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| author | Mark Johnston <markj@FreeBSD.org> | 2021-01-03 16:35:42 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2021-01-03 16:50:31 +0000 |
| commit | 214257da3a562d1a330a6ce784074a952d354754 (patch) | |
| tree | fbb6e228f8b61278c40b859847a52ebc8a3e22db /sys/kern/kern_sendfile.c | |
| parent | 2ce5eef6e23acba92d5dc2056d9be28542802750 (diff) | |
| download | src-214257da3a562d1a330a6ce784074a952d354754.tar.gz src-214257da3a562d1a330a6ce784074a952d354754.zip | |
sendfile: Clear page pointers when handling a pager error
When INVARIANTS is configred, the sendfile_iodone() callback verifies
that pages attached to the sendfile header are wired, but we unwire all
such pages after a synchronous pager error, before calling
sendfile_iodone().
Reported by: pho
Tested by: pho
Sponsored by: The FreeBSD Foundation
Diffstat (limited to 'sys/kern/kern_sendfile.c')
| -rw-r--r-- | sys/kern/kern_sendfile.c | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/sys/kern/kern_sendfile.c b/sys/kern/kern_sendfile.c index 18c9ade721a9..7d7be6f072e9 100644 --- a/sys/kern/kern_sendfile.c +++ b/sys/kern/kern_sendfile.c @@ -540,6 +540,7 @@ sendfile_swapin(vm_object_t obj, struct sf_io *sfio, int *nios, off_t off, ("%s: page %p[%d] I/O recovery failure", __func__, pa, j)); vm_page_unwire(pa[j], PQ_INACTIVE); + pa[j] = NULL; } return (EIO); } |