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| author | Mark Johnston <markj@FreeBSD.org> | 2018-03-08 17:04:36 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2018-03-08 17:04:36 +0000 |
| commit | bde3b1e1a5969fa937f08ce8c325b581113740e7 (patch) | |
| tree | 0ee1eaae4f9f006d6874a35ad7d282bd3ff09d63 /sys/kern/kern_shutdown.c | |
| parent | 50e3ba10e8f42c80612440b3e5466158aa5a2370 (diff) | |
| download | src-bde3b1e1a5969fa937f08ce8c325b581113740e7.tar.gz src-bde3b1e1a5969fa937f08ce8c325b581113740e7.zip | |
Return E2BIG if we run out of space writing a compressed kernel dump.
ENOSPC causes the MD kernel dump code to retry the dump, but this is
undesirable in the case where we legitimately ran out of space.
Notes
Notes:
svn path=/head/; revision=330663
Diffstat (limited to 'sys/kern/kern_shutdown.c')
| -rw-r--r-- | sys/kern/kern_shutdown.c | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/sys/kern/kern_shutdown.c b/sys/kern/kern_shutdown.c index aa60eecc5fa1..71d4484782fe 100644 --- a/sys/kern/kern_shutdown.c +++ b/sys/kern/kern_shutdown.c @@ -1115,6 +1115,12 @@ dump_check_bounds(struct dumperinfo *di, off_t offset, size_t length) if (length != 0 && (offset < di->mediaoffset || offset - di->mediaoffset + length > di->mediasize)) { + if (di->kdcomp != NULL && offset >= di->mediaoffset) { + printf( + "Compressed dump failed to fit in device boundaries.\n"); + return (E2BIG); + } + printf("Attempt to write outside dump device boundaries.\n" "offset(%jd), mediaoffset(%jd), length(%ju), mediasize(%jd).\n", (intmax_t)offset, (intmax_t)di->mediaoffset, |