Updated all cases where flow_config.prealloc was used in a division.
*** CID 1524506: Integer handling issues (DIVIDE_BY_ZERO)
/src/flow-manager.c: 858 in FlowManager()
852 "flow_spare_q status: %" PRIu32 "%% flows at the queue",
853 spare_pool_len, flow_config.prealloc,
854 spare_pool_len * 100 / flow_config.prealloc);
855
856 /* only if we have pruned this "emergency_recovery" percentage
857 * of flows, we will unset the emergency bit */
>>> CID 1524506: Integer handling issues (DIVIDE_BY_ZERO)
>>> In expression "spare_pool_len * 100U / flow_config.prealloc", division by expression "flow_config.prealloc" which may be zero has undefined behavior.
858 if (spare_pool_len * 100 / flow_config.prealloc > flow_config.emergency_recovery) {
859 emerg_over_cnt++;
860 } else {
861 emerg_over_cnt = 0;
862 }
Related to
Bug #5919
libbpf 0.8 deprecates bpf_get_link_xpd_id, and 1.0 removes it. Add
./configure check to see if this method is available and use it if so,
otherwise use the deprecated method which is not available on older
but still supported Linux distributions.
Ticket: #5924
If urilen induced depth was set, later DetectContentPropagateLimits()
would apply a wrong depth setting, leading to a false negative in
some cases.
Bug: #5929.
In pass/drop combinations where the pass rule took precendence over
the drop, a "drop" false positive could still be logged due to the
storing of the drop record in the packet drop alert store.
Bug: #5867.
The rule lang allows for within and distance to act as depth/offset,
but internally this was not handle the same way. This patch converts
within/distance w/o a prior pattern to depth/within.
Instead of a shared mpm context for just "file.data" or "file.magic"
use per alproto mpms. This way http file.data rules won't affect smb
file.data performance.
Ticket: #4378.
Currently the default suricata.yaml sets some values that do not
reflect the default values in the code. As most users are probably
using a default suricata.yaml, make the code have the same defaults as
in suricata.yaml:
- mime.decode-mime: false -> true
- mime.decode-base64: false -> true
- mime.decode-quoted-printable: false -> true
- mime.extract-urls: false -> true
Issue: #5823
Wrap the enabling of busy poll in a compile time conditional checking
for the required defines to be set. While we have runtime support for
kernels less than 5.11, we also need a compile time check as the headers
may be old as well.
Issue: 5855
The latest Rust will automatically "fix" derivable default
implementation, which is nice, but makes changes that don't meet our
current MSRV, so allow derivable impls for now.
In a case of the line buffer being over 255 bytes, the consumed bytes
would reset to 0 as it was uint8_t. Fix this integer overflow by setting
the type to uint32_t.
Redmine ticket: 5883
Adds a new field, "suricata-version" to the configuration file with
the major and minor version of the Suricata that generated the
configuration file.
This may be useful in the future for presenting warnings about
important changes, or even providing different defaults based on what
the user might expect.
Ticket: 5822
Issue: 5818
This commit changes the datatype of the tracking value for the last time
stats were dumped.
Changing the type also eliminates a comparison between values with
different signs.
Issue: 5818
This commit adds an initializer for the SCTime_t type and a comparison
macro for "not equal".
Use them as follows:
SCTime_t my_var = SCTIME_INITIALIZER;
if (SCTIME_CMP_NEQ(sctime1_val, sctime2_val)) {
}