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| author | Ashish SHUKLA <ashish@FreeBSD.org> | 2022-08-30 08:18:51 +0000 |
|---|---|---|
| committer | Ashish SHUKLA <ashish@FreeBSD.org> | 2022-10-26 03:23:24 +0000 |
| commit | c3af4c1ee8791f4e1bddd4df648c8d5cfdc62b2e (patch) | |
| tree | 45c8cacb05aaef1d305605a1aeb7c464f249dd3b | |
| parent | 944ebd1775b2c411e7297f4b56d42b5a92b4cff5 (diff) | |
| download | src-c3af4c1ee8791f4e1bddd4df648c8d5cfdc62b2e.tar.gz src-c3af4c1ee8791f4e1bddd4df648c8d5cfdc62b2e.zip | |
kvm_close(3): Check kd->sparse_map != NULL before munmap
PR: 266113
Reviewed by: markj
(cherry picked from commit e6901a29bc4345f12e9c85426cc2be81045020a6)
| -rw-r--r-- | lib/libkvm/kvm.c | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/libkvm/kvm.c b/lib/libkvm/kvm.c index b98f2f25e619..4b886171a7d6 100644 --- a/lib/libkvm/kvm.c +++ b/lib/libkvm/kvm.c @@ -303,7 +303,7 @@ kvm_close(kvm_t *kd) free(kd->pt_map); if (kd->page_map != NULL) free(kd->page_map); - if (kd->sparse_map != MAP_FAILED) + if (kd->sparse_map != MAP_FAILED && kd->sparse_map != NULL) munmap(kd->sparse_map, kd->pt_sparse_size); free((void *)kd); |