konstantin Belousov <kib@FreeBSD.org> To: src-committers@FreeBSD.org, dev-commits-src-all@FreeBSD.org, dev-commits-src-main@FreeBSD.org Subject: git: b72397da275b - main - kern_filewrite(): unconditionally calculate cnt, it is used by callers Message-ID: <6a4e8264.32e05.2b37112e@gitrepo.freebsd.org>
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The branch main has been updated by kib: URL: https://cgit.FreeBSD.org/src/commit/?id=b72397da275b098365532133688d555b842bad4f commit b72397da275b098365532133688d555b842bad4f Author: Konstantin Belousov <kib@FreeBSD.org> AuthorDate: 2026-07-08 14:54:25 +0000 Commit: Konstantin Belousov <kib@FreeBSD.org> CommitDate: 2026-07-08 17:01:09 +0000 kern_filewrite(): unconditionally calculate cnt, it is used by callers Reported by: dhw, madpilot Tested by: dhw Sponsored by: The FreeBSD Foundation MFC after: 1 week Fixes: dfad790c8cca ("sendfile: stop abusing kern_writev()") --- sys/kern/sys_generic.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/sys/kern/sys_generic.c b/sys/kern/sys_generic.c index 079bd7b347d7..d5145d6cf322 100644 --- a/sys/kern/sys_generic.c +++ b/sys/kern/sys_generic.c @@ -595,9 +595,9 @@ kern_filewrite(struct thread *td, int fd, struct file *fp, struct uio *auio, #endif cnt = auio->uio_resid; error = fo_write(fp, auio, td->td_ucred, flags, td); + cnt -= auio->uio_resid; #ifdef KTRACE if (ktruio != NULL) { - cnt -= auio->uio_resid; if (error == 0) ktruio->uio_resid = cnt; ktrgenio(fd, UIO_WRITE, ktruio, error);home | help
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