SIGSEGV at startup when a rewrite_tag filter has no Match #6991
Description
Bug Report
Describe the bug
fluentbit pod start fail with below error k8s 1.23 and fluentbit v1.9.9
[2023/03/10 13:05:21] [engine] caught signal (SIGSEGV)
[2023/03/10 13:05:21] [ warn] [filter:kubernetes:kubernetes.0] invalid pattern for given tag application.bdl.log
#0 0x55962368cb2a in cb_rewrite_tag_filter() at plugins/filter_rewrite_tag/rewrite_tag.c:412
#1 0x559623563896 in flb_filter_do() at src/flb_filter.c:124
#2 0x55962359fe7c in input_chunk_append_raw() at src/flb_input_chunk.c:1585
#3 0x5596235a01b6 in flb_input_chunk_append_raw2() at src/flb_input_chunk.c:1707
#4 0x5596235ca9b0 in process_content() at plugins/in_tail/tail_file.c:536
#5 0x5596235ccd72 in flb_tail_file_chunk() at plugins/in_tail/tail_file.c:1326
#6 0x5596235c47d3 in in_tail_collect_static() at plugins/in_tail/tail.c:188
#7 0x559623563379 in flb_input_collector_fd() at src/flb_input.c:1239
#8 0x55962357744b in flb_engine_handle_event() at src/flb_engine.c:440
#9 0x55962357744b in flb_engine_start() at src/flb_engine.c:763
#10 0x559623556994 in flb_lib_worker() at src/flb_lib.c:626
#11 0x7f8ec570aea6 in ???() at ???:0
#12 0x7f8ec4fdaaee in ???() at ???:0
#13 0xffffffffffffffff in ???() at ???:0
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To Reproduce
- Rubular link if applicable:
- Example log message if applicable:
{"log":"YOUR LOG MESSAGE HERE","stream":"stdout","time":"2018-06-11T14:37:30.681701731Z"}
- Steps to reproduce the problem:
Expected behavior
Screenshots
Your Environment
- Version used: 1.9.9
- Configuration:
- Environment name and version (e.g. Kubernetes? What version?):
- Server type and version:
- Operating System and version:
- Filters and plugins:
Additional context