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| author | Dmitry Vyukov <dvyukov@google.com> | 2021-02-19 12:52:30 +0100 |
|---|---|---|
| committer | Dmitry Vyukov <dvyukov@google.com> | 2021-02-19 15:46:09 +0100 |
| commit | f689d40a08ae1c9d73d043e7a2e807bc4022931b (patch) | |
| tree | ea6cfcb52b4dc895265c4e8a660d78d71619a62d /sys | |
| parent | 14052202e8d8d0bb407512b6861e9085f9171241 (diff) | |
executor: don't fail in syz_genetlink_get_family_id
We used to use our own netlink socket and then fail
on any errors. But commit "sys/linux: add ieee802154 descriptions"
made it possible to use fuzzer-provided socket,
and fuzzer can pass any invalid fd.
So don't fail on errors now.
Fixes #2444
Diffstat (limited to 'sys')
| -rw-r--r-- | sys/linux/test/syz_genetlink_get_family_id | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/sys/linux/test/syz_genetlink_get_family_id b/sys/linux/test/syz_genetlink_get_family_id new file mode 100644 index 000000000..36b62eef1 --- /dev/null +++ b/sys/linux/test/syz_genetlink_get_family_id @@ -0,0 +1,17 @@ +# syz_init_net_socket requires sandbox none, also doesn't work without sandbox b/c we are still in init net ns. +# requires: -sandbox= + +syz_genetlink_get_family_id$nl80211(&AUTO='nl80211\x00', 0xffffffffffffffff) +syz_genetlink_get_family_id$ieee802154(&AUTO='802.15.4 MAC\x00', 0xffffffffffffffff) # ENOENT + +r0 = socket$nl_generic(0x10, 0x3, 0x10) +syz_genetlink_get_family_id$nl80211(&AUTO='nl80211\x00', r0) +syz_genetlink_get_family_id$ieee802154(&AUTO='802.15.4 MAC\x00', r0) # ENOENT +syz_genetlink_get_family_id$nl80211(&AUTO='nl80211\x00', r0) + +r1 = syz_init_net_socket$nl_generic(AUTO, AUTO, AUTO) +syz_genetlink_get_family_id$nl80211(&AUTO='nl80211\x00', r1) +syz_genetlink_get_family_id$ieee802154(&AUTO='802.15.4 MAC\x00', r1) + +r2 = socket$inet_udp(AUTO, AUTO, AUTO) +syz_genetlink_get_family_id$nl80211(&AUTO='nl80211\x00', r2) # EINVAL |