swf: prevents overflow with bad config value #6359

Job	Run time
Prepare cbindgen	41s
Prepare dependencies / Prepare dependencies	36s
Ubuntu 24.04 (RUSTC+CARGO vars)	9m 51s
Ubuntu 24.04 (cocci)	23m 5s
AlmaLinux 9 (no jansson)	1m 39s
MacOS Latest	7m 9s
Debian 12 (xdp)	24m 57s
Debian 13 (xdp)	23m 1s
Windows MSYS2 MINGW64 (WinDivert)	12m 48s
Debian 12 Dist Builder	8m 33s
Windows MSYS2 MINGW64 (libpcap)	19m 30s
Windows MSYS2 MINGW64 (NPcap)	16m 14s
AlmaLinux 9	11m 37s
AlmaLinux 8	5m 23s
Fedora 41 (clang, debug, asan, wshadow, rust-strict, systemd)	15m 22s
AlmaLinux 10 (non-bundled libhtp)	3m 27s
AlmaLinux 9 Test Templates	4m 58s
Fedora 41 (Suricata Verify codecov)	6m 38s
AlmaLinux 9 (Minimal/Recommended Build)	3m 32s
Ubuntu 22.04 (Netmap build)	3m 51s
Ubuntu 22.04 (fuzz corpus coverage)	18m 23s
Fedora (non-root, debug, clang, asan, wshadow, rust-strict)	6m 46s
Ubuntu 22.04 (Minimal/Recommended Build)	2m 55s
Ubuntu 20.04 (-DNDEBUG)	10m 0s
Ubuntu 22.04 (Fuzz)	5m 14s
Ubuntu 22.04 (Debug Validation)	11m 41s
Debian 12 MSRV	22m 14s
Ubuntu 22.04 (DPDK Build) (23.11.5)	9m 26s
Debian 11	7m 55s
Ubuntu 22.04 (DPDK Build) (20.11.10)	10m 30s
Fedora 42 (gcc, debug, flto, asan, wshadow, rust-strict)	13m 28s
Ubuntu 22.04 (DPDK Build) (24.11.3)	12m 13s
Ubuntu 22.04 (DPDK Build) (22.11.10)	10m 15s
Ubuntu 22.04 (DPDK Build) (21.11.9)	11m 31s
Ubuntu 22.04 (unittests coverage)	10m 26s
Ubuntu 22.04 (DPDK Build) (19.11.14)	9m 0s
CentOS Stream 9	8m 49s
Ubuntu 20.04 (unsupported rust)	1m 11s
	6h 24m 49s

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