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| author | Yu Watanabe <watanabe.yu+github@gmail.com> | 2020-11-09 14:33:16 +0900 |
|---|---|---|
| committer | Zbigniew Jędrzejewski-Szmek <zbyszek@in.waw.pl> | 2020-12-10 17:23:20 +0100 |
| commit | 8e853fb49167d381e31578fdb72fd1d8b56d4b2a (patch) | |
| tree | 1475666472ff9f51e4463059188e7e452db5bf4d | |
| parent | 723c95e5f77a0b79d19b6403cb08901498353766 (diff) | |
| download | systemd-8e853fb49167d381e31578fdb72fd1d8b56d4b2a.tar.gz | |
sd-bus: fix possible division by 0
Fixes #17541.
(cherry picked from commit 291bb0b01cae22c3c14882fd5a0ad557c92d9298)
(cherry picked from commit f1679a86aaa9b5c099754857a7a782e90f267be0)
| -rw-r--r-- | src/libsystemd/sd-bus/bus-message.c | 2 |
1 files changed, 2 insertions, 0 deletions
diff --git a/src/libsystemd/sd-bus/bus-message.c b/src/libsystemd/sd-bus/bus-message.c index f06bca1570..754f9f40e8 100644 --- a/src/libsystemd/sd-bus/bus-message.c +++ b/src/libsystemd/sd-bus/bus-message.c @@ -3187,6 +3187,8 @@ static int container_next_item(sd_bus_message *m, struct bus_container *c, size_ int sz; sz = bus_gvariant_get_size(c->signature); + if (sz == 0) + return -EBADMSG; if (sz < 0) { int alignment; |