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authorNicholas Piggin <npiggin@gmail.com>2024-08-13 21:23:26 +0100
committerAlex Bennée <alex.bennee@linaro.org>2024-08-16 14:04:19 +0100
commit97d2b66dcd8c771065807b4acfd0002dac4385be (patch)
treed123cc10c67dc0d8fb211693597bbbd738286b47
parent44bc14fa1e78f01bfddcb265fc41c29204ebbfd8 (diff)
savevm: Fix load_snapshot error path crash
An error path missed setting *errp, which can cause a NULL deref. Reviewed-by: Alex Bennée <alex.bennee@linaro.org> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Message-Id: <20240813050638.446172-11-npiggin@gmail.com> Signed-off-by: Alex Bennée <alex.bennee@linaro.org> Message-Id: <20240813202329.1237572-19-alex.bennee@linaro.org>
-rw-r--r--migration/savevm.c1
1 files changed, 1 insertions, 0 deletions
diff --git a/migration/savevm.c b/migration/savevm.c
index 85958d7b09..6bb404b9c8 100644
--- a/migration/savevm.c
+++ b/migration/savevm.c
@@ -3288,6 +3288,7 @@ bool load_snapshot(const char *name, const char *vmstate,
/* Don't even try to load empty VM states */
ret = bdrv_snapshot_find(bs_vm_state, &sn, name);
if (ret < 0) {
+ error_setg(errp, "Snapshot can not be found");
return false;
} else if (sn.vm_state_size == 0) {
error_setg(errp, "This is a disk-only snapshot. Revert to it "