The branch main has been updated by mjg:
URL:
https://cgit.FreeBSD.org/src/commit/?id=e71d5c7331700504e58cf1a35dca529381723e02
commit e71d5c7331700504e58cf1a35dca529381723e02
Author: Mateusz Guzik <m...@freebsd.org>
AuthorDate: 2021-05-22 20:12:31 +0000
Commit: Mateusz Guzik <m...@freebsd.org>
CommitDate: 2021-05-22 20:18:21 +0000
Fix limit testing after 1762f674ccb571e6 ktrace commit.
The previous:
if ((uoff_t)uio->uio_offset + uio->uio_resid > lim)
signal(....);
was replaced with:
if ((uoff_t)uio->uio_offset + uio->uio_resid < lim)
return;
signal(....);
Making (uoff_t)uio->uio_offset + uio->uio_resid == lim trip over the
limit, when it did not previously.
Unbreaks running 13.0 buildworld.
---
sys/kern/vfs_vnops.c | 2 +-
1 file changed, 1 insertion(+), 1 deletion(-)
diff --git a/sys/kern/vfs_vnops.c b/sys/kern/vfs_vnops.c
index 9e45d1820eec..34fcef1b7e1f 100644
--- a/sys/kern/vfs_vnops.c
+++ b/sys/kern/vfs_vnops.c
@@ -2368,7 +2368,7 @@ vn_rlimit_fsize(const struct vnode *vp, const struct uio
*uio,
return (0);
ktr_write = (td->td_pflags & TDP_INKTRACE) != 0;
lim = ktr_write ? td->td_ktr_io_lim : lim_cur(td, RLIMIT_FSIZE);
- if ((uoff_t)uio->uio_offset + uio->uio_resid < lim)
+ if ((uoff_t)uio->uio_offset + uio->uio_resid <= lim)
return (0);
if (!ktr_write || ktr_filesize_limit_signal) {
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