Lua PANIC: unprotected error in call to Lua API (stack overflow)
HI, Suricata Team:
Since I need to hash and customize some fields, I tried to use Lua scripts to audit all HTTP traffic.The program will exit automatically after running for a period of time. The screen outputs error message: ' PANIC: unprotected error in call to Lua API (stack overflow). '
My Suricata is deployed on AWS, and the traffic mirror is from Nginx Server, so it is all HTTP traffic, about 1.5Gbps. Can Lua scripts not run in high-traffic environments?
My lua script (demo) code is in the attachment, please correct me my mistake, any help makes sense to me.
CPU: 1 CPU 36 core
Updated by xu hui about 3 years ago
Andreas Herz wrote:
Just a side note, lua is quite expensive but good hardware should still deal with it at 1.5gbit/s rate.
Thank you for your reply! In my tests, this script works fine when specifying a URL.If no filter is specified, it will trigger this exception.
This is the detailed configuration of my hardware.
$ lscpu Architecture: x86_64 CPU op-mode(s): 32-bit, 64-bit Byte Order: Little Endian CPU(s): 36 On-line CPU(s) list: 0-35 Thread(s) per core: 2 Core(s) per socket: 9 Socket(s): 2 NUMA node(s): 2 Vendor ID: GenuineIntel CPU family: 6 Model: 63 Model name: Intel(R) Xeon(R) CPU E5-2666 v3 @ 2.90GHz Stepping: 2 CPU MHz: 2658.363 CPU max MHz: 3500.0000 CPU min MHz: 1200.0000 BogoMIPS: 5800.17 Hypervisor vendor: Xen Virtualization type: full L1d cache: 32K L1i cache: 32K L2 cache: 256K L3 cache: 25600K NUMA node0 CPU(s): 0-8,18-26 NUMA node1 CPU(s): 9-17,27-35 Flags: fpu vme de pse tsc msr pae mce cx8 apic sep mtrr pge mca cmov pat pse36 clflush mmx fxsr sse sse2 ht syscall nx pdpe1gb rdtscp lm constant_tsc rep_good nopl xtopology nonstop_tsc cpuid aperfmperf pni pclmulqdq monitor est ssse3 fma cx16 pcid sse4_1 sse4_2 x2apic movbe popcnt tsc_deadline_timer aes xsave avx f16c rdrand hypervisor lahf_lm abm cpuid_fault invpcid_single pti fsgsbase bmi1 avx2 smep bmi2 erms invpcid xsaveopt ida
top - 06:02:09 up 9 days, 21:58, 2 users, load average: 2.45, 2.04, 1.79 Tasks: 424 total, 1 running, 214 sleeping, 0 stopped, 0 zombie %Cpu(s): 4.5 us, 0.1 sy, 0.0 ni, 95.2 id, 0.1 wa, 0.0 hi, 0.1 si, 0.0 st KiB Mem : 61818916 total, 13097800 free, 34276372 used, 14444744 buff/cache KiB Swap: 0 total, 0 free, 0 used. 34206288 avail Mem
Updated by Andreas Herz 10 months ago
- Status changed from New to Closed
Hi, we're closing this issue since there have been no further responses.
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