When a path wwid changes, uev_update_path was dereferencing pp->mpp without checking if it was NULL.
Cc: Shichangkuo <[email protected]> Signed-off-by: Benjamin Marzinski <[email protected]> --- multipathd/main.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/multipathd/main.c b/multipathd/main.c index 995e580..0c61caa 100644 --- a/multipathd/main.c +++ b/multipathd/main.c @@ -1002,7 +1002,8 @@ uev_update_path (struct uevent *uev, struct vectors * vecs) if (!pp->wwid_changed) { pp->wwid_changed = 1; pp->tick = 1; - dm_fail_path(pp->mpp->alias, pp->dev_t); + if (pp->mpp) + dm_fail_path(pp->mpp->alias, pp->dev_t); } goto out; } else -- 1.8.3.1 -- dm-devel mailing list [email protected] https://www.redhat.com/mailman/listinfo/dm-devel
