GithubCopilotX commented on issue #11019:
URL: https://github.com/apache/apisix/issues/11019#issuecomment-1987666469
This memory corruption causes nginx crash and can reproduce under
"--with-no-pool-patch" build by running t/048-match-dfa.t TEST 9. The error
only happens when there is consecutive regex calls and first call is
traditional mode with captures and second call is DFA mode. Check the details
in the test.
test log:
ok 1 - t/048-match-dfa.t TEST 9: multiple match calls with captures and DFA.
- status code ok
ok 2 - t/048-match-dfa.t TEST 9: multiple match calls with captures and DFA.
- response_body - response is expected (repeated req 0, req 0)
t/048-match-dfa.t TEST 9: multiple match calls with captures and DFA. -
Can't connect to 127.0.0.1:1984: Connection refused
Retry connecting after 0.675 sec
t/048-match-dfa.t TEST 9: multiple match calls with captures and DFA. -
Can't connect to 127.0.0.1:1984: Connection refused
Retry connecting after 0.825 sec
error.log
[notice] 1683757#0: using the "epoll" event method [notice] 1683757#0:
openresty/1.25.3.1 (no pool)
[notice] 1683757#0: built by gcc 13.2.1 20231011 (Red Hat 13.2.1-4) (GCC)
[notice] 1683757#0: OS: Linux 6.7.4-100.fc38.x86_64
[notice] 1683757#0: getrlimit(RLIMIT_NOFILE): 1024:524288
free(): invalid next size (fast)
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