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| author | Mark Johnston <markj@FreeBSD.org> | 2019-05-18 14:19:23 +0000 |
|---|---|---|
| committer | Mark Johnston <markj@FreeBSD.org> | 2019-05-18 14:19:23 +0000 |
| commit | fd0be988cba4c3206bbc13c61342880048d68d07 (patch) | |
| tree | 38774a3529be2cfd7aeb351984d74d1ff123ce39 /sys/kern/subr_vmem.c | |
| parent | 19a9d4fa28fbcc2c994295733165962b5d829361 (diff) | |
| download | src-fd0be988cba4c3206bbc13c61342880048d68d07.tar.gz src-fd0be988cba4c3206bbc13c61342880048d68d07.zip | |
Update the DIAGNOSTIC-only vmem_check_sanity() after r347949.
Cursor tags are special and shouldn't be subject to the existing checks.
Reported by: kib, David Wolfskill
MFC with: r347949
Notes
Notes:
svn path=/head/; revision=347955
Diffstat (limited to 'sys/kern/subr_vmem.c')
| -rw-r--r-- | sys/kern/subr_vmem.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/sys/kern/subr_vmem.c b/sys/kern/subr_vmem.c index 3a7f4f9c8d31..0c8421d9d824 100644 --- a/sys/kern/subr_vmem.c +++ b/sys/kern/subr_vmem.c @@ -1738,10 +1738,20 @@ vmem_check_sanity(vmem_t *vm) } } TAILQ_FOREACH(bt, &vm->vm_seglist, bt_seglist) { + if (bt->bt_type == BT_TYPE_CURSOR) { + if (bt->bt_start != 0 || bt->bt_size != 0) { + printf("corrupted cursor\n"); + return false; + } + continue; + } TAILQ_FOREACH(bt2, &vm->vm_seglist, bt_seglist) { if (bt == bt2) { continue; } + if (bt2->bt_type == BT_TYPE_CURSOR) { + continue; + } if (BT_ISSPAN_P(bt) != BT_ISSPAN_P(bt2)) { continue; } |